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Effect of a single rectal fecal microbiota transplantation on clinical severity and fecal microbial communities in dogs with chronic inflammatory enteropathy 单一直肠粪便菌群移植对慢性炎症性肠病犬临床严重程度和粪便微生物群落的影响。
IF 2.1 2区 农林科学 Q1 VETERINARY SCIENCES Pub Date : 2025-01-08 DOI: 10.1111/jvim.17264
Jorge Pérez-Accino, Mazdak Salavati, Laura Glendinning, Silke Salavati Schmitz

Background

Fecal microbiota transplantation (FMT) has been advocated as a treatment for chronic enteropathy (CE) in dogs. However, so far only short-term clinical effects have been reported whereas the effect on the microbiota remains unexplored.

Hypothesis/Objectives

Assess if a single FMT enema can lead to clinical improvement in dogs with CE when accompanied by presumed favorable microbiota changes. The effect of glycerol as a cryopreservative when storing FMT preparations also was assessed.

Animals

Seven dogs with CE that received FMTs from 2 healthy donor dogs.

Materials and Methods

Six dogs received a single FMT, 1 dog received 3 consecutive FMTs. Canine chronic enteropathy clinical activity index (CCECAI) and fecal samples were obtained before (Day 0), and 7, 30 and 90 days after FMT. Samples were stored with and without 10% glycerol. Sequencing of microbiota (16S rRNA, Illumina) was performed and compared by accepted analysis pipelines.

Results

Median CCECAI before FMT was 8 (range, 5-14), decreased to a median of 3 (range, 1-12) within 1 week and a median of 1 (range, 0-12) by Day 30 (P < .01), with an average duration of response of approximately 10 weeks. Significant variation in the donors' microbiota composition was observed across different donations. Recipient microbiota composition or diversity did not change over time. Glycerol addition was associated with a difference in microbiota composition (P ≤ .001).

Conclusions and Clinical Importance

A single FMT can be considered an appropriate treatment in dogs with CE, but consistent microbiota changes were not observed.

背景:粪便微生物群移植(FMT)一直被提倡作为狗慢性肠病(CE)的治疗方法。然而,到目前为止,仅报道了短期临床效果,而对微生物群的影响仍未研究。假设/目的:评估单次FMT灌肠是否可以导致CE犬的临床改善,同时假定有利的微生物群变化。甘油作为冷冻保存剂储存FMT制剂时的效果也进行了评估。动物:7只患有CE的狗接受了2只健康供体狗的FMTs。材料与方法:6只犬接受单次FMT, 1只犬连续接受3次FMT。分别于FMT后第0天、第7天、第30天和第90天采集犬慢性肠病临床活动指数(CCECAI)和粪便样本。样品分别在加10%甘油和不加10%甘油的情况下保存。进行微生物群测序(16S rRNA, Illumina),并通过公认的分析管道进行比较。结果:FMT前CCECAI的中位数为8(范围5-14),在1周内降至中位数3(范围1-12),到第30天降至中位数1(范围0-12)(P)结论和临床重要性:单次FMT可被认为是CE犬的适当治疗,但未观察到一致的微生物群变化。
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引用次数: 0
Expression of osteogenic proteins in kidneys of cats with nephrocalcinosis 肾钙化症猫肾脏成骨蛋白的表达。
IF 2.1 2区 农林科学 Q1 VETERINARY SCIENCES Pub Date : 2025-01-06 DOI: 10.1111/jvim.17278
Nuttha Hengtrakul, Eva Furrow, Michael Borofsky, Ferenc Toth, Jody P. Lulich

Background

Nephrocalcinosis is a common pathological finding in cats with chronic kidney disease and nephrolithiasis. Understanding its pathogenesis may identify future therapeutic targets.

Hypothesis

Nephrocalcinosis is associated with expression of an osteogenic phenotype.

Animals

Kidneys with medullary mineralization were obtained from 18 cats (10 with and 8 without nephroliths) undergoing necropsy.

Methods

Cross-sectional study. Microradiography and histopathology (modified von Kossa stain) were used to confirm parenchymal mineralization. Immunohistochemistry for 5 osteogenic markers was performed to determine their co-localization with nephrocalcinosis. The proportion of kidneys with stronger immunointensity in mineralized versus non-mineralized regions was analyzed using 1-tailed sign tests. The proportion of kidneys with co-localization of nephrocalcinosis and each marker was compared between kidneys with and without nephroliths using Fisher's exact tests.

Results

Nephrocalcinosis co-localized with osteopontin immunoreactivity in all 18 cats (100%) and with osteocalcin in 12 cats (67%). Both osteogenic markers had stronger immunointensity in mineralized regions compared with non-mineralized regions. Limited co-localization was observed with other markers: bone morphogenic protein-2 in 2 kidneys (both with nephroliths) and tissue non-specific alkaline phosphatase in 1 kidney (without nephroliths); runt-related transcription factor-2 was undetected. No statistically significant differences were found in the co-localization of nephrocalcinosis with osteogenic proteins between kidneys with and without nephroliths.

Conclusions and Clinical Importance

Expression of osteogenic proteins in areas of nephrocalcinosis indicates that nephrocalcinosis is associated with the development of an osteogenic phenotype. Targeting these processes could offer a novel approach to prevent nephrolithiasis at its origin.

