凝(ning)血(xue)(xue)(xue)功能(neng)(neng)(neng)是(shi)機體維(wei)持(chi)血(xue)(xue)(xue)管壁完整(zheng)性并防(fang)止(zhi)出(chu)血(xue)(xue)(xue)的(de)(de)重(zhong)(zhong)要生(sheng)理功能(neng)(neng)(neng)。據(ju)統計,重(zhong)(zhong)癥(zheng)患者入住(zhu)重(zhong)(zhong)癥(zheng)監護病(bing)房(intensive care unit,ICU)時,血(xue)(xue)(xue)小(xiao)板減(jian)少的(de)(de)發生(sheng)率(lv)(lv)可(ke)(ke)達(da)40.0%~67.6%,國際標準化(hua)比(bi)值(international normalized ratio,INR)≥1.5的(de)(de)發生(sheng)率(lv)(lv)可(ke)(ke)超過66%。發生(sheng)凝(ning)血(xue)(xue)(xue)功能(neng)(neng)(neng)障(zhang)(zhang)礙的(de)(de)重(zhong)(zhong)癥(zheng)患者不(bu)僅(jin)出(chu)血(xue)(xue)(xue)事件及(ji)輸血(xue)(xue)(xue)量(liang)顯著增加,而且更(geng)容易發展為(wei)多器(qi)官功能(neng)(neng)(neng)衰(shuai)竭,其病(bing)死(si)率(lv)(lv)也(ye)比(bi)凝(ning)血(xue)(xue)(xue)功能(neng)(neng)(neng)正(zheng)常(chang)的(de)(de)患者升高4倍(bei)以上。早期識(shi)別凝(ning)血(xue)(xue)(xue)功能(neng)(neng)(neng)障(zhang)(zhang)礙并準確評估凝(ning)血(xue)(xue)(xue)功能(neng)(neng)(neng)[7],是(shi)盡快糾正(zheng)凝(ning)血(xue)(xue)(xue)功能(neng)(neng)(neng)障(zhang)(zhang)礙的(de)(de)前提(ti)及(ji)保障(zhang)(zhang)。