The efficacy of tourniquet use in ankle trauma surgery .
OrthoEvidence Journal (OE Journal) - ACE Report
OE Journal. 2014;2(7):33 Eur J Med Res. 2013 Dec 10;18:55. doi: 10.1186/2047-783X-18-553 randomized controlled trials examining the safety and efficacy of tourniquet use in ankle trauma surgery were included in this meta-analysis. The purpose of this review was to compare operative time, hospital stay, ankle range of motion, postoperative infection rates and the incidence of deep venous thrombosis between patients undergoing surgery with or without the use of a tourniquet. Pooled results indicated that tourniquet use in ankle trauma surgery yielded a significantly longer hospital stay and reduced ankle range of motion. Operative time, postoperative infection rates, and the incidence of deep venous thrombosis were statistically similar between groups.
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Was the validity of all of the studies referred to in the text assessed with use of appropriate criteria (either in selecting the studies for inclusion or in analyzing the studies that were cited)?
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Incierto = 0,5
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Introduction
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Accessing Data
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Analysing Data
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Results
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Discussion
Detsky AS, Naylor CD, O'Rourke K, McGeer AJ, L'Abbé KA. J Clin Epidemiol. 1992;45:255-65
El Índice de Fragilidad es una herramienta que ayuda en la interpretación de hallazgos significativos, proporcionando una medida de fuerza para un resultado. El Índice de Fragilidad representa el número de eventos consecutivos que es necesario añadir a un resultado dicotómico para que el hallazgo deje de ser significativo. Un número pequeño representa un hallazgo más débil y un número grande un hallazgo más fuerte.
¿Por qué se necesitaba ahora este estudio?
Tourniquet use in orthopaedic surgery is thought to provide benefits such as improved visualization in the surgical field, shortened operative time, and minimized intraoperative blood loss. However, it may contribute to an increased risk in serious complications, such as pulmonary embolism, superficial wound infection, and acute thrombosis. Despite a number of meta-analyses having been conducted on this topic, the use of a tourniquet in orthopaedic surgery remains controversial. This meta-analysis summarized the results of randomized controlled trials evaluating the safety and efficacy of tourniquet use in ankle trauma surgery.
¿Cuál era la pregunta principal de la investigación?
Is the use of a tourniquet safe and effective in ankle trauma surgery?
- 3 randomized controlled trials (n=166) were included in this meta-analysis. Between the three studies, 82 patients were in the tourniquet group and 84 patients were in the non-tourniquet group.
- All 3 included studies reported data on operative time (n=166). Pooled data revealed no significant difference between tourniquet and no tourniquet (MD -5.45 [95% CI -13.98, 3.09]; p=0.21). This meta-analysis was performed using a random-effects model, as heterogeneity was found to be significant (p=0.02; I-squared=73%).
- Pooled data from two studies (n=134) reporting hospital stay indicated that tourniquet use was significantly associated with a longer hospital stay (MD 3.17 [95% CI 1.39, 4.95]; p=0.0005). Heterogeneity was found to be insignificant (p=0.72; I-squared=0%).
- Two studies (n=134) reported ankle range of motion. Via the fixed-effect model, pooled data found a significant difference in ankle range of motion, favouring the non-tourniquet group (MD -5.25 degrees [95% CI -9.61, -0.89]; p=0.02). Heterogeneity between studies was not statistically significant (p=0.51; I-squared=0%).
- With respect to postoperative infection rates (2 studies; 134 patients), there was no significant difference with or without the use of a tourniquet (RR 1.83 [95% CI 0.65, 5.12]; p=0.25). Heterogeneity between studies was not significant for this outcome (p=0.88; I-squared=0%).
- There was no significant difference in the incidence of deep venous thrombosis (2 studies; 134 patients) between the two groups (RR 4.13 [95% CI 0.47, 36.17]; p=0.20). Heterogeneity between studies was not significant for this outcome (p=0.84; I-squared=0%)
¿Qué es lo que más debo recordar?
Tourniquet use in ankle trauma surgery resulted in significantly longer hospital stay and reduced ankle range of motion. Operative time, postoperative infection rates, and the incidence of deep venous thrombosis were statistically similar between groups.
¿Cómo afectará esto al cuidado de mis pacientes?
Results from this meta-analysis suggest that, although safe, the use of a tourniquet in ankle trauma surgery may decrease range of motion and increase length of hospital stay. Additional randomized controlled trials are needed to confirm these findings. Furthermore, future meta-analyses should perform a funnel plot analysis to assess selection bias.
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