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1.
Poult Sci ; 100(3): 100948, 2021 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-33652527

RESUMO

Impaired walking ability in terms of slight or definite defects is more common in broiler production than lameness that obviously hinders movement, but it has received limited scientific attention. This study aimed to compare behavior of conventional broilers with impaired walking ability (assessed as gait score (GS) 2) with those walking normally (GS0) and those with only a slight gait defect (GS1). Behavior in the home environment was registered, and an analgesic intervention to quantify changes in time budgets indicating pain relief was applied. The study included 192 Ross 308 broilers. On day 27 of age, the birds were distributed as evenly as possible into birds of GS0 and GS2 of each sex based on obtained gait score. Following this, each experimental bird was housed with 3 companion birds. On days 30 and 32 of age, the behavior in the home pens was recorded. All experimental birds were injected with the NSAID carprofen on one of the 2 d and saline on the other. The statistical analyses used the GS scored on the day of recording as explanatory factor. Compared to GS0 birds, GS2 birds tended to be more inactive (mean (CI): 4,193 (3,971-4416) vs. 4,005 (3,753-4,257) s; P = 0.074), spent more time sitting while feeding (306 (266-353) vs. 213 (180-251) s; P = 0.026), were less likely to perch (probability: 0.78 (0.69-0.85) vs. 0.91 (0.85-0.95); P = 0.012), and spent less time performing comfort behavior (749 (689-814) s vs. 875 (792-967) s; P = 0.043). Compared to GS1 birds, GS2 birds spent more time inactive (GS1: 4,022 (3,818-4225) s; P = 0.027), less time foraging (289 (253-329) vs. 347 (309-388) s; P = 0.047), and were less likely to perch (GS1: 0.90 (0.86-0.93); P = 0.001). For some of these behavioral variables, administration of carprofen led to behavioral changes across the GSs, which may suggest that the behavioral expression of the broilers was limited by pain. These findings are of relevance to animal welfare, but the underlying causes are still not fully clarified.


Assuntos
Bem-Estar do Animal , Comportamento Animal , Galinhas , Marcha , Coxeadura Animal , Dor , Animais , Coxeadura Animal/etiologia , Coxeadura Animal/psicologia , Dor/complicações , Dor/psicologia , Dor/veterinária , Caminhada
2.
Int J Mol Sci ; 22(4)2021 Feb 17.
Artigo em Inglês | MEDLINE | ID: mdl-33671213

RESUMO

Palmitoylethanolamide (PEA), a fatty acid amide, has been widely investigated for its analgesic and anti-inflammatory properties. The ultra-micronized formulation of PEA (um-PEA), that has an enhanced rate of dissolution, is extensively used. Acetyl-l-carnitine (LAC), employed for the treatment of neuropathic pain in humans, is able to cause analgesia by up-regulating type-2 metabotropic glutamate (mGlu2) receptors. In the present study, we tested different associations of um-PEA, LAC and non-micronized PEA (non-m-PEA) in a rat model of carrageenan (CAR)-induced paw edema. Intraplantar injection of CAR into the hind paw of animals caused edema, thermal hyperalgesia, accumulation of infiltrating inflammatory cells and augmented myeloperoxidase (MPO) activity. All these parameters were decreased in a significantly manner by oral administration of a compound constituted by a mixture of um-PEA and LAC in relation 1:1 (5 mg/kg), but not with the association of single compounds administered one after the other. These findings showed the superior anti-inflammatory and anti-nociceptive action displayed by oral administration of um-PEA and LAC versus LAC plus, separate but consecutive, um-PEA in the rat paw CAR model of inflammatory pain.


Assuntos
Acetilcarnitina/uso terapêutico , Amidas/uso terapêutico , Etanolaminas/uso terapêutico , Inflamação/tratamento farmacológico , Dor/tratamento farmacológico , Ácidos Palmíticos/uso terapêutico , Acetilcarnitina/farmacologia , Amidas/farmacologia , Animais , Carragenina , Contagem de Células , Ciclo-Oxigenase 2/metabolismo , Modelos Animais de Doenças , Edema/complicações , Edema/tratamento farmacológico , Edema/patologia , Etanolaminas/farmacologia , Hiperalgesia/complicações , Hiperalgesia/tratamento farmacológico , Inflamação/complicações , Molécula 1 de Adesão Intercelular/metabolismo , Interleucina-1beta/metabolismo , Masculino , Mastócitos/efeitos dos fármacos , Óxido Nítrico Sintase Tipo II/metabolismo , Dor/complicações , Dor/patologia , Ácidos Palmíticos/farmacologia , Peroxidase/metabolismo , Ratos Sprague-Dawley , Fatores de Tempo , Fator de Necrose Tumoral alfa/metabolismo
3.
Proc Natl Acad Sci U S A ; 118(1)2021 01 05.
Artigo em Inglês | MEDLINE | ID: mdl-33443201

RESUMO

Osteoarthritis (OA), the leading cause of pain and disability worldwide, disproportionally affects individuals with obesity. The mechanisms by which obesity leads to the onset and progression of OA are unclear due to the complex interactions among the metabolic, biomechanical, and inflammatory factors that accompany increased adiposity. We used a murine preclinical model of lipodystrophy (LD) to examine the direct contribution of adipose tissue to OA. Knee joints of LD mice were protected from spontaneous or posttraumatic OA, on either a chow or high-fat diet, despite similar body weight and the presence of systemic inflammation. These findings indicate that adipose tissue itself plays a critical role in the pathophysiology of OA. Susceptibility to posttraumatic OA was reintroduced into LD mice using implantation of a small adipose tissue depot derived from wild-type animals or mouse embryonic fibroblasts that undergo spontaneous adipogenesis, implicating paracrine signaling from fat, rather than body weight, as a mediator of joint degeneration.


