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An attempt was made to determine the relative contribution of various structures to chronic low back pain, including facet joint(s), disc(s), and sacroiliac joint(s) in a prospective evaluation. Precision diagnostic blocks, including disc injections, facet joint blocks, and sacroiliac joint injections, are frequently used. In contrast, selective nerve root(More)
This randomized clinical trial was designed to determine the effectiveness of therapeutic lumbar facet joint nerve blocks. Two hundred patients were evaluated with controlled diagnostic blocks for the presence of facet joint mediated pain. Eighty four patients, or 42% were determined to have lumbar facet joint mediated pain. These patients were randomly(More)
Multiple studies have documented a strong association between chronic low back pain and psychopathology including personality disorders, depressive disorders, anxiety, and somatoform disorders along with non-specific issues such as emotion, anger and drug dependency. However, depression, anxiety and somatization appear to be crucial. There are no controlled(More)
BACKGROUND Lumbar facet (zygapophysial) joints have been implicated as the source of chronic pain in 15% to 45% of patients with chronic low back pain. Diagnosis may be confounded by false-positive results with a single diagnostic block and administration of anxiolytics and narcotics prior to or during the diagnostic facet joint blocks. OBJECTIVE To(More)
BACKGROUND Over the years, there has been a shift toward the increased reliance on opioids for the treatment of chronic pain. It is well known that some patients do not provide an appropriate history or underestimate their drug intake, and may exaggerate reported pain levels. Numerous studies have documented the incidence of illicit drug use and abuse of(More)
Chronic low back pain patients are seen in multiple practice settings and managed with a multitude of therapeutic interventions. Studies conducted by various groups have made some generalizations in the literature describing low back pain patients. However, there are no studies evaluating the demographic features of patients presenting to therapeutic(More)
Among the chronic pain problems, pain emanating from cervical and lumbar regions, independently or in combination, constitutes a significant and frequently encountered problem in interventional pain management practices. This study was designed to test the assumption that patients presenting with chronic low back pain of lumbar facet joint origin may also(More)
Drug abuse with illicit drugs and licit drugs has been increasing steadily over the past decade. A recent National Household Survey on Drug Abuse found statistically significant increases between 2000 and 2001 in the use of multiple drugs, including marijuana, cocaine, and non-medical use of pain relievers and tranquilizers. Prescription controlled(More)
BACKGROUND Based on responses to controlled diagnostic blocks of cervical facet joints, the prevalence of cervical facet joint pain in chronic neck pain has been shown to range from 54% to 67%, with false-positive results of 27% to 63% with a single diagnostic block. Other confounding factors claimed to influence the diagnostic validity of cervical facet(More)