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Fecal microbiota of diarrheic calves: Before, during, and after recovering from disease 腹泻犊牛的粪便微生物群:病前、病中和病后。
IF 2.1 2区 农林科学 Q1 VETERINARY SCIENCES Pub Date : 2024-09-28 DOI: 10.1111/jvim.17201
Emma Jessop, David L. Renaud, Adronie Verbrugghe, Dasiel Obregon, Jenniffer Macnicol, Aoife McMahon, Lynna Li, Lisa Gamsjäger, Diego E. Gomez

Background

It is unknown if gastrointestinal dysbiosis in diarrheic calves causes disease or is a consequence of the disease.

Objectives

Describe the fecal microbiota of calves before, during, and after recovering from diarrhea.

Animals

Fifteen female Holstein calves of 0 to 21 days old from a single farm. Seven calves remained healthy throughout the study, and 8 developed diarrhea on Day 14.

Methods

Longitudinal cohort study. Microbiota composition was characterized by amplifying the V4 region of the 16S rRNA gene.

Results

Diversity (Shannon index) increased with age in healthy and diarrheic calves from Day 3 to 21, but diarrheic calves had a lower diversity on the day diarrhea was first observed (Day 14). By Day 21, diversity increased in calves that recovered from diarrhea and was not significantly different from that of their healthy counterparts (P > .05). Weighted UniFrac distance showed significant differences in the fecal microbiota between diarrheic and healthy calves at Day 14 of age (PERMANOVA, P < .05), but not before or after diarrhea (PERMANOVA, P > .05). Lactobacillus, Clostridium Sensu Stricto 1, and Collinsella were differentially abundant on Day 10 in calves that developed diarrhea on Day 14 (P < .05).

Conclusion and Clinical Importance

The fecal microbiota of healthy and diarrheic calves evolved similarly during the first 10 days of age but differed significantly on the day of onset of diarrhea. Enriching Lactobacillus, Clostridium Sensu Stricto 1, and Collinsella before diarrhea onset could have been contributed to the development of diarrhea.

背景:腹泻犊牛的胃肠道菌群失调是导致疾病的原因还是疾病的后果尚不清楚:描述犊牛在腹泻前、腹泻期间和腹泻恢复后的粪便微生物群:来自一个农场的 15 头 0 到 21 天大的荷斯坦雌性犊牛。方法:纵向队列研究:方法:纵向队列研究。方法:纵向队列研究,通过扩增 16S rRNA 基因的 V4 区域来确定微生物群的组成:结果:从第 3 天到第 21 天,健康犊牛和腹泻犊牛的多样性(香农指数)随着年龄的增长而增加,但腹泻犊牛在首次观察到腹泻当天(第 14 天)的多样性较低。到第 21 天时,腹泻痊愈的犊牛的多样性有所增加,但与健康犊牛相比差异不大(P > .05)。加权 UniFrac 距离显示,腹泻犊牛和健康犊牛的粪便微生物群在第 14 天时存在显著差异(PERMANOVA,P .05)。在第 10 天,乳酸杆菌、严格梭菌 1 和柯林斯菌在第 14 天发生腹泻的犊牛中含量不同(P 结论和临床重要性):健康犊牛和腹泻犊牛的粪便微生物群在犊牛出生后的前 10 天内发生了相似的变化,但在腹泻发生当天却有显著差异。腹泻发病前乳酸杆菌、严格梭菌 1 和柯林斯菌的富集可能是导致腹泻的原因之一。
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引用次数: 0
Observed and expected reliability of echocardiographic volumetric methods and critical change values for quantification of mitral regurgitant fraction in dogs 用于量化狗二尖瓣反流分数的超声心动图容积测量方法和临界变化值的观察可靠性和预期可靠性。
IF 2.1 2区 农林科学 Q1 VETERINARY SCIENCES Pub Date : 2024-09-27 DOI: 10.1111/jvim.17205
Kerry A. Loughran, Marc S. Kraus, Erin J. Achilles, Terry Huh, Éva Larouche-Lebel, Laura K. Massey, Anna R. Gelzer, Mark A. Oyama

Background

Reliability of echocardiographic calculations for stroke volume and mitral regurgitant fraction (RFMR) are affected by observer variability and lack of a gold standard. Variability is used to calculate critical change values (CCVs) that are thresholds representing real change in a measure not associated with observer variability.

Hypothesis

Observed intra- and interobserver accuracy and variability in healthy dogs help model CCV for RFMR.

