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il 6 pain

Shaoyun Zhang, Bin Xu, Qiang Huang, Huan Yao, Jinwei Xie, Fuxing Pei
There is no consensus as to whether drainage tube should be used and how long it should remain in use after primary total knee arthroplasty (TKA). As fast-track (FT) program has been implemented in TKA, whether drainage tube could be removed early, and the ideal timing for removal after FT primary TKA has been a new topic. The purpose of this prospective cohort study was to evaluate the safety and feasibility of early removal of drainage tube when FT program was implemented in primary TKA. A total of 101 patients undergoing FT primary TKA were prospectively allocated into three groups...
October 24, 2016: Journal of Knee Surgery
Habibullah Janyaro, Juan Wan, Adnan H Tahir, Manoj K Shah, Xiao-Jing Li, Ming-Xing Ding
BACKGROUND: Visceral pain is a common symptom of several gastrointestinal disorders. Despite tremendous progress in understanding its basic mechanisms, it remains a significant health challenge for clinicians. The present study quantified the intensity of visceral pain using ileocecal ligament traction on an inflamed ileum in goats. MATERIALS AND METHODS: A total of 36 male goats weighing 20.05±2.1 kg were randomly allocated equally into a 2,4,6-trinitrobenzenesulfonic acid (TNBS) group (n=18) and a saline group (n=18)...
2016: Journal of Pain Research
Zhenlong Liu, Xiaoqing Hu, Zhentao Man, Jiying Zhang, Yanfang Jiang, Yingfang Ao
Though many surgical animal models have been used to induce osteoarthritis (OA) of the knee joint, they always open the capsule of the joint. Any surgical procedures that incises the capsule may cause inflammation, pain, and possibly altered gait. One common disadvantage of these surgically induced animal models is that they may affect the initial structures and synovial fluid in joint. These animal models may not be suitable for research into synovial fluid changes during early OA. This study aimed to create an animal model of early OA by resecting the medial collateral ligament (MCL) outside of the capsule...
October 19, 2016: Scientific Reports
Atsushi Minatani, Kentaro Uchida, Gen Inoue, Shotaro Takano, Jun Aikawa, Masayuki Miyagi, Hisako Fujimaki, Dai Iwase, Kenji Onuma, Toshihide Matsumoto, Masashi Takaso
BACKGROUND: Calcitonin gene-related peptide (CGRP) is a 37-amino-acid vasodilatory neuropeptide that binds to receptor activity-modifying protein 1 (RAMP1) and the calcitonin receptor-like receptor (CLR). Clinical and preclinical evidence suggests that CGRP is associated with hip and knee joint pain; however, the regulation mechanisms of CGRP/CGRP receptor signaling in synovial tissue are not fully understood. METHODS: Synovial tissues were harvested from 43 participants with radiographic knee osteoarthritis (OA; unilateral Kellgren/Lawrence (K/L) grades 3-4) during total knee arthroplasty...
October 17, 2016: Journal of Orthopaedic Surgery and Research
Maryam Zangene, Atefeh Ashoori Barmchi, Mansour Rezaei, Firoozeh Veisi
The aim of this study was to investigate the role of serum Interleukin-6 (IL-6) as a predictive value to make decision for surgical interventions when ovarian torsion (OT) is suspected. This study was performed on 284 women with lower abdominal pain. IL-6 levels were compared between OT (n = 67, 23.6%) and control groups (n = 217, 76.4%). For the purpose of diagnosis of OT, sensitivity and specificity of IL-6 at the cut-off point of 9.6 pg/ml were 41.79 and 82.49%, respectively. Patients with ovarian masses on ultrasound and IL-6 >9...
