American heart journal · 2012
Incidence, clinical predictors, and prognostic impact of worsening renal function in elderly patients with chronic heart failure on intensive medical therapy.
Сравнительное исследованиеСтатьяМногоцентровое исследованиеРандомизированное исследованиеНазвание и аннотация: Перевод в очереди
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Maeder Micha T, Rickli Hans, Pfisterer Matthias E, Muzzarelli Stefano, Ammann Peter, Fehr Thomas, Hack Dietrich, Weilenmann Daniel, Dieterle Thomas, Kiencke Stephanie, Estlinbaum Werner, Brunner-La Rocca Hans-Peter, TIME-CHF Investigators
Аннотация
BACKGROUND: Incidence, predictors, and prognostic impact of worsening renal function (WRF) in elderly patients with chronic heart failure (HF) undergoing intensive contemporary medical therapy are unknown.
METHODS AND RESULTS: In 566 patients (age 77 ± 8 years) included in the TIME-CHF, serum creatinine (sCr) was repeatedly measured up to 6 months. Worsening renal function was classified as increase in sCr by 0.2 to 0.3 (WRFI), 0.3 to 0.5 (WRFII), or ≥0.5 mg/dL (WRFIII) within the first 6 months. Outcome events were assessed for 18 months.
RESULTS: The incidence of WRF I, II, and III was 12%, 19%, and 22%, respectively. Worsening renal function III was associated with increased mortality (hazard ratio 1.98 [95% CI 1.27-3.07, P = .002] vs no WRF), whereas WRF I/II was not. History of renal failure, spironolactone treatment, higher baseline dose, and higher maximal increase in loop diuretic dose were independently associated with the occurrence of WRF III, whereas angiotensin-converting enzyme inhibitor, angiotensin receptor blocker, and β-blocker use and allocation to N-terminal pro-B-type natriuretic peptide-guided management were not. Worsening renal function III was an independent predictor of death, death or hospitalization, and death or HF hospitalization also after adjusting for baseline characteristics.
CONCLUSIONS: One fifth of elderly patients with chronic HF experienced WRF III on 6-month intensive HF treatment. These patients had higher mortality, whereas patients with smaller sCr rises did not. Occurrence of WRF III was associated with high doses of loop diuretics and spironolactone use but not with other treatments.
METHODS AND RESULTS: In 566 patients (age 77 ± 8 years) included in the TIME-CHF, serum creatinine (sCr) was repeatedly measured up to 6 months. Worsening renal function was classified as increase in sCr by 0.2 to 0.3 (WRFI), 0.3 to 0.5 (WRFII), or ≥0.5 mg/dL (WRFIII) within the first 6 months. Outcome events were assessed for 18 months.
RESULTS: The incidence of WRF I, II, and III was 12%, 19%, and 22%, respectively. Worsening renal function III was associated with increased mortality (hazard ratio 1.98 [95% CI 1.27-3.07, P = .002] vs no WRF), whereas WRF I/II was not. History of renal failure, spironolactone treatment, higher baseline dose, and higher maximal increase in loop diuretic dose were independently associated with the occurrence of WRF III, whereas angiotensin-converting enzyme inhibitor, angiotensin receptor blocker, and β-blocker use and allocation to N-terminal pro-B-type natriuretic peptide-guided management were not. Worsening renal function III was an independent predictor of death, death or hospitalization, and death or HF hospitalization also after adjusting for baseline characteristics.
CONCLUSIONS: One fifth of elderly patients with chronic HF experienced WRF III on 6-month intensive HF treatment. These patients had higher mortality, whereas patients with smaller sCr rises did not. Occurrence of WRF III was associated with high doses of loop diuretics and spironolactone use but not with other treatments.