Objective: To describe the short-term response, early prognostic markers, and survival after treatment of canine immune-mediated thrombocytopenia (ITP) with human intravenous immunoglobulin (hIVIG) and methylprednisolone. Design: Retrospective cohort study. Settings: Private referral veterinary medical center.AnimalsTwenty-seven client-owned dogs with primary or secondary ITP. Interventions: All dogs received 2 mg/kg IV methylprednisolone once daily and a single infusion of 5% hIVIG administered over 6-12 hours. Measurements and Main Results: A substantial increase in platelet count within 60 +/- 12 hours post-hIVIG infusion (T60) was observed in 19 of the 27 (70%) dogs with ITP (responders). Thirty-four variables, including serum immunoglobulin (Ig) G concentration 24 +/- 12 hours post-hIVIG infusion (T24IgG) and increase in serum IgG concentration 24 +/- 12 hours post-hIVIG infusion (T24 Delta IgG), were compared between responders and nonresponders at 5 different time points. Mortality rates of responders and nonresponders were evaluated 14 days post-hIVIG infusion. Serum T24IgG and serum T24 Delta IgG were both significantly higher at T60 in responders. All responders were alive 14 days post-hIVIG infusion, and their mortality rate was significantly lower compared with nonresponders. Conclusions: Responder dogs had an excellent 14-day survival rate. Serum T24IgG and serum T24 Delta IgG concentrations accurately predicted response status at 60 hours post-hIVIG infusion.

Retrospective evaluation of the short-term response of human intravenous immunoglobulin therapy in the management of canine immune-mediated thrombocytopenia (2010–2015): 27 cases

Drigo M.
Formal Analysis
2024

Abstract

Objective: To describe the short-term response, early prognostic markers, and survival after treatment of canine immune-mediated thrombocytopenia (ITP) with human intravenous immunoglobulin (hIVIG) and methylprednisolone. Design: Retrospective cohort study. Settings: Private referral veterinary medical center.AnimalsTwenty-seven client-owned dogs with primary or secondary ITP. Interventions: All dogs received 2 mg/kg IV methylprednisolone once daily and a single infusion of 5% hIVIG administered over 6-12 hours. Measurements and Main Results: A substantial increase in platelet count within 60 +/- 12 hours post-hIVIG infusion (T60) was observed in 19 of the 27 (70%) dogs with ITP (responders). Thirty-four variables, including serum immunoglobulin (Ig) G concentration 24 +/- 12 hours post-hIVIG infusion (T24IgG) and increase in serum IgG concentration 24 +/- 12 hours post-hIVIG infusion (T24 Delta IgG), were compared between responders and nonresponders at 5 different time points. Mortality rates of responders and nonresponders were evaluated 14 days post-hIVIG infusion. Serum T24IgG and serum T24 Delta IgG were both significantly higher at T60 in responders. All responders were alive 14 days post-hIVIG infusion, and their mortality rate was significantly lower compared with nonresponders. Conclusions: Responder dogs had an excellent 14-day survival rate. Serum T24IgG and serum T24 Delta IgG concentrations accurately predicted response status at 60 hours post-hIVIG infusion.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11577/3541399
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