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KMID : 0616620030090010045
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Journal of Soonchunhyang Medical College
2003 Volume.9 No. 1 p.45 ~ p.49
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The Changes of Lung Mechanics before and after Removal of Nuss Bar in the Patients of Pectus Excavatum
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Kang Kyu-Sik
Baik Nam-Soon
Kim Chun-Sook
Ahn Ki-Ryang
Kwon Jin-Hyeong
Kim Ji-Eun
Yoo Sie-Hyeon
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Abstract
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Nuss operation is one of the surgical procedure for pectus excavatum and it’s method is the insertion of convex steel bar under the sternum through small bilateral thoracic incision. As the patients is growing, the thorax can be compressed gradually by steel bar. So Nuss bar needs to be removed two years after Nuss operation. This study was undertaken to assess the effect on the repiratory mechanics before and after the removal of the Nuss bar. Twenty patients with previous Nuss operation were allocated for the removal of Nuss bar. Lung mechanics (dynamic lung compliance, static lung compliance, and airway resistance), hemodynamic change (heart rate, systolic pressure, and diastolic pressure), and pulmonary gas exchange (arterial oxygen tension, arterial carbon dioxide tension, pulse oximeter saturation, and end tidal carbon dioxide tension) were measured before and after removal of Nuss bar. Respiratory mechanics (dynamic and static lung compliance, inspiratory airway resistance), pulmonary gas exchange and hemodynamic parameter were unchanged before and after the removal of Nuss bar. We concluded that lung mechanics were not changed before and after the removal of Nuss bar in the patients with pectus excavatum and the 95% patients were satisfied with operation.
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KEYWORD
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Pectus excavatum, Nuss operation, Lung mechanics, Satisfaction
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