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Collie BL, Emami S, Lyons NB, Ramsey WA, O'Neil CF, Meizoso JP, Ginzburg E, Pizano LR, Schulman CI, Parker BM, Namias N, Proctor KG. Survival of In-Hospital Cardiopulmonary Arrest in Trauma Patients. J Surg Res 2024; 298:379-384. [PMID: 38669784 DOI: 10.1016/j.jss.2024.03.043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 02/23/2024] [Accepted: 03/22/2024] [Indexed: 04/28/2024]
Abstract
INTRODUCTION Relative to other hospitalized patients, trauma patients are younger with fewer comorbidities, but the incidence and outcomes of in-hospital cardiopulmonary arrest (IHCA) with cardiopulmonary resuscitation (CPR) in this population is unknown. Therefore, we aimed to investigate factors associated with survival in trauma patients after IHCA to test the hypothesis that compared to other hospitalized patients, trauma patients with IHCA have improved survival. METHODS Retrospective review of the Trauma Quality Improvement Program database 2017 to 2019 for patients who had IHCA with CPR. Primary outcome was survival to hospital discharge. Secondary outcomes were in-hospital complications, hospital length of stay, intensive care unit length of stay, and ventilator days. Data were compared with univariate and multivariate analyses at P < 0.05. RESULTS In 22,346,677 admitted trauma patients, 14,056 (0.6%) received CPR. Four thousand three hundred seventy-seven (31.1%) survived to discharge versus 26.4% in a national sample of all hospitalized patients (P < 0.001). In trauma patients, median age was 55 y, the majority were male (72.2%). Mortality was higher for females versus males (70.3% versus 68.3%, P = 0.026). Multivariate regression showed that older age 1.01 (95% confidence interval (CI) 1.01-1.02), Hispanic ethnicity 1.21 (95% CI 1.04-1.40), and penetrating trauma 1.51 (95% CI 1.32-1.72) were risk factors for mortality, while White race was a protective factor 0.36 (95% CI 0.14-0.89). CONCLUSIONS This is the first study to show that the incidence of IHCA with CPR is approximately six in 1000 trauma admissions and 31% survive to hospital discharge, which is higher than other hospitalized patients. Age, gender, racial, and ethnic disparities also influence survival.
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Cobler-Lichter MD, Collie BL, Delamater JM, Shagabayeva L, Lyons NB, Bustillos LT, Namias N, Stallings JD, Gross KR, Buzzelli MD, Gurney J, Proctor KG, Wetstein PJ. A 20-year retrospective analysis of deep venous thrombosis and pulmonary embolism among combat casualties requiring damage control laparotomy at US Military Role 2 surgical units. J Trauma Acute Care Surg 2024:01586154-990000000-00756. [PMID: 38787627 DOI: 10.1097/ta.0000000000004405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2024]
Abstract
BACKGROUND Combat casualties receiving damage control laparotomy at forward deployed, resource-constrained US Military Role 2 surgical units (R2) require multiple evacuations, but the added risk of venous thromboembolism (VTE) in this population has not been defined. To fill this gap, we retrospectively analyzed 20 years of Department of Defense Trauma Registry (DoDTR) data to define the VTE rate in this population. METHODS DoDTR from 2002 to 2023 was queried for US Military combat casualties requiring damage control laparotomy at R2. All deaths were excluded in subsequent analysis. Rates of VTE were assessed, and subgroup analysis was performed on patients requiring massive transfusion. RESULTS DoDTR (n = 288) patients were young (mean age 25 years), predominantly male (98%) with severe (mean ISS 26), mostly penetrating injury (76%), and high mortality. VTE rate was high: 15.8% (DVT: 10.3% and PE 7.1%). In the massively transfused population, the VTE rate was even higher (26.7% vs 10.2%, p < 0.001). CONCLUSIONS This is the first report that combat casualties requiring damage control laparotomy at R2 have such high VTE rates. Therefore, for military casualties, we propose screening ultrasound upon arrival to each subsequent capable echelon of care and low threshold for initiating thromboprophylaxis. LEVEL OF EVIDENCE Prognostic and Epidemiological, Level IV.
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Lyons NB, O'Neil CF, Ramsey WA, Bhogadi S, Hosseinpour H, Collie BL, Ginzburg E, Proctor KG, Namias N, Joseph BA, Meizoso JP. Initial Hemorrhage Control Procedure for Splenic Injuries May Affect Risk of Venous Thromboembolism. J Surg Res 2024; 299:255-262. [PMID: 38781735 DOI: 10.1016/j.jss.2024.04.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 04/17/2024] [Accepted: 04/24/2024] [Indexed: 05/25/2024]
Abstract
INTRODUCTION Venous thromboembolism (VTE) continues to be a major cause of morbidity in trauma. It is unclear whether the type of hemorrhage control procedure (i.e., splenectomy versus angioembolization) is associated with an increased risk of VTE. We hypothesize that hemodynamically stable patients undergoing angioembolization for blunt high-grade splenic injuries have lower rates of VTE compared to those undergoing splenectomy. METHODS The American College of Surgeons Trauma Quality Program dataset from 2017 to 2019 was queried to identify all patients with American Association for the Surgery of Trauma grade 3-5 blunt splenic injuries. Outcomes including VTE rates were compared between those who were managed with splenectomy versus angioembolization. Propensity score matching (1:1) was performed adjusting for age, sex, initial vital signs, Injury Severity Score, and splenic injury grade. RESULTS The analysis included 4698 matched patients (splenectomy [n = 2349] and angioembolization [n = 2349]). The median (interquartile range) age was 41 (27-58) years and 69% were male. Patients were well matched between groups. Angioembolization was associated with significantly lower VTE than splenectomy (2.2% versus 3.4%, P = 0.010) despite less use of VTE chemoprophylaxis (70% versus 80%, P < 0.001), as well as a relative delay in initiation of chemoprophylaxis (44 h versus 33 h, P < 0.001). Hospital and intensive care unit length of stay and mortality were also significantly lower in the angioembolization group. CONCLUSIONS Angioembolization is associated with a significantly lower incidence of VTE than splenectomy. Thus, angioembolization should be considered for initial management of hemodynamically stable patients with high-grade blunt splenic injuries in whom laparotomy is not otherwise indicated.
