Preoperative Fibrinogen Levels as a Predictor of Postoperative Bleeding after Open Heart Surgery

Authors

  • Halil Ibrahim Ucar
  • Mehmet Oc
  • Mustafa Tok
  • Omer Faruk Dogan
  • Bahar Oc
  • Ahmet Aydin
  • Bora Farsak
  • Murat Guvener
  • Ali Gem Yorgancioglu
  • Riza Dogan
  • Metin Demircin
  • Ilhan Pasaoglu

DOI:

https://doi.org/10.1532/HSF98.20071065

Abstract

Background. Open heart surgery still involving major bleeding continues to be a major challenge after cardiac surgery and is also a significant cause of morbidity and mortality. Most hemostatic factors are intercorrelated with postoperative bleeding, and fibrinogen seems the most fundamental hemostatic risk factor for open heart surgery.

Methods. The study included 97 patients who underwent elective coronary artery surgery (78 men and 19 women; mean age, 60.9 ± 10.3). Preoperative blood samples were obtained and preoprative quantitative determination of plasma fibrinogen levels were measured by the clotting method of Clauss using the fibrinogen kit. Patients were operated on by the same team and the same tecnique. The total amount of drainage blood from chest tubes was recorded after termination of operation.

Results. There were statistical significance between the fibrinogen levels and the drainage (r = -0.897, P < .001). Chest drainage was a mean of 972 mL (range, 240-2445 mL) in the first 48 hours after sternotomy closure. Fibrinogen level and relation to age was statistically significant (P = .015). There was no statisticaly significance between fibrinogen levels and gender (male gender = 400.7 ± 123.0 versus female gender = 395.6 ± 148.1; P = .877) and between drainage and gender (male gender = 968.2 ± 538.5 versus female gender = 990.0 ± 554.7; P = .876). Two patients (2%) died early after the surgery. There were no significant differences between the postoperative bleeding and cardiopulmonary bypass time (P = .648) or cross-clamp time (P = .974).

Conclusions. The results of this study suggested that low preoperative fibrinogen level appears to be a useful diagnostic marker to assess the activity of the coagulation system, and that its preoperative level may serve as a potential risk factor for postoperative bleeding after coronary artery bypass surgery.

References

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Published

2007-09-13

How to Cite

Ucar, H. I., Oc, M., Tok, M., Dogan, O. F., Oc, B., Aydin, A., Farsak, B., Guvener, M., Yorgancioglu, A. G., Dogan, R., Demircin, M., & Pasaoglu, I. (2007). Preoperative Fibrinogen Levels as a Predictor of Postoperative Bleeding after Open Heart Surgery. The Heart Surgery Forum, 10(5), E392-E396. https://doi.org/10.1532/HSF98.20071065

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