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THE EFFECT OF FIBRINOGEN INFUSION APPLIED AFTER CARDIOPULMONARY BYPASS ON BLEEDING IN CORONARY ARTERY BYPASS GRAFT SURGERY: RETROSPECTIVE COMPARATIVE STUDY

Year 2022, , 392 - 398, 17.10.2022
https://doi.org/10.18229/kocatepetip.986997

Abstract

OBJECTIVE: The effect of administered fibrinogen concentrates in reducing the risk of postoperative bleeding that remains a serious problem in open heart surgery is controversial. We aimed to present the effect of fibrinogen concentrates on postoperative bleeding applied after cardiopulmonary bypass (CPB) in coronary artery bypass grafting (CABG).
MATERIAL AND METHODS: 67 patients who underwent CABG and measured below 2.5 g / L fibrinogen after CPB were included in the study. Data of 32 patients (Group F; n=32 patients) who were given fibrinogen concentrate were compared with 35 patients (Group NF; n=35 patients) who were not given fibrinogen concentrate.
RESULTS: After CPB, fibrinogen concentrate was applied to patients in order to increase fibrinogen levels to 2.5 g/L and above. For both groups, fibrinogen levels decreased significantly after CPB compared to preoperative levels (p<0.01), however, there was no difference between the groups in terms of reduction rate (p = 0.321). 2.94±0.91 g fibrinogen was administered to the patients in Group F. Postoperative drainage between the groups was not significant in both the 0-12 hour period (p=0.142) and 12-24 hour period(p = 0.309).
CONCLUSIONS: Fibrinogen concentrate may reduce the amount of postoperative drainage with secondary effects which increased low plasma fibrinogen levels and contributes to recovery of coagulation physiology. However, because this decrease was not statistically significant, we think that fibrinogen concentrates should be used only in patients with a high risk of bleeding and in patients with fibrinogen levels below <1.5 g/L after CPB.

