Pharmacokinetics of midazolam in anaesthetized cirrhotic patients. 1988

J H Trouvin, and R Farinotti, and J P Haberer, and F Servin, and M Chauvin, and P Duvaldestin
Département d'Anesthésiologie, Hôpital Bichat, Paris, France.

The pharmacokinetics of midazolam were compared in cirrhotic patients (n = 10) and control patients (n = 9), during general anaesthesia. Total plasma clearance was 637 +/- 223 ml min-1 (mean +/- SD) in control patients and 402 +/- 170 ml min-1 in cirrhotic patients (P less than 0.05). The total volume of distribution was similar. Elimination half-life was 135 +/- 40 min in controls and 168 +/- 30 min in cirrhosis (P less than 0.05). Protein binding was evaluated by equilibrium dialysis in both groups at two concentrations of midazolam: 20 and 500 micrograms litre-1. No saturation occurred, but the free fraction was 4.9 +/- 1.7% in cirrhotic patients, compared with 1.9 +/- 0.6% in controls (P less than 0.01). Despite its mainly hepatic elimination, midazolam disposition appears to be only slightly impaired in cirrhotic patients.

UI MeSH Term Description Entries
D008104 Liver Cirrhosis, Alcoholic FIBROSIS of the hepatic parenchyma due to chronic excess ALCOHOL DRINKING. Alcoholic Cirrhosis,Hepatic Cirrhosis, Alcoholic,Alcoholic Hepatic Cirrhosis,Alcoholic Liver Cirrhosis
D008297 Male Males
D008874 Midazolam A short-acting hypnotic-sedative drug with anxiolytic and amnestic properties. It is used in dentistry, cardiac surgery, endoscopic procedures, as preanesthetic medication, and as an adjunct to local anesthesia. The short duration and cardiorespiratory stability makes it useful in poor-risk, elderly, and cardiac patients. It is water-soluble at pH less than 4 and lipid-soluble at physiological pH. Dormicum,Midazolam Hydrochloride,Midazolam Maleate,Ro 21-3981,Versed,Hydrochloride, Midazolam,Maleate, Midazolam,Ro 21 3981,Ro 213981
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D000768 Anesthesia, General Procedure in which patients are induced into an unconscious state through use of various medications so that they do not feel pain during surgery. Anesthesias, General,General Anesthesia,General Anesthesias
D012709 Serum Albumin A major protein in the BLOOD. It is important in maintaining the colloidal osmotic pressure and transporting large organic molecules. Plasma Albumin,Albumin, Serum

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