OBJECTIVE: To characterize sleeping respiratory rates (SRRs) and resting respiratory rates (RRRs), collected in the home environment, of dogs with subclinical heart disease that could result in left-sided congestive heart failure. DESIGN: Prospective cross-sectional study. ANIMALS: 190 adult dogs with subclinical left-sided heart disease. PROCEDURES: Most dogs had mitral valve disease or dilated cardiomyopathy of various severities. Clients collected ten 1-minute SRRs or RRRs during a period ranging from 1 week to 6 months. Clinicians provided echocardiographic and medical data on each patient. RESULTS: The within-dog mean SRR (SRRmean; 16 breaths/min) was significantly lower than the within-dog mean RRR (RRRmean; 21 breaths/min). Seven dogs had SRRmean and 33 dogs had RRRmean > 25 breaths/min; 1 dog had SRRmean and 12 dogs had RRRmean > 30 breaths/min; these dogs mostly had a left atrial (LA)-to-aortic ratio > 1.8. Dogs with moderate LA enlargement had a significantly higher SRRmean than did other dogs. However, median SRRmean for each of 4 levels of LA enlargement was < 20 breaths/min; median RRRmean for each of 4 levels of LA enlargement was < 25 breaths/min. Both within-dog SRR and RRR remained stable for 10 consecutive measurements. Treatment with cardiac medications or presence of pulmonary hypertension was not associated with SRRmean or RRRmean. CONCLUSIONS AND CLINICAL RELEVANCE: Results suggested that dogs with confirmed subclinical left-sided heart disease of various severities generally had SRRmean < 25 breaths/min, which was infrequently exceeded at any time, and that SRR and RRR remained stable, regardless of individual within-dog SRRmean or RRRmean.
OBJECTIVE: To characterize sleeping respiratory rates (SRRs) and resting respiratory rates (RRRs), collected in the home environment, of dogs with subclinical heart disease that could result in left-sided congestive heart failure. DESIGN: Prospective cross-sectional study. ANIMALS: 190 adult dogs with subclinical left-sided heart disease. PROCEDURES: Most dogs had mitral valve disease or dilated cardiomyopathy of various severities. Clients collected ten 1-minute SRRs or RRRs during a period ranging from 1 week to 6 months. Clinicians provided echocardiographic and medical data on each patient. RESULTS: The within-dog mean SRR (SRRmean; 16 breaths/min) was significantly lower than the within-dog mean RRR (RRRmean; 21 breaths/min). Seven dogs had SRRmean and 33 dogs had RRRmean > 25 breaths/min; 1 dog had SRRmean and 12 dogs had RRRmean > 30 breaths/min; these dogs mostly had a left atrial (LA)-to-aortic ratio > 1.8. Dogs with moderate LA enlargement had a significantly higher SRRmean than did other dogs. However, median SRRmean for each of 4 levels of LA enlargement was < 20 breaths/min; median RRRmean for each of 4 levels of LA enlargement was < 25 breaths/min. Both within-dog SRR and RRR remained stable for 10 consecutive measurements. Treatment with cardiac medications or presence of pulmonary hypertension was not associated with SRRmean or RRRmean. CONCLUSIONS AND CLINICAL RELEVANCE: Results suggested that dogs with confirmed subclinical left-sided heart disease of various severities generally had SRRmean < 25 breaths/min, which was infrequently exceeded at any time, and that SRR and RRR remained stable, regardless of individual within-dog SRRmean or RRRmean.
Authors: J López-Alvarez; J Elliott; D Pfeiffer; Y-M Chang; M Mattin; W Moonarmart; M J Hezzell; A Boswood Journal: J Vet Intern Med Date: 2015 Mar-Apr Impact factor: 3.333
Authors: M Borgarelli; J Abbott; L Braz-Ruivo; D Chiavegato; S Crosara; K Lamb; I Ljungvall; M Poggi; R A Santilli; J Haggstrom Journal: J Vet Intern Med Date: 2015 Mar-Apr Impact factor: 3.333
Authors: J L Pouchelon; C E Atkins; C Bussadori; M A Oyama; S L Vaden; J D Bonagura; V Chetboul; L D Cowgill; J Elliot; T Francey; G F Grauer; V Luis Fuentes; N Sydney Moise; D J Polzin; A M Van Dongen; N Van Israël Journal: J Small Anim Pract Date: 2015-09 Impact factor: 1.522
Authors: Adrian Boswood; Sonya G Gordon; Jens Häggström; Martin Vanselow; Gerhard Wess; Rebecca L Stepien; Mark A Oyama; Bruce W Keene; John Bonagura; Kristin A MacDonald; Mark Patteson; Sarah Smith; Philip R Fox; Karen Sanderson; Richard Woolley; Viktor Szatmári; Pierre Menaut; Whitney M Church; M Lynne O'Sullivan; Jean-Philippe Jaudon; Jan-Gerd Kresken; John Rush; Kirstie A Barrett; Steven L Rosenthal; Ashley B Saunders; Ingrid Ljungvall; Michael Deinert; Eric Bomassi; Amara H Estrada; Maria J Fernandez Del Palacio; N Sydney Moise; Jonathan A Abbott; Yoko Fujii; Alan Spier; Michael W Luethy; Roberto A Santilli; Masami Uechi; Anna Tidholm; Christoph Schummer; Philip Watson Journal: J Vet Intern Med Date: 2020-03-22 Impact factor: 3.333