• 1. Department of Thoracic and Cardiovascular Surgery, Changhai Hospital, The Second Military Medical University, Shanghai, 200433, P.R.China;
  • 2. Department of Plastic Surgery, Changhai Hospital, The Second Military Medical University, Shanghai, 200433, P.R.China;
XUZhiyun, Email: zhiyunx@hotmail.com
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Objective  To investigate the function of a self-designed bilayered negative pressure wound therapy (b-NPWT) in reducing the occurrence of these complications through a clinical randomized controlled trial. Methods  We included 72 coronary heart disease patients in our hospital from December 2013 through March 2014. There were 48 males and 24 females aged 38.4±18.6 years undergoing coronary artery bypass graft(CABG) surgery, and great saphenous veins were chosen as grafts. Patients were equally randomized into a trial group and a control group. The patients in the trial group underwent 5 d of b-NPWT for thigh incision and interrupted suture for shank incision after the harvesting of great saphenous veins. Patients in the control group received an interrupted suture for both thigh incision and shank incision after the harvesting of great saphenous veins. We evaluated the function of b-NPWT by reducing the complications arising from the harvesting of great saphenous veins in CABG patients. Results  The incidences of early complications, such as lymphedema, incision infection, non-union, and skin flap necrosis of the vascular zone in the trial group were significantly lower than those of the control group. There was no death or new problem in heart or deep venous thrombosis in both groups. No complication occurred in long term. The incidence of lower limb edema was lower in the trial group than that in the control group at the end of 3 months follow-up. Conclusion  B-NPWT can effectively prevent lymphorrhagia in CABG patients who underwent the harvesting of great saphenous veins. It can also reduce the incidence of complications and discomfort of the patients.

Citation: YUYongchao, SONGZhigang, XUZhiyun, BIHongda, LIJunhui. Bilayered negative pressure wound therapy in prevention of lymphorrhagia in the patients with coronary artery bypass graft surgery: a randomized controlled trial. Chinese Journal of Clinical Thoracic and Cardiovascular Surgery, 2017, 24(2): 98-103. doi: 10.7507/1007-4848.201605047 Copy

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