Cardiology participation improves outcomes in patients with new-onset heart failure in the outpatient setting
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Published on: April 19, 2019
Maria Ansari1, Mark Alexander, Ali Tutar
1Cardiology Division, San Francisco VAMC, San Francisco, California 94121, USA.
Insights
Managing new-onset heart failure (HF) with cardiologists, rather than primary care physicians, significantly reduces the risk of death or cardiovascular hospitalization. Early cardiology intervention improves adherence to treatment guidelines for better heart failure outcomes.
Area of Science:
- Cardiology
- Public Health
- Health Services Research
Background:
- Previous studies on heart failure (HF) management often focused on inpatients, potentially missing the impact of early interventions.
- Understanding differences in outcomes for new-onset outpatient HF managed by different physician types is crucial for optimizing care pathways.
Purpose of the Study:
- To compare the clinical outcomes of new-onset heart failure (HF) patients managed by cardiologists versus primary care (PC) physicians.
- To identify if cardiology care in early-stage HF influences the risk of death or cardiovascular hospitalization.
Main Methods:
- Retrospective cohort study of 403 incident HF outpatients from 1996-1997.
- Cardiology care defined by visit frequency (>2 visits or >25% of total outpatient visits).
- Primary outcome: composite of death and/or cardiovascular hospitalization at 24 months.
Main Results:
- Cardiology patients were younger, more likely male, had higher rates of coronary artery disease, and lower ejection fraction (EF).
- Cardiology patients received more EF assessments and guideline-directed medical therapies (ACE inhibitors, beta-blockers).
- Cardiology care independently predicted a 38% lower risk of the composite outcome (HR 0.62, CI 0.42-0.93).
Conclusions:
- Early-stage heart failure (HF) management by cardiologists is associated with improved adherence to evidence-based guidelines.
- Cardiology care in new-onset HF outpatients significantly reduces the combined risk of death and cardiovascular hospitalization.
Objectives:
This study examined the outcomes of new-onset heart failure (HF) outpatients managed by cardiologists and primary care (PC) physicians.
Background:
Several studies have sought differences in outcomes between patients with HF managed by cardiologists and PC physicians, but most focused on inpatients, who often represent later stages of HF, whereas many treatments have their impact by delaying disease progression.
Methods:
This was a retrospective cohort study of incident HF identified between 1996 and 1997 in a staff model health maintenance organization. Cardiology care was defined as >/=2 visits or >/=25% of total medical outpatient visits to cardiology. Records from a cohort of 403 patients with new-onset outpatient HF were reviewed. The main outcome measure was a combination of death and/or cardiovascular hospitalization at 24 months.
Results:
Cardiologists' patients (n = 198) were younger (66 vs. 71 years, p = 0.001), were more likely men (54% vs. 46%, p = 0.01), had coronary artery disease (64% vs. 42%, p = 0.001), and had a low (=45%) ejection fraction (EF) (66% vs. 44%, p < 0.001) compared with PC physicians' patients. More cardiologists' patients received an EF assessment (94% vs. 74%, p < 0.001), angiotensin-converting enzyme inhibitors (83% vs. 68%, p < 0.001), and beta-blockers (38% vs. 22%, p < 0.001). In multivariate proportional hazards modeling that included variables that differed between providers and univariate predictors of outcomes, cardiology care was an independent predictor of a lower risk for the combined outcome (hazard ratio 0.62, confidence interval 0.42 to 0.93, p = 0.02).
Conclusions:
Cardiology care at this early stage of HF is associated with improved guideline adherence and a reduced risk of the composite outcome of death plus cardiovascular hospitalization.
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