Quantitative and qualitative analysis of bone flap resorption in patients undergoing cranioplasty after decompressive craniectomy

Journal of Neurosurgery
Tommi K KorhonenSami Tetri

Abstract

OBJECTIVE: Autologous bone cranioplasty after decompressive craniectomy entails a notable burden of difficult postoperative complications, such as infection and bone flap resorption (BFR), leading to mechanical failure. The prevalence and significance of asymptomatic BFR is currently unclear. The aim of this study was to radiologically monitor the long-term bone flap survival and bone quality change in patients undergoing autologous cranioplasty. METHODS: The authors identified all 45 patients who underwent autologous cranioplasty at Oulu University Hospital, Finland, between January 2004 and December 2014. Using perioperative and follow-up CT scans, the volumes and radiodensities of the intact bone flap prior to surgery and at follow-up were calculated. Relative changes in bone flap volume and radiodensity were then determined to assess cranioplasty survival. Sufficient CT scans were obtainable from 41 (91.1%) of the 45 patients. RESULTS: The 41 patients were followed up for a median duration of 3.79 years (25th and 75th percentiles = 1.55 and 6.66). Thirty-seven (90.2%) of the 41 patients had some degree of BFR and 13 (31.7%) had a remaining bone flap volume of less than 80%. Patients younger than 30 years of age had a mean d...Continue Reading

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Citations

Aug 16, 2019·Advanced Healthcare Materials·Baptiste CharbonnierJake Barralet
Sep 12, 2020·Journal of Biomaterials Applications·Milovan Joe CardonaRichard Anthony Black
Jan 21, 2021·Operative Neurosurgery·David S HershYusuf M Khan
Jul 1, 2021·Neurosurgery·Daniel M FountainUNKNOWN British Neurosurgical Trainee Research Collaborative (BNTRC)
Aug 11, 2021·Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia·Mehdi ShafieiSaeid Mahram

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Software Mentioned

SPSS
neaView Radiology
Statistical Package for the Social Sciences

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