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Influence of haemodialysis on the pharmacokinetics and haemodynamic effects of nifedipine during continuous intravenous infusion. 1986

C H Kleinbloesem, and P van Brummelen, and A J Woittiez, and H Faber, and D D Breimer

The pharmacokinetics and haemodynamic effects of nifedipine were studied in 5 patients on long term haemodialysis. In addition, clearance of the drug on 2 different types of artificial kidneys were measured in vitro. Nifedipine was administered intravenously (1.3 mg/h) from 6 hours before starting haemodialysis to the end of haemodialysis, performed according to the standard protocol of each patient. Before and during haemodialysis, blood samples were taken for determination of free and total plasma nifedipine concentrations. Recovery was determined by measuring nifedipine concentrations in the dialysate. Heart rate and systolic and diastolic blood pressures were determined serially. The haemodynamic changes during nifedipine were compared with those of 3 previous dialysis sessions. Haemodialysis was accompanied by a slight decrease in steady-state nifedipine concentrations. The recovery in dialysate varied between 0.6 and 0.9% of the amount infused during the period of dialysis. Artificial kidney clearance of nifedipine varied between 2.8 and 8.3 ml/min, which was in agreement with in vitro data. Changes in steady-state nifedipine concentrations were most likely due to changes in systemic clearance caused by haemodialysis itself. Systolic and diastolic blood pressure dropped by approximately 15% and 25%, respectively, in comparison with dialysis without nifedipine, but changes in heart rate were not different. It is concluded that nifedipine is poorly dialysable. During haemodialysis, blood pressure is markedly reduced but dose schedules need not to be changed.

UI MeSH Term Description Entries
D007262 Infusions, Intravenous The long-term (minutes to hours) administration of a fluid into the vein through venipuncture, either by letting the fluid flow by gravity or by pumping it. Drip Infusions,Intravenous Drip,Intravenous Infusions,Drip Infusion,Drip, Intravenous,Infusion, Drip,Infusion, Intravenous,Infusions, Drip,Intravenous Infusion
D007676 Kidney Failure, Chronic The end-stage of CHRONIC RENAL INSUFFICIENCY. It is characterized by the severe irreversible kidney damage (as measured by the level of PROTEINURIA) and the reduction in GLOMERULAR FILTRATION RATE to less than 15 ml per min (Kidney Foundation: Kidney Disease Outcome Quality Initiative, 2002). These patients generally require HEMODIALYSIS or KIDNEY TRANSPLANTATION. ESRD,End-Stage Renal Disease,Renal Disease, End-Stage,Renal Failure, Chronic,Renal Failure, End-Stage,Chronic Kidney Failure,End-Stage Kidney Disease,Chronic Renal Failure,Disease, End-Stage Kidney,Disease, End-Stage Renal,End Stage Kidney Disease,End Stage Renal Disease,End-Stage Renal Failure,Kidney Disease, End-Stage,Renal Disease, End Stage,Renal Failure, End Stage
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009543 Nifedipine A potent vasodilator agent with calcium antagonistic action. It is a useful anti-anginal agent that also lowers blood pressure. Adalat,BAY-a-1040,Bay-1040,Cordipin,Cordipine,Corinfar,Fenigidin,Korinfar,Nifangin,Nifedipine Monohydrochloride,Nifedipine-GTIS,Procardia,Procardia XL,Vascard,BAY a 1040,BAYa1040,Bay 1040,Bay1040,Monohydrochloride, Nifedipine,Nifedipine GTIS
D001794 Blood Pressure PRESSURE of the BLOOD on the ARTERIES and other BLOOD VESSELS. Systolic Pressure,Diastolic Pressure,Pulse Pressure,Pressure, Blood,Pressure, Diastolic,Pressure, Pulse,Pressure, Systolic,Pressures, Systolic
D005260 Female Females
D006339 Heart Rate The number of times the HEART VENTRICLES contract per unit of time, usually per minute. Cardiac Rate,Chronotropism, Cardiac,Heart Rate Control,Heartbeat,Pulse Rate,Cardiac Chronotropy,Cardiac Chronotropism,Cardiac Rates,Chronotropy, Cardiac,Control, Heart Rate,Heart Rates,Heartbeats,Pulse Rates,Rate Control, Heart,Rate, Cardiac,Rate, Heart,Rate, Pulse
D006435 Renal Dialysis Therapy for the insufficient cleansing of the BLOOD by the kidneys based on dialysis and including hemodialysis, PERITONEAL DIALYSIS, and HEMODIAFILTRATION. Dialysis, Extracorporeal,Dialysis, Renal,Extracorporeal Dialysis,Hemodialysis,Dialyses, Extracorporeal,Dialyses, Renal,Extracorporeal Dialyses,Hemodialyses,Renal Dialyses

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