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Neonatology
Brief Definitions
Bronchopulmonary
dysplasia (BPD) - the most frequently diagnosed
chronic lung syndrome in preterm infants. BPD is most often
defined by the number of days of supplemental oxygen required
and representative x-ray findings. For a detailed discussion
of BPD, refer to FOR
PARENTS OF PREEMIES, a guide prepared by the University of Wisconsin
and the Center for Perinatal Care at Meriter Hospital.
Cerebral Palsy - a diagnosis
that there has been some injury to the brain during development
which has resulted in difficulty transmitting the necessary impulses
from the brain to the muscles for coordinated movement. For
a diagnosis of CP, the following are necessary: 1) motor skills
must be adversely affected, 2) the motor impairment has to
be due to a neurological injury, 3) the injury or lesion must
be static (not getting worse, but no longer resolving), 4)
the injury has to occur while the motor system is still developing
(usually before, during, or right after birth), and 5) the
impairment in movement does not resolve with time. For a more
complete discussion of motor problems in the preterm infant, see
http://www.comeunity.com/disability/cerebral_palsy/cerebral
palsy.html.
Disability - refers
to any restriction or lack of ability to perform an activity in
the manner or within the range considered normal. ( Note - "Disability"
is defined by specific criteria for purposes of eligibility in various
different program. It is possible to meet the criteria for
"disability" under one program and not under another.)
Click here for examples of how disability,
impairment and handicap differ.
Handicap -
a disadvantage for a given individual, resulting from an impairment
or a disability, that limits or prevents the fulfillment of a role
that is normal (depending on age, sex, and social and cultural factors)
for that individual. Click here
for examples of how disability, impairment and handicap differ.
High-Risk
- is used to refer to a group with an increased statistical probability
of developing a condition. Certain medical complications
increase the likelihood of a child having developmental difficulties.
That is, a child with one or more of these medical complications
is more likely to have some developmental difficulty than children
without medical complications. When a childs chances
of developing any problem are increased, they are said to be at
higher "risk" for this problem. Children are identified
as being at "high-risk" for developmental difficulties
if they experience problems before, during, or after birth that
are known to be associated with developmental problems.
Hyperextension and stiffness
of the lower extremities - refers to a straightening with
tightness or resistance to movement of the ankles, knees and/or
hips. (When you try to move your childs legs it feels
as though she is always fighting against you. In other words,
it is hard to bend or flex your childs ankles, knees or hips.)
The child may frequently hold the legs extended (straight), or may
go up on the toes when held in a standing position. Some
children who were born prematurely have tightness of the lower extremities
early in the first year of life that gradually disappears.
For some children, physical therapy may be recommended. These
early motor difficulties resolve by eighteen months corrected age
for most children. For a small number of children the tightness
does not go away and is a sign of a more serious motor problem.
IEP (Individualized Education Plan)
- is the tool used by the public school system to guide a
childs educational program. It is developed by the parents
and the school system. The IEP differs from the IFSP in that
its focus is the educational needs of the child. The goals
and objectives stated in the IEP should focus on offsetting or reducing
the problems resulting from the childs disability that interfere
with learning and educational performance. A child will not
be placed in a public school special education program until the
IEP is in place.
IFSP (Individualized Family Service
Plan) - refers both to a process and a written document. The
process starts at the time of a referral to Early Intervention (Babies
Cant Wait in Georgia) and includes many of the activities
that must take place in order to write the document. At the
meeting during which the IFSP is written, the parents, other involved
individuals ( therapists, psychologists, social workers, etc.) and
the Babies Cant Wait (BCW) Service Coordinator will work together
to identify a childs strengths and weaknesses and make plans
to bring into use appropriate activities and interventions that
will help a child progress toward desired outcomes. The IFSP
is to be in place 45 days after the BCW referral. The IFSP
is reviewed and updated at least every 6 months, but it can be changed
whenever the family or the team feels it is necessary. Services
through BCW cannot be provided until an IFSP is in place. In
order for a servce to be coverered under the BCW program, it must
be included in the IFSP.
