A Quantitative Trait Locus (LSq-1) on Mouse Chromosome 7 Is Linked to the Absence of Tissue Loss After Surgical Hindlimb Ischemia
Author(s) -
Ayotunde O. Dokun,
Sehoon Keum,
Surovi Hazarika,
Yongjun Li,
Gregory LaMonte,
Ferrin C. Wheeler,
Douglas A. Marchuk,
Brian H. Annex
Publication year - 2008
Publication title -
circulation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 7.795
H-Index - 607
eISSN - 1524-4539
pISSN - 0009-7322
DOI - 10.1161/circulationaha.107.736447
Subject(s) - ischemia , claudication , medicine , hindlimb , quantitative trait locus , locus (genetics) , perfusion , intermittent claudication , pathology , amputation , genetics , biology , vascular disease , surgery , gene , arterial disease
Peripheral arterial disease (PAD) caused by occlusive atherosclerosis of the lower extremity has 2 major clinical manifestations. Critical limb ischemia is characterized by rest pain and/or tissue loss and has a > or = 40% risk of death and major amputation. Intermittent claudication causes pain on walking, has no tissue loss, and has amputation plus mortality rates of 2% to 4% per year. Progression from claudication to limb ischemia is infrequent. Risk factors in most PAD patients overlap. Thus, we hypothesized that genetic variations may be linked to presence or absence of tissue loss in PAD.
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