Bartter syndrome is a group of similar rare conditions that affect the kidneys. It's genetic, which means it's caused by a problem with a gene.
If you have it, too much salt and calcium leave your body when you pee. It also may cause low levels of potassium and high levels of acid in the blood. If all these are out of balance, you can have many different health problems.
There are two major forms of Bartter syndrome. Antenatal Bartter syndrome starts before birth. It can be very serious, even life threatening. Babies may not grow as they should in the womb, or they may be born too early.
The other form is called classic. It usually starts in early childhood and isn't as severe as the antenatal form. But it can affect growth and cause developmental delays.
Gitelman syndrome is a subtype of Bartter syndrome. It tends to happen later -- usually from age 6 through adulthood.
Symptoms
Symptoms can be different for everyone, even for people with the same condition. Some common ones include:
Antenatal Bartter syndrome may be diagnosed before birth. It can be found if there are signs the baby's kidneys aren't working right or there's too much fluid in the womb.
Newborns with this form of the syndrome may pee very often and can have:
Once your child is diagnosed, their care may involve a team of specialists, including pediatricians, kidney experts, and social workers. To make sure they keep a healthy balance of fluids and other important things, one or several of these may be recommended:
Indomethacin, an anti-inflammatory drug that helps their body make less urine
Potassium-sparing diuretics, which help them keep potassium
RAAS inhibitors, which help keep them from losing potassium
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