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2001 JUN 28 - (NewsRx Network) -- Researchers at Vanderbilt University Medical Center, Nashville, Tennessee, have discovered a potential role of Chlamydia pneumoniae in the pathogenesis of interstitial cystitis (IC).
Interstitial cystitis is a syndrome characterized by urinary frequency, urgency, nocturia, and pain with bladder filling. Some patients have significant bladder inflammation, and a few have ulcers, scarring, and stiffening. Diagnosis is based on symptoms, findings on cystoscopy and biopsy, and elimination of other treatable causes, such as infection. Because doctors do not know what causes IC, treatments are aimed at relieving symptoms.
The C. pneumoniae organism, first described in 1988, is an airborne organism transmitted via cough. As an obligate intracellular parasite, it is difficult to detect by routine cultures, can cause chronic infections, and may not elicit an acute inflammatory response. C. pneumoniae is commonly associated with respiratory tract infection, but has also been implicated in the development of coronary artery plaques.
The data, using polymerase chain reaction (PCR) analysis of urine, revealed that 81% of patients with IC and 16% of controls were positive for C. pneumoniae, suggesting a potential role for this organism in the development of IC.
Seventeen patients with IC as outlined by NIADDK criteria and six control patients underwent bladder biopsy. Selection of ...