References

  • 1.Kannel WB. Overview of hemostatic factors involved in atherosclerotic cardiovascular disease. Lipids. 2005;40(12):1215-20.
  • 2.Gielen C, Dekkers O, Stijnen T, et al. The effects ofpre- and postoperative fibrinogen levels on blood loss after cardiac surgery: a systematic review and meta-analysis. Interactive CardioVascular and Thoracic Surgery. 2014;18:292–9.
  • 3. Ucar HI, Oc M, Tok M, et al. Preoperative Fibrinogen Levels as a Predictor of Postoperative Bleeding after Open Heart Surgery. The Heart Surgery Forum. 2007;10(5):392-6.
  • 4.Paparella D, Brister SJ, Buchanan MR. Coagulation disorders of cardiopulmonary bypass: a review. Intensive Care Med. 2004;30:1873–81.
  • 5.Kindo M, Minh TM, Gerelli S, et al. Plasma fibrinogenlevel on admission to the intensive care unit is a powerful predictor of postoperative bleeding after cardiac surgery with cardiopulmonary bypass. Thrombosis Research. 2014;134(2):360-8.
  • 6.Cardoso TAAM, Neto CN, Silva CGS, et al. Use of lyophilized fibrinogen concentrate in cardiac surgery: a systematic review. Heart, Lung and Vessels. 2015;7(1):47-53.
  • 7.Karlsson M, Ternström L, Hyllner M, et al. Prophylactic fibrinogen infusion reduces bleeding after coronary artery bypass surgery. A prospective randomised pilot study. Thromb. Haemost. 2009;102:137–44.
  • 8.Jeppsson A, Waldén K, Roman-Emanuel C, et al. Preoperative supplementation with fibrinogen concentrate in cardiac surgery: A randomized controlled study. British Journal of Anaesthesia. 2016;116(2):208-14.
  • 9. Solomon C, Pichlmaier U, Schoechl H, et al. Recovery of fibrinogen after administration of fibrinogen concentrate to patients with severe bleeding after cardiopulmonary bypass surgery. Br J Anaesth. 2010;104(5):555–62.
  • 10. Ranucci M, Jeppsson A, Baryshnikova E. Pre-operative fibrinogen supplementation in cardiac surgery patients: an evaluation of different trigger values. Acta Anaesthesiol Scand. 2015;59(4):427-33.
  • 11.https://www.fda.gov/downloads/Biolog...inonatedPlasmaProducts/ucm094006.pdf Erişim Tarihi: 13.12.2016.
  • 12.Dyke C, Aronson S, Dietrich W, et al. Universal definition of perioperative bleeding in adult cardiac surgery. J Thorac Cardiovasc Surg. 2014;147:1458–63.
  • 13. Ateş M, Kayacıoğlu İ, Şaşkın H ve ark. Açık Kalp Cerrahisi Sonrası Kanama Nedeniyle Yapılan Revizyon Ameliyatları (2 Yıllık İzlem). Türk Göğüs Kalp Damar Cer Derg. 2003;11:207-10.
  • 14. Pavie A, Szefner J, Leger P, Gandjbakhch I. Preventing, minimizing, and managing postoperative bleeding. Ann Thorac Surg. 1999;68:705-10.
  • 15. Kurnaz F, Ulaş T. Antifibrinolitik Ajanlar. Turkiye Klinikleri J Hematol-Special Topics. 2016;9(4):63-7.
  • 16. Blome M, Isgro F, Kiessling AH, et al. Relationship between factor XIII activity, fibrinogen, haemostasis screening tests and postopera-tive bleeding in cardiopulmonary bypass surgery. Thromb Haemost. 2005;93:1101-7.
  • 17. Levy HJ, Welsby I, Goodnough LT. Fibrinogen as a therapeutic target for bleeding: a review of critical levels and replacement therapy. Transfusion. 2014;54(5):1389-405.
  • 18. Hiippala ST, Myllyla GJ, Vahtera EM. Hemostatic factors and replacement of major blood loss with plasma-poor red cell concentrates. Anesth Analg. 1995;81(2):360-5.
  • 19. Esmaeelzadeh M, Amini Sh, Soltani Gh, et al. Exogenous Fibrinogen Pertains Beneficial Effects in Managing Post-Cardiac Surgery Bleeding: A Randomized Clinical Trial. J Cardiothorac Med. 2016;4(3):474-9.
  • 20. Ternström L, Radulovic V, Karlsson M, et al. Plasma activity of individual coagulation factors, hemodilution and blood loss after cardiac surgery: a prospective observational study. Thromb Res. 2010;126(2):128-33.
