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Article in Chinese | WPRIM | ID: wpr-881250


@#Objective    To investigate the efficacy of uniportal video-assisted thoracoscopic surgery (VATS) anatomic basal segmentectomy. Methods    The clinical data of 15 patients who underwent uniportal VATS anatomic basal segmentectomy between June 2020 and December 2020 were retrospectively reviewed. There were 4 males and 11 females with a median age of 53 (32-70) years. The incisions were placed in the fifth intercostal space across the mid-axillary line. All basal segmentectomies were performed through the interlobar fissure or inferior pulmonary ligament approach following the strategies of single-direction and stem-branch. Results    All patients underwent basal segmentectomy successfully with no conversion to multi-portal procedure or thoracotomy. The median operation time was 120 (90-160) min, median intraoperative blood loss was 20 (10-50) mL, median drainage time was 3 (2-5) d, and median postoperative hospital stay was 4 (4-10) d. The maximum diameter of the lesion in the resected basal segment was 1.2 (0.7-1.9) cm. The median resected lymph nodes were 7 (5-12). There was no evidence of nodal metastases. One patient suffered postoperative atelectasis and subsequent pneumonia. No perioperative death occurred. Conclusion    Uniportal VATS anatomic basal segmentectomy is feasible and safe. It can be performed in a simple manner following the strategy of single-direction.

Article in Chinese | WPRIM | ID: wpr-886852


@#Objective    To analyze the results and diagnostic value of postoperative chylous test of pleural effusion and to verify the clinicopathological factors affecting the results of chylous test. Methods    The clinical data of 265 consecutive patients undergoing selective surgery at the Department of Thoracic Surgery, Shangjin Nanfu Hospital between May and August 2020 were retrospectively analyzed, including 106 males and 159 females with an average age of 53.0±12.2 years. According to the results of the chylous test on the operation day and postoperative first and second days, the patients were divided into two subgroups, including a positive group and a negative group, and the clinical data of the two groups were compared. Sensitivity and specificity of the chylous test were calculated. The influencing factors for chylous test were analyzed by multiple logistic regression analysis. Results    The positive rate of chylous test was 91.7%, 95.8% and 87.9% on the operation day and postoperative first and second days, respectively. There was no statistical difference in age, sex, surgical type, surgical approach, surgical site, surgical time, degree of lymph node dissection, treatment of thoracic duct, 24 hours pleural fluid drainage or 24 hours protein and fat food intake between the positive group and the negative group (P>0.05). The diagnostic sensitivity and specificity of the chylous experiment were 100.0%and 4.0%, respectively. Multiple logistic regression analysis showed that the surgical site (left/right chest) might be an influencing factor for the results of the chylous test (P=0.043, OR=0.458, 95%CI 0.216-0.974). Conclusion    The positive rate of chylous test of pleural effusion after thoracic surgery is very high. The chylous test produces a high misdiagnosis rate of chylothorax. The surgical site (left/right chest) may be an influencing factor for chylous test. The positive result of chylous test is not recommended as the direct diagnostic basis for postoperative chylothorax and guidance of the subsequent treatment.

Article in Chinese | WPRIM | ID: wpr-886544


@#Objective    To explore the safety and feasibility of the modified and improved thoracoscopic surgery for esophageal cancer using the concept of "single-direction" thoracoscopic technique. Methods    The clinical data of 65 patients undergoing this modified minimally invasive esophagectomy based on "single-direction" thoracoscopic system between June 2018 and April 2019 were retrospectively analyzed, including 54 males and 11 females aged 62.5±7.8 years. Results    The thoracoscopic operation time was 133.4±28.6 min, and intraoperative blood loss was 61.9±29.2 mL. No intraoperative blood transfusion was needed. One patient was transferred to open thoracotomy (due to severe pleural adhesion atresia). Major complications included anastomotic leak, pneumonia, chylothorax, incisional infection, recurrent laryngeal nerve paralysis and gastric emptying disorders, which were recovered by conservative treatment. No postoperative death occurred. The median number of lymph nodes and lymph node station harvested was 19 and 10, respectively. The median postoperative hospital stay was 10 days. The volume of chest drainage was 1 117.3±543.4 mL. Conclusion    The minimally invasive operation mode of esophageal cancer based on "single-direction" thoracoscopic system is safe and feasible, and has good field vision and smooth and simplified procedure.

Article in Chinese | WPRIM | ID: wpr-886507


@#Objective    To analyze the operation outcomes and learning curve of uniportal video-assisted thoracoscopic surgery (VATS). Methods    All consecutive patients who underwent uniportal VATS between November 2018 and December 2020 in Shangjin Branch of West China Hospital of Sichuan University were retrospectively enrolled, including 62 males and 86 females with a mean age of 50.1±13.4 years. Operations included lobectomy, segmentectomy, wedge resection, mediastinal mass resection and hemopneumothorax. Accordingly, patients' clinical features in different phases were collected and compared to determine the outcome difference and learning curve for uniportal VATS. Results    Median postoperative hospital stay was 5 days, and the overall complication rate was 8.1% (12/148). There was no 30-day death after surgery or readmissions. Median postoperative pain score was 3. Over time, the operation time, incision length and blood loss were optimized in the uniportal VATS lobectomy, the incision length and blood loss increased in the uniportal VATS segmentectomy, and the postoperative hospital stay decreased in the uniportal VATS wedge resection. Conclusion    Uniportal VATS is safe and feasible for both standard and complex pulmonary resections. While, no remarkable learning curve for uniportal VATS lobectomy is observed for experienced surgeon.