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  • Title: The Feasibility and Impact of Routine Combined Limited Transthoracic Echocardiography and Lung Ultrasound on Diagnosis and Management of Patients Admitted to ICU: A Prospective Observational Study.
    Author: Haji K, Haji D, Canty DJ, Royse AG, Tharmaraj D, Azraee M, Hopkins L, Royse CF.
    Journal: J Cardiothorac Vasc Anesth; 2018 Feb; 32(1):354-360. PubMed ID: 29126689.
    Abstract:
    OBJECTIVES: Limited transthoracic echocardiography (TTE) and lung ultrasound increasingly is performed in the intensive care unit (ICU), though used in a goal-directed rather than routine manner. DESIGN: Prospective observational study. SETTINGS: Tertiary ICU. PARTICIPANTS: Ninety-three critically ill participants within 24 hours of admission to ICU. METHODS: A treating intensivist documented a clinical diagnosis and management plan before and after combined limited TTE and lung ultrasound. Ultrasound was performed by an independent intensivist and checked for accuracy offline by a second reviewer. RESULTS: Ultrasound images were interpretable in 99%, with good interobserver agreement. The hemodynamic diagnosis was altered in 66% of participants, including new (14%) or altered (25%) abnormal states or exclusion of clinically diagnosed abnormal state (27%). Valve pathology of at least moderate severity was diagnosed for mitral regurgitation (7%), aortic stenosis (1%), aortic stenosis and mitral regurgitation (1%), tricuspid regurgitation (3%), and 1 case of mitral regurgitation was excluded. Lung pathology diagnosis was changed in 58% of participants including consolidation (13%), interstitial syndrome (4%), and pleural effusion (23%), and exclusion of clinically diagnosed consolidation (6%), interstitial syndrome (3%), and pleural effusion (9%). Management changed in 65% of participants including increased (12%) or decreased (23%) fluid therapy, initiation (10%), changing (6%) or cessation (9%) of inotropic, vasoactive or diuretic drugs, non-invasive ventilation (3%), and pleural drainage (2%). CONCLUSION: Routine screening of patients with combined limited TTE and lung ultrasound on admission to ICU is feasible and frequently alters diagnosis and management.
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