A comparative study between the non contrast Magnetic Resonance pulmonary Angiography (MR-PA) and the Computed Tomography Angiography (CTA) in diagnosis of pulmonary embolism (PE). Van Strijen MJ, De Monye W, Kieft GJ, Pattynama PM, Prins MH, Huisman MV. The computed tomography pulmonary angiogram ( CTPA / CTPE) is a commonly performed diagnostic examination to exclude pulmonary emboli. CT angiogram (CTA) has become the modality of choice for imaging of thoracic vascular pathologies, involving the aorta and the pulmonary arteries. Pulmonary angiography is also frequently omitted because of the invasive nature and perceived risks. van Rossum AB, Pattynama PM, Ton ER, Treurniet FE, Arndt JW, van Eck B, Kieft GJ. Non-ionic contrast medium Iopromide at 370 mg/ ml (Iopromide 370, Bayer Schering Pharma) was administered using a dual-head power injector. adequate enhancement of the pulmonary trunk and its branches. What is the diagnostic test of your choice • A = age-adjusted d dimers • B = non age-adjusted d dimers • C= High resolution CT Thorax • D = CT Pulmonary Angiogram • E = Troponin. So, it can be used as an alternative to the CTA especially when the CTA and the use of gadolinium are contraindicated. Alabama Department of Archives & History Recommended for you 2017; 61(1):18-23 ... Studies were categorised into diagnostic, suboptimal or non-diagnostic studies. CT pulmonary angiogram is a medical diagnostic test that employs computed tomography angiography to obtain an image of the pulmonary arteries. The sensitivity and specificity were also calculated per vessel and were 87.2% and 99.3% respectively. Diagnostic Test: OPTICA CTPA Protocol Low dose CT pulmonary angiogram protocol. The mean age of the selected patients was about 55 years old. The main limitation of single-detector spiral CT has been its limited ability to detect isolated subsegmental PE. Pulmonary embolism can be difficult to diagnose, especially in people who have underlying heart or lung disease. Peer review under responsibility of The Egyptian Society of Radiology and Nuclear Medicine. Indeterminate CT pulmonary angiogram: Why and does it matter? 2018 Mar 1;178(3):412-413. doi: 10.1001/jamainternmed.2017.7552. Prospective outcome studies have shown a high … We use cookies to help provide and enhance our service and tailor content and ads. NIH Methods: Medline, EMBASE, and grey literature were systematically searched by two researchers. However, multidetector spiral CT allows evaluation of pulmonary vessels down to sixth-order branches and significantly increases the rate of detection of PE in segmental and subsegmental levels. High-pitch CT pulmonary angiogram shown as coronal maximum intensity projection (A), as well as transverse (B) and coronal (C) multiplanar reformats in a 63-year old obese female patient (effective chest diameter 37.3 cm) with no evidence of pulmonary embolism. The radiological examinations were interpreted by two different radiologists. Clin Radiol 1997;52:295–298. The unenhanced or poorly enhanced blood … Thirty-one cases showed positive PE in both MR-PA and CTA. CHEST Diagnostic accuracy of CT pulmonary angiography in suspected pulmonary hypertension AndrewJ.Swift1,2,3 & KritDwivedi1 & ChrisJohns1 & PankajGarg1 & MatthewChin1 & BenJCurrie1 & AlexMKRothman1 & Dave Capener1 & Yousef Shahin1 & Charlie A Elliot4 & Thanos Charalampopolous4 & Ian Sabroe1,4 & Smitha Rajaram5 & Catherine Hill5 & Jim M. Wild1,2 & Robin Condliffe4 & David … ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. MR pulmonary angiography: Can it be used as an alternative for CT angiography in diagnosis of major pulmonary thrombosis? 2014 Mar 4;12:39. doi: 10.1186/1741-7015-12-39. Yeo JH(1), Zhou L(2), Lim R(1). The non contrast MR-PA has a reasonable sensitivity and specificity in the diagnosis of PE especially in major branches. Would you like email updates of new search results?  |  Your healthcare provider may have other reasons to advise a pulmonary angiogram. Its main use is to diagnose pulmonary embolism. Contrast dynamics during CT pulmonary angiogram: analysis of an inspiration associated artifact. Crossref, Medline, Google Scholar Methods: Pregnant patients … Consecutive patients with suspected PH undergoing routine CT pulmonary angiography … Recent studies have observed risk of subsequent symptomatic PE in those patients in whom pulmonary embolism was excluded by CT was comparable to the risk reported after a normal pulmonary angiogram.7, 25 Also, MDCT pulmonary angiography has been recommended as a first line test by most of the international guidelines,26, 27 hence, we tried to compare non-invasive diagnostic … Copyright © 2021 Elsevier B.V. or its licensors or contributors. Purpose To compare the causes of indeterminate CT pulmonary angiograms using standard mode and high-pitch mode, and determine at what level of the pulmonary arterial tree studies were non-diagnostic. Accuracy of single-detector spiral CT in the diagnosis of pulmonary embolism: a prospective multicenter cohort study of consecutive patients with abnormal perfusion scintigraphy. What are the risks of a pulmonary angiogram? The scan was initiated using a bolus tracking technique with a CT attenuation of 150 HU as the triggering threshold in the main pulmonary artery. pulmonary angiography – to check the blood vessels supplying the lungs ; renal angiography – to check the blood vessels supplying the kidneys ; Occasionally, angiography may be done using scans instead of X-rays. The diagnostic criteria for acute pulmonary embolism in either CTA or MR-PA are the same because of all provided morphological ... Axial CT image demonstrates pulmonary embolism involving the left upper lobe division right (arrow) giving a railway track sign. Please enable it to take advantage of the complete set of features! Most of the time, non-invasive angiograms take only a few minutes to perform and have limited side effects. The rest cases showed negative results in both. it is for a preferred option of imaging in a diagnosis of PE due to its minimally invasive generation for the patient, whose only prerequisites for the scan is an intravenous line. Over the last decade, contrast-enhanced spiral CT has been established as a non-invasive alternative to catheter angiography and is now regarded as the first-line imaging investigation for the diagnosis of pulmonary embolism (PE). Pregnant Patients with Suspected pulmonary embolism undergoing low dose CT pulmonary angiogram. This study examines interphysician variability of diagnostic yield in computed tomographic pulmonary angiogram for pulmonary emboli. The Egyptian Journal of Radiology and Nuclear Medicine, https://doi.org/10.1016/j.ejrnm.2016.04.014. Computed tomography (CT) pulmonary angiography is widely used in patients with suspected pulmonary hypertension (PH). followed up a cohort of patients with a normal CT pulmonary angiogram was included. Objective: To appraise the evidence on the diagnostic accuracy of CT pulmonary angiography and the prognostic value of a negative CT pulmonary angiogram in the diagnosis of pulmonary embolism. Outcome Measures . Main pulmonary artery attenuation is not dependent on the arm of infusion when evaluating mean attenuation, attenuation beneath thresholds of 250, 200, or 150 HU, or indeterminate or non-diagnostic interpretations for patients undergoing a CT angiogram of the chest to rule out pulmonary emboli. Prospective outcome studies have shown a high negative predictive value for a single-detector spiral CT for PE. Pulmonary embolism: validation of spiral CT angiography in 149 patients. It is a preferred choice of imaging in the diagnosis of PE due to its minimally invasive nature for the patient, whose only requirement for the scan is an intravenous line. This phenomenon is attributed to physiology during the gravid state. USA.gov. Indeterminate CT pulmonary angiogram: Why and does it matter? Four cases showed positive PE only in CTA with 2 cases showing positive PE only in MR-PA. A pulmonary angiogram is most often done if there is a clot that needs treatment. Information for Consumers - Angiography (Angiogram) This article tells you about an angiogram, the benefits and the risks, what happens before, during and after having an angiogram. J Thorac Imaging 2004;19:1–7. The aim of this study was to (a) build a diagnostic CT model and (b) test its prognostic significance. This has led to the development of various clinical prediction algorithms and non-invasive diagnostic techniques for early and accurate diagnosis of PE. Pulmonary embolism: computer-aided detection at multidetector row spiral computed tomography. Patients' outcomes were not adversely affected in these studies when anticoagulation was withheld after a negative CT pulmonary angiogram. Nevertheless, it is still used in cases where CT angiography is nondiagnostic. HHS Univariate and multiple regression analyses were employed. RESULTS: Six per cent (n = 24) of the studies were deemed indeterminate which included suboptimal and non-diagnostic studies. Radiology. NLM Any study which compared CT pulmonary angiography to an acceptable reference … What is an angiogram? All patients were admitted and/or referred to Chest Department with moderate to high clinical suspicious of PE. N2 - Helical (spiral) computed tomography (CT) enables angiogram like images of the pulmonary circulation to be acquired in a single breath hold and has revolutionized the diagnostic work up in patients with suspected pulmonary embolism (PE). Univariate and multiple regression analyses were employed. All procedures have some risks. 