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Publications (8)4.93 Total impact

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    ABSTRACT: The aim of the current study was to assess the feasibility and safety of a new volume threshold for chest tube removal following lobectomy. The prospective randomized single-blind control study included 90 consecutive patients who underwent lobectomy or bilobectomy for pathological conditions between March 2012 and September 2012. Eligible patients were randomized into two groups: early removal group (chest tube removal at the drainage volume of 300 ml/24 h or less) and traditional management group (chest tube removal when the drainage volume is less than 100 ml/24 h). Criteria for the early removal group were established and met prior to chest tube removal. The volume and characteristics of drainage, time of drainage tube extraction, and postoperative hospital stay were recorded. All patients received standard care while in the hospital and a follow-up visit was performed 7 days after discharge from hospital. In accordance with the exit criteria, 20 patients were excluded from the study. The remaining 70 patients included in the final analysis were divided into two groups: early removal group (n = 41) and traditional management group (n = 29). There was no difference between the two groups in terms of age, sex, comorbidities, and pathological evaluation of resection specimens. In eligible patients (n = 70), the mean volume of drainage 24 h after surgery was 300 ml, while the mean volume of drainage 48 h after surgery was 250 ml. The average daily drainage 48 h after surgery was significantly different than the average daily drainage 24 h after surgery (Z = -2.059, P = 0.039). The mean duration of chest tube placement was 44 h in the early removal group and 67 h in the traditional management group (P = 0.004). Patients who underwent early removal management had a shorter postoperative hospital stay compared to the traditional management group (5 vs. 6 days, P < 0.01). No statistically significant differences were observed between the rates of pleural effusion development, thoracentesis, and postoperative complications 1 week after hospital discharge. Early removal of the chest tube after lobectomy is feasible and safe and may shorten patient hospital stay and reduce morbidity without the added risk of postoperative complications.
    World Journal of Surgery 10/2013; · 2.23 Impact Factor
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    ABSTRACT: To evaluate the feasibility and safety of early chest tube removal after lobectomies for lung diseases. A prospective randomized control study was performed with data collected from lobectomies between March 2012 and September 2012. Eligible patients (n = 70) were randomized into two groups; early removal group (removal of chest tube when drainage less than 300 ml/24 h, n = 41) and traditional management group (removal of chest tube when drainage less than 100 ml/24 h, n = 29). Criteria for early removal were established and met before chest tube removal. The volume and character of drainage, time of extracting drainage tube and postoperative hospital stay were measured. All patients received standard care during hospital admission and a follow-up visit was performed after 7 days of discharge from hospital. There were no differences between two groups with respect to age, sex, comorbidities, or pathologic evaluation of resection specimens. The median volume of drainage within 24 h after surgery was 300 ml and within 48 h was 250 ml, there was significantly different between two groups (Z = -2.059, P = 0.039). Patients undergoing early removal management had a shorter Chest tube duration (44 hours vs. 67 hours, Z = -2.914, P = 0.004) and a shorter postoperative hospital stay (5.0 days vs. 6.0 days, Z = -3.882, P = 0.000). Analysis of data showed no statistically significant differences between the rate of pleural effusions developed, thoracentesis and complications, one week after discharge from hospital. Compared to the traditional management group (drainage ≤ 100 ml/24 h), early removal of chest tube after lobectomy (drainage ≤ 300 ml/24 h) is feasible and safe. It could result in a shorter hospital stay, and most importantly, reduces morbidity without the added risk of complications.
    Zhonghua wai ke za zhi [Chinese journal of surgery] 06/2013; 51(6):533-537.
