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Journal of veterinary emergency and critical care
Publisher:
Veterinary Emergency & Critical Care Society,. Malden, MA : Blackwell (2005)
Frequency: Quarterly
Country: United States
Language: English
Author(s):
Veterinary Emergency & Critical Care Society., American College of Veterinary Emergency and Critical Care.
Start Year:2001 -
ISSN:
1479-3261 (Print)
1476-4431 (Electronic)
1476-4431 (Linking)
1476-4431 (Electronic)
1476-4431 (Linking)
Impact Factor
2.6
2023
| NLM ID: | 1011528048708660 |
| (OCoLC): | 47104087 |
| LCCN: | 2001220140 |
| Classification: | W1 JO97NT |
Echocardiographic characteristics and evidence of ventricular remodeling in subclinical insulin-dysregulated Warmblood horses. In humans, systemic hypertension and left ventricular (LV) hypertrophy are common sequelae of metabolic syndrome and pre-diabetes warranting investigation in horses with insulin dysregulation (ID). Objective: To compare echocardiographic variables, non-invasive blood pressure (NIBP), and adipokines between Warmblood (WB) horses with and without ID. Methods: Nineteen client-owned WB horses, 5-15 years of age, presenting for elective procedures were included. Horses had no history of metabolic disease, ID, laminitis, renal or cardiac disease. Methods: Blinded cross-sectional study. Horses were ...
Renal dysplasia in horses: 25 cases (1991-2021). Renal dysplasia (RD) is a congenital malformation with variable clinical expression and limited characterization in horses. Objective: We hypothesized that RD occurs in horses across a broad age range and may be overrepresented in specific breeds. Our objective was to describe clinical, clinicopathologic, and histopathologic findings in horses with RD. Methods: Twenty-five horses with RD identified from a veterinary teaching hospital between 1991 and 2021. Horses included neonates, young horses, and adults, with ages ranging from 0 days to 24 years and representing multiple breeds and both s...
Quantitative assessment of specific bacterial taxa of the intestinal microbiota of healthy and diarrheic horses. Alterations in intestinal microbiota composition, as determined by DNA sequencing, are reported in horses with acute colitis compared with healthy horses. Objective: Changes in specific bacterial populations can detect overall intestinal disruption of the normal intestinal microbiota. Identify bacterial taxa that indicate intestinal dysbiosis or health in horses using quantitative PCR (qPCR). Methods: Thirty horses with undifferentiated colitis, 13 with colitis associated with Salmonella spp., 14 with antibiotic-associated diarrhea (AAD), 52 healthy horses from Canada and 48 from the United St...
The effect of ertugliflozin on serum insulin and glucose in healthy horses receiving dexamethasone. Sodium-glucose cotransporter 2 inhibitors (SGLT-2i) can be used to manage insulin dysregulation (ID). Their effect on corticosteroid-induced ID is unknown. Objective: Evaluate effects of ertugliflozin on serum insulin and glucose concentrations in horses receiving dexamethasone (DEX). We hypothesized that DEX would induce ID and ertugliflozin coadministration would mitigate that effect. Methods: Seven healthy horses. Methods: Randomized crossover design; horses received DEX (0.06 mg/kg IV q48h; DEX)or ertugliflozin (0.05 mg/kg PO q24h) plus DEX (SGLT-2i group) for seven days. Oral sugar (OST...
Thymidine kinase 1 activity in serum and body cavity fluids of horses with lymphoma. The accuracy of serum thymidine kinase 1 (TK1S) as a biomarker of lymphoma in horses is variable. The value of measurement in body cavity fluid (TK1F) has not been established. Objective: (1) TK1F and TK1S will be higher in horses with lymphoma compared to diseased controls (DCs); (2) TK1F will be higher than TK1S; and (3) there will be a strong correlation between both measurements. Methods: Twenty animals in the lymphoma and 31 animals with nonneoplastic, gastrointestinal/respiratory disorders in DC group. Methods: This was a cross-sectional study using prospectively collected data and sampl...
