The Critical Edge Podcast

These clinical sources investigate modern management strategies and risk assessment tools in emergency general surgery, with a specific focus on infected necrotizing pancreatitis. Research from the POINTER trial indicates that delaying invasive drainage in favor of initial antibiotic therapy is safe and results in fewer total interventions without increasing long-term mortality or complications. Beyond pancreatitis, the texts examine how procedure risk often outweighs patient frailty when predicting outcomes for elderly surgical patients. Additionally, the studies assess wound closure techniques in colorectal procedures, suggesting that complete skin closure may be a superior option for reducing certain risks. Collectively, these findings advocate for multidisciplinary care, risk-stratified decision-making, and more conservative surgical timing to improve patient survival and recovery.         DISCLAIMER   The Critical Edge is for educational and informational purposes only and is not intended to diagnose, treat, cure, or prevent any disease, nor does it substitute for professional medical advice, diagnosis, or treatment from a qualified healthcare provider—always seek in-person evaluation and care from your physician or trauma team for any health concerns.       DELAYED INTERVENTION FOR INFECTED PANCREATIC NECROSIS, PROCEDURE RISK VERSUS FRAILTY, AND SKIN CLOSURE AFTER EMERGENT COLORECTAL SURGERY STUDY GUIDE TOP TEN TAKEAWAYS 1. POINTER (n = 104) found no reduction in complications or death when infected necrotizing pancreatitis was drained within 24 hours of diagnosis versus waiting for walled-off necrosis: Comprehensive Complication Index 57 versus 58; mortality 13% versus 10%. 2. Immediate drainage produced more procedures (mean 4.4 versus 2.6). In the postponed arm, 39% never needed an invasive intervention—antibiotics alone sufficed. 3. Long-term POINTER follow-up (median 51 months; 88 survivors re-evaluated) showed no late excess of death or major complications (15% immediate versus 17% postponed). Cumulative interventions remained higher after immediate drainage (median 4 versus 1). 4. Of 15 postponed patients who avoided any intervention in the first six months, 93% still needed none at four years. Pancreatic function and quality of life were indistinguishable. 5. Immediate source control remains mandatory if the patient deteriorates on antibiotics, resuscitation, and nutrition. POINTER does not license neglect; it licenses patience in a stable infected collection. 6. In 59,633 NSQIP patients older than 65 years undergoing emergency general surgery, both frailty (modified 5-item frailty index) and procedure risk predicted death, complications, failure to rescue, and readmission—but procedure risk moved the needle farther. 7. High-risk EGS operations (open cholecystectomy, colectomy, small-bowel resection, perforated-ulcer repair, adhesiolysis, laparotomy) produced an approximately eight-fold increase in 30-day mortality versus low-risk operations (laparoscopic or open appendectomy, laparoscopic cholecystectomy); severe frailty produced an approximately three-fold increase. 8. Non-frail patients still died at 7.1% after high-risk emergency procedures versus 0.2% after low-risk ones. Frailty assessment without naming the operation is an incomplete risk conversation. 9. In 557 urgent or emergent nontrauma colorectal operations across 15 EAST centers, complete skin closure had the lowest crude SSI (13.7%) and was not independently associated with deep-space infection. 10. After risk adjustment, loosely closed skin independently increased superficial SSI (OR 3.44); skin left open independently increased in-hospital mortality (OR 3.00). NPWT and delayed primary closure were not independent drivers of SSI, length of stay, reoperation, or readmission.   STUDY GUIDE I. Infected Necrotizing Pancreatitis: Immediate Drainage Is Not Superior Open necrosectomy has given way to a step-up sequence: antibiotics, percutaneous or endoscopic drainage, and necrosectomy only as required. The remaining timing question was whether proven or highly suspected infection itself should trigger drainage within 24 hours or whether the collection should be allowed to wall off. POINTER answered that question in an RCT and then followed the same patients for four years. A. POINTER primary trial   One hundred four patients at 22 centers were randomized to catheter drainage within 24 hours of the diagnosis of infected necrosis versus postponed drainage until walled-off necrosis (or earlier if the patient deteriorated). The primary endpoint, mean Comprehensive Complication Index, was 57 versus 58 (mean difference −1; 95% CI −12 to 10). Mortality was 13% versus 10% (RR 1.25; 95% CI 0.42–3.68). Mean number of drainage or necrosectomy procedures was 4.4 versus 2.6. Nineteen of 49 postponed patients (39%) were managed with antibiotics alone; 17 of those 19 survived. Adverse-event rates were similar. B. Long-term POINTER   Eighty-eight of the original 104 patients were re-evaluated at a median of 51 months. New death or major complication after the first six months occurred in 15% of the immediate arm and 17% of the postponed arm (RR 0.87; 95% CI 0.33–2.28). Additional drainage after six months was uncommon in both groups. Across the entire observation period the median intervention count remained 4 versus 1 (p = 0.001). Fourteen of 15 postponed patients who had required no procedure in the first six months still required none. Endocrine and exocrine function and quality-of-life scores did not differ. C. How to use the result   Postponed drainage is the default for the infected but hemodynamically and metabolically stable patient. Deterioration on maximal medical therapy is an exit ramp to immediate drainage. Endoscopic versus surgical route was not randomized and was unbalanced; center experience with both platforms is therefore part of the protocol, not an afterthought. The trial is modestly powered and spread across many sites—safety of the delayed strategy is supported, formal statistical non-inferiority is not ironclad. These patients belong at a pancreatitis center that can intervene the same day if the clinical trajectory breaks.   