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Clinical Trial Summary

Background: Several studies have indicated that infants who had undergone postnatal painful procedures appear to be hypersensitive to pain, with a lower threshold to tactile stimulations later on life.

Objective: To study the effect of early exposure to pain on cerebral somatosensory evoked potential (SEP) response to thermal stimulation (550C), in preterm and full term born adolescents (15-18 years old), who have undergone painful procedures during their neonatal period. As well as to study the effect of early exposure to thermal and tactile sensory thresholds and pain thresholds to thermal and tactile stimuli, by using the TSA and von Frey hairs.

Design: Case-control study.

Participants: Four groups of 20 adolescents (aged 15-18 years), two of which are full term and preterm-born who were exposed to painful procedures during the neonatal period. The other two groups are term and preterm-born adolescents who were not exposed to such procedures.

Main Outcome Measures: Cerebral SEP response (P300, Medoc Ltd., Israel) to thermal stimulation (550C). Warm-sensation threshold (WST), heat-pain threshold (HPT), Cold sensation threshold (CST) and cold pain threshold (CPT) by using Thermal sensory analyzer (TSA-2001,Medoc Ltd., Israel). Pain threshold to tactile stimulation will be measured by using Von-Frey hairs.


Clinical Trial Description

n/a


Study Design

Observational Model: Case Control, Time Perspective: Prospective


Related Conditions & MeSH terms


NCT number NCT00503100
Study type Observational
Source Soroka University Medical Center
Contact
Status Terminated
Phase N/A
Start date August 2007
Completion date January 2014

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