BACKGROUND: Prevention of vasospasm is a challenging issue in subarachnoid hemorrhage (SAH) patients and the objective is to compare high dobutamine-induced cardiac index (CI) and high norepinephrine-induced hypertension for the prevention of vasospasm in SAH patients. METHODS: Single center, single blind, controlled randomized study. Patients hospitalized in intensive care unit (ICU) for a moderate to severe SAH (WFNS grade ≥2) were randomized to receive dobutamine to reach a 25 % increase in cardiac index or norepinephrine to reach a mean arterial pressure≥100 mmHg. Norepinephrine could be used in the dobutamine group to maintain a cerebral pressure perfusion ≥60 mmHg. Primary endpoint was the incidence of angiographic vasospasm in the first 14 days in the ICU setting, which was upheld by a cerebral arteriography. Secondary endpoints were the incidence of delayed ischemic deficits, duration of mechanical ventilation, and ICU length of stay (LOS). RESULTS: During the 3-year study, 41 patients were randomized. Six patients were excluded--3 because of consent withdrawal and 3 who did not receive the assigned treatment. Respectively, 17 and 18 patients in the dobutamine and the norepinephrine group were kept in analysis. Five (28 %) patients in the dobutaminegroup and 5 (27 %) patients in the norepinephrine group developed vasospasm in ICU (p = 1). Seven (41 %) patients presented a delayed ischemic deficit in the dobutamine group and 9 (50 %) in the norepinephrine group (p = 0.24). Duration of mechanical ventilation was 8 [0.5-11.5] days in the dobutamine group and 19 [2.7-23] days in the norepinephrine group (p = 0.01). ICU LOS was 11 [6-15] days in the dobutamine group and 21 [9-28] days in the norepinephrine group (p = 0.01). CONCLUSION: As compared to norepinephrine-induced hypertension, dobutamine-induced high CI did not reduce the rate of vasospasm in SAH patients. Dobutamine may reduce durations of mechanical ventilation and ICU LOS.
RCT Entities:
BACKGROUND: Prevention of vasospasm is a challenging issue in subarachnoid hemorrhage (SAH) patients and the objective is to compare high dobutamine-induced cardiac index (CI) and high norepinephrine-induced hypertension for the prevention of vasospasm in SAHpatients. METHODS: Single center, single blind, controlled randomized study. Patients hospitalized in intensive care unit (ICU) for a moderate to severe SAH (WFNS grade ≥2) were randomized to receive dobutamine to reach a 25 % increase in cardiac index or norepinephrine to reach a mean arterial pressure ≥100 mmHg. Norepinephrine could be used in the dobutamine group to maintain a cerebral pressure perfusion ≥60 mmHg. Primary endpoint was the incidence of angiographic vasospasm in the first 14 days in the ICU setting, which was upheld by a cerebral arteriography. Secondary endpoints were the incidence of delayed ischemic deficits, duration of mechanical ventilation, and ICU length of stay (LOS). RESULTS: During the 3-year study, 41 patients were randomized. Six patients were excluded--3 because of consent withdrawal and 3 who did not receive the assigned treatment. Respectively, 17 and 18 patients in the dobutamine and the norepinephrine group were kept in analysis. Five (28 %) patients in the dobutamine group and 5 (27 %) patients in the norepinephrine group developed vasospasm in ICU (p = 1). Seven (41 %) patients presented a delayed ischemic deficit in the dobutamine group and 9 (50 %) in the norepinephrine group (p = 0.24). Duration of mechanical ventilation was 8 [0.5-11.5] days in the dobutamine group and 19 [2.7-23] days in the norepinephrine group (p = 0.01). ICU LOS was 11 [6-15] days in the dobutamine group and 21 [9-28] days in the norepinephrine group (p = 0.01). CONCLUSION: As compared to norepinephrine-induced hypertension, dobutamine-induced high CI did not reduce the rate of vasospasm in SAHpatients. Dobutamine may reduce durations of mechanical ventilation and ICU LOS.
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