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https://www.readbyqxmd.com/read/27913981/the-challenges-of-anaesthesia-and-pain-relief-in-hip-fracture-care
#1
Rachel Cowan, Jun Hao Lim, Terence Ong, Ashok Kumar, Opinder Sahota
The care of the older person with hip fracture is complicated by their comorbid condition, limited physiological reserve, cognitive impairment and frailty. Two aspects of hip fracture management that have received considerable attention are how best to manage the pain associated with it and the ideal mode of anaesthesia. Existing literature has reported on the suboptimal treatment of pain in this orthogeriatric cohort. With recent advancements in medical care, a number of options have emerged as alternatives to conservative systemic analgesia...
December 3, 2016: Drugs & Aging
https://www.readbyqxmd.com/read/27910870/antinociceptive-profile-of-levo-tetrahydropalmatine-in-acute-and-chronic-pain-mice-models-role-of-spinal-sigma-1-receptor
#2
Dong-Wook Kang, Ji-Young Moon, Jae-Gyun Choi, Suk-Yun Kang, Yeonhee Ryu, Jin Bong Park, Jang-Hern Lee, Hyun-Woo Kim
We have recently reported that repeated systemic treatments of extract from Corydalis yanhusuo alleviate neuropathic pain and levo-tetrahydropalmatine (l-THP) is one of active components from Corydalis. We designed this study to investigate antinociceptive effect of l-THP in acute and chronic pain models and related mechanism within the spinal cord. We found that intraperitoneal pretreatment with l-THP significantly inhibited the second phase of formalin-induced pain behavior. In addition, intrathecal as well as intraperitoneal pretreatment with l-THP reduced the mechanical allodynia (MA) induced by direct activation of sigma-1 receptor (Sig-1)...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27878902/a-retrospective-comparison-of-intrathecal-morphine-and-epidural-hydromorphone-for-analgesia-following-posterior-spinal-fusion-in-adolescents-with-idiopathic-scoliosis
#3
Rebecca A Hong, Kathleen M Gibbons, G Ying Li, Ashlee Holman, Terri Voepel-Lewis
BACKGROUND: Posterior spinal fusion to correct idiopathic scoliosis is associated with severe postoperative pain. Intrathecal morphine is commonly used for analgesia after adolescent posterior spinal fusion; however, anticipating and managing the increase in pain scores after resolution of analgesic effect of intrathecal morphine analgesia is challenging. In 2014, we developed a clinical protocol detailing both the administration of intrathecal morphine intraoperatively and the transition to routine, scheduled oral analgesics at 18 h postoperatively...
November 22, 2016: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/27871910/pharmacological-studies-on-the-nop-and-opioid-receptor-agonist-pwt2-dmt-1-n-ofq-1-13
#4
Maria Camilla Cerlesi, Huiping Ding, Mark F Bird, Norikazu Kiguchi, Federica Ferrari, Davide Malfacini, Anna Rizzi, Chiara Ruzza, David G Lambert, Mei-Chuan Ko, Girolamo Calo, Remo Guerrini
An innovative chemical strategy named peptide welding technology (PWT) has been developed for the facile synthesis of tetrabranched peptides. [Dmt(1)]N/OFQ(1-13)-NH2 acts as a universal agonist for nociceptin/orphanin FQ (N/OFQ) and classical opioid receptors. The present study investigated the pharmacological profile of the PWT derivative of [Dmt(1)]N/OFQ(1-13)NH2 (PWT2-[Dmt(1)]) in several assays in vitro and in vivo after spinal administration in monkeys subjected to the tail withdrawal assay. PWT2-[Dmt(1)] mimicked the effects of [Dmt(1)]N/OFQ(1-13)-NH2 displaying full agonist activity, similar affinity/potency and selectivity at human recombinant N/OFQ (NOP) and opioid receptors in receptor binding, stimulation of [(35)S]GTPγS binding, calcium mobilization in cells expressing chimeric G proteins, and BRET studies for measuring receptor/G-protein and receptor/β-arrestin 2 interaction...
