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Aims: During out-of-hospital cardiac arrest (OHCA), an automatic external defibrillator (AED) analyzes the cardiac rhythm every two minutes; however, 80% of refibrillations occur within the first minute post-shock. We have implemented an algorithm for Analyzing cardiac rhythm While performing chest Compression (AWC). When AWC detects a shockable rhythm, it shortens the time between analyses to one minute. We investigated the effect of AWC on cardiopulmonary resuscitation quality., Method: In this cross-sectional study, we compared patients treated in 2022 with AWC, to a historical cohort from 2017. Inclusion criteria were OHCA patients with a shockable rhythm at the first analysis. Primary endpoint was the chest compression fraction (CCF). Secondary endpoints were cardiac rhythm evolution and survival, including survival analysis of non-prespecified subgroups., Results: In 2017 and 2022, 355 and 377 OHCAs met the inclusion criteria, from which we analyzed the 285 first consecutive cases in each cohort. CCF increased in 2022 compared to 2017 (77% [72-80] vs 72% [67-76]; P < 0.001) and VF recurrences were shocked more promptly (53 s [32-69] vs 117 s [90-132]). Survival did not differ between 2017 and 2022 (adjusted hazard-ratio 0.96 [95% CI, 0.78-1.18]), but was higher in 2022 within the sub-group of OHCAs that occurred in a public place and within a short time from call to AED switch-on (adjusted hazard ratio 0.85[0.76-0.96])., Conclusions: OHCA patients treated with AWC had higher CCF, shorter time spent in ventricular fibrillation, but no survival difference, except for OHCA that occurred in public places with short intervention time., Competing Interests: Declaration of competing interest The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: “Sarah Menetre reports a relationship with Schiller Medical France that includes: employment. Jean-Philippe Didon reports a relationship with Schiller Medical France that includes: employment. Xavier Jouven reports a relationship with Schiller Medical France that includes: funding grants. If there are other authors, they declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.”, (Copyright © 2024. Published by Elsevier B.V.)

Russia's invasion of Ukraine has triggered the biggest conflict in Europe since the Second World War. It has forced countries to prepare for engagement on a massive scale, namely, a high-intensity war between nation states. A potential massive influx of wounded personnel risks saturating logistical supply chains and requires changes to not only medical care but also a paradigm shift. In this context, the principle of distributive justice is key. The aim is to save as many lives as possible through triage, which consists in "doing the greatest good for the greatest number." This idea is fundamental, as an emergency that has passed is no longer an emergency. However, international texts and treaties not only underline that the sole criterion for triage is clinical severity, but they also fail to take into account the patient's status (civilian, friend, and foe). In a high-intensity warfare situation, these texts, and the medical-surgical triage criteria they provide are insufficient, as caregivers may be required to make decisions based on the status of the patient. The need to make such choices could cause psychological suffering among military caregivers, as individuals are recurrently faced with difficult ethical dilemmas. One way to prevent this happening is to provide predeployment training in wartime medical ethics. The latter would include both instruction in international humanitarian law and practical simulations of clinical situations where the person is faced with an ethical dilemma., (© The Association of Military Surgeons of the United States 2024. All rights reserved. For commercial re-use, please contact reprints@oup.com for reprints and translation rights for reprints. All other permissions can be obtained through our RightsLink service via the Permissions link on the article page on our site–for further information please contact journals.permissions@oup.com.)

Abstract: Tranexamic acid is an inexpensive antifibrinolytic treatment that reduces morbidity and mortality in civilian and military trauma patients. It must be administered within 3 hours of the injury, and its efficacy is greater the earlier it is given. It is already used preventively in the civilian environment in a number of indications to reduce bleeding and bleeding-related mortality. We wondered about the potential benefits of preventive oral administration of tranexamic acid prior to an assault for military personnel with a potential risk of injury., (Copyright © 2024 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of the American Association for the Surgery of Trauma.)

We report the case of a patient suffering from a chemical burn caused by white phosphorus, for whom initial management required decontamination using multimodal analgesia. This case report should be familiar to other military emergency physicians and Tactical Emergency Medical Support for two reasons: 1) A phosphorus burn occurs from a chemical agent rarely encountered, with minimal research available in the medical literature, despite the use of this weapon in the recent Ukrainian conflict, and 2) We discuss the use of multimodal analgesia, combining loco-regional anesthesia (LRA) and an intranasal pathway, which can be used in a remote and austere environment., (2023.)

