International Neurourology Journal最新文献

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Diminished Motivation for Voluntary Exercise and Metabolic Dysfunction in Psychiatric Disorders: A Behavioral Perspective on Autism Spectrum Disorder and Depression. 精神疾病中自愿运动和代谢功能障碍的动机减弱:自闭症谱系障碍和抑郁症的行为视角。
IF 2.1 3区 医学
International Neurourology Journal Pub Date : 2025-07-01 Epub Date: 2025-07-31 DOI: 10.5213/inj.2550134.067
Dong-Joo Hwang, Kyeong-Ri Kim, Tae-Kyung Kim
{"title":"Diminished Motivation for Voluntary Exercise and Metabolic Dysfunction in Psychiatric Disorders: A Behavioral Perspective on Autism Spectrum Disorder and Depression.","authors":"Dong-Joo Hwang, Kyeong-Ri Kim, Tae-Kyung Kim","doi":"10.5213/inj.2550134.067","DOIUrl":"10.5213/inj.2550134.067","url":null,"abstract":"<p><strong>Purpose: </strong>This study investigated spontaneous locomotor activity and metabolic phenotype in animal models of autism spectrum disorder (ASD) and major depressive disorder (MDD), with a focus on motivation to engage in voluntary exercise.</p><p><strong>Methods: </strong>Spontaneous locomotion, voluntary wheel running, and metabolic phenotypes were assessed in Shank3B-knockout mice (ASD model) and stress-susceptible mice exposed to chronic restraint stress (CRSTSUS, MDD model) using indirect calorimetry and behavioral tests.</p><p><strong>Results: </strong>Shank3B-knockout mice exhibited self-injurious repetitive behaviors resulting in skin lesions, while CRSTSUS mice showed behavioral despair indicative of stress vulnerability, along with a marked reduction in spontaneous locomotor activity and decreased motivation for voluntary exercise. Metabolic dysregulation was evident, including alterations in oxygen consumption, carbon dioxide production, respiratory exchange ratio, and energy expenditure.</p><p><strong>Conclusion: </strong>Behavioral and metabolic alterations in psychiatric disorders are closely linked, with reduced motivation for exercise emerging as a salient phenotypic signature. These findings highlight the need for targeted interventions that restore intrinsic motivation and energy balance. Future research should focus on elucidating the underlying mechanisms and developing therapies to enhance physical activity engagement in psychiatric conditions.</p>","PeriodicalId":14466,"journal":{"name":"International Neurourology Journal","volume":"29 Suppl 1","pages":"S3-S12"},"PeriodicalIF":2.1,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12341351/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144799018","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Combined Effects of Exercise and Vitamin D on Neuroinflammation, Blood-Brain Barrier Integrity, Oxidative Stress, and Cognitive Function in Nonpathological Mice. 运动和维生素D对非病理小鼠神经炎症、血脑屏障完整性、氧化应激和认知功能的联合影响
IF 2.1 3区 医学
International Neurourology Journal Pub Date : 2025-07-01 Epub Date: 2025-07-31 DOI: 10.5213/inj.2550140.070
Taewan Kim, Donghyun Kim, Yoonhwan Kim, Jeonghyeon Kim, Seamon Kang, Jinkyung Cho
{"title":"Combined Effects of Exercise and Vitamin D on Neuroinflammation, Blood-Brain Barrier Integrity, Oxidative Stress, and Cognitive Function in Nonpathological Mice.","authors":"Taewan Kim, Donghyun Kim, Yoonhwan Kim, Jeonghyeon Kim, Seamon Kang, Jinkyung Cho","doi":"10.5213/inj.2550140.070","DOIUrl":"10.5213/inj.2550140.070","url":null,"abstract":"<p><strong>Purpose: </strong>This study investigated whether the combined application of treadmill exercise and vitamin D injections exerts neuroprotective effects in nonpathological mice by enhancing cognitive function, regulating immune responses, preserving blood-brain barrier (BBB) integrity, and improving mitochondrial efficiency.</p><p><strong>Methods: </strong>Forty male C57BL/6 mice were randomly assigned to control, exercise (EX), vitamin D (VD), or combined treatment (EXVD) groups. After 20 weeks of intervention, behavioral, molecular, and cellular analyses were performed to assess cognitive function, immune responses, BBB integrity, oxidative stress, and mitochondrial efficiency.