Annals of vascular surgery · 2019
The Use of Antithrombotics Is Not Beneficial for Conservative Management of Spontaneous Isolated Dissection of the Superior Mesenteric Artery: A Meta-analysis.
СтатьяМетаанализСистематический обзорНазвание и аннотация: Перевод в очереди
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Ahn Sanghyun, Mo Hyejin, Han Ahram, Min Sang-Il, Min Seung-Kee, Ha Jongwon, Lee Chang-Hyun, Jang Myoung-Jin, Jung In Mok
Аннотация
BACKGROUND: Conservative treatment is feasible in most patients with spontaneous isolated dissection of the superior mesenteric artery (SID-SMA). However, the role of antiplatelet agents and anticoagulants is not well defined in either symptomatic or asymptomatic SID-SMA. This study aimed to conduct a meta-analysis, including a single-arm study, comparing the resolution rate of conservative management with versus without antithrombotics for symptomatic and asymptomatic SID-SMA.
METHODS: A systematic search of electronic databases, including PubMed, EMBASE, and Cochrane Library, on August 22nd, 2018, was performed to identify studies concerning SID-SMA. Meta-analyses were conducted to determine the primary resolution rate, long-term aneurysmal change for symptomatic SID-SMA, and any event for asymptomatic SID-SMA. We calculated pooled risk ratios and 95% confidence intervals (CIs) using random-effects model in studies with two arms and in studies with two arms or a single arm.
RESULTS: We included data from 35 articles involving 727 patients with SID-SMA (symptomatic 693, asymptomatic 134). No significant differences were observed in the successful resolution rate between conservative management with and without antithrombotics (random-effects model, risk ratio [RR] 0.96; 95% CI, 0.87-1.05]). The pooled resolution rate from combining single-arm studies was 91% (95% CI, 85-95) and 95% (95% CI, 88-100) in conservative management with and without antithrombotic, respectively, which was not statistically significant (RR, 0.97; 95% CI, 0.91-1.02). The pooled morphologic progression rate from combining single-arm studies was 3% (95% CI, 0-8) and 11% (95% CI, 2-26) in conservative management with and without antithrombotics, respectively, which was not statistically significant (RR, 0.44; 95% CI, 0.12-1.64). The adverse event was 0% for both groups for asymptomatic SID-SMA.
CONCLUSIONS: Additional antithrombotic therapy for both symptomatic and asymptomatic SID-SMA did not benefit the outcomes. We do not recommend the use of antithrombotics for SID-SMA, unless further evidence shows any beneficial effect.
METHODS: A systematic search of electronic databases, including PubMed, EMBASE, and Cochrane Library, on August 22nd, 2018, was performed to identify studies concerning SID-SMA. Meta-analyses were conducted to determine the primary resolution rate, long-term aneurysmal change for symptomatic SID-SMA, and any event for asymptomatic SID-SMA. We calculated pooled risk ratios and 95% confidence intervals (CIs) using random-effects model in studies with two arms and in studies with two arms or a single arm.
RESULTS: We included data from 35 articles involving 727 patients with SID-SMA (symptomatic 693, asymptomatic 134). No significant differences were observed in the successful resolution rate between conservative management with and without antithrombotics (random-effects model, risk ratio [RR] 0.96; 95% CI, 0.87-1.05]). The pooled resolution rate from combining single-arm studies was 91% (95% CI, 85-95) and 95% (95% CI, 88-100) in conservative management with and without antithrombotic, respectively, which was not statistically significant (RR, 0.97; 95% CI, 0.91-1.02). The pooled morphologic progression rate from combining single-arm studies was 3% (95% CI, 0-8) and 11% (95% CI, 2-26) in conservative management with and without antithrombotics, respectively, which was not statistically significant (RR, 0.44; 95% CI, 0.12-1.64). The adverse event was 0% for both groups for asymptomatic SID-SMA.
CONCLUSIONS: Additional antithrombotic therapy for both symptomatic and asymptomatic SID-SMA did not benefit the outcomes. We do not recommend the use of antithrombotics for SID-SMA, unless further evidence shows any beneficial effect.