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Adrenogenital syndrome

Congenital adrenal hyperplasia (CAH) refers to any of several autosomal recessive diseases resulting from defects in steps of the synthesis of cortisol from cholesterol by the adrenal glands. Most of these diseases involve excessive or defective production of sex steroids and can pervert or impair development of primary or secondary sex characteristics in affected infants, children, and adults. more...

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Only a small minority of people with CAH can be said to have an intersex condition, but this attracted American public attention in the late 1990s and many accounts of varying accuracy have appeared in the popular media.

Examples of problems caused by various forms of CAH:

  • ambiguous genitalia such that it is difficult to determine sex
  • vomiting leading to dehydration and death in early infancy
  • early pubic hair and rapid growth in childhood
  • precocious puberty or failure of puberty to occur
  • excessive facial hair, virilization, and/or menstrual irregularity in adolescence
  • infertility due to anovulation

Overview of the multiple types of CAH

Cortisol is an adrenal steroid hormone necessary for life; production begins in the second month of fetal life. Inefficient cortisol production results in rising levels of ACTH, which in turn induces overgrowth (hyperplasia) and overactivity of the steroid-producing cells of the adrenal cortex. The defects causing adrenal hyperplasia are congenital (i.e., present at birth).

Cortisol deficiency in CAH is usually partial, and not the most serious problem for an affected person. Synthesis of cortisol shares steps with synthesis of mineralocorticoids such as aldosterone, androgens such as testosterone, and estrogens such as estradiol. The resulting excessive or deficient production of these three classes of hormones produce the most important problems for people with CAH. Specific enzyme inefficiencies are associated with characteristic patterns of over- or underproduction of mineralocorticoids or sex steroids.

In all its forms, congenital adrenal hyperplasia due to 21-hydroxylase deficiency accounts for about 95% of diagnosed cases of CAH. Unless another specific enzyme is mentioned, "CAH" in nearly all contexts refers to 21-hydroxylase deficiency.

  • Severe 21-hydroxylase deficiency causes salt-wasting CAH, with life-threatening vomiting and dehydration occurring within the first weeks of life. Severe 21-hydroxylase deficiency is also the most common cause of ambiguous genitalia due to prenatal virilization of genetically female (XX) infants.
  • Moderate 21-hydroxylase deficiency is referred to as simple virilizing CAH; and typically is recognized by causing virilization of prepubertal children.
  • Still milder forms of 21-hydroxylase deficiency are referred to as non-classical CAH and can cause androgen effects and infertility in adolescent and adult women.

CAH due to deficiencies of other enzymes than 21-hydroxylase present many of the same management challenges as 21-hydroxylase deficiency, but some involve mineralocorticoid excess or sex steroid deficiency.

Read more at Wikipedia.org


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Raising a child with special needs
From OB/GYN News, 5/15/05 by Doug Brunk

It's been 10 years since Elyse May was born with congenital adrenal hyperplasia, but her mother, Michelle May, M.D., remembers the experience as if it were yesterday.

While Dr. May suspected her daughter had congenital adrenal hyperplasia, adrenal disorders "are not my area of specialty, so my husband ran to the medical library for books that might help," recalled Dr. May, a family physician who practices in Phoenix, Ariz. "There I was, having given birth about 12 hours before and reading medical textbooks in my hospital bed."

Once the diagnosis was confirmed, Dr. May and Elyse were discharged home without starting treatment. The endocrinologist told her it was unclear whether Elyse had the mild form of the disease or the severe form. "He said that if we started to treat the mild form, it would mask the severe form." Dr. May said. Then the endocrinologist went out of town.

Once home, Elyse began vomiting and she became jaundiced and dehydrated. "By the time they decided to start her on the steroids, she was so sick that we put her in the hospital for 3 days," said Dr. May. "We really did almost lose her. It was very scary to be a patient in that situation. I couldn't get anyone to listen to me about how sick she was until I finally begged them to let me take her into the hospital. The doctor there said that she probably could have died within 12 hours."

Today, Elyse manages her condition by taking oral steroids three times daily. She wears a MedicAlert bracelet that attracts interest from her peers at school.

"Kids are starting to ask, 'Why do you wear that?'" Dr. May said. "She doesn't want to stand out. She doesn't want to be different. Because of the nature of her condition, if she goes to a sleepover or a birthday party, I have to let parents and other caretakers know about the potential seriousness if she does become ill or injured. I tell them you have to make a double effort to notify us if something happens because she could die of this if she's not treated appropriately."

While the prognosis is excellent for Elyse "as long as she never has an adrenal crisis that is mismanaged, we still have to make sure we do the follow-up appointments and the routine blood work," Dr. May said. "I am now more empathetic to patients who have chronic medical conditions that require a lot of attention. It's easy to get into a role of complacency, or you get busy and you don't do what you should right on time."

Mark Heinz-Graham has a different set of special needs. Born with a moderate range of intellectual functioning, the 27-year-old currently reads at the pre-first grade level, "although he's very motivated to learn how to read," said his mother, Lee Combrinck-Graham, M.D., a psychiatrist who practices in Fairfield County, Conn. "In fact, he has just started with a reading teacher who hopes that now that he is an adult, there are more strategies for helping him to learn. Numbers are elusive [to Mark]. Math is not in his repertoire."

She noted that Mark relishes his fulltime job as a grocery store bagger. He also likes to watch TV, play computer games, swim, play the drums, and listen to opera. "He's also in an art class," she said. "He's learning to be more deliberate, careful, and thoughtful."

