Related Experiment Videos
[Serum digoxin level in patients with dilated cardiomyopathy]
F M Fruhwald1, N Watzinger, M Schumacher
1Klinischen Abteilung für Kardiologie, Medizinischen Universitätsklinik Graz.
Wiener Medizinische Wochenschrift (1946)
|January 1, 1996
Summary
Measuring serum digoxin levels in patients with idiopathic dilated cardiomyopathy (IDC) helps optimize digoxin dosage. Low digoxin levels often result from insufficient patient intake, justifying routine monitoring to improve treatment efficacy.
Area of Science:
- Cardiology
- Pharmacology
Background:
- Idiopathic dilated cardiomyopathy (IDC) is a significant cause of heart failure.
- Digoxin is commonly prescribed for heart failure management, but its therapeutic range is narrow.
Purpose of the Study:
- To determine the utility of measuring serum digoxin levels for dose adjustment in IDC patients.
- To identify factors contributing to suboptimal digoxin serum concentrations.
Main Methods:
- Serum digoxin levels were measured in 77 IDC patients after at least 6 months of treatment with beta-acetyldigoxin.
- Patient demographics, daily digoxin dosage, and concomitant medications (ACE inhibitors, diuretics) were recorded.
Main Results:
- The mean serum digoxin level was 0.96 ng/ml with a mean daily dose of 0.24 mg.
- Patients with digoxin levels within the recommended range received a slightly higher daily dose (0.26 mg) compared to those with low levels (0.23 mg, p < 0.05).
- Low serum digoxin levels were primarily associated with lower medication intake.
Conclusions:
- Measuring serum digoxin levels is justified in IDC patients to guide dose adjustments and ensure therapeutic efficacy.
- Low digoxin intake is a key factor in achieving suboptimal serum concentrations, highlighting the need for monitoring and patient adherence assessment.