Jack Perry Strong, MD Boyd Professor Department of Pathology Russell L. Holman, Henry C. McGill, Jr., MD, Jack P. Strong, MD and Jack C. Geer, MD From the Department of Pathology, Louisiana State University School of Medicine and Charity Hospital of Louisiana, New Orleans, LA Reprinted from The American Journal of Pathology, 1958, XXXIV, No. 2, pp. 209-235 Jack P. Strong, MD and Henry C. McGill, Jr., MD From the Department of Pathology, Louisiana State University School of Medicine New Orleans, LA Reprinted from Vol. 40, No. 1, January 1962 The American Journal of Pathology Natural History of Atherosclerosis Myocardial infarct Cerebral infarct Gangrene of extremities Abdominal Aortic aneurysm Age in Years Clinical horizon Calcification Complication lesion – hemorrhage, ulceration, thrombosis Fibrous plaque Fatty streak Pathology The Value of Autopsy Studies of Atherosclerosis in Human Subjects as We Approach the 21st Century Study of Soldiers Killed in the Korean War Early Studies of Natural History in New Orleans Middle of 20th Century International Atherosclerosis Project 1960’s Community Pathology of Atherosclerosis in New Orleans 1970’s Studies of Atherosclerosis and Risk Factors in Hisayama The Akita Pathology Study 1970’s-1980’s Comparison of Atherosclerosis in Tokyo, New Orleans and Oslo Nationwide Study of Atherosclerosis in Infants and Children and Young Adults in Japan 1980’s Bogalusa Hearty Study- Atherosclerosis in Children and Youth Histological Classification of Coronary Atherosclerosis in Young Subjects 1980’s-1990’s Pathobiological Determinants of Atherosclerosis in Youth 1980’s 1990’s Coronary and Aortic Atherosclerosis in Young Men from Tokyo and New Orleans Toshiharu Ishii, William P. Newman III, Miguel A. Guzman, Yahuhiro Hosoda , Jack P. Strong Laboratory Investigation 1986; 54:561-565 Coronary Atherosclerosis in New Orleans and Japan, Men 25-44 Years of Age Percent Intimal Surface Involvement with Atherosclerotic Lesions Right Coronary Artery Circumflex Left Coronary Artery 20 20 0 0 NO Black NO White Japan Fatty Streaks Raised Lesions Left Anterior Descending Coronary 20 10 10 0 0 NO White Japan NO White Japan Combined Coronary Arteries 20 NO Black NO Black NO Black NO White Japan PDAY Pathobiological Determinants of Atherosclerosis in Youth Nationwide study of atherosclerosis in autopsied persons, 15-34 years old, conducted by 14 cooperating centers. PDAY Study Subjects Males and females aged 15-34 Death due to external causes (accidents, homicides, suicides) 2876 cases collected Institutions Participating in the Multicenter Cooperative Study, Pathobiological Determinants of Atherosclerosis in Youth University of Alabama Birmingham Medical College of Georgia Augusta Albany Medical College Albany University of Nebraska Medical Center Omaha Baylor College of Medicine Houston The Ohio State University Columbus University of Chicago Chicago Southwest Foundation for Biomedical Research San Antonio The University of Illinois Chicago The University of Texas Health Science Center San Antonio Louisiana State University Medical Center New Orleans Vanderbilt University Nashville University of Maryland Baltimore West Virginia State University Morgantown PDAY Methods of Evaluating Atherosclerosis Visual estimate of surface involved by fatty streaks and raised lesions in Sudan-IV-stained arteries by three pathologists (LSU) Computerized image analysis of lesions in photographs of arteries (OSU) Computerized image analysis of histologic sections (OSU) Risk Factors Measured in Autopsied Persons Risk Factor Marker • Serum lipoprotein cholesterol and apolipoprotein concentrations • Total cholesterol, HDL cholesterol, and apolipoproteins in post mortem serum • Smoking • Thiocyanate in post mortem serum • Blood pressure • Wall thickness of renal arteries • Diabetes mellitus • Glycosylated hemoglobin in post mortem red blood cells • Obesity • Body mass index and panniculus adiposus • DNA Polymorphisms • RFLP’s in liver DNA F85025 32 Year Old Black Male F88513 31 Year Old White Male Males White Females Black White Black Thoracic Aorta 40 Raised Legions Percent Intimal Surface 20 Fatty Streaks 0 Abdominal Aorta 60 40 20 0 Raised Legions Fatty Streaks Right Coronary 30 20 10 0 Raised Legions Fatty Streaks Intimal Surface of Right Coronary Artery involved by Athersclerosis in 351 Males at Two Risk Levels Effects* on Percentage Total Surface Involvement