Association of submaximal exercise test variables with diagnosis of asthma in a mixed-breed cohort of leisure horses. Submaximal exercise tests (SET) are used to assess respiratory health in various contexts. The diagnostic value of SETs for the assessment of asthma in the field remains uncertain. Objective: A SET helps distinguish healthy horses and asthma phenotypes. Methods: Twenty-six privately owned mixed-breed leisure horses of a clinical cohort. Horses were healthy (8) or diagnosed with mild (miEA) (4), moderate (modEA) (7), or severe asthma (sEA) (7) according to history, clinical examination, and bronchoalveolar lavage fluid (BALF) cytology. Methods: Cross-sectional study using clinical data and samp...
Biomarkers of brain injury in foals with neonatal maladjustment syndrome. Plasma concentrations of brain-derived neurotrophic factor (BDNF), glial-fibrillary-acidic protein (GFAP), and astrocytic protein S100B, might be linked to the pathophysiology of Neonatal Maladjustment Syndrome (NMS). Objective: To measure serum concentration of BDNF and S100B, plasma concentration of GFAP, and neurosteroids (progesterone and 17α-hydroxyprogesterone) in foals with NMS, foals presented for other diseases, including premature, and healthy foals, and determine their association with outcome. Methods: Fourteen healthy foals, 19 NMS foals, 39 foals hospitalized for other diseases ...
Myocardial dysfunction associated with low-dose endotoxin administration in adult horses. Horses with endotoxemia have variable myocardial function, but little is known about the severity or persistence of myocardial dysfunction (MD). Objective: Horses with experimentally induced endotoxemia have systolic and diastolic MD. Methods: Twelve systemically healthy horses. Methods: Horses were given Escherichia coli lipopolysaccharide 30 ng/kg over 60 min. Echocardiography and cardiac troponin I (cTnI) measurements were performed at baseline, 1, 3, and 5 h post-endotoxin. Fluid therapy (10 L), polymyxin B (6000 IU/kg), and flunixin meglumine (1.1 mg/kg) were administered intravenou...
Use of clinical findings to distinguish between intestinal lymphoma or inflammatory bowel disease in horses. Identifying clinical findings that are distinct between inflammatory bowel disease (IBD) and intestinal lymphoma could be helpful for providing preliminary guidance for clients regarding their horse's prognosis while awaiting histopathologic results. Objective: To describe and compare the clinical findings of horses with a final histopathologic diagnosis of IBD vs intestinal lymphoma. Methods: Forty-six adult (≥1-year-old) horses with a final histopathologic diagnosis of IBD or intestinal lymphoma on endoscopic duodenal biopsy, surgical biopsy, or necropsy. Methods: Retrospective single-cent...
Randomized study of the effects of testosterone administration on severity of asthma in horses. Low testosterone concentrations are associated with poor lung function in human asthmatics, and androgen administration improves airway obstruction in women with asthma. Objective: Testosterone improves clinical scores, lung function, airway neutrophilia, and airway remodeling in horses with severe asthma. Methods: Ten horses affected by severe asthma from a research herd. Methods: In a randomized, blinded, crossover study, horses received dexamethasone (0.06 mg/kg PO q24h for 10 days) or a single intramuscular injection of testosterone cypionate (0.35 mg/kg), with a 2-week washout period. ...
Diagnostic utility of trigeminocervical reflex and quantitative sensory testing in horses with trigeminal-mediated headshaking. Assessment of trigeminal nerve (TN) function in horses with trigeminal-mediated headshaking (TMHS) using trigeminocervical reflex (TCR) and quantitative sensory testing (QST) has not been investigated. Objective: Horses with TMHS show lower TCR and QST thresholds than controls. A subset shows left-to-right differences. Methods: Privately owned horses with TMHS (n = 12) and secondary headshaking (sHS; n = 4), from a referral hospital. Headshaking-free controls (n = 14), from the hospital's teaching herd or privately owned. Methods: Prospective case-control-study. In unsedated horses, TCR ...
