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Sandhu A, Claireaux HA, Downes G, Grundy N, Naumann DN. Emergency first responder management of combat injuries to the torso in the military, remote and austere settings. BMJ Mil Health 2022; 168:478-482. [PMID: 32229552 DOI: 10.1136/bmjmilitary-2020-001460] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 03/14/2020] [Indexed: 11/04/2022]
Abstract
Traumatic injuries to the torso account for almost a quarter of all injuries seen in combat and are typically secondary to blast or gunshot wounds. Injuries due to road traffic collisions or violence are also relatively common during humanitarian and disaster relief efforts. There may also be multiple injured patients in these settings, and surgical care may be limited by a lack of facilities and resources in such a non-permissive environment. The first responder in these scenarios should be prepared to manage patients with severe injuries to the torso. We aim to describe the management of these injuries in the military and austere environment, within the scope of practice of a level 5 registered prehospital practitioner.
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Affiliation(s)
| | - H A Claireaux
- 4 Armoured Medical Regiment, Royal Army Medical Corps, Tidworth, UK
| | - G Downes
- 1 Armoured Medical Regiment, Royal Army Medical Corps, Tidworth, UK
| | - N Grundy
- 1 Armoured Medical Regiment, Royal Army Medical Corps, Tidworth, UK
| | - D N Naumann
- Academic Department of Military Surgery and Trauma, Birmingham, UK
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2
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Korkmaz İ, Çelikkaya M, Atıcı A, Dirican E. Imaging in paediatric blast injuries: musculoskeletal injuries in the Syrian Civil War. Clin Radiol 2022; 77:522-528. [DOI: 10.1016/j.crad.2022.03.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 03/23/2022] [Indexed: 11/03/2022]
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3
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Bumbaširević M, Matić S, Palibrk T, Glišović Jovanović I, Mitković M, Lesić A. Mangled extremity- Modern concepts in treatment. Injury 2021; 52:3555-3560. [PMID: 33766434 DOI: 10.1016/j.injury.2021.03.028] [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: 03/05/2021] [Accepted: 03/09/2021] [Indexed: 02/02/2023]
Abstract
A mangled extremity is the most devastating limb injury and presents a challenge for the orthopedic surgeon. There are two main treatment options, reconstruction or amputation, but sometimes indications for either are not clear. There are many pro and contra arguments for both options. To make the decision easier numerous score systems have been introduced, but the final decision is based on the judgment and experience of the treating surgeon. Early extremity reconstruction appears to give better results than delayed or late reconstruction and should be the treatment of choice where possible. The goal in reconstruction of a lower extremity is to restore and maintain balance and ambulation, while restoration of an upper extremity's numerous functions is more demanding. In this paper the authors describe and suggest treatment approaches in patients with a severely mangled extremity, including assessment and treatment of all injured tissues, using defined protocols, with special attention to bone stabilization, revascularization, soft-tissue coverage and nerve reconstruction. These have a great impact on the outcome and function of the injured extremity. Rehabilitation and return to the preinjury level is slow and sometimes uncertain.
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Affiliation(s)
- M Bumbaširević
- School of Medicine, University of Belgrade; Clinic for orthopedic surgery and traumatology, Clinical Centre of Serbia; Serbian Academy of Sciences and Arts, Belgrade
| | - S Matić
- School of Medicine, University of Belgrade; Clinic for orthopedic surgery and traumatology, Clinical Centre of Serbia
| | - T Palibrk
- School of Medicine, University of Belgrade; Clinic for orthopedic surgery and traumatology, Clinical Centre of Serbia
| | | | - M Mitković
- Clinic for orthopedic surgery and traumatology, Clinical Centre Nis
| | - A Lesić
- School of Medicine, University of Belgrade; Clinic for orthopedic surgery and traumatology, Clinical Centre of Serbia
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4
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Kim JH, Ko IK, Jeon MJ, Kim I, Vanschaayk MM, Atala A, Yoo JJ. Pelvic floor muscle function recovery using biofabricated tissue constructs with neuromuscular junctions. Acta Biomater 2021; 121:237-249. [PMID: 33321220 DOI: 10.1016/j.actbio.2020.12.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 12/06/2020] [Accepted: 12/08/2020] [Indexed: 01/01/2023]
Abstract
Damages in pelvic floor muscles often cause dysfunction of the entire pelvic urogenital system, which is clinically challenging. A bioengineered skeletal muscle construct that mimics structural and functional characteristics of native skeletal muscle could provide a therapeutic option to restore normal muscle function. However, most of the current bioengineered muscle constructs are unable to provide timely innervation necessary for successful grafting and functional recovery. We previously have demonstrated that post-synaptic acetylcholine receptors (AChR) clusters can be pre-formed on cultured skeletal muscle myofibers with agrin treatment and suggested that implantation of AChR clusters containing myofibers could accelerate innervation and recovery of muscle function. In this study, we develop a 3-dimensional (3D) bioprinted human skeletal muscle construct, consisting of multi-layers bundles with aligned and AChR clusters pre-formed human myofibers, and investigate the effect of pre-formed AChR clusters in bioprinted skeletal muscle constructs and innervation efficiency in vivo. Agrin treatment successfully pre-formed functional AChR clusters on the bioprinted muscle constructs in vitro that increased neuromuscular junction (NMJ) formation in vivo in a transposed nerve implantation model in rats. In a rat model of pelvic floor muscle injury, implantation of skeletal muscle constructs containing the pre-formed AChR clusters resulted in functional muscle reconstruction with accelerated construct innervation. This approach may provide a therapeutic solution to the many challenges associated with pelvic floor reconstruction resulting from the lack of suitable bioengineered tissue for efficient innervation and muscle function restoration.