Assuntos
Tecido Adiposo/metabolismo , Lipodistrofia/metabolismo , Osteoartrite do Joelho/metabolismo , Tecido Adiposo/fisiopatologia , Tecido Adiposo/transplante , Adiposidade , Animais , Peso Corporal , Cartilagem/patologia , Citocinas/metabolismo , Dieta Hiperlipídica/efeitos adversos , Modelos Animais de Doenças , Suscetibilidade a Doenças/complicações , Suscetibilidade a Doenças/metabolismo , Feminino , Fibroblastos/metabolismo , Hiperplasia/complicações , Inflamação/metabolismo , Lipodistrofia/diagnóstico por imagem , Lipodistrofia/genética , Lipodistrofia/fisiopatologia , Locomoção , Masculino , Camundongos , Força Muscular , Osteoartrite do Joelho/complicações , Osteoartrite do Joelho/diagnóstico por imagem , Osteoartrite do Joelho/prevenção & controle , Dor/complicações , Comunicação Parácrina/fisiologia
4.
Muscle Nerve ; 63(4): 538-545, 2021 04.
Artigo em Inglês | MEDLINE | ID: mdl-33433915

RESUMO

BACKGROUND: Several studies of patients with polyneuropathy failed to show differences between patients with and without pain. In the current study, we aimed to explore the association between neuropathic symptoms, mainly pain, and polyneuropathy characteristics. METHODS: A prospective cross-sectional study recruiting 151 patients with non-diabetic polyneuropathy was performed between November 2016 and May 2017. A total of 38 patients with chronic inflammatory demyelinating neuropathy were excluded. Patients underwent clinical, electrophysiological and functional assessments of their polyneuropathy. Polyneuropathy characteristics were compared depending on the presence and severity of neuropathic symptoms. RESULTS: The presence and the severity of weakness were associated with a more severe neuropathy as measured by clinical, electrophysiological and functional assessments, while the presence of pain was associated with higher sural amplitudes, and the severity of pain showed a curvilinear association with neuropathy severity. CONCLUSIONS: Our study shows a novel finding of a curvilinear association between pain and polyneuropathy severity.


Assuntos
Neuropatias Diabéticas/fisiopatologia , Dor/fisiopatologia , Polineuropatias/complicações , Polirradiculoneuropatia Desmielinizante Inflamatória Crônica/fisiopatologia , Adulto , Idoso , Estudos Transversais , Neuropatias Diabéticas/complicações , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Condução Nervosa/fisiologia , Dor/complicações , Polineuropatias/diagnóstico , Polineuropatias/fisiopatologia , Polirradiculoneuropatia Desmielinizante Inflamatória Crônica/complicações , Estudos Prospectivos
5.
Support Care Cancer ; 29(1): 289-300, 2021 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-32358776

RESUMO

PURPOSE: To investigate lifestyle in a population-based sample of long-term (≥ 5 years since diagnosis) young adult cancer survivors (YACSs), and explore factors associated with not meeting the lifestyle guidelines for physical activity (PA), body mass index (BMI), and smoking. METHODS: YACSs (n = 3558) diagnosed with breast cancer (BC), colorectal cancer (CRC), non-Hodgkin lymphoma (NHL), acute lymphoblastic leukemia (ALL), or localized malignant melanoma (MM) between the ages of 19 and 39 years and treated between 1985 and 2009 were invited to complete a mailed questionnaire. Survivors of localized MM treated with limited skin surgery served as a reference group for treatment burden. RESULTS: In total, 1488 YACSs responded (42%), and 1056 YACSs were evaluable and included in the present study (74% females, average age at survey 49 years, average 15 years since diagnosis). Forty-four percent did not meet PA guidelines, 50% reported BMI ≥ 25 and 20% smoked, with no statistically significant differences across diagnostic groups. Male gender, education ≤ 13 years, comorbidity, lymphedema, pain, chronic fatigue, and depressive symptoms were associated with not meeting single and/or an increasing number of lifestyle guidelines. CONCLUSION: A large proportion of long-term YACSs do not meet the lifestyle guidelines for PA, BMI, and/or smoking. Non-adherence to guidelines is associated with several late effects and/or comorbidities that should be considered when designing lifestyle interventions for YACSs.


