Video Urodynamic Study in Patients with Parkinson's Disease and Multiple System Atrophy.

Background: Most studies have analyzed the urodynamic characteristics of patients with Parkinson's disease (PD) and multiple system atrophy (MSA) using conventional urodynamic studies.

Objectives: This study investigated the urodynamic characteristics of both diseases using video urodynamic study (VUDS).

Methods: VUDS results from November 2004 to September 2020 were retrospectively analyzed at Seoul National University Hospital.

Portable Ultrasound Bladder Volume Measurement Over Entire Volume Range Using a Deep Learning Artificial Intelligence Model in a Selected Cohort: A Proof of Principle Study.

Objective: We aimed to prospectively investigate whether bladder volume measured using deep learning artificial intelligence (AI) algorithms (AI-BV) is more accurate than that measured using conventional methods (C-BV) if using a portable ultrasound bladder scanner (PUBS).

Patients And Methods: Patients who underwent filling cystometry because of lower urinary tract symptoms between January 2021 and July 2022 were enrolled. Every time the bladder was filled serially with normal saline from 0 mL to maximum cystometric capacity in 50 mL increments, C-BV was measured using PUBS.

Relationship Between Prostate Size and Urinary Incontinence After Holmium Laser Enucleation of the Prostate: Prospective Registry-Based Patient Cohort Study Under Regular Follow-up Protocol.

Purpose: This study investigated urinary incontinence (UI) following holmium laser enucleation of the prostate (HoLEP), based on the postoperative period, type of UI, and severity according to prostate volume.

Methods: We analyzed prospectively collected data from patients who underwent HoLEP for benign prostatic hyperplasia at Seoul National University Hospital between January 2010 and June 2022. Patients were followed-up at 2 weeks, 3 months, and 6 months postoperatively.

Transurethral Fulguration of Hunner Lesion Was Effective for Primary Management of Pelvic Pain in Patients With Interstitial Cystitis: A Long-Term Follow-Up Study.

Objective: This study aimed to analyze the outcomes of clinical management of patients with interstitial cystitis (IC).

Patients And Methods: We retrospectively analyzed the electronic medical records of patients with IC who visited outpatient clinics with pelvic pain between October 2005 and December 2019. Pain was managed with cystoscopic surgery based on transurethral fulguration (TUF) for bladder ulcers.

Effect of holmium laser prostatectomy on surgical outcomes of primary bladder neck obstruction.

Background: The purpose of this study is to evaluate the efficacy and safety of holmium laser prostatectomy in patients diagnosed with primary bladder neck obstruction (PBNO), compared with patients with benign prostatic hyperplasia (BPH).

Methods: We analyzed the databases of patients who underwent a holmium laser prostatectomy or enucleation of the prostate for PBNO and BPH between January 2018 and August 2022. PBNO was diagnosed primarily based on cystourethroscopic findings.

Comparison of surgical outcomes of endoscopic enucleation of the prostate using different energies.

Objective: This study evaluates surgical outcomes in benign prostatic hyperplasia (BPH) patients undergoing transurethral enucleation using various holmium laser (HoLEP) settings and/or bipolar devices (BipoLEP).

Design: This study was retrospective.

Methods: We retrospectively analyzed 158 BPH patients treated surgically, categorized by method: BipoLEP ( = 28), HoLEP with short pulse (HoLEP-SP,  = 26), HoLEP with long pulse and low energy (HoLEP-LP/LE,  = 29), HoLEP with long pulse and high energy (HoLEP-LP/HE,  = 26), HoLEP using Moses technology (HoLEP-Mo,  = 19), and a combination of HoLEP and BipoLEP (HoLEP-mix,  = 30).

Clinical outcomes of holmium laser enucleation of the prostate: A large prospective registry-based patient cohort study under regular follow-up protocol.

Purpose: To evaluate the efficacy and safety of holmium laser enucleation of the prostate (HoLEP) in a large prospective cohort of patients with benign prostatic hyperplasia (BPH) through systematic follow-up at a single institution.

Materials And Methods: Clinical outcomes were analyzed between August 2008 and June 2022. Patients were followed-up at 2 weeks, 3 months and 6 months postoperatively.

Effect of Self-Training Using Virtual Reality Head-Mounted Display Simulator on the Acquisition of Holmium Laser Enucleation of the Prostate Surgical Skills.

Purpose: We aimed to evaluate the effect of self-training using a virtual reality head-mounted display simulator on the acquisition of surgical skills for holmium laser enucleation surgery.

Methods: Thirteen medical students without surgical skills for holmium laser enucleation of the prostate were trained using multimedia to learn the technique via simulator manipulation. Thereafter, participants performed the technique on a virtual benign prostatic hyperplasia model A (test A).

Effect of detrusor underactivity on surgical outcomes of holmium laser enucleation of the prostate.

Objective: To evaluate the effect of detrusor underactivity (DUA) on the postoperative outcomes of holmium laser enucleation of the prostate (HoLEP) in patients with benign prostatic hyperplasia (BPH).

Patients And Methods: Patients with BPH who underwent HoLEP between January 2018 and December 2022 were enrolled in this prospective database study. Patients were divided into DUA (bladder contractility index [BCI] <100) and non-DUA (BCI ≥100) groups.

Treatment Patterns with Mirabegron and Antimuscarinics for Overactive Bladder: A Prospective, Registry Study in Taiwan and South Korea (FAITH).

Introduction: This study aimed to assess overactive bladder (OAB) treatment patterns and factors associated with effectiveness and persistence.

