Journal of EndourologyVol. 35, No. S1 AbstractsFree AccessScientific Program of 38th World Congress Of Endourology Program BookPublished Online:22 Oct 2021https://doi.org/10.1089/end.2021.35001.abstractsAboutSectionsPDF/EPUB Permissions & CitationsPermissionsDownload CitationsTrack CitationsAdd to favorites Back To Publication ShareShare onFacebookTwitterLinked InRedditEmail Moderated Poster Session 01: COVID‐19 & BeyondMP01‐01Seasonal and COVID Pandemic‐Related Variations in Patients' Self‐Reported Adherence to Nutrition Recommendations for Stone Prevention Suggest Temporal Increases in Stone Recurrence RiskKL Penniston, K Schobert, RJ MedenwaldUniversity of Wisconsin School of Medicine and Public HealthMP01‐02WithdrawnMP01‐03Percutaneous nephrostomy in Ureteropelvic junction obstruction with poorly functioning kidney: Is it still pertinent in adultsA Srivastava, S Kakoti, Z Tamboli, SK Sureka, UP SinghSanjay Gandhi Post Graduate institute of medical sciencesMP01‐04Kidney stone disease prevalence from administrative coding compared to self‐report: a report from the All of Us Research ProgramCM Forbes, N Nimmagadda, NL Kavoussi, NL Miller, R HsiVanderbilt University Medical Center, Department of UrologyMP01‐05 A Delphi Process Consensus Statement on Urinary Stone Treatment During COVID‐19: A World Endourological Society TOWER Research InitiativeR Smith, T Tailly, BH Chew, N Bhojani, KB ScotlandInstitute of Urology, University College London Hospitals NHS Foundation TrustMP01‐06Prospective non‐randomized comparison of transperitoneal transvesical versus extravesical laparoscopic supratrigonal vesico‐vaginal fistula repair: A single centre experienceV Singh, RJ Sinha, G SinghDept of urology, King George Medical UniversityMP01‐07Identifying patients who will benefit from extended pelvic lymph‐node dissection during radical prostatectomy: a novel nomogram based on target biopsy onlyE Checcucci, C Fiori, I Stura, D Amparore, S De Cillis, A Pecoraro, P Alessio, A Piana, F Piramide, G Volpi, P Verri, S Granato, B Carbonaro, D Zamengo, A De Pascale, D Gned, M Manfredi, G Migliaretti, F PorpigliaDepartment of Urology, AOU San Luigi Gonzaga ‐ University of TurinMP01‐08Clinical significance of markers of acute renal injury in predicting adverse outcomes in patients with coronavirus infectionV Pavlov, I Kabirov, A Alekseev, A Tarasenko, R Abdrakhimov, AO PapoyanBashkir State Medical UniversityMP01‐09The impact of the COVID‐19 pandemic on the presentation and management of renal colic patientsS Mukherjee, H Kadhim, I Sahibzada, D Feflea, L Goldsmith, C Popanes, A RazaLondon North West University Healthcare NHS TrustMP01‐10“Pseudo‐renal colic”–a neglected common entity with significant impact on health service providers' resources during both pre‐ and peri ‐ COVID‐19 pandemicS MukherjeeLondon North West University Healthcare NHS TrustMP01‐11Assessment of Emergency Department Urolithiasis Presentations During the COVID‐19 PandemicDK Agarwal, T Large, M Assmus, ME RiveraIndiana University Department of UrologyMP01‐12Are patients' fears of catching COVID‐19 during an emergency hospital admission with an acute urological problem justified?–A UK epicentre experienceO Gbolahan, V Bonatsos, A RazaLondon North West University Healthcare NHS TrustMP01‐13The effect of the COVID‐19 pandemic on management of urological emergencies including risk of contracting COVID‐19–a UK epicentre experienceO Gbolahan, V Bonatsos, A RazaLondon North West University Healthcare NHS TrustMP01‐14Quality of Life of Urolithiasis Patients During the COVID‐19 Pandemic: A Wisconsin Stone Quality of Life (WISQOL) Research Consortium Cross‐Sectional StudyVK Wong, BH Chew, KL Penniston, VG Bird, NM Streeper, SY Nakada, N BhojaniUniversity