Johnson NP - Search Results

1

Distal Evaluation of Functional performance with Intravascular sensors to assess the Narrowing Effect-combined pressure and Doppler FLOW velocity measurements (DEFINE-FLOW) trial: Rationale and trial design.

Stegehuis VE, Wijntjens GWM, van de Hoef TP, Casadonte L, Kirkeeide RL, Siebes M, Spaan JAE, Gould KL, Johnson NP, Piek JJ. Stegehuis VE, et al. Among authors: johnson np. Am Heart J. 2020 Apr;222:139-146. doi: 10.1016/j.ahj.2019.08.018. Epub 2019 Sep 1. Am Heart J. 2020. PMID: 32062172 Clinical Trial.

2

Clinical evaluation of a new concept: resting myocardial perfusion heterogeneity quantified by markovian analysis of PET identifies coronary microvascular dysfunction and early atherosclerosis in 1,034 subjects.

Johnson NP, Gould KL. Johnson NP, et al. J Nucl Med. 2005 Sep;46(9):1427-37. J Nucl Med. 2005. PMID: 16157524 Free article. Clinical Trial.

3

Frequent diagnostic errors in cardiac PET/CT due to misregistration of CT attenuation and emission PET images: a definitive analysis of causes, consequences, and corrections.

Gould KL, Pan T, Loghin C, Johnson NP, Guha A, Sdringola S. Gould KL, et al. Among authors: johnson np. J Nucl Med. 2007 Jul;48(7):1112-21. doi: 10.2967/jnumed.107.039792. Epub 2007 Jun 15. J Nucl Med. 2007. PMID: 17574974 Free article.

4

Reducing radiation dose in rest-stress cardiac PET/CT by single poststress cine CT for attenuation correction: quantitative validation.

Gould KL, Pan T, Loghin C, Johnson NP, Sdringola S. Gould KL, et al. Among authors: johnson np. J Nucl Med. 2008 May;49(5):738-45. doi: 10.2967/jnumed.107.049163. Epub 2008 Apr 15. J Nucl Med. 2008. PMID: 18413384 Free article.

5

Coronary artery disease: Percent stenosis in CAD--a flaw in current practice.

Gould KL, Johnson NP. Gould KL, et al. Among authors: johnson np. Nat Rev Cardiol. 2010 Sep;7(9):482-4. doi: 10.1038/nrcardio.2010.119. Nat Rev Cardiol. 2010. PMID: 20725105

6

Coronary branch steal: experimental validation and clinical implications of interacting stenosis in branching coronary arteries.

Gould KL, Kirkeeide R, Johnson NP. Gould KL, et al. Among authors: johnson np. Circ Cardiovasc Imaging. 2010 Nov;3(6):701-9. doi: 10.1161/CIRCIMAGING.110.937656. Epub 2010 Sep 17. Circ Cardiovasc Imaging. 2010. PMID: 20851873

7

Shifted helical computed tomography to optimize cardiac positron emission tomography-computed tomography coregistration: quantitative improvement and limitations.

Johnson NP, Pan T, Gould KL. Johnson NP, et al. Mol Imaging. 2010 Oct;9(5):256-67. Mol Imaging. 2010. PMID: 20868626 Free PMC article.

8

Partial volume correction incorporating Rb-82 positron range for quantitative myocardial perfusion PET based on systolic-diastolic activity ratios and phantom measurements.

Johnson NP, Sdringola S, Gould KL. Johnson NP, et al. J Nucl Cardiol. 2011 Apr;18(2):247-58. doi: 10.1007/s12350-010-9327-y. Epub 2010 Dec 24. J Nucl Cardiol. 2011. PMID: 21184208 Free PMC article.

9

Impact of unexpected factors on quantitative myocardial perfusion and coronary flow reserve in young, asymptomatic volunteers.

Sdringola S, Johnson NP, Kirkeeide RL, Cid E, Gould KL. Sdringola S, et al. Among authors: johnson np. JACC Cardiovasc Imaging. 2011 Apr;4(4):402-12. doi: 10.1016/j.jcmg.2011.02.008. JACC Cardiovasc Imaging. 2011. PMID: 21492816 Free article.

10

Noninvasive flow reserve to guide and verify percutaneous coronary intervention.

Barker CM, Johnson NP, Sdringola S, Gould KL. Barker CM, et al. Among authors: johnson np. JACC Cardiovasc Interv. 2011 Aug;4(8):932-3. doi: 10.1016/j.jcin.2011.02.021. JACC Cardiovasc Interv. 2011. PMID: 21851909 Free article. No abstract available.

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