II. Frailty Versus Procedure Risk in Elderly Emergency General Surgery Frailty indices have entered every preoperative conversation. Zakhary and colleagues tested whether that conversation is complete if it ignores what operation is actually being proposed. They used NSQIP 2018–2020, patients older than 65 years undergoing EGS, the modified 5-item frailty index (0 = non-frail, 1–2 = frail, ≥3 = severely frail), and a binary procedure-risk split. A. Risk categories   Low-risk: laparoscopic appendectomy, open appendectomy, laparoscopic cholecystectomy.   High-risk: open cholecystectomy, open or laparoscopic colectomy, small-bowel resection, perforated-ulcer repair, lysis of adhesions, laparotomy. B. Cohort architecture   59,633 patients: non-frail 29.3%, frail 66.4%, severely frail 4.3%. Low-risk procedures 25,157; high-risk 34,476. Outcomes: 30-day mortality, complications, failure to rescue, 30-day reoperation, unplanned readmission. C. Relative magnitude   Both frailty and procedure risk independently predicted every listed outcome. Stratification by procedure risk produced larger outcome gradients than stratification by frailty alone. High-risk operations were associated with a three- to four-fold increase in reoperation regardless of frailty stratum and with an approximately eight-fold increase in 30-day mortality; severe frailty was associated with an approximately three-fold increase in mortality. Concrete mortalities illustrate the point: non-frail patients died at 0.2% after low-risk procedures and 7.1% after high-risk procedures; severely frail patients died at 4.1% versus 25.8% in the same procedure split. Complication rates followed the same four-fold high-risk versus low-risk pattern inside every frailty band. D. Clinical use   A frailty score without the operation name understates risk for the non-frail patient heading to an emergency colectomy and overstates the incremental risk of frailty for the patient heading to a laparoscopic appendectomy. Consent, resource allocation, and “failure-to-rescue” review should name both variables.   III. Skin Management After Emergent Colorectal Surgery Whether to close contaminated colorectal skin has been taught as dogma more than as data. Feather and the EAST multicenter group enrolled 557 adults undergoing urgent or emergent nontrauma colorectal surgery at 15 centers (2021–2023) and classified wounds as skin closed, skin loosely closed (incomplete approximation allowing packing), or skin open. A. Confounding by indication   Dirty wounds, EBL >500 mL, vasopressors, hypothermia, stomas, ICU admission, and damage-control surgery clustered in the loosely closed and open groups. Left-colon operations predominated. B. Risk-adjusted results   Crude SSI was 18.5% overall and lowest with complete closure (13.7%). After adjustment, loosely closed skin independently predicted superficial SSI (OR 3.439). Closure strategy was not an independent predictor of deep-space infection. Skin left open independently predicted in-hospital mortality (OR 3.003) and was associated with longer stay and fewer discharges home on unadjusted comparison. Fistula, fascial dehiscence, unplanned reoperation, and 30-day readmission did not differ by strategy. C. Adjuncts   Neither negative-pressure wound therapy nor delayed primary closure independently changed SSI, length of stay, reoperation, home discharge, or readmission. They are tools, not automatic solutions. D. Practical rule   Complete skin closure is a reasonable default when fascia is sound and the patient is not in physiologic extremis. Loose closure appears to combine occlusion with inadequate approximation and should be abandoned as a compromise. Open packing remains appropriate for the patient who will return to the operat

The provided sources detail contemporary advancements in emergency trauma care and diagnostic accuracy through multicenter clinical trials. One primary focus is the development of the NECROSIS score, a simplified tool that utilizes bedside clinical markers to identify necrotizing soft tissue infections more effectively than older laboratory-based models. A second study investigates prehospital transport methods for penetrating injuries in urban settings, suggesting that private vehicle transport may be more beneficial for survival than traditional ambulance services due to reduced delays. Together, these articles emphasize early intervention and the importance of prioritizing speed and clinical assessment over complex, time-consuming procedures. By validating clinical risk indices and re-evaluating transport paradigms, the research aims to improve outcomes for patients facing life-threatening surgical emergencies. This collection highlights an evolving trend toward practical, efficient strategies in the management of critical trauma and aggressive infections.       DISCLAIMER   The Critical Edge is for educational and informational purposes only and is not intended to diagnose, treat, cure, or prevent any disease, nor does it substitute for professional medical advice, diagnosis, or treatment from a qualified healthcare provider—always seek in-person evaluation and care from your physician or trauma team for any health concerns.       BEDSIDE NSTI RECOGNITION AND URBAN PENETRATING-TRAUMA TRANSPORT STUDY GUIDE TOP TEN TAKEAWAYS 1. NSTI remains under-diagnosed; among 362 emergency-general-surgery patients evaluated for severe soft-tissue infection across 16 U.S. centers, 297 (82%) ultimately had confirmed NSTI and overall mortality was 12.3%. 2. LRINEC is too slow and too insensitive for the decision that matters—whether to take the patient to the operating room now. In the validation cohort its sensitivity was only 35%. 