Efficacy observation of electromyography-guided targeted injection of swallowing muscles for treating dysphagia resulting from medullary paralysis - Report - MDSpire

Efficacy observation of electromyography-guided targeted injection of swallowing muscles for treating dysphagia resulting from medullary paralysis

  • By

  • Hong Ren

  • Yan Shang

  • Tiantian Wang

  • Chunxiang Zhao

  • Pei Wang

  • Yue Yang

  • Yufei Yin

  • May 29, 2026

  • 0 min

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Clinical Report: EMG-Guided Targeted Injections for Dysphagia Management

Overview

This study evaluates the efficacy of electromyography-guided mecobalamin injections in treating dysphagia due to medullary paralysis. Results indicate significant improvements in swallowing function compared to conventional therapy alone.

Background

Dysphagia, particularly following medullary paralysis, poses serious risks including malnutrition and aspiration pneumonia. Current treatments often yield suboptimal results, highlighting the need for innovative approaches. This study investigates the potential of targeted mecobalamin injections to enhance recovery in affected patients.

Data Highlights

GroupWST Response RateVFSS Marked Effectiveness RateVFSS Overall Effectiveness Rate
Treatment (n=55)Higher (P < 0.05)50.9%96.4%
Control (n=55)Lower18.2%83.6%

Key Findings

  • The treatment group exhibited a significantly higher overall response rate on the WST compared to the control group (P < 0.05).
  • Marked effectiveness rates on VFSS were 50.9% in the treatment group versus 18.2% in the control group (P < 0.05).
  • Overall effectiveness rates on VFSS were 96.4% in the treatment group compared to 83.6% in the control group (P < 0.05).
  • Both groups showed a significant decrease in aspiration incidence post-treatment, with a more pronounced reduction in the treatment group (P < 0.05).
  • The study was a prospective randomized controlled trial involving 110 patients with dysphagia due to medullary infarction.
  • Mecobalamin is suggested to facilitate axonal regeneration and neuromotor functional recovery.

Clinical Implications

The findings suggest that EMG-guided mecobalamin injections may serve as an effective adjunctive treatment for dysphagia in patients with medullary paralysis. Clinicians should consider this approach in conjunction with conventional therapies to enhance patient outcomes.

Conclusion

EMG-guided targeted injection of mecobalamin into swallowing muscles demonstrates significant efficacy in improving swallowing function in dysphagia patients due to medullary paralysis. Further studies may be warranted to confirm these findings.

Related Resources & Content

  1. Brain, 2025 -- Reconceptualizing Neurogenic Dysphagia Within the Framework of Movement Disorders
  2. Brain, 2025 -- Direct Examination of Cortical Interneuron Networks in Amyotrophic Lateral Sclerosis
  3. The New Gastroenterologist, 2025 -- Management Strategies for Dysphagia
  4. European Stroke Organisation and European Society for Swallowing Disorders guideline for the diagnosis and treatment of post-stroke dysphagia - PMC, 2024
  5. Frontiers, 2024 -- Cortical compensation mechanism for swallowing recovery in patients with medullary infarction-induced dysphagia
  6. Surgical Endoscopy — Influence of Previous Endoscopic or Surgical Treatments on Outcomes Following Peroral Endoscopic Myotomy for Achalasia
  7. European Stroke Organisation and European Society for Swallowing Disorders guideline for the diagnosis and treatment of post-stroke dysphagia - PMC
  8. Frontiers | Cortical compensation mechanism for swallowing recovery in patients with medullary infarction-induced dysphagia
  9. Botulinum Toxin Injection for the Treatment of Upper Esophageal Sphincter Dysfunction - PMC

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