Assuntos
Sobreviventes de Câncer/estatística & dados numéricos , Exercício Físico/psicologia , Estilo de Vida Saudável , Cooperação do Paciente/estatística & dados numéricos , Sobreviventes/estatística & dados numéricos , Adulto , Índice de Massa Corporal , Neoplasias da Mama/terapia , Sobreviventes de Câncer/psicologia , Neoplasias Colorretais/terapia , Comorbidade , Estudos Transversais , Feminino , Humanos , Masculino , Melanoma/terapia , Pessoa de Meia-Idade , Dor/complicações , Neoplasias Cutâneas/terapia , Fumar/epidemiologia , Inquéritos e Questionários , Sobreviventes/psicologia , Adulto Jovem
6.
Global Health ; 16(1): 119, 2020 12 18.
Artigo em Inglês | MEDLINE | ID: mdl-33339523

RESUMO

BACKGROUND: The pattern of fatigue in older psychiatric patients during the COVID-19 outbreak was unknown. This study examined the prevalence of fatigue and its association with overall quality of life (overall QOL) in clinically stable older patients with psychiatric disorders during the COVID-19 outbreak. METHODS: This was a multicenter, cross-sectional study. Fatigue, depressive symptoms, pain, insomnia symptoms, and overall QOL were assessed with standardized instruments. RESULTS: A total of 1063 patients were recruited. The prevalence of fatigue was 47.1% (95%CI: 44.1-50.1%). An analysis of covariance revealed that overall QOL was significantly lower in patients with fatigue compared to those without (P = 0.011). A multiple logistic regression analysis revealed that more severe depressive symptoms (OR = 1.15, P < 0.001), insomnia symptoms (OR = 1.08, P < 0.001) and pain (OR = 1.43, P < 0.001) were significantly associated with fatigue. CONCLUSIONS: Fatigue is common among clinically stable older patients with psychiatric disorders during the COVID-19 outbreak. Considering its negative impact on overall QOL, regular assessment of fatigue and appropriate treatment warrant attention in this subpopulation.


Assuntos
/complicações , Fadiga/complicações , Transtornos Mentais/complicações , Dor/complicações , Qualidade de Vida , Índice de Gravidade de Doença , Distúrbios do Início e da Manutenção do Sono/complicações , Fatores Etários , Idoso , Idoso de 80 Anos ou mais , /psicologia , Estudos Transversais , Depressão/complicações , Depressão/epidemiologia , Transtorno Depressivo/complicações , Transtorno Depressivo/epidemiologia , Surtos de Doenças , Fadiga/epidemiologia , Feminino , Humanos , Modelos Logísticos , Masculino , Transtornos Mentais/epidemiologia , Pessoa de Meia-Idade , Dor/epidemiologia , Prevalência , Distúrbios do Início e da Manutenção do Sono/epidemiologia , Isolamento Social/psicologia , Inquéritos e Questionários
7.
Rev Med Suisse ; 16(708): 1796-1800, 2020 Sep 30.
Artigo em Francês | MEDLINE | ID: mdl-32997449

RESUMO

Behavioural disorders in adults with mental disabilities are very common and represent a diagnostic challenge. In fact, they often hide a somatic problem, which is more frequent in this population compared to the general population. These somatic symptoms may cause or enhance psychiatric symptoms. People with mental disabilities often have difficulties expressing their pain, which often manifests itself as mood changes. Consequently, it is important to be able to identify the pain as a priority and to treat it. The general practitioner should therefore check for the most common somatic complaints in people with mental disabilities, with the help of the acronym DODUGO (Dental, Otic, Digestive, UroGenital, Orthopaedic).


Assuntos
Deficiência Intelectual , Sintomas Inexplicáveis , Comportamento Problema , Adulto , Humanos , Deficiência Intelectual/complicações , Deficiência Intelectual/psicologia , Dor/complicações , Dor/diagnóstico , Dor/psicologia , Transtornos da Personalidade/complicações , Transtornos da Personalidade/diagnóstico , Transtornos da Personalidade/psicologia
8.
PLoS One ; 15(9): e0238494, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32886686

RESUMO

The purposes of this study were to investigate the influence of the orthodontics-first approach (OFA) and surgery-first approach (SFA) on changes in the signs and symptoms of temporomandibular joint disorders (TMDs) and to compare pre- and postoperative orthodontic treatment duration and total treatment duration between the two approaches. This retrospective study recruited 182 adult patients with malocclusions treated with OFA and SFA and recorded variables such as age, gender, skeletal classification, and signs and symptoms of TMD (clicking and pain disorders) before the start of the surgical-orthodontic treatment and after surgery. Changes in the signs and symptoms of TMD and treatment duration were evaluated within each approach and compared between two approaches. A binary logistic regression was performed to assess the influence of the variables on the postoperative signs and symptoms of TMD. There were no significant postoperative changes in temporomandibular joint (TMJ) pain for OFA and SFA, whereas a significant reduction was found in TMJ clicking after surgery for both approaches. According to binary logistic regression, the type of surgical-orthodontic treatment (OFA or SFA) was not a significant risk factor for postoperative TMJ clicking and pain, and the risk of postoperative TMJ clicking and pain was significant only when TMJ clicking (OR = 10.774, p < 0.001) and pain (OR = 26.876, p = 0.008) existed before the start of the entire treatment, respectively. With regard to the treatment duration, SFA (21.1 ± 10.3 months) exhibited significantly shorter total treatment duration than OFA (34.4 ± 11.9 months) (p < 0.001). The results of this study suggest that surgical-orthodontic treatment using SFA can be a feasible option of treatment for dentofacial deformities based on the equivalent effect on TMD and shorter overall treatment period compared to conventional surgical-orthodontic treatment using OFA.


