Cross-organ sensitization between the colon and bladder: to pee or not to pee?

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15 Citations (Scopus)

Abstract

Chronic abdominal and pelvic pain are common debilitating clinical conditions experienced by millions of patients around the globe. The origin of such pain commonly arises from the intestine and bladder, which share common primary roles (the collection, storage, and expulsion of waste). These visceral organs are located in close proximity to one another and also share common innervation from spinal afferent pathways. Chronic abdominal pain, constipation, or diarrhea are primary symptoms for patients with irritable bowel syndrome or inflammatory bowel disease. Chronic pelvic pain and urinary urgency and frequency are primary symptoms experienced by patients with lower urinary tract disorders such as interstitial cystitis/painful bladder syndrome. It is becoming clear that these symptoms and clinical entities do not occur in isolation, with considerable overlap in symptom profiles across patient cohorts. Here we review recent clinical and experimental evidence documenting the existence of “cross-organ sensitization” between the colon and bladder. In such circumstances, colonic inflammation may result in profound changes to the sensory pathways innervating the bladder, resulting in severe bladder dysfunction.

Original languageEnglish
Pages (from-to)G301-G308
Number of pages8
JournalAmerican Journal of Physiology-Gastrointestinal and Liver Physiology
Volume314
Issue number3
DOIs
Publication statusPublished - 1 Mar 2018

Keywords

  • dorsal root ganglia
  • inflammation
  • Nociceptor
  • Nocturia
  • sensory afferents
  • urgency
  • Dorsal root ganglia
  • Nociceptors
  • Inflammation
  • Urgency
  • Sensory afferents

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