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Complete heart block in systemic sclerosis: A case report and literature review

Qinghai Wang1, Yinghui Shang2, Shicheng Li1

  • 1Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing.

Medicine
|November 16, 2018
PubMed

Insights

Systemic sclerosis (SSc) can cause concealed complete heart block (CHB). Pacemaker implantation may be necessary for SSc-related CHB, even in asymptomatic patients, highlighting the need for regular cardiac monitoring.

Area of Science:

  • Cardiology
  • Rheumatology
  • Medical Case Reports

Background:

  • Complete heart block (CHB) is a recognized clinical condition.
  • Systemic sclerosis (SSc) is an uncommon cause of CHB, often overlooked.
  • The necessity of pacemaker implantation for SSc-associated CHB, particularly in asymptomatic or mildly symptomatic cases, remains unclear.

Observation:

  • A 48-year-old male with SSc presented with CHB.
  • Previous diagnoses included left anterior hemiblock and right bundle branch block.
  • CHB was detected during routine electrocardiogram follow-up.

Findings:

  • A dual-chamber pacemaker was successfully implanted.
  • The patient experienced resolution of exertional dyspnea post-implantation.
  • The SSc-related CHB was initially concealed, emphasizing the insidious nature of the condition.

Implications:

  • Regular cardiac monitoring is crucial for patients with SSc.
  • Pacemaker implantation may be an essential intervention for SSc-induced CHB, irrespective of symptom severity.
  • This case underscores the importance of considering SSc as a potential cause of CHB.
Abstract

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