Research Article
Prolonged P Wave Peak Time May Be a Sign of LV Diastolic Dysfunction in the Coronary Slow Flow Phenomenon
Table 2
Angiographic and electrocardiographic findings of groups.
| Parameters | CSFP (n = 90) | NCF (n = 105) | value |
| QT; ms | 385 ± 36 | 377 ± 27 | 0.06 | QTc; ms | 409 ± 29 | 408 ± 22 | 0.76 | PWDmax; ms | 121 ± 11 | 103 ± 12 | <0.001 | PWDmın; ms | 80 ± 14 | 74 ± 11 | 0.002 | PWdısp; ms | 40 ± 11 | 29 ± 9 | <0.001 | PW morphology in lead Vı | | | | Negative; n (%) | 25 (25.8%) | 24 (23.3%) | | Positive; n (%) | 29 (29.9%) | 35 (34%) | 0.81 | Biphasic; n (%) | 43 (44.3%) | 44 (42.7%) | | PWTF in lead VI; mm xms | 38 ± 7 | 28 ± 8 | <0.001 | PWPT VI; ms | 51 ± 14 | 39 ± 9 | <0.001 | PWPT DII; ms | 61 ± 9 | 48 ± 7 | <0.001 | TIMI-frame LAD | 37.1 ± 5.0 | 21.1 ± 1.7 | <0.001 | TIMI-frame CX | 26.7 ± 2.9 | 18.1 ± 1.6 | <0.001 | TIMI-frame RCA | 25.1 ± 2.9 | 16.4 ± 1.8 | <0.001 | Mean frame count | 27.2 ± 3 | 19.7 ± 2.0 | <0.001 |
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Values are mean ± SD; bold values are statistically significant ( ). CSFP, coronary slow flow phenomenon; NCF, normal coronary flow PWD, wave duration; PWdısp, wave dispersion; PWTF, wave terminal force; PWPT, wave peak time; QTc; corrected QT; TIMI, thrombolysis in myocardial infarction. |