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Walker PF, Bozzay JD, Schechtman DW, Shaikh F, Stewart L, Carson ML, Tribble DR, Rodriguez CJ, Bradley MJ. Non-therapeutic laparotomies in military trauma (2009-2014). Surg Endosc 2024:10.1007/s00464-024-11102-4. [PMID: 39143330 DOI: 10.1007/s00464-024-11102-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Accepted: 07/15/2024] [Indexed: 08/16/2024]
Abstract
BACKGROUND Combat casualties are frequently injured in austere settings where modern imaging modalities are unavailable. Exploratory laparotomies are often performed in these settings when there is suspicion for intra-abdominal injury. Prior studies of combat casualties reported non-therapeutic laparotomy (NTL) rates as high as 32%. Given improvements in combat casualty care over time, we evaluated NTLs performed during later years of the wars in Iraq and Afghanistan. METHODS Military personnel with combat-related injuries (6/1/2009-12/31/2014) who underwent exploratory laparotomy based on concern for abdominal injury (i.e. not performed for proximal vascular control or fecal diversion) and were evacuated to Landstuhl Regional Medical Center (Germany) before being transferred to participating U.S. military hospitals were assessed. An NTL was defined as a negative laparotomy without substantial intra-abdominal injuries requiring repair. Characteristics, indications for laparotomy, operative findings, and outcomes were examined. RESULTS Among 244 patients who underwent laparotomies, 41 (16.8%) had NTLs and 203 (83.2%) had therapeutic laparotomies (i.e. positive findings). Patients with NTLs had more computed tomography scans concerning for injury (48.8% vs 27.1%; p = 0.006), less penetrating injury mechanisms (43.9% vs 71.9%; p < 0.001), and lower Injury Severity Scores (26 vs 33; p = 0.003) compared to patients with therapeutic laparotomies. Patients with NTLs were also less likely to be admitted to the intensive care unit (70.7 vs 89.2% for patients with therapeutic laparotomies; p = 0.007). No patients with NTLs developed abdominal surgical site infections (SSI) compared to 16.7% of patients with therapeutic laparotomies (p = 0.002). There was no significant difference in mortality between the groups (p = 0.198). CONCLUSIONS Our proportion of NTLs was lower than reported from earlier years during the wars in Iraq and Afghanistan. No infectious complications from NTLs (i.e. abdominal SSIs) were identified. Nevertheless, surgeons should continue to have a low threshold for exploratory laparotomy in military patients in austere settings with concern for intra-abdominal injury.
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Affiliation(s)
- Patrick F Walker
- Walter Reed National Military Medical Center, 8901 Wisconsin Ave, Bethesda, MD, 20814, USA.
| | - Joseph D Bozzay
- Walter Reed National Military Medical Center, 8901 Wisconsin Ave, Bethesda, MD, 20814, USA
| | | | - Faraz Shaikh
- Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc, Bethesda, MD, USA
| | - Laveta Stewart
- Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc, Bethesda, MD, USA
| | - M Leigh Carson
- Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc, Bethesda, MD, USA
| | - David R Tribble
- Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | | | - Matthew J Bradley
- Walter Reed National Military Medical Center, 8901 Wisconsin Ave, Bethesda, MD, 20814, USA
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Reichel K, Hahlbohm P, Kromrey ML, Nebelung H, Schön F, Kamin K, Goronzy J, Kühn JP, Hoffmann RT, Blum SFU. Feasibility and diagnostic accuracy of fast whole-body MRI in slightly to moderately injured trauma patients. Eur Radiol 2024:10.1007/s00330-024-10933-y. [PMID: 38995385 DOI: 10.1007/s00330-024-10933-y] [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: 03/18/2024] [Revised: 04/29/2024] [Accepted: 05/29/2024] [Indexed: 07/13/2024]
Abstract
OBJECTIVES To determine the feasibility and diagnostic accuracy of fast whole-body magnetic resonance imaging (WB-MRI) compared to whole-body computed tomography (WB-CT) in detecting injuries of slightly to moderately injured trauma patients. MATERIALS AND METHODS In a prospective single-center approach, trauma patients from convenience sampling with an expected Abbreviated Injury Scale (AIS) score ≤ 3 at admission, received an indicated contrast-enhanced WB-CT (reference standard) and a plain WB-MRI (index test) voluntarily up to five days after trauma. Two radiologists, blinded to the WB-CT findings, evaluated the absence or presence of injuries with WB-MRI in four body regions: head, torso, axial skeleton, and upper extremity. Diagnostic accuracy was determined using sensitivity, specificity, positive predictive value, and negative predictive value by body region. RESULTS Between June 2019 and July 2021, 40 patients were assessed for eligibility of whom 35 (median age (interquartile range): 50 (32.5) years; 26 men) received WB-MRI. Of 140 body regions (35 patients × 4 regions), 31 true positive, 6 false positive, 94 true negative, and 9 false negative findings were documented with WB-MRI. Thus, plain WB-MRI achieved a total sensitivity of 77.5% (95%-confidence interval (CI): (61.6-89.2%)), specificity of 94% (95%-CI: (87.4-97.8%)), and diagnostic accuracy of 89.3% (95%-CI: (82.9-93.9%)). Across the four regions sensitivity and specificity varied: head (66.7%/93.1%), torso (62.5%/96.3%), axial skeleton (91.3%/75%), upper extremity (33.3%/100%). Both radiologists showed substantial agreement on the WB-MRI reading (Cohen's Kappa: 0.66, 95%-CI: (0.51-0.81)). CONCLUSION Regarding injury detection, WB-MRI is feasible in slightly to moderately injured trauma patients, especially in the axial skeleton. CLINICAL RELEVANCE STATEMENT Besides offering a radiation-free approach, whole-body MRI detects injuries almost identically to whole-body CT in slightly to moderately injured trauma patients, who comprise a relevant share of all trauma patients. KEY POINTS Whole-body MRI could offer radiation-free injury detection in slightly to moderately injured trauma patients. Whole-body MRI detected injuries almost identically compared to whole-body CT in this population. Whole-body MRI could be a radiation-free approach for slightly to moderately injured young trauma patients.
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Affiliation(s)
- Katrin Reichel
- Institute and Polyclinic for Diagnostic and Interventional Radiology, University Hospital Carl Gustav Carus, Technical University Dresden, Fetscherstraße 74, 01307, Dresden, Germany.
| | - Patricia Hahlbohm
- Institute and Polyclinic for Diagnostic and Interventional Radiology, University Hospital Carl Gustav Carus, Technical University Dresden, Fetscherstraße 74, 01307, Dresden, Germany
| | - Marie-Luise Kromrey
- Institute and Polyclinic for Diagnostic and Interventional Radiology, University Hospital Carl Gustav Carus, Technical University Dresden, Fetscherstraße 74, 01307, Dresden, Germany
| | - Heiner Nebelung
- Institute and Polyclinic for Diagnostic and Interventional Radiology, University Hospital Carl Gustav Carus, Technical University Dresden, Fetscherstraße 74, 01307, Dresden, Germany
| | - Felix Schön
- Institute and Polyclinic for Diagnostic and Interventional Radiology, University Hospital Carl Gustav Carus, Technical University Dresden, Fetscherstraße 74, 01307, Dresden, Germany
| | - Konrad Kamin
- University Center of Orthopaedic, Trauma and Plastic Surgery, University Hospital, TU Dresden, Fetscherstr. 74, 01307, Dresden, Germany
| | - Jens Goronzy
- University Center of Orthopaedic, Trauma and Plastic Surgery, University Hospital, TU Dresden, Fetscherstr. 74, 01307, Dresden, Germany
| | - Jens-Peter Kühn
- Institute and Polyclinic for Diagnostic and Interventional Radiology, University Hospital Carl Gustav Carus, Technical University Dresden, Fetscherstraße 74, 01307, Dresden, Germany
| | - Ralf-Thorsten Hoffmann
- Institute and Polyclinic for Diagnostic and Interventional Radiology, University Hospital Carl Gustav Carus, Technical University Dresden, Fetscherstraße 74, 01307, Dresden, Germany
| | - Sophia Freya Ulrike Blum
- Institute and Polyclinic for Diagnostic and Interventional Radiology, University Hospital Carl Gustav Carus, Technical University Dresden, Fetscherstraße 74, 01307, Dresden, Germany
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Strahl A, Willemsen JF, Schoof B, Reinshagen K, Frosch KH, Wintges K. The paediatric polytrauma CT-indication (PePCI)-score-Development of a prognostic model to reduce unnecessary CT scans in paediatric trauma patients. Injury 2024; 55:111494. [PMID: 38521635 DOI: 10.1016/j.injury.2024.111494] [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: 07/09/2023] [Revised: 02/03/2024] [Accepted: 03/07/2024] [Indexed: 03/25/2024]
Abstract
BACKGROUND Whole-Body CT (WBCT) is frequently used in emergency situations for promptly diagnosing paediatric polytrauma patients, given the challenges associated with obtaining precise details about the mechanism and progression of trauma. However, WBCT does not lead to reduced mortality in paediatric patients, but is associated with high radiation exposure. We therefore wanted to develop a screening tool for CT demand-driven emergency room (ER)-trauma diagnostic to reduce radiation exposure in paediatric patients. METHODS A retrospective study in a Level I trauma centre in Germany was performed. Data from 344 paediatric emergency patients with critical mechanism of injury who were pre-announced by the ambulance for the trauma room were collected. Patients' symptoms, clinical examination, extended Focused Assessment with Sonography for Trauma (eFAST), routinely, laboratory tests and blood gas and - when obtained - WBCT images were analysed. To identify potential predictors of severe injuries (ISS > 23), 300 of the 344 cases with complete data were subjected to regression analyses model. RESULTS Multiple regression analysis identified cGCS, base excess (BE), medically abnormal results from eFAST screening, initial unconsciousness, and injuries involving three or more body regions as significant predictors for a screening tool for decision-making to perform WBCT or selective CT. The developed Paediatric polytrauma CT-Indication (PePCI)-Score was divided into three risk categories and achieved a sensitivity of 87 % and a specificity of 71 % when comparing the low and medium risk groups with the high risk group. Comparing only the low-risk group with the high-risk group for the decision to perform WBCT, 32/35 (91 %) of patients with an ISS >23 were correctly identified, as were 124/137 (91 %) with lower ISS scores. CONCLUSION With the newly developed PePCI-Score, the frequency of WBCT in a paediatric emergency patients collective can be significantly reduced according to our data. After prospective validation, the initial assessment of paediatric trauma patients in the future could be made not only by the mechanism of injury, but also by the new PePCI-Score, deriving on clinical findings after thorough clinical assessment and the discretion of the trauma team.