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    ABSTRACT: Minimally invasive Ivor Lewis esophagectomy was usually performed with either hand-sewn or circular stapler anastomosis through a small thoracotomy or using a side-to-side stapler anastomotic technique. This study aimed to present our initial results of Ivor Lewis esophagectomy using a circular-stapled anastomosis with transoral anvil technique. Six patients with esophageal cancer underwent minimally invasive Ivor Lewis esophagectomy with an intrathoracic circular-stapled end-to-end anastomosis. The abdominal portion was operated on laparoscopically, and the thoracic portion was done using thoracoscopic techniques. A 25 mm anvil connected to a 90 cm long delivery tube was introduced transorally to the esophageal stump in a tilted position, the anvil head was then connected to circular stapler. The anastomosis was completed under direct thoracoscopic view. A total of six patients in this report successfully underwent total laparoscopic and thoracoscopic Ivor Lewis esophagectomy with a circular-stapled anastomosis using a transoral anvil. They were five male and one female patients, and had a mean age of 55 years (range, 38-69 years). The thoracic and abdominal operations were successfully performed without any intraoperative complications or conversion to laparotomy or thoracotomy. The passage of the anvil head was technically easy and successful in all six cases. The mean overall operative time was (260 ± 42) minutes (range, 220-300 minutes), and the mean estimated blood loss was (520 ± 160) ml (range, 130-800 ml). Patients resumed a liquid oral diet on postoperative day seven. The median length of hospital stay was 17 days (range, 9-25 days). The postoperative pathological diagnosis was esophageal squamous cell carcinoma in five patients and esophageal small cell carcinoma in one patient. Tumors were staged as T(2)N(0)M(0) in three cases, T(2)N(1)M(0) in one case, and T(3)N(0)M(0) in two cases. During the mean follow-up of 2.5 months (range, 2-4 months), there were no intraoperative technical failure of the anastomosis or major postoperative complications such as leak or stricture. The initial results of this small series suggest that minimally invasive Ivor Lewis esophagectomy for malignant esophageal tumor is technically feasible. However, further multi-center prospective studies and thorough evaluation are needed to evaluate the long-term results.
    Chinese medical journal 04/2012; 125(8):1376-80. · 0.90 Impact Factor
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    ABSTRACT: To investigate the relationship between postoperative metastasis and circulating levels of osteopontin in non-small cell lung cancer (NSCLC). The expression of osteopontin mRNA were detected with RT-PCR technique. The circulating levels of osteopontin were measured through ELASA in 46 NSCLC cases that had not been received any anti-cancer treatment at the time of sampling. The tissues from fifteen patients with benign pulmonary diseases were studied as control group. The overall median mRNA expression level of osteopontin was approximately 70-fold higher in tumor tissues than in matched normal lung tissues (<0.001). Over-expression of osteopontin mRNA was significantly associated with clinical stage (=0.009). Advanced disease states had higher circulating level of osteopontin (stage I+II versus stage III+VI). In multivariate analysis, stage was the only independent factor influencing circulating levels of osteopontin. All patients were followed up for 12 months, 2 of the 46 patients with both osteopontin mRNA expression and elevated plasma osteopontin levels had local recurrence and 10 had distant metastasis. There was a significant difference in the osteopontin levels between metastasis group and non-metastasis group. Preoperative plasma levels of osteopontin are significantly associated with post-operative metastasis in advanced NSCLC.
    Chinese Journal of Cancer Research 03/2011; 23(1):64-8. · 0.45 Impact Factor
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    ABSTRACT: to present the preliminary results of minimally invasive Ivor Lewis esophagectomy using a circular-stapled anastomosis with trans-oral anvil technique. six patients with esophageal cancer received minimally invasive Ivor Lewis oesophagectomy from April 2010 to June 2010. There were 5 males and 1 female with mean age of 55 years (ranging 38 to 69 years). The lesion located in cardiac in 1 case, in lower third of the esophagus in 4 cases and in middle third in 1 case. The abdominal portion was operated laparoscopically. The thoracic portion was done using thoracoscopic techniques. The esophago-gastric anastomosis was created using a 25 mm anvil passed trans-orally and connected to a 90 cm long polyvinyl chloride delivery tube through an opening in the esophageal stump. The anastomosis was completed by joining the anvil to a circular stapler (end-to-end anastomosis stapler) inserted into the gastric conduit. six patients with esophageal squamous cell cancer (n = 5) and small-cell cancer (n = 1) underwent an Ivor Lewis esophagectomy. All the operation was successfully performed without intra-operative technical failures of the anastomosis. There was no severe postoperative complications. The mean operation time was 380 min. The mean blood loss was 300 ml. pTNM staging: T2N0M0 in 3 cases, T2N1M0 in 1 case and T3N0M0 in 2 cases. the circular-stapled anastomosis with the trans-oral anvil is an efficient and safe technique for esophago-gastric anastomosis.
