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Biomedical subjects

H Carty

Publications and source records attributed to H Carty.

At least 55 records · Page 3Linked to original sources

Focal electroencephalographic abnormalities and computerised tomography findings in children with seizures.

A persistent focal abnormality was observed in 157 (16%) electroencephalograms undertaken in 964 consecutive children with epileptic and non-epileptic seizures seen over one year. CT head scans were performed in 121 (77%) of the 157 children with a focus on the EEG; 26 (21%) showed an abnormality, and 21 (81%) of the abnormalities were localised. There was no difference in the proportion of abnormal scans associated with a delta or slow wave focus compared with a spike or sharp wave focus. An abnormal scan was uncommon after a single seizure. In only two patients (1.7% of all scans) did the findings on CT alter or greatly influence subsequent management.

Adolescent

Pyogenic sacroiliitis, the missed diagnosis?

Pyogenic sacroiliitis is considered to be an uncommon infection, which is often diagnosed late because of poor localization of symptoms and normal plain radiographs at presentation. Nine cases aged between 20 months and 14 years who presented with sacroiliitis over a 7 year period are reviewed retrospectively. Isotope bone scanning is a useful technique in establishing early diagnosis and its relationship to other diagnostic imaging modalities is discussed. By routinely obtaining views of the entire pelvis in children presenting with hip pain and a limp, pyogenic sacroiliitis may be detected more frequently.

Adolescent

Case report: child abuse--necklace calcification--a sign of strangulation.

Strangulation has been postulated as one cause of cerebral hypoxia in child abuse. This report describes the finding of necklace calcification in an infant with rib fractures and a metaphyseal fracture and an admission of a shaking injury. The calcification is likely to represent fat necrosis as the result of strangulation.

Calcinosis

Femoral stress fractures in children.

Stress fractures reported in the medical literature almost exclusively affect young athletes, military recruits and patients with metabolic bone disease. The classification of stress-induced bone injury is somewhat confused and includes "fatigue" stress fractures which occur in previously normal bones and "insufficiency" stress fractures which occur in bones weakened by various causes. Femoral stress fractures in children are extremely rare, and we report 5 cases in young patients who sustained their injuries during the course of normal play activities. It is well-known that these lesions can simulate malignant lesions; however, we believe that careful review of the radiographs in the context of the clinical history can in many cases lead to the correct diagnosis being made and obviate the need for further intervention.

Adolescent

The role of ultrasound and isotope scanning in the management of irritable hips.

Patients (n = 181) with the irritable hip syndrome were reviewed. Four of these were found to have Perthes disease and 3 cases had septic arthritis. Ultrasonography provides accurate information as to the presence or absence of an effusion in children with an irritable hip syndrome. The likelihood of a positive result is higher in the early course of the disease process (i.e. within 3 days). Bone scanning, if done routinely will help in the early diagnosis of Perthes disease. Recurrence of the symptoms occurred in 18% of patients and most of them were within 12 months of the first onset of symptoms.

Adolescent

Endoscopy-guided balloon dilatation of esophageal strictures and anastomotic strictures after esophageal replacement in children.

This study evaluates the safety, efficacy, and technical problems of the new technique of endoscopy-guided balloon dilation (EGBD) in the treatment of strictures of the esophagus and its replacement. Between 1986 and 1990, the authors treated 33 children (aged 3 weeks to 20 years) with EGBD; 18 had esophageal strictures (primary esophageal atresia repair, 13; reflux esophagitis, 5), 13 had anastomotic strictures after esophageal replacement (colon, 12; stomach, 1), and 2 had caustic strictures. The majority (23 of 33) had previously failed to respond to conventional bouginage (mean, 11.2 sessions; range, 1 to 32 sessions). EGBD was performed using flexible endoscopy and flouroscopic screening under general anesthesia. Endoscopy identified and resolved the errors or uncertainties of preoperative contrast studies in 7 patients, 5 of whom had colon interposition. EGBD was achieved in all 31 patients with esophageal or replacement strictures; the mean number of EGDB procedures per patient was 2.1 (range 1 to 7). Symptomatic relief was excellent in 24 and moderate in 7 patients. Both patients with caustic strictures had esophageal perforation from EGBD (excessive inflation, 1; false passage of guide wire, 1). Patients who had experienced both conventional bouginage and EGBD noticed less pain with EGBD and resumed eating sooner. The authors conclude that EGBD is safe and effective for treating esophageal and replacement strictures but not caustic strictures.

Adolescent

Scintigraphy in the diagnosis of occult fractures of the calcaneus.

Four toddlers presented with acute limp due to fracture of the calcaneus. Such fractures were originally described as rare, a contributory factor for this view almost certainly being the absence of radiographic abnormalities in a significant number of cases. The importance of bone scintigraphy early in the course of investigation is emphasized.

Calcaneus

Pathology mimicking distal intestinal obstruction syndrome in cystic fibrosis.

Eight patients with cystic fibrosis had chronic abdominal pain and the other features of distal intestinal obstruction syndrome. Coexistent abdominal pathology was shown in six patients. Two had a small bowel volvulus, and the others had Crohn's disease, a small bowel fistula, appendix abscess, and an ovarian dermoid. Opiate abuse exacerbated symptoms in two other patients.

Abdominal Pain

Condensing osteitis of the clavicle: does it exist?

Condensing osteitis of the clavicle was first described as a disease entity in 1974. There is painful localised swelling of the clavicle of undetermined origin, with increased radio-density, but an infective aetiology has not been excluded by previous authors. We report three children with the clinical and radiological findings of 'condensing osteitis'. Two of them had raised levels of antistaphylolysin titres and all responded to antibiotic therapy. We conclude that condensing osteitis is due to low-grade staphylococcal osteomyelitis; biopsy and treatment by antibiotics is recommended.

Anti-Bacterial Agents