Developmental hip dysplasia Health Dictionary

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Developmental Hip Dysplasia: From 1 Different Sources

A disorder present at birth in which the head of the femur (thigh-bone) fails to fit properly into the cup-like socket in the pelvis to form a joint. One or both of the hips may be affected.

The cause of developmental hip dysplasia is not known, although it is more common in girls, especially babies born by breech delivery or following pregnancies in which the amount of amniotic fluid was abnormally small.

If dislocation is detected in early infancy, splints are applied to the thigh to manoeuvre the ball of the joint into the socket and keep it in position. These are worn for about 3 months and usually correct the problem. Progress may be monitored by ultrasound scanning and X-rays. Corrective surgery may also be required.

If treatment is delayed, there may be lifelong problems with walking. Without treatment, the dislocation often leads to shortening of the leg, limping, and early osteoarthritis in the joint.

Health Source: BMA Medical Dictionary
Author: The British Medical Association

Dysplasia

Abnormal tissue growth...classically midway between hyperplasia (overgrowth) and neoplasia.... dysplasia

Fibrous Dysplasia

A rare disease in which areas of bone are replaced by ?brous tissue (see CONNECTIVE TISSUE). This renders the bone fragile and liable to fracture. It may involve only one bone – usually the thigh bone or FEMUR – or several bones. This latter form of the disease may be accompanied by pigmentation of the skin and the early onset of PUBERTY.... fibrous dysplasia

Developmental Delay

A term used if a baby or young child has not achieved new abilities within the normal time range. Normally, new abilities and new patterns of behaviour appear at given ages, and existing patterns of behaviour change and sometimes disappear (see child development).

Delays vary in severity and may affect the development of hand–eye coordination, walking, listening, language, speech, or social interaction. Delay may first be noticed by parents or detected during a routine developmental check.

There are many causes of developmental delay. A child who is late in most aspects of development usually has a generalized problem. This may be due to severe visual or hearing impairment, limited intellectual abilities (see learning difficulties), or damage to the brain before, during, or after birth.

Specific areas of delay may occur in movement and walking. Often there is no serious cause. However, specific causes may include muscular dystrophy and spina bifida. Delay in developing manipulative skills is often due to lack of adequate stimulation.

A lack of response to sound may be due to deafness. Autism is a rare cause of unresponsiveness to the human voice although hearing is normal. A hearing problem may cause delayed speech. Twins are often late talkers. Any generalized difficulty with muscle control can affect speech production; this may occur in children with cerebral palsy. Damage to, or structural defects of, the speech muscles, larynx (voice box), or mouth may also cause speech difficulties, as may any disorder affecting the speech area of the brain (see aphasia; dysarthria; dysphonia; speech disorders). Delay in bladder and bowel control have many possible causes (see encopresis; enuresis; soiling).

A child who shows signs of developmental delay should undergo a full assessment by a paediatrician.... developmental delay

Developmental Disability

A severe, chronic disability which is attributable to a mental or physical impairment or combination of mental and physical impairments; is manifested before the person attains the age of 22; is likely to continue indefinitely; results in substantial functional limitations in three or more of the following areas of major life activity: self care, receptive and expressive language, learning, mobility, self direction, capacity of independent living, economic self-sufficiency; and reflects the person’s need for a combination and sequence of special, interdisciplinary or generic care treatments or services which are of lifelong or extended duration and are individually planned and coordinated.... developmental disability

Hip Dysplasia, Developmental

See developmental hip dysplasia.... hip dysplasia, developmental

Bronchopulmonary Dysplasia

a condition, seen usually in premature babies as a result of *respiratory distress syndrome, requiring prolonged treatment with oxygen beyond the age of 28 days. The babies have overexpanded lungs, which on X-rays show characteristic changes. Management consists of oxygen support and treating infections. Recovery is slow, sometimes over several years, but most babies do recover.... bronchopulmonary dysplasia

Developmental Disorder

any one of a group of conditions in infancy or childhood, that are characterized by delays in biologically determined psychological functions, such as language. They are more common in males than females and tend to follow a course of disability with gradual improvement. They are classified into pervasive conditions, in which many types of development are involved (e.g. *autism), and specific disorders, in which the disability is an isolated problem (such as *dyslexia).... developmental disorder

Developmental Milestones

skills gained by a developing child, which should be achieved by a given age. Examples of such milestones include smiling by six weeks and sitting unsupported by eight months. Failure to achieve a particular milestone by a given age is indicative of *developmental delay. See table.... developmental milestones

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