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https://www.readbyqxmd.com/read/28634320/comparison-of-2-analgesia-modalities-in-total-knee-replacement-surgery-is-there-an-effect-on-knee-function-rehabilitation
#1
Janis Zinkus, Lina Mockutė, Arūnas Gelmanas, Ramūnas Tamošiūnas, Arūnas Vertelis, Andrius Macas
BACKGROUND We compared the effects of continuous femoral nerve block (CFNB) and continuous intraarticular block (CIAB) on pain, functional recovery and adverse effects after total knee arthroplasty (TKA). MATERIAL AND METHODS We prospectively randomized 54 patients undergoing TKA into 2 groups: CFNB (Group F) and CIAB (Group I). Surgery was performed under spinal anesthesia. All patients received patient-controlled analgesia (PCA) with morphine, diclofenac, and acetaminophen for the first 72 h postoperatively...
June 20, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28633155/regional-anesthesia-and-pain-medicine-us-anesthesiology-resident-training-the-year-2015
#2
Joseph M Neal, Anne Gravel Sullivan, Richard W Rosenquist, Dan J Kopacz
BACKGROUND AND OBJECTIVES: The Anesthesiology Review Committee of the Accreditation Council for Graduate Medical Education sets core requirements for residency program accreditation. We periodically report and analyze the US anesthesiology residents' training experience in regional anesthesia and pain medicine. METHODS: Resident caseload, procedure, and pain medicine evaluation data were aggregated for the resident cohort who graduated in 2015. These data were analyzed for present-day experience and compared with previous reports from years 1980, 1990, and 2000 graduates...
July 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28629465/natural-igm-antibodies-that-bind-neoepitopes-exposed-as-a-result-of-spinal-cord-injury-drive-secondary-injury-by-activating-complement
#3
Aarti Narang, Fei Qiao, Carl Atkinson, Hong Zhu, Xiaofeng Yang, Liudmila Kulik, V Michael Holers, Stephen Tomlinson
BACKGROUND: Natural IgM antibodies (Abs) function as innate immune sensors of injury via recognition of neoepitopes expressed on damaged cells, although how this recognition systems function following spinal cord injury (SCI) exposes various neoepitopes and their precise nature remains largely unknown. Here, we investigated the role of two natural IgM monoclonal Abs (mAbs), B4 and C2, that recognize post-ischemic neoepitopes following ischemia and reperfusion in other tissues. METHODS: Identification of post-SCI expressed neoepitopes was examined using previously characterized monoclonal Abs (B4 and C2 mAbs)...
June 19, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28627290/continuous-adductor-canal-block-added-to-local-infiltration-analgesia-lia-after-total-knee-arthroplasty-has-no-additional-benefits-on-pain-and-ambulation-on-postoperative-day-1-and-2-compared-with-lia-alone
#4
Svava Gudmundsdottir, Jonas L Franklin
Background and purpose - The additional effects of a continuous adductor canal block (ACB) compared with a single-dose local infiltration anesthesia (LIA) after total knee arthroplasty (TKA) has not been widely researched. Both methods have good effect individually. We hypothesized that a continuous ACB added to a single-dose LIA would lower pain scores while ambulating on postoperative day 1 (POD1) and postoperative day 2 (POD2). Patients and methods - 69 participants were included in this prospective, randomized, double-blind, placebo-controlled trial...
June 19, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28625308/the-role-of-ultrasonography-in-obstetric-anesthesia
#5
REVIEW
Allison Lee, John P R Loughrey
Ultrasonography is increasingly being viewed as an everyday tool in obstetric anesthesia. For the administration of spinal or epidural anesthesia, it reduces needle redirection attempts in patients with difficult anatomy. In the less frequent scenario of a collapsed patient, it helps with assessment in the form of transthoracic echocardiography. Abdominal blocks require ultrasound guidance for safe and anatomically correct placement. Accurate assessment of gastric volume status with ultrasound would be a useful everyday skill if it is adopted into mainstream practice...