of Montreal Hospital Center (CHUM)MP01‐15COVID‐19 Pandemic Results in Decreased Non‐Urgent Urologic‐Related Presentations to the EDA Balen, J Molino, C Tucci, G Pareek, DW SobelWarren Alpert Medical School of Brown UniversityMP01‐16Transforming the Urology clinic to a procedure‐oriented center improves the quality of urological care and patient experienceF Hamouche, R Unno, J Ahn, D Bayne, H Yang, M Stoller, E Finlayson, s smith, R Pruthi, J Smith, T ChiUCSFMP01‐17Quality Improvement for Quality of Life: Low‐Dose Buprenorphine Decreased Opioid Utilization Protocol in Robot‐Assisted Radical CystectomyLJ Smith, TC Peak, HE Moreland, DB RukstalisUniversity of South Carolina School of MedicineMP01‐18Theatre utilisation in the era of COVID‐19A Brodie, A PaiNorthampton General HospitalMP01‐19The impact of COVID‐19 on surgical care delivery for patients with urinary stonesJ DiBianco, S Daignault‐Newton, J Ludlow, J Phelps, E Ratchford, M Cotant, KR Ghani, CA Dauw, f Urological Surgery Improvement CollaborativeDepartment of Urology, University of MichiganMP01‐20Health Related Quality of Life for Stone Patients During COVID‐19 Pandemic is Significantly Lower than Pre‐PandemicMA Knoedler, S Li, SL Best, SP Hedican, KL Penniston, SY NakadaUniversity of Wisconsin, Department of UrologyMP01‐21COVID‐19 pandemic and its effect on supra‐regional extracorporeal shock wave lithotripsy (ESWL) serviceM Kay, J Lau, F Jarral, S Rajpal, N Boucher, J PattersonRoyal Hallamshire HospitalMP01‐22#AUAMatch: The Impact of COVID‐19 on Social Media Use in the Urology Residency MatchP Ho, EJ Margolin, E Sebesta, A Small, GM BadalatoColumbia University Vagelos College of Physicians and SurgeonsModerated Poster Session 02: EpidemiologyMP02‐01Development of the Short Form of the Wisconsin Stone Quality of Life (WISQOL) Questionnaire for Assessing the Health‐Related Quality of Life of Patients with UrolithiasisKL Penniston, S Li, SY NakadaUniversity of Wisconsin School of Medicine and Public HealthMP02‐02Where do you practice? And its effect on equipment, technique, and moreT Aro, A Smith, A Rai, D Mikhail, D Hoenig, AD Smith, Z OkekeThe Smith Institute for UrologyMP02‐03WithdrawnMP02‐04Racial Disparity in Prostate Cancer Diagnosis: A Comparison of Prostate Biopsy Results in African American and White Men using an MRI based Biopsy StrategyA Kasraeian, M Alcantara, K Mola Alcantara, J Cesaretti, A KasraeianKasraeian UrologyMP02‐05Economic Burden of Complicated Ureteral Stent Removal in Patients with Kidney Stone in the United StatesKR Ghani, S Rojanasarot, B Cutone, S Bhattacharya, AE KrambeckNorthwestern UniversityMP02‐06Cost‐Effectiveness of Retrograde Intrarenal Surgery, Standard and Mini Percutaneous Nephrolithotomy, and Extracorporeal Shock Wave Lithotripsy for the Management of 1‐2cm Renal StonesKM Wymer, T Juvet, V Sharma, K Koo, MR Humphreys, AM PotretzkeMayo ClinicMP02‐07Seasonal Variations in Inpatient Pediatric Admissions for UrolithiasisR Alam, W Wu, BR Matlaga, JS WinokerJohns Hopkins University School of MedicineMP02‐08Analysis of urological discussions on Reddit: an emerging platform for patient‐to‐patient information, advice and supportKT Ravivarapu, EB Garden, A Small, O Al‐Alao, MA PaleseIcahn School of Medicine at Mount SinaiMP02‐09Understanding patients' concerns regarding kidney stones using quantitative thematic analysis of social mediaKT Ravivarapu, A Small, EB Garden, M Levy, O Al‐Alao, MA PaleseIcahn School of Medicine at Mount SinaiMP02‐10Thulium laser enucleation of the prostate versus open prostatectomy: A prospective cost analysisM Maltagliati, L Berti, U Besana, A Calori, C Buizza, S Micali, BC Rocco, M Sighinolfi, G BozziniASST Valle OlonaMP02‐11Seasonal variation in the incidence