Seizures and blindness onset zone in 7 horses undergoing radiographic myelography in lateral recumbency under inhalation anesthesia. Seizures and blindness are potential complications associated with myelography. Objective: Describe, classify, and determine onset zone of seizures and blindness in horses undergoing radiographic myelography in lateral recumbency. Methods: Seven young adult horses. Methods: Retrospective study. Horses with seizures or blindness associated with myelography were included. Results: Three horses with general proprioceptive ataxia and 4 neurologically normal horses (Warmblood = 4, Thoroughbred = 3), ages 9 (range, 3-16) years old. Iohexol (300 mg I/mL) from 50 to 60 mL (0.09-0.1 mL/kg) were ...
Association between cytology and endoscopy of guttural pouches: a prospective study on 173 horses. Guttural pouch (GP) disorders are clinically important in horses, yet the relationship between endoscopic findings and GP cytology remains poorly defined. Objective: To establish reference cytological values for GP lavage fluid in horses and to investigate associations between inflammatory cytology and endoscopic findings. Methods: Asymptomatic racing horses sampled in the field and horses referred for investigation of respiratory disorders. Methods: Prospective cross-sectional study. Horses underwent clinical examination, upper airway endoscopy, and bilateral transendoscopic GP lavage. A GP i...
High molecular weight adiponectin as an adjunct biomarker for insulin dysregulation in equids. Total adiponectin concentration is associated with hyperinsulinemia and laminitis risk in ponies but the high molecular weight (HMW) multimer is a more sensitive indicator of metabolic disease in other species and could be a useful biomarker for insulin dysregulation (ID). Objective: To determine a cut-off value for using HMW adiponectin as an adjunct diagnostic tool for ID. Methods: Cohort of 127 privately and university-owned horses and ponies of various breeds with 55 classified as ID positive and 72 as ID negative. Methods: Cohort study. Baseline and postprandial blood samples from an in-f...
Hormonal, clinical, and survival outcomes in horses and ponies diagnosed with pituitary pars intermedia dysfunction in primary care practice. Variables associated with hormonal, clinical, and survival outcomes of equids with pituitary pars intermedia dysfunction (PPID) are incompletely investigated. Objective: Evaluate the effect of initial hormone concentrations, clinical signs, treatment, and owner-related variables on outcomes in horses and ponies with PPID. Methods: Medical records from 213 horses and ponies diagnosed with PPID by 2 university-based primary care practices. Methods: Analytical observational cohort study. Variables associated with adrenocorticotropic hormone normalization, clinical improvement, and survival after ...
Preliminary evaluation of beta-endorphin alone and in combination with adrenocorticotropic hormone for the diagnosis of pituitary pars intermedia dysfunction in equids. Limited published data exist regarding the diagnostic utility of beta-endorphin (β-END) for pituitary pars intermedia dysfunction (PPID), either compared with or in combination with adrenocorticotropic hormone (ACTH). Objective: To evaluate β-END as a potential diagnostic test for PPID in comparison with ACTH and to explore the diagnostic performance of combined tests. Methods: Ninety-eight equids aged 19-32 years, owned by the foundation "Stiftung für das Pferd," were included. Methods: A cross-sectional study was conducted in January 2025. Haircoat abnormalities were scored as absent, mi...
Use of extracorporeal hemoperfusion in a 2-day-old foal with neonatal sepsis. A 2-day-old Miniature Horse filly presented with severe clinical and clinicopathologic findings consistent with neonatal sepsis, failure of transfer of passive immunity, and aspiration pneumonia. The filly initially was treated with broad spectrum antimicrobials, hemodynamic support, and hyperimmune plasma. Because of a lack of improvement within the first 24 h, extracorporeal blood purification and cytokine removal were implemented. The foal underwent hemoperfusion (HP) using a polymer-based device (VetResQ). Reported notable changes during and after treatment included improved physical exam...
