Association of Continued Preoperative Aspirin Use and Bleeding Complications in Patients Undergoing Thyroid Surgery

Overview

Journal JAMA Otolaryngol Head Neck Surg

Publisher American Medical Association

Date 2018 Mar 2

PMID 29494736

Citations 4

Authors

Blake S Raggio

Blair M Barton

Emad Kandil

Paul L Friedlander

Affiliations

Soon will be listed here.

Abstract

Importance: No evidence exists to direct the management of preoperative aspirin (acetylsalicylic acid) use in patients undergoing thyroid surgery. Nevertheless, a considerable number of patients interrupt receiving aspirin therapy during the preoperative period to minimize bleeding complications despite the increased risk of experiencing major adverse cardiac events.

Objective: To determine whether aspirin therapy continued preoperatively increases bleeding complications in patients undergoing thyroid surgery.

Design, Setting, And Participants: Retrospective analysis of a consecutive sample of 570 patients, aged 18 to 100 years, who underwent thyroid surgery for benign and malignant disease from January 1, 2010, to December 31, 2015, by a single surgeon at a tertiary referral hospital center in New Orleans, Louisiana.

Exposures: Patients receiving aspirin therapy and patients not receiving aspirin therapy (aspirin naive) preoperatively.

Main Outcomes And Measures: Comparison of estimated blood loss, substantial blood loss, operative hematoma, nonoperative hematoma, and recurrent laryngeal nerve injury.

Results: Of 570 patients who underwent thyroid surgery, 106 (18.6%) were performed in patients receiving aspirin; of these, 23 (21.7%) were men and 105 (99.1%) were older than 45 years. Those receiving aspirin therapy displayed a 14.4-year difference in age (95% CI, 11.6-17.1). The aspirin group displayed a 20.3% absolute increase (95% CI, 9.3-30.7) in African American patients. Aspirin therapy was not associated with a statistically significant or clinically meaningful increase in intraoperative blood loss (2.5 mL; 95% CI, -0.4 to 5.3). Aspirin therapy was associated with a statistically significant increase in total hematoma formation (3.3%; 95% CI, 0.4-9.0), but the results were inconclusive. Aspirin therapy was not associated with a statistically significant increase in recurrent laryngeal nerve injury (2.6%; 95% CI, -1.1 to 8.6), but the results were inconclusive.

Conclusions And Relevance: These results suggest that aspirin therapy can be maintained prior to thyroid surgery without increased intraoperative bleeding. Further research with a larger sample size and more outcome events are required to make definitive conclusions regarding the association between aspirin use and complications, including hematoma and recurrent laryngeal nerve injury.

Citing Articles

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