The Clinical journal of pain
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Review Comparative Study
Defining the therapeutic role of local anesthetic sympathetic blockade in complex regional pain syndrome: a narrative and systematic review.
There is growing controversy on the value of blocking the sympathetic nervous system for the treatment of complex regional pain syndromes (CRPS). The authors sought to evaluate the efficacy of sympathetic blockade with local anesthetic in these syndromes. In addition, they performed a comprehensive review of the pathophysiology and other treatments for CRPS. ⋯ This review raises questions as to the efficacy of local anesthetic sympathetic blockade as treatment of CRPS. Its efficacy is based mainly on case series. Less than one third of patients obtained full pain relief. The absence of control groups in case series leads to an overestimation of the treatment response that can explain the findings.
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The purpose of this article is to provide a review of the prevalence, assessment, and treatment of common psychiatric disorders found among patients with opioid dependence. Dependence on opioids can include both persons who are physically dependent on opioids and persons who fulfill the criteria for a syndrome of opioid dependence, such as that found in the Diagnostic and Statistical Manual, fourth edition (DSM-IV). The latter grouping of persons typically abuse illicit opioids, and prevalence of comorbid conditions and approaches in diagnosis and treatment have been studied in these patients. ⋯ When evaluating and planning treatment of opioid-dependent patients with concurrent psychiatric symptoms, it is important to determine if such symptoms are independent of the substance use or substance induced. In the former case, treatment should follow routine clinical practice, whereas in the latter case, treatment stability in substance use should be the first therapeutic step. The presence of a pain condition can further complicate assessment and treatment, as either pain itself or treatments used for pain may produce symptoms that overlap with psychiatric disorders.
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Patients may present to physicians with complaints of acute or chronic pain. Some of these patients will have a history of addiction to drugs or alcohol, and a few will have active addiction. Controlled-substance prescriptions, especially opioid pain medications, can be very beneficial for treatment of pain in patients. ⋯ General guidelines can improve physicians' comfort level in prescribing opioids for patients with chronic pain, even those with a history of addiction. These include using a medication agreement or contract, setting appropriate goals with the patient, giving appropriate amounts of pain medication, monitoring with drug screens and pill counts, and documenting the case carefully. Even patients with a history of addiction can benefit from opioid pain medications if the patients are monitored appropriately.
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Clinical Trial
Prediction of outcome in whiplash-associated disorders using West Haven-Yale Multidimensional Pain Inventory.
To investigate the predictive capacity of the West Haven-Yale Multidimensional Pain Inventory (MPI) with regard to prolonged pain, using car occupants who had sustained a neck sprain in a traffic accident. ⋯ The MPI may be used at an early stage to identify patients who may develop chronic neck-pain after a traffic accident, at least in those who want a follow-up session after an initial visit to an accident and emergency department.
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The authors apply eight ethical domains of analysis to the question of treatment of chronic pain with opioids in patients with histories of substance use disorders: autonomy, nonmaleficence, beneficence, justice, medical condition, patient preference, quality of life, and consideration of specific individual or sociocultural issues. These eight domains are drawn from principle-based and case-based ethical perspectives. ⋯ Chronic pain and substance use disorders share a history of stigmatization, underdiagnosis, and undertreatment. Using the presented case as a point of departure, the authors discuss principles for prescription of opioids for treatment of chronic noncancer pain in the setting of history of substance use disorders.