摘要
回顾性分析2019年1月—2022年12月在天津医科大学总医院普通外科接受腹腔镜胃袖状切除术的肥胖患者基线资料。根据术前是否合并MS,将患者分为MS组和非MS组。采用倾向性评分匹配方法平衡组间混杂因素,比较两组的临床指标差异。以MS诊断为因变量,相关基线指标为自变量,进行Logistic回归分析,并采用受试者工作特征曲线(ROC)评估关键指标的预测效能。
共纳入479例肥胖患者,其中321例合并MS,患病率为67.01%。匹配前,两组在多项临床指标差异有统计学意义(均P<0.05);匹配后,仅内脏脂肪面积差异仍具统计学意义,MS组明显高于非MS组(P<0.05)。Logistic回归分析显示,内脏脂肪面积为MS的独立危险因素(OR=1.038,95% CI=1.017~1.059,P<0.001)。ROC曲线分析显示,内脏脂肪面积预测MS的临界值为156.5 cm²,AUC为0.728(95% CI=0.625~0.830),敏感度为0.826,特异度为0.413(P<0.001)。
代谢综合征(metabolic syndrome,MS)是一种以胰岛素抵抗为核心的综合性代谢异常状态,常表现为高血压、高血糖和血脂异常等多项指标失
回顾性分析2019年1月—2022年12月在天津医科大学总医院普通外科接受腹腔镜下袖状胃切除术的479例肥胖症患者基线数据。参照《中国肥胖及2型糖尿病外科治疗指南(2019版)
根据《中国2型糖尿病防治指南(2020年版)
⑴ 患者一般资料:身高、体质量、腰围和血压及体质量指数(BMI);⑵ 实验室检查:胆固醇、甘油三酯、高密度脂蛋白、低密度脂蛋白、肌酐、尿酸、糖化血红蛋白、空腹血糖、口服葡萄糖耐量试验(OGTT);⑶ 人体成分:采用生物电阻抗法检测内脏脂肪面积和体脂率,要求患者晨起空腹,测量前2 h不剧烈运动,保持水分平衡和安静状态,使用人体成分检测仪InBody770(韩国InBody公司)测量,依据其说明书操作。
采用SPSS 22.0统计软件进行分析。正态分布的计量资料以均数±标准差(),两两比较采用t检验;非正态分布的计量资料用中位数和四分位数间距[M(IQR)]表示,两组间的比较使用Mann-Whitney U检验。计数资料用例数(百分比)[n(%)]和率表示,组间比较采用
本研究共纳入479例患者,其中男性140例,女性339例,平均年龄(31.95±7.71)岁。有321例患者合并MS,患病率为67.01%。MS组和非MS组的BMI、低密度脂蛋白以及舒张压差异无统计学意义(均P>0.05),MS组女性占比、年龄、腰围、胆固醇、甘油三酯、肌酐、尿酸、糖化血红蛋白、空腹血糖、体脂率、内脏脂肪面积以及收缩压均高于非MS组,差异均有统计学意义(均P<0.05)(
指标 | 非MS组(n=158) | MS组(n=321) | P | |
---|---|---|---|---|
性别[n(%)] | ||||
男 | 27(17.09) | 113(35.20) | 16.796 | <0.001 |
女 | 131(82.91) | 208(64.80) | ||
年龄[岁,M(IQR)] | 29(24~35) | 33(28~38) | -4.108 | <0.001 |
BMI[kg/ | 38.71(35.31~43.5) | 40.23(35.19~45.33) | -1.586 | 0.113 |
腰围[cm,M(IQR)] | 116(107~127) | 122(110~133) | -3.445 | 0.001 |
胆固醇[mmol/L,M(IQR)] | 4.82(4.29~5.36) | 5.01(4.46~5.7) | -2.530 | 0.011 |
甘油三酯[mmol/L,M(IQR)] | 1.38(1.14~1.61) | 2.25(1.8~3.07) | -12.664 | <0.001 |
高密度脂蛋白[mmol/L,M(IQR)] | 1.21(1.1~1.35) | 1(0.9~1.12) | -9.869 | <0.001 |
低密度脂蛋白[mmol/L,M(IQR)] | 3.17(2.75~3.58) | 3.24(2.79~3.79) | -1.567 | 0.117 |
肌酐[μmol/L,M(IQR)] | 49(42~56) | 51(44~62) | -2.058 | 0.04 |
尿酸[μmol/L,M(IQR)] | 396.5(339~453) | 434(368~508) | -3.431 | <0.001 |
