Urologia Internationalis最新文献

{"title":"Epidemiologic, Tomographic, and Infrared Spectroscopic Analysis of Double J Stent Encrustations.","authors":"Andre Rubez, Tamara Silva Cunha, Ivan Selegatto, Azal Neto, Ricardo Miyaoka, Kamran Hassan Bhatti, Renato Nardi Pedro","doi":"10.1159/000543443","DOIUrl":"10.1159/000543443","url":null,"abstract":"<p><strong>Introduction: </strong>Double J (DJ) stent is a common medical device, and it may become encrusted, causing significant concern. Understanding the composition and associated risk factors for encrusted stents is crucial for appropriate management.</p><p><strong>Objective: </strong>The aim of the study was to evaluate the types of DJ encrustation by infrared spectroscopy and correlate them with patient characteristics and computerized tomographic (CT) findings.</p><p><strong>Methods: </strong>All encrusted stents surgically removed over a 1-year period underwent infrared spectroscopy analysis, and types of encrustations were compared with the patient's demographic, clinical, and imaging features. For categorical variables, frequency tables were generated, and for comparing continuous measurements across multiple groups, the Kruskal-Wallis test was used, considering p < 0.05 as statistically significant.</p><p><strong>Results: </strong>Thirty-three patients were included; the mean age was 46 years, and the mean BMI was 32.9 ± 8.98 kg/m2. The average DJ indwelling time was 8.3 ± 7.78 months. Spectroscopic analysis: 34.3% struvite, 22.8% uric acid, 17.1% calcium oxalate, 11.4% ammonium urate, 5.7% brushite, 5.7% calcium oxalate dihydrate, and 2.9% protein. Lower urine pH was associated with uric acid encrustations (p = 0.017). Uric acid and urate encrustations presented significantly lower densities on CT readings (p = 0.043). Brushite prevalence was surprisingly high in our series, and therefore, it has to be considered for early DJ encrustation.</p><p><strong>Conclusion: </strong>The types of mineral deposits depicted in our study differed from the literature, where calcium oxalate is the most common; therefore, other compositions such as struvite and uric acid/ammonium urate should be considered. Urine pH demonstrated an association with uric acid and urate calcifications, which can be predicted by lower densities in CT readings.</p>","PeriodicalId":23414,"journal":{"name":"Urologia Internationalis","volume":" ","pages":"1-8"},"PeriodicalIF":1.5,"publicationDate":"2025-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143400078","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Outpatient Transurethral Resections of Bladder Tumors: Insights from the Largest Cohort to Date.","authors":"Maxime Pattou, Adrien Ochoa, Annabelle Goujon, Jérôme Verine, François Meyer, Sonia Bebane, François Gaudez, Paul Meria, François Desgrandchamps, Pierre Mongiat-Artus, Alexandra Masson-Lecomte","doi":"10.1159/000543979","DOIUrl":"10.1159/000543979","url":null,"abstract":"<p><strong>Introduction: </strong>Outpatient transurethral resection of bladder tumors (TURBT) is not widespread, involving only 5% of patients. Our aim was to assess the feasibility of TURBT in an outpatient setting and to evaluate factors possibly associated with conversion to inpatient care.</p><p><strong>Methods: </strong>All consecutive outpatient-TURBT performed between January 2016 and December 2022 in one academic center was retrospectively analyzed. Outpatient success was defined as the absence of conversion to conventional hospitalization as well as the absence of unscheduled care within 30 postoperative days. The quality of the resection was assessed by the presence of detrusor muscle in the surgical specimen.</p><p><strong>Results: </strong>A total of 500 consecutive outpatient-TURBT were included in 376 patients. Outpatient-TURBT was performed for primary tumor diagnosis in 187 (37%) cases, second look in 66 (13%) cases and tumor relapse in 216 (43%) cases. Muscle was present in 86% of cases. Perioperative inpatient conversions occurred in 40 cases (8%). Once converted, patients stayed a median of 2 days IQR (1;3). Seventy-seven post-TURBT unscheduled care were observed (15%) with 40 emergency room visits (8%) and/or 22 rehospitalizations (4%), occurring on a median postoperative day 3 IQR (1; 4). Overall complication rate was 11% (51 cases of grade 1 and 2 complications [10%] and 6 cases of grade 3 complications [1%]). Multivariate predictors of outpatient-TURBT failure were specimen weight ≥1 g (OR = 4.35, 95% CI: 1.60-13.3, p = 0.007), surgery duration (OR = 1.03, 95% CI: 1.06-1.71), p = 0.002) and antiplatelet treatment (OR = 2.86, 95% CI: 0.864-9.17, p = 0.077).