</p><p><strong>Results: </strong>The EXVD group demonstrated superior spatial learning and memory compared to the other groups. Vitamin D treatment significantly increased plasma interleukin-10 and tight junction protein levels, while exercise alone elevated hippocampal tumor necrosis factor-α. Combined treatment reduced astrocyte activation, maintained BBB integrity, and improved mitochondrial respiratory efficiency without increasing oxidative stress. Expression of antioxidant enzymes was decreased in the VD and EXVD groups, indicating improved redox balance.</p><p><strong>Conclusion: </strong>Treadmill exercise and vitamin D injections confer neuroprotective effects in nonpathological mice by enhancing cognition, reducing neuroinflammation, and improving both BBB integrity and mitochondrial function. These findings highlight the potential of nonpharmacological strategies to support brain health even in the absence of disease.</p>","PeriodicalId":14466,"journal":{"name":"International Neurourology Journal","volume":"29 Suppl 1","pages":"S22-S34"},"PeriodicalIF":2.1,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12341349/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144799017","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Neurovascular Restoration by Treadmill Exercise Attenuates Age-Related Cognitive Decline in Mice. 通过跑步机运动恢复神经血管可减轻小鼠与年龄相关的认知衰退。
IF 2.1 3区 医学
International Neurourology Journal Pub Date : 2025-07-01 Epub Date: 2025-07-31 DOI: 10.5213/inj.2550118.059
Jae Min Lee, Da-Eun Sung, You Jung Choi, Seung Geun Yeo, Youn-Jung Kim
{"title":"Neurovascular Restoration by Treadmill Exercise Attenuates Age-Related Cognitive Decline in Mice.","authors":"Jae Min Lee, Da-Eun Sung, You Jung Choi, Seung Geun Yeo, Youn-Jung Kim","doi":"10.5213/inj.2550118.059","DOIUrl":"10.5213/inj.2550118.059","url":null,"abstract":"<p><strong>Purpose: </strong>Aging is associated with various physiological changes. These include microvascular dysfunction, which impairs cerebral blood flow and neuronal health, leading to cognitive impairment. Although exercise has demonstrated beneficial effects on aging, its specific impact on age-related microvascular dysfunction and blood-brain barrier (BBB) disruption requires further investigation. This study aimed to evaluate whether an 8-week treadmill exercise regimen in aged mice could improve cognitive impairment by alleviating microvascular and BBB damage and reducing neuroinflammation.</p><p><strong>Methods: </strong>Twenty-month-old C57BL/6J male mice engaged in a treadmill exercise program for 60 minutes daily over 8 weeks. Cognitive function was assessed using the passive avoidance test. Microvascular integrity was evaluated by measuring microvessel length and fragmentation in the cortex using platelet endothelial cell adhesion molecule-1 as a marker. Activation of microglia and astrocytes was determined by analyzing the expression of ionized calcium-binding adapter molecule 1 and glial fibrillary acidic protein through immunohistochemistry and immunofluorescence. BBB integrity was assessed by examining the expression levels of tight junction proteins, including zonula occludens-1, occludin, claudin-9, and platelet-derived growth factor receptor beta (PDGFRβ), in the cortex via immunostaining and western blotting.</p><p><strong>Results: </strong>Treadmill exercise significantly improved cognitive function, as indicated by increased latency time in the passive avoidance test. Exercise intervention also increased microvessel length and decreased microvessel fragmentation in the cortex. Additionally, treadmill exercise reduced the activation of microglia and astrocytes, thereby decreasing neuroinflammatory responses. Furthermore, treadmill exercise preserved BBB integrity by maintaining the expression of tight junction proteins and PDGFRβ, counteracting age-related declines.</p><p><strong>Conclusion: </strong>The findings suggest that regular treadmill exercise mitigates cognitive impairment and vascular dysfunction associated with aging by improving microvascular health and BBB integrity. These results highlight the potential of exercise intervention as a non-pharmacological strategy for treating age-related neurodegenerative diseases by preserving vascular and BBB structures and reducing neuroinflammation.</p>","PeriodicalId":14466,"journal":{"name":"International Neurourology Journal","volume":"29 Suppl 1","pages":"S13-S21"},"PeriodicalIF":2.1,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12341348/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144799072","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High-Intensity Aerobic Exercise Prevents Angiotensin II-Induced Muscle Atrophy. 高强度有氧运动预防血管紧张素ii诱导的肌肉萎缩。