背景:肾钙质沉着症是猫慢性肾病和肾结石的常见病理表现。了解其发病机制可以确定未来的治疗靶点。假设:肾钙质沉着症与成骨表型的表达有关。动物:从尸检的18只猫(10只有肾结石,8只没有肾结石)身上获得肾髓质矿化。方法:横断面研究。显微x线摄影和组织病理学(改良von Kossa染色)证实实质矿化。对5种成骨标志物进行免疫组化,以确定它们与肾钙质沉着症的共定位。采用单尾标志试验分析矿化区与非矿化区免疫强度较强的肾脏比例。采用Fisher精确试验比较有肾结石和无肾结石肾脏中肾钙化共定位及各标志物的比例。结果:18只猫肾钙沉着症均伴有骨桥蛋白免疫反应(100%),12只猫伴有骨钙素免疫反应(67%)。两种成骨标志物在矿化区比非矿化区具有更强的免疫强度。与其他标志物有限的共定位:2个肾脏(均有肾结石)的骨形态发生蛋白-2和1个肾脏(无肾结石)的组织非特异性碱性磷酸酶;未检测到矮子相关转录因子-2。在有肾结石和没有肾结石的肾脏中,伴有成骨蛋白的肾钙化症共定位没有统计学上的显著差异。结论和临床意义:肾钙化症区成骨蛋白的表达表明肾钙化症与成骨表型的发展有关。针对这些过程可以提供一种新的方法来预防肾结石的起源。
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引用次数: 0
Retrospective evaluation of computed tomographic-guided Tru-Cut biopsies in 16 dogs and 14 cats with nasal cavity mass lesions 16只狗和14只猫鼻腔肿块的ct引导下Tru-Cut活检回顾性评价。
IF 2.1 2区 农林科学 Q1 VETERINARY SCIENCES Pub Date : 2024-12-30 DOI: 10.1111/jvim.17296
Jessica Milne, Sophie Ekkebus, Daniel Thompson, Robert Brash

Background

Approximately 80% of nasal masses in dogs and 91% of nasal masses in cats are reported to be malignant, but the currently reported diagnostic rate of neoplasia is 54% using blind or rhinoscopic biopsy techniques.

Hypothesis/Objectives

Describe the technique of computed tomography (CT)-guided Tru-Cut (Tru-Cut biopsy needle, Merit Medical Systems, Utah, USA) nasal biopsies in cats and dogs to determine the diagnostic rate of neoplasia on the first round of sampling and to evaluate the safety of the technique.

Animals

Thirty client-owned animals, 16 dogs and 14 cats, that had CT-guided nasal biopsies performed to investigate nasal masses.

Methods

Retrospective, single-center, medical record review of 16 dogs and 14 cats that had CT-guided nasal biopsies performed between 2022 and 2024.

Results

Diagnostic biopsy samples were acquired using CT-guided Tru-Cut sampling in 28/30 cases (93%). The diagnosis was considered clinically appropriate in 26/30 cases (87%): neoplasia in 24/30 cases (80%) and rhinitis in 2/30 cases (7%). Neoplasia was the final diagnosis in 14/16 dogs (88%) and 10/14 cats (71%).

Conclusions and Clinical Importance

Computed tomographic-guided Tru-Cut biopsies can result in a high first-round diagnosis of neoplasia in nasal masses in cats and dogs, without clinically relevant complications. This technique is a useful alternative method of sampling nasal masses that may be difficult to access via rhinoscopy.

背景:据报道,大约80%的狗鼻肿块和91%的猫鼻肿块是恶性的,但目前报道的肿瘤诊断率是54%,使用盲或鼻镜活检技术。假设/目的:描述计算机断层扫描(CT)引导下的trui - cut (trui - cut活检针,Merit Medical Systems, Utah, USA)对猫和狗进行鼻腔活检的技术,以确定第一轮取样时肿瘤的诊出率,并评估该技术的安全性。动物:30只客户拥有的动物,16只狗和14只猫,进行了ct引导下的鼻腔活检,以调查鼻腔肿块。方法:回顾性、单中心、病历回顾,对2022年至2024年间接受ct引导下鼻腔活检的16只狗和14只猫进行检查。结果:30例患者中有28例(93%)采用ct引导下的truc - cut取样获得诊断性活检标本。26/30例(87%)的诊断符合临床诊断,24/30例(80%)为肿瘤,2/30例(7%)为鼻炎。14/16的狗(88%)和10/14的猫(71%)最终诊断为肿瘤。结论和临床意义:计算机断层扫描引导下的trucut活检可以在猫和狗的鼻肿块中获得高的第一轮诊断,没有临床相关的并发症。这项技术是一种有用的替代方法,可以对难以通过鼻镜检查的鼻肿块进行取样。
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引用次数: 0
Spinal arachnoid diverticula in cats: Clinical presentation, diagnostic imaging findings, treatment, and outcome 猫的脊髓蛛网膜憩室:临床表现、诊断影像表现、治疗和结果。
IF 2.1 2区 农林科学 Q1 VETERINARY SCIENCES Pub Date : 2024-12-30 DOI: 10.1111/jvim.17294
João Miguel De Frias, Sofie F. M. Bhatti, George Nye, Rita Gonçalves, Tom Harcourt-Brown, Angela Fadda, Katia Marioni-Henry, Hannah Padley, Steven De Decker

Background

Spinal arachnoid diverticulum (SAD) is considered a rare disease in cats. Previous reports mainly classified SAD in cats as acquired.

