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KMID : 0980120200180030051
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Annals of Phlebology
2020 Volume.18 No. 3 p.51 ~ p.54
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Body Mass Index of Patients with Nutcracker Syndrome
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Byun Eun-Ae
Kim Hyang-Kyoung
Park Seung-Hee
Han Young-Jin
Kwon Tae-Won
Cho Yong-Pil
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Abstract
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Objective: Low body mass index (BMI) is a risk factor for nutcracker syndrome (NCS). We evaluated the BMI and symptoms of patients having NCS.
Methods: This was a retrospective study of patients who were diagnosed with NCS between 2010 and 2015. The diagnosis was based on computed tomography, ultrasound, magnetic resonance venography, or intravascular ultrasonography findings. The BMI of these patients was compared with the BMI of an equal number of controls selected from our departmental database and matched for sex and age.
Results: A total of 30 patients were included in this study. There were 22 female patients (73.3%) and 8 males (26.7%) with a median age of 38.5 years (interquartile range [IQR], 26.75∼56.25 years). The median age of female patients was 42.0 years (IQR, 32.75∼57 years) and that of male patients was 25.5 years (IQR, 19.25∼48.75 years). The mean BMI was 20.2±2.7 kg/m2 (range, 13.6∼25.1 kg/m2 ). The mean BMI of female patients was 20.5±2.7 kg/m2 and that of male patients was 19.7±3.0 kg/m2 (p=.482). The mean BMI of the matched cohort was 22.08±3.5 kg/m2 (p=.022). The most common symptom was gross hematuria (18 patients, 60.0%). The other symptoms included abdominal pain (17, 56.7%), flank pain (9, 30.0%), pelvic symptoms including heaviness, fullness, and dysuria (6, 20.0%), and back pain (1, 3.3%).
Conclusion: The BMI of patients with NCS was significantly lower than that of the controls. NCS was more common in women, and the most common symptom was gross hematuria.
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KEYWORD
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Nutcracker syndrome, Renal vein entrapment, Body mass index, Hematuria, Renal vein entrapment
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