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  • Title: [Results of unilateral lung volume reduction surgery in twenty-five patients with chronic obstructive pulmonary disease].
    Author: Liang CY, Liu DR, Shi B, Tian YC, Li FT, Zhao FR, Guo YQ, Shou YN, Zhang HT, Wang ZY.
    Journal: Zhonghua Jie He He Hu Xi Za Zhi; 2003 Dec; 26(12):769-71. PubMed ID: 14720433.
    Abstract:
    OBJECTIVE: To evaluate the effectiveness of unilateral lung volume reduction surgery (LVRS) in patients with chronic obstructive pulmonary disease (COPD). METHODS: The follow-up data of 25 patients with COPD who had underwent unilateral LVRS between January 1996 to December 2002 in department of thoracic surgery, China-Japan friendship hospital were analyzed retrospectively. The operative target was determined by pre-operative CT and pulmonary ventilation-perfusion (V/Q) scintigraphy. LVRS was performed in 21 patients through video assisted thoracoscopy surgery (VATS) or VATS with adjuvant small lateral thoracotomy. In 4 patients LVRS was performed through posterolateral thoracotomy. Destroyed pulmonary tissue was resected by liner stapler or Endo GIA. To evaluate the effectiveness of unilateral LVRS, the changing of dyspnea score, pulmonary function and the quality of life were analyzed. RESULTS: The postoperative follow-up interval range was 2 years. The mean postoperative FEV(1) increased by (35 +/- 9)%, and six minute walking distance (6MWD) increased by (88 +/- 22)%. For dyspnea score, among 16 patients with a preoperative grade of IV, 4 patients improved to grade I, 12 improved to grade II; among 9 patients with a preoperative grade of V, 1 improved to grade I, 1 improved to grade II, 4 improved to grade III, and the other 3 improved to grade IV. Karnofsky score increased by (44 +/- 10) in average. One and two year survival rates was 96% and 92%, respectively. There was no perioperative death in this group, and the total postoperative morbidity was 32%. CONCLUSIONS: Unilateral LVRS shows significant clinical benefits for the majority of patients with COPD. It is associated with lower operative mortality and morbidity, and has a wide range of indications. The key points of the operation are to resect dysfunctional lung tissues as much as possible and to prevent pulmonary air leak. Preoperative and postoperative breathing training plays a very important role in the postoperative recovering of lung function.
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