RADIOGRAPHIC CHANGES ASSOCIATED WITH DEVELOPING DIROFILARIASIS IN EXPERIMENTALLY INFECTED-DOGS

  • 1 January 1980
    • journal article
    • research article
    • Vol. 41  (1) , 81-90
Abstract
Experimental heartworm infection was established in 10 dogs. Five had mild infections (8-21 worms) and 5 had severe infections (41-96 worms). After larval inoculation, dogs were radiographed each month for 1 yr to evaluate cardiopulmonary changes occurring as heartworm disease developed. Changes seen radiographically during the 1st yr of heartworm infection were related to magnitude of the worm burden. In mild infections, changes mainly involved the terminal portion of the right caudal lobar pulmonary artery and were minimal. In severe infections, changes mainly involved the entirety of the right caudal lobar pulmonary artery. In some dogs, an increase in size of the right cranial lobar pulmonary artery was seen. Gross changes in size of the right ventricle and main pulmonary artery did not frequently occur during the 1st yr.

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