Currently available drugs can modestly improve symptoms and exercise capacity (at best), but can not repair the blood
vessel damage to the lungs or cure the disease.
Not exact matches
A chronic inflammatory process is when some sort of trigger (pollen, food particles, etc) initiates a strong inflammatory process that causes collateral
damage to other tissues of the body such as the gut lining, blood
vessels, the sinuses, the
lungs, the joints, etc..
Heartworms are a parasite that can cause severe
damage to the heart,
lungs, and blood
vessels of your pet.
The
lungs actually sustain the most
damage from heartworms due
to the irritation of the lining of the pulmonary blood
vessels which will be discussed more in the following pages.
These puppy worms live in the right side of the heart and adjoining
vessels of infected dogs and can cause substantial
damage to the heart and
lungs before any symptoms become visible.
Less common signs of heartworm infection include vomiting, neurologic signs, collapse and sudden death.9 Many cats are able
to overcome this phase of the disease process — and in some cases completely clear the heartworm infection — but not without
damaging the small blood
vessels in the
lungs during the process.6, 7
They can live for 5 - 7 years in the dog and cause severe
damage to the heart,
lungs, and blood
vessels which can lead
to lung disease, heart failure, and other organ failure.
Parasites of such considerable size located in such a vital area do very serious
damage, not only
to the heart but also
to the
lungs and the surrounding major blood
vessels.
[1] The parasite is commonly called «heartworm»; however, adults often reside in the pulmonary arterial system (
lung arteries), as well as the heart, and a major effect on the health for the animal is a manifestation of
damage to the
lung vessels and tissues.
The presence of heartworms causes extensive
damage to the heart, the
lungs, and the surrounding major blood
vessels.
Untreated, heartworms
damage the tissues and blood
vessels of the
lungs and eventually lead
to death from congestive heart failure.
Heartworm treatment generally causes problems in the
lungs, via the
damage to the blood
vessels that supply them (the pulmonary arteries).
Heartworms are parasites that live in the heart and
vessels of the
lungs causing scarring and long - term
damage to the heart and
lungs.
After medication is given
to kill adult heartworms (called an adulticide), the death of the heartworms can result in severe
damage to the
lung capillaries (small blood
vessels in the
lungs) and loss of blood
to the air sacs (alveoli).
Over several months, the worms migrate
to the vital blood
vessels of the heart and
lungs where they grow
to be the size of spaghetti and cause considerable
damage.
«These parasites cause irreversible permanent
damage to the blood
vessels in the heart and
lungs,» explains Ernie Ward, DVM, CVFT.
Heartworms live in the heart,
lungs and blood
vessels of affected animals, causing severe
lung disease, heart failure and
damage to other organs.
Heartworm disease involves severe
damage to the
lungs and heart and causes a variety of consequences including pulmonary emboli (clots that cutoff blood flow
to the
lungs), heart failure, pulmonary hypertension (elevated blood pressure of the
lung vessels), multiple organ system failure, and even death.
The
damage to the
lung blood
vessels from the worms, creates extra resistance for the heart
to pump against and often episodes of collapse occur with exercise.
Adult heartworms live 2 - 3 years in the cat and can cause
damage to the cat's heart,
lungs, and blood
vessels, leading
to heart failure,
lung disease, and other organ failure.
Additionally, chest x-rays can check for
lung damage caused by heartworms, and an ultrasound may be able
to visually reveal the presence of heartworms in a cat's heart or pulmonary blood
vessels.
This then causes physical
damage to the heart,
lungs, and associated blood
vessels.
An advanced heartworm infection means that the heartworms have been present long enough
to cause substantial
damage to the heart,
lungs, blood
vessels, kidneys and liver.
By their physical presence, they cause harm in two ways: they block the normal forward flow of blood, causing an excessive workload on the heart, and they also
damage the inner lining of the blood
vessels, which gives rise
to blood clots that cut off circulation
to parts of the
lungs.
Because these worms live inside the blood
vessels, adult worms can cause severe
damage to the heart,
lungs and associated vascular structures.