The Clinical journal of pain
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Clinical Trial
Determinants of patient-controlled epidural analgesia requirements: a prospective analysis of 1753 patients.
Patient-controlled epidural analgesia (PCEA) has been widely used in postoperative pain management. Many factors may correlate with PCEA requirements but no previous study has ever investigated this subject. Therefore, we conducted this study to explore the relationship among patients' characteristics and total PCEA consumption during the 3-day postoperative course. ⋯ Our study demonstrated the association between patients' characteristics and total PCEA requirements from a large-scaled clinical data. Surgical procedures have more influence on PCEA consumption than demographic variables. Background infusion rate of PCEA could be determined from our predictive model.
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Multicenter Study Clinical Trial
The validity and reliability of the graphic rating scale and verbal rating scale for measuring pain across cultures: a study in Egyptian and Dutch women with rheumatoid arthritis.
To compare the validity and reliability of a graphic rating scale (GRS) and a verbal rating scale (VRS) for measuring pain intensity in young female Egyptian and Dutch patients with rheumatoid arthritis (RA). ⋯ The study confirmed that the GRS and VRS were reliable and valid in the total study cohort. Within the individual countries, the GRS seemed to perform better than the VRS.
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To examine the factor structure of the Beck Depression Inventory version II (BDI-II) in patients seeking treatment for chronic pain, using exploratory and confirmatory factor analysis and provide comparative data for use with similar patient populations. In addition, to consider the utility of using BDI-II subscale scores to further inform the management of patients with chronic pain. ⋯ Results are consistent with studies using previous versions of the BDI in suggesting that 2-factor scores may be more clinically useful in the assessment of patients referred with chronic pain.
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Controlled Clinical Trial
Contribution of nonspinal comorbidity to low back pain outcomes.
To determine the involvement of comorbidity to outcomes in a cohort of acute mechanical low back pain patients. ⋯ Significant ORs were barely greater than 1.00 and were likely the result of the large sample size. The clinical course for comorbid patients, who may seem more complicated at the start of treatment, is just as favorable.
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To describe a patient with spontaneous intracranial hypotension (SIH) secondary to multiple sites of cerebrospinal fluid (CSF) leaks, a rarely described phenomenon. To compare computerized tomography-myelography with radionuclide cisternography as confirmatory diagnostic aids in SIH. ⋯ In a patient with SIH, a computerized tomography-myelography should be performed if an initial epidural blood patch is ineffective. This is to show the vertebral level and site(s) of CSF leak and to guide the physician to the ideal vertebral level for the epidural blood patch.