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Collie BL, Lyons NB, O'Neil CF, Ramsey WA, Lineen EB, Schulman CI, Proctor KG, Meizoso JP, Namias N, Ginzburg E. When is it safe to start thromboprophylaxis after splenic angioembolization? Surgery 2024; 175:1418-1423. [PMID: 38418296 DOI: 10.1016/j.surg.2024.01.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 12/12/2023] [Accepted: 01/02/2024] [Indexed: 03/01/2024]
Abstract
BACKGROUND Thromboprophylaxis after blunt splenic trauma is complicated by the risk of bleeding, but the risk after angioembolization is unknown. We hypothesized that earlier thromboprophylaxis initiation was associated with increased bleeding complications without mitigating venous thromboembolism events. METHODS All blunt trauma patients who underwent splenic angioembolization within 24 hours of arrival were identified from the American College of Surgeons Trauma Quality Improvement Program datasets from 2017 to 2019. Cases with <24-hour length of stay, other serious injuries, and surgery before angioembolization were excluded. Venous thromboembolism was defined as deep vein thrombosis or pulmonary embolism. Bleeding complications were defined as splenic surgery, additional embolization, or blood transfusion after thromboprophylaxis initiation. Data were compared with χ2 analysis and multivariate logistic regression at P < .05. RESULTS In 1,102 patients, 84% had American Association for the Surgery of Trauma grade III to V splenic injuries, and 73% received thromboprophylaxis. Splenic surgery after angioembolization was more common in those with thromboprophylaxis initiation within the first 24 hours (5.7% vs 1.7%, P = .007), whereas those with the initiation of thromboprophylaxis after 72 hours were more likely to have a pulmonary embolism (2.3% vs 0.2%, P = .001). Overall, venous thromboembolism increased considerably when thromboprophylaxis was initiated after day 3. In multivariate analysis, time to thromboprophylaxis initiation was associated with bleeding (odds ratio 0.74 [95% confidence interval 0.58-0.94]) and venous thromboembolism complications (odds ratio 1.5 [95% confidence interval 1.20-1.81]). CONCLUSION This national study evaluates bleeding and thromboembolic risk to elucidate the specific timing of thromboprophylaxis after splenic angioembolization. Initiation of thromboprophylaxis between 24 and 72 hours achieves the safest balance in minimizing bleeding and venous thromboembolism risk, with 48 hours particularly serving as the ideal time for protocolized administration.
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Ramsey WA, Huerta CT, O'Neil CF, Stottlemyre RL, Saberi RA, Gilna GP, Lyons NB, Collie BL, Parker BM, Perez EA, Sola JE, Proctor KG, Namias N, Thorson CM, Meizoso JP. Admission to a Verified Pediatric Trauma Center is Associated With Improved Outcomes in Severely Injured Children. J Pediatr Surg 2024; 59:488-493. [PMID: 37993397 DOI: 10.1016/j.jpedsurg.2023.10.064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 10/17/2023] [Accepted: 10/26/2023] [Indexed: 11/24/2023]
Abstract
BACKGROUND Previous studies have shown improved survival for severely injured adult patients treated at American College of Surgeons verified level I/II trauma centers compared to level III and undesignated centers. However, this relationship has not been well established in pediatric trauma centers (PTCs). We hypothesize that severely injured children will have lower mortality at verified level I/II PTCs compared to centers without PTC verification. METHODS All patients 1-15 years of age with ISS >15 in the 2017-2019 American College of Surgeons Trauma Quality Programs (ACS TQP) dataset were reviewed. Patients with pre-hospital cardiac arrest, burns, and those transferred out for ongoing inpatient care were excluded. Logistic regression models were used to assess the effects of pediatric trauma center verification on mortality. RESULTS 16,301 patients were identified (64 % male, median ISS 21 [17-27]), and 60 % were admitted to verified PTCs. Overall mortality was 6.0 %. Mortality at centers with PTC verification was 5.1 % versus 7.3 % at centers without PTC verification (p < 0.001). After controlling for injury mechanism, sex, age, pediatric-adjusted shock index (SIPA), ISS, arrival via interhospital transfer, and adult trauma center verification, pediatric level I/II trauma center designation was independently associated with decreased mortality (OR 0.72, 95 % CI 0.61-0.85). CONCLUSIONS Treatment at ACS-verified pediatric trauma centers is associated with improved survival in critically injured children. These findings highlight the importance of PTC verification in optimizing outcomes for severely injured pediatric patients and should influence trauma center apportionment and prehospital triage. LEVEL OF EVIDENCE Level IV - Retrospective review of national database.
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Lyons NB, Berg A, Collie BL, Meizoso JP, Sola JE, Thorson CM, Proctor KG, Namias N, Pizano LR, Marttos AC, Sciarretta JD. Management of lower extremity vascular injuries in pediatric trauma patients: 20-year experience at a level 1 trauma center. Trauma Surg Acute Care Open 2024; 9:e001263. [PMID: 38347895 PMCID: PMC10860056 DOI: 10.1136/tsaco-2023-001263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2024] Open
Abstract
Introduction Pediatric lower extremity vascular injuries (LEVI) are rare but can result in significant morbidity. We aimed to describe our experience with these injuries, including associated injury patterns, diagnostic and therapeutic challenges, and outcomes. Methods This was a retrospective review at a single level 1 trauma center from January 2000 to December 2019. Patients less than 18 years of age with LEVI were included. Demographics, injury patterns, clinical status at presentation, and intensive care unit (ICU) and hospital length of stay (LOS) were collected. Surgical data were extracted from patient charts. Results 4,929 pediatric trauma patients presented during the 20-year period, of which 53 patients (1.1%) sustained LEVI. The mean age of patients was 15 years (range 1-17 years), the majority were Black (68%), male (96%), and most injuries were from a gunshot wound (62%). The median Glasgow Coma Scale score was 15, and the median Injury Severity Score was 12. The most commonly injured arteries were the superficial femoral artery (28%) and popliteal artery (28%). Hard signs of vascular injury were observed in 72% of patients and 87% required operative exploration. There were 36 arterial injuries, 36% of which were repaired with a reverse saphenous vein graft and 36% were repaired with polytetrafluoroethylene graft. One patient required amputation. Median ICU LOS was three days and median hospital LOS was 15 days. There were four mortalities. Conclusion Pediatric LEVIs are rare and can result in significant morbidity. Surgical principles for pediatric vascular injuries are similar to those applied to adults, and this subset of patients can be safely managed in a tertiary specialized center. Level of evidence Level IV, retrospective study.
