<p>A large research cohort of Geisinger Abdominal Aortic Aneurysm (AAA) patients was created by enrolling and consenting patients     of the Geisinger Department of Vascular Surgery.  Consented patients provide blood, serum and DNA samples for research and authorize     use of data in their medical record for research.  They also complete a data questionnaire that asks information about family history     of AAA and other vascular diseases, as well as information on known or suspected AAA risk factors, including smoking history,     body mass index, hypertension, type 2 diabetes, and atherosclerotic disease. The AAA cases are 78% male, with a mean age     of 74 years; 39% have undergone surgical or endovascular repair; more than 85% or current or past smokers; approximately 20% of     cases report a positive family history of AAA.  Geisinger AAA patients undergo regular imaging studies, typically every 6 months,     to monitor the progression of aneurysm expansion.  This allows the growth rates of their aneurysm to be calculated. DNA samples from     a total of 910 AAA patients were used for whole genome genotyping; these results are included in the dbGaP.</p>

Geisinger eMERGE - Abdominal Aortic Aneurysm Project (AAAP)

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