Key result
Sagging heart syndrome, characterized by marked postural descent of the heart following significant weight loss, caused acute passive fixation atrial lead dislodgment in two patients.
Case Report (n=2)
Significant weight loss may lead to 'sagging heart syndrome', predisposing patients to acute passive fixation atrial lead dislodgment and necessitating the use of active fixation leads.
Acute passive fixation atrial lead dislodgment occurred due to an unexpected and marked postural descent of the heart after permanent pacemaker implantation in two patients. Sagging of the heart in these two individuals may have been related to a history of morbid obesity followed by weight loss of over 100 pounds. Lead replacement with active fixation leads was required in both cases. The term "sagging heart syndrome" is proposed to describe this clinical entity. In certain adult populations, such as in patients with a history of significant weight loss, the "sagging heart syndrome" may represent a previously unrecognized cause of acute lead dislodgment.
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Iskos et al. (1999) conducted a case report in Acute passive fixation atrial lead dislodgment (n=2). Sagging heart syndrome (postural descent of the heart following significant weight loss) was evaluated on Acute passive fixation atrial lead dislodgment requiring lead replacement. Sagging heart syndrome, characterized by marked postural descent of the heart following significant weight loss, caused acute passive fixation atrial lead dislodgment in two patients.
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