Hypothesis/Objectives

The aim of this study was to describe the signalment, clinical presentation, diagnostic imaging findings, and outcome in a group of cats with SAD.

Animals

Twenty-one client-owned cats.

Methods

Multicenter observational retrospective review of the medical records of cats diagnosed with SAD by magnetic resonance imaging.

Results

Most cats were Domestic Short Hair (67%), male (63%), and had a wide range of ages (18 weeks to 13 years old). Neuroanatomical localization was consistent with a T3-L3 myelopathy in 18 cats (86%) and C1-C5 myelopathy in 3 cats (14%). One cat with a C1-C5 myelopathy demonstrated bilateral vestibular clinical signs. One cat (5%) had fecal incontinence. Most cats demonstrated a chronic, progressive, nonlateralized, nonpainful myelopathy. No underlying previous or concurrent spinal condition was found in 48% of the cats. No difference in age, body weight, breed, sex, treatment, or outcome was found between cats with or without a concurrent spinal disorder. One cat was euthanized after diagnosis. Six cats improved, 1 deteriorated and 1 remained static after surgery, whereas 3 cats improved, 5 deteriorated and 4 remained static after medical management on the short-term outcome. Overall, 73% (8/11) of the cats deteriorated on available long-term follow-up information.

Conclusions and Clinical Importance

Spinal arachnoid diverticulum should be considered for cats with chronic, progressive, symmetrical, nonpainful myelopathy, particularly if male and with a history of spinal disease or surgery.

背景:脊髓蛛网膜憩室(SAD)被认为是猫的一种罕见疾病。以前的报告主要将猫的SAD分类为获得性。假设/目的:本研究的目的是描述一组患有SAD的猫的信号、临床表现、诊断成像结果和结果。动物:21只客户养的猫。方法:对经磁共振成像诊断为SAD的猫的病历进行多中心观察性回顾性分析。结果:大多数猫为家养短毛猫(67%),公猫(63%),年龄范围广泛(18周龄至13岁)。神经解剖定位与18只猫(86%)的T3-L3型脊髓病和3只猫(14%)的C1-C5型脊髓病一致。一只患有C1-C5脊髓病的猫表现出双侧前庭临床症状。1只猫(5%)出现大便失禁。大多数猫表现为慢性,进行性,非侧化,无痛性脊髓病。48%的猫没有发现潜在的先前或并发的脊柱疾病。在有或没有并发脊柱疾病的猫之间,没有发现年龄、体重、品种、性别、治疗或结果的差异。其中一只猫在诊断后被安乐死。手术后6只猫改善,1只恶化,1只保持静止,而3只猫改善,5只恶化,4只保持静止。总体而言,73%(8/11)的猫在可获得的长期随访信息中病情恶化。结论和临床意义:对于患有慢性、进行性、对称性、无痛性脊髓病的猫,特别是有脊柱疾病或手术史的雄性猫,应考虑脊髓蛛网膜憩室。
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引用次数: 0
Alterations in gut-derived uremic toxins before the onset of azotemic chronic kidney disease in cats 猫发生azotic慢性肾病前肠道源性尿毒症毒素的改变
IF 2.1 2区 农林科学 Q1 VETERINARY SCIENCES Pub Date : 2024-12-30 DOI: 10.1111/jvim.17289
Laurens Van Mulders, Ellen Vanden Broecke, Ellen De Paepe, Femke Mortier, Lynn Vanhaecke, Sylvie Daminet

Background

Although gut-derived uremic toxins are increased in azotemic chronic kidney disease (CKD) in cats and implicated in disease progression, it remains unclear if augmented formation or retention of these toxins is associated with the development of renal azotemia.

Objectives

Assess the association between gut-derived toxins (ie, indoxyl-sulfate, p-cresyl-sulfate, and trimethylamine-N-oxide [TMAO]) and the onset of azotemic CKD in cats.

Animals

Forty-eight client-owned cats.

Methods

Nested case-control study, comparing serum and urine gut-derived uremic toxin abundance at 6-month intervals between initially healthy cats that developed azotemic CKD (n = 22) and a control group (n = 26) that remained healthy, using a targeted metabolomic approach.

Results

Cats in the CKD group had significantly higher serum indoxyl-sulfate (mean [SD], 1.44 [1.06] vs 0.83 [0.46]; P = .02) and TMAO (mean [SD], 1.82 [1.80] vs 1.60 [0.62]; P = .01) abundance 6 months before the detection of azotemic CKD. Furthermore, logistic regression analysis indicated that indoxyl-sulfate (odds ratio [OR]: 3.2; 95% confidence interval [CI]: 1.2-9.0; P = .04) and TMAO (OR: 3.9; 95% CI: 1.4-11; P = .03) were predictors for the onset of azotemia 6 months before diagnosis. However, renal function biomarkers creatinine, symmetric dimethylarginine, and urinary specific gravity were significantly correlated with indoxyl-sulfate and TMAO abundance, causing a loss in predictive significance after correction for these factors.