November 19, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27854104/new-practical-approaches-to-chemotherapy-induced-neuropathic-pain-prevention-assessment-and-treatment
#5
REVIEW
Neil Majithia, Charles L Loprinzi, Thomas J Smith
Chemotherapy-induced peripheral neuropathy (CIPN) is one of the most disabling and demoralizing problems that arise for cancer survivors. When investigating symptoms of numbness, tingling, or pain in the extremities, it is critical to determine whether the problem is neuropathic, somatic, or mixed. If the diagnosis is CIPN, it is important to weigh the potential benefits and harms of possible treatment options, and to devise an evidence-based multimodality treatment program. Such programs may include mixtures of opioid and nonopioid adjunctive medications, based on evidence from CIPN trials, and also extrapolation from trials in patients with other neuropathic pain syndromes-although such extrapolating must be done with caution, since other syndromes sometimes respond to agents that CIPN does not respond to...
November 15, 2016: Oncology (Williston Park, NY)
https://www.readbyqxmd.com/read/27853254/gastrodin-protects-against-chronic-inflammatory-pain-by-inhibiting-spinal-synaptic-potentiation
#6
Mei-Mei Xiao, Yu-Qi Zhang, Wen-Ting Wang, Wen-Juan Han, Zhen Lin, Rou-Gang Xie, Zhi Cao, Na Lu, San-Jue Hu, Sheng-Xi Wu, Hui Dong, Ceng Luo
Tissue injury is known to produce inflammation and pain. Synaptic potentiation between peripheral nociceptors and spinal lamina I neurons has been proposed to serve as a trigger for chronic inflammatory pain. Gastrodin is a main bioactive constituent of the traditional Chinese herbal medicine Gastrodia elata Blume, which has been widely used as an analgesic since ancient times. However, its underlying cellular mechanisms have remained elusive. The present study demonstrated for the first time that gastrodin exhibits an analgesic effect at the spinal level on spontaneous pain, mechanical and thermal pain hypersensitivity induced by peripheral inflammation, which is not dependent on opioid receptors and without tolerance...
November 17, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27847694/contribution-of-low-dose-computerized-tomography-with-digital-multiplanar-reconstructions-in-thoracic-epidurography-and-correlation-with-sensory-block-in-postoperative-analgesia
#7
Cyrus Motamed, Karin Chedevergne, Frederic Deschamps, Lambros Tselikas, Christian Jayr
BACKGROUND: The level of sensory block in postoperative epidural analgesia has been correlated with conventional contrast epidurography in only one study, while low-dose CT scan epidurography with multiplanar reconstruction may be a better tool for this purpose. OBJECTIVES: The primary objective of this study was to evaluate, by CT imaging and digital multiplanar reconstruction, the spread and distribution of contrast medium injected into the epidural space through a catheter inserted in a low thoracic position for postoperative analgesia...
October 2016: Anesthesiology and Pain Medicine
https://www.readbyqxmd.com/read/27843413/effectiveness-of-radiotherapy-for-metastatic-spinal-cord-compression-in-patients-with-short-life-expectancy
#8
Alexandra Giraldo, Sergi Benavente, Mónica Ramos, Ramona Vergés, Odimar Coronil, Lina Arbeláez, Xavier Maldonado, Manuel Altabas, Meritxell Mollà, Victoria Reyes, Begoña Navalpotro, Jordi Giralt
AIM: To analyze the effect of radiotherapy (RT) in patients with metastatic spinal cord compression (MSCC) and poor prognosis in our center. BACKGROUND: RT is an effective treatment for MSCC. MATERIALS AND METHODS: Prospective evaluation on patients with MSCC and limited survival (according to Rades' scale), and treated with single-dose 8 Gy RT (February 2013-August 2014). Pain, ambulatory status and sphincter control were recorded. Pain relief was evaluated following the International Bone Metastases Consensus Working Party Guidelines...
January 2017: Reports of Practical Oncology and Radiotherapy
https://www.readbyqxmd.com/read/27820738/an-update-on-pain-management-for-elderly-patients-undergoing-ambulatory-surgery
#9
Xuezhao Cao, Ofelia L Elvir-Lazo, Paul F White, Roya Yumul, Jun Tang
PURPOSE OF REVIEW: The aim of this review is to provide an overview of the drugs and techniques used for multimodal postoperative pain management in the older population undergoing surgery in the ambulatory setting. RECENT FINDINGS: Interest has grown in the possibility of adding adjuncts to a single shot nerve block in order to prolong the local anesthetic effect. The rapid and short-acting local anesthetics for spinal anesthesia are potentially beneficial for day-case surgery in the older population because of shorter duration of the motor block, faster recovery, and less transient neurologic symptoms...
