Bland-Altman analyses of the SV-Vigileo compared with the SV-TEE.

T0, after anesthetic induction in supine position; T1, 3 minutes after the steep Trendelenburg position (35°) was added to pneumoperitoneum during which time insufflation pressure was set to 15 mmHg; T2, 3 minutes after 500 ml of colloid infusion in T1; SV-Vigileo, stroke volume derived by the FloTrac/Vigileo™ system; SV-TEE, stroke volume measured using transesophageal echocardiography; LOA, limit of agreement.Bland-Altman analyses of the SV-Vigileo compared with the SV-TEE.