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1.
Analgesic effects of breast- and formula feeding during routine childhood immunizations up to 1 year of age.
Viggiano, C, Occhinegro, A, Siano, MA, Mandato, C, Adinolfi, M, Nardacci, A, Caiazzo, AL, Viggiano, D, Vajro, P
Pediatric research. 2021;(5):1179-1184
Abstract
BACKGROUND Data on analgesic effects of breast/formula milk sucking while receiving routine childhood immunizations are available only in early infancy, have rarely been compared in the same study, and are not accompanied by information on mothers' satisfaction/acceptance. Here we aimed to compare the analgesic effect of both methods vs. held-only controls up to 1 year of age, and verify mothers' satisfaction. METHODS Two to 12 months children subjected to vaccine were allocated into three groups: breastfed, formula-fed, and held-only controls. A video recording was performed to analyze pain parameters: crying latency/duration and specific scales [FLACC (Face, Legs, Activity, Cry, and Consolability), NIPS (Neonatal Infant Pain Scale)]. After the procedure, mothers filled in a satisfaction questionnaire. RESULTS One-hundred and sixty-two children were recruited: 54 breastfed, 35 formula fed, and 73 controls. Breastfed showed the longest crying latency, and together with formula fed, had the shortest duration and lowest pain scores. Most mothers appreciated not only the respective feeding-mediated pain mitigation method used, but also the simply-holding procedure. In all cases, they felt reassured, with an unexpected frequent underestimation of their child's pain during the shot. CONCLUSIONS The analgesic effect of breastfeeding during vaccination extends also to children >6 months old, and is obtained by formula too. Embracing the child may help to reassure mothers. IMPACT We confirmed the analgesic effect of breastfeeding during the vaccination procedures in early infancy. We show for the first time that this effect is extended also to children up to 1 year of age, and it may be obtained by formula feeding as well. Most mothers appreciated pain mitigation not only through feeding, but also the simply-holding procedure. In all cases, mothers felt reassured, with an unexpected frequent underestimation of their child' pain during the shot. The promotion of these easily feasible and well-accepted strategies should be further encouraged within health professionals during vaccination procedures.
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2.
Tackling Pain Associated with Rheumatoid Arthritis: Proton-Sensing Receptors.
Sun, WH, Dai, SP
Advances in experimental medicine and biology. 2018;:49-64
Abstract
Rheumatoid arthritis (RA), characterized by chronic inflammation of synovial joints, is often associated with ongoing pain and increased pain sensitivity. Chronic pain that comes with RA turns independent, essentially becoming its own disease. It could partly explain that a significant number (50%) of RA patients fail to respond to current RA therapies that focus mainly on suppression of joint inflammation. The acute phase of pain seems to associate with joint inflammation in early RA. In established RA, the chronic phase of pain could be linked to inflammatory components of neuron-immune interactions and noninflammatory components. Accumulating evidence suggests that the initial inflammation and autoimmunity in RA (preclinical RA) begin outside of the joint and may originate at mucosal sites and alterations in the composition of microbiota located at mucosal sites could be essential for mucosal inflammation, triggering joint inflammation. Fibroblast-like synoviocytes in the inflamed joint respond to cytokines to release acidic components, lowering pH in synovial fluid. Extracellular proton binds to proton-sensing ion channels, and G-protein-coupled receptors in joint nociceptive fibers may contribute to sensory transduction and release of neurotransmitters, leading to pain and hyperalgesia. Activation of peripheral sensory neurons or nociceptors further modulates inflammation, resulting in neuroinflammation or neurogenic inflammation. Peripheral and central nerves work with non-neuronal cells (such as immune cells, glial cells) in concert to contribute to the chronic phase of RA-associated pain. This review will discuss actions of proton-sensing receptors on neurons or non-neuronal cells that modulate RA pathology and associated chronic pain, and it will be beneficial for the development of future therapeutic treatments.
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3.
