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  • Title: Prophylactic use of dural tenting sutures in elective craniotomies in adults-is it necessary? A study protocol for a multicentre, investigator- and participant-blinded randomised, parallel-group, non-inferiority trial.
    Author: Kunert P, Przepiórka Ł, Fortuniak J, Wiśniewski K, Bobeff EJ, Larysz P, Kruk R, Kulesza B, Szczepanek D, Ładziński P, Żyłkowski J, Kujawski S, Łabędzka K, Jaskólski D, Rola R, Trojanowski T, Marchel A.
    Journal: Trials; 2021 Apr 12; 22(1):273. PubMed ID: 33845888.
    Abstract:
    BACKGROUND: In the early days of neurosurgery, extradural haemorrhages (EDHs) contributed to a high mortality rate after craniotomies. Almost a century ago, Walter Dandy reported dural tenting sutures as an effective way to prevent postoperative EDH. Over time, his technique gained in popularity and significance to finally become a neurosurgical standard. Yet, several retrospective reports and one prospective report have questioned the ongoing need for dural tenting sutures. Dandy's explanation that the haemostasis observed under hypotensive conditions is deceiving and eventually causes EDH may be obsolete. Today, proper intra- and postoperative care, including maintenance of normovolemia and normotension and the use of modern haemostatic agents, may be sufficient for effective haemostasis. Thus, there is a fundamental need to evaluate the necessity of dural tenting sutures in a solid, unbiased, evidence-based manner. METHODS: This study is designed as a randomised, multicentre, double-blinded, controlled interventional trial with 1:1 allocation. About one half of the participants will undergo craniotomy without dural tenting sutures and will be considered an intervention group. The other half will undergo craniotomy with these sutures. Both groups will be followed clinically and radiologically. The primary outcome is reoperation due to extradural haematoma. Secondary outcomes aim to evaluate the impact of dural tenting sutures on mortality, readmission risk, postoperative headaches, size of extradural collection, cerebrospinal fluid leak risk and the presence of any new neurological deficit. The study protocol follows the SPIRIT 2013 statement. DISCUSSION: It is possible that many neurosurgeons around the globe are tenting the dura in elective craniotomies which brings no benefit and only extends the operation. Unfortunately, there is not enough data to support or reject this technique in modern neurosurgery. This is the first study that may produce strong, evidence-based recommendations on using dural tenting sutures. TRIAL REGISTRATION, ETHICS AND DISSEMINATION: The Bioethics Committee of the Medical University of Warsaw approved the study protocol (KB/106/2018). The trial is registered at http://www.clinicaltrials.gov ( NCT03658941 ) on September 6, 2018. The findings of this trial will be submitted to a peer-reviewed neurosurgical journal. Abstracts will be submitted to relevant national and international conferences. TRIAL STATUS: Protocol version and date: version 1.5, 14.01.2020 First recruitment: September 7, 2018 Estimated recruitment completion: September 1, 2021.
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