March 2017: Best Practice & Research. Clinical Anaesthesiology
https://www.readbyqxmd.com/read/28623256/lna-dna-mixmer-based-antisense-oligonucleotides-correct-alternative-splicing-of-the%C3%A2-smn2-gene-and-restore-smn-protein-expression-in-type-1-sma-fibroblasts
#6
Aleksander Touznik, Rika Maruyama, Kana Hosoki, Yusuke Echigoya, Toshifumi Yokota
Spinal muscular atrophy (SMA) is an autosomal recessive disorder affecting motor neurons, and is currently the most frequent genetic cause of infant mortality. SMA is caused by a loss-of-function mutation in the survival motor neuron 1 (SMN1) gene. SMN2 is an SMN1 paralogue, but cannot compensate for the loss of SMN1 since exon 7 in SMN2 mRNA is excluded (spliced out) due to a single C-to-T nucleotide transition in the exon 7. One of the most promising strategies to treat SMA is antisense oligonucleotide (AON)-mediated therapy...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28618070/morin-suppresses-astrocyte-activation-and-regulates-cytokine-release-in-bone-cancer-pain-rat-models
#7
Wei Jiang, Ying Wang, Wei Sun, Mengyuan Zhang
As inflammatory and immune responses are involved in pathophysiology of debilitating neuropathic pain, reagents that can modulate these two responses may have therapeutic potential. Morin, derived from the moraceae family of plants, benefits inflammation-related diseases, but its antinociceptive effects on cancer pain remain elusive. In the present study, we investigated antinociceptive effects of morin on bone cancer pain using a rat model, where rats were subject to implantation of Walker 256 mammary gland carcinoma cells into the tibia...
June 15, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28617705/liver-x-receptor-%C3%AE-is-involved-in-counteracting-mechanical-allodynia-by-inhibiting-neuroinflammation-in-the-spinal-dorsal-horn
#8
Jing Xu, Yi-Wei Feng, Ling Liu, Wei Wang, Xiong-Xiong Zhong, Xu-Hong Wei, Xian-Guo Liu
BACKGROUND: Liver X receptors, including α and β isoforms, are ligand-activated transcription factors. Whether liver X receptor α plays a role in neuropathic pain is unknown. METHODS: A spared nerve injury model was established in adult male rats and mice. Von Frey tests were performed to evaluate the neuropathic pain behavior; Western blot and immunohistochemistry were performed to understand the underlying mechanisms. RESULTS: Intrathecal injection of a specific liver X receptor agonist T0901317 or GW3965 could either prevent the development of mechanical allodynia or alleviate the established mechanical allodynia, both in rats and wild-type mice...
June 15, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28616651/comparison-of-efficacy-of-transversus-abdominis-plane-block-and-iliohypogastric-ilioinguinal-nerve-block-for-postoperative-pain-management-in-patients-undergoing-inguinal-herniorrhaphy-with-spinal-anesthesia-a-prospective-randomized-controlled-open-label-study
#9
Onur Okur, Zeki Tuncel Tekgul, Nazif Erkan
PURPOSES: The purpose of this study was to compare the effects of lateral abdominal transversus abdominis plane block (TAP block) and iliohypogastric/ilioinguinal nerve block (IHINB) under ultrasound guidance for postoperative pain management of inguinal hernia repair. Secondary purposes were to compare the complication rates of the two techniques and to examine the effects of TAP block and IHINB on chronic postoperative pain. METHODS: This was a prospective randomized controlled open-label study...
June 14, 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/28615336/prevention-and-reversal-of-latent-sensitization-of-dorsal-horn-neurons-by-glial-blockers-in-a-model-of-low-back-pain-in-male-rats
#10
Juanjuan Zhang, Siegfried Mense, Rolf-Detlef Treede, Ulrich Hoheisel
In an animal model of non-specific low back pain, recordings from dorsal horn neurons were made to investigate the influence of glial cells in the central sensitization process. To induce a latent sensitization of the neurons, nerve growth factor (NGF) was injected into the multifidus muscle; the manifest sensitization to a second NGF injection 5 days later was used as a read-out. The sensitization manifested in increased resting activity and in an increased proportion of neurons responding to stimulation of deep somatic tissues...
June 14, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28612319/involvement-of-nf-%C3%AE%C2%BAb-and-the-cx3cr1-signaling-network-in-mechanical-allodynia-induced-by-tetanic-sciatic-stimulation
#11
Zhe-Chen Wang, Li-Hong Li, Chao Bian, Liu Yang, Ning Lv, Yu-Qiu Zhang
Tetanic stimulation of the sciatic nerve (TSS) triggers long-term potentiation in the dorsal horn of the spinal cord and long-lasting pain hypersensitivity. CX3CL1-CX3CR1 signaling is an important pathway in neuronal-microglial activation. Nuclear factor κB (NF-κB) is a key signal transduction molecule that regulates neuroinflammation and neuropathic pain. Here, we set out to determine whether and how NF-κB and CX3CR1 are involved in the mechanism underlying the pathological changes induced by TSS. After unilateral TSS, significant bilateral mechanical allodynia was induced, as assessed by the von Frey test...