Evaluation of sequential serum amyloid A measurements for the prediction of sepsis and survival in critically ill neonatal foals. Single measurements of serum amyloid A (SAA) concentration at hospital admission has limited sensitivity for predicting sepsis and death. Objective: To determine whether differences in SAA during the first 2 days of hospitalization could predict sepsis and death in critically ill foals. Methods: One hundred twenty-seven critically ill neonatal foals, <14 days of age. Methods: Prospective cohort study. SAA was measured at hospital admission and on day 2 of hospitalization using a validated point-of-care test. Logistic regression was conducted to evaluate the predictive value of individual S...
Central nervous system lymphoma and neurolymphomatosis in equids. Lymphoma affecting the central and peripheral nervous systems in equids is rarely reported. Objective: To describe the clinical presentation, neuroanatomical localization, laboratory and pathologic features, type of lymphoma, and outcome to further current knowledge. Methods: Fourteen equids (13 horses, 1 mule). Methods: Retrospective study. Medical records from a veterinary teaching hospital were reviewed (1993-2025). The inclusion criteria consisted of a definitive diagnosis of lymphoma of the nervous system. Data collected included signalment, neurologic findings, laboratory results, imagin...
Vasopressin stimulation testing in hospitalized foals. Hypothalamic-pituitary-adrenal gland axis (HPAA) dysfunction impairs survival and can be diagnosed with an arginine vasopressin (AVP) stimulation test. Objective: Adrenocorticotropic hormone (ACTH) and cortisol response to an AVP stimulation test will be attenuated in hospitalized foals compared to healthy foals and associated with severity of disease. Methods: Fifteen healthy and 45 hospitalized foals: 19 septic, 26 sick non-septic (SNS). Methods: A prospective, observational case-control design was utilized to assess HPAA function and compare corticotropin-releasing hormone, ACTH, and cortis...
Clinical and microbiota alterations in performance horses undergoing long-distance transport. Transport-associated pneumonia contributes substantially to morbidity, impaired welfare, and economic loss in high-performance horses and may be associated with alterations in the respiratory microbiota. Objective: Examine the effect of long-distance transport on the respiratory microbiota and correlate changes in microbiota diversity and composition with systemic and airway inflammation. Methods: Seventeen client-owned performance horses transported from New England to Florida under optimized trailering conditions, and 12 non-traveling horses. Methods: Physical examination, blood testing, nas...
Influence of collection site on cerebrospinal fluid test results in horses with equine protozoal myeloencephalitis. Cerebrospinal fluid (CSF) analysis is a critical component in the diagnosis of equine protozoal myeloencephalitis (EPM). Test results obtained may differ based on different collection sites. Objective: Compare results of EPM-specific diagnostic tests obtained from different collections sites in EPM-affected and non-EPM affected horses. Methods: Twenty control and 7 EPM-affected horses. Methods: Prospective observational study. CSF was collected from the lumbosacral (LS) and cranial sites (atlantooccipital or C1-2) in 27 horses and EPM-specific diagnostic tests were performed. Data were summari...
Validation of an improved insect bite hypersensitivity severity score for allergic equine insect bite hypersensitivity in horses. Insect bite hypersensitivity (IBH) is the most common allergic skin disease in horses, but existing clinical scoring systems lack extensive validation, limiting standardized disease monitoring and therapeutic evaluation. Objective: Develop and validate a standardized, sensitive, and reproducible clinical scoring system for IBH in horses. Methods: Forty-four privately-owned horses with clinically diagnosed IBH examined under field conditions in Switzerland. Methods: In this prospective field validation study, the equine IBH severity score (EqIS) integrates a lesion severity score and an area sc...
Testicular seminoma: clinical, imaging, and histologic features in nine horses. Testicular seminomas in horses are infrequently reported in the veterinary literature and long-term survival and metastatic potential are not well documented. Objective: Describe the clinical, imaging, and histologic features in 9 horses with testicular seminoma. Methods: Medical records of 9 horses diagnosed with testicular seminoma at a referral hospital between 2000 and 2024 were reviewed. Methods: Horses were included if seminoma was confirmed on histopathology from biopsy or necropsy. Information retrieved included signalment, history, clinical pathology, ultrasonographic findings, treatm...