Conclusions

Impaired gut-derived uremic toxin handling is apparent at least 6 months before the diagnosis of azotemia, likely reflecting an already ongoing decrease in GFR, tubular function, or both. A direct causal relationship between gut-derived uremic toxicity and the initiation of CKD in cats is still lacking.

背景:虽然猫的氮态慢性肾病(CKD)中肠道源性尿毒症毒素增加,并与疾病进展有关,但尚不清楚这些毒素的增加形成或保留是否与肾氮态的发展有关。目的:评估肠道来源毒素(即吲哚基硫酸酯、对甲酰硫酸酯和三甲胺- n -氧化物[TMAO])与猫氮态CKD发病之间的关系。动物:48只客户养的猫。方法:巢式病例对照研究,使用靶向代谢组学方法,比较最初健康的患有azozed CKD的猫(n = 22)和保持健康的对照组(n = 26)在6个月间隔内的血清和尿液肠道源性尿毒症毒素含量。结果:CKD组猫血清中吲哚基硫酸酯含量显著升高(平均[SD], 1.44 [1.06] vs 0.83 [0.46];P = .02点)和TMAO(平均(SD), 1.82(1.80)和1.60 (0.62);P = 0.01)丰度在azotic CKD检测前6个月。此外,logistic回归分析表明,吲哚基硫酸盐(优势比[OR]: 3.2;95%置信区间[CI]: 1.2-9.0;P = .04)和氧化三甲胺(OR: 3.9;95% ci: 1.4-11;P = .03)是诊断前6个月氮血症发病的预测因子。然而,肾功能生物标志物肌酐、对称二甲基精氨酸和尿比重与硫酸吲哚基和氧化三甲胺丰度显著相关,在校正这些因素后,导致预测意义丧失。结论:在诊断为氮血症之前至少6个月,肠道源性尿毒症毒素处理受损是明显的,可能反映了GFR、肾小管功能或两者已经持续下降。在猫中,肠道源性尿毒症毒性与CKD发病之间的直接因果关系仍然缺乏。
{"title":"Alterations in gut-derived uremic toxins before the onset of azotemic chronic kidney disease in cats","authors":"Laurens Van Mulders,&nbsp;Ellen Vanden Broecke,&nbsp;Ellen De Paepe,&nbsp;Femke Mortier,&nbsp;Lynn Vanhaecke,&nbsp;Sylvie Daminet","doi":"10.1111/jvim.17289","DOIUrl":"10.1111/jvim.17289","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Although gut-derived uremic toxins are increased in azotemic chronic kidney disease (CKD) in cats and implicated in disease progression, it remains unclear if augmented formation or retention of these toxins is associated with the development of renal azotemia.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Objectives</h3>\u0000 \u0000 <p>Assess the association between gut-derived toxins (ie, indoxyl-sulfate, p-cresyl-sulfate, and trimethylamine-N-oxide [TMAO]) and the onset of azotemic CKD in cats.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Animals</h3>\u0000 \u0000 <p>Forty-eight client-owned cats.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Nested case-control study, comparing serum and urine gut-derived uremic toxin abundance at 6-month intervals between initially healthy cats that developed azotemic CKD (n = 22) and a control group (n = 26) that remained healthy, using a targeted metabolomic approach.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Cats in the CKD group had significantly higher serum indoxyl-sulfate (mean [SD], 1.44 [1.06] vs 0.83 [0.46]; <i>P</i> = .02) and TMAO (mean [SD], 1.82 [1.80] vs 1.60 [0.62]; <i>P</i> = .01) abundance 6 months before the detection of azotemic CKD. Furthermore, logistic regression analysis indicated that indoxyl-sulfate (odds ratio [OR]: 3.2; 95% confidence interval [CI]: 1.2-9.0; <i>P</i> = .04) and TMAO (OR: 3.9; 95% CI: 1.4-11; <i>P</i> = .03) were predictors for the onset of azotemia 6 months before diagnosis. However, renal function biomarkers creatinine, symmetric dimethylarginine, and urinary specific gravity were significantly correlated with indoxyl-sulfate and TMAO abundance, causing a loss in predictive significance after correction for these factors.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Impaired gut-derived uremic toxin handling is apparent at least 6 months before the diagnosis of azotemia, likely reflecting an already ongoing decrease in GFR, tubular function, or both. A direct causal relationship between gut-derived uremic toxicity and the initiation of CKD in cats is still lacking.</p>\u0000 </section>\u0000 </div>","PeriodicalId":49958,"journal":{"name":"Journal of Veterinary Internal Medicine","volume":"39 1","pages":""},"PeriodicalIF":2.1,"publicationDate":"2024-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11683462/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142909847","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Erratum to “Descriptive analysis and prognostic factors in cats with myeloma-related disorders: A multicenter retrospective study of 50 cases” 对“患有骨髓瘤相关疾病的猫的描述性分析和预后因素:一项50例多中心回顾性研究”的勘误。
IF 2.1 2区 农林科学 Q1 VETERINARY SCIENCES Pub Date : 2024-12-28 DOI: 10.1111/jvim.17274

Lecot L, Desmas-Bazelle I, Benjamin S, et al. Descriptive analysis and prognostic factors in cats with myeloma-related disorders: A multicenter retrospective study of 50 cases. J Vet Inter Med. 2024; 38: 1693–1705. https://doi.org/10.1111/jvim.17051

In the above mentioned article, there is an error in section 3 Results, 3.1 Patient signalment, first sentence. The number of Bengal cats is 2 and not 22. The sentence should be as follows. “Fifty cats (43 domestic shorthair cats, 2 Bengal cats, 2 Maine coon cats, 1 Norwegian cat, 1 Siamese cat, and 1 Chartreux cat) were included.”

