Ultrasonographic Assessment of Caudal Vena Cava to Aorta Ratio as a Novel Endpoint in Hemorrhagic Shock Resuscitation in Dogs

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Azargoun reza; AVIZEH REZA; Ghadiri Alireza; Imani Rastabi hadi; POURMAHDI MAHDI

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Journal: Iranian Journal of Veterinary Surgery Year:2019 | Volume:14 | Issue:2 (31) Page(s): 125-132

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Title

Ultrasonographic Assessment of Caudal Vena Cava to Aorta Ratio as a Novel Endpoint in Hemorrhagic Shock Resuscitation in Dogs

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Keywords

UltrasonographyQ2

Caudal vena cava to aorta ratioQ1

Haemorrhagic shockQ1

DogQ2

Abstract

Objective-The aim of this study was to assess Ultrasonography-derived Caudal vena cava to aorta ratio (CVC/Ao) as a novel endpoint in the resuscitation of experimental hemorrhagic shock in Dogs. Design-Experimental study. Animals-Ten adult mongrel healthy Dogs. Procedures-After induction of anesthesia (control assessments), hemorrhagic shock was induced by blood withdrawal to a mean arterial pressure of 40 to 50 mmHg within 30 minutes and then maintained in a hypovolemic situation for an additional 30 minutes (second and third stages of assessments). Afterward, the Dogs were randomly assigned to two groups which received 20 ml/kg lactated Ringer's solution or 5 ml/kg hydroxyethyl starch, in four consecutive 15 minutes intervals (fourth stage of assessments). One hour after the last resuscitation step, final ultrasonographic assessments were performed. Results-Hemorrhagic shock caused a significant decrease in the CVC and Ao diameters as well as the CVC/Ao (2. 14 ± 0. 28 cm, 0. 85 ± 0. 07 cm and 0. 4 ± 0. 06, respectively) (p<0. 05). Following the fluid resuscitation CVC/Ao increased and returned to pre-shock values in both groups. Conclusion and clinical relevance-Findings indicated that serial ultrasonographic assessment of the CVC/Ao can be a useful endpoint in the resuscitation of Dogs with hemorrhagic shock.

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APA: Copy

Azargoun, reza, AVIZEH, REZA, Ghadiri, Alireza, Imani Rastabi, hadi, & POURMAHDI, MAHDI. (2019). Ultrasonographic Assessment of Caudal Vena Cava to Aorta Ratio as a Novel Endpoint in Hemorrhagic Shock Resuscitation in Dogs. IRANIAN JOURNAL OF VETERINARY SURGERY (IJVS), 14(2 (31) ), 125-132. SID. https://sid.ir/paper/135720/en

Vancouver: Copy

Azargoun reza, AVIZEH REZA, Ghadiri Alireza, Imani Rastabi hadi, POURMAHDI MAHDI. Ultrasonographic Assessment of Caudal Vena Cava to Aorta Ratio as a Novel Endpoint in Hemorrhagic Shock Resuscitation in Dogs. IRANIAN JOURNAL OF VETERINARY SURGERY (IJVS)[Internet]. 2019;14(2 (31) ):125-132. Available from: https://sid.ir/paper/135720/en

IEEE: Copy

reza Azargoun, REZA AVIZEH, Alireza Ghadiri, hadi Imani Rastabi, and MAHDI POURMAHDI, “Ultrasonographic Assessment of Caudal Vena Cava to Aorta Ratio as a Novel Endpoint in Hemorrhagic Shock Resuscitation in Dogs,” IRANIAN JOURNAL OF VETERINARY SURGERY (IJVS), vol. 14, no. 2 (31) , pp. 125–132, 2019, [Online]. Available: https://sid.ir/paper/135720/en

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