目的探讨超声引导下右侧颈内静脉穿刺术在肾衰竭患者血液透析中应用价值。方法随机选择116例肾衰竭患者,其中男性79例,女性37例;年龄35～62岁,平均年龄54.54岁。根据不同穿刺方法分为对照组(58例)和观察组(58例)。对照组男性39例,女性19...目的探讨超声引导下右侧颈内静脉穿刺术在肾衰竭患者血液透析中应用价值。方法随机选择116例肾衰竭患者,其中男性79例,女性37例;年龄35～62岁,平均年龄54.54岁。根据不同穿刺方法分为对照组(58例)和观察组(58例)。对照组男性39例,女性19例;年龄35～62岁,平均年龄53.43岁。观察组男性40例,女性18例;年龄36～61岁,平均年龄54.86岁。对照组采用盲法定位法,观察组采用超声引导穿刺,比较两组患者置管情况(术中穿刺置管成功率、置管时间和置管成功率)。比较两组置管感染情况、舒适度评分和并发症发生情况。结果观察组第1次穿刺成功率明显高于对照组(97%vs 71%;χ~2=12.889,P <0.01),置管时间短于对照组[(7.16±0.99) min vs (11.75±1.54) min](t=19.094, P <0.01)。对照组术后感染患者多于观察组(6.9%vs 1.7%;χ~2=5.902,P <0.05)。对照组误伤颈动脉6例,神经损伤4例,局部血管气肿5例,血胸、气胸4例;观察组局部血管气肿1例。对照组发生误伤颈动脉、神经损伤和血胸、气胸发生率显著高于观察组(χ~2=6.327、4.143、4.143,P <0.05)。对照组舒适度评分显著低于观察组[(66.43±6.43)分vs (84.32±8.43)分](t=-12.851,P <0.05)。结论在肾衰竭患者血液透析中采用超声引导下右侧颈内静脉穿刺术可提高置管成功率,减少感染和并发症发生,具有高的临床应用价值。展开更多
To explore the role of tissue harmonic imaging(THI) in differentiating hepatocellular carcinoma (HCC), liver metastasis and hemangioma.Methods TOSHIBA SSA-370A ultrasonic system with a 3-to 6-MHz convex transducer (PM...To explore the role of tissue harmonic imaging(THI) in differentiating hepatocellular carcinoma (HCC), liver metastasis and hemangioma.Methods TOSHIBA SSA-370A ultrasonic system with a 3-to 6-MHz convex transducer (PMV-375AT) was utilized for the study.68 patients(30 cases of HCC, 14 liver metastasis, 24 cases of hemangioma) were examined with fundamental imaging(FI) and tissue harmonic imaging ( THI). Signal-to-noise ratio (SNR), tissue structure parameter:coefficient of variation(CTV) and specific coefficient of variation(CTVs) were calculated, then the tendency of each parameter in every group was evaluated.Results CTV and CTVs within group had no difference, but those between the groups had significant difference(P【0. 05). As a good parameter, CTVs could correctly discriminate HCC, liver metastasis and hemangioma in three groups. It showed that the value of SNR was the highest in hemangioma and the lowest in liver metastasis, and it showed the tendency of increment of the value with a decreased展开更多
文摘目的探讨超声引导下右侧颈内静脉穿刺术在肾衰竭患者血液透析中应用价值。方法随机选择116例肾衰竭患者,其中男性79例,女性37例;年龄35～62岁,平均年龄54.54岁。根据不同穿刺方法分为对照组(58例)和观察组(58例)。对照组男性39例,女性19例;年龄35～62岁,平均年龄53.43岁。观察组男性40例,女性18例;年龄36～61岁,平均年龄54.86岁。对照组采用盲法定位法,观察组采用超声引导穿刺,比较两组患者置管情况(术中穿刺置管成功率、置管时间和置管成功率)。比较两组置管感染情况、舒适度评分和并发症发生情况。结果观察组第1次穿刺成功率明显高于对照组(97%vs 71%;χ~2=12.889,P <0.01),置管时间短于对照组[(7.16±0.99) min vs (11.75±1.54) min](t=19.094, P <0.01)。对照组术后感染患者多于观察组(6.9%vs 1.7%;χ~2=5.902,P <0.05)。对照组误伤颈动脉6例,神经损伤4例,局部血管气肿5例,血胸、气胸4例;观察组局部血管气肿1例。对照组发生误伤颈动脉、神经损伤和血胸、气胸发生率显著高于观察组(χ~2=6.327、4.143、4.143,P <0.05)。对照组舒适度评分显著低于观察组[(66.43±6.43)分vs (84.32±8.43)分](t=-12.851,P <0.05)。结论在肾衰竭患者血液透析中采用超声引导下右侧颈内静脉穿刺术可提高置管成功率,减少感染和并发症发生,具有高的临床应用价值。
文摘To explore the role of tissue harmonic imaging(THI) in differentiating hepatocellular carcinoma (HCC), liver metastasis and hemangioma.Methods TOSHIBA SSA-370A ultrasonic system with a 3-to 6-MHz convex transducer (PMV-375AT) was utilized for the study.68 patients(30 cases of HCC, 14 liver metastasis, 24 cases of hemangioma) were examined with fundamental imaging(FI) and tissue harmonic imaging ( THI). Signal-to-noise ratio (SNR), tissue structure parameter:coefficient of variation(CTV) and specific coefficient of variation(CTVs) were calculated, then the tendency of each parameter in every group was evaluated.Results CTV and CTVs within group had no difference, but those between the groups had significant difference(P【0. 05). As a good parameter, CTVs could correctly discriminate HCC, liver metastasis and hemangioma in three groups. It showed that the value of SNR was the highest in hemangioma and the lowest in liver metastasis, and it showed the tendency of increment of the value with a decreased