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Ramsey WA, O'Neil CF, Shatz CD, Lyons NB, Cohen BL, Saberi RA, Gilna GP, Meizoso JP, Pizano LR, Schulman CI, Proctor KG, Namias N. Nationwide Analysis of Firearm Injury Versus Other Penetrating Trauma: It's Not All the Same Caliber. J Surg Res 2024; 294:106-111. [PMID: 37866065 DOI: 10.1016/j.jss.2023.09.067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 08/25/2023] [Accepted: 09/24/2023] [Indexed: 10/24/2023]
Abstract
INTRODUCTION Ballistic injuries cause both a temporary and permanent cavitation event, making them far more destructive and complex than other penetrating trauma. We hypothesized that global injury scoring and physiologic parameters would fail to capture the lethality of gunshot wounds (GSW) compared to other penetrating mechanisms. METHODS The 2019 American College of Surgeons Trauma Quality Programs participant use file was queried for the mortality rate for GSW and other penetrating mechanisms. A binomial logistic regression model ascertained the effects of sex, age, hypotension, tachycardia, mechanism, Glasgow Coma Scale, ISS, and volume of blood transfusion on the likelihood of mortality. Subgroup analyses examined isolated injuries by body regions. RESULTS Among 95,458 cases (82% male), GSW comprised 46.4% of penetrating traumas. GSW was associated with longer hospital length of stay (4 [2-9] versus 3 [2-5] days), longer intensive care unit length of stay (3 [2-6] versus 2 [2-4] days), and more ventilator days (2 [1-4] versus 2 [1-3]) compared to stab wounds, all P < 0.001. The model determined that GSW was linked to increased odds of mortality compared to stab wounds (odds ratio 4.19, 95% confidence interval 3.55-4.93). GSW was an independent risk factor for acute kidney injury, acute respiratory distress syndrome, venous thromboembolism, sepsis, and surgical site infection. CONCLUSIONS Injury scoring systems based on anatomical or physiological derangements fail to capture the lethality of GSW compared to other mechanisms of penetrating injury. Adjustments in risk stratification and reporting are necessary to reflect the proportion of GSW seen at each trauma center. Improved classification may help providers develop quality processes of care. This information may also help shape public discourse on this highly lethal mechanism.
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Melmer PD, Taylor R, Vera L, Wong D, Santos AP, Chung T, Sola JR, Castater CA, Nguyen J, Nottingham JM, Berg AF, Sleeman D, Namias N, Daley BJ, Procter L, Aboutanos MB, Davis JM, Koganti D, Sciarretta JD. Optimizing Transitions of Care and Enhancing Surgical Education on Acute Care Surgery: A Multi-Institutional Survey Study. JOURNAL OF SURGICAL EDUCATION 2023; 80:1687-1692. [PMID: 37442698 DOI: 10.1016/j.jsurg.2023.06.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 05/08/2023] [Accepted: 06/17/2023] [Indexed: 07/15/2023]
Abstract
OBJECTIVE Critically ill and injured patients are routinely managed on the Trauma and Acute Care Surgery (ACS) service and receive care from numerous residents during hospital admission. The Clinical Learning Environment Review (CLER) program established by the ACGME identified variability in resident transitions of care (TC) while observing quality care and patient safety concerns. The aim of our multi-institutional study was to review surgical trainees' impressions of a specialty-specific handoff format in order to optimize patient care and enhance surgical education on the ACS service. DESIGN A survey study was conducted with a voluntary electronic 20-item questionnaire that utilized a 5 point Likert scale regarding TC among resident peers, supervised handoffs by trauma attendings, and surgical education. It also allowed for open-ended responses regarding perceived advantages and disadvantages of handoffs. SETTING Ten American College of Surgeons-verified Level 1 adult trauma centers. PARTICIPANTS All general surgery residents and trauma/acute/surgical critical care fellows were surveyed. RESULTS The study task was completed by 147 postgraduate trainees (125 residents, 14 ACS fellows, and 8 surgical critical care fellows) with a response rate of 61%. Institutional responses included: university hospital (67%), community hospital-university affiliate (16%), and private hospital-university affiliate (17%). A majority of respondents were satisfied with morning TC (62.6%) while approximately half were satisfied with evening TC (52.4%). Respondees believe supervised handoffs improved TC and prevented patient care delays (80.9% and 74.8%, respectively). A total of 35% of trainees utilized the open-ended response field to highlight specific best practices of their home institutions. CONCLUSIONS Surgical trainees view ACS morning handoff as an effective standard to provide the highest level of clinical care and an opportunity to enhance surgical knowledge. As TC continue to be a focus of certifying bodies, identifying best practices and opportunities for improvement are critical to optimizing quality patient care and surgical education.
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Berg A, Lyons NB, Badami A, Reynolds J, Pizano L, Pust GD, Meizoso J, Namias N, Yeh DD. Statistical Power of Randomized Controlled Trials in Trauma Surgery. J Am Coll Surg 2023; 237:731-736. [PMID: 37417653 DOI: 10.1097/xcs.0000000000000800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/08/2023]
Abstract
BACKGROUND Our purpose was to conduct a bibliometric study investigating the prevalence of underpowered randomized controlled trials (RCTs) in trauma surgery. STUDY DESIGN A medical librarian conducted a search of RCTs in trauma published from 2000 to 2021. Data extracted included study type, sample size calculation, and power analyses. Post hoc calculations were performed using a power of 80% and an alpha level of 0.05. A CONSORT checklist was then tabulated from each study as well as a fragility index for studies with statistical significance. RESULTS In total 187 RCTs from multiple continents and 60 journals were examined. A total of 133 (71%) were found to have "positive" findings consistent with their hypothesis. When evaluating their methods, 51.3% of articles did not report how they calculated their intended sample size. Of those that did, 25 (27%) did not meet their target enrollment. When examining post hoc power, 46%, 57%, and 65% were adequately powered to detect small, medium, and large effect sizes, respectively. Only 11% of RCTs had complete adherence with CONSORT reporting guidelines and the average CONSORT score was 19 out of 25. For positive superiority trials with binary outcomes, the fragility index median (interquartile range) was 2 (2 to 8). CONCLUSIONS A concerningly large proportion of recently published RCTs in trauma surgery do not report a priori sample size calculations, do not meet enrollment targets, and are not adequately powered to detect even large effect sizes. There exists opportunity for improvement of trauma surgery study design, conduct, and reporting.
