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Impact of randomized controlled trials on neurosurgical practice in decompressive craniectomy for ischemic stroke

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Abstract

Randomized controlled trials (RCTs) are gold standard for comparing treatment modalities. Recently, RCTs transformed ischemic stroke care by first proving benefit of decompressive craniectomy (DC) and later of interventional mechanical thrombectomy. Aim of this study was to explore the impact of RCTs on neurosurgical practice. RCTs investigating DC and thrombectomy were identified. Annual numbers of DCs for ischemic stroke between 2000 and 2017 were determined and correlated with publication dates of RCTs. The initial RCTs demonstrating efficacy of DC were published in 2007, followed by an increase in DC numbers between 2008 and 2009. The first RCTs on mechanical thrombectomy were published in 2014 and 2015, with a decline in DCs observed between 2015 and 2016. There is a close temporal relationship between publication of these RCTs and changes in neurosurgical practice. Dynamics of annual DCs appear to correlate with the publication of RCTs. Significantly positive results of surgical and interventional RCTs were translated into clinical practice with a latency of 1 year, as reflected by shifts in annual DC numbers.

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This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

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  1. Department of Neurosurgery, Medical Faculty, Heinrich-Heine-University, Moorenstr. 5, 40225, Düsseldorf, Germany

    Thomas Beez & Hans-Jakob Steiger

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  1. Thomas Beez
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  2. Hans-Jakob Steiger
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Correspondence to Thomas Beez.

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This study was performed in accordance with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. Informed consent was not required, as this study did not directly involve patients, but was based on anonymous data, which is in similar form publicly available in legally required annual hospital quality reports.

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The authors declare that they have no conflict of interest.

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Beez, T., Steiger, HJ. Impact of randomized controlled trials on neurosurgical practice in decompressive craniectomy for ischemic stroke. Neurosurg Rev 42, 133–137 (2019). https://doi.org/10.1007/s10143-018-0967-8

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