Abstract:
BACKGROUND AND OBJECTIVE:We set out to compare the efficacy of clevidipine and sodium nitroprusside infusions in the control of blood pressure and the haemodynamic changes they produce in hypertensive patients after operation for elective coronary bypass grafting. METHODS:Thirty patients were randomly allocated to receive either clevidipine or sodium nitroprusside after their mean arterial pressure (MAP) had reached > 90 mmHg for at least 10 min in the postoperative period. The MAP was continuously measured and related to time. Thus, the efficacy of the drugs in controlling arterial pressure could be inversely related to the total area under the MAP-time curve outside a target MAP range of 70-80 mmHg normalized per hour (AUC(MAP) mmHg min h(-1)). Haemodynamic variables and the number of dose-rate adjustments required to maintain MAP were also studied. RESULTS:There was no statistically significant difference in the efficacy (AUC(MAP) mmHg min h(-1)) of clevidipine (106 +/- 25 mmHg min h(-1)) compared with sodium nitroprusside (101 +/- 28 mmHg min h(-1)). Nor was any significant difference found in the total number of dose adjustments required to control MAP within the target range. The heart rate in patients receiving clevidipine increased less than in those given sodium nitroprusside. Stroke volume, central venous pressure and pulmonary artery pressure were significantly reduced upon administration of sodium nitroprusside but not of clevidipine. CONCLUSIONS:There was no significant difference between clevidipine and sodium nitroprusside in their efficacy in controlling MAP. The haemodynamic changes, including tachycardia, were less pronounced with clevidipine than with sodium nitroprusside.
journal_name
Eur J Anaesthesioljournal_title
European journal of anaesthesiologyauthors
Powroznyk AV,Vuylsteke A,Naughton C,Misso SL,Holloway J,Jolin-Mellgård A,Latimer RD,Nordlander M,Feneck ROdoi
10.1017/s0265021503001133subject
Has Abstractpub_date
2003-09-01 00:00:00pages
697-703issue
9eissn
0265-0215issn
1365-2346journal_volume
20pub_type
临床试验,杂志文章,随机对照试验abstract::Regional anaesthesia for abdominal hysterectomy is commonly combined with heavy sedation or light general anaesthesia in order to avoid the occurrence of visceral pain. Our clinical experience has indicated that this pain can be controlled using regional anaesthesia techniques alone. In an effort to find the optimal t...
journal_title:European journal of anaesthesiology
pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:European journal of anaesthesiology
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journal_title:European journal of anaesthesiology
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