Fast echography; caudal vena cava; intravascular volume status
Abstract :
[en] BACKGROUND:
Clinical assessment of intravascular volume status is challenging. In humans, ultrasonographic assessment of the inferior vena cava diameter, directly or as a ratio to the aortic diameter is used to estimate intravascular volume status.
OBJECTIVES:
To ultrasonographically obtain reference values (RV) for caudal vena cava diameter (CVCD ), area (CVCa ) and aortic ratios using 3 views in awake healthy dogs.
ANIMALS:
One hundred and twenty-six healthy adult dogs from clients, students, faculty, or staff.
METHODS:
Prospective, multicenter, observational study. Two observer pairs evaluated CVCD by a longitudinal subxiphoid view (SV), a transverse 11th-13th right hepatic intercostal view (HV), and a longitudinal right paralumbar view (PV). Inter-rater agreements were estimated using concordance correlation coefficients (CCC). For body weight (BW)-dependent variables, RVs were calculated using allometric scaling for variables with a CCC ≥ 0.7.
RESULTS:
The CCC was ≤0.43 for the CVC/aorta ratio at the PV and ≤0.43 in both inspiration and expiration for CVC at the SV. The RVs using allometric scaling for CVCa at the HV for inspiration, expiration, and for CVCD at the PV were 6.16 × BW0.762 , 7.24 × BW0.787 , 2.79 × BW0.390 , respectively.
CONCLUSIONS AND CLINICAL IMPORTANCE:
The CVCD , measured at the HV and PV in healthy awake dogs of various breeds has good inter-rater agreement suggesting these sites are reliable in measuring CVCD . Established RVs for CVCD for these sites need further comparison to results obtained in hypovolemic and hypervolemic dogs to determine their usefulness to evaluate volume status in dogs.
Disciplines :
Veterinary medicine & animal health
Author, co-author :
Darnis, Elodie ; Université de Liège - ULiège > Dép. clinique des animaux de compagnie et des équidés (DCA) > Pathologie médicale des petits animaux
Boysen, Soren
Merveille, Anne-Christine ; Université de Liège - ULiège > Dép. clinique des animaux de compagnie et des équidés (DCA) > Pathologie médicale des petits animaux
Desquilbet, Loïc
Chalhoub, Serge
Gommeren, Kris ; Université de Liège - ULiège > Dép. clinique des animaux de compagnie et des équidés (DCA) > Pathologie médicale des petits animaux
Language :
English
Title :
Establishment of reference values of the caudal vena cava by fast-ultrasonography through different views in healthy dogs
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