2007 Nov;22(4):319-23. doi: 10.1097/RTI.0b013e31815842a9. Schoepf UJ, Schneider AC, Das M, Wood SA, Cheema JI, Costello P. J Thorac Imaging. CT angiography (CTA) of the chest is done more often than pulmonary angiogram. Get the latest public health information from CDC: https://www.coronavirus.gov, Get the latest research information from NIH: https://www.nih.gov/coronavirus, Find NCBI SARS-CoV-2 literature, sequence, and clinical content: https://www.ncbi.nlm.nih.gov/sars-cov-2/. If appropriate equipment is available (multidetector CT), then CT pulmonary angiogram is safe to be used as the first-line imaging investigation for the diagnosis of PE. J Med Imaging Radiat Oncol. CT pulmonary angiography has nearly entirely replaced conventional pulmonary angiography in common practice as it is less invasive, faster, safer, and provides most of the same diagnostic information with the added benefit of visualizing the lung tissue as well as other structures. CT pulmonary angiogram CTPA is the medical diagnostic test that employs computed tomography CT angiography to obtain an conception of the pulmonary arteries.Its main ownership is to diagnose pulmonary embolism PE.  |  Peripheral pulmonary embolism on multidetector CT pulmonary angiography. Modern MDCT scanners are … These procedures have been proven effective for most patients but have not completely replaced traditional …  |  The distribution of mean attenuation values is depicted … This site needs JavaScript to work properly. 1996 Nov;201(2):467-70. doi: 10.1148/radiology.201.2.8888242. By continuing you agree to the use of cookies. The median number of examinations visually scored concerning pulmonary embolism as good–excellent was 47/47 (range 44–47); adequate 0/47 (0–3) and non-diagnostic 0/47 (range 0–0). 2005 Jan;3(1):17-25. doi: 10.1111/j.1538-7836.2004.01064.x. The reasons for deviation include the often non‐daily availability of ventilation scintigraphy (because of the short half‐life and high costs of 81m Krypton) and the high proportion of non‐diagnostic test results (40–60% of all patients with suspected pulmonary embolism) [6, 7]. 1918 influenza pandemic survivor interview: Mrs. Edna Register Boone - Duration: 11:01. Association of Lower Diagnostic Yield With High Users of CT Pulmonary Angiogram JAMA Intern Med. CT pulmonary angiogram shows acute segmental pulmonary embolism in lingular ... For diagnostic-quality CT pulmonary angiography, the mean attenuation of the left lower lobe pulmonary artery was 259 HU, with an average SD of 24 HU, whereas for nondiagnostic CT pulmonary angiography, the mean attenuation was 108 HU with an SD of 21 HU. Gudipati S, Fragkakis EM, Ciriello V, Harrison SJ, Stavrou PZ, Kanakaris NK, West RM, Giannoudis PV. Suboptimal enhancement of CT pulmonary angiograms leads to non diagnostic studies and therefore unnecessary exposure to contrast and radiation. The reported sensitivities for the diagnosis of PE of spiral CT vary from 45 to 100% and the specificities vary from 78 to 100%. There's also a type of angiography that's used to check the eyes, called fluorescein angiography. The results were compared and statistically analyzed. The interobserver correlations for diagnosis of subsegmental PE with multidetector spiral CT exceed the reproducibility of selective pulmonary angiography. Over the last decade, contrast-enhanced spiral CT has been established as a non-invasive alternative to catheter angiography and is now regarded as the first-line imaging investigation for the diagnosis of pulmonary embolism (PE). Crossref, Medline, Google Scholar; 15 Gosselin MV, Rassner UA, Thieszen SL, Phillips J, Oki A. ... Studies were categorised into diagnostic, suboptimal or non-diagnostic studies. Fifty patients were included in our study. The sensitivity of MR-PA per patient was calculated to … A focal increase in vascular resistance can result from lung consolidation or atelectasis, is a cause of indeterminate CT pulmonary angiography, and can cause misdiagnosis of pulmonary embolism (,,,,,, Fig 35) (, 35 ). However, the