</p><p><strong>Conclusion: </strong>Outpatient TURBT appears to be acceptable with an 8% conversion rate, as well as safe, with an 11% complication rate. Quality of the resection was not affected by the outpatient setting. Tumor weight ≥1 g, surgery duration and absence of antiplatelet treatment were significant multivariate predictors of outpatient surgery failure.</p>","PeriodicalId":23414,"journal":{"name":"Urologia Internationalis","volume":" ","pages":"1-7"},"PeriodicalIF":1.5,"publicationDate":"2025-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143400113","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Patient-Derived Bladder Cancer Organoids: Model Construction and Drug Sensitivity Testing.","authors":"Runze Liu, Yong Zhang, Zhongbao Zhou","doi":"10.1159/000543983","DOIUrl":"10.1159/000543983","url":null,"abstract":"<p><strong>Introduction: </strong>Bladder urothelial carcinoma is highly heterogeneous and is prone to recurrence. There are many types of drugs for intravesical instillation, and there is an urgent need for reliable tumor models for individualized treatment strategies. Patient-derived organoids (PDOs) are efficient and accurate neotype tumor models that can compensate for the deficiencies of traditional tumor models.</p><p><strong>Methods: </strong>From September 2023 to February 2024, bladder cancer tissues were collected from surgical resections in the Department of Urology, Beijing Tiantan Hospital, Capital Medical University. We explored suitable culture systems and cultured primary tumor cells in Matrigel matrix gels. Hematoxylin and eosin (HE) staining and immunohistochemistry were performed for comparison with the original tumor tissue at the histological level for validation. Drug sensitivity tests were also conducted.</p><p><strong>Results: </strong>In this study, a culture system for PDOs was successfully established. HE staining and immunohistochemistry were used to morphologically verify the organ model. Drug sensitivity tests have clarified the value of PDOs as preclinical models of precision medicine.</p><p><strong>Conclusion: </strong>A bladder tumor PDO culture platform was initially established, which laid a foundation for the subsequent construction of the organoid bank, the study of bladder tumor progression mechanism, and research in precision medicine.</p>","PeriodicalId":23414,"journal":{"name":"Urologia Internationalis","volume":" ","pages":"1-9"},"PeriodicalIF":1.5,"publicationDate":"2025-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143391862","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Efficacy of Electrofulguration for Women with Recurrent Urinary Tract Infection on Quality of Life and Sexual Function.","authors":"Cüneyd Sevinç, Orkunt Özkaptan, Cengiz Çanakcı, Uğur Yılmaz, Alkan Çubuk","doi":"10.1159/000543733","DOIUrl":"10.1159/000543733","url":null,"abstract":"<p><strong>Introduction: </strong>The primary objective of the study was to assess the impact of EF in women with rUTI on quality of life and sexual health.</p><p><strong>Methods: </strong>This prospective observational clinical study included 152 women who underwent EF because of rUTI and were followed for a minimum of 18 months. The SF-12 questionnaire and the Female Sexual Function Index (FSFI) are used to evaluate quality of life and sexual dysfunction. The Patient Global Impression of Improvement (PGI-I) scale was assessed to evaluate subjective cure. Endoscopic success was defined as complete resolution of previous lesions without new lesions seen during cystoscopy. Clinical success was defined as no urinary tract infections at the last follow-up; improvement as 1-2 treated infections/year; and failure as ≥3 treated infections/year. Chi-square test, Wilcoxon, and Student's paired t test were used.</p><p><strong>Results: </strong>Seventy patients (52.6%) were defined as cured with at least 1-year follow-up. The subjective cure rate was 71.4% (N = 95) according to PGI-I scores. Women had significantly higher average FSFI scores (p = 0.001) in the 1-year postoperative assessment. Overall, pathological mental health and physical health scores were significantly higher after the intervention (p = 0.00). Thirty-one (23.3%) patients improved clinically with <3 infections per year, and 32 (24.1%) patients failed with >3 infections per year. A total of 97 (74.4%) patients had endoscopic resolution on postoperative evaluation.</p><p><strong>Conclusion: </strong>EF resulted in clinical cure and improvement in the large majority of the patients. A significant proportion of the patients demonstrated enhanced sexual function and quality of life.