The interfaces between vitamin D, sleep and pain.
de Oliveira, DL, Hirotsu, C, Tufik, S, Andersen, ML
The Journal of endocrinology. 2017;(1):R23-R36
Abstract
The role of vitamin D in osteomineral metabolism is well known. Several studies have suggested its action on different biological mechanisms, such as nociceptive sensitivity and sleep-wake cycle modulation. Sleep is an important biological process regulated by different regions of the central nervous system, mainly the hypothalamus, in combination with several neurotransmitters. Pain, which can be classified as nociceptive, neuropathic and psychological, is regulated by both the central and peripheral nervous systems. In the peripheral nervous system, the immune system participates in the inflammatory process that contributes to hyperalgesia. Sleep deprivation is an important condition related to hyperalgesia, and recently it has also been associated with vitamin D. Poor sleep efficiency and sleep disorders have been shown to have an important role in hyperalgesia, and be associated with different vitamin D values. Vitamin D has been inversely correlated with painful manifestations, such as fibromyalgia and rheumatic diseases. Studies have demonstrated a possible action of vitamin D in the regulatory mechanisms of both sleep and pain. The supplementation of vitamin D associated with good sleep hygiene may have a therapeutic role, not only in sleep disorders but also in the prevention and treatment of chronic pain conditions.
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4.
Subjective perceived impact of Tai Chi training on physical and mental health among community older adults at risk for ischemic stroke: a qualitative study.
Zheng, G, Xiong, Z, Zheng, X, Li, J, Duan, T, Qi, D, Ling, K, Chen, L
BMC complementary and alternative medicine. 2017;(1):221
Abstract
BACKGROUND Evidence from quantitative studies suggest that Tai Chi produces a variety of health-related benefits, but few qualitative studies have investigated how older adults perceive the benefit of Tai Chi. The objective of the current study was to qualitatively evaluate the perceived benefits of Tai Chi practice among community older population. METHODS This study was conducted with participants from a trial examining the effects of a 12-week Tai Chi training on ischemic stroke risk in community older adults (n = 170). A total of 20 participants were randomly selected from a convenience sample of participants who had completed 12-week Tai Chi training (n = 68) were interviewed regarding their perceived benefit on physical and mental health and whether Tai Chi exercise was suitable for the elderly. RESULTS All participants agreed that Tai Chi training could relax their body and make them comfortable. Most of them thought Tai Chi training could promote physical health, including relieving pain, enhancing digestion, strengthening immunity, enhancing energy and improving sleep quality, enhancing their mental and emotional state (e.g. improving mood and reducing anxiety, improving concentration and promoting interpersonal relationship). Most of participants also agreed that Tai Chi exercise was appropriate for community older people. Three primary themes emerged from content analysis: Improving physical health; Enhancing mental and emotional state; Conforming with the request of the elderly. CONCLUSION The findings indicate that regular Tai Chi exercise may have positive benefits in terms of improved physical health and mental state among community elderly population, and may be useful and feasible body-mind exercise to community elderly population for its positive effects and advantages. TRIAL REGISTRATION ChiCTR ChiCTR-TRC-13003601 . Registered 23 July 2014.
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5.
Vitamin D and patients with palliative cancer.
Björkhem-Bergman, L, Bergman, P
BMJ supportive & palliative care. 2016;(3):287-91
Abstract
Vitamin D is a hormone that is synthesised in the skin in the presence of sunlight. Sufficient vitamin D levels are important-not only for a healthy skeleton-but also for a healthy immune system. Many patients with cancer have insufficient vitamin D levels, and low vitamin D levels are associated with increased 'all-cause mortality' and especially mortality due to cancer. Low vitamin D levels have also been associated with increased risk of infections, increased pain, depressive disorders and impaired quality of life. We review the role of vitamin D in the immune system, in relation to cancer disease, pain and depression. We have recently performed an observational study in 100 patients with palliative cancer in Sweden. The main result was that low vitamin D levels were associated with higher opioid dose, that is, more pain. We also describe a case report where vitamin D supplementation resulted in radically decreased opioid dose, less pain and better well-being. Vitamin D supplementation is not connected with any adverse side effects and is easy to administrate. Thus, we hypothesise that vitamin D-supplementation to patients with palliative cancer might be beneficial and could improve their well-being, decrease pain and reduce susceptibility to infections. However, more clinical studies in this field are needed before firm conclusions can be drawn.
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6.
A systematic review of measures for reducing injection pain during adult immunization.
