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Nakada, Y. et al.

Echocardiographic characteristics of patients with acute heart failure requiring tolvaptan: a retrospective study.

BACKGROUND: No study has investigated the admission echocardiographic characteristics of acute heart failure (AHF) patients who are resistant to conventional diuretics and require tolvaptan. METHODS: We retrospectively analyzed the echocardiographic characteristics of AHF patients who were resistant to conventional diuretics and took tolvaptan (tolvaptan group: 26 patients), and compared them to those who were sensitive to conventional diuretics (conventional group: 180 patients). RESULTS: The tolvaptan group had a higher left atrial volume index (96.0 ± 85.0 mL/m2 vs. 45.8 ± 25.9 mL/m2, p < 0.0001), maximum inferior vena cava diameter (20.7 ± 6.9 mm vs. 18.1 ± 4.2 mm, p < 0.01), and higher tricuspid regurgitation grade (1.1 ± 0.8 vs. 0.8 ± 0.6, p < 0.05) than the conventional group. However, the left ventricular ejection fraction and end diastolic diameter were similar between the groups. Responders of tolvaptan had no significant echocardiographic differences compared to the non-responders. CONCLUSIONS: The admission echocardiographic characteristics of AHF patients requiring tolvaptan included a larger left atrium, inferior vena cava, and more severe tricuspid regurgitation. Echocardiography may provide useful information for the early and appropriate initiation of tolvaptan.[1]

References

Echocardiographic characteristics of patients with acute heart failure requiring tolvaptan: a retrospective study. Nakada, Y., Okayama, S., Nakano, T., Ueda, T., Onoue, K., Takeda, Y., Kawakami, R., Horii, M., Uemura, S., Fujimoto, S., Saito, Y. Cardiovasc. Ultrasound (2015) [Pubmed]

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