Related Experiment Video
Updated: May 2, 2026

Transplantation of Olfactory Ensheathing Cells to Evaluate Functional Recovery after Peripheral Nerve Injury
Published on: February 23, 2014
Effectiveness of laryngotracheal separation in neurologically impaired pediatric patients
Hirotaka Hara1, Takeshi Hori, Kazuma Sugahara
1Department of Otolaryngology, Yamaguchi University Graduate School of Medicine , Ube, Yamaguchi.
Insights
Laryngotracheal separation (LTS) effectively prevents pneumonia and improves respiratory health in neurologically impaired children. This procedure also enhances the likelihood of successful home care for these patients.
Area of Science:
- Pediatric Surgery
- Pulmonology
- Neurology
Background:
- Neurologically impaired children often suffer from aspiration pneumonia and respiratory distress.
- Laryngotracheal separation (LTS) is a surgical option to manage these severe conditions.
Purpose of the Study:
- To evaluate the effectiveness of LTS in pediatric patients with neurological impairments.
- Assessed outcomes included pneumonia prevention, respiratory condition improvement, and home care success.
Main Methods:
- Retrospective analysis of 21 children undergoing LTS from 2004-2013.
- Evaluated pre- and postoperative data on pneumonia, sputum suctioning, respiratory status, and nutrition.
- Utilized the SMID-MCDG scoring system to assess functional improvement.
Main Results:
- Significant reduction in pneumonia treatment and sputum suctioning frequency post-LTS.
- Improved respiratory condition in 63.19% of patients.
- SMID-MCDG scores significantly decreased, indicating functional gains; two-thirds achieved home care.
Conclusions:
- LTS is a safe and effective intervention for neurologically impaired children.
- The procedure successfully prevents aspiration pneumonia and improves respiratory function.
- LTS facilitates home care, enhancing quality of life for affected children and their families.
Conclusion:
Laryngotracheal separation (LTS) can prevent aspiration pneumonia, improve the respiratory condition, and offer the possibility of home care for neurologically impaired children.
Objectives:
This study aimed to evaluate the effectiveness of LTS in neurologically impaired pediatric patients from the viewpoint of postoperative success of pneumonia prevention, improvement in the respiratory condition, and postoperative success rate of home-based care.
Methods:
The medical records of 21 children who underwent LTS at an academic medical center from September 2004 to March 2013 were retrospectively investigated. Pre- and postoperative data, including the frequency of pneumonia treatment, the frequency of sputum suctioning, the respiratory condition, the nutrition method, and the outcome after LTS were assessed. We also used the scoring system for patients with severe motor and intellectual disabilities, medical care dependent group (SMID-MCDG) in Japan for evaluating the usefulness of LTS.
Results:
The frequency of pneumonia treatment and that of suctioning decreased considerably after LTS. Furthermore, the respiratory condition improved at a rate of 63.19%. The SMID-MCDG score significantly reduced after LTS. No significant complications were observed and two-thirds of the patients were successfully discharged for home care after the procedure.
Related Concept Videos
Tracheostomy Decannulation
Description of the Procedure
Decannulation refers to the permanent removal of the tracheostomy tube, signaling the resolution of the condition that initially necessitated the tracheostomy. The process requires a well-coordinated interplay between...
Cardiopulmonary Resuscitation V: Advanced Airway Management Techniques
Cardiopulmonary Resuscitation II: ACLS Airway Management
Tracheostomy Care II: Procedure
Step 1: Perform hand hygiene, and put on personal protective equipment: gown, gloves, mask...
Endotracheal Intubation I: Procedure
The ET tube comprises various components, including a standard adaptor to attach a bag-valve-mask (BVM) or ventilator, a cuff, a pilot balloon, and radiopaque markings along its length to measure the insertion distance. The tube sizes...
Tracheostomy Care I: Pre-procedural Steps
Required Equipment
The equipment necessary for tracheostomy care includes:

