Paediatric spinal anaesthesia: Difference between revisions

Line 52: Line 52:
== ANATOMICAL CONSIDERATIONS ==
== ANATOMICAL CONSIDERATIONS ==
A line connecting the top of the iliac crests crosses the spinal axis at the L5-S1 level in neonates and infants up to one year of age and at the L4-L5 level in older children.<ref name=":5" /><sup>,</sup> The spinal cord ends approximately at L3 level at birth and at L1-L2 level in children over one year old.
A line connecting the top of the iliac crests crosses the spinal axis at the L5-S1 level in neonates and infants up to one year of age and at the L4-L5 level in older children.<ref name=":5" /><sup>,</sup> The spinal cord ends approximately at L3 level at birth and at L1-L2 level in children over one year old.
The distance between the skin and the subarachnoid space is influenced by age – from 10 to 15mm in newborns.<ref>10</ref><sup>,</sup> The distance between skin and subarachnoid space can be related to height or weight using the formulae:
The distance between the skin and the subarachnoid space is influenced by age – from 10 to 15mm in newborns.<ref>Blaise GA, Roy WL. Spinal anaesthesia for minor paediatric surgery. Canadian Journal of Anaesthesia 1986; 32: 227-30.</ref><sup>,</sup> The distance between skin and subarachnoid space can be related to height or weight using the formulae:


[[File:SpinalFormula.jpg|500x500|]]
[[File:SpinalFormula.jpg|500x500|]]