Avaliação ecodopplercardiográfica da função diastólica em cães da raça Boxer

Cavalcanti, Guilherme Albuquerque de Oliveira; Muzzi, Ruthnéa Aparecida Lázaro; Araújo, Roberto Baracat de; Cherem, Marcos

doi:10.1590/s0102-09352007000500012

Cited by 6 publications

(5 citation statements)

References 22 publications

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“…Vp did not correlate with A mitral, E mitral, E/A and IVRT ratio variables, and these findings are similar to what is described in literature, whether for studies in cats or in dogs (Schober et al, 2003;Cavalcanti et al, 2007;Schober et al, 2010). However, in the present study, Vp correlated significantly with BSA and HR, although the correlation coefficient is low (r = 0.276).…”

Section: Discussionsupporting

confidence: 85%

“…This can be justified by the influence of sedation on variables evaluated in the study. According to Cavalcanti et al (2007), in which Vp was evaluated in Boxer breed dogs, there were no significant correlation of this variable with other echocardiographic indices, it only was verified an inverse relation with age. Thus, Vp was considered a relatively independent index.…”

Section: Discussionmentioning

confidence: 84%

“…Other studies evaluated Vp in dogs with induced CHF (Schober et al, 2008), and with dilated cardiomyopathy (O´Sullivan et al, 2007). According to the study of Cavalcanti et al (2007), Vp is a relatively independent index in boxer breed dogs. Furthermore, they verified in their study that Vp is inversely proportional to the animals' age.…”

Section: Introductionmentioning

confidence: 99%

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Mitral flow propagation velocity in non-sedated healthy cats

Silva

Muzzi

Oberlender

et al. 2014

Arq. Bras. Med. Vet. Zootec.

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Mitral flow propagation velocity (Vp) is an index used to evaluate the left ventricular diastolic function. Its influence on human and small animal cardiopathies has been studied; however there are few reports evaluating this variable in domestic felines. In addition, there is a lack of studies in non-sedated healthy cats. Therefore, the purpose of this study was to establish values for Vp and its correlation with other echocardiographic indexes in non-sedated healthy cats in order to provide new perspectives related to diastolic function in this species. Twenty-six clinically healthy cats were submitted to echocardiography to assess the animals' cardiac conditions. Variables such as age, heart rate (HR), body surface area (BSA), initial (E mitral) and late (A mitral) ventricular filling waves, isovolumic relaxation time (IVRT) and E/IVRT relation were correlated to Vp. No proven relation between any of these variables and Vp was observed in this present study, except for HR and BSA. In the variability analysis, higher values were verified for inter-observer analysis. This study concludes that Vp proved to be an useful index for estimating left ventricular relaxation in non-sedated healthy domestic cats and provides reference ranges for this variable.

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Section: Discussionsupporting

confidence: 85%

Section: Discussionmentioning

confidence: 84%

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Mitral flow propagation velocity in non-sedated healthy cats

Silva

Muzzi

Oberlender

et al. 2014

Arq. Bras. Med. Vet. Zootec.

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“…No presente estudo foi observada correlação (P<0,05) da Vp apenas com idade dos animais (r = -0,729; p = 0.017) e a relação E/Vp (r = 0,576; p < 0,01). Este fato denota a relativa independência desta variável, como já demonstrado por Cavalcanti et al (2007), em um estudo com cães e por Schober et al (2003) em um estudo utilizando gatos sedados. No entanto, em nosso estudo não houve correlação (P>0,05) entre Vp e E mitral, contrapondo-se aos dados observados em cães (Cavalcanti et al, 2007).…”

Section: Resultsunclassified

“…Esta variável demonstrou não ser influenciada por valores de pré-carga e pela frequência cardíaca em gatos sedados (Schober et al, 2003). No estudo realizado por Cavalcanti et al (2007), também foi demonstrado, em cães da raça boxer, que a Vp se constitui um índice relativamente independente. Além disso, neste estudo, foi observado que a Vp apresentou-se inversamente proporcional a idade dos animais.…”

