Journal of cardiovascular medicine (Hagerstown, Md.) · 2013
Predictors of complicated athero-thrombotic lesions in non-ST segment acute coronary syndrome.
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Taglieri Nevio, Dall'Ara Gianni, Rapezzi Claudio, Saia Francesco, Cinti Laura, Rosmini Stefania, Alessi Laura, Vagnarelli Fabio, Moretti Carolina, Palmerini Tullio, Marrozzini Cinzia, Montefiori Michela, Branzi Angelo, Marzocchi Antonio
Аннотация
AIMS: Non-ST segment elevation acute coronary syndrome (NSTE-ACS) is a heterogeneous syndrome in terms of patho-physiological mechanisms and prognosis. We sought to investigate the clinical features associated with complicated athero-thrombotic (CAT) coronary lesions and their prognostic relevance in NSTE-ACS.
METHODS: We enrolled 701 consecutive NSTE-ACS patients without previous coronary bypass undergoing coronary angiography. The study population was divided into two groups according to the presence/absence of angiographic signs of endoluminal thrombi and/or plaque rupture, defined as CAT lesions. Multivariable analyses were used to identify predictors of CAT lesions. Their relation to composite endpoint of death, re-myocardial infarction, and re-unstable angina was investigated with the use of multivariable logistic regression.
RESULTS: Patients with CAT lesions (n = 279, 40%) had a higher incidence of the combined endpoint (11.5 vs. 4.3%; P < 0.001). On multivariable analysis male sex [odds ratio (OR) 1.64, 95% confidence interval (CI) 1.17-2.30, P = 0.004], previous percutaneous coronary intervention (PCI) (OR 0.48, 95% CI 0.32-0.72, P < 0.001), severe angina (OR 1.72, 95% CI 1.18-2.52, P = 0.005) and anterior (i.e. V1-V4) ST segment depression (STD) were independently associated with CAT lesions (OR 1.71, 95% CI 1.14-2.57, P = 0.01). After adjustment for the Global Registry of Acute Coronary Events (GRACE) score only the presence of anterior STD emerged as an independent predictor of the clinical endpoint (OR 2.68, 95% CI 1.38-5.20, P = 0.003). The incorporation of anterior STD into the GRACE risk score showed an important trend toward improving prediction of endpoint as assessed by c-statistic (0.72 vs. 0.67; P = 0.08).
CONCLUSION: In patients with NSTE-ACS male sex, severe angina and anterior STD were associated with an increased risk of CAT lesions. Patients with anterior STD were also at increased risk of in-hospital clinical events.
METHODS: We enrolled 701 consecutive NSTE-ACS patients without previous coronary bypass undergoing coronary angiography. The study population was divided into two groups according to the presence/absence of angiographic signs of endoluminal thrombi and/or plaque rupture, defined as CAT lesions. Multivariable analyses were used to identify predictors of CAT lesions. Their relation to composite endpoint of death, re-myocardial infarction, and re-unstable angina was investigated with the use of multivariable logistic regression.
RESULTS: Patients with CAT lesions (n = 279, 40%) had a higher incidence of the combined endpoint (11.5 vs. 4.3%; P < 0.001). On multivariable analysis male sex [odds ratio (OR) 1.64, 95% confidence interval (CI) 1.17-2.30, P = 0.004], previous percutaneous coronary intervention (PCI) (OR 0.48, 95% CI 0.32-0.72, P < 0.001), severe angina (OR 1.72, 95% CI 1.18-2.52, P = 0.005) and anterior (i.e. V1-V4) ST segment depression (STD) were independently associated with CAT lesions (OR 1.71, 95% CI 1.14-2.57, P = 0.01). After adjustment for the Global Registry of Acute Coronary Events (GRACE) score only the presence of anterior STD emerged as an independent predictor of the clinical endpoint (OR 2.68, 95% CI 1.38-5.20, P = 0.003). The incorporation of anterior STD into the GRACE risk score showed an important trend toward improving prediction of endpoint as assessed by c-statistic (0.72 vs. 0.67; P = 0.08).
CONCLUSION: In patients with NSTE-ACS male sex, severe angina and anterior STD were associated with an increased risk of CAT lesions. Patients with anterior STD were also at increased risk of in-hospital clinical events.
Предметные рубрики MeSH
Acute Coronary SyndromeAgedAged, 80 and overAngina, UnstableChi-Square DistributionCoronary AngiographyCoronary Artery DiseaseCoronary ThrombosisDisease ProgressionFemaleHumansKaplan-Meier EstimateLogistic ModelsMaleMiddle AgedMultivariate AnalysisMyocardial InfarctionOdds RatioPlaque, AtheroscleroticPredictive Value of TestsRecurrenceRetrospective StudiesRisk FactorsRupture, Spontaneous