{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,29]],"date-time":"2026-10-29T08:18:18Z","timestamp":1793261898291,"version":"4.5.0"},"reference-count":93,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"3","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["ATVB"],"published-print":{"date-parts":[[2022,3]]},"abstract":"<jats:p>\n                    Over 200 million individuals worldwide are estimated to have peripheral artery disease (PAD). Although the term peripheral can refer to any outer branch of the vasculature, the focus of this review is on lower-extremity arteries. The initial sequelae of PAD often include movement-induced cramping pain in the hips and legs or loss of hair and thinning of the skin on the lower limbs. PAD progresses, sometimes rapidly, to cause nonhealing ulcers and critical limb ischemia which adversely affects mobility and muscle tone; acute limb ischemia is a medical emergency. PAD causes great pain and a high risk of amputation and ultimately puts patients at significant risk for major adverse cardiovascular events. The negative impact on patients\u2019 quality of life, as well as the medical costs incurred, are huge. Atherosclerotic plaques are one cause of PAD; however, emerging clinical data now shows that nonatherosclerotic medial arterial calcification (MAC) is an equal and distinct contributor. This\n                    <jats:italic>ATVB<\/jats:italic>\n                    In Focus article will present the recent clinical findings on the prevalence and impact of MAC in PAD, discuss the known pathways that contribute specifically to MAC in the lower extremity, and highlight gaps in knowledge and tools that limit our understanding of MAC pathogenesis.\n                  <\/jats:p>","DOI":"10.1161\/atvbaha.121.316252","type":"journal-article","created":{"date-parts":[[2022,1,27]],"date-time":"2022-01-27T05:00:11Z","timestamp":1643259611000},"page":"253-260","update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":74,"title":["Medial Arterial Calcification: A Significant and Independent Contributor of Peripheral Artery Disease"],"prefix":"10.1161","volume":"42","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1871-6915","authenticated-orcid":true,"given":"Cynthia","family":"St. Hilaire","sequence":"first","affiliation":[{"name":"Division of Cardiology, Departments of Medicine and Bioengineering, Pittsburgh Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, PA."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1161\/CIRCRESAHA.121.318535"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1038\/nrcardio.2016.179"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/S2214-109X(20)30117-0"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1161\/CIR.0000000000000757"},{"key":"e_1_3_2_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(13)61249-0"},{"key":"e_1_3_2_7_2","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMcp1507631"},{"key":"e_1_3_2_8_2","first-page":"362","article-title":"Lower extremity peripheral artery disease: diagnosis and treatment.","volume":"99","author":"Firnhaber JM","year":"2019","unstructured":"Firnhaber, JM, Powell, CS. 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