Section: Introductionunclassified

34º Congresso Brasileiro da Associação Nacional de Clínicos Veterinários de Pequenos Animais - ANCLIVEPA

2013

AVB

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RESUMO -Objetivou-se com este estudo determinar em coelhos a influência da xilazina e da dexmedetomidina associadas à tiletamina/zolazepam sobre os parâmetros eletrocardiográficos. Foram utilizados 6 animais, SRD, pesando 2,42±0,36 kg, submetidos a dois grupos de tratamento denominados GTX (tiletamina/zolazepam 15 mg/kg + xilazina 10 mg/kg via intramuscular) e GTD (tiletamina/zolazepam 15 mg/kg + dexmedetomidina 0,05 mg/kg via intramuscular). Foram avaliados os parâmetros eletrocardiográficos Pms, PmV, PRms, QRSms, RmV, QTms e RRms por meio de eletrocardiógrafo computadorizado (ECG). Os registros das variáveis iniciaram-se antes da administração dos fármacos (basal) e a cada 10 minutos após a administração destes, durante 50 minutos. Os dados foram submetidos à ANOVA seguida do teste de Tukey (P<0,05). Não foram constatadas diferenças significativas entre os grupos para as variáveis estudadas. Entretanto, os segmentos RR e QT tiveram maior variação no GTX, mostrando-se elevados a partir de M5. Conclui-se que as associações empregadas não determinam alterações significativas nos parâmetros eletrocardiográficos de coelhos, o que torna os fármacos seguros para serem utilizados na rotina de manejo clínico de coelhos.Palavras-chave: eletrocardiograma, Oryctolagus cuniculus, α2-agonista.ABSTRACT -The objective of this study was to determine the influence in rabbits of xylazine and dexmedetomidine associated with tiletamine/zolazepam on electrocardiographic parameters. Were used 6 animals, SRD, weighing 2.42±0.36 kg, divided into two treatment groups called GTX (tiletamine/zolazepam 15 mg/kg + xylazine 10 mg/kg intramuscular) and GTD (tiletamine/zolazepam 15 mg/kg + dexmedetomidine 0.05 mg/kg intramuscular). Were evaluated electrocardiographic parameters Pms, PmV, PRMS, QRSms, RMV, and QTms RRMS through computadorized electrocardiograph (ECG). The records of the variables were initiated before drug administration (basal) and at every 10 minutes after taking them for 50 minutes. Data were subjected to ANOVA followed by Tukey test (P<0.05). There were no significant differences between groups for these variables. However, on electrocardiographic the RR and QT segments had greater variation in the GTX, being elevated from the M5. We conclude that the associations employed do not determine significant changes in ECG parameters in rabbits, which makes the drug safe for use in routine clinical management of rabbits, and the use of dexmedetomidine showed better hemodynamic stability when put together with the anesthetic for longer period of time.Keywords: electrocardiogram, Oryctolagus cuniculus, α2-agonist. INTRODUÇÃOA anestesia do tipo injetável tem sido a mais empregada em coelhos (Orr et al., 2005) destacando-se, entre os principais agentes utilizados, os anestésicos dissociativos, associados na maioria das vezes com fármacos * Autor para correspondência. E-mail: dayannevet@yahoo.com.br α2-agonistas e benzodiazepínicos. A tiletamina caracteriza-se pela indução rápida e anestesia do tipo cataleptóide, tornando necessário...

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Diseases of cardiovascular system of dogs and cats

Yogeshpriya

2024

Introduction to Diseases, Diagnosis, and Management of Dogs and Cats

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Avaliação ecodopplercardiográfica da função diastólica em cães da raça Boxer

Cited by 6 publications

References 22 publications

Mitral flow propagation velocity in non-sedated healthy cats

Mitral flow propagation velocity in non-sedated healthy cats

34º Congresso Brasileiro da Associação Nacional de Clínicos Veterinários de Pequenos Animais - ANCLIVEPA

Diseases of cardiovascular system of dogs and cats

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