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Nishiwaki T, Kawase K, Nishino Y, Matsuoka K, Ihara T, Makabe S, Tanji R, Harigane Y, Ishida K, Tamaki M, Hoshino H, Yuhara K, Yamada T, Miwa K, Kikuchi M, Tomioka M, Taniguchi T, Kawase M, Iinuma K, Tobisawa Y, Nakane K, Kojima Y, Mitsui T, Koie T. Prediction of nocturnal polyuria in patients with nocturia based on voiding frequency. Int Urol Nephrol 2025:10.1007/s11255-025-04402-8. [PMID: 39956876 DOI: 10.1007/s11255-025-04402-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2024] [Accepted: 01/27/2025] [Indexed: 02/18/2025]
Abstract
PURPOSE To examine daytime voiding patterns in patients with nocturnal polyuria (NP) and identify a novel predictive indicator based on voiding frequency ratios. METHODS A retrospective analysis of 875 patients with nocturia from 17 Japanese institutions (January 2018-December 2022) was conducted. Patients were divided into two groups based on the nocturnal polyuria index (NPi) > 33% (NP) or ≤ 33% (non-NP). Daytime and nighttime voiding frequencies and volumes were collected from bladder diaries. The correlation between the NPi and voiding parameters was assessed using Spearman's rank correlation. Receiver operating characteristic (ROC) curve analysis was performed to evaluate the predictive ability of the nighttime-to-24-h voiding frequency ratio for NP. RESULTS Patients with NP urinated significantly less frequently and produced more urine during the day than those without NP (p < 0.001). The ratio of nocturnal to 24-h voiding frequency showed a significant positive correlation with NPi (r = 0.38, p < 0.001) and was the strongest predictor of NP. ROC curve analysis showed that this ratio could predict NP, with an area under the curve (AUC) of 0.79. A cutoff value of 0.23 yielded 75% sensitivity and 68% specificity for predicting NP. CONCLUSIONS This study demonstrates that patients with NP exhibit significantly reduced daytime voiding frequency and urine volume compared with those without NP. The nighttime-to-24-h voiding is useful for roughly predicting NP at the time of the initial consultation and has the potential to become more practical and accurate with further accumulation of data and research.
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Affiliation(s)
- Teppei Nishiwaki
- Department of Urology, Graduate School Of Medicine, Gifu University, 1-1, Yanagido, Gifu, Gifu, 501-1194, Japan
| | - Kota Kawase
- Department of Urology, Graduate School Of Medicine, Gifu University, 1-1, Yanagido, Gifu, Gifu, 501-1194, Japan.
| | | | - Kanako Matsuoka
- Department of Urology, Fukushima Medical University, 1 Hikariga-Oka, Fukushima, 960-1295, Japan
| | - Tatsuya Ihara
- Department of Urology, University of Yamanashi Graduate School of Medical Sciences, 1110 Shimokato, Chuo, Yamanashi, 409-3898, Japan
| | - Shunta Makabe
- Department of Urology, Ohara General Hospital, 6-1 Uwamachi, Fukushima, Fukushima, 960-8611, Japan
| | - Ryo Tanji
- Department of Urology, Japanese Red Cross Fukushima Hospital, 7-7 Yashimacho, Fukushima, Fukushima, 960-8530, Japan
| | - Yuki Harigane
- Department of Urology, Ohata Nishinouchi Hospital, 2-5-20, Nishinouchi, Koriyama, Fukushima, 963-8558, Japan
| | - Kenichiro Ishida
- Department of Urology, Gifu Prefectural General Medical Center, 4-6-1 Noishiki, Gifu, Gifu, 500-8717, Japan
| | - Masayoshi Tamaki
- Department of Urology, Gifu Municipal Hospital, 7-1 Kashimacho, Gifu, Gifu, 500-8513, Japan
| | - Hiroki Hoshino
- Department of Urology, Ogaki Municipal Hospital, 4-86 Minaminokawacho, Ogaki, Gifu, 503-8502, Japan
| | - Kazuya Yuhara
- Department of Urology, Japanese Red Cross Takayama Hospital, 3-11 Tenmacho, Takayama, Gifu, 506-8550, Japan
| | - Toru Yamada
- Department of Urology, Tokai Central Hospital, 4-6-2 Soharahigashijimacho, Kagamihara, Gifu, 504-8601, Japan
| | - Kousei Miwa
- Department of Urology, Japanese Red Cross Gifu Hospital, 3-36 Iwakuracho, Gifu, Gifu, 502-8511, Japan
| | - Mina Kikuchi
- Sugo Clinic, 1-10-16 Sugo, Gifu, Gifu, 502-0914, Japan