</p>","PeriodicalId":23414,"journal":{"name":"Urologia Internationalis","volume":" ","pages":"1-7"},"PeriodicalIF":1.5,"publicationDate":"2025-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143190773","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Impact of Personnel Scarcity on Urolithiasis Treatment: A Comparative Study of the Pre- and Post-Pandemic Eras.","authors":"Ozan Yurdakul, Christian Seitz, Altug Tuncel, Julian Veser, Melanie Hassler, Shahrokh Shariat, Mesut Remzi","doi":"10.1159/000543644","DOIUrl":"10.1159/000543644","url":null,"abstract":"<p><strong>Introduction: </strong>This research investigates the influence of the medical personnel shortage on the treatment of urolithiasis by comparing the complication rates in patients with urinary stones who undergo ureterorenoscopy with laser lithotripsy before and after the emergence of this unprecedented situation.</p><p><strong>Methods: </strong>A total of 160 patients undergoing ureterorenoscopy with laser lithotripsy for urolithiasis were retrospectively evaluated, segmented into pre- and post-pandemic cohorts. Complications that occurred preoperatively (during the waiting period for operation), intraoperatively, and postoperatively were documented to compare the complication rates between the two cohorts.</p><p><strong>Results: </strong>The investigation demonstrated a significant elevation of complications during the preoperative waiting period in the post-pandemic cohort (p < 0.001), concurrent with a substantial increase in the median waiting time from 20 days to 94 days (p < 0.001). No significant differences were present in intra- and postoperative complications between the two cohorts.</p><p><strong>Conclusion: </strong>In the new era of personnel shortage, increased complication rates during the preoperative waiting time were observed, concomitant with a significant increase in the waiting times for surgery. This novel challenge of increased preoperative morbidity also led to additional resource consumption. It is imperative to adapt the therapeutic landscape of urolithiasis to the new circumstances.</p>","PeriodicalId":23414,"journal":{"name":"Urologia Internationalis","volume":" ","pages":"1-8"},"PeriodicalIF":1.5,"publicationDate":"2025-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143068227","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Impact of Diabetes and Antidiabetics on Uro-Oncological Disease Outcomes: A Single-Center Experience.","authors":"Moustafa Elleisy, Heike Zettl, Desiree Louise Dräger, Oliver W Hakenberg","doi":"10.1159/000543757","DOIUrl":"10.1159/000543757","url":null,"abstract":"<p><strong>Introduction: </strong>The aim of this study was to determine the impact of diabetes and antidiabetic medications on referral and pathological outcomes in uro-oncology cases. We report preliminary results from a single-center study.</p><p><strong>Methods: </strong>We retrospectively collected data from 781 patients treated between 2018 and 2023 for radical prostatectomy (RP) for prostate cancer (PCa), radical cystectomy (RC) for bladder cancer, radical nephroureterectomy for upper tract urothelial carcinoma, partial nephrectomy and radical nephrectomy (RN) for renal cell carcinoma (RCC). A total of 617 (79%) patients were nondiabetics, and 164 (21%) were diabetics. Patient data were assessed for differences between diabetics and nondiabetics.</p><p><strong>Results: </strong>All diabetic patients had a significantly higher BMI than nondiabetic patients (p < 0.05 for PCa and p = 0.006 for RC, respectively). In diabetic patients with PCa, a lower proportion of ISUP grade 3 and 5 PCa was seen (p = 0.047). In diabetic RCC patients on antidiabetic medication, there was a significantly higher incidence of recurrence rates after RN (p = 0.015). Penile cancer was diagnosed in diabetic patients at an older age (p = 0.019).</p><p><strong>Conclusion: </strong>Significantly, higher BMI was observed for RP and RC in diabetic patients, as well as for RCC after RN. Diabetics showed a significantly higher occurrence of recurrence for RCC after RN.</p>","PeriodicalId":23414,"journal":{"name":"Urologia Internationalis","volume":" ","pages":"1-11"},"PeriodicalIF":1.5,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143047966","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ferritin-to-Transferrin Ratio: A New Prognostic Factor for Renal Cell Carcinoma.","authors":"Huadong Xie, Yuanbi Huang, Huajie He, Rongchao Chen, Yongpeng Li, Haoyuan Lu, Xianlin Yi","doi":"10.1159/000543589","DOIUrl":"10.1159/000543589","url":null,"abstract":"<p><strong>Introduction: </strong>The aim of this study was to assess the prognostic value of the preoperative serum ferritin-to-transferrin ratio (FTR) in renal cell carcinoma (RCC).