• The American surgeon · Aug 1995

    Comparative Study

    Effect of resuscitation solutions on the immune status of dogs in hemorrhagic shock.

    • E Brown, L Lloyd, A Sheth, T Oweis, J C Chen, L Penman, J C Mattson, and K Steel.
    • Department of Surgery, St. John Hospital and Medical Center, Detroit, Michigan 48236-2172, USA.
    • Am Surg. 1995 Aug 1; 61 (8): 669-72; discussion 672-3.

    AbstractThe purpose of this study is to examine the effects of three different types of fluid resuscitation on the immune system of dogs in hemorrhagic shock. Using a modified Wigger shock model, 18 conditioned male dogs were bled to mean arterial blood pressure of 60 mm Hg for 90 minutes and placed into three groups based on the resuscitative method. Group I: Crystalloid Resuscitation; Group II: Autotransfusion; Group III: Banked Blood. Laboratory methods for immune status evaluation included total lymphocyte count, T4/T8 ratio, total serum immunoglobulins, and immunoglobulin electrophoresis. These values were obtained pre-hemorrhagic shock, just before resuscitation, and subsequently on days 1, 4, and 7. Humoral immunity, represented by total serum immunoglobulin levels (IgA, IgG, IgM), was higher in Groups II and III when compared with group I on all post-resuscitation days. IgA and IgM levels were higher in Group III compared with Groups I and II. IgG level was higher in Group II compared with Groups I and III. Cellular immunity was also affected by transfusion. Total lymphocyte count was increased in Group II on Day 1; however, the three groups were similar with respect to this variable on subsequent days. The absolute T4 helper cell level in Group II was similar to Groups I and III until Day 7, at which time the level became higher in Group II.(ABSTRACT TRUNCATED AT 250 WORDS)

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