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Article Abstract
Objective: To evaluate the optimal timing (acute or subacute) of thoracic endovascular aortic repair (TEVAR) for uncomplicated B aortic dissection (uTBAD) through a systematic review and meta-analysis.
Method: A comprehensive literature search was undertaken across three major databases (EMBASE/Medline, PubMed, and Cochrane Library) and was assessed until November 2021 to identify studies reporting the outcomes of TEVAR utilized to treat patients with uTBAD. The continuous variables were compared between the two groups using -test and the categorical variables were compared using the χ-test. A meta-analysis was used to produce pooled odds ratios for early and follow-up outcomes. The random effects models were applied. A statistical analysis was performed using R software v.4.1.
Result: A comprehensive literature search found 490 citations published within the predetermined time span of the analysis. Three studies including 1,193 patients (acute group 718, subacute group 475) were finally included for downstream meta-analysis. An acute uTBAD group presented with higher rates both in 30-day complications (20.5 vs. 13.7%; = 0.014) and mortality (4.6 vs. 1.3%; = 0.004) than subacute group. The respiratory complications were significantly higher in the acute group than in the subacute group (10.8 vs. 5.0%; = 0.015). The procedure success rate (90.8 vs. 93.6%; = 0.329), the follow-up mortality (7.7 vs. 7.6%; = 1) and dissection-related late mortality (3.9 vs. 5.3%; = 0.603) showed no significant difference.
Conclusion: Our meta-analysis suggested that despite significantly higher 30-day complications and 30-day mortality in the acute uTBAD group, there was no significant difference in the follow-up mortality between the two groups.
Systematic Review Registration: PROSPERO, identifier: CRD42021247609.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9110682 | PMC |
| http://dx.doi.org/10.3389/fsurg.2022.852628 | DOI Listing |
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