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find Author "梅建东" 24 results
  • Videoassisted Thoracoscopic Surgery Bronchial Sleeve Lobectomy for Lung Cancer: Report of Preliminary Experience

    Abstract: Objective To investigate the feasibility of videoassisted thoracoscopic surgery (VATS) ronchial sleeve lobectomy for lung cancer, and to describe this treatment method. Methods Between December 2010 and April 2011, three patients in our hospital underwent VATS bronchial sleeve lobectomy as treatment for right upper lobe nonsmall cell lung cancer. The patients were one female and two males, aged 61, 65, and 62 years. Surgical incisions were the same as for singledirection VATS right upper lobectomy. The right superior pulmonary vein was firstly transected, followed by the first branch of the pulmonary artery. Then, the lung fissure was transected and the mediastinal lymph nodes, including the subcarinal nodes, were also dissected to achieve sufficient exposure of the right main bronchus. The bronchus was transected via the utility incision, and the anastomosis was accomplished by continuous suture with 30 Prolene stitches. Another 0.5 cm port in the 7th intercostal space at the posterior axillary line was added in the third operation for handling of a pair of forceps to help hold the needle during anastomosis. A sealing test was performed to confirm that there was no leakage after completion of the anastomosis, and the stoma was covered with biological material. Bronchoscopy was performed to clear airway secretions and to confirm that there was no stenosis on postoperative day (POD) 1. Results The lobectomy and lymph node dissection was finished in 5158 minutes (averaging 54.7), and the time needed foranastomosis was 4055 minutes (averaging 45.7). Total blood loss was 55230 ml (averaging 155.0 ml). Number of dissected lymph nodes was 1821 (averaging 19.3). One patient was diagnosed with adenocarcinoma of the right upper lobe with metastatic hilar lymph node invasive to the right upper lobar bronchus. The other two patients were both diagnosed with centrally located squamous cell carcinoma of the right upper lobe, and all the patients achieved microscopically negative margins. There was no stenosis of the anastomosis stoma, and the postoperative course was uneventful. These patients were discharged on POD 810 (averaging 8.7 days), and they recovered well during the followup period, which lasted 2 to 6 months. [WTHZ]Conclusion [WTBZ]For experienced skillful thoracoscopic surgeons, VATS bronchial sleeve lobectomy is safe and feasible. Making the incisions of a singledirection VATS lobectomy with an additional miniport may be an ideal approach for this procedure.

    Release date:2016-08-30 05:57 Export PDF Favorites Scan
  • 肺癌干细胞分离与鉴定研究进展

    【摘要】 随着肿瘤干细胞学说的兴起,肺癌干细胞研究也方兴未艾,肺癌干细胞可能在肺癌发生、进展过程中发挥关键作用。目前已发现肺癌发生可能与肺内成体干细胞有关,同时也有较多证据支持肺癌内存在肿瘤干细胞,但进一步研究肺癌干细胞的前提和基础是对其进行有效分离与鉴定,这是目前对肺癌干细胞进行深入研究所面临的主要障碍之一。CD133、ABCG2、ALDH等的表达可能与肺癌干细胞有关,现就文献中依靠上述标志物对肺癌干细胞进行分离及鉴定的方法与结果进行归纳探讨。

    Release date:2016-09-08 09:52 Export PDF Favorites Scan
  • 加速康复外科(ERAS)理念开启胸外科新篇章——记第一届胸科 ERAS 华西论坛

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  • 单向式胸腔镜左上肺尖后段切除的视频要点

    Release date:2018-06-01 07:11 Export PDF Favorites Scan
  • Anastomotic tuberculosis after carinal resection and reconstruction: A case report

    This patient was a 47-year female who underwent carinal resection and reconstruction because of left main bronchial mucoepidermoid carcinoma. She underwent four cycles chemotherapy when recovering from surgery because of subcarinal lymph node metastasis. However, the patient suffered from recurred productive cough and dyspnea during chemotherapy. Bronchoscopic assessment revealed stenosis at the reconstructed carina and left main bronchus five months after surgery. The granulation tissues of the left main bronchus showed no evidence of cancer recurrence. After repeated bronchoscopic resection of granulation tissue combined with bronchial stent placement, the left main bronchial stenosis gradually worsened with granulation tissue growth. Three acid-fast bacilli were found in the granulation tissue harvested ten months after surgery. The reason of postoperative bronchostenosis was confirmed as endobronchial tuberculosis, and antitubercular agents were added. Unfortunately, she had persistent left main bronchostenosis due to irreversible destruction and left pulmonary atelectasis thereafter. Therefore, for the recurring anastomotic granulomas after tracheobronchial reconstruction, the possibility of tuberculosis infection should be considered.