of Abdominal Aorta, Adjusted for other Variables Variable Unit Effect Age 5 years 5.0 Race Black-White 6.6 VLDL+LDL-C 45 mg/dl 5.4 HDL-C 20 mg/dl -3.1 Smoking Smoker-Nonsmoker 6.9 Apo B 40 mg/dl 3.9 Apo A-I 35 mg/dl -3.6 * Estimated from multiple regression analysis of 533 cases (except for Apo B and A-I 255 cases) all males – PDAY, 1990 Raised Lesions and Fatty Streaks in Three Arterial Segment for Normal (N) Borderline (B) and Definite Hypertensive (H) Aorta 50 Thoracic Percent Intimal Surface 45 Right Coronary Abdominal 40 Fatty Streaks 35 Raised Lesions 30 25 20 15 10 5 0 P Values Total Lesions Raised Lesions N B 0.9421 0.0001 H N B 0.3116 0.0001 H N B 0.0159 0.0001 H Raised Lesions in Right Coronary Artery of 30-Year-Old White Males by Risk Factor Status 20 PDAY, 1994 Percent Surface Involved 18 16 14 12 10 8 6 4 2 0 Smoking Blood Pressure Cholesterol No Yes No Yes Normal High ________________________ No Yes No Yes Normal High ________________________ Normal High F38604 30 Year Old Black Female F7166 23 Year Old Black Male Human Template – Half Aorta PDAY Abdominal Aorta Sudan Probability PDAY Abdominal Aorta Raised Probability PDAY Right Coronary Sudan Probability PDAY Right Coronary Raised Probability PDAY Abdominal Aorta Sudan Probability PDAY Abdominal Aorta Raised Probability PDAY Coronary Artery Sudan Probability PDAY Coronary Artery Raised Probability PDAY Abdominal Aorta Sudan Probability PDAY Abdominal Aorta Raised Probability PDAY Abdominal Aorta Sudan Probability PDAY Abdominal Aorta Raised Probability PDAY Right Coronary Sudan Probability PDAY Right Coronary Raised Probability PDAY Abdominal Aorta Sudan Probability PDAY Abdominal Aorta Raised Probability PDAY Right Coronary Sudan Probability PDAY Right Coronary Raised Probability PDAY, 1994 70 Percent Surface Involved N = 1,309 60 Fatty Streaks P = 0.752 50 40 Raised Lesions P = 0.025 30 20 10 0 Glycoemoglobin: Normal High Age: 15-19 Normal High 20-24 Normal High 25-29 Normal High 30-34 PDAY, 1994 50 Percent Surface Involved 45 40 35 30 25 N = 1,275 Fatty Streaks P = 0.010 Raised Lesions P = 0.0003 20 15 10 5 0 Glycohemoglobin: Age: Normal High 15-19 Normal High 20-24 Normal High 25-29 Normal High 30-34 Percent Surface Involved 14 N = 1,455 Fatty Streaks P = 0.0001 12 10 Raised Lesions P = 0.0045 8 6 4 2 0 BMI: Sex: <25 25-30 >30 _________________________ Male <25 25-30 >30 ___________________________ Female PDAY, 1994 E2 Least common receptor binding domain: 112 CYS 158 CYS E3 MOST COMMON 112 CYS 158 ARG E4 112 ARG 158 ARG Total Serum Cholesterol mg/dl) P = 0.03 200 150 188.2 166.4 179.0 (78.4-198.5) (153.4-180.5) (172.4-185.8) 155.3 147.3 160.2 (132.4-185.8) (107.6-201.7) (133.5-192.3) 100 50 N=3 N=45 N=12 0 E2 E2 N=223 N=107 N=9 E2 E3 E2 E4 E3 E3 APO E Genotype E3 E4 E4 E4 50 P = 0.0001 Percent Surface Involved 45 40 35 30.1 27.8-32.5 30 25 20 15 20.5 21.5 17.4-24.0 16.2-28.5 33.5 29.8-37.6 27.0 19.5-37.3 8.7 (5.5-13.6) 10 5 0 E2 E2 E2 E3 E2 E4 E3 E3 APO E Genotype E3 E4 E4 E4 Atherosclerosis begins in childhood with the appearance of aortic fatty streaks. Coronary fatty steaks begin to form in adolescence Most persons have coronary fatty streaks by the age 20-29 years. In the PDAY study, the association of serum lipoprotein levels with atherosclerotic lesions in young persons 15-34 years of age supports the view that control the hyperlipoproteinemia will retard the progression of atherosclerosis in the young. There is strong evidence for the effects of smoking on atherosclerosis in this young age group. The association of a hypertensive index to clinically significant raised arterial lesions is also well established in this young age group, 15-34 years of age. Elevated glycohemoglobin levels and obesity are associated with accelerated atherosclerosis in the third and fourth decades of life. Control Programs to prevent coronary heart disease should be directed toward individuals in the twenties and thirties for maximum benefits Early detection and control of hypercholesterolemia hypertension, hyperglycemia and obesity in young persons should reduce the risk of atherosclerotic disease later in life. Dietary and other habits that retard atherosclerosis should be established in childhood. Richard S. Vander Heide, MD, PhD Jack P. Strong, MD Gray T. Malcom, PhD Arthur W. Zieske, MD Dana A. Troxclair, MD Grace B. Athas, PhD Cynthia J. Sprow, BS Penelope H. Strenge, MS, MT (ASCP)