October 18, 2016: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
Nikele Nadur-Andrade, Camila Squarzoni Dale, Victoria Regina da Silva Oliveira, Elaine Flamia Toniolo, Regiane Dos Santos Feliciano, José Antonio da Silva, Stella Regina Zamuner
BACKGROUND: Envenoming induced by Bothrops snakebites is characterized by drastic local tissue damage that involves an intense inflammatory reaction and local hyperalgesia which are not neutralized by conventional antivenom treatment. Herein, the effectiveness of photobiomodulation to reduce inflammatory hyperalgesia induced by Bothrops moojeni venom (Bmv), as well as the mechanisms involved was investigated. METHODOLOGY/PRINCIPAL FINDINGS: Bmv (1 μg) was injected through the intraplantar route in the right hind paw of mice...
October 2016: PLoS Neglected Tropical Diseases
Christian H Roux, Violaine Foltz, Emmanuel Maheu, Gabriel Baron, Frederique Gandjbakhch, Cédric Lukas, Daniel Wendling, Damien Loeuille, Pierre Lafforgue, Liana Euler-Ziegler, Pascal Richette, Xavier Chevalier
OBJECTIVES: To explore the relationship between clinical findings, biologic biomarkers, conventional radiography and MRI in patients with painful hand OA. METHODS: The following patient baseline data from the DORA study (evaluating anti-TNF-α agents against painful hand OA) were used: clinical assessment (pain, swelling, stiffness and function: Dreiser functional hand index [FIHOA] and Cochin hand functional scale [CHFS]); measurement of biomarkers (cartilage oligomeric matrix protein (COMP), type IIA collagen N-propeptid (PIINP), hyaluronic acid (HA), ultrasensitive C-reactive protein (usCRP), tumour necrosis factor (TNF), interleukin (IL)-6, IL-1β and urinary CTXII); radiological staging (Verbruggen, Kallman, Kellgren-Lawrence); anatomical evaluation by contrast-enhanced MRI of proximal and distal interphalangeal joints of dominant hand...
September 18, 2016: Clinical and Experimental Rheumatology
Hongbo Hu, Baohui Yang, Yumin Li, Subin Zhang, Zheng Li
P2X purinoceptor 7 (P2X7) receptor (P2X7R) is known to play a significant role in inflammation and pain-causing diseases, including osteoarthritis (OA). However, the mechanisms of action of P2X7R and its role in OA remain unclear. The articular cartilage is the crucial region in which pathological changes occur in OA, involving the dysregulation of degradation and maintenance mechanisms. In this study, we aimed to reveal the molecular mechanisms of action of P2X7R in articular cartilage in OA-induced pain and inflammation by using AZD9056, an antagonist of P2X7R...
October 13, 2016: International Journal of Molecular Medicine
Khaled Elbahrawy, Alaa El-Deeb
BACKGROUND: Acute mesenteric ischemia is a life-threatening vascular emergency that requires early diagnosis, immediate anticoagulation, and intervention to restore mesenteric blood flow adequately. AIMS: To investigate the effect of rectus sheath block (RSB) for postoperative analgesia in patients with mesenteric vascular occlusion. SETTINGS AND DESIGN: Forty patients with mesenteric vascular occlusion, American Society of Anesthesiologists physical status I or II or III, scheduled for laparotomy were enrolled in this study...
September 2016: Anesthesia, Essays and Researches
Fabíula Francisca Abreu, Ana Carla Araujó de Souza, Simone Aparecida Teixeira, Antônio Garcia Soares, Daiane Franco Teixeira, Rosilene Calazans Soares, Marilia Trindade Santana, Sandra Lauton Santos, Soraia Kátia Pereira Costa, Marcelo Nicolas Muscará, Enilton Aparecido Camargo
INTRODUCTION: Acute pancreatitis (AP) may be severe and cause hospitalization or death, and the available treatment is insufficient to control pancreatic inflammation and pain. Rutin is a natural flavonoid with the potential to treat AP via anti-inflammatory, antinociceptive and antioxidant activities. AIM: This study investigated the beneficial effects of rutin on experimental AP induced by L-arginine administration in mice. METHODS: The L-arginine-induced AP model was used in Swiss mice (n = 6-8)...