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Affiliation(s)
- André Strahl
- Department of Trauma and Orthopaedic Surgery, Division of Orthopeadics, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Jan Fritjof Willemsen
- Department of Paediatric Surgery, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246 Hamburg, Germany
| | - Benjamin Schoof
- Department of Paediatric Surgery, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246 Hamburg, Germany; Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Konrad Reinshagen
- Department of Paediatric Surgery, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246 Hamburg, Germany
| | - Karl-Heinz Frosch
- Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; Department of Trauma Surgery, Orthopedics and Sportstraumatology, BG Hospital Hamburg, 21033 Hamburg, Germany
| | - Kristofer Wintges
- Department of Paediatric Surgery, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246 Hamburg, Germany.
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Suji T, Sullivan R, Bowsher G. Radiology in conflict: scoping review. Confl Health 2024; 18:8. [PMID: 38238758 PMCID: PMC10797945 DOI: 10.1186/s13031-023-00550-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 11/01/2023] [Indexed: 01/22/2024] Open
Abstract
The United Nations estimate a quarter of the global population currently lives in violent conflict zones. Radiology is an integral part of any healthcare system, providing vital information to aid diagnosis and treatment of a range of disease and injury. However, its delivery in conflict-affected settings remains unclear. This study aims to understand how radiology services are currently delivered in conflict settings, the challenges of doing so, and potential solutions. A hermeneutic narrative review of multiple databases, including grey literature sources, was undertaken. Key themes were identified, and articles grouped accordingly. Various conflict zones including Gaza, Ukraine, Iraq, Yemen, Afghanistan, and Somalia were identified in literature relating to radiology services. Three key themes were identified: underserving of local medical imaging services, strong presence of military hospitals, and the importance of teleradiology. A severe shortage of radiologists, technicians, and equipment in conflict affected settings are a significant cause of the underserving by local services. Teleradiology has been used to blunt the acuity of the these struggling services, alongside military hospitals which often serve local populations. Radiology faces unique challenges compared to other healthcare services owing to its expensive equipment which is difficult to fund and can be less effective due to international sanctions placed on contrast medium to enhance image quality. Further the equipment is reliant on local infrastructure, e.g., power supply, which can be affected in conflict. Key recommendations to improve radiology services include retention of radiologists within conflict zones, careful allocation of funds to supply necessary imaging machinery, international cooperation to ensure sanctions do not affect sourcing of radiology equipment, special training for military medical teams to help preparedness for the unique demands of the local population, and investment in communication devices, like smartphones, to allow international teleradiology efforts.
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Affiliation(s)
- Trisha Suji
- School of Medicine, King's College London, SE1 9RT, London Bridge, UK
| | - Richard Sullivan
- Centre for Conflict & Health Research, King's College London, WCR 2LS, Strand, UK
| | - Gemma Bowsher
- Centre for Conflict & Health Research, King's College London, WCR 2LS, Strand, UK.
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Cao B, Gao J, Zhang Q, Xu X, Zhao R, Li H, Wei B. Melatonin supplementation protects against traumatic colon injury by regulating SERPINA3N protein expression. IMETA 2023; 2:e141. [PMID: 38868216 PMCID: PMC10989984 DOI: 10.1002/imt2.141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 09/25/2023] [Indexed: 06/14/2024]
Abstract
Traumatic colon injury (TCI) is a typical injury with high mortality. Prolongation of the intervention time window is a potentially useful approach to improving the outcomes of TCI casualties. This study aimed to identify the pathological mechanisms of TCI and to develop effective strategies to extend the survival time. A semicircular incision was made to prepare a TCI model using C57BL/6 mice. An overview of microbiota dysregulation was achieved by metagenome sequencing. Protein expression reprogramming in the intestinal epithelium was investigated using proteomics profiling. The mice that were subjected to TCI died within a short period of time when not treated. Gut symbiosis showed abrupt turbulence, and specific pathogenic bacteria rapidly proliferated. The protein expression in the intestinal epithelium was also reprogrammed. Among the differentially expressed proteins, SERPINA3N was overexpressed after TCI modeling. Deletion of Serpina3n prolonged the posttraumatic survival time of mice with TCI by improving gut homeostasis in vivo. To promote the translational application of this research, the effects of melatonin (MLT), an oral inhibitor of the SERPINA3N protein, were further investigated. MLT effectively downregulated SERPINA3N expression and mitigated TCI-induced death by suppressing the NF-κB signaling pathway. Our findings prove that preventive administration of MLT serves as an effective regimen to prolong the posttraumatic survival time by restoring gut homeostasis perturbed by TCI. It may become a novel strategy for improving the prognosis of patients suffering from TCI.
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Affiliation(s)
- Bo Cao
- Department of General Surgery, First Medical CenterChinese PLA General HospitalBeijingChina
| | - Jing‐Wang Gao
- Department of General Surgery, First Medical CenterChinese PLA General HospitalBeijingChina
- Medical School of Chinese PLABeijingChina
| | - Qing‐Peng Zhang
- Department of General Surgery, First Medical CenterChinese PLA General HospitalBeijingChina
| | - Xing‐Ming Xu
- Department of General Surgery, First Medical CenterChinese PLA General HospitalBeijingChina
| | - Rui‐Yang Zhao
- Department of General Surgery, First Medical CenterChinese PLA General HospitalBeijingChina
- Medical School of Chinese PLABeijingChina
| | - Hang‐Hang Li
- Department of General Surgery, First Medical CenterChinese PLA General HospitalBeijingChina
- Medical School of Chinese PLABeijingChina
| | - Bo Wei
- Department of General Surgery, First Medical CenterChinese PLA General HospitalBeijingChina
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6
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Cao B, Zhao RY, Li HH, Xu XM, Cui H, Deng H, Chen L, Wei B. Oral administration of asparagine and 3-indolepropionic acid prolongs survival time of rats with traumatic colon injury. Mil Med Res 2022; 9:37. [PMID: 35791006 PMCID: PMC9258171 DOI: 10.1186/s40779-022-00397-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Accepted: 06/20/2022] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Traumatic colon injury (TCI) is a common disease during wartime. Prolongation of posttraumatic survival time is an effective approach to patient outcome improvement. However, there is a lack of basic research in this field. This study aimed to elucidate the mechanisms underlying TCI progression and to develop novel regimens to buy time for TCI patients on the battlefield. METHODS A total of 669 Sprague-Dawley rats were used in this study. Surgical colon incision was performed to generate the TCI rat model. The landscape of colon microbiota compositions was depicted using 16S rRNA sequencing and metabolites in the intestinal contents were detected by metabolomics profiling. The signaling transduction in the intestinal epithelium was investigated using antibody microarrays and Western blotting. The enzyme-linked immunosorbent assay was conducted to measure the levels of interleukin-6 and tumor necrosis factor-α in intestines and plasma for the detection of inflammatory responses. Diamine oxidase, D-lactate and endotoxin in plasma and protein expression of zonula occludens 1 and occludin were selected as the indicators of intestinal barrier permeability. To investigate alterations of microbiota symbiosis, the relative abundances of specific bacterial genera were detected using quantitative real-time PCR. RESULTS As a type of lethal injury, TCI induced acute disruption of intestinal homeostasis, characterized by inflammatory responses, intestinal barrier hyperpermeability and microbiota dysbiosis (P < 0.05). Significant alterations in bacterial metabolic patterns were detected with decreases in many metabolites. After a series of screenings, we found that oral administration of asparagine (Asn) and 3-indolepropionic acid (IPA) effectively prolonged posttraumatic survival time [Asn plus IPA vs. Vehicle: hazard ratio (HR) = 0.105, 95% CI 0.031-0.356, P = 0.0003] and restored intestinal homeostasis in TCI rats (P < 0.05). Mechanistically, this combinational strategy protected the rats against TCI through synergistic activation of Akt signaling in the intestinal epithelium (P < 0.05). CONCLUSIONS Abrupt dysregulation of intestinal homeostasis plays a critical role in the progression toward TCI-induced death. Oral administration of Asn plus IPA may serve as an effective regimen to restore intestinal functions and prolong the posttraumatic survival time.
