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Acute Aortic Disease.. - Index of

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Epidemiology: Incidence, Prevalence, and Trends 93<br />

Table 1 Summary <strong>of</strong> Available Information on Incidence <strong>of</strong> Aneurysm<br />

<strong>Disease</strong> (Continued)<br />

Benefit <strong>of</strong> screening programs (all re: AAA)<br />

Cost per life saved is approximately $10,000 (10).<br />

A single negative ultrasound screening at 65 yrs suffices, as this virtually excludes future<br />

risk <strong>of</strong> AAA rupture or AAA-related death (4).<br />

Decision-making (all re: AAA) (see chapter 12 for TAA)<br />

HSTAT meta-analysis <strong>of</strong> surgical intervention criteria for AAA leads to the<br />

following conclusions:<br />

3.0–3.9 cm AAA Very low risk <strong>of</strong> rupture Periodic surveillance<br />

4.0–5.4 cm AAA Yearly rupture rate ∼1% Surgery or surveillance<br />

5.5 cm or larger AAA<br />

Trends<br />

Substantial rupture risk Surgery advised<br />

The incidence <strong>of</strong> rAAA is increasing The incidence <strong>of</strong> TAA is increasing<br />

dramatically (7) dramatically (8)<br />

1971–1986: 4.9/100,000 patient-Yr<br />

Current: 10.6/100,000 patient-Yr<br />

Increased three times over 15 yrs<br />

Abbreviations: AAA, abdominal aortic aneurysm; AAD, acute aortic dissection; CAD, coronary artery<br />

disease; HSTAT, health services/ technology assessment text; TAA, thoracic aortic aneurysm.<br />

Table 2 Leading Causes <strong>of</strong> Death<br />

Ages 65+ All ages<br />

Heart disease 563,390 Heart disease 685,089<br />

Cancer 388,911 Cancer 556,902<br />

Stroke 138,134 Stroke 157,689<br />

COPD 109,139 COPD 126,382<br />

Alzheimer’s 62,814 Trauma 106,277<br />

Influenza 57,670 Diabetes 74,219<br />

Diabetes 54,919 Influenza 65,183<br />

Kidney disease 35,254 Alzheimer’s 63,457<br />

Trauma 34,335 Kidney failure 42,453<br />

Septicemia 26,445 Septicemia 34,069<br />

Hypertension 18,657 Suicide 31,484<br />

Parkinson’s 17,566 Liver disease 27,503<br />

Pneumonia 15,850 Hypertension 21,940<br />

Arteriosclerosis 12,336 Parkinson’s 17,997<br />

<strong>Aortic</strong> aneurysm 12,040 Homicide 17,732<br />

Benign neoplasm 10,838 Pneumonia 17,335<br />

Liver disease 10,210 <strong>Aortic</strong> aneurysm 14,810<br />

Suicide 5,248 Perinatal 14,378<br />

Anemia 3,539 HIV 13,658<br />

Peptic ulcer 3,110 Benign neoplasm 13,563<br />

Abbreviation: COPD, chronic obstructive pulmonary disease.<br />

Source: From Ref. 3.

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