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Our aim was to estimate the prevalence-based cost of illness imposed by nocturia (a 2 nocturnal voids per night) in Germany, Sweden, and the UK in an average year. Information obtained from a systematic review of published literature and clinicians was used to construct an algorithm depicting the management of nocturia in these three countries. This enabled an estimation of (1) annual levels of healthcare resource use, (2) annual cost of healthcare resource use, and (3) annual societal cost arising from presenteeism and absenteeism attributable to nocturia in each country. In an average year, there are an estimated 12.5, 1.2, and 8.6 million patients a 20 years of age with nocturia in Germany, Sweden, and the UK, respectively. In an average year in each country, respectively, these patients were estimated to have 13.8, 1.4, and 10.0 million visits to a family practitioner or specialist, similar to 91,000, 9000, and 63,000 hospital admissions attributable to nocturia and 216,000, 19,000, and 130,000 subjects were estimated to incur a fracture resulting from nocturia. The annual direct cost of healthcare resource use attributable to managing nocturia was estimated to be approximately a,notsign2.32 billion in Germany, 5.11 billion kr (a,notsign0.54 billion) in Sweden, and A 1.35 pound billion (a,notsign1.77 billion) in the UK. The annual indirect societal cost arising from both presenteeism and absenteeism was estimated to be approximately a,notsign20.76 billion in Germany and 19.65 billion kr (a,notsign2.10 billion) in Sweden. In addition, in the UK, the annual indirect cost due to absenteeism was an estimated A 4.32 pound billion (a,notsign5.64 billion). Nocturia appears to impose a substantial socioeconomic burden in all three countries. Clinical and economic benefits could accrue from an increased awareness of the impact that nocturia imposes on patients, health services, and society as a whole. Funding Agencies|Ferring Pharmaceuticals, Copenhagen, Denmark

Background Stress urinary incontinence (SUI) is a frequent adverse effect for men undergoing prostate surgery. A large proportion (around 8% after radical prostatectomy and 2% after transurethral resection of prostate (TURP)) are left with severe disabling incontinence which adversely effects their quality of life and many are reliant on containment measures such as pads (27% and 6% respectively). Surgery is currently the only option for active management of the problem. The overwhelming majority of surgeries for persistent bothersome SUI involve artificial urinary sphincter (AUS) insertion. However, this is expensive, and necessitates manipulation of a pump to enable voiding. More recently, an alternative to AUS has been developed – a synthetic sling for men which elevates the urethra, thus treating SUI. This is thought, by some, to be less invasive, more acceptable and less expensive than AUS but clear evidence for this is lacking. The MASTER trial aims to determine whether the male synthetic sling is non-inferior to implantation of the AUS for men who have SUI after prostate surgery (for cancer or benign disease), judged primarily on clinical effectiveness but also considering relative harms and cost-effectiveness. Methods/design Men with urodynamic stress incontinence (USI) after prostate surgery, for whom surgery is judged appropriate, are the target population. We aim to recruit men from secondary care urological centres in the UK NHS who carry out surgery for post-prostatectomy incontinence. Outcomes will be assessed by participant-completed questionnaires and 3-day urinary bladder diaries at baseline, 6, 12 and 24 months. The 24-h urinary pad test will be used at baseline as an objective assessment of urine loss. Clinical data will be completed at the time of surgery to provide details of the operative procedures, complications and resource use in hospital. At 12 months, men will also have a clinical review to evaluate the results of surgery (including another 24-h pad test) and to identify problems or need for further treatment. Discussion A robust examination of the comparative effectiveness of the male synthetic sling will provide high-quality evidence to determine whether or not it should be adopted widely in the NHS. Trial registration International Standard Randomised Controlled Trial Registry: Number ISRCTN49212975. Registered on 22 July 2013. First patient randomised on 29 January 2014. Electronic supplementary material The online version of this article (10.1186/s13063-018-2501-2) contains supplementary material, which is available to authorized users.