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Affiliation(s)
- Bo Cao
- Department of General Surgery, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China.,Medical School of Chinese PLA, Beijing, 100853, China
| | - Rui-Yang Zhao
- Department of General Surgery, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China.,Medical School of Chinese PLA, Beijing, 100853, China
| | - Hang-Hang Li
- Department of General Surgery, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China.,Medical School of Chinese PLA, Beijing, 100853, China
| | - Xing-Ming Xu
- Department of General Surgery, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Hao Cui
- Department of General Surgery, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Huan Deng
- Department of General Surgery, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China.,Medical School of Chinese PLA, Beijing, 100853, China
| | - Lin Chen
- Department of General Surgery, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Bo Wei
- Department of General Surgery, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China.
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Pang C, Chen ZD, Wei B, Xu WT, Xi HQ. Military training-related abdominal injuries and diseases: Common types, prevention and treatment. Chin J Traumatol 2022; 25:187-192. [PMID: 35331607 PMCID: PMC9252930 DOI: 10.1016/j.cjtee.2022.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 02/15/2022] [Indexed: 02/04/2023] Open
Abstract
Military training is intense, difficult and often dangerous, so all kinds of injuries or diseases frequently occur during training. Most of the previous studies and reviews on military training-related injuries focused on musculoskeletal system, whereas there are no reviews of abdominal injuries and diseases. Although the incidence of military training-related abdominal injuries and diseases is relatively low, the patients' condition is often critical especially in the presence of abdominal organ injury, leading to multi-organ dysfunction syndrome and even death. This paper elaborates on common types of military training-related abdominal injuries and diseases as well as the prevention and treatment measures, which provides some basis for scientific and reasonable training and improvement of medical security.
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Bai Z, Wang B, Tian J, Tong Z, Lu H, Qi X. Diagnostic utility of CT for abdominal injury in the military setting: A systematic review and meta-analysis. Medicine (Baltimore) 2021; 100:e28150. [PMID: 34918669 PMCID: PMC8677980 DOI: 10.1097/md.0000000000028150] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 11/17/2021] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND It is critical to accurately identify patients with abdominal injury who truly need to undergo laparotomy during the war in timely fashion. The diagnostic utility of computed tomography (CT) for evaluating abdominal injury in the military setting remains uncertain. METHODS PubMed, EMBASE, and Cochrane Library databases were searched. Meta-analyses were performed by using a random-effect model. We pooled the area under the summary receiver operating characteristic curves with standard errors, the Q indexes with standard errors, the sensitivities with 95% confidence intervals (CIs), the specificities with 95% CIs, the positive likelihood ratios with 95% CIs, the negative likelihood ratios with 95% CIs, and the diagnostic odds ratios with 95% CIs. The heterogeneity among studies were evaluated by the I2 and P value. RESULTS Overall, 5 retrospective studies were included. The area under the summary receiver operating characteristic curve was 0.9761 ± 0.0215 and the Q index was 0.9302 ± 0.0378. The pooled sensitivity was 0.97 (95% CI = 0.92-0.99) without a significant heterogeneity among studies (I2 = 0%, P = .4538). The pooled specificity was 0.95 (95% CI = 0.93-0.97) with a significant heterogeneity among studies (I2 = 90.6%, P < .0001). The pooled positive likelihood ratio was 10.71 (95% CI: 2.91-39.43) with a significant heterogeneity among studies (I2 = 89.2%, P < .0001). The pooled negative likelihood ratio was 0.07 (95% CI = 0.02-0.27) with a significant heterogeneity among studies (I2 = 57.5%, P = .0516). The pooled diagnostic odds ratio was 177.48 (95% CI = 18.09-1741.31) with a significant heterogeneity among studies (I2 = 75.9%, P = .0023). CONCLUSION Diagnostic accuracy of CT for abdominal injury is excellent in the military setting. Further work should explore how to shrink CT equipment for a wider use in wartime.
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Affiliation(s)
- Zhaohui Bai
- Military Medical Research Group, General Hospital of Northern Theater Command, Shenyang, Liaoning Province, China
- Meta-Analysis Interest Group, Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang, Liaoning Province, China
- Department of Life Sciences and Biopharmaceutis, Shenyang Pharmaceutical University, Shenyang, Liaoning Province, China
| | - Bing Wang
- Military Medical Research Group, General Hospital of Northern Theater Command, Shenyang, Liaoning Province, China
- Section of Medical Service, General Hospital of Northern Theater Command, Shenyang, Liaoning Province, China
| | - Jing Tian
- Military Medical Research Group, General Hospital of Northern Theater Command, Shenyang, Liaoning Province, China
| | - Zhenhua Tong
- Military Medical Research Group, General Hospital of Northern Theater Command, Shenyang, Liaoning Province, China
- Section of Medical Service, General Hospital of Northern Theater Command, Shenyang, Liaoning Province, China
| | - Hui Lu
- Military Medical Research Group, General Hospital of Northern Theater Command, Shenyang, Liaoning Province, China
| | - Xingshun Qi
- Military Medical Research Group, General Hospital of Northern Theater Command, Shenyang, Liaoning Province, China
- Meta-Analysis Interest Group, Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang, Liaoning Province, China
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9
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Diagnostic Accuracy of Computed Tomography for the Prediction of the Need for Laparotomy for Traumatic Hollow Viscus Injury: Systematic Review and Meta-Analysis. J Pers Med 2021; 11:jpm11121269. [PMID: 34945741 PMCID: PMC8708608 DOI: 10.3390/jpm11121269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 11/23/2021] [Accepted: 11/24/2021] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Traumatic hollow viscus injury (THVI) is one of the most difficult challenges in the trauma setting. Computed tomography (CT) is the most common modality used to diagnose THVI; however, various performance outcomes of CT have been reported. We conducted a systematic review and meta-analysis to analyze how precise and reliable CT is as a tool for the assessment of THVI. METHOD A systematic review and meta-analysis were conducted on studies on the use of CT to diagnose THVI. Publications were retrieved by performing structured searches in databases, review articles and major textbooks. For the statistical analysis, summary receiver operating characteristic (SROC) curves were constructed using hierarchical models. RESULTS Sixteen studies enrolling 12,514 patients were eligible for the final analysis. The summary sensitivity and specificity of CT for the diagnosis of THVI were 0.678 (95% CI: 0.501-0.809) and 0.969 (95% CI: 0.920-0.989), respectively. The summary false positive rate was 0.031 (95% CI 0.011-0.071). CONCLUSION In this meta-analysis, we found that CT had indeterminate sensitivity and excellent specificity for the diagnosis of THVI.
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10
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Maitz A, Haussner F, Braumüller S, Hoffmann A, Lupu L, Wachter U, Radermacher P, Braun CK, Wilke HJ, Vogt M, Ignatius A, Halbgebauer R, Bettac L, Barth TFE, Huber-Lang M, Palmer A. Temporal-spatial organ response after blast-induced experimental blunt abdominal trauma. FASEB J 2021; 35:e22038. [PMID: 34748229 DOI: 10.1096/fj.202100995r] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 10/14/2021] [Accepted: 10/28/2021] [Indexed: 11/11/2022]
Abstract
Abdominal trauma (AT) is of major global importance, particularly with the increased potential for civil, terroristic, and military trauma. The injury pattern and systemic consequences of blunt abdominal injuries are highly variable and frequently underestimated or even missed, and the pathomechanisms remain still poorly understood. Therefore, we investigated the temporal-spatial organ and immune response after a standardized blast-induced blunt AT. Anesthetized mice were exposed to a single blast wave centered on the epigastrium. At 2, 6, or 24 h after trauma, abdominal organ damage was assessed macroscopically, microscopically, and biochemically. A higher degree of trauma severity, determined by a reduction of the distance between the epigastrium and blast inductor, was reflected by a reduced survival rate. The hemodynamic monitoring during the first 120 min after AT revealed a decline in the mean arterial pressure within the first 80 min, whereas the heart rate remained quite stable. AT induced a systemic damage and inflammatory response, evidenced by elevated HMGB-1 and IL-6 plasma levels. The macroscopic injury pattern of the abdominal organs (while complex) was consistent, with the following frequency: liver > pancreas > spleen > left kidney > intestine > right kidney > others > lungs and was reflected by microscopic liver and pancreas damages. Plasma levels of organ dysfunction markers increased during the first 6 h after AT and subsequently declined, indicating an early, temporal impairment of the function on a multi-organ level. The established highly reproducible murine blunt AT, with time- and trauma-severity-dependent organ injury patterns, systemic inflammatory response, and impairment of various organ functions, reflects characteristics of human AT. In the future, this model may help to study the complex immuno-pathophysiological consequences and innovative therapeutic approaches after blunt AT.
