3 Citations (Scopus)

Abstract

Introduction. The lumbar puncture is a well-known neurological procedure. The purpose of this study is to build an accurate mathematical formula to estimate the appropriate depth for inserting a lumbar puncture needle for a beginner. Methods. This is a retrospective study of patients who underwent magnetic resonance imaging (MRI) of the L-spine. The depth from the skin to the posterior and anterior margin of the spinal canal at the level of L4-L5 and L3-L4 interspaces of the spine was estimated using MRI. Results. Three hundred sixty-eight patients aged between 20 and 89 years were studied. The optimal puncture depths of the lumbar puncture needle were moderately strongly related to weight and BMI. The most accurate models with the highest coefficient of determination were 1.27 + 0.18 x BMI and 1.68 + 0.067 x weight (kg) for man and woman, respectively. Conclusion. The best formula for men and women provides the most accurate estimates for adults based on the MRI of the L-spine.

Original languageEnglish
Article number732694
JournalComputational and Mathematical Methods in Medicine
Volume2014
DOIs
Publication statusPublished - 2014

Fingerprint

Spinal Puncture
Spine
Magnetic Resonance Imaging
Magnetic resonance
Needles
Imaging techniques
Prediction
Coefficient of Determination
Weights and Measures
Spinal Canal
Canals
Punctures
Estimate
Margin
Skin
Retrospective Studies
Model

ASJC Scopus subject areas

  • Applied Mathematics
  • Modelling and Simulation
  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)
  • Immunology and Microbiology(all)

Cite this

Predictions of the length of lumbar puncture needles. / Ma, Hon Ping; Hung, Yun Fei; Tsai, Shin Han; Ou, Ju Chi.

In: Computational and Mathematical Methods in Medicine, Vol. 2014, 732694, 2014.

Research output: Contribution to journalArticle

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AU - Tsai, Shin Han

AU - Ou, Ju Chi

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N2 - Introduction. The lumbar puncture is a well-known neurological procedure. The purpose of this study is to build an accurate mathematical formula to estimate the appropriate depth for inserting a lumbar puncture needle for a beginner. Methods. This is a retrospective study of patients who underwent magnetic resonance imaging (MRI) of the L-spine. The depth from the skin to the posterior and anterior margin of the spinal canal at the level of L4-L5 and L3-L4 interspaces of the spine was estimated using MRI. Results. Three hundred sixty-eight patients aged between 20 and 89 years were studied. The optimal puncture depths of the lumbar puncture needle were moderately strongly related to weight and BMI. The most accurate models with the highest coefficient of determination were 1.27 + 0.18 x BMI and 1.68 + 0.067 x weight (kg) for man and woman, respectively. Conclusion. The best formula for men and women provides the most accurate estimates for adults based on the MRI of the L-spine.

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