  • 21. Momeni M, Carlier C, Baele P, et al. Fibrinogen Concentration Significantly Decreases After On-Pump Versus Off-Pump Coronary Artery Bypass Surgery: A Systematic Point-of-Care ROTEM Analysis. Journal of Cardiothoracic and Vascular Anesthesia. 2013;27(1):5-11.
  • 22. Karlsson M, Ternström L, Hyllner M, et al. Plasma fibrinogen level, bleeding, and transfusions after on-pump coronary artery bypass grafting surgery: a prospective observational study. Transfusion. 2008;48:2152-8.
  • 23. Alagha S, Songur M, Avcı T, et al. Association of preoperative plasma fibrinogen level with postoperative bleeding after on-pump coronary bypass surgery: does plasma fibrinogen level affect the amount of postoperative bleeding? Interactive CardioVascular and Thoracic Surgery. 2018;27:671–6.
  • 24. Kamath S, Lıp Gyh. Fibrinogen: biochemistry, epidemiology and determinants. Q J Med. 2003;96:711–29.
  • 25. Ranucci M, Pistuddi V, Baryshnikova E, et al. Fibrinogen Levels After Cardiac Surgical Procedures: Association With Postoperative Bleeding, Trigger Values, and Target Values. Ann Thorac Surg. 2016;102:78–85.
  • 26. Ranucci M. Fibrinogen supplementation in cardiac surgery: where are we now and where are we going? J Cardiothorac Vasc Anesth. 2013;27(1):1-4.
  • 27. Kozek-Langenecker SA, Ahmed AB, Afshari A, et al. Management of severe perioperative bleeding: guidelines from the European Society of Anaesthesiology. Eur J Anaesthesiol. 2017;34:332–95.
  • 28. Sadeghi M, Atefyektaa R, Azimaraghi O, et al. A randomized, double blind trial of prophylactic fibrinogen to reduce bleeding in cardiac surgery. Rev Bras Anestesiol. 2014;64(4):253-7.
  • 29. Rahe-Meyer N, Solomon C, Hanke A, et al. Effects of fibrinogen concentrate as first-line therapy during major aortic replacement surgery: a randomized, placebo-controlled trial. Anesthesiology. 2013;118:40-50.
  • 30. Bilecen S, Peelen LM, Kalkman CJ, et al. Fibrinogen concentrate therapy in complex cardiac surgery. J Cardiothorac Vasc Anesth. 2013;27(1):12- 7.
  • 31. Jeppsson A, Waldén K, Roman-Emanuel C, et al. Preoperative supplementation with fibrinogen concentrate in cardiac surgery: A randomized controlled study. Br J Anaesth. 2016;116(2):208-14.
  • 32. Yang L, Vuylsteke A, Gerrard C, et al. Postoperative fibrinogen level is associated with postoperative bleeding following cardiothoracic surgery and the effect of fibrinogen replacement therapy remains uncertain. J Thromb Haemost. 2013;11:1519–26.
  • 33. Lupu LM, Rebaine Z, Lhotel L, et al. Low-dose Human Fibrinogen is not Effective in Decreasing Postoperative Bleeding and Transfusion Requirements during Cardiac Surgery in Case of Concomitant Clinical Bleeding and Low FIBTEM Values: A Retrospective Matched Study. Ann Card Anaesth. 2018;21(3):262–9.
  • 34. Rahe-Meyer N, Levy JH, Mazer CD et al. Randomized evaluation of fibrinogen vs placebo in complex cardiovascular surgery (REPLACE): a double-blind phase III study of haemostatic therapy. Br J Anaesth. 2016;117(1):41-51.
  • 35. Ranucci M, Baryshnikova E, Ranucci M, et al. Fibrinogen levels compensation of thrombocytopenia-induced bleeding following cardiac surgery. International Journal of Cardiology. 2017;219:96-100.
  • 36. Velik-Salchner C, Haas T, Innerhofer P, et al. The effect of fibrinogen concentrate on thrombocytopenia. J Thromb Haemost. 2007 May;5(5):1019-25.
  • 37. Ranucci M, Baryshnikova E, Crapelli GB, et al. Randomized, Double-Blinded, Placebo-Controlled Trial of Fibrinogen Concentrate Supplementation After Complex Cardiac Surgery. J Am Heart Assoc. 2015;4:e002066

