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目的探讨经胸超声心动图(TTE)在肺血栓栓塞症(PTE)诊断中的应用价值。方法对108例疑似PTE患者行TTE检查,并以CT肺血管造影(CTPA)检查结果为诊断标准评价TTE诊断结果。结果本组108例疑诊PTE患者行CTPA检查,34例诊断为PTE阳性,占31.5%,34例诊断为PTE阳性的患者经TTE检查确诊33例;PTE阳性组RA横径、RV横径、PAD和RPAD明显增宽,与阴性组比较差异有统计学意义(P<0.05)。结论在PTE诊断中,TTE与CTPA相比有较高的一致性,可作为PTE床旁诊断的首选方法。
Objective To investigate the value of transthoracic echocardiography (TTE) in the diagnosis of pulmonary thromboembolism (PTE). Methods 108 cases of suspected PTE patients underwent TTE examination and CT pulmonary angiography (CTPA) test results as diagnostic criteria to evaluate the diagnostic results of TTE. Results Of the 108 patients with suspected PTE, CTPA was diagnosed in 34 patients, PTE was positive in 34 patients (31.5%), and 33 patients diagnosed as PTE positive in diagnosis of PTE were confirmed by TTE in 33 patients. The P values of RA, PAD and RPAD significantly broaden, with the difference between the negative group was statistically significant (P <0.05). Conclusion In the diagnosis of PTE, TTE has a higher consistency with CTPA, which can be used as the first choice of PTE bedside diagnosis.