of acute renal colicA Alkhayal, O Alfraidi, T Almudlaj, A Nazer, N Alboqami, K Alrabeeah, AH AlathelSchulich School of Medicine & Dentistry, Western UniversityMP02‐12Health‐Related Quality of Life Disparities among Hispanic/Latinx Patients with NephrolithiasisAR Flores, G abedi, C Girgiss, KL Penniston, S Li, D Norena, DF Friedlander, SK Bechis, RL SurMP02‐13What is the kidney stone related nephrectomy prevalence in an emerging country?V Dall'Aqua, R Borges, A Rodrigues, A Lopes NetoMP02‐14WithdrawnMP02‐15Trends in the Influence of Gender, Race, and Ethnicity on the Prevalence of Kidney Stones: A Multi‐Institutional and Claims AnalysisJ Crivelli, N Maalouf, P Yan, A Hughes, R Hsi, NE Canvasser, N Kachroo, D Leavitt, K Wood, G Oates, JM Hollingsworth, DG AssimosThe University of AlabamaMP02‐16WithdrawnMP02‐17The Social Impact of Surgery for Nephrolithiasis: Results from the Endourological Society TOWER Research CollaborativeAE Jones, G Lin, H Stambakio, BH Chew, JM Stern, JB ZiembaUniversity of Pennsylvania Perelman School of MedicineMP02‐18Contemporary practice patterns of transurethral therapies for benign prostate hypertrophy: Results of a worldwide surveyMS Lee, M Assmus, DK Agarwal, T Large, AE KrambeckNorthwestern University Feinberg School of MedicineMP02‐19Impact of flow disruptions on mental workload and performance during Percutaneous NephrolithotomyS Hussain, SM Nazim, M Ather, N Zahid, M AtherAga Khan UniversityMP02‐20Racial Differences in Utilization of Cytoreductive Surgery among Metastatic Renal Cell Carcinoma Patients Receiving Systemic TherapyA Becerra, D Cao, N Buac, M Greydanus, M Sturgis, C Feng, C Coogan, E Cherullo, S Vourganti, A Stephenson, AK ChowRush University Medical CenterMP02‐21WithdrawnMP02‐22Five Year Survival Outcome Comparison amongst Patients with Unfavorable vs. Favorable Renal Cell Carcinoma SubtypesD Roadman, A Becerra, N Buac, M Greydanus, M Sturgis, D Cao, C Coogan, E Cherullo, S Vourganti, A Stephenson, AK ChowRush University Medical CenterModerated Poster Session 03: BPH IMP03‐01Three‐Year Outcomes after Aquablation Compared to TURP: Efficacy and Ejaculatory Improvements SustainedPJ GillingUrology Bay of PlentyMP03‐02The OPEN WATER trial: Aquablation in a real‐world setting 1 year follow‐upPJ GillingUrology Bay of PlentyMP03‐03Pulsed thulium laser enucleation of the prostate (ThuLEP) utilizing a novel pulsed Thulium:YAG laser: first clinical resultsC Netsch, B Becker, CM Rosenbaum, AJ GrossDepartment of Urology, Asklepios Hospital Barmbek, Hamburg, GermanyMP03‐04Aquablation vs. thulium laser enucleation of the prostate (ThuLEP): early functional results of a matched‐paired analysisB Becker, K Vogt, AJ Gross, CM Rosenbaum, C NetschDepartment of Urology, Asklepios Hospital Barmbek, Hamburg, GermanyMP03‐05Prostatic Urethral Lift (PUL) demonstrates real world effectiveness in subjects with obstructive median lobesNJ Barber, KL Ng, G Eure, D Grier, M Rochester, D RukstalisFrimley Park HospitalMP03‐06The UroLift® Implant Long‐Term Biological Mechanism Behind Relief from Prostatic ObstructionCG Roehrborn, P Chin, H WooUT SouthwesternMP03‐07Aquablation Outcomes in Superlarge ProstatesA Kasraeian, M Alcantara, K Mola Alcantara, S Sterious, N Patel, R Gonzalez, D Elterman, B Helfand, B Chughtai, L Kriteman, A TeKasraeian UrologyMP03‐08Post‐operative pelvic pain after prostate enlargement transurethral procedures: A systematic review and meta‐analysisML Wroclawski, D Castellani, F Heldwein, SB Teles, JD Cha, H Zhao, T Herrmann, V Vinson, J TeohSchool of Medicine, Faculty of Medicine and Health, University of Leeds, Leeds Department of Targeted Intervention, Division of Surgery and Interventional Science, University College London, LondonMP03‐09WATER