Study Results Pregnancy

Chronic-pain-science

Study Results'Pregnancy

Reference: Heinrich Martius. Lehrbuch der Geburtshilfe. Stuttgart: Georg Thieme Verlag;1964 6e ed.:125

Veen PHE van der, Martens EP. Viscerocutaneous reflexes with abdominal wall pain: A study conducted in 1981 on pregnant women from a general practice. Thermography international. 2013;23(2): 56-63


Available at:

http://www.uhlen.at/thermology-international/index.php


SUMMARY

BACKGROUND:

This is an article regarding an unpublished study that was designed and conducted in 1981, but publication in time was not possible due to the workload in the busy practice of the author. Temperature changes on the abdominal wall could be caused by nociceptive sensations in the viscera which are transfered to the surface via viscerocutaneous reflex pathways. Two aspects play a role in this: 1. An internal organ’s proximity to the skin,

2. That organ’s registration of function to the skin. This study addresses the registration of function of an organ on a specific site of the skin.


The aim of the study was to investigate if infrared thermography can measure temperature changes associated with the functional status of a pregnancy. The null hypothesis was: during the course of pregnancy, there is no difference in skin

temperature between the skin areas selected.

METHODOLOGY: 

The occurrence of viscerocutaneous reflexes was investigated by means of infrared thermography in a group of pregnant women who were cared for in a general medical practice.This observational study started on the first

visit for a pregnancy check-up and at every check-up visit, the temperature was measured. Because the check-ups were scheduled by the doctor based on indications or on woman’s request, the number of measurement differs among women.

We used a linear mixed-effects model to model the difference in temperature between the genital zone and navel zone, with week and complaint group as fixed effects.

INTERVENTION:

On four areas of the abdominal wall, infrared thermography temperature measurements were taken on the abdominal skin.

RESULTS: During pregnancy, a significant temperature difference developed between the genital zone and the navel zone (t=-6.019), caused by lower temperature in the genital zone that became visible approximately in the 34th week of the pregnancy.

CONCLUSIONS: 

The null hypothesis should be rejected. Infrared thermography seems to be able to measure the viscero- cutaneous

consequences of a visceral process on a physiological level. The investigation with pregnant women reported in this publication is relevant for two reasons, because the evidence based data show that: 1. Infrared thermography can play

a role in the detection of processes in the viscerum. 2. Chronic pain of the abdominal wall cannot be an isolated entity. This confirms extensively documented literature published previously. Abdominal wall pain continues to be a major problem medically, economically, and socially. Abdominal problems must be ruled out explicitly when searching for the location of abdominal wall pain. Differential diagnostics are a prerequisite for determining a specific solution.

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Author: PHE van der Veen

Translations: Annemarie Hoogervorst

Veen PHE van der, Martens EP. Viscerocutaneous reflexes with abdominal wall pain: A study conducted in 1981 on pregnant women from a general practice. Thermography international. 2013;23(2): 56-63


Available at:

http://www.uhlen.at/thermology-international/index.php



Veen PHE van der. Viscero-cutaneous reflexes in relation to abdominal and pelvic  pain. A study from 1982 in females with IUD insertions. Thermography international. 2013;23(3): 87-92


Available at:

http:// www.uhlen.at/thermology-international/index.php



Veen PHE van der. Infrared thermography for pain influenced by a Xanthine derivative: An attempt to assess chronic pain objectively.

Thermology international Vol 24 (2014), No. 2: 39-48


Available at:

http://www.uhlen.at/thermology-international/index.php


Abdominal Wall Pain:

Veen PHE van der. Effects of Placebo Measured by Infrared Thermography.

Thermology international 2014, 24(4) 157-165


Available at:


http://www.uhlen.at/thermology-international/index.php

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