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논문 기본 정보

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학술저널
저자정보
Florian A. Schmid (Department of Urology University Hospital Zurich University of Zurich) Ryszard S. Gomolka (Institute of Diagnostic and Interventional Radiology University Hospital Zurich University of Zuri) Andreas M. Hotker (Institute of Diagnostic and Interventional Radiology University Hospital Zurich University of Zuri) Andreas Boss (Institute of Diagnostic and Interventional Radiology University Hospital Zurich University of Zuri) Thomas M. Kessler (Department of Neuro-Urology Balgrist University Hospital University of Zurich) Cristina Rossi (Institute of Diagnostic and Interventional Radiology University Hospital Zurich University of Zuri) Daniel Eberli (Department of Urology University Hospital Zurich University of Zurich)
저널정보
대한배뇨장애요실금학회 International Neurourology Journal International Neurourology Journal 제24권 제4호
발행연도
2020.1
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349 - 357 (9page)

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Purpose: This study aimed to assess the feasibility of a rapid diffusion tensor imaging (DTI) for evaluation of the female urinary sphincter function based on differentiation between rest and muscle contraction. Methods: Magnetic resonance imaging (MRI) of the lower pelvis was performed at 3 Tesla in 10 healthy female volunteers (21?36 years; body mass index, 20.8±3.6 kg/m2 ) between June and July 2019. High-resolution T1- and T2-weighted images were acquired for anatomical reference, and following DTI performed in 4 experiment phases: twice during rest (denoted rest- 1, rest-2) and contraction (contraction-1, contraction-2). Manual segmentation of the urinary sphincter and the levator ani muscles were performed by 2 independent readers. Mean diffusivity (MD) and fractional anisotropy (FA) values derived from DTI volumes were compared in search for significant differences between the experiment phases. Interreader agreement was assessed by intraclass correlation coefficient (ICC). Results: Kruskal-Wallis test showed significant differences between MD values among all the experiment phases, by both independent readers (1st: X2 [3,76]=17.16, P<0.001 and 2nd: X2 [3,76]=15.88, P<0.01). Post hoc analysis revealed differences in MD values by both readers between: rest-1 vs. contraction-1 (least P<0.05), rest-1 vs. contraction-2 (P<0.01), rest-2 vs. contraction-1 (P<0.03), rest-2 vs. contraction-2 (P=0.02) with overall mean ‘rest’ to ‘contraction’ ΔMD=20.6%. No MD or FA differences were found between rest-1 vs. rest-2 and contraction-1 vs. contraction-2 among all the experiment phases, and interreader agreement was ICC=0.85 (MD) and ICC=0.79 (FA). Conclusions: Rapid DTI might prospectively act as a supporting tool for the evaluation of female pelvic floor muscle function, and incontinence assessment.
#Magnetic resonance imaging #Diffusion tensor imaging #Urinary incontinence #Pelvic floor function #Contraction

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참고문헌 (28)

참고문헌 신청
Minassian VA / 2008 / Urinary incontinence in women : variation in prevalence estimates and risk factors / Obstet Gynecol 111(2 Pt 1):324~331 google schola Irwin DE / 2011 / Worldwide prevalence estimates of lower urinary tract symptoms, overactive bladder, urinary incontinence and bladder outlet obstruction / BJU Int 108:1132~1138 google schola Osman NI / 2016 / Evaluation and classification of stress urinary incontinence : current concepts and future directions / Eur Urol Focus 2:238~244 google schola Lukacz ES / 2017 / Urinary incontinence in women : a review / JAMA 318:1592~1604 google schola Rovner ES / 2004 / Treatment options for stress urinary incontinence / Rev Urol 6(Suppl 3):S29~S47 google schola

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