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Affiliation(s)
- Alexander Maitz
- Institute of Clinical and Experimental Trauma-Immunology, Ulm University Medical Center, Ulm, Germany
| | - Felix Haussner
- Institute of Clinical and Experimental Trauma-Immunology, Ulm University Medical Center, Ulm, Germany
| | - Sonja Braumüller
- Institute of Clinical and Experimental Trauma-Immunology, Ulm University Medical Center, Ulm, Germany
| | - Andrea Hoffmann
- Institute of Anesthesiological Pathophysiology and Process Engineering, Ulm University Medical Center, Ulm, Germany
| | - Ludmila Lupu
- Institute of Clinical and Experimental Trauma-Immunology, Ulm University Medical Center, Ulm, Germany
| | - Ulrich Wachter
- Institute of Anesthesiological Pathophysiology and Process Engineering, Ulm University Medical Center, Ulm, Germany
| | - Peter Radermacher
- Institute of Anesthesiological Pathophysiology and Process Engineering, Ulm University Medical Center, Ulm, Germany
| | - Christian K Braun
- Institute of Clinical and Experimental Trauma-Immunology, Ulm University Medical Center, Ulm, Germany.,Department of Pediatrics and Adolescent Medicine, Ulm University Medical Center, Ulm, Germany
| | - Hans-Joachim Wilke
- Institute of Orthopedic Research and Biomechanics, Ulm University Medical Center, Ulm, Germany
| | - Morten Vogt
- Institute of Orthopedic Research and Biomechanics, Ulm University Medical Center, Ulm, Germany
| | - Anita Ignatius
- Institute of Orthopedic Research and Biomechanics, Ulm University Medical Center, Ulm, Germany
| | - Rebecca Halbgebauer
- Institute of Clinical and Experimental Trauma-Immunology, Ulm University Medical Center, Ulm, Germany
| | - Lucas Bettac
- Department of Internal Medicine I, Ulm University Medical Center, Ulm, Germany
| | - Thomas F E Barth
- Institute of Pathology, Ulm University Medical Center, Ulm, Germany
| | - Markus Huber-Lang
- Institute of Clinical and Experimental Trauma-Immunology, Ulm University Medical Center, Ulm, Germany
| | - Annette Palmer
- Institute of Clinical and Experimental Trauma-Immunology, Ulm University Medical Center, Ulm, Germany
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11
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Slim AM, Fentanes E, Cheezum MK, Parsons IT, Maroules C, Chen B, Abbara S, Branch K, Nagpal P, Shah NR, Thomas DM, Villines TC, Blankstein R, Shaw LJ, Budoff M, Nicol E. The role of cardiovascular CT in occupational health assessment for coronary heart disease: An expert consensus document from the Society of Cardiovascular Computed Tomography (SCCT). J Cardiovasc Comput Tomogr 2021; 15:290-303. [PMID: 33926854 DOI: 10.1016/j.jcct.2021.03.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
| | | | | | | | | | - Billy Chen
- Cedars-Sinai Medical Center, Baldwin Park, CA, USA
| | - Suhny Abbara
- University of Texas Southwestern Medical Center, Dallas, TX, USA
| | | | - Prashant Nagpal
- University of Iowa Hospitals and Clinics, Iowa City, IA, USA
| | - Nishant R Shah
- Brown University Warren Alpert Medical School, Providence, RI, USA
| | - Dustin M Thomas
- Parkview Health, Parkview Research Center, Fort Wayne, IN, USA
| | - Todd C Villines
- University of Virginia Health System, Charlottesville, VA, USA
| | - Ron Blankstein
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | | | | | - Ed Nicol
- Royal Brompton Hospital, London, UK
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12
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Marsden MER, Vulliamy PED, Carden R, Naumann DN, Davenport RA. Trauma Laparotomy in the UK: A Prospective National Service Evaluation. J Am Coll Surg 2021; 233:383-394.e1. [PMID: 34015456 DOI: 10.1016/j.jamcollsurg.2021.04.031] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Accepted: 04/26/2021] [Indexed: 11/25/2022]
Abstract
BACKGROUND Trauma patients requiring abdominal operation have considerable morbidity and mortality, yet no specific quality indicators are measured in the trauma systems of the UK. The aims of this study were to describe the characteristics and outcomes of patients undergoing emergency abdominal operation and key processes of care. STUDY DESIGN A prospective multicenter service evaluation was conducted within all of the major trauma centers in the UK. The study was conducted during 6 months beginning in January 2019. Patients of any age undergoing laparotomy or laparoscopy within 24 hours of injury were included. Existing standards for related emergent conditions were used. RESULTS The study included 363 patients from 34 hospitals. The majority were young men with no comorbidities who required operation to control bleeding (51%). More than 90% received attending-delivered care in the emergency department (318 of 363) and operating room (321 of 363). The overall mortality rate was 9%. Patients with blunt trauma had a greater risk of death compared with patients with penetrating injuries (16.6% vs 3.8%; risk ratio 4.3; 95% CI, 2.0 to 9.4). Patients in which the Major Hemorrhage Protocol (MHP) was activated and who received a blood transfusion (n = 154) constituted a high-risk subgroup, accounting for 45% of the study cohort but 97% of deaths and 96% of blood components transfused. The MHP subgroup had expedited timelines from emergency department arrival to knife to skin (MHP: median 119 minutes [interquartile range 64 to 218 minutes] vs no MHP: median 211 minutes [interquartile range 135 to 425 minutes]; p < 0.001). CONCLUSIONS The majority of trauma patients requiring emergency abdominal operation received a high standard of expedited care in a maturing national trauma system. Despite this, mortality and resource use among high-risk patients remains considerable.
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Affiliation(s)
- Max E R Marsden
- Queen Mary University of London; Barts Health National Health Service Trust, The Royal London Hospital; Academic Department of Military Surgery and Trauma, Birmingham.
| | - Paul E D Vulliamy
- Queen Mary University of London; Barts Health National Health Service Trust, The Royal London Hospital
| | - Rich Carden
- Queen Mary University of London; Barts Health National Health Service Trust, The Royal London Hospital
| | - David N Naumann
- Academic Department of Military Surgery and Trauma, Birmingham; University Hospitals Coventry and Warwickshire National Health Service Trust, Coventry, UK
| | - Ross A Davenport
- Queen Mary University of London; Barts Health National Health Service Trust, The Royal London Hospital
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13
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Bar A, Lin G, Lazar LO, Blanka-Deak J, Khalayleh H, Pines G. Immediate Pneumothorax Diagnosis by Surgical Residents Using Portable Ultrasound. INNOVATIONS-TECHNOLOGY AND TECHNIQUES IN CARDIOTHORACIC AND VASCULAR SURGERY 2021; 16:152-156. [PMID: 33448887 DOI: 10.1177/1556984520978315] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVE Feasibility of diagnosis of pneumothorax using handheld ultrasound by non-radiologists shows inconsistent results. The aim of this study is to evaluate the feasibility and accuracy of portable ultrasound for immediate diagnosis of pneumothorax by general surgery residents who underwent short training. METHODS Patients who presented to the emergency department of a university hospital with suspected pneumothorax between 10/2018 and 12/2019 were included in the study. Patients underwent ultrasound in 2 points of each hemithorax. Sensitivity and specificity for pneumothorax diagnosis by ultrasound and physical examination were calculated and compared with chest computed tomography (CT). Patients in whom a chest tube was placed prior to ultrasound examination and those who did not undergo a CT scan were excluded from the study. RESULTS A total of 85 patients met the inclusion criteria. Mean age was 40.7 ± 20.2 years. Pneumothorax was found among 46 patients (54%) per chest CT, and of these, 21 (46%) underwent chest tube placement following imaging. Ultrasound showed the highest sensitivity and specificity (95.6% [95% confidence interval {CI} 85.16% to 99.47%] and 97.44% [95% CI 86.40% to 99.67%], respectively). Chest x-ray had the lowest sensitivity (47.8% [95% CI 32.89% to 63.05%]) for pneumothorax detection. Physical examination showed a moderate sensitivity and specificity (82.6% [95% CI 68.58% to 92.18%] and 77.89% [95% CI 60.67% to 88.87%], respectively) for the diagnosis of pneumothorax. CONCLUSIONS We found high accuracy rates of 2-point ultrasound in immediate pneumothorax diagnosis when performed by surgical residents who underwent a short ultrasound training. This is a fast and repeatable test, and has the potential for successful implementation in prehospital and military scenarios as well, minimizing unnecessary chest tube placements.
