Abstract
In 34 out of 60 aortas from roe deer, aged from 6 months to more than 8 years, aortic lesions were found. The frequency of affected regions involved were, in the posterior abdominal portion 53.3 %, in the aortic arch 18.3 %, in the anterior abdominal portion 16.7 %, in the posterior thoracic portion 8.33 % and in the anterior thoracic portion 3.3 %. Of the observed lesions, fatty streaks were seen in 3, fatty streaks and fibrous plaques in 3, fatty streaks with complicated lesions (calcification and acid mucopolysaccharides) in 14 and fibrous plaques with complicated lesions in 14 of the aortas. Elastic tissue degeneration of the inner two thirds of the tunica media was principally found in the aorta of the animals beyond 4 years of age. The lesions significantly (P < 0.001) increased in number and severity with age and appeared to be more progressive in pregnant animals. There was, however, no significant difference between affected male and female animals in the different age groups.
Keywords: roe deer, atherosclerosis, fatty streaks, complicated lesions, fibrous plaque
Sammanfattning
Hos 34 av 60 undersökta rådjur, 6 månader — äldre än 8 år, före-låg aortaskador. Frekvensen skadade regioner var: bakre abdominala delen 53,3 %, aortabågen 18,3 %, främre abdominala delen 16,7 %, bakre törakala den 8,3 % och främre torakala delen 3,3 %. Stråk av fett förelag hos 3, stråk av fett och fibrösia knutor hos 3, stråk av fett med komplicerade skador (förkalkningar och sura mucopolysacca-rider) hos 14 och fibrösa knutor med komplicerade skador hos 14. Degeneration av elastisk vävnad i de inre 2/3 av tunica media förelåg huvudsakligen i aortor hos djur äldre än 4 år. Skadorna ökade signifikant i ant al och svårighetsgrad med åider med en tendens till mer utbredda skador hos dräktiga djur. Det förelåg emellertid ingen signifikant skillnad mellan hon- och handjur i olika åldersgrupper.
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