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Evaluation of the caudal vena cava diameter to abdominal aortic diameter ratio and the caudal vena cava respiratory collapsibility for predicting fluid responsiveness in a heterogeneous population of hospitalized conscious dogs.
J Vet Med Sci. 2020 Mar 24; 82(3):337-344.JV

Abstract

Fluid responsiveness, defined as the response of stroke volume to fluid loading, is a tool to individualize fluid administration in order to avoid the deleterious effects of hypovolemia or hypervolemia in hospitalized patients. To evaluate the accuracy of two ultrasound indices, the caudal vena cava to abdominal aorta ratio (CVC/Ao) and the respiratory collapsibility of the caudal vena cava (cCVC), as independent predictors of fluid responsiveness in a heterogeneous population of spontaneously breathing, conscious, hospitalized dogs. A prospective, multicenter, observational, cross-sectional study was designed in twenty-five dogs. The accuracy of CVC/Ao and cCVC in predicting fluid responsiveness was evaluated by the area under the receiver operating characteristic curve (AUROC) in a group of hospitalized dogs after receiving a mini-fluid bolus of 4 ml/kg of Hartmann's solution. Dogs with an increased aortic velocity time integral >15% were classified as fluid responders. Twenty-two dogs were finally included. Ten were classified as responders and 12 as non-responders. The AUROC curves were 0.88 for the CVC/Ao ratio (95% confidence interval, CI, 0.67-0.98; P=0.0001) and 0.54 for cCVC (95% CI 0.32-0.75; P=0.75). The CVC/Ao threshold optimized for best sensitivity (SE) and specificity (SP) values was 0.83 (SE 100%; SP 75%). In spontaneously breathing hospitalized dogs, the CVC/Ao measurement predicted stroke volume increase after a fluid bolus, while the respiratory variations in the cCVC did not discriminate between fluid responders and non-responders.

Authors+Show Affiliations

CVRS-Policlinico Veterinario Roma Sud, 00173 Rome (RM), Italy.Centro Veterinario Imperiese, 18100 Imperia (IM), Italy.CVRS-Policlinico Veterinario Roma Sud, 00173 Rome (RM), Italy.Department of Animal Medicine, Production and Health School of Agriculture and Veterinary Medicine, Padua University, 35020 Legnaro (PD), Italy.Department of Veterinary Science, University of Turin, 10095 Grugliasco (TO), Italy.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

31932519

Citation

Rabozzi, Roberto, et al. "Evaluation of the Caudal Vena Cava Diameter to Abdominal Aortic Diameter Ratio and the Caudal Vena Cava Respiratory Collapsibility for Predicting Fluid Responsiveness in a Heterogeneous Population of Hospitalized Conscious Dogs." The Journal of Veterinary Medical Science, vol. 82, no. 3, 2020, pp. 337-344.
Rabozzi R, Oricco S, Meneghini C, et al. Evaluation of the caudal vena cava diameter to abdominal aortic diameter ratio and the caudal vena cava respiratory collapsibility for predicting fluid responsiveness in a heterogeneous population of hospitalized conscious dogs. J Vet Med Sci. 2020;82(3):337-344.
Rabozzi, R., Oricco, S., Meneghini, C., Bucci, M., & Franci, P. (2020). Evaluation of the caudal vena cava diameter to abdominal aortic diameter ratio and the caudal vena cava respiratory collapsibility for predicting fluid responsiveness in a heterogeneous population of hospitalized conscious dogs. The Journal of Veterinary Medical Science, 82(3), 337-344. https://doi.org/10.1292/jvms.19-0028
Rabozzi R, et al. Evaluation of the Caudal Vena Cava Diameter to Abdominal Aortic Diameter Ratio and the Caudal Vena Cava Respiratory Collapsibility for Predicting Fluid Responsiveness in a Heterogeneous Population of Hospitalized Conscious Dogs. J Vet Med Sci. 2020 Mar 24;82(3):337-344. PubMed PMID: 31932519.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Evaluation of the caudal vena cava diameter to abdominal aortic diameter ratio and the caudal vena cava respiratory collapsibility for predicting fluid responsiveness in a heterogeneous population of hospitalized conscious dogs. AU - Rabozzi,Roberto, AU - Oricco,Stefano, AU - Meneghini,Caterina, AU - Bucci,Massimo, AU - Franci,Paolo, Y1 - 2020/01/13/ PY - 2020/1/15/pubmed PY - 2020/1/15/medline PY - 2020/1/15/entrez KW - dog KW - fluid KW - hemodynamic assessment KW - point-of-care KW - ultrasound SP - 337 EP - 344 JF - The Journal of veterinary medical science JO - J. Vet. Med. Sci. VL - 82 IS - 3 N2 - Fluid responsiveness, defined as the response of stroke volume to fluid loading, is a tool to individualize fluid administration in order to avoid the deleterious effects of hypovolemia or hypervolemia in hospitalized patients. To evaluate the accuracy of two ultrasound indices, the caudal vena cava to abdominal aorta ratio (CVC/Ao) and the respiratory collapsibility of the caudal vena cava (cCVC), as independent predictors of fluid responsiveness in a heterogeneous population of spontaneously breathing, conscious, hospitalized dogs. A prospective, multicenter, observational, cross-sectional study was designed in twenty-five dogs. The accuracy of CVC/Ao and cCVC in predicting fluid responsiveness was evaluated by the area under the receiver operating characteristic curve (AUROC) in a group of hospitalized dogs after receiving a mini-fluid bolus of 4 ml/kg of Hartmann's solution. Dogs with an increased aortic velocity time integral >15% were classified as fluid responders. Twenty-two dogs were finally included. Ten were classified as responders and 12 as non-responders. The AUROC curves were 0.88 for the CVC/Ao ratio (95% confidence interval, CI, 0.67-0.98; P=0.0001) and 0.54 for cCVC (95% CI 0.32-0.75; P=0.75). The CVC/Ao threshold optimized for best sensitivity (SE) and specificity (SP) values was 0.83 (SE 100%; SP 75%). In spontaneously breathing hospitalized dogs, the CVC/Ao measurement predicted stroke volume increase after a fluid bolus, while the respiratory variations in the cCVC did not discriminate between fluid responders and non-responders. SN - 1347-7439 UR - https://www.unboundmedicine.com/medline/citation/31932519/Evaluation_of_the_caudal_vena_cava_diameter_to_abdominal_aortic_diameter_ratio_and_the_caudal_vena_cava_respiratory_collapsibility_for_predicting_fluid_responsiveness_in_a_heterogeneous_population_of_hospitalized_conscious_dogs L2 - https://dx.doi.org/10.1292/jvms.19-0028 DB - PRIME DP - Unbound Medicine ER -
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