The cost-effectiveness of onabotulinumtoxinA (BOTOX(®)) 100 U + best supportive care (BSC) was compared with BSC alone in the management of idiopathic overactive bladder in adult patients who are not adequately managed with anticholinergics. BSC included incontinence pads and, for a proportion of patients, anticholinergics and/or occasional clean intermittent catheterisation. A five-state Markov model was used to estimate total costs and outcomes over a 10-year period. The cohort was based on data from two placebo-controlled trials and a long-term extension study of onabotulinumtoxinA. After discontinuation of initial treatment, a proportion of patients progressed to downstream sacral nerve stimulation (SNS). Cost and resource use was estimated from a National Health Service perspective in England and Wales using relevant reference sources for 2012 or 2013. Results showed that onabotulinumtoxinA was associated with lower costs and greater health benefits than BSC in the base case, with probabilistic sensitivity analysis indicating an 89 % probability that the incremental cost-effectiveness ratio would fall below £20,000. OnabotulinumtoxinA remained dominant over BSC in all but two scenarios tested; it was also economically dominant when compared directly with SNS therapy. In conclusion, onabotulinumtoxinA appears to be a cost-effective treatment for overactive bladder compared with BSC alone.

Background: To assess treatment persistence and adherence in men ≥45 years of age with lower urinary tract symptoms (LUTS) associated with benign prostatic hyperplasia (BPH), using prescription records from the Netherlands IMS Lifelink™ LRx database. Methods: In this retrospective, observational cohort study, we identified men who received combination therapy with an α-blocker plus an antimuscarinic (e.g. solifenacin or tolterodine) between 1 November 2013 and 31 October 2014. Treatment could be received as a fixed-dose combination (FDC) tablet or as two drugs administered together (concomitant therapy), if both combination drugs were prescribed within 30 days. The primary objective was to assess treatment persistence, defined as the time from initiation of combination therapy until first discontinuation of the FDC or at least one of the drugs given concomitantly (i.e. ≥30 days without prescription renewal). Subgroup and sensitivity analyses were conducted to assess persistence by antimuscarinic agent, and with different gap lengths used to define discontinuation (45, 60 and 90 days), respectively. Results: A total of 1891 men received an α-blocker plus an antimuscarinic (FDC, N = 665; concomitant therapy, N = 1226). Median time to discontinuation was significantly longer with FDC versus concomitant therapy (414 vs. 112 days; adjusted hazard ratio [HR] 2.04, 95% confidence interval 1.77, 2.35; p < 0.0001). Persistence at 12 months (51.3% vs. 29.9%) was also significantly greater with FDC compared with concomitant therapy. Assessment of antimuscarinic subgroups showed that median time to discontinuation was longest with solifenacin combinations (214 days) compared with other antimuscarinic combinations (range, 47-164 days; adjusted HR range, 1.27-1.77, p = 0.037). No observable impact on treatment persistence was found by adjusting the gaps used to define discontinuation. Discussion: This study of real-world evidence of men with LUTS/BPH treated with α-blocker plus antimuscarinic combination therapy in the Netherlands showed that treatment persistence was significantly greater in those who received a FDC tablet compared with combination therapy given concomitantly. The study also shows that treatment persistence was extended in men who received combination therapy containing solifenacin compared with other antimuscarinics. Conclusions: Overall, these findings may be useful for prescribers, as improved persistence on-treatment may translate into improved outcomes for men with LUTS/BPH. Further study is warranted to establish the key drivers of persistence in men receiving combination therapy for LUTS/BPH.