Animals

Reliability cohort of 34 healthy dogs; allometric scaling cohort of 99 dogs with heart disease and 25 healthy dogs.

Methods

Accuracy, variability, and CCV of 2 observers using geometric and flow-based echocardiography were prospectively compared against a standard of RFMR = 0% and extrapolated across a range of expected RFMR values in the reliability cohort partly derived from cardiac dimensions predicted by the allometric cohort.

Results

Accuracy of methods to determine RFMR in descending order was 4-chamber bullet (Bullet4CH), mitral inflow, cube formula, and Simpson's method of disks. Intraobserver variability was relatively high. The CCV for RFMR ranged from 28% to 88% and was inversely related to RFMR when extrapolated for use in affected dogs. For both observers, the Bullet4CH method had the lowest intraobserver CCV (Operator 1:28%, Operator 2:41%). Interobserver strength of agreement was low with intraclass correlation coefficients ranging from 0.210 to 0.413.

Conclusions and Clinical Importance

Echocardiographic volumetric methods used to calculate stroke volume and RFMR have low accuracy and high variability in healthy dogs. Extrapolation of observed CCV to a range of expected RFMR suggests observers and methods are not interchangeable and variability might hinder routine clinical usage. Individual observers should be aware of their own variability and CCV.

背景:超声心动图计算每搏量和二尖瓣反流分数(RFMR)的可靠性受到观察者变异性和缺乏金标准的影响。变异性被用来计算临界变化值(CCV),临界变化值代表测量值的实际变化,与观察者的变异性无关:假设:在健康狗身上观察到的观察者内部和观察者之间的准确性和变异性有助于建立 RFMR 的临界变化值模型:动物:由 34 只健康狗组成的可靠性队列;由 99 只患有心脏病的狗和 25 只健康狗组成的异速缩放队列:方法:前瞻性地比较了两名观察者使用几何和基于血流的超声心动图的准确性、变异性和CCV,与RFMR = 0% 的标准进行比较,并在可靠性队列的预期RFMR值范围内进行推断,部分推断来自异速队列预测的心脏尺寸:确定 RFMR 的方法的准确性从高到低依次为四腔子弹头法 (Bullet4CH)、二尖瓣流入量法、立方公式法和辛普森磁盘法。观察者内部的变异性相对较高。RFMR 的 CCV 从 28% 到 88% 不等,推断用于患犬时与 RFMR 成反比。对于两名观察者,Bullet4CH 方法的观察者内 CCV 最低(操作员 1:28%,操作员 2:41%)。观察者之间的一致性较低,类内相关系数在 0.210 到 0.413 之间:用于计算搏出量和 RFMR 的超声心动图容积测量方法在健康犬中准确性低,变异性高。将观察到的 CCV 推断到预期的 RFMR 范围表明,观察者和方法不能互换,变异性可能会妨碍常规临床应用。每个观察者都应了解自己的变异性和 CCV。
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引用次数: 0
Longitudinal assessment of systolic anterior motion of the mitral valve in cats with hypertrophic cardiomyopathy 肥厚型心肌病猫二尖瓣收缩前运动的纵向评估。
IF 2.1 2区 农林科学 Q1 VETERINARY SCIENCES Pub Date : 2024-09-26 DOI: 10.1111/jvim.17203
Joonbum Seo, José Novo Matos, John S. Munday, Hayley Hunt, David J. Connolly, Virginia Luis Fuentes

Background

The proportion of cats with hypertrophic cardiomyopathy (HCM) that lose systolic anterior motion of the mitral valve (SAM) in the long term is unknown.

Hypothesis/Objectives

Cats with HCM will lose SAM in the long term. Loss of SAM will be associated with greater age, longer scan-interval, and altered left ventricular (LV) dimensions.

Animals

Sixty unsedated cats with HCM, not receiving beta blockers or pimobendan.

Methods

A retrospective cohort study from 2 referral centers. Cats were eligible if they had been diagnosed with HCM and had a repeat echocardiogram ≥1 year later. Clinical and echocardiographic data of the left heart variables were collected.

Results

Thirty-eight cats had SAM at the initial scan. After a median follow-up time of 2.1 years (range: 1.0-5.9), 7 cats had lost SAM (18%) and 5 cats (23%) gained SAM. On follow-up, cats with SAM at the initial scan had a larger left atrium (P = .037), lower left atrial fractional shortening (P = .014), greater LV internal diameter in end-systole (P = .002), and lower LV fractional shortening (P < .001). Four cats with SAM developed congestive heart failure. There were no new cases of congestive heart failure or change in left heart variables in cats without SAM at the initial scan. The gain or loss of SAM was not associated with age or time between scans.

