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1.
Chinese Journal of Oncology ; (12): 530-533, 2015.
Article in Chinese | WPRIM | ID: wpr-286785

ABSTRACT

<p><b>OBJECTIVE</b>Video-assisted thoracoscopic (VATS) esophagectomy has been performed for more than 10 years in China. However, compared with the conventional esophagectomy via right thoracotomy, whether VATS esophagectomy has more advantages or not in the lymph node (LN) dissection and prevention of perioperative complications is still controversial and deserves to be further investigated. The aim of this study was to explore whether there are significant differences in this issue between the two surgical modalities or not.</p><p><b>METHODS</b>The results of lymph node dissection and perioperative complications as well as other parameters in the patients treated by VATS esophagectomy and those by conventional esophagectomy via right thoracotomy at our department from May 1, 2009 to July 30, 2013 were compared using SPSS 16.0 in order to investigate whether there was any significant difference between these two treatment modalities in the learning curve stage of VATS esophagectomy.</p><p><b>RESULTS</b>One hundred and twenty-nine cases underwent VATS esophagectomy between May 1, 2009 and July 30, 2013, and another part 129 cases with the same preoperative cTNM stage treated by conventional esopahgectomy via right thoracotomy were selected in order to compare the results of lymph node dissection and perioperative complications as well as other parameters between those two groups of patients. There were no significant differences in the sex, age, lesion locations and cTNM stage between these two groups. The total LN metastatic rate in the VATS esophagectomy group was 35.7% and that of the conventional esophagectomy group was 37.2% (P > 0.05). The total average number of dissected lymph nodes was 12.1 vs. 16.2 (P < 0.001). The average dissected LN stations was 3.2 vs. 3.6 (P = 0.038). The total average number of dissected LN along the left recurrent laryngeal nerve was 2.0 vs. 3.7 (P = 0.012). The total average number of dissected LN along the right recurrent laryngeal nerve was 2.9 vs. 3.4 (P = 0.231). However, there was no significant difference in the total average number of dissected LN in the other thoracic LN stations, and in the perioperative complications between the two groups. The total postoperative complication rate was 41.1% in the VATS group versus 42.6% in the conventional group (P = 0.801). The cardiopulmonary complication rate was 25.6% vs. 27.1% (P = 0.777). The death rate was the same in the two groups (0.8%). The VATS group had less blood infusion (23.2% vs. 41.8%, P = 0.001) and shorter hospital stay (15.9 days vs. 19.2 days, P = 0.049) but longer operating time (161.3 min vs. 127.8 min, P < 0.01).</p><p><b>CONCLUSIONS</b>In the learning curve stage of VATS esophagectomy, compared with the conventional esophagectomy, less LN number and stations can be dissected in the VATS group due to un-skillful VATS manipulation, especially it is more difficult in the LN dissection along the left recurrent laryngeal nerve. Therefore, it is more suitable to select patients with early esophageal cancer without obvious enlarged lymph nodes for VATS esophagectomy in the learning curve stage.</p>


Subject(s)
China , Esophageal Neoplasms , Pathology , General Surgery , Esophagectomy , Methods , Humans , Learning Curve , Length of Stay , Lymph Node Excision , Methods , Lymph Nodes , Operative Time , Postoperative Complications , Epidemiology , Recurrent Laryngeal Nerve , Thoracic Surgery, Video-Assisted , Thoracotomy
2.
Chinese Journal of Oncology ; (12): 53-58, 2014.
Article in Chinese | WPRIM | ID: wpr-328999

ABSTRACT

<p><b>OBJECTIVE</b>To evaluate and compare the value of stair climbing tests and conventional pulmonary function tests in the prediction of postoperative cardiopulmonary complications in non-small cell lung cancer patients underwent surgery.</p><p><b>METHODS</b>From April 1, 2010 to Jan. 30, 2012, a total of 162 patients with thoracic carcinoma underwent stair climbing test (SCT) and conventional pulmonary function tests (PFT) preoperatively. The correlation of postoperative cardiopulmonary complications with the SCT and PFT parameters were analyzed retrospectively using chi-square test, independent sample t test and binary logistic regression analysis.</p><p><b>RESULTS</b>Of the 162 patients, 19 without operation were excluded, due to an advanced stage (9 cases), poor cardiopulmonary function (5 cases), rejecting operation (4 cases) and exploration alone (1 case). 143 cases were eligible and evaluated eventually. Forty-one of the 143 patients (28.7%) had postoperative cardiopulmonary complications, but no death occurred. The patients were stratified into groups based on the time of stair climbing 5 stories (18.36 m, t, <92 s, ≥ 92 s). Exercise oxygen desaturation (EOD) during the stair climbing test (<5%, ≥ 5%) and the difference between the pulse at resting state and the pulse at end of stair climbing test (ΔP, <55 beats/min, ≥ 55 beats/min), respectively. The rate of postoperative cardiopulmonary complications was significantly higher in the group with t ≥ 92 s, EOD ≥ 5% and ΔP < 55 beats/min (38.5%, 42.0% and 35.1%, respectively) than that in the group with t<92 s, EOD<5% and ΔP ≥ 55 beats/min (16.9%, 21.5% and 18.2%, respectively). Binary logistic regression analysis showed that postoperative cardiopulmonary complications were independently correlated with EOD and lung function which did not meet the requirement of the lung resection operation mode.</p><p><b>CONCLUSIONS</b>A symptom-limited stair climbing test is a safe, simple and low-cost method to evaluate the cardiopulmonary function preoperatively. It can predict the occurrence of postoperative cardiopulmonary complications in non-small cell lung cancer patients. Conventional pulmonary function tests and stair-climbing test can be recommended to be routinely performed in all patients with non-small cell lung cancer before thoracic surgery.</p>


Subject(s)
Carcinoma, Non-Small-Cell Lung , General Surgery , Exercise Test , Humans , Lung Neoplasms , General Surgery , Postoperative Complications , Diagnosis , Respiratory Function Tests , Retrospective Studies
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