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Effect of adenoidectomy and/or tonsillectomy on cardiac functions in children with obstructive sleep apnea

Mehmet Birol Ugur1, Sait Mesut Dogan, Ayhan Sogut

  • 1Department of Otorhinolaryngology, Head and Neck Surgery, School of Medicine, Zonguldak Karaelmas University, Zonguldak, Turkey. mehmetbirolugur@gmail.com

ORL; Journal for Oto-Rhino-Laryngology and Its Related Specialties
|April 9, 2008
PubMed

Insights

Adenoidectomy and/or tonsillectomy (AT) significantly improved cardiac diastolic function in children with obstructive sleep apnea syndrome (OSAS). Tissue Doppler imaging (TDI) detected these improvements, which were not apparent with conventional echocardiography.

Area of Science:

  • Pediatric Cardiology
  • Sleep Medicine
  • Diagnostic Imaging

Background:

  • Obstructive sleep apnea syndrome (OSAS) in children is associated with adenoid and/or tonsillary hypertrophy.
  • Cardiac dysfunction can be a complication of OSAS, often subtle and missed by standard echocardiography.

Purpose of the Study:

  • To evaluate the impact of adenoidectomy and/or tonsillectomy (AT) on cardiac function in children with OSAS.
  • To utilize echocardiography with tissue Doppler imaging (TDI) to detect changes in diastolic function.

Main Methods:

  • Compared cardiac function using echocardiography with TDI in 29 children with OSAS and 26 controls with primary snoring.
  • Re-assessed cardiac function in the OSAS group 6 months post-AT.

Main Results:

  • AT significantly reduced pulmonary artery systolic pressure in OSAS patients.
  • TDI revealed significant improvements in right and left ventricular diastolic function (tricuspid and mitral E(m)/A(m) ratios increased) post-AT.
  • Postoperative cardiac function in OSAS patients normalized, showing no significant difference compared to the control group.

Conclusions:

  • Tissue Doppler imaging (TDI) is a sensitive technique for detecting subclinical diastolic dysfunction in children with OSAS.
  • Adenoidectomy and/or tonsillectomy (AT) effectively improves both right and left ventricular diastolic function in children with OSAS.
Abstract

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