Conclusions and Clinical Importance

Similar proportions of cats gained or lost SAM. Cats with SAM at baseline had more evidence of disease progression than cats without SAM.

背景:肥厚型心肌病 (HCM) 猫二尖瓣收缩期前移 (SAM) 长期丧失的比例尚不清楚:假设/目标:患有 HCM 的猫会长期丧失二尖瓣收缩前运动。SAM的丧失将与年龄增大、扫描间隔延长和左心室(LV)尺寸改变有关:方法:一项回顾性队列研究:方法:来自 2 个转诊中心的回顾性队列研究。被诊断为 HCM 的猫咪在≥1 年后重复超声心动图检查时均符合条件。收集了左心变量的临床和超声心动图数据:结果:38 只猫在初次扫描时患有 SAM。中位随访时间为 2.1 年(范围:1.0-5.9),7 只猫咪失去了 SAM(18%),5 只猫咪获得了 SAM(23%)。随访发现,初次扫描时患有 SAM 的猫左心房较大(P = .037),左心房分数缩短率较低(P = .014),收缩末期左心室内径较大(P = .002),左心室分数缩短率较低(P 结论和临床重要性:获得或丧失 SAM 的猫的比例相似。基线时有 SAM 的猫比没有 SAM 的猫有更多疾病进展的证据。
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引用次数: 0
Diurnal variation of serum phosphorus concentrations in intact male adult domestic cats 完整雄性成年家猫血清磷浓度的昼夜变化。
IF 2.1 2区 农林科学 Q1 VETERINARY SCIENCES Pub Date : 2024-09-26 DOI: 10.1111/jvim.17202
Chih-Fan Chiang, Raphael Vanderstichel, Jonathan Stockman, Jennifer A. Larsen, Andrea J. Fascetti

Background

Monitoring serum phosphorus concentrations is crucial in the management of chronic kidney disease in cats. The diurnal variation of serum phosphorus concentration may affect clinical assessment.

Hypothesis/Objectives

Characterize the diurnal variation of serum phosphorus concentration in cats and determine the associations between changes in serum phosphorus concentration and several metabolites of phosphorus metabolism.

Animals

Six apparently healthy, intact male, specific-pathogen-free cats were housed in a photoperiod, humidity, and temperature-controlled facility.

Methods

Blood sampling was performed hourly for 24 hours to obtain the serum concentrations of phosphorus, ionized calcium, parathyroid hormone, and calcidiol. Results were analyzed using linear mixed-effect models to determine the significance of diurnal variation and associations between serum phosphorus concentrations and other metabolites over time.

Results

Diurnal variation in serum phosphorus concentration was noted with an apex around 11:00 followed by gradually declining concentrations to reach the nadir around 23:00. The serum phosphorus concentration again increased through the early morning on the next day. An approximately 25% difference in serum phosphorus concentration at the apex and the nadir was documented. A non-linear relationship between the serum concentrations of phosphorus and ionized calcium over time was identified.

Conclusions and Clinical Importance

Diurnal variations of serum phosphorus concentration and associations between the trending of serum phosphorus and ionized calcium concentrations were evident in a group of clinically healthy adult cats housed in a controlled environment. These findings can help in the interpretation of clinical and research data regarding calcium and phosphorus metabolism and kidney health in cats.