Assuntos
Procedimentos Cirúrgicos Ortognáticos/efeitos adversos , Procedimentos Cirúrgicos Ortognáticos/métodos , Articulação Temporomandibular/cirurgia , Adulto , Ossos Faciais , Feminino , Humanos , Masculino , Ortodontia , Cirurgia Ortognática , Dor/complicações , Estudos Retrospectivos , Transtornos Somatoformes/complicações , Transtornos da Articulação Temporomandibular/terapia
9.
PLoS One ; 15(8): e0237447, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32776988

RESUMO

BACKGROUND: Extracorporeal shock wave therapy (ESWT) has been used as a safe alternative treatment for refractory musculoskeletal diseases, such as plantar fasciitis, Achilles tendinopathy and gluteal tendinopathy, and various forms of fibromatosis including palmar or penile fibromatosis. However, there is limited published data for clinical and sonographic features of plantar fibromatosis after ESWT. The purpose of this study was to evaluate the long-term clinical outcome of ESWT in ultrasonography-confirmed plantar fibromatosis and ultrasonographic changes of plantar fibroma after ESWT. METHODS: Medical charts of 26 patients (30 feet) with plantar fibromatosis confirmed by ultrasonography were reviewed. Finally, a total of 10 feet who underwent ESWT for "Poor" or "Fair" grade of Roles-Maudsley Score (RMS) and symptoms persisted for >6 months were included in this study. Short-term follow-up was conducted one week after ESWT and long-term follow-up time averaged 34.0 months. The Numerical Rating Scale (NRS) and RMS were collected for the evaluation of clinical features. Follow-up ultrasonography was conducted at long-term follow-up and changes of plantar fibroma was assessed. A greater than 50% reduction in the NRS and achievement of a "good" or "excellent" grade in the RMS were regarded as treatment success. Additionally, medical charts of 144 patients (168 feet) with plantar fasciitis confirmed by ultrasonography were reviewed and subsequently, 42 feet who underwent ESWT with the same protocol were included for the comparison of clinical features. RESULTS: In plantar fibromatosis, baseline NRS (6.2 ± 1.3) and RMS (3.5 ± 0.5) were significantly improved at short-term follow-up (NRS, 1.8 ± 1.0; RMS, 2.0 ± 0.8, P < .001, respectively) and long-term follow-up (NRS, 0.6 ± 1.1; RMS, 1.4 ± 0.8, P < .001, respectively). Treatment success was recorded in seven feet (70.0%) at short-term follow-up and 8 feet (80%) at long-term follow-up, which is comparable to that of the plantar fasciitis group (28 feet, 66.7%; 35 feet, 83.3%, respectively). In long-term follow-up ultrasonography, mean fibroma thickness was reduced from 4.4±1.0 to 2.6±0.8 mm (P = .003); however, length and width were not significantly changed. There were no serious adverse effects. CONCLUSION: While these are preliminary findings, and must be confirmed in a randomized placebo control study, ESWT can have a beneficial long-term effect on pain relief and functional outcomes in painful plantar fibromatosis. However, ESWT is unlikely to affect the ultrasonographic morphology of plantar fibroma, with the exception of reducing the thickness. LEVEL OF EVIDENCE: Level III, retrospective cohort study.


Assuntos
Tratamento por Ondas de Choque Extracorpóreas , Fibromatose Plantar/diagnóstico por imagem , Fibromatose Plantar/terapia , Dor/complicações , Adulto , Idoso , Feminino , Fibromatose Plantar/complicações , Seguimentos , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Ultrassonografia
10.
J Neurovirol ; 26(5): 800-801, 2020 10.
Artigo em Inglês | MEDLINE | ID: mdl-32779108

RESUMO

A woman in her forties with asthma and COPD was admitted to a general medical floor with respiratory symptoms, body aches, and anosmia. Reverse transcription polymerase chain reaction detected severe acute respiratory syndrome coronavirus-2. Admission labs, including biomarkers of the systemic immunological dysfunction seen in many cases of coronavirus disease 2019 (COVID-19), were within normal ranges. On the second day of admission, she developed neck and back pain that was constant, burning in quality, and exacerbated by light touch and heat. Wearing clothing caused pain and interfered with her sleep. The area was tender to light finger stroke. The patient was given acetaminophen, NSAIDs, and opioids with no relief of pain. However, gabapentin was effective. At follow-up 1 month later, her symptoms were improved and still relieved by gabapentin. Neuropathic pain was seen in over 2% of COVID-19 patients in one observational study. The pain seen in our case was bilateral, involved an area innervated by multiple levels of spinal nerves, and was limited to the back. While it is rare, a significant number of COVID-19 patients are afflicted by neuropathic pain, and our case illustrates that gabapentin may be effective.


