PubMed · 9499721
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V Hansteen. 1998-01-30. [Digitalis glycosides].. https://pubmed.ncbi.nlm.nih.gov/9499721/
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HEART FAILURE: Digoxin therapy has no effect on mortality in heart failure. Digoxin may be useful for maintaining clinical stability and exercise capacity in patients with symptomatic heart failure. Digoxin appears to be of most benefit in patients with severe heart failure, cardiomegaly and a third heart sound. Digoxin should be used as a second-line drug after diuretics, angiotensin-converting enzyme inhibitors and beta-blockers in patients with congestive heart failure who are in sinus rhythm. Digoxin should be used as a first-line drug in patients with congestive heart failure who are in atrial fibrillation. ARRHYTHMIAS: Digoxin has a limited, but useful, role, either alone or in combination with other agents such as beta-blockers, diltiazem or verapamil, in achieving satisfactory resting ventricular rate control in patients with chronic atrial fibrillation. In patients who lead a predominantly sedentary lifestyle (perhaps particularly in those who are elderly), digoxin alone may be the agent of choice.
BACKGROUND: The precise incidence and cause of atrioventricular block (AVB) after heart transplantation remain uncertain. METHODS AND RESULTS: After surgery, immediate and follow-up electrocardiograms from 1047 consecutive patients who underwent heart transplantation were reviewed for AVB and correlated with clinical symptoms, laboratory data, rejection grade, and echocardiogram and coronary angiography findings. A total of 113 patients demonstrated various kinds of AVB; the incidence was 10.8%. First-degree AVB occurred in 87 patients, 37 of whom also demonstrated persistent atrial tachyarrhythmias (ATAs). In 30 patients, first-degree AVB occurred 7 days to 120 months after heart transplantation. Among those, 88% demonstrated cellular rejection, and 20% developed transplant coronary artery disease (TCAD). Fifty patients demonstrated first-degree AVB without ATA, 32 of whom developed AVB from operative day 7 to 156 months. The incidence of cellular rejection was significantly lower (36%, P<0.01), and the rejection was less severe. In 18 patients, AVB occurred early postoperatively (0-7 days), and most were secondary to surgical injury. Second-degree AVB Mobitz I occurred in six patients (four patients with TCAD and two patients undergoing percutaneous transluminal coronary angioplasty). One patient developed Mobitz II during coronary artery stenting. Complete AVB (CAVB) occurred in 19 patients. Nine episodes of CAVB occurred during endomyocardial biopsy or coronary angiography, and four occurred immediately after heart transplantation as the result of surgical insult. CONCLUSION: These results indicate that first-degree AVB is causatively related to cellular rejection and TCAD-induced atrial conduction disturbance. Second-degree AVB and CAVB were mainly the consequences of surgical and catheter intervention injury.
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