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  • 电视胸腔镜手术中缝线定位法在肺部非浅表小结节活检和切除术中的应用

    目的 介绍电视胸腔镜手术中缝线定位法在肺部非浅表结节活检及切除术中的应用。 方法 回顾性分析华西医院胸外科2010年1月至2012年12月间所行的胸腔镜肺小结节楔形切除活检及肺段切除的患者52例的临床资料,其中男26例、女26例,年龄38~81 (54.0±11.6) 岁。术中以腔镜肺叶钳经副操作孔将目标肺叶向主操作孔牵拉,手指通过主操作孔对目标区域进行触诊,探及感知到结节后用2-0带针缝线于结节所投射的肺表面缝合一针作为目标结节切除的牵引线或标记线。 结果 本组52例患者均于胸腔镜下取得病理学诊断,肿瘤直径0.6~2.2(1.6±0.4) cm,且肿瘤与正常肺组织切缘≥2 cm,切缘阴性。原发性肺癌31例(59.6%),其中毛玻璃样病变(GGO)占51.6% (16/31);转移瘤7例(13.5%);良性病变13例(25.0%)。本组平均术后住院时间(6.4±2.7) d,主要术后并发症为:术后持续肺漏气>7 d和术后咯血。全组患者无围手术期死亡。 结论 本方法可使肺部非浅表小结节易于定位,应用条件也无特殊要求,值得推广。

    Release date:2016-08-30 05:47 Export PDF Favorites Scan
  • T-stage and range of resection of non-small cell lung cancer with directly invasion of the adjacent lobe

    Objective To determine the most appropriate T-stage and surgical resection range of non-small cell lung cancer(NSCLC) with adjacent lobe invasion (ALI). Methods Fifty one NSCLC patients who were confirmed as direct ALI were divided into an ALI-T2 and an ALI-T3 group according to the eighth edition of TNM classification. Cases were matched by propensity score matching method at a ratio of 2∶1. The overall survival (OS), progression free survival (PFS), postoperative hospitalization, and postoperative complications among the groups were compared. Results Patients' characteristics were comparable among the groups. Three-year or 5-year survival rate in the ALI-T2 group, the single-lobe invasion T2 (SLI-T2) group, and the T3 (SLI-T3) group was 73.90% and 61.60%, 89.60% and 89.60%, 68.90% and 61.20%, respectively. The OS of SLI-T2 group was significantly higher than that of the ALI-T2 ( P=0.042) group and with similar survival in the SLI-T3 group( P=0.955). In the survival analysis of the ALI-T3 group, the 3-year or 5-year OS of the SLI-T3 group was 70.80% and 65.70%, respectively, while in the poorest prognosis ALI-T3 group was only 31.60% and 21.00% ( P=0.009), respectively. However, no statistical difference was detected between the ALI-T3 and SLI-T4 groups ( P=0.343). The PFS of the patients in the ALI-T3 group was closer to the SLI-T4 group level while lower than that of the SLI-T3 group, but the trend had not been confirmed by statistical analysis ( P 1=0.071, P 2=0.648). The OS and PFS did not differ between the patients undergoing a lobectomy plus wedge resection (LWR) and those undergoing a bilobectomy or pneumonectomy. Compared with a bilobectomy or pneumonectomy, LWR had distinct advantages in the postoperative hospital stay (6.90±3.11days vs. 9.23± 4.43 days, P=0.030), the postoperative duration of drainage (4.41±2.98 days vs. 6.50±4.11 days, P=0.041) and complication rates (4.00% vs. 31.58%, P=0.032). Conclusions We believe that T1-2 stage tumor invading adjacent lobe should be classified as T3 and ALI-T3 tumor should be revised as T4. Beside that, LWR could be considered as a reasonable surgical option for patients with lesser invasive depth (less than 2 cm) in the adjacent lobes.

