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Morphological and Functional Assessment of the Right Ventricle Using 3D Echocardiography
Published on: October 28, 2020
Impaired right ventricular function in adenotonsillar hypertrophy
Dursun Duman1, Baris Naiboglu, Hande Senem Esen
1Department of Cardiology, Haydarpasa Numune Training and Research Hospital, Istanbul, Turkey. drduman@excite.com
The International Journal of Cardiovascular Imaging
|September 12, 2007
Summary
Adenotonsillar hypertrophy (ATH) impairs right ventricular (RV) function, indicated by elevated RV myocardial performance index (MPI). Adenotonsillectomy effectively improves RV function and quality of life in children with ATH.
Area of Science:
- Pediatric Cardiology
- Sleep Medicine
- Cardiopulmonary Physiology
Background:
- Adenotonsillar hypertrophy (ATH) can cause upper airway obstruction and obstructive sleep apnea (OSA), potentially leading to pulmonary hypertension and cor pulmonale.
- Right ventricular (RV) myocardial performance index (MPI) is a sensitive echocardiographic measure of RV function.
Purpose of the Study:
- To determine the clinical value of RV MPI in children with ATH.
- To assess the impact of adenotonsillectomy on RV MPI and quality of life.
Main Methods:
- Doppler echocardiography was used to measure RV MPI in 21 children with ATH and 21 controls.
- RV MPI was assessed preoperatively and postoperatively.
- Quality of life was evaluated using the OSA-18 questionnaire.
Main Results:
- Children with ATH had significantly higher RV MPI compared to controls (0.41 vs. 0.29, P < .001).
- RV MPI correlated with pulmonary artery pressure and OSA-18 scores.
- Adenotonsillectomy significantly reduced RV MPI and OSA-18 scores, with postoperative RV MPI similar to controls.
Conclusions:
- Advanced ATH is associated with impaired RV function.
- Adenotonsillectomy improves RV function and quality of life in children with ATH.
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