December 2016: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/27808426/venlafaxine-and-oxycodone-have-different-effects-on-spinal-and-supra-spinal-activity-in-man-a-somatosensory-evoked-potential-study
#10
Dina Lelic, Massimiliano Valeriani, Iben W D Fischer, Albert Dahan, Asbjørn M Drewes
INTRODUCTION: Opioids and antidepressants that inhibit serotonin and norepinephrine reuptake (SNRI) are recognized as analgesics to treat severe and moderate pain, but for both of them the mechanisms in humans remain unclear. This study aimed to explore how oxycodone (opioid) and venlafaxine (SNRI) modulate spinal and supraspinal sensory processing. METHODS: Twenty volunteers were included in this randomized, double blinded, three-way (placebo, oxycodone, venlafaxine), cross-over study...
November 3, 2016: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/27803576/continuous-cervical-epidural-analgesia-in-metastatic-spinal-cord-compression
#11
Mahesh Menon, Nafisa Taha, Navita Purohit, Vatsal Kothari, Shweta Singh
Metastatic spinal cord compression is a devastating complication of cancer. Patients may often require high doses of opioids that may cause side effects, myoclonus being one such. A 63-year-old male suffering from malignant spinal cord compression was admitted to our institution. The primary team managed him conservatively with pharmacotherapy with no relief of pain, and he experienced myoclonus and sedation as adverse effects. A continuous cervical epidural catheter with local anesthetic infusion was inserted for 5 days to control his pain...
October 2016: Indian Journal of Palliative Care
https://www.readbyqxmd.com/read/27794548/local-resiniferatoxin-induces-long-lasting-analgesia-in-a-rat-model-of-full-thickness-thermal-injury
#12
Margaux M Salas, John L Clifford, Jessica R Hayden, Michael J Iadarola, Dayna L Averitt
OBJECTIVE:  Opioid-based analgesics are a major component of the lengthy pain management of burn patients, including military service members, but are problematic due to central nervous system-mediated side effects. Peripheral analgesia via targeted ablation of nociceptive nerve endings that express the transient receptor potential vanilloid channel 1 (TRPV1) may provide an improved approach. We hypothesized that local injection of the TRPV1 agonist resiniferatoxin (RTX) would produce long-lasting analgesia in a rat model of pain associated with burn injury...
October 29, 2016: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/27792112/patient-controlled-intermittent-epidural-bolus-versus-epidural-infusion-for-posterior-spinal-fusion-after-adolescent-idiopathic-scoliosis-prospective-randomized-double-blinded-study
#13
Mehmet Ali Erdogan, Ulku Ozgul, Muharrem Uçar, Mehmet Fatih Korkmaz, Mustafa Said Aydogan, Ahmet Selim Ozkan, Cemil Çolak, Mahmut Durmuş
STUDY DESIGN: A prospective randomized double-blinded study. OBJECTIVE: To compare the efficacy and side effects of patient-controlled intermittent bolus epidural analgesia (PCIEA) and patient-controlled continuous epidural analgesia (PCCEA) for postoperative pain control in adolescent idiopathic scoliosis. SUMMARY OF BACKGROUND DATA: Epidural analgesia is an accepted efficacious and safe procedure for postoperative pain management in scoliosis surgery...
October 25, 2016: Spine
https://www.readbyqxmd.com/read/27791240/feasibility-of-day-case-total-hip-arthroplasty-a-single-centre-observational-study
#14
Jens Rolighed Larsen, Birgitte Skovgaard, Thomas Prynø, Laimonas Bendikas, Lone R Mikkelsen, Malene Laursen, Mette T Høybye, Søren Mikkelsen, Lene Bastrup Jørgensen
INTRODUCTION: Recent reports indicate that total hip arthroplasty (THA) can be further accelerated and might be managed as day-case. This could provide benefits to health care expenditure, lower patient risks and change patient satisfaction. We evaluated the feasibility, efficacy, safety and patient satisfaction of same-day (<12 hours) THA operation and discharge. METHODS: Consecutive patients were screened for eligibility (primary THA, ASA 1 or 2 physical status) and the presence of a support person to follow the patient for 48 hours postoperatively in an observational study...
