Measurement of upper airway resistance in awake untrained dolichocephalic and mesaticephalic dogs.
A technique for measuring upper airway resistance was developed in awake untrained dolichocephalic and mesaticephalic dogs. Twenty healthy dogs, 10 Collies (group A--dolichocephalic) and 10 mixed-breed dogs (group B--mesaticephalic), were studied. All dogs tolerated the procedure well, and adverse effects were not observed. Mean (+/- SEM) value for upper airway resistance was 7.1 +/- 0.50 cm of H2O/L/L/s. There was a trend toward lower upper airway resistance (R(uaw)) values in group-A dogs, compared with those in group-B dogs. Values of R(uaw) were reproducible for an individual dog. The mean individual dog coefficient of variation for R(uaw) was 7.5%. The overall R(uaw) coefficient of variation for all 20 dogs was 31.4%. This technique for measuring upper airway resistance in dogs is clinically applicable for objectively assessing response to treatment of obstructive upper airway disorders.
Rozanski
E A
EA
Department of Veterinary Clinical Medicine, College of Veterinary Medicine, University of Illinois, Urbana 61801.
Greenfield
C L
CL
Alsup
J C
JC
McKiernan
B C
BC
Hungerford
L L
LL
D000403:Airway Resistance; D000818:Animals; D002404:Catheterization / Q000009:adverse effects / Q000295:instrumentation / Q000662:veterinary; D004283:Dog Diseases / Q000175:diagnosis / Q000503:physiopathology; D004285:Dogs / Q000033:anatomy & histology* / Q000502:physiology*; D005260:Female; D008173:Lung Diseases, Obstructive / Q000175:diagnosis / Q000503:physiopathology / Q000662:veterinary; D008297:Male; D012129:Respiratory Function Tests / Q000295:instrumentation / Q000379:methods / Q000662:veterinary*; D012886:Skull / Q000033:anatomy & histology*; D014132:Trachea; D014851:Wakefulness