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Related Experiment Videos

Neonatal mid-upper-arm circumference is a valid proxy for birth-weight.

R Sauerborn1, R M Ouiminga, B Koné

  • 1Universitäts-Kinderklinik, Heidelberg, FRG.

Tropical Medicine and Parasitology : Official Organ of Deutsche Tropenmedizinische Gesellschaft and of Deutsche Gesellschaft Fur Technische Zusammenarbeit (GTZ)
|March 1, 1990
PubMed
Summary

Neonatal mid-upper-arm-circumference (MUAC) is a valid indicator for birth-weight. A MUAC of 9.5 cm effectively identifies low birth-weight newborns, offering a practical screening tool.

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Area of Science:

  • Pediatrics
  • Public Health
  • Anthropometry

Background:

  • Accurate birth-weight measurement is crucial for neonatal health assessment.
  • Traditional birth-weight scales can be impractical in resource-limited settings.

Purpose of the Study:

  • To evaluate the validity of neonatal mid-upper-arm-circumference (MUAC) as a proxy for birth-weight.
  • To determine the optimal MUAC cut-off for identifying low birth-weight neonates.

Main Methods:

  • A cross-sectional survey of 973 consecutive newborn infants in Ouagadougou.
  • Assessed the correlation between neonatal MUAC and actual birth-weight.
  • Calculated sensitivity, specificity, and relative risk for different MUAC cut-offs.

Main Results:

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  • An optimal MUAC cut-off of 9.5 cm was identified to distinguish between low (<2500 g) and normal (≥2500 g) birth-weight infants.
  • This cut-off demonstrated high sensitivity (91%) and specificity (83%).
  • Newborns with MUAC < 9.5 cm had a 23-fold increased risk of low birth-weight.

Conclusions:

  • Neonatal MUAC is a valid, reliable, and practical indicator for assessing birth-weight in resource-limited settings.
  • This simple measurement can be utilized by healthcare workers and mothers, potentially replacing traditional scales.
  • The use of MUAC can improve early identification of at-risk newborns.