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Comparison of the effects of endotracheal intubation and laryngeal mask airway on hemodynamic parameters and postoperative complications in patients undergoing lumbar disc surgery: A clinical trial
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Mohammadali Saadati    , Hoodsa Soroush Nia , Mehrdad Mahdian , Mehrdad Mahdian , Zahra Jafari * , Arezoo Noei , Hossein Akbari |
| Department of Anesthesiology, Faculty of Allied Medical Sciences, Qom University of Medical Sciences, Qom, Iran , z.jafari13711@gmail.com |
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Abstract: (354 Views) |
Background and Aim: Airway management during general anesthesia for spinal surgery is of particular importance, and the choice of an optimal method can directly influence hemodynamic stability and postoperative complications. This study aimed to compare hemodynamic changes and postoperative complications between two commonly used methods, endotracheal intubation (ETI) and laryngeal mask airway (LMA), in patients undergoing lumbar disc surgery.
Methods: In this clinical trial, 80 patients scheduled for lumbar disc surgery at Shahid Beheshti Hospital, Kashan, in 2020 were recruited using convenience sampling and then randomly assigned to two groups of 40 each (ETI and LMA). In the ETI group, the airway was secured with an endotracheal tube in the supine position, whereas in the LMA group, the airway was established using a laryngeal mask in the prone position. Hemodynamic parameters including systolic and diastolic blood pressure and heart rate were measured and recorded at baseline, intraoperatively (minutes 5, 10, 15, 30, 45, and 60), and during recovery. Postoperative complications such as nausea and vomiting were also monitored. Data were analyzed using SPSS version 22 with independent t-test, repeated measures ANOVA, ANCOVA, and Fisher’s exact test.
Results: Mean heart rate and diastolic blood pressure were significantly higher in the ETI group compared to the LMA group across all time points (P < 0.05). End-tidal CO₂ (EtCO₂) at minute 45 was higher in the LMA group. Furthermore, the incidence of nausea and vomiting in the early postoperative period was significantly greater in the ETI group.
Conclusion: Based on the findings, the use of LMA compared with ETI in lumbar disc surgery results in fewer hemodynamic fluctuations and lower rates of postoperative complications. Therefore, LMA may be considered a safe and effective alternative for airway management in lumbar disc surgery.
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| Keywords: Laryngeal mask airway, Endotracheal intubation, Hemodynamics, Lumbar disc surgery, General anesthesia |
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Full-Text [PDF 433 kb]
(35 Downloads)
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Type of Study: Research |
Subject:
General
Received: 2024/09/18 | Revised: 2025/10/1 | Accepted: 2025/08/20 | Published: 2025/09/29
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