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Affiliation(s)
- Alon Bar
- 37601 Department of Surgery, Kaplan Medical Center, Rehovot and The Hebrew University Medical School, Jerusalem, Israel
| | - Guy Lin
- 37601 Department of Surgery, Kaplan Medical Center, Rehovot and The Hebrew University Medical School, Jerusalem, Israel
| | - Li Or Lazar
- 37601 Department of Surgery, Kaplan Medical Center, Rehovot and The Hebrew University Medical School, Jerusalem, Israel.,37601 Department of Thoracic Surgery, Kaplan Medical Center, Rehovot and The Hebrew University Medical School, Jerusalem, Israel
| | - Judit Blanka-Deak
- 37601 Department of Surgery, Kaplan Medical Center, Rehovot and The Hebrew University Medical School, Jerusalem, Israel
| | - Harbi Khalayleh
- 37601 Department of Surgery, Kaplan Medical Center, Rehovot and The Hebrew University Medical School, Jerusalem, Israel
| | - Guy Pines
- 37601 Department of Surgery, Kaplan Medical Center, Rehovot and The Hebrew University Medical School, Jerusalem, Israel.,37601 Department of Thoracic Surgery, Kaplan Medical Center, Rehovot and The Hebrew University Medical School, Jerusalem, Israel
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14
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FAST Performance in a Stationary versus In-Motion Military Ambulance Utilizing Handheld Ultrasound: A Randomized Controlled Study. Prehosp Disaster Med 2020; 35:632-637. [PMID: 32843108 DOI: 10.1017/s1049023x20001028] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
OBJECTIVE On-scene prehospital conditions and patient instability may warrant a during-transport ultrasound (US) exam. The objective of this study was to assess the effect of ambulance turbulence on the performance of the Focused Assessment with Sonography in Trauma (FAST) with a handheld US device. METHODS This was a randomized controlled trial in which participants were randomized to perform a FAST in either a stationary or an in-motion military ambulance. Participants were physicians and physician assistants (PAs) with previous FAST training. All exams were performed on an US phantom model. The primary outcome was FAST completion time, reported as a mean, in seconds. Secondary outcomes included image acquisition score (range of 0-24, reported as a mean), diagnostic accuracy (reported as sensitivity and specificity), and a post-participation survey with five-item Likert-type scales. RESULTS Twenty-seven participants performed 27 FASTs, 14 in the stationary ambulance and 13 in the in-motion ambulance. All participants obtained the four requisite views of the FAST. A significant difference was detected in image acquisition scores in favor of the stationary ambulance group (19.4 versus 16.7 [95% CI for difference, 0.9-4.4]; P <.01). Significant differences in survey items between groups were related to obtaining and maintaining US images and the exam conditions. There was not a difference in FAST completion time between groups (98.5 seconds versus 78.7 seconds [95% CI for difference, -13.5 seconds to 53.1 seconds]; P = .23). Sensitivity and specificity of FAST in the stationary ambulance was 85.7% (95% CI, 67.3%-96.0%) and 96.4% (95% CI, 81.7%-99.9%) versus 96.2% (95% CI, 80.4%-99.9%) and 100.0% (95% CI, 86.8%-100.0%) in the in-motion ambulance group (P = .21). CONCLUSION Vehicular motion did not affect FAST completion time and diagnostic accuracy; however, it did reduce FAST image acquisition scores. The results suggest timely and diagnostically accurate FASTs may be completed by experienced sonographers during moderate levels of ambulance turbulence. Further investigation assessing the utility and limitations of newer handheld US devices in various prehospital conditions is warranted.
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Cieslak JA, Jazmati T, Patel A, Chaudhry H, Kumar A, Contractor S, Shukla PA. Trauma CT evaluation prior to selective angiography in patients with traumatic injuries: negative predictive power and factors affecting its utility. Emerg Radiol 2020; 27:477-486. [PMID: 32399761 DOI: 10.1007/s10140-020-01779-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 04/13/2020] [Indexed: 10/24/2022]
Abstract
PURPOSE To evaluate the predictive power of arterial injury detected on contrast-enhanced CT (trauma CT (tCT)) imaging obtained prior to selective angiography for treatment of patients with traumatic abdominal and pelvic injuries. MATERIALS AND METHODS A retrospective chart review was performed of all patients who underwent angiography after undergoing contrast-enhanced CT imaging for the evaluation/treatment of traumatic injuries to the abdomen and pelvis between March 2014 and September 2018. Data collection included demographics, pertinent history and physical findings, CT and angiography findings, treatment information, and outcomes. RESULTS Eighty-nine (63 males, mean age = 45.8 ± 20.5 years) patients that were found to have 102 traumatic injuries on tCT and subsequently underwent angiography met inclusion criteria for this study. Sixty-four injuries demonstrated evidence of traumatic vascular injury on initial tCT. A negative tCT was able to predict subsequent negative angiography in 83% of cases (negative predictive power = 83%). The ability of tCT to rule out a positive finding on subsequent angiography was also 83% (sensitivity = 83%). The average systolic blood pressure and hemoglobin concentration at the time of tCT were higher in patients who had positive tCT than in patients with negative tCT (p < 0.05 and p < 0.01, respectively). The average time to angiography was greater in patients whom had subsequent negative angiography than the patients who had subsequent positive angiography (p < 0.05). CONCLUSION Contrast-enhanced CT imaging may be able to help stratify patients who may have subsequent negative angiograms. Hemodynamic factors may affect sensitivity of tCT. Shorter time to angiography may increase the chance of identifying the injury on subsequent angiography.
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Affiliation(s)
- John A Cieslak
- Division of Vascular and Interventional Radiology, Department of Radiology, Rutgers New Jersey Medical School, 185 South Orange Ave. MSB F-560, Newark, NJ, 07103, USA
- Division of Body Imaging, Department of Radiology, Rutgers New Jersey Medical School, 185 South Orange Ave. MSB F-560, Newark, NJ, 07103, USA
| | - Tarek Jazmati
- Division of Vascular and Interventional Radiology, Department of Radiology, Rutgers New Jersey Medical School, 185 South Orange Ave. MSB F-560, Newark, NJ, 07103, USA
- Division of Body Imaging, Department of Radiology, Rutgers New Jersey Medical School, 185 South Orange Ave. MSB F-560, Newark, NJ, 07103, USA
| | - Aesha Patel
- Division of Vascular and Interventional Radiology, Department of Radiology, Rutgers New Jersey Medical School, 185 South Orange Ave. MSB F-560, Newark, NJ, 07103, USA
| | - Humaira Chaudhry
- Division of Body Imaging, Department of Radiology, Rutgers New Jersey Medical School, 185 South Orange Ave. MSB F-560, Newark, NJ, 07103, USA
| | - Abhishek Kumar
- Division of Vascular and Interventional Radiology, Department of Radiology, Rutgers New Jersey Medical School, 185 South Orange Ave. MSB F-560, Newark, NJ, 07103, USA
| | - Sohail Contractor
- Division of Vascular and Interventional Radiology, Department of Radiology, Rutgers New Jersey Medical School, 185 South Orange Ave. MSB F-560, Newark, NJ, 07103, USA
| | - Pratik A Shukla
- Division of Vascular and Interventional Radiology, Department of Radiology, Rutgers New Jersey Medical School, 185 South Orange Ave. MSB F-560, Newark, NJ, 07103, USA.
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Ahern BJ, Monti JD, Naylor JF, Cronin AJ, Perreault MD. U.S. Army Combat Medic eFAST Performance with a Novel Versus Conventional Transducers: A Randomized, Crossover Trial. Mil Med 2020; 185:19-24. [PMID: 32074341 DOI: 10.1093/milmed/usz277] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Point-of-injury extended focused assessment with sonography in trauma (eFAST) may identify life-threatening torso hemorrhage and expedite casualty evacuation. The purpose of this study was to compare combat medic eFAST performance between the novel and conventional ultrasound (US) transducers. METHODS We conducted a randomized crossover trial. Medic participants, previously naïve to US, were randomized to the type of transducer first utilized. The primary outcome was eFAST completion time in seconds. Secondary outcomes included diagnostic accuracy, technical adequacy, and transducer ease-of-use rating. RESULTS Forty medics performed 160 eFASTs. We found a statistically significant difference in eFAST completion times in favor of conventional transducers (304 vs. 358 s; P = 0.03). There was no statistically significant difference between the conventional and novel transducers in terms of diagnostic accuracy (97.7% vs. 96.0%; P = 0.25) and technical adequacy (65% vs. 72.5%; P = 0.11). Median transducer ease-of-use rating (Likert 1-5 scale) was statistically significant in favor of the conventional transducers (5 vs. 4; P = < 0.001). CONCLUSIONS Extended focused assessment with sonography in trauma exam times was faster with the conventional transducers. Combat medics performed diagnostically accurate eFASTs with both transducer types in a simulated aid station setting after a brief training intervention. Conventional transducers were rated higher for ease-of-use.
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Affiliation(s)
- Brian J Ahern
- Madigan Army Medical Center, 9040 Jackson Avenue, Joint Base Lewis-McChord, WA 98431
| | - Jonathan D Monti
- The Henry M. Jackson Foundation for the Advancement of Military Medicine Inc., 9040 Jackson Avenue, Madigan Army Medical Center, Joint Base Lewis-McChord, WA 98431
| | - Jason F Naylor
- Madigan Army Medical Center, 9040 Jackson Avenue, Joint Base Lewis-McChord, WA 98431
| | - Aaron J Cronin
- Madigan Army Medical Center, 9040 Jackson Avenue, Joint Base Lewis-McChord, WA 98431
| | - Michael D Perreault
- Madigan Army Medical Center, 9040 Jackson Avenue, Joint Base Lewis-McChord, WA 98431
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The medical and operational impact of the deployment of a scanner within Role 2 in Mali for the French army. Injury 2020; 51:66-69. [PMID: 31591008 DOI: 10.1016/j.injury.2019.09.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 09/05/2019] [Accepted: 09/19/2019] [Indexed: 02/02/2023]
Abstract
INTRODUCTION According to the NATO classification, the difference between Role 2 and Role 2+ is the presence of extra diagnostic and therapeutic means, including the deployment of a scanner. The aim of this study is to analyze the impact of this deployment at the front, in the Gao French Role 2 (Mali). Our main hypothesis is that the presence of a scanner at the front improves the servicemen's diagnostic and therapeutic management abilities. Secondly that scanner holds strategic relevance by limiting the repatriation of servicemen on medical grounds. MATERIALS AND METHODS A prospective analytical observational study was conducted over 6 months within Gao's Role 2. All the French military patients who received a scanner were involved. The collected data was epidemiological, clinical and radiological in nature, and included the results from the scanner and data regarding the operational impact (repatriation). The principal judgment criterion was the rate of modification of the therapeutic decision. The secondary criterion was the modification of the repatriation decision on medical grounds. RESULTS Of the 45 patients examined, in 14 cases (31.1%), performing a scanner changed patients' therapeutic management in relation to the management, which would have been conducted in the scanner's absence. For 12 of these patients (85.7%), the indication of the scanner concerned visceral or cranium-spine pathologies. For 33 patients (73.3%), the scanner enabled diagnosis via the elimination of an organic injury or a severity criterion. The repatriation decision remained unchanged for many patients. DISCUSSION The scanner appears to be a significant factor in the initial therapeutic decision. Scanning made it possible to clarify the diagnosis and to better adapt the initial therapeutic decision. In contrast, the operational impact was null. The literature highlights the relevance of scanner in surgical abstention (limiting unnecessary operative procedures), and for the visceral, cranium-cerebral and spine pathologies in an emergency. CONCLUSION The scanner, a heavy logistic unit deployed within a forward surgical unit, holds therapeutic relevance for French servicemen's management with an important medical service provided for the therapeutic choices, although its operational impact has yet to be demonstrated.
