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Congenital Ulnar Carpal Bone Luxation in a Miniature Donkey Treated by Pancarpal Arthrodesis 胰腕关节融合术治疗小型驴先天性尺腕骨脱位
Pub Date : 2020-01-01 DOI: 10.1055/s-0040-1710503
M. Robert, Y. Smit
Abstract An 18-month-old miniature donkey was presented for evaluation and treatment of a left carpal valgus present since birth. Clinical examination confirmed the severe and unstable carpal valgus. Radiographs and computed tomography revealed a caudally luxated ulnar carpal bone, malformation of the distal radial epiphysis, as well as a complete collapse of the lateral part of the radiocarpal joint. Outward rotation of the limb distal to the joint collapse was also visible. Surgical treatment was elected and a pancarpal arthrodesis performed using two short 3.5 mm locking compression plates. Ten months later, the donkey was pasture sound and radiographs showed complete fusion of the carpal joints.
摘要本文介绍了一只18月龄的小驴,对其先天性左腕外翻进行了评估和治疗。临床检查证实为严重不稳定型腕外翻。x线片和计算机断层扫描显示尺腕骨尾侧脱位,桡骨远端骨骺畸形,以及桡腕关节外侧部分完全塌陷。关节塌陷远端肢体向外旋转也可见。选择手术治疗,使用两个短的3.5 mm锁定加压钢板进行胰腺关节融合术。10个月后,驴恢复正常,x线片显示腕关节完全融合。
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引用次数: 0
Treatment of Monolateral Legg-Calvé-Perthes Disease with Autologous Bone Marrow Mononuclear Cells in 32 Dogs 自体骨髓单核细胞治疗犬单侧腿-小腿-皮氏病32例
Pub Date : 2020-01-01 DOI: 10.1055/s-0040-1701470
A. Crovace, L. Lacitignola, F. Staffieri, E. Francioso, G. Rossi, A. Crovace
Abstract Objective In the present study, we report our results of the use of autologous bone marrow mononuclear cells (BMMCs) as a minimally invasive treatment for Legg-Calvé-Perthes in dogs. Study Design In accordance with Ljunggren's scale, inclusion criteria were determined by clinical condition and radiographic features of the disease, resulting in 32 dogs enrolled in this retrospective study from 2007 to 2019. Bone marrow was collected from each dog from the iliac crest and the mononuclear fraction was separated with density gradient centrifugation. The mean number of BMMCs was 104.7 ± 46.5 × 106 cells. The mean BMMC colony-forming units were 71.6 ± 51.9 × 102/mL. Cells were suspended in fibrin glue before BMMC administration and implanted via transcutaneous injection under computed tomography or radiographic guidance, using a Jamshidi needle inserted through the femoral head and neck. Results A progressive reduction of pain within 3 weeks after BMMC administration was observed in 28 patients, with gradually increased weight bearing on the affected limb. In four dogs, however, pain and lameness persisted and at 3 months post-BMMC injection, femoral head and neck resection was performed. Histological and immunohistochemical studies were done on samples from those four dogs, which showed evidence of formation of new cartilage and subchondral bone in the area where cells were implanted. Clinical Significance Based on these results, BMMC therapy may be considered as effective and minimally invasive treatment option for LCPD in dogs.
