Changes

The results of a recent study indicate that the most common clinical signs observed in infected dogs are '''cough''' (65%), '''dyspnoea''' (43%), '''coagulopathy''' (35%) and '''collapse''' (26%)<ref>Chapman PS, Boag AK, Guitian J, Boswood A. '''Angiostrongylus vasorum infection in 23 dogs (1999-2002).''' ''J Small Anim Pract. 2004 Sep;45(9):435-40.''</ref>.  

The results of a recent study indicate that the most common clinical signs observed in infected dogs are '''cough''' (65%), '''dyspnoea''' (43%), '''coagulopathy''' (35%) and '''collapse''' (26%)<ref>Chapman PS, Boag AK, Guitian J, Boswood A. '''Angiostrongylus vasorum infection in 23 dogs (1999-2002).''' ''J Small Anim Pract. 2004 Sep;45(9):435-40.''</ref>.  

===Laboratory Tests===

===Laboratory Tests===

Blood '''eosinophilia''' and '''basophilia''' may or may not be present.  In one study, eosinophilia was detected in 21% of naturally infected dogs<ref name="one">Willesen JL, Jensen AL, Kristensen AT, Koch J. '''Haematological and biochemical changes in dogs naturally infected with Angiostrongylus vasorum before and after treatment.''' ''Vet J. 2009 Apr;180(1):106-11. Epub 2007 Dec 20.''</ref>  Animals may or may not be '''thrombocytopaenic''' and '''[[Anaemia|anaemic]]''' and a case of concurrent immune-mediated thrombocytopaenia with ''A. vasorum'' infection has been reported<ref>Gould SM, McInnes EL. '''Immune-mediated thrombocytopenia associated with Angiostrongylus vasorum infection in a dog.''' ''J Small Anim Pract. 1999 May;40(5):227-32.''</ref>.  

Blood '''eosinophilia''' and '''basophilia''' may or may not be present.  In one study, eosinophilia was detected in 21% of naturally infected dogs<ref name="one">Willesen JL, Jensen AL, Kristensen AT, Koch J. '''Haematological and biochemical changes in dogs naturally infected with Angiostrongylus vasorum before and after treatment.''' ''Vet J. 2009 Apr;180(1):106-11. Epub 2007 Dec 20.''</ref>  Animals may or may not be '''thrombocytopaenic''' and '''anaemic''' and a case of concurrent immune-mediated thrombocytopaenia with ''A. vasorum'' infection has been reported<ref>Gould SM, McInnes EL. '''Immune-mediated thrombocytopenia associated with Angiostrongylus vasorum infection in a dog.''' ''J Small Anim Pract. 1999 May;40(5):227-32.''</ref>.  

'''Fructosamine''' concentration may be low in cases of ''A. vasorum'' infection and this finding may prompt examination of a faecal sample<ref name="one">nothing</ref><ref>Willesen JL, Jensen AL, Kristensen AT, Kjelgaard-Hansen M, Jessen R, Koch J. '''Serum fructosamine concentrations in 59 dogs naturally Infected with Angiostrongylus vasorum.''' ''J Vet Med A Physiol Pathol Clin Med. 2006 Jun;53(5):266-9.''</ref>.

'''Fructosamine''' concentration may be low in cases of ''A. vasorum'' infection and this finding may prompt examination of a faecal sample<ref name="one">nothing</ref><ref>Willesen JL, Jensen AL, Kristensen AT, Kjelgaard-Hansen M, Jessen R, Koch J. '''Serum fructosamine concentrations in 59 dogs naturally Infected with Angiostrongylus vasorum.''' ''J Vet Med A Physiol Pathol Clin Med. 2006 Jun;53(5):266-9.''</ref>.

'''Coagulation times''' may be prolonged due to the consumptive coagulopathy.

'''Coagulation times''' may be prolonged due to the consumptive coagulopathy.

===Diagnostic Imaging===

===Diagnostic Imaging===

'''Plain radiographs of the chest''' may show enlargement of the right heart chambers and truncation of pulmonary arterial vessels.  There may be an alveolar lung pattern due to pulmonary haemorrhage or pneumonia.

'''Plain radiographs of the chest''' may show enlargement of the right heart chambers and truncation of pulmonary arterial vessels.  There may be an alveolar lung pattern due to pulmonary haemorrhage or pneumonia.