Related Experiment Video
Updated: Apr 14, 2026

Guidelines for Elective Pediatric Fiberoptic Intubation
Published on: January 17, 2011
Difficult airway in a pediatric case of pycodysostosis
Maizar M Alkhalaf1, Hassan Mohamed Ali2, Rashed Al Otaibi1
1Department of Anesthesia, Prince Sultan Melitiary Medical City, Riyadh, Saudi Arabia.
Insights
Pycodysostosis, a rare genetic disorder, presents significant anesthetic challenges due to airway abnormalities. This case report highlights the management of a patient with pycodysostosis and a difficult airway.
Area of Science:
- Anesthesiology
- Genetics
- Rare Diseases
Background:
- Pycodysostosis is a rare autosomal genetic disease caused by cathepsin K gene mutations.
- It affects approximately 1 in 1.7 million births.
- Associated conditions include sleep apnea and respiratory difficulties due to chest and oral abnormalities.
Observation:
- This case report details a patient diagnosed with pycodysostosis.
- The patient presented with a difficult airway, posing challenges for intubation and mechanical ventilation.
- Anesthetists face potential difficulties during airway management in such patients.
Findings:
- The pathophysiology of pycodysostosis involves cathepsin K gene mutations.
- Chest and oral abnormalities contribute to airway difficulties.
- Anesthetic management requires careful consideration of these anatomical variations.
Implications:
- Understanding the genetic basis and clinical manifestations of pycodysostosis is crucial for anesthesiologists.
- This case underscores the importance of pre-anesthetic evaluation for patients with rare genetic disorders.
- Effective airway management strategies are essential for improving patient outcomes in pycodysostosis.
Abstract:
Pycodysostosis is a genetic autosomal rare disease with an incidence of 1:1.7 million births; the pathophysiology of the disease is related to mutation of cathepsin K gene. Sleep apnea, respiratory difficulties because of chest and oral abnormalities may cause a challenge to the anesthetist during intubation and/or mechanical ventilation. In this case report we will discuss a case of pycodysostosis with a difficult airway.
Related Concept Videos
Cardiopulmonary Resuscitation V: Advanced Airway Management Techniques
Cardiopulmonary Resuscitation II: ACLS Airway Management
Assessment of Airway, Skin Color, and Use of Accessory Muscles
Introduction
The initial evaluation of a patient's respiratory system...
Pulmonary Cycle: Exhalation
Oxygen Delivering System III: Tracheostomy and T-piece
Tracheostomy
A tracheostomy is a surgically created opening (stoma) in the anterior part of the trachea. It is used to establish a patient airway, bypass an upper airway obstruction, simplify the removal of secretions, permit long-term...
Pneumothorax-I
Pneumothorax can be even further classified as spontaneous, traumatic, and tension pneumothorax.

