Treatment of Gram-negative septic shock with an immunoglobulin preparation

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Abstract
To evaluate the effectiveness of a polyclonal immunoglobulin (Ig) preparation containing IgG, IgM, and IgA as an adjunctive therapy for septic shock. Prospective, randomized clinical trial. A clinical immunology ward at the center for internal medicine in a university hospital. Fifty-five patients with septic shock were randomly allocated to two groups according to criteria of septic shock. One group of patients (n = 27) received a commercially available immunoglobulin preparation (containing high titers of antibodies specific for determinants to bacterial endotoxin) during the first 3 days after inclusion in the study. The other randomized group (n = 28) did not receive any immunoglobulin preparation. During the period of less than or equal to 6 wks after the beginning of clinically apparent septic shock, death related to the septic process occurred in one (4%) of 27 patients who received immunoglobulin. By comparison, nine (32%) of 28 control group patients died during this period (p less than .01). Within the first 48 hrs after onset of the clinically apparent septic process, significantly increased activity of circulating endotoxin and simultaneously decreased specific IgG serum titers to lipid A were detected in the group of nonsurvivors. Administration of a polyclonal immunoglobulin preparation in the early phase of septic shock was associated with significantly improved survival.

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