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第44卷第3期         相三婷,王文平,雍永宏,等. 二维斑点追踪技术联合实时三维超声心动图评价肥胖对原发性
                  2024年3月         高血压患者左房功能的影响[J]. 南京医科大学学报(自然科学版),2024,44(3):380-386                   ·383 ·


                                                     表1 亚组间常规数据比较
                                        Table1 Comparison of conventional data of the study cohort
                                                                      Healthy control(n=114)
                            Variables
                                                 Normal weight(n=45)  Overweight(n=46)   Obese(n=23)        P
                 Age(years,x ± s)                   47.36 ± 10.04     47.24 ± 10.22      41.78 ± 12.76     0.092
                 Male[n(%)]                          21(46.67)         26(56.52)          14(60.87)        0.469
                 BSA[m ,M(P25,P75 )]               1.64(1.56,1.74)   1.81(1.70,1.87) *  1.96(1.80,2.16) *#  < 0.001
                      2
                 HR[beats/min,M(P25,P75 )]       70.00(67.00,75.00)  72.00(61.50,77.25)  70.00(63.75,74.25)  0.936
                 SBP(mmHg,x ± s)                   116.80 ± 11.65     123.50 ± 8.20 *   126.70 ± 11.12 *   0.001
                 DBP(mmHg,x ± s)                    77.07 ± 10.00      78.22 ± 6.67       81.11 ± 7.09     0.075
                 LVEF[%,M(P25,P75 )]             66.00(63.50,68.00)  65.00(61.00,68.00)  64.50(61.00,68.50)  0.195
                 LVMI[g/m ,M(P25,P75 )]          88.44(78.34,102.10)  88.60(78.25,103.54)  96.76(83.51,105.65)  0.432
                        2
                 RWT[M(P25,P75 )]                  0.43(0.39,0.47)   0.41(0.38,0.47)    0.44(0.40,0.45)    0.852
                 LAVImax [mL/m ,M(P25,P75 )]     25.62(22.78,29.52)  25.88(18.60,30.59)  25.21(20.73,28.66)  0.911
                           2
                 Hypertension course[years,M(P25,P75 )]  -                 -                  -            -
                 Standardize medication[n(%)]           -                  -                  -            -
                 Family history[n(%)]                   -                  -                  -            -
                                                                 Hypertension(n=132)
                            Variables
                                                 Normal weight(n=46)  Overweight(n=47)   Obese(n=39)        P
                 Age(years,x ̅±s)                   52.13 ± 12.00      50.89 ± 10.36     47.00 ± 10.81     0.098
                 Male[n(%)]                          19(41.30)          26(55.32)          25(64.10)       0.101
                 BSA[m ,M(P25,P75 )]               1.66(1.60,1.77)   1.77(1.68,1.91) *  1.99(1.86,2.10) ★#  < 0.001
                      2
                 HR[beats/min,M(P25,P75 )]       75.00(67.50,81.00)  71.00(65.00,80.00)  75.00(67.75,85.25)  0.349
                 SBP(mmHg,x ± s)                   136.90 ± 13.71 △   129.82 ± 11.76 *▲  137.76 ± 8.09 #★  0.003
                 DBP(mmHg,x ± s)                    84.55 ± 8.43 △     82.87 ± 7.84 ▲     84.72 ± 5.88 ★   0.109
                 LVEF[%,M(P25,P75 )]             65.00(61.00,69.00)  64.00(62.00,69.00)  63.50(60.00,66.25)  0.175
                 LVMI[g/m ,M(P25,P75 )]          99.02(80.09,109.45)  102.96(90.15,120.33) ▲  107.51(93.03,122.25)  0.035
                        2
                 RWT[M(P25,P75 )]                  0.47(0.41,0.49)   0.47(0.41,0.53) ▲  0.47(0.43,0.54)    0.351
                 LAVImax [mL/m ,M(P25,P75 )]     25.61(22.05,29.87)  27.58(23.79,34.51)  26.88(24.01,35.03)  0.135
                           2
                 Hypertension course[years,M(P25,P75 )]  3(0,10)        5(2,10)            5(2,10)         0.130
                 Standardize medication[n(%)]        37(80.43)          39(82.98)          32(82.05)       0.520
                 Family history[n(%)]                31(67.39)          38(80.85)          32(82.05)       0.094

                                                                            #
                                             *
                   Compared with the normal weight group,P < 0.05;compared with the overweight group,P < 0.05;compared with the normal weight subgroup in
                                                                                ▲
                              △
                healthy control group, P < 0.05;compared with the overweight subgroup in healthy control group, P < 0.05;compared with the obese subgroup in
                              ★
                healthy control group,P < 0.05.
                2.3  肥胖对高血压组左房功能影响                                关,与 LASct 无明显相关,年龄与 LASr、LAScd 呈独
                    高血压组中,随 BMI 增加,左房储备功能、导管                      立负相关,SBP 与左房各功能指标均无明显相关性
                期纵向应变及机械功能指数均呈下降趋势,LASct                         (表3)。
                无明显改变但LAEFa呈下降趋势;正常体重高血压                          3 讨    论
                组与超重高血压组间仅 LAEFt 差异有统计学意义,
                随BMI 增加,肥胖高血压组与正常体重高血压组间                              左房曾经是“被遗忘的腔室”,然而,近年诸多
                LASr、LAEFt、LAScd、LAEFp 及 LAEFa 差异均有统              研究发现,左房构型及功能改变是冠心病、高血压
                计学意义,LASct无明显差异(表2)。                              等诸多心血管疾病的早期表现之一,与这类疾病的
                2.4  BMI与高血压患者左房功能相关性                             发生、发展及预后密切相关            [6-8] ,准确、有效地评估左
                     多元线性回归表明:在高血压患者中,BMI 与                       房功能对不良心血管事件的诊疗及预后具有重要
                LASr、LAEFt、LAScd、LAEFp、LAEFa 均呈独立负相               意义  [9-10] 。
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