• Tong Sun, Junwen Guan, Jingguo Yang, Yikai Yuan, Yicheng Zhou, and Chao You.
• Department of Neurosurgery.
• Medicine (Baltimore). 2020 Aug 28; 99 (35): e21872.

BackgroundExternal lumbar drainage (ELD) remains the most common used methods with a higher sensitivity before lumboperitoneal shunt (LPS) implantation to predict the shunt outcomes in the treatment of idiopathic normal pressure hydrocephalus. However, the benefits of such supplemental test have not been tested in the treatment of post-hemorrhagic hydrocephalus (PHH).Methods And DesignIn the current trial, 100 eligible patients with PHH will be recruited and randomly assigned to the ELD group (study group) and non-ELD group (control group). Lumbar puncture (LP) will be performed for participants in non-ELD group. LP plus ELD will be performed for participants in ELD group, those who will then be investigated the suitability of potential LPS 4 days after ELD. Two independent and practiced assessors will collect the baseline data and evaluate each participant 4 days after ELD or LP, 1 day after LPS, at the time of discharge and 1 month after LPS. The primary outcome is the shunting outcomes 1 month after surgery. The secondary outcomes include the complications related to ELD, complications related to LPS, and Evens index at each evaluation point. Meanwhile, serious adverse events occurring at any time is recorded to determine the safety of this trial.DiscussionThe results of this trial will demonstrate whether preoperative evaluation using temporary ELD for patients with PHH could attenuate the risk of LPS failure.Trial Registration NumberChiCTR2000034094; Pre-results.

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