Is cerebral spinal fluid flow associated with body mass index and head circumference in healthy children? A phase contrast magnetic resonance imaging study

Egyptian Journal of Radiology and Nuclear Medicine

Table 4 An overview of phase contrast MRI parameters in various body mass index (BMI) groups

Group	Peak velocity (cm/sn)	Mean velocity (cm/sn)	Forward flow volume (ml)	Reverse flow volume (ml)	Net volume (ml)	Mean aqueductal area (mm²)
1 (BMI ≤ 5%, n = 20)	5.11 ± 2.20	0.79 ± 0.50	0.013 ± 0.009	0.008 ± 0.005	0.007 ± 0.006	0.018 ± 0.007
2 (BMI between 6-25%, n = 33)	5.46 ± 3.16	0.76 ± 0.66	0.015 ± 0.013	0.013 ± 0.024	0.007 ± 0.008	0.018 ± 0.008
3 (BMI between 26-50%, n = 36)	5.19 ± 2.87	0.77 ± 0.83	0.014 ± 0.010	0.010 ± 0.011	0.006 ± 0.005	0.020 ± 0.009
4 (BMI between 51-75%, n = 26)	5.88 ± 3.08	0.69 ± 0.51	0.018 ± 0.019	0.011 ± 0.012	0.011 ± 0.021	0.022 ± 0.013
5 (BMI between 76-95%, n = 79)	5.71 ± 2.98	0.83 ± 0.47	0.018 ± 0.017	0.012 ± 0.013	0.015 ± 0.024	0.019 ± 0.007
6 (BMI > 95%, n = 32)	5.92 ± 1.96	0.55 ± 0.45	0.010 ± 0.003	0.021 ± 0.034	0.003 ± 0.002	0.011 ± 0.006