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Pain management is dependent on the quality of the pain evaluation. Ideally, pain evaluation is objective, pain‐specific and easily incorporated into a busy equine clinic. This paper reviews the existing knowledge base regarding the identification and quantification of pain in horses. Behavioural indicators of pain in horses in the context of normal equine behaviour, as well as various physiological parameters potentially useful for pain evaluation, are discussed. Areas where knowledge is sparse are identified and a new equine pain scale based on results from all reviewed papers is proposed. Finally, the most important considerations in relation to the implementation of a pain scale in a hospital setting are discussed. 相似文献
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Livia Benato Nicola J. Rooney Jo C. Murrell 《Veterinary anaesthesia and analgesia》2019,46(2):151-162
Objective
To provide an overview of pain and analgesia in rabbits with the aim of developing a more accurate understanding of these topics. To illustrate and discuss the areas that have advanced in recent years and those that still require further research.Databases used
Three key subject resources were used: Web of Science, Medline and CAB Abstracts. Search terms were rabbits, lagomorphs, laboratory animals, pet, pain, surgical procedures, ovariohysterectomy, orchiectomy, castration, analgesia, opioids, and non-steroidal anti-inflammatory drugs. References from books and articles relevant to the topics were also included.Conclusions
Rabbit medicine has improved over the last 20 years, but the literature suggests that pain management in this species is still inadequate and veterinary professionals believe their knowledge of pain and analgesia in this species is limited. Assessment and quantification of pain in rabbits can be challenging in a clinical environment not only because, as a prey species, rabbits tend to hide signs of pain but also because there are no validated methods to assess pain, except the Rabbit Grimace Scale, which is based on only one rabbit breed.Current consensus is that perioperative multimodal analgesia is the best practice. However, it is not widely used in rabbits. In rabbits, analgesia protocols and dosages reported in the literature are often poorly researched and do not result in complete pain amelioration with the return of normal. The present literature on rabbit pain and analgesia presents gaps either due to unexplored areas or insufficient findings. Further research should focus on these areas with the aim of improving the welfare of rabbits within a veterinary clinic. 相似文献3.
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Laser acupuncture is defined as the stimulation of traditional acupuncture points with low-intensity, non-thermal laser irradiation. We explored the clinical efficacy of a very low level diode laser wavelength 670 nm (Biolite LP020, RGM, Genoa, Italy), used to stimulate acupoints ST36 Zu San Li and TH5 Waiguan, on well-established experimental models of acute and persistent pain in the rat, e.g. acute inflammatory pain, muscle pain, visceral pain and neuropathic pain. We report the anti-edema and anti-hyperalgesia effects of laser acupuncture in models of acute inflammatory pain, e.g. CFA-induced inflammation and myofascial pain. We also indicate that spontaneous pain and thermal hyperalgesia are reduced in a neuropathic pain model, e.g. axotomy. On the contrary, no effects due to laser-acupuncture were observed on disconfort indices in a model of visceral pain, e.g. cystitis due to cyclophosphamide. We thus provide evidences that acupoints stimulation using a very low intensity laser irradiation can control pain and edema in specific experimental conditions. 相似文献
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Currently, approaches to pain control in horses are a mixture of art and science. Recognition of overt pain behaviours, such as rolling, kicking at the abdomen, flank watching, lameness or blepharospasm, may be obvious; subtle signs of pain can include changes in facial expression or head position, location in the stall and response to palpation or human interaction. Nonsteroidal anti‐inflammatory drugs (i.e. phenylbutazone, flunixin meglumine and firocoxib), opioids (i.e. butorphanol, morphine and buprenorphine) and α2‐adrenergic agonists (i.e. xylazine, detomidine, romifidine and medetomidine) are the most commonly used therapeutic options. Multimodal therapy using constant‐rate infusions of lidocaine, ketamine and/or butorphanol has gained popularity for severe pain in hospitalised cases. Drugs targeting neuropathic pain, such as gabapentin, are increasingly used for conditions such as laminitis. Optimal strategies for management of pain are based upon severity and chronicity, including special considerations for use of intra‐articular or epidural delivery and therapy in foals. Strategies that aim to mitigate adverse effects associated with use of various analgesic agents are briefly discussed. 相似文献