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Terrorist attacks: common injuries and initial surgical management. Eur J Trauma Emerg Surg 2020; 46:683-694. [PMID: 32342113 DOI: 10.1007/s00068-020-01342-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Accepted: 03/02/2020] [Indexed: 01/22/2023]
Abstract
Terrorism-related incidents and shootings that involve the use of war weapons and explosives are associated with gunshot and blast injuries. Despite the perceived threat of terrorism, these incidents and injuries are rare in Germany. For this reason, healthcare providers are unlikely to have a full understanding of the special aspects of managing these types of injuries. Until a clear and complete picture of the situation is available after a terrorist or shooter incident, tactical and strategic approaches to the clinical management of the injured must be tailored to circumstances that have the potential to overwhelm resources temporarily. Hospitals providing initial care must be aware that the first patients who are taken to medical facilities will present with uncontrollable bleeding from injuries to the trunk and body cavities. To improve the outcome of these patients in extremis, the aim of the index surgery is to stop the bleeding and control the contamination. Unlike damage control surgery, which is tailored to the patient's condition, tactical abbreviated surgical care (TASC) is first and foremost adapted to the overall situation. Once the patients are stabilised and all information on the situation is available, the surgical management and reconstruction of gunshot and blast injuries can follow the principles of damage control (DC) and definitive early total care (ETC). The purpose of this article is to provide an overview of the pathophysiology of gunshot and blast injuries, wound ballistics, and the approach and procedures of successful surgical management.
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Bumbaširević M, Palibrk T, Georgescu AV, Soucacos P, Matei IR, Vučetić Č, Manojlović R, Marković D, Tos P, Nikolić S, Glišović Jovanović I, Petrović A, Lešić A. "Close-open-close free-flap technique" for the cover of severely injured limbs. Injury 2019; 50 Suppl 5:S29-S31. [PMID: 31706589 DOI: 10.1016/j.injury.2019.10.043] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
The treatment of severely injured extremities still presents a very difficult task for trauma orthopaedic surgeons. Despite improvements in technology and surgical/microsurgical techniques, sometimes a limb must be amputated, otherwise severe and potentially fatal complications may develop. There is a well-established belief that severe open fractures should be left open. However, Godina proved wound coverage in the first 72 h (after an injury) to be safe and to bring good final results. So early wound cover (no later than one week after an injury) with well vascularized free flaps became the gold standard. Yet for many patients (some of whom have serious health problems), operative treatment needs to be postponed when they arrive to specialized microsurgical departments for microsurgical reconstruction much later than one week after incurring an injury. As the definite wound cover period from one week to 3 months seems to be hazardous, especially due to the potential of infection, we developed a safe, original flap technique that prevents infection and covers important structures such as exposed bones, tendons, nerves and vessels. We named this technique the "close-open-close free flap technique". It enables difficult wound cover in any biological phase of the wound, by combining complete flap cover first, with the removal of stitches from one side of the flap after 6-12 h. This technique works very well for borderline cases as well; where even after a complete debridement, dead tissue still remains in the wound - making wound cover very dangerous. Closing completely severe open fractures with free (or pedicled) flaps and removing the stitches on one side after 6-12 h, enables orthopaedic surgeons to safely cover any kind of wound in any biological phase of the wound. Additional debridements, lavages and reconstructions can easily be performed under the flap and after the danger of a serious infection has disappeared, definitive wound closure can be carried out.
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Affiliation(s)
- Marko Bumbaširević
- Orthopedic and Traumatology University Clinic, Clinical Center of Serbia, Serbia; Faculty of Medicine, University of Belgrade, Serbia.
| | - Tomislav Palibrk
- Orthopedic and Traumatology University Clinic, Clinical Center of Serbia, Serbia; Faculty of Medicine, University of Belgrade, Serbia
| | - Alexandru Valentin Georgescu
- Department of Plastic Surgery and Reconstructive Microsurgery, University of Medicine Iuliu Hatieganu Cluj Napoca, Romania; Clinic of Plastic Surgery and Reconstructive Microsurgery, Clinical Hospital of Recovery, Cluj Napoca, Romania
| | - Panayotis Soucacos
- First Department of Orthopedics, National and Kapodistrian University of Athens, School of Medicine, ATTIKON University Hospital, Athens, Greece
| | - Ileana Rodica Matei
- Department of Plastic Surgery and Reconstructive Microsurgery, University of Medicine Iuliu Hatieganu Cluj Napoca, Romania; Clinic of Plastic Surgery and Reconstructive Microsurgery, Clinical Hospital of Recovery, Cluj Napoca, Romania
| | - Čedomir Vučetić
- Orthopedic and Traumatology University Clinic, Clinical Center of Serbia, Serbia; Faculty of Medicine, University of Belgrade, Serbia
| | - Radovan Manojlović
- Orthopedic and Traumatology University Clinic, Clinical Center of Serbia, Serbia; Faculty of Medicine, University of Belgrade, Serbia
| | - Dragan Marković
- Faculty of Medicine, University of Belgrade, Serbia; Vascular surgery University Clinic, Clinical Center of Serbia, Serbia
| | - Pierluigi Tos
- UOD Reconstructive Microsurgery, AOU Cittàdella Salute e dellaScienza di Torino, Torino, Italy
| | - Slobodan Nikolić
- Faculty of Medicine, University of Belgrade, Serbia; Institute of Forensic Medicine "Milovan Milovanovic", Belgrade, Serbia
| | | | - Aleksandra Petrović
- Orthopedic and Traumatology University Clinic, Clinical Center of Serbia, Serbia
| | - Aleksandar Lešić
- Orthopedic and Traumatology University Clinic, Clinical Center of Serbia, Serbia; Faculty of Medicine, University of Belgrade, Serbia
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7
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Typische Verletzungen durch terrorassoziierte Ereignisse und ihre Implikationen für die Erstversorgung. ACTA ACUST UNITED AC 2018. [DOI: 10.1007/s10039-018-0393-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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8
