• World Neurosurg · Oct 2023

    Review

    Transcranioplasty ultrasonography through a sonolucent prosthesis: a review of feasibility, safety, and benefits.

    • Christina P Rossitto, Alex Devarajan, Jack Y Zhang, Reilly Benowitz, Gabrielle Price, Muhammad Ali, Halima Tabani, Trevor Hardigan, John W Liang, Neha S Dangayach, Alexandra S Reynolds, Jan-Karl Burkhardt, and Christopher P Kellner.
    • Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, New York, USA. Electronic address: christina.rossitto@icahn.mssm.edu.
    • World Neurosurg. 2023 Oct 1; 178: 152161.e1152-161.e1.

    AbstractData on the effectiveness of transcranioplasty ultrasonography through sonolucent cranioplasty (SC) are new and heterogeneous. We performed the first systematic literature review on SC. Ovid Embase, Ovid Medline, and Web of Science Core Collection were systematically searched and published full text articles detailing new use of SC for the purpose of neuroimaging were critically appraised and extracted. Of 16 eligible studies, 6 reported preclinical research and 12 reported clinical experiences encompassing 189 total patients with SC. The cohort age ranged from teens to 80s and was 60% (113/189) female. Sonolucent materials in clinical use are clear PMMA (polymethylmethacrylate), opaque PMMA, polyetheretherketone, and polyolefin. Overall indications included hydrocephalus (20%, 37/189), tumor (15%, 29/189), posterior fossa decompression (14%, 26/189), traumatic brain injury (11%, 20/189), bypass (27%, 52/189), intracerebral hemorrhage (4%, 7/189), ischemic stroke (3%, 5/189), aneurysm and subarachnoid hemorrhage (3%, 5/189), subdural hematoma (2%, 4/189), and vasculitis and other bone revisions (2%, 4/189). Complications described in the entire cohort included revision or delayed scalp healing (3%, 6/189), wound infection (3%, 5/189), epidural hematoma (2%, 3/189), cerebrospinal fluid leaks (1%, 2/189), new seizure (1%, 2/189), and oncologic relapse with subsequent prosthesis removal (<1%, 1/189). Most studies utilized linear or phased array ultrasound transducers at 3-12 MHz. Sources of artifact on sonographic imaging included prosthesis curvature, pneumocephalus, plating system, and dural sealant. Reported findings were mainly qualitative. We, therefore, suggest that future studies should collect quantitative measurement data during transcranioplasty ultrasonography to validate imaging techniques.Copyright © 2023 Elsevier Inc. All rights reserved.

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