Pain medicine : the official journal of the American Academy of Pain Medicine
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Review Meta Analysis
Do opioids induce hyperalgesia in humans? An evidence-based structured review.
DESIGN/OBJECTIVES: Consistent rodent evidence indicates that opioid exposure will decrease the rodent's pain threshold (ptr). This is termed opioids-induced hyperalgesia (OIH). Currently, the consistency of the evidence for the occurrence of OIH in humans is unclear. This is a structured evidence-based review for all levels of evidence (all studies and case reports) on OIH in humans in order to determine the consistency of this evidence. ⋯ There is not sufficient evidence to support or refute the existence of OIH in humans except in the case of normal volunteers receiving opioid infusions. Prospective CPP clinical studies measuring ptrs and tolerances pre- and post-opioid placement with CPP non-opioid control groups are required.
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Review Meta Analysis
Efficacy and safety of mu-opioid antagonists in the treatment of opioid-induced bowel dysfunction: systematic review and meta-analysis of randomized controlled trials.
Opioid-induced bowel dysfunction (OBD) is characterized by constipation, incomplete evacuation, bloating, and increased gastric reflux. OBD occurs both acutely and chronically, in multiple disease states, resulting in increased morbidity and reduced quality of life. ⋯ Insufficient evidence exists for the safety or efficacy of naloxone or nalbuphine in the treatment of OBD. Long-term efficacy and safety of any of the opioid antagonists is unknown, as is the incidence or nature of rare adverse events. Alvimopan and methylnaltrexone both show promise in treating OBD, but further data will be required to fully assess their place in therapy.
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This is a structured evidence-based review of all available studies on the development of abuse/addiction and aberrant drug-related behaviors (ADRBs) in chronic pain patients (CPPs) with nonmalignant pain on exposure to chronic opioid analgesic therapy (COAT). ⋯ The results of this evidence-based structured review indicate that COAT exposure will lead to abuse/addiction in a small percentage of CPPs, but a larger percentage will demonstrate ADRBs and illicit drug use. These percentages appear to be much less if CPPs are preselected for the absence of a current or past history of alcohol/illicit drug use or abuse/addiction.
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Review Meta Analysis
Duloxetine and other antidepressants in the treatment of patients with fibromyalgia.
To review the use of duloxetine, a new selective serotonin and norepinephrine reuptake inhibitor (SNRI), and other antidepressants in the treatment of patients with fibromyalgia. ⋯ Antidepressants play an important role in the treatment of patients with fibromyalgia. Agents with dual effects on serotonin and norepinephrine appear to have more consistent benefits than selective serotonin antidepressants for the treatment of persistent pain associated with fibromyalgia.
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Review Meta Analysis
Epidemiology, public health burden, and treatment of diabetic peripheral neuropathic pain: a review.
The literature examining the epidemiology, quality of life burden, cost, and treatment of diabetic peripheral neuropathy pain (DPNP) in U.S. adults was reviewed. ⋯ This review of DPNP identifies gaps in the literature and highlights the need for further study. The establishment of a consistent definition and diagnostic code for DPNP would improve ability to collect data and understand the impact of DPNP on patients and the health care system. Well-designed, prospective studies are needed to better define the epidemiology and public health burden of DPNP.