John O. L. DeLancey
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View article: Pelvic shape predisposes for pelvic organ prolapse: a geometric morphometry study
Pelvic shape predisposes for pelvic organ prolapse: a geometric morphometry study Open
Objective To identify morphological features of the soft tissue and bony pelvis that could serve as predictive risk factors for the development of pelvic organ prolapse (POP) in adult women. Methods This case–control study compared the sha…
View article: Transvaginal Repair of Pelvic Organ Prolapse After Cystectomy/Anterior Pelvic Exenteration
Transvaginal Repair of Pelvic Organ Prolapse After Cystectomy/Anterior Pelvic Exenteration Open
Purpose Pelvic organ prolapse (POP) in women after cystectomy or anterior pelvic exenteration is a rare yet complicated condition that presents a technical challenge. Limited data exists on the management of this condition. This study aims…
View article: Assessing Postpartum Levator Ani Muscle Recovery: A Feasibility Study on Automated Texture Analysis in Transvaginal Ultrasound
Assessing Postpartum Levator Ani Muscle Recovery: A Feasibility Study on Automated Texture Analysis in Transvaginal Ultrasound Open
View article: Assessment of Patient Experience During Active Surveillance for Prostate Cancer
Assessment of Patient Experience During Active Surveillance for Prostate Cancer Open
Active surveillance is a preferred strategy for patients with low-risk prostate cancer to delay and/or avoid side effects of treatment. While its impact on health-related quality of life (HRQOL) has been studied, factors influencing follow…
View article: Wearable Personal Uroflowmeter for Measuring Urine Leakage in Women with Incontinence: Feasibility Study
Wearable Personal Uroflowmeter for Measuring Urine Leakage in Women with Incontinence: Feasibility Study Open
This paper describes a novel wearable personal uroflowmeter and its use to log urine leakage episodes in women. Consisting of a miniature flow rate sensor attached under the urethral meatus, it recorded both urine flow rate and volume duri…
View article: Improving the Accuracy of a Wearable Uroflowmeter for Incontinence Monitoring Under Dynamic Conditions: Leveraging Machine Learning Methods
Improving the Accuracy of a Wearable Uroflowmeter for Incontinence Monitoring Under Dynamic Conditions: Leveraging Machine Learning Methods Open
Urinary incontinence affects many women, yet there are no monitoring devices capable of accurately capturing flow dynamics during everyday activities. Building on our initial development of a wearable personal uroflowmeter, this study enha…
View article: Urogenital Hiatus Closure: Facts, Fallacies, and Why a Unified Theory of Hiatal Failure is Needed
Urogenital Hiatus Closure: Facts, Fallacies, and Why a Unified Theory of Hiatal Failure is Needed Open
View article: Expanded Physiological Testing of the Lower Urinary Tract in Asymptomatic Women and Those With Urgency Urinary Incontinence: Findings From the LURN‐Organ Study
Expanded Physiological Testing of the Lower Urinary Tract in Asymptomatic Women and Those With Urgency Urinary Incontinence: Findings From the LURN‐Organ Study Open
Purpose To investigate sensory and motor function of the bladder and urethra in women with and without urgency urinary incontinence (UUI). Materials and Methods Treatment‐seeking women with UUI and healthy, asymptomatic, nontreatment seeki…
View article: Are the uterosacral ligaments detached in young women with pelvic floor symptoms after birth?
Are the uterosacral ligaments detached in young women with pelvic floor symptoms after birth? Open
View article: 105 - Urogenital and Levator Hiatus Size and Lower Urinary Tract Symptoms in Older Women: the Study of Muscle, Mobility and Aging (SOMMA)
105 - Urogenital and Levator Hiatus Size and Lower Urinary Tract Symptoms in Older Women: the Study of Muscle, Mobility and Aging (SOMMA) Open
View article: 286 - Association of Urogenital and Levator Hiatus Length with Skeletal Muscle Size, Strength and Physical Performance in Older Women: the Study of Muscle, Mobility and Aging (SOMMA)
286 - Association of Urogenital and Levator Hiatus Length with Skeletal Muscle Size, Strength and Physical Performance in Older Women: the Study of Muscle, Mobility and Aging (SOMMA) Open
View article: Comparison of the Vaginal and Labial Dimensions of Nullipara Ethnic Chinese and Western Women
Comparison of the Vaginal and Labial Dimensions of Nullipara Ethnic Chinese and Western Women Open
Introduction and Hypothesis Vaginal dimensions have clinical and surgical implications. We sought to quantify the differences between vaginal and labial dimensions in healthy ethnic Chinese and Western women with normal pelvic organ suppor…
View article: Structural Changes in Brain White Matter Tracts Associated With Overactive Bladder Revealed by Diffusion Tensor Magnetic Resonance Imaging: Findings From a Symptoms of Lower Urinary Tract Dysfunction Research Network Cross-Sectional Case-Control Study
Structural Changes in Brain White Matter Tracts Associated With Overactive Bladder Revealed by Diffusion Tensor Magnetic Resonance Imaging: Findings From a Symptoms of Lower Urinary Tract Dysfunction Research Network Cross-Sectional Case-Control Study Open
ClinicalTrials.gov: NCT02485808.