vs WATER II: Three Year Comparison of Aquablation Therapy for Benign Prostatic HyperplasiaD Nguyen, KC Zorn, N BhojaniUniversity of Montreal Hospital Center (CHUM)MP03‐10WithdrawnMP03‐11WithdrawnMP03‐12Prostatic Urethral Lift ‐ Influence of advanced techniques on benign prostatic enlargement patient pathwayA DhanasekaranSandwell And West Birmingham NHS TrustMP03‐13Prognostic factors predicting late bleeding after ThuLEPM Maltagliati, L Berti, U Besana, A Calori, C Buizza, BC Rocco, S Micali, M Sighinolfi, G BozziniASST Valle OlonaMP03‐14Post Enucleation Morcellation procedure: Lights and ShadowsL Berti, M Maltagliati, P Marcangeli, A Calori, U Besana, C Buizza, M Sighinolfi, S Micali, BC Rocco, G BozziniASST Valle OlonaMP03‐15The Gold Standard Technique for Robotic‐Assisted Simple Prostatectomy: A Multi‐Institutional Assessment of Postoperative Urinary Function OutcomesCU Okoro, M Lee, JY Lee, S Shekar, G Reyes, M Loecher, N Krishnan, AC Harbin, DD EunDepartment of Urology, Lewis Katz School of Medicine at Temple UniversityMP03‐16Outcomes and Complications of bipolar enucleation by prostate sizeJN WarnerCity of HopeMP03‐17Outcomes Following Surgical Treatment of BPH in Patients with Neurologic DiseasesM Wahba, J Vetter, A Paradis, C NottinghamWashington University School of MedicineMP03‐18Identifying Predictors of Antispasmodic use Following Robotic Assisted Simple ProstatectomyJC Dai, TN Morgan, A Garbens, S Kusin, H Trivedi, H Kominsky, CG Roehrborn, JC GahanUT SouthwesternMP03‐19Surgical Treatment of Large Gland BPH : A Comparison Between ThuLEP and Single Port Transvesical Robotic Simple ProstatectomyS Talamini, HT Vigneswaran, MJ Zuberek, S CrivellaroUniversity of Illinois at ChicagoMP03‐20Pivotal roles of macrophage recruitment and polarization in bladder outlet obstructionW Wang, K Xiao, H Chen, L ZhouMP03‐21Minimally Invasive Surgical Treatment of Benign Prostatic Hyperplasia: A Systematic ReviewA Ting, N Shanmugathas, C Khoo, T El‐Husseiny, H AbboudiImperial College Healthcare NHS TrustMP03‐22Minimally Invasive and Endoscopic Therapies of Benign Prostatic Hyperplasia (BPH): Head‐to‐Head Comparison of Short‐Term outcomes by Multiple Treatments (Network) Meta‐AnalysisL Hamed, E OlwenyRush University Medical CenterModerated Poster Session 04: Stones I‐ Outcomes & SWLMP04‐01WithdrawnMP04‐02First comminution of stones in humans by burst wave lithotripsyJD Harper, JE Lingeman, I Metzler, RM Sweet, P Sunaryo, JC Williams, AD Maxwell, J Thiel, B Cunitz, B Dunmire, MR Bailey, M SorensenUniversity of Washington School of MedicineMP04‐03Comparison of Laparoscopic Pyelolithotomy versus Percutaneous Nephrolithotomy for the Treatment of patients with Staghorn Kidney Stones referred to Labbafinezhad hospital in 2019; a randomized clinical trialM Soltani, S Farshid, R Valizadeh, N AhmadianMP04‐04Complications after 4,500 flexible ureteroscopy (academic single center experience)BF Geavlete, R Multescu, C Ene, C Bulai, PA Geavlete“Saint John” Emergency Clinical Hospital, Department of UrologyMP04‐05Role of stone size, stone density, and skin‐to‐stone distance by non‐ contrast computed tomography abdomen in predicting success of shock‐wave lithotripsy for kidney stonesA Hamid, A Ahmad, N Choh, S Malik, R Khawaja, M WaniDepartment of Urology, SKIMS, Srinagar, Kashmir, IndiaMP04‐06Upper Urinary Tract Stones: Evolution of Surgical Management Trends in Germany, France and England over the Past DecadeBW Turney, C Demaire, S Klöcker, H Sommerfeld, O TraxerUniversity of Oxford, Nuffield Department of Surgical Science, Department of Urology, Churchill HospitalMP04‐07The effect of smaller residual stones after minimal invasive endourology procedures for renal stones: prospective studyN Iqbal, A