    Zhonghua wai ke za zhi [Chinese journal of surgery] 11/2010; 48(22):1747-50.
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    ABSTRACT: ObjectiveThe aim of this study is to compare the effectiveness of surgery with stereotactic radiosurgery (SRS) for patients with a single synchronous brain metastasis from successfully treated non-small cell lung cancer. MethodsBetween 1995 and 2002, 53 patients underwent resection of both primary non-small cell lung cancer and the associated single brain metastasis. There were 33 men and 20 women with a mean age of 57 years (range, 32–85 years). At the time of diagnosis, 42 patients experienced lung cancer related symptoms, whereas 11 patients experienced brain metastases-related symptoms. 42 patients had received thoracic surgery first, and 11 patients had undergone neurosurgery or radiosurgery first. Pneumonectomy was performed in 9 out of 42 patients (21.4%), lobectomies in 30 (71.4%), and wedge resection in 3 (7.2%). 48 patients (90.5%) underwent complete lymphadenectomy. 35 patients underwent brain metastasectomy. 18 underwent SRS. ResultsThere was no postoperative mortality and severe complications after either lung or brain surgery. Histology showed 34 adenocarcinomas, 16 squamous cell carcinomas, and 3 large cell lung cancers. 15 patients (28.3%) had no evidence of lymph node metastases (N0), 20 patients (37.7%) had hilar metastases (N1), and 18 patients (34%) had mediastinal metastases (N2). The 1-, 2-, 3- and 5-year overall survival rates were 49%, 19%, 10%, and 5%, respectively. The corresponding data for neurosurgery group were 55%, 17%, 11%, and 6%, respectively. The median survival time was 13 months. For SRS group the corresponding data were 44.8%, 20.9% 10.5%, and 2%, respectively. The median survival time was 14 months. The differences between the two groups were not significant (P>0.05). In lymph node negative patients (N0), the overall 5-year survival rate was 10%, as compared with a 1% survival rate in patients with lymph node metastases (N1–2). The difference was significant (P<0.01). For adenocarcinomas, the 5-year survival rate was 5%. The correspondent data for squamous cell lung cancers was 3%. The difference was not significant (P>0.05). ConclusionAlthough the overall survival rate for patients who have brain metastases from NSCLC is poor, surgical resection or radiosurgery may be beneficial in a select group of patients with synchronous brain metastases and lung cancer without lymph node metastases.
    Chinese Journal of Cancer Research 01/2009; 21(1):56-60. · 0.45 Impact Factor
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    ABSTRACT: To compare changes in early pulmonary function and hemodynamics between unilateral and bilateral lung volume reduction (LVRS) for severe chronic obstructive pulmonary disease (COPD). Eighty-six patients with severe COPD underwent LVRS, 61 underwent unilateral LVRS and 25 underwent lateral LVRS. The results of lung function (FEV(1), RV, TLC), arterial blood gas analysis (PaO(2), PaCO(2)) and color Doppler echocardiography (CO, CI, EF, PAP) were evaluated preoperatively and 3, 6 months postoperatively. Six patients died. FEV(1), RV and TLC were improved significantly after (P < 0.05). PaO(2) increased (P < 0.05) and PaCO(2) decreased postoperatively (P < 0.05). According to the Doppler echocardiography there were no statistic difference in cardia functions (CO, CI, EF, PAP) between unilateral and bilateral LVRS preoperatively and 3, 6 months postoperatively. Unilateral and bilateral LVRS is safe and effective in the treatment of patients with severe COPD, the pulmonary function significantly improved postoperatively, but the results of bilateral LVRS is better than unilateral. Both unilateral and bilateral LVRS showed no significant deterioration in hemodynamics, there were no significant difference between preoperatively and postoperatively.
    Zhonghua wai ke za zhi [Chinese journal of surgery] 04/2007; 45(8):552-4.
  • Chinese medical journal 06/2006; 119(9):769-73. · 0.90 Impact Factor