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J Formos Med Assoc. 2011 Dec;110(12):787-91. doi: 10.1016/j.jfma.2011.11.010. Epub 2011 Dec 27.

Ketamine-snorting associated cystitis.

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1
Department of Urology, Taichung Hospital, Department of Health, Executive Yuan, Taichung, Taiwan, ROC.

Abstract

Ketamine hydrochloride, commonly used as a pediatric anesthetic agent, is an N-methyl-D-aspartic (NMDA) acid receptor antagonist with rapid onset and short duration of action. It produces a cataleptic-like state where the patient is dissociated from the surrounding environment by direct action on the cortex and limbic system. It has emerged as an increasingly popular choice among young drug users, especially within dance club venues. Cases of bladder dysfunction among recreational ketamine users were reported since Shahani et al first reported nine cases of ketamine-associated ulcerative cystitis in 2007. We report on four patients who had history of ketamine abuse, presenting with dysuria, fluctuating lower urinary tract symptoms (LUTS), lower abdominal or perineal pain, and impaired functional bladder capacities. Urinalysis showed pyuria and microhematuria. Urine culture was sterile. Bladder ulceration with severe diffuse hemorrhage and low bladder capacity were noted under anesthetized cystoscopic examination. Transurethral bladder mucosa biopsy was consistent with chronic cystitis. Cessation of ketamine abuse was the milestone of treatment, followed by the administration of mucosal protective agents, such as pentosan polysulphate or hyaluronic acid. Suprapubic pain was improved in three patients during follow-up. However, the outcome of treatment depends on the severity of the disease process, similar to that of interstitial cystitis (IC).

PMID:
22248834
DOI:
10.1016/j.jfma.2011.11.010
[Indexed for MEDLINE]
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