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Qi X, Tian J, Sun R, Zhang H, Han J, Jin H, Lu H. Focused Assessment with Sonography in Trauma for Assessment of Injury in Military Settings: A Meta-analysis. Balkan Med J 2019; 37:3-8. [PMID: 31594286 PMCID: PMC6934008 DOI: 10.4274/balkanmedj.galenos.2019.2019.8.79] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 10/11/2019] [Indexed: 02/07/2023] Open
Abstract
Background Non-invasive, rapid, and precise assessment of injury in the military settings is extremely important, yet difficult. Focused assessment with sonography in trauma (FAST) is being increasingly employed for assessing the location and severity of injury and guiding further treatment strategy. However, the evidence regarding the utility of FAST in the military settings is scattered. Aims To evaluate the diagnostic performance of FAST in the assessment of injury in the military settings. Study Design Meta-analysis. Methods We identified all relevant papers via the PubMed, EMBASE, and Cochrane Library databases. We evaluated the quality of included studies by the Quality Assessment of Diagnostic Accuracy Studies-2 tool. We pooled the area under the curve (AUC), sensitivity, specificity, positive and negative likelihood ratios, and diagnostic odds ratio as the effect sizes, followed by evaluating the heterogeneity among the studies by p value and I2. Results Among the 39 papers, a total of six papers were included. The sample size ranged from 15 to 396. The AUC of FAST for assessing the injury was 0.85. The pooled sensitivity, specificity, positive and negative likelihood ratios, and diagnostic odds ratio were 0.66, 0.98, 33.1, 0.34, and 97, respectively. The heterogeneity among the studies was statistically significant (p=0.006, I2=78%). Conclusion FAST is potentially valuable for assessing injury in the military settings. Due to its high specificity, FAST may be appropriate to rule in significant injury. However, because of its poor sensitivity, the ability of FAST to rule out injury cannot be relied upon.
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Affiliation(s)
- Xingshun Qi
- Military Medical Research Group, General Hospital of Northern Theater Command Shenyang, Liaoning Province, China
- Meta-Analysis Interest Group, Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang, Liaoning Province, China
- Co-first authors
- Co-corresponding authors
| | - Jing Tian
- Military Medical Research Group, General Hospital of Northern Theater Command Shenyang, Liaoning Province, China
- Co-first authors
| | - Rui Sun
- Military Medical Research Group, General Hospital of Northern Theater Command Shenyang, Liaoning Province, China
| | - He Zhang
- Military Medical Research Group, General Hospital of Northern Theater Command Shenyang, Liaoning Province, China
| | - Jinsong Han
- Military Medical Research Group, General Hospital of Northern Theater Command Shenyang, Liaoning Province, China
| | - Hai Jin
- Military Medical Research Group, General Hospital of Northern Theater Command Shenyang, Liaoning Province, China
| | - Hui Lu
- Military Medical Research Group, General Hospital of Northern Theater Command Shenyang, Liaoning Province, China
- Co-corresponding authors
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Ritter J, O'Brien S, Rivet D, Gibb I, Grimes J, Hinds S, Jessinger R, May T, Wirt M, Shackelford S, Adam O, York G, Ritchie B, Flores R, Stockinger Z. Radiology: Imaging Trauma Patients in a Deployed Setting. Mil Med 2019; 183:60-64. [PMID: 30189060 DOI: 10.1093/milmed/usy063] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Indexed: 11/13/2022] Open
Abstract
Medical imaging plays a critical role in the rapid diagnosis, effective triage, and management of complex poly-trauma patients. High-quality medical imaging can be accomplished successfully in a deployed or wartime setting. Due to advances in aggressive resuscitation techniques and the speed of the latest generation computed tomography scanners (64-detector and beyond), rapid trauma scans utilizing computed tomography and ultrasound imaging can routinely be performed prior to taking the patient to the operating room potentially providing the trauma team with lifesaving information. This clinical practice guideline provides an overview of the imaging modalities available in austere settings, the equipment required, and the role that each plays in triaging and diagnosis of the acutely injured poly-trauma patients.
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Affiliation(s)
- John Ritter
- Joint Trauma System, 3698 Chambers Pass, Joint Base San Antonio, Fort Sam Houston, Texas
| | - Seth O'Brien
- Joint Trauma System, 3698 Chambers Pass, Joint Base San Antonio, Fort Sam Houston, Texas
| | - Dennis Rivet
- Joint Trauma System, 3698 Chambers Pass, Joint Base San Antonio, Fort Sam Houston, Texas
| | - Ian Gibb
- Joint Trauma System, 3698 Chambers Pass, Joint Base San Antonio, Fort Sam Houston, Texas
| | - Jamie Grimes
- Joint Trauma System, 3698 Chambers Pass, Joint Base San Antonio, Fort Sam Houston, Texas
| | - Sidney Hinds
- Joint Trauma System, 3698 Chambers Pass, Joint Base San Antonio, Fort Sam Houston, Texas
| | - Robert Jessinger
- Joint Trauma System, 3698 Chambers Pass, Joint Base San Antonio, Fort Sam Houston, Texas
| | - Todd May
- Joint Trauma System, 3698 Chambers Pass, Joint Base San Antonio, Fort Sam Houston, Texas
| | - Michael Wirt
- Joint Trauma System, 3698 Chambers Pass, Joint Base San Antonio, Fort Sam Houston, Texas
| | - Stacy Shackelford
- Joint Trauma System, 3698 Chambers Pass, Joint Base San Antonio, Fort Sam Houston, Texas
| | - Octavian Adam
- Joint Trauma System, 3698 Chambers Pass, Joint Base San Antonio, Fort Sam Houston, Texas
| | - Gerald York
- Joint Trauma System, 3698 Chambers Pass, Joint Base San Antonio, Fort Sam Houston, Texas
| | - Brittany Ritchie
- Joint Trauma System, 3698 Chambers Pass, Joint Base San Antonio, Fort Sam Houston, Texas
| | - Rebecca Flores
- Joint Trauma System, 3698 Chambers Pass, Joint Base San Antonio, Fort Sam Houston, Texas
| | - Zsolt Stockinger
- Joint Trauma System, 3698 Chambers Pass, Joint Base San Antonio, Fort Sam Houston, Texas
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Stengel D, Leisterer J, Ferrada P, Ekkernkamp A, Mutze S, Hoenning A. Point-of-care ultrasonography for diagnosing thoracoabdominal injuries in patients with blunt trauma. Cochrane Database Syst Rev 2018; 12:CD012669. [PMID: 30548249 PMCID: PMC6517180 DOI: 10.1002/14651858.cd012669.pub2] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND Point-of-care sonography (POCS) has emerged as the screening modality of choice for suspected body trauma in many emergency departments worldwide. Its best known application is FAST (focused abdominal sonography for trauma). The technology is almost ubiquitously available, can be performed during resuscitation, and does not expose patients or staff to radiation. While many authors have stressed the high specificity of POCS, its sensitivity varied markedly across studies. This review aimed to compile the current best evidence about the diagnostic accuracy of POCS imaging protocols in the setting of blunt thoracoabdominal trauma. OBJECTIVES To determine the diagnostic accuracy of POCS for detecting and excluding free fluid, organ injuries, vascular lesions, and other injuries (e.g. pneumothorax) compared to a diagnostic reference standard (i.e. computed tomography (CT), magnetic resonance imaging (MRI), thoracoscopy or thoracotomy, laparoscopy or laparotomy, autopsy, or any combination of these) in patients with blunt trauma. SEARCH METHODS We searched Ovid MEDLINE (1946 to July 2017) and Ovid Embase (1974 to July 2017), as well as PubMed (1947 to July 2017), employing a prospectively defined literature and data retrieval strategy. We also screened the Cochrane Library, Google Scholar, and BIOSIS for potentially relevant citations, and scanned the reference lists of full-text papers for articles missed by the electronic search. We performed a top-up search on 6 December 2018, and identified eight new studies which may be incorporated into the first update of this review. SELECTION CRITERIA We assessed studies for eligibility using predefined inclusion and exclusion criteria. We included either prospective or retrospective diagnostic cohort studies that enrolled patients of any age and gender who sustained any type of blunt injury in a civilian scenario. Eligible studies had to provide sufficient information to construct a 2 x 2 table of diagnostic accuracy to allow for calculating sensitivity, specificity, and other indices of diagnostic test accuracy. DATA COLLECTION AND ANALYSIS Two review authors independently screened titles, abstracts, and full texts of reports using a prespecified data extraction form. Methodological quality of individual studies was rated by the QUADAS-2 instrument (the revised and updated version of the original Quality Assessment of Diagnostic Accuracy Studies list of items). We calculated sensitivity and specificity with 95% confidence intervals (CI), tabulated the pairs of sensitivity and specificity with CI, and depicted these estimates by coupled forest plots using Review Manager 5 (RevMan 5). For pooling summary estimates of sensitivity and specificity, and investigating heterogeneity across studies, we fitted a bivariate model using Stata 14.0. MAIN RESULTS We included 34 studies with 8635 participants in this review. Summary estimates of sensitivity and specificity were 0.74 (95% CI 0.65 to 0.81) and 0.96 (95% CI 0.94 to 0.98). Pooled positive and negative likelihood ratios were estimated at 18.5 (95% CI 10.8 to 40.5) and 0.27 (95% CI 0.19 to 0.37), respectively. There was substantial heterogeneity across studies, and the reported accuracy of POCS strongly depended on the population and affected body area. In children, pooled sensitivity of POCS was 0.63 (95% CI 0.46 to 0.77), as compared to 0.78 (95% CI 0.69 to 0.84) in an adult or mixed population. Associated specificity in children was 0.91 (95% CI 0.81 to 0.96) and in an adult or mixed population 0.97 (95% CI 0.96 to 0.99). For abdominal trauma, POCS had a sensitivity of 0.68 (95% CI 0.59 to 0.75) and a specificity of 0.95 (95% CI 0.92 to 0.97). For chest injuries, sensitivity and specificity were calculated at 0.96 (95% CI 0.88 to 0.99) and 0.99 (95% CI 0.97 to 1.00). If we consider the results of all 34 included studies in a virtual population of 1000 patients, based on the observed median prevalence (pretest probability) of thoracoabdominal trauma of 28%, POCS would miss 73 patients with injuries and falsely suggest the presence of injuries in another 29 patients. Furthermore, in a virtual population of 1000 children, based on the observed median prevalence (pretest probability) of thoracoabdominal trauma of 31%, POCS would miss 118 children with injuries and falsely suggest the presence of injuries in another 62 children. AUTHORS' CONCLUSIONS In patients with suspected blunt thoracoabdominal trauma, positive POCS findings are helpful for guiding treatment decisions. However, with regard to abdominal trauma, a negative POCS exam does not rule out injuries and must be verified by a reference test such as CT. This is of particular importance in paediatric trauma, where the sensitivity of POCS is poor. Based on a small number of studies in a mixed population, POCS may have a higher sensitivity in chest injuries. This warrants larger, confirmatory trials to affirm the accuracy of POCS for diagnosing thoracic trauma.
