Herz · 2018
In HFREF patients, sacubitril/valsartan, given at relatively low doses, does not lead to increased mortality or hospitalization : A retrospective cohort study.
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De Vecchis R, Ariano C, Di Biase G, Noutsias M
Аннотация
INTRODUCTION: In heart failure with reduced left ventricular ejection fraction (HFREF) patients, the dosage of sacubitril/valsartan is modulated according to a gradual increase regimen. Nevertheless, if patients exhibit tolerability problems, a provisional reduction of the dose of sacubitril/valsartan or even its interruption are recommended.
MATERIAL AND METHODS: This study provides estimates of respective proportions of patients receiving minimum or intermediate doses of sacubitril/valsartan. In addition, a comparison was made to detect possible differences regarding all-cause mortality and heart failure hospitalization in patients treated with the recommended optimum dose compared to those receiving submaximum maintenance doses of sacubitril/valsartan.
RESULTS: Patients treated with sacubitril/valsartan in addition to beta-blocker and mineralocorticoid receptor blocker were 68. Among them, 20 patients (29.4%), were identified as having clinical features that were contraindications to the administration of sacubitril/valsartan at full dose. The subsequent decision was to maintain an intermediate dose in 11 patients and to reduce the dose to the minimum level allowed, i.e., 24 mg/26 mg twice daily in nine patients. After a median follow-up of 5.25 months, no differences were found concerning the risk of all-cause death by comparing patients treated with reduced versus those subjected to target doses of sacubitril/valsartan (odds ratio [OR] = 1.666; 95% confidence interval [CI] = 0.256-10.823; p = 0.6266). Patients taking reduced doses had a similar risk of heart failure hospitalizations when compared to patients treated with the target dose (OR = 0.789; 95% CI: 0.077-8.0808; p = 1.00).
CONCLUSION: During a median follow-up of 5.25 months, in the group of patients who had proven to be intolerant to the maximum dose of sacubitril/valsartan, use of reduced doses of the drug did not result in increased all-cause mortality or heart failure hospitalization compared to patients treated with sacubitril/valsartan at the target dose.
MATERIAL AND METHODS: This study provides estimates of respective proportions of patients receiving minimum or intermediate doses of sacubitril/valsartan. In addition, a comparison was made to detect possible differences regarding all-cause mortality and heart failure hospitalization in patients treated with the recommended optimum dose compared to those receiving submaximum maintenance doses of sacubitril/valsartan.
RESULTS: Patients treated with sacubitril/valsartan in addition to beta-blocker and mineralocorticoid receptor blocker were 68. Among them, 20 patients (29.4%), were identified as having clinical features that were contraindications to the administration of sacubitril/valsartan at full dose. The subsequent decision was to maintain an intermediate dose in 11 patients and to reduce the dose to the minimum level allowed, i.e., 24 mg/26 mg twice daily in nine patients. After a median follow-up of 5.25 months, no differences were found concerning the risk of all-cause death by comparing patients treated with reduced versus those subjected to target doses of sacubitril/valsartan (odds ratio [OR] = 1.666; 95% confidence interval [CI] = 0.256-10.823; p = 0.6266). Patients taking reduced doses had a similar risk of heart failure hospitalizations when compared to patients treated with the target dose (OR = 0.789; 95% CI: 0.077-8.0808; p = 1.00).
CONCLUSION: During a median follow-up of 5.25 months, in the group of patients who had proven to be intolerant to the maximum dose of sacubitril/valsartan, use of reduced doses of the drug did not result in increased all-cause mortality or heart failure hospitalization compared to patients treated with sacubitril/valsartan at the target dose.