Helical CT angiography compared with arteriography in the detection of renal artery stenosis.

Beregi, Jean‐Paul; Elkohen, M; Deklunder, G.; Artaud, D; Coullet, Jean-Michel; Wattinne, L

doi:10.2214/ajr.167.2.8686635

Cited by 125 publications

(42 citation statements)

References 14 publications

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“…Duplex ultrasound scans can obtain images of the renal arteries and measure the velocity of flow and wave pressure, but there is a 10%-20% failure rate due to operator inexperience, patient obesity and/or the presence of intestinal gas 34 . Angio-MRIs and angio-CTs are effective to evaluate renal and aortic circulation but do not enable adequate visualization of distal segments and small accessory arteries 35,36 ( fig. 2).…”

Section: Discussionmentioning

confidence: 99%

Prevalência de estenose das artérias renais em 1.656 pacientes que realizaram cateterismo cardíaco

Tumelero¹,

Duda²,

Tognon³

et al. 2006

Arq. Bras. Cardiol.

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OBJECTIVETo determine the prevalence of renal artery stenosis (RAS) in patients who have undergone cineangiocoronariography. METHODSProspective study of cineangiocoronariography and aortography examinations conducted between January 2002 and February 2004 on 1,656 hypertensive and normotensive patients who underwent the examinations to confirm the diagnosis of obstructive coronary artery disease or valve disease. RESULTSThe average age of the 1,656 patients was 61.6 ± 11.8 years. Eight hundred and ninety-one (53.8%) were male, 169 (10.2%) were diabetic and 1,054 (63.8%) presented obstructive coronary artery disease. Renal stenosis greater than 50% was observed in 228 (13.8%) patients, and 25 (1.5%) had bilateral stenosis. Obstructive coronary artery disease was defined as stenosis greater than or equal to 50% of the vessel lumen, in one, two or three main arteries, classified as single, double or triple vessels, respectively. Quantification was conducted using visual analysis of the angiography. Comparison of the revealed significant statistical differences in relation to gender, age, diabetes mellitus, blood pressure and left ventricular function. However, no statistical difference was noted in relation to the occurrence of coronary relation to blood pressure, coronary artery obstructions in the renal artery obstruction group. M a i l i n g A d d r e s s : R o g é r i o T a d e u T u m e l e r o CONCLUSIONThe prevalence of RAS found in our study was comparable to that reported by major medical literature case studies. RAS is associated with systemic hypertension (SH), endstage renal disease (ESRD) and its sequelae, emphasizing how important it is that we are aware of possible candidates for angiographic diagnosis of this disease. KEY WORDSRenal artery stenosis, atherosclerosis, end-stage kidney disease, systemic hypertension, angiography with contrast medium.

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Section: Discussionmentioning

confidence: 99%

Prevalência de estenose das artérias renais em 1.656 pacientes que realizaram cateterismo cardíaco

Tumelero¹,

Duda²,

Tognon³

et al. 2006

Arq. Bras. Cardiol.

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“…Computed tomographic angiography has a sensitivity and specificity for detecting significant RAS of 59% to 96% and 82% to 99%, respectively, compared with catheter-based contrast angiography (703)(704)(705)(706)(707)(708)(709). Current multidetector-row scanners acquire up to 16 simultaneous interweaving helices; 32-and 64-row and flat-panel scanners are in development.…”

Section: Computed Tomographic Angiographymentioning

confidence: 99%

ACC/AHA 2005 Practice Guidelines for the Management of Patients With Peripheral Arterial Disease (Lower Extremity, Renal, Mesenteric, and Abdominal Aortic)

Hirsch

Haskal²,

Hertzer³

et al. 2006

Circulation

2,994

1,111

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“…[6] Willmann ve arkadaşları [13] hemodinamik olarak anlamlı arteriyel darlıklarda BTA'nın duyarlılı-ğını %91 ve özgüllüğünü %99 olarak saptamışlardır. Ayrıca Beregi ve arkadaşlarının [14] yaptığı çalışmada sadece ana renal arterlerdeki daralma hesaba katıldı-ğında, duyarlılık %100 özgüllük %98 olarak bildirilmiştir.…”

