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find Author "刘兴荣" 4 results
  • Mid-term Results of Cardiovascular Surgery Employing Extracorporeal Circulation in Patients Dependent on Dialysis

    Objective To summarize our experience of cardiovascular surgery for patients dependent on dialysis, and evaluate its safety and efficacy.?Methods?Clinical data of 10 consecutive patients dependent on maintenance dialysis underwent cardiovascular operations between Dec. 2004 and April 2011 in Peking Union Medical College Hospital were analyzed retrospectively. There were 6 male and 4 female patients, aged between 23 to 71 (57.6±13.2) years. They were put on dialysis 3-98 (25.2±30.6) months prior to operation due to diabetic nephropathy in 6 patients, chronic glomerulitis in 3 patients and systemic lupus erythemus in 1 patient, and 8 were dependent on hemodialysis and 2 on peritoneal dialysis. Five patients underwent coronary artery bypass grafting, one underwent Bentall procedure,two underwent aortic valve replacement, one underwent mitral valve replacement, and one underwent superior vena cava thrombectomy and patch repair. Patients underwent dialysis on the day before elective operation, followed by continuous ultra-filtration during cardiopulmonary bypass, and then bedside heparin-free continuous veno-venous hyperfiltration-dialysis started 5-32 hours after the operation. Conventional peritoneal dialysis or hemodialysis was resumed 4-7 days after operation.?Results?All operations were successfully completed. Cardiopulmonary bypass time was (125.8±33.5)minutes, aortic clamp time was(77.2±25.5) minutes. One in-hospital death occurred due to septic shock after deep chest wound infection. One patient underwent re-exploration due to pericardial temponade to achieve hemostasis. Three patients experienced atrial fibrillation and were all converted to sinus rhythm by amiodarone. Nine patients recovered to discharge and were followed-up for 8-76 months. Two late deaths occurred due to intracranial hemorrhage and liver carcinoma respectively. Seven survived patients were all in New York Heart Association grade II functional class, and none of them experience major advertent cardiac events related to grafts or prosthetic valve. One patient switched to hemodialysis 14 months after discharge due to peritonitis.Conclusion?Cardiovascular surgery can be practiced in patients dependent on maintenance hemodialysis or peritoneal dialysis with appropriate peri-operative management, so that symptoms can be relieved and quality of life improved.

    Release date:2016-08-30 05:50 Export PDF Favorites Scan
  • 停循环技术应用于升主动脉-胸降主动脉人工血管旁路移植治疗主动脉缩窄

    目的总结经单一胸部正中切口采用低温停循环技术行解剖外升主动脉-胸降主动脉人工血管旁路移植术治疗主动脉缩窄的经验。方法回顾性分析 2009 年 12 月至 2018 年 5 月我院连续 12 例主动脉缩窄患者的临床资料。其中男女各 6 例,年龄 13~42 岁,均有高血压症状,上下肢动脉收缩压差 46~85(57.1±16.8)mm Hg。手术经胸部正中切口,采用体外循环及深低温停循环技术,行升主动脉-心包后胸降主动脉人工血管旁路移植术。结果人工血管平均直径 14~20(17.2±1.8)mm,体外循环时间 69~197(115.9±40.6)min,主动脉阻断时间 41~142(69.8±30.7)min,深低温停循环时间 9~27(16.8±4.1)min。所有患者均未输血,无严重并发症。术后上下肢动脉收缩压差值为 –12~22(14.3±4.8)mm Hg,较术前显著下降(P<0.01)。所有患者均康复出院,平均随访 3~91(41.9±21.5)个月,随访期间仅 1 例患者术后需要服用 1 种降压药物,其余患者均正常。结论深低温停循环下经胸部切口行解剖外人工血管旁路移植术治疗主动脉缩窄安全有效,未来需要更多病例进一步验证。

    Release date:2019-05-28 09:28 Export PDF Favorites Scan
  • Research on the overlap between Chinese systematic reviews and Cochrane reviews

    ObjectiveTo investigate the extent of overlap between Chinese systematic reviews (SRs) and Cochrane SRs in the field of stroke. MethodsThe CNKI, WanFang Data, CBM and Cochrane Library databases were searched to collect Chinese SRs and Cochrane SRs in the field of stroke published from 2012 to 2022. By extracting population (P), intervention (I), comparison (C), and outcome (O) of all interventional SRs in the stroke field to analyse the extent of overlap of SRs. The basic information and research information of SRs with overlapping PICOs were further extracted to conduct descriptive analysis. ResultsA total of 1 303 SRs were included, involving 1 192 Chinese SRs and 111 Cochrane SRs in the field of stroke. The overlapping analysis found that 128 Chinese SRs overlapped with 29 (26.1%) of the 111 Cochrane SRs. Most (127/128, 99.2%) Chinese SRs were published later than Cochrane SRs. The year of publication of overlapping SRs showed a trend of increasing year by year. ConclusionThe SR work carried out by scholars in China has the problem of overlapping studies that cannot be ignored, and the lack of strict regulation and guidance in methods such as registration, protocol writing, and literature search has resulted in a great waste of resources. It is necessary to further strengthen regulatory constraints and guidance, adhere to problem orientation and quality awareness, strengthen SR training, and reduce overlapping research.

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  • Efficacy and safety of major ozonated autohemotherapy in the treatment of ischemic stroke: a meta-analysis

    ObjectiveTo systematically review the efficacy and safety of major ozonated autohemotherapy in the treatment of ischemic stroke.MethodsPubMed, EMbase, The Cochrane Library, Web of Science, CBM, WanFang Data, VIP and CNKI were electronically searched to collect randomized controlled trials (RCTs) of the efficacy and safety of major ozonated autohemotherapy in the treatment of ischemic stroke from inception to July 1st, 2020. Two reviewers independently screened literature, extracted data and assessed risk of bias of included studies. Meta-analysis was then performed by using RevMan 5.3 software.ResultsA total of 25 RCTs involving 3 681 patients were included. The results of meta-analysis showed that the major ozonated autohemotherapy combined with conventional therapy in the treatment of patients with ischemic stroke in terms of total effective rate (RR=1.20, 95%CI 1.15 to 1.25, P<0.001), national institutes of health stroke scale (MD=−3.15, 95%CI −4.72 to −1.59, P<0.001), total cholesterol (MD=−1.00, 95%CI −1.48 to −0.53, P<0.001), triglyceride (MD=−0.74, 95%CI −1.04 to −0.43, P<0.001), low-density lipoprotein cholesterol (MD=−0.65, 95%CI −1.22 to −0.09, P=0.02), and activity of daily living (MD=11.97, 95%CI 4.48 to 19.47, P=0.002) were superior to the conventional treatment group. There was no significant difference between the two groups in high-density lipoprotein cholesterol (MD=0.25, 95%CI −0.46 to 0.96, P=0.49) and the incidence of adverse effects (OR=3.15, 95%CI 0.93 to 10.63, P=0.06).ConclusionsThe major ozonated autohemotherapy can significantly improve the prognosis of patients with ischemic stroke while not affecting the adverse effects. Due to the limited quality and quantity of the included studies, more high-quality studies are needed to verify the above conclusions.

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