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Context: Ureteral stent-related symptoms (SRSs) are very common and may potentially influence the quality of life and functional capacity of patients. It remains unclear whether mirabegron has a place in the treatment of SRSs., Objective: To summarize the evidence of mirabegron for the treatment for SRSs in adult patients., Evidence Acquisition: A systematic review of literature was performed using the PubMed, Embase, and Google Scholar databases. Studies published up to June 2021 that met the search terms ("mirabegron" OR "B3-agonist") AND ("stent-related symptoms" OR "stent-related discomfort" OR "stent") were considered. References from relevant sources were examined to identify additional sources for this review. Relevant studies were selected according to Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) guidelines. The revised Cochrane tool "RoB 2" was used to assess the quality of included randomized clinical trials., Evidence Synthesis: Eight studies were selected for final quantitative and qualitative synthesis. The Ureteral Stent Symptom Questionnaire (USSQ) body pain score was significantly improved by mirabegron in five studies, although a pooled data analysis did not reveal any significant changes. The USSQ urinary symptom score was significantly improved by mirabegron in four independent studies as well as in the corresponding meta-analysis, while no changes were found in two studies. International Prostate Symptom Score was improved significantly by mirabegron in three independent studies as well as in the corresponding meta-analysis. The USSQ general health and the quality of life score were improved significantly by mirabegron on meta-analysis., Conclusions: Mirabegron may have a beneficial effect on pain and urinary symptoms due to ureteral stents, although the evidence is based on low-quality studies., Patient Summary: In this report, we looked at the evidence of mirabegron for the treatment of ureteral stent-related symptoms. We found that mirabegron can potentially alleviate pain and bothersome urinary symptoms due to ureteral stents., (Copyright © 2021 European Association of Urology. Published by Elsevier B.V. All rights reserved.)

Internal drainage of the upper urinary tract by stenting is a common urological procedure. The use of stenting in modern urological practice is on the rise due to widespread adoption of modern endourological, laparoscopic, percutaneous and high-tech robotic interventions. The presence of a stent in the patients body may cause stent-related symptoms and negatively affect the quality of life, resulting in additional outpatient visits and hospitalizations. The review provides an analysis of the causes, diagnostic evaluation, prevention and treatment of stent-related symptoms. The authors describe the management options including -blockers, anticholinergics, and their combinations.

The purpose of this article is to review the effects of different types of pharmacotherapy on symptoms that affect the quality of a patient's life after stent insertion. A thorough Medline/PubMed nonsystematic review was conducted from 1987 to January 2023, using the terms: "pigtail" OR "ureteral stents" AND "lower urinary tracts symptoms" OR "LUTS" AND "pharmacotherapy" OR "drugs". Relevant studies conducted in humans and reported in English language were included. The available reviews and articles associating the use of drugs with stent‐related symptoms (SRS) provide conflicting results. Most of them show a clear benefit of alpha blockers, particularly alfuzosin, on treating urinary SRS, and hence there is a strong recommendation for the use of alpha blockers for the treatment of SRS in the guidelines of the European Association of Urology. Anticholinergics and mirabegron have shown a significant benefit in dealing with irritative bladder symptoms. In contrast, the findings for combination therapies are contradictory, with some studies showing that combination therapy is no superior to monotherapy with regards to most of the subsets of the Ureteral Stent Symptom Questionnaire (USSQ), whereas others present a clear benefit of combination therapies, specifically silodosin and solifenacin, in treating stent‐associated lower urinary tract symptoms (LUTS), in comparison with any other type of monotherapy or combination therapy. Many studies suggest that some categories of pharmacotherapy, such as alpha blockers, can alleviate SRS. However, there is conflicting evidence concerning most other types of medical treatment. Randomized trials with the largest number of patients are needed to investigate the effectiveness of novel approaches on SRS. [ABSTRACT FROM AUTHOR]

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Objectives: To compare the effectiveness of antireflux ureteral stents on improving symptoms and quality of life of patients with ureteral stents. Materials and Methods: We randomized 120 patients with ureteral stone who required ureteral stent placement after ureteroscopic lithotripsy, of which 107 (56 in standard ureteral stent group and 51 in antireflux ureteral stent group) entered the final analysis. Severity of flank pain and suprapubic pain, visual analog scale (VAS), analgesic used after hospitalization, back soreness during micturition, gross hematuria, creatinine abnormality, hydronephrosis grade, symptomatic urinary tract infection (UTI), and quality of life were compared between the two groups. Results: There were no serious complications after operation in all 107 cases. The antireflux ureteral stent group had less flank pain and suprapubic pain (p < 0.05), analgesic used after hospitalization (p < 0.05), back soreness during micturition (p < 0.05), and lower VAS (p < 0.05). The health status index scores (p < 0.05), dimensions of usual activities, and pain/discomfort (p < 0.05) in the antireflux ureteral stent group were statistically better than those in the standard ureteral stent group. There were no significant differences between the groups in creatinine abnormality, hydronephrosis grade, gross hematuria, and symptomatic UTI. Conclusions: The antireflux ureteral stent has the same safety and efficacy as the standard ureteral stent, and is significantly better than the standard ureteral stent in flank pain and suprapubic pain, VAS, analgesic used after hospitalization, back soreness during micturition, and quality of life. [ABSTRACT FROM AUTHOR]

