Document Detail


Knee-heel length measurements in preterm infants: evaluation of a simple electronically equipped instrument.
MedLine Citation:
PMID:  12710648     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
AIM: To compare and evaluate a mini-knemometer with a simple and inexpensive electronic caliper with regard to precision, handling error (technical error) and estimation of growth velocity. METHODS: Thirty-five prematurely born infants, with a median gestational age of 29 (range 24-33) wk and a median birthweight of 960 (range 480-2,480) g, were measured on 409 different occasions with both instruments. On each occasion, five independent readings were made. RESULTS: There was no significant difference in precision between the two instruments, when measuring growth velocity over a 4 wk period (median 0.41, range 0.10-0.59 mm d(-1)). The handling error in this study, calculated as the mean standard deviation, was 0.36 (SD 0.18, coefficient of variation 0.38%) mm for the simple electronic caliper and 0.59 mm for the mini-knemometer. Short-term growth was detectable within 2 d when growth velocity was normal. CONCLUSION: Longitudinal measurement of lower leg length is a gentle and useful complementary method for assessing growth in preterm infants. An inexpensive electronic caliper is well suited for routine use in clinical practice, with measurements taken once or twice a week.
Authors:
E Engström; K Wållgren; A Hellström; A Niklasson
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Publication Detail:
Type:  Comparative Study; Evaluation Studies; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Acta paediatrica (Oslo, Norway : 1992)     Volume:  92     ISSN:  0803-5253     ISO Abbreviation:  Acta Paediatr.     Publication Date:  2003  
Date Detail:
Created Date:  2003-04-24     Completed Date:  2003-07-23     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9205968     Medline TA:  Acta Paediatr     Country:  Norway    
Other Details:
Languages:  eng     Pagination:  211-5     Citation Subset:  IM    
Affiliation:
Department of Pediatrics, Göteborg Pediatric Growth Research Center, The Queen Silvia Children's Hospital, Sahlgrenska Academy, University of Göteborg, Sweden. eva.engstrom@vgregion.se
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MeSH Terms
Descriptor/Qualifier:
Anthropometry / instrumentation*
Electronics, Medical / instrumentation*
Female
Gestational Age
Heel*
Humans
Infant, Newborn
Infant, Premature / growth & development*
Knee*
Longitudinal Studies
Male
Reproducibility of Results
Time Factors

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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