Blood pressure and heart rate in pregnant and non-pregnant bitches

被引:0
作者
Cahua, U. Jacqueline [1 ]
Gavidia, C. Cesar [2 ]
机构
[1] Univ Nacl Mayor San Marcos, Fac Med Vet, Clin Anim Menores, Lima, Peru
[2] Univ Nacl Mayor San Marcos, Fac Med Vet, Lab Epidemiol & Econ Vet, Lima, Peru
来源
REVISTA DE INVESTIGACIONES VETERINARIAS DEL PERU | 2023年 / 34卷 / 01期
关键词
blood pressure; heart rate; pregnancy; litter size; dog; RISK-FACTORS; DYSTOCIA;
D O I
10.15381/rivep.v34i1.22949
中图分类号
S85 [动物医学(兽医学)];
学科分类号
0906 ;
摘要
The aim of this study was to determine the effect of pregnancy on blood pressure and heart rate in female dogs aged 11 months to 9 years, apparently healthy. Blood pressure and heart rate were measured in 156 female dogs of various breeds, 124 of which were pregnant. The females were taken to consultation to determine possible pregnancies. Body weight, body condition score, presence of subcutaneous oedema and age of the patient were recorded. Gestation length, number of foetuses and presence of hydrops fetalis were calculated by ultrasound. Blood pressure and heart rate (HR) were measured with a SunTech Vet30 (R) monitor. The results showed a significant increase (p=0.013) in HR in pregnant dogs (pregnant: 136 beats/min, non-pregnant: 129 beats/min); however, no variation was found due to the effect of weight, age, number of foetuses, presence/ absence of hydrops fetalis and subcutaneous mammary oedema between both groups. Systolic blood pressure (SBP) did not vary in pregnant dogs, but diastolic blood pressure (DBP) (p=0.006) and mean arterial pressure (MAP) (p=0.011) were significantly lower compared to non-pregnant dogs. The number of foetuses did not significantly influence SBP, but DBP (p=0.02) and MAP (p=0.035) were significantly lower in dogs with higher number of foetuses.
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页数:9
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