Abstract
ABSTRACTObjective: To evaluate using tomographic study the thickness of the cranial board at the insertions points of the cranial halo pins in adultsMethods: This is a retrospective, cross-sectional, descriptive analysis of Computed Tomography (CT) scans of adult patients' crania. The study included adults between 20 and 50 years without cranial abnormalities. We excluded any exam with cranial abnormalitiesResults: We analyzed 50 CT scans, including 27 men and 23 women, at the original insertion points and alternative points (1 and 2 cm above the frontal and parietal bones). The average values were 7.4333 mm in the frontal bone and 6.0290 mm in the parietal boneConclusion: There was no statistically significant difference between the classical and alternative points, making room for alternative fixings and safer introduction of the pins, if necessary.Level of Evidence II, Retrospective Study.
Highlights
The cranial halo is a versatile cervical traction method that can be used in a variety of circumstances.[1]
One fact which has received little study is the thickness between the internal and external tables of the skull where the pins of a cranial halo are inserted, which has not been well-determined in adults
The objective of this study is to describe normal values for measuring the thickness between the internal and external table thickness (IETT) in patients aged 20–50 using the following exclusion criteria: cranial fracture leading to bone deformities, invasive surgical procedures, congenital malformations, deformities resulting from other pathologies such as thalassemia, sickle cell anemia, and osteoporosis, cancer with metastasis to the cranium or with impairment of bone mineralization
Summary
The cranial halo is a versatile cervical traction method that can be used in a variety of circumstances.[1]. One fact which has received little study is the thickness between the internal and external tables of the skull where the pins of a cranial halo are inserted (internal-external table thickness, or IETT), which has not been well-determined in adults. This knowledge has clinical importance due to multiple complications described in the literature such as pin penetration through the internal table of the skull, for example.[1,8,9] In this scenario, the objective of this study is to evaluate primary anatomical and tomographic parameters for the skull and establish a correlation with the use of the cranial halo in adult individuals. A second goal is to serve as a base for future clinical studies
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