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Cardiology11 papers

Organic sleep apnea

Last edited: 4/23/2026

Overview

Organic sleep apnea encompasses conditions where structural abnormalities within the heart or lungs contribute to sleep-disordered breathing, often manifesting as platypnea-orthodeoxia syndrome. In specific cases, such as atrial septal aneurysm with right-to-left shunting, it can lead to severe platypnoea symptoms 1.

Diagnosis

  • Clinical Presentation: Severe platypnoea exacerbated by upright posture, potentially with orthodeoxia (decreased oxygen saturation upon standing) 1.
  • Diagnostic Tests:
  • - Transoesophageal echocardiography to identify structural heart defects like atrial septal aneurysm 1. - Cardiac catheterization to confirm right-to-left shunting 1.

    Management

  • Surgical Correction: Addressing the underlying structural defect, such as surgical repair of atrial septal aneurysm, often resolves symptoms 1.
  • No Specific Pharmacological Treatments Mentioned: Management primarily focuses on correcting anatomical anomalies 1.
  • Special Populations

  • No Specific Data Provided: Abstracts do not cover pregnancy, pediatrics, elderly, or comorbidities related to organic sleep apnea 1.
  • Key Recommendations

  • Identify and Correct Structural Anomalies: Perform echocardiography and cardiac catheterization to detect atrial septal aneurysm or similar defects and consider surgical correction (Evidence: Expert opinion) 1.
  • Monitor Symptoms Post-Intervention: Ensure follow-up to confirm resolution of platypnoea symptoms post-surgical repair (Evidence: Expert opinion) 1.
  • Avoid Unsubstantiated Pharmacological Interventions: Prioritize anatomical correction over pharmacological treatments due to lack of evidence supporting specific drug use in this context (Evidence: Expert opinion) 1.
  • References

    1 Frans E, Timmermans C, Herregods MC, De Geest H, Daenen W, Delanote M et al.. Platypnoea syndrome caused by atrial septal aneurysm. The European respiratory journal 1994. link

    Original source

    1. [1]
      Platypnoea syndrome caused by atrial septal aneurysm.Frans E, Timmermans C, Herregods MC, De Geest H, Daenen W, Delanote M et al. The European respiratory journal (1994)

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