3. Three independently associated findings constitute the NECROSIS score (one point each): systolic blood pressure ≤120 mm Hg, violaceous skin discoloration, and WBC ≥15 × 10³/μL. 4. A NECROSIS score of 1 captured most cases (sensitivity 92%); a score of 3 was 100% specific in this derivation–validation sample. Discrimination was modest but stable (AUC / c-statistic 0.75) and identical in derivation and validation sets. 5. Because the three variables are available at the bedside, NECROSIS is intended to shorten the interval from first examination to source-control incision, not to replace operative exploration when clinical suspicion is already high. 6. For urban penetrating torso or proximal-extremity trauma, private-vehicle transport (PVT) was not associated with higher in-hospital mortality, longer stay, or more complications than EMS transport after propensity matching. 7. Advanced life support (ALS) transport had higher emergency-department mortality than PVT (3.9% vs 1.9%), consistent with the hypothesis that scene procedures delay definitive hemorrhage control. 8. Logistic models in the parent EAST analysis suggested lower odds of death with PVT versus basic life support; the post-hoc paper treats that signal as supportive rather than definitive. 9. The matched PVT cohort was predominantly young, male, Black, and injured by gunshot—the demographic in which “scoop and run” has the most prior observational support. 10. Extending Stop the Bleed from hemorrhage control to bystander transport is operationally attractive in dense urban grids but requires destination control so that the car arrives at a trauma center, not the nearest emergency department.   STUDY GUIDE I. The NECROSIS Score: A Bedside Index for Suspected Necrotizing Soft-Tissue Infection Time to operative source control dominates NSTI survival. Existing laboratory-heavy scores, principally LRINEC, require tests that are not always back before the decision to operate and have repeatedly shown poor sensitivity in prospective series. Kim and the EAST multicenter group therefore derived a three-item clinical index in the population that actually presents to the emergency-general-surgery service: adults being evaluated for severe skin and soft-tissue infection. A. Cohort and gold standard   Sixteen U.S. centers enrolled patients over approximately 30 months. Of 362 evaluated patients, 297 (82%) had confirmed NSTI. Overall mortality was 12.3%. That high pretest probability is important: NECROSIS was built in a enriched EGS population, not in undifferentiated cellulitis in a walk-in clinic. B. Independent predictors and score construction   Multivariable analysis isolated three findings:   - Systolic blood pressure ≤120 mm Hg   - Violaceous skin discoloration   - White-blood-cell count ≥15 × 10³/μL   Each contributes one point (range 0–3). Model calibration was acceptable (Hosmer–Lemeshow p = 0.9). Discrimination, expressed as the c-statistic of the prediction curve, was 0.75. C. Operating characteristics versus LRINEC   In the validation cohort a score ≥1 yielded 92% sensitivity, substantially higher than LRINEC’s 35% in the same patients. A score of 3 was 100% specific. Test characteristics did not degrade between derivation and validation samples. The practical reading is therefore: one point should lower the threshold for immediate surgical exploration; three points make the diagnosis sufficiently certain that delay for additional imaging is difficult to justify. D. What the score does not do   NECROSIS is Level III diagnostic evidence. External validation in lower-prevalence settings (community emergency departments, tropical environments, pediatric patients) has not been published. It does not incorporate microbiology, imaging, or Laboratory Risk Indicator components that some centers still find useful as adjuncts. It also does not replace the surgeon’s judgment when pain out of proportion, crepitus, or rapid progression is already obvious. Its claim is narrower and more useful: when you are still deciding, three data points you already have outperform a delayed composite laboratory score.   II. Private Vehicle versus EMS for Urban Penetrating Trauma Stop the Bleed trained bystanders to pack and tourniquet. The unanswered systems question is whether those same bystanders should then wait for an ambulance or put the patient in a car. Simpson and colleagues performed a post-hoc analysis of an EAST multicenter trial that had already enrolled adults with penetrating torso or proximal-extremity wounds at 25 urban trauma centers (May 2019–May 2020). The analytic sample described in the source review was 1,999 patients; propensity matching produced 778 patients in balanced PVT and EMS groups. A. Matched population   PVT patients were 90.5% male, 71.2% Black, and 68.9% gunshot wounds—the classic urban penetrating cohort in which scene time is the enemy. B. Mortality and secondary outcomes   In-hospital mortality, hospital length of stay, ICU-free days, and complications did not differ between PVT and EMS (BLS or ALS combined). ALS transport, which delivers more prehospital procedures than BLS, had significantly higher emergency-department mortality than PVT (3.9% vs 1.9%, p = 0.03). That ED-death signal is the most clinically important finding: additional airway, vascular-access, and scene-treatment steps appear to trade minutes of hemorrhage for interventions that do not change the anatomy of a torso gunshot wound. C. Interpretation against prior “scoop-and-run” literature   The result is directionally consistent with older Philadelphia and urban-cohort work showing equivalent or better survival with police or private-vehicle arrival. It is also consistent with randomized and observational data that prehospital procedures in penetrating trauma are associated with longer scene times and no outcome benefit. Logistic regression in the parent data set suggested lower mortality odds for PVT versus BLS; the authors treat that as supportive, not as a license to abandon EMS in every geography. D. Implementation limits   PVT only helps if the destination is a verified trauma center. Rural distances, highway crashes, and patients who need a secured airway before movement are outside the inference. Ethical and legal questions—who is responsible if the private vehicle is in a collision, how 911 call-takers should script the advice—are unresolved. Police transport programs already running in several cities are the nearest operational analogue and should be the template if civilian PVT is formalized.   