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9
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Martinez AP, Moser TP, Saran N, Paquet M, Hemmerling T, Berry GK. Phonomyography as a non-invasive continuous monitoring technique for muscle ischemia in an experimental model of acute compartment syndrome. Injury 2017; 48:2411-2416. [PMID: 28867642 DOI: 10.1016/j.injury.2017.08.051] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Accepted: 08/22/2017] [Indexed: 02/02/2023]
Abstract
BACKGROUND In acute compartment syndrome (ACS), clinicians have difficulty diagnosing muscle ischemia provoked by increased intra-compartmental pressure in a timely and non-invasive manner. Phonomyography records the acoustic signal produced by muscle contraction. We hypothesize that alterations in muscle contraction caused by muscle ischemia can be detected with phonomyography, serving as a potential non-invasive technique in the detection of ACS. METHODS The left hind limb of 15 Sprague-Dawley rats was submitted to a reversible ischemic model of limb injury for 30min and 1, 2, 4, 6h (3 rats in each group). The right limb served as control. Phonomyography microphones were placed over the posterior calf of both limbs and the sciatic nerve was stimulated percutaneously at 10-min intervals to evaluate muscle contraction. Histopathological analysis of muscles and nerves biopsies was performed and correlation was made between duration of injury, phonomyography output and degree of muscle and nerve necrosis. RESULTS There was a statistically significant decrease in the phonomyography signal output in the ischemic limb that correlated with the duration of ischemia and histological findings of muscle and nerve necrosis. The phonomyography signal decrease and histological findings were respectively: 55.5% (n=15;p=0.005) with rare muscle and nerve necrosis at 30min, 65.6% (n=12;p=0.005) with 5-10% muscle necrosis at 1h, 68.4% (n=9;p=0.015) with 100% muscle necrosis and little nerve damage at 2h, 72.4% (n=6;p=0.028) with 100% muscle necrosis and severe nerve damage at 4h, and 92.8% (n=3;p=0.109) with 100% muscle necrosis and severe nerve degeneration at 6h. CONCLUSION Changes in phonomyography signal are observed in early ischemic injury prior to the onset of nerve or muscle necrosis. Therefore, phonomyography could serve as a non-invasive technique to detect early ischemic muscle changes in acute compartment syndrome. CLINICAL RELEVANCE The detection of abnormal muscle contraction in a timely fashion and non-invasive manner is of interest in clinical settings where the presence of ischemia is not easy to diagnose.
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Affiliation(s)
| | - Thomas P Moser
- Department of Radiology, Université de Montréal, Montreal, Canada.
| | - Neil Saran
- Department of Orthopaedic Surgery, Shriners Hospital for Children, McGill University, Montreal, Quebec, Canada.
| | - Marilène Paquet
- Département de pathologie et de microbiologie, Faculté de Médecine Vétérinaire, Université de Montréal, Montreal, Canada.
| | | | - Greg K Berry
- Department of Orthopaedic Surgery, McGill University, Montreal, Canada.
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Kulla M, Maier J, Bieler D, Lefering R, Hentsch S, Lampl L, Helm M. [Civilian blast injuries: an underestimated problem? : Results of a retrospective analysis of the TraumaRegister DGU®]. Unfallchirurg 2017; 119:843-53. [PMID: 26286180 DOI: 10.1007/s00113-015-0046-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Blast injuries are a rare cause of potentially life-threatening injuries in Germany. During the past 30 years such injuries were seldom the cause of mass casualties, therefore, knowledge and skills in dealing with this type of injury are not very extensive. MATERIAL AND METHODS A retrospective identification of all patients in the TraumaRegister DGU® of the German Trauma Society (TR-DGU) who sustained blast injuries between January 1993 and November 2012 was carried out. The study involved a descriptive characterization of the collective as well as three additional collectives. The arithmetic mean, standard deviation and 95 % confidence interval of the arithmetic mean for different demographic parameters and figures for prehospital and in-hospital settings were calculated. A computation of prognostic scores, such as the Revised Injury Severity Classification (RISC) and the updated version RISC II (TR-DGU-Project-ID 2012-035) was performed. RESULTS A total of 137 patients with blast injuries could be identified in the dataset of the TR-DGU. Of the patients 90 % were male and 43 % were transported by the helicopter emergency service (HEMS) to the various trauma centres. The severely injured collective with a mean injury severity scale (ISS) of 18.0 (ISS ≥ 16 = 52 %) had stable vital signs. In none of the cases was it necessary to perform on-site emergency surgery but a very high proportion of patients (59 %) had to be surgically treated before admittance to the intensive care unit (ICU). Of the patients 27 % had severe soft tissue injuries with an Abbreviated Injury Scale (AIS) ≥ 3 and 90 % of these injuries were burns. The 24 h in-hospital fatality was very low (3 %) but the stay in the ICU tended to be longer than for other types of injury (mean 5.5 ventilation days and 10.7 days in the intensive care unit). Organ failure occurred in 36 % of the cases, multiorgan failure in 29 % and septic events in 14 %. Of the patients 16 % were transferred to another hospital during the first 48 h. The RISC and the updated RISC II tended to underestimate the severity of injuries and mortality (10.2 % vs. 6.8 % and 10.7 % vs. 7.5 %, respectively) and the trauma associated severe hemorrhage (TASH) score underestimated the probability for transfusion of more than 10 units of packed red blood cells (5.0 % vs. 12.5 %). CONCLUSION This article generates several hypotheses, which should be confirmed with additional investigations. Until then it has to be concluded that patients who suffer from accidental blast injuries in the civilian setting (excluding military operations and terrorist attacks) show a combination of classical severe trauma with blunt and penetrating injuries and additionally a high proportion of severe burns (combined thermomechanical injury). They stay longer in the ICU than other trauma patients and suffer more complications, such as sepsis and multiorgan failure. Established scores, such as RISC, RISC II and TASH tend to underestimate the severity of the underlying trauma.
