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Congenital dislocation of the hip and its relation to swaddling used in Turkey.

A screening program was initiated and performed at five hospitals in Konya, Turkey from 1988 to 1990. Four thousand one hundred seventy-three infants aged 3-24 months were examined. With this study, we hoped to determine the incidence of and contributing factors to the etiology of congenital dislocation of the hip (CDH) in the central region of Turkey. The overall CDH incidence was 1.34%. CDH occurred about three times more often among girls than boys (40 girls vs. 16 boys). No infant with CDH had been delivered by Cesarean section or breech presentation. No teratologic CDH was detected. The relationship between CDH and swaddling (bundled in extension and adduction) was statistically significant.

Culture↗

An evaluation of the adequacy of health visitor education for neonatal hip screening.

Congenital dislocation of the hip (CDH) affects two children per 1000, with potentially serious consequences. Student health visitors in Northern Ireland learn screening techniques for CDH at a half-day workshop at a regional hospital. In order to evaluate the adequacy of this preparation, 71 qualified health visitors were surveyed to assess their knowledge relating to CDH, their views on the adequacy of the training, and their opinions about referral of positive cases. Knowledge in some areas was poor and preparation was considered too short. Direct referrals of positive cases to orthopaedic clinics, without a general practitioner acting as an intermediary, was a frequently cited desire. Recommendations include extending the training for those involved in CDH screening while ensuring that experienced health visitors, from whom novices learn, are themselves using correct procedures.

Attitude of Health Personnel↗

Treatment of the irreducible hip.

"Irreducible" congenital dislocation of the hip should not be regarded as a special pathological entity. Thirty-eight cases with a previous and failed treatment attempt were reviewed. Recognition of the renal cause of "irreducibility" (iatrogenic or anatomopathological) and institution of an appropriate treatment protocol result in adequate reduction in the vast majority of cases. However, osteochondritis is not an uncommon finding when the results of secondary treatment are evaluated. The percentage of more severe cases is higher after open procedures.

Hip Dislocation, Congenital↗

Safety seat use for children with hip dislocation.

Treatment of children with congenitally dislocated hips requires that an infant be placed into a plaster spica cast for a duration of 3 to 12 months. Because the use of a safety seat is difficult, if not impossible, for children fitted with a brace or spica cast, a solution for safe transportation was developed. A Century child restraint model 100 or the Century model 300 was selected as appropriate for modification. Seat padding was removed from the lower sides of the plastic shell, and the shell was cut. The seat padding was replaced and taped tightly to the outer side of the shell. An impact test of the modified safety seat at the University of Michigan Transportation Research Institute indicated that the modification of the shell did not compromise the performance of the restraint system. Seats with this modification have been loaned to children treated at the James Whitcomb Riley Hospital for Children with satisfactory results.

Casts, Surgical↗

Late acetabular dysplasia following early successful Pavlik harness treatment of congenital dislocation of the hip.

We present the long-term results of Pavlik harness treatment in 61 patients with 74 affected hips. At the beginning of treatment, the hips were either dislocated and reducible or dislocated and irreducible. The average age of patients at follow-up was 12 years (range, 10-16 years). At 3- and 5-year follow-up, all of the hips appeared radiographically normal. However, at latest follow-up, 17% of the hips demonstrated changes in the acetabulum (an upward tilt of the outer portion of the acetabular roof or sclerosis in this area). This study emphasizes the importance of continued follow-up until patients treated for congenital dislocation of the hip reach skeletal maturity.

Acetabulum↗

[Treatment of congenital dislocation of the hip in older children (author's transl)].

In children who are older than three years the obstacles of reduction can be overcome without danger for the blood supply of the femoral head only by operative measures. It stands the test to combine open reduction with the nearly always necessary correction of the dysplastic acetabulum, the shortening of the femur and derotating osteotomy. The results definitely depend on the individual indication and the operating technique. In cases of severe dysplasia of the acetabulum the acetabuloplasty shows better results in correction and reduction of the hip joint than Salter's osteotomy. Chiari's osteotomy of the pelvis should be taken into consideration only in such special cases with residual subluxation or with an extreme flat acetabulum. The follow up of 67 congenital dislocations of the hip in children aged between three and thirteen years shows, that operative treatment of bilateral luxation is indicated in patients between three and six years of age and unilateral luxation up to the age of adolescence.