Introduction: The Military Physical and Sports Training program was developed by the French Army in order to train, optimize, and maintain individual readiness. Although the health benefits of sport practice do not need to be demonstrated, such activities can cause acute musculoskeletal injuries that need to be addressed. The prevalence of lower limb injury is rather high in the French military population and, in particular, ranges from 15 to 45% during Special Forces selection courses. Thus, this project aims to investigate the efficiency of a body-centered program designed to enhance body awareness. The program seeks to train the mind to actively pay attention to body information, while the latter is viewed as a protective factor against fall injuries. We assume: (i) that postural control can be improved by enhancing the level of body awareness; and (ii) that greater postural awareness could be beneficial in reducing the risk of fall injuries. The body-centered prevention program is based on the Optimization of the Resources of the Armed Forces (ORAF) intervention, which focuses on mental preparation and recovery, and has been deployed in the French Army for many years., Method and Analyses: The study focuses on five French Special Forces selection courses (400 soldiers/ participants). It is divided into two stages (year 1, year 2). The first year is dedicated to data collection from the control group (200 participants), while in the second year the ORAF intervention will be deployed. In both year, participants will be subjected to the same enrollment schedule (Fig 3). The main objective is to evaluate the effectiveness of the ORAF intervention in reducing the rate of fall injuries during military selection, based on a multidisciplinary method that captures demographic, biological, biometric, clinical, and para-clinical measures., Trial Registration: Registration number: IDRCB number 2021-A02108-33, Clinical Trial: NCT05451394., Competing Interests: The authors have declared that no competing interests exist., (Copyright: © 2023 Obligi et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.)

BACKGROUND: Many current cell phone (mobile phone, smartphone) batteries are lithium-ion. These batteries can overheat and catch fire under certain conditions. If it happens during a flight or air activity, this might compromise aviation safety. We report a case of a man whose phone caught fire during a parachute jump. CASE REPORT: The individual, a member of Police Special Forces, is required to regularly perform parachute jumps. During the incident flight, the man had a cell phone in a pocket that ignited during the jump. He was able to land and then extract the phone with burns requiring acute medical care and later a skin graft. DISCUSSION: This is a cautionary tale of lithium-ion batteries in flight. Many other situations could also occur with these batteries. There is little medical documentation of the risk of fire with lithium-ion batteries causing injuries during flight operations. To reduce the risk of fire, the devices should be powered down and phones should not be worn directly touching the skin. Damaged devices are more prone to overheating. des Robert V, Saint-Jean L, Corcostegui S-P, Romary E, and Derkenne C. Burnt by his cellphone during a parachute jump . Aerosp Med Hum Perform. 2023; 94(10):792-795.

Background: Prehospital transfusion is a way of improving the management of hemorrhagic shock. In France, prehospital transfusion is struggling to develop, both because of logistical difficulties and particularly restrictive legislation. To comply with this, we propose to store the blood products (BPs) in ground ambulances with refrigerated boxes allowing remote continuous monitoring of storage conditions, called "NelumBox" (Tec4med Lifescience GmbH). To open them, the ambulance's team needs a code that is only given by the Transfusion Center if the request meets all required regulatory criteria., Study Design and Methods: We conducted a prospective simulation-based feasibility study using dummy BPs. Two ambulances were equipped. Simulations were triggered unexpectedly, including during on-call hours. The ability to quickly access the BPs was the main judgment criterion. The quality of hemovigilance during these simulations was also examined., Results: Twenty-two simulations were performed. The ambulance's team was able to access the BPs in 100% of cases. The average waiting time for receiving the unlocking code was 5 min 27 s (SD = 2 min 12 s, MAX = 12 min 00 s). The transfusion traceability was compliant with regulations in 100% of cases. The transfusion center was able to remotely monitor BPs storage conditions for the entire duration of their stockage in the NelumBox., Discussion: The present procedure is efficient, repeatable, and fast. It guarantees a strict transfusion safety without slowdown a severe trauma management, while complying with French regulations., (© 2023 AABB.)

