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The impact of tolvaptan on the long-term outcomes of patients with heart failure (HF) remains inconclusive. We evaluated patients requiring long-term congestion management for the time to rehospitalization for HF (HF rehospitalization), the time to in-hospital death and explored the factors that may influence the outcomes.Using data (April 2008 to September 2019) from a medical claims database, patients with HF prescribed tolvaptan (tolvaptan cohort) and those prescribed loop diuretics before tolvaptan was introduced to the hospital (furosemide cohort) were compared. Patients with HF who experienced ≥2 HF hospitalizations and ≥ 1 tolvaptan or loop diuretic prescription during and after HF hospitalization were included. Data of patients with serum creatinine and estimated glomerular filtration rate were analyzed for time to HF rehospitalization and in-hospital death within 1 year after the second discharge and factors that may influence the outcomes.Among the 1931 and 631 tolvaptan and furosemide cohort patients, respectively, time to HF rehospitalization was not significantly different (p = 0.0921); time to in-hospital death was significantly longer in the tolvaptan cohort than in the furosemide cohort (p = 0.0005). Age, serum sodium, angiotensin-converting enzyme inhibitors or angiotensin II receptor blockers were identified as factors for both outcomes (p 0.05).Tolvaptan did not significantly affect time to HF rehospitalization. However, further worsening of the condition leading to death may be delayed, and time to in-hospital death may be prolonged in patients treated with tolvaptan, indicating its usefulness for long-term congestion management. |
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