Journal of Vascular Surgery: Venous and Lymphatic Disorders
Clinical research studyVenous laboratoryCorrelation of venous symptoms with iliac vein stenosis on magnetic resonance imaging
Section snippets
Study population
A retrospective review of consecutive adult patients who had undergone MRI of the abdomen and/or pelvis at Yale New Haven Hospital for various indications from 2012 to 2016 was conducted. Patients aged ≤18 years and those with MRI showing positive oncologic findings in the abdomen and/or pelvis, metastatic cancer, or inferior vena cava atresia or congenital absence of the inferior vena cava were excluded. The institutional review board approved the present study and determined that only
Patient population
A total of 254 patients were identified who had undergone MRI of the abdomen and/or pelvis during the study period. Of the 254 patients, 134 were excluded from the present study because of an inability to conduct the telephone survey. Of these 134 patients, 12 had died, 21 had opted out, 9 did not speak English sufficiently, and 92 we could not reach by telephone. Thus, 120 patients were included in the present study. Their mean age was 53 ± 14 years. Of the 120 patients, most were women (79%)
Discussion
The present study has demonstrated the prevalence of iliac vein stenosis in consecutive patients who had undergone MRI of the pelvis for various indications at a single center. The prevalence of iliac vein stenosis of ≥50% was 41% on the left and 17% on the right. However, no correlation was found between the presence of venous symptoms and the degree of iliac vein stenosis using either the EMR findings or the telephone survey results. Approximately 32% of patients with venous disease were
Conclusions
In our study, iliac vein compression of ≥50% was more common on the left and was encountered in ≤40% of patients who had undergone MRI of the pelvis. We found that venous symptoms were underreported in the EMRs and that up to one third of patients with venous insufficiency might not have had that condition noted in the EMRs. We found no correlation in our study between the presence of iliac vein stenosis and the occurrence of ipsilateral venous symptoms. Therefore, iliac vein stenosis, per se,
Author contributions
Conception and design: AA, SH, RA, COC
Analysis and interpretation: AA, YD, AD, COC
Data collection: AA, NN
Writing the article: AA, COC
Critical revision of the article: AA, SH, YD, RA, NN, AD, COC
Final approval of the article: AA, SH, YD, RA, NN, AD, COC
Statistical analysis: SH
Obtained funding: Not applicable
Overall responsibility: COC
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Author conflict of interest: none.
Additional material for this article may be found online at www.jvsvenous.org.
The editors and reviewers of this article have no relevant financial relationships to disclose per the Journal policy that requires reviewers to decline review of any manuscript for which they may have a conflict of interest.