糖化血红蛋白[%,M(IQR)] | 5.7(5.5~6.1) | 6.5(5.9~7.2) | -8.712 | <0.001 |
空腹血糖[mmol/L,M(IQR)] | 5.01(4.6~5.46) | 6.1(5.08~7.41) | -8.230 | <0.001 |
体脂率[%,M(IQR)] | 41.8(35.5~47) | 48.1(44.6~51.3) | -8.878 | <0.001 |
内脏脂肪面积[c | 160.0(128.6~179.7) | 227.6(199.6~253.9) | -16.074 | <0.001 |
收缩压[mmHg,M(IQR)] | 120(115~126) | 122(116~129) | -2.369 | 0.018 |
舒张压[mmHg,M(IQR)] | 75(71~78) | 76(71~80) | -1.439 | 0.15 |
按1∶1比例PSM后,两组均为46例患者。比较两组患者基线数据结果显示MS组内脏脂肪面积明显大于非MS组,差异存在统计学意义(P<0.05);其余指标差异均无统计学意义(均P>0.05)(
指标 | 非MS组 | MS组 | P | |
---|---|---|---|---|
性别[n(%)] | ||||
男 | 11(23.91) | 10(21.74) | 0.062 | 0.804 |
女 | 35(76.09) | 36(78.26) | ||
年龄[岁,M(IQR)] | 32(27~38) | 32.5(27~36) | -1.41 | 0.888 |
BMI [kg/ | 37.64(33.71~39.08) | 35.02(33.06~39.68) | -1.402 | 0.161 |
胆固醇[mmol/L,] | 5.06±0.78 | 4.91±1.02 | -0.804 | 0.423 |
低密度脂蛋白[mmol/L,] | 3.31±0.73 | 3.19±0.71 | -0.791 | 0.431 |
肌酐[μmol/L,M(IQR)] | 48(41~56) | 48.5(44~57) | -0.332 | 0.74 |
尿酸[μmol/L,M(IQR)] | 394.5(339~468) | 430(347~478) | -0.922 | 0.357 |
糖化血红蛋白[%,M(IQR)] | 5.85(5.7~6.4) | 6(5.6~6.9) | -0.536 | 0.592 |
体脂率[%,] | 42.66±5.64 | 42.76±6.87 | 0.078 | 0.938 |
内脏脂肪面积[c | 154.7(138.3~175.6) | 179.4(157.2~189.5) | -3.76 | <0.001 |
以内脏脂肪面积为自变量,MS缓解为因变量,进行二元Logistic回归分析。Logistic回归分析显示内脏脂肪面积(OR=1.038,95% CI=1.017~1.059,P<0.001)为患MS的独立危险因素(
因素 | β | SE | Wald | OR | 95% CI | P |
---|---|---|---|---|---|---|
内脏脂肪面积 | 0.037 | 0.01 | 12.921 | 1.038 | 1.017~1.059 | <0.001 |

图1 ROC曲线
肥胖是许多疾病的致病因
本研究结果显示,内脏脂肪面积升高是导致肥胖症患者发生MS的重要危险因素,这一点与其他研究结果一
目前,常用的身体成分测量技术主要包括超声、生物电阻抗分析(bioelectrical impedance,BIA)、CT与核磁共振(magnetic resonance imaging,MRI)以及双X射线吸收法(double X-ray absorption method,DXA
综上所述,人群中,内脏脂肪面积是肥胖症患者MS预测价值最高的指标,术前和随访过程中提高对内脏脂肪面积的重视,有利于更准确评估病态性肥胖的代谢状况。
作者贡献声明
韩宜彤、张佳宇、付晨曦负责实施研究、采集分析数据、统计分析、文字撰写;陈俊航、陈岩、梁晓宇负责采集分析数据、统计分析;孙龙昊负责设计实验、获取研究经费、审阅文章。
利益冲突
所有作者均声明不存在利益冲突。
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