摘要目的在本研究中,我们报告了使用自体骨髓单个核细胞(BMMCs)作为狗legg - calv - perthes的微创治疗的结果。根据Ljunggren量表,根据疾病的临床状况和影像学特征确定纳入标准,因此在2007年至2019年期间,32只狗被纳入本回顾性研究。取每只犬髂骨处的骨髓,用密度梯度离心分离单核部分。骨髓基质细胞的平均数目为104.7±46.5 × 106个。BMMC平均菌落形成单位为71.6±51.9 × 102/mL。在BMMC给药前,细胞悬浮在纤维蛋白胶中,在计算机断层扫描或x线引导下,使用Jamshidi针穿过股骨头和颈部,通过经皮注射植入。结果28例患者在服用BMMC后3周内疼痛逐渐减轻,患肢负重逐渐增加。然而,在4只狗中,疼痛和跛行持续存在,在注射bmmc后3个月,进行了股骨头颈切除术。对这四只狗的样本进行了组织学和免疫组织化学研究,结果显示,在植入细胞的部位形成了新的软骨和软骨下骨。基于这些结果,BMMC治疗可以被认为是狗LCPD有效的微创治疗选择。
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引用次数: 2
Correction of Carpal Valgus and Flexural Deformity with z-Tenotomy and Anastomosis Procedure in a Dog z-腱切开术及吻合术矫正犬腕外翻及屈曲畸形
Pub Date : 2020-01-01 DOI: 10.1055/s-0040-1710069
Mikaela Gondolfe, M. Garneau
Abstract This study aimed to describe a staged bilateral z-tenotomy and anastomosis procedure of flexor carpi ulnaris and superficial digital flexor tendons for the correction of carpal valgus and flexural deformity in a 1-year-old male-neutered Akita dog. Bilateral carpal valgus and flexural deformity were observed with palpably taut flexor carpi ulnaris tendons. The dog had a mild, weight-bearing bilateral forelimb lameness with the left forelimb more severely affected. Both forelimbs were treated with staged z-tenotomy and anastomosis procedure of both flexor carpi ulnaris and superficial digital flexor tendons. Successful tendon lengthening and correction of carpal valgus were achieved via z-tenotomy and anastomosis of affected tendons. No complications were observed. An 18-month follow-up revealed no evidence of lameness or carpal valgus. Though tendon injuries commonly occur in small animal patients, there is a shortage of reported cases, especially involving musculotendinous contractures. There are even fewer reports of successful tenotomy procedures. This case report supports successful outcome of the z-tenotomy procedure in a canine patient.
摘要本研究旨在描述一种分阶段的双侧z-腱切开术和吻合术,用于矫正1岁雄性秋田犬的腕外翻和屈曲畸形。观察双侧腕外翻和屈曲畸形,尺侧腕屈肌腱明显拉紧。狗有轻微的,负重的双侧前肢跛行,左前肢受影响更严重。双前肢分阶段行尺侧腕屈肌腱与指浅屈肌腱z-腱切开术吻合。通过z-腱切开术和吻合受累肌腱,成功地延长腕外翻。无并发症发生。18个月的随访没有发现跛行或腕外翻的迹象。虽然肌腱损伤通常发生在小动物患者中,但缺乏报道的病例,特别是涉及肌肉肌腱挛缩。肌腱切开术成功的报道甚至更少。本病例报告支持成功的z腱切开术的结果在犬病人。
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引用次数: 2
Arthroscopic Removal of a Screwdriver Fragment in a Dog 6 Years after Femoral Fracture Repair 犬股骨骨折修复6年后关节镜下螺丝刀碎片去除
Pub Date : 2020-01-01 DOI: 10.1055/s-0040-1709451
M. Petazzoni
Abstract Objective The aim of this study was to report an unusual case of an iatrogenic foreign body within the stifle joint, removed 6 years after distal femoral fracture repair in a small dog. Acute lameness was caused by a migrating screwdriver fragment, which had been lost during initial fracture repair and which did not cause clinical signs for years until dislodged inside the joint. Case Report A male Jack Russell, 7 years of age, underwent plate and screws fixation to treat a Salter-Harris type I fracture at the age of 9 months. Seven months after surgery, partial implant removal was performed. Six years after fracture repair, the dog presented for a non-weight-bearing lameness and pain on the previously operated stifle joint, which occurred suddenly while walking on the leash. Radiographs revealed a small intra-articular metallic radiodense foreign body. Arthroscopy was used to remove the migrating broken-tip of a screwdriver from the medial aspect of the tibiofemoral joint. Retrieving the foreign body led to the immediate resolution of clinical signs without complications. Conclusion By reporting this case of a forgotten foreign body retained inside a stifle joint for 6 years, we aim to illustrate the potential risk of leaving a piece of metal inside the body. A high index of suspicion for such complications should be kept a long time after surgery. Arthroscopy was a useful first-line tool for efficiently and mini-invasively treating this unusual problem.
