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Michelle DuGuay Landers, MBA, BSN, RN

Breakaway Media, LLC

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Journal of Special Operations Medicine (JSOM)

Lt Col, USAF/NC (Ret)

publisher@jsomonline.org

www.JSOMonline.org

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ABSTRACT

Introduction: Extremity bleeding and subsequent hemorrhagic shock is one of the main causes of preventable battlefield death, leading to mass-fielding of modern tourniquets, such as the Combat Application Tourniquet (CAT; Composite Resources). Numerous look-alike tourniquets, such as the Military Tactical Emergency Tourniquet (MTET; SZCTKlink), flood commercial markets, offering visually near-identical tourniquets for drastically reduced prices. We examined the performance of the MTET compared with that of the CAT. Methods: We undertook a randomized crossover trial to observe self-applied tourniquets to the lower extremity by combat medics, comparing the CAT to the MTET in application time and success rates, proven by loss of distal pulse assessed by Doppler ultrasound in <1 minute. Results: All 50 participants (100%) successfully applied the CAT versus 40 participants (80%) using the MTET (p = .0001). Median application time for the CAT (29.03 seconds; range, 18.63 to 59.50 seconds) was significantly less than those of successful MTET applications (35.27 seconds; range, 17.00 to 58.90 seconds) or failed MTET applications (72.26 seconds; range, 62.84 to 83.96 seconds) (p = .0012). Of 10 MTET failures, three (30%) were from application time >1 minute and seven (70%) from tourniquet mechanical failure. Conclusion: The MTET performed worse than the CAT did in all observed areas. Despite identical appearance, look-alike tourniquets should not be assumed to be equivalent in quality or functionality to robustly tested tourniquets.

Practical Recommendations for Prehospital Selection of Pediatric Pelvic Circumferential Compression Devices

Reyes J, Kelly J, Badaki-Makun O, Anders J. 23(2). 40 - 43. (Journal Article)

ABSTRACT

Introduction: Although the instances of Special Operations Forces (SOF) medical providers treating pediatric pelvic fractures are rare, such fractures are notable injuries in terror attacks and are at high risk for morbidity and mortality for the patient as well as stress for the provider. Presently, guidelines for pediatric-sized pelvic stabilization device application are limited to measured pelvic circumference. This study aims to inform more practical sizing guidelines. Methods: Subjects aged 1 year to 14 years were enrolled. Subject height, weight, pelvic circumference, and fit on the Broselow Pediatric Emergency Tape® (Armstrong Medical Industries), fit with the Pediatric PelvicBinder® (PelvicBinder), and fit with the small SAM Pelvic Sling® (SAM® Medical) were collected. The primary outcome was the proportion of subjects fitting each device. Results: Sixty-five subjects were recruited; median age was 5 years (interquartile range, 1-8 years); 40 (62%) subjects were male. Ninety-one percent of subjects fit within the scale of the Broselow Tape (height <143-cm). One hundred percent of subjects with a height <143-cm had an appropriate fit with the Pediatric PelvicBinder (95% confidence level [CI], 91.8-100%), while 91.7% of subjects with a height >143-cm fit the SAM Pelvic Sling (95%CI, 61.5-99.8%). Conclusions: Providers should attempt to fit the Pediatric PelvicBinder for children >1 year old with suspected unstable pelvic fracture who fall on the Broselow Tape (<143-cm). The small SAM Pelvic Sling should be used for those taller than 143-cm.



ABSTRACT

Background: Recent data published by the Special Operations community suggest the Lethal Triad of Trauma should be changed to the Lethal Diamond, to include coagulopathy, acidosis, hypothermia, and hypocalcemia. The purpose of this study is to determine the prevalence of trauma-induced hypocalcemia in level I and II trauma patients. Methods: This is a retrospective cohort study conducted at a level I trauma center and Special Operations Combat Medic (SOCM) training site. Adult patients were identified via trauma services registry from September 2021 to April 2022. Patients who received blood products prior to emergency department (ED) arrival were excluded from the study. Ionized calcium levels were utilized in this study. Results: Of the 408 patients screened, 370 were included in the final analysis of this cohort. Hypocalcemia was noted in 189 (51%) patients, with severe hypocalcemia identified in two (<1%) patients. Thirty-two (11.2%) patients had elevated international normalized ratio (INR), 34 (23%) patients had pH <7.36, 21 (8%) patients had elevated lactic acid, and 9 (2.5%) patients had a temperature of <35°C. Conclusion: Hypocalcemia was prevalent in half of the trauma patients in this cohort. The administration of a calcium supplement empirically in trauma patients from the prehospital environment and prior to blood transfusion is not recommended until further data prove it beneficial.

Keywords: hypocalcemia; trauma; ionized calcium; Diamond of Death; lethal triad



The JSOM podcast digs deeper into the articles and subjects that matter to our readers. Our podcast hosts, Captains Alex Merkle and Josh Randles, tackle articles from the journal based on merit, interest, and application for operators in the field. THE SUMMER 23 EPISODE IS HERE!

Current Episode

The Summer 2023 episode of the JSOM podcast is our most recent recording and is now available on our website and wherever you listen to podcasts.

Our Guest Medic Editor is SO1 Brentyn Jone, a Navy SEAL/SOCM, currently, working in the Tactical Medical Training Department. He will be reviewing Prevalence of Trauma-Induced Hypocalcemia in the Prehospital Setting.

JSOM Guest Author Interview

Patrick Thompson is affiliated with the Trauma, Hemostasis & Oxygenation Research Network, Bergen, Norway. He will be reviewing Risk of Harm in Needle Decompression for Tension Pneumothorax.



CPT Josh Randles will review The Impact of Special Operations Medics and Corpsmen on Military Medical Student Training: A Qualitative Study.

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If your institution is not on the list and you want more information about our institutional access, contact our subscriptions manager, Dr. Scott Graverson.

For over 20 years, the Journal of Special Operations Medicine (JSOM) has brought important, lifesaving information to the Special Operations Forces (SOF) community. And over the years, as our audience and readership has expanded into over 80 countries, physicians, military and tactical medics, and other medical professionals working in unconventional environments rely on the JSOM for breakthrough research at the intersection of operational medicine and tactical casualty care. Our peer-reviewed research and interactive clinical content make the JSOM a must-read for:

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For these reasons, many of the world’s top medical technology companies and medical device distributors make the JSOM a cornerstone of their advertising programs. And with a strong multichannel and social media presence, the JSOM offers the most dynamic print and digital media options at cost-effective prices. For medical marketers worldwide looking to reach our niche audience, the JSOM is the gold standard. For more information, please see our attached media kit.

MONROE, LA,

08.10.2023

Photo by Tech. Sgt. Noah Tancer 

910th Airlift Wing Public Affairs

DVIDS

A U.S. Airman treats a simulated casualty during a tactical combat casualty care exercise on Aug. 10, 2023, at the Monroe Civic Center, Louisiana. The TCCC training was part of the Innovative Readiness Training Program’s Monroe Wellness Mission 2023 a two-week hands-on Joint Force medical training mission that provides no-cost medical services to Monroe, West Monroe and their surrounding areas.

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