Pathophysiology of interstitial cystitis

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Abstract
Despite being described over 80 years ago, interstitial cystitis remains a disease of undetermined aetiology and poor treatment outcomes. Generally agreed diagnostic criteria of this condition, which occurs primarily in females, are frequency, urgency and pain, a low-capacity hypersensitive bladder, and mucosal haemorrhages and tearing on bladder distention. Although current theories of pathophysiology are predominantly conjecture, important elements of the disease process are increased afferent and efferent neuronal activity, an excess of inflammatory mediators, increased epithelial permeability and possibly reduced bladder vascularity. Improved treatment outcome will follow a better understanding of pathophysiology.