KORONER ARTER BAYPAS GERFT OPERASYONLARINDA KARDİYOPULMONER BAYPASTAN SONRA UYGULANAN FİBRİNOJEN İNFÜZYONUNUN KANAMA ÜZERİNE ETKİSİ: RETROSPEKTİF KARŞILAŞTIRMALI ÇALIŞMA

Year 2022, , 392 - 398, 17.10.2022
https://doi.org/10.18229/kocatepetip.986997

Abstract

AMAÇ: Açık kalp cerrahisinde ciddi bir sorun olmaya devam eden postoperatif kanamanın riskini azaltmak için uygulanan fibrinojen konsantrelerinin etkisi tartışmalıdır. Koroner arter baypas greftleme operasyonlarında (KABG) kardiyopulmoner baypas (KPB) sonrası uygulanan fibrinojen infüzyonunun postoperatif kanama üzerine etkisini sunmayı amaçladık.
GEREÇ VE YÖNTEM: Çalışmaya, KABG yapılan ve fibrinojen düzeyleri KPB sonrası 2.5 g/L altında ölçülen 67 hasta dahil edildi. Fibrinojen konsantresi verilen 32 hastanın (Grup F; n=32 hasta) verileri, fibrinojen konsantresi verilmeyen 35 hastanın verileri ile (Grup NF; n=35 hasta) karşılaştırıldı.
BULGULAR: KPB sonrası fibrinojen düzeylerini 2,5 g/L ve üzerine çıkarmak için hastalara fibrinojen konsantresi uygulandı. KPB sonrası fibrinojen seviyeleri, her iki grup için preoperatif seviyelere göre anlamlı olarak azaldı (p<0.01), ancak azalma oranı açısından gruplar arasında fark yoktu (p=0.321). Grup F'deki hastalara 2,94±0,91 g fibrinojen uygulandı. Gruplar arası postoperatif drenaj hem 0-12 saat (p=0,142) hem de 12-24 saat (p=0,309) arasında anlamlı değildi.
SONUÇ: Fibrinojen konsantresi, düşük plazma fibrinojen düzeylerini artıran ikincil etkilerle postoperatif drenaj miktarını azaltabilir ve pıhtılaşma fizyolojisinin düzelmesine katkıda bulunabilir. Ancak bu azalma istatistiksel olarak anlamlı olmadığı için fibrinojen konsantrelerinin sadece kanama riski yüksek hastalarda ve KPB sonrası fibrinojen düzeyi <1.5 g/L'nin altında olan hastalarda kullanılması gerektiğini düşünüyoruz.

