Articolul precedent |
Articolul urmator |
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Ultima descărcare din IBN: 2021-05-22 19:17 |
SM ISO690:2012 ROTARU, Mihai, ŞCERBATIUC-CONDUR, Corina, CASIAN, Dumitru, CULIUC, Vasile, SMOLNIŢCHI, Roman, IVANOV, Vladimir. Performanța diagnostică a ultrasonografiei duplex în patologia arterială a membrelor inferioare. In: Congresul consacrat aniversării a 75-a de la fondarea Universității de Stat de Medicină şi Farmacie „Nicolae Testemiţanu”, 21-23 octombrie 2020, Chişinău. Chişinău: USMF, 2020, p. 442. |
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Congresul consacrat aniversării a 75-a de la fondarea Universității de Stat de Medicină şi Farmacie „Nicolae Testemiţanu” 2020 | ||||||
Congresul "Congresul consacrat aniversării a 75-a de la fondarea Universității de Stat de Medicină şi Farmacie „Nicolae Testemiţanu”" Chişinău, Moldova, 21-23 octombrie 2020 | ||||||
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Pag. 442-442 | ||||||
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Background. Duplex ultrasound (DU) is widely used non-invasive method for primary diagnosis of peripheral arterial disease (PAD). However, the digital subtraction angiography (DSA) still remains the gold standard method for planning of revascularization procedures. Objective of the study. The study aim was the comparison of diagnostic performance of DU versus DSA in the preoperative assessment of the occlusive-stenotic arterial lesions of lower limbs. Material and Methods. The protocols of DU and DSA were retrospectively compared in 49 patients (52 lower limbs) with PAD. Sensibility (Se), specificity (Sp), area under curve (AUC), positive (PPV) and negative (NPV) predictive values were calculated for DU using DSA as a reference. Agreement between methods in grading lesion severity (stenosis 0-49%, stenosis 50-99%, occlusion) was evaluated by Cohen’s kappa. Results. Totally 175 arterial segments were evaluated. Overall diagnostic performance of DU was low (Se=60.5%, Sp=50%, AUC=0.57), with the significant discrepancy between PPV=91.3% and NPV=12.6%. DU was sufficiently informative in evaluation of femoral-popliteal segment (Se=75.4%, Sp=60%, AUC=0.73, PPV=95.8%, NPV=16.6%); less informative in aorto-iliac (Se=42.8%, Sp=75%, AUC=0.59, PPV=75%, NPV=42.8%) and non-informative in infra-popliteal (Se=51.6%, Sp=33.3%, AUC=0.42, PPV=88.4%, NPV=6.5%) segments. Kappa statistics demonstrated substantial agreement (k=0.59) between DU and DSA in femoral-popliteal segment, moderate (k=0.51) – in aorto-iliac and low (k=0.08) – in infra-popliteal segment. Conclusion. DU is informative in detection of femoral-popliteal occlusivestenotic arterial lesions. DU can not be recommended as a sole method for revascularization planning due to its low negative predictive value and insufficient agreement with DSA, especially in evaluation of distal run-off. |
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Cuvinte-cheie diagnostic accuracy, duplex ultrasound, angiography, precizie diagnostică, ultrasonografie duplex, angiografie |
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