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Comparison Between the Protector™ Laryngeal Mask Airway and the Endotracheal Tube for Minimally Invasive Thyroid and Parathyroid Surgery

  • Georgios KotsovolisEmail author
  • Ioannis Pliakos
  • Stavros Panidis
  • Dimitrios Gkinas
  • Theodosios Papavramidis
Original Scientific Report
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Abstract

Background

Pharyngolaryngeal symptoms are a main concern after neck surgery. The Protector™ LMA is a new supraglottic airway device. The main purpose of this study was to evaluate whether application of the LMA Protector™ causes fewer pharyngolaryngeal symptoms than application of the endotracheal tube after minimally invasive total thyroidectomy and parathyroidectomy.

Methods

This prospective, randomized controlled trial involved one university and one private practice clinic, during the period from January 2017 until November 2017. The patients were randomly allocated to two groups: ETT and LMA. Main outcomes were Numerical Rating Scale scores of postoperative dysphagia, pharyngodynia, and incisional pain. Secondary outcomes were the frequency of rescue analgesia (paracetamol) consumption and emergence cough. Data were recorded in the post-anesthesia care unit and at 1, 6, 12, and 24 h after surgery.

Results

Data from 78 patients were included in the final analysis. Pharyngodynia scores were significantly lower in the LMA group, compared with the ETT group, at 1 h, 6 h and 12 h after surgery. Dysphagia and surgical incision pain scores were also significantly lower in the LMA group, compared with the ETT group, at 6 h and 12 h after surgery. The frequency of postoperative paracetamol consumption was significantly increased in the ETT group, compared with the LMA group. Finally, the LMA group had fewer episodes of emergence cough, compared with the ETT group.

Conclusion

The LMA Protector™ causes fewer pharyngolaryngeal symptoms than the ETT within 6 and 12 h after minimally invasive total thyroidectomy and parathyroidectomy.

Trial registration

ClinicalTrials.gov Identifier NCT03098667.

Notes

Funding

None.

Compliance with ethical standards

Conflict of interest

The authors delcare that they have no conflict of interest.

Informed consent

Informed consent was obtained from all individual participants included in the study.

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Copyright information

© Société Internationale de Chirurgie 2019

Authors and Affiliations

  1. 1.Department of Anesthesia424 Army General HospitalThessalonikiGreece
  2. 2.1st Propedeutic Department of SurgeryAHEPA University HospitalThessalonikiGreece
  3. 3.Department of Anesthesia and Intensive CareAHEPA University HospitalThessalonikiGreece
  4. 4.PylaiaGreece

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