<scp>P</scp> ost Exercise Cardiac Troponin <scp>I</scp> Release and Clearance in Normal Standardbred Racehorses
Notice bibliographique
Résumé
Reasons for performing study There are currently no studies detailing cardiac troponin I (cTnI) release and clearance in normal horses post exercise using an analytically validated assay. These data are essential for selecting appropriate sampling times in equine athletes with suspected myocardial damage. Objective To plot the magnitude and time course of cTnI release and clearance, using a validated cTnI assay, after maximal effort. Study design Descriptive longitudinal study. Methods Five clinically normal Standardbred racehorses in full race training were included in the study. Physical examinations were performed on subjects and blood samples were taken via jugular venipuncture pre‐exercise. Horses were exercised in harness at race intensity in groups on a training track. A second blood sample was taken immediately post exercise and an intravenous catheter was then placed in a jugular vein. Hourly blood samples were taken for 24 h. All samples were collected in red top serum Vacutainer® tubes and allowed to clot for 30 min before being centrifuged and serum harvested. Serum samples were stored at −80° C until analysis. All samples were analysed using the Abbott ARCHITECT STAT High Sensitivity cTnI® assay. Results Mean resting cTnI level was 1.33 ± 0.6 ng/l (range, 0.82–2.33 ng/l). All horses exhibited an increase in cTnI level after exercise with peak elevation occurring 2–6 h post exercise (mean, 4.6 ± 1.7 h). Mean peak increase in cTnI level was 11.96 ± 9.41 ng/l (range, 1.72–23.76 ng/l). All horses returned to baseline levels within 24 h. Conclusions All horses experienced an increase in cTnI post exercise, with the peak occurring 2–6 h post exercise. Further studies are needed to determine the significance of these increases. Ethical animal research: The study protocol was approved by the University's Animal Care Committee. Explicit informed consent was obtained in writing for all client‐owned animals. Source of funding: Equine Guelph. Competing interests: Dr Kavsak has received grants/honoraria/consultant/advisor fees from Abbott Laboratories, Abbott Point of Care, Beckman Coulter, Ortho Clinical Diagnostics, Randox Laboratories, Roche Diagnostics, and the Canadian Agency for Drugs and Technologies in Health. He is listed as an inventor on patents filed by McMaster University related to laboratory testing in acute cardiac care. No funding was received from the manufacturer of the assay evaluated in this study.
Récupéré en direct depuis OpenAlex et désinversé. Les résumés ne sont pas conservés dans cette base de données : les index inversés représentent 8,6 Go des 9,3 Go de texte de la base, et le serveur dispose de 13 Go libres.
Comment cette classification a été obtenuedéplier
Prédiction distillée sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,004 | 0,007 |
| Méta-épidémiologie (sens strict) | 0,001 | 0,001 |
| Méta-épidémiologie (sens large) | 0,001 | 0,000 |
| Bibliométrie | 0,001 | 0,001 |
| Études des sciences et des technologies | 0,000 | 0,001 |
| Communication savante | 0,001 | 0,002 |
| Science ouverte | 0,001 | 0,001 |
| Intégrité de la recherche | 0,000 | 0,003 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,000 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule tête enseignante, pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».