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Affiliation(s)
- M Kulla
- Klinik für Anästhesiologie und Intensivmedizin, Bundeswehrkrankhaus Ulm, Akademisches Krankenhaus der Universität Ulm, Oberer Eselsberg 40, 89081, Ulm, Deutschland.
| | - J Maier
- Klinik für Anästhesiologie und Intensivmedizin, Bundeswehrkrankhaus Ulm, Akademisches Krankenhaus der Universität Ulm, Oberer Eselsberg 40, 89081, Ulm, Deutschland
| | - D Bieler
- Klinik für Unfallchirurgie und Orthopädie, Wiederherstellungs-, Hand- und Plastische Chirurgie, Verbrennungsmedizin, Bundeswehrzentralkrankenhaus Koblenz, Koblenz, Deutschland
| | - R Lefering
- Institut für Forschung in der Operativen Medizin, Universität Witten-Herdecke, Witten, Deutschland
| | - S Hentsch
- Klinik für Unfallchirurgie und Orthopädie, Wiederherstellungs-, Hand- und Plastische Chirurgie, Verbrennungsmedizin, Bundeswehrzentralkrankenhaus Koblenz, Koblenz, Deutschland
| | - L Lampl
- Klinik für Anästhesiologie und Intensivmedizin, Bundeswehrkrankhaus Ulm, Akademisches Krankenhaus der Universität Ulm, Oberer Eselsberg 40, 89081, Ulm, Deutschland
| | - M Helm
- Klinik für Anästhesiologie und Intensivmedizin, Bundeswehrkrankhaus Ulm, Akademisches Krankenhaus der Universität Ulm, Oberer Eselsberg 40, 89081, Ulm, Deutschland
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Gale SC, Shiroff AM, Donovan CM, Rhodes SC, Rhodes JS, Gracias VH. Medical Management at the Health Care Facility. Ann Emerg Med 2016; 69:S36-S45. [PMID: 27955761 DOI: 10.1016/j.annemergmed.2016.09.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
| | | | - Colleen M Donovan
- Department of Emergency Medicine, Rutgers, The State University of New Jersey-Robert Wood Johnson Medical School, New Brunswick, NJ; University Center for Disaster Preparedness and Emergency Response at Robert Wood Johnson University Hospital, New Brunswick, NJ
| | - Stancie C Rhodes
- Department of Surgery, Rutgers, The State University of New Jersey-Robert Wood Johnson Medical School, New Brunswick, NJ
| | - John S Rhodes
- Department of Surgery, Rutgers, The State University of New Jersey-Robert Wood Johnson Medical School, New Brunswick, NJ
| | - Vicente H Gracias
- Department of Surgery, Rutgers, The State University of New Jersey-Robert Wood Johnson Medical School, New Brunswick, NJ; University Center for Disaster Preparedness and Emergency Response at Robert Wood Johnson University Hospital, New Brunswick, NJ
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12
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Wroe P, O'Shea R, Johnson B, Hoffman R, Nagdev A. Ultrasound-guided forearm nerve blocks for hand blast injuries: case series and multidisciplinary protocol. Am J Emerg Med 2016; 34:1895-7. [PMID: 27461885 DOI: 10.1016/j.ajem.2016.06.111] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Revised: 06/23/2016] [Accepted: 06/23/2016] [Indexed: 10/21/2022] Open
Affiliation(s)
- Peter Wroe
- Department of Emergency Medicine, Alameda Health System, Highland Hospital, Oakland, CA.
| | - Ryan O'Shea
- Department of Orthopedics, Alameda Health System, Highland Hospital, Oakland, CA
| | - Brian Johnson
- University of Washington Medicine-Valley Medical Center, Renton, WA
| | - Robert Hoffman
- Department of Orthopedics, Alameda Health System, Highland Hospital, Oakland, CA
| | - Arun Nagdev
- Department of Emergency Medicine, Alameda Health System, Highland Hospital, Oakland, CA
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13
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Yu M, Lv Q, Ding H, Zeng X, Cao J, Liu J, Fan H, Hou S. Evaluation of blast injury patients from the 2015 Tianjin explosions in China. Burns 2016; 42:1133-1140. [PMID: 27311537 DOI: 10.1016/j.burns.2016.03.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Revised: 02/23/2016] [Accepted: 03/13/2016] [Indexed: 11/15/2022]
Abstract
OBJECTIVES To perform a descriptive analysis of blast injury patients from the Tianjin explosions that occurred August 12, 2015 and provide a reference for triage and treatment of patients in similar situations in the future. METHODS The medical records of patients with blast injuries admitted to our hospital following the 2015 Tianjin explosions were retrospectively reviewed. The results were compared with the literature for other recent mass casualty events. RESULTS The 75 patients with blast injuries included 58 men (77.3%) and 17 women (22.7%), who had an average age of 36.39±12.3 years. Multidimensional injuries affecting almost every organ system were observed in these patients. The distribution of the types of blast injuries included 36 (48.0%) with primary blast injuries, 63 (84.0%) with secondary injuries, 33 (44.0%) with tertiary injuries and 32 (42.6%) with quaternary injuries. A total of 52 (69.3%) patients suffered more than two types of blast injury. Burns affecting different areas and different depths were present in 41.3% of the patients with blast injuries, and these were divided into the following four groups: a minor group (18.7%), a moderate group (10.7%), a severe group (5.3%), and an extra severe group (6.7%). The total body surface area (TBSA) affected by the burn ranged from 1% to 75%. Additionally, 6.7% of the patients were diagnosed with an inhalational injury, and 2.7% of the patients were diagnosed with chemical poisoning. There were significant differences in the department distribution (especially in the burn unit and ophthalmology department) and ICU treatment between civilians and firefighters. CONCLUSION Various types of injury, with overlapping injuries present in many patients, were observed in the victims after the Tianjin explosions. An evaluation of the distribution of blast injuries is important for optimizing strategies to triage and treat survivors after mass casualty events.