Assuntos
Síndrome de Sobreposição da Doença Pulmonar Obstrutiva Crônica e Asma/complicações , Dor nas Costas/complicações , Infecções por Coronavirus/complicações , Cervicalgia/complicações , Transtornos do Olfato/complicações , Dor/complicações , Pneumonia Viral/complicações , Acetaminofen/uso terapêutico , Analgésicos/uso terapêutico , Síndrome de Sobreposição da Doença Pulmonar Obstrutiva Crônica e Asma/tratamento farmacológico , Síndrome de Sobreposição da Doença Pulmonar Obstrutiva Crônica e Asma/patologia , Síndrome de Sobreposição da Doença Pulmonar Obstrutiva Crônica e Asma/virologia , Dor nas Costas/tratamento farmacológico , Dor nas Costas/patologia , Dor nas Costas/virologia , Betacoronavirus/patogenicidade , Infecções por Coronavirus/tratamento farmacológico , Infecções por Coronavirus/patologia , Infecções por Coronavirus/virologia , Feminino , Gabapentina/uso terapêutico , Humanos , Pessoa de Meia-Idade , Cervicalgia/tratamento farmacológico , Cervicalgia/patologia , Cervicalgia/virologia , Transtornos do Olfato/tratamento farmacológico , Transtornos do Olfato/patologia , Transtornos do Olfato/virologia , Dor/tratamento farmacológico , Dor/patologia , Dor/virologia , Pandemias , Pneumonia Viral/tratamento farmacológico , Pneumonia Viral/patologia , Pneumonia Viral/virologia , Resultado do Tratamento
11.
PLoS One ; 15(8): e0237359, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32790789

RESUMO

BACKGROUND: Patients diagnosed with obstructive sleep apnea (OSA), who also consume prescription opioids, have a greater likelihood of morbidity and mortality. This study evaluated whether a primary care team, focused on chronic pain care management, could use a validated questionnaire (STOP-Bang) and motivational follow-up, to increase identification and treatment of OSA. METHODS: This study was a retrospective, dual arm, pre/post controlled study. Participants of this study included the complete chronic pain management sub group treated by this primary care team. Participants were ≥ 18 years old and prescribed daily opioids for treatment of chronic pain. All participants had a multifaceted, individualized, educational meeting that included completing a STOP-Bang questionnaire. Participants who received a score ≥ three were advised to follow up with their primary care physician. Participants were seen quarterly throughout the study. RESULTS: The primary outcome of this study was that 65% of participants with likely OSA were using CPAP for a minimum of 12 months (range of 12-25 months, 18-month average) post-intervention vs. 37% CPAP-use in the control group (12 months of observation), both groups were chronic opioid users with OSA. This was a 28% relative improvement (p = 0.0034). A secondary outcome was that 8.9% of non-prior CPAP users obtained CPAP post- intervention; a 56.7% pre-post improvement (p = 0.0064, x2 = 10.08 with 1 degree of freedom). Also, participants who were likely to have OSA (STOP-Bang score ≥ 3 or had a positive polysomnography (AHI >5 with comorbidities)) compared to those unlikely to have OSA (STOP-Bang score <3 or had a negative polysomnography (AHI <5)) in this study were more likely to be male, have a higher BMI, have hypertension, have cardiovascular disease and/or have diabetes (all types). CONCLUSION: Team based care management for participants taking prescription opioids, where STOP-Bang questionnaires were completed, were associated with an increase in the identification and treatment of OSA.


Assuntos
Manejo da Dor/métodos , Dor/patologia , Apneia Obstrutiva do Sono/diagnóstico , Adulto , Idoso , Analgésicos Opioides/uso terapêutico , Índice de Massa Corporal , Doença Crônica , Feminino , Humanos , Hipertensão/patologia , Masculino , Pessoa de Meia-Idade , Dor/complicações , Dor/tratamento farmacológico , Polissonografia , Atenção Primária à Saúde , Estudos Retrospectivos , Fatores Sexuais , Apneia Obstrutiva do Sono/complicações , Apneia Obstrutiva do Sono/terapia , Inquéritos e Questionários
12.
Chem Biol Interact ; 330: 109178, 2020 Oct 01.
Artigo em Inglês | MEDLINE | ID: mdl-32738201

RESUMO

The capsaicin (vanilloid) receptor, TRPV1, is a heat-activated cation channel modulated by inflammatory mediators and contributes to acute and chronic pain. TRPV1 channel is one of the most researched and targeted mechanisms for the development of novel analgesics. Over the years, natural products have contributed enormously to the development of important therapeutic drugs used currently in modern medicine. A literature review was conducted using Medline, Google Scholar, and PubMed. Searching the literature resulted in listing 136 natural compounds that interacted with TRPV1 channel. These compounds were phytochemicals that belong to different chemical groups including vanilloids, flavonoids, alkaloids, terpenoids, terpenyl phenols, fatty acids, cannabinoids, sulfur_containing compounds, etc. Other natural TRPV1 modulators were of animal, fungal or bacterial origin. Some natural products were small agonists or antagonists of TRPV1. Others were protein venoms. Most in vitro studies utilized electrophysiological or calcium imaging techniques to study calcium flow through the channel using primary cultures of rat dorsal root and trigeminal ganglia. Other studies used hTRPV1 or rTRPV1 expressed in HEK239, CHO cells or Xenopus oocytes. In vivo studies concentrated on different pain models conducted mainly in mice and rats. In conclusion, natural products are highly diverse in their modulatory action on TRPV1. Many gaps in natural product research are present in distinguishing modality-specific from polymodal antagonists. Species' differences in TRPV1 functionality must be taken into account in any future study. Proceeding into clinical trials needs more efforts to discover potent TRPV1 antagonists devoid of hyperthermia, the main side effect.


