Changes

===[[Metastrongyloidae|''Angiostrongylus vasorum'']]===

===[[Metastrongyloidae|''Angiostrongylus vasorum'']]===

*Adult worms live in the [[Lungs - circulatory|pulmonary arteries]] and '''right side of the heart''' dogs and foxes  

*Adult worms live in the [[Lungs Circulatory - Pathology|pulmonary arteries]] and '''right side of the heart''' dogs and foxes  

*Cause a proliferative endoarteritis

*Cause a proliferative endoarteritis

*More severe damage is caused however by eggs lodging in arterioles and capillaries

*More severe damage is caused however by eggs lodging in arterioles and capillaries

*In severe infection, this can result in [[Lungs - inflammatory#Infectious causes of pneumonia|pneumonia]] and [[Lungs - circulatory#Pulmonary oedema|pulmonary oedema]] as an acute syndrome

*In severe infection, this can result in [[Lungs - inflammatory#Infectious causes of pneumonia|pneumonia]] and [[Lungs Circulatory - Pathology#Pulmonary oedema|pulmonary oedema]] as an acute syndrome

*Circulatory impedance can result in congestive cardiac failure

*Circulatory impedance can result in congestive cardiac failure

*Particularly a problem if dogs eats snails

*Particularly a problem if dogs eats snails

*Worms secrete anticoagulant -> haemorrhage in other parts of body

*Worms secrete anticoagulant -> haemorrhage in other parts of body

*May present as neurological cases due to the haemorrhage

*May present as neurological cases due to the haemorrhage

*May cause [[Lungs - circulatory#Embolism, thrombosis and infarction|pulmonary thromboembolism]]

*May cause [[Lungs Circulatory - Pathology#Embolism, thrombosis and infarction|pulmonary thromboembolism]]

===[[Filarioidea|''Dirofilaria immitis'']]===

===[[Filarioidea|''Dirofilaria immitis'']]===

*Establish in '''heart''' and [[Lungs - circulatory|pulmonary arteries]]

*Establish in '''heart''' and [[Lungs Circulatory - Pathology|pulmonary arteries]]

*Larvae migrate through connective tissue

*Larvae migrate through connective tissue

*Immature adults move to caudal distal pulmonary arteries causing diffuse eosinophilic reaction in lung parenchyma, then migrate back to right ventricle

*Immature adults move to caudal distal pulmonary arteries causing diffuse eosinophilic reaction in lung parenchyma, then migrate back to right ventricle

*May cause [[Lungs - circulatory#Embolism, thrombosis and infarction|pulmonary thromboembolism]]

*May cause [[Lungs Circulatory - Pathology#Embolism, thrombosis and infarction|pulmonary thromboembolism]]

===[[Trichinelloidea|''Capillaria aerophila'']]===

===[[Trichinelloidea|''Capillaria aerophila'']]===

===[[Filarioidea|''Dirofilaria immitis'']]===

===[[Filarioidea|''Dirofilaria immitis'']]===

*As in dogs above

*As in dogs above

*Not very infective in cats but one dead adult causes acute pulmonary crisis - [[Lungs - circulatory#Embolism, thrombosis and infarction|thromboembolism]]

*Not very infective in cats but one dead adult causes acute pulmonary crisis - [[Lungs Circulatory - Pathology#Embolism, thrombosis and infarction|thromboembolism]]

===[[Trichinelloidea|''Capillaria aerophila'']]===

===[[Trichinelloidea|''Capillaria aerophila'']]===

***Majority of worms are expelled

***Majority of worms are expelled

***In 25% of cases clinical signs may reappear as a result of alveolar epithelialisation

***In 25% of cases clinical signs may reappear as a result of alveolar epithelialisation

***May be together with [[Lungs Ventilation - Pathology#Emphysema|interstitial emphysema]] and [[Lungs - circulatory#Pulmonary oedema|pulmonary oedema]], or secondary bacterial infection

***May be together with [[Lungs Ventilation - Pathology#Emphysema|interstitial emphysema]] and [[Lungs Circulatory - Pathology#Pulmonary oedema|pulmonary oedema]], or secondary bacterial infection

*Reinfection syndrome:

*Reinfection syndrome:

**Immune cattle show clinical signs only if exposed to large numbers

**Immune cattle show clinical signs only if exposed to large numbers

*Larvae may be infected with [[Respiratory Viral Infections - Pathology#Swine influenza|Swine influenza]]

*Larvae may be infected with [[Respiratory Viral Infections - Pathology#Swine influenza|Swine influenza]]

*May cause severe pneumonia in calves housed where infected pigs were housed previously

*May cause severe pneumonia in calves housed where infected pigs were housed previously

*Cause diffuse [[Lungs - inflammatory#Interstitial pneumonia|interstitial pneumonia]] with haemorrhage, [[Lungs Ventilation - Pathology#Atelectasis (Collapse)|atelectasis]], [[Lungs - circulatory#Pulmonary oedema|interlobular oedema]] and [[Lungs Ventilation - Pathology#Emphysema|emphysema]]

*Cause diffuse [[Lungs - inflammatory#Interstitial pneumonia|interstitial pneumonia]] with haemorrhage, [[Lungs Ventilation - Pathology#Atelectasis (Collapse)|atelectasis]], [[Lungs Circulatory - Pathology#Pulmonary oedema|interlobular oedema]] and [[Lungs Ventilation - Pathology#Emphysema|emphysema]]