AUTOMATIC DETECTION OF THE APEX OF THE HEART IN CINE ANGIOGRAPHY.

R. W. Brower; M. van den Brand; P. Fioretti; D. Leaman; G. Meester; P. Serruys

AUTOMATIC DETECTION OF THE APEX OF THE HEART IN CINE ANGIOGRAPHY.

R. W. Brower, M. van den Brand, P. Fioretti, D. Leaman, G. Meester, P. Serruys

Medicine

Research output: Contribution to a Journal (Peer & Non Peer) › Conference article › peer-review

2 Citations (Scopus)

Abstract

Observer variability and accuracy of conventional rules for apex recognition is reported. Eighteen coworkers independently identified the apex in 79 LVgrams (30 deg RAO) at end diastole and end systole and assigned a confidence score from 0% to 100% for each apex. The LVgrams were selected to include those from 31 normal individuals and from 48 patients with mixed akinesis/dyskinesis as coded by conventional techniques. There was no significant difference in the confidence for the ED vs ES apices. The apex determined with respect to the superior aspect of the aortic valve proved superior to other tested methods. The concept of ″peakedness″ index is introduced and used to estimate observer variability and observer confidence.

Original language	English
Pages (from-to)	211-214
Number of pages	4
Journal	Computers in Cardiology
Publication status	Published - 1979
Event	Unknown conference - Duration: 26 Sep 1979 → 28 Sep 1979

Cite this

@article{c147827c12a04c16b23af224af7568b1,

title = "AUTOMATIC DETECTION OF THE APEX OF THE HEART IN CINE ANGIOGRAPHY.",

abstract = "Observer variability and accuracy of conventional rules for apex recognition is reported. Eighteen coworkers independently identified the apex in 79 LVgrams (30 deg RAO) at end diastole and end systole and assigned a confidence score from 0\% to 100\% for each apex. The LVgrams were selected to include those from 31 normal individuals and from 48 patients with mixed akinesis/dyskinesis as coded by conventional techniques. There was no significant difference in the confidence for the ED vs ES apices. The apex determined with respect to the superior aspect of the aortic valve proved superior to other tested methods. The concept of ″peakedness″ index is introduced and used to estimate observer variability and observer confidence.",

author = "Brower, \{R. W.\} and \{van den Brand\}, M. and P. Fioretti and D. Leaman and G. Meester and P. Serruys",

year = "1979",

language = "English",

pages = "211--214",

journal = "Computers in Cardiology",

issn = "0276-6574",

publisher = "IEEE Computer Society",

note = "Unknown conference ; Conference date: 26-09-1979 Through 28-09-1979",

}

TY - JOUR

T1 - AUTOMATIC DETECTION OF THE APEX OF THE HEART IN CINE ANGIOGRAPHY.

AU - Brower, R. W.

AU - van den Brand, M.

AU - Fioretti, P.

AU - Leaman, D.

AU - Meester, G.

AU - Serruys, P.

PY - 1979

Y1 - 1979

N2 - Observer variability and accuracy of conventional rules for apex recognition is reported. Eighteen coworkers independently identified the apex in 79 LVgrams (30 deg RAO) at end diastole and end systole and assigned a confidence score from 0% to 100% for each apex. The LVgrams were selected to include those from 31 normal individuals and from 48 patients with mixed akinesis/dyskinesis as coded by conventional techniques. There was no significant difference in the confidence for the ED vs ES apices. The apex determined with respect to the superior aspect of the aortic valve proved superior to other tested methods. The concept of ″peakedness″ index is introduced and used to estimate observer variability and observer confidence.

AB - Observer variability and accuracy of conventional rules for apex recognition is reported. Eighteen coworkers independently identified the apex in 79 LVgrams (30 deg RAO) at end diastole and end systole and assigned a confidence score from 0% to 100% for each apex. The LVgrams were selected to include those from 31 normal individuals and from 48 patients with mixed akinesis/dyskinesis as coded by conventional techniques. There was no significant difference in the confidence for the ED vs ES apices. The apex determined with respect to the superior aspect of the aortic valve proved superior to other tested methods. The concept of ″peakedness″ index is introduced and used to estimate observer variability and observer confidence.

UR - https://www.scopus.com/pages/publications/0018710183

M3 - Conference article

AN - SCOPUS:0018710183

SN - 0276-6574

SP - 211

EP - 214

JO - Computers in Cardiology

JF - Computers in Cardiology

T2 - Unknown conference

Y2 - 26 September 1979 through 28 September 1979

ER -

AUTOMATIC DETECTION OF THE APEX OF THE HEART IN CINE ANGIOGRAPHY.

Abstract

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