Hogan, ME, Kikuta, A, Taddio, A
Vaccine. 2010;(6):1514-21
Abstract
OBJECTIVE To evaluate the effectiveness of different pain-relieving interventions to reduce pain from immunization in adults. DATA SOURCES MEDLINE (1950 to October Week 3 2008) PsycINFO (1967 to December Week 1 2008), CINAHL (1982 to October Week 4 2008), EMBASE (1980 to 2008 Week 43) and the Cochrane Central Register of Controlled Trials (3rd Quarter 2008). REVIEW METHODS Databases were searched for trials of pharmacological, behavioural, physical or operator-dependant techniques to reduce pain from immunization in adults. The primary outcome was pain as assessed by visual analogue scale or other numeric rating scale. RESULTS Six studies representing 853 participants were identified. One study evaluating pharmacological interventions (lidocaine-prilocaine) found them to be effective in reducing pain from immunization. Similarly, two studies evaluating physical pain relieving techniques, either skin cooling interventions (Fluori-Methane) or tactile stimulation (manual pressure at the site of injection) found them to reduce pain. One study of jet injectors found them to be more painful than conventional needle and syringe. Neither freezing needles nor warming vaccines was found to be effective in reducing pain. No studies investigated psychological interventions or oral analgesics (acetaminophen and ibuprofen). CONCLUSION There was limited evidence to support the use of lidocaine-prilocaine, Fluori-Methane and manual pressure for reducing immunization pain in adults. There was limited evidence of more pain with jet injectors compared to needle and syringe. Due to limited data, we recommend further investigation of methods to reduce immunization pain in adults, primarily psychological and physical techniques.
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7.
Gout: epitome of painful arthritis.
VanItallie, TB
Metabolism: clinical and experimental. 2010;:S32-6
Abstract
Arthritic pain and disability are at or near the top of the list of reasons adult patients seek medical attention. At least 47.8 million US residents have arthritis. In Europe, the magnitude of the problem is similar, affecting 8 million in the United Kingdom and 108 million across the continent. Osteoarthritis is by far the most common form of arthritis. In a regional UK study, nearly half of adults 50 years or older reported some form of osteoarthritic knee pain over a 1-year period. Among the arthritides, gout is notable for the agonizing nature and unique pathogenesis of the pain it generates. Gout is the most common cause of inflammatory arthritis among men and postmenopausal women. Because of the atypical nature of some of its clinical manifestations, gout can present serious diagnostic challenges for practicing physicians. In recent years, knowledge about gout's pathogenesis, pathophysiology, and differential diagnosis has advanced on a broad front. Genetic variants within a newly identified transport gene, SLC2A9, have been associated with a low fractional excretion of uric acid and the presence of gout in several population samples. The SLC2A9 gene encodes glucose transporter 9-a unique hexose and high-capacity urate transporter. In addition, human ATP-binding cassette, subfamily G2 (ABCG2), encoded by the ABCG2 gene, has been found to mediate renal urate secretion. Introduction of a mutation encoded in a model system by a common single nucleotide polymorphism, rs2231142, resulted in a 53% reduction in urate transport rates compared with wild-type ABCG2. Based on a large population study, it has been estimated that at least 10% of all gout cases in white persons may be attributable to this single nucleotide polymorphism causal genetic variant. Of the various categories of arthritis, the crystal-induced arthropathies, gout and pseudogout, are manifested by acute inflammation and tissue damage arising from deposition in joints and periarticular tissues of monosodium urate (MSU), calcium pyrophosphate dehydrate, or basic calcium phosphate crystals. The innate immune system rapidly detects invading pathogenic microbes and nonmicrobial "danger signals" such as MSU crystals. When these crystals are deposited in synovial tissues, NLR proteins (NOD-like receptors) form multiprotein complexes known as inflammasomes that trigger secretion of inflammation-producing cytokines like interleukin-1β and interleukin-18. Usually, gout can be diagnosed by medical history, physical examination, and presence of hyperuricemia (urate >416 μmol/L). However, a urate concentration less than 416 does not by itself rule out gout. Confirmation of the diagnosis by identification of typical MSU crystals in aspirated synovial fluid is definitive. Analysis of joint fluid is mandatory to rule out septic arthritis, which can rapidly become lethal. Because of its special ability to identify and quantitate urate deposits in peripheral tissues, dual-energy computed tomography should prove valuable in the differential diagnosis of gout. Gout mimics a variety of illnesses; for example, spinal gout may masquerade as metastatic cancer, epidural abscess, and nerve compression syndrome.
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8.
A randomized controlled trial of analgesia during vaccination in adults.