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《Veterinary anaesthesia and analgesia》2021,48(6):861-870
ObjectiveTo develop a scale to diagnose and assess the severity of postamputation pain (PAP) in dogs.Study designSingle-center retrospective study.AnimalsA total of 66 dogs that underwent thoracic or pelvic limb amputation and 139 dogs that underwent tibial plateau leveling osteotomy (TPLO) at a veterinary teaching hospital.MethodsAn online survey regarding postoperative behavioral changes was sent to owners. Categorical, multiple-choice responses were entered into a univariable logistic regression model and tested for association with amputation using the Wald test. If p < 0.2, variables were forwarded to a multivariable logistic regression model for manual build. Model simplicity and predictive ability were optimized using the area under the receiver operating curve (AUROC) characteristic, and model calibration was assessed using the Hosmer–Lemeshow test. The selected model was converted to an integer scale (0–10), the Canine Postamputation Pain (CAMPPAIN) scale. Univariable logistic regression related each dog’s calculated score to the probability of PAP.ResultsMultivariable logistic regression identified four independent predictors of PAP (p < 0.05): 1) restlessness or difficulty sleeping, 2) episodes of panic or anxiety, 3) sudden vocalization, and 4) compulsive grooming of the residual limb. Score AUROC was 0.70 (95% confidence interval = 0.63–0.78) with good calibration (Hosmer–Lemeshow statistic p = 0.82). A score of 2 corresponded to a risk probability of 0.5. Taking a score ≥ 2 to indicate PAP, score specificity and sensitivity were 92.1% and 36.4%, respectively. When this score was used to diagnose PAP, prevalence was 36.4% (24/66) and 7.9% (11/139) in the amputation and TPLO groups, respectively.Conclusions and clinical relevancePostamputation pain is characterized by specific postoperative behaviors and appears to affect approximately one-third of canine amputees. The CAMPPAIN scale generated from these data could facilitate diagnosis, treatment and further study of PAP but requires external validation. 相似文献
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Preliminary evaluation of a behaviour-based system for assessment of post-operative pain in horses following arthroscopic surgery 总被引：1，自引：0，他引：1
Objective To develop a method for objective assessment of equine post‐operative pain. Study design Prospective nonblinded clinical study. Animals Twelve adult horses: Group 1 (G1, n = 6), admitted for arthroscopy (under general anaesthesia, with multimodal analgesia); Group 2 (G2, n = 6), ‘pain free’ controls. Materials and methods Horses were filmed continuously (CVI, time‐lapse video recorder) over 72 hours, from 24 hours pre‐surgery (PS) to 48 hours post‐recovery (PR) (G1), and over 24 hours (G2). Activity budgets were determined from 24 to 0 hours PS, 0–24 and 24–48 hours PR (G1) and for 24 hours (G2). Using direct observation (DO), active behaviours and postures were recorded at set time points PS and PR (G1) and at two time points (morning/evening) (G2). Heart rate (HR) and respiration rate (RR) were recorded simultaneously. Statistical analysis investigated within‐group and between‐group time‐related changes in behaviour, HR and RR. Results There was no difference in HR or RR between G1 and G2 at any time point. Anaesthetic ‘hangover’ and hunger‐related activity modulated behaviour from 0 to 6 hours PR, when abnormal postures and locomotion occurred in all G1 horses, but no G2 horses. Compared with G1 (0–24 hours PR), G2 spent more time eating (t = ?3.34, p < 0.01), more time at the front of the stable (t = ?2.42, p < 0.05), and less time exhibiting ‘abnormal’ behaviour (U = 56, p < 0.01). Comparing PS and PR behaviour, G1 spent less time exploring