Complications of Kawasaki Disease: What to Watch Out For

Complications of Kawasaki Disease: What to Watch Out For

 

Kawasaki disease is a rare but serious condition that primarily affects children under the age of 5. While the exact cause of the disease is unknown, it is believed to be triggered by an abnormal immune response to an infection. The hallmark symptoms of Kawasaki disease include a high fever, rash, red eyes, swollen lymph nodes, and redness and swelling of the hands and feet. If left untreated, Kawasaki disease can lead to serious complications, which is why it is important for parents and caregivers to be aware of what to watch out for.

One of the most common complications of Kawasaki disease is coronary artery aneurysms. These are weak, bulging areas in the walls of the coronary arteries that can form as a result of the inflammation caused by the disease. If left untreated, these aneurysms can lead to blood clots, heart attacks, and even sudden death. To monitor for coronary artery aneurysms, doctors will often recommend regular echocardiograms to check the size and function of the heart's arteries. It is important for parents to follow up with these screenings as recommended by their child's healthcare provider.

Another potential complication of Kawasaki disease is myocarditis, which is inflammation of the heart muscle. This can lead to symptoms such as chest pain, shortness of breath, and abnormal heart rhythms. If left untreated, myocarditis can weaken the heart muscle and lead to heart failure. Monitoring for myocarditis may involve regular blood tests to check for markers of inflammation in the blood, as well as electrocardiograms to check for any abnormalities in the heart's rhythm.

In some cases, Kawasaki disease can also lead to inflammation of the blood vessels throughout the body, a condition known as vasculitis. This can cause symptoms such as skin rashes, joint pain, and abdominal pain. In severe cases, vasculitis can lead to damage to the blood vessels, which can affect blood flow to organs such as the kidneys and brain. To monitor for vasculitis, doctors may recommend blood tests to check for markers of inflammation and imaging tests such as MRIs or CT scans to check for any damage to the blood vessels.

One of the less common but more serious complications of Kawasaki disease is Kawasaki disease shock syndrome. This is a rare but life-threatening complication that can occur when the inflammation caused by the disease leads to a sudden drop in blood pressure and shock. Symptoms of Kawasaki disease shock syndrome can include rapid breathing, rapid heartbeat, and a bluish discoloration of the skin. If a child exhibits these symptoms, it is important to seek immediate medical attention.

In addition to these potential complications, Kawasaki disease can also lead to long-term heart problems such as coronary artery disease and heart valve abnormalities. It is important for children who have had Kawasaki disease to receive regular follow-up care with a cardiologist to monitor for any signs of these complications.

In conclusion, Kawasaki disease is a serious condition that can lead to a variety of complications if left untreated. It is important for parents and caregivers to be aware of the potential complications of the disease and to monitor for any signs or symptoms that may indicate a problem. By working closely with healthcare providers and following their recommendations for follow-up care, parents can help ensure the best possible outcomes for children who have had Kawasaki disease.