背景:监测血清磷浓度是治疗猫慢性肾病的关键。血清磷浓度的昼夜变化可能会影响临床评估:描述猫血清磷浓度的昼夜变化,并确定血清磷浓度变化与磷代谢的几种代谢物之间的关联:方法:在光周期、湿度和温度可控的设施中饲养六只明显健康、完整、无特定病原体的雄性猫:方法:每小时抽血一次,连续 24 小时,以获得血清中的磷、离子钙、甲状旁腺激素和降钙素的浓度。采用线性混合效应模型对结果进行分析,以确定昼夜变化的显著性以及血清磷浓度与其他代谢物之间随时间变化的关联:结果:血清磷浓度的昼夜变化在 11:00 左右达到顶点,随后逐渐下降,在 23:00 左右达到最低点。第二天清晨,血清磷浓度再次上升。记录显示,血清磷浓度的顶点和最低点相差约 25%。结论和临床意义:在受控环境中饲养的一组临床健康成年猫中,血清磷浓度的昼夜变化以及血清磷和离子钙浓度的变化趋势之间存在明显的关联。这些发现有助于解释有关猫的钙磷代谢和肾脏健康的临床和研究数据。
{"title":"Diurnal variation of serum phosphorus concentrations in intact male adult domestic cats","authors":"Chih-Fan Chiang,&nbsp;Raphael Vanderstichel,&nbsp;Jonathan Stockman,&nbsp;Jennifer A. Larsen,&nbsp;Andrea J. Fascetti","doi":"10.1111/jvim.17202","DOIUrl":"10.1111/jvim.17202","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Monitoring serum phosphorus concentrations is crucial in the management of chronic kidney disease in cats. The diurnal variation of serum phosphorus concentration may affect clinical assessment.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Hypothesis/Objectives</h3>\u0000 \u0000 <p>Characterize the diurnal variation of serum phosphorus concentration in cats and determine the associations between changes in serum phosphorus concentration and several metabolites of phosphorus metabolism.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Animals</h3>\u0000 \u0000 <p>Six apparently healthy, intact male, specific-pathogen-free cats were housed in a photoperiod, humidity, and temperature-controlled facility.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Blood sampling was performed hourly for 24 hours to obtain the serum concentrations of phosphorus, ionized calcium, parathyroid hormone, and calcidiol. Results were analyzed using linear mixed-effect models to determine the significance of diurnal variation and associations between serum phosphorus concentrations and other metabolites over time.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Diurnal variation in serum phosphorus concentration was noted with an apex around 11:00 followed by gradually declining concentrations to reach the nadir around 23:00. The serum phosphorus concentration again increased through the early morning on the next day. An approximately 25% difference in serum phosphorus concentration at the apex and the nadir was documented. A non-linear relationship between the serum concentrations of phosphorus and ionized calcium over time was identified.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions and Clinical Importance</h3>\u0000 \u0000 <p>Diurnal variations of serum phosphorus concentration and associations between the trending of serum phosphorus and ionized calcium concentrations were evident in a group of clinically healthy adult cats housed in a controlled environment. These findings can help in the interpretation of clinical and research data regarding calcium and phosphorus metabolism and kidney health in cats.</p>\u0000 </section>\u0000 </div>","PeriodicalId":49958,"journal":{"name":"Journal of Veterinary Internal Medicine","volume":"38 6","pages":"3153-3161"},"PeriodicalIF":2.1,"publicationDate":"2024-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jvim.17202","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142349222","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
Open label clinical trial of orally administered molnupiravir as a first-line treatment for naturally occurring effusive feline infectious peritonitis 将口服莫仑吡韦作为自然流出的猫传染性腹膜炎一线治疗方法的开放标签临床试验。
IF 2.1 2区 农林科学 Q1 VETERINARY SCIENCES Pub Date : 2024-09-26 DOI: 10.1111/jvim.17187
Krystle L. Reagan, Terza Brostoff, Jully Pires, Amy Rose, Diego Castillo, Brian G. Murphy

Background

Before the discovery of effective antiviral drugs, feline infectious peritonitis (FIP) was a uniformly fatal disease of cats. Multiple antiviral treatments have been recognized, but optimization of treatment protocols is needed.

Objective

To evaluate the efficacy of PO molnupiravir (MPV; EIDD-2801) to treat effusive FIP.

Animals

Ten cats with naturally occurring effusive FIP and 10 historical control cats with effusive FIP treated with PO GS-441524.

Methods

A single-center, prospective, open-label longitudinal, non-inferiority trial with historical controls. Ten cats with FIP were enrolled and treated with PO MPV (10-15 mg/kg PO q12h) for 84 days. Cats were evaluated at 0, 6, and 16 weeks, and the proportion of cats in clinical remission at 16 weeks was determined. Survival and clinicopathologic features were compared with historical control cats with effusive FIP treated with PO GS-441524.

Results

Eight of the 10 cats treated with MPV survived and were in remission at 16 weeks. The 2 non-survivors died in the first 24 hours of treatment. No adverse events that necessitated discontinuation of treatment were observed. Survival of cats treated with PO MPV was non-inferior to historic control cats treated with PO GS-441524 (5/9 [55%] survived), with a difference in survival of 25% (90% confidence interval, −9.3% to 59.3%). Clinicopathologic features associated with FIP normalized during the study period, and no differences in clinicopathologic data at each study time point were observed when comparing cats treated with MPV and GS-441524.

Conclusions and Clinical Importance

Molnupiravir is an effective antiviral treatment for effusive FIP.

