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Cor pulmonale due to obstructive sleep apnoea

C K Liam1

  • 1Department of Medicine, University Hospital, Faculty of Medicine, University of Malaya, Kuala Lumpur.

The Medical Journal of Malaysia
|September 1, 1993
PubMed
Summary
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Obstructive sleep apnea (OSA) can lead to obesity-hypoventilation syndrome, causing severe health issues. Nocturnal CPAP treatment effectively improved symptoms and respiratory function in a patient with this condition.

Area of Science:

  • Cardiology
  • Pulmonology
  • Sleep Medicine

Background:

  • Obstructive sleep apnea (OSA) is a common sleep disorder.
  • Obesity-hypoventilation syndrome (OHS) is a serious complication of OSA.
  • Right ventricular failure can occur secondary to OHS.

Observation:

  • A 47-year-old male presented with hypercapnic respiratory failure and right ventricular failure.
  • He had a history of chronic loud snoring and daytime sleepiness.
  • Overnight cardio-respiratory monitoring confirmed OSA and OHS.

Findings:

  • Nocturnal nasal continuous positive airway pressure (CPAP) was initiated.
  • The patient's symptoms significantly improved.
  • Arterial blood gases normalized after CPAP treatment.

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Implications:

  • CPAP is an effective treatment for OSA-related OHS.
  • Early diagnosis and treatment can prevent severe complications like right ventricular failure.
  • This case highlights the importance of recognizing OHS in patients with OSA.