Neonatal lumbar puncture: are clinical landmarks accurate?

Archives of Disease in Childhood. Fetal and Neonatal Edition
B BaxterT Hildebrandt

Abstract

The intercristal line (ICL), defined by the superior aspect of the iliac crest, is used to clinically identify the entry point for lumbar puncture (LP) in neonates. Accepted practice is to insert the needle at the L3/4 or L4/5 intervertebral space. To investigate the vertebral level crossed by the ICL as determined by manual palpation and the ability of manual palpation to reliably identify a specified intervertebral space. A total of 30 term neonates were recruited. Paediatricians identified and marked the ICL and the intervertebral space above, with babies in left lateral position. The anatomical positions of both points and the end of the conus medullaris were confirmed using ultrasonography. The ICL was marked from L2/3 to L5/S1. In 25 babies (83%), the ICL was identified at the desired vertebral level between L3/4 and L4/5. The intervertebral space above this line was marked between L1/2 to L4/5. The potential site for LP was identified higher than intended in 11 cases (36%). The end of the conus medullaris ranged from L1 to L3 terminating at L2 or lower in 11 cases (36%). There are wide variations in the positions of the ICL and potential LP site. Using the ICL to guide LP does not appear to be accurate, raising the possi...Continue Reading

References

Nov 9, 2000·Anaesthesia·C R BroadbentR Russell
Jan 30, 2008·Anesthesia and Analgesia·Robert WhittyAlison Macarthur
Dec 4, 2010·Canadian Journal of Anaesthesia = Journal Canadien D'anesthésie·Clarita B MargaridoJose C A Carvalho
Feb 15, 2011·Academic Emergency Medicine : Official Journal of the Society for Academic Emergency Medicine·Beth A CadiganRobert A Jones
Jun 18, 2011·Anesthesia and Analgesia·Allison J LeeDavid J Birnbach
Feb 15, 2013·Clinical Anatomy : Official Journal of the American Association of Clinical Anatomists & the British Association of Clinical Anatomists·A van SchoorA T Bosenberg

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Citations

Jul 25, 2017·Langmuir : the ACS Journal of Surfaces and Colloids·Alberto HidalgoJesus Perez-Gil
Mar 15, 2021·Journal of Emergency Nursing : JEN : Official Publication of the Emergency Department Nurses Association·Ashley DunawayCarrese Stevens
Mar 25, 2020·The American Journal of Emergency Medicine·Jaryd ZummerJocelyn Gravel

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