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Indian Pediatr. 2006 Oct;43(10):889-94.

Do the length-based (Broselow) Tape, APLS, Argall and Nelson's formulae accurately estimate weight of Indian children?

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1
Department of Pediatrics, St. John's Medical College Hospital, Bangalore, Karnataka 560 034, India.

Abstract

This study was aimed at validating the usefulness of a length based pediatric emergency tape (Broselow) in an Indian population. The secondary objective was to validate age based weight estimation formulae (Nelson, Argalls, APLS) for emergency needs (doses, sizes). This cross sectional study was done at a tertiary teaching hospital on a sample of 500 children attending outpatient clinic. Inclusion criteria was age between 1 month to 12 years. Children who were unstable, uncooperative or critically ill requiring emergency care and those measuring more than 145 cm in length or weighing more than 35 kg weight were excluded from the study. Measurement of actual weights, calculation of weight, adrenaline dose, fluid bolus and endotracheal tube size was done by all four methods. Results indicated good positive correlation between actual measured weights and weights estimated using Broselow Tape (r = 0.974), APLS (r = 0.902), Argalls modification (r = 0.902), and combined Nelson formulae (0.935). However, specific Nelson formulas for 7-12 yr and 3-12 mo were especially poor in correlation. Bland-Altman Plots comparing actual weight showed least mean bias for Broselow Tape estimations in < 15 kg group (0.080 +/- 0.96 kg) and maximum bias with Nelsons formula for 7 to12 yr (5.204 +/- 4.272 kg). For adrenaline doses and fluid bolus calculations, Broselow estimations were valid estimates. Broselow tape did underestimate endotracheal tube size (mean bias -0.53 +/- 0.18). To conclude, length based pediatric emergency tape (Broselow) correlates well with overall emergency decision making process in our setting. This is especially validated in the age group 0.1 to 6.7 yr weighing less than 15 kg.

PMID:
17079832
[Indexed for MEDLINE]
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