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Published on: June 10, 2025
Prognosis of hospitalized new-onset systolic heart failure in Indo-Asians--a lethal problem
Fahim H Jafary1, Mahesh Kumar, Irfan E Chandna
1Department of Medicine, Section of Cardiology, Aga Khan University Hospital, Karachi, Pakistan.
Insights
Hospitalized systolic heart failure (SHF) patients in Indo-Asians face a poor prognosis. Key predictors of death include low serum sodium, high admission pulse, low systolic blood pressure, and severe mitral regurgitation.
Area of Science:
- Cardiology
- Internal Medicine
- Public Health
Background:
- Systolic heart failure (SHF) hospitalization indicates a poor prognosis, especially in Indo-Asians where cardiovascular disease is rising.
- Limited data exists on SHF outcomes in the Indo-Asian population.
Purpose of the Study:
- To determine the frequency and predictors of mortality and morbidity in patients admitted with new-onset SHF in Pakistan.
Main Methods:
- Retrospective review of 196 new-onset SHF patients (ejection fraction <40%) at a tertiary care hospital.
- Kaplan-Meier survival analysis and Cox regression modeling were used.
- Exclusion criteria included in-hospital death, life-limiting concomitant disease, and lack of follow-up.
Main Results:
- The mean age was 61 years, with 77% having prior ischemic heart disease and a mean ejection fraction of 25%.
- Median follow-up was 379 days. 27.5% died, and 52% experienced death or re-hospitalization for SHF.
- Independent predictors of death were lower serum sodium, higher admission pulse, lower systolic blood pressure, and severe mitral regurgitation.
Conclusions:
- Admission for new-onset SHF portends a grave 1-year prognosis for Indo-Asians.
- Preventing ischemic heart disease is crucial, as developing nations face significant challenges in managing heart failure.
Background:
Systolic heart failure (SHF), particularly when requiring hospital admission carries a poor prognosis. There is a paucity of data in Indo-Asians on outcomes of SHF, among whom the burden of cardiovascular disease is consistently rising. The purpose of this study was to determine the frequency and predictors of mortality and morbidity amongst patients admitted with new-onset SHF at a tertiary care hospital in Pakistan.
Methods And Results:
Hospital charts of 196 patients with a diagnosis of new or recent onset (<3 months) SHF (ejection fraction [EF] <40%) were reviewed. Patients who died during the admission, those with life-limiting concomitant disease, and those without follow-up were excluded. Survival was calculated according to the Kaplan-Meier method. Hazards ratios (HR) and 95% confidence intervals (CI) were calculated using Cox's regression model. Mean age (SD) was 61 (12.8) years. Majority (77%) had a prior ischemic heart disease. Mean EF (SD) was 25% (8.7). Median follow-up period was 379 days. Fifty-four (27.5%) patients died (at least 12 [22.2%] sudden deaths) and 102 (52%) experienced combined event of death or repeat hospitalization for SHF. Factors independently associated with death included (HR [95% CI]), serum sodium (0.94 [0.90-0.97]), admission pulse (1.02 [1.01-1.04]), systolic blood pressure (0.98 [0.97-0.99]), and severe mitral regurgitation (1.90 [1.03-3.48]).
Conclusions:
Admission for new or recent onset SHF predicts a grave 1-year prognosis in Indo-Asians. Measures to prevent ischemic heart disease and its sequelae are essential because developing nations simply cannot afford to treat and manage heart failure.
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