Publication: Clinical improvement after cranioplasty and its relation to body position and cerebral hemodynamics
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Date
2021-10-09
Authors
Paredes, Igor ; Alén, José Antonio F. ; Castaño León, Ana María ; Gómez, Pedro Antonio ; Jiménez Roldán, Luis ; Panero, Irene ; Eiriz Fernández, Carla ; García Pérez, Daniel ; Moreno, Luis Miguel ; Esteban Sinovas, Olga ; González León, Pedro ; Pérez Núñez Ángel ; Nunarriz, Pablo M. ; Lagares de Toledo, Alfonso ; Lagares, Alfonso
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Facultades de la UMU::Facultad de Medicina
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Publisher
Springer
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DOI
https://doi.org/10.1007/s10143-021-01668-1
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info:eu-repo/semantics/article
Description
Abstract
Cranioplasty after decompressive craniectomy (DC) has been found to improve the neurological condition. The underlying mechanisms are still unknown. The aim of this study is to investigate the roles of the postural changes and atmospheric pressure (AP) in the brain hemodynamics and their relationship with clinical improvement. Seventy-eight patients were studied before and 72 h after cranioplasty with cervical and transcranial color Doppler ultrasound (TCCS) in the sitting and supine positions. Craniectomy size, shape, and force exerted by the AP (torque) were calculated. Neurological condition was assessed with the National Institutes of Health Stroke Scale (NIHSS) and the Barthel index. Twenty-eight patients improved after cranioplasty. Their time elapsed from the DC was shorter (214 vs 324 days), preoperative Barthel was worse (54 vs 77), internal carotid artery (ICA) mean velocity of the defect side was lower while sitting (14.4 vs 20.9 cm/s), and torque over the craniectomy was greater (2480.3 vs 1464.3 N*cm). Multivariate binary logistic regression showed the consistency of these changes. TCCS findings were no longer present postoperatively. Lower ICA (defect side) velocity in the sitting position correlates significantly with clinical improvement. Greater torque exerted by the AP might explain different susceptibilities to postural changes, corrected by cranioplasty.
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Citation
Neurosurgical Review, 2022, Vol. 45, pp. 1463–1472
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