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Introduction: Historically, a zone II hematoma mandated exploration after penetrating trauma, but this has been challenged given potentially higher nephrectomy rates and the advent of therapeutic endovascular and endoscopic interventions. We hypothesized penetrating mechanism was not a predictor for delayed intervention in the modern era., Methods: This single-center, retrospective study included renal trauma patients from 3/2019 to 6/2022. Our institutional practice is selective exploration of zone II hematomas for active bleeding and expanding hematoma only, regardless of mechanism. Descriptive statistics and multivariable logistic regression (MLR) were performed., Results: One-hundred and forty-four patients were identified, with median age 32 years (IQR:23,49), 66% blunt mechanism, and injury severity score 17(IQR:11,26). Forty-three (30%) required operative intervention, and of the 20 that had a zone II exploration, 3 (15%) underwent renorrhaphy and 17 (85%) underwent nephrectomy. Penetrating patients more frequently underwent immediate operative intervention (67%vs10%, P < .0001), required nephrectomy (27%vs5%, P = .0003), and were less likely to undergo pre-intervention CT (51%vs96%, P < .0001) compared to blunt patients. Delayed renal interventions were higher in penetrating (33%vs13%, P = .004) with no difference in mortality or length of stay compared to blunt mechanism. Ureteral stent placement and renal embolization were the most common delayed interventions. On MLR, the only independent predictor for delayed intervention was need for initial operative intervention (OR 3.803;95%CI:1.612-8.975, P = .0023). Four (3%) required delayed nephrectomy, of which only one underwent initial operative intervention without zone 2 exploration., Conclusions: The most common delayed interventions after renal trauma were renal embolization and ureteral stent. Penetrating mechanism was not a predictor of delayed renal intervention in a trauma center that manages zone II retroperitoneal hematomas similarly regardless of mechanism., Competing Interests: Declaration of Conflicting InterestsThe author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

Background: Need for Trauma Intervention (NFTI) score was proposed to help identify injured trauma patients while minimizing under (UT) and over triage (OT). Using a national database, we aimed to describe UT and OT of NFTI vs standard Cribari method (CM) and hypothesized triage sensitivity remains poor., Methods: The 2021 Trauma Quality Improvement Program (TQIP) database was queried. Demographics, mechanism, verification level, interfacility transfer (IF), and level of activation were collected. Patients were stratified by both NFTI [+ vs -] and CM [Injury severity score (ISS) < 15 vs > 15]. UT was defined as NFTI + or ISS >15 without full trauma activation., Results: 1,030,526 patients were identified in TQIP. 84,969 were UT and 97,262 were OT using NFTI while 94,020 were UT and 108,823 were OT using CM. Sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of NFTI is 49%, 89%, 45%, and 90%, respectively vs 43%, 87%, 39%, and 89% of CM, respectively. Age was higher in the UT group using both scores (52 vs 42, P < .0001 and 54 vs 42, P < .0001, respectively). Using MLR, level 2 and 3 verification, blunt mechanism, female, IF, and older age were associated with UT in both NFTI and CM. Level 1 verification, penetrating mechanism, male, no IF, and younger age were associated with OT., Conclusions: Current prehospital triage criteria have poor sensitivity for identifying severely injured trauma patients by both NFTI and CM. UT increases as age of the patient increases. Further studies are needed to improve triage., Competing Interests: Declaration of Conflicting InterestsThe author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

Background: Despite improving understanding of trauma-induced coagulopathy (TIC), mortality and morbidity due to exsanguinating trauma remain high. Increased complications due to hemorrhage have been reported in blood group O, possibly due to reduced levels of von Willebrand factor (vWF)., Methods: An urban level 1 adult trauma center registry was retrospectively queried. Patients receiving ≥6 units of pRBC within 4 ​h of presentation were included. Patient demographics, admission labs and outcomes were obtained. Univariate and multiple logistic regression analyses were performed., Results: 562 patients were identified. There were no significant differences in demographics, admission labs, or outcome between different ABO groups. After adjustment, Type A patients were more likely to be hypocoagulable compared to Type O patients (p ​= ​0.014). No mortality differences were seen between ABO types in multiple regression analysis., Conclusions: No outcome or mortality differences were seen between ABO types, therefore factors other than vWF expression should be considered to explain coagulopathy in trauma patients., Competing Interests: Declaration of competing interest This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors. The authors have no conflicts of interest to disclose., (Copyright © 2024 Elsevier Inc. All rights reserved.)

