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Comparative Study
Journal Article
Diagnosing of pelvic vein incompetence using minimally invasive ultrasound techniques.
Vascular 2017 June
Background Pelvic vein incompetence is a cause for pelvic pain and recurrent varicose veins in women. The gold standard diagnostic method is reflux venography involving radiation, nephrotoxic contrast and jugular puncture. Trans-vaginal ultrasound (TVU) is increasingly being used as a diagnostic tool for pelvic vein incompetence. Methods Fifty women with clinical suspicion of pelvic vein incompetence and aged between 18 and 55 years were recruited prospectively over two years at a large UK University Teaching Hospital. Trans-vaginal ultrasound was performed using a standardised protocol which included assessment of the ovarian and internal iliac veins bilaterally in the supine and semi-standing position with provocative manoeuvres. Diagnostic readability and inter-observer variability was determined. Results Mean (range) age of 43 (23-51). Visibility of all four pelvic veins was better in the supine position compared with semi-standing position (76% vs 64%). Pelvic vein incompetence was identified in 34 of 50 (68%) women in the supine position compared with 38 of 50 (76%) women in the semi-standing position. Pelvic vein incompetence was demonstrated in 35 of 50 (70%) women with Valsalva manoeuvre. Inter-observer variability was 0.84 (kappa, very good agreement, p = 0.001). Conclusion Trans-vaginal ultrasound is effective at demonstrating pelvic vein incompetence. All trans-vaginal ultrasound protocols should include assessment of pelvic veins in the supine and semi-standing position with Valsalva manoeuvre.
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