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Year : 2019  |  Volume : 30  |  Issue : 5  |  Page : 232-237

Augmentation enterocystoplasty for patients with ketamine-induced cystitis: An 8-year experience and a review of series

1 Division of Urology, Department of Surgery, Cathay General Hospital, Taipei, Taiwan
2 Department of Anatomic Pathology, Cathay General Hospital, Taipei, Taiwan
3 Division of Urology, Department of Surgery, Sijhih Cathay General Hospital; School of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan, R.O.C, Taiwan

Correspondence Address:
Chih-Ming Lin
Division of Urology, Department of Surgery, Cathay General Hospital, No. 280 Renai Rd. Sec. 4, Taipei
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/UROS.UROS_46_18

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Purpose: Ketamine abuse has been a worldwide issue recently. Ketamine-induced cystitis (KC) is an annoying urinary tract symptom secondary to long-term ketamine abuse. The aim of our study is to review clinical outcomes of bladder augmentation enterocystoplasty (AE) for the patients with KC. Materials and Methods: We performed bladder AE for eight patients with refractory symptoms of KC (severe bladder pain, micturition pain, urgency, frequency, and contracted bladder). All the patients received conservative treatment at clinics or referred from other hospital. Results: Between 2007 and 2015, eight patients (seven males and one female), aged 26–48 years (mean 32.7 years), underwent AE as indicated. The duration of ketamine abuse ranged from 2 to 15 years (mean 6.8 years). Contracted bladder was noted in all patients, hydronephrosis in two and hydroureter in one under intravenous pyelography. Postoperative hospitalization ranged from 12 to 47 days (mean 22.4 days). Significant increases in estimated glomerular filtration rate (86.43 ± 21.47 vs. 103.14 ± 29.32 ml/min/1.73 m2,P < 0.05), functional bladder capacity (47.75 ± 10.07 vs. 273.13 ± 54.96 ml,P < 0.0001), and pain visual analog score (6.0 ± 1.2 vs. 1.75 ± 0.89,P < 0.0001) were noted after AE. Surgical complications included adhesion ileus, progressive impaired renal function, and enterovesical fistula. All the patients were satisfied with the outcomes of the surgery, based on their responses to the self-report questionnaires. All patients reported marked improvement in micturition pain and urinary frequency, which greatly elevated life quality. Most patients were followed up at the outpatient department within 1 year or were lost to follow-up after surgery. Conclusion: This case series demonstrated that for surgical management of refractory bladder pain and low bladder capacity resulting from KC, AE might be effective. However, cessation of ketamine use is the most important to prevent recurrence of the above symptoms.

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