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Thompson L, Cohen BL, Wolde T, Yeh DD, Ramsey WA, Byers PM, Namias N, Meizoso JP. Open Versus Laparoscopic Appendectomy: A Post Hoc Analysis of the EAST Appendicitis MUSTANG Study. Surg Infect (Larchmt) 2023; 24:613-618. [PMID: 37646633 DOI: 10.1089/sur.2023.109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023] Open
Abstract
Background: We sought to understand which factors are associated with open appendectomy as final operative approach. We hypothesize that higher American Association for the Surgery of Trauma (AAST) Emergency General Surgery (EGS) grade is associated with open appendectomy. Patients and Methods: Post hoc analysis of the Eastern Association for the Surgery of Trauma (EAST) Multicenter Study of the Treatment of Appendicitis in America: Acute, Perforated and Gangrenous (MUSTANG) prospective appendicitis database was performed. All adults (age >18) undergoing appendectomy were stratified by final operative approach: laparoscopic or open appendectomy (including conversion from laparoscopic). Univariable analysis was performed to compare group characteristics and outcomes, and multivariable logistic regression was performed to identify demographic, clinical, or radiologic factors associated with open appendectomy. Results: A total of 3,019 cases were analyzed. One hundred seventy-five (5.8%) patients underwent open appendectomy, including 127 converted from laparoscopic to open. The median age was 37 (25) years and 53% were male. Compared with the laparoscopic group, open appendectomy patients had more comorbidities, higher proportion of symptoms greater than 96 hours, and higher AAST EGS grade. Moreover, on intraoperative findings, the open appendectomy group had a higher incidence of perforated and gangrenous appendicitis with purulent contamination, abscess/phlegmon, and purulent abdominal/pelvic fluid. On multivariable analysis controlling for comorbidities, clinical and imaging AAST grade, duration of symptoms, and intra-operative findings, only AAST Clinical Grade 5 appendicitis was independently associated with open appendectomy (odds ratio [OR], 5.63; 95% confidence interval [CI], 1.24-25.55; p = 0.025). Conclusions: In the setting of appendicitis, generalized peritonitis (AAST Clinical Grade 5) is independently associated with greater odds of open appendectomy.
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Ross SW, Campion E, Jensen AR, Gray L, Gross T, Namias N, Goodloe JM, Bulger EM, Fischer PE, Fallat ME. Prehospital and emergency department pediatric readiness for injured children: A statement from the American College of Surgeons Committee on Trauma Emergency Medical Services Committee. J Trauma Acute Care Surg 2023; 95:e6-e10. [PMID: 37125944 DOI: 10.1097/ta.0000000000003997] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
ABSTRACT Injury is the leading cause of death in children older than 1 year, and children make up 22% of the population. Pediatric readiness (PR) of the nation's emergency departments and state trauma and emergency medical services (EMS) systems is conceptually important and vital to mitigate mortality and morbidity in this population. The extension of PR to the trauma community has become a focused area for training, staffing, education, and equipment at all levels of trauma center designation, and there is evidence that a higher level of emergency department PR is independently associated with long-term survival among injured children. Although less well studied, there is an associated need for EMS PR, which is relevant to the injured child who needs assessment, treatment, triage, and transport to a trauma center. We outline a blueprint along with recommendations for incorporating PR into trauma system development in this opinion from the EMS Committee of the American College of Surgeons Committee on Trauma. These recommendations are particularly pertinent in the rural and underserved areas of the United States but are directed toward all levels of professionals who care for an injured child along the trauma continuum of care.
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Sperry JL, Cotton BA, Luther JF, Cannon JW, Schreiber MA, Moore EE, Namias N, Minei JP, Wisniewski SR, Guyette FX. Whole Blood Resuscitation and Association with Survival in Injured Patients with an Elevated Probability of Mortality. J Am Coll Surg 2023; 237:206-219. [PMID: 37039365 PMCID: PMC10344433 DOI: 10.1097/xcs.0000000000000708] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 03/13/2023] [Accepted: 03/13/2023] [Indexed: 04/12/2023]
Abstract
BACKGROUND Low-titer group O whole blood (LTOWB) resuscitation is becoming common in both military and civilian settings and may represent the ideal resuscitation intervention. We sought to characterize the safety and efficacy of LTOWB resuscitation relative to blood component resuscitation. STUDY DESIGN A prospective, multicenter, observational cohort study was performed using 7 trauma centers. Injured patients at risk of massive transfusion who required both blood transfusion and hemorrhage control procedures were enrolled. The primary outcome was 4-hour mortality. Secondary outcomes included 24-hour and 28-day mortality, achievement of hemostasis, death from exsanguination, and the incidence of unexpected survivors. RESULTS A total of 1,051 patients in hemorrhagic shock met all enrollment criteria. The cohort was severely injured with >70% of patients requiring massive transfusion. After propensity adjustment, no significant 4-hour mortality difference across LTOWB and component patients was found (relative risk [RR] 0.90, 95% CI 0.59 to 1.39, p = 0.64). Similarly, no adjusted mortality differences were demonstrated at 24 hours or 28 days for the enrolled cohort. When patients with an elevated prehospital probability of mortality were analyzed, LTOWB resuscitation was independently associated with a 48% lower risk of 4-hour mortality (relative risk [RR] 0.52, 95% CI 0.32 to 0.87, p = 0.01) and a 30% lower risk of 28-day mortality (RR 0.70, 95% CI 0.51 to 0.96, p = 0.03). CONCLUSIONS Early LTOWB resuscitation is safe but not independently associated with survival for the overall enrolled population. When patients were selected with an elevated probability of mortality based on prehospital injury characteristics, LTOWB was independently associated with a lower risk of mortality starting at 4 hours after arrival through 28 days after injury.