III. How the Two Papers Speak to the Same Clock Both studies are about compressing time to a definitive intervention that only a surgeon can perform. For NSTI that intervention is wide debridement; for torso hemorrhage it is the operating room or hybrid suite. NECROSIS tries to remove laboratory delay from the first decision. PVT tries to remove ambulance-scene delay from the second. Neither paper argues that systems sophistication is worthless; both argue that sophistication applied in the wrong interval—waiting for a complete LRINEC panel, or performing ALS procedures on a bleeding torso wound—costs the minutes the disease process does not give back.   REFERENCES 1. Kim DY, Iavasile A, Kaji AH, Nahmias J, et al. Prospective derivation and validation of a necrotizing soft tissue infections score: An EAST multicenter trial. *J Trauma Acute Care Surg*. 2024;97(6):910-917. doi:10.1097/TA.0000000000004374 2. Simpson JT, Nordham KD, Tatar A, et al. Stop the Bleed—wait for the ambulance or get in the car and drive? A post hoc analysis of an EAST multicenter trial. *Am Surg*. 2025;91(2):233-241. doi:10.1177/00031348241265135

This episode examines innovative therapeutic approaches for treating severe thermal burns, focusing on reducing the need for traditional autografting. One study highlights the safety and efficacy of StrataGraft, a bioengineered skin substitute that successfully promoted wound closure in a majority of adult patients with deep partial-thickness burns. Another research paper compares the outcomes of using autologous skin cell suspensions (ASCS) with different dressing types, specifically evaluating contact layer dressings against poly-lactic acid dressings (PLAD). The findings indicate that utilizing PLAD alongside cell suspensions significantly lowers infection rates, shortens hospital stays, and reduces overall medical costs. Together, these articles suggest that advancing skin substitute technology and optimizing post-surgical dressings can improve clinical recovery while sparing healthy donor skin. This collective research underscores a shift toward biosynthetic solutions that simplify burn management and enhance patient outcomes in real-world medical settings.         DISCLAIMER   The Critical Edge is for educational and informational purposes only and is not intended to diagnose, treat, cure, or prevent any disease, nor does it substitute for professional medical advice, diagnosis, or treatment from a qualified healthcare provider—always seek in-person evaluation and care from your physician or trauma team for any health concerns.       DONOR-SPARING COVERAGE FOR DEEP PARTIAL-THICKNESS AND LARGE BURNS STUDY GUIDE TOP TEN TAKEAWAYS 1. StrataGraft is a bioengineered bilayer construct used as a single application on deep partial-thickness (DPT) burns that still have intact dermal elements, with the explicit goal of avoiding or minimizing autograft harvest. 2. In the StrataCAT expanded-access cohort (n = 52; 3–50% TBSA), 88.5% of patients achieved complete wound closure without additional autografting; only 11% needed partial autograft at incomplete sites. 3. Confirmed closure by week 12 occurred in 63.5% of patients (71.9% of treatment sites); durable closure by week 24 occurred in 55.8% of patients (60.4% of sites). 4. Safety was consistent with ordinary burn-unit morbidity: 88.5% had at least one TEAE (most often mild pruritus); 19.2% had serious TEAEs, none attributed to StrataGraft; four deaths were unrelated. 5. Prior RCTs (STRATA2011, STRATA2016) already showed that most DPT wounds treated with StrataGraft needed no autograft by day 28 and closed at rates comparable to autograft by month 3; StrataCAT extends that experience into a real-world, broader-access population. 6. Autologous skin cell suspension (ASCS) expands a small thin donor harvest at approximately 1:80 and can be used alone or with split-thickness skin graft (STSG) on larger TBSA injuries. 7. The kit’s default contact-layer dressing (CLD) is prone to poor adherence, fluid pooling, and infection; a poly-lactic acid biosynthetic dressing (PLAD) adheres more closely, permits fluid egress, and functions as a temporary epithelial barrier. 8. In a single-center before-after cohort of ≥10% TBSA burns treated with ASCS (± STSG), PLAD versus CLD was associated with shorter length of stay (17 vs 29 days) and fewer postoperative wound infections (approximately 7–9% vs 32–39%). 9. After adjustment for grafted area and TBSA, CLD carried an 8-fold higher odds of postoperative infection; antibiotic days were also substantially shorter with PLAD (0.47 vs 4.39 days). 10. Inflation-adjusted charges per %TBSA trended lower with PLAD ($18,459 vs $25,396); the biologic dressing therefore functions as both a clinical and a resource intervention, not merely a coverage layer.   