Hasan, S Imtiaz Ali, S AkhterPKLI, Lahore, PakistanMP04‐08Total Power is the Most Important Factor Determining Efficiency in Treatment of Large Bladder StonesM Hajiha, AS Amasyali, M Keheila, J Groegler, A Goyne, D Baldwin, JD Belle, DD BaldwinLoma Linda University, Department of UrologyMP04‐09Effect of Low‐Energy Shock Wave Therapy on Behavioral, Histopathological and Molecular Changes in a Rat Model of Epirubicin‐Induced CystitisAH Elkashef, N Barakat, S Khater, A Awadalla, M El‐Ghar, A El‐assmy, K Sheir, A ShokeirDepartment of Urology, Urology and Nephrology Center, Mansoura University, EgyptMP04‐10Short chain fatty acids reduce renal calcium oxalate stones by regulating oxalate transporters SLC26A3/6 in intestineY Liu, X Jin, Y Ma, Z Jian, L Zhou, L Xiang, Q Sun, H Li, K WangMP04‐11Extracorporeal shockwave lithotripsy: a good option for treating distal ureteric stonesG Celentano, M Creta, G Cancelmo, F Mangiapia, M Marsicano, M Capece, R La Rocca, G Califano, C Collà Ruvolo, L Napolitano, S Morra, C Turco, C Imbimbo, V Mirone, N LongoUniversity of Naples Federico IIMP04‐12External shockwaves lithotripsy a multi‐institutional international studyM Sighinolfi, M Benedetti, T Calcagnile, A Cassani, M Amato, G Saraceni, N Ferrari, G Bozzini, Z ahmed, E Ahmed, E Ahmed, D Cosimo, A Nacchia, P Fedelini, F Chiancone, S Ferretti, P Curti, G Bianchi, BC Rocco, S MicaliAzienda ospedaliero‐universitaria di Modena e Reggio Emilia, Modena, ItalyMP04‐13Is extracorporeal shock wave lithotripsy (ESWL) still suitable for >1.5cm intrarenal stones? Data Analysis of 1902 ESWLsM Pachecco, E Soares Morales, R Nardi Pedro, L O. Reis, W Azal Neto, L Castro SantosEndourology Staff UNICAMP, AME/SBO Lithotripsy Center Coordinator, Professor Faculdade São Leopoldo Mandic, MedicineMP04‐14The benefit of obtaining 24‐hour urine testing before prescribing preventive pharmacological therapy to patients with high‐risk urinary stone diseaseR Hsi, P Yan, J Crivelli, V Shahinian, JM HollingsworthVanderbilt University School of MedicineMP04‐15Shockwave Lithotripsy for Distal Ureteric Stones ‐ Results from the Endourological Society T.O.W.E.R. Research InitiativeF Gabrigna Berto, H Razvi, J Bjazevic, VK Wong, L Nott, M Hossny, R Dasgupta, PJ Osther, BW Turney, BH ChewWestern UniversityMP04‐16How Necessary is Post‐Operative Ultrasound Imaging for Ureteroscopic Stone Procedures?N O'Connell, C Ashley, Z Yasen, R Peggs, J Stephenson, T Tien, R Oliver, P Pal, S GrahamBarts Health NHS TrustMP04‐17Using Artificial Intelligence to Identify Stones on SWL Intra‐Operative Fluoroscopic ImagesRG Seltzer, D Soetemans, I Okwuchi, BD Hamilton, SY NakadaTranslational Analytics and StatisticsMP04‐18Medical Impulsive Therapy: Early results from a Randomized Controlled Trial to evaluate tamsulosin use before ureteral access sheath deploymentV Dall'Aqua, A Lopes Neto, A Rodrigues, M Mattos, L Costa, S GlinaMP04‐19Maternal family history of urolithiasis is associated with earlier onset of urinary stone disease: results from ReSKUR Unno, K Taguchi, M Usawachintachit, H Yang, F Hamouche, J Ahn, D Bayne, M Stoller, T ChiUniversity of California San FranciscoMP04‐20Extracorporeal shock wave lithotripsy in patients with spinal cord injury: have contemporary outcomes improved?MS Yassin, BW Turney, JS ReynardOxford University Hospitals NHS Foundation TrustMP04‐21Emergency Ureteroscopy Service Reduces Patient morbidity and need for secondary procedures in Acute Stone PatientsA Jha, C Ho, S Lee, S Albuheissi, F Keeley, A Timoney, J PhilipBristol Urology InstituteMP04‐22Matched Pair Analysis of Extended versus Precise Focus Shockwave Lithotripsy for UrolithiasisAJ Sharp, CE Lovegrove, R Sreekumar, M Spencer, BW Turney, SA HowlesUniversity of