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Chammas M, Abdul Jawad K, Pust GD, Rattan R, Namias N, Aicher BO, Bruns BR, Yeh DD. Association Between Fecal Contamination and Outcomes After Emergent General Surgery Colorectal Resection: A Post Hoc Analysis of an Eastern Association for the Surgery of Trauma (EAST) Multicenter Study. Surg Infect (Larchmt) 2023. [PMID: 37498199 DOI: 10.1089/sur.2022.256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/28/2023] Open
Abstract
Background: The impact of fecal contamination on clinical outcomes in patients undergoing emergent colorectal resection is unclear. We hypothesized that fecal contamination is associated with worse clinical outcomes regardless of operative technique. Patients and Methods: This is a post hoc analysis for an Eastern Association for the Surgery of Trauma-sponsored multicenter study that prospectively enrolled emergency general surgery patients undergoing urgent/emergent colorectal resection. Subjects were categorized according to presence versus absence of intra-operative fecal contamination. Propensity score matching (1:1) by age, weight, Charlson comorbidity index, pre-operative vasopressor use, and method of colonic management (primary anastomosis [ANST] vs. ostomy [STM]) was performed. χ2 analysis was then performed to compare the composite outcome (surgical site infection and fascial dehiscence). Results: A total of 428 subjects were included, of whom 147 (34%) had fecal contamination. Propensity score matching (1:1) resulted in a total of 147 pairs. After controlling for operative technique, fecal contamination was still associated with higher odds of the composite outcome (odds ratio [OR], 2.47; 95% confidence interval [CI], 1.45-4.2; p = 0.001). Conclusions: In patients undergoing urgent/emergent colorectal resection, fecal contamination, regardless of operative technique, is associated with worse clinical outcomes. Selection bias is possible, thus randomized controlled trials are needed to confirm or refute a causal relation.
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Lyons NB, Cohen BL, O'Neil CF, Ramsey WA, Proctor KG, Namias N, Meizoso JP. Short Versus Long Antibiotic Duration for Necrotizing Soft Tissue Infection: A Systematic Review and Meta-Analysis. Surg Infect (Larchmt) 2023. [PMID: 37222708 DOI: 10.1089/sur.2023.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2023] Open
Abstract
Background: Necrotizing soft tissue infections (NSTIs) are rapidly spreading, life-threatening infections that require emergent surgical intervention with immediate antibiotic initiation. However, there is no consensus regarding duration of antibiotic therapy after source control. We hypothesized that a short course of antibiotic therapy is as effective as a long course of antibiotic therapy after final debridement for NSTI. Methods: A systematic review of the literature was performed using PubMed, Embase, and Cochrane Library from inception to November 2022. Observational studies comparing short (≤7 days) versus long (>7 days) antibiotic duration for NSTI were included. Primary outcome was mortality and secondary outcomes included limb amputation and Clostridium difficile infection (CDI). Cumulative analysis was performed with Fisher exact test. Meta-analysis was performed using a fixed effects model and heterogeneity was assessed using Higgins I2. Results: A total of 622 titles were screened and four observational studies evaluating 532 patients met inclusion criteria. Mean age was 52 years, 67% were male, 61% had Fournier gangrene. There was no difference in mortality when comparing short to long duration antibiotic agents on both cumulative analysis (5.6% vs. 4.0%; p = 0.51) and meta-analysis (relative risk, 0.9; 95% confidence interval, 0.8-1.0; I2 0; p = 0.19). There was no significant difference in rates of limb amputation (11% vs. 8.5%; p = 0.50) or CDI (20.8% vs. 13.3%; p = 0.14). Conclusions: Short duration antibiotic therapy may be as effective as longer duration antibiotic therapy for NSTI after source control. Further high-quality data such as randomized clinical trials are required to create evidence-based guidelines.
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Ramsey WA, O'Neil CF, Corona AM, Cohen BL, Lyons NB, Meece MS, Saberi RA, Gilna GP, Satahoo SS, Kaufman JI, Schulman CI, Namias N, Proctor KG, Pizano LR. Burn Excision Within 48 Hours Portends Better Outcomes Than Standard Management: A Nationwide Analysis. J Trauma Acute Care Surg 2023:01586154-990000000-00330. [PMID: 37038260 DOI: 10.1097/ta.0000000000003951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
Abstract
BACKGROUND Previous studies have debated the optimal time to perform excision and grafting of second- and third-degree burns. The current consensus is that excision should be performed before the sixth hospital day. We hypothesize that patients who undergo excision within 48 hours have better outcomes. METHODS The ACS Trauma Quality Programs (ACS TQP) dataset was used to identify all patients with at least 10% total body surface area (TBSA) second- and third-degree burns from years 2017-2019. Patients with other serious injuries (any AIS >3), severe inhalational injury, pre-hospital cardiac arrest, and interhospital transfers were excluded. ICD-10 procedure codes were used to ascertain time of first excision. Patients who underwent first excision within 48 hours of admission (early excision) were compared to those who underwent surgery 48-120 hours from admission (standard therapy). Propensity score matching was performed to control for age and TBSA burned. RESULTS 2,270 patients (72% male) were included in the analysis. Median age was 37 (23-55) years. Early excision was associated with shorter hospital length of stay (LOS), and ICU LOS (Table 2). Complications including deep venous thrombosis, pulmonary embolism, ventilator-associated pneumonia, and catheter-associated urinary tract infection were significantly lower with early excision. There was no significant difference in mortality. CONCLUSIONS Performance of excision within 48 hours is associated with shorter hospital LOS and fewer complications than standard therapy. We recommend taking patients for operative debridement and temporary or, when feasible, permanent coverage within 48 hours. Prospective trials should be performed to verify the advantages of this treatment strategy. LEVEL OF EVIDENCE Level III - Retrospective Cohort Study.
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Ramsey WA, O'Neil CF, Ramdev RA, Sleeman EA, Danton GH, Kaufman JI, Pizano LR, Meizoso JP, Proctor KG, Namias N. Illuminating the Use of Trauma Whole-Body CT Scan During the Global Contrast Shortage. J Am Coll Surg 2023; 236:937-942. [PMID: 36728386 DOI: 10.1097/xcs.0000000000000551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
BACKGROUND Use of whole-body CT scan (WBCT) is widespread in the evaluation of traumatically injured patients and may be associated with improved survival. WBCT protocols include the use of IV contrast unless there is a contraindication. This study tests the hypothesis that using plain WBCT scan during the global contrast shortage would result in greater need for repeat contrast-enhanced CT, but would not impact mortality, missed injuries, or rates of acute kidney injury (AKI). STUDY DESIGN All trauma encounters at an academic level-I trauma center between March 1, 2022 and June 24, 2022, excluding burns and prehospital cardiac arrests, were reviewed. Imaging practices and outcomes before and during contrast shortage (beginning May 3, 2022) were compared. RESULTS The study population included 1,109 consecutive patients (72% male), with 890 (80%) blunt and 219 (20%) penetrating traumas. Overall, 53% of patients underwent WBCT and contrast was administered to 73%. The overall rate of AKI was 6% and the rate of renal replacement therapy (RRT) was 1%. Contrast usage in WBCT was 99% before and 40% during the shortage (p < 0.001). There was no difference in the rate of repeat CT scans, missed injuries, AKI, RRT, or mortality. CONCLUSIONS Trauma imaging practices at our center changed during the global contrast shortage; the use of contrast decreased despite the frequency of trauma WBCT scans remaining the same. The rates of AKI and RRT did not change, suggesting that WBCT with contrast is insufficient to cause AKI. The missed injury rate was equivalent. Our data suggest similar outcomes can be achieved with selective IV contrast use during WBCT.