IF 2.1 3区 医学
International Neurourology Journal Pub Date : 2025-07-01 Epub Date: 2025-07-31 DOI: 10.5213/inj.2550150.075
Jong-Hwa Won, Ying-Ying Xiang, Kyung-Wan Baek, Min-Jeong Kang, Ji-Seok Kim
{"title":"High-Intensity Aerobic Exercise Prevents Angiotensin II-Induced Muscle Atrophy.","authors":"Jong-Hwa Won, Ying-Ying Xiang, Kyung-Wan Baek, Min-Jeong Kang, Ji-Seok Kim","doi":"10.5213/inj.2550150.075","DOIUrl":"10.5213/inj.2550150.075","url":null,"abstract":"<p><strong>Purpose: </strong>Angiotensin II (Ang II) is widely recognized as a primary factor in the development of hypertension; however, recent research also implicates it in skeletal muscle damage and atrophy. The precise mechanisms by which Ang II impacts muscle morphology and the molecular pathways related to atrophy remain unclear. Moreover, the potential protective effects of aerobic exercise against Ang II-induced muscle alterations have not been fully elucidated. This study aimed to investigate the effects of Ang II on skeletal muscle structure and atrophy-related molecular markers and to assess whether aerobic exercise can confer protective effects against these changes in an Ang II-induced animal model.</p><p><strong>Methods: </strong>Six-week-old mice (n =48) were divided into 4 groups: (1) control (CON, n =12), (2) Ang II (n =12), (3) Ang II plus low-intensity exercise (Ang II+LIE, n=12), and (4) Ang II plus high-intensity exercise (Ang II+HIE, n=12). Ang II was administered subcutaneously once daily for 4 weeks (1.4 mg/kg/day in phosphate-buffered saline, pH 7.2). The Ang II+LIE and Ang II+HIE groups received daily Ang II injections along with their respective exercise protocols for 4 weeks.</p><p><strong>Results: </strong>The protein expression of inflammatory factors was significantly reduced in the Ang II+HIE group compared to the Ang II group (P < 0.05). Furthermore, the expression of muscle protein synthesis markers, including insulin-like growth factor 1, AKT, mammalian target of rapamycin, and S6K1, was significantly higher in the exercise groups than in the Ang II group (P<0.05). Notably, the expression of autophagy-related factors was also significantly elevated in the Ang II+HIE group compared to the Ang II group (P < 0.05).</p><p><strong>Conclusion: </strong>Ang II-induced muscle atrophy was attenuated by aerobic exercise.</p>","PeriodicalId":14466,"journal":{"name":"International Neurourology Journal","volume":"29 Suppl 1","pages":"S44-S52"},"PeriodicalIF":2.1,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12341352/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144799019","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Aerobic Exercise Attenuates Obesity-Associated Vascular Dysfunction via Restoration of Perivascular Adipose Tissue Homeostasis in Mice. 有氧运动通过恢复小鼠血管周围脂肪组织稳态减轻肥胖相关的血管功能障碍。
IF 2.1 3区 医学
International Neurourology Journal Pub Date : 2025-07-01 Epub Date: 2025-07-31 DOI: 10.5213/inj.2550142.071
Meng Li, Wei Li, Yaxiong Zheng, Wooyeon Jo, Soyoon Lee, Seyeon Jang, Minseo Kim, Hyung Min Kim, Gil-Saeng Jeong, Kee K Kim, Sang Ki Lee
{"title":"Aerobic Exercise Attenuates Obesity-Associated Vascular Dysfunction via Restoration of Perivascular Adipose Tissue Homeostasis in Mice.","authors":"Meng Li, Wei Li, Yaxiong Zheng, Wooyeon Jo, Soyoon Lee, Seyeon Jang, Minseo Kim, Hyung Min Kim, Gil-Saeng Jeong, Kee K Kim, Sang Ki Lee","doi":"10.5213/inj.2550142.071","DOIUrl":"10.5213/inj.2550142.071","url":null,"abstract":"<p><strong>Purpose: </strong>Perivascular adipose tissue (PVAT) dysfunction contributes to vascular impairment in obesity, primarily through altered lipid accumulation, inflammatory cytokine imbalance, and disrupted endothelial signaling. This study aimed to investigate whether aerobic exercise can ameliorate PVAT-induced vascular dysfunction in mice with obesity induced by a high-fat diet.