背景:在发现有效的抗病毒药物之前,猫传染性腹膜炎(FIP)是一种致命的猫病。人们已经认识到多种抗病毒治疗方法,但仍需优化治疗方案:评估 PO molnupiravir(MPV;EIDD-2801)治疗流脓性 FIP 的疗效:动物:10 只患有自然流出性 FIP 的猫和 10 只患有流出性 FIP 并接受 PO GS-441524 治疗的历史对照组猫:方法:单中心、前瞻性、开放标签纵向非劣效性试验,并设历史对照。十只患有 FIP 的猫被纳入试验,接受 PO MPV(10-15 mg/kg PO q12h)治疗 84 天。在 0、6 和 16 周时对猫咪进行评估,并确定 16 周时临床缓解的猫咪比例。将存活率和临床病理特征与使用 PO GS-441524 治疗流脓性 FIP 的历史对照组进行比较:结果:接受 MPV 治疗的 10 只猫中有 8 只存活下来,并在 16 周时病情得到缓解。2只未存活的猫在治疗后24小时内死亡。没有观察到需要停止治疗的不良反应。接受 PO MPV 治疗的猫的存活率不低于接受 PO GS-441524 治疗的历史对照组猫(5/9 [55%] 存活),存活率相差 25%(90% 置信区间,-9.3% 至 59.3%)。在研究期间,与 FIP 相关的临床病理特征趋于正常,在比较使用 MPV 和 GS-441524 治疗的猫时,未观察到各研究时间点的临床病理数据存在差异:结论和临床意义:莫鲁拉韦是治疗流脓型 FIP 的有效抗病毒药物。
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引用次数: 0
2024 ACVIM Forum Research Report Program 2024 年 ACVIM 论坛研究报告计划。
IF 2.1 2区 农林科学 Q1 VETERINARY SCIENCES Pub Date : 2024-09-23 DOI: 10.1111/jvim.17177

The American College of Veterinary Internal Medicine (ACVIM) Forum and the Journal of Veterinary Internal Medicine (JVIM) are not responsible for the content or dosage recommendations in the abstracts. The abstracts are not peer reviewed before publication. The opinions expressed in the abstracts are those of the author(s) and may not represent the views or position of the ACVIM. The authors are solely responsible for the content of the abstracts.

2024 ACVIM Forum

June 5–October 31, 2024

Research Report Program

Index of Abstracts

美国兽医内科学院(ACVIM)论坛和《兽医内科学杂志》(JVIM)不对摘要中的内容或剂量建议负责。摘要在发表前未经同行评审。摘要中表达的观点仅代表作者本人,可能不代表 ACVIM 的观点或立场。2024 年 ACVIM 论坛2024 年 6 月 5 日至 10 月 31 日研究报告计划摘要索引
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引用次数: 0
Macroscopic and histopathological description of gastric lesions in horse, donkey, and mule fetuses in the last trimester of gestation 妊娠最后三个月马、驴和骡胎儿胃部病变的宏观和组织病理学描述。
IF 2.1 2区 农林科学 Q1 VETERINARY SCIENCES Pub Date : 2024-09-23 DOI: 10.1111/jvim.17193
Angie Lorena Medina-Bolívar, Rafael Resende Faleiros, José Ramon Martínez-Aranzales

Background

Limited information is available on gastric diseases in neonatal foals as compared with extensive studies in young, adult, and geriatric horses. Reports on fetuses are scarce.

Objectives

Assess at necropsy stomachs of horse, donkey and mule fetuses in the third trimester of gestation to characterize lesions present during intrauterine life.

Animals

Forty-six fetal stomachs from both sexes (21 horses, 21 donkeys, and 4 mules) in the third trimester of gestation were collected from a processing plant immediately after slaughter.

Methods

Measurements of longitudinal and transverse axes, weight and volume and gastric fluid pH were taken, and glandular and squamous mucosae were inspected. All findings of the gastric mucosa and measurements of the stomachs were presented descriptively. Groups were compared statistically, with significance level set at P < .05 for all evaluations.

Results

All gastric contents had pH >5.8, and mules had larger stomachs and higher weights compared with horses (P < .05). Macroscopic lesions were classified as hyperemic, punctate, and erosive. Histopathologically, lesions were consistent with a chronic inflammatory process.

Conclusions and Clinical Importance

Our study provides evidence of macroscopic and histopathological lesions in the gastric mucosae of equid fetuses in the last trimester of gestation. Relevant information for perinatology and neonatology is provided regarding the prevalence and classification of preulcerous lesions in equids before birth.

