Chronic cor pulmonale: a rare complication of undiagnosed pacemaker lead endocarditis

Insights

Pacemaker lead infections, though rare, can cause serious lung and heart problems. Early diagnosis using transesophageal echocardiography is crucial for managing these life-threatening complications.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Pulmonology

Background:

  • Permanent transvenous pacing is a common medical procedure.
  • Pacemaker lead infection is a rare but severe complication.
  • Septic pulmonary embolisms can arise from infected pacemaker leads.

Observation:

  • A young man presented with recurrent, undiagnosed septic pulmonary embolisms.
  • These embolisms originated from pacemaker lead vegetations.
  • The patient developed chronic cor pulmonale and pulmonary arterial hypertension.

Findings:

  • Pacemaker lead vegetations were identified as the source of septic emboli.
  • The patient's condition led to significant pulmonary hypertension and heart strain.
  • Undiagnosed infections can have devastating consequences.

Implications:

  • Highlights the critical need for vigilance regarding pacemaker lead infections.
  • Emphasizes the importance of transesophageal echocardiography in diagnosing lead-related complications.
  • Underscores the potential for severe cardiopulmonary sequelae from undetected pacemaker infections.

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