References

  • 1.Kannel WB. Overview of hemostatic factors involved in atherosclerotic cardiovascular disease. Lipids. 2005;40(12):1215-20.
  • 2.Gielen C, Dekkers O, Stijnen T, et al. The effects ofpre- and postoperative fibrinogen levels on blood loss after cardiac surgery: a systematic review and meta-analysis. Interactive CardioVascular and Thoracic Surgery. 2014;18:292–9.
  • 3. Ucar HI, Oc M, Tok M, et al. Preoperative Fibrinogen Levels as a Predictor of Postoperative Bleeding after Open Heart Surgery. The Heart Surgery Forum. 2007;10(5):392-6.
  • 4.Paparella D, Brister SJ, Buchanan MR. Coagulation disorders of cardiopulmonary bypass: a review. Intensive Care Med. 2004;30:1873–81.
  • 5.Kindo M, Minh TM, Gerelli S, et al. Plasma fibrinogenlevel on admission to the intensive care unit is a powerful predictor of postoperative bleeding after cardiac surgery with cardiopulmonary bypass. Thrombosis Research. 2014;134(2):360-8.
  • 6.Cardoso TAAM, Neto CN, Silva CGS, et al. Use of lyophilized fibrinogen concentrate in cardiac surgery: a systematic review. Heart, Lung and Vessels. 2015;7(1):47-53.
  • 7.Karlsson M, Ternström L, Hyllner M, et al. Prophylactic fibrinogen infusion reduces bleeding after coronary artery bypass surgery. A prospective randomised pilot study. Thromb. Haemost. 2009;102:137–44.
  • 8.Jeppsson A, Waldén K, Roman-Emanuel C, et al. Preoperative supplementation with fibrinogen concentrate in cardiac surgery: A randomized controlled study. British Journal of Anaesthesia. 2016;116(2):208-14.
  • 9. Solomon C, Pichlmaier U, Schoechl H, et al. Recovery of fibrinogen after administration of fibrinogen concentrate to patients with severe bleeding after cardiopulmonary bypass surgery. Br J Anaesth. 2010;104(5):555–62.
  • 10. Ranucci M, Jeppsson A, Baryshnikova E. Pre-operative fibrinogen supplementation in cardiac surgery patients: an evaluation of different trigger values. Acta Anaesthesiol Scand. 2015;59(4):427-33.
  • 11.https://www.fda.gov/downloads/Biolog...inonatedPlasmaProducts/ucm094006.pdf Erişim Tarihi: 13.12.2016.
  • 12.Dyke C, Aronson S, Dietrich W, et al. Universal definition of perioperative bleeding in adult cardiac surgery. J Thorac Cardiovasc Surg. 2014;147:1458–63.
  • 13. Ateş M, Kayacıoğlu İ, Şaşkın H ve ark. Açık Kalp Cerrahisi Sonrası Kanama Nedeniyle Yapılan Revizyon Ameliyatları (2 Yıllık İzlem). Türk Göğüs Kalp Damar Cer Derg. 2003;11:207-10.
  • 14. Pavie A, Szefner J, Leger P, Gandjbakhch I. Preventing, minimizing, and managing postoperative bleeding. Ann Thorac Surg. 1999;68:705-10.
  • 15. Kurnaz F, Ulaş T. Antifibrinolitik Ajanlar. Turkiye Klinikleri J Hematol-Special Topics. 2016;9(4):63-7.
  • 16. Blome M, Isgro F, Kiessling AH, et al. Relationship between factor XIII activity, fibrinogen, haemostasis screening tests and postopera-tive bleeding in cardiopulmonary bypass surgery. Thromb Haemost. 2005;93:1101-7.
  • 17. Levy HJ, Welsby I, Goodnough LT. Fibrinogen as a therapeutic target for bleeding: a review of critical levels and replacement therapy. Transfusion. 2014;54(5):1389-405.
  • 18. Hiippala ST, Myllyla GJ, Vahtera EM. Hemostatic factors and replacement of major blood loss with plasma-poor red cell concentrates. Anesth Analg. 1995;81(2):360-5.
  • 19. Esmaeelzadeh M, Amini Sh, Soltani Gh, et al. Exogenous Fibrinogen Pertains Beneficial Effects in Managing Post-Cardiac Surgery Bleeding: A Randomized Clinical Trial. J Cardiothorac Med. 2016;4(3):474-9.
  • 20. Ternström L, Radulovic V, Karlsson M, et al. Plasma activity of individual coagulation factors, hemodilution and blood loss after cardiac surgery: a prospective observational study. Thromb Res. 2010;126(2):128-33.
