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Theme: Diagnostic & Interventional Radiology
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Abstract Title Logo
Common measurements and proposed grading system for hydrocephalus in pediatric patients by using CT scan: A cross sectional study.
Authors: Abdulwahab Faiz Alahmari Institutions: King Saud University
Background

This study aims to determine average linear parameters of the hydrocephalus brain among pediatric patients by using CT scan, to propose a new grading system for hydrocephalus based on these linear measurements and to find the most common type and grade of hydrocephalus.

Summary of Work

A cross sectional study was conducted on 37 pediatric hydrocephalus subjects in Abha.Five linear measurements FHR, FOHR, BFI, BCI and VI were applied on CT scan and generated a new grading system. Statisticalanalysis was done by SPSS (V-21) software. Also classifies the subjects by this system into grades of mild to severe and discovers the most common type and category of hydrocephalus.

Figure above: showing regions where measurements were applied; FHR= A/C, FOHR= (A+E)/2C, BCI= B/F, BFI= A/D, VI= B.

 

Summary of Results

​The highest frequency of hydrocephalus was found at two years. The most common type was communicated and most common grades were mild and moderate. The mean measurements (reference value) in mm were found for FOHR=0.63, FHR=0.52, BCI=0.34, BFI=0.60 and VI=0.55. There was significant difference of linear parameters in FOHR, FHR, BFI related to age groups. the following is our proposed grading system:

FOHR: Frontal to  Occipital Horn Ratio, FHR: Frontal Horn Ratio, BCI: Bi Caudate index, BFI: Bi Frontal index, VI: Ventricular Index.

Conclusion

The grading system successfully divides pediatric patients into mild to severe categories, effect of age on each linear measurement can also be evaluated in hydrocephalic patients and this grading system can also be helpful to evaluate any mass effect or in cases like brain atrophy.

Take-home Messages

Hydrocephalus or any mass effect case brain disruption can by classify into category by this grading system based on linear measurements of the ventricular system.

Acknowledgement

Artiest Ali Faiz

References

1.  Hahn, F. J., & Rim, K. (1976). Frontal ventricular dimensions on normal computed tomography. AJR Am J Roentgenol.  126(3), 593–596.

2.  Zilundu, P. L. M. (2013). Morphometric study of ventricular sizes on normal computed tomography scans of adult black zimbabweans at a diagnostic radiology centre in harare- a pilot study.

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Background
Summary of Work
Summary of Results
Conclusion
Take-home Messages
Acknowledgement
References
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