Biomedical subjects

J F Ritterbusch

Publications and source records attributed to J F Ritterbusch.

6 recordsLinked to original sources

PubMed1997

Natural history of distal spinal agenesis.

We studied the natural course in patients with distal spinal agenesis (DSA). Specifically, we compared children with different types of DSA (Renshaw sacral agenesis types I-IV) and determined their maximum ambulatory abilities, identified patients at risk for decubiti, determined the average number of operations per patient, described associated congenital anomalies, and sought a correlation between different types of DSA and the risk of back pain and development of scoliosis. Through a retrospective analysis, we concluded that there are definite correlations between the specific type DSA and the natural course with regard to all these entities.

Adolescent↗

PubMed1994

A newborn with bilateral hip flexion contractures and clubfeet.

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.

Abnormalities, Multiple↗

PubMed1991

Magnetic resonance imaging for stenosis and subluxation in Klippel-Feil syndrome.

Magnetic resonance imaging and radiographs in neutral flexion and extension were used to evaluate 20 pediatric Klippel-Feil patients for subluxation and stenosis. Radiographs showed subluxation of 5 mm or greater in 5 (25%) of the 20 patients for an incidence of 25%. Magnetic resonance imaging documented stenosis of 9 mm or less below C1 in 5 (25%) of the 20 patients. Cord abnormalities were discovered in three (12%) of the patients: one hydromyelia with Arnold-Chiari I malformation and diplomyelia in two. The incidence of stenosis and subluxation was higher than the literature would suggest in this pediatric population. Magnetic resonance imaging is a useful tool and should be used to evaluate Klippel-Feil patients for cord abnormalities and cord compression.

Adolescent↗

PubMedDate not supplied

Pyomyositis in children.

Bacterial infections of muscle, also known as pyomyositis or tropical pyomyositis, occur more commonly in tropical regions. This article reviews five cases of pyomyositis diagnosed in children over a 1-year period. Pyomyositis should be considered in the differential diagnosis of septic-appearing children as well as children complaining of joint pain or muscle aches. The diagnosis can be aided with either a computed tomography (CT) or magnetic resonance imaging (MRI) scan. The MRI is preferable because multiple processes can be evaluated, such as joint effusion suggesting septic arthritis. If the patient does not respond quickly to antibiotics and surgical intervention, either there is a recurrence of the previously debrided abscess, or there is an unrecognized secondary abscess. Multiple abscess sites should be entertained prior to initial debridement.

Abscess↗

PubMedDate not supplied

Radiodense lines and subclinical infection in pediatric hip surgery.

A subtle radiolucency with surrounding sclerosis was seen in 14 of 129 hip implant removals in 90 children. Five of these implants were cultured, and all five grew Staphylococcus epidermidis. The other nine were not cultured. None of the 14 had sequela. These radiographic findings should prompt suspicion of infection even in the absence of clinical or laboratory findings; they should also prompt hardware removal.

Child↗

PubMedDate not supplied

Comparison of lateral pillar classification and Catterall classification of Legg-Calvé-Perthes' disease.

To compare the predictive value of the Herring lateral pillar and the Catterall classifications of Legg-Calvé-Perthes' disease, 71 hips with radiographic follow-up to maturity were reviewed. The Herring classification was a significantly better predictor of Stulberg outcome than the Catterall classification. Three independent observers classified early fragmentation stage films by both Herring and Catterall classifications. The interobserver reliability of the Herring classification was significantly better than the reliability of the Catterall measure.

Hip Joint↗