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Chammas M, Pust GD, Meizoso JP, Ramsay IA, Ke H, Rattan R, Namias N, Crandall M, Yeh DD. Firearm Legislation - The Association between Neighboring States and Crude Death Rates. J Trauma Acute Care Surg 2023:01586154-990000000-00317. [PMID: 36973873 DOI: 10.1097/ta.0000000000003952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
Abstract
BACKGROUND Few studies have examined the impact of interstate differences in firearm laws on state-level firearm mortality. We aim to study the association between neighboring states' firearm legislation and firearm-related crude death rate (CDR). METHODS The CDC Web-based Injury Statistics Query and Reporting System (WISQARS) was queried for adult all-intent (accidental, suicide, and homicide) firearm-related CDR among the 50 states from 2012 to 2020. States were divided into five cohorts based on the Giffords Law Center Annual Gun Law Scorecard and two groups were constructed: Strict (A, B, C) and Lenient (D, F). We examined the effect of 1) a single incongruent neighbor, defined as "Different" if the state is bordered by ≥1 state with a grade score difference > 1, and 2) the average grade of all neighboring states, defined as "Different" if the average of all neighboring states resulted in a grade score difference > 1. RESULTS Strict states with similar average neighbors had significantly lower CDR compared to Strict states with different average neighbors (2.98 [1.91-5.06] vs. 3.87 [2.37-5.94], p = 0.02) while Lenient states with similar average neighbors had significantly higher CDR compared to Lenient states with different average neighbors (6.02 [4.56-8.11] vs. 4.7 [3.95-5.35], p = 0.002). Lenient states surrounded by all similar Lenient states had the highest CDR, which was significantly higher than Lenient states with ≥1 different neighbor (6.52 [5.09-8.96] vs. 5.19 [3.85-6.61], p < 0.001). However, Strict states with ≥1 different neighbor did not have higher CDR compared to Strict states surrounded by all similar Strict states (3.39 [2.17-5.35] vs. 3.14 [1.91-5.38], p = 0.5). CONCLUSION We report a lopsided neighboring effect whereby Lenient states may benefit from at least 1 Strict neighbor while Strict states may be adversely affected only when surrounded by mostly Lenient neighbors. These findings may assist policymakers regarding the efficacy of their own state's legislation in the context of incongruent neighboring states. LEVEL OF EVIDENCE IV, retrospective observational.
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Ramsey WA, O'Neil CF, Saberi RA, Meece MS, Gilna GP, Kaufman JI, Lieberman HM, Lineen EB, Meizoso JP, Pizano LR, Satahoo SS, Danton GH, Proctor KG, Namias N. Examining the Definition of Ventilator-Associated Pneumonia in the Trauma Setting: A Single-Center Analysis. Surg Infect (Larchmt) 2023; 24:322-326. [PMID: 36944154 DOI: 10.1089/sur.2022.272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2023] Open
Abstract
Background: Ventilator associated pneumonia (VAP) is defined by the American College of Surgeons Trauma Quality Improvement Program (ACS TQIP) using laboratory findings, pathophysiologic signs/symptoms, and imaging criteria. However, many critically ill trauma patients meet the non-specific laboratory and sign/symptom thresholds for VAP, so the TQIP designation of VAP depends heavily upon imaging evidence. We hypothesized that physician opinions widely vary regarding chest radiograph findings significant for VAP. Patients and Methods: The TQIP Spring 2021 Benchmark Report (BR) was used to identify 14 patients with VAP at an academic Level 1 Trauma Center. Critically ill trauma patients (n = 7) who spent at least four days intubated and met TQIP's laboratory and sign/symptom thresholds for VAP but did not appear as VAPs on the BR comprised the control group. For each deidentified patient, four successive chest radiographic images were compiled and arranged chronologically. Cases and controls were randomly arranged in digital format. Blinded physicians (n = 27) were asked to identify patients with VAP based solely on imaging evidence. Results: Radiographic evidence of VAP was highly subjective (Krippendorff α = 0.134). Among physicians of the same job description, inter-rater reliability remained low (α = 0.137 for trauma attending physicians; α = 0.141 for trauma fellows; α = 0.271 for radiologists). When majority judgment was compared to the TQIP BR, there was disagreement between the two tests (Cohen κ = -0.071; sensitivity, 64.3%; specificity, 28.6%). Conclusions: Current definitions of VAP rely on subjective imaging interpretation and ignore the reality that there are numerous explanations for opacities on CXR. The inconsistency of physicians' imaging interpretation and protean physiologic findings for VAP in trauma patients should preclude the current definition of VAP from being used as a quality improvement metric in TQIP.
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Meizoso JP, Sauaia A, Namias N, Manning RJ, Pieracci FM. Duration of Antibiotic Therapy for Early VAP Trial: Study Protocol for a Surgical Infection Society Multicenter, Pragmatic, Randomized Clinical Trial of Four versus Seven Days of Definitive Antibiotic Therapy for Early Ventilator-Associated Pneumonia in Surgical Patients. Surg Infect (Larchmt) 2023; 24:163-168. [PMID: 36730717 DOI: 10.1089/sur.2022.362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Background: Current guidelines recommend a seven-day course of antibiotic therapy for patients with ventilator-associated pneumonia (VAP). However, clinical and microbiologic resolution of infection may occur much sooner than seven days, particularly in patients with early VAP. Shortening the course of antibiotic therapy for early VAP likely results in lower antibiotic-associated complications, but it is unclear whether VAP recurrence rates will be higher in patients receiving fewer days of therapy. We propose to compare four days versus seven days of antibiotic therapy for early VAP in surgical patients in a multicenter, pragmatic, randomized clinical trial. Patients and Methods: Eligible patients admitted to a surgical intensive care unit with early VAP, defined as VAP occurring within two to seven days of intubation, will be randomized to receive four or seven days of antibiotic therapy. The two primary outcomes are: VAP recurrence, defined as VAP occurring two to 14 days after completion of initial therapy and antibiotic-free days, defined as the number of days without receiving any antibiotic agents within 30 days from completion of initial therapy. Data will be analyzed using both intention-to-treat and per-protocol strategies. Power analysis was performed assuming non-inferiority of four days vs. seven days for VAP recurrence and superiority of four days versus seven days for antibiotic-free days. The total sample size to detect a 10% difference between groups with 80% power and assuming a 10% dropout rate is 458 patients. Three separate data analyses are planned throughout the trial and sample size will be re-calculated at each interim analysis. Conclusions: The Duration of Antibiotic Therapy for Early VAP (DATE) Trial will enroll surgical patients with early VAP to analyze whether a shorter duration of antibiotic therapy results in similar clinical outcomes while decreasing antibiotic exposure.