</p><p><strong>Methods: </strong>Male C57BL/6J mice were fed either a chow or a high-fat diet for 12 weeks, followed by 8 weeks of aerobic treadmill training or sedentary control. Body weight, PVAT morphology, and levels of inflammatory cytokines (tumor necrosis factor alpha, interleukin 1β, monocyte chemoattractant protein 1, and intercellular adhesion molecule 1), adipokines (leptin and adiponectin), and phosphorylation of endothelial signaling proteins (Akt, AMP-activated protein kinase [AMPK], and endothelial nitric oxide synthase [eNOS]) were evaluated in the thoracic aorta and PVAT. Endothelium-dependent relaxation (EDR) was assessed using acetylcholine-induced vasodilation in aortic rings with or without PVAT.</p><p><strong>Results: </strong>High-fat diet-induced obesity led to increased adipocyte size in PVAT, while it also impaired vascular relaxation, elevated levels of proinflammatory cytokines, and reduced phosphorylation of Akt, AMPK, and eNOS in both PVAT and the aorta. Aerobic exercise training significantly reduced PVAT adipocyte size, restored EDR, suppressed inflammatory cytokine levels, increased adiponectin expression, and promoted phosphorylation of vascular signaling molecules in both PVAT and the aorta.</p><p><strong>Conclusion: </strong>Aerobic exercise training restores PVAT homeostasis and endothelial function in obese mice by modulating inflammation, adipokines, and vascular signaling. These findings suggest aerobic exercise as a nonpharmacological approach to improve vascular function in obesity by targeting PVAT dysfunction.</p>","PeriodicalId":14466,"journal":{"name":"International Neurourology Journal","volume":"29 Suppl 1","pages":"S35-S43"},"PeriodicalIF":2.1,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12341350/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144799016","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multifaceted Protective Effects of Exercise on Brain, Muscle, and Vascular Health. 运动对大脑、肌肉和血管健康的多方面保护作用。
IF 2.1 3区 医学
International Neurourology Journal Pub Date : 2025-07-01 Epub Date: 2025-07-31 DOI: 10.5213/inj.2525edi03
Mal-Soon Shin
{"title":"Multifaceted Protective Effects of Exercise on Brain, Muscle, and Vascular Health.","authors":"Mal-Soon Shin","doi":"10.5213/inj.2525edi03","DOIUrl":"10.5213/inj.2525edi03","url":null,"abstract":"","PeriodicalId":14466,"journal":{"name":"International Neurourology Journal","volume":"29 Suppl 1","pages":"S1-S2"},"PeriodicalIF":2.1,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12341347/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144799020","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Simplifying Complex Urological Information-A Practical Approach for Improved Patient and Professional Engagement. 简化复杂的泌尿学信息——提高患者和专业参与的实用方法。
IF 1.8 3区 医学
International Neurourology Journal Pub Date : 2025-06-01 Epub Date: 2025-06-30 DOI: 10.5213/inj.2525edi02
Jin Wook Kim
{"title":"Simplifying Complex Urological Information-A Practical Approach for Improved Patient and Professional Engagement.","authors":"Jin Wook Kim","doi":"10.5213/inj.2525edi02","DOIUrl":"10.5213/inj.2525edi02","url":null,"abstract":"","PeriodicalId":14466,"journal":{"name":"International Neurourology Journal","volume":"29 2","pages":"57-58"},"PeriodicalIF":1.8,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12242173/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144600384","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Empowering Nursing Students: How Video-Based Teaching Enhances Urinary Catheterization Skills - A Randomized Controlled Study. 授权护理学生:视频教学如何提高导尿技能-一项随机对照研究。
IF 1.8 3区 医学
International Neurourology Journal Pub Date : 2025-06-01 Epub Date: 2025-06-30 DOI: 10.5213/inj.2448450.225
Ayten Kaya, Hanife Durgun