Background: Major bleeding is the leading cause of preventable mortality among trauma patients. Several studies have recently shown that prehospital plasma transfusion improves the outcomes of severely injured patients. Although no consensus has been reached, prehospital transfusion is regularly considered to reduce avoidable mortality. The objective was to assess the status of prehospital transfusion practices in France., Study Design and Methods: A national survey among the 378 advance life support emergency teams (SMURs) in metropolitan France was conducted from December 15, 2020 to October 31, 2021. A questionnaire was distributed by e-mail to the physicians in charge of SMURs. The questions addressed the transfusion modalities, labile blood products (LBPs) used, and limitations encountered in implementing transfusion., Results: The response rate was 48%, and 82% of the respondents performed prehospital transfusions. A designated pack was used by 44% of the respondents. The LBPs used were packed red blood cells (100%), of which 95% were group 0 RH:-1, fresh frozen plasma (27%), lyophilized plasma (7%), and platelets (1%). The LBPs were transported in isothermal boxes (97%) without temperature monitoring in 52% of the cases. Nontransfused LBPs were discarded in 43% of the cases. Reported limitations in implementing transfusion were the delivery time (45%), loss of LBPs (32%), and lack of evidence (46%)., Discussion: Prehospital transfusion was developed in France but access to plasma remains difficult. Protocols allowing the reutilization of LBPs and improving conservation could limit the waste of a rare resource. Implementing the use of lyophilized plasma could facilitate prehospital transfusion. Future studies will need to specify the role of each LBP in the prehospital setting., (© 2023 AABB.)

Objective: Since 2013, the French Armed Forces have been engaged in the Sahel. The aim of our work was to study the characteristics of severe patients evacuated according to the composition of the air medical staff (ie, an anesthesiologist/intensive care physician [AICP] or an emergency physician [EP])., Methods: This was a retrospective cohort analysis including all French service members repatriated from the Sahel with a speedy evacuation priority between 2013 and 2019., Results: A total of 191 patients were evacuated. The causes were trauma for 103 patients and disease for 88. Trauma patients included war injuries (n = 58) and nonbattle injuries (n = 44). For disease patients, the main pathologies were cardiovascular (n = 17), infectious (n = 17), neurologic (n = 15), and gastrointestinal (n = 12). Highly dependent patients were significantly (P < .001) more likely to be managed by an AICP (n = 41) than an EP (n = 5). Moderately dependent patients managed by an AICP (n = 51) were more frequently unstable hemodynamically (n = 5 vs. n = 0, P < .05) and referred to an intensive care unit (n = 24 vs. n = 2, P < .001) than those managed by an EP (n = 41). There were no deaths in flight., Conclusion: Greater use of EPs, especially for transporting stabilized patients, would provide more personnel trained in long-distance air transport., (Copyright © 2022 Air Medical Journal Associates. Published by Elsevier Inc. All rights reserved.)

Introduction: Tactical triage replaces primary triage in the exclusion zone in mass murder or terrorist events to prioritize victims requiring life-saving interventions (LSIs) and/or rapid extraction in an environment with a lack of resources and under active threat. French gendarmerie tactical unit medical teams use triage bracelets during mass casualty incidents (MCIs). This study assessed the value of these bracelets in the tactical triage performance of nonhealthcare combat rescue operators in an MCI simulation., Objectives: To compare triage performance with and without the use of bracelets based on categorization accuracy, LSIs, and time to end triage., Materials and Methods: Two groups of operators were randomly assigned to participate in an MCI simulation alone (10 simulated patients) with (intervention group) or without (control) bracelets. The primary outcome was triage performance assessed by the mass casualty triage performance assessment tools. The results were measured based on the LSI required, triage category, and time of completion of the task. Secondary outcomes were operator-perceived stress and self-efficacy., Results: Eleven operators (intervention group n = 5, control group n = 6) participated. Triage performance, based on a maximum score of 90, was better for the intervention group [72.200 (SD = 10.330) vs. 57.000 (SD = 12.961), P = .045]. Self-efficacy was increased after the simulation in the intervention group [45.00 47.2 (SD = 4.147) vs. 50.400 (SD = 5.505), P = .034)]., Conclusions: This is the first study to show the best triage performance among nonhealthcare combat rescuers using triage bracelets in an MCI simulation. The small sample size did not allow for external validity of the results. The initially calculated number of participants (N = 12) was not reached for operational reasons. The use of bracelets may have a place in the medico-organizational act of tactical triage during MCIs in exclusion zones. Further studies should be conducted to assess the value of triage bracelets by other first responders, including physician-nurse teams., (© The Association of Military Surgeons of the United States 2022. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.)

