Samuwar thrombus yana da alaƙa da raunin endothelial na jijiyoyin jini, hypercoagulability na jini, da raguwar jini.Saboda haka, mutanen da ke da waɗannan abubuwan haɗari guda uku suna da haɗari ga thrombus.

1. Mutanen da ke fama da rauni na jijiyar jijiyoyi, irin su wadanda aka yi wa bugun jini, venous catheterization, da dai sauransu, saboda lalacewar endothelium na jijiyar jini, ƙwayoyin collagen da aka fallasa a ƙarƙashin endothelium na iya kunna platelets da coagulation dalilai, wanda zai iya fara coagulation na endogenous.Tsarin yana haifar da thrombosis.

2. Mutanen da jininsu ke cikin yanayin hawan jini, kamar majiyyatan da ke da muggan ciwace-ciwacen daji, da lupus erythematosus, da rauni mai tsanani ko babban tiyata, suna da abubuwan da ke haifar da coagulation a cikin jininsu kuma suna iya yin coagulation fiye da na al'ada, don haka suna da wuya su iya yin coagulation. don samar da thrombosis.Wani misali kuma shi ne mutanen da suke shan maganin hana haihuwa, estrogen, progesterone da sauran magunguna na dogon lokaci, aikin hadakar jininsu ma zai yi tasiri, kuma yana da saukin samu gudan jini.

3. Mutanen da jininsu ya ragu, kamar wadanda suka dade a zaune suna wasan mahjong, kallon talabijin, karatu, karatun tattalin arziki, ko kuma su dade a gado, rashin motsa jiki na iya haifar da Gudun jini don ragewa ko ma stagnate Samuwar vortices yana lalata yanayin jini na al'ada, wanda zai kara yawan damar platelet, sel endothelial da abubuwan coagulation don haɗuwa, kuma yana da sauƙi don samar da thrombus.