Carbamoyl phosphate synthetase I deficiency
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Dados do National Institutes of Health
| Carbamoyl phosphate synthetase I deficiency : Carbamoyl phosphate synthetase I deficiency is an inherited disorder that causes ammonia to accumulate in the blood (hyperammonemia). Ammonia, which is formed when proteins are broken down in the body, is toxic if the levels become too high. The brain is especially sensitive to the effects of excess ammonia. In the first few days of life, infants with carbamoyl phosphate synthetase I deficiency typically exhibit the effects of hyperammonemia, which may include unusual sleepiness, poorly regulated breathing rate or body temperature, unwillingness to feed, vomiting after feeding, unusual body movements, seizures, or coma. Affected individuals who survive the newborn period may experience recurrence of these symptoms if diet is not carefully managed or if they experience infections or other stressors. They may also have delayed development and intellectual disability. In some people with carbamoyl phosphate synthetase I deficiency, signs and symptoms may be less severe and appear later in life. | |
| Review Date: 01/02/2013 | Updated By: |