October 13, 2016: Free Radical Research
George Skroubis, George Theofanis, Charalampos Spyropoulos, Anastasia Zotou, Petros Constantinopoulos, Fotis Kalfarentzos, Theodore Alexandrides
BACKGROUND: Surgery stimulates an intense systemic inflammatory response which might increase postoperative morbidity. Corticosteroids may reduce this inflammatory reaction. The purpose of this study was to investigate any possible effect on postoperative morbidity and recovery after administrating methylprednisolone in super-obese patients undergoing open surgery. METHODS: Sixty super-obese patients with BMI ≥50 kg/m(2) (mean 57.48 ± 7.33), mean age of 39 ± 9 years, who underwent an open bariatric procedure, were enrolled...
October 11, 2016: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
David M Klyne, Mary F Barbe, Paul W Hodges
Systemic inflammation is linked with development and persistence of many pathological pain states. Although chronic phase inflammatory responses are well reported, the acute phase has received limited attention. Here we investigated circulating pro-inflammatory cytokines and C-reactive protein (CRP), and explored their relationships with symptom severity and other factors in acute low back pain (LBP). Ninety-nine individuals within two weeks of onset of acute LBP and 55 pain-free controls completed questionnaires related to their pain (visual analogue scale, VAS) and disability, behaviour, sleep quality and psychological status...
October 6, 2016: Brain, Behavior, and Immunity
Y Darbaky, B Evrard, S Patrier, J Falenta, S Garcin, A Tridon, M Dapoigny, C Silberberg, A Nivoliez, L Diop
AIMS: The study evaluated the efficacy of a repeated oral treatment with two Actives Pharmaceuticals Ingredients (API - Lcr LENIO(®) and Lcr RESTITUO(®) ) derivated from the probiotic bacterial strain Lactobacillus rhamnosus Lcr35(®) in two animal models mimicking different features of Irritable Bowel Syndrome (IBS). IBS is characterized by visceral pain associated with alteration of bowel transit. IBS patients present visceral hypersensitivity with peripheral and central origins. METHODS AND RESULTS: The injection of 2,4,6-trinitrobenzenesulfonic acid (TNBS) into the proximal colon as well as an acute partial restraint stress (PRS) produce colonic hypersensitivity measured in conscious rats by a decrease in pain threshold in response to distal colonic distension...
October 8, 2016: Journal of Applied Microbiology
Juliana Maia Teixeira, Franciane Bobinski, Carlos Amílcar Parada, Kathleen A Sluka, Cláudia Herrera Tambeli
Osteoarthritis (OA) is a degenerative and progressive disease characterized by cartilage breakdown and by synovial membrane inflammation, which results in disability, joint swelling, and pain. The purinergic P2X3 and P2X2/3 receptors contribute to development of inflammatory hyperalgesia, participate in arthritis processes in the knee joint, and are expressed in chondrocytes and nociceptive afferent fibers innervating the knee joint. In this study, we hypothesized that P2X3 and P2X2/3 receptors activation by endogenous ATP (adenosine 5'-triphosphate) induces articular hyperalgesia in the knee joint of male and female rats through an indirect sensitization of primary afferent nociceptors dependent on the previous release of pro-inflammatory cytokines and/or on neutrophil migration...
October 5, 2016: Molecular Neurobiology
Jun-Ying Du, Yi Liang, Jun-Fan Fang, Yong-Liang Jiang, Xiao-Mei Shao, Xiao-Fen He, Jian-Qiao Fang
Exogenous and endogenous opioids have been shown to modulate the immune system. Morphine-induced immunosuppression has been investigated extensively. However, the immune-regulating function of endogenous opioid peptides is unclear. The present study aimed to evaluate the difference in effects on cellular immune function between recombinant rat β-endorphin (β-EP; 50 µg/kg) and plant source morphine (10 mg/kg) via intraperitoneal injection treatment in a rat model of bone cancer pain. Walker 256 cells were injected into a tibial cavity injection to establish the bone cancer pain model...