We apologize for this error.

{"title":"Erratum to “Descriptive analysis and prognostic factors in cats with myeloma-related disorders: A multicenter retrospective study of 50 cases”","authors":"","doi":"10.1111/jvim.17274","DOIUrl":"10.1111/jvim.17274","url":null,"abstract":"<p>Lecot L, Desmas-Bazelle I, Benjamin S, et al. Descriptive analysis and prognostic factors in cats with myeloma-related disorders: A multicenter retrospective study of 50 cases. <i>J Vet Inter Med</i>. 2024; 38: 1693–1705. https://doi.org/10.1111/jvim.17051</p><p>In the above mentioned article, there is an error in section 3 Results, 3.1 Patient signalment, first sentence. The number of Bengal cats is 2 and not 22. The sentence should be as follows. “Fifty cats (43 domestic shorthair cats, 2 Bengal cats, 2 Maine coon cats, 1 Norwegian cat, 1 Siamese cat, and 1 Chartreux cat) were included.”</p><p>We apologize for this error.</p>","PeriodicalId":49958,"journal":{"name":"Journal of Veterinary Internal Medicine","volume":"39 1","pages":""},"PeriodicalIF":2.1,"publicationDate":"2024-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11681322/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142895665","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Clinical characterization of a novel episodic ataxia in young working Cocker Spaniels 年轻可卡犬一种新型发作性共济失调的临床特征。
IF 2.1 2区 农林科学 Q1 VETERINARY SCIENCES Pub Date : 2024-12-23 DOI: 10.1111/jvim.17268
Clara Sarró, Catherine Stalin, Rodrigo Gutierrez-Quintana, Ana Cloquell

Background

Episodic ataxias (EAs) are a rare group of paroxysmal movement disorders (PMD) described in human medicine with only one suspected case described in veterinary literature.

Hypothesis/Objectives

This study aimed to provide clinical description of a suspected primary EA in working Cocker Spaniel (WCS) dogs.

Animals

Seven WCS dogs with suspected primary EA.

Methods

Descriptive, retrospecitve, multicenter study. Clinical signs, video footage, investigations, treatment, and outcome were reviewed. Owners of affected dogs were invited to complete a questionnaire.

Results

The mean age at clinical onset was 4 months. Signs were acute and included episodic body swaying, titubation, cerebellar ataxia, wide-base stance, and hypermetria, all while mentation remained unaltered. Neither autonomic nor vestibular signs nor hyperkinetic movements were observed. Duration of episodes ranged from 30 minutes up to 24 hours, and their frequency varied from weekly to once every 5 months. When investigations were performed, results revealed no abnormalities except for 1 dog that had increased gluten antibody titers. None of the dogs deteriorated, and in dogs with available follow-up (5/7) the frequency of episodes decreased or completely resolved, from which the majority (4/5) received gluten-free diet.

Conclusion and Clinical Importance

A novel PMD was identified in young WCS, manifesting as EA. The condition is suspected to have a primary (genetic) etiology, although the cause of this manifestation has not yet been identified. Episodic ataxia in our WCS had a good prognosis. Veterinarians must be aware of this presentation, and further investigations are needed to determine the origin of the clinical signs.

背景:发作性共济失调(EAs)是人类医学中罕见的一组阵发性运动障碍(PMD),兽医文献中仅报道了一例疑似病例。假设/目的:本研究旨在提供可卡犬(WCS)疑似原发性EA的临床描述。动物:7只疑似原发性ea的WCS犬。方法:描述性、回顾性、多中心研究。我们回顾了临床症状、录像、调查、治疗和结果。受感染狗的主人被邀请填写一份问卷。结果:患者平均发病年龄为4个月。症状是急性的,包括阵发性身体摇摆、抽搐、小脑性共济失调、宽基底位和高血速,而精神状态保持不变。没有观察到自主神经或前庭神经征象,也没有观察到过度运动。发作时间从30分钟到24小时不等,发作频率从每周一次到每5个月一次不等。当进行调查时,结果显示除了1只狗有增加的麸质抗体滴度外,没有任何异常。没有狗的病情恶化,在有随访的狗中(5/7),发作频率减少或完全消退,其中大多数(4/5)接受了无麸质饮食。结论和临床意义:在年轻WCS中发现了一种新的PMD,表现为EA。尽管这种表现的原因尚未确定,但怀疑其具有原发性(遗传)病因。我们WCS患者的发作性共济失调预后良好。兽医必须意识到这种表现,需要进一步调查以确定临床症状的来源。
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引用次数: 0
Prednisolone pharmacokinetics in dogs with protein-losing enteropathy 泼尼松龙在失蛋白肠病犬体内的药代动力学。
IF 2.1 2区 农林科学 Q1 VETERINARY SCIENCES Pub Date : 2024-12-23 DOI: 10.1111/jvim.17277
Sara A. Jablonski, Jessica L. Strohmeyer, John P. Buchweitz, Andreas F. Lehner, Daniel K. Langlois

Background

It is unknown if glucocorticoid malabsorption contributes to the approximate 50% treatment failure rate in dogs with protein-losing enteropathy (PLE).

