Ashish Manohar
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Explore the profile of Ashish Manohar including associated specialties, affiliations and a list of published articles.
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Articles
14
Citations
55
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0
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Recent Articles
1.
Protocol optimization for functional cardiac CT imaging using noise emulation in the raw data domain
Yin Z, Wu P, Manohar A, McVeigh E, Pack J
Med Phys
. 2024 May;
51(7):4622-4634.
PMID: 38753583
Background: Four-dimensional (4D) wide coverage computed tomography (CT) is an effective imaging modality for measuring the mechanical function of the myocardium. However, repeated CT measurement across a number of heartbeats...
2.
Protocol Optimization for Functional Cardiac CT Imaging Using Noise Emulation in the Raw Data Domain
Yin Z, Wu P, Manohar A, McVeigh E, Pack J
ArXiv
. 2024 Apr;
PMID: 38560739
Background: Four-dimensional (4D) wide coverage computed tomography (CT) is an effective imaging modality for measuring the mechanical function of the myocardium. However, repeated CT measurement across a number of heartbeats...
3.
Manohar A, Yang J, Pack J, Ho G, McVeigh E
J Cardiovasc Comput Tomogr
. 2024 Jan;
18(2):170-178.
PMID: 38242778
Background: Lead placement at the latest mechanically activated left ventricle (LV) segments is strongly correlated with response to cardiac resynchronization therapy (CRT). We demonstrate the feasibility of a cardiac 4DCT...
4.
Manohar A, Vigneault D, Kwon D, Caliskan K, Budde R, Hirsch A, et al.
Eur Radiol
. 2023 Dec;
34(7):4261-4272.
PMID: 38114847
Objectives: To compare cardiac computed tomography (CCT) and cardiac magnetic resonance (CMR) for the quantitative assessment of the left ventricular (LV) trabeculated layer in patients with suspected noncompaction cardiomyopathy (NCCM)....
5.
Chen Z, Contijoch F, Kahn A, Kligerman S, Narayan H, Manohar A, et al.
Radiol Cardiothorac Imaging
. 2023 May;
5(2):e220134.
PMID: 37124646
Purpose: To investigate whether endocardial regional shortening computed from four-dimensional (4D) CT angiography (RS) can be used as a decision classifier to detect the presence of left ventricular (LV) wall...
6.
Manohar A, Colvert G, Yang J, Chen Z, Ledesma-Carbayo M, Kronborg M, et al.
Circ Cardiovasc Imaging
. 2022 Aug;
15(8):e014165.
PMID: 35973012
Background: Cardiac resynchronization therapy (CRT) is an effective treatment for patients with heart failure; however, 30% of patients do not respond to the treatment. We sought to derive patient-specific left...
7.
Chen Z, Contijoch F, Colvert G, Manohar A, Kahn A, Narayan H, et al.
Front Cardiovasc Med
. 2022 Aug;
9:919751.
PMID: 35966529
Background: The presence of left ventricular (LV) wall motion abnormalities (WMA) is an independent indicator of adverse cardiovascular events in patients with cardiovascular diseases. We develop and evaluate the ability...
8.
Manohar A, Colvert G, Ortuno J, Chen Z, Yang J, Colvert B, et al.
Med Phys
. 2022 Jun;
49(9):5841-5854.
PMID: 35751864
Background: Estimates of regional left ventricular (LV) strains provide additional information to global function parameters such as ejection fraction (EF) and global longitudinal strain (GLS) and are more sensitive in...
9.
Pack J, Manohar A, Ramani S, Claus B, Yin Z, Contijoch F, et al.
Med Phys
. 2022 May;
49(7):4404-4418.
PMID: 35588288
Purpose: Standard four-dimensional computed tomography (4DCT) cardiac reconstructions typically include spiraling artifacts that depend not only on the motion of the heart but also on the gantry angle range over...
10.
Manohar A, Pack J, Schluchter A, McVeigh E
Med Phys
. 2022 Feb;
49(4):2309-2323.
PMID: 35192200
Purpose: We demonstrate the viability of a four-dimensional X-ray computed tomography (4DCT) imaging system to accurately and precisely estimate mechanical activation times of left ventricular (LV) wall motion. Accurate and...