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Arch. Dis. Child. Fetal Neonatal Ed. · Nov 2008
Ultrasonographic determination of neonatal spinal canal depth.
- O J Arthurs, M Murray, M Zubier, J Tooley, and W Kelsall.
- Department of Radiology, Addenbrooke's Hospital, Cambridge, UK.
- Arch. Dis. Child. Fetal Neonatal Ed. 2008 Nov 1;93(6):F451-4.
ObjectiveTo determine by ultrasound (US) the spinal canal depth (SCD) in neonates and subsequently establish a nomogram and simple formula for calculating this distance.Design116 US measurements were performed by two investigators in 105 neonates at the L3/4 intervertebral space. Both anterior and posterior spinal canal depth were measured and mid-spinal canal depth (MSCD) calculated. Measurements of intra- and interobserver variability were also performed.ResultsA clear relationship was found between body weight (W, kg) and all SCD measurements in neonates. In particular, MSCD = 2.2 W + 6.89 mm (R(2) correlation coefficient 0.76), approximated by 2 W + 7 mm.ConclusionSCD measurements are easily determined by US in neonates, with good correlation between weight and MSCD.
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