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Aims of Study: The Bladder Pain Syndrome Committee of the International Consultation on Incontinence was assigned the task by the consultation of reviewing the syndrome, formerly known as interstitial cystitis, in a comprehensive fashion. This included the topics of definition, nomenclature, taxonomy, epidemiology, etiology, pathology, diagnosis, symptom scales, outcome assessment, principles of management, specific therapies, and future directions in research., Study Design, Materials, Methods: The emphasis was on new information developed since the last consultation 4 years previously. Where possible, existing evidence was assessed and a level of recommendation was developed according to the Oxford system of classification., Results: The consultation decided to refer to the condition as "bladder pain syndrome" (BPS) because the designation is more descriptive of the clinical condition and better fits standard classification taxonomy. Reasonable definitions of BPS include the definition of the ESSIC European group and a slight modification made at a SUFU sponsored Miami meeting in early 2008. Males or females with pain, pressure, or discomfort that they perceive to be related to the bladder with at least one urinary symptom, such as frequency not obviously related to high fluid intake, or a persistent urge to void should be evaluated for possible BPS. The initial assessment consists of a frequency/volume chart, focused physical examination, urinalysis, and urine culture. Urine cytology and cystoscopy are recommended if clinically indicated. Treatment progresses from conservative management through various oral and intravesical therapies, with most surgical therapies reserved for unresponsive cases. Pain management is critical throughout the treatment process. The consultation believes that the disorder is best viewed as one of a group of chronic pain syndromes, rather than as primarily an inflammatory bladder disorder. Recommendations for future research pathways are suggested.

A clinical guideline and algorism for interstitial cystitis and hypersensitive bladder syndrome has been developed by a group of East Asian urologists as a revised form of the Japanese guideline for interstitial cystitis. The guideline defines interstitial cystitis (IC) as a disease of the urinary bladder diagnosed by 3 requirements; 1) a characteristic complex of lower urinary tract symptoms, 2) bladder pathology such as Hunner's ulcer and bladder bleeding after overdistension, and 3) exclusions of confusable diseases. The characteristic symptom complex is termed as hypersensitive bladder syndrome (HBS), which is defined as bladder hypersensitivity, usually associated with urinary frequency, with or without bladder pain. For the definite diagnosis of IC, cytoscopy or hydrodistension is crutial; HBS is the diagnosis when IC is suspected but not confirmed by the 3 requirements. Numerous therapeutic options are available; however, most of them lack in high level of evidence, leaving a few as recommended therapies. Etiology of IC are multifactorial; the interaction among nervous, immune and endocrine factors forms a vicious cycle, provocating and maintaining inflammatory reactions in the bladder. The inclusion and efficacy criteria for clinical trials should be standardized to enhance the clinical research for this disabling disease, which has proved to be more prevalent than previously believed.

Clinical guidelines for interstitial cystitis and hypersensitive bladder have been updated as of 2015. The guidelines define interstitial cystitis by the presence of hypersensitive bladder symptoms (discomfort, pressure or pain in the bladder usually associated with urinary frequency and nocturia) and bladder pathology, after excluding other diseases explaining symptoms. Interstitial cystitis is further classified by bladder pathology; either Hunner type interstitial cystitis with Hunner lesions or non-Hunner type interstitial cystitis with mucosal bleeding after distension in the absence of Hunner lesions. Hypersensitive bladder refers to a condition, where hypersensitive bladder symptoms are present, but bladder pathology or other explainable diseases are unproven. Interstitial cystitis and hypersensitive bladder severely affect patients' quality of life as a result of disabling symptoms and/or comorbidities. Reported prevalence suggestive of these disorders varies greatly from 0.01% to >6%. Pathophysiology would be an interaction of multiple factors including urothelial dysfunction, inflammation, neural hyperactivity, exogenous substances and extrabladder disorders. Definite diagnosis of interstitial cystitis and hypersensitive bladder requires cystoscopy with or without hydrodistension. Most of the therapeutic options lack a high level of evidence, leaving a few as recommended therapeutic options. [ABSTRACT FROM AUTHOR]

Objectives: First desire to void (FDV) is defined as the first feeling that would lead the patient to pass urine. The aim of the present study is to identify the brain regions activated during FDV. Methods: Six healthy right-handed male volunteers, aged 31–40 years, agreed to participate in this study. Rather than inserting a urethral catheter, we used a urinary volume monitoring unit and a self-adhesive external condom catheter for this study. Positron emission tomography (PET) scans obtained in the FDV and post-voiding (absence of urge to void) (REST) states were analyzed and compared. Results: First desire to void state was associated with increased blood flow in the right and left cerebellum, right parahippocampal gyrus (Brodmann area [BA] 30), left superior frontal gyrus (BA9), and left cingulate gyrus (BA32). Rest state was associated with decreased blood flow in the right superior temporal gyrus (BA22), right uncus (BA28), right cingulate gyrus (BA32), left middle temporal gyrus (BA21), and left medial frontal gyrus (BA25). According to region of interest analysis, regional cerebral blood flow of the periaqueductal grey and pons was significantly increased at FDV as opposed to REST. Conclusions: We located possible brain activity associated with the FDV sensation. Combined activation of the right and left cerebellum, parahippocampal gyrus, superior frontal gyrus, and left cingulate gyrus could be associated with FDV. [ABSTRACT FROM AUTHOR]

Focuses on the relationship of interstitial cystitis and frequency-urgency syndrome. Possibility of organic abnormality; Treatment options.

Focuses on the history of the International Consultation on Interstitial Cystitis. Absence of abnormal urinalysis problems.

Focuses on clinical symptom scales for interstitial cystitis for diagnosis and for following the course of the disease. Quantification of patients; Measurement of treatment outcome.