Detrusor underactivity (DUA) is defined as a voiding contraction of reduced strength and/or duration, which prolongs urination and/or prevents complete emptying of the bladder within a 'normal' period of time. This issue is associated with voiding and postmicturition urinary symptoms, and can predispose to urinary infections and acute urinary retention. The aetiology of DUA is influenced by multiple factors, including ageing, bladder outlet obstruction, neurological disease, and autonomic denervation. The true prevalence of this condition remains unknown, as most data come from referral populations. Urodynamic testing is used to diagnose the condition, either by assessing the relationship between bladder pressures and urinary flow, or by interrupting voiding to measure detrusor pressure change under isovolumetric conditions. Current treatments for DUA have poor efficacy and tolerability, and often fail to improve quality of life; muscarinic receptor agonists, in particular, have limited efficacy and frequent adverse effects. Bladder emptying might be achieved through Valsalva straining, and intermittent or indwelling catheterization, although sacral nerve stimulation can reduce dependency on catheterization. Novel stem-cell-based therapies have been attempted; however, new drugs that increase contractility are currently largely conceptual, and the complex pathophysiology of DUA, difficulty achieving organ specificity of treatment, the limited availability of animal models, and the subjective nature of current outcome measures must be addressed to facilitate the development of such agents.

To determine the feasibility of using the pelvic toner device (PTD) in aiding pelvic floor muscle training (PFMT) METHODS: Forty women, aged at least 18 years with symptoms of pure stress urinary incontinence (SUI) or stress-predominant mixed urinary incontinence were randomly assigned to standard PFMT (ST group), or to PFMT and additional PTD (PTD group). They were evaluated throughout a treatment period of 16 weeks, and followed up 6 months after the active treatment period, using International Consultation on Incontinence Questionnaires (ICIQ), bladder diaries, and other subjective outcome measures for symptom improvement.Twenty-four women were randomised to ST and 28 to PTD. Twelve women did not complete therapy and analysis was performed on 19 randomised to ST and 21 randomised to PTD on a per protocol basis. The two groups showed statistically significant symptom improvement in ICIQ responses, both at 16 weeks and at 6 months. There was no significant difference between the groups regarding improvement in SUI (ST 52.6%, PTD 52.4%) at 16 weeks. At 6 months after the active treatment period, 60% of women (50%, 8 in the PTD group and 71.4 %, 10 in the ST group) were still doing pelvic floor exercises. The sample difference observed was not statistically significant. Some women reported that the device helped with confidence that the correct muscles were being contracted, and helped motivation to sustain PFMT.This pilot study demonstrates the feasibility of PTD for aiding PFMT. It is a safe and well-tolerated adjunct in PFMT, which increases patient choice.

Voiding dysfunction becomes increasingly prevalent with ageing. Clean intermittent self-catheterisation (ISC) is associated with a lower morbidity than indwelling transurethral or suprapubic catheterisation. However, doctors and patients sometimes fail to consider ISC as an option because of a perception it will be unmanageable or poorly tolerated. This study aimed to determine how age and gender affect the success rates of patients being taught ISC. Six years retrospective study (January 2004–January 2010) of non-neurogenic patients referred to be taught ISC by urology specialist nurses in a tertiary referral hospital. Patients were sent information about ISC in advance of their appointment, were given additional information at the appointment, received training under supervision and had access to follow-on support. Successful patients were those who continued to perform the technique independently at 6-week follow-up. Three hundred and nine patients (209 men, 100 women) with a mean age of 63 years (range 17–95 years) were taught ISC during the study period and had documented follow-up. The main reasons for needing ISC were incomplete bladder emptying (46%), urethral stricture disease (20%) and inability to void (18%). The overall ISC success rate was 84% for all age groups, 86% for patients under the age of 65 and 82% for those aged 65 years and over. Men had a higher success rate than women (88 and 76%, respectively). Older patients can successfully be taught ISC in a high proportion, and it can be offered as an alternative to an indwelling catheter irrespective of age.

