The prevalence of cardiac dysrhthmias in Khozestan-Arab horses.
Abstract: An observational field study was performed on a well-know purebred horses in Iran (Khozestan-Arab horse). The study was conducted on 105 apparently healthy horses. To find the prevalence of cardiac dysrhythmias in different sexes and ages, the horses were divided into 2 sexes (63 females and 42 males) and three age groups (0-4, 4-8, > 8 years old). After taking the history and performing clinical examination, ECG was obtained on a base apex lead system with the paper speed of 25 mm sec(-1) and sensitivity of 10 or 5 mm mv(-1) at rest. The electrocardiograms were evaluated according to the criteria of normal cardiac rate and rhythm. Analysis variance, tuckey test, independent samples t-test and chi-square were used for Statistical analysis. The results showed that, 36.2% of the horses were affected with some types of dysrhythmias. The most frequent dysrhythmias were sinus tachycardia, sinus arrhythmia and heart blocks respectively. After exercise, many cardiac dysrhythmias were disappeared (physiologic dysrhythmias). Although the prevalence of cardiac dysrhythmias in mares and 4 to 8 years old horses were more than stallions and other age groups, respectively, but the differences were not significant (p > 0.05). There were significant differences between the heart rate of 2 sexes and one age group (less than 1.5 years old) with other groups (p < 0.05).
Publication Date: 2007-10-01 PubMed ID: 19090164DOI: 10.3923/pjbs.2007.3430.3434Google Scholar: Lookup
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- Journal Article
Summary
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This research paper presents an investigation into the extent of heart rhythm problems in Khozestan-Arab horses, a popular breed in Iran. The analysis included 105 healthy horses, segregated by sex and age, with results showing almost a fourth of the horses suffered from some form of cardiac dysrhythmia.
Background
- The research was based on an observational field study focusing on a specific breed of horses in Iran called the Khozestan-Arab horse.
- The goal was to determine the prevalence of cardiac dysrhythmias, or irregularities in the horse’s heart rhythm.
Methodology
- The study included 105 Khozestan-Arab horses that appeared to be in good health.
- The horses were divided based on two factors: sex (63 females and 42 males) and age (divided into three groups: 0-4, 4-8, and over 8).
- Each horse underwent a clinical examination and then an electrocardiogram (ECG) test using a base apex lead system.
- The ECG results were evaluated for normal cardiac rate and rhythm using specific criteria. Subsequently, statistical analysis was carried out using variance analysis, Tukey test, independent samples t-test, and a chi-square test.
Results
- The researchers found that 36.2% of the horses had some form of dysrhythmia, which included sinus tachycardia, sinus arrhythmia, and heart blocks.
- A substantial number of these dysrhythmias disappeared after the horses had exercised, indicating the presence of physiological dysrhythmias.
- While the prevalence of cardiac dysrhythmias was found to be higher in mares and horses aged 4 to 8 years than in stallions and other age groups, the differences were not statistically significant.
- Significant differences were observed in the heart rates between the two sexes and one age group (less than 1.5 years old) compared to other groups.
Conclusion
- In essence, the study uncovered a significant prevalence of cardiac dysrhythmias amongst the Khozestan-Arab horses, particularly sinus tachycardia, sinus arrhythmia, and heart blocks.
- These findings could prove crucial for veterinary cardiologists and horse owners in understanding and managing cardiac health in this breed.
Cite This Article
APA
Razavizadeh AT, Mashhadi AG, Paphan AA.
(2007).
The prevalence of cardiac dysrhthmias in Khozestan-Arab horses.
Pak J Biol Sci, 10(19), 3430-3434.
https://doi.org/10.3923/pjbs.2007.3430.3434 Publication
Researcher Affiliations
- Department of Clinical Science, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Azadi Square, Mashhad, Iran.
MeSH Terms
- Animals
- Arrhythmias, Cardiac / epidemiology
- Arrhythmias, Cardiac / veterinary
- Electrocardiography
- Female
- Horse Diseases / epidemiology
- Horses
- Iran
- Male
- Prevalence
Citations
This article has been cited 1 times.- Kenchaiwong W, Sangpo P, Kusol A, Pontaema T, Lerdweeraphon W. The position of ground electrode affects electrocardiographic parameters in horses. Vet World 2022 Apr;15(4):1107-1112.
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