Objective

To compare pharmacokinetics (PK) of orally administered prednisolone in dogs with PLE vs healthy controls.

Animals

Fourteen dogs with well-characterized PLE and 7 control dogs.

Methods

Prospective case-controlled study. Dogs were treated with 1 mg/kg prednisolone PO once daily for approximately 3 weeks. Venous blood samples were collected at set timepoints before and after prednisolone administration on the first (T1) and final (T2) study days. Total and non-protein bound serum prednisolone concentrations were determined using liquid chromatography tandem-mass spectrometry, and pharmacokinetics variables were derived from the drug concentration data. Pharmacokinetics variables were compared between PLE and control dogs and between PLE short-term responders and non-responders.

Results

The PLE dogs had a shorter half-life of the terminal slope than control dogs (harmonic mean of 1.3 vs 1.8 hours; P = .05) whereas the percentage of serum prednisolone that was non-protein bound was higher in PLE dogs than in control dogs (median of 15.7% vs 6.7%; P = .02) at T1. Total prednisolone drug exposures and maximum total serum drug concentrations did not differ between PLE and control dogs at T1 or T2, nor did they differ between short-term responders and non-responders within the PLE population (P > .05 for all comparisons).

Conclusions and Clinical Importance

Overall drug exposures are similar between PLE dogs and healthy controls. Glucocorticoid malabsorption is unlikely to be a common cause of treatment failure in dogs with PLE.

背景:目前尚不清楚糖皮质激素吸收不良是否导致了蛋白质丢失性肠病(PLE)犬治疗失败率约为50%。目的:比较口服强的松龙在PLE与健康对照犬体内的药代动力学(PK)。动物:14只具有明显特征的PLE犬和7只对照犬。方法:前瞻性病例对照研究。给狗服用1 mg/kg泼尼松龙PO,每天1次,持续约3周。在第一天(T1)和最后一天(T2)给药前后的固定时间点采集静脉血样本。采用液相色谱串联质谱法测定血清强的松龙总浓度和非蛋白结合浓度,并从药物浓度数据导出药代动力学变量。比较了PLE与对照犬以及PLE短期反应犬与无反应犬的药代动力学变量。结果:PLE组犬的终末坡半衰期短于对照组犬(调和平均值为1.3 h vs 1.8 h;P = 0.05),而非蛋白结合的血清强的松龙在PLE犬中的比例高于对照犬(中位数为15.7% vs 6.7%;P = .02)。在T1或T2时,强的松龙总药物暴露量和最大血清总药物浓度在PLE犬和对照犬之间没有差异,在PLE人群中,短期应答者和无应答者之间也没有差异(P bb0)。所有比较为05)。结论和临床意义:PLE犬与健康对照犬的总体药物暴露相似。糖皮质激素吸收不良不太可能是一个常见的原因治疗失败的狗与PLE。
{"title":"Prednisolone pharmacokinetics in dogs with protein-losing enteropathy","authors":"Sara A. Jablonski,&nbsp;Jessica L. Strohmeyer,&nbsp;John P. Buchweitz,&nbsp;Andreas F. Lehner,&nbsp;Daniel K. Langlois","doi":"10.1111/jvim.17277","DOIUrl":"10.1111/jvim.17277","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>It is unknown if glucocorticoid malabsorption contributes to the approximate 50% treatment failure rate in dogs with protein-losing enteropathy (PLE).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Objective</h3>\u0000 \u0000 <p>To compare pharmacokinetics (PK) of orally administered prednisolone in dogs with PLE vs healthy controls.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Animals</h3>\u0000 \u0000 <p>Fourteen dogs with well-characterized PLE and 7 control dogs.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Prospective case-controlled study. Dogs were treated with 1 mg/kg prednisolone PO once daily for approximately 3 weeks. Venous blood samples were collected at set timepoints before and after prednisolone administration on the first (T1) and final (T2) study days. Total and non-protein bound serum prednisolone concentrations were determined using liquid chromatography tandem-mass spectrometry, and pharmacokinetics variables were derived from the drug concentration data. Pharmacokinetics variables were compared between PLE and control dogs and between PLE short-term responders and non-responders.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>The PLE dogs had a shorter half-life of the terminal slope than control dogs (harmonic mean of 1.3 vs 1.8 hours; <i>P</i> = .05) whereas the percentage of serum prednisolone that was non-protein bound was higher in PLE dogs than in control dogs (median of 15.7% vs 6.7%; <i>P</i> = .02) at T1. Total prednisolone drug exposures and maximum total serum drug concentrations did not differ between PLE and control dogs at T1 or T2, nor did they differ between short-term responders and non-responders within the PLE population (<i>P</i> &gt; .05 for all comparisons).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions and Clinical Importance</h3>\u0000 \u0000 <p>Overall drug exposures are similar between PLE dogs and healthy controls. Glucocorticoid malabsorption is unlikely to be a common cause of treatment failure in dogs with PLE.</p>\u0000 </section>\u0000 </div>","PeriodicalId":49958,"journal":{"name":"Journal of Veterinary Internal Medicine","volume":"39 1","pages":""},"PeriodicalIF":2.1,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11665961/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142882505","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cerebrospinal fluid-specific oligoclonal bands in dogs with idiopathic epilepsy 特发性癫痫犬脑脊液特异性寡克隆带。
IF 2.1 2区 农林科学 Q1 VETERINARY SCIENCES Pub Date : 2024-12-23 DOI: 10.1111/jvim.17265
Junwei Föhr, Julia K. Prümmer, Arianna Maiolini, Eliane Marti, Ilijas Jelcic, Beatriz Vidondo, Mario Ziegler, Andrea Bathen-Nöthen, Andrea Tipold, Holger A. Volk, Veronika M. Stein

