Key result
Gastrointestinal complications after cardiac surgery are linked to ~12-fold higher in-hospital mortality.
Why the study?
This study aimed to examine the risk factors and surgical outcomes of gastrointestinal complications after cardiac surgery using meta-analysis techniques.
Does the development of gastrointestinal complications after cardiac surgery increase in-hospital mortality?
Meta-Analysis (n=116,105)
Does the development of gastrointestinal complications after cardiac surgery increase in-hospital mortality?
Effect estimate: OR 11.8 (95% CI 9.5-14.8)
p-value: p=<0.001
Gastrointestinal complications after cardiac surgery occur in 2.51% of patients and are associated with an 11.8-fold increase in in-hospital mortality.
GI complications after cardiac surgery signal high mortality risk warranting vigilance; confirms strong association and supports prevention trials.
Background: In this systematic review, we aimed to examine the risk factors and surgical outcomes of gastrointestinal complications using the meta-analysis techniques. Methods: Studies involving patients with and without gastrointestinal complications after cardiac surgery were electronically searched using the PubMed database, Cochrane Library and Scopus database, between January 2000 and May 2022. Some studies on gastrointestinal complications examined only single gastrointestinal complication (only intestinal ischemia, only gastrointestinal bleeding or only liver failure). Studies evaluating at least three different gastrointestinal complications were included in the meta-analysis to reduce the heterogeneity. Cohort series that did not compare outcomes of patients with and without gastrointestinal complications, studies conducted in a country"s health system databases, review articles, small case series (<10 patients) were excluded from the meta-analysis. Results: Twenty-five studies (8 prospective and 17 retrospective) with 116,105 patients were included in the meta-analysis. The pooled incidence of gastrointestinal complications was 2.51%. Patients with gastrointestinal complications were older (mean difference [MD]=4.88 [95% confidence interval [CI]: 2.85-6.92]; p<0.001) and had longer cardiopulmonary bypass times (MD=17.7 [95% CI: 4.81-30.5]; p=0.007). In-hospital mortality occurred in 423 of 1,640 (25.8%) patients with gastrointestinal complications. In-hospital mortality was 11.8 times higher in patients with gastrointestinal complications (odds ratio [OR]=11.8 [95% CI: 9.5-14.8]; p<0.001). Conclusion: The development of gastrointestinal complications after cardiac surgery is more commonly seen in patients with comorbidities. In-hospital mortality after cardiac surgery is 11.8 times higher in patients with gastrointestinal complications than in patients without.
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Duman et al. (2023) conducted a meta-analysis in Gastrointestinal complications after cardiac surgery (n=116,105). Gastrointestinal complications vs. No gastrointestinal complications was evaluated on In-hospital mortality (OR 11.8, 95% CI 9.5-14.8, p=<0.001). Gastrointestinal complications after cardiac surgery were associated with an 11.8-fold higher risk of in-hospital mortality (OR 11.8; 95% CI 9.5-14.8; p<0.001).
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