中国医科大学学报

中国医科大学学报
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中国医科大学学报 ›› 2019, Vol. 48 ›› Issue (3): 260-264.doi: 10.12007/j.issn.0258-4646.2019.03.014

• 论著 • 上一篇    下一篇

双能X线吸收测量法评价减重手术对身体成分的短期影响

孙鹤1, 孙玲玲1, 潘诗农2, 李林孺1, 李琦3, 王磊3, 王勇4   

  1. 1. 中国医科大学附属第四医院放射科, 沈阳 110032;
    2. 中国医科大学附属盛京医院放射科, 沈阳 110004;
    3. 辽宁电力中心医院医学影像科, 沈阳 110006;
    4. 中国医科大学附属第四医院代谢外科, 沈阳 110032
  • 收稿日期:2017-12-14 出版日期:2019-03-30 发布日期:2019-03-06
  • 通讯作者: 孙玲玲 E-mail:lingzisun@sina.com
  • 作者简介:孙鹤(1983-),女,主治医师,硕士.

Short-term Effects of Bariatric Surgery on Body Composition Assessed by Dual-energy X-ray Absorptiometry

SUN He1, SUN Lingling1, PAN Shinong2, LI Linru1, LI Qi3, WANG Lei3, WANG Yong4   

  1. 1. Department of Radiology, The Fourth Affiliated Hospital, China Medical University, Shenyang 110032, China;
    2. Department of Radiology, Shengjing Hospital, China Medical University, Shenyang 110004, China;
    3. Department of Medical Imaging, Liaoning Electric Power Center Hospital, Shenyang 110006, China;
    4. Department of Metabolic Srugery, The Fourth Affiliated Hospital, China Medical University, Shenyang 110032, China
  • Received:2017-12-14 Online:2019-03-30 Published:2019-03-06

摘要: 目的 探讨肥胖患者减重术后短期身体成分的变化情况。方法 选取行减重手术的57例患者,于术前及术后1、3个月采用DEXA检查方法测量全身及不同区域的身体成分指标,并对这些指标的差异性进行比较。结果 体质量指数(BMI)、肌肉含量(LM)于术后1、3个月分别下降10.61%及18.51%、13.22%及14.35%,而A/G脂肪含量(FM)仅于术后3个月出现了明显下降(P < 0.05);术后1、3个月时脊柱骨矿物质密度(BMD)增加、骨盆BMD减少,而全身BMD分别减少了1.23%及1.45%(P < 0.05);脊柱、骨盆及全身骨矿物质含量(BMC)在术后1、3个月均较基线时增加,结果有统计学差异(P < 0.05);术后2次随访全身FM分别减少了9.52%及22.77%,有4个区域(下肢、躯干、A区及G区)出现减少,其中以A区减少程度最大,分别为15.80%及31.86%,有统计学差异(P < 0.05)。结论 减重手术可以在短期内有效降低患者BMI及FM,促进脂肪的重新分布,但同时伴随全身LM的减少,而骨盆及全身BMD和BMC的变化趋势相反。

关键词: 肥胖, 减重手术, 双能X线吸收测量法, 身体成分

Abstract: Objective To assess the short-term effects of bariatric surgery on body composition. Methods Fifty-seven patients who underwent bariatric surgery were assessed by dual-energy x-ray absorptiometry (DEXA) before surgery,and 1 and 3 months after surgery. The body composition indexes of whole body and different regions were compared. Results The body mass index (BMI) decreased by 10.61% and 18.51%,and the lean mass (LM) by 13.22% and 14.35% at 1 and 3 months after surgery,respectively. The A/G far mass (FM) decreased significantly 3 months after surgery (P < 0.05). The bone mineral density (BMD) of the spine increased,but that of the pelvis decreased at 1 and 3 months after the operation,and a reduction was observed in the BMD of the whole body by 1.23% and 1.45%,respectively (P < 0.05). Compared to the baseline,the bone mineral content (BMC) of the spine,pelvis,and whole body increased at 1 and 3 months post-surgery,with a statistically significant difference (P < 0.05). The FM of the whole body (9.52% and 22.77%) and four regions (legs,trunk,android,and gynoid) reduced. A significant loss of FM (P < 0.05) was observed in the android region by 15.80% and 31.86% at the two follow-ups. Conclusion Bariatric surgery can effectively reduce the patient's BMI and FM in the short term,and promotes the redistribution of fat; however,it may be accompanied by a reduction in LM,while the BMD and BMC change trend of pelvis and whole body are opposite.

Key words: obesity, bariatric surgery, dual-energy X-ray absorptiometry, body composition

中图分类号: 

  • R445.4
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