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Effects of alterations in IAP and volemia on SVV and PPV. Definition of abbreviations: FL, fluid loading; IAP, intra-abdominal pressure; PPV, pulse pressure variation; SVV, stroke volume variation. # : P < 0.05 vs IAP 0; * : P < 0.05 vs before blood withdrawal; ♣ : P < 0.05 vs IAP 30 before FL for the animals after blood withdrawal. Before blood withdrawal, n = 9 at IAP 0, 30 before FL and 30 after FL; after blood withdrawal, n = 9 at IAP 0, n = 7 at IAP 30 before FL and 30 after FL.