Background

In dogs with idiopathic epilepsy (IE), 33% develop resistance to conventional anti-seizure medication (ASM) despite adequate treatment. In human medicine, an immune-mediated etiology is suspected in a subset of ASM-resistant patients with epilepsy and cerebrospinal fluid (CSF)-specific immunoglobulin G (IgG)-type oligoclonal bands (OCBs) have been detected. In dogs, cases of autoimmune encephalitis recently were reported. Neuroinflammation may provide an additional explanation for the lack of response of certain dogs with IE to ASM.

Hypothesis

Cerebrospinal fluid-specific OCBs are found in a subgroup of dogs with ASM-resistant IE.

Animals

Eighty-four dogs with IE were recruited from 3 referral centers and classified based on their response to ASM treatment (responsive, n = 56; resistant, n = 28).

Methods

Detection of OCBs was performed using isoelectric focusing (IEF) followed by immunoblotting. Associations of CSF-specific OCBs with seizure type, severity, and response to ASM were calculated using logistic regression models.

Results

The overall frequency of CSF-specific OCBs in dogs with IE was 15.5% (95% confidence interval [CI], 8.5%-25%). In dogs with ASM-resistant IE, 21.4% (6/28) had CSF-specific OCBs compared with only 12.5% (7/56) in those responsive to ASM, but no evidence of an association was detected (odds ratio, 1.9; 95% CI, 0.57-6.35; P = .29).

Conclusions and Clinical Importance

Cerebrospinal fluid-specific OCBs were detected in a subgroup of dogs with IE. This finding could indicate that intrathecal IgG synthesis as a sign of neuroinflammation may play a role in disease pathogenesis.

背景:在患有特发性癫痫(IE)的狗中,尽管接受了适当的治疗,但仍有33%对常规抗癫痫药物(ASM)产生耐药性。在人类医学中,在一部分癫痫和脑脊液(CSF)特异性免疫球蛋白G (IgG)型寡克隆带(ocb)的抗asm患者中,怀疑免疫介导的病因。在犬类中,最近报告了自身免疫性脑炎病例。神经炎症可能为某些IE犬对ASM缺乏反应提供了额外的解释。假设:脑脊液特异性ocb存在于抗asm IE犬的一个亚群中。动物:从3个转诊中心招募84只患有IE的狗,并根据它们对ASM治疗的反应进行分类(反应性,n = 56;耐药,n = 28)。方法:采用等电聚焦(IEF)和免疫印迹法检测OCBs。使用逻辑回归模型计算csf特异性ocb与癫痫发作类型、严重程度和对ASM的反应的关联。结果:IE犬csf特异性ocb的总频率为15.5%(95%可信区间[CI], 8.5%-25%)。在ASM抵抗性IE犬中,21.4%(6/28)有csf特异性ocb,而ASM反应性IE犬中只有12.5%(7/56),但没有证据表明两者之间存在关联(优势比为1.9;95% ci, 0.57-6.35;p = .29)。结论和临床意义:在IE犬亚组中检测到脑脊液特异性ocb。这一发现可能表明鞘内IgG合成作为神经炎症的标志可能在疾病发病机制中发挥作用。
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引用次数: 0
Effect of refrigeration, room temperature, and processing time on serum immunofluorescent antibody titers for Sarcocystis neurona 冷藏、室温和处理时间对神经元性肌囊炎血清免疫荧光抗体效价的影响。
IF 2.1 2区 农林科学 Q1 VETERINARY SCIENCES Pub Date : 2024-12-23 DOI: 10.1111/jvim.17282
Claudia Valderrama-Martinez, Andrea Packham, Shichen Zheng, Woutrina Smith, Magdalena Plancarte, Monica Aleman

Background

Evaluating antibody titers for Sarcocystis neurona for the diagnosis of equine protozoal myeloencephalitis from serum samples is a common practice. However, ensuring timely and proper refrigeration is not always possible.

Objectives

To evaluate immunofluorescent antibody (IFA) titers for S. neurona from serum samples stored at room temperature and 4°C.

Samples

Twenty-two serum samples.