背景:与对幼马、成年马和老年马的广泛研究相比,有关新生马驹胃病的资料十分有限。有关胎儿的报告也很少:目标:对妊娠三个月的马、驴和骡胎儿的胃进行尸检评估,以确定胎儿宫内病变的特征:方法:在屠宰后立即从加工厂收集 46 个妊娠三个月的男女胎儿(21 匹马、21 头驴和 4 头骡)的胃:测量纵轴和横轴、重量和体积以及胃液 pH 值,并检查腺体和鳞状粘膜。胃黏膜的所有检查结果和胃的测量值均以描述性方式呈现。对各组进行统计学比较,显著性水平设定为 P 结果:所有胃内容物的 pH 值均大于 5.8,与马相比,骡子的胃更大,体重更高(P 结论和临床意义:我们的研究提供了妊娠最后三个月马科胎儿胃黏膜宏观和组织病理学病变的证据。该研究为围产期医学和新生儿医学提供了有关马科动物出生前溃疡病变的发生率和分类的相关信息。
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引用次数: 0
Seeking simplicity, navigating complexity: How veterinarians select an antimicrobial drug, dose, and duration for companion animals 追求简单,驾驭复杂:兽医如何为伴侣动物选择抗菌药物、剂量和疗程。
IF 2.1 2区 农林科学 Q1 VETERINARY SCIENCES Pub Date : 2024-09-20 DOI: 10.1111/jvim.17197
Ri O. Scarborough, Kirsten E. Bailey, Anna Ellen Sri, Glenn Francis Browning, Laura Y. Hardefeldt

Background

Minimizing harm from antimicrobials requires use of the narrowest spectrum drug, at an effective dose for the minimum effective duration. Many prescribers are not currently following these guidelines. To address suboptimal antimicrobial use, the underlying reasons must be understood.

Objectives

To identify factors influencing choices of antimicrobial drug, dose, and duration for companion animals.

Subjects

Twenty-two veterinarians treating companion animals in Australia. Diversity of participants was deliberately sought.

Methods

Semistructured interviews were conducted online. Two case studies were discussed, and then a range of broader questions was posed. Transcripts were analyzed thematically, using an inductive approach.

Results

Few participants chose guideline-concordant management for the case studies. Prescribing choices were influenced by a complex array of factors associated with the clinical case, pet owner, drug, veterinarian, veterinary colleagues, and external factors. Key factors driving broad-spectrum antimicrobial use included a sense of safety, habit, ease of administering the drug (especially in cats), pharmaceutical marketing, and the self-perpetuating dispensary cycle. Many participants were concerned about antimicrobial resistance, but insufficiently informed about how to minimize this risk. Several participants believed that longer duration of treatment and ensuring patients finish a predetermined course would decrease the risk of antimicrobial resistance and improve clinical outcomes.

Conclusions and Clinical Importance

Veterinarians are engaged with the concept of antimicrobial stewardship, but face numerous practical barriers and require more information. In particular, improved education is needed on enhancing patient safety by minimizing both spectrum of activity and duration of treatment, and dispelling myths about “finishing the course.”