{"title":"Empowering Nursing Students: How Video-Based Teaching Enhances Urinary Catheterization Skills - A Randomized Controlled Study.","authors":"Ayten Kaya, Hanife Durgun","doi":"10.5213/inj.2448450.225","DOIUrl":"10.5213/inj.2448450.225","url":null,"abstract":"<p><strong>Purpose: </strong>Clinical skills training in nursing aims to equip students with the essential knowledge, skills, and attitudes required to successfully overcome challenges encountered in clinical settings and deliver optimal patient care. This study aimed to evaluate the effectiveness of video-based self-assessment as an educational tool for teaching urinary catheterization-a crucial clinical skill-to nursing students.</p><p><strong>Methods: </strong>This study employed a randomized, single-blind, parallel-group controlled design. A total of 61 undergraduate nursing students participated (30 students in the experimental group and 31 in the control group). Students were randomly allocated to either the experimental or control group. The experimental group received conventional teaching methods supplemented by video-assisted education, while the control group received only conventional teaching methods. Pretests and posttests were administered to both groups.</p><p><strong>Results: </strong>The experimental group's mean posttest score regarding urinary system knowledge was higher than that of the control group, but the difference was not statistically significant (P>0.05). However, within the experimental group, the difference between pretest and posttest mean scores on urinary system knowledge was statistically significant. Furthermore, the experimental group's mean posttest score for urinary catheterization placement skills was significantly higher than that of the control group (P<0.001).</p><p><strong>Conclusion: </strong>The video-based self-assessment method effectively enhanced the development of professional skills, such as urinary catheterization, among nursing students.</p>","PeriodicalId":14466,"journal":{"name":"International Neurourology Journal","volume":"29 2","pages":"103-109"},"PeriodicalIF":1.8,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12242195/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144600382","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Changes in Brain Activity and Functional Connectivity During Spinal Nerve Stimulation in a Rat Model of Overactive Bladder. 膀胱过度活动大鼠脊神经刺激时脑活动和功能连通性的变化。
IF 1.8 3区 医学
International Neurourology Journal Pub Date : 2025-06-01 Epub Date: 2025-06-30 DOI: 10.5213/inj.2448420.210
Haoyu Sun, Yongheng Zhou, Qinggang Liu, Xing Li, Limin Liao
{"title":"Changes in Brain Activity and Functional Connectivity During Spinal Nerve Stimulation in a Rat Model of Overactive Bladder.","authors":"Haoyu Sun, Yongheng Zhou, Qinggang Liu, Xing Li, Limin Liao","doi":"10.5213/inj.2448420.210","DOIUrl":"10.5213/inj.2448420.210","url":null,"abstract":"<p><strong>Purpose: </strong>Sacral neuromodulation is widely used for refractory overactive bladder; however, its mechanism of action remains unclear. This study aims to investigate real-time changes in brain activity and functional connectivity (FC) during neuromodulation in an overactive bladder (OAB) rat model using functional magnetic resonance imaging.</p><p><strong>Methods: </strong>Twelve female Sprague Dawley rats were implanted with fine bipolar electrodes adjacent to the L6 nerve root. Cystometry was performed on normal rats, acetic acid-induced OAB rats, and during spinal nerve stimulation (SNS) to confirm efficacy. Task-based functional magnetic resonance imaging (fMRI) was acquired using a 20-second rest-stimulus cycle, followed by T2-weighted anatomical imaging on a 9.4T MRI scanner. Comparative analyses examined changes in the amplitude of low-frequency fluctuations (ALFF) and FC between normal and OAB rats. Brain activity during SNS was further assessed using the general linear model (GLM) and FC analysis. Statistical significance was defined as P<0.05 (family-wise error-corrected).</p><p><strong>Results: </strong>Compared with normal rats, OAB rats exhibited increased ALFF in the left prefrontal cortex, periaqueductal gray (PAG), and left primary somatosensory cortex. In addition, FC between the PAG and pons was enhanced (P=0.002). GLM analysis revealed that the left primary somatosensory cortex, left prefrontal cortex, corpus callosum, left secondary motor area, and right brainstem exhibited decreased activity during SNS (P<0.05). Significant FC changes were observed between several regions: the left cerebellum and left caudal zona incerta (P=0.024), right fasciculus retroflexus and left ventral orbital area (P=0.025), and between the pons and PAG (P=0.004). Seed-to-voxel analysis indicated altered FC between clusters identified in the GLM analysis and regions including the PAG, left cingulate area, left prefrontal cortex, left caudate putamen, and right granular insular cortex.