Gender and the extent of coronary atherosclerosis, plaque composition, and clinical outcomes in acute coronary syndromes

Alexandra J. Lansky, Vivian G. Ng, Akiko Maehara, Giora Weisz, Amir Lerman, Gary S. Mintz, Bernard De Bruyne, Naim Farhat, Gary Niess, Ivana Jankovic, Dana Lazar, Ke Xu, Martin Fahy, Patrick W. Serruys, Gregg W. Stone

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Abstract

Objectives: This study sought to assess the extent and composition of atherosclerosis contributing to acute coronary syndrome events in women compared with men. Background: Pathological studies suggest that plaque composition and burden may differ by sex. It is unclear whether sex impacts the extent, characteristics, and potential vulnerability of coronary plaques. Methods: A total of 697 patients (24% women) with acute coronary syndromes were enrolled in the prospective, multicenter PROSPECT (Providing Regional Observations to Study Predictors of Events in the Coronary Tree) study. Three-vessel multimodality intracoronary imaging (quantitative coronary angiography, grayscale, and radiofrequency intravascular ultrasound [IVUS]) was performed after treatment of the culprit lesion(s). Events during a median 3.4-year follow-up were ascribed to recurrent culprit versus untreated nonculprit lesions. The authors performed a post hoc, sex-based subgroup analysis. Results: Women were older and had more comorbid disease than men. By angiography, women had a similar number of angiographic culprit (p = 0.53) but fewer nonculprit (p = 0.05) lesions, and fewer vessels with nonculprit lesions (p = 0.048) compared with men even after multivariable adjustment (p = 0.002). By IVUS, women had fewer nonculprit lesions (p = 0.002), but similar plaque burden (PB) per lesion (55.6% vs. 55.3%; p = 0.35), and female sex was not predictive of severe (>70%) PB (p = 0.052). Plaque rupture was less common in women (6.6% vs. 16.3%; p = 0.002) even after adjusting for comorbidities (p = 0.004), as was the total necrotic core volume (p < 0.0001). The frequency of other plaque phenotypes was similar for men and women including pathological intimal thickening, thin-cap fibroatheromas (TCFA), and thick-cap fibroatheromas. Rates of major adverse cardiovascular events attributed to culprit and nonculprit lesions at 1-, 2-, and 3-year follow-up were not significantly different between men and women, although women were rehospitalized more frequently due to culprit lesionrelated angina. For men, nonculprit lesion minimal lumen area ≤4.0 mm 2, PB <70%, and TCFA predicted nonculprit MACE at 3 years, whereas for women, only TCFA and PB were predictive. Conclusions: The PROSPECT study validates that despite having more comorbid risk factors than men, women have less extensive coronary artery disease by both angiographic and IVUS measures, and that lesions in women compared with men have less plaque rupture, less necrotic core and calcium, similar plaque burden, and smaller lumens. TCFA may also be a stronger marker of plaque vulnerability in women than men.

Original languageEnglish (US)
JournalJACC: Cardiovascular Imaging
Volume5
Issue number3 SUPPL.
DOIs
StatePublished - Mar 2012

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Acute Coronary Syndrome
Coronary Artery Disease
Rupture
Tunica Intima
Coronary Angiography
Comorbidity
Atherosclerosis
Angiography

Keywords

  • acute coronary syndromes
  • atherosclerosis
  • sex

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Radiology Nuclear Medicine and imaging

Cite this

Gender and the extent of coronary atherosclerosis, plaque composition, and clinical outcomes in acute coronary syndromes. / Lansky, Alexandra J.; Ng, Vivian G.; Maehara, Akiko; Weisz, Giora; Lerman, Amir; Mintz, Gary S.; De Bruyne, Bernard; Farhat, Naim; Niess, Gary; Jankovic, Ivana; Lazar, Dana; Xu, Ke; Fahy, Martin; Serruys, Patrick W.; Stone, Gregg W.

In: JACC: Cardiovascular Imaging, Vol. 5, No. 3 SUPPL., 03.2012.