Assuntos
Analgésicos/farmacologia , Produtos Biológicos/farmacologia , Canais de Cátion TRPV/metabolismo , Analgésicos/efeitos adversos , Analgésicos/uso terapêutico , Animais , Produtos Biológicos/efeitos adversos , Cálcio/metabolismo , Técnicas de Cultura de Células , Febre/etiologia , Humanos , Dor/complicações , Dor/tratamento farmacológico , Canais de Cátion TRPV/agonistas , Canais de Cátion TRPV/antagonistas & inibidores , Canais de Cátion TRPV/efeitos dos fármacos , Canais de Cátion TRPV/genética
13.
PLoS One ; 15(8): e0238043, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32833998

RESUMO

Endometriosis is a painful gynecologic disease affecting one in ten reproductive aged women worldwide. Few studies have correlated this symptomatology with biomarker levels among women with and without endometriosis, and no studies correlating pain with biomarker levels have been performed in young patient populations. The purpose of this study was to examine whether CA125 correlates with different types and severity of pain among adolescents and young women with and without endometriosis and assess its performance as an endometriosis biomarker among those presenting with dysmenorrhea in this young population. Reproductive-aged women with laparoscopically-confirmed endometriosis (n = 282) and controls (n = 293) who participated in The Women's Health Study: From Adolescence to Adulthood (A2A), a cohort of adolescents and young women enrolled from 2012-2018, were included in this cross-sectional analysis. Plasma CA125 values were measured using WERF EPHect compliant blood samples collected at enrollment. Average CA125 were calculated by self-reported pain type (i.e. dysmenorrhea, non-cyclic/general pelvic pain, dyspareunia), severity, and frequency in endometriosis cases and controls. Median age at blood draw was 24 years in controls and 17 years in cases, with 68% and 89% non-Hispanic white, respectively. Most endometriosis cases (95%) were rASRM stage I/II. Average CA125 values were 12.5 U/mL in controls and 12.1 U/mL in cases adjusted for age. CA125 did not differ by pain type, its severity, or frequency in endometriosis cases or controls. Among participants who reported dysmenorrhea, CA125 did not discriminate endometriosis cases from controls using cutoff of 35 U/mL (AUC = 0.51, 95%CI = 0.50-0.53). Among adolescents and young adult women, CA125 did not correlate with pain type. CA125 did not efficiently discriminate endometriosis cases from controls even when accounting for pain symptomatology. Average CA125 values were low in adolescents and young women in both endometriosis cases and controls, suggesting cautious interpretation may be needed when measuring CA125 in this population.


Assuntos
Antígeno Ca-125/sangue , Endometriose/complicações , Dor/sangue , Dor/complicações , Adolescente , Adulto , Endometriose/cirurgia , Feminino , Humanos , Adulto Jovem
14.
Clin Nucl Med ; 45(10): e457-e458, 2020 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-32657859

RESUMO

We report 2 cases where blood-pool SPECT/CT had a high added value compared with standard 3-phase bone scintigraphy with only delayed SPECT/CT for the etiological diagnosis of painful ankles. Two men, aged 48 and 62 years, were referred for suspicions of medial and lateral malleoli stress fractures, respectively. Although standard planar blood-pool imaging and delayed SPECT/CT were inconclusive, blood-pool SPECT/CT showed markedly increased uptake along posterior tibial tendon and peroneal tendon, respectively, leading to diagnose tendonitises. These cases illustrate that blood-pool SPECT/CT can extend the diagnostic yield of bone scintigraphy to extraosseous origin, particularly in chronic lower extremities pain.


Assuntos
Tornozelo/diagnóstico por imagem , Imagem do Acúmulo Cardíaco de Comporta , Tomografia Computadorizada com Tomografia Computadorizada de Emissão de Fóton Único , Tendinopatia/diagnóstico por imagem , Doença Crônica , Humanos , Masculino , Pessoa de Meia-Idade , Dor/complicações
15.
PLoS One ; 15(7): e0235346, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32667951

RESUMO

Several studies have recently suggested that an abnormal processing of respiratory interoceptive and nociceptive (painful) stimuli may contribute to eating disorder (ED) pathophysiology. Mood and anxiety disorders (MA) are also characterized by abnormal respiratory symptoms, and show substantial comorbidity with ED. However, no studies have examined both respiratory and pain processing simultaneously within ED and MA. The present study systematically evaluated responses to perturbations of respiratory and nociceptive signals across the levels of physiology, behavior, and symptom report in a transdiagnostic ED sample (n = 51) that was individually matched to MA individuals (n = 51) and healthy comparisons (HC; n = 51). Participants underwent an inspiratory breath-holding challenge as a probe of respiratory interoception and a cold pressor challenge as a probe of pain processing. We expected both clinical groups to report greater stress and fear in response to respiratory and nociceptive perturbation than HCs, in the absence of differential physiological and behavioral responses. During breath-holding, both the ED and MA groups reported significantly more stress, feelings of suffocation, and suffocation fear than HC, with the ED group reporting the most severe symptoms. Moreover, anxiety sensitivity was related to suffocation fear only in the ED group. The heightened affective responses in the current study occurred in the absence of group differences in behavioral (breath hold duration, cold pressor duration) and physiological (end-tidal carbon dioxide, end-tidal oxygen, heart rate, skin conductance) responses. Against our expectations, there were no group differences in the response to cold pain stimulation. A matched-subgroup analysis focusing on individuals with anorexia nervosa (n = 30) produced similar results. These findings underscore the presence of abnormal respiratory interoception in MA and suggest that hyperreactivity to respiratory signals may be a potentially overlooked clinical feature of ED.


