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find Author "WANG Xinyu" 5 results
  • Impact of thoracic duct ligation on substance metabolism and surgical complications in patients with type-2 diabetes mellitus during esophagectomy

    ObjectiveTo investigate the impact of thoracic duct ligation (TDL) on metabolism and postoperative complications during esophagectomy in patients with type-2 diabetes mellitus (T2DM).MethodsWe conducted a retrospective clinical data analysis of 230 esophageal carcinoma patients with T2DM who underwent esophagectomy in our hospital from January 2003 to December 2018. Patients were divided into a TDL+ group (n=112), including 78 males and 34 females aged 63.47±7.23 years, and a TDL– group (n=118), including 84 males and 34 females aged 64.38±7.57 years. We compared the blood glucose, liver function parameters and lipid metabolic parameters at different time points before and after surgery. In addition, we compared the postoperative major complications between the two groups. Propensity score-matched (PSM) was used to control the observed confounders.ResultsCompared with the TDL– group, patients in TDL+ group had higher blood glucose level (P<0.05, except the fourth postoperative day). The total protein and albumin levels on the first and fourth postoperative days in the TDL+ group were lower than those in the TDL– group (P<0.05). The alanine transaminase (P=0.027) and aspartate transaminase (P=0.007) levels on the fourth postoperative day in the TDL+ group were higher than those in the TDL– group. More pulmonary complications (P=0.014) and anastomotic leaks (P=0.047) were found in the TDL+ group.ConclusionGiven that TDL may aggravate metabolic disorders, increase anastomotic leaks and the pulmonary complications, it is cautious to perform TDL, and prophylactic TDL should not be performed routinely for patients with T2DM.

    Release date:2020-01-17 05:18 Export PDF Favorites Scan
  • Analysis of risk factors for lymph node metastasis and prognosis in T1-stage esophageal squamous cell carcinoma

    ObjectiveTo investigate the risk factors for lymph node metastasis (LNM) and prognosis of T1-stage esophageal squamous carcinoma (ESC).MethodsClinical data of 387 patients with T1-stage ESC who underwent surgical treatment in our hospital from March 2013 to March 2018 were collected. There were 281 males and 106 females aged 60 (41-80) years. The patients were divided into a lymph node metastasis group (n=77) and a non-metastasis group (n=310). The risk factors for LNM and prognosis were analyzed.ResultsAmong 387 patients with T1-stage ESC, 77 (19.9%) patients had LNM. The incidence of LNM was 8.4% (8/95) in T1a-stage patients and 23.6% (69/292) in T1b-stage patients. Univariate analysis showed that tumor size, differentiation degree, depth of invasion and vascular tumor thrombus were associated with LNM (P<0.05). Multivariate logistic regression analysis showed that invasion depth of tumor [OR=2.456, 95%CI (1.104, 5.463), P<0.05] and vascular tumor thrombus [OR=15.766, 95%CI (4.880, 50.938), P<0.05] were independent risk factors for LNM. The follow-up time was 41 (12, 66) months. The 1-year, 3-year and 5-year survival rates were 98.71%, 89.67% and 86.82%, respectively. Univariate analysis showed statistically significant differences in tumor invasion depth, vascular tumor thrombus and LNM between the survival group and the death group. Cox analysis showed that LNM [OR=3.794, 95%CI (2.109, 6.824), P<0.05] was an independent risk factor for prognosis.ConclusionT1-stage ESC patients with deeper invasion or vascular tumor thrombus have a higher risk of LNM. The prognosis of T1-stage ESC with LNM is relatively poor.