背景:要最大限度地减少抗菌药物的危害,就必须在最短的有效时间内使用有效剂量的最窄谱药物。目前,许多处方者并未遵循这些准则。要解决抗菌药使用不理想的问题,必须了解其根本原因:确定影响伴侣动物抗菌药物、剂量和疗程选择的因素:22名在澳大利亚治疗伴侣动物的兽医。特意寻求参与者的多样性:方法:在线进行半结构化访谈。首先讨论了两个案例研究,然后提出了一系列更广泛的问题。采用归纳法对访谈记录进行专题分析:结果:很少有参与者在案例研究中选择与指南一致的管理方法。处方选择受到临床病例、宠物主人、药物、兽医、兽医同事和外部因素等一系列复杂因素的影响。使用广谱抗菌药物的主要驱动因素包括安全感、习惯、用药方便(尤其是对猫咪)、药品营销以及药房的自我循环。许多与会者对抗菌药的耐药性表示担忧,但对如何最大限度地降低这种风险却缺乏足够的了解。几位与会者认为,延长治疗时间并确保患者完成预定疗程可降低抗菌药耐药性风险并改善临床疗效:结论和临床重要性:兽医们都参与了抗菌药物管理的概念,但面临着许多实际障碍,需要更多的信息。尤其需要加强教育,通过最大限度地减少活动范围和治疗时间来提高患者的安全性,并消除关于 "完成疗程 "的误解。
{"title":"Seeking simplicity, navigating complexity: How veterinarians select an antimicrobial drug, dose, and duration for companion animals","authors":"Ri O. Scarborough,&nbsp;Kirsten E. Bailey,&nbsp;Anna Ellen Sri,&nbsp;Glenn Francis Browning,&nbsp;Laura Y. Hardefeldt","doi":"10.1111/jvim.17197","DOIUrl":"10.1111/jvim.17197","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Minimizing harm from antimicrobials requires use of the narrowest spectrum drug, at an effective dose for the minimum effective duration. Many prescribers are not currently following these guidelines. To address suboptimal antimicrobial use, the underlying reasons must be understood.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Objectives</h3>\u0000 \u0000 <p>To identify factors influencing choices of antimicrobial drug, dose, and duration for companion animals.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Subjects</h3>\u0000 \u0000 <p>Twenty-two veterinarians treating companion animals in Australia. Diversity of participants was deliberately sought.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Semistructured interviews were conducted online. Two case studies were discussed, and then a range of broader questions was posed. Transcripts were analyzed thematically, using an inductive approach.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Few participants chose guideline-concordant management for the case studies. Prescribing choices were influenced by a complex array of factors associated with the clinical case, pet owner, drug, veterinarian, veterinary colleagues, and external factors. Key factors driving broad-spectrum antimicrobial use included a sense of safety, habit, ease of administering the drug (especially in cats), pharmaceutical marketing, and the self-perpetuating dispensary cycle. Many participants were concerned about antimicrobial resistance, but insufficiently informed about how to minimize this risk. Several participants believed that longer duration of treatment and ensuring patients finish a predetermined course would decrease the risk of antimicrobial resistance and improve clinical outcomes.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions and Clinical Importance</h3>\u0000 \u0000 <p>Veterinarians are engaged with the concept of antimicrobial stewardship, but face numerous practical barriers and require more information. In particular, improved education is needed on enhancing patient safety by minimizing both spectrum of activity and duration of treatment, and dispelling myths about “finishing the course.”</p>\u0000 </section>\u0000 </div>","PeriodicalId":49958,"journal":{"name":"Journal of Veterinary Internal Medicine","volume":"38 6","pages":"3215-3234"},"PeriodicalIF":2.1,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jvim.17197","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142290016","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
Value of measuring markers of lipid metabolism in horses during an oral glucose test 在口服葡萄糖测试期间测量马匹脂质代谢指标的价值
IF 2.1 2区 农林科学 Q1 VETERINARY SCIENCES Pub Date : 2024-09-18 DOI: 10.1111/jvim.17199
Claire H. K. Zemek, Kate L. Kemp, François-René Bertin

Background

Characterizing the lipid response to an oral glucose test (OGT) might improve our understanding of Equine Metabolic Syndrome.

Hypothesis/Objectives

To describe the effects of an OGT on lipid metabolism and determine the value of measuring triglyceride and nonesterified fatty acid (NEFA) concentrations in hyperinsulinemic (HI) and insulin-resistant (IR) horses.

Animals

Twenty horses including 7 HI-IR horses, 4 HI-non-IR horses, and 9 non-HI-non-IR horses (control).

Methods

Cross-sectional design. Horses underwent an OGT, with blood samples collected at 0, 60, 90, and 120 minutes. Insulin, glucose, triglyceride, and NEFA concentrations were measured and compared over time and between groups, with P < .05 considered significant.

Results

In all horses, the OGT had a significant effect on triglyceride concentrations (median [interquartile range]: .35 [.30-.50] mmol/L at 0 minute vs .25 [.21-.37] mmol/L at 120 minutes, P = .005) and on NEFA concentrations (.1 [.1-.2] mEq/L at 0 minute vs .05 [.05-.1] mEq/L at 120 minutes, P = .0009). However, horses with HI and IR had higher triglyceride areas under the curve (AUC, 79.46 ± 46.59 vs 33.32 ± 6.75 mmol/L*min, P = .01) as well as NEFA AUC (9.1 ± 2.9 vs 6.0 ± 6.8 mEq/L*min, P = .03) than control horses. No significant difference was detected between control and HI non-IR horses.

Conclusions and Clinical Importance

Determining triglyceride and NEFA concentrations might help assess tissue insulin resistance during an OGT.