STUDY GUIDE I. StrataGraft for Deep Partial-Thickness Burns with Intact Dermis Autograft remains the reference standard for definitive closure of deep burns, but donor-site morbidity—pain, infection, hypertrophic scar, and limited harvestable skin in the elderly or the thin-skinned—creates a standing need for donor-sparing alternatives. StrataGraft is a bioengineered, bilayered skin substitute applied as a single, meshed (≤1:1) sheet to DPT wounds that retain dermal elements. Earlier controlled studies (STRATA2011 Phase 1b, n = 30; STRATA2016 Phase 3, n = 71) established that most treated sites required no autograft by day 28 and that three-month closure rates approximated those of autograft, with a TEAE profile typical of burned patients. A. StrataCAT design   StrataCAT (NCT04123548) was a Phase 3b, open-label, single-arm, multicenter expanded-access study intended to maintain product availability after the pivotal trials and to enlarge real-world safety experience. Fifty-two adults with 3% to less than 50% TBSA thermal burns received one application of StrataGraft and were followed for 24 weeks. The primary endpoint was the count and percentage of patients with treatment-emergent adverse events. Efficacy endpoints (confirmed and durable wound closure, need for rescue autograft, scar scores) were descriptive; the study was neither designed nor powered as a comparative efficacy trial. B. Safety   At least one TEAE occurred in 88.5% of patients; mild pruritus was the most frequent. Twenty serious TEAEs occurred in 10 patients (19.2%); none were judged related to StrataGraft. Four deaths (7.7%)—aspiration, myocardial infarction, self-injury, and Gram-negative rod sepsis—were unrelated. The safety signal therefore remains that of the underlying burn injury and its comorbidities, not of the construct itself. C. Closure and donor-site sparing   Complete wound closure without additional autograft was achieved in 88.5% of patients. Confirmed closure by week 12: 33 patients (63.5%; 95% CI 50.4–76.5%) and 69 treatment sites (71.9%). Durable closure by week 24: 29 patients (55.8%; 95% CI 42.3–69.3%) and 58 sites (60.4%). Six patients (11%) required partial autograft for incomplete sites. Patient- and observer-reported scar scores were stable through follow-up. D. Limitations that constrain interpretation   No concurrent comparator arm; sample insufficiently diverse by race and Fitzpatrick type to support scar-outcome claims by skin type; COVID-era restrictions limited in-person observer scoring. The authors correctly frame the result as a favorable benefit-to-risk balance and donor-site sparing in adults with DPT burns that retain dermal elements, not as a license for use on full-thickness wounds or massive TBSA injuries until larger comparative data exist.   II. Dressing Choice Over Autologous Skin Cell Suspension in Larger Burns ASCS is a point-of-care device that converts a small, thin donor harvest into a sprayable cell suspension with roughly 1:80 expansion. It is used either as sole coverage or in combination with widely meshed STSG. The manufacturer-supplied contact-layer dressing is the historical default cover. PLAD is a biosynthetic sheet designed to mimic epithelium: it adheres tightly, is microporous enough to prevent exudate pooling, and presents a barrier to exogenous contamination. Larson and colleagues asked whether swapping CLD for PLAD changed infection, length of stay, and cost in burns ≥10% TBSA. A. Cohort and practice change   Single-center retrospective cohort, January 2019–October 2022. All patients with ≥10% TBSA burns who underwent excision and ASCS were included. From 2019 through 2021 the cover was CLD; thereafter it was PLAD. Use of concomitant STSG was at surgeon discretion and did not differ significantly between eras (89% CLD vs 79% PLAD). Seventy-one patients were analyzed (28 CLD, 43 PLAD); mean TBSA 22.5%; mean grafted area approximately 3,641 cm² and comparable between groups. B. Length of stay   Overall mean LOS was 22 days. CLD patients stayed 29 days versus 17 days with PLAD (p = 0.0079). Univariate predictors of LOS included dressing type, use of STSG, total area grafted, age, comorbidity, and %TBSA. In multivariate analysis, PLAD remained independently associated with shorter stay. C. Infection and antibiotic exposure   Postoperative wound infection was substantially more common under CLD (user-reported 39% vs 9%, p = 0.006; corresponding abstract figures 32% vs 7%, p = 0.009). After adjustment for grafted area and TBSA, the odds of infection were 8.1 times higher with CLD (p = 0.015). Mean antibiotic days were 4.39 versus 0.47 (p = 0.0074). Univariate predictors of infection were dressing group, grafted area, and %TBSA; multivariate analysis again isolated PLAD as protective. D. Resource use   Absolute mean charges were higher in the CLD era ($737,839 vs $494,447) but not statistically significant. Inflation-adjusted charges per %TBSA trended lower with PLAD ($18,459 vs $25,396, p = 0.062). The authors attribute the clinical differences to PLAD’s closer wound-bed contact, barrier function, and fluid-egress properties—features the contact layer lacks. E. Practical caveats   This is a before-after, single-center, non-randomized comparison. Era effects (improved excision technique, infection-control practice, or case-mix drift) cannot be fully excluded. Concomitant STSG use was common in both groups, so the result should be read as “PLAD over ASCS ± STSG,” not as a pure ASCS-versus-graft trial. Even so, the magnitude of the infection and LOS differences is large enough that many burn units have already changed default coverage over cell-suspension applications.   III. How the Two Technologies Fit Together StrataGraft and ASCS-plus-PLAD address overlapping but not identical problems. StrataGraft is a manufactured bilayer intended for DPT wounds that still have a dermal scaffold; its value is elimination of a donor site on that wound. ASCS is a point-of-care expansion tool for larger or mixed-depth injuries where some autograft is still required or where widely meshed STSG needs an epidermal “spray.” PLAD is not a substitute for either construct; it is the cover that appears to determine whether the sprayed cells stay in place and remain uninfected. For the pr