    Release date:2020-06-29 08:13 Export PDF Favorites Scan
  • Effect of comorbidity for patients with non-small cell lung cancer on exercise tolerance and cardiopulmonary function

    ObjectiveTo observe the effect of comorbidity for patients with non-small cell lung cancer (NSCLC) on exercise tolerance and cardiopulmonary function. MethodsNSCLC patients who underwent cardiopulmonary exercise testing (CPET) before surgery were retrospectively included. According to the Charlson comorbidity index (CCI) score, patients were divided into two groups: a CCI≥3 group and a CCI<3 group. The patients were matched with a ratio of 1 : 1 by propensity score matching according to the age, body mass index, sex, smoking histology, exercise habits, pathological stage and type of surgery. After matching, CPET indexes were compared between the two groups to explore the differences in exercise tolerance and cardiopulmonary function. ResultsA total of 276 patients were included before matching. After matching, 56 patients were enrolled with 28 patients in each group, including 38 (67.9%) males and 18 (32.1%) females with an average age of 70.7±6.8 years. Compared with the CCI<3 group, work rate at peak (WR peak), WR peak/predicted (WR peak%), kilogram oxygen uptake at anaerobic threshold (VO2/kg AT), VO2/kg peak, VO2/kg peak%, peak carbon dioxide output (VCO2 peak), the minute ventilation to carbon dioxide production slope (VE/VCO2 slope), O2 pulse peak and O2 pulse peak% of CCI≥3 group were statistically different (P<0.05). Among them, the rate of postoperative pulmonary complication in the CCI≥3 group was higher than that in the CCI<3 group (60.7% vs. 32.1%, P=0.032). ConclusionIn the NSCLC patients, exercise tolerance and cardiopulmonary function decreased in patients with CCI≥3 compared with those with CCI<3. CPET can provide an objective basis for risk assessment in patients with comorbidity scored by CCI for pulmonary resection.

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  • A multicenter cross-sectional study of medical staff implementing the "guidelines for atrial fibrillation after coronary artery bypass grafting"

    Objective To investigate the mastery of the management knowledge of patients with postoperative atrial fibrillation by cardiac surgeons in Beijing tertiary hospitals, and the practice status and obstacles of following the guidelines for postoperative atrial fibrillation. Methods A convenient sampling method was used to select cardiac surgeons from four tertiary hospitals in Beijing, and a self-designed questionnaire on the management of postoperative atrial fibrillation patients was used. Results A total of 227 valid questionnaires were collected. Only 43.8% of doctors and 12.8% of nurses passed in knowledge, and 33.3% of doctors and 28.5% of nurses passed in behavior. Among them, risk factor assessment, preventive medication, stroke and bleeding risk assessment were the weakest. "No department requirements" is a common barrier to healthcare worker guideline practice. Job title and participation in training are common influencing factors that affect the knowledge and behavior of healthcare workers, and knowledge level is an important factor affecting healthcare worker behavior. Conclusion In order to improve the effect of CABG surgery and improve the quality of postoperative patient management, hospitals should further strengthen the knowledge and skills training of medical staff on the management guidelines of postoperative atrial fibrillation with CABG, formulate relevant systems to guarantee guidelines for clinical use.

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  • BMI and risk of stroke: a dose-response meta-analysis

    ObjectiveTo systematically review the dose-response relationship between body mass index (BMI) and the risk of stroke. MethodsPubMed, EMbase, Web of Science, The Cochrane Library, CBM, VIP, WanFang Data and CNKI databases were electronically searched to collect studies on BMI and the risk of stroke from inception to December 2021. Two reviewers independently screened literature, extracted data and assessed the risk of bias of included studies; then, meta-analysis was performed by using Stata 16.0 software, and the dose-response relationship between BMI and risk of stroke was analyzed by using restricted cubic spline function and generalized least squares estimation (GLST). ResultsA total of 19 studies involving 3 689 589 patients were included. The results of meta-analysis showed that compared with normal BMI, overweight (RR=1.28, 95%CI 1.19 to 1.39, P<0.01) and obesity (RR=1.41, 95%CI 1.15 to 1.72, P<0.01) had a higher risk of stroke. Dose-response meta-analysis suggested that there was no significant non-linear relationship between BMI and stroke risk (nonlinear test P=0.318), and linear trend showed that the risk of stroke increased by 4% for each unit increase in BMI (RR=1.04, 95%CI 1.03 to 1.05, P<0.01). ConclusionCurrent evidence suggests that increased BMI is associated with an increased risk of stroke. Due to limited quality and quantity of the included studies, more high-quality studies are needed to verify the above conclusion.

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