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Nigerian Journal of Physiological Sciences
Physiological Society of Nigeria
ISSN: 0794-859X
Vol. 32, No. 1, 2017, pp. 85-90
Bioline Code: np17013
Full paper language: English
Document type: Research Article
Document available free of charge

Nigerian Journal of Physiological Sciences, Vol. 32, No. 1, 2017, pp. 85-90

 en Electrocardiographic and Blood Pressure Measurements in Captive African Lions ( Panthera leo check for this species in other resources ) Immobilized with Xylazine-Ketamine Combination
Omóbòwálé, T.O.; Otuh, P.I.; Adejumobi, O.A.; Abiola, J.O.; Adebiyi, T.; Ogunro, B.N & Adeogun, A.O.

Abstract

Summary: Electrocardiographic and blood pressure measurements are extremely valuable diagnostic tools in the evaluation of the cardiovascular system of living animals. In this study, 6-lead electrocardiograms were recorded from five male captive African lions (Panthera leo). Also, blood pressure measurements were recorded and compared from three different sites; fore limb, hind limb and the tail, were recorded. Immobilization was done with a combination of Ketamine Hydrochloride (10mg/kg) and Xylazine (3mg/kg). Measurements were recorded as mean ± standard deviation. ECG readings were analysed using descriptive statistics while blood pressure readings were compared using ANOVA at a 5% level of significance. Heart rate was 66±11.6 beats per minute. The heart rhythm was sinus in all the animals. Mean Electrical Axis (MEA) was between +810 and +930 degrees (Mean +89±5). Three animals had their MEA between +810 and +890 while two had MEA between +910 and +930. Fore limb measurements for Systolic Blood Pressure (SBP), Diastolic Blood Pressure (DAP) and Mean Arterial Pressure (MAP) were 177.6±6.8 mmHg, 157.2±5.9 mmHg and 168.6±5.2 mmHg respectively. Hind limb measurements for the SBP, DBP and MAP were 135.4±9.5 mmHg, 120.6±5.9 mmHg and 123.0±6.8 mmHg respectively while the tail measurements for the SBP, DBP and MAP were 149.6±8.3 mmHg, 132.8±5.9 mmHg and 137.2±5.8 mmHg respectively. There was weak correlation between forelimb vs hindlimb and forelimb vs tail comparisons of SBP, DBP and MAP. However, a strong positive correlation was found between hindlimb and tail comparisons of those parameters. Results from this study should serve as a guide in the cardiovascular monitoring of captive African Lions immobilized with a xylazine-ketamine combination.

Keywords
Electrocardiogram; Blood pressure; African lions

 
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