Objective: To research the clinical application of two-dimensional speckle tracking imaging (2D-STI) in quantitative assessment of left ventricular function in patients with obstructive sleep apnea-hypopnea syndrome (...Objective: To research the clinical application of two-dimensional speckle tracking imaging (2D-STI) in quantitative assessment of left ventricular function in patients with obstructive sleep apnea-hypopnea syndrome (OSAS). Method: From July 2016 to December 2018, 86 patients with OSAS were selected as OSAS group. According to sleep apnea hypopnea index (AHI), they were divided into mild OSAS group (24 cases), moderate OSAS group (29 cases) and severe OSAS group (33 cases). Another 50 healthy volunteers who underwent physical examination in our hospital during the same period were selected as the control group. The left ventricular function of all patients was quantitatively assessed by 2D-STI. The left ventricular function of all patients was quantitatively assessed by 2D-STI. The results of routine echocardiography and left ventricular global strain parameters of the OSAS group, the control group and the OSAS patients with different severity were compared and analyzed. Result: There were no significant differences in the levels of left ventricular ejection fraction (LVEF), left ventricular end diastolic diameter (LVEDd), left ventricular end systolic diameter (LVESd) between the two groups and OSAS patients with different severity (P>0.05). The levels of IVST, LVPW and LVMI in the OSAS group were significantly higher than those in the control group, the levels of end-diastolic interventricular septal thickness (IVS), left ventricular posterior wall thickness (LVPW), left ventricular mass index (LVMI) in the severe OSAS group were significantly higher than those in the mild and moderate OSAS group, and the levels of IVST, LVPW and LVMI in the moderate OSAS group were significantly higher than those in the mild OSAS group, there were significant differences between groups (P<0.05). The levels of GLS, GRS and GCS in the OSAS group were significantly lower than those in the control group (P<0.05). GLS, GRS and GCS levels in the severe OSAS group were significantly lower than those in the mild OSAS group and the moderate OSAS group, while the levels of global longitudinal strain (GLS), global radial strain (GRS) and global circumferential strain (GCS) in the moderate OSAS group were significantly lower than those in the mild OSAS group (P<0.05). Conclusion: The left ventricular systolic function of OSAS patients is obviously impaired. Left ventricular function in OSAS patients can be assessed timely and accurately by two-dimensional speckle tracking imaging.展开更多
This article reports the various methods used to assess diaphragmatic function by ultrasonography.The excursions of the two hemidiaphragms can be measured using two-dimensional or M-mode ultrasonography,during respira...This article reports the various methods used to assess diaphragmatic function by ultrasonography.The excursions of the two hemidiaphragms can be measured using two-dimensional or M-mode ultrasonography,during respiratory maneuvers such as quiet breathing,voluntary sniffing and deep inspiration.On the zone of apposition to the rib cage for both hemidiaphragms,it is possible to measure the thickness on expiration and during deep breathing to assess the percentage of thickening during inspiration.These two approaches make it possible to assess the quality of the diaphragmatic function and the diagnosis of diaphragmatic paralysis or dysfunction.These methods are particularly useful in circumstances where there is a high risk of phrenic nerve injury or in diseases affecting the contractility or the motion of the diaphragm such as neuro-muscular diseases.Recent methods such as speckle tracking imaging and ultrasound shear wave elastography should provide more detailed information for better assessment of diaphragmatic function.展开更多
目的 应用二维斑点追踪成像(two-dimensional speckle tracking imaging,2D-STI)和超声极速成像技术分别检测左心房壁心肌应变率参数和颈动脉弹性参数,评价H型高血压对糖尿病肾病患者左心房及颈动脉功能的影响。方法 收集2019年9月至202...目的 应用二维斑点追踪成像(two-dimensional speckle tracking imaging,2D-STI)和超声极速成像技术分别检测左心房壁心肌应变率参数和颈动脉弹性参数,评价H型高血压对糖尿病肾病患者左心房及颈动脉功能的影响。方法 收集2019年9月至2021年6月西安医学院第三附属医院就诊的糖尿病肾病患者136例,根据指南标准分为单纯高血压组53例及H型高血压组83例,选择同期健康受试者50例作为健康对照组。收集所有受试者常规超声心动图及多普勒超声检查参数。应用2D-STI计算左心房壁心肌应变率参数[左心房收缩期平均纵向峰值应变率(mean peak longitudinal strain rate of left atrium in systolic phase,mSRs),左心房舒张晚期平均峰值纵向应变率(mean peak longitudinal strain rate of left atrium in late-diastolic phase,mSRa),左心房舒张早期平均峰值纵向应变率(mean peak longitudinal strain rate of left atrium in early-diastolic phase,mSRe)]。超声极速成像技术检测颈动脉弹性相关参数[内-中膜厚度(intima-media thickness,IMT),收缩早期脉搏波传导速度(beginning of the systole PWV,BS-PWV),收缩晚期脉搏波传导速度(end of the systole PWV,ES-PWV)]。Pearson相关性分析左心房壁心肌应变率参数与颈动脉弹性参数间的相关性。结果 单纯高血压组和H型高血压组BMI、糖化血红蛋白浓度及收缩压、舒张压均高于健康对照组(P<0.05)。单纯高血压组和H型高血压组的左心房前后径(left atrial diameters,LAD),二尖瓣口舒张早期血流速度峰值与二尖瓣环根部运动速度峰值比(E/e’)均高于健康对照组(P<0.05),单纯高血压组LAD低于H型高血压组(P<0.05)。单纯高血压组和H型高血压组mSRs、mSRe均低于健康对照组,且H型高血压组mSRs、mSRe低于单纯高血压组(P<0.05)。单纯高血压组和H型高血压组IMT、BS-PWV及ES-PWV均高于健康对照组(P<0.05);H型高血压组的IMT、BS-PWV及ES-PWV均高于单纯高血压组(P<0.05)。结论 相比健康人群,糖尿病肾病患者左心房和颈动脉功能明显发生损害,其中合并H型高血压的患者功能损害更加明显,且与颈动脉硬化及左心房功能损害具有相关性,提示H型高血压能加剧糖尿病肾病患者左心房及颈动脉功能损害。展开更多
文摘Objective: To research the clinical application of two-dimensional speckle tracking imaging (2D-STI) in quantitative assessment of left ventricular function in patients with obstructive sleep apnea-hypopnea syndrome (OSAS). Method: From July 2016 to December 2018, 86 patients with OSAS were selected as OSAS group. According to sleep apnea hypopnea index (AHI), they were divided into mild OSAS group (24 cases), moderate OSAS group (29 cases) and severe OSAS group (33 cases). Another 50 healthy volunteers who underwent physical examination in our hospital during the same period were selected as the control group. The left ventricular function of all patients was quantitatively assessed by 2D-STI. The left ventricular function of all patients was quantitatively assessed by 2D-STI. The results of routine echocardiography and left ventricular global strain parameters of the OSAS group, the control group and the OSAS patients with different severity were compared and analyzed. Result: There were no significant differences in the levels of left ventricular ejection fraction (LVEF), left ventricular end diastolic diameter (LVEDd), left ventricular end systolic diameter (LVESd) between the two groups and OSAS patients with different severity (P>0.05). The levels of IVST, LVPW and LVMI in the OSAS group were significantly higher than those in the control group, the levels of end-diastolic interventricular septal thickness (IVS), left ventricular posterior wall thickness (LVPW), left ventricular mass index (LVMI) in the severe OSAS group were significantly higher than those in the mild and moderate OSAS group, and the levels of IVST, LVPW and LVMI in the moderate OSAS group were significantly higher than those in the mild OSAS group, there were significant differences between groups (P<0.05). The levels of GLS, GRS and GCS in the OSAS group were significantly lower than those in the control group (P<0.05). GLS, GRS and GCS levels in the severe OSAS group were significantly lower than those in the mild OSAS group and the moderate OSAS group, while the levels of global longitudinal strain (GLS), global radial strain (GRS) and global circumferential strain (GCS) in the moderate OSAS group were significantly lower than those in the mild OSAS group (P<0.05). Conclusion: The left ventricular systolic function of OSAS patients is obviously impaired. Left ventricular function in OSAS patients can be assessed timely and accurately by two-dimensional speckle tracking imaging.
文摘This article reports the various methods used to assess diaphragmatic function by ultrasonography.The excursions of the two hemidiaphragms can be measured using two-dimensional or M-mode ultrasonography,during respiratory maneuvers such as quiet breathing,voluntary sniffing and deep inspiration.On the zone of apposition to the rib cage for both hemidiaphragms,it is possible to measure the thickness on expiration and during deep breathing to assess the percentage of thickening during inspiration.These two approaches make it possible to assess the quality of the diaphragmatic function and the diagnosis of diaphragmatic paralysis or dysfunction.These methods are particularly useful in circumstances where there is a high risk of phrenic nerve injury or in diseases affecting the contractility or the motion of the diaphragm such as neuro-muscular diseases.Recent methods such as speckle tracking imaging and ultrasound shear wave elastography should provide more detailed information for better assessment of diaphragmatic function.
文摘目的 应用二维斑点追踪成像(two-dimensional speckle tracking imaging,2D-STI)和超声极速成像技术分别检测左心房壁心肌应变率参数和颈动脉弹性参数,评价H型高血压对糖尿病肾病患者左心房及颈动脉功能的影响。方法 收集2019年9月至2021年6月西安医学院第三附属医院就诊的糖尿病肾病患者136例,根据指南标准分为单纯高血压组53例及H型高血压组83例,选择同期健康受试者50例作为健康对照组。收集所有受试者常规超声心动图及多普勒超声检查参数。应用2D-STI计算左心房壁心肌应变率参数[左心房收缩期平均纵向峰值应变率(mean peak longitudinal strain rate of left atrium in systolic phase,mSRs),左心房舒张晚期平均峰值纵向应变率(mean peak longitudinal strain rate of left atrium in late-diastolic phase,mSRa),左心房舒张早期平均峰值纵向应变率(mean peak longitudinal strain rate of left atrium in early-diastolic phase,mSRe)]。超声极速成像技术检测颈动脉弹性相关参数[内-中膜厚度(intima-media thickness,IMT),收缩早期脉搏波传导速度(beginning of the systole PWV,BS-PWV),收缩晚期脉搏波传导速度(end of the systole PWV,ES-PWV)]。Pearson相关性分析左心房壁心肌应变率参数与颈动脉弹性参数间的相关性。结果 单纯高血压组和H型高血压组BMI、糖化血红蛋白浓度及收缩压、舒张压均高于健康对照组(P<0.05)。单纯高血压组和H型高血压组的左心房前后径(left atrial diameters,LAD),二尖瓣口舒张早期血流速度峰值与二尖瓣环根部运动速度峰值比(E/e’)均高于健康对照组(P<0.05),单纯高血压组LAD低于H型高血压组(P<0.05)。单纯高血压组和H型高血压组mSRs、mSRe均低于健康对照组,且H型高血压组mSRs、mSRe低于单纯高血压组(P<0.05)。单纯高血压组和H型高血压组IMT、BS-PWV及ES-PWV均高于健康对照组(P<0.05);H型高血压组的IMT、BS-PWV及ES-PWV均高于单纯高血压组(P<0.05)。结论 相比健康人群,糖尿病肾病患者左心房和颈动脉功能明显发生损害,其中合并H型高血压的患者功能损害更加明显,且与颈动脉硬化及左心房功能损害具有相关性,提示H型高血压能加剧糖尿病肾病患者左心房及颈动脉功能损害。
