Impact of bladder neck angle measured by postoperative magnetic resonance imaging on mid-term recovery of urinary continence in prostate cancer patients undergoing robot-assisted radical prostatectomy

伊藤, 寿樹

doi:https://doi.org/10.1089/end.2021.0071

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Impact of bladder neck angle measured by postoperative magnetic resonance imaging on mid-term recovery of urinary continence in prostate cancer patients undergoing robot-assisted radical prostatectomy

http://hdl.handle.net/10271/00004208

名前 / ファイル	ライセンス	アクション
論文本文 (1.2 MB)

Item type

学位論文 / Thesis or Dissertation(1)

公開日

2022-11-28

タイトル

Impact of bladder neck angle measured by postoperative magnetic resonance imaging on mid-term recovery of urinary continence in prostate cancer patients undergoing robot-assisted radical prostatectomy

言語

eng

キーワード

主題

Prostate cancer

キーワード

主題

Robot-assisted radical prostatectomy

キーワード

主題

Urinary continence

キーワード

主題

Magnetic resonance imaging

資源タイプ

資源タイプ識別子

http://purl.org/coar/resource_type/c_db06

資源タイプ

doctoral thesis

アクセス権

open access

アクセス権URI

http://purl.org/coar/access_right/c_abf2

その他のタイトル

ロボット支援根治的前立腺全摘除術を施行された前立腺癌患者において術後磁気共鳴画像法で計測される膀胱頸部角が中期尿禁制回復に与える影響

その他のタイトル

bladder neck angle and incontinece after RARP

著者

伊藤, 寿樹

書誌情報

en : Journal of Endourology

巻 35, 号 11, p. 1610-1615, 発行日 2021-11-19

出版者

Mary Ann Liebert

言語

権利

言語

権利情報

This is the accepted version of the following article: Journal of Endourology; 35(11), p1610-1615, 2021, which has now been formally published in final form at "Journal of Endourology" at https://doi.org/10.1089/end.2021.0071. This original submission version of the article may be used for non-commercial purposes in accordance with the Mary Ann Liebert, Inc., publishers’ self-archiving terms and conditions.

抄録

内容記述タイプ

Abstract

内容記述

Introduction: Magnetic resonance imaging (MRI) has helped clarify the relationship between pelvic anatomical structures and functional outcomes after robot-assisted radical prostatectomy (RARP). The objective of this study was to assess the impact of the bladder neck angle (BNA) measured by postoperative MRI on mid-term recovery of urinary continence (UC) in patients undergoing RARP.
Methods: This study retrospectively included 200 consecutive patients with prostate cancer who were treated by RARP and received MRI 3 months after RARP. Based on postoperative MRI, the BNA was measured as the angle between the anterior and posterior bladder walls. The mid-term recovery of UC was defined as the use of either no pad or an occasional security pad at 6 months after RARP.
Results: 144 of the 200 patients (72.0%) achieved mid-term recovery of UC and the median BNA was 70°. There were no significant differences in several parameters, including age, body mass index, total prostate volume, preservation of the neurovascular bundle, and postoperative membranous urethral length (MUL), between patients with BNA ≥70° and <70°. Of these parameters, only the BNA and postoperative MUL were independently associated with the mid-term recovery of UC. The optimal cutoff points of the BNA and MUL (65° and 9 mm, respectively) were calculated by the receiver operating characteristics curve, and a scoring model for the prediction of mid-term recovery of UC was developed according to the logistic regression analysis. This scoring model was demonstrated to be satisfactorily calibrated (p for Hosmer-Lemeshow test=0.49) and provide good discrimination (area under the curve: 0.723; p<0.001).
Conclusions: These findings suggest that mid-term recovery of UC after RARP is favorably affected by the large BNA and long postoperative MUL, and our scoring model can be used as a reliable tool for predicting the midterm continence status after RARP.

言語

学位名

博士（医学）

学位の区分

内容記述

doctoral

学位の分野

内容記述

医学系研究科

学位授与機関

学位授与機関識別子Scheme

kakenhi

学位授与機関識別子

13802

学位授与機関名

浜松医科大学

学位授与年月日

2021-12-17

学位授与番号

乙第584号

ISSN

収録物識別子タイプ

PISSN

収録物識別子

0892-7790

EISSN

収録物識別子タイプ

EISSN

収録物識別子

1557-900X

PubMed番号

識別子タイプ

PMID

Versions

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2023-06-20 16:18:06.443089

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Impact of bladder neck angle measured by postoperative magnetic resonance imaging on mid-term recovery of urinary continence in prostate cancer patients undergoing robot-assisted radical prostatectomy

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