She said the most difficult part about having a child with special needs is observing the social isolation that occurs. "For example, they can go to a birthday party with regular kids or with special-needs kids. But somehow their participation in it or their 'getting it' is at a different level, so they're sort of on the fringes," Dr. Combrinck-Graham explained.

She added that families of special-needs children "shouldn't feel ashamed or try to hide their kid and shouldn't feel reluctant to invite people in to help. For instance, Mark is fairly independent. Sometimes we go away overnight and might say to one of our friends, 'Would you give him a call and say hi and see if he's alright?' Or sometimes when we go away someone will stay with him in the house. We do this so he has a larger circle of people paying attention to him while we're away. I've met some parents [of special-needs children] who say, 'Nobody would want to do that for my child.' That's not true. People really do want to know what to do, so they need to be included with your friends and family. Raising this child, loving this child, and making this child feel welcome is a collective activity. None of the tasks should be assigned to just one person."

Dr. Combrinck-Graham noted that it took a while for her own mother to accept Mark as he became an adult. "She likes to have intellectual conversations and she constantly displayed disappointment [in him], which I don't even think she was aware of," she said. "I finally said to her, 'He's not what you wanted him to be, but he is who he is. You're missing out on a great opportunity, so why don't you get over it?' Now, most of the time she's really getting a kick out him."

Elisa Nicholas, M.D., reiterated the importance of focusing on the assets of a child with special needs. But she pointed out that the competitive, achievement-focused culture of medicine can pose a challenge to that effort.

"If you sit around a doctor's dining room and everybody's talking about their over-achieving child, and you're simply trying to get your child to walk and talk, it is very difficult," said Dr. Nicholas, whose 16-year-old son, Tom, has cerebellar ataxia. He copes with difficulty walking, general coordination problems, and cognitive challenges.

Tom--the first physically challenged student to be fully integrated into the Hermosa Beach (Calif.) School District--wears braces on his feet and uses a walker, crutches, or a wheelchair for mobility. "He can dress himself, but he will never be able to put his braces on by himself," said Dr. Nicholas, a pediatrician who directs The Children's Clinic, Serving Children and Their Families, a system of six not-for-profit community health centers in Long Beach, Calif. "He's always going to need some assistance."

When Tom was diagnosed with the condition at age 16 months, "we were all depressed and frightened in not knowing what the future might hold," she said. "It's difficult because I think most physicians to some extent are able to control their destiny. [the idea that] if you work hard enough you can achieve something. But in these kinds of situations, you're not in control."

She knows the caregiver role consumes many parents. "I think trying to achieve a balance is truly a great challenge," she said. "I want Tom to reach his greatest potential. If that means I have to make personal sacrifices, I will do that. But it's very difficult to find that balance, because it can become all-consuming. While it can become all-consuming, it is imperative to take time for yourself, your spouse, and your other children."

Dr. Nam Nguyen can identify with that notion. His 4-year-old daughter, Uyen, was diagnosed with autism when she was 18 months old. "Any activity we do at home is tailored or geared to part of therapy," said Dr. Nguyen, chief of the division of pediatric surgery at the University of California, Irvine. "We put signs and toys in every room. Everywhere we go, every setting is a therapy for her. It's very much a constant thing."

He credits his wife, Lan Nguyen, M.D., with providing the bulk of Uyen's therapy. She left her full-time anesthesiology practice to care for Uyen, and now works just 2 days a week. She spends the rest of her time at home engaged in exercises to help cultivate Uyen's communication skills and reading skills, and taking her to weekly speech therapy appointments.

While support for parents of special-needs children can often be found through forums tied to a social service agency, hospital, advocacy group, or on the Internet, sometimes it comes out of the blue. For example, The Children's Clinic serves 80% of the most severely disabled low-income children in the Long Beach area. In an effort to bond with her patients, Dr. Nicholas tells patients about Tom and her family and she asks about their family. One of her patients has three children who are moderately or severely mentally handicapped.

"She always remembers to ask about my son," Dr. Nicholas said. "She struggles financially and carries a huge burden and responsibility for her children. It's amazing she can actually think about somebody else."

"You're going to have different phases in working with your child with special needs," Dr. Nicholas said. "Help them reach their greatest potential and accept them for who they are. I think all parents need to do that. But I think when you have a special-needs child you're forced to do that earlier. Be grateful for who your child is."

RELATED ARTICLE: Helpful Reading

The following books may be helpful to physicians who have children with special needs:

* "You Will Dream New Dreams: Inspiring Personal Stories by Parents of Children With Disabilities," edited by Stanley D. Klein, Ph.D., and Kim Schive (New York: Kensington Publishing Corp., 2001).

* "Special Children, Challenged Parents: The Struggles and Rewards of Raising a Child With a Disability," by Robert A. Naseef, Ph.D. (Baltimore: Brookes Publishing Co., 2001).

* "Uncommon Fathers: Reflections on Raising a Child With a Disability," edited by Donald J. Meyer (Bethesda, Md.: Woodbine House, 1995).

* "Since Owen: A Parent-to-Parent Guide for Care of the Disabled Child," by Charles R. Callanan (Baltimore: Johns Hopkins University Press, 1990).

* "A Difference in The Family: Living With a Disabled Child," by Helen Featherstone (New York: Penguin Books, 1981).

Doug Brunk, San Diego Bureau

COPYRIGHT 2005 International Medical News Group
COPYRIGHT 2005 Gale Group

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