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Effects of Total Intravenous Versus Inhalational Anesthesia on Bleeding During Endoscopic Ear Surgery: Preliminary
Giulia Molinari, Marella Reale1, Matteo Alicandri-Ciufelli1
1Department of Otolaryngology-Head and Neck Surgery, University Hospital of Modena.
Objective:
To assess the impact of the type of maintenance anesthesia on the bleeding conditions of the surgical field and hemodynamic parameters during endoscopic ear surgery (EES), comparing totally intravenous inhalational anesthesia (TIVA) with inhalational anesthesia (IA).
Study Design:
Retrospective case-control study.
Setting:
Tertiary referral center.
Patients:
Fifteen consecutive EES cases performed with TIVA between 2019 and 2020 at our Institution were matched to a control group of patients who underwent EES with IA in the same period. Patients with American Society of Anesthesiologists IV grade, acute otitis before surgery, congenital or acquired coagulopathies, use of anti-inflammatory drugs, or antiaggregant or anticoagulant therapy in the 5 days before the intervention were excluded.
Interventions:
Both primary and revision tympanoplasty and stapes surgery were considered.
Main Outcome Measures:
Surgical videos were reviewed to quantify the entity of bleeding according to the Modena Bleeding Score. Hemodynamic parameters during surgery were retrospectively collected. A comparison between the two groups was performed.
Results:
No statistically significant differences between the two groups in terms of bleeding were found at any of time point evaluated. The tympanomeatal flap elevation resulted in the bloodiest step in both groups. Hemodynamic parameters were similar in both groups ( p > 0.05).
Conclusions:
These preliminary data do not support a significant difference in bleeding conditions and hemodynamic parameters between EES patients receiving TIVA and those receiving IA. Further studies involving a higher number of patients will improve our understanding on how maintenance anesthesia with TIVA may be beneficial in terms of bleeding control as compared with IA for patients undergoing EES.
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