</p><p><strong>Conclusion: </strong>Our fMRI study identified several alterations in brain activity during SNS in rats. Specifically, activity in the left prefrontal cortex decreased during SNS, and FC between the PAG and pons was reduced. These changes may represent central mechanisms underlying sacral neuromodulation in OAB patients.</p>","PeriodicalId":14466,"journal":{"name":"International Neurourology Journal","volume":"29 2","pages":"81-91"},"PeriodicalIF":1.8,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12242188/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144600379","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Transurethral Sphincterotomy and an Artificial Urinary Sphincter - A Novel 2-Stage Surgery for Refractory Bladder Emptying Disorders: A Proof-of-Concept Study. 经尿道括约肌切开术和人工尿道括约肌-一种治疗难治性膀胱排空障碍的新型两期手术:概念验证研究。
IF 1.8 3区 医学
International Neurourology Journal Pub Date : 2025-06-01 Epub Date: 2025-06-30 DOI: 10.5213/inj.2550016.008
Kyung Tak Oh, Avelyn Noble Lim, Alwadai Raed Ibrahim, Jang Hwan Kim
{"title":"Transurethral Sphincterotomy and an Artificial Urinary Sphincter - A Novel 2-Stage Surgery for Refractory Bladder Emptying Disorders: A Proof-of-Concept Study.","authors":"Kyung Tak Oh, Avelyn Noble Lim, Alwadai Raed Ibrahim, Jang Hwan Kim","doi":"10.5213/inj.2550016.008","DOIUrl":"10.5213/inj.2550016.008","url":null,"abstract":"<p><strong>Purpose: </strong>We developed an innovative 2-stage procedure combining transurethral sphincterotomy (TURS) with artificial urinary sphincter (AUS) implantation to restore voiding in patients with refractory bladder emptying disorders. This proof-of-concept study evaluated its safety and efficacy.</p><p><strong>Methods: </strong>We retrospectively reviewed clinical data from patients who underwent combined TURS and AUS implantation between April 7, 2021, and October 31, 2024. Eligible patients had neurogenic bladder with refractory emptying, irreversible neurogenic disease, and no mechanical obstruction (e.g., urethral strictures). In the TURS stage, the entire inner urethral segment corresponding to the external sphincter was resected to induce intrinsic sphincter deficiency; this was followed by AUS placement. We analyzed patient demographics, preoperative and postoperative daily pad usage, clean intermittent catheterization (CIC) frequency, patient-reported outcomes (Life Quality [LQ], International Consultation on Incontinence Questionnaire [ICIQ], Sandvik Severity Index [SAND]), postvoid residual (PVR) urine volume, estimated glomerular filtration rate (eGFR), abdominopelvic ultrasonography, and postoperative complications.</p><p><strong>Results: </strong>Four out of 6 patients (66.7%) successfully achieved CIC-free status, with effective self-voiding achieved through AUS activation and abdominal pressure generation. Significant improvements were documented in LQ scores (P=0.042), ICIQ scores (P=0.004), and SAND scores (P=0.039). Median PVR significantly decreased from 237.5 mL (interquartile range [IQR], 112.5-317.5 mL) preoperatively to 1.5 mL (IQR, 0-85.8 mL) postoperatively (P=0.028). No patient demonstrated upper-tract damage or significant eGFR change. One patient developed an AUS infection requiring explantation; another remained CIC-dependent due to insufficient abdominal pressure.</p><p><strong>Conclusion: </strong>Combining TURS with AUS implantation is a safe and effective surgical option for refractory bladder emptying disorders, yielding significant improvements in voiding autonomy and quality of life while reducing catheter dependence. Future studies with larger cohorts and longer follow-up are warranted to validate safety, long-term durability, and broader applicability. These findings may shift current paradigms in neurogenic bladder management.</p>","PeriodicalId":14466,"journal":{"name":"International Neurourology Journal","volume":"29 2","pages":"125-134"},"PeriodicalIF":1.8,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12242176/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144600386","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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