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Affiliation(s)
- Mengyang Yu
- Institute of Disaster Medicine and Public Health, Affiliated Hospital of Logistic University of the Chinese People's Armed Police Force (PAP), Tianjin, China
| | - Qi Lv
- Institute of Disaster Medicine and Public Health, Affiliated Hospital of Logistic University of the Chinese People's Armed Police Force (PAP), Tianjin, China
| | - Hui Ding
- Institute of Disaster Medicine and Public Health, Affiliated Hospital of Logistic University of the Chinese People's Armed Police Force (PAP), Tianjin, China
| | - Xihuan Zeng
- Institute of Disaster Medicine and Public Health, Affiliated Hospital of Logistic University of the Chinese People's Armed Police Force (PAP), Tianjin, China
| | - Juan Cao
- Institute of Disaster Medicine and Public Health, Affiliated Hospital of Logistic University of the Chinese People's Armed Police Force (PAP), Tianjin, China
| | - Jinyang Liu
- Institute of Disaster Medicine and Public Health, Affiliated Hospital of Logistic University of the Chinese People's Armed Police Force (PAP), Tianjin, China
| | - Haojun Fan
- Institute of Disaster Medicine and Public Health, Affiliated Hospital of Logistic University of the Chinese People's Armed Police Force (PAP), Tianjin, China.
| | - Shike Hou
- Institute of Disaster Medicine and Public Health, Affiliated Hospital of Logistic University of the Chinese People's Armed Police Force (PAP), Tianjin, China.
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14
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Abstract
Recent armed conflicts and the expanded reach of international terror groups has resulted in an increased incidence of blast-related injuries in both military and civilian populations. Mass-casualty incidents may require both on-scene and in-hospital triage to maximize survival rates and conserve limited resources. Initial evaluation should focus on the identification and control of potentially life-threatening conditions, especially life-threatening hemorrhage. Early operative priorities for musculoskeletal injuries focus on the principles of damage-control orthopaedics, with early and aggressive debridement of soft-tissue wounds, vascular shunting or grafting to restore limb perfusion, and long-bone fracture stabilization via external fixation. Special considerations such as patient transport, infection control and prevention, and amputation management are also discussed. All orthopedic surgeons, regardless of practice setting, should be familiar with the basic principles of evaluation, resuscitation, and initial management of explosive blast injuries.
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15
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Stringer RW, Mancini M. Blast-Induced Compartment Syndrome. J Emerg Med 2015; 49:e91-2. [PMID: 25910831 DOI: 10.1016/j.jemermed.2015.02.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2014] [Revised: 02/02/2015] [Accepted: 02/17/2015] [Indexed: 10/23/2022]
Affiliation(s)
- Ryan W Stringer
- Lakeland Healthcare Emergency Medicine Residency, Michigan State University College of Osteopathic Medicine, St. Joseph, Michigan
| | - Michelino Mancini
- Lakeland Healthcare Emergency Medicine Residency, Michigan State University College of Osteopathic Medicine, St. Joseph, Michigan
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16
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Abstract
Blast trauma can kill or injure by multiple different mechanisms, not all of which may be obvious on initial presentation. Patients injured by blast effects should be treated as having multisystem trauma and managed according to Advanced Trauma Life Support guidelines. For the most severely injured patients, damage control resuscitation should be practiced until definitive hemorrhage control has been achieved. Patients with blast injuries may present in mass-casualty episodes that can overwhelm local resources. This article reviews some specific injuries, as well as the importance of mild traumatic brain injury. The importance of rehabilitation is discussed.
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17
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Saucedo JM, Vedder NB. Firework-related injuries of the hand. J Hand Surg Am 2015; 40:383-7; quiz 387. [PMID: 25443164 DOI: 10.1016/j.jhsa.2014.08.041] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Revised: 08/20/2014] [Accepted: 08/21/2014] [Indexed: 02/02/2023]
Affiliation(s)
- James M Saucedo
- The Hand Center of San Antonio, San Antonio, TX; University of Washington, Harborview Medical Center, Seattle, WA.