| | - Masayuki Tomioka
- Department of Urology, Graduate School Of Medicine, Gifu University, 1-1, Yanagido, Gifu, Gifu, 501-1194, Japan
| | - Tomoki Taniguchi
- Department of Urology, Graduate School Of Medicine, Gifu University, 1-1, Yanagido, Gifu, Gifu, 501-1194, Japan
| | - Makoto Kawase
- Department of Urology, Graduate School Of Medicine, Gifu University, 1-1, Yanagido, Gifu, Gifu, 501-1194, Japan
| | - Koji Iinuma
- Department of Urology, Graduate School Of Medicine, Gifu University, 1-1, Yanagido, Gifu, Gifu, 501-1194, Japan
| | - Yuki Tobisawa
- Department of Urology, Graduate School Of Medicine, Gifu University, 1-1, Yanagido, Gifu, Gifu, 501-1194, Japan
| | - Keita Nakane
- Department of Urology, Graduate School Of Medicine, Gifu University, 1-1, Yanagido, Gifu, Gifu, 501-1194, Japan
| | - Yoshiyuki Kojima
- Department of Urology, Fukushima Medical University, 1 Hikariga-Oka, Fukushima, 960-1295, Japan
| | - Takahiko Mitsui
- Department of Urology, University of Yamanashi Graduate School of Medical Sciences, 1110 Shimokato, Chuo, Yamanashi, 409-3898, Japan
| | - Takuya Koie
- Department of Urology, Graduate School Of Medicine, Gifu University, 1-1, Yanagido, Gifu, Gifu, 501-1194, Japan
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Zhang F, Xu J, Sun C, Dai F, Zhu Q, Liang H. A Scientometric Visualization Analysis for Benign Prostatic Hyperplasia from 2016 to 2022. Urol Int 2023; 107:111-125. [PMID: 36549286 PMCID: PMC9945200 DOI: 10.1159/000527792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Accepted: 09/12/2022] [Indexed: 12/24/2022]
Abstract
BACKGROUND Benign prostatic hyperplasia (BPH) is a common urological disorder leading to dysuria in middle-aged and elderly men and significantly reduces the quality of life of patients. Technology for BPH has made a great progress, while there is still a lack of visual and summary literature to make the summary. SUMMARY The aims of the study were to identify the cooperation of authors, countries, institutions, and explore hot topics' prospects regarding research of BPH. Relevant original articles were obtained from the Web of Science (WoS) database between 2016 and 2022. CiteSpace software was used to perform the analysis and visualization of scientific productivity and emerging trends. KEY MESSAGES A total of 4,738 articles related to study of BPH were identified. We observed a gradual increase in the number of publications from 2016 to 2022. The USA dominated the field in all countries. Shanghai Jiao Tong University was the most productive institution in 6 years. Active cooperation between countries and between institutions was not observed. Journal of Urology was the most co-cited journal. Roehrborn CG (41 papers) was the most productive author and had the largest numbers of citations (820 co-citations) during the past 6 years. Close collaboration was not observed between the different authors. The main hot topics included matters related to BPH, urinary tract symptom, prostatic urethral lift, thermal therapy, and prostatic neoplasms. This scientometric study comprehensively reviewed publications related to BPH during the past 6 years using quantitative and qualitative methods, which can be used to forecast future research developments in BPH.
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Affiliation(s)
- Fulin Zhang
- Department of Urology, People's Hospital of Longhua, Southern Medical University, Shenzhen, China
| | - Jinbin Xu
- The First Clinical College of Guangzhou Medical University, Guangzhou, China
| | - Ciming Sun
- The First Clinical College of Guangzhou Medical University, Guangzhou, China
| | - Fuyang Dai
- The First Clinical College of Guangzhou Medical University, Guangzhou, China
| | - Qin Zhu
- The First Clinical College of Guangzhou Medical University, Guangzhou, China
| | - Hui Liang
- Department of Urology, People's Hospital of Longhua, Southern Medical University, Shenzhen, China,*Hui Liang,
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