October 24, 2016: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/27785357/perioperative-regional-anaesthesia-and-postoperative-longer-term-outcomes
#15
REVIEW
Jan Jakobsson, Mark Z Johnson
Regional anaesthesia provides effective anaesthesia and analgesia in the perioperative setting. Central neuraxial blocks-that is, spinal and epidural blocks-are well established as an alternative or adjunct to general anaesthesia. Peripheral blocks may be used as part of multimodal anaesthesia/analgesia in perioperative practice, reducing the need for opioid analgesics and enhancing early recovery. Furthermore, regional anaesthesia has increased in popularity and may be done with improved ease and safety with the introduction of ultrasound-guided techniques...
2016: F1000Research
https://www.readbyqxmd.com/read/27783050/morphine-protects-spinal-cord-astrocytes-from-glutamate-induced-apoptosis-via-reducing-endoplasmic-reticulum-stress
#16
Chao Zhang, Chendan Wang, Jianbo Ren, Xiangjie Guo, Keming Yun
Glutamate is not only a neurotransmitter but also an important neurotoxin in central nervous system (CNS). Chronic elevation of glutamate induces both neuronal and glial cell apoptosis. However, its effect on astrocytes is complex and still remains unclear. In this study, we investigated whether morphine, a common opioid ligand, could affect glutamate-induced apoptosis in astrocytes. Primary cultured astrocytes were incubated with glutamate in the presence/absence of morphine. It was found that morphine could reduce glutamate-induced apoptosis of astrocytes...
October 24, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27781372/sufentanil-sublingual-tablet-30-mcg-for-the-management-of-pain-following-abdominal-surgery-a-randomized-placebo-controlled-phase-3-study
#17
Harold S Minkowitz, David Leiman, Timothy Melson, Neil Singla, Karen DiDonato, Pamela P Palmer
BACKGROUND: Results from a phase-3, prospective, randomized, double-blind, placebo-controlled trial evaluating sufentanil sublingual tablet 30 mcg (SST) for the management of pain after ambulatory abdominal surgery are presented. METHODS: Adults with American Society of Anesthesiologists status 1 - 3 scheduled to undergo abdominoplasty, open tension-free inguinal hernioplasty, or laparoscopic abdominal surgery under general or spinal anesthesia that did not include intrathecal opioids during the operation were eligible...
October 26, 2016: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/27765707/subsequent-healthcare-utilization-associated-with-early-physical-therapy-for-new-episodes-of-low-back-pain-in-older-adults
#18
Deven A Karvelas, Sean D Rundell, Janna L Friedly, Alfred C Gellhorn, Laura S Gold, Bryan A Comstock, Patrick J Heagerty, Brian W Bresnahan, David R Nerenz, Jeffrey G Jarvik
BACKGROUND: The association between early physical therapy (PT) and subsequent healthcare utilization following a new visit for low back pain is not clear, particularly in the setting of acute low back pain. PURPOSE: To estimate the association between initiating early physical therapy following a new visit for an episode of low back pain and subsequent back-pain-specific health care utilization in older adults. STUDY DESIGN/SETTING: Prospective cohort study...
October 17, 2016: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/27762659/neurobiological-effects-of-morphine-following-spinal-cord-injury
#19
Michelle Hook, Sarah Woller, Eric Bancroft, Miriam Aceves, Mary Katherine Funk, John Hartman, Sandra M Garraway
Opioids and NSAIDs are commonly used to manage pain in the early phase of spinal cord injury (SCI). Despite its analgesic efficacy, however, our studies suggest that intrathecal (i.t.) morphine undermines locomotor recovery and increases lesion size in a rodent model of SCI. Similarly, intravenous (i.v.) morphine attenuates locomotor recovery. The current study explores whether i.v. morphine also increases lesion size after a spinal contusion (T12) injury, and quantifies the cell types that are affected by early opioid administration...
October 20, 2016: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27761113/ester-hydrolysis-differentially-reduces-aconitine-induced-anti-hypersensitivity-and-acute-neurotoxicity-involvement-of-spinal-microglial-dynorphin-expression-and-implications-for-aconitum-processing
#20
Teng-Fei Li, Nian Gong, Yong-Xiang Wang
Aconitines, including bulleyaconitine A, probably the most bioactive and abundant alkaloids in Aconitum plant, are a group of diester C19-diterpenoid alkaloids with one acetylester group attached to C8 of the diterpenoid skeleton and one benzoylester group to C14. Hydrolysis of both groups is involved in the processing of Aconitum, a traditional Chinese medicinal approach. We recently demonstrated that bulleyaconitine A produced anti-hypersensitivity, which was mediated by stimulation of spinal microglial dynorphin A expression...
2016: Frontiers in Pharmacology
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