Methods 40 patients were divided into two groups: 20 were treated by traditional retention enema, and the other 20 were treated by the improved retention enema.

• 方法慢性肾功能衰竭患者40例,分为传统灌肠法组及改进灌肠法组各20例,采用中药保留灌肠治疗,观察两种方法灌肠液在肠腔内保留时间及病人满意度。