Articles: acute-pain.
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The last survey of anesthesiological acute pain therapy in Germany was conducted in 1999. Since then new organisational as well as therapeutic aspects have developed. Amongst others the operation and procedures key (OPS) figure 8-919 complex acute pain therapy has been introduced in the German medical billing system, with the restriction that it cannot currently be redeemed. There is an ongoing debate on the role of epidural analgesia in acute pain therapy and new oral medication concepts have been established. Therefore a survey of the present state of acute pain therapy in Germany was conducted. ⋯ Since 1999 the number of hospitals that have implemented an APS has risen from 36.1 % to 64.2 %. The lack of consistent documentation of the OPS 8-919 will probably not increase the likelihood that it will become redeemable in the near future. Certain therapy methods, such as EA and PCA were still well established with oral therapy gaining in significance. The uncertainty regarding limits for coagulation values before removal of an epidural catheter could perhaps be reduced by a statement from the German Society of Anesthesia and Intensive Care.
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Isolation rearing in rodents causes not only abnormal behaviors which resemble the clinical symptoms of schizophrenia but also hypoalgesia in thermal nociception models. However, the mechanism of the hypoalgesia is not known. ⋯ These findings suggest that isolation rearing causes hypoalgesia in mouse models of acute pain and imply that the spinal 5-HT1A receptor activation probably through descending serotonergic inhibitory pathway is involved in isolation rearing-induced hypoalgesia.
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Given the inherent variability in pain responding, using an "average" pain score may pose serious threats to internal and external validity. Using growth mixture modeling (GMM), this article first examines whether infants can be differentiated into stable groups based on their pain response patterns over a 2-minute post-needle period. Secondary analyses, to specifically address the issue of averaging pain scores to represent a sample, qualitatively described clinically meaningful differences between pain scores of the discerned groups and the overall mean (irrespective of groups). ⋯ Our secondary suggested that the overall mean pain score immediately post-needle reflected most groups well at every age. However, for older infants (6 and 12months, especially), the overall mean pain responses at 1 and 2minutes post-needle significantly over or underestimated groups that contained 48% to 100% of the sample. These results combined highlight the significant variability of infant pain responding patterns between groups of infants and furthermore, calls into question the validity of using an overall mean in research with older infants during the regulatory phase post-needle.