Ureteric stent insertion following ureteroscopic lithotripsy (URSL) is a common and widely accepted procedure. However, there is no agreement on whether a ureteric stent should be placed following an uncomplicated URSL. Furthermore, the definition of uncomplicated URSL remains debatable. To compare the efficacy, safety, and morbidity of no stent placement with the conventional stent placement after uncomplicated retrograde semirigid URS for a distal ureteric calculus of size ≤1 cm, we compared the corresponding complication rates, emergency visits, secondary interventions, and pain at follow-up. Following an uncomplicated ureteroscopic lithotripsy, 104 patients were randomized into the conventional stented group (CSG) and nonstented group (NSG). Lower urinary tract symptoms and sexual function were evaluated using validated questionnaires (IPSS + IIEF-5 + MSHQ-EjD/FSFI) preoperatively and at 4 weeks during follow-up. Pain scores at follow-up were recorded using a visual analogue scale (VAS). Patients who visited the emergency room or needed secondary interventions before the recommended follow-up time were noted. The Generalized Estimating Equations method was used to explore the difference in change in the domains of IPSS, IIEF-5, MSHQ-EjD, and FSFI between the two groups over time. A significant difference was noted in the following IPSS domains: Frequency, Urgency, Nocturia, Storage Symptoms, Total IPSS Score (p ≤ 0.001), and QoL (p = 0.002); IIEF-5 domains: Overall Score (p = 0.004); MSHQ-EjD domains: Ejaculation Bother/Satisfaction (p ≤ 0.001); and FSFI domains: Lubrication (p ≤ 0.001), Satisfaction (p = 0.006), and Overall Score (p = 0.004). There was no significant difference between the various groups in terms of distribution of emergency visits, readmission and secondary interventions, pain at follow-up (VAS), and need for long-term analgesia. Nonplacement of stents after uncomplicated URS decreases stent-related symptoms and preserves QoL without placing the patient under increased postoperative risk. [ABSTRACT FROM AUTHOR]

Objective: To compare stent‐related symptoms (SRS) associated with conventional ureteric JJ stent (CUS) placement and SRS associated with placement of a modified complete intra‐ureteric stent (CIUS) with extraction suture, designed to minimize SRS, using the validated Ureteral Stent Symptom Questionnaire (USSQ). Materials and Methods: We randomized 124 patients who had undergone uncomplicated ureteroscopic lithotripsy into a CIUS and a CUS placement group. USSQ scores were evaluated on postoperative days 1 and 7 (just before stent removal) and 4 weeks after stent removal (control values). Pain scores on a visual analogue scale (VAS) after stent removal were also recorded. Subdomain analysis of all SRS and stent‐related complications were also compared. Results: No significant intergroup differences were found in the domain scores for urinary symptoms (P = 0.74), pain (P = 0.32), general health (P = 0.27), work (P = 0.24), or additional problems (P = 0.29). However, a statistically significant difference was noted in VAS scores (P = 0.015). Analysis of subdomains of USSQ item scores showed the CIUS group had significantly better scores for urge incontinence (1.21 vs 1.00; P ≤ 0.001), discomfort on voiding (2.07 vs 1.50; P ≤ 0.001), difficulties with respect to light physical activity (1.131 vs 1.00; P ≤ 0.001), fatigue (1.84 vs 1.57; P = 0.002), feeling comfortable (3.68 vs 3.16; P = 0.003), need for extra help (1.96 vs 1.00; P ≤ 0.001), and change in duration of work (4.27 vs 1.86; P ≤ 0.001). However, the patients in the CIUS group were sexually inactive for the time during which the stent was indwelling (mean: 7.34 days). There was no difference in complication rates between the two groups. Conclusion: The use of a CIUS with strings after Ureteroscopy decreases SRS. [ABSTRACT FROM AUTHOR]