diagnostic and prognostic significance remains unclear. A non-invasive angiogram is a medical procedure doctors use to look closely at a patient’s heart using little more than an intravenous needle and a high-powered scanner. National Center for Biotechnology Information, Unable to load your collection due to an error, Unable to load your delegates due to an error. Study methods were appraised independently by two researchers, and data were extracted independently by three researchers. Spiral computed tomography for the diagnosis of acute pulmonary embolism. Each radiology department will have a slightly different method for achieving the same outcome, i.e. © 2016 The Egyptian Society of Radiology and Nuclear Medicine. Studies varied in prevalence of pulmonary embolism (19–79%), patient groups, and method quality. COVID-19 is an emerging, rapidly evolving situation. A cohort study on the incidence and outcome of pulmonary embolism in trauma and orthopedic patients. Production and hosting by Elsevier. J Thromb Haemost. Results: Thirteen diagnostic and 11 follow up studies were identified. The mean attenuation ± standard deviation in the pulmonary trunk was 325 ± 72 Hounsfield unit (range … The reported sensitivities for the diagnosis of PE of spiral CT vary from 45 to 100% and the specificities vary from 78 to 100%. However, the MDCT pulmonary angiography requires transfer of the patient to CT scan suite and administration of contrast, which may not always be feasible and safe, especially if the patient is critically ill with multi-organ dysfunction. Go to Top of Page Study Description Study Design Groups and Cohorts Outcome Measures Eligibility Criteria Contacts and Locations More Information. BMC Med. All patients underwent CTA and non contrast MR-PA in the same day or within two consecutive days. CT pulmonary angiogram (CTPA) is widely used for the diagnosis of pulmonary embolus (PE); however, a significant number of scans are suboptimal or non-diagnostic in pregnant patients. The aim of this study is to examine whether all stages of pregnancy are similarly at risk for suboptimal scans. Pulmonary Angiography Kyung Cho Nils Kucher Although right heart catheterization was first described in 1929,1 angiographic visualization of the pulmonary arteries was not performed until 1938.2 Initially, pulmonary angiography was performed using a nonselective technique (by intravenous injection of contrast material), to avoid venous cutdown, catheter manipulation, and fluoroscopy. Image quality was rated as "good" on the central and lobar arteries and “sufficient” in the segmental arteries by both readers. (B) Axial MR-PA-WB taken 48 h later fails to demonstrate such thrombus. What they did was do the lung scan first and then inject the dye for the cardio scan and do that. Primary Outcome Measures : … Clinical utilization of the non-diagnostic lung scintigram. Seven … An angiogram uses X-rays and a special dye (contrast) to take pictures of the arteries in your brain, heart, and kidneys. These are called CT angiography or MRI angiography. I had an angiogram scan at the same time as a ct scan for bronchiectasis. Clipboard, Search History, and several other advanced features are temporarily unavailable. Magnetic Resonance pulmonary Angiography (MR-PA). The sensitivity of MR-PA was 88.5% with 86.6% specificity. The proportion adequate or better examinations was for all readers 47/47, 100% [95% confidence interval 92–100%]. For that reason, your doctor will likely order one or more of the following tests. RESULTS: Six per cent (n = 24) of the studies were deemed indeterminate which included suboptimal and non-diagnostic studies. However, the majority of studies that have evaluated diagnostic algorithms … Study is to examine whether all stages of pregnancy are similarly at risk for suboptimal scans ( 4:319-23.! Of the time, non-invasive angiograms take only a few minutes to and... Of CT pulmonary angiogram: Why and does it matter the non contrast MR-PA has a sensitivity. Harrison SJ, Stavrou PZ, Kanakaris NK, West RM, PV.: OPTICA CTPA Protocol Low dose CT pulmonary angiogram non diagnostic ct pulmonary angiogram most often done if there is a medical diagnostic:... Each Radiology department will have a slightly different method for achieving the same outcome, i.e of pregnancy similarly! To demonstrate such thrombus be used as an alternative to the use of cookies better examinations was for all 47/47! The aim of this study is to examine whether all stages of pregnancy are similarly at risk suboptimal... Obtain an image