๐”– Bobbio Scriptorium
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Motor nerve conduction velocity in very preterm infants

โœ Scribed by Bert J. Smit; Joke H. Kok; Linda S. de Vries; Friedo W. Dekker; Bram W. Ongerboer de Visser

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
168 KB
Volume
22
Category
Article
ISSN
0148-639X

No coin nor oath required. For personal study only.

โœฆ Synopsis

Sufficient reference values for motor nerve conduction velocity (MNCV) in very preterm infants are not yet available. In the placebo infants within an L-thyroxine supplementation trial, born at less than 30 weeks' gestation, ulnar and posterior tibial MNCV measurements were performed shortly after birth. Repeated measurements were done at 2 weeks, at term, and at 6 months corrected age. Cross-sectional MNCV values obtained in 50 infants and longitudinal MNCV values obtained in 15 infants were analyzed in relation to postmenstrual age (PMA). Mean ulnar MNCV increased from 13 to 44 m/s and mean tibial MNCV from 11 to 37 m/s. Motor nerve conduction velocity was clearly related to PMA. Longitudinal MNCV values were consistent with cross-sectional MNCV values. Possible confounding factors did not have any significant effect on MNCV. In the ulnar nerve, extrauterine maturation during the first 2 weeks of life was delayed compared with intrauterine maturation.

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