Diabetes Does Not Increase In-hospital or Short-term Mortality in Patients Undergoing Surgical Repair for Type A Aortic Dissection: Insight from the National Readmission Database

Overview

Journal Cardiovasc Diabetol

Publisher Biomed Central

Specialties Cardiology & Vascular Diseases
Endocrinology

Date 2024 Dec 6

PMID 39643900

Authors

Hamza Chaudhry

Soha Dargham

Amin Jayyousi

Jassim Al Suwaidi

Charbel Abi Khalil

Affiliations

Soon will be listed here.

Abstract

Background: Previous studies have reported a protective effect of type 2 diabetes on the incidence and progression of aortic aneurysms. We investigated whether this protective effect extends to aortic dissections.

Methods: Data from the US Nationwide Readmission Database (2016-2019) were analyzed. Patients admitted for open surgery repair of acute type A aortic dissection (TAAD) were initially analyzed (index group). Those discharged alive were followed for up to 30 days (readmission group). The co-primary outcomes were in-hospital and 30-day mortality.

Results: Between 2016 and 2019, 7,324 patients were admitted for open surgical repair of acute TAAD, of whom 965 (13.2%) had diabetes. Patients with diabetes were older and had a higher prevalence of obesity, hypertension, smoking, dyslipidemia, and chronic kidney disease (CKD). 15.2% of patients with diabetes and 14.6% without diabetes died; hence, diabetes did not have a significant impact on in-hospital mortality (adjusted odd ratio [aOR] = 1.02 [0.84-1.24]). Similarly, diabetes was not associated with a higher adjusted risk of atrial fibrillation (aOR = 1.03 [0.89-1.20]), stroke (aOR = 0.83 [0.55-1.26]), cardiogenic shock (aOR = 1.18 [0.98-1.42]), but increased the risk of acute renal failure (aOR = 1.20 [1.04-1.39]). Within 30 days of discharge, 154 (15.9%) patients with diabetes and 952 (15%) from the non-diabetes group were readmitted. Readmitted patients with diabetes were older and had a higher prevalence of cardiovascular comorbidities. We didn't observe any significant difference in the adjusted risk of 30-day mortality between the diabetes and non-diabetes groups (adjusted hazard ratio [aHR] = 0.81 [0.41-1.60]). However, diabetes was associated with a lower risk of readmission (aHR = 0.81 [0.68-0.97]). Age was the most significant predictor of all outcomes. CKD was the most significant predictor of 30-day mortality, with the risk increasing five-fold in patients with diabetes (HR = 5.58 [2.58-6.62]. Cardiovascular-related conditions were the most common causes of readmission in both groups. However, respiratory-related conditions were more prevalent in the diabetes group compared to the non-diabetes group (19.5% vs. 13%, respectively, p = 0.032).

Conclusions: Diabetes does not increase in-hospital or short-term mortality in patients undergoing surgical repair for Type A aortic dissection.

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