Hong Kong Med J 2011;17:267–63 | Number 4, August 2011
Urinary symptoms and impaired quality of life in female ketamine users: persistence after cessation of use
Rachel YK Cheung, Symphorosa SC Chan, Jacqueline HS Lee, Albe WL Pang, KW Choy, Tony KH Chung
Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong
OBJECTIVE. To compare the urinary symptoms and quality of life in ex-ketamine abusers and controls.
DESIGN. Prospective observational study.
SETTING. A hospital in Hong Kong.
PATIENTS. Female ex-ketamine abusers admitted to a local drug rehabilitation centre and age-matched controls attending a general gynaecology clinic between December 2009 and April 2010.
MAIN OUTCOME MEASURES. Evaluation of urinary symptoms based on a 3-day bladder diary, and responses to the Urogenital Distress Inventory Short Form (UDI-6) and the Incontinence Impact Questionnaire Short Form (IIQ-7). The study group had repeat measurements 3 months later.
RESULTS. Overall, 90% of ex-ketamine abusers had active urinary symptoms. On average, they had increased 24-hour urinary frequency (10.0 vs 5.8; P=0.001) and lower maximum voided volume (253.3 mL vs 401.9 mL; P
CONCLUSION. Female ex-ketamine abusers had significant urinary symptoms affecting their quality of life when studied at a mean of 8 (range, 0.5-48) months after cessation of use. The symptom severity was inversely correlated with the duration of cessation; though they improved with time, some still persisted.
Key words: Female urogenital diseases; Ketamine; Quality of life; Substance-related disorders; Urinary incontinence
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