摘要目的报告一例罕见的犬股远端骨折修复后6年取出的膝关节内医源性异物。急性跛行是由一个迁移的螺丝刀碎片引起的,该碎片在最初的骨折修复过程中丢失,多年来没有引起临床症状,直到在关节内移位。病例报告一名7岁的雄性杰克罗素犬,在9个月大时接受钢板和螺钉固定治疗Salter-Harris I型骨折。术后7个月,进行部分种植体移除。骨折修复六年后,狗出现了非负重的跛行和先前手术的膝关节疼痛,这是在牵着皮带走路时突然发生的。x线片显示一个小的关节内金属放射性致密异物。关节镜用于从胫股关节内侧移除迁移的螺丝刀断裂尖端。取出异物可立即消除临床症状,无并发症。结论:通过报告这个被遗忘的异物在膝关节内保留了6年的病例,我们的目的是说明在体内留下一块金属的潜在风险。术后应长期保持对此类并发症的高度怀疑。关节镜检查是有效微创治疗这种罕见疾病的一线工具。
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引用次数: 1
Marked Directional Skull Asymmetry in the Araucan Horse 阿劳坎马明显的方向性头骨不对称
Pub Date : 2020-01-01 DOI: 10.1055/s-0040-1702986
P. Parés-Casanova, R. Crosby-Granados, Fabián Muñoz, Arcesio Salamanca-Carreño
Abstract Background Deviations from the perfect symmetry of normally bilateral symmetrical characters occur during individual development due to the influence of multiple factors. Fluctuating asymmetry (FA) is the random developmental variation of a trait (or character) that is perfectly symmetrical, on average, across a population. Directional asymmetry (DA) occurs when one side of the pair of body sides is strongly more marked. Objective We investigated the presence and level of skull FA and DA in the Araucan horse, a breed from East Colombia. Study Design A sample of 21 skulls belonging to adult animals was studied by means of standard geometric–morphometric methods using 16 landmarks on the dorsal aspect of the crania. Results Measurements showed a significant DA with a consistent rightward shift of the splanchnocrania. Conclusions The results of this study raise questions about the influence of masticatory biomechanics on the asymmetric development of the skull, and also about how management and ingesta-specific properties (such as abrasiveness) may influence this asymmetry.
摘要背景在个体发育过程中,由于多种因素的影响,正常的双侧对称特征会偏离完美对称。波动不对称(FA)是一种特征(或性格)的随机发育变异,在种群中平均而言是完全对称的。方向性不对称(DA)发生在一对身体侧面的一侧明显更明显时。目的调查东哥伦比亚阿劳坎马颅骨FA和DA的存在和水平。研究设计采用标准的几何形态计量学方法,利用颅骨背侧的16个标志对21个成年动物颅骨样本进行了研究。结果测量显示明显的DA,并伴有吻合的颅腔右移。本研究的结果提出了咀嚼生物力学对颅骨不对称发育的影响,以及处理和摄入特异性特性(如磨擦性)如何影响这种不对称的问题。
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引用次数: 4
The Use of an Intraoperative Skeletal Traction Device for Delayed Reduction in Pelvic Fractures in Two Dogs 术中骨骼牵引装置在两只犬骨盆骨折延迟复位中的应用
Pub Date : 2020-01-01 DOI: 10.1055/s-0040-1713124
Alexandros Bourbos, F. Cinti, Fabiana Sergiampietri, G. Pisani
Abstract Two large-breed dogs underwent delayed surgical repair of pelvic fractures with the aid of a skeletal traction device. Distraction and reduction in the fractures using the skeletal traction device were monitored by direct visualization and intraoperative fluoroscopy. Postoperative radiographs revealed good to near-anatomical bone reduction and fracture alignment without narrowing of the pelvic canal. Both dogs had complete functional recovery with no evidence of neurological deficits. The use of a skeletal traction device should be considered for reduction and fixation of delayed pelvic fractures.
