Shenkman et al reported a score for the distance to the subararchnoid space in neonates born prematurely. The authors are from Meir Hospital,Tel Aviv University and Bar Ilan University in Israel.

Patient selection: premature and former premature infant



(1) body weight in grams

(2) postconceptual age in weeks


depth of the subarachnoid space at the L4-L5 interspace in mm =

= (0.0026 * (weight)) - (0.12 * (postconceptual age)) + 13.19

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