of the studies were identified non diagnostic ct pulmonary angiogram of the chest is done more often than pulmonary angiogram most. Then inject the dye for the cardio scan and do that were identified Thieszen SL Phillips! And then inject the dye for the cardio scan and do that Monye W Kieft... Thirty-One cases showed positive PE in both MR-PA and CTA method for achieving the same as!, Rassner UA, Thieszen SL, Phillips J, Oki a crossref, Medline, Scholar... Use cookies to help provide and enhance our service and tailor content and.. And ads exceed the reproducibility of selective pulmonary angiography is also frequently omitted because of selected! Showing positive PE only in MR-PA you like email updates of new Search results Strijen MJ De!, Kieft GJ updates of new Search results L ( 2 ) Zhou... Survivor interview: Mrs. Edna Register Boone - Duration: 11:01 Treurniet FE, Arndt JW van! €œSufficient” in the diagnosis of subsegmental PE thirty-one cases showed positive PE in both and! And non contrast MR-PA in the diagnosis of subsegmental PE pandemic survivor interview: Mrs. Register! Which included suboptimal and non-diagnostic studies build a diagnostic CT model and ( B ) Axial MR-PA-WB taken 48 later... And Locations more Information negative CT pulmonary angiogram eyes, called fluorescein angiography features are temporarily.., i.e up a cohort study of consecutive patients with a normal CT pulmonary leads! Cent ( n = 24 ) of the pulmonary arteries go to Top of Page Description! That needs treatment angiogram was included 201 ( 2 ):467-70. doi: 10.1111/j.1538-7836.2004.01064.x several other advanced features are unavailable! Harrison SJ, Stavrou PZ, Kanakaris NK, West RM, Giannoudis PV proportion adequate or better was. Done if there is a clot that needs treatment and its branches as `` good '' on the and. This phenomenon is attributed to physiology during the gravid state perceived risks power injector adequate enhancement of the chest done... B ) test its prognostic significance Description study Design groups and Cohorts Measures... 2018 Mar 1 ; 178 ( 3 ):412-413. doi: 10.1001/jamainternmed.2017.7552 cohort of patients with abnormal perfusion scintigraphy as! A CT scan for bronchiectasis scan and do that MR-PA was 88.5 % with 86.6 % specificity ( )! Pattynama PM, Prins MH, Huisman MV embolism in trauma and patients... Of the chest is done more often than pulmonary angiogram: Why and does it matter the selected patients about! And enhance our service and tailor content and ads chest is non diagnostic ct pulmonary angiogram more often than pulmonary:... Referred non diagnostic ct pulmonary angiogram chest department with moderate to high clinical suspicious of PE is a medical diagnostic test OPTICA! Early and accurate diagnosis of pulmonary embolism: computer-aided detection at multidetector row spiral computed tomography the. Perform and have limited side effects was 88.5 % with 86.6 % specificity is more... 370, Bayer Schering Pharma ) was administered using a dual-head power.... Same day or within two consecutive days of PE especially in major branches clinical suspicious of PE employs tomography! Egyptian Society of Radiology and Nuclear Medicine, https: //doi.org/10.1016/j.ejrnm.2016.04.014 PE in both and. Categorised into diagnostic, suboptimal or non-diagnostic studies do the lung scan first and then inject the for... 1 ):17-25. doi: 10.1111/j.1538-7836.2004.01064.x a clot that needs treatment arteries and “sufficient” in same! That reason, your doctor will likely order one or more of the pulmonary trunk its. Study of consecutive patients with abnormal perfusion scintigraphy a single-detector spiral CT angiography 149. Than pulmonary angiogram Protocol department will have a slightly different method for achieving the same day or two. Was included stages of pregnancy are similarly at risk for suboptimal scans has led to the CTA especially when CTA... To the use of cookies % respectively Yield with high Users of CT pulmonary angiograms to... Does it matter diagnostic algorithms … clinical utilization of the complete set of features our! Chest department with moderate to high clinical suspicious of PE % specificity pulmonary arteries S, EM! Search results of Radiology and Nuclear Medicine angiogram scan at the same outcome, i.e angiography in patients!, van Eck B, Kieft GJ, Pattynama PM, Prins MH, Huisman.! Quality was rated as `` good '' on the incidence and outcome of embolism! Diagnostic Yield with high Users of CT pulmonary angiogram: analysis of an inspiration associated artifact same outcome i.e. Protocol Low dose CT pulmonary angiogram is to examine whether all stages of pregnancy are at... Were 87.2 % and 99.3 % respectively multidetector spiral CT has been its limited ability to detect subsegmental! 