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Affiliation(s)
- Dirk Stengel
- Unfallkrankenhaus BerlinCentre for Clinical Research, Department of Trauma and Orthopaedic SurgeryBerlinGermany12683
| | | | - Paula Ferrada
- Virginia Commonwealth UniversityDepartment of SurgeryRichmondVAUSA
| | - Axel Ekkernkamp
- University HospitalDepartment of Trauma and Reconstructive SurgeryGreifswaldGermany17475
| | - Sven Mutze
- Unfallkrankenhaus BerlinDepartment of Diagnostic and Interventional RadiologyWarener Str 7BerlinGermany12683
| | - Alexander Hoenning
- Unfallkrankenhaus BerlinCentre for Clinical Research, Department of Trauma and Orthopaedic SurgeryBerlinGermany12683
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21
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Faulconer ER, Davidson AJ, Bowley D, Galante J. Negative pressure temporary abdominal closure without continuous suction: a solution for damage control surgery in austere and far-forward settings. J ROY ARMY MED CORPS 2018; 165:163-165. [PMID: 30181381 DOI: 10.1136/jramc-2018-000998] [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: 06/07/2018] [Revised: 08/08/2018] [Accepted: 08/09/2018] [Indexed: 11/04/2022]
Abstract
The use of topical negative pressure dressings in temporary abdominal closure has been readily adopted worldwide; however, a method of continuous suction is typically required to provide a seal. We describe a method of temporary abdominal closure using readily available materials in the forward surgical environment which does not require continuous suction after application. This method of temporary abdominal closure provides the benefits of negative pressure temporary abdominal closure after damage control surgery without the need for continuous suction or specialised equipment. Its application in damage control surgery in austere or far-forward settings is suggested. The technique has potential applications for military surgeons as well as in humanitarian settings where the logistic supply chain may be fragile.
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Affiliation(s)
| | - A J Davidson
- Department of Trauma Surgery, University of California Davis Medical Center, Sacramento, California, USA
| | - D Bowley
- 16 Medical Regiment, Colchester, UK
| | - J Galante
- Department of Trauma Surgery, University of California Davis Medical Center, Sacramento, California, USA
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22
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Emergency department imaging of pediatric trauma patients during combat operations in Iraq and Afghanistan. Pediatr Radiol 2018; 48:620-625. [PMID: 29307034 DOI: 10.1007/s00247-017-4065-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2017] [Revised: 11/27/2017] [Accepted: 12/20/2017] [Indexed: 10/18/2022]
Abstract
BACKGROUND Military hospitals in Iraq and Afghanistan treated children with traumatic injuries during the recent conflicts. Diagnostic imaging is an integral component of trauma management; however, few published data exist on its use in the wartime pediatric population. OBJECTIVE The authors describe the emergency department (ED) utilization of radiology resources for pediatric trauma patients in Iraq and Afghanistan. MATERIALS AND METHODS We queried the Department of Defense Trauma Registry (DODTR) for all pediatric patients admitted to military fixed-facility hospitals in Iraq and Afghanistan from January 2007 to January 2016. We retrieved ED data on ultrasound (US), radiographic and computed tomography (CT) studies. RESULTS During the study period, there were 3,439 pediatric encounters, which represented 8.0% of all military hospital trauma admissions. ED providers obtained a total of 12,376 imaging studies on 2,920 (84.9%) children. Of the 12,376 imaging studies, 1,341 (10.8%) were US, 4,868 (39.3%) were radiographic and 6,167 (49.8%) were CT exams. Most children undergoing radiographic evaluation were boys (77.8%) and located in Afghanistan (70.4%), and they sustained penetrating injuries (68.0%). Children who underwent imaging had higher composite injury severity scores in comparison to those who did not undergo imaging (10 versus 9). CONCLUSION Military health care providers frequently utilized radiographic studies in the evaluation of pediatric trauma casualties in Iraq and Afghanistan. Deployed military hospitals that treat children would benefit from dedicated pediatric-specific imaging training and protocols.
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23
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Carter NJ, Gay D. FAST in the deployed military setting. J ROY ARMY MED CORPS 2018; 164:332-334. [PMID: 29643121 DOI: 10.1136/jramc-2018-000906] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Revised: 03/27/2018] [Accepted: 03/28/2018] [Indexed: 11/03/2022]
Abstract
INTRODUCTION Focused assessment with sonography in trauma (FAST) is historically an effective method of assessing the patient in the trauma bay in order to aid decision-making and optimise patient outcomes. However, in the UK civilian practice, the use of FAST may decline given a recent change in National Institute for Health and Care Excellence guidance as a result of improvement in CT availability and resuscitation techniques. METHOD In the Role 3 Medical Treatment Facility, Camp Bastion, 187 patients with trauma who received FAST in the trauma bay in 2014 were reviewed to determine the accuracy of FAST in the deployed environment. RESULTS The data demonstrates the sensitivity and specificity of FAST to be 75% and 99.3%, respectively. CONCLUSIONS This study demonstrates that FAST is accurate on operations. FAST is provided by the integrated radiologist as part of damage control radiology, which gives the team leader rapid diagnostic information to improve decision-making and ultimately patient outcomes. CT is heavily utilised in civilian practice; however, the military operates in a different environment often with multiple casualties and limited access to CT, as a result, portable ultrasound will continue to be a valuable tool on operations if used properly. The next challenge is to develop and maintain this high diagnostic accuracy in future deployments where the memories of our prior success may fade.
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Affiliation(s)
| | - D Gay
- Department of Musculoskeletal Radiology, Derriford Hospital, Plymouth, UK
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24
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Abstract
INTRODUCTION Whole body computed tomography has become standard practice in many centres in the management of severely injured trauma patients, however, the evidence for it's diagnostic accuracy is limited. AIM To assess the sensitivity of whole body CT in major trauma. METHOD Retrospective review of all patients with injury severity score (ISS) > 15 presenting with blunt trauma to a UK Major Trauma Centre between May 2012 and April 2014. Injuries were classified as per ISS score-1 = head and neck 2 = face 3 = chest 4 = abdomen. The authors reviewed patient's electronic charts, radiological results; interventional procedure records, discharge letters and outpatient follow up documentation and referenced this with Trauma Audit and Research Network data. RESULTS 407 patients with ISS > 15 presented to the Trauma centre during May 2012 and April 2014. Of these, 337 (82.8%) had a whole body CT scan. 246 pts were male, 91 were female. 74 (21.9%) were due to a fall from > 2 m, 41 (12.2%) due to a fall from < 2 m, 208 (61.7%) were due to motor vehicle crashes, 1 (0.3%) due to a blast injury, 5 (1.5%) due to blows, and 8 (2.4%) due to crush injuries. Sensitivity for Region 1 was 0.98, Region 2 = 0.98, Region 3 = 0.98 and Region 4 was 0.95. Overall sensitivity was 0.98. 15 injuries (2.4%) were not identified on initial CT (false -ve). These injuries were: colonic perforation = 1, splenic contusion = 1, pneumothorax = 1, liver laceration = 1, intracranial haemorrhage = 1, cerebral contusions = 1, spinal injuries = 7, canal haemorrhage = 1, maxilla fracture = 1. CONCLUSION These results show that whole body CT in trauma has a high sensitivity and a low rate of missed injuries (2.4%). However, our study only evaluated a subgroup of patients with ISS > 15 and further work is required to assess the use of this investigation for all major trauma patients.