June 13, 2017: Neuroscience Bulletin
https://www.readbyqxmd.com/read/28611929/epidural-anesthesia-for-cesarean-section-in-a-pregnant-woman-with-marfan-syndrome-and-dural-ectasia
#12
Franco Pepe, Mariagrazia Stracquadanio, Francesco De Luca, Agata Privitera, Elisabetta Sanalitro, Puccio Scarpinati
Marfan syndrome (MFS) is a genetic disorder of connective tissue, characterized by variable clinical features and multisystem complications. The anesthetic management during delivery is debated. Regional anesthesia has been used with success during cesarean delivery, but in some MFS patients there is a probability of erratic and inadequate spread of intrathecal local anesthetics as a result of dural ectasia. In these cases, epidural anesthesia may be a particularly useful technique during cesarean delivery because it allows an adequate spread and action of local anesthetic with a controlled onset of anesthesia, analgesia, and sympathetic block and a low risk of perioperative complications...
2017: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28608248/the-analgesic-effect-of-trans-resveratrol-is-regulated-by-calcium-channels-in-the-hippocampus-of-mice
#13
Weijie Wang, Yingcong Yu, Jing Li, Lin Wang, Zhi Li, Chong Zhang, Linlin Zhen, Lianshu Ding, Gang Wang, Xiaoyang Sun, Ying Xu
Resveratrol has been widely studied in terms of it's potential to slow the progression of many diseases. But little is known about the mechanism of action in neuropathic pain. Neuropathic pain is the main type of chronic pain associated with tissue injury. Calcium channels and calcium/caffeine-sensitive pools are associated with analgesic pathway involving neuropathic pain. Our previous study suggested that the antinociceptive effect of resveratrol was involved in Ca(2+)/calmodulin-dependent signaling in the spinal cord of mice...
June 12, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28606623/the-interaction-between-alpha-7-nicotinic-acetylcholine-receptor-and-nuclear-peroxisome-proliferator-activated-receptor-%C3%AE-represents-a-new-antinociceptive-signaling-pathway-in-mice
#14
Giulia Donvito, Deniz Bagdas, Wisam Toma, Elnaz Rahimpour, Asti Jackson, Julie A Meade, Shakir AlSharari, Abhijit R Kulkarni, F Ivy Carroll, Aron H Lichtman, Roger L Papke, Ganesh A Thakur, M Imad Damaj
Recently, α7 nicotinic acetylcholine receptors (nAChRs), primarily activated by binding of orthosteric agonists, represent a target for anti-inflammatory and analgesic drug development. These receptors may also be modulated by positive allosteric modulators (PAMs), ago-allosteric ligands (ago-PAMs), and α7-silent agonists. Activation of α7 nAChRs has been reported to increase the brain levels of endogenous ligands for nuclear peroxisome proliferator-activated receptors type-α (PPAR-α), palmitoylethanolamide (PEA) and oleoylethanolamide (OEA), in a Ca(2+)-dependent manner...
June 9, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28599806/pharmacokinetics-of-bupivacaine-after-bilateral-ultrasound-guided-transversus-abdominis-plane-block-following-cesarean-delivery-under-spinal-anesthesia
#15
B Trabelsi, R Charfi, L Bennasr, S Ben Marzouk, H Eljebari, N Jebabli, M Ben Sassi, S Trabelsi, H Maghrebi
BACKGROUND: Transversus abdominis plane block is an effective method of post-cesarean analgesia. There are no data available about plasma bupivacaine levels after this block in adults. This study aimed to assess bupivacaine pharmacokinetic parameters after ultrasound-guided transversus abdominis plane blocks following cesarean delivery under spinal anesthesia. METHODS: A prospective observational study in parturients undergoing elective cesarean delivery under hyperbaric bupivacaine spinal anesthesia was conducted...
