Comparitive Effectiveness of PME Versus Transthoracic Echocardiogram (TTE)
| Status: | Completed |
|---|---|
| Conditions: | Peripheral Vascular Disease, Cardiology |
| Therapuetic Areas: | Cardiology / Vascular Diseases |
| Healthy: | No |
| Age Range: | 18 - Any |
| Updated: | 7/11/2015 |
| Start Date: | June 2012 |
| End Date: | December 2015 |
| Contact: | Kadan Baban, MD |
| Email: | Baban.Kadan@scrippshealth.org |
| Phone: | 858-554-8018 |
Comparative Effectiveness of Pocket, Mobile, Hand-held Echocardiography and Conventional Transthoracic Echocardiography in an Inpatient and Outpatient Clinical Setting
A new hand held pocket echo device (GE Vscan) has now become available to clinicians, with
limited data available comparing the effectiveness of this device as a screening tool when
compared to traditional transthoracic echocardiography (TTE).
The investigators are evaluating the effectiveness of this hand-held echo (HHE) device in
detecting cardiac pathology in a both an inpatient and outpatient clinical setting as
compared to a comprehensive TTE evaluation.
limited data available comparing the effectiveness of this device as a screening tool when
compared to traditional transthoracic echocardiography (TTE).
The investigators are evaluating the effectiveness of this hand-held echo (HHE) device in
detecting cardiac pathology in a both an inpatient and outpatient clinical setting as
compared to a comprehensive TTE evaluation.
A new hand held pocket echo device (GE Vscan) has now become available to clinicians, with
limited data available comparing the effectiveness of this device as a screening tool when
compared to TTE.
We are evaluating the effectiveness of this HHE device in detecting cardiac pathology in a
both an inpatient and outpatient clinical setting as compared to a comprehensive TTE
evaluation.
This study compares the images from the two modalities with regards to multiple parameters
typically evaluated by traditional TTE. This would include the following:
1. Ejection fraction: estimates how well the heart is squeezing/functioning.
2. Segmental wall motion abnormalities: if one wall of the heart is not moving well, this
suggests that part of the heart is not getting enough blood supply and could represent
a blockage in a blood vessel supplying the heart or in other terms a heart attack.
3. Left ventricular end-diastolic dimension: allows us to see if the heart is dilated
4. Inferior vena cava size: the size of this great vein can help estimate if patient has
too much fluid in their vascular bed.
5. Aortic valve pathology: whether or not there is thickening of the valve or impairment
of it's opening.
6. Mitral valve pathology: whether or not the valve is significantly thickened or with
impaired closing and opening.
7. Pericardial effusion: excessive fluid in the sack around the heart.
The images obtained on the HHE will be evaluated by two experienced echocardiographers as
well as two cardiology fellows who have obtained training in image acquisition and
interpretation. The readers of the HHE images are blinded to the TTE results, and vice
versa.
A comparison of these individual parameters on HHE and TTE allows us to validate this new,
convenient screening tool in detecting cardiac pathology.
limited data available comparing the effectiveness of this device as a screening tool when
compared to TTE.
We are evaluating the effectiveness of this HHE device in detecting cardiac pathology in a
both an inpatient and outpatient clinical setting as compared to a comprehensive TTE
evaluation.
This study compares the images from the two modalities with regards to multiple parameters
typically evaluated by traditional TTE. This would include the following:
1. Ejection fraction: estimates how well the heart is squeezing/functioning.
2. Segmental wall motion abnormalities: if one wall of the heart is not moving well, this
suggests that part of the heart is not getting enough blood supply and could represent
a blockage in a blood vessel supplying the heart or in other terms a heart attack.
3. Left ventricular end-diastolic dimension: allows us to see if the heart is dilated
4. Inferior vena cava size: the size of this great vein can help estimate if patient has
too much fluid in their vascular bed.
5. Aortic valve pathology: whether or not there is thickening of the valve or impairment
of it's opening.
6. Mitral valve pathology: whether or not the valve is significantly thickened or with
impaired closing and opening.
7. Pericardial effusion: excessive fluid in the sack around the heart.
The images obtained on the HHE will be evaluated by two experienced echocardiographers as
well as two cardiology fellows who have obtained training in image acquisition and
interpretation. The readers of the HHE images are blinded to the TTE results, and vice
versa.
A comparison of these individual parameters on HHE and TTE allows us to validate this new,
convenient screening tool in detecting cardiac pathology.
Inclusion Criteria:
1. All subjects with an order for a routine transthoracic echocardiogram based on
clinical indications.
2. Vscan images will be obtained to evaluate multiple parameters (noted on research
summary).
3. Immediately after Vscan imaging, a complete transthoracic echocardiogram will be
performed.
4. Images will be compared between the Vscan device and the traditional transthoracic
echocardiogram.
Exclusion Criteria:
1. Subjects who had a limited transthoracic echocardiography (i.e limited views)
2. Vscan imaging not attempted for a certain parameter
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