Myotonic dystrophy and large volume botox

37yo hysterectomy + hernia repair  multidisciplinary surgery involving gynae/gen surg

Background: 

  • Fibroid uterus, significant adhesions, previous failed surgery (unable to access the uterus)
  • Myotonic dystrophy
    • Reflux ++, slurred speech and dysphagia
    • Normal TTE and PFTs
  • Smoker

Issues:

  • Large Botox dose in context of myotonic dystrophy
    • Neurologist concerned with dose and potential for systemic absorption and prolonged exacerbation of muscular issues
    • Surgeon feels the high dose botox is essential to success of the procedure

Discussion:

  • Botox use in this setting
    • Injected into abdominal musculature
    • Takes 2-3 weeks for full response
    • Nil evidence/ literature around high dose botox dose in muscular dystrophy
    • Systemic absorption – risk of headaches, fever, HTN, generalized weakness, dysphagia, subsequent aspiration)

Plan:

  • Await further MDT planning between neurology and surgeons
  • ? reduced botox dose may be possible