Introduction: The doctrine of medical support during French military operations is based on a triptych: forward medical stabilization, forward damage control surgery, and early strategic aeromedical evacuation (Strategic-AE). The aim of this study was to describe the last piece, the evacuation process of the French Strategic-AE., Methods: We conducted a retrospective cohort analysis using patient records from 2015 to 2017. All French service members requiring an air evacuation from a foreign country to a homeland medical facility were included. Data collected included age, medical diagnosis, priority categorization, boarding location, distance from Paris, type of plane and flight, medical team composition, timeline, and dispatch at arrival., Results: We analyzed 2,129 patients evacuated from 71 countries, most from Africa (1,256), the Middle East (382), and South America (175). Most patients (1,958) were not severely injured, although some considered priority (103) or urgent (68). Diagnoses included disease (48.6%), nonbattle injuries (43%), battle stress (5.3%), and battle injuries (3%). 246 Strategic-AE used medical teams in flight, 136 of them in a dedicated Falcon aircraft. The main etiologies for those evacuations were battle injuries (24%), cardiovascular (15.4%), infections (8%), and neurologic (7.3%). The median time of management for urgent patients was about 16 hours but longer for priority patients (26 hours). Once in France, 1,146 patients were admitted to a surgery department and 96 to an intensive care unit., Conclusion: This is the first study to analyze the French Strategic-AE system, which is doctrinally unique when compared to its North Atlantic Treaty Organization allies. North Atlantic Treaty Organization allies favor care in the theatre in place of the French early Strategic-AE. However, in the event of a high intensity conflict, a combination of these two doctrines could be useful., (© Association of Military Surgeons of the United States 2019. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.)

We report the case of a French soldier deployed in Chad, who developed disabling pollakiuria after starting antimalarial prophylaxis by doxycycline. This rare secondary effect is not mentioned in reference books.

A problem of community-acquired Staphylococcus aureus skin infections emerged in the French armed forces in 2004, in a malaria-endemic areas. The high incidence rate led us to evaluate military staff practices. This was a cross-sectional survey of doctors and nurses deployed as officers in French Guyana since 2006. The definition of skin and soft-tissue infection came from the criteria for epidemiological surveillance of the armed forces. We studied the management of antibiotic therapy and its related difficulties. In all, 47 officers responded. At the Military Medical Center (MMC), 23.4% of respondents routinely prescribed antibiotics, compared with 36.2% when stationed in the jungle (p<0.05%). Complication led 68.1 of staff to prescribe antibiotic prescriptions at the MMC, compared with 46.8% in the jungle (p<0.05%). Finally, 22.5% of those at MMC prescribed antibiotic coverage of surgical drainage, compared with 14.8% in the jungle (p<0.05%). Pristinamycin and fusidic acid were the preferred antibiotics. Two-thirds of the staff reported difficulties in jungle management. This first study indicates the need for an update of military medical recommendations. Personnel training must continue to enable them to provide appropriate aggressive management in the current endemic context.

Wounded soldier pre hospital covering: the forward medicalisation. Forward medicalisation is, for French medical service, the first link of wounded soldier all round chain, whose goal is the more precocity arrival in a military hospital on national field after has been done the necessary measures for the survival and prevention of sequelae during all this chain. This forward medicalisation is based on the experiences of anterior conflicts and modern medical technical evolution. It works around combat casualties care, declined in three competences levels. Under enemy fire, each soldier is capable of implementing first combat casualties care level. A second level corresponds for producing of rescue technical acts by specifically trained personals, until the arrival of a medical staff witch is most of the time a doctor and a nurse. This pair, trained at the third combat casualties care level, is able to apply forward reanimation acts and to prepare the evacuation of the wounded in direction to the first surgical field team., Competing Interests: Les auteurs déclarent n’avoir aucun lien d’intérêts.

A tropical forest is a hostile environment for humans. The military physician supporting these immersion activities must cope with varied clinical situations with limited resources to reduce operational unavailability. This article reports a prospective cross-sectional epidemiologic study conducted from January to May 2012, observing the daily activity at sick call during the rainy season at the tropical forest training center (CEFE) advanced jungle commando training, located in French Guyana. The aim was to observe the distribution of traumatic injuries and specific diseases in this tropical environment. In all, 9,221 army staff members participated in the training (mean age: 30.8 years) during the 120-day study period. There were 486 medical visits, for a mean daily incidence of 5.3% (trainees: 83.8%, trainers: 16.5%). Skin lesions were most frequent (39%), principally irritative dermatitis and skin maceration (moisture/dressing associated dermatitis). A third (34%) of these conditions were due to trauma, mainly limb contusions and ligament injuries. Tropical diseases accounted for 3% of the reasons for consultation, with rare problems related to equatorial fauna or flora. The remaining conditions (24%) were not specific to the environment or activity. Operational attrition averaged five days. Removal from the training course was necessary in 13.8% of the cases. In an isolated area with a demanding environment , edical practice in a tropical forest requires health prevention actions and close medical follow-up. The permanent presence of a physician provides both care and expertise and is an important asset for both trainees and trainers.