Study of 43 SSc patients w/ gangrene shows Smoking Hx ; positive-ACA, ANCA, APL Abs & high ESR were independent risk factors for digital gangrenes in SSc. Vasculitis and macrovascular disease may contribute to the progression of digital gangrene https://t.co/YmwurwymLb https://t.co/RiOIkbIEXM