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Biomedical subjects

A Calin

Publications and source records attributed to A Calin.

At least 163 records · Page 9Linked to original sources
PubMed1981

Treatment of intractable rheumatoid arthritis with total lymphoid irradiation.

Eleven patients with intractable rheumatoid arthritis were treated with total lymphoid irradiation (total dose, 2000 rad) in an uncontrolled feasibility study, as an alternative to long-term therapy with cytotoxic drugs such as cyclophosphamide and azathioprine. During a follow-up period of five to 18 months after total lymphoid irradiation, there was a profound and sustained suppression of the absolute lymphocyte count and in vitro lymphocyte function, as well as an increase in the ratio of Leu-2 (suppressor/cytotoxic) to Leu-3 (helper) T cells in the blood. Persistent circulating suppressor cells of the mixed leukocyte response and of pokeweek mitogen-induced immunoglobulin secretion developed in most patients. In nine of the 11 patients, these changes in immune status were associated with relief of joint tenderness and swelling and with improvement in function scores. Maximum improvement occurred approximately six months after irradiation and continued for the remainder of the observation period. Few severe or chronic side effects were associated with the radiotherapy.

Antibodies, Monoclonal↗
PubMed1981

Reiter's syndrome. Evaluation of preliminary criteria for definite disease.

A retrospective evaluation of 83 patients with Reiter's syndrome (RS) and 166 comparison arthritis patients was conducted in order to assess the preliminary criteria for definite RS. Data analysis was based on the statement that Reiter's syndrome consists of an episode of peripheral arthritis of more than 1 month duration occurring in association with urethritis and/or cervicitis. During the initial episode of RS, 70 of the 83 RS patients satisfied the criteria, yielding a sensitivity of 84.3%.

Arthritis↗
PubMed1980

Reactive arthritis.

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Arthritis, Reactive↗
PubMed1980

HLA-B27: to type of not to type?

The association between the histocompatibility antigen HLA-B27 and the seronegative spondylarthritides such as ankylosing spondylitis and Reiter's syndrome is dramatic. A question that arises in practice is, when should a clinician request HLA-B27 typing in the assessment of a patient with a rheumatologic complaint? Generally, diagnosis of these spondylarthropathies depends on history, clinical and radiologic examination, and, occasionally, confirmatory laboratory tests. This paper reviews the criteria for the diagnosis of the spondylarthritides, discusses the sensitivity and specificity of HLA-B27 typing in these conditions, analyzes the relation between HLA-B27 status and prognosis, and defines the role of genetic counseling. It is concluded th,t knowledge of the patient's HLA-B27 status provides only minimal help to the physician. Indiscriminate typing is to be deprecated.

Arthritis↗