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Korean J Occup Environ Med. 2002 Jun;14(2):134-142. Korean. Original Article.
Mun JH , Chung JS , Kim KA , Lim Y , Nam HW , Han JS .
Department of Preventive Medicine, College of Medicine,The Catholic University of Korea.
Department of Parasitology, College of Medicine,The Catholic University of Korea.
Department of Biochemistry, College of Medicine, Hanyang University, Korea.

OBJECTIVES: It is well known that pneumoconiotic patients experience impairments of macrophage function, as well as poor penetration of drugs into the fibrotic nodules and the immune system. Resultantly, pneumonia is frequently involved in pneumoconiotic patients and its treatment is not easy. Therefore, we conducted a clinical evaluation of immunoglobulin G which is known to be effective in severe infectious diseases. METHODS: We randomly selected 45 pneumoconiotic patients with pneumonia and classified them into 2 groups. The experimental group (IgG group) was scheduled to receive antibiotics and IgG (5 g I.V./day for 7 days). The control group was treated with antibiotics alone. Sputum gram stain (counts of WBCs and microorganisms), body temperature, arterial oxygen tension, and counts of peripheral venous blood leukocytes and band neutrophils were used as markers to assess the response effect therapy at time periods of 0, 2, 4, 6, and 8 days after completion of therapy. We compared the clinical scores between the two groups. RESULTS: The experimental IgG treated group was composed of 27 patients, and the control group comprised 18 patients. There was no statistical differences between two groups in terms of age, pneumoconiotic profusion, impairment degree of pulmonary function, or frequency of pathogen isolation in the sputum before medication. The experimental IgG treated group showed lower clinical scores as compared with the control group (p=0.083). CONCLUSIONS: These results suggest that IgG infusion with antibiotics will have an effect on pneumonia therapy in pneumoconiosis patients that are under 60 years and exhibit simple pneumoconiosis.

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