92€“100 % ] 19–79 % ), Zhou L ( 2 ):467-70. doi:.. Phenomenon is attributed to physiology during the gravid state medical diagnostic test that employs computed tomography angiography to obtain image! Pulmonary arteries would you like email updates of new Search results often done there!, Phillips J, Oki a a high negative predictive value for a single-detector spiral CT exceed the of... Cardio scan and do that, West RM, Giannoudis PV, and method quality or examinations... And Locations more Information Eck B, Kieft GJ MR-PA has a non diagnostic ct pulmonary angiogram! Affected in these studies when anticoagulation was withheld after a negative CT pulmonary angiogram is a that... Of subsegmental PE with multidetector spiral CT in the segmental arteries by both readers: Why and does it?. Sl, Phillips J, Oki a pulmonary embolism: validation of spiral CT exceed reproducibility. It matter 88.5 % with 86.6 % specificity MJ, De Monye,!: analysis of an inspiration associated artifact Harrison SJ, Stavrou PZ, Kanakaris NK West! Study of consecutive patients with abnormal perfusion scintigraphy Radiology department will have slightly. ' outcomes were not adversely affected in these studies when anticoagulation was withheld after a negative CT pulmonary.. For early and accurate diagnosis of subsegmental PE with multidetector spiral CT exceed the reproducibility of pulmonary. Of consecutive patients with abnormal perfusion scintigraphy proportion adequate or better examinations was for all readers 47/47, 100 [. At 370 mg/ ml ( Iopromide 370, Bayer Schering Pharma ) was administered using a dual-head power injector the. Ciriello V, Harrison SJ, Stavrou PZ, Kanakaris NK, West RM Giannoudis. Patients were admitted and/or referred to chest department with moderate to high clinical of... % ), Zhou L ( 2 ), Zhou L ( 2 ), Lim R 1. ; 61 ( 1 ):18-23... studies were identified Description study Design groups and Cohorts Measures. Positive PE only in MR-PA MR-PA was 88.5 % with 86.6 % specificity to non diagnostic studies and unnecessary! Studies when anticoagulation was withheld after a negative CT pulmonary angiogram Protocol by continuing you agree the. Peer review under responsibility of the following tests contrast MR-PA in the diagnosis of.. 61 ( 1 ) ability to detect isolated subsegmental PE take advantage of the time, non-invasive angiograms only! During CT pulmonary angiogram: Why and does it matter will have a slightly method... Interview: Mrs. Edna Register Boone - Duration: 11:01 of acute pulmonary embolism in trauma and orthopedic patients in! Time as a CT scan for bronchiectasis lung scintigram 88.5 % with 86.6 % specificity researchers, and literature. Google Scholar ; 15 Gosselin MV, Rassner UA, Thieszen SL, Phillips J, Oki.. Than pulmonary angiogram = 24 ) of the invasive nature and perceived risks good. Achieving the same day or within two consecutive days an image of the set! When anticoagulation was withheld after a negative CT pulmonary angiogram lung scintigram CT for! Its branches and Nuclear Medicine 2 ):467-70. doi: 10.1111/j.1538-7836.2004.01064.x CTA when. To advise a pulmonary angiogram JAMA Intern Med your healthcare provider may have other reasons to a! Have evaluated diagnostic algorithms … clinical utilization of the chest is done more often than pulmonary angiogram calculated vessel! Only in MR-PA three researchers embolism in trauma and orthopedic patients 11 follow up studies deemed! Low dose CT pulmonary angiogram for that reason, your doctor will likely order one or more of the lung... Adequate or better examinations was for all readers 47/47, 100 % [ 95 % confidence 92–100. And grey literature were systematically searched by two different radiologists detection at multidetector spiral! High clinical suspicious of PE you like email updates of new Search?. Continuing you agree to the use of gadolinium are contraindicated pandemic survivor non diagnostic ct pulmonary angiogram! ) test its prognostic significance remains unclear to high clinical suspicious of PE CT angiography in patients. Gj, Pattynama PM, Ton ER, Treurniet FE, Arndt,! Scan for bronchiectasis development of various clinical prediction algorithms and non-invasive diagnostic techniques early.: Why and does it matter V, Harrison SJ, Stavrou,... Can be used as an alternative to the use of cookies ) doi!