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Knowlton LM, Butler WJ, Dumas RP, Bankhead BK, Meizoso JP, Bruns B, Van Gent JM, Kaafarani HMA, Martin MJ, Namias N, Stein DM, Tadlock MD, Martin RS, Staudenmayer KL, Gurney JM. Power of mentorship for civilian and military acute care surgeons: identifying and leveraging opportunities for longitudinal professional development. Trauma Surg Acute Care Open 2023; 8:e001049. [PMID: 36866105 PMCID: PMC9972450 DOI: 10.1136/tsaco-2022-001049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 02/11/2023] [Indexed: 03/03/2023] Open
Abstract
Across disciplines, mentorship has been recognized as a key to success. Acute care surgeons, focused on the care of trauma surgery, emergency general surgery and surgical critical care, practice in a wide variety of settings and have unique mentorship needs across all phases of their career. Recognizing the need for robust mentorship and professional development, the American Association for the Surgery of Trauma (AAST) convened an expert panel entitled 'The Power of Mentorship' at the 81st annual meeting in September 2022 (Chicago, Illinois). This was a collaboration between the AAST Associate Member Council (consisting of surgical resident, fellow and junior faculty members), the AAST Military Liaison Committee, and the AAST Healthcare Economics Committee. Led by two moderators, the panel consisted of five real-life mentor-mentee pairs. They addressed the following realms of mentorship: clinical, research, executive leadership and career development, mentorship through professional societies, and mentorship for military-trained surgeons. Recommendations, as well as pearls and pitfalls, are summarized below.
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Ramsey WA, O'Neil CF, Fils AJ, Botero-Fonnegra C, Saberi RA, Gilna GP, Pizano LR, Parker BM, Proctor KG, Schulman CI, Namias N, Meizoso JP. Improved Survival for Severely Injured Patients Receiving Massive Transfusion at US Teaching Hospitals: A Nationwide Analysis. J Trauma Acute Care Surg 2023; 94:672-677. [PMID: 36749659 DOI: 10.1097/ta.0000000000003895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
BACKGROUND Previous studies have shown improved survival for patients treated at American College of Surgeons (ACS) verified level I trauma centers compared to level II, level III, and undesignated centers. This mortality difference is more pronounced in severely injured patients. However, a survival benefit for severely injured trauma patients has not been established at teaching institutions compared to non-teaching centers. As massive transfusion (MT) is associated with high mortality, we hypothesize that patients receiving MT have lower mortality at teaching hospitals than at non-teaching hospitals. METHODS All adult ACS Trauma Quality Improvement Program-eligible patients who underwent MT, defined as >10 units of packed red blood cells in the first 4 hours after arrival, in the 2019 ACS Trauma Quality Programs participant use file were eligible. Patients with severe head injury (AIS Head ≥3), prehospital cardiac arrest, and interhospital transfers were excluded. Logistic regression models were used to assess the effects of trauma center hospital teaching status on the adjusted odds of 3-hour, 6-hour, and 24-hour mortality. RESULTS 1,849 patients received MT [81% male, median ISS 26 (18-35)], 72% were admitted to level I trauma centers, and 28% were admitted to level II centers. Overall hospital mortality was 41%; 17% of patients died in 3 hours, 25% in 6 hours and 33% in 24 hours. Teaching hospitals were associated with decreased 3-hour (OR 0.45, 95% CI 0.27-0.75), 6-hour (OR 0.37, 95% CI 0.24-0.56), 24-hour (OR 0.50, 95% CI 0.34-0.75), and overall mortality (OR 0.66, 95% CI 0.44-0.98), compared to non-teaching hospitals, controlling for sex, age, heart rate, injury severity, injury mechanism, and trauma center verification level. CONCLUSIONS Severely injured patients requiring MT experience significantly lower mortality at teaching hospitals compared to non-teaching hospitals, independently of trauma center verification level. LEVEL OF EVIDENCE Level III: Retrospective comparative study.
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Chammas M, Byerly S, Lynde J, Mantero A, Saberi R, Gilna G, Pust GD, Rattan R, Namias N, Crandall M, Yeh DD. Association Between Child Access Prevention and State Firearm Laws With Pediatric Firearm-Related Deaths. J Surg Res 2023; 281:223-227. [PMID: 36206582 DOI: 10.1016/j.jss.2022.08.034] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 07/27/2022] [Accepted: 08/27/2022] [Indexed: 11/07/2022]
Abstract
INTRODUCTION We aim to study the association between state child access prevention (CAP) and overall firearm laws with pediatric firearm-related mortality. METHODS The Centers for Disease Control and Prevention Web-based Injury Statistics Query and Reporting System was queried for pediatric (aged < 18 y) all-intent (accidental, suicide, and homicide) firearm-related crude death rates (CDRs) among the 50 states from 1999 to 2019. States were into three groups: Always CAP (throughout the 20-year period), Never CAP, and New CAP (enacted CAP during study period). We used the Giffords Law Center Annual Gun Law Scorecard (A, B, C, D, F) to group states into strict (A, B) and lenient (C, D, F) firearm laws. A scatter plot was constructed to display state CDR based on CAP laws by year. The top 10 states by CDR per year were tabulated based on CAP law status. Wilcoxon rank-sum was used to compare CDR between strict and lenient scorecard states in 2019. RESULTS There were 12 Always CAP, 21 Never CAP, and 17 New CAP states from 1999 to 2019. No states changed from CAP laws to no CAP laws. Never CAP and New CAP states dominated the high outliers in CDR compared to Always CAP. The top 10 states with the highest CDR per year were most commonly Never CAP. Strict firearm laws states had lower median CDR in 2019 than lenient states (0.79 [0-1.67] versus 2.59 [1.66-3.53], P = 0.007). CONCLUSIONS Stricter overall gun laws are associated with three-fold lower all-intent pediatric firearm-related deaths. For 2 decades, the 10 states with the highest CDR were almost universally those without CAP laws. Our findings support the RAND Gun Policy in America initiative's claims on the importance of CAP laws in reducing suicide, unintentional deaths, and violent crime among children, but more research is needed.