Section: Bulgularunclassified

Comparing Computed Tomography Angiography with Color Doppler Ultrasound Findings at Renovascular Hypertension Clinic Preliminary Diagnosed Cases

Işık¹,

Barut²,

Çekiç³

et al. 2011

Istanbul Tip Derg

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ÖZET Amaç:Renal arter darlığı (RAD) tanısında bilgisayarlı tomografik anjiyografi (BTA) ile renkli Doppler ultrasonografi (RDUS) bulgularını karşılaştırmayı ve RDUS ölçütle-rinin etkinliğini araştırmayı amaçladık. Gereç ve Yöntem: Çalışmamıza Ekim 2007-Mayıs 2010tarihleri arasında renovasküler hipertansiyon (RVH) ön tanısı ile BTA ve RDUS istemi ile başvuran 19'u erkek 13'ü kadın toplam 32 olgu çalışmaya alındı. Olgular renal arterlerinde BTA'da %50 ve üzerinde darlık ile %50 altında darlık olmak üzere iki gruba ayrıldı ve RDUS'nin distal ve proksimal ölçütleri değerlendirildi. Bulgular:Çalışmaya katılan olguların 62 renal arterinin %83,9'unda BTA ile %50'den daha az, %16,1'inde %50 ve üzerinde darlık tespit edildi. RDUS ölçütleri değerlen-dirildiğinde duyarlılık, özgüllük, pozitif ve negatif kestirim değerleri sırasıyla pik sistolik hız (PSH) için eşik değer 180 cm/s kabul edildiğinde %80, %94,2, %72,7 ve %96,1, renoaortik oran (RAO) eşik değer 2,5 kabul edildiğinde %66,6, %94,1, %66,6 ve %94,1 akselarasyon zamanı (AT) (>120 ms) ve akselarasyon indeksi (Aİ) (<3 m/s 2 ) birlikte değerlendirildiğinde %60, %61,5, %23,1 ve %88,9 olarak bulundu.Sonuç: RAD tanısında RDUS ölçütlerinden renal arterde hız artışı ve RAO'nun istatistiksel olarak anlamlı olduğu bulundu (p<0,01). RDUS incelemede ana RAD'yi göstermede en başarılı ölçüt PSH (>180 cm/s) olarak belirlendi. AT ve Aİ için ana renal arterlerdeki darlığı belirlemede tanı değeri istatistiksel olarak anlamlı bulunmamıştır (p>0,05). RDUS'nin yetersiz kaldığı olgularda renovasküler patolojileri göstermek için başvurulacak ikinci yöntemin BTA olduğunu düşünmekteyiz.Anahtar sözcükler: Bilgisayarlı tomografik anjiyografi; renal arter darlığı; renkli Doppler ultrasonografi. SUMMARY Objectives: Our aim in this study was to evaluate two methods used in the diagnosis of renal artery stenosis (RAS): color Doppler ultrasound (CDUS), which is non-invasive and easy to use, and computerized tomography (CT)-angiography (CTA).We also evaluated the efficiency of Doppler parameters. Methods: We included patients who were clinically diagnosed for renal-vascular disease (RVD) in our Clinic from October 2007 to May 2010 and studied them with CDUS and CTA. According to renal CTA, patients were divided into two groups as having >50% or <50% of stenosis in the renal artery (RA).We then evaluated the distal and proximal criteria of CDUS. 80%, 94.2%, 72.7%, and 96.1%, respectively. Considering Renal Aortic Ratio (RAR) threshold value of 2.5, these values were 66.6%, 94.1%, 66.6%, and 94.1%, respectively, and Results

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Helical CT angiography compared with arteriography in the detection of renal artery stenosis.

Cited by 125 publications

References 14 publications

Prevalência de estenose das artérias renais em 1.656 pacientes que realizaram cateterismo cardíaco

Prevalência de estenose das artérias renais em 1.656 pacientes que realizaram cateterismo cardíaco

ACC/AHA 2005 Practice Guidelines for the Management of Patients With Peripheral Arterial Disease (Lower Extremity, Renal, Mesenteric, and Abdominal Aortic)

Comparing Computed Tomography Angiography with Color Doppler Ultrasound Findings at Renovascular Hypertension Clinic Preliminary Diagnosed Cases

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