| | - Nicholas B Vedder
- The Hand Center of San Antonio, San Antonio, TX; University of Washington, Harborview Medical Center, Seattle, WA
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18
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Chen TW, Yang ZG, Dong ZH, Tang SS, Chu ZG, Shao H, Deng W, Chen J. Earthquake-related crush fractures and non-earthquake-related fractures of the extremities: a comparative radiological study. Emerg Med Australas 2012; 24:663-9. [PMID: 23216729 DOI: 10.1111/j.1742-6723.2012.01594.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/06/2012] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To determine the features that differentiate earthquake-related crush extremity fractures from non-earthquake-related extremity fractures by using digital radiography (DR) and multidetector row computed tomography (MDCT). METHODS Six hundred and twenty-three consecutive victims with crush extremity fractures arising from the 2008 Sichuan earthquake, including 611 undergoing DR and 12 undergoing MDCT, entered the test group, and 316 consecutive victims with non-earthquake-related extremity fractures, including 301 undergoing DR and 15 undergoing MDCT, were enrolled in the control group. Image data were reviewed retrospectively and statistically between groups focusing on the anatomic distributions, numbers and types of extremity fractures. RESULTS Fractures involving multiple extremities were more likely in the test group than the control group (88/623 vs 27/316 victims, P < 0.05). Fractures involving multiple bones (336/623 vs 112/316 victims) and comminuted fractures (324/623 vs 78/316 victims) were seen more frequently in the test group than the control group with both occurring predominantly in the tibia and fibula (all P < 0.05). CONCLUSION Earthquake-related crush fractures of extremities are more likely than non-earthquake-related extremity fractures to involve multiple extremities, multiple bones and to be comminuted. The lower extremities, predominantly the tibia and fibula, are more likely to be involved. This has implications for emergency and disaster planning in earthquake-prone regions.
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Affiliation(s)
- Tian-Wu Chen
- Sichuan Key Laboratory of Medical Imaging, Department of Radiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
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Bumbasirevic M, Stevanovic M, Lesic A, Atkinson HDE. Current management of the mangled upper extremity. INTERNATIONAL ORTHOPAEDICS 2012; 36:2189-95. [PMID: PMID: 22923227 PMCID: PMC3479293 DOI: 10.1007/s00264-012-1638-y] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2012] [Accepted: 07/25/2012] [Indexed: 12/16/2022]
Abstract
Mangled describes an injury caused by cutting, tearing, or crushing, which leads to the limb becoming unrecognizable; in essence, there are two treatment options for mangled upper extremities, amputation and salvage reconstruction. With advances in our understanding of human physiology and basic science, and with the development of new fixation devices, modern microsurgical techniques and the possibility of different types of bony and soft tissue reconstruction, the clinical and functional outcomes are often good, and certainly preferable to those of contemporary prosthetics. Early or even immediate (emergency) complete upper extremity reconstruction appears to give better results than delayed or late reconstruction and should be the treatment of choice where possible. Before any reconstruction is attempted, injuries to other organs must be excluded. Each step in the assessment and treatment of a mangled extremity is of utmost importance. These include radical tissue debridement, prophylactic antibiotics, copious irrigation with a lavage system, stable bone fixation, revascularization, nerve repair, and soft tissue coverage. Well-planned and early rehabilitation leads to a better functional outcome. Despite the use of scoring systems to help guide decisions and predict outcomes, the decision to reconstruct or to amputate still ultimately lies with the surgical judgment and experience of the treating surgeon.
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Affiliation(s)
- Marko Bumbasirevic
- School of Medicine, Clinic of Orthopaedic Surgery and Traumatology, Clinical Centre, University of Belgrade, Visegradska 26, 11000 Belgrade, Serbia.
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Abstract
The immediate patterns of injury from explosions are well documented, from both military and civil experience. However, few studies have focused on less immediately apparent health consequences and latent effects of explosions in survivors, emergency responders and the surrounding community. This review aimed to analyze the risks to health following an explosion in a civil setting. A comprehensive review of the open literature was conducted, and data on 10 relevant military, civilian and industrial events were collected. Events were selected according to availability of published studies and involvement of large numbers of people injured. In addition, structured interviews with experts in the field were conducted, and existing national guidelines reviewed. The review revealed significant and potentially long-term health implications affecting various body systems and psychological well-being following exposure to an explosion. An awareness of the short- and long-term health effects of explosions is essential in screening for blast injuries, and identifying latent pathologies that could otherwise be overlooked in stressful situations with other visually distracting injuries and, often, mass casualties. Such knowledge would guide responsible medical staff in implementing early appropriate interventions to reduce the burden of long-term sequelae. Effective planning and response strategies would ensure accessibility of appropriate health care resources and evidence-based information in the aftermath of an explosion.
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Guthrie H, Clasper J, Kay A, Parker P. Initial Extremity War Wound Debridement:A Multidisciplinary Consensus. J ROY ARMY MED CORPS 2011; 157:170-5. [DOI: 10.1136/jramc-157-02-09] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Penetrating and orthopaedic trauma from blast versus gunshots caused by terrorism: Israel's National Experience. J Orthop Trauma 2011; 25:145-9. [PMID: 21278606 DOI: 10.1097/bot.0b013e3181e7f177] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Evaluation of the demographics, features, and outcomes of musculoskeletal injury patterns caused by terrorism in the civil setting and comparing injuries from explosions with gunshot injuries. DESIGN Retrospective cohort analysis of a prospective database. SETTING National trauma registry consisting of all the six Level I and four Level II trauma centers. PATIENTS A total of 1245 casualties with terror-related musculoskeletal trauma. Five hundred fifty-one had high-velocity gunshot wound and 694 blast wounded (BW) caused by explosion. MAIN OUTCOME MEASUREMENTS Demographic and injury data analyzed for age, gender, New Injury Severity Score, and associated injuries. Outcome of were analyzed according to length of hospital stay, intensive care unit stay, surgical procedures, and mortality. RESULTS Severe injuries (New Injury Severity Score 16 or greater) were more common in the BW group (P < 0.01). In the BW group, a significantly higher proportion of casualties had associated injuries (73% versus 43%), intensive care unit care, longer length of stay, and mortality. Orthopaedic injuries were similar among the two groups with more open extremity fractures in the gunshot wound group and less significant injuries in the BW group. With casualties matched to the same New Injury Severity Score groups, the ones with the musculoskeletal injuries had longer hospitalization than those without. CONCLUSIONS Musculoskeletal injury caused by blast is associated with multiple penetrating injuries, differing from more "conventional" penetrating trauma such as caused by gunshot injuries. Although the treatment of specific injuries caused by both mechanisms is essentially similar, the systemic effect of the blast must be taken into consideration in anticipation of an increased overall injury severity.
