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Intra-Operative Neural Monitoring of Thyroid Surgery in a Porcine Model
Published on: February 11, 2019
Paradigms of intraoperative neuromonitoring in paediatric thyroid surgery
Yuchuan Li1, Chunhai Zhang1, Yi Zhang1
1Department of Thyroid Surgery, China-Japan Union Hospital of Jilin University, Jilin University, Changchun, China.
Insights
Intraoperative neuromonitoring (IONM) for pediatric thyroid surgery requires specialized techniques due to unique laryngeal anatomy. Standardized IONM protocols and innovative devices are crucial for protecting the recurrent laryngeal nerve (RLN) in children.
Area of Science:
- Pediatric Surgery
- Otolaryngology
- Anesthesiology
Background:
- The pediatric larynx is smaller and more sensitive than the adult larynx, posing unique surgical challenges.
- Paediatric thyroid cancers can be more aggressive, increasing surgical complexity and the risk of recurrent laryngeal nerve (RLN) injury.
- Current intraoperative neuromonitoring (IONM) techniques are not fully standardized for pediatric patients.
Purpose of the Study:
- To review the anatomical considerations of the pediatric larynx relevant to thyroid surgery.
- To evaluate the efficacy and limitations of current IONM techniques in pediatric thyroid surgery.
- To explore innovative IONM approaches for improved recurrent laryngeal nerve (RLN) protection in children.
Main Methods:
- Review of anatomical differences between pediatric and adult larynges.
- Analysis of existing literature on IONM in pediatric thyroid surgery.
- Discussion of novel IONM devices like laryngeal masks and thyroid cartilage electrodes.
Main Results:
- Pediatric laryngeal anatomy presents specific challenges for IONM during thyroid surgery.
- Existing IONM methods require adaptation or replacement with pediatric-specific tools.
- Innovative devices show promise for more effective IONM in children.
Conclusions:
- IONM in pediatric thyroid surgery is complex and demands specialized training and standardized protocols.
- Experienced thyroid surgeons and anesthesiologists are essential for safe IONM application in children.
- Further research and standardization of IONM are needed to minimize RLN injury in pediatric patients.
Abstract:
The larynx of children and adolescents is still in the developmental phase and the anatomical structure is still very small and sensitive. The higher malignancy and faster progression of some paediatric thyroid cancers make surgery more difficult. Intraoperative neuromonitoring (IONM) is frequently used in thyroid surgery as an effective means of securing the recurrent laryngeal nerve (RLN). Little information is available on the clinical efficacy of IONM in paediatric surgery. In addition, classic IONM techniques such as reinforced tracheal tube models with integrated surface electrodes are not standardised for children and adolescents. The use of innovative devices such as laryngeal masks with surface electrodes and thyroid cartilage receiving electrodes could replace monitoring tubes as a new form of IONM. Tracheal intubation in children needs to be performed by a highly experienced anaesthetist. The continued maturation of AI technology could be attempted in the future in conjunction with IONM to further reduce RLN injuries in children and adolescents. This article describes the anatomical features of the paediatric larynx, which differ from those of adults, and the advantages and shortcomings of IONM techniques for thyroid surgery in this population. The use of IONM in paediatric surgery is a complex technique and should be performed by experienced thyroid surgeons with in-depth IONM training. The use of IONM should be standardised within the clinical parameters of children.
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