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Affiliation(s)
- Susan Yoong
- Queen's Medical Centre, Derby Rd, Nottingham, NG7 2UH, UK.
| | - Ravi Kothari
- Queen's Medical Centre, Derby Rd, Nottingham, NG7 2UH, UK
| | - Adam Brooks
- Queen's Medical Centre, Derby Rd, Nottingham, NG7 2UH, UK
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25
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Akoglu H, Celik OF, Celik A, Ergelen R, Onur O, Denizbasi A. Diagnostic accuracy of the Extended Focused Abdominal Sonography for Trauma (E-FAST) performed by emergency physicians compared to CT. Am J Emerg Med 2017; 36:1014-1017. [PMID: 29146418 DOI: 10.1016/j.ajem.2017.11.019] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Revised: 11/04/2017] [Accepted: 11/08/2017] [Indexed: 11/17/2022] Open
Abstract
INTRODUCTION The diagnostic accuracy of the FAST exam performed by EM residents were shown to be similar to radiology residents. However, in the last 2 decades, an extended-FAST (E-FAST) protocol including thoracic examination to exclude pneumo- and hemothorax was introduced. The accuracy of emergency physicians (EPs) while performing E-FAST is a less studied area, especially in Europe. The aim of this study was to compare the diagnostic accuracy of the E-FAST exam performed by EM residents with the results of CT scan as a gold standard. METHODS This was a prospective, observational, diagnostic accuracy study conducted at the ED of a Level 1 Trauma Center. All consecutive adult multiple trauma patients were eligible, and any patient in whom thoraco-abdominal CT was ordered were recruited. Unstable and unavailable patients were excluded. E-FAST examination was performed by EPs as the index test, and CT examinations reported by a blinded academic radiology faculty was the gold standard. RESULTS A total of 140 patients were recruited from eligible 144 patients. The final study population was 132 for abdominal and 130 for thorax examinations. In this study, AUC of E-FAST was 0.71 for abdominal free fluid, 0.87 for pneumothorax and 1.00 for pleural effusion. The sensitivity was 42.9% and specificity was 98.4%. The +LR for abdominal free fluid was 26.8 and -LR was 0.58. CONCLUSION E-FAST examination has an excellent specificity. However, the sensitivity of the test is not high enough to rule-out thoraco-abdominal injuries in trauma patients when performed by EPs.
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Affiliation(s)
- Haldun Akoglu
- Marmara University Faculty of Medicine, Department of Emergency Medicine, Istanbul, Turkey.
| | - Omer Faruk Celik
- Marmara University Faculty of Medicine, Department of Emergency Medicine, Istanbul, Turkey
| | - Ali Celik
- Marmara University Faculty of Medicine, Department of Emergency Medicine, Istanbul, Turkey
| | - Rabia Ergelen
- Marmara University Faculty of Medicine, Department of Radiology, Istanbul, Turkey
| | - Ozge Onur
- Marmara University Faculty of Medicine, Department of Emergency Medicine, Istanbul, Turkey
| | - Arzu Denizbasi
- Marmara University Faculty of Medicine, Department of Emergency Medicine, Istanbul, Turkey
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Savatmongkorngul S, Wongwaisayawan S, Kaewlai R. Focused assessment with sonography for trauma: current perspectives. Open Access Emerg Med 2017; 9:57-62. [PMID: 28794661 PMCID: PMC5536884 DOI: 10.2147/oaem.s120145] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Focused assessment with sonography for trauma (FAST) is a part of resuscitation of trauma patients recommended by international panel consensus. The purpose of FAST is to identify free fluid, which necessarily means blood in acute trauma patients. In this article, the authors focused on various aspects of FAST in the emergency department, prehospital care, pediatric setting, training and general pearls/pitfalls. Detailed techniques and interpretation of FAST are beyond the scope of this article.
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Affiliation(s)
| | - Sirote Wongwaisayawan
- Division of Emergency Radiology, Department of Diagnostic and Therapeutic Radiology, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Rathachai Kaewlai
- Division of Emergency Radiology, Department of Diagnostic and Therapeutic Radiology, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
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27
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Cullinane C, Gudyma J, McArdle G. Emergency splenectomy postelective colonoscopy. BMJ Case Rep 2017; 2017:bcr-2016-219083. [PMID: 28473360 DOI: 10.1136/bcr-2016-219083] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Colonoscopy is the gold standard for investigation of colorectal carcinoma and inflammatory bowel disease. Splenic injury is a rare but potentially fatal complication of colonoscopy. The present case study outlines the early clinical presentation and rapid deterioration of a patient with a splenic injury after an elective colonoscopy. A 70-year-old female underwent a colonoscopy for investigation of altered bowel habit. The procedure was documented as difficult due to the presence of 'stiff loopy colon'. In recovery, patient's condition deteriorated and she was moved to the ward for further assessment. She gradually became haemodynamically unstable and displayed signs of peritoneal irritation. Initial attempts of fluid resuscitation failed to improve patient's clinical condition. Further testing revealed a significant drop in haemoglobin and CT confirmed the diagnosis of a splenic rupture. She underwent an emergency splenectomy that evening. Postoperatively she was managed in the high dependency unit.
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Affiliation(s)
| | - Jaroslaw Gudyma
- General Surgery, Daisy Hill Hospital, Newry, County Down, UK
| | - Gerarde McArdle
- General Surgery, Daisy Hill Hospital, Newry, County Down, UK
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28
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Richards JR, McGahan JP. Focused Assessment with Sonography in Trauma (FAST) in 2017: What Radiologists Can Learn. Radiology 2017; 283:30-48. [DOI: 10.1148/radiol.2017160107] [Citation(s) in RCA: 92] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- John R. Richards
- From the Departments of Emergency Medicine (J.R.R.) and Radiology (J.P.M.), University of California, Davis Medical Center, 4860 Y St, Sacramento, CA 95817
| | - John P. McGahan
- From the Departments of Emergency Medicine (J.R.R.) and Radiology (J.P.M.), University of California, Davis Medical Center, 4860 Y St, Sacramento, CA 95817
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29
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Falzone E, Pasquier P, Hoffmann C, Barbier O, Boutonnet M, Salvadori A, Jarrassier A, Renner J, Malgras B, Mérat S. Triage in military settings. Anaesth Crit Care Pain Med 2017; 36:43-51. [DOI: 10.1016/j.accpm.2016.05.004] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2015] [Revised: 04/05/2016] [Accepted: 05/16/2016] [Indexed: 11/30/2022]
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30
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Sjogren AR, Leo MM, Feldman J, Gwin JT. Image Segmentation and Machine Learning for Detection of Abdominal Free Fluid in Focused Assessment With Sonography for Trauma Examinations: A Pilot Study. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2016; 35:2501-2509. [PMID: 27738293 PMCID: PMC7929643 DOI: 10.7863/ultra.15.11017] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Accepted: 02/04/2016] [Indexed: 06/06/2023]
Abstract
The objective of this pilot study was to test the feasibility of automating the detection of abdominal free fluid in focused assessment with sonography for trauma (FAST) examinations. Perihepatic views from 10 FAST examinations with positive results and 10 FAST examinations with negative results were used. The sensitivity and specificity compared to manual classification by trained physicians was evaluated. The sensitivity and specificity (95% confidence interval) were 100% (69.2%-100%) and 90.0% (55.5%-99.8%), respectively. These findings suggest that computerized detection of free fluid on abdominal ultrasound images may be sensitive and specific enough to aid clinicians in their interpretation of a FAST examination.
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Affiliation(s)
| | - Megan M Leo
- Boston Medical Center, Boston, Massachusetts USA
- Boston University School of Medicine, Boston, Massachusetts USA
| | - James Feldman
- Boston Medical Center, Boston, Massachusetts USA
- Boston University School of Medicine, Boston, Massachusetts USA
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31
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Legrand M, Russell R. What's new in focused assessment with sonography: ballistic trauma. Intensive Care Med 2016; 42:1787-1789. [PMID: 27289358 DOI: 10.1007/s00134-016-4417-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Accepted: 06/01/2016] [Indexed: 11/28/2022]
Affiliation(s)
- Matthieu Legrand
- Department of Anaesthesiology and Critical Care and Burn Unit, Hôpital St-Louis Assistance Publique-Hôpitaux de Paris (AP-HP), 75010, Paris, France. .,University of Paris Diderot, Paris, France. .,U-942 INSERM, 75475, Paris, France.
| | - Rob Russell
- Academic Department of Military Emergency Medicine, Royal Centre for Defence Medicine, ICT Building, Birmingham Research Park, Vincent Drive, Birmingham, B15 2SQ, UK
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32
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Marsden MER, Sharrock AE, Hansen CL, Newton NJ, Bowley DM, Midwinter M. British Military surgical key performance indicators: time for an update? J ROY ARMY MED CORPS 2015; 162:373-378. [DOI: 10.1136/jramc-2015-000521] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Accepted: 10/20/2015] [Indexed: 11/03/2022]
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