Interpretación de los hallazgos electrocardiográficos, ecocardiográficos y bioquímicos durante las diferentes etapas de la leishmaniasis visceral canina

Canine visceral leishmaniasis is a protozoan disease affecting most vital organs and also causing myocardial and/or renal damage. P-wave dispersion, a newly used non-invasive ECG indicator, is used to follow atrial arrhythmias, atrial fibrillation, valvular disease in both human and veterinary medicine. The purpose of this study involving Canine Visceral Leishmaniasis (CVL)-infected dogs in stage III and IV was to verify whether the P-wave dispersion was related to the renal failure. For this purpose, a total of 17 dogs of different ages, both sexes, comprising eleven animals with CVL (at stage III and IV) diagnosed using a rapid ELISA (enzyme-linked immunosorbent assay) test and serological IFAT (immunofluorescence.antibody titres) and six healthy dogs used as controls were enrolled. Significant differences between the P-wave dispersion (regarding the mean values) of the control, stage III and IV-infected groups (P = 0.003) were detected as follows: 21.8 ± 0.5, 20.6 ± 1.2 and 25.0 ± 0.4 ms, respectively. The P-wave dispersion value was moderately longer in the stage IV-infected group compared with the control one (P = 0.022), however, the aforementioned relationship was determined as significant between the stage IV and III-infected groups (P = 0.003). Regarding all of the biomarkers of the renal function monitored within this study, there were differences between the control and stage IV-infected group for the creatinine (P = 0.002), the control and stage IV-infected group for the urine protein/creatinine ratio (P < 0.001), and the stage III and stage IV-infected groups for the urine protein/creatinine ratio (P < 0.001). In conclusion, an increased P-wave dispersion was not associated with renal failure. It might be related to the limitation of our study including small sample sizes in the groups. Therefore, the cardiac indicators were not analysed. For more accurate results, it is desirable to perform further studies including a larger sample size along with an investigation of the cardiac and renal indicators.

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Arginine, Symmetric and Asymmetric Dimethylarginine Levels in Canine Leishmaniasis

Gultekin

Paşa

Ural

et al. 2023

Preprint

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The study aimed to investigate the levels of arginine, symmetric dimethylarginine (SDMA), and asymmetric dimethylarginine (ADMA) in dogs with canine leishmaniasis (CanL) and their relationship with some renal and cardiovascular parameters. A total of 60 dogs were enrolled, including 40 with CanL and 20 healthy controls. The CanL group was divided into four stages based on clinical and laboratory findings. The levels of plasma arginine, SDMA, and ADMA were determined by high performance liquid chromatography (HPLC). The data from the healthy group were compared with those from the CanL group, and according to the stages. In dogs with CanL, systolic and diastolic blood pressure, plasma creatinine, cystatin-C, phosphorus, potassium, and low-density lipoprotein concentrations, the urine protein/creatinine ratio, the amount of nitric oxide, and creatine kinase-MB activity were higher, while the high-density lipoprotein concentration was lower compared to healthy controls. The concentration of arginine was low (p < 0.05) and the levels of ADMA (p < 0.001) and SDMA (p < 0.05) were high in dogs with CanL. There were no statistically significant differences in arginine concentration among the different stages of CanL. However, the concentration of plasma ADMA was higher in all stages of CanL compared to the healthy group, and the concentration of plasma SDMA was higher in Stage IV compared to the healthy group and Stage III. The present study demonstrates for the first time a decrease in arginine concentration and an increase in ADMA concentration in dogs with CanL. The increase in SDMA concentration in CanL dogs is consistent with previous studies. These findings may serve as a source of further diagnostic and therapeutic research on the renal and cardiovascular pathophysiology of CanL. It is suggested that more clinical studies, including patient follow-up and treatment, would be beneficial in further elucidating the changes observed in CanL.

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Interpretación de los hallazgos electrocardiográficos, ecocardiográficos y bioquímicos durante las diferentes etapas de la leishmaniasis visceral canina

Cited by 3 publications

References 18 publications

Arginine, symmetric and asymmetric dimethylarginine levels in canine leishmaniasis

Arginine, symmetric and asymmetric dimethylarginine levels in canine leishmaniasis

P-wave dispersion and renal biomarkers in canine visceral leishmaniasis stage III and IV infected dogs

Arginine, Symmetric and Asymmetric Dimethylarginine Levels in Canine Leishmaniasis

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