The correlation between preoperative erythrocyte sedimentation rate and postoperative outcome in adult cardiac surgery
Authors Bilehjani E, Fakhari S, Farzin H, Yaghoubi A, Mirinezhad M, Shadvar K, Dehghani A, Aboalaiy P
Received 8 September 2016
Accepted for publication 3 December 2016
Published 11 January 2017 Volume 2017:10 Pages 15—21
Checked for plagiarism Yes
Review by Single anonymous peer review
Peer reviewer comments 5
Editor who approved publication: Dr Scott Fraser
Eissa Bilehjani,1 Solmaz Fakhari,1 Haleh Farzin,1 Alireza Yaghoubi,2 Moussa Mirinazhad,1 Kamran Shadvar,1 Abbasali Dehghani,1 Pariasadat Aboalaiy1
1Department of Anesthesiology, Tabriz University of Medical Sciences, Tabriz, 2Department of Cardiovascular Surgery, Iran University of Medical Sciences, Tehran, Iran
Introduction: Over the past decades, it has been recommended that preoperative assessment mainly relies on history and physical examination rather than unnecessary laboratory tests. In Iranian hospitals, erythrocyte sedimentation rate (ESR) has been routinely measured in most of the patients awaiting major surgery, which has in turn exacted heavy costs on the health system. Therefore, the aim of the present study was to assess the preoperative routine measurement of ESR in such patients.
Materials and methods: This is a retrospective study, in which we evaluated the medical files of 620 patients. Patients older than 18 years, who had undergone elective heart surgery in our hospital in 2014, were included in the study. The data associated with demography, heart disease diagnosis, type of surgery, significant preoperative tests, delay or postponing of surgery and the reason for it, type and characteristics of the subspecialty consultation, and finally, postoperative complication and mortality rate were collected and analyzed. The patients were categorized into four groups according to ESR value: normal (<15 mm/h in females or <20 mm/h in males), moderately increased (<40 mm/h), severely increased (≥40 mm/h), and not measured.
Results: Of the 620 patients’ files, 402 were of males and 218 were of females. Demographic values and preoperative characteristics were similar in the four groups. A total of 105 consultations were given to 79 patients preoperatively, where only in five cases, the elevation in ESR was the main reason for consultation. In no other cases did the consultations result in new diagnoses. Overall, postoperative complication and mortality rate were the same in all four groups; in severely increased ESR group, on the other hand, the need for long periods of intensive care unit (ICU) and hospital stays was higher than that of other groups.
Conclusion: It is concluded that elevated preoperative ESR does not cancel or defer the surgery, nor does it help diagnose a new, previously undiagnosed disease. Furthermore, it does not generally affect postoperative morbidity or mortality rate unless increased to ≥40 mm/h, where it can increase postoperative ICU and hospital stay. Ultimately, routine preoperative ESR measurement in patients is not conducive to elective heart surgery.
Keywords: erythrocyte sedimentation rate, heart surgery, postoperative complication, postoperative mortality
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