• Lin Zhu, Hanwei Ke, Qi Wang, and Kexin Xu.
• Department of Dermatology, Sexually Transmitted Diseases, and Medical Aesthetics, Affiliated Beijing Chaoyang Hospital of Capital Medical University, Beijing, China.
• Medicine (Baltimore). 2024 Sep 20; 103 (38): e39640e39640.

AbstractThis study aims to clarify the pathogenic mechanism of interstitial cystitis (IC), which has led to uncertainty in its diagnosis and treatment. We examined data from 18 interstitial cystitis with Hunner lesions (HIC) and 18 interstitial cystitis without Hunner lesions (NHIC) patients, including their clinical information, urodynamic test results, and maximum bladder capacity. A 1-year follow-up tracked disease progression. Postoperative recovery showed that HIC patients experienced significantly greater improvements in Visual Analog Scale pain scores compared to NHIC patients (P = .0049). This trend continued at the 6-month mark (P = .0056). Over the 1-year follow-up, NHIC patients exhibited a statistically significant improvement in Pain and Urgency/Frequency scores, while HIC patients had a gradual overall score increase from preoperative to postoperative stages. However, no significant differences were observed in either group at 1 year postoperatively compared to preoperative scores. This study revealed distinct differences between HIC and NHIC patients, including reduced bladder volumes and more severe nociceptive pain in HIC patients. Early analgesic interventions effectively alleviated discomfort in HIC patients. The combination of cystoscopic hydrodistention and water dilatation was highly effective in relieving pain symptoms in HIC patients but increased the risk of recurrence, necessitating recurrent bladder infusion and timely therapeutic adjustments. In contradiction to prior paradigms, the surgical intervention of cystoscopic water hydrodistention also yielded favorable outcomes among NHIC patients.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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