Comparison of Characteristics and Outcomes Between Acute Ischemic Stroke Patients with Different Types of Heart Failure

Wu Jiongxing, Chen Mingxi, Wang Huan, Zhu Yuyi, Chen Yaqi, Zhang Shihong, Wang Deren

doi:10.1536/ihj.22-717

Acute ischemic stroke (AIS) can be complicated by heart failure involving preserved ejection fraction (HFpEF) or reduced ejection fraction (HFrEF), and whether or not the prognosis differs between the 2 types of patients remains unclear. We compared the clinical characteristics and outcomes of the 2 types of patients at 3 months after the stroke.We retrospectively analyzed patients who, between 1 January 2018 and 1 January 2021, experienced AIS that was complicated by HFrEF or HFpEF. All patients had been prospectively registered in the Chengdu Stroke Registry. Poor outcome was defined as a modified Rankin Scale (mRS) score of 2-6 at 3 months. Univariate and binary logistic regression was used to assess whether HFpEF was associated with a significantly worse prognosis than HFrEF.Among the final sample of 108 patients (60.2% men; mean age, 73.08 ± 10.82 years), 75 (69.4%) had HFpEF. Compared to HFrEF patients, those with HFpEF were older (P = 0.002), were more likely to have chronic kidney disease (P = 0.033), and were more likely to experience a poor outcome (P = 0.022). After adjustments, HFpEF was associated with significantly greater risk of poor outcome than HFrEF (OR 4.13, 95%CI 1.20-15.79, P = 0.029). However, rates of hemorrhagic transformation or mortality at 3 months after AIS did not differ significantly between the 2 types of heart failure (all P > 0.05).Patients with AIS involving HFpEF experience worse outcomes than those with HFrEF and therefore may require special monitoring and management. Our findings need to be verified in large prospective studies.

Comparison of Characteristics and Outcomes Between Acute Ischemic Stroke Patients with Different Types of Heart Failure

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