The aims of this study were to investigate the prevalence of upper tract involvement in ketamine-associated uropathy, and to determine the predictors of hydronephrosis in patients with a history of ketamine abuse.

中文翻译：

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氯胺酮相关性尿病患者上尿路受累的风险。

这项研究的目的是调查氯胺酮相关性尿病中上层受累的患病率，并确定有氯胺酮滥用史的患者肾盂积水的预测因素。