Efficacy and safety of canagliflozin in insulin dysregulated horses: a 4-week multi-arm, double-blind, randomized, clinical trial. Sodium-glucose cotransporter-2 (SGLT2) inhibitors are promising drugs for treatment of hyperinsulinemia in insulin-dysregulated (ID) horses. Objective: Compare short-term effects of the SGLT2 inhibitor canagliflozin versus placebo on glucose and insulin responses during an oral sugar test (OST) and a forage-based feed challenge test (FCT), and to assess adverse effects. Methods: Forty-two privately owned severely ID horses. Methods: Multi-center, randomized, double-blind, placebo-controlled, parallel-group study. Horses were allocated (1:1:1) to receive canagliflozin (0.6 or 1.2 mg/kg PO q24h...
The effects of upper airway obstruction on oxygen consumption and ventilatory variables in Colombian criollo horses. While conditions associated with upper airway obstruction (UAO) are reported in Colombian Criollo horses, their effect on ventilation and performance is unknown. Objective: To investigate how oxygen consumption ($dot{rm V}$O2), ventilation,, and exercise-induced pulmonary hemorrhage (EIPH) are affected by UAO in horses performing at natural gaits. Methods: Twenty-three client-owned Colombian Criollo horses. Methods: A cross-sectional observational study assigned horses to a control (C), or UAO group after overground endoscopy. All horses performed a standardized submaximal exercise test while ...
Retrospective study of blood culture isolates, antimicrobial sensitivity, and survival factors from 243 neonatal foals in Normandy (France). Identifying causative bacterial species in neonatal foal bacteremia and their antimicrobial susceptibility profiles is essential for guiding appropriate antibiotic therapy. Objective: To describe bacterial isolates from blood culture and their antimicrobial susceptibility patterns in neonatal foals from two French institutes, and to assess associations between pretreatment and blood culture positivity, and between in-hospital death (euthanasia or natural death) and the presence of multidrug-resistant (MDR) bacteria. Methods: Two hundred forty-three foals (<7 days old) admitted to two equin...
Evaluation of oxidative stress in ill neonatal foals: a preliminary study. Oxidative stress both contributes to and results from sepsis pathophysiology, but its role in ill foals remains poorly characterized. Objective: Ill foals will exhibit decreased antioxidant defense activity and increased oxidative products compared with healthy foals, and these changes will be associated with higher sepsis scores, lower survival scores, and non-survival. Methods: Twenty-six foals < 14 days old: 16 hospitalized foals (11 sick non-septic, 5 septic; median age, 1.5 days; range 1-13) and 10 healthy Standardbred foals (2 days old). Nine of 16 ill foals survived to discharge...
Paroxysmal atrial fibrillation-like bursts in racehorses: do they affect speed and performance? A case control study. Paroxysmal atrial fibrillation (pAF) occurs sporadically in horses and has been implicated in poor performance. Diagnosis in large numbers of horses has previously relied on post-exercise ECGs. Objective: Describe pAF-like bursts detected during exercise and determine their effect on speed, stride, and racing performance. Methods: Retrospective case control study, evaluating records of exercising ECG consultations referred to a specialist practice to identify horses with pAF-like bursts. Controls were selected from the same population as racehorses with normal exercising ECGs. Results: Eleven ...
Eastern equine encephalitis-104 horses (1979-2017). Eastern equine encephalitis (EEE) is a highly fatal neurologic disease of horses, but data describing clinical presentation, epidemiology, and prognostic factors are limited. Objective: Describe the clinicopathologic and epidemiologic features of horses with EEE and identify factors associated with survival. Methods: One hundred four horses diagnosed with EEE presented with signs of diffuse brain disease. Methods: Retrospective case series of horses evaluated at a Veterinary Teaching Hospital (1979-2017). Medical records were reviewed for clinical findings, diagnostic results, and outcomes. Lo...
