Exercise Body Surface Potential Mapping in Single and Multiple Coronary Artery Disease: Results (5)

In: Coronary Artery Disease

20 Dec 2012

Exercise Body Surface Potential Mapping in Single and Multiple Coronary Artery Disease: Results (5)Quantitative Coronary Angiography
The modified Gensini scores of all CAD patients are displayed in Table 1. Groups 2 and 3 had similar mean scores (68 ± 30, group 2 vs 56 ± 18, group 3; NS); both were significantly (p<0.05) higher than those of group 4 and group 2 mean scores were also significantly (p<0.05) higher than those of group 1 (Table 1). There were no differences between the modified Gensini scores of groups 1 and 4 (Table 1). The Pujadas and Greenlane scores were similarly discriminatory among the four study groups. buy ortho tri-cyclen
Bivariate Correlations
The bivariate correlations of the various indirect measures of exercise myocardial ischemia and myocardium at potential for ischemic risk are summarized in Table 4. As indicated, the intratechnique correlations of all angiographic scores were relatively high (r = 0.63 to r=0.81) (Table 3). The BSPM correlation of sum ST integral decrease, cessation minus rest, and sum ST integral decrease, 5 min recovery minus rest, also was relatively high (r = 0.60) (Table 3). The highest intertechnique correlations were the inverse relations of sum ST integral decrease, cessation minus rest, and the angiographic scores (r = — 0.53 to r = — 0.69) (Table 3). Thallium scores did not correlate well with either the BSPM or angiographic variables.

Table 4—Bivariate Correlations of Best and Exercise ST Integral Variables, Coronary Angiographic Scores and Thallium Perfusion Scores in 51 Patients with CAD

2 ST | Cessation—Rest 2 ST i Recovery 5—Rest Gensini Pujadas Greenlane Thallium
2 Negative ST rest 0.16 0.18 0.00 0.04 0.05 -0.01
2 ST i cessation – rest 0.60 -0.56 -0.53 -0.69 -0.32
2 ST | recovery 5 – rest -0.24 -0.08 0.20 —0.14
Gensini 0.63 0.65 0.30
Pujadas 0.81 0.24
Greenlane 0.16

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