Methods

Prospective longitudinal study. Two serum aliquots of 1 mL each were stored at room temperature (20-23.3°C) and 4°C. The unrefrigerated aliquot was immediately tested for IFA titers. Both aliquots were retested on Days 5 and 10 after collection. A paired t test was used to compare IFA titers at different time points.

Results

There was no significant difference between IFA titers from baseline with those stored at room temperature at Days 5 (P = .741, 95% CI [−56.83, 78.65]), 10 (P = .677, 95% CI [−50.01, 75.46]), and between 5 and 10 days (P = 0.949, 95% CI [−57.50, 61.14]). There was no significant difference from baseline with those stored at 4°C for Days 5 (P = .964, 95% CI [−81.81, 85.45]), 10 (P = 0.573, 95% CI [−109.4, 62.15]), and between 5 and 10 days (P = .5, 95% CI [−102.6, 51.67]). There was no statistical difference between samples stored at room temperature and 4°C (P = .688, CI [−55.51, 37.33]) on Days 5 and 10 (P = .104, CI [−80.8, 8.07]).

Conclusions and Clinical Importance

Immunofluorescent antibody test titers for S. neurona are stable for up to 10 days at room temperature and 4°C.

背景:从马的血清样本中检测神经元性肌囊炎抗体滴度以诊断马的原生动物髓性脑炎是一种常见的做法。然而,确保及时和适当的冷藏并不总是可能的。目的:评价室温和4℃保存的神经梭状细胞血清中免疫荧光抗体(IFA)的效价。样本:22份血清样本。方法:前瞻性纵向研究。血清等份各1 mL,分别保存于室温(20-23.3℃)和4℃。未冷藏的等价物立即检测IFA滴度。在收集后的第5天和第10天重新测试两个等量。采用配对t检验比较不同时间点的IFA滴度。结果:第5天的IFA滴度与常温保存的IFA滴度无显著差异(P =。741, 95% ci [-56.83, 78.65]), 10 (p =。677, 95% CI[-50.01, 75.46]), 5 ~ 10天(P = 0.949, 95% CI[-57.50, 61.14])。与4°C保存第5天相比,无显著差异(P =。964年,95% CI [-81.81, 85.45]), 10 (P = 0.573, 95% CI[-109.4, 62.15]),和5至10天(P =。5, 95% ci[-102.6, 51.67])。室温和4℃保存的样品无统计学差异(P =。688, CI[-55.51, 37.33]),第5天和第10天(P =。[-80.8, 8.07])。结论及临床意义:神经索细胞免疫荧光抗体检测滴度在室温和4℃下可稳定达10天。
{"title":"Effect of refrigeration, room temperature, and processing time on serum immunofluorescent antibody titers for Sarcocystis neurona","authors":"Claudia Valderrama-Martinez,&nbsp;Andrea Packham,&nbsp;Shichen Zheng,&nbsp;Woutrina Smith,&nbsp;Magdalena Plancarte,&nbsp;Monica Aleman","doi":"10.1111/jvim.17282","DOIUrl":"10.1111/jvim.17282","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Evaluating antibody titers for <i>Sarcocystis neurona</i> for the diagnosis of equine protozoal myeloencephalitis from serum samples is a common practice. However, ensuring timely and proper refrigeration is not always possible.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Objectives</h3>\u0000 \u0000 <p>To evaluate immunofluorescent antibody (IFA) titers for <i>S. neurona</i> from serum samples stored at room temperature and 4°C.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Samples</h3>\u0000 \u0000 <p>Twenty-two serum samples.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Prospective longitudinal study. Two serum aliquots of 1 mL each were stored at room temperature (20-23.3°C) and 4°C. The unrefrigerated aliquot was immediately tested for IFA titers. Both aliquots were retested on Days 5 and 10 after collection. A paired <i>t</i> test was used to compare IFA titers at different time points.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>There was no significant difference between IFA titers from baseline with those stored at room temperature at Days 5 (<i>P</i> = .741, 95% CI [−56.83, 78.65]), 10 (<i>P</i> = .677, 95% CI [−50.01, 75.46]), and between 5 and 10 days (<i>P</i> = 0.949, 95% CI [−57.50, 61.14]). There was no significant difference from baseline with those stored at 4°C for Days 5 (<i>P</i> = .964, 95% CI [−81.81, 85.45]), 10 (<i>P</i> = 0.573, 95% CI [−109.4, 62.15]), and between 5 and 10 days (<i>P</i> = .5, 95% CI [−102.6, 51.67]). There was no statistical difference between samples stored at room temperature and 4°C (<i>P</i> = .688, CI [−55.51, 37.33]) on Days 5 and 10 (<i>P</i> = .104, CI [−80.8, 8.07]).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions and Clinical Importance</h3>\u0000 \u0000 <p>Immunofluorescent antibody test titers for <i>S. neurona</i> are stable for up to 10 days at room temperature and 4°C.</p>\u0000 </section>\u0000 </div>","PeriodicalId":49958,"journal":{"name":"Journal of Veterinary Internal Medicine","volume":"39 1","pages":""},"PeriodicalIF":2.1,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11665959/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142882503","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
期刊
Journal of Veterinary Internal Medicine
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