Abstract
Proximal venous outflow obstruction (PVOO) in the abdomen and pelvis is increasingly recognized as an important contributor to venous disease of the lower extremity. There are currently no guidelines regarding a noninvasive screening tool for PVOO, although magnetic resonance venography (MRV) is commonly used in many practices. The objective of this study was to determine the value and utility of MRV in diagnosis and screening for PVOO. This retrospective study consisted of 46 consecutive patients, all of whom presented with signs and/or symptoms of PVOO and were evaluated with MRV followed by intravascular ultrasound (IVUS) and venography. Of these 46 patients suspected to have PVOO based on clinical evaluation, 24 patients had PVOO confirmed with IVUS and venography and PVOO was not observed on IVUS and venography in the remaining 22 patients. The MRV of these 46 patients was retrospectively reviewed in a blinded fashion and then correlated with IVUS and venography by 1 vascular surgeon. A scoring system was developed to define the types of radiography findings that were observed: normal, suspicious, and abnormal. When compared with IVUS and multiplane venography, the interpretation of MRV had a sensitivity of 100% and a spec...Continue Reading
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Citations
Jan 26, 2017·Vascular·Lena BlomgrenStefan Rosfors
Jan 3, 2021·Journal of Vascular Surgery. Venous and Lymphatic Disorders·Afsha AurshinaCassius Iyad Ochoa Chaar
Aug 23, 2020·Journal of Vascular Surgery. Venous and Lymphatic Disorders·Cüneyt KöksoyMuzaffer Akkoca
May 10, 2021·Journal of Vascular Surgery. Venous and Lymphatic Disorders·Taimur Saleem, Seshadri Raju
Jul 23, 2021·Jornal Vascular Brasileiro·Fabio Henrique RossiAntônio Massamitsu Kambara