from 24 to 48 hours PR (t = 3.49, p < 0.05), less time in sternal recumbency (t = ?3.8, p < 0.05) and less time moving (t = 3.19, p < 0.05). Horses tended (p < 0.07) to spend less time positioned in the front of the stable PR (less from 24 to 48 hours PR than from 0 to 24 hours PR). Comparing PR (evening) behaviour, G2 spent more time with head above withers (U = 21.5, p < 0.01), and ears forwards (U = 22, p < 0.01). G1 showed time‐related changes (all p < 0.05) in time with lower lip tense (S = 15.8), eating (S = 17.08) and with head positioned above withers (S = 18.04). No differences in event behaviours were observed between G1 and G2. Within G1, only olfactory behaviour varied significantly with time (S = 14.52, p < 0.05). Conclusions Changes in equine behaviour suggestive of post‐operative discomfort were identified using both DO and CVI. Analysis of activity budgets may be a more sensitive method of identifying behavioural changes indicative of equine discomfort than repeated DO of specific events and postures. 相似文献
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《Veterinary anaesthesia and analgesia》2022,49(1):135-142
ObjectiveTo investigate the relationship between anxiety and pain scores using the Glasgow Composite Measure Pain Scale–Short Form (CMPS-SF) in dogs.StudyProspective observational study.AnimalsA group of 18 dogs undergoing surgical management of stifle disease.MethodsPreoperatively dogs were scored using the CMPS-SF, the anxiety behaviour-based Reactivity Evaluation Form (REF), a Visual Analogue Scale (VAS) for anxiety and a sedation score. Assessments of pain, anxiety and sedation were repeated approximately 2–6 hours postoperatively. Dogs were divided into groups based on preoperative REF (‘Low REF’ and ‘High REF’), and VAS scores (‘Low VAS’ and ‘High VAS’). Scores (CMPS-SF, REF, VAS and sedation) were compared between groups using Mann–Whitney U tests. Preoperative and postoperative CMPS-SF, REF and VAS scores were compared using Wilcoxon signed-rank tests. Relationships between anxiety and CMPS-SF scores were assessed using a Spearman rank correlation coefficient. Scores are presented as median (range). A p value of < 0.05 was considered significant.ResultsWhen divided based on REF, CMPS-SF scores did not differ between groups preoperatively [Low REF: 2 (0–3), High REF: 2 (1–3); p = 0.509] or postoperatively [Low REF: 3 (2–5), High REF: 3 (2–5); p = 0.624]. When divided based on VAS, CMPS-SF scores did not differ between groups preoperatively [Low VAS: 2 (0–2), High VAS: 2 (1–3); p = 0.215] or postoperatively [Low VAS: 3 (2–5), High VAS: 3 (2–5); p = 1]. Postoperative REF [pre: 4.5 (2–8), post: 5 (4–10); p = 0.0105] and CMPS-SF scores [pre: 2 (0–3), post: 3 (2–5); p = 0.0318] increased significantly compared with preoperative scores.Conclusions and clinical relevanceNo apparent relationship exists between baseline anxiety levels and CMPS-SF scores. Understanding the influence of anxiety when using the CMPS-SF is important when assessing pain in dogs. Anxiety and pain may increase postoperatively in dogs undergoing orthopaedic surgery. 相似文献
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《Veterinary anaesthesia and analgesia》2022,49(6):615-623
ObjectiveTo assess the reliability of a French version of the Horse Grimace Scale (HGSfv).Study designProspective, randomized, clinical study.AnimalsThe operated (OP) group included 13 horses undergoing elective surgery. The positive (PC) and negative control (NC) groups included seven colicking horses and eight exercising sport horses, respectively.MethodsPhotographs were extracted from videos of the horses’ heads. Videos were taken before and immediately after surgery in OP, on arrival of the horse in PC, and at rest in their stalls in NC. Pictures were evaluated by three anaesthetists [Diplomates (DIPs)] and four riders (RIDs) using Horse Grimace Scale translated into French (HGSfv) at two points, 2 weeks apart (E1 and E2). Each evaluator gave each image a score (1–3) for six identified facial action units. The scores given by DIPs and RIDs were compared using a Wilcoxon test. Intra- and inter-evaluator reliability were assessed using Spearman correlation tests (rs) and intra-class coefficients (ICCs), respectively.ResultsRIDs and DIPs gave significantly higher scores in the PC group than in the NC group [RIDsE1PC 5.0 (4.2–9.8) versus RIDsE1NC 2.2 (0.0–6.5), p = 0.02; RIDsE2PC 5.2 (3.2–9.5) versus RIDsE2NC 2.0 (0.2–5.8), p < 0.01; DIPsE1PC 4.0 (1.3–6.3) versus DIPsE1NC 2.2 (1.0–4.7), p = 0.04; DIPsE2PC 2.7 (1.0–6.0) versus DIPsE2NC 1.0 (0.0–2.3), p = 0.03]. Scores given by RID or DIPs 2 weeks apart were highly correlated [rs (RIDsE1, RIDsE2) r = 0.86, p < 0.0001] and [rs (DIPsE1, DIPsE2) r = 0.81 p < 0.0001]. The ICC between RIDs and DIPs in E1 and E2 was 0.94 (0.92–0.95) and 0.91 (0.89–0.93), respectively. The specificity and sensitivity of the HGSfv was 94% and 43%, respectively.Conclusions and clinical relevanceUsing the HGSfv, knowledge of horses rather than specialization in veterinary anaesthesia and analgesia appears to differentiate horses with visceral pain from those assumed to be pain free. 相似文献
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《Veterinary anaesthesia and analgesia》2022,49(3):323-328
ObjectiveTo refine a composite scale for pain evaluation in rabbits and evaluate it for pain variations over time. To determine the differences between objective-Centro Animali Non Convenzionali Rabbit Scale (CANCRS) and subjective-Visual Analogue Scale (VAS) in assessing abdominal pain.Study designObservational case–control study.AnimalsA total of 86 rabbits, 47 healthy animals and 39 animals with gastrointestinal stasis syndrome (RGIS), participated in the study; of 39 animals with RGIS, 32 animals participated in the second part of the study.MethodsIn part 1, rabbits underwent pain assessments with VAS and CANCRS. In part 2, the animals underwent four pain assessments with three CANCRS. The first assessment was performed prior to pain management, the others after 30, 60 and 90 minutes. Statistics included Mann–Whitney U test for in-between group comparisons and analysis of variance to assess differences over time. Sensitivity and specificity for each variable of CANCRS were calculated to obtain weighting factors.ResultsCANCRS showed differences between healthy and diseased rabbits (p = 0.0001), and median scores were 5 [interquartile range (IQR): 4–6) and 9 (IQR: 7–11), respectively. VAS showed differences between healthy and diseased rabbits (p = 0.02), and median scores were 4 (IQR: 2–5.35) and 5.3 (IQR: 2.65–6.45), respectively. The cut-off scores for CANCRS and VAS for differentiation between healthy and diseased rabbits were 7 (specificity 89%, sensitivity 79%) and 4.4 (specificity 59%, sensitivity 69%), respectively. Internal validity testing of CANCRS was significant at each time point.Conclusions and clinical relevanceSome variables should be excluded from CANCRS when assessing abdominal pain. CANCRS performed better than VAS, and it detected variations in pain in response to analgesia. 相似文献
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Bernard D. Hansen DVM MS Diplomate DACVECC DACVIM 《Journal of Veterinary Emergency and Critical Care》2005,15(4):285-294
Objective: To summarize the challenges to recognizing pain in critically ill patients, the rationale for treatment even in the absence of signs of pain, and the therapeutic options available in the intensive care environment. Etiology: Pain is one of many stressors challenging the critically ill patient, and may in turn be multifactorial in nature. Common causes include local and systemic inflammation, injuries, diagnostic and therapeutic procedures, immobilization, and thrombosis. Diagnosis: Critically ill animals with pain may not demonstrate overt behavioral or physiologic signs of distress. Therefore, pain must be assumed to be present for animals whose condition puts them at risk. Therapy: Currently available analgesic and sedative drugs and methods of delivery are described. Several useful analgesics and sedatives may be co‐administered as fluid additives to provide continuous therapy. Prognosis: There is growing evidence that the neuroendocrine stress response to severe injury or illness may become sufficiently intense to contribute to morbidity and mortality. Many therapeutic analgesic and sedation options provide good control of pain and stress, and in some circumstances this may improve the outcome of critical illness. 相似文献
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术后慢性疼痛病因十分复杂,迄今发生机制尚未明析。本研究旨在通过动物模型解析术后急性疼痛向慢性疼痛转化的相关物质,以期找到引发术后疼痛的关键物质。采用气相色谱-质谱（GC-MS）代谢组学技术,比较分析大鼠术后急性疼痛和慢性坐骨神经紧缩损伤疼痛的相关物质,筛选差异代谢物。结果经分析后得到224种代谢物,其中,35种代谢物具有显著差异（VIP>1,P<0.05,∣log2FC∣≥2）,代谢通路富集分析发现,45条潜在相关代谢通路（P<0.05）。分析表明,N-乙酰天冬氨酸（NAA）、泛酸、天冬氨酸、3-羟基丁酸、β-丙氨酸、葡萄糖等差异代谢物及其相关代谢通路可能与术后急性疼痛向慢性疼痛转变密切相关。解析出术后急性疼痛向慢性疼痛转化的相关物质,这为术后疼痛机制的研究提供了参考,也为术后疼痛的识别和治疗提供了新的方法和思路。 相似文献