Research output: Contribution to journalArticle

Lansky, AJ, Ng, VG, Maehara, A, Weisz, G, Lerman, A, Mintz, GS, De Bruyne, B, Farhat, N, Niess, G, Jankovic, I, Lazar, D, Xu, K, Fahy, M, Serruys, PW & Stone, GW 2012, 'Gender and the extent of coronary atherosclerosis, plaque composition, and clinical outcomes in acute coronary syndromes', JACC: Cardiovascular Imaging, vol. 5, no. 3 SUPPL.. https://doi.org/10.1016/j.jcmg.2012.02.003
Lansky, Alexandra J. ; Ng, Vivian G. ; Maehara, Akiko ; Weisz, Giora ; Lerman, Amir ; Mintz, Gary S. ; De Bruyne, Bernard ; Farhat, Naim ; Niess, Gary ; Jankovic, Ivana ; Lazar, Dana ; Xu, Ke ; Fahy, Martin ; Serruys, Patrick W. ; Stone, Gregg W. / Gender and the extent of coronary atherosclerosis, plaque composition, and clinical outcomes in acute coronary syndromes. In: JACC: Cardiovascular Imaging. 2012 ; Vol. 5, No. 3 SUPPL.
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abstract = "Objectives: This study sought to assess the extent and composition of atherosclerosis contributing to acute coronary syndrome events in women compared with men. Background: Pathological studies suggest that plaque composition and burden may differ by sex. It is unclear whether sex impacts the extent, characteristics, and potential vulnerability of coronary plaques. Methods: A total of 697 patients (24{\%} women) with acute coronary syndromes were enrolled in the prospective, multicenter PROSPECT (Providing Regional Observations to Study Predictors of Events in the Coronary Tree) study. Three-vessel multimodality intracoronary imaging (quantitative coronary angiography, grayscale, and radiofrequency intravascular ultrasound [IVUS]) was performed after treatment of the culprit lesion(s). Events during a median 3.4-year follow-up were ascribed to recurrent culprit versus untreated nonculprit lesions. The authors performed a post hoc, sex-based subgroup analysis. Results: Women were older and had more comorbid disease than men. By angiography, women had a similar number of angiographic culprit (p = 0.53) but fewer nonculprit (p = 0.05) lesions, and fewer vessels with nonculprit lesions (p = 0.048) compared with men even after multivariable adjustment (p = 0.002). By IVUS, women had fewer nonculprit lesions (p = 0.002), but similar plaque burden (PB) per lesion (55.6{\%} vs. 55.3{\%}; p = 0.35), and female sex was not predictive of severe (>70{\%}) PB (p = 0.052). Plaque rupture was less common in women (6.6{\%} vs. 16.3{\%}; p = 0.002) even after adjusting for comorbidities (p = 0.004), as was the total necrotic core volume (p < 0.0001). The frequency of other plaque phenotypes was similar for men and women including pathological intimal thickening, thin-cap fibroatheromas (TCFA), and thick-cap fibroatheromas. Rates of major adverse cardiovascular events attributed to culprit and nonculprit lesions at 1-, 2-, and 3-year follow-up were not significantly different between men and women, although women were rehospitalized more frequently due to culprit lesionrelated angina. For men, nonculprit lesion minimal lumen area ≤4.0 mm 2, PB <70{\%}, and TCFA predicted nonculprit MACE at 3 years, whereas for women, only TCFA and PB were predictive. Conclusions: The PROSPECT study validates that despite having more comorbid risk factors than men, women have less extensive coronary artery disease by both angiographic and IVUS measures, and that lesions in women compared with men have less plaque rupture, less necrotic core and calcium, similar plaque burden, and smaller lumens. TCFA may also be a stronger marker of plaque vulnerability in women than men.",
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TY - JOUR

T1 - Gender and the extent of coronary atherosclerosis, plaque composition, and clinical outcomes in acute coronary syndromes

AU - Lansky, Alexandra J.

AU - Ng, Vivian G.

AU - Maehara, Akiko

AU - Weisz, Giora

AU - Lerman, Amir

AU - Mintz, Gary S.

AU - De Bruyne, Bernard

AU - Farhat, Naim

AU - Niess, Gary

AU - Jankovic, Ivana

AU - Lazar, Dana

AU - Xu, Ke

AU - Fahy, Martin

AU - Serruys, Patrick W.

AU - Stone, Gregg W.

