Articles: pain.
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Randomized Controlled Trial Clinical Trial
Labor room and laboratory: clinical validation of the cold pressor as a means of testing preparation for childbirth strategies.
Annually, numerous couples prepare for childbirth through Lamaze childbirth education classes. Research on various portions of the Lamaze method has used the cold pressor as an analogue for labor. In this experiment, pregnant women who had attended either (a) Lamaze classes which taught pain control methods (n = 22), or (b) Red Cross parenting classes which did not teach pain control methods (n = 7), and students who received either (c) brief Lamaze training (n = 10), or (d) no training (n = 10), were tested on the cold pressor. ⋯ Post hoc analyses showed that women who managed labor pain well performed better on the cold pressor task than women who did not manage labor pain well. This experiment established some limits for applying analogue results to childbirth. Moreover, it showed that women who attended Lamaze classes received less medication during labor than women who attended Red Cross classes; however, it was not clear whether this difference was due to the Lamaze classes per se, or to other uncontrolled variables.
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Eur. J. Clin. Pharmacol. · Jan 1982
Randomized Controlled Trial Clinical TrialThe use of pain scales in assessing the efficacy of analgesics in post-operative dental pain.
Two 10 cm visual analogue scales were compared with a 0-10 point numerical rating scale and a four-point verbal descriptive scale, in assessing pain severity in twelve patients with post-operative pain following removal of an impacted lower third molar. High correlations were shown between the pain scores from the two visual analogue scales and the numerical scale, but a lower correlation was obtained when the four-point scale was compared with the other scales. Analgesic efficacy was found to be dependent on the type of scale used. The 10 cm visual analogue scale was more sensitive than other pain scales and could discriminate between small changes in pain intensity.