  • 21. Momeni M, Carlier C, Baele P, et al. Fibrinogen Concentration Significantly Decreases After On-Pump Versus Off-Pump Coronary Artery Bypass Surgery: A Systematic Point-of-Care ROTEM Analysis. Journal of Cardiothoracic and Vascular Anesthesia. 2013;27(1):5-11.
  • 22. Karlsson M, Ternström L, Hyllner M, et al. Plasma fibrinogen level, bleeding, and transfusions after on-pump coronary artery bypass grafting surgery: a prospective observational study. Transfusion. 2008;48:2152-8.
  • 23. Alagha S, Songur M, Avcı T, et al. Association of preoperative plasma fibrinogen level with postoperative bleeding after on-pump coronary bypass surgery: does plasma fibrinogen level affect the amount of postoperative bleeding? Interactive CardioVascular and Thoracic Surgery. 2018;27:671–6.
  • 24. Kamath S, Lıp Gyh. Fibrinogen: biochemistry, epidemiology and determinants. Q J Med. 2003;96:711–29.
  • 25. Ranucci M, Pistuddi V, Baryshnikova E, et al. Fibrinogen Levels After Cardiac Surgical Procedures: Association With Postoperative Bleeding, Trigger Values, and Target Values. Ann Thorac Surg. 2016;102:78–85.
  • 26. Ranucci M. Fibrinogen supplementation in cardiac surgery: where are we now and where are we going? J Cardiothorac Vasc Anesth. 2013;27(1):1-4.
  • 27. Kozek-Langenecker SA, Ahmed AB, Afshari A, et al. Management of severe perioperative bleeding: guidelines from the European Society of Anaesthesiology. Eur J Anaesthesiol. 2017;34:332–95.
  • 28. Sadeghi M, Atefyektaa R, Azimaraghi O, et al. A randomized, double blind trial of prophylactic fibrinogen to reduce bleeding in cardiac surgery. Rev Bras Anestesiol. 2014;64(4):253-7.
  • 29. Rahe-Meyer N, Solomon C, Hanke A, et al. Effects of fibrinogen concentrate as first-line therapy during major aortic replacement surgery: a randomized, placebo-controlled trial. Anesthesiology. 2013;118:40-50.
  • 30. Bilecen S, Peelen LM, Kalkman CJ, et al. Fibrinogen concentrate therapy in complex cardiac surgery. J Cardiothorac Vasc Anesth. 2013;27(1):12- 7.
  • 31. Jeppsson A, Waldén K, Roman-Emanuel C, et al. Preoperative supplementation with fibrinogen concentrate in cardiac surgery: A randomized controlled study. Br J Anaesth. 2016;116(2):208-14.
  • 32. Yang L, Vuylsteke A, Gerrard C, et al. Postoperative fibrinogen level is associated with postoperative bleeding following cardiothoracic surgery and the effect of fibrinogen replacement therapy remains uncertain. J Thromb Haemost. 2013;11:1519–26.
  • 33. Lupu LM, Rebaine Z, Lhotel L, et al. Low-dose Human Fibrinogen is not Effective in Decreasing Postoperative Bleeding and Transfusion Requirements during Cardiac Surgery in Case of Concomitant Clinical Bleeding and Low FIBTEM Values: A Retrospective Matched Study. Ann Card Anaesth. 2018;21(3):262–9.
  • 34. Rahe-Meyer N, Levy JH, Mazer CD et al. Randomized evaluation of fibrinogen vs placebo in complex cardiovascular surgery (REPLACE): a double-blind phase III study of haemostatic therapy. Br J Anaesth. 2016;117(1):41-51.
  • 35. Ranucci M, Baryshnikova E, Ranucci M, et al. Fibrinogen levels compensation of thrombocytopenia-induced bleeding following cardiac surgery. International Journal of Cardiology. 2017;219:96-100.
  • 36. Velik-Salchner C, Haas T, Innerhofer P, et al. The effect of fibrinogen concentrate on thrombocytopenia. J Thromb Haemost. 2007 May;5(5):1019-25.
  • 37. Ranucci M, Baryshnikova E, Crapelli GB, et al. Randomized, Double-Blinded, Placebo-Controlled Trial of Fibrinogen Concentrate Supplementation After Complex Cardiac Surgery. J Am Heart Assoc. 2015;4:e002066
There are 37 citations in total.