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Fergason J, Keeling JJ, Bluman EM. Recent advances in lower extremity amputations and prosthetics for the combat injured patient. Foot Ankle Clin 2010; 15:151-74. [PMID: 20189122 DOI: 10.1016/j.fcl.2009.10.001] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Blast-related extremity trauma represents a serious challenge because of the extent of bone and soft tissue damage. Fragmentation and blast injuries account for 56% of all injuries produced within the Iraqi and Afghan theaters where, as of July 2009, 723 combatants have sustained lower extremity limb loss. If limb salvage is not practical, or fails, then amputation should be considered. Amputation can be a reliable means toward pain relief and improvement of function. Optimizing functional outcome is paramount when deciding on definitive amputation level. Preservation of joint function improves limb biomechanics in many cases. Increased limb length also allows for the benefits associated with articular and distal limb proprioception. Amputees with improved lower extremity function also usually exhibit less energy consumption. Function and length are generally directly correlated, whereas energy consumption and length are inversely related. This article discusses the surgical principles of lower extremity amputation and postoperative management of amputees, and the various prosthetic options available.
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Affiliation(s)
- John Fergason
- Brooke Army Medical Centre, 3851 Roger Brooke Drive, DOR, Fort Sam Houston, TX 48234, USA.
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Abstract
Prophylactic and therapeutic treatment of leg compartment syndrome with decompression by double-incision fasciotomy prevents progression of soft-tissue injury in high-energy trauma. This treatment is the standard of care in civilian trauma and combat settings. More controversial is the use of either single- or dual-incision fasciotomy of the foot for prophylactic treatment of foot compartment syndrome. Fasciotomy must be performed in the face of major trauma to the foot with severe swelling and unremitting pain. The role for prophylactic fasciotomy of the foot is unclear and should be considered on a case by case basis. The surgeon must maintain a high degree of vigilance for the development of compartment syndrome in the combat casualty.
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Warner M, Henderson C, Kadrmas W, Mitchell DT. Comparison of vacuum-assisted closure to the antibiotic bead pouch for the treatment of blast injury of the extremity. Orthopedics 2010; 33:77-82. [PMID: 20192138 DOI: 10.3928/01477447-20100104-06] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The surgical care of modern combatants involves treatment of massive extremity wounds from blast mechanism. Currently up to 70% of combat wounds are extremity related. Clinical outcomes for these patients are dependent on the care of these wounds. The Vacuum-Assisted Closure (VAC) Therapy system (KCI Inc, San Antonio, Texas) is ubiquitous in theater and is often considered the only way to treat these wounds. However, the VAC Therapy system is not without problems. It is expensive and requires extensive amounts of product and machinery, as well as functioning suction, and therefore a power source at all times. In addition, the VAC Therapy system requires a trained and vigilant nursing staff. We hypothesized that the antibiotic bead pouch would be a viable alternative to the VAC Therapy system for such blast injuries. We retrospectively analyzed 2 matched groups of 12 patients in terms of outcome and cost. We found that the VAC Therapy system produced more late methicillin-resistant Staphylococcus aureus infections (30%), more unanticipated returns to the operating room for wound problems (4:12 vs 0:12), and required more surgeries overall until closure of the wounds. In addition, the VAC Therapy system cost $12,000 more for 12 patients than the antibiotic bead pouch. We recommend the bead pouch be considered as an equivalent option to the VAC Therapy system in the treatment of blast injury.
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Orr J, Kirk KL, Antunez V, Ficke J. Reverse sural artery flap for reconstruction of blast injuries of the foot and ankle. Foot Ankle Int 2010; 31:59-64. [PMID: 20067724 DOI: 10.3113/fai.2010.0059] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND The reverse sural artery fasciocutaneous flap is a versatile soft tissue coverage procedure for traumatic soft tissue defects of the distal tibia, ankle, and foot. War-related blast injuries represent a unique injury mechanism. There are no reports on use of this reconstructive flap in treating highly contaminated war-related musculoskeletal trauma of the foot and ankle. The current study presents results using this soft tissue coverage procedure in a subacute fashion to treat a population of war-related blast injuries. MATERIALS AND METHODS A retrospective chart study was performed to assess outcomes of ten consecutive patients with severe lower extremity musculoskeletal trauma requiring soft tissue coverage using reverse sural artery fasciocutaneous flaps. Average patient age was 27.2 years. All injuries occurred between 2003 and 2008 as a result of severe war-related blast injuries. RESULTS All ten patients sustained Gustilo Type IIIB open fractures within the zones of injuries secondary to high energy blasts. Average time to flap coverage was 37 (range, 18 to 112) days post-injury. All ten flaps were well-healed at 12 weeks postoperatively. Major complications included one nonunion, three deep infections with chronic osteomyelitis, and three late elective amputations unrelated to the viability of the flap. CONCLUSION In appropriately selected patients with significant open bony and soft tissue trauma to the foot and ankle, the reverse sural artery fasciocutaneous flap should be considered as a viable first option for soft tissue coverage, even in cases of subacute coverage. Early coverage is preferable in cases of severe contamination and soft tissue destruction, but late coverage of distal lower extremity defects with a sural artery flap is possible with good outcomes.
