[Therapeutic effectiveness of lidocaine in patients with ventricular arrhythmias estimated relative to measurements of drug concentration in serum].
Therapeutic effectiveness of lidocaine intravenous infusions preceded by an initial intravenous dose was studied in 29 patients with ventricular arrhythmias in a course of ischemic heart disease admitted to CCU. Clinical effects were evaluated in correlation with obtained lidocaine concentrations and basic pharmacokinetic parameters. Regression of cardiac arrhythmias was stated in 23 patients (79.3%), inclusive of all acute MI cases. Partial therapeutic effect was observed in 4 patients (13.8%) and no effect in 2 (6.9%). In 12 patients (52.2%) with stated regression of ventricular arrhythmias the full therapeutic effect was observed after initial dose administration. Serum drug concentrations were above the lower limit of the therapeutic range in all cases. Side effects were observed in 3 cases with high serum lidocaine levels caused by impaired drug metabolism or elimination due to the patient's clinical state. Correlation between the infusion rate and obtained stationary condition of drug concentration within therapeutic range seemed to be highly effective in management of ventricular premature beats caused by acute myocardial ischemia but less effective in cases of ischemic and postinfarction cardiomyopathy with heart failure.
Sinkiewicz
W
W
Marzec
A
A
Hoffman
A
A
Jankowski
A
A
Bartuzi
Z
Z
Romański
B
B
D000368:Aged; D001145:Arrhythmias, Cardiac / Q000188:drug therapy* / Q000209:etiology; D003327:Coronary Disease / Q000150:complications; D006801:Humans; D007262:Infusions, Intravenous; D008012:Lidocaine / Q000009:adverse effects / Q000097:blood / Q000627:therapeutic use*; D008875:Middle Aged
D008012:Lidocaine
Skuteczność terapeutyczna lidokainy u chorych z komorowymi zaburzeniami rytmu serca, oceniana z uwzglednieniem pomiaru stezenia leku we krwi.