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Differences between cardiologists and internists in the management of heart failure. Medical guidelines compared with
Sławomir Stawicki1, Marek Roik, Mariusz Jasik
1Department of Cardiology, Medical Academy, Warsaw, Poland.
Insights
Cardiologists more frequently prescribe key heart failure medications like ACE inhibitors and beta-blockers compared to internists. Despite guideline knowledge, actual practice shows variations in optimal chronic heart failure treatment.
Area of Science:
- Cardiology
- Internal Medicine
- Clinical Pharmacy
Background:
- Chronic heart failure (CHF) treatment has advanced significantly.
- Randomized trials established angiotensin-converting enzyme inhibitors (ACE-I) and beta-blockers for reducing CHF mortality and morbidity.
Purpose of the Study:
- To compare the management of chronic heart failure (CHF) patients by cardiologists versus internists.
- To identify differences in medication prescribing patterns between specialist and generalist physicians.
Main Methods:
- Retrospective analysis of 433 CHF patients' medical records (October 2000 - May 2002).
- Comparison of treatment by cardiologists (241 patients) and internists (192 patients).
- Physician questionnaire data compared with actual patient medical files.
Main Results:
- Cardiologists prescribed ACE-I (77% vs 58%) and beta-blockers (80% vs 57%) more often than internists.
- Significant differences observed in diuretic and aldosterone antagonist use based on NYHA class.
- Cardiologists favored ACE-I and beta-blockers, while internists used digoxin and aldosterone antagonists more in NYHA class II patients.
Conclusions:
- Cardiologists demonstrate more frequent use of ACE-I and beta-blockers in CHF management.
- Physician knowledge of treatment guidelines does not always translate to consistent application in daily practice.
- Discrepancies in CHF treatment highlight potential areas for practice improvement and education.
Background:
A marked progress in the treatment of chronic heart failure (CHF) took place during the last decade. Large, randomised studies documented the role of angiotensin-converting enzyme inhibitors (ACE-I) and beta-blockers in the reduction of mortality and morbidity in CHF.
Aim:
To assess differences in the management of CHF patients between cardiologists and internists.
Methods:
Medical records of 433 patients with CHF, aged 38-98 years, hospitalised between October 2000 and May 2002 in an academic centre, were retrospectively analysed. Cardiologists treated 241 patients, and internists - 192 patients. In addition, 12 randomly selected physicians who treated CHF patients, filled-in a questionnaire concerning CHF treatment. Next, the answers were compared with the actual treatment, documented in patients medical files.
Results:
There were significant differences in the CHF treatment between cardiologists and internists. Cardiologists significantly more often prescribed ACE-I in NYHA class III patients (77% vs 58%, p=0.003), beta-blockers in all NYHA classes (80% vs 57%, p<0.001), loop diuretics in NYHA classes III and IV (76% vs 42%, p<0.001 and 91% vs 44%, p=0.005), and thiazides in NYHA class III patients (36% vs 11%, p<0.001). Internists more often used loop diuretics (37% vs 15%, p<0.001), digoxin (28% vs 7%, p<0.001) and aldosterone antagonists (24% vs 13%, p=0.022) in NYHA class II patients. All cardiologists and almost half of internists declared combined usage of ACE-I and beta-blockers at increasing dosages as the treatment was continued. The highest concordance between declared and actual medication concerned the concomitant use of ACE-I and beta-blockers.
Conclusions:
Cardiologists used more often ACE-I and beta-blockers than internists in the treatment of CHF patients. A satisfactory knowledge of treatment guidelines was not associated with widespread usage of ACE-I and beta-blockers in every-day practice.
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