PY - 2012/3

Y1 - 2012/3

N2 - Objectives: This study sought to assess the extent and composition of atherosclerosis contributing to acute coronary syndrome events in women compared with men. Background: Pathological studies suggest that plaque composition and burden may differ by sex. It is unclear whether sex impacts the extent, characteristics, and potential vulnerability of coronary plaques. Methods: A total of 697 patients (24% women) with acute coronary syndromes were enrolled in the prospective, multicenter PROSPECT (Providing Regional Observations to Study Predictors of Events in the Coronary Tree) study. Three-vessel multimodality intracoronary imaging (quantitative coronary angiography, grayscale, and radiofrequency intravascular ultrasound [IVUS]) was performed after treatment of the culprit lesion(s). Events during a median 3.4-year follow-up were ascribed to recurrent culprit versus untreated nonculprit lesions. The authors performed a post hoc, sex-based subgroup analysis. Results: Women were older and had more comorbid disease than men. By angiography, women had a similar number of angiographic culprit (p = 0.53) but fewer nonculprit (p = 0.05) lesions, and fewer vessels with nonculprit lesions (p = 0.048) compared with men even after multivariable adjustment (p = 0.002). By IVUS, women had fewer nonculprit lesions (p = 0.002), but similar plaque burden (PB) per lesion (55.6% vs. 55.3%; p = 0.35), and female sex was not predictive of severe (>70%) PB (p = 0.052). Plaque rupture was less common in women (6.6% vs. 16.3%; p = 0.002) even after adjusting for comorbidities (p = 0.004), as was the total necrotic core volume (p < 0.0001). The frequency of other plaque phenotypes was similar for men and women including pathological intimal thickening, thin-cap fibroatheromas (TCFA), and thick-cap fibroatheromas. Rates of major adverse cardiovascular events attributed to culprit and nonculprit lesions at 1-, 2-, and 3-year follow-up were not significantly different between men and women, although women were rehospitalized more frequently due to culprit lesionrelated angina. For men, nonculprit lesion minimal lumen area ≤4.0 mm 2, PB <70%, and TCFA predicted nonculprit MACE at 3 years, whereas for women, only TCFA and PB were predictive. Conclusions: The PROSPECT study validates that despite having more comorbid risk factors than men, women have less extensive coronary artery disease by both angiographic and IVUS measures, and that lesions in women compared with men have less plaque rupture, less necrotic core and calcium, similar plaque burden, and smaller lumens. TCFA may also be a stronger marker of plaque vulnerability in women than men.

AB - Objectives: This study sought to assess the extent and composition of atherosclerosis contributing to acute coronary syndrome events in women compared with men. Background: Pathological studies suggest that plaque composition and burden may differ by sex. It is unclear whether sex impacts the extent, characteristics, and potential vulnerability of coronary plaques. Methods: A total of 697 patients (24% women) with acute coronary syndromes were enrolled in the prospective, multicenter PROSPECT (Providing Regional Observations to Study Predictors of Events in the Coronary Tree) study. Three-vessel multimodality intracoronary imaging (quantitative coronary angiography, grayscale, and radiofrequency intravascular ultrasound [IVUS]) was performed after treatment of the culprit lesion(s). Events during a median 3.4-year follow-up were ascribed to recurrent culprit versus untreated nonculprit lesions. The authors performed a post hoc, sex-based subgroup analysis. Results: Women were older and had more comorbid disease than men. By angiography, women had a similar number of angiographic culprit (p = 0.53) but fewer nonculprit (p = 0.05) lesions, and fewer vessels with nonculprit lesions (p = 0.048) compared with men even after multivariable adjustment (p = 0.002). By IVUS, women had fewer nonculprit lesions (p = 0.002), but similar plaque burden (PB) per lesion (55.6% vs. 55.3%; p = 0.35), and female sex was not predictive of severe (>70%) PB (p = 0.052). Plaque rupture was less common in women (6.6% vs. 16.3%; p = 0.002) even after adjusting for comorbidities (p = 0.004), as was the total necrotic core volume (p < 0.0001). The frequency of other plaque phenotypes was similar for men and women including pathological intimal thickening, thin-cap fibroatheromas (TCFA), and thick-cap fibroatheromas. Rates of major adverse cardiovascular events attributed to culprit and nonculprit lesions at 1-, 2-, and 3-year follow-up were not significantly different between men and women, although women were rehospitalized more frequently due to culprit lesionrelated angina. For men, nonculprit lesion minimal lumen area ≤4.0 mm 2, PB <70%, and TCFA predicted nonculprit MACE at 3 years, whereas for women, only TCFA and PB were predictive. Conclusions: The PROSPECT study validates that despite having more comorbid risk factors than men, women have less extensive coronary artery disease by both angiographic and IVUS measures, and that lesions in women compared with men have less plaque rupture, less necrotic core and calcium, similar plaque burden, and smaller lumens. TCFA may also be a stronger marker of plaque vulnerability in women than men.

KW - acute coronary syndromes

KW - atherosclerosis

KW - sex

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