2023 , Vol. 20 >Issue 10: 1029 - 1035
DOI: https://doi.org/10.3877/cma.j.issn.1672-6448.2023.10.005
超声心肌做功技术对2型糖尿病患者潜在左心室心肌收缩功能损伤的评价
Copy editor: 汪荣
收稿日期: 2022-08-08
网络出版日期: 2024-01-08
基金资助
四川省科技厅项目(2020YFH0183)
中央高校基本科研业务费专项资金(ZYGX2020ZB038)
版权
Evaluation of potential left ventricular systolic dysfunction in patients with type 2 diabetes mellitus using ultrasonic myocardial work technology
Received date: 2022-08-08
Online published: 2024-01-08
Copyright
应用心肌做功技术评价合并与不合并肥胖的2型糖尿病(T2DM)患者潜在左心室心肌收缩功能及同步性的异常改变,探讨心肌做功参数评估T2DM患者左心室收缩功能的临床应用价值。
选取2020年12月至2021年8月四川省人民医院内分泌门诊就诊的T2DM患者共70例,根据体质量指数(BMI)分为2组:T2DM不合并肥胖组(BMI<25 kg/m2)32例,T2DM合并肥胖组(BMI≥25 kg/m2)38例。选取同期年龄、性别相匹配的健康体检者42例为对照组。3组均进行常规超声心动图检查获得左心室构型及功能参数,同时应用斑点追踪及心肌做功技术获得左心室整体纵向应变(GLS)、纵向应变达峰时间离散度(PSD)、整体有效功(GCW)、整体无效功(GWW)、整体做功指数(GWI)以及整体做功效率(GWE)。比较3组间参数的差异。
对照组、T2DM不合并肥胖组、T2DM合并肥胖组左心室射血分数(LVEF)依次降低,差异无统计学意义(P>0.05)。与正常对照组相比,合并肥胖的T2DM组和不合并肥胖的T2DM组的GLS、GCW、GWI、GWE降低,GWW增高,与不合并肥胖的T2DM组相比,合并肥胖的T2DM组GCW、GWE降低,差异有统计学意义(P<0.05)。与正常对照组相比,合并肥胖组的T2DM组PSD增高,差异有统计学意义(P<0.05)。
LVEF正常的T2DM患者的左心室收缩功能已经受损,肥胖加重T2DM患者左心室收缩功能受损程度。心肌做功参数可更敏感地评估潜在左心室收缩功能损伤。心肌做功技术可能成为临床评价射血分数正常的T2DM患者左心室收缩功能的无创新方法。
何金梅 , 尹立雪 , 谭静 , 张文军 , 王锐 , 任梅 , 廖明娇 . 超声心肌做功技术对2型糖尿病患者潜在左心室心肌收缩功能损伤的评价[J]. 中华医学超声杂志(电子版), 2023 , 20(10) : 1029 -1035 . DOI: 10.3877/cma.j.issn.1672-6448.2023.10.005
To evaluate the abnormal changes of potential left ventricular myocardial systolic function and synchronization in patients with type 2 diabetes mellitus (T2DM) with and without obesity by applying myocardial work technique, and to investigate the clinical application of myocardial work parameters in assessing left ventricular systolic function in patients with T2DM.
A total of 70 patients with T2DM attending the endocrine outpatient clinic of Sichuan Provincial People's Hospital from December 2020 to August 2021 were selected and divided into two groups according to body mass index (BMI): 32 cases with T2DM not combined with obesity (BMI<25 kg/m2) and 38 cases with T2DM combined with obesity (BMI≥25 kg/m2). Forty-two age- and gender-matched healthy physical examiners were selected as a control group during the same period. All the three groups underwent conventional echocardiography to obtain left ventricular configuration and function parameters, and at the same time, speckle tracking and myocardial work techniques were used to obtain the global longitudinal strain (GLS), peak strain dispersion (PSD), global constructive work (GCW), global wasted work (GWW), global work index (GWI), and global work efficiency (GWE). The differences in the above parameters were compared among the three groups of parameters.
The left ventricular ejection fraction (LVEF) decreased sequentially in the normal control group, the T2DM without obesity group, and the T2DM with obesity group, but the differences were not statistically significant (P>0.05). Compared with the normal control group, GLS, GCW, GWI, and GWE were decreased and GWW was increased in the other two groups. Compared with T2DM patients without obesity, GCW and GWE in T2DM patients with obesity were decreased significantly (P<0.05). Compared with the normal control group, PSD was significantly increased in T2DM patients with obesity (P<0.05).
Left ventricular myocardial systolic function may have already been impaired in T2DM patients with normal LVEF, and obesity may aggravate such impairment. Myocardial work parameters can more sensitively evaluate potential left ventricular systolic function impairment. Myocardial work technique could be used as an innovative method to evaluate left ventricular systolic function in T2DM patients with normal ejection fraction.
表1 T2DM合并肥胖组、T2DM不合并肥胖组与对照组间一般资料比较( |
临床资料 | 对照组(n=42) | T2DM不合并肥胖组(n=32) | T2DM合并肥胖组(n=38) | 统计值 | P值 |
---|---|---|---|---|---|
年龄(岁) | 41.83±11.44 | 47.19±9.07 | 46.47±11.05 | F=2.88 | 0.061 |
男性[例(%)] | 23(54.8) | 25(78.1) | 28(73.7) | χ2=5.44 | 0.066 |
身高(cm) | 164.50±7.14 | 168.06±7.01 | 165.45±16.02 | F=5.35 | 0.069 |
体重(kg) | 60.00±7.40 | 67.25±18.58 | 72.74±5.95ab | F=41.74 | <0.001 |
收缩压(mmHg) | 115.62±6.28 | 120.13±6.60a | 120.95±9.00a | F=14.21 | <0.001 |
舒张压(mmHg) | 73.50±7.17 | 75.97±6.28 | 76.42±6.35 | F=2.23 | 0.113 |
心率(次/分) | 72.31±9.14 | 78.44±10.48a | 81.79±12.36a | F=15.58 | <0.001 |
BMI(kg/m²) | 22.13±1.86 | 22.63±1.69 | 25.82±0.80ab | F=75.35 | <0.001 |
FPG(mmol/L) | 4.50±0.28 | 9.67±1.60a | 9.61±1.58a | F=78.16 | <0.001 |
注:1 mmHg=0.133 kPa;T2DM为2型糖尿病;BMI为体质量指数;FPG为空腹血糖;与对照组比较,aP<0.05;与T2DM不合并肥胖组比较,bP<0.05 |
表2 T2DM合并肥胖组、T2DM不合并肥胖组与对照组间常规超声心动图参数比较( |
超声参数 | 对照组(n=42) | T2DM不合并肥胖组(n=32) | T2DM合并肥胖组(n=38) | F 值 | P值 |
---|---|---|---|---|---|
LVPWT(mm) | 7.74±1.08 | 8.72±1.17a | 8.71±1.43a | 16.44 | <0.001 |
LVEDD(mm) | 43.33±4.78 | 42.91±3.51 | 43.79±4.30 | 0.40 | 0.820 |
LVESD(mm) | 24.24±3.65 | 24.28±3.02 | 25.16±4.36 | 0.97 | 0.617 |
IVST(mm) | 6.74±1.08 | 7.44±1.22a | 7.53±0.98a | 12.14 | 0.002 |
LAD(mm) | 26.81±3.18 | 25.53±3.22 | 27.00±3.81 | 3.76 | 0.152 |
LVEDV(ml) | 74.12±17.01 | 73.09±15.40 | 73.11±21.95 | 0.57 | 0.752 |
LVESV(ml) | 28.14±10.49 | 28.16±9.09 | 30.21±12.33 | 0.64 | 0.727 |
注:T2DM为2型糖尿病;LVPWT为左心室后壁厚度;LVEDD为左心室舒张末期内径;LVESD为左心室收缩末期内径;IVST为室间隔厚度;LAD为左心房内径;LVEDV为左心室舒张末期容积;LVESV为左心室收缩末期容积;与对照组比较,aP<0.05 |
表3 T2DM合并肥胖组、T2DM不合并肥胖组与对照组舒张功能参数比较( |
超声参数 | 对照组(n=42) | T2DM不合并肥胖组(n=32) | T2DM合并肥胖组(n=38) | F 值 | P值 |
---|---|---|---|---|---|
E(cm/s) | 87.93±18.32 | 75.38±15.71a | 75.68±13.15a | 7.90 | 0.001 |
A(cm/s) | 71.40±15.27 | 73.56±18.08 | 84.37±17.30ab | 6.59 | 0.002 |
E/A | 1.31±0.45 | 1.07±0.36a | 0.95±0.25a | 20.06 | <0.001 |
e(cm/s) | 14.02±2.51 | 11.28±2.98a | 10.53±2.44a | 19.60 | <0.001 |
a(cm/s) | 10.95±1.75 | 10.66±1.36 | 11.37±1.78 | 2.10 | 0.350 |
e/a | 1.31±0.38 | 1.13±0.40 | 0.96±0.31a | 19.65 | <0.001 |
E/e | 6.39±1.23 | 6.91±1.72 | 7.46±1.78a | 7.99 | 0.018 |
注:T2DM为2型糖尿病;E为二尖瓣舒张早期峰值速度;A为舒张晚期峰值速度;E/A为二尖瓣口舒张早期与晚期峰值血流速度比值;e为二尖瓣环舒张早期峰值运动速度;a为二尖瓣环舒张晚期峰值运动速度;与对照组比较,aP<0.05;与T2DM不合并肥胖组比较,bP<0.05 |
表4 T2DM合并肥胖组、T2DM不合并肥胖组与对照组收缩功能参数比较( |
超声参数 | 对照组(n=42) | T2DM不合并肥胖组(n=32) | T2DM合并肥胖组(n=38) | F 值 | P值 |
---|---|---|---|---|---|
LVEF(%) | 64.26±5.46 | 63.91±6.48 | 61.47±6.42 | 3.01 | 0.222 |
GLS(%) | -19.48±1.86 | -16.63±2.14a | -15.13±2.67a | 52.06 | <0.001 |
GCW(mmHg%) | 2077.17±261.14 | 1781.53±221.43a | 1642.89±308.48ab | 27.43 | <0.001 |
GWW(mmHg%) | 45.31±24.66 | 62.34±31.66a | 71.58±38.35a | 14.98 | 0.001 |
GWI(mmHg%) | 1830.62±214.52 | 1545.50±212.99a | 1433.53±311.26a | 26.61 | <0.001 |
GWE(%) | 96.95±1.25 | 95.66±1.84a | 94.39±2.85ab | 15.14 | <0.001 |
PSD(msec) | 32.07±14.04 | 35.41±10.31 | 46.37±19.78a | 16.06 | <0.001 |
注:T2DM为2型糖尿病;LVEF为左心室射血分数;GLS为左心室整体纵向应变;PSD为纵向应变达峰时间离散度;GCW为整体有效功;GWW为整体无效功;GWI为整体做功指数;GWE为整体做功效率;与对照组比较,aP<0.05;与T2DM不合并肥胖组比较,bP<0.05 |
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