OxfordModerated Poster Session 05: Stones II‐ PCNL & URSMP05‐01Suction Assisted Mini Percutaneous Nephrolithotomy as a day care procedure for medium sized renal stonesMS Agrawal, D MishraGlobal Rainbow Hospital, Agra, IndiaMP05‐02Comparison of pain scores and recovery after Percutaneous Nephrolithotomy in patients with and without regional anesthesia block. Prospective Randomized controlled studyN Iqbal, A Hasan, S Imtiaz Ali, J Rahim, S AkhterPKLI, Lahore, PakistanMP05‐03WithdrawnMP05‐04The Use of Peripheral Nerve Blocks Provides a Significant Opioid‐Sparing Analgesic Effect for Percutaneous Nephrolithotomy: A Systematic ReviewR Alam, K Koo, BR Matlaga, JS WinokerJohns Hopkins University School of MedicineMP05‐05WithdrawnMP05‐06Feasibility of a Non‐opioid Pathway Post Ureteroscopy: Joint Analysis from Two Academic CentersM Awad, M Assmus, a Berg, M Lee, L Hallgarth, AE Krambeck, K SternbergNorthwestern University, Department of UrologyMP05‐07The effect of topical tranexamic acid on postoperative hemoglobin level in patients undergoing PCNLS Farshid, V Rezvankhah, N Ahmadian, M SadriMP05‐08Safety and feasibility of intraoperative real‐time digital stone fragment measurement during ureteroscopyR Becker, K Koo, T Aro, JS Winoker, S Lim, D Petrisor, D Stoianovici, BR MatlagaJames Buchanan Brady Urological Institute, The Johns Hopkins Medical InstitutionsMP05‐09In‐Vivo Porcine Evaluation of the Thermal Effects of the Superpulse Thulium Laser Lithotripsy during Ureteral Stone Laser LithotripsyP Jiang, A Peta, M Ayad, A Brevik, K Larson, Z Okhunov, RM Patel, T Farzaneh, J Landman, RV ClaymanDepartment of Urology, University of California, IrvineMP05‐10Adaptive Percutaneous Nephrolithotomy: Modifying Positioning & Access for Each PatientN Nimmagadda, CM Forbes, NL Kavoussi, R HsiVanderbilt University Medical Center, Department of UrologyMP05‐11Holmium laser lithotripsy with Moses™ Technology in percutaneous nephrolithotomy: preliminary results from a comparative studyE Lievore, S Zanetti, M Turetti, L Boeri, M Fontana, A Gallioli, F Longo, E De Lorenzis, G Albo, E MontanariDept. of Urology, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, MilanMP05‐12Factors affecting the ability to offer emergency primary ureteroscopy in a tertiary teaching hospitalC Fontaine, R Sehgal, Y Abu‐Ghanem, L Forster, G Ellis, P Singh, R Kucheria, A Goyal, D Allen, L AjayiMP05‐13Dusting Efficiency of the Moses Pulse 120H 2.0 Laser System: An In vitro AssessmentP Whelan, CJ Kim, D Ho, C Tabib, F Soto‐Paulo, J Chen, P Zhong, GM Preminger, M LipkinDuke UniversityMP05‐14Reducing the rate of negative ureteroscopy: predictive factors and the role of pre‐ureteroscopy imagingAC Brodie, TJ Johnston, P Lloyd, L Hemsworth, S Keoghane, M BarabasMP05‐15Risk of unplanned postoperative re‐admissions in children undergoing ureteroscopy: a post‐hoc analysis of the pediatric National Surgical Quality Improvement Program databaseY Ding, J Davidson, EP Chan, J Bjazevic, G Filler, S Dave, Z WangWestern UniversityMP05‐16Mini percutaneous nephrolithotomy using SuperPulse Thulium Fiber Laser: Evaluation of clinical efficacy and safetyDA Sytnik, S Popov, I Orlov, I Pazin, M Suleymanov, A KulikovSt. Luke's Clinical HospitalMP05‐17Micro‐ureteroscopy for treatment of mid and upper ureteral stones and kidney stones in pediatric patients younger than 3 yearsR Zhan, Y Ge, W Wangbeijing friendship hospitalMP05‐18Ambulatory Percutaneous Nephrolithotomy Performed in a Free‐Standing Surgery Center: Outcomes of 1000 CasesMM Dunne, N Ariasvillela, JE Abbott, J DavalosChesapeake Urology, Univeristy of Maryland Baltimore Washington Medical CenterMP05‐19Cost‐Analysis of Mini‐Percutaneous Nephrolithotomy (PCNL) and Standard Tract PCNL for Stone Burden