</p><p><strong>Methods: </strong>We retrospectively reviewed data from 226 patients who underwent surgery for nonmetastatic RCC at our institution between January 1, 2012, and June 30, 2021. Time-dependent receiver operating characteristic (timeROC) analysis identified the optimal FTR cut-off, dividing patients into high and low FTR groups. Propensity score matching (PSM) adjusted for baseline differences. Recurrence-free survival (RFS) and overall survival (OS) were analysed using the Kaplan-Meier method and Cox regression, with a nomogram validating the results.</p><p><strong>Results: </strong>The timeROC analysis showed a 5-year area under the curve of 0.786 for FTR, with 68.4% sensitivity and 86.7% specificity at a cut-off of 177.1. High FTR and clinical stage were independent risk factors for OS and RFS. The hazard ratios for OS and RFS in the high and low FTR groups were 2.598 (1.087-6.213), p = 0.032 and 2.591 (1.105-6.074), p = 0.029, respectively. Kaplan-Meier curves showed significant differences post-PSM (log rank p < 0.05). The nomogram validation indicated high predictive accuracy with a C-index of 0.867 (95% CI: 0.836-0.899) for OS and 0.808 (95% CI: 0.764-0.852) for RFS.</p><p><strong>Conclusion: </strong>Our findings suggest that FTR may serve as an independent prognostic risk factor in patients with locally and localized advanced RCC.</p>","PeriodicalId":23414,"journal":{"name":"Urologia Internationalis","volume":" ","pages":"1-12"},"PeriodicalIF":1.5,"publicationDate":"2025-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143024937","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Flexible Vacuum-Assisted Ureteral Access Sheath for Treating Impacted Ureteral Stones.","authors":"Yujun Chen, Heng Yang, Haibo Xi, Yue Yu, Wen Deng, Xiaochen Zhou, Gongxian Wang","doi":"10.1159/000542944","DOIUrl":"10.1159/000542944","url":null,"abstract":"<p><strong>Introduction: </strong>The aim of this study was to evaluate the feasibility and safety of using the novel flexible vacuum-assisted ureteral access sheath (FV-UAS) in flexible ureteroscope (F-URS) treatment of impacted non-distal ureteral stones.</p><p><strong>Methods: </strong>We analyzed data from patients who underwent FV-UAS treatment for impacted non-distal ureteral stones between January 2022 and September 2023. Perioperative parameters were evaluated, including operative time, ureteral injury, and complications. The FV-UAS have a 10-cm passive deflection segment at the distal end of the ureteral access sheath that can bend following the deflection of the F-URS, while also being connected to a vacuum device for aspiration.</p><p><strong>Results: </strong>A total of 62 consecutive patients (35 females) were included. Mean (range) patient age was 50.0 (29-75) years. Mean (range) largest stone size was 13.8 (9-16) mm. Mean (range) total time was 34.2 (18-46) min. In 57 patients (91.9%), no residual stones were detected in the renal, while 5 patients (8.1%) had residual stones smaller than 4 mm. A 5-tier classification quantified ureteral injury severity at stone impaction sites: grade 0 (n = 10); grade 1 (n = 47); grade 2 (n = 5); and grades 3 and 4 (n = 0). Nine patients (14.5%) underwent the placement of two double-J stents. Two patients (3.2%) developed postoperative fever requiring antibiotics and conservative management. Mean (range) postoperative hospital stay was 1.2 (1-2) day. At the 3-month follow-up, no ureteral strictures had occurred. No additional surgical interventions were necessary during the follow-up.</p><p><strong>Conclusion: </strong>The use of the FV-UAS for the treatment of impacted non-distal ureteral stones is a safe and effective surgical method.</p>","PeriodicalId":23414,"journal":{"name":"Urologia Internationalis","volume":" ","pages":"1-7"},"PeriodicalIF":1.5,"publicationDate":"2025-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143012501","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Fournier's Gangrene Leads to Lower Quality of Life and Self-Esteem.","authors":"Sebastian Lenart, Julia Dorfinger, Sebastian Graf, Florian Wimpissinger, Dennis Schallmayer, Livia Huber, Valentin Bachler, Lukas Lusuardi, Malavika Krishnakumar, Stephan Madersbacher, Michael Lotterstätter","doi":"10.1159/000543614","DOIUrl":"10.1159/000543614","url":null,"abstract":"<p><strong>Introduction: </strong>Fournier's gangrene (FG) is a life-threatening necrotizing infection of the perineal, genital, or perianal regions, often requiring extensive surgical intervention and prolonged recovery. Despite advances in acute management, the long-term impact of FG on patients' self-esteem and quality of life (QoL) remains underexplored.