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- Title
Early Post-Infarction Angina: Usefulness of Dipyridamole–Echocardiography Test.
- Authors
Picano, E.; Lattanzi, F.; Masini, M.; Distante, A.; L'abbate, A.
- Abstract
Thirty-nine patients with early post-infarction angina (all with significant, angiographically assessed coronary artery disease and a baseline asynergy on 2-D echo), performed a dipyridamole–echocardiography test (DET: 2-D echo monitoring with dipyridamole infusion, 0·14 mg kg−1 min−1 for 4 min). Twenty-nine patients had a positive DET(sensitivitv = 74%). Two mechanical patterns of DET-positivity could be identified: (1)a worsening of the asynergy in that same region showing a baseline asynergy (11 patients); (2)a ‘de novo’ asynergy in a region remote from the one showing a baseline asynergy (18 patients); The prevalence of single-vessel disease was significantly higher in patients with type 1 positivity pattern (6 single-, three double- and two triple-vessel disease), while patients with type 2 positivity always showed a multivessel coronary involvement (8 double-, 10 triple-vessel disease). In 4 of the 10 patients with 3-vessel disease and type 2 asynergy, such asynergy developed in a territory different from the one supplied by the more stenotic non-infarct-related vessel.In conclusion, DET represents a safe and feasible tool effectively to localize ischaemia, relative to the infarcted region, and to evaluate the haetnodynamic signficance of coronary lesions in patients with post-infarction angina.
- Publication
European Heart Journal, 1986, Vol 7, Issue suppl_C, p55
- ISSN
0195-668X
- Publication type
Article
- DOI
10.1093/eurheartj/7.suppl_c.55