ctpa

Detection of normal pulmonary arteries using different slice thickness CTPA imagings

不同层厚的CTPA图像对正常肺动脉分支的显示

CTPA can accurately diagnose pulmonary hypertension and thereby provide useful information for the etiological diagnosis .

CT肺动脉造影可准确诊断肺动脉高压，并为病因诊断提供有效信息。

CTPA Versus V / Q Scan in Diagnosing Pulmonary Embolism

肺CTPA与肺V/Q显像诊断肺栓塞比较研究

Correlated study of direct signs of pulmonary embolism in multi-detector CTPA and the effect of thrombolytic therapy

多层螺旋CT肺动脉栓塞直接征象与溶栓效果的对照

A Contrastive Analysis of Spiral CTPA and MRPA in the Diagnosis of Pulmonary Embolism

螺旋CTPA与MRPA诊断肺动脉栓塞的对比分析

The filling defect was seen in the subsegmental pulmonary arteries on CTPA .

在CTPA图像上表现为相应肺动脉内的充盈缺损；

Objective To investigate diagnosis value of CT pulmonary arteriography ( CTPA ) in pulmonary embolism ( PE ) .

目的探讨CT肺动脉造影对肺动脉栓塞（PE）的诊断价值。

CT pulmonary angiography ( CTPA ): filling defects in the pulmonary arteries above segmental artery could be seen in all of these cases .

CT肺动脉造影（CTPA）4例均见段或段以上充盈缺损。

Conclusion : Image quality of CTPA is mainly influenced by scan and postprocessing technique . Rational application of imaging technique attributes to improved diagnostic accuracy of PE .

结论：CTPA的成像质量主要受扫描技术及图像后处理技术的影响，合理应用成像技术可进一步提高PE诊断准确率。

Ventilation-perfusion ( V / Q ) scanning and CT pulmonary angiography ( CTPA ) were common diagnostic techniques for PTE.

核素肺通气/灌注扫描和CT肺动脉造影是诊断PTE最常用的技术。

Q / V showed a large acute PE in 4 patients before therapy , but 1 patient for CTPA , and they all received thrombolysis .

治疗前肺Q/V提示大面积肺栓塞的4例急性PE患者行溶栓治疗，1例CTPA提示大面积肺栓塞的急性PE患者行溶栓治疗；

The optimum selection of diagnosing pulmonary embolism is based on CTPA + Doppler ultrasonography on the veins of lower extremity refer to minimum mortality and maximum potency ratio .

根据最小死亡率和最大效价比，肺栓塞的诊断以CTPA+下肢静脉多普勒超声检查为诊断的最优选择。

Conclusions : CTPA while accurate diagnosis of pulmonary embolism directly , can diagnose whether patients with pulmonary embolism associated with right ventricle dilatation and right ventricle dysfunction through the imaging .

结论：CTPA在对肺动脉栓塞做出准确诊断的同时，可以通过影像学表现来判定肺栓塞患者是否伴有右心室扩大及右心功能不全。

Objective : To investigate CT and MRI features of pulmonary embolism and improve diagnosing value of CTPA and MRPA through analysis and comparison the CTPA and MRPA signs .

目的：通过对肺动脉栓塞的CT与MRI征象的分析和比较，探讨肺动脉栓塞的CTPA与MRPA的特征性表现，提高肺栓塞的CTPA与MRPA诊断应用价值。

Methods Thin collimation multi-detector spiral CT pulmonary angiography ( CTPA ) and CT venography ( CTV ) were preformed in 21 patients suspected of acute PE .

方法对临床怀疑急性PE的21例患者采用多排螺旋CT行薄层肺动脉造影（CTPA）及间接法深静脉造影（CTV）。

Of 519 patients with pulmonary V / Q ima - ging , 773 scans were compared with the findings of spiral CT pulmonary arteriography ( CTPA ) .

对519例急性PTE患者均进行了肺V/Q显像，其中有773例次与CT肺动脉造影（CTPA）结果进行了对比分析。

Objective To evaluate the diagnostic value of subsecond spiral CT pulmonary angiography ( CTPA ) in detecting the small pulmonary thrombi ( diameter 2.5 ~ 3.5 mm ) in canine models .

目的评价螺旋CT肺动脉造影（spiralCTpulmonaryangiography，CTPA）诊断犬肺小动脉血栓栓子（直径25～35mm）的应用价值。

To assess the diagnostic value of CTPA in the diagnosis of rabbit 's peripheral PE , small branches of pulmonary arteries , and its ability of displaying for the hypo-perfusion parenchyma area .

阐述家兔急性周围型PE的CT表现及肺实质改变征象的病理学基础，评估CTPA对肺动脉较小分支PE的诊断价值及其显示肺栓塞低灌注区的能力。

Objective : To investigate the influential factors on imaging quality of computed tomography on pulmonary angiography ( CTPA ) using 16-slice spiral CT in order to help improve diagnostic accuracy of pulmonary embolism ( PE ) .

目的：探讨16层螺旋CT肺动脉造影（CTPA）成像质量的影响因素，为进一步提高肺动脉栓塞（PE）诊断质量提供帮助。

Objective To evaluate the detection ability of segmental and subsegmental pulmonary arteries with subsecond spiral CT pulmonary angiography ( CTPA ) and analyse the variability of inter observer agreement to read the films .

目的评价亚秒级螺旋CT血管造影检测段与亚段肺动脉的能力及分析不同观察者间评阅图像的变异程度。

The diagnosis of PTE depends on examinations like V / Q scan , CTPA , cardiac and lower limb Dopler ultrasound , etc. D-dimer did not show noticeable diagnositic indication in these patients .

肺栓塞的确诊有赖于V／Q扫描、CTPA、心脏及下肢多普勒超声等检查，D-二聚体在本组患者中的提示价值不大。

Purpose To assess the overall diagnostic value of different imaging methods involving computed tomography pulmonary angiography ( CTPA ) and ventilation-perfusion ( V / Q ) scan with the gold standard of pulmonary angiography in diagnosing pulmonary embolism ( PE ) .

目的以肺动脉造影为金标准，评价CT血管造影（CTPA）和肺通气灌注扫描（V/Q扫描）对肺栓塞的临床诊断价值。

Objective To observe spiral CT pulmonary angiography ( CTPA ) signs of pulmonary embolism ( PE ) and the evolution of PE , to evaluate CTPA in differentiating acute PE ( aPE ) with chronic PE ( cPE ) .

目的观察肺动脉栓塞（PE）的螺旋CT肺动脉造影（CTPA）征象及其演变，探讨CTPA区分急、慢性PE的价值。