Journal of Chest Surgery

  • 제37권3호
  • /
  • Pages.245-251
  • /
  • 2004
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  • 2765-1606(pISSN)
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  • 2765-1614(eISSN)
대한심장혈관흉부외과학회 (The Korean Society for Thoracic and Cardiovascular Surgery)
권호 표지

심폐바이패스 없이 시행하는 관상동맥우회술 후 혈액응고 기늠의 변화: 심폐바이패스하 관상동맥우회술 후 혈액응고 상태와의 비교

Changes of Coagulability after Off-pump CABG: Comparison with On-pump CABG

  • 장우익 (인제대학교 일산백병원 흉부외과) ;
  • 김기봉 (서울대학교 의과대학 흉부외과학교실) ;
  • 김욱성 (인제대학교 일산백병원 흉부외과) ;
  • 정철현 (인제대학교 상계백병원 흉부외과) ;
  • 허재학 (인제대학교 상계백병원 흉부외과) ;
  • 장지민 (인제대학교 상계백병원 흉부외과) ;
  • 이동순 (서울대학교 의과대학 검사의학교실) ;
  • 한규섭 (서울대학교 의과대학 검사의학교실)
  • 발행 : 2004.03.01
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초록

심폐바이패스하 관상동맥우회술과 달리 심폐바이패스 없이 시행하는 관상동맥우회술의 경우 수술 후 혈액응고 기능이 항진되어 이식편의 혈전과 같은 문제가 발생되는 것이 우려된다. 비교연구를 통하여 심폐바이패스 없이 시행하는 관상동맥우회술 후 혈액응고기능이 항진되는지를 규명하고자 하였다. 2001년 11월부터 2002년 5월까지 관상동맥우회술을 시행받은 환자 중 심폐바이패스 없이 시행하는 관상동맥우회술을 시행받은 11명(I군, 연구군)과 같은 기간에 좌심실 심첨부와 중격의 무운동성으로 관상동맥우회술과 Dor 술식을 시행받은 11명의 환자들을(II군, 대조군)비교하였다. 술후 혈액응고기능이 항진되는지를 알아보기 위해 thromboelastography 검사를 수술 전, 술 후 1, 2, 3, 5일째 시행하여 r time, k time, $\alpha$ angle, MA값을 측정하였고 동시에 혈액응고기능검사, fibrinogen, D-dimer, protein S, protein C, antithrombin III, plasminogen, 혈소판 수 등을 시행하여 비교하였다. TEG검사의 각각의 변수값과 혈액응고기능검사 중 MA값, $\alpha$ angle, 혈소판수가 양 군 간 의미있는 차이를 보였다. MA값이 I군의 경우 술 후 3일과 5일째 140$\pm$72%와 153$\pm$98%로 증가하였으나 II군의 경우 87$\pm$27%와 78$\pm$28%로 감소하였다(p<0.05). $\alpha$ angle은 술후 3일째 I군이 122$\pm$92%로 증가하였고 II군이 69$\pm$23%로 감소하였다(p=0.09). 혈소판수는 술 후 3일째 I군이 63$\pm$55%였으며 II군이 33$\pm$13%였다(p<0.05). 심폐바이패스하 관상동맥우회술과 비교하여 심폐바이패스 없이 시행하는 관상동맥우회술의 경우 혈액응고기능이 항진되며 따라서 보다 적극적인 항응고치료의 필요성이 제기된다고 할 수 있다.

Hemostatic function is regarded to be preserved after an off-pump coronary artery bypass grafting (CABG), compared to conventional CABG, and the preserved hemostatic function may increase thrombotic occlusion of the graft. We studied the changes of hemostatic variables in patients undergoing off-pump CABG, and compared to those of on-pump CABG. We studied the changes of coagulation function in 11 patients who underwent off-pump CABG (group I), and compared them with those of 11 patients who underwent on-pump CABG and Dor procedure (group II). Coagulation status was evaluated by thromboelastography and blood coagulation test preoperatively, postoperative 1$^{st}$ day, 2$^{nd}$ day, 3$^{rd}$ day, and 5$^{th}$ day, respectively. Among the variables measured by thromboelastography (such as r time, k time, $\alpha$ angle, and MA value) and blood coagulation test (such as factor Ⅶ, protein S, protein C, antithrombin III, activated protein C resistance test, plasminogen, D-dimer, prothrombin time, activated partial thromboplastin time, platelet count, hemoglobin, and fibrinogen), there were significant differences in the MA value, $\alpha$ angle, and platelet counts between the two groups. MA values were 140$\pm$72% and 153$\pm$98% in group I, and 87$\pm$27% and 78$\pm$28% in group II, at postoperative 3$^{rd}$ and 5$^{th}$ days, respectively (p<0.05). $\alpha$ angle was 122$\pm$92% in group I and 69$\pm$23% in group II at postoperative 3$^{rd}$ day (p=0.09). Platelet count was 63$\pm$55% in group I and 33$\pm$13% in group II at postoperative 3$^{rd}$ day (p<0.05). Patients who underwent off-pump CABG showed increased coagulability during postoperative periods, compared to those who underwent on-pump CABG. Our data suggest that aggressive perioperative anticoagulation therapy is warranted in patients undergoing off-pump CABG. CABG.

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