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Keklikçi K, Uygur F, Cengiz Bayram F, Cilli F. Free-fillet flap harvested in 'severe, high-energy landmine explosion' injuries of lower extremity: a case report. J Plast Reconstr Aesthet Surg 2009; 63:e58-61. [PMID: 19345166 DOI: 10.1016/j.bjps.2009.02.075] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2008] [Accepted: 02/07/2009] [Indexed: 11/18/2022]
Abstract
Fillet flaps harvested from the non-replantable or unsalvageable amputated segment can be used to cover tissue defects. We discuss the case of a patient who had suffered a severe high-energy landmine injury, including severe leg damage, resulting in a below-knee amputation and soft-tissue defect around the forearm region. We successfully harvested the fillet from the amputated part of the extremity to the forearm region. We conclude that harvesting of a fillet flap from severely injured lower extremity, resulting from a high-energy landmine explosion, is technically feasible.
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Affiliation(s)
- Kenan Keklikçi
- Department of Orthopedic and Traumatology, Gülhane Military Medical Academy and Medical Faculty, Haydarpaşa Training Hospital, Istanbul, Turkey
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Abstract
Blast injuries to the hand are not just a wartime phenomenon but also quite common in rural communities throughout northern California. The purpose of this study is to review our experience with blast injuries in the community and review the most common patterns in an attempt to identify the pathomechanics of the hand injury and the reconstructive procedures that are required. This is a retrospective study of blast injuries to the hand treated between 1978 and 2006. Medical records, X-rays, and photos were reviewed to compile standard patient demographics and characterize the injury pattern. Explosives were classified based on their rate of decomposition. Reconstructive solutions were reviewed and characterized based on whether damaged tissues were repaired or replaced. Sixty-two patients were identified with blast injuries to their hand. Patients were predominantly male (92%) with an average age of 27 years. Firecrackers were the most commonly encountered explosives. Thirty-seven patients were identified as holding a low explosive in their dominant hand and were used for characterization of the injury pattern. The apparent pattern of injury was hyperextension and hyperabduction of the hand and digits. Common injuries were metacarpophalangeal and interphalangeal joint hyperextension with associated soft tissue avulsion, hyperabduction at the web spaces with associated palmar soft tissue tears, and finger disarticulation amputations worse at radial digits. Given the mechanisms of injury with tissue loss, surgical intervention generally involved tissue replacement rather than tissue repair. Blast injuries to the hand represent a broad spectrum of injuries that are associated with the magnitude of explosion and probably, the proximity to the hand. We were able to identify a repetitive pattern of injury and demonstrate the predominant use for delayed tissue replacement rather than microsurgical repair at the acute setting.
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Affiliation(s)
- Ron Hazani
- Division of Plastic Surgery, University of Louisville School of Medicine, 550 S. Jackson Street, ACB Building, 2nd Floor, Louisville, KY 40292, USA.
| | - Rudolf F. Buntic
- Division of Microsurgical Transplantation and Replantation, The Buncke Clinic, 45 Castro St. #121, San Francisco, CA 94114 USA
| | - Darrell Brooks
- Division of Microsurgical Transplantation and Replantation, The Buncke Clinic, 45 Castro St. #121, San Francisco, CA 94114 USA
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Abstract
The third annual Extremity War Injuries Symposium was held in January 2008 to review challenges related to definitive management of severe injuries sustained primarily as a result of blast injuries associated with military operations in the Global War on Terror. Specifically, the symposium focused on the management of soft-tissue defects, segmental bone defects, open tibial shaft fractures, and challenges associated with massive periarticular reconstructions. Advances in several components of soft-tissue injury management, such as improvement in the use of free-tissue transfer and enhanced approaches to tissue-engineering, may improve overall care for extremity injuries. Use of distraction osteogenesis for treatment of large bone defects has been simplified by the development of computer-aided distraction protocols. For closed tibial fractures, evidence and consensus support initial splinting for transport and aeromedical evacuation, followed by elective reamed, locked intramedullary nail fixation. Management of open tibial shaft fractures sustained as a result of high-energy combat injuries should include serial débridements every 48 hours until definitive wound closure and stabilization are recommended. A low threshold is recommended for early utilization of fasciotomies in the overall treatment of tibial shaft fractures associated with war injuries. For management of open tibial fractures secondary to blast or high-velocity gunshot injuries, good experiences have been reported with the use of ring fixation for definitive treatment. Treatment options in any given case of massive periarticular defects must consider the specific anatomic and physiologic challenges presented as well as the capabilities of the treating surgeon.
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Born CT, Briggs SM, Ciraulo DL, Frykberg ER, Hammond JS, Hirshberg A, Lhowe DW, O'Neill PA, Mead J. Disasters and mass casualties: II. explosive, biologic, chemical, and nuclear agents. J Am Acad Orthop Surg 2007; 15:461-73. [PMID: 17664366 DOI: 10.5435/00124635-200708000-00003] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Terrorists' use of explosive, biologic, chemical, and nuclear agents constitutes the potential for catastrophic events. Understanding the unique aspects of these agents can help in preparing for such disasters with the intent of mitigating injury and loss of life. Explosive agents continue to be the most common weapons of terrorists and the most prevalent cause of injuries and fatalities. Knowledge of blast pathomechanics and patterns of injury allows for improved diagnostic and treatment strategies. A practical understanding of potential biologic, chemical, and nuclear agents, their attendant clinical symptoms, and recommended management strategies is an important prerequisite for optimal preparation and response to these less frequently used agents of mass casualty. Orthopaedic surgeons should be aware of the principles of management of catastrophic events. Stress is less an issue when one is adequately prepared. Decontamination is essential both to manage victims and prevent further spread of toxic agents to first responders and medical personnel. It is important to assess the risk of potential threats, thereby allowing disaster planning and preparation to be proportional and aligned with the actual casualty event.
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Affiliation(s)
- Christopher T Born
- Orthopaedic Surgery, The Warren Alpert Medical School of Brown University, Providence, RI 02905, USA
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