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2016 ; 3
(3
): 177-188
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Randomized pilot trial comparing tolvaptan with furosemide on renal and
neurohumoral effects in acute heart failure
#MMPMID27818782
Jujo K
; Saito K
; Ishida I
; Furuki Y
; Kim A
; Suzuki Y
; Sekiguchi H
; Yamaguchi J
; Ogawa H
; Hagiwara N
ESC Heart Fail
2016[Sep]; 3
(3
): 177-188
PMID27818782
show ga
AIMS: Loop diuretics are first-line medications for congestive heart failure
(CHF); however, they are associated with serious adverse effects, including
decreased renal function, and sympathetic nervous and renin-angiotensin system
activation. We tested whether tolvaptan, a vasopressin V2-receptor antagonist,
could reduce unfavourable furosemide-induced effects during CHF treatment.
METHODS AND RESULTS: Sixty patients emergently hospitalized owing to CHF-induced
dyspnea were randomly assigned to receive either 40?mg intravenous furosemide
daily or 7.5?mg oral tolvaptan for 5?days after admission. Both groups also
received intravenous carperitide and canrenoate potassium. As results, baseline
patient characteristics were similar between the furosemide (n?=?30) and the
tolvaptan (n?=?30) groups, with no significant difference in 5?day urine volume
or fluid balance. Brain natriuretic peptide and body weight improvements were
similar between groups. However, serum creatinine (Cr) level did not increase,
and the incidence of worsening renal function was significantly lower in the
tolvaptan group. Consequently, the Cr increase to gain 1000?mL urine was 2.5-fold
lower in the tolvaptan group. Furthermore, the blood urea nitrogen (BUN)/Cr ratio
significantly decreased in the tolvaptan group, suggesting that renal perfusion
was preserved, and urea reuptake and passive water reabsorption were suppressed
following tolvaptan treatment. Although catecholamine improvements after
treatment were not significantly different, plasma renin activity was enhanced in
the furosemide group. CONCLUSIONS: As compared with furosemide, tolvaptan in
patients with acute heart failure is associated with comparable decongestion,
better preservation of renal function and less activation of renin-angiotensin
system. (UMIN 000014134).