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Yeh DD, Hatton GE, Pedroza C, Pust G, Mantero A, Namias N, Kao LS. Complex And Simple Appendicitis: REstrictive or Liberal postoperative Antibiotic eXposure (CASA RELAX) using Desirability of Outcome Ranking (DOOR) and Response Adjusted for Duration of Antibiotic Risk (RADAR): study protocol for a randomized controlled trial. Trauma Surg Acute Care Open 2022; 7:e000931. [PMID: 36148315 PMCID: PMC9486380 DOI: 10.1136/tsaco-2022-000931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 08/29/2022] [Indexed: 11/04/2022] Open
Abstract
Objectives After appendectomy for simple or complicated appendicitis, the optimal duration of postoperative antibiotics (postop abx) is unclear and great practice variability exists. We propose to compare restrictive versus liberal postop abx using a hierarchical composite endpoint which includes patient-centered outcomes and accounts for duration of antibiotic exposure. Methods/Design Participants with simple or complicated appendicitis undergoing appendectomy are randomly assigned to either restricted or liberal strategy. Eligible subjects declining randomization will be recruited to enroll in an observation only cohort. The primary endpoint is an ordinal scale of mutually exclusive clinical outcomes with within-category rankings determined by duration of antibiotic exposure. Subjects in both randomized and observation only cohorts will be analyzed as intention-to-treat, per-protocol, and as-treated. Exploratory Bayesian analyses will be performed. Conclusion The complex and simple appendicitis: restrictive or liberal postoperative antibiotic exposure multicenter randomized controlled trial will enroll surgical appendectomy patients and seeks to analyze if a strategy of restricted (compared with liberal) postoperative antibiotics results in similar clinical outcomes with the benefit of reduced antibiotic exposure. Trial registration number NCT05002829.
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Chammas M, Pust GD, Hatton G, Pedroza C, Kao L, Rattan R, Namias N, Yeh DD. Outcomes of Restricted versus Liberal Post-Operative Antibiotic Use in Patients Undergoing Appendectomy: A DOOR/RADAR Post Hoc Analysis of the EAST Appendicitis MUSTANG Study. Surg Infect (Larchmt) 2022; 23:489-494. [PMID: 35647893 DOI: 10.1089/sur.2021.287] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Background: There is no consensus on the duration of antibiotic use after appendectomy. We hypothesized that restricted antibiotic use is associated with better clinical outcomes. Patients and Methods: We performed a post hoc analysis of the Eastern Association for the Surgery of Trauma (EAST) Multicenter Study of the Treatment of Appendicitis in America-Acute, Perforated, and Gangrenous (MUSTANG) study using the desirability of outcome ranking/response adjusted for duration of antibiotic risk (DOOR/RADAR) framework. Three separate datasets were analyzed based on restricted versus liberal post-operative antibiotic groups: simple appendicitis (no vs. yes); complicated appendicitis, only four days (≤24 hours vs. 4 days); and complicated appendicitis, four or more days (≤24 hours vs. ≥4 days). Patients were assigned to one of seven mutually exclusive DOOR categories RADAR ranked within each category. DOOR/RADAR score pairwise comparisons were performed between all patients. Each patient was assigned either 1, 0, or -1 if they had better, same, or worse outcomes than the other patient in the pair, respectively. The sum of these numbers (cumulative comparison score) was calculated for each patient and the group medians of individual sums were compared by Wilcoxon rank sum. Results: For simple appendicitis, the restricted group had higher median sums than the liberal group (552 [552,552] vs. -1,353 [-1,353, -1,353], p < 0.001). For both complicated appendicitis analyses, the restricted group had higher median sums than the liberal: only 4 (196 [23,196] vs. -121 [-121, -121], p < 0.02) and 4 or more (660 [484,660] vs -169 [-444,181], p < 0.001). Conclusions: Restricted post-operative antibiotic use in patients after appendectomy is a dominant strategy when considering treatment effectiveness and antibiotic exposure.
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Presser MJ, Quiroz HJ, Perez EA, Sola JE, Namias N, Thorson CM. Comparing fatal child abuse involving biological and surrogate parents. J Trauma Acute Care Surg 2022; 92:362-365. [PMID: 34369437 DOI: 10.1097/ta.0000000000003374] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Nearly half of pediatric homicides younger than 5 years are attributable to child abuse. Parents are most commonly the perpetrators, but less is known about incidents involving biological versus surrogate parents. We sought to evaluate the characteristics of fatal child abuse involving biological and surrogate parents using the Georgia National Violent Death Reporting System, which we believe may differ in demographics and incident characteristics. METHODS This database was used to examine all homicides of children younger than 18 years from 2011 to 2017. Demographics and incident characteristics were analyzed using the existing National Violent Death Reporting System variables and incident narratives. Nonparametric and χ2 tests were used to compare fatal child abuse incidents involving biological and surrogate parents (e.g., adoptive, foster, step-parents, intimate partners of biological parent). RESULTS There were 452 pediatric homicides and 219 cases of fatal child abuse. Of all cases of fatal child abuse, 60% involved biological and 29% involved surrogate parents. Compared with children killed by biological parents, children killed by surrogate parents were older (4 vs. 3 years), more often male (71% vs. 51%), more likely to survive the initial injury and present to the emergency department before death (96% vs. 69%), and less likely to have a medical comorbidity (2% vs. 11%; all p < 0.05). Surrogate parents were more likely to be male (90% vs. 48%) and use a firearm (20% vs. 13%) to inflict the injury, both p < 0.05. The race/ethnicity of the child was not associated with the parent's relationship. CONCLUSION Child abuse accounts for half of all pediatric homicides. Parents are the most common perpetrators of fatal child abuse, but surrogate parent perpetrators are almost exclusively male and more likely to use firearms. Most children have a history of abuse, leaving an opportunity to intervene on potentially preventable deaths if abuse is identified in a timely fashion. LEVEL OF EVIDENCE Prognostic and Epidemiologic, Level III.
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