نتایج جستجو برای: intrathecal opioid
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462 www.painphysicianjournal.com To The ediTor: It is with great interest that we read the article by Grider et al, “Patient selection and outcomes using a low-dose intrathecal opioid trialing method for chronic nonmalignant pain”, published in the 2011 July/August issue of Pain Physician (1). We are much enlightened by the novel approach employed by the authors in conducting their intrathecal ...
When intrathecal and epidural opioids are administered, pruritus occurs as an unwanted and troublesome side effect. The reported incidence varies between 30% and 100%. The exact mechanisms of neuraxial opioid-induced pruritus remain unclear. Postulated mechanisms include the presence of an "itch center" in the central nervous system, medullary dorsal horn activation, and antagonism of inhibitor...
Background. Expert panels of physicians and nonphysicians in the field of intrathecal therapies convened in 2000 and 2003 to make recommendations for the rational use of intrathecal analgesics based on the preclinical and clinical literature known up to those times. An expert panel of physicians convened in 2007 to update previous recommendations and to form guidelines for the rational use of ...
Roles of endogenous opioid peptides and their receptors in modulation of the nocifensive responses to formalin in mice were studied. Mice were pretreated i.c.v. or intrathecally (i.t.) with selective opioid receptor antagonists or intrathecally with antisera against endogenous opioid peptides and the nocifensive licking responses to intraplantar injection of formalin (0.5%, 25 microl) were then...
In 1968, Melzack and Wall put forward their ‘gate control theory’ proposing that the spinal cord was a potential target site for modulation of pain signals. This changed our concepts about nociceptive transmission and laid the foundation for further research into dorsal horn opioid pharmacology. This led to the discovery of opioid receptors by Pert and Snyder in 1973 and the subsequent identifi...
OBJECTIVE To assess the safety and efficacy of adding intrathecal morphine to intrathecal ziconotide in patients treated with stable ziconotide doses. DESIGN Multicenter, open-label study with a 4-week morphine titration phase during which ziconotide was held constant and an extension phase during which dosing of either drug could vary. SETTING Outpatient clinics. PATIENTS Patients with s...
Delta-opioid receptors (DOR) are present in the superficial dorsal horn and are believed to regulate the release of small afferent transmitters as evidenced by the effects of spinally delivered delta-opioid preferring peptides. Here we examined the effects of intrathecal SNC80 [(+)-4-[α(R)-α-[(2S,5R)-4-allyl-2,5-dimethyl-1-piperazinyl]-3-(methoxybenzyl)-N,N-diethylbenzamide], a selective nonpep...
Hyperalgesia is normally an increase in the response to a painful stimulant. Opioid-induced hyperalgesia (OIH) is a situation frequently encountered in algology clinics. Its treatment is complicated and problematic and often requires alternative methods. A 40-year-old male patient 45 kg weighing had been diagnosed with stage IV colon cancer 2.5 years ago. He had used non-steroid antiinflammator...
Effects of Intrathecal Opioids Use in Cesarean Section on Breastfeeding and Newborns’ Weight Gaining
Objective: To assess the association between intrapartum intrathecal opioid use and breastfeeding and weight gain following cesarean section. Materials and methods: The prospective double-blinded study was conducted on term pregnant women, undergoing elective cesarean section under spinal anesthesia. They divided into two groups. In the first group, intrathecal Morphine was used to achieve anal...
Morphine is a drug commonly administered via the epidural or intrathecal route, and is regarded by many as the 'gold-standard' single-dose neuraxial opioid due to its postoperative analgesic efficacy and prolonged duration of action. However, respiratory depression is a recognized side effect of neuraxial morphine administered in the perioperative setting. We conducted an extensive review of ar...
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