On the battlefield, few tools have the potential to be as immediately lifesaving as the tourniquet. At their best, they are simple to apply and can reliably stop catastrophic limb bleeding. They may be the difference between a soldier surviving to reach definitive care or dying within minutes. Yet, as the war in Ukraine has shown, the picture is more complicated. Tourniquets save lives, but only when they are applied correctly, reassessed appropriately, supported by good training, and when the equipment itself is reliable.
Recent publications have generated headlines suggesting that tourniquets may be “costing more lives and limbs than they save.” Extensive military and civilian data from across global trauma systems, across decades, point in the opposite direction: when used appropriately, tourniquets are among the most effective interventions for preventing avoidable battlefield deaths.
So why the mixed messages? Much comes down to context. Case series and opinion pieces from Ukraine describe higher rates of amputations, renal failure, and deaths among casualties with very prolonged tourniquet times. Other reports document fatalities when a tourniquet failed, or when one was not used for life-threatening bleeding. Both realities can coexist: failed or absent tourniquets contribute to deaths, while prolonged or misapplied tourniquets are associated with complications.
It is also well recognised that major injury, with extensive tissue damage, or any prolonged period where hypoperfusion and hypovolaemia persist, increases the risk of amputation, renal injury, and mortality. It is unsurprising that such circumstances are also associated with prolonged tourniquet use. Correlation, not causation.
Variation in quality is real. Reports from Ukraine describe devices breaking in transport, leading to renewed haemorrhage, and others placed “high and tight” when a more distal position would have been possible. Lower-grade tourniquets are often the only option in austere settings, and it can be argued they remain better than nothing. But medics deserve equipment they can trust. Communities and charities such as World Extreme Medicine Fund play an important role in helping to bridge that gap.
Technique also matters. Not every wound requires a tourniquet; direct pressure can be enough. A poorly positioned tourniquet, or one left on for hours without reassessment, may cause harm. The challenge for frontline medics is that they make these decisions for each new casualty, under fire, repeatedly, while simultaneously caring for existing casualties who cannot be evacuated.
Part of the difficulty lies in guidance. TCCC aims to be widely applicable and adaptable. Yet some operational frameworks diverge, encouraging tourniquets as first line treatment, while others emphasise the risks of overuse and prolonged application. In some areas, medics are prohibited from converting a tourniquet once applied. For those at the sharp end, this creates a real dilemma: apply a tourniquet early and risk later complications, or hesitate and risk immediate death from bleeding.
Every case is different: the patient, the injury, the tactical situation. Trauma systems like TCCC provide general principles, but these principles require both proper training and local operational guidance that aligns with best practice. Training needs to move beyond rote instruction to focus on decision-making, judgement, and adaptability under pressure. Constructive engagement with those working in theatre is far more valuable than criticism from afar.
If there is one consistent lesson, it is that equipment alone is not enough. What saves lives is training: repeated, scenario-based, and grounded in the realities of prolonged evacuation and scarce resources. Training should cover not only how to apply a tourniquet, but also when to reassess, when to convert, and when to avoid one altogether.
This is where organisations like World Extreme Medicine Fund can help. Later this year, WEMF will launch a tailored programme in Tactical Combat Casualty Care and Prolonged Field Care to support frontline medics in Ukraine and elsewhere. The aim is to not just teach the mechanics, but to provide a framework that helps medics make sense of mixed messages and to guide decision-making when the stakes could not be higher.
The evidence is clear enough: tourniquets are lifesaving when used for life-threatening extremity haemorrhage. Complications are more likely with prolonged application, poor-quality devices, or inappropriate use. Both realities must be acknowledged. Denying the value of tourniquets risks more preventable deaths, ignoring their complications risks repeating mistakes.
The path forward is to hold both truths in view: continue improving equipment, invest in better training, and support medics at every level. Ultimately, it is not the device itself but the knowledge and judgement of the person using it that makes the greatest difference.
Bibliography (much has been published, but a few references that shape the opinions expressed here)
Bosch, X., Poch, E., & Grau, J.M. (2009). Rhabdomyolysis and acute kidney injury. New England Journal of Medicine, 361, 62–72.
Sever, M.S., Erek, E., Vanholder, R., et al. (2002). The Marmara earthquake: epidemiological analysis of the victims with nephrological problems. Kidney International, 62(3), 1114–1123.
Harrois, A., Libert, N., & Duranteau, J. (2017). Acute kidney injury in trauma patients. Current Opinion in Critical Care, 23(6), 447–456.
Perkins, Z.B., De’Ath, H.D., Aylwin, C., et al. (2012). Factors affecting outcome after vascular trauma: a systematic review and meta-analysis. British Journal of Surgery, 99. 52–60.
Kragh, J.F., Walters, T.J., Baer, D.G., et al. (2008). Survival with emergency tourniquet use to stop bleeding in major limb trauma. Annals of Surgery, 249(1), 1–7.
Butler, F.K., Holcomb, J.B., Schreiber, M.A., et al. (2017). Tourniquet use for hemorrhage control on the battlefield. Journal of Trauma and Acute Care Surgery, 84.
WEMF operates as a restricted fund under Humanitas (UK Registered Charity Number 1114639)
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