Greater/Less Than 20 mm in an Ambulatory SettingMM Dunne, J Chong, B Magnan, J DavalosChesapeake Urology, Univeristy of Maryland Baltimore Washington Medical CenterMP05‐20Ambulatory PCNL may be cost‐effective compared to Standard PCNLMS Lee, M Assmus, DK Agarwal, ME Rivera, T Large, AE KrambeckNorthwestern University Feinberg School of MedicineMP05‐21Economic Burden of Urolithiasis Management in United States Adults 2011‐2018: Analysis of Surgical vs. Non‐Surgical InterventionsE Olweny, A Becerra, JA Khusid, M Sturgis, L Fink, M Gupta, B KonetyRush University Medical CenterMP05‐22Determinants of ureteral patency after percutaneous nephrolithotomyH Lee, H Yang, R Unno, F Hamouche, J Ahn, D Bayne, M Stoller, T ChiModerated Poster Session 06: Stones III: New Technology/OutcomesMP06‐01Resolution of Hydronephrosis and Pain to Predict Stone Passage for Patients with Acute Renal Colic: Analysis from the STONE trialS Jackman, A Maganty, A Wolfson, P Burrows, C MacPherson, N Montano, Z Kirkali, A MeltzerUPMCMP06‐02Visual clarity of irrigants used during flexible ureterorenoscopy: an in vitro comparisonV Ulker, Z Gulerce, O Celik, C Yucel, E Can, B TurnaDepartment of Urology, University of Health Sciences Izmir Tepecik Training and Research HospitalMP06‐03Chloroquine attenuates hyperoxaluria‐induced renal oxidative injury and calcium oxalate crystal depositions via inhibiting NADPH oxidasesX Duan, S Yin, Y Liu, G ZengMP06‐04Automatic computer‐aided in‐situ recognition of morphological features of pure and mixed urinary stones using intraoperative endoscopic imagesV Estrade, M Daudon, F Bladou, J Bernhard, G Robert, B Denis De SennevilleChu PellegrinMP06‐05Postoperative Urinary Tract Infections After Flexible Ureteroscopy Using High‐Level Disinfection With 2 % Glutaraldehide for Flexible ScopesP Alarcon, E Flores, EE Lozada, S Hector, BO ManzoHospital Regional de Alta Especialidad del BajíoMP06‐06 A critical assessment of digital single‐use flexible ureteroscopes in a porcine modelSK Bechis, B Eisner, BR Matlaga, O ShahUniversity of California ‐ San Diego, Department of UrologyMP06‐07Predictive factors for ureteric stricture formation after ureteroscopic treatment of impacted ureteric stonesM Ramachandra, Z Al‐Nabulsi, Y Phan, P Osborn, A Auer, C Rowbotham, M IsmailUniversity Hospital Southampton, UKMP06‐08Prospective randomized comparison of classical retroperitoneoscopic pyelolithotomy versus percutaneous nephrolithotomy for solitary large pelvic kidney stonesV Singh, RJ Sinha, G SinghDept of urology, King George Medical UniversityMP06‐09Endoscopic Combined Intrarenal Surgery (ECIRS)–The new standard in the treatment of complex stone disease?J Correia, M Madanelo, B Teixeira, G Mendes, S Mesquita, A Fraga, M Silva‐Ramos, V CavadasDepartment of Urology, Centro Hospitalar Universitário do PortoMP06‐10 A preoperative predictive score for uric acid kidney stonesMJ Basulto‐Martínez, S Proietti, M Pavia, L Rico, Y Yeow, J Flores‐Tapia, A Esqueda‐Mendoza, F Gaboardi, G GiustiDept. of Urology, Hospital Regional de Alta Especialidad de la Península de YucatánMP06‐11Pattern of key opinion leaders talks at major international urological meetings reflect the main differences in flexible ureteroscopy and PCNL diffusionE Ventimiglia, F Quadrini, F Pauchard, H Kamkoum, S Doizi, O TraxerDivision of Experimental Oncology/Unit of Urology; URI; IRCCS Ospedale San RaffaeleMP06‐12WithdrawnMP06‐13Natural history of small asymptomatic kidney and residual stones over a long‐term follow‐up: Systematic review over 25 yearsCE Lovegrove, R Geraghty, B Yang, E Brain, SA Howles, BW Turney, BK SomaniDepartment of Urology, Oxford University Hospitals NHS Foundation Trust; Nuffield Department of Surgical Sciences, University