Weight loss improves arterial blood gases and respiratory parameters in obese dogs

Journal of Animal Physiology and Animal Nutrition
Gláucia B Pereira-NetoAparecido A Camacho

Abstract

Canine obesity is a common medical disorder and a known risk factor for associated diseases; it can seriously influence various physiological functions, thereby limiting the longevity of the animal. In this study, we evaluated potential respiratory alterations in obese dogs before and after being subjected to caloric restriction to decrease their body weight by 20%, and compared those dogs with control dogs with ideal body condition score. The animals were divided into three experimental groups: GI (obese dogs; n = 11); GII (obese dogs after weight loss, same animals as in GI); GIII (control dogs; n = 11). We evaluated lung function by spirometry and arterial blood gases. Statistical analysis included paired or non-paired Student's t test. Compared with dogs within an ideal body condition score (GIII), obese dogs (GI) had a low arterial partial pressure of oxygen (p < 0.05); decreased tidal volume (p < 0.005), inspiratory time and expiratory time (p < 0.05); and an increased respiratory rate (p < 0.005). After losing weight (GII), no differences with control dogs (GIII) were verified. The results suggested that obese dogs have an improvement in respiratory function with weight loss, but further investigations in a larger group ...Continue Reading

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Citations

Sep 24, 2020·PloS One·Thiago Henrique Annibale VendraminiMarcio Antonio Brunetto
Feb 18, 2021·Metabolomics : Official Journal of the Metabolomic Society·Thiago H A VendraminiMarcio A Brunetto
Mar 4, 2021·The Veterinary Clinics of North America. Small Animal Practice·Megan Shepherd
Apr 28, 2021·Acta Veterinaria Scandinavica·Sanna LindåseJosefin Söder
Jan 13, 2022·PloS One·Thiago Henrique Annibale VendraminiMárcio Antonio Brunetto
Feb 4, 2022·Journal of Animal Physiology and Animal Nutrition·Rodrigo F G OlivindoMarcio Antonio Brunetto

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