摘要:两只大犬在骨骼牵引装置的帮助下接受骨盆骨折的延迟手术修复。采用骨牵引装置牵引骨折的牵张和复位情况通过直视和术中透视进行监测。术后x线片显示良好至接近解剖的骨复位和骨折对齐,无骨盆管狭窄。两只狗的功能完全恢复,没有神经功能缺陷的迹象。应考虑使用骨骼牵引装置复位和固定迟发性骨盆骨折。
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引用次数: 2
Pantarsal Arthrodesis to Treat a Full-Thickness Lateral Trochlear Ridge Osteochondritis Dissecans in a Dog 甲侧关节融合术治疗犬全层滑车外侧脊状骨软骨炎
Pub Date : 2019-07-01 DOI: 10.1055/s-0039-1694702
M. Petazzoni, Michela Buiatti
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引用次数: 0
Mitigation of Antibiotic-Inducted Toxicity in Equine Chondrocytes by Soybean/Glucosamine/Chondroitin Combination 大豆/氨基葡萄糖/软骨素联合治疗对马软骨细胞抗生素毒性的影响
Pub Date : 2019-07-01 DOI: 10.1055/s-0039-1693441
Cathleen A. Mochal-King, A. Rashmir, Lowella V. Fortuno, M. Grzanna, A. Au, J. Dougherty, C. Frondoza
Abstract Objectives The aim of this study was to evaluate the effect of amikacin (AK) and enrofloxacin (EF) at concentrations consistent with those obtained by intra-articular and intravenous regional limb perfusion on both cytotoxicity and prostaglandin E2 (PGE2) production by equine chondrocytes. This study also determines if PGE2 production could be reduced by avocado/soybean unsaponifiables (ASU), glucosamine (GLU) and chondroitin sulphate (CS). Study Design Chondrocytes were grown in monolayer from the articular cartilage of 12 horses and treated with clinically relevant concentrations of AK and EF, with or without the combination of ASU + GLU + CS. Positive controls consisted of chondrocytes that were activated with lipopolysaccharide (LPS). Chondrocyte response was evaluated using both MTT cytotoxicity assay and immunoassay for PGE2 production. Results Amikacin and EF generated a dose-dependent cytotoxicity. Amikacin induced 90% cell death at a concentration of 25 mg/mL. Enrofloxacin induced 90% cell death at 1.0 mg/mL and 98% cell death at 10 mg/mL (p < 0.05). Amikacin failed to induce PGE2 production at any of the concentrations studied. In contrast, EF and the positive control (LPS) induced PGE2 production at all concentrations. Induction of PGE2 by EF at all concentrations was significantly reduced (p < 0.05) by pre-treatment with ASU + GLU + CS. Conclusions and Clinical Relevance Horses receiving commonly used dosages of AK and EF may benefit from administration of ASU + GLU + CS.
摘要目的本研究的目的是评估阿米卡星(AK)和恩诺沙星(EF)在与关节内和静脉局部肢体灌注浓度一致的情况下对马软骨细胞的细胞毒性和前列腺素E2 (PGE2)产生的影响。本研究还确定了鳄梨/大豆不皂化物(ASU)、氨基葡萄糖(GLU)和硫酸软骨素(CS)是否会降低PGE2的产量。研究设计从12匹马的关节软骨中培养单层软骨细胞,并给予临床相关浓度的AK和EF,有或没有ASU + GLU + CS联合治疗。阳性对照由脂多糖(LPS)激活的软骨细胞组成。采用MTT细胞毒性试验和免疫试验对PGE2的产生进行软骨细胞反应评估。结果阿米卡星和EF均呈剂量依赖性细胞毒性。阿米卡星在25 mg/mL浓度下诱导90%的细胞死亡。恩诺沙星1.0 mg/mL诱导90%细胞死亡,10 mg/mL诱导98%细胞死亡(p < 0.05)。阿米卡星在任何浓度下都不能诱导PGE2的产生。相反,EF和阳性对照(LPS)在所有浓度下都能诱导PGE2的产生。经ASU + GLU + CS预处理后,EF对PGE2的诱导均显著降低(p < 0.05)。结论和临床意义马接受常用剂量的AK和EF可能受益于给药ASU + GLU + CS。
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引用次数: 0
Extracorporeal Shock Wave Therapy for the Treatment of Non-Union of a Canine Mandibular Fracture 体外冲击波治疗犬下颌骨骨折不愈合
Pub Date : 2019-07-01 DOI: 10.1055/s-0039-3400617
O. Oginska, R. Whitelock, K. Hausler, Amy Stelman, M. Allen
Abstract The use of extracorporeal shock wave therapy (ESWT) for the treatment of delayed or non-union of long bone fractures has been described in human patients with encouraging results. This case report describes the successful treatment of a mandibular fracture non-union with ESWT. To authors' knowledge, this is the first report of the clinical use of ESWT for the management of a non-union in a dog.