Methods: A prospective, longitudinal, observational registry study of adults starting OAB therapy with mirabegron or antimuscarinics was undertaken. Primary endpoints were time from treatment initiation to discontinuation/switching; proportion who discontinued/switched; and reasons for discontinuation/switching.

Intelligent Bladder Volume Monitoring for Wearable Ultrasound Devices: Enhancing Accuracy Through Deep Learning-Based Coarse-to-Fine Shape Estimation.

Accurate and continuous bladder volume monitoring is crucial for managing urinary dysfunctions. Wearable ultrasound (US) devices offer a solution by enabling noninvasive and real-time monitoring. Previous studies have limitations in power consumption and computation cost or quantitative volume estimation capability.

Risk Factors of Salvage Procedure for Refractory Morcellation During Holmium Laser Enucleation of the Prostate.

Purpose: We aimed to identify the risk factors for salvage procedure (SP) required for refractory adenomatous tissue resistant to morcellation during holmium laser enucleation of the prostate (HoLEP).

Methods: Patients who underwent HoLEP between January 2010 and April 2020 at Seoul National University Hospital were analyzed. SPs were defined as cases of conversion to resection of the prostatic tissue using an electrosurgical loop after morcellation or secondary morcellation a few days after surgery or conversion to open cystotomy.

Efficacy and safety of low power holmium laser enucleation of the prostate: A prospective short- and medium-term single-blind randomized trial.

Purpose: We evaluated the efficacy and safety of mid-term follow-up in low-power (LP) Holmium laser enucleation of the prostate (HoLEP) compared with high-power (HP) surgery for benign prostatic hyperplasia (BPH).

Materials And Methods: This prospective, single-blind, randomized controlled study was conducted between September 2020 and April 2021. Ninety male patients >50 years who underwent HoLEP for BPH were randomly assigned to HP (80 W/2 J/40 Hz) and LP (24 W/2 J/12 Hz) groups.

Autonomic responses during bladder hydrodistention under general versus spinal anaesthesia in patients with interstitial cystitis/bladder pain syndrome: a randomized clinical trial.

Blocking the abrupt increase in systolic blood pressure associated with autonomic response during bladder hydrodistention in patients with interstitial cystitis/bladder pain syndrome (IC/BPS) is essential for patient safety. We conducted this study to compare autonomic responses during bladder hydrodistention in patients with IC/BPS under general and spinal anaesthesia. Thirty-six patients were randomly allocated to a general anaesthesia (GA, n = 18) or a spinal anaesthesia (SA, n = 18) group.

Does Preoperative Bladder Compliance Affect Long-Term Functional Outcomes after Laser Prostatectomy?

Purpose: We assessed the effects of preoperative bladder compliance on the long-term functional outcomes, especially focused on postoperative storage symptom changes, after laser prostatectomy.

Materials And Methods: From January 2008 to March 2014, 1,608 men who underwent laser prostatectomy, including holmium laser enucleation or photo-vaporization of the prostate, were included in the analysis. We divided patients into 3 groups according to bladder compliance on a baseline urodynamic study: <12.

Natural history of incidentally diagnosed prostate cancer after holmium laser enucleation of the prostate.

Objectives: There is no consensus on the management plan for incidental prostate cancer (IPCa) after holmium laser enucleation of the prostate (HoLEP). This study aims to investigate the natural course of this disease and suggest appropriate treatment in real clinical practice.

Methods: The medical records of a prospective cohort of patients with LUTS/BPH who underwent HoLEP between July 2008 and December 2020 at Seoul National University Hospital were retrospectively reviewed.

Maximum Voided Volume Is a Better Clinical Parameter for Bladder Capacity Than Maximum Cystometric Capacity in Patients With Lower Urinary Tract Symptoms/Benign Prostatic Hyperplasia: A Prospective Cohort Study.

Purpose: Bladder capacity is an important parameter in the diagnosis of lower urinary tract dysfunction. We aimed to determine whether the maximum bladder capacity (MCC) measured during a urodynamic study was affected by involuntary detrusor contraction (IDC) in patients with Lower Urinary Tract Symptoms (LUTS)/Benign Prostatic Hyperplasia (BPH).

Methods: Between March 2020 and April 2021, we obtained maximum voided volume (MVV) from a 3-day frequency-volume chart, MCC during filling cystometry, and maximum anesthetic bladder capacity (MABC) during holmium laser enucleation of the prostate under spinal or general anesthesia in 139 men with LUTS/BPH aged >50 years.

Outcome of Patients With Elevated Prostate-Specific Antigen and Lower Urinary Tract Symptoms Receiving Holmium Laser Enucleation of the Prostate.

Purpose: This study investigated functional outcomes in lower urinary tract symptoms (LUTS), the incidence of incidental prostate cancer (PCa), and changes in prostate-specific antigen (PSA) levels after holmium laser enucleation of the prostate (HoLEP) in patients with elevated PSA and benign prostatic hyperplasia (BPH).

Methods: A retrospective review of a prospectively designed protocol for patients who underwent HoLEP at our institution from January 2010 to May 2020 was conducted. Patients were classified into low-PSA (<3.

Risk Factors for Transurethral Coagulation for Hemostasis During Holmium Laser Enucleation of the Prostate.

Purpose: We aimed to identify risk factors for transurethral coagulation (TUC) using bipolar electrocautery for hemostasis during holmium laser enucleation of the prostate (HoLEP) surgery for benign prostatic hyperplasia (BPH).

Methods: We analyzed the clinical outcomes of HoLEP surgery performed by a single surgeon between January 2010 and April 2020 at the Seoul National University Hospital. Patient characteristics and perioperative parameters were used to identify the risk factors for TUC.