April 22, 2017: International Journal of Obstetric Anesthesia
https://www.readbyqxmd.com/read/28598099/-emulsified-sevoflurane-selectively-blocking-spinal-cord-and-brain-in-rabbit-model
#16
Peng Zhang, Ping-Liang Yang, Xin-Xin Sun, Tao Zhu, Ling Ye
OBJECTIVES: To establish the rabbits model of selectively anesthetized brain and spinal cord and to explore the skeletal muscle relaxation sites of sevoflurane. METHODS: Sixteen adult male New Zealand white rabbits were randomly assigned to the experiment. The upper torso systemic circulation and the lower torso bypass circulation were independently established by the ligation of thoracic aorta at T12-L1 level. Sevoflurane was administered to the upper or lower torso through lungs or oxygenator to selectively anesthetized brain or spinal cord (mainly lumbar and sacro-coccygeal region)...
September 2016: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28589067/intraoperative-dexmedetomidine-induced-polyuric-syndrome
#17
Shannon Granger, David Ninan
A 23-year-old male trauma patient with a cervical spine fracture underwent an anterior and posterior discectomy and spinal fusion surgery. The patient presented to the operating room with a stabilizing halo fixation device in place, and a fiberoptic intubation was performed with dexmedetomidine for sedation. During the surgical procedure, general anesthesia was maintained with a propofol and remifentanil infusion as the patient was monitored using somatosensory and motor evoked potentials. The patient's urine output increased gradually during the nine-hour surgical procedure from 150 mL/hour to over 700 mL/hour in the eighth hour of the procedure, where it remained until the end of the procedure...
May 3, 2017: Curēus
https://www.readbyqxmd.com/read/28587350/effects-of-hyperbaric-factors-on-lidocaine-induced-apoptosis-in-spinal-neurons-and-the-role-of-p38-mitogen-activated-protein-kinase-in-rats-with-diabetic-neuropathic-pain
#18
Xiaolan Zheng, Ling Chen, Xiaohong Du, Junying Cai, Shuchun Yu, Hongtao Wang, Guohai Xu, Zhenzhong Luo
The application of lidocaine can lead to nerve damage. Evidence suggests that patients with diabetic neuropathy are at a higher risk for neurotoxicity. In the present study, the successful induction of diabetic neuropathic pain (DNP) in rats via a high-sugar, high-fat diet and intraperitoneal injection of 1% streptozotocin was verified and pronounced tactile allodynia was observed. It was found that intrathecal injections of hyperbaric lidocaine produced motor blocks of longer durations in the DNP model rats than in nondiabetic rats, or in DNP model rats injected with isobaric lidocaine...
June 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28579906/dexmedetomidine-attenuates-neuropathic-pain-in-chronic-constriction-injury-by-suppressing-nr2b-nf-%C3%AE%C2%BAb-and-inos-activation
#19
Feng Liang, Miao Liu, Xin Fu, Xueying Zhou, Peng Chen, Fanglei Han
The effective treatment of patients suffering from neuropathic pain remains challenging. Dexmedetomidine (DEX) possesses anti-inflammatory activity. However, the role of DEX in neuropathic pain is still unclear. The aim of the present study was to examine DEX an α2-adrenoceptor agonist could improve pain hypersensitivity and reduce inflammatory in a chronic constriction injury (CCI) model of the sciatic nerve in Sprague-Dawley rats. Dex was intrathecally administrated 1-h after operation. The paw mechanical withdrawal threshold (MWT) and paw withdrawal thermal latency (PWTL) were measured on day 1 before operation and on days 1, 7, 14 and 21 after operation, respectively...
May 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/28576901/anankle-trial-study-protocol-a-randomised-trial-comparing-pain-profiles-after-peripheral-nerve-block-or-spinal-anaesthesia-for-ankle-fracture-surgery
#20
Rune Sort, Stig Brorson, Ismail Gögenur, Ann Merete Møller
INTRODUCTION: Ankle fracture surgery is a common procedure, but the influence of anaesthesia choice on postoperative pain and quality of recovery is poorly understood. Some authors suggest a benefit of peripheral nerve block (PNB) in elective procedures, but the different pain profile following acute fracture surgery and the rebound pain on cessation of the PNB both remain unexplored. We present an ongoing randomised study aiming to compare primary PNB anaesthesia with spinal anaesthesia for ankle fracture surgery regarding postoperative pain profiles and quality of recovery...
June 2, 2017: BMJ Open
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