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The following case is presented to illustrate the roentgenographic and clinical findings of a condition of interest to the orthopaedic surgeon. Initial history, physical findings, and roentgenographic examinations are found on the first page. The final clinical and roentgenographic differential diagnoses are presented on the following pages.
The objective of this study was to assess the correlation between hip flexion contracture (HFC) and the sagittal alignment of the lumbar spine in ambulatory children with myelomeningocele. Ambulatory patients with myelomeningocele are generally free of scoliosis or kyphosis. Among them, some develop increased lumbar lordosis. It is postulated that HFC and increased lumbar lordosis may be correlated. Thirty-eight patients, with a mean age of 12.7 years, were evaluated. Standing lateral spine films were obtained and the lumbar lordosis was measured using the Cobb method. HFC was measured using the Thomas test. A statistically significant correlation was found between the lumbar curve and HFC. High values of lumbar Cobb angle (hyperlordosis) were correlated with high values of HFC. These results show a correlation between HFC and increased lumbar lordosis in ambulatory myelomeningocele patients.
A 7-year-old boy with Schwartz-Jampel syndrome was evaluated for a mobility and seating device. Assessment results indicated reduced upper and lower extremity function due to tight stiff muscles, labored and slow movements, hip extension contractures, asthmatic and restrictive pulmonary disease, and normal intelligence. Due to the combination of severe musculoskeletal and pulmonary disease, he had not been able to attend school or interact normally with his environment. Ambulation for more than a few feet was precluded by reduced pulmonary capacity and stiff, slow muscle movements which did not improve with medication. Because of hip extension contractures, he could not sit upright in a chair. An Amigo electric cart with a modified straddle seat enabled the patient to sit upright, attend school, and explore his environment with greater mobility. The unit is simple to operate, adaptable, and cost effective.
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Rater reliability characteristics of four positioning techniques used to measure hip extension (prone hip extension, Thomas, Mundale, and pelvifemoral angle) were compared. Two raters examined 45 children (90 hips), including patients with spastic diplegia and with meningomyelocele, who are prone to developing hip flexion contractures, and healthy subjects. Retests were performed on 21 children. The least reliable readings in the cerebral palsy group were found from tests using the Thomas technique, and in the meningomyelocele group using the Mundale technique. The pelvifemoral angle is more time consuming, and no more accurate than other methods. Considering the ease of measurement, reliability and reproducibility, we recommend use of the prone hip extension test for patients with cerebral palsy and for those with meningomyelocele, and recommend the Thomas test as an alternative for nonspastic patients.
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Abduction contracture of the hip has been treated by two methods; the results of both have been compared. Modified Campbell's procedure has been performed in 5 children (6 hips). In 8 patients (9 hips) gluteal fascia and fibrotic scarring within the gluteal muscles has been transversely dissected. The mean follow-up was 26 months in either group. Dissection of the fascia and the scars resulted in doubled range of adduction and better cosmetic result compared to Campbell's method.
In severe cases of caudal-regression syndrome one usually can find hip-flexion and knee-flexion-contractures, which can hardly be treated. We report about a new possibility of operative treatment. In this case we correct the contractures with a shortening of the proximal part of the femur and with a resection-arthrodesis of the knee-joint. The clinical result, which we obtained by this way, allows the orthotic management with an orthoprosthesis. The maintaining mobility of the hip joint and the sitting-comfort is very sufficient.
Twenty-eight children were treated who had limited flexion of the hips and various degrees of contracture of the abductor and external rotator muscles because of fibrosis of the gluteus maximus muscle. Although the lesions could be classified as those associated with poliomyelitis, infection of the gluteus maximus muscle, and fibrosis of unknown etiology, all forty-five hips had a typical restriction of motion such that an affected hip could not be flexed in the usual sagittal plane, but had to be flexed in abduction. Poliomyelitis may have been adjunctive to the causative factor of the lesion in some cases but the probable primary etiology was multiple intramuscular injections. Excellent correction of the hip contracture was achieved in all patients by division of the fibrotic bands.
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