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Incidence and significance of abnormal hepatic venous Doppler flow velocities before cardiac surgery.

Abstract：

OBJECTIVE:The purpose of this study was to determine the incidence and significance of abnormal hepatic Doppler venous flow velocities as signs of an abnormal right ventricular filling pattern before cardiac surgery. DESIGN:Retrospective and prospective validation study. SETTING:Tertiary care hospital. PARTICIPANTS:Cardiac surgical patients (121 patients). INTERVENTIONS:Not applicable. MEASUREMENTS:Demographic, hemodynamic, and echocardiographic variables; vasoactive support; and difficult separation from bypass were compared between patients with or without abnormal hepatic venous Doppler flow. Logistic regression analysis was performed to identify predictors of difficult separation from bypass. Abnormal hepatic venous flow was observed in 23 (29%) and 17 patients (41%) in the retrospective and prospective study. Abnormal hepatic venous flow before surgery was associated with more vasoactive support in both the retrospective (p = 0.0362) and prospective study (p = 0.0163). In the prospective study, abnormal hepatic venous flow was associated with a higher Parsonnet score (p = 0.0005), more atrial fibrillation (p < 0.0001), pacemaker requirement (p = 0.0124), mitral valve replacement (p = 0.0325), reoperation (p = 0.0050), lower mean arterial pressure to pulmonary artery pressure ratio (p = 0.0127), higher wall motion score index (p = 0.0491), and higher incidence of abnormal right ventricular systolic function (p = 0.0139). Abnormal hepatic venous flow was not found to be an independent predictor of difficult separation from bypass. CONCLUSIONS:Abnormal hepatic venous flow velocities before cardiac surgery are frequent and are associated with increased need for vasoactive support after cardiopulmonary bypass. However, it is not an independent predictor of difficult separation from bypass and worse outcome.

journal_name

J Cardiothorac Vasc Anesth

journal_title

Journal of cardiothoracic and vascular anesthesia

authors

Carricart M,Denault AY,Couture P,Limoges P,Babin D,Levesque S,Fortier A,Pellerin M,Tardif JC,Buithieu J

doi

10.1053/j.jvca.2004.11.052

keywords:

subject

Has Abstract

pub_date

2005-12-01 00:00:00

pages

751-8

issue

eissn

1053-0770

issn

1532-8422

pii

S1053-0770(04)00354-4

journal_volume

pub_type

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Incidence and significance of abnormal hepatic venous Doppler flow velocities before cardiac surgery.