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Biomedical subjects

S Bergdahl

Publications and source records attributed to S Bergdahl.

46 records · Page 3Linked to original sources

Neonatal osteomyelitis. Radiographic findings and prognosis in relation to site of involvement.

Forty patients with hematogenous osteomyelitis in the neonatal period were followed up for one to 11 years. Early symptoms and radiographic abnormalities are described and the importance of early diagnosis and early treatment is emphasized. Course and sequelae are discussed in relation to different sites of involvement. Ten children had severe sequelae, 2 after vertebral infection and 8 after involvement of the lower extremities and pelvis; 6 had moderate sequelae and 24 were well at follow-up. Retarded growth may cause gradually increasing symptoms, this makes it advisable to follow the patients for a long time.

Arthritis, Infectious↗

Treatment of neonatal osteomyelitis with cloxacillin in combination with fusidic acid.

Four immature infants developed staphylococcal neonatal osteomyelitis. In spite of standard treatment with cloxacillin, gentamicin and surgical drainage new lesions developed in all 4 patients. Following the addition of fusidic acid no further progress was seen in any of the infants. Fusidic acid was administered intravenously for 10-14 days in a dose of 40 mg/kg/day in 2 divided doses. The therapy was well tolerated. Thoracic kyphosis in one patient was the only sequelae seen.

Cloxacillin↗

Birth injuries to the epiphyseal cartilage.

A birth injury in the vicinity of a joint might lead to a fracture through the epiphyseal cartilage. The criteria for diagnosing such a fracture at radiography are considered and the continued remodelling of the bone demonstrated. The history of 2 cases with late diagnosis and serious long-term sequelae are described, in order to emphasize the necessity of early radiography.

Birth Injuries↗

BCG osteomyelitis: experience in the Stockholm region over the years 1961-1974.

Eighteen cases of bone and joint tuberculosis in children were diagnosed in the Stockholm region (about 1,500,000 population) over the period 1961-1974. BCG infection was verified by culture and identification of bacterial type in seven, all after 1968. The same origin can be presumed in most of the remaining eleven cases, in spite of the absence of bacterial verification. The increased frequency of complications after BCG vaccination may necessitate a revision of the vaccination programme. We recommend operative treatment, which has not led to any growth disturbances or impairment of joint function, although the lesions were invariably localised close to growth zones and joints.

BCG Vaccine↗

Seroconversion to hepatitis C virus antibodies in patients with acute posttransfusion non-A, non-B hepatitis in Sweden.

Seventy-four patients in 1978 and 316 in 1986, all transfused during open-heart surgery in Stockholm, Sweden, were studied prospectively for the development of posttransfusion non-A, non-B (NANB) hepatitis, seroconversion to hepatitis C virus antibodies (anti-HCV) (C-100), time lag to seroconversion to anti-HCV and outcome of posttransfusion NANB/C hepatitis. Anti-HCV was tested up to six months after transfusions in patients from 1978 and up to one year after transfusions in patients from 1986. Fifty-four percent of the patients who developed posttransfusion NANB hepatitis seroconverted to anti-HCV, 7/15 (47%) in 1978 and 8/13 (62%) in 1986. Four (27%) of the 15 patients who seroconverted to anti-HCV were anti-HCV reactive within one week, 12 (80%) within eight weeks and all within 18 weeks after the onset of hepatitis. The ELISA optical density/cut-off (OD/CO) ratio was above 4.0 in all patients with hepatitis C who seroconverted. One transfused patient with normal serum aminotransferase levels throughout follow-up seroconverted after six months. He had a temporary positive anti-HCV reactivity with a maximal ELISA OD/CO ratio for anti-HCV of only 1.2, which became negative three years later. Development of chronic hepatitis was noticed in 9/15 (60%) patients who seroconverted to anti-HCV and in 5/13 (38%) patients with posttransfusion NANB hepatitis who did not seroconvert.

Acute Disease↗

Neonatal hematogenous osteomyelitis: risk factors for long-term sequelae.

The findings in 40 infants with neonatal osteomyelitis were examined to evaluate factors that may predict the development of sequelae. On follow-up at 1-11 years of age, 16 children were found to have moderate (six) and severe (10) sequelae. Thirteen of these 16 children were among the 21 infants who had perinatal risk factors. On the other hand, there were only three handicapped infants in the group of 19 who had no risk factors. The high-risk infants were, on the average, younger at onset of osteomyelitis than the previously healthy babies. No differences were found between those two groups that could be ascribed to the causative organisms. Fifty-five osteomyelitic sites involving the large joints were diagnosed. Growth disturbance was evident in 20 of 36 nonoperated foci and four of 19 operated foci. To achieve the best result, the joint and abscess should be drained, and this should be supplemented by drainage of the metaphysis.

Anti-Bacterial Agents↗