This study provides evidence that yoga is an acceptable, feasible, and helpful intervention for hospitalized children with VOC. Future research should further examine yoga for children with SCD pain in the inpatient and outpatient settings.
As a group, clinic-referred children with CRPS may be more functionally impaired and experience more somatic symptoms compared with children with other pain conditions. However, overall psychological functioning as assessed by self-report appears to be similar to that of children with other chronic pain diagnoses. Comprehensive assessment using a biopsychosocial framework is essential to understanding and appropriately treating children with symptoms of CRPS.
Intravenous immunoglobulin (IVIG) decreases neutrophil adhesion to endothelium and red blood cell-neutrophil interactions in sickle cell mice undergoing vaso-occlusion. In this Phase I clinical trial of sickle cell anemia (SCA) patients admitted with pain crisis, we evaluated the status of adhesion molecules on neutrophils in control and IVIG-treated subjects pre- and post-infusion up to 800 mg/kg, the same dose used in murine studies. Mac-1 function significantly decreased from baseline in the low-dose IVIG (200–400 mg/kg) cohorts. IVIG-related adverse events may have occurred in the high-dose (600–800 mg/kg) cohorts. There were no significant increases in neutrophil and leukocyte counts, suggesting that IVIG may more selectively inhibit Mac-1 function as opposed to neutrophil adhesion. This study provides the first in-human validation of pre-clinical murine studies that IVIG can decrease Mac-1 function.
Opioids are utilized frequently for the treatment of moderate to severe acute pain in the perioperative setting, as well as in the treatment of cancer-related pain. When prescribing chronic opioid therapy to patients with chronic pain, it is crucial for the practitioner to be aware not only of the issues of tolerance and withdrawal, but also to have knowledge of the possibility for opioid-induced hyperalgesia (OIH). An understanding of the differences between tolerance and OIH when escalating opioid therapy allows the titration of opioid as well as nonopioid analgesics in order to obtain maximum control of both chronic and acute pain. A case study is described to highlight the importance of judicious utilization of opioids in the treatment of cancer-related pain. In this case, high-dose opioid therapy did not improve chronic pain and contributed to a hyperalgesic state in which a young man experienced severe intractable pain postoperatively after two routine thoracotomies, despite aggressive pharmacologic measures to manage his perioperative pain. Furthermore, it illustrates the potential advantages of opioid rotation to methadone when OIH is suspected.
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