Abstract
Purpose
Tonsillectomy is among the most common surgical procedures performed worldwide, and post-tonsillectomy bleeding is a serious complication. This study aims to investigate the role of post-operative pain as a risk factor for bleeding in adults.
Methods
A retrospective cohort study of adults who underwent tonsillectomy in a tertiary referral center between 2015–2021. Medical records were reviewed for demographics, diagnoses, surgical technique, treatments, pain scores (measured by visual analogue scale 0–10), readmissions, and bleeding events. The primary outcome was return to the operating room for hemostasis, and secondary outcomes were bleeding events and consumption of additional analgesic doses.
Results
Of the 274 patients, 137 (50%) were males, the mean age was 30.3 ± 12 years (range 18–82), and 33 (12%) were smokers. Indications for tonsillectomy were recurrent throat infections in 213 (77.7%) patients and obstructive sleep apnea in 61 (22.3%). Surgical technique was cold dissection in 238 (86.9%) patients and electrocautery in 36 (13.1%). Primary post-tonsillectomy bleeding (< 24 h of surgery) occurred in 6 (2%) patients, and secondary bleeding (later than 24 h from tonsillectomy) in 43 (15.7%). A total of 19 (7%) patients necessitated surgical hemostasis. After controlling for technique and other confounders, high pain scores (VAS ≥ 5) on post-operative days 1 and 2 were associated with increased risk of bleeding that necessitated surgical hemostasis (adjusted odds ratio 6.9, 95% confidence interval 1.7–44.5). Other independent risk factors were male sex, age < 30 years, smoking, and recurrent throat infections.
Conclusions
Higher pain scores following tonsillectomy are correlated with bleeding episodes requiring surgical intervention in adults. Further studies may explore the role of different intensive pain regimens in minimizing the risk of bleeding.
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Data availability statement
Data generated/analyzed in this study will be made available to researchers upon reasonable request to the corresponding author.
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RN: design, conduct, data collection, analysis, drafting the manuscript; DO: design, drafting the manuscript; YS: design, analysis, drafting the manuscript.
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This study was approved by the Institutional Review Board of the Rambam healthcare campus (0403-21-RMB-D).
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Noy, R., Ostrovsky, D. & Shkedy, Y. Adult tonsillectomy—increased pain scores are correlated with risk of bleeding: a retrospective cohort study. Eur Arch Otorhinolaryngol 280, 3437–3444 (2023). https://doi.org/10.1007/s00405-023-07931-z
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DOI: https://doi.org/10.1007/s00405-023-07931-z