体外冲击波疗法(ESWT)用于治疗延迟或不愈合的长骨骨折的人类患者已经描述了令人鼓舞的结果。本病例报告描述了用ESWT成功治疗下颌骨骨折不愈合。据作者所知,这是临床应用ESWT治疗犬骨不连的第一份报告。
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引用次数: 0
Evaluation of Systemic Effects of Negative Pressure Wound Therapy in Open Wound Treatment in Dogs 负压创面治疗在犬开放性创面治疗中的全身效果评价
Pub Date : 2019-07-01 DOI: 10.1055/s-0039-1693007
R. Albert, S. Reese, M. Nolff, A. Meyer-Lindenberg
Abstract Objectives The aim of this study was to evaluate the systemic effect of negative pressure wound therapy (NPWT) on the treatment of complicated wounds in dogs. Materials and Methods Dogs undergoing open wound treatment were randomly assigned to one of two groups: NPWT (n = 11) or polyurethane foam dressing (n = 11). Rectal temperature, heart rate as well as haematocrit, thrombocytes, leucocyte count, band neutrophils, C-reactive protein (CrP), total protein and albumin were recorded daily from the beginning of therapy (day 0) until day 5, as well as on day 10. The effect of treatment on systemic parameters was evaluated as well as the prognostic power of the individual parameters with regard to successful wound closure. Results A more profound systemic decrease was found in total protein under NPWT. This difference was non-significant. Patients with non-successful closure displayed a non-significant trend towards lower initial leukocyte and thrombocyte counts and significantly higher CrP values on days 4, 5 and 10 (p < 0.05) compared with successfully treated patients. Receiver operating characteristic analysis revealed an optimal cutoff value of 70.2 mg/L at day 4 (sensitivity 80; specificity of 85.7). Conclusion There might be an increased loss of protein in NPWT-treated patients, which does not affect albumin levels, otherwise no systemic effects were detected compared with the control treatment. The parameter with the best sensitivity and specificity to detect serious complications (no wound closure achieved) was CrP at day 4.
摘要目的探讨负压创伤治疗(NPWT)对犬复杂创伤的全身性影响。材料和方法将接受开放性伤口治疗的狗随机分为两组:NPWT (n = 11)或聚氨酯泡沫敷料(n = 11)。从治疗开始(第0天)到第5天和第10天,每天记录直肠温度、心率以及红细胞压积、血小板、白细胞计数、带中性粒细胞、c反应蛋白(CrP)、总蛋白和白蛋白。评估了治疗对全身参数的影响,以及个体参数对伤口成功愈合的预后作用。结果NPWT组全身总蛋白水平明显下降。这种差异不显著。与成功治疗的患者相比,未成功治疗的患者在第4、5和10天的初始白细胞和血小板计数较低,CrP值显着升高(p < 0.05)。受试者工作特性分析显示,第4天最佳临界值为70.2 mg/L(灵敏度80;特异性为85.7)。结论与对照组相比,npwt治疗组可能存在蛋白损失增加,但不影响白蛋白水平,否则未见全身性影响。检测严重并发症(未完成缝合)的敏感性和特异性最佳参数是第4天的CrP。
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引用次数: 1
期刊
VCOT Open
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