These academic articles investigate recent advancements in surgical wound care and the pharmacological management of severe infections during emergency procedures. The first study demonstrates that utilizing triclosan-coated barbed sutures significantly reduces the risk of fascial dehiscence following emergency abdominal surgeries compared to standard materials. A second multi-center trial examines skin closure techniques in urgent colorectal surgery, concluding that primary closure is a safe option that may lower mortality and shorten hospital stays. Finally, research into necrotizing soft tissue infections suggests that linezolid is a safe and effective alternative to the traditional combination of clindamycin and vancomycin. Collectively, these sources provide evidence-based strategies to improve clinical outcomes and decrease post-operative complications in high-risk surgical patients.         DISCLAIMER   The Critical Edge is for educational and informational purposes only and is not intended to diagnose, treat, cure, or prevent any disease, nor does it substitute for professional medical advice, diagnosis, or treatment from a qualified healthcare provider—always seek in-person evaluation and care from your physician or trauma team for any health concerns.         EMERGENCY LAPAROTOMY CLOSURE AND NSTI ANTIMICROBIAL STRATEGY STUDY GUIDE 1. Barbed fascia first: In emergency laparotomy, running triclosan-coated no. 1 barbed suture was associated with lower fascial dehiscence than running no. 1 triclosan-coated PDS (4% vs 14%; multivariable OR 0.07–0.25 depending on model). 2. STITCH still applies: Small-bite technique with a suture-to-wound length ratio of 4:1 remains the foundational closure principle; suture material is an incremental variable on top of that standard. 3. Infection signal is weaker: SSI rates trended lower with barbed suture (11% vs 21%, p = 0.07) but did not reach significance; evisceration and systemic complications were similar. 4. Damage control is the dominant risk: Delayed fascial closure after damage-control laparotomy independently increased dehiscence risk (OR ≈ 3.1) even when barbed suture was used. 5. Skin can be closed in dirty colorectal cases: In a 15-center EAST cohort of emergent nontrauma colorectal operations, complete skin closure had the lowest crude SSI (13.7%) and was not independently associated with deep-space infection. 6. Loosely closed skin is not a free lunch: Incomplete (“loosely closed”) skin closure independently increased superficial SSI (adjusted OR 3.44) compared with complete closure. 7. Open skin tracks with sicker patients and worse logistics: Skin-left-open patients had longer length of stay, lower rates of discharge home, and higher crude in-hospital mortality; after risk adjustment, open skin remained associated with mortality (OR 3.00). 8. NPWT and delayed primary closure were not independent drivers: Negative-pressure devices and delayed primary closure did not independently change SSI, fistula, dehiscence, reoperation, or 30-day readmission in the EAST analysis. 9. Linezolid is a reasonable toxin-suppression substitute: In a matched quasi-experimental NSTI cohort, linezolid plus standard gram-negative/anaerobic coverage produced 30-day mortality similar to vancomycin plus clindamycin (6.5% vs 8.1%). 10. Renal and stewardship advantages: Acute kidney injury was more common with vancomycin–clindamycin (9.7% vs 1.6%); linezolid also allows earlier oral step-down and avoids rising clindamycin resistance among streptococci.   STUDY GUIDE I. Fascial Closure After Emergency Laparotomy: Barbed Versus Conventional Absorbable Suture The STITCH trial established that small fascial bites and a 4:1 suture-to-wound length ratio reduce dehiscence in both elective and emergency laparotomy. Dilday and colleagues asked whether the *type* of running, triclosan-coated suture further modifies that risk. A. Study design and population   Prospective observational cohort from LAC+USC and the Medical College of Wisconsin. Two hundred six patients meeting emergency-laparotomy inclusion criteria were analyzed; median BMI exceeded 28. Trauma accounted for approximately 73% of cases; damage-control laparotomy occurred in 27%. Thirty-five percent of fascial closures used no. 1 triclosan-coated barbed suture; 65% used no. 1 triclosan-coated PDS, both in running fashion. Technique (bite size, ratio) was not mandated, reflecting real-world practice. The barbed-suture group contained more colorectal injuries and all of the staged/damage-control closures among the emergency-general-surgery subset. B. Primary and secondary outcomes   Overall SSI was 18% and overall fascial dehiscence 10%. Fascial dehiscence occurred in 4% of barbed closures versus 14% of PDS closures (p < 0.05). SSI events trended lower with barbed suture (11% vs 21%, p = 0.07). Evisceration, superficial versus deep SSI, and systemic complications did not differ. Subgroup analysis by trauma versus nontrauma indication showed the same directional findings. C. Multivariable interpretation   After adjustment, triclosan-coated barbed suture independently reduced the odds of dehiscence (published models range from OR 0.07 to OR 0.25). Damage-control strategy independently increased dehiscence (OR 3.1–3.13). The authors emphasize that dehiscence was diagnosed clinically rather than by routine CT, so subclinical events may have been undercounted. Delayed incisional hernia was not assessed. D. Practical caveats for the trauma and acute-care surgeon   The study is pragmatic and Level III. Residual confounding by unmeasured closure technique is possible. Nonetheless, the signal is consistent enough that many high-volume centers now default to running triclosan-coated barbed suture for emergency midline fascia, especially when the abdomen has been left open. Cost, surgeon familiarity, and availability remain local variables. II. Skin Management After Emergent Colorectal Surgery Surgical-site infection remains the most common hospital-acquired infection after colorectal operations and drives billions of dollars in cost. Traditional teaching favors leaving dirty or contaminated skin open. Feather and the EAST multi-institutional trials group tested whether that dogma still holds when modern risk adjustment is applied. A. Cohort construction   Fifteen centers enrolled 557 adults undergoing urgent or emergent colorectal surgery between March 2021 and March 2023. Trauma, pregnancy, incarceration, and age <18 years were excluded. Wounds were classified as skin closed (SC), skin loosely closed (SLC; incomplete approximation allowing packing or drainage), or skin open (SO). Left-colon procedures predominated (59%). Dirty/infected wounds, EBL >500 mL, vasopressors, hypothermia, stoma creation, ICU admission, and damage-control surgery were all more common in the SLC and SO groups—exactly the patients surgeons historically leave open. B. Unadjusted and risk-adjusted results   Crude SSI was 18.5% overall: 13.7% SC, 21.0% SLC, 24.0% SO. After adjustment for demographics, comorbidities, and operative details, SLC independently predicted superficial SSI (OR 3.439). Skin-closure strategy was *not* an independent predictor of deep-space infection. Length of stay was shortest with SC (14.5 days) versus SLC (16.4 days) and SO (21.0 days). In-hospital mortality was 2.7% SC, 4.8% SLC, and 18.1% SO; after adjustment, SO remained associated with death (OR 3.003). Discharge home was less frequent after SO management. Fistula, fascial dehiscence, unplanned reoperation, and 30-day readmission did not differ by skin strategy. C. Negative-pressure and delayed-primary-closure adjuncts   Neither NPWT application nor delayed primary closure independently altered SSI, fistula, deep infection, length of stay, reoperation, or readmission. The data therefore do not support routine “leave it open and vac it” as a default for every dirty colorectal wound. D. Clinical synthesis   Complete skin closure is a viable option even in contaminated emergent colorectal surgery when the fascia is sound and the patient is otherwise resuscitated. Loosely closed skin appears to combine the worst of both worlds—enough occlusion to trap fluid, not enough approximation to protect the wound. Open-skin management should be reserved for the physiologically devastated patient in whom the priority is source control and second-look surgery, not because the wound class itself forbids closure. III. Empiric Toxin Suppression in Necrotizing Soft-Tissue Infection Rising clindamycin resistance among streptococci has forced a re-evaluation of the classic vancomycin-plus-clindamycin backbone used with piperacillin-tazobactam (or equivalent) and immediate operative source control. Linezolid is a protein-synthesis inhibitor that also suppresses exotoxin production and can be given orally. Dorazio and colleagues performed the largest published comparison of the two strategies. A. Quasi-experimental design   Single-center, before-and-after study after an institutional guideline change from piperacillin-tazobactam + vancomycin + clindamycin to piperacillin-tazobactam + linezolid. Two hundred seventy-four patients with an admission code for NSTI or Fournier gangrene were screened; 164 underwent surgery within 24 hours and 62 propensity-matched pairs were analyzed. Primary endpoint was 30-day mortality (in-hospital or after discharge). Secondary endpoints were AKI and *Clostridioides difficile* infection. B. Efficacy and safety results   Thirty-day mortality was 8.06% with vancomycin–clindamycin versus 6.45% with linezolid (HR 1.67, 95% CI 0.32–10.73). CDI rates were 6.45% versus 1.61% (not statistically significant). AKI was more frequent in the vancomycin–clindamycin era (9.68% vs 1.61%; HR 6). A composite of death, AKI, or CDI favored the linezolid period. Linezolid’s oral bioavailability also permitted earlier enteral transition. C. Mechanistic and stewardship rationale   Linezolid reta

These research articles examine the integration of palliative care and goals of care (GOC) discussions within the management of seriously ill trauma patients. One study identifies a significant gap between national guidelines and clinical practice, noting that GOC documentation remains infrequent despite institutional recommendations. Another investigation highlights how palliative care consultations (PCC) and do-not-resuscitate (DNR) orders are associated with older patients and those with traumatic brain injuries, ultimately leading to shorter hospital stays for terminal cases. Additionally, the literature emphasizes the unique challenges of providing supportive care in neurotrauma cases, where uncertain prognoses and family surrogate decision-making are common. Collectively, these sources advocate for system-level interventions and improved communication strategies to better align acute trauma treatment with patient-centered palliative philosophies.         DISCLAIMER The Critical Edge is for educational and informational purposes only and is not intended to diagnose, treat, cure, or prevent any disease, nor does it substitute for professional medical advice, diagnosis, or treatment from a qualified healthcare provider—always seek in-person evaluation and care from your physician or trauma team for any health concerns.       Adherence and Integration of Palliative Care in Trauma Settings This study guide synthesizes current research regarding the implementation of palliative care within Level I trauma centers. It focuses on the adherence to national guidelines, the specific challenges of neurotrauma, and the impact of Do-Not-Resuscitate (DNR) orders on patient outcomes and hospital utilization. National Guidelines and the TQIP Framework The American College of Surgeons Trauma Quality Improvement Program (TQIP) provides a framework for integrating palliative care into trauma services. These guidelines advocate for a "parallel" approach, where palliative care is delivered alongside life-sustaining treatments rather than as a replacement for them. Goals of Care (GOC) Requirements The primary recommendation of the TQIP guidelines is the initiation and documentation of Goals of Care (GOC) discussions within 72 hours of admission for patients identified as having a "serious illness." GOC discussions aim to align medical interventions with the patient's values and preferences. Adherence Reality Research conducted at Level I trauma centers indicates a significant gap between TQIP recommendations and clinical practice: Initial Adherence: Only approximately 18.9% to 19% of seriously ill trauma patients have GOC discussions documented within the recommended 72-hour window. Overall Hospitalization: Throughout the entire duration of a hospital stay, documentation only increases to roughly 25% to 26%. Impact of Policy Changes: Studies show that simply updating institutional guidelines to reflect TQIP recommendations does not significantly improve documentation rates. This suggests that "systems-level interventions"—rather than just policy updates—are required to change clinician behavior. Factors Associated with GOC Completion Certain clinical factors significantly increase the likelihood that a GOC discussion will be documented: Mechanical Ventilation: Patients on ventilators are more than six times more likely to have documented GOC discussions. Multiple Serious Illness Criteria: Patients meeting multiple criteria for serious illness are approximately four times more likely to have documented GOC discussions. Age: Advanced age is a frequent correlate for palliative care engagement. Palliative Care in Neurotrauma Traumatic Brain Injury (TBI) represents a unique challenge for palliative care due to the high levels of mortality, morbidity, and prognostic uncertainty involved. Barriers to Care Integration of palliative care in neurotrauma is often delayed or omitted due to: The "Oncology Stigma": Improper associations between palliative care and terminal cancer or immediate hospice care often lead clinicians to avoid these services in acute trauma settings. Prognostic Uncertainty: The difficulty in determining a clear long-term prognosis early in the ICU course often postpones the creation of a palliative plan. Surrogate Decision-Making: TBI patients are often unable to communicate, requiring families to act as decision-makers without the benefit of prior advance directives. The "Secondary Patient" Concept In neurotrauma, palliative care extends beyond the patient to include the family. Family members often experience guilt regarding treatment decisions, financial concerns, and varying coping mechanisms. Palliative care philosophies address these needs through psychosocial support, often involving social workers and chaplaincy teams to assist with spiritual, cultural, and religious rituals. Clinical Tools for Neurotrauma Pain Assessment: For patients with impaired perception or communication, tools incorporating facial expressions, body movement, and ventilator compliance are used to manage sedation and analgesia. Best Case/Worst Case Framework: A communication tool used by physicians to help families visualize potential outcomes and make informed decisions. Five Goals of Communication: A framework used by critical care teams to ensure effective implementation of the palliative approach. The Role of Palliative Care Consultations (PCC) and DNR Orders Palliative care consultations (PCC) are often utilized for a small subset of the most critically injured patients. Patient Characteristics for PCC Patients most likely to receive a PCC are typically older, Caucasian, and have more severe injury profiles, including: Lower Glasgow Coma Scale (GCS) scores. Lower Revised Trauma Scores. Frequent traumatic brain injuries. Higher rates of ICU admission and mechanical ventilation. Mortality and Outcomes There is a stark contrast in outcomes between patients who receive a PCC and those who do not: Mortality Rates: Research shows mortality rates as high as 90.7% in the PCC group compared to 6% in matched control groups. This indicates that PCC is often reserved for patients with the highest risk of death. DNR Status: Do-Not-Resuscitate orders are significantly more common in patients receiving PCC (71.5%) compared to those who do not (11.1%). Impact on Hospital Utilization The combination of PCC and DNR orders has a measurable impact on hospital resources: Reduced Length of Stay: Patients with in-hospital DNR orders and PCC have significantly shorter Intensive Care Unit Length of Stay (ICULOS) and overall Hospital Length of Stay (HLOS). Time to Discharge: The time from the initial PCC to discharge (often to death or hospice) is significantly shorter for patients with DNR orders. Consequences of No DNR: PCC patients without DNR orders tend to have longer ventilator days, increased time to death, and are less likely to be discharged to hospice. Glossary of Key Terms Advance Care Planning: The process of documenting a patient's preferences for future medical care, often through advance directives. Best Case/Worst Case Framework: A communication tool used to help families understand the range of potential outcomes for a critically ill patient. Comfort Care: A focus on symptom management and quality of life rather than curative or life-prolonging treatments, often measured in cases of inpatient mortality. Do-Not-Resuscitate (DNR): A medical order instructing healthcare providers not to attempt CPR if the patient's breathing or heartbeat stops. Goals of Care (GOC): Discussions between clinicians and patients (or surrogates) to establish the primary objectives of medical treatment based on patient values. Injury Severity Score (ISS): A medical score used to assess the extent of trauma in a patient. Level I Trauma Center: A comprehensive regional resource that is a tertiary care facility central to the trauma system, capable of providing total care for every aspect of injury. Palliative Care Consultation (PCC): A formal request for a specialized medical team to assist in managing the symptoms and stress of a serious illness. Propensity Matching: A statistical technique used in retrospective studies to compare patients with similar characteristics (e.g., age, injury severity) to isolate the impact of a specific intervention like PCC. Serious Illness: As defined by the National Trauma Data Bank, a condition meeting specific criteria—such as advanced age with functional dependency, specific comorbidities (CHF, COPD, ESKD), or severe injury—that necessitates GOC discussions. Trauma Quality Improvement Program (TQIP): A program by the American College of Surgeons aimed at improving the quality of care for trauma patients through evidence-based guidelines and benchmarking.