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| LI Yan,LIU Xiaoguang,LIU Zhongjun.Drainage after expansive open-door laminoplasty: natural pressure vs negative pressure[J].Chinese Journal of Spine and Spinal Cord,2018,(11):969-974. |
| Drainage after expansive open-door laminoplasty: natural pressure vs negative pressure |
| Received:October 11, 2018 Revised:November 04, 2018 |
| English Keywords:Natural pressure drainage Negative pressure drainage Expansive open-door laminoplasty Surgical site infection Symptomatic epidural hematoma |
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| English Abstract: |
| 【Abstrct】 Objectives: To compare the clinical outcomes between natural pressure drainage and negative pressure drainage after expansive open-door laminoplasty. Methods: From September 2015 to March 2017, 146 patients in the spine group of Orthopedic Department of Peking University Third Hospital who underwent cervical expansive open-door laminoplasty were reviewed and divided into natural pressure group and negative pressure group according to different pressure of postoperative drainage. The following parameters were compared: drainage volume at the 1st postoperative day, the total volume of postoperative drainage, the total drainage days, postoperative fever, rate of surgical site infection, symptomatic epidural hematoma, preoperative and postoperative JOA score, the JOA improvement rate. Results: The median drainage volume at the 1st postoperative day in the natural pressure group was 50.0ml(30.0, 80.0ml), while in the negative pressure group it was 212.5ml(160.0, 262.5ml)(P<0.05). The median total volume of postoperative drainage in the natural pressure group was 141.0ml(105.0, 200.0ml), while in the negative pressure group it was 367.5ml(297.5, 470.0ml)(P<0.05). The number of median total drainage days in the natural pressure group was 3.0(2.0, 3.0), while in the negative pressure group it was 3.0(3.0, 4.0)(P<0.05). There was no significant difference between the two groups in the morbidity of postoperative fever, rate of surgical site infection or the morbidity of symptomatic epidural hematoma(P>0.05). And there was no significant difference between the two groups in the neurological functional prognosis at the 3 months and the 12 months follow-up(P>0.05). Conclusions: Natural pressure drainage is as safe and effective as negative pressure drainage after expansive open-door laminoplasty. But natural pressure drainage can decrease both the total volume of postoperative drainage and total drainage days. |
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