Transthoracic echocardiography is not a routine test in the pre-operative cardiac evaluation of patients undergoing non-cardiac surgery but may be considered in those with known heart failure and valvular heart disease or complaining cardiac symptoms. In this setting, hand-held echocardiography (HHE) could find a potential application as an alternative to standard echocardiography in selected patients; however, its utility in this context has not been investigated. The aim of this pilot study was to evaluate the conclusiveness of HHE compared to standard echocardiography in this subset of patients. 100 patients scheduled for non-cardiac surgery were randomized to receive a standard exam with a Philips Ie33 or a bedside evaluation with a pocket-size imaging device (Opti-Go, Philips Medical System). The primary endpoint was the percentage of satisfactory diagnosis at the end of the examination referred as conclusiveness. Secondary endpoints were the mean duration time and the mean waiting time to perform the exams. No significant difference in terms of conclusiveness between HHE and standard echo was found (86 vs 96 %; P = 0.08). Mean duration time of the examinations was 6.1 +/- A 1.2 min with HHE and 13.1 +/- A 2.6 min with standard echocardiography (P < 0.001). HHE resulted in a consistent save of waiting time because it was performed the same day of clinical evaluation whereas patients waited 10.1 +/- A 6.1 days for a standard echocardiography (P < 0.001). This study suggests the potential role of HHE for pre-operative evaluation of selected patients undergoing non-cardiac surgery, since it provided similar information but it was faster and earlier performed compared to standard echocardiography.

Hand-held echocardiography in the setting of pre-operative cardiac evaluation of patients undergoing non-cardiac surgery: results from a randomized pilot study.

Chello M;
2015-01-01

Abstract

Transthoracic echocardiography is not a routine test in the pre-operative cardiac evaluation of patients undergoing non-cardiac surgery but may be considered in those with known heart failure and valvular heart disease or complaining cardiac symptoms. In this setting, hand-held echocardiography (HHE) could find a potential application as an alternative to standard echocardiography in selected patients; however, its utility in this context has not been investigated. The aim of this pilot study was to evaluate the conclusiveness of HHE compared to standard echocardiography in this subset of patients. 100 patients scheduled for non-cardiac surgery were randomized to receive a standard exam with a Philips Ie33 or a bedside evaluation with a pocket-size imaging device (Opti-Go, Philips Medical System). The primary endpoint was the percentage of satisfactory diagnosis at the end of the examination referred as conclusiveness. Secondary endpoints were the mean duration time and the mean waiting time to perform the exams. No significant difference in terms of conclusiveness between HHE and standard echo was found (86 vs 96 %; P = 0.08). Mean duration time of the examinations was 6.1 +/- A 1.2 min with HHE and 13.1 +/- A 2.6 min with standard echocardiography (P < 0.001). HHE resulted in a consistent save of waiting time because it was performed the same day of clinical evaluation whereas patients waited 10.1 +/- A 6.1 days for a standard echocardiography (P < 0.001). This study suggests the potential role of HHE for pre-operative evaluation of selected patients undergoing non-cardiac surgery, since it provided similar information but it was faster and earlier performed compared to standard echocardiography.
Echocardiography; pocket-sized ultrasound
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.12610/4846
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