… Microfilariae: Since Dirofilaria immitis MFareseldom found in infected cats, their … the diagnosis.
However, a positive modified Knott or filter test confirms a tentative diagnosis of heartworm …

… This document focuses primarily on procedures and largely omits discussion of the better
known pathophysiologic mechanisms and clinical features of heartworm disease in dogs …

… The results of the present study offer an up-dated evaluation of the current practices in
the diagnosis, prevention and treatment of Dirofilaria spp. infection in dogs and cats in Italy, …

… No sex predilection for anti-Dirofilaria immitis host antibody seropositivity has been proven …
prevalence of heartworm infection in cats is probably understated due to diagnostic limitations…

… In 1992, Zimmerman and associates reported that Dirofilaria immitis was present in all
states in the northwestern United States and in British Columbia, Canada. They wrote that al…

… for the prevention of heartworm disease (adult Dirofilaria immitis infection) in … heartworm
hyperendemic region of northern Italy. Dogs were allocated randomly in a 2:1 ratio to treatment …

… of heartworm disease in dogs. Due to increasing recognition of … heartworm disease as
a distinct clinical entity, guidelines for the diagnosis, treatment and prevention of heartworm …

… Currently, prevention of canine Dirofilaria immitis infection relies on use of therapeutic agents
that effectively eliminate infective larvae inoculated by mosquitoes.These agents also kill …

… Many other questions need to be answered to provide guidance for limiting the spread of
resistance and maintaining our ability to prevent heartworm infection. Some of these questions …

… received a heartworm preventive prior to … -of-care antigen testing for the diagnosis of
Dirofilaria immitis in shelter dogs [5]. The results of these tests often determine the management of …