Background: Iliac and femoral venous injuries represent a challenging dilemma in trauma surgery with mixed results. Venous restoration of outflow (via repair or bypass) has been previously identified as having higher rates of VTE (venous thromboembolism) compared to ligation. We hypothesized that rates of VTE and eventual amputation were similar whether restoration of venous outflow vs ligation was performed at initial operation., Methods: Patients in the 2019-2021 National Trauma Data Bank with iliac and femoral vein injuries were abstracted and analyzed. The primary outcomes of interest were in-hospital lower extremity amputation and VTE., Results: A total of 2642 patients with operatively managed iliac and femoral vein injuries were identified VTE was found in 10.8% of patients. Multivariable logistic regression was performed and identified bowel injury, higher ISS, older age, open repair, and longer time to VTE prophylaxis initiation as independent predictors of VTE. Amputation was required in 4.2% of patients. Multivariable logistic regression identified arterial or nerve injury, femur or tibia fracture, venous ligation, percutaneous intervention, fasciotomy, bowel injury, and higher ISS as independent factors of amputation., Conclusion: Venous restoration was not an independent predictor of VTE. Venous ligation on index operation was the only modifiable independent predictor of amputation identified on regression analysis., Competing Interests: Declaration of Conflicting InterestsThe author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

Objectives: There is little evidence guiding the management of grade I-II traumatic splenic injuries with contrast blush (CB). We aimed to analyze the failure rate of nonoperative management (NOM) of grade I-II splenic injuries with CB in hemodynamically stable patients., Methods: A multicenter, retrospective cohort study examining all grade I-II splenic injuries with CB was performed at 21 institutions from January 1, 2014, to October 31, 2019. Patients >18 years old with grade I or II splenic injury due to blunt trauma with CB on CT were included. The primary outcome was the failure of NOM requiring angioembolization/operation. We determined the failure rate of NOM for grade I versus grade II splenic injuries. We then performed bivariate comparisons of patients who failed NOM with those who did not., Results: A total of 145 patients were included. Median Injury Severity Score was 17. The combined rate of failure for grade I-II injuries was 20.0%. There was no statistical difference in failure of NOM between grade I and II injuries with CB (18.2% vs 21.1%, p>0.05). Patients who failed NOM had an increased median hospital length of stay (p=0.024) and increased need for blood transfusion (p=0.004) and massive transfusion (p=0.030). Five patients (3.4%) died and 96 (66.2%) were discharged home, with no differences between those who failed and those who did not fail NOM (both p>0.05)., Conclusion: NOM of grade I-II splenic injuries with CB fails in 20% of patients., Level of Evidence: IV., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2024. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)

Percutaneous tracheostomy is a safe and effective bedside procedure. Some advocate the use of bronchoscopy during the procedure to reduce the rate of complications. We evaluated our complication rate in trauma patients undergoing percutaneous tracheostomy with and without bronchoscopic guidance to ascertain if there was a difference in the rate of complications. A retrospective review of all tracheostomies performed in critically ill trauma patients was performed using the trauma registry from an urban, Level I Trauma Center. Bronchoscopy assistance was used based on surgeon preference. Standard statistical methodology was used to determine if there was a difference in complication rates for procedures performed with and without the bronchoscope. From January 2007, to April 2016, 649 patients underwent modified percuteaneous tracheostomy; 289 with the aid of a bronchoscope and 360 without. There were no statistically significant differences in any type of complication regardless of utilization of a bronchoscope. The addition of bronchoscopy provides several theoretical benefits when performing percutaneous tracheostomy. Our findings, however, do not demonstrate a statistically significant difference in complications between procedures performed with and without a bronchoscope. Use of the bronchoscope should, therefore, be left to the discretion of the performing physician.

Background: Vascular surgical patients have a high rate of readmission, and the cost of readmission for these patients has not been described. Herein, we characterize and compare institutional index hospitalization and 30-day readmission cost following open and endovascular vascular procedures., Methods: The American College of Surgeons National Surgical Quality Improvement Program database was used to identify inpatient open and endovascular procedures at a single institution, from January 2011 through June 2012. Variable and fixed costs for index hospitalization and unplanned 30-day readmissions were obtained using SAP BusinessObjects. Patient characteristics and outcome variables were analyzed using Student t tests or Wilcoxon rank-sum nonparametric tests for continuous variables and Fisher exact tests for categorical variables., Results: One thousand twenty-six inpatient procedures were included in the analysis. There were 605 (59%) open and 421 (41%) endovascular procedures with a 30-day unplanned readmission rate of 16.9% and 17.8%, respectively (P = .679). The mean index hospitalization costs for open and endovascular procedures were US$27 653 and US$23 999, respectively (P = .146). The mean costs for 30-day unplanned readmission for open and endovascular procedures were US$19 117 and US$17 887, respectively (P = .635). Among open procedures, the mean cost for patients not readmitted was US$28 321 compared to US$31 115 for those readmitted (P = .003). Among endovascular procedures, the mean cost for patients not readmitted was US$26 908 compared to US$32 262 for those readmitted (P = .028)., Conclusion: The cost of index hospitalization and 30-day unplanned readmission are similar for open and endovascular procedures. Readmitted patients had a higher mean index hospitalization cost irrespective of open or endovascular procedure., (© The Author(s) 2016.)