Age Factors↗

Surgical correction of congenital dislocation of the hip in children aged two to six years.

We report on a consecutive series of 68 children, between the ages of two and six years, with 97 neglected dislocated hips. The standard treatment consisted of traction, open reduction and innominate osteotomy. The results were satisfactory in most cases and the number of complications decreased significantly with improved surgical techniques. Additional operations, such as femoral varisation derotation osteotomy or Colonna arthroplasty, were performed only in exceptional cases for the treatment of complications. The treatment of neglected congenital dislocation of the hip after the patient has begun walking is a difficult orthopedic problem and and uniformly good results cannot be expected. Open reduction and innominate osteotomy appear to be the best form of treatment in the age group studied.

Child↗

Pathology of the limbus in untreated teratologic congenital dislocation of the hip. A case report of a ten-month-old- infant.

A dislocated hip in a 10-month-old infant with multiple congenital anomalies was examined postmortem. The true acetabulum was filled with areolar tissue and the acetabular articular cartilage was covered by fibrous pannus. The secondary acetabulum consisted of fibrous capsular tissue lined by synovial cells. A lip of new fibrous tissue, the limbus, grew over the cartilaginous labrum of the true acetabulum in juxtaposition to the dislocated femoral head.

Abnormalities, Multiple↗

The epidemiology of diseases of the hip: a review of the literature.

Diseases of the hip are significant public health problems. Fractures and osteoarthrosis of the hip are common in older age-groups, while congenital dislocation of the hip, Legg-Calvé-Perthes disease, and slipped epiphysis affect a certain proportion of infants, children, and adolescents. The distribution of these five common hip diseases in the population is reviewed, aetiological hypotheses are discussed, and gaps in knowledge identified. Particular attention is focused on the roles of mechanical stress and hormones, since there is evidence for the involvement of one or both of these factors in the aetiology of each of the diseases. Many characteristics of their descriptive epidemiology have still to be explained, however, and it is clear that more research is needed.

Epiphyses, Slipped↗

Hip arthrography in the skeletally immature.

One hundred forty-six arthrograms were performed in 130 children. Forty-two studies were bilateral, constituting a total of 188 injected hips. The majority of the studies were done for congenital dislocation of the hip, Legg-Calvé-Perthes disease and septic pyarthrosis. Using the medial approach and fluoroscopic control, only three attempts were unsuccessful. None of the hips which were subsequently explored surgically showed ill effects from the injection. The addition of simulated weight-bearing and abducted and internally rotated views provides more accurate information in determining adequacy of femoral head containment.

Arthritis, Infectious↗

[Treatment of congenital dislocation or subluxation of the hip taken from personal material--factors determining the course and result of treatment].

A series of 65 children (130 hips) treated for congenital dislocation or subluxation of the hip with Pavlik harness been retrospectively reviewed. All patients were managed by the same physician and according to previously established principles. Mean follow-up after the termination of treatment was 7.5 months. Age at the onset of treatment and initial state of the hip were recognized as two major factors influencing the course and result of treatment. It was found, that the harness treatment is best initiated in first 9 weeks after birth and even a few weeks delay may seriously affect its efficacy. A dynamic index on alfa angle changes on serial ultrasound images of the hip (Graf method) has been introduced.

Age Factors↗

[Screening and diagnosis of hip instability in newborn infants].

Instability is the clinical sign that characterizes congenital dislocation of the hip. The methods used to detect hip instability do not all have the same value, and snapping is only an accessory and inconstant sign. In case of doubt, ultrasonography with dynamic test may be a useful complement to clinical examination. The natural course of the disease being unpredictable, treating all dislocated hips seems to be justified. The author discusses the risks and reliability of clinical examination and the criteria of hips at risk of dislocation to conclude in favour of clinical detection.

Hip Dislocation, Congenital↗