October 2016: Experimental and Therapeutic Medicine
Eliza R Pelrine, Marie-Dominique Ah-Kioon, Meng Zhang, Franck J Barrat, Robert F Spiera, Jessica K Gordon
BACKGROUND: Systemic sclerosis (SSc) is characterized by a wide variety of symptoms and disease manifestations including joint pain, gastrointestinal dysfunction, interstitial lung disease, and cardiomyopathy. QUESTIONS/PURPOSES: Using the Scleroderma Health Assessment Questionnaire (SHAQ) and Short Form-36 (SF-36) we explored how patient-reported physical health, mental health, and functional status related to these clinical characteristics and to cytokine levels utilizing the Hospital for Special Surgery Scleroderma Registry...
October 2016: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
K N Santhosh, D Pavana, N B Thippeswamy
Although immunomodulatory property and many other pharmaceutical applications of scorpion venom have been addressed before, no studies were reported about its application as a neuroimmunomodulator at therapeutic dose. In this study, we conceptualized the property of scorpion venom, capable of inducing the acute pain and neurotoxicity can cause acute stress resulting in the modulation of immune cells through HPA axis. The whole venom from Hottentotta rugiscutis, a widely seen scorpion in the region of eastern Karnataka, was extracted and injected a single dose of 1 mg/kg b...
October 4, 2016: Toxicon: Official Journal of the International Society on Toxinology
Jong-Min Kim, Seong-Il Bin, Bum-Sik Lee, Nam-Ki Kim, Ju-Ho Song, Jun-Weon Choi, Chang-Rack Lee
PURPOSE: To investigate the long-term clinical results and clinical survival rate of meniscus allograft transplantation (MAT) with bone fixation. METHODS: The inclusion criteria of this study were previous MAT with bone fixation technique in our institution and minimum follow-up duration of 8 years. Potential subjects were identified using the medical records and database that was prospectively collected from December 1996 to December 2005. The exclusion criteria were diffuse International Cartilage Repair Society grade IV articular cartilage degeneration that was not treated with a concomitant or staged cartilage repair procedure...
September 27, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
Ana T G Guerrero, Larissa G Pinto, Fernando Q Cunha, Sérgio H Ferreira, Jose C Alves-Filho, Waldiceu A Verri, Thiago M Cunha
BACKGROUND: Toll-like receptors (TLRs) including TLR4 and their signal pathways contribute to the pathogenesis of arthritis. Herein, we evaluated the mechanisms underlying the hyperalgesic response caused by TLR4 activation in the tibio-tarsal joint in mice. METHODS: Joint inflammatory hyperalgesia was induced by intra-articular (ia) injection of LPS (lipopolysaccharide- TLR4 agonist) in C57BL/6, TLR4, TLR2, MyD88, TRIF, TNFR1/2 and IL-1R1 knockout ((-/-)) mice...
August 24, 2016: Pharmacological Reports: PR
Suming Xu, Xu Wang, Yaoqin Wang, Susan Lutgendorf, Catherine Bradley, Andrew Schrepf, Karl Kreder, Michael O'Donnell, Yi Luo
Monocyte chemoattractant protein-1 (MCP-1) is one of the key chemokines that play important roles in diverse inflammatory and chronic pain conditions. Interstitial cystitis/bladder pain syndrome (IC/BPS) is a chronic and debilitating inflammatory condition of the urinary bladder characterized by the hallmark symptoms of pelvic pain and voiding dysfunction. To facilitate IC/BPS research, we used transgenic technology to develop a novel urothelial MCP-1 secretion mouse model (URO-MCP-1). A transgene consisting of the uroplakin II gene promoter and the mouse MCP-1 coding sequence with a secretory element was constructed and microinjected...
2016: PloS One
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