Influence of different amounts of negative pressure on postoperative drainage volume in axillary endoscopic breast augmentation: a randomized controlled clinical trial
10.3760/cma.j.cn114453-20200723-00440
- VernacularTitle:内窥镜辅助腋窝入路隆乳术后不同负压水平对引流量影响的随机对照临床研究
- Author:
Rongrong WANG
1
;
Jiaming SUN
;
Jing TONG
;
Lingyun XIONG
;
Wei XIONG
;
Jie YANG
Author Information
1. 华中科技大学同济医学院附属协和医院整形外科 430022
- Keywords:
Breast implants;
Mammoplasty;
Endoscopes;
Negative-pressure wound therapy;
Augmentation mammoplasty
- From:
Chinese Journal of Plastic Surgery
2021;37(10):1141-1145
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To investigate the influences of different amounts of negative pressure on postoperative drainage volume for patients undergoing axillary endoscopic augmentation mammoplasty.Methods:According to the random number table, patients who were admitted to the Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology for augmentation mammoplasty between January 1st, 2018 and May 31st, 2019 were randomly grouped into high negative pressure group and low negative pressure group respectively. In the high negative pressure group, -90 kPa negative pressure was applied through a 600 ml negative pressure drainage bottle. In the low negative pressure group, -10 to -16 kPa negative pressure was applied through a 200 ml negative pressure drainage ball. Total drainage volume, drainage volume per day, drainage placement time, incidence and types of complications were recorded. Independent sample t-test or the rank-sum test for two independent samples was applied for comparison between groups. Results:A total of 56 patients who met the inclusion criteria were divided into high negative pressure group(age 28.2±4.1 years) and low negative pressure group(age 27.0±3.3 years). Patients’ BMI was (19.2±1.4) kg/m 2 in the high negative pressure group and (19.1±1.2) kg/m 2 in the low negative pressure group. Implant volume was (249.2±24.9) ml in the high negative pressure group and (257.5±23.8) ml in the low negative pressure group. There was no significant difference in baseline data between 2 groups ( P>0.05). There were significant differences in the daily drainage volume per breast (except for the third day), total drainage volume per breast and the duration of drainage placement between the two groups. The duration of drainage placement was 5.9±0.9 days in the high negative pressure group and 4.8±1.1 days in the low negative pressure group. Total drainage volume per breast was (336.4±86.7) ml in the high negative pressure group and (233.5±43.8) ml in the low negative pressure group. Patients were followed up for 12 months. No hematoma, seroma, inflammation or capsular contracture occurred in either group. One patient(3.6%) suffered breast implant displacement in the high negative pressure group and had revisional surgery. Conclusions:Lower negative pressure (-10 to -16 kPa) was associated with less drainage volume and shorter drainage placement time compared to higher negative pressure (-90 kPa) in patients undergoing axillary endoscopic augmentation mammoplasty.