Taddio, A, Lord, A, Hogan, ME, Kikuta, A, Yiu, A, Darra, E, Bruinse, B, Keogh, T, Stephens, D
Vaccine. 2010;(32):5365-9
Abstract
Although immunization injections are the most common painful medical procedures, pain-relieving interventions are not routinely used. In this randomized controlled trial, we compared the effectiveness of topical anesthesia using liposomal lidocaine to: (1) vapocoolant spray using a proprietary blend of 1,1,1,3,3-pentafluoropropane and 1,1,1,2-tetrafluoroethane; (2) nurse-administered tactile stimulation; or (3) self-directed distraction by means of reading a magazine. Liposomal lidocaine was more effective (p
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9.
Recent advancements in the pathogenesis of pain in chronic pancreatitis: the argument continues.
Navaneethan, U, Venkataraman, J
Minerva gastroenterologica e dietologica. 2010;(1):55-63
Abstract
Chronic pancreatitis is a state of chronic inflammation characterized by progressive destruction of the pancreas. Pancreatic pain, a cardinal symptom in chronic pancreatitis patients has always been a subject of great interest and controversy. The precise mechanism of pain and its persistence in chronic pancreatitis patients remain unknown. Several pancreatic, neurogenic and central hypotheses have been proposed for the pathogenesis of pain. In patients with a dilated main pancreatic duct, increased intraductal pressure due to strictures/calculi, presence of interstitial hypertension, pancreatic ischemia and fibrosis and pseudocyst have been proposed to contribute to chronic pain. "Neurogenic" or "neuropathic" theory is based on the fact that patients with chronic pancreatitis have enlarged intrapancreatic nerves with microscopic damage to nerve sheaths (mediated by growth-associated protein 43 (GAP-43), that makes them more susceptible to mediators like brain derived neurotrophic factor, nerve growth factor and TrkA and artemin, the expression of which directly correlates with severity of pain frequency and intensity. The central theory proposes that reorganization of neurons in the insula may explain the chronic pain in these patients. However all these studies have been observational. Further studies are required in the future to characterize these immune response observed in the intrapancreatic neurons in chronic pancreatitis and the neuronal changes in the brain if we are to manage these patients with chronic pain and give them a better quality of life.
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10.
Effects of morphine and its metabolites on immune function in advanced cancer patients.
Hashiguchi, S, Morisaki, H, Kotake, Y, Takeda, J
Journal of clinical anesthesia. 2005;(8):575-80
Abstract
STUDY OBJECTIVE To determine whether morphine and its active metabolites such as morphine-3-glucuronide (M-3-G) and morphine-6-glucuronide (M-6-G) modulate immune function in patients with advanced cancer who required morphine for pain relief. DESIGN Prospective observational clinical study. SETTING Pain clinic of a university hospital. PATIENTS Fifteen patients who visited our clinic for control of advanced cancer pain. INTERVENTIONS During the initiation or changes of morphine therapy, venous blood samples were obtained at the enrollment of this study, 1 and 3 weeks after the change of morphine dose or route. MEASUREMENTS Lymphocyte subpopulation CD4+ and CD8+, activity of natural killer cell, phytohemagglutinin (PHA)-induced T-cell proliferation, and plasma immunoglobulin M and G concentrations were measured, as well as plasma concentrations of morphine, M-3-G, and M-6-G. MAIN RESULTS At the entry of the study, 6 patients did not receive any type of morphine medication (group 1), whereas 9 patients were treated with morphine for 1 month (group 2). Cancer pain, rated as 4 at the entry period, was reduced to 2 of 10 (visual analogue scale) during the study periods. Although the plasma concentrations of M-3-G and M-6-G in Group 1 were significantly less than those in Group 2, plasma concentrations of immunologic markers were similar between the groups. In Group 1, Spearman linear regression analysis showed negative correlation between morphine-derived metabolites and immunoglobulins or PHA-induced T-cell proliferation, whereas poor correlation was found with all immunologic parameters in Group 2. Stepwise linear regression analyses showed that the metabolites, rather than morphine per se, modulated immune function, reflected by PHA-induced T-cell proliferation and immunoglobulin G concentration in Group 1. CONCLUSIONS The present study suggests that some of humoral and cellular immunity are modulated by morphine-derived metabolites at the early phase of morphine therapy in patients with advanced cancer.