Slov Vet Res 2007; 44 (1/2) - Slovenian veterinary research

36 M. Kobal, A. Domanjko Petrič
Table 5: The reference values of the left ventricular systolic and diastolic achocardiographic parameters from the literature
and comparison of our DP to referenced population
Parameter N Boxers* N
Dogs of various
breeds
**
N
DPs from the
literature***
DP:Dogs
of various
breeds**
DP:
Boxers*
X ± SD X ± SD X ± SD P P
BW 66 30 ± 4 10 36,1 ± 4,4 0,000
HR 66 100 ± 21 14 85 ± 16 10 113 ± 12 0,000 0,001
LVDd (mm) 66 43,5 ± 4,7 10 38,4 ± 2,3 0,000
LVDs (mm) 66 29,7 ± 3,6 10 29,2 ± 3,7 0,000
IVSd (mm) 66 9,7 ± 1,5 0,000
IVSs (mm) 66 13,3 ± 2,0 0,098
LVPWd (mm) 66 9,7 ± 1,5 0,000
LVPWs (mm) 66 13,8 ± 2,2 0,000
LAD (mm) 66 33,7 ± 5,4 0,000
Ao (mm) 66 21,7 ± 2,6 0,000
FS (%) 66 32 ± 6 14 31 ± 4 10 24,0 ± 7,2 0,843 0,260
EF tz 14 58 ± 7 0,649
s (m/s) 57 0,42 ± 0,12 14 0,39 ± 0,14 10 0,50 ± 0,59 0,026 0,046
d (m/s) 57 0,62 ± 0,12 14 0,56 ± 0,14 10 0,49 ± 0,42 0,118 0,749
Ar (m/s) 57 -0,23 ± 0,05 14 -0,20 ± 0,08 10 0,27 ± 0,44 0,000 0,000
s/d 57 0,72 ± 0,28 14 0,70 ± 0,16 10 1,0 ± 0,1 0,151 0,376
E (m/s) 63 0,76 ± 0,13 14 0,73 ± 0,11 10 0,76 ± 0,13 0,012 0,019
A (m/s) 63 0,53 ± 0,12 14 0,48 ± 0,16 10 0,55 ± 0,10 0,000 0,000
E/A 63 1,49 ± 0,34 14 1,63 ± 0,47 10 1,4 ± 0,3 0,000 0,000
DTE (ms) 55 80 ± 14 14 81 ± 17 10 131 ± 24 0,000 0,000
IVRT (ms) 58 53 ± 8 14 60 ± 20 10 83 ± 14 0,687 0,028
Legend: * –; Schober, Fuentes, Baade, Oechtering, 2002; ** – Schober. Fuentes. McEwan, French, 1998; *** - O’Sullivan,
O’Grady, Minors, 2007;
N – the number of examined dogs, Ret – Retrievers, SD – standard deviation, BW – body weight, HR – heart rate, LVDd
– left ventricular diastolic dimension, LVDs – left ventricular systolic dimension, IVSd – interventricular septum thickness
in diastole, IVSs – interventricular septum thickness in systole, LVPWd – left ventricular posterior wall thickness
in diastole, LVPWs – left ventricular posterior wall thickness in systole, LAD – dimension of the left atrium, Ao – dimension
of aorta, FS – fractional shortening, EFtz – ejection fraction caculated by Teicholz formula, s – systolic pulmonary
venous flow velocity, d – diastolic pulmonary venous flow velocity, Ar – atrial reversal flow, s/d – ratio between systolic
and diastolic pulmonary venous flow velocity, E – early ventricular filling velocity (E-wave), A – late ventricular filling
velocity (A-wave), E/A – ratio between mitral A- and E-wave, DTE – mitral deceleration time, IVRT – isovolumic relaxation
time.