</p><p><strong>Methods: </strong>This retrospective study included 48 patients treated for FG at seven urological centres in Austria between 2017 and 2022. Several in-house data were collected and patients were contacted after a mean of 4.5 years to complete a questionnaire including the International Prostate Symptom Score (IPSS), International Index of Erectile Function (IIEF-5), Short Form (SF-12) QoL questionnaire, and the Rosenberg self-esteem scale (RSE).</p><p><strong>Results: </strong>The study recruited 48 patients with a median age of 64 years; 58.7% required intensive care unit stays due to infection (median duration, 6 days). The in-house mortality rate was 8.3%. Survivors (n = 44) had a median hospitalization of 16 days. They were contacted by mail, and 18 completed the questionnaire. There was a high prevalence of urinary symptoms and erectile dysfunction, wound pain, and impaired QoL. Severe erectile dysfunction (IIEF-5 score ≤7) was reported by 46.2%, and 38.9% reported Visual Analog Scale pain score ≥4. Impaired self-esteem (mean RSE score: 12.4) correlated with functional impairments, including urinary symptoms (IPSS ≥20 in 55.6%), erectile dysfunction, and wound-related pain. Physical and mental health were strongly associated with decreased self-esteem, with hypertension (61.1%) and alcohol abuse (16.7%) negatively impacting outcomes.</p><p><strong>Conclusion: </strong>FG negatively impacts patients' self-esteem and QoL, particularly in the presence of pre-existing risk factors. The findings highlight the importance of integrated rehabilitation approaches to mitigate long-term psychological and functional impairments.</p>","PeriodicalId":23414,"journal":{"name":"Urologia Internationalis","volume":" ","pages":"1-8"},"PeriodicalIF":1.5,"publicationDate":"2025-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143012532","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Relationship between Surgical Difficulty and Postoperative Complications in Kidney Transplantation: Establishment of a Preoperative Prediction Model.","authors":"Jingcheng Lyu, Yushi Hou, Zhipeng Wang, Yichen Zhu","doi":"10.1159/000543458","DOIUrl":"10.1159/000543458","url":null,"abstract":"<p><strong>Introduction: </strong>This study aimed to investigate the relationship between surgical difficulty and postoperative complications in kidney transplantation, as well as to develop a preoperative prediction model for assessing surgical difficulty.</p><p><strong>Methods: </strong>This is a prospective cohort including 122 kidney transplant adult recipients. The subjective score for operative difficulty, ranging from 1 to 3 points, served as the quantitative measure of surgical difficulty. Analysis of variance and chi-square tests were employed to investigate the differences in postoperative complications. Additionally, Pearson and Spearman correlation analyses were conducted to assess the relationship between preoperative data and surgical difficulty scores, while multiple linear regression analysis was utilized to develop a prediction model.</p><p><strong>Results: </strong>With the increase of surgical difficulty, the incidence and severity of postoperative complications of kidney transplant recipients increased significantly (1 vs. 2, p = 0.009; 1 vs. 3, p = 0.004; 2 vs. 3, p = 0.004). The incidence of delayed graft function and graft loss was relatively high (1 vs. 2, p < 0.001; 1 vs. 3, p < 0.001; 2 vs. 3, p = 0.131). The source of donor kidney, number of arteries after donor kidney trimming, end resistance index of in vitro perfusion, vascular anastomosis mode of recipient, BMI, and calcification of the vessels to be anastomosed were influencing factors of surgical difficulty. The results of linear regression analysis showed that the difficulty of surgery = 0.30 (donated by relatives) + 0.48 × the number of arteries + 0.58 × end resistance index of isolated perfusion + 0.24 × the mode of arterial anastomosis + 0.02 × BMI + 0.17 (calcification of the vessel).</p><p><strong>Conclusion: </strong>Higher levels of difficulty in kidney transplantation are associated with increased incidence and severity of postoperative complications, as well as prolonged recovery times. Concurrently, we developed a predictive model to quantify the difficulty of kidney transplantation and validated its accuracy.</p>","PeriodicalId":23414,"journal":{"name":"Urologia Internationalis","volume":" ","pages":"1-10"},"PeriodicalIF":1.5,"publicationDate":"2025-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143012536","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}