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This report describes a clinically useful modified composite pain score (MCPS) for horses with hoof pain. The horse in this report initially suffered from acute pain from a subsolar seroma as well as suspected pain from chronic laminitis. Following surgical debridement, corium prolapsed through the wound and it became infected. During the course of conventional hoof and wound management, the pain experienced by the patient was refractory to nonsteroidal anti‐inflammatory drugs. Using the MCPS as a guide, inflammatory and neuropathic pain states were identified and multimodal analgesia was employed in response to the varying pain states. Drugs used for the anti‐inflammatory pain management protocol included firocoxib, butorphanol, phenylbutazone, aspirin and fish oil. Neuropathic pain modulators included parenteral and local anaesthetics, pentoxifylline, ketamine and gabapentin. Composite pain scoring in horses, which includes observational, physiological and interactive components, may have greater sensitivity for demonstrating response to therapy when multiple types and stages of pain exist. 相似文献
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Webb AA Taylor SM Muir GD 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》2002,16(3):269-273
Signs related to spinal pain are commonly reported in dogs with noninfectious, nonerosive, idiopathic immune-mediated polyarthritis (IMPA). This study examined the prevalence and etiology of spinal pain in these dogs through a retrospective review of 62 case records of dogs with IMPA. All dogs with IMPA and signs suggestive of spinal pain were described with regard to age, gender, breed, physical stature, location of vertebral pain, rectal temperature, and clinical laboratory findings. The prevalence of spinal pain in these dogs was 29% (18 of 62). Fourteen of the 18 dogs with spinal pain and IMPA were male. Cerebrospinal fluid (CSF) from 11 dogs with signs of spinal pain was analyzed. Five of these (46%) had concurrent steroid-responsive meningitis-arteritis (SRMA). We concluded that SRMA does occur concurrently in some dogs having IMPA. Meningeal involvement may explain the origin of spinal pain observed in some of these dogs. 相似文献
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Objective To determine whether there is a correlation between skin acute radiation score (ARS) and pain scores and to determine if skin ARSs can be used to predict future pain scores and increased need for analgesia in dogs undergoing radiation therapy for cancer of the forelimb. Study design Prospective observational study. Animals Seven middle‐aged dogs of various breeds with cancer of the forelimb. Methods Each neoplasm was surgically removed and a histologic diagnosis was obtained. Curative intent radiation therapy was initiated 2½–4½ weeks after surgery. Curative intent radiation therapy was delivered as prescribed. Two trained observers scored the dogs using a visual analog pain scale (VAS), Glasgow composite measure of pain scale, short form (GCMPS) and skin ARS prior to each day’s therapy. Daily scores were averaged and scatter plots were developed. Generalized estimating equation regressions were used to calculate standard error, 95% confidence interval, and p‐values for each relationship. Confidence and prediction bands were plotted. Results A statistically significant correlation between skin ARS and VAS and GCMPS pain scores was identified indicating that as the skin ARS increased so did the pain scores. A general correlation between VAS and GCMPS scores was observed. Early (fraction days 1–6) GCMPS scores were significantly influenced by anxiety behavior unrelated to pain. Skin ARS was found to predict precisely current and future presence of pain, but could only predict a range of potential future pain scores based on the pain management approach in use during this study. Conclusions Skin ARS can provide valuable information for initiating preemptive analgesia and intensifying pain management during curative intent radiation therapy. Daily pain scoring with an acceptable pain scale should be used in conjunction with the skin ARS to improve patient pain management. Clinical relevance Pain is an anticipated consequence of curative intent radiation therapy. Understanding the correlation between pain and skin ARS may facilitate more effective pain management. 相似文献