    Release date:2017-03-24 03:45 Export PDF Favorites Scan
  • 钢筋贯穿胸腹盆腔急诊救治一例

    Release date:2018-07-27 02:40 Export PDF Favorites Scan
  • Clinical characteristics and outcomes of 176 patients with acute necrotizing mediastinitis: A retrospective cohort study

    Objective To investigate the etiology, symptoms, diagnosis, surgical treatment, and outcomes of acute necrotizing mediastinitis (ANM) in order to guide future diagnosis and treatment of ANM. Methods The clinical data of patients with ANM referred to West China Hospital, Sichuan University from March 2012 to April 2021 were retrospectively analyzed. The etiology, clinical manifestations, demographic characteristics, bacterial culture results, surgical approach and prognostic factors of these patients were summarized. ResultsA total of 176 patients were enrolled in this study. The median age was 60 ( 0-84) years. There were 124 (70.5%) males and 52 (29.5%) females. The most common origin of infection was neck (n=66, 37.5%). The most common symptom was fever (n=85, 48.3%). Streptococcus constellatus represented the most common pathogens in secretion culture. Surgical treatment was administered to 119 (67.6%) patients through different approaches, including 54 (30.7%) patients of cervical approach, 9 (5.1%) patients of thoracotomy, 18 (10.2%) patients of video-assisted thoracoscopic surgery (VATS), 7 (4.0%) patients of cervical combined with thoracotomy, 30 (17.0%) patients of cervical combined with VATS, and 1 (0.6%) patient of subxiphoid approach. Among this cohort, 144 (81.8%) patients were cured, while 32 (18.1%) patients died. Age-adjusted Charlson comorbidity index (OR=2.95, P=0.022), perioperative sepsis (OR=2.84, P=0.024), and non-surgical treatment (OR=2.41, P=0.043) were identified as independent predictors of poor outcomes. Conclusion For patients with corresponding history and manifestations of ANM, it is crucial to go through imaging examination to confirm the presence of an abscess and guide the selection of surgical approach. Once the diagnosis of ANM is made, it is imperative to promptly perform surgical intervention for effective drainage. Our study highlights the significance of age-adjusted Charlson comorbidity index, perioperative sepsis and surgical treatment in predicting patients’ outcomes.

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  • The effect of perioperative use of antibiotics on clinical indicators of thoracic surgery: A case control study

    Objective To explore the effect of standardized use of antibiotics on clinical indicators after thoracic surgery, such as pulmonary infection rate, incision infection rate, average length of hospital stay and total hospitalization cost. Methods We selected 468 patients (an observation group) who were hospitalized and received thoracic surgery from August to October 2011, 3 months after the implementation of the preventive antibiotics use protocol for thoracic surgery in West China Hospital, Sichuan University, and selected 343 patients (a control group) in the same period of the previous year (from August to October 2010). There were 326 males and 142 females with a mean age of 52.0±15.5 years in the observation group, and 251 males and 92 females with a mean age of 51.4±15.9 years in the control group. The level of antibiotic use, medication time, antibiotics cost, postoperative incision infection, incidence of pulmonary infection, postoperative hospital stay and total hospitalization cost were compared between the two groups. Results Compared with the control group, the time for preventive use of antibiotics was significantly shorter in the observation group (3.6±2.4 d vs. 6.1±3.1 d, P=0.020) and the total cost of antibiotic use significantly reduced (1 230.0±2 151.0 yuan vs.2 252.0±1 764.0 yuan, P<0.001). There was no significant difference between the two groups in hospitalization cost(36 345.0±13 320.0 yuanvs. 35 821.0±11 991.0 yuan, P=0.566), postoperative hospital stay (10.6±8.4 d vs. 10.7±5.3 d, P=0.390), the incidence of postoperative wound infection or postoperative pulmonary infection (1.5% vs. 2.3%, P=0.430; 19.2% vs. 22.2%, P=0.330). Conclusion The standardized use of antibiotics in thoracic surgery does not cause postoperative pulmonary infection and incision infection, and has no negative impact on clinical indicators. Significantly reducing the level of antibiotics use may have a positive effect on reducing medication time, in-hospital infection and the incidence of drug-resistant strains.

    Release date:2018-05-02 02:38 Export PDF Favorites Scan
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