angiography

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angiography

[‚an·jē′äg·rə·fē]
(medicine)
Roentgenographic visualization of blood vessels following injection of a radiopaque material.
References in periodicals archive ?
Pulmonary embolism in pregnant patients: a survey of practices and policies for CT pulmonary angiography.
Reduced z-axis technique for CT Pulmonary angiography in pregnancy- validation for practical use and dose reduction.
Combined CT pulmonary angiography and CT venography permits comprehensive assessment for pulmonary embolism and deep venous thrombosis, and serves as a road map for therapy, although the reported yield of CT venography has decreased substantially in recent years as CTPA has been increasingly utilized/over-utilized, and CTV is not routinely performed in conjunction with CTPA at most institutions/practices, although there is still evidence to support its use, especially in high-risk patients.
Thromboembolic disease detection at indirect CT venography versus CT pulmonary angiography.
5 CT pulmonary angiography has become a first-line diagnostic modality in patients suspected of having PE6.
Amongst patients with respiratory deterioration being referred for CT pulmonary angiography >24 hours after ICU admission, only seven out of 113 scans (6%) were positive for pulmonary emboli.
Our preliminary data suggest that an externally applied custom-designed tungsten-antimony composite shield can potentially reduce the dose incurred during CT pulmonary angiography by 43-73%.
CT pulmonary angiography aids diagnosis and management of patients with complex thoracic and cardiopulmonary disease.
Does addition of CT pelvic venography to CT pulmonary angiography protocols contribute to the diagnosis of pulmonary thromboembolic disease?
Studies that compared single-detector spiral CT pulmonary angiography with V/Q scanning showed that CT was a more accurate examination with higher specificity, particularly in those patients with underlying cardiopulmonary disease in whom the vast majority (90% in the PIOPED 1 study) have indeterminate V/Q scan results.
CT pulmonary angiography for the detection of pulmonary embolism: Interobserver agreement between on-call radiology residents and specialists (CTPA interobserver agreement).