Neurourology and urodynamics
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People requiring long-term bladder draining with an indwelling catheter can experience catheter blockage. Regimens involving different solutions can be used to wash out catheters with the aim of preventing blockage. ⋯ The data from five trials comparing differing washout policies were sparse and trials were generally of poor quality or poorly reported. The evidence was too scant to conclude whether or not washouts were beneficial. Further rigorous, high quality trials with adequate power to detect any benefit from washout rather than no washout being performed are required in the first instance. After that, trials comparing different washout solutions, washout volumes, frequencies/timings, and routes of administration are needed.