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[Distinctive response of coronary artery compared acute myocardial infarction with angina pectoris associated with angioplasty].
Kokyu To Junkan. 1990 Sep; 38(9):887-92.KT

Abstract

There has been much controversy over the mechanism of successful percutaneous transluminal coronary angioplasty (PTCA). To examine clinical and angiographic factors that might be related to a successful PTCA, we assessed 224 branches treated with emergent or elective angioplasty in evolving acute myocardial infarction (AMI) and angina pectoris (AP). The patients were divided into three groups; group 1 (G1): AP (n = 113), group 2 (G2): AMI with complete obstruction of infarct-related artery (IRA) (n = 79), group 3 (G3): AMI with incomplete obstruction of IRA (n = 32). The morphology of stenotic lesion was classified into smooth type and irregular type. The former shows concentric smooth border, the latter shows eccentric irregular border and multiple irregular border according to the Ambrose classification. Regarding the severity of the stenosis immediately after successful PTCA, there was no significant differences between G2 and G3, however in G1 it was significantly higher than in other groups (G1 vs G2 vs G3, 56% vs 81% vs 78%, p less than 0.001). Irregular type at stenotic lesions before PTCA were present in 72 of 113 branches in G1 vs 60 of 69 in G2 and G3. Regarding the incidence of acute coronary obstruction during PTCA, there was no significant differences between G1 and G2. However, in G3 it was significantly higher than in other groups (G1 vs G2 vs G3, 8% vs 9% vs 38%, p less than 0.001).(

ABSTRACT

TRUNCATED AT 250 WORDS)

Authors+Show Affiliations

Department of Cardiology, Hiroshima City Hospital.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
English Abstract
Journal Article

Language

jpn

PubMed ID

2236960

Citation

Sato, T, et al. "[Distinctive Response of Coronary Artery Compared Acute Myocardial Infarction With Angina Pectoris Associated With Angioplasty]." Kokyu to Junkan. Respiration & Circulation, vol. 38, no. 9, 1990, pp. 887-92.
Sato T, Sato H, Tateishi H, et al. [Distinctive response of coronary artery compared acute myocardial infarction with angina pectoris associated with angioplasty]. Kokyu To Junkan. 1990;38(9):887-92.
Sato, T., Sato, H., Tateishi, H., Uchida, T., & Dote, K. (1990). [Distinctive response of coronary artery compared acute myocardial infarction with angina pectoris associated with angioplasty]. Kokyu to Junkan. Respiration & Circulation, 38(9), 887-92.
Sato T, et al. [Distinctive Response of Coronary Artery Compared Acute Myocardial Infarction With Angina Pectoris Associated With Angioplasty]. Kokyu To Junkan. 1990;38(9):887-92. PubMed PMID: 2236960.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - [Distinctive response of coronary artery compared acute myocardial infarction with angina pectoris associated with angioplasty]. AU - Sato,T, AU - Sato,H, AU - Tateishi,H, AU - Uchida,T, AU - Dote,K, PY - 1990/9/1/pubmed PY - 1990/9/1/medline PY - 1990/9/1/entrez SP - 887 EP - 92 JF - Kokyu to junkan. Respiration & circulation JO - Kokyu To Junkan VL - 38 IS - 9 N2 - There has been much controversy over the mechanism of successful percutaneous transluminal coronary angioplasty (PTCA). To examine clinical and angiographic factors that might be related to a successful PTCA, we assessed 224 branches treated with emergent or elective angioplasty in evolving acute myocardial infarction (AMI) and angina pectoris (AP). The patients were divided into three groups; group 1 (G1): AP (n = 113), group 2 (G2): AMI with complete obstruction of infarct-related artery (IRA) (n = 79), group 3 (G3): AMI with incomplete obstruction of IRA (n = 32). The morphology of stenotic lesion was classified into smooth type and irregular type. The former shows concentric smooth border, the latter shows eccentric irregular border and multiple irregular border according to the Ambrose classification. Regarding the severity of the stenosis immediately after successful PTCA, there was no significant differences between G2 and G3, however in G1 it was significantly higher than in other groups (G1 vs G2 vs G3, 56% vs 81% vs 78%, p less than 0.001). Irregular type at stenotic lesions before PTCA were present in 72 of 113 branches in G1 vs 60 of 69 in G2 and G3. Regarding the incidence of acute coronary obstruction during PTCA, there was no significant differences between G1 and G2. However, in G3 it was significantly higher than in other groups (G1 vs G2 vs G3, 8% vs 9% vs 38%, p less than 0.001).(ABSTRACT TRUNCATED AT 250 WORDS) SN - 0452-3458 UR - https://www.unboundmedicine.com/medline/citation/2236960/[Distinctive_response_of_coronary_artery_compared_acute_myocardial_infarction_with_angina_pectoris_associated_with_angioplasty]_ L2 - https://medlineplus.gov/heartattack.html DB - PRIME DP - Unbound Medicine ER -