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Paraparesis

Last edited: 4/15/2026

Overview

Paraparesis refers to weakness affecting the lower limbs, often due to neurological conditions affecting the spinal cord, peripheral nerves, or neuromuscular junctions. It can significantly impair mobility and daily functioning 1.

Diagnosis

  • Clinical assessment focusing on motor function and sensory evaluation in lower extremities.
  • Electromyography (EMG) and nerve conduction studies to assess peripheral nerve involvement.
  • MRI of the spine to rule out spinal cord compression or lesions.
  • Blood tests to exclude systemic causes such as inflammatory or metabolic disorders 1.

    • Management

  • First-line treatments: Physical therapy to maintain muscle tone and prevent contractures.
  • Pharmacological interventions: Benzodiazepines like midazolam for acute procedural sedation in spastic disorders, titrated carefully (bolus 0.75mg followed by incremental doses ≤0.5mg every 10 minutes, total dose <0.1mg/kg) 1.
  • Adjunctive therapies: Baclofen or other muscle relaxants for spasticity management, though specific dosing not detailed in provided abstracts.

    • Special Populations

  • Pediatrics: Limited specific guidance in provided abstracts; individualized approach recommended.
  • Elderly: Careful titration of sedatives due to increased risk of adverse effects; close monitoring essential 1.
  • Comorbidities: Consideration of additional neurological or systemic conditions affecting treatment choices; tailored management strategies advised 1.

    • Key Recommendations

  • Use benