<strong>Objective</strong><span style="font-family:;" "=""><span style="font-family:Verdana;"><strong>: </strong>To evaluate the clinical value of...<strong>Objective</strong><span style="font-family:;" "=""><span style="font-family:Verdana;"><strong>: </strong>To evaluate the clinical value of transcranial color Doppler ultrasound (TCCD) in assessing cerebral function after cardiopulmonary resuscitation (CPR). </span><b><span style="font-family:Verdana;">Methods</span></b><span style="font-family:Verdana;">: A prospective study was conducted in 52 patients with cardiac arrest treated by CPR from January 2018 to January 2020, and its clinical data were analyzed</span></span><span style="font-family:Verdana;">. </span><span style="font-family:;" "=""><span style="font-family:Verdana;">According to classification of cerebral performance category (CPC), 31 cases (CPC grade 1 - 2) were selected in the good prognosis group and 21 cases (CPC grade 3 - 5) in the poor prognosis group. The cerebral blood flow was measured by transcranial Doppler ultrasound (TCCD) 24 h after CPR, and the differences were compared between the two groups in stroke index, diastolic blood flow velocity (Vd), systolic peak blood flow velocity (Vs) and mean peak blood flow velocity (Vm). The ROC curve of cerebral blood flow after CPR was drawn to predict the prognosis of brain function. </span><b><span style="font-family:Verdana;">Results</span></b><span style="font-family:Verdana;">: The data showed that the pulsatility index of middle cerebral artery of the poor prognosis group decreased within 24 h</span></span><span style="font-family:Verdana;">;</span><span style="font-family:Verdana;">the difference between the two groups was statistically significant (p < 0.05);the Vd, Vs, Vm increased in the good prognosis group</span><span style="font-family:Verdana;">;</span><span style="font-family:;" "=""><span style="font-family:Verdana;">the difference between the two groups was statistically significant (p < 0.05). The ROC curve of cerebral blood flow after CPR was drawn to predict the prognosis of brain function, and the results showed that the area under the curve and the optimal critical value of cerebral blood flow were 0.731 and 5.69. The sensitivity and specificity were 67.3% and 79.1% respectively. </span><b><span style="font-family:Verdana;">Conclusion</span></b><span style="font-family:Verdana;">: The cerebral blood flow increase in the early stage of successful CPR is positively correlated with the prognosis of cerebral functional resuscitation. Monitoring intracranial blood flow after CPR by TCCD has clinical value to evaluate prognosis of brain function.</span></span>展开更多
目的应用三维能量多普勒及彩色多普勒超声研究先天性心脏病胎儿脑血流灌注。方法选取2017年1月至2018年8月在南京医科大学附属苏州医院进行二维彩色多普勒超声测量的156例孕妇(胎儿正常对照组105例,胎儿先天性心脏病组51例),应用脉冲多...目的应用三维能量多普勒及彩色多普勒超声研究先天性心脏病胎儿脑血流灌注。方法选取2017年1月至2018年8月在南京医科大学附属苏州医院进行二维彩色多普勒超声测量的156例孕妇(胎儿正常对照组105例,胎儿先天性心脏病组51例),应用脉冲多普勒测量胎儿脐动脉搏动指数(PI)及大脑中动脉PI值,并计算大脑中动脉PI与脐动脉PI比值(CPR)。同时应用三维能量多普勒超声成像,通过虚拟器官计算机辅助分析技术勾勒并计算大脑中动脉近心端区域血流灌注参数:血管化指数(VI)、血流指数(FI)和血管化血流指数(VFI),从而评估2组胎儿脑血流灌注情况。对脐动脉、大脑中动脉各组数据所测数据进行Z值校正,再采用方差分析比较组间差异,然后利用Bonferron法进行正常组与先天性心脏病[完全型大动脉转位(TGA),左心发育不良综合征(HLHS),左心梗阻性疾病(LSOL),右心梗阻性疾病(RSOL)]各组的两两比较。结果与正常对照组相比,HLHS和LSOL胎儿大脑中动脉PI(1.27±0.30 vs 1.30±0.30 vs 2.15±0.48)和CPR(1.26±0.29 vs 1.32±0.18 vs 1.92±0.58)均减少,大脑中动脉VI(71.71±19.57 vs 68.11±14.35 vs 42.19±16.29)、FI(88.71±12.53 vs 81.80±14.21 vs 50.15±17.76)和VFI(34.70±7.17 vs35.98±6.52 vs 20.90±11.06)均增加,差异均具有统计学意义(P均<0.001),RSOL、TGA胎儿与正常胎儿之间大脑中动脉VI、FI和VFI比较,差异均无统计学意义(P> 0.05)。结论先天性心脏病胎儿脑血流灌注明显增加,特别是HLHS和LSOL胎儿,产前应用三维能量多普勒及彩色多普勒能有效评估此类先天性心脏病胎儿脑血流灌注。展开更多
文摘<strong>Objective</strong><span style="font-family:;" "=""><span style="font-family:Verdana;"><strong>: </strong>To evaluate the clinical value of transcranial color Doppler ultrasound (TCCD) in assessing cerebral function after cardiopulmonary resuscitation (CPR). </span><b><span style="font-family:Verdana;">Methods</span></b><span style="font-family:Verdana;">: A prospective study was conducted in 52 patients with cardiac arrest treated by CPR from January 2018 to January 2020, and its clinical data were analyzed</span></span><span style="font-family:Verdana;">. </span><span style="font-family:;" "=""><span style="font-family:Verdana;">According to classification of cerebral performance category (CPC), 31 cases (CPC grade 1 - 2) were selected in the good prognosis group and 21 cases (CPC grade 3 - 5) in the poor prognosis group. The cerebral blood flow was measured by transcranial Doppler ultrasound (TCCD) 24 h after CPR, and the differences were compared between the two groups in stroke index, diastolic blood flow velocity (Vd), systolic peak blood flow velocity (Vs) and mean peak blood flow velocity (Vm). The ROC curve of cerebral blood flow after CPR was drawn to predict the prognosis of brain function. </span><b><span style="font-family:Verdana;">Results</span></b><span style="font-family:Verdana;">: The data showed that the pulsatility index of middle cerebral artery of the poor prognosis group decreased within 24 h</span></span><span style="font-family:Verdana;">;</span><span style="font-family:Verdana;">the difference between the two groups was statistically significant (p < 0.05);the Vd, Vs, Vm increased in the good prognosis group</span><span style="font-family:Verdana;">;</span><span style="font-family:;" "=""><span style="font-family:Verdana;">the difference between the two groups was statistically significant (p < 0.05). The ROC curve of cerebral blood flow after CPR was drawn to predict the prognosis of brain function, and the results showed that the area under the curve and the optimal critical value of cerebral blood flow were 0.731 and 5.69. The sensitivity and specificity were 67.3% and 79.1% respectively. </span><b><span style="font-family:Verdana;">Conclusion</span></b><span style="font-family:Verdana;">: The cerebral blood flow increase in the early stage of successful CPR is positively correlated with the prognosis of cerebral functional resuscitation. Monitoring intracranial blood flow after CPR by TCCD has clinical value to evaluate prognosis of brain function.</span></span>
文摘目的应用三维能量多普勒及彩色多普勒超声研究先天性心脏病胎儿脑血流灌注。方法选取2017年1月至2018年8月在南京医科大学附属苏州医院进行二维彩色多普勒超声测量的156例孕妇(胎儿正常对照组105例,胎儿先天性心脏病组51例),应用脉冲多普勒测量胎儿脐动脉搏动指数(PI)及大脑中动脉PI值,并计算大脑中动脉PI与脐动脉PI比值(CPR)。同时应用三维能量多普勒超声成像,通过虚拟器官计算机辅助分析技术勾勒并计算大脑中动脉近心端区域血流灌注参数:血管化指数(VI)、血流指数(FI)和血管化血流指数(VFI),从而评估2组胎儿脑血流灌注情况。对脐动脉、大脑中动脉各组数据所测数据进行Z值校正,再采用方差分析比较组间差异,然后利用Bonferron法进行正常组与先天性心脏病[完全型大动脉转位(TGA),左心发育不良综合征(HLHS),左心梗阻性疾病(LSOL),右心梗阻性疾病(RSOL)]各组的两两比较。结果与正常对照组相比,HLHS和LSOL胎儿大脑中动脉PI(1.27±0.30 vs 1.30±0.30 vs 2.15±0.48)和CPR(1.26±0.29 vs 1.32±0.18 vs 1.92±0.58)均减少,大脑中动脉VI(71.71±19.57 vs 68.11±14.35 vs 42.19±16.29)、FI(88.71±12.53 vs 81.80±14.21 vs 50.15±17.76)和VFI(34.70±7.17 vs35.98±6.52 vs 20.90±11.06)均增加,差异均具有统计学意义(P均<0.001),RSOL、TGA胎儿与正常胎儿之间大脑中动脉VI、FI和VFI比较,差异均无统计学意义(P> 0.05)。结论先天性心脏病胎儿脑血流灌注明显增加,特别是HLHS和LSOL胎儿,产前应用三维能量多普勒及彩色多普勒能有效评估此类先天性心脏病胎儿脑血流灌注。