Details

Primary Language English
Subjects Clinical Sciences
Journal Section Articles
Authors

Ümit Arslan 0000-0003-0695-5089

Ali İhsan Tekin 0000-0002-1509-1772

Ferhat Borulu 0000-0001-9731-9998

Ziya Yıldız 0000-0002-8631-9535

Mehmet Tort 0000-0001-8414-3751

Bilgehan Erkut 0000-0002-8771-3112

Publication Date October 17, 2022
Acceptance Date December 18, 2021
Published in Issue Year 2022

Cite

APA Arslan, Ü., Tekin, A. İ., Borulu, F., Yıldız, Z., et al. (2022). THE EFFECT OF FIBRINOGEN INFUSION APPLIED AFTER CARDIOPULMONARY BYPASS ON BLEEDING IN CORONARY ARTERY BYPASS GRAFT SURGERY: RETROSPECTIVE COMPARATIVE STUDY. Kocatepe Tıp Dergisi, 23(4), 392-398. https://doi.org/10.18229/kocatepetip.986997
AMA Arslan Ü, Tekin Aİ, Borulu F, Yıldız Z, Tort M, Erkut B. THE EFFECT OF FIBRINOGEN INFUSION APPLIED AFTER CARDIOPULMONARY BYPASS ON BLEEDING IN CORONARY ARTERY BYPASS GRAFT SURGERY: RETROSPECTIVE COMPARATIVE STUDY. KTD. October 2022;23(4):392-398. doi:10.18229/kocatepetip.986997
Chicago Arslan, Ümit, Ali İhsan Tekin, Ferhat Borulu, Ziya Yıldız, Mehmet Tort, and Bilgehan Erkut. “THE EFFECT OF FIBRINOGEN INFUSION APPLIED AFTER CARDIOPULMONARY BYPASS ON BLEEDING IN CORONARY ARTERY BYPASS GRAFT SURGERY: RETROSPECTIVE COMPARATIVE STUDY”. Kocatepe Tıp Dergisi 23, no. 4 (October 2022): 392-98. https://doi.org/10.18229/kocatepetip.986997.
EndNote Arslan Ü, Tekin Aİ, Borulu F, Yıldız Z, Tort M, Erkut B (October 1, 2022) THE EFFECT OF FIBRINOGEN INFUSION APPLIED AFTER CARDIOPULMONARY BYPASS ON BLEEDING IN CORONARY ARTERY BYPASS GRAFT SURGERY: RETROSPECTIVE COMPARATIVE STUDY. Kocatepe Tıp Dergisi 23 4 392–398.
IEEE Ü. Arslan, A. İ. Tekin, F. Borulu, Z. Yıldız, M. Tort, and B. Erkut, “THE EFFECT OF FIBRINOGEN INFUSION APPLIED AFTER CARDIOPULMONARY BYPASS ON BLEEDING IN CORONARY ARTERY BYPASS GRAFT SURGERY: RETROSPECTIVE COMPARATIVE STUDY”, KTD, vol. 23, no. 4, pp. 392–398, 2022, doi: 10.18229/kocatepetip.986997.
ISNAD Arslan, Ümit et al. “THE EFFECT OF FIBRINOGEN INFUSION APPLIED AFTER CARDIOPULMONARY BYPASS ON BLEEDING IN CORONARY ARTERY BYPASS GRAFT SURGERY: RETROSPECTIVE COMPARATIVE STUDY”. Kocatepe Tıp Dergisi 23/4 (October 2022), 392-398. https://doi.org/10.18229/kocatepetip.986997.
JAMA Arslan Ü, Tekin Aİ, Borulu F, Yıldız Z, Tort M, Erkut B. THE EFFECT OF FIBRINOGEN INFUSION APPLIED AFTER CARDIOPULMONARY BYPASS ON BLEEDING IN CORONARY ARTERY BYPASS GRAFT SURGERY: RETROSPECTIVE COMPARATIVE STUDY. KTD. 2022;23:392–398.
MLA Arslan, Ümit et al. “THE EFFECT OF FIBRINOGEN INFUSION APPLIED AFTER CARDIOPULMONARY BYPASS ON BLEEDING IN CORONARY ARTERY BYPASS GRAFT SURGERY: RETROSPECTIVE COMPARATIVE STUDY”. Kocatepe Tıp Dergisi, vol. 23, no. 4, 2022, pp. 392-8, doi:10.18229/kocatepetip.986997.
Vancouver Arslan Ü, Tekin Aİ, Borulu F, Yıldız Z, Tort M, Erkut B. THE EFFECT OF FIBRINOGEN INFUSION APPLIED AFTER CARDIOPULMONARY BYPASS ON BLEEDING IN CORONARY ARTERY BYPASS GRAFT SURGERY: RETROSPECTIVE COMPARATIVE STUDY. KTD. 2022;23(4):392-8.

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