of OxfordMP06‐14The T‐Tilt Position: a Novel Modified Patient Position to Improve Stone‐Free Rates in Retrograde Intrarenal SurgeryC Liaw, JA Khusid, B Gallante, JN Bamberger, WM Atallah, M GuptaIcahn School of Medicine at Mount SinaiMP06‐15Stone clearance using the EMS Swiss LithoClast® Trilogy: results of the European multicentre prospective study in comparison to the BAUS national PCNL outcomes on behalf of the European Society of UroTechnologyN Thakare, F Tanse, K Saeb‐Parsy, N Atassi, R Endriss, G Kamphuis, D Perez‐Fentes, M Hasan, M Brehmer, PJ Osther, HU Jung, BW Turney, W Finch, N Burgess, S Irving, L Dragos, E Liatsikos, T Knoll, V Cauni, O WisemanCambridge University Hospitals Nhs TrustMP06‐16Long‐Term Evaluation of the Endockscope System: An Assessment of Global UsageAS Afyouni, M O'Leary, Z Okhunov, A Peta, A Brevik, M Ayad, R Yoon, RM Patel, B Dolan, J Landman, RV ClaymanDepartment of Urology, University of California, IrvineMP06‐17Benchtop Assessment of a New Single‐Use Flexible UreteroscopeP Whelan, RS Terry, R Qi, C Tabib, F Soto‐Paulo, GM Preminger, M LipkinDuke UniversityMP06‐18Novel Image Quality Evaluation Tool for Ureteroscopes: Validation Study Using Four Widely Available Digital UreteroscopesSN Patel, RK Jain, AT Cranwell, S QuarrierUniversity of RochesterMP06‐19Is uric acid stone the 6th component in metabolic syndrome? A marker for worsening healthH Johnson, H Musleh, A Mitry, H O'Callaghan, J PhilipBristol Urological InstituteMP06‐20Cost‐Effectiveness of 90‐Day Single‐Use Flexible Cystoscope Trial: Single Center Micro‐Costing AnalysisM Assmus, AE Krambeck, M Lee, DK Agarwal, M Mellon, ME Rivera, T LargeNorthwestern University, Department of UrologyMP06‐21Predictors of flexible ureteroscope instrument repair: analysis of the last 2 years at the University Hospital ZurichD Lavrek, C Poyet, D Schmid, T Hermanns, T Sulser, D Eberli, E KellerDepartment of Urology, University Hospital of Zurich, University of Zurich, Zurich, SwitzerlandMP06‐22“Are we there yet?”: Assessing the Accuracy of Artificial Intelligence in Calculating Renal Stone VolumeA Peta, C Chantaduly, P Jiang, A Brevik, L Limfueco, R Karani, R Arada, RM Patel, J Landman, P Chang, RV ClaymanDepartment of Urology, University of California, IrvineModerated Poster Session 07: Imaging IMP07‐01Comparing PSMA‐PET, biopsy pathology, and MRI for prediction of Extra‐prostatic extension (EPE) and surgical guidance in prostate cancerCD Bahler, M Green, M Tann, K Collins, J Swensson, E Brocken, L Cheng, D Alexoff, H Kung, M KochUrologyMP07‐02Targeted MRI/US Fusion and Standard TRUS Prostate Biopsy: 563 Patients ‐ Relationship Between PIRADS Score and Prostate Cancer Detection Rate: A Single Urologist's ExperienceA Kasraeian, M Alcantara, K Mola Alcantara, J Yellin, A Brochert, J Cesaretti, A KasraeianKasraeian UrologyMP07‐03Retrograde uretero‐pyelography without diagnostic ureteroscopy has superior intravesical recurrence‐free survival compared to performing ureteroscopy in nephroureterectomy for upper urinary tract urothelial carcinomasK Kim, H Yang, S Kim, D Kim, C Lee, Y JeonDepartment of Urology, Soonchunhyang University Cheonan Hospital, Soonchunhyang University College of MedicineMP07‐04Defining the non‐contrast computerized window setting for optimal colon identification prior to percutaneous nephrolithotomyS Dekalo, Z Savin, I Mintz, H Hertzberg, I Masarwe, G Aviram, O Yossepowitch, M SoferTel‐Aviv Sourasky Medical center, Sackler School of Medicine, Tel‐Aviv UniversityMP07‐05Elevated radiation exposure and other dilemmas of ureteral access sheath (UAS) usageT Ozimek, JR Wiessmeyer, JP Struck, MC Hupe, F Püschel, S Stockfisch, AS Merseburger, MW KramerUniversitätsklinikum Schleswig‐Holstein (C