The effectiveness of junctional tourniquets: A systematic review and meta-analysis.
The journal of trauma and acute care surgery · 2018-12-07 · Meta-analysis
Abstract
BACKGROUND: Junctional tourniquets have been incorporated into tactical combat casualty care for junctional vascular trauma. They apply external compression to stop blood flow in the groin and axilla. OBJECTIVES: The primary outcome was effectiveness in achieving arterial occlusion. Secondary outcomes included time to application and pain scores. DATA SOURCES: Medline and EMBASE databases were searched. STUDY APPRAISAL AND SYNTHESIS METHODS: A random-effects meta-analysis was conducted to estimate the average effectiveness and time to effective application for each device. RESULTS: Eight studies reported the effectiveness of junctional tourniquets in healthy volunteers. The average effectiveness was 52% (95% confidence interval [CI], 15-87%) for the abdominal application of the abdominal aortic and junctional tourniquet (AAJT), 83% (95% CI, 73-89%; 26%) for the junctional Emergency Treatment Tool, 87% (95% CI, 79-92%; 15%) for the SAM junctional tourniquet (SJT), and 95% (95% CI, 90-98%) for the Combat Ready Clamp. The groin application of the AAJT was studied in two articles with 100% in both studies. The average time to application was 101 seconds for the SAM junctional tourniquet (95% CI, 50-152 seconds) and the Combat Ready Clamp (95% CI, 63-139 seconds), while it was 130 seconds (95% CI, 85-176 seconds) for the Junctional Emergency Treatment Tool. The abdominal application of AAJT had an average time to application of 92 and 171 seconds in two studies. LIMITATIONS: All studies were conducted in healthy volunteers. CONCLUSION AND IMPLICATIONS: Junctional tourniquets may meet a medical need in combat, and in the civilian environment, to control hemorrhage from these difficult injuries. All four Food and Drug Administration-approved devices demonstrate the ability to achieve vascular occlusion in healthy volunteers; however, effectiveness in patient transport has not been evaluated, and outcomes of their use in the field need to be captured and reported. LEVEL OF EVIDENCE: Systematic review, level III.
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Tags
Haemostatic dressings & wound packing · Military & tactical · Tourniquet
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