Related Experiment Video
Updated: Sep 18, 2025

A Protocol for Comprehensive Assessment of Bulbar Dysfunction in Amyotrophic Lateral Sclerosis ALS
Published on: February 21, 2011
Bulbar-Onset Amyotrophic Lateral Sclerosis Unmasked by General Anesthesia: A Case Report
Amine Bouabdallaoui1, Salma Taouihar1, Naji Yahya2
1Anesthesia and Critical Care, Ibn Zohr University, Faculty of Medicine and Pharmacy, Agadir, MAR.
Amyotrophic lateral sclerosis (ALS) can cause difficult postoperative recovery and extubation failure. Early consideration of ALS is crucial for patients with unexplained prolonged mechanical ventilation after surgery.
Area of Science:
- Neurology
- Anesthesiology
- Critical Care Medicine
Background:
- Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disease impacting motor neurons.
- Patients with ALS exhibit heightened sensitivity to anesthetic agents, particularly neuromuscular blockers.
- This sensitivity can lead to prolonged recovery and respiratory complications post-surgery.
Observation:
- A 51-year-old patient experienced postoperative extubation failure.
- The patient was subsequently diagnosed with bulbar ALS.
- This case highlights a potential diagnostic challenge in surgical settings.
Findings:
- Bulbar ALS can manifest as extubation failure, indicating significant respiratory muscle compromise.
- Surgery and anesthesia can unmask or exacerbate underlying ALS symptoms.
- Delayed diagnosis of ALS can lead to critical respiratory events.
Implications:
- Clinicians should consider ALS in patients with difficult postoperative ventilatory weaning.
- Awareness of ALS is vital for anesthetic management in at-risk populations.
- Early diagnosis and tailored perioperative care are essential for improving outcomes in ALS patients.
Related Concept Videos
General Anesthesia: Overview
General anesthesia induces unconsciousness in the whole body, while the others target specific areas or sensations. It is administered to minimize adverse effects, maintain...
Local Anesthetics: Clinical Application as Spinal Anesthesia
Stages of General Anesthesia
Depolarizing Blockers: Pharmocokinetics
Skeletal Muscle Relaxants: Therapeutic Uses
Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia
One of the advantages of...