View article: Letter to the editor of heliyon re: The predicting value of the ratio of levator hiatus diameter to fetal head circumference in pregnant women at 37 weeks of gestation in the progression of the second stage of labor and levator ani injury 6 weeks postpartum”
Letter to the editor of heliyon re: The predicting value of the ratio of levator hiatus diameter to fetal head circumference in pregnant women at 37 weeks of gestation in the progression of the second stage of labor and levator ani injury 6 weeks postpartum” Open
Sir In their paper Dr. Gan and colleagues [1Gan B. Zheng S. Wu X. Li X. The predicting value of the ratio of levator hiatus diameter to fetal head circumference in pregnant women at 37 weeks of gestation in the progression of the second st…
View article: MRI anatomy of the anal sphincter
MRI anatomy of the anal sphincter Open
View article: (385) Compliance with Post-Vasectomy Semen Analysis (PVSA): A Retrospective Survey Study
(385) Compliance with Post-Vasectomy Semen Analysis (PVSA): A Retrospective Survey Study Open
Introduction After undergoing vasectomy, sterility must be confirmed with PVSA obtained ~12 weeks and at least 20 ejaculations after the procedure. Sterility is defined as azoospermia or rare non-motile sperm (<100,000 non-motile sperm/…
View article: Functional Anatomy of Urogenital Hiatus Closure: the Perineal Complex Triad Hypothesis
Functional Anatomy of Urogenital Hiatus Closure: the Perineal Complex Triad Hypothesis Open
View article: Pelvic floor injury during vaginal birth is life-altering and preventable: what can we do about it?
Pelvic floor injury during vaginal birth is life-altering and preventable: what can we do about it? Open
View article: A unified pelvic floor conceptual model for studying morphological changes with prolapse, age, and parity
A unified pelvic floor conceptual model for studying morphological changes with prolapse, age, and parity Open
View article: Dynamic analysis of the individual patterns of intakes, voids, and bladder sensations reported in bladder diaries collected in the LURN study
Dynamic analysis of the individual patterns of intakes, voids, and bladder sensations reported in bladder diaries collected in the LURN study Open
The goal of this study was to develop the novel analytical approach and to perform an in-depth dynamic analysis of individual bladder diaries to inform which behavioral modifications would best reduce lower urinary tract symptoms, such as …
View article: Frequency and trends in usage of eponyms in gynecologic anatomical terminology: A cross‐sectional culturonomics study
Frequency and trends in usage of eponyms in gynecologic anatomical terminology: A cross‐sectional culturonomics study Open
Synopsis On average, gynecologic eponyms were used more than twice as frequently as their preferred anatomical synonyms in published printed sources between 2000 and 2019.
View article: Dynamic analysis of the individual patterns of intakes, voids, and bladder sensations reported in bladder diaries collected in the LURN study
Dynamic analysis of the individual patterns of intakes, voids, and bladder sensations reported in bladder diaries collected in the LURN study Open
The goal of this study was to perform an in-depth dynamic analysis of individual bladder diaries to inform which behavioral modifications would best reduce lower urinary tract symptoms, such as frequency and urgency. Three-day bladder diar…
View article: A comparison of MRI-based pelvic floor support measures between young and old women with prolapse
A comparison of MRI-based pelvic floor support measures between young and old women with prolapse Open
View article: Electrochemical Sensing of Urinary Chloride Ion Concentration for Near Real-Time Monitoring
Electrochemical Sensing of Urinary Chloride Ion Concentration for Near Real-Time Monitoring Open
Urinary chloride concentration is a valuable health metric that can aid in the early detection of serious conditions, such as acid base disorders, acute heart failure, and incidences of acute renal failure in the intensive care unit. Physi…
View article: Quantifying lower birth canal resistance to dilation during the 1st stage of labor
Quantifying lower birth canal resistance to dilation during the 1st stage of labor Open
View article: Dysfunction of the aging female mouse urethra is associated with striated muscle loss and increased fibrosis: an initial report.
Dysfunction of the aging female mouse urethra is associated with striated muscle loss and increased fibrosis: an initial report. Open
The decline of urethral function with advancing age plays a major role in urinary incontinence in women, impairing quality of life and economically burdening the health care system. However, none of the current urinary incontinence treatme…
View article: Correction to: Preoperative level II/III MRI measures predicting long-term prolapse recurrence after native tissue repair
Correction to: Preoperative level II/III MRI measures predicting long-term prolapse recurrence after native tissue repair Open
View article: Hiatal failure: effects of pregnancy, delivery, and pelvic floor disorders on level III factors
Hiatal failure: effects of pregnancy, delivery, and pelvic floor disorders on level III factors Open
View article: Reply to: The case against urethral failure is not a critical factor in female urinary incontinence. Now what? The integral theory system
Reply to: The case against urethral failure is not a critical factor in female urinary incontinence. Now what? The integral theory system Open
View article: Natural history of lower urinary tract symptoms in treatment-seeking women with pelvic organ prolapse; the Symptoms of Lower Urinary Tract Dysfunction Research Network (LURN)
Natural history of lower urinary tract symptoms in treatment-seeking women with pelvic organ prolapse; the Symptoms of Lower Urinary Tract Dysfunction Research Network (LURN) Open