Anesthesia Techniques and Surgical Outcomes in Endoscopic Surgery

Endoscopic surgery has transformed minimally invasive procedures across multiple specialties, driven by superior visualisation and reduced tissue trauma. Central to optimised outcomes is the choice and management of anaesthetic technique. Traditional general anaesthesia with inhalational agents such as sevoflurane or isoflurane remains widespread, often combined with opioid adjuncts to maintain haemodynamic stability and minimise bleeding. Total intravenous anaesthesia (TIVA) employing propofol and remifentanil has gained favour for its rapid emergence profile and fine control of sedation depth, thereby improving surgeon visibility through reduced mucosal oozing. Regional blocks and targeted local infiltration, particularly in urological and gynaecological endoscopy, offer further reductions in systemic drug exposure and postoperative nausea. Recent advances in closed-loop delivery systems, neuromonitoring and adjuvant agents like dexmedetomidine have refined intraoperative haemodynamic modulation, shortening recovery times and decreasing complication rates. Enhanced protocols now advocate integration of multimodal analgesia and non-opioid adjuncts to curb opioid-related side effects. Collectively, these developments underscore a shift towards personalised anaesthesia regimens that balance surgical field clarity with rapid patient turnover and improved postoperative comfort.

Research from Nature Portfolio

Recent studies have demonstrated that adjunctive infusion of dexmedetomidine during endoscopic sinus procedures significantly decreases intraoperative blood loss by stabilising heart rate and mean arterial pressure, yielding clearer operative fields and shorter procedure durations. Another investigation into closed-loop propofol target-controlled infusion systems, guided by real-time electroencephalographic monitoring, showed a marked reduction in postoperative nausea and vomiting and an average 20 per cent faster recovery of cognitive function compared with manual titration. A further report evaluated a machine-learning-driven dosing algorithm that adjusted remifentanil delivery in endoscopic urological surgery, resulting in fewer hypotensive episodes and enhanced patient satisfaction during early mobilisation phases. These findings collectively signal a new era of smart anaesthetic delivery, linking intraoperative physiological feedback to automated dosing for optimal surgical and recovery outcomes.

Anesthesia Techniques and Surgical Outcomes in Endoscopic Surgery publication trend

The graph below shows the total number of articles in anesthesia techniques and surgical outcomes in endoscopic surgery across all publications each year (not limited to Nature Index journals).

Technical terms

Total Intravenous Anaesthesia (TIVA): An anaesthetic technique using only intravenous agents, such as propofol and remifentanil, without inhalational gases.

Dexmedetomidine: A selective α2-adrenergic agonist used as an adjunct for sedation, providing sympatholysis and reduced bleeding.

Target-Controlled Infusion (TCI): A system that administers intravenous drugs based on preconfigured pharmacokinetic models to achieve a desired plasma concentration.

Bispectral Index (BIS): A processed electroencephalographic parameter used to monitor depth of anaesthesia and guide drug titration.

Multimodal Analgesia: The use of multiple analgesic medications or techniques to address pain via different physiological pathways, reducing reliance on opioids.

References

1. Effects of three different types of anaesthesia on perioperative bleeding control in functional endoscopic sinus surgery. European Archives of Oto-Rhino-Laryngology (2012).
2. A role of anesthesiologist in reducing surgical bleeding in endoscopic sinus surgery. Medicina (2010).