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DOI: 10.1055/s-0045-1809689
Recommendations and Protocols for the Safe Use of Tourniquets in Upper- and Lower-Extremity Surgeries
Recomendações e protocolos para o uso seguro de torniquetes em cirurgias de extremidades superiores e inferioresFinancial Support The authors declare that they did not receive financial support from agencies in the public, private, or non-profit sectors to conduct the present study.

Abstract
The tourniquet (TNQ) interrupts blood flow to a given anatomical segment and has critical applications in orthopedic surgeries by providing a blood-free operating field. The risks and complications attributed to its use are increased pain, reperfusion injury, edema, deep venous thrombosis, and peripheral nerve injury. The main recommendations for TNQ use and to reduce the occurrence of complications include adequate limb padding; TNQ inflation to pressures of 50 mmHg and 100 mmHg above the perfusion pressure for the upper and lower limbs respectively; avoid TNQ use in children and patients with cachexia, lupus, and coagulopathy; avoid keeping the device inflated for more than 2 hours; and have a trained team alert to deflation, which is characterized by the possibility of bleeding, pulmonary embolism, and myonephropathic metabolic syndrome. The present update article summarizes the best evidence on TNQ use in orthopedic surgeries and proposes a protocol for its safe use.
Resumo
O torniquete (TNQ) interrompe o fluxo sanguíneo para um determinado segmento anatômico e tem aplicação importante nas cirurgias ortopédicas ao proporcionar um campo operatório limpo de sangue. Os riscos e complicações atribuídos ao seu uso são aumento da dor, lesão por reperfusão, edema, trombose venosa profunda e lesão de nervos periféricos. As principais recomendações para se utilizar o TNQ e diminuir a ocorrência de complicações são: acolchoar adequadamente o membro; insuflar o torniquete até pressão 50 mmHg acima da pressão de perfusão para os membros superiores e 100 mmHg para os membros inferiores; evitar o uso em pacientes com caquexia, crianças, portadores de lúpus e coagulopatia; evitar manter o dispositivo insuflado por período superior a 2 horas; e ter equipe treinada e atenta para a desinsuflação, caracterizada pela possibilidade de sangramento, embolia pulmonar e síndrome metabólica mionefropática. Este artigo de atualização resume a melhor evidência acerca do emprego do TNQ nas cirurgias ortopédicas e propõe um protocolo para sua utilização segura.
Authors' Contributions
Each author contributed individually and significantly to the development of this article.
* Study developed at the Locomotor System Department, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.
Publikationsverlauf
Eingereicht: 07. November 2024
Angenommen: 13. März 2025
Artikel online veröffentlicht:
29. Juli 2025
© 2025. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution 4.0 International License, permitting copying and reproduction so long as the original work is given appropriate credit (https://creativecommons.org/licenses/by/4.0/)
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Antonio Tufi Neder Filho, Túlio Vinícius de Oliveira Campos. Recommendations and Protocols for the Safe Use of Tourniquets in Upper- and Lower-Extremity Surgeries. Rev Bras Ortop (Sao Paulo) 2025; 60: s00451809689.
DOI: 10.1055/s-0045-1809689
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