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Factors affecting gentamicin pharmacokinetics in septic patients.
Tang, G J; Tang, J J; Lin, B S; Kong, C W; Lee, T Y.
Affiliation
  • Tang GJ; Department of Anesthesiology and Critical Care, Veterans General Hospital-Taipei and National Yang-Ming University, Taiwan, ROC.
Acta Anaesthesiol Scand ; 43(7): 726-30, 1999 Aug.
Article in En | MEDLINE | ID: mdl-10456812
BACKGROUND: This prospective, comparative study was designed to estimate the volume of distribution (Vd) and elimination rate constant (K(e)) of gentamicin and to determine the clinical factors affecting the pharmacokinetics of gentamicin in different stages of sepsis. METHOD: Seventy-seven critically ill patients treated with gentamicin for gram-negative sepsis were included. These septic patients were divided into hyperdynamic septic and hypodynamic septic groups according to cardiac index. Twenty-seven patients who received postoperative prophylactic gentamicin were recruited as controls. RESULTS: Fifty-two patients in the hyperdynamic septic group had a significantly larger Vd than those in the hypodynamic septic and control groups. The Vd was correlated significantly with both Acute Physiological Score (APS) (r=0.340, P<0.01) and cardiac index (r=0.394, P<0.01). The K(e) of gentamicin correlated significantly with both blood urea nitrogen (BUN) (r= 0.565, P<0.01) and serum creatinine level (r=0.563, P<0.01). CONCLUSION: The increased Vd in the septic patients was related to the severity of illness and magnitude of cardiac output. The K(e) of gentamicin was correlated with the serum creatinine level.
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Collection: 01-internacional Database: MEDLINE Main subject: Gentamicins / Gram-Negative Bacterial Infections / Sepsis / Anti-Bacterial Agents Type of study: Observational_studies / Prognostic_studies Limits: Aged / Female / Humans / Male / Middle aged Language: En Journal: Acta Anaesthesiol Scand Year: 1999 Document type: Article Country of publication: United kingdom
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Collection: 01-internacional Database: MEDLINE Main subject: Gentamicins / Gram-Negative Bacterial Infections / Sepsis / Anti-Bacterial Agents Type of study: Observational_studies / Prognostic_studies Limits: Aged / Female / Humans / Male / Middle aged Language: En Journal: Acta Anaesthesiol Scand Year: 1999 Document type: Article Country of publication: United kingdom