背景描述口服葡萄糖试验(OGT)对脂质代谢的影响,并确定测量高胰岛素血症(HI)和胰岛素抵抗(IR)马体内甘油三酯和非酯化脂肪酸(NEFA)浓度的价值。动物20匹马,包括7匹HI-IR马、4匹HI-非IR马和9匹非HI-非IR马(对照组)。马匹接受 OGT,分别在 0、60、90 和 120 分钟采集血样。测量胰岛素、葡萄糖、甘油三酯和 NEFA 的浓度,并在不同时间和不同组间进行比较,以 P < .05 为显著性。结果在所有马匹中,OGT 对甘油三酯浓度有显著影响(中位数 [四分位间范围]:...[.....])。0 分钟时为 35 [.30-.50] mmol/L vs 120 分钟时为 .25 [.21-.37] mmol/L,P = .005)和 NEFA 浓度(0 分钟时为 0.1 [.1-.2] mEq/L vs 120 分钟时为 0.05 [.05-.1] mEq/L,P = .0009)。然而,HI 和 IR 马匹的甘油三酯曲线下面积(AUC,79.46 ± 46.59 vs 33.32 ± 6.75 mmol/L*min,P = .01)和 NEFA AUC(9.1 ± 2.9 vs 6.0 ± 6.8 mEq/L*min,P = .03)均高于对照组马匹。结论和临床意义确定甘油三酯和 NEFA 的浓度可能有助于评估 OGT 期间的组织胰岛素抵抗。
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引用次数: 0
Evaluation of the efficacy of a live Escherichia coli biotherapeutic product (asymptomatic bacteriuria E. coli 212) 活大肠杆菌生物治疗产品(无症状菌尿大肠杆菌 212)的疗效评估
IF 2.1 2区 农林科学 Q1 VETERINARY SCIENCES Pub Date : 2024-09-16 DOI: 10.1111/jvim.17167
Gilad Segev, Hilla Chen, Jonathan D. Dear, Beatriz Martínez López, Jully Pires, David J. Klumpp, Anthony J. Schaeffer, Jodi L. Westropp

Background

Recurrent bacterial cystitis, often referred to as recurrent urinary tract infection (UTI), can be difficult to manage and alternative treatments are needed.

Hypothesis/Objective

Intravesicular administration of asymptomatic bacteriuria (ASB) E. coli 212 will not be inferior to antimicrobial treatment for the management of recurrent UTI in dogs.

Animals

Thirty-four dogs with >1 UTI in the 12 months before presentation.

Methods

All dogs were deemed normal otherwise based on absence of abnormalities on physical examination, CBC, serum biochemical panel, and abdominal ultrasonography. Dogs were randomized to 1 of 2 treatment groups: Group 1 antimicrobials for 7 days or group 2 intravesicular administration of ASB E. coli 212. Owners were provided a voiding questionnaire regarding their dogs' clinical signs, which was completed daily for 14 days to assess clinical cure. Dogs were examined on days 7 and 14 to assess clinical cure, and urine specimens were submitted for urinalysis and bacterial culture.

Results

Clinical cure rates for ASB E. coli 212–treated dogs were not inferior to 7 days of antimicrobial treatment with a 12% margin of difference to determine non-inferiority. No significant difference was found between the treatment groups on days 7 and 14 in the proportion of dogs achieving ≥50% or ≥75% reduction in their clinical score compared with baseline.

Conclusions and Clinical Importance

These data suggest that intravesicular administration of ASB E. coli 212 is not inferior to antimicrobials for the treatment of recurrent UTI in dogs. This biotherapeutic agent could help alleviate the need for antimicrobials for some dogs with recurrent UTI, improving antimicrobial stewardship.

背景复发性细菌性膀胱炎通常被称为复发性尿路感染(UTI),很难处理,需要替代疗法。方法根据体格检查、全血细胞计数、血清生化检查和腹部超声波检查无异常,认定所有狗的其他方面均正常。狗狗被随机分为两个治疗组:第 1 组使用抗菌药 7 天,第 2 组膀胱内注射 ASB 大肠杆菌 212。狗的主人会收到一份关于狗的临床症状的排尿问卷,每天填写,持续 14 天,以评估临床治愈情况。第 7 天和第 14 天对狗进行检查以评估临床治愈率,并将尿液标本送去进行尿液分析和细菌培养。结果经 ASB 大肠杆菌 212 治疗的狗的临床治愈率不低于 7 天的抗菌药治疗,差异幅度为 12% 以确定非劣效性。在第 7 天和第 14 天,与基线相比临床评分降低≥50% 或≥75% 的狗的比例在治疗组之间没有发现明显差异。这种生物治疗剂有助于减轻一些复发性 UTI 狗对抗菌药的需求,从而提高抗菌药管理水平。
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引用次数: 0
期刊
Journal of Veterinary Internal Medicine
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