Validation of the Smallest Pocket Echoscopic Device’s Diagnostic Capabilities in Heart Investigation

Lafitte, Stéphane; Alimazighi, Nazim; Réant, Patricia; Dijos, Marina; Zaroui, Amira; Mignot, Aude; Lafitte, Marianne; Pillois, Xavier; Roudaut, R.; DeMaria, Anthony N.

doi:10.1016/j.ultrasmedbio.2011.02.010

Cited by 33 publications

(21 citation statements)

References 17 publications

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“…There is good agreement with standard echocardiography. [4][5][6][7][8][9][10] It improves the differentiation and management of conditions with overlapping features but contrasting treatments, such as acute LV failure versus acute exacerbation of COPD. This is additionally important where a treatment is contraindicated in the competing diagnosis, or where treatment carries great risk (eg a quick-scan could substantiate the decision to thrombolyse a moribund patient with clinically suspected pulmonary embolism).…”

Section: Clinical Applications Advantages and Limitations In Acute Mmentioning

confidence: 99%

Point-of-care cardiac ultrasound in acute medicine – the quick scan

2014

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Point-of-care cardiac ultrasound in acute medicine -the quick scanThe optimum management of acute medical patients requires prompt and accurate diagnosis, monitoring and treatment. The clinical history and physical examination remain central to diagnosis, but often need supplementation by laboratory testing or imaging. Echocardiographic assessment of cardiac structure and function provides valuable information that can aid diagnosis and assess clinical progress. It has many advantages as an imaging modality, and recent technological advances have resulted in hand-held, battery-powered ultrasound devices that provide high-quality images. Three broad applications of cardiac ultrasound now exist: conventional echocardiography, focussed echocardiography and the quick-scan. A quick-scan using a hand-held ultrasound device is readily integrated into the bedside clinical assessment, providing information that can be used immediately in diagnostic reasoning; it can also guide pericardiocentesis. Hand-held ultrasound devices can also be used in acute situations, as well as geographically remote areas or special situations (eg disaster zones) where other imaging is not available. However, the diagnostic yield of echocardiography is user dependent, and training is required for its benefi ts to be realised, adding to the hardware costs. More data are needed on the incremental value of hand-held ultrasonography and a quickscan over conventional methods of assessment, their impact on clinical outcomes, and cost effectiveness.

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Section: Clinical Applications Advantages and Limitations In Acute Mmentioning

confidence: 99%

Point-of-care cardiac ultrasound in acute medicine – the quick scan

2014

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“…Although this study commented on the accuracy of PSE compared to sTTE in a subset of patients, this was not the primary objective. Image accuracy has been previously well described in various other patient populations [7][8][9][10][11][12][13][14][15][16][17][18]. Finally, although this study validated the use of PSE in assessing LVEF, if more extensive information on cardiac structure and function is required clinically prior to PPM implantation sTTE is superior to that of PSE.…”

Section: Limitations and Future Directionsmentioning

confidence: 51%

“…Previous studies comparing images acquired by an inexperienced sonographer (e.g., medical resident) versus an experienced sonographer (e.g., cardiologist with level 3 competency in echocardiography) have shown that there is good correlation between PSE and sTTE for the assessment of LVEF [12][13][14][15][16][17][18]. High inter-observer correlation between the trainee and the imaging cardiologist is important in order to appropriately triage patients for sTTE in the setting of pre-PPM implantation.…”

Section: Discussionmentioning

confidence: 99%

“…Previous studies have examined the diagnostic accuracy of PSE, its potential clinical applications, and the training involved to maximize safety and effectiveness of its use [7][8][9][10][11]. Several studies have reported that PSE can qualitatively assess LVEF with good reliability, even when a sonographic trainee acquires and/or interprets images [12][13][14][15][16][17][18]. Current recommendations limit the use of PSE to triaging candidates to receive sTTE evaluation [19].…”

Section: Introductionmentioning

confidence: 99%

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The Utility of Pocket-Sized Echocardiography to Assess Left Ventricular Systolic Function Prior to Permanent Pacemaker Implantation

Lau

Ducas

Rizkallah

et al. 2014

Canadian Journal of Cardiology

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Background: A subset of patients receiving first-time permanent pacemakers (PPM) may also benefit from an implantable cardioverter defibrillator (ICD) based on the presence of left ventricular systolic dysfunction (LVSD). Routine screening using pocket-sized echocardiography (PSE) may be useful in identifying such patients. Objective: To determine whether PSE can be used by an inexperienced sonographer to adequately screen for LVSD in a patient population receiving a first-time PPM. Methods: A sonographic trainee (medical student) acquired images using PSE, which were then evaluated by an experienced echocardiologist for both image quality and presence of LVSD. The sensitivity and specificity of assessment by the inexperienced sonographer was compared to the level 3 echocardiologist. Results: The patient population included 71 individuals (66% male, mean age 77 ± 12 years). Interpretable images where left ventricular ejection fraction (LVEF) could be adequately assessed were obtained in 93% of the patient population. As compared with the echocardiologist, the sonographic trainee had a sensitivity of 60% and a specificity of 98% in detecting LVSD.

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“…2A) and its respiratory variation may be useful to guide appropriate medical treatment [24][25][26]. However, the sensitivity and specificity to accurately assess this parameter by FCU vary considerably from one study to another [4,11,13,15,27] ( Table 1). This may partly be explained by difficulties in visualizing this structure in approximately 15% of patients, due to limited image width and depth [5,10].…”

Section: Filling Pressure Estimationmentioning

confidence: 99%

Pocket-sized focused cardiac ultrasound: Strengths and limitations

Mirabel

Celermajer²,

Beraud

et al. 2015

Archives of Cardiovascular Diseases

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Focused cardiac ultrasound (FCU) has emerged in recent years and has created new possibilities in the clinical assessment of patients both in and out of hospital. The increasing portability of echocardiographic devices, with some now only the size of a smartphone, has widened the spectrum of potential indications and users, from the senior cardiologist to the medical student. However, many issues still need to be addressed, especially the acknowledgment of the advantages and limitations of using such devices for FCU, and the extent of training required in this rapidly evolving field. In recent years, an increasing number of studies involving FCU have been published with variable results. This review outlines the evidence for the use of FCU with pocket-echo to address specific questions in daily clinical practice.

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Validation of the Smallest Pocket Echoscopic Device’s Diagnostic Capabilities in Heart Investigation

Cited by 33 publications

References 17 publications

Point-of-care cardiac ultrasound in acute medicine – the quick scan

Point-of-care cardiac ultrasound in acute medicine – the quick scan

The Utility of Pocket-Sized Echocardiography to Assess Left Ventricular Systolic Function Prior to Permanent Pacemaker Implantation

Pocket-sized focused cardiac ultrasound: Strengths and limitations

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