Impairment
- is a term used when there is any loss or abnormality of psychological,
physiological, or anatomical structure or function. (Note:
an impairment does not necessarily result in a "disability"
or "handicap" -- click here for examples.)
Inclusion
- this is a term used to describe programs where children with disabilities
are "included" in regular programs alongside their typical
same aged peers.
Intraventricular hemorrhage (IVH)
- the most common form of brain bleed in preterm infants. "Intraventricular"
refers to the area of the brain lining the ventricular system.
(click here for an article on IVH)
Learning Disability
- refers to a significant difficulty in learning which is presumed
to have its origin in central nervous system dysfunction.
The learning difficulty may be in a very specific area, including
acquisition and use of listening, speaking, reading, writing, spelling,
reasoning, memory or mathematical abilities, or it may involve difficulty
in some combination of these areas. Social skills and/or self-regulatory
behaviors (e.g., attention) may also be impaired. For more
information on learning disabilities, see http://novel.nifl.gov/nalld/insert.htm
Mental Retardation
- Mental retardation refers to an impairment in general intellectual
functioning, together with global deficits in other life skills,
which must develop before age 18. There is a very wide range
of functioning for people with different levels of mental retardation.
Prematurity is NOT a major cause of mental retardation, but children
born extremely premature are much more likely to develop mental
retardation than children born healthy at term. Several conditions
associated with prematurity increase a childs risk for mental
retardation. These include neurological injury (e.g., intraventricular
or periventricular hemorrhage, hypoxic injury around the time of
birth) and various early infections. Children with early developmental
delay are considered "at risk" for mental retardation,
but the diagnosis of mental retardation is not appropriate unless
and until it becomes apparent that the child will not fully recover
from the delay in development.
Necrotizing Enterocolitis(NEC)
- is a disorder characterized by necrosis (death) of areas of the
intestine. Neither the exact predisposing causes nor the mechanisms
involved in its development are known. There are many factors
thought to play a role in the development of NEC. Two examples
of these factors are: a decrease in blood flow to the intestinal
tract and infection. The very small and asphyxiated preterm
is at greatest risk of developing NEC. However, it has been
diagnosed in full-term and small for gestational age babies.
Depending on severity, treatment includes a spectrum from resting
the intestine and administering antibiotics, to surgical intervention.
See the NEC page on the FOR
PARENTS OF PREEMIES website for further information on NEC.
Periventricular
Leukomalacia (PVL) - cell death of the white matter
behind and to the side of the lateral venticals resulting from insufficient
oxygen to that part of the brain. See the PVL page on
the FOR
PARENTS OF PREEMIES website for further information on PVL.
Retinopathy of Prematurity (ROP)
- a condition in which the blood vessels in the retina develop abnormally.
ROP is most common in babies born more than 12 weeks early.
The growth of blood vessels in the retina is normally completed
just a few weeks before full-term delivery, and when babies are
born before this process is complete, the blood vessels may grow
and branch abnormally, sometimes causing the inner lining of the
retina to be pulled away from the outer lining. For additional
information, follow this link: ROP
Shoulder
Retraction - describes the placement of a child's shoulders
drawn back with the elbows bent, and hands held up by the shoulders.
This is a commonly preferred position seen in children with respiratory
problems. This position helps the child to expand the chest
in an attempt to take in more air. This can interfere with
the use of her hands for exploration. It may also slow
down exploration of toys and developing an interest in reaching.
In addition, shoulder retractions can cause a child to arch
back slightly when placed in an upright position, which can interfere
with balance for sitting and standing.
Transition
- refers to movement or change from one condition, place, or activity
to another. "Transition" is often used to describe
the process involved as a child moves from the Babies Can't Wait
system at age 3 years to the next appropriate education program
(public schools, pre-K programs, private child development or kindergarten
programs, etc).
Weak Tone or Low
Tone - is a term used to describe an infant or
young child who offers very little resistance against you when you
move the ankles, knees and/or hips, the baby feels too "loose."
Generally the child displays no abnormal movement patterns, yet
cannot yet sit independently or push up on her hands and knees in
a crawling position for more than a few seconds without collapsing
down onto her belly.
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