Many people are affected by urinary urgency, which can be highly bothersome. Urgency is the cornerstone symptom of overactive bladder (OAB), commonly occurring in conjunction with urinary frequency and nocturia. Once other medical causes of similar symptoms have been excluded, first-line OAB management comprises fluid intake advice and bladder training, supplemented by antimuscarinic drugs if necessary. Urodynamic confirmation of the diagnosis is required for OAB patients whose symptoms are refractory to first-line interventions. If patients are severely bothered by OAB despite optimization of medical treatment, they may proceed to invasive treatments, including neuromodulation, enterocystoplasty, detrusor myectomy, or urinary diversion. Our burgeoning understanding of the complex cellular, neural and integrative physiology of the bladder offers new insights into the causative mechanisms of OAB, and reasons why patients sometimes fail to respond to treatment. Study of sensory information pathways in the lower urinary tract has led to identification of the urothelium, afferent nerves and interstitial cells as key cellular elements in OAB. In-depth knowledge of the hierarchy of central nervous system control is lacking, but functional imaging is beginning to elucidate the challenges that lie ahead. New treatments under investigation include botulinum neurotoxin-A injection, oral β(3)-adrenergic agonists, and novel modalities for nerve stimulation. The subjective nature of urinary urgency, the lack of animal models and the multifactorial pathophysiology of OAB present significant challenges to effective clinical management.

In recent years, botulinum-A neurotoxin has increasingly been used to manage lower urinary tract symptoms, including overactive bladder and detrusor overactivity (DO), either due to neurogenic or idiopathic etiology. Techniques, doses, and preparation vary. Although many studies have reported promising results regarding efficacy, potential adverse effects, particularly urinary retention, have been less comprehensively reported. We performed a critical review of published studies evaluating botulinum treatment for overactive bladder and its reported effects on voiding function. Acute urinary retention is recognized, though rare. Chronic urinary retention is inconsistently reported; it appears to be more common in neurogenic DO, but it can occur in idiopathic DO. Increased postvoid residuals have been reported by several studies, but the clinical significance that investigators attach to the observation varies. The detrimental effect of retention on quality of life can be considerable. Accordingly, patients should be fully counseled on the risks of urinary retention and trained in intermittent catheterization before the procedure. Postvoid residual assessment should be part of follow-up and patients should be warned of possible presentations.

Nearly all gynecological procedures have been reported to cause ureteric injury, with an incidence of 0.4%-2.5% for non-malignant conditions. The incidence is rising as more ambitious operations are undertaken laparoscopically. Risk factors for ureteric injury include cancer, hemorrhage, endometriosis, adhesions and an enlarged uterus. Types of injury include ligation, crush, laceration, avulsion, stretch and devascularization. The diagnosis may be obvious intraoperatively, but postoperative presentation with loin pain, pyrexia, fistula or non-specific signs is more common. A significant number are asymptomatic. Early diagnosis is vital, and urological investigation should be considered in any patient who is not recovering as expected. Injuries recognized intraoperatively should be repaired during the same operation. Delayed recognized injuries are being managed conservatively with increasing success in selected cases. Early operative repair achieves good results unless the injury is severe. Litigation is less likely if the diagnosis is prompt, repair is successful and the patient is treated with consideration.

The bladder is vulnerable to the adverse effects of drugs because of its complex control and the frequent excretion of drug metabolites in the urine. Incontinence results when bladder pressure exceeds sphincter resistance. Stress incontinence because of sphincter weakness occurs with antipsychotics and alpha-blockers, especially in women. Urge incontinence and irritative symptoms may be caused by drugs. Anticholinergics, anaesthetics and analgesics cause urinary retention because of failure of bladder contraction. They are more likely to cause retention in men because of prostatic enlargement. Cyclophosphamide and tiaprofenic acid can cause chemical cystitis, and should be withdrawn if a patient develops irritative symptoms or haematuria. Cyclophosphamide may also induce bladder tumours. Adverse effects of cyclophosphamide can be reduced with prophylactic administration of mesna and adequate hydration. Mitomycin, doxorubicin or bacillus Calmette-Guerin (BCG) instilled locally to treat bladder tumours can cause cystitis, contracture and calcification. Their administration should be limited to 1 hour per week for a maximum of 8 weeks. Retroperitoneal fibrosis and urine discolouration may be caused by drugs. Ureteric calculi may result from any drug causing nephrolithiasis.