Abstract Background Approximately 80% of patients with indwelling ureteral stents experience stent related symptoms (SRS). We believe SRS can be reduced through altering the composition of ureteral stents to a less firm material. Therefore, we aim to compare modern silicone and polyurethane ureteral stents in terms of SRS intensity and safety. Methods From June 2018 to October 2018, patients from two distinct clinical centers were prospectively enrolled in the study and stratified (non-randomly) into either control group A, patients who received polyurethane stents (Rüsch, Teleflex), or experimental group B, patients who received silicone stents (Cook Medical). Each participant completed a survey 1 h after stent insertion, in the middle of the stent dwelling period, and before stent removal or ureteroscopy noting body pain and overactive bladder via the visual analog scale pain (VASP) and overactive bladder (OAB) awareness tool, respectively. Additionally, successfulness of stent placement, hematuria, number of unplanned visits, and stent encrustation rates were assessed within each group. Results A total of 50 patients participated in the study, control group A consisted of 20 patients and experimental group B consisted of 30 patients. Participants in group B, silicone ureteral stents, demonstrated significantly lower mean values of VASP 2 weeks prior to stent removal and promptly before stent removal (p = 0.023 and p = 0.014, respectively). No other comparisons between the two groups were statistically significant. Conclusions Compared to polyurethane ureteral stents, silicone ureteral stents are associated with lower body pain intensity assessed by VASP 2 weeks before stent removal and at the time of stent removal. Trial registration Current Controlled Trials NCT04000178. Retrospectively registered on June 26, 2019.

Background: Approximately 80% of patients with indwelling ureteral stents experience stent related symptoms (SRS). We believe SRS can be reduced through altering the composition of ureteral stents to a less firm material. Therefore, we aim to compare modern silicone and polyurethane ureteral stents in terms of SRS intensity and safety.Methods: From June 2018 to October 2018, patients from two distinct clinical centers were prospectively enrolled in the study and stratified (non-randomly) into either control group A, patients who received polyurethane stents (Rüsch, Teleflex), or experimental group B, patients who received silicone stents (Cook Medical). Each participant completed a survey 1 h after stent insertion, in the middle of the stent dwelling period, and before stent removal or ureteroscopy noting body pain and overactive bladder via the visual analog scale pain (VASP) and overactive bladder (OAB) awareness tool, respectively. Additionally, successfulness of stent placement, hematuria, number of unplanned visits, and stent encrustation rates were assessed within each group.Results: A total of 50 patients participated in the study, control group A consisted of 20 patients and experimental group B consisted of 30 patients. Participants in group B, silicone ureteral stents, demonstrated significantly lower mean values of VASP 2 weeks prior to stent removal and promptly before stent removal (p = 0.023 and p = 0.014, respectively). No other comparisons between the two groups were statistically significant.Conclusions: Compared to polyurethane ureteral stents, silicone ureteral stents are associated with lower body pain intensity assessed by VASP 2 weeks before stent removal and at the time of stent removal.Trial Registration: Current Controlled Trials NCT04000178. Retrospectively registered on June 26, 2019. [ABSTRACT FROM AUTHOR]

Purpose: To properly use the Ureteric Symptom Score Questionnaire (USSQ) to evaluate, in a randomized control study, the effect of tamsulosin, solifenacin, and their combination in improving symptoms and quality of life in patients with indwelling ureteral stents. Materials and Methods: After institutional review board approval, 260 patients with a ureteral stent were randomly assigned to receive tamsulosin 0.4 mg, solifenacin 5 mg, or placebo and further randomized to receive their combination. The validated USSQ was completed 1 and 4 weeks after stent insertion and 4 weeks after stent removal. Kruskal-Wallis test, chi-squared test (or Fisher's exact test), one-way analysis of variance, and T-test (or Wilcoxon rank-sum test if not normal data) were used for statistical analysis. The results were considered significant at p < 0.05. Results: Patients receiving tamsulosin or solifenacin expressed significantly lower urinary ( p < 0.001), pain ( p < 0.001 with stent in situ), and general health index ( p = 0.002 in first and p < 0.001 in fourth week with stent in situ) scores. Sexual life and quality of work were also positively influenced. Patients on combination therapy expressed lower urinary ( p < 0.001) and pain ( p < 0.001) scores in the fourth week with stent in situ and work performance in the first week and with stent in situ ( p = 0.001) and after stent removal ( p = 0.005). No patients had to discontinue medication due to side effects. Conclusions: Stent-related morbidity is a reality in the majority of patients. Simple medication, such as tamsulosin and solifenacin alone or in combination, improves stent-related symptoms and has a positive impact on quality of life. [ABSTRACT FROM AUTHOR]