Assuntos
Anorexia Nervosa/fisiopatologia , Transtornos de Ansiedade/fisiopatologia , Transtornos da Alimentação e da Ingestão de Alimentos/fisiopatologia , Dor Nociceptiva/fisiopatologia , Adolescente , Adulto , Afeto/fisiologia , Anorexia Nervosa/complicações , Anorexia Nervosa/epidemiologia , Transtornos de Ansiedade/complicações , Transtornos de Ansiedade/epidemiologia , Asfixia/fisiopatologia , Asfixia/terapia , Comorbidade , Medo/fisiologia , Transtornos da Alimentação e da Ingestão de Alimentos/complicações , Transtornos da Alimentação e da Ingestão de Alimentos/epidemiologia , Feminino , Humanos , Masculino , Transtornos do Humor/complicações , Transtornos do Humor/epidemiologia , Transtornos do Humor/fisiopatologia , Dor Nociceptiva/complicações , Dor Nociceptiva/epidemiologia , Dor/complicações , Dor/epidemiologia , Dor/fisiopatologia , Sistema Respiratório/fisiopatologia
16.
Artigo em Inglês | MEDLINE | ID: mdl-32660067

RESUMO

(1) Background: The present study aimed to examine physical, cognitive and emotional factors affecting falls in community-dwelling older adults with and without pain; (2) Methods: Data from 789 older adults who participated in a community-based health survey were analyzed. Participants completed questionnaires on the presence of pain and previous falls. Muscle weakness (handgrip strength < 26.0 kg for men and < 18.0 kg for women) and low skeletal muscle mass (appendicular skeletal muscle mass index < 7.0 kg/m2 for men and < 5.7 kg/m2 for women) were determined. Mild cognitive impairment (MCI) and depressive symptoms were assessed using the National Center for Geriatrics and Gerontology-Functional Assessment Tool and 15-item geriatric depression scale (GDS-15), respectively; (3) Results: In participants with pain, MCI and GDS-15 were associated with previous falls after adjusting for age, sex, education and medication use. In participants without pain, muscle weakness and low skeletal muscle mass were associated with previous falls when adjusting for the above covariates; (4) Conclusions: Falls in participants with pain were associated with cognitive and emotional factors, whereas falls in those without pain were associated with physical factors. Fall prevention interventions for older adults with pain may require tailored strategies to address cognitive and emotional factors.


Assuntos
Acidentes por Quedas , Cognição , Vida Independente , Dor , Idoso , Feminino , Avaliação Geriátrica , Força da Mão , Humanos , Joelho , Dor Lombar , Masculino , Dor/complicações , Fatores de Risco
17.
J Vis Exp ; (159)2020 05 20.
Artigo em Inglês | MEDLINE | ID: mdl-32510505

RESUMO

The current animal models of osteoarthritis (OA) can be divided into spontaneous models and induced models, both of which aim to simulate the pathophysiological changes of human OA. However, as the main symptom in the late stage of OA, pain affects the patients' daily life, and there are not many available models. The mono-iodoacetate (MIA)-induced model is the most widely used OA pain model, mainly used in rodents. MIA is an inhibitor of glyceraldehyde-3-phosphate dehydrogenase, which causes chondrocyte death, cartilage degeneration, osteophyte, and measurable changes in animal behavior. Besides, expression changes of matrix metalloproteinase (MMP) and pro-inflammatory cytokines (IL1 ß and TNF α) can be detected in the MIA-induced model. Those changes are consistent with OA pathophysiological conditions in humans, indicating that MIA can induce a measurable and successful OA pain model. This study aims to describe the methodology of intra-articular injection of MIA in rats and discuss the resulting pain-related behaviors and histopathological changes.


Assuntos
Modelos Animais de Doenças , Ácido Iodoacético/administração & dosagem , Ácido Iodoacético/farmacologia , Osteoartrite/complicações , Dor/induzido quimicamente , Animais , Cartilagem Articular/efeitos dos fármacos , Cartilagem Articular/patologia , Condrócitos/efeitos dos fármacos , Condrócitos/metabolismo , Citocinas/metabolismo , Injeções Intra-Articulares , Masculino , Metaloproteinases da Matriz/metabolismo , Dor/complicações , Dor/patologia , Ratos
18.
Arch Phys Med Rehabil ; 101(10): 1763-1770, 2020 10.
Artigo em Inglês | MEDLINE | ID: mdl-32599059

RESUMO

OBJECTIVE: To investigate the Optimal Screening for Prediction of Referral and Outcome Yellow Flag (OSPRO-YF) tool for longitudinal monitoring of pain associated distress with the goal of improving prediction of 50% reduction in pain intensity and disability outcomes. DESIGN: Cohort study with 12-month follow-up after initial care episode. SETTING: Ambulatory care, participants seeking care from outpatient physical therapy clinics. PARTICIPANTS: Participants (N=440) were seeking care for primary complaint of neck, low back, knee, or shoulder pain. This secondary analysis included 440 subjects (62.5% female; mean age, 45.1±17y) at baseline with n=279 (63.4%) providing follow-up data at 12 months. INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURES: A 50% reduction (baseline to 12-mo follow-up) in pain intensity and self-reported disability. RESULTS: Trends for prediction accuracy were similar for all versions of the OSPRO-YF. For predicting 50% reduction in pain intensity, model fit met the statistical criterion for improvement (P<.05) with each additional time point added from baseline. Model discrimination improved statistically when the 6-month to 12-month change was added to the model (area under the curve=0.849, P=.003). For predicting 50% reduction in disability, there was no evidence of improvement in model fit or discrimination from baseline with the addition of 4-week, 6-month, or 12-month changes (P>.05). CONCLUSIONS: These results suggested that longitudinal monitoring improved prediction accuracy for reduction in pain intensity but not for disability reduction. Differences in OSPRO-YF item sets (10 vs 17 items) or scoring methods (simple summary score vs yellow flag count) did not affect predictive accuracy for pain intensity, providing flexibility for implementing this tool in practice settings.


Assuntos
Avaliação da Deficiência , Indicadores Básicos de Saúde , Dor/complicações , Dor/psicologia , Angústia Psicológica , Adulto , Fatores Etários , Idoso , Comorbidade , Feminino , Humanos , Estudos Longitudinais , Masculino , Pessoa de Meia-Idade , Medição da Dor , Encaminhamento e Consulta/estatística & dados numéricos , Reprodutibilidade dos Testes , Índice de Gravidade de Doença , Fatores Sexuais , Fatores Socioeconômicos , Fatores de Tempo
19.
PLoS One ; 15(6): e0234061, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32484835

RESUMO

Here we present a secondary analysis from a parent database of 97 acutely injured participants enrolled in a prospective inception cohort study of whiplash recovery after motor vehicle collision (MVC). The purpose was to investigate the deep and superficial neck extensor muscles with peri-traumatic computed tomography (CT) and longitudinal measures of magnetic resonance imaging (MRI) in participants with varying levels of whiplash-related disability. Thirty-six underwent standard care imaging of the cervical spine with CT at a level-1 trauma designated emergency department. All 36 participants were assessed with MRI of the cervical spine at <1-week, 2-weeks, 3-, and 12-months post-injury and classified into three groups using initial pain severity and percentage scores on the Neck Disability Index (recovered (NDI of 0-8%), mild (NDI of 10-28%), or severe (NDI ≥ 30%)) at 3-months post MVC. CT muscle attenuation values were significantly correlated to muscle fat infiltration (MFI) on MRI at one-week post MVC. There was no significant difference in muscle attenuation across groups at the time of enrollment. A trend of lower muscle attenuation in the deep compared to the superficial extensors was observed in the severe group. MFI values in the deep muscles on MRI were significantly higher in the severe group when compared to the mild group at 1-year post MVC. This study provides further evidence that the magnitude of 1) deep MFI appears unique to those at risk of and eventually transitioning to chronic WAD and that 2) pre- or peri-traumatic muscular health, determined by CT muscle attenuation, may be contribute to our understanding of long-term recovery.


Assuntos
Tecido Adiposo/patologia , Imagem por Ressonância Magnética , Músculos/patologia , Tomografia Computadorizada por Raios X , Traumatismos em Chicotada/diagnóstico por imagem , Traumatismos em Chicotada/patologia , Adulto , Pessoas com Deficiência , Feminino , Humanos , Masculino , Dor/complicações , Autorrelato , Traumatismos em Chicotada/complicações
20.
Rev. méd. hondur ; 88(1): 48-51, ene.- jun. 2020. tab
Artigo em Espanhol | LILACS | ID: biblio-1128559

RESUMO

El dolor neuropático definido como el dolor que se origina como consecuencia de una lesión en el sistema somatosensorial, incluye aproximadamente el 15% de las consultas por dolor. Debido a su diversa etiología y mecanismos fisiopatológicos, el dolor neuropático crea un reto para su manejo. Su relativa frecuencia en la atención primaria se convierte un tema que todo clínico deberá saber diagnosticar, tratar e identificar para su correcta remisión. Se realizó una revisión bibliográfica narrativa a partir de artículos originales, artículos de revisión y guías clínicas encontrados en bases de datos incluyendo PUBMED, HINARI, ScienceDirect y Cochrane Library, para el periodo 2010-2018. El diagnóstico del dolor neuropático se basa en la historia clínica. No se debe retrasar el alivio del dolor con medicamentos de primera línea como ser los antidepresivos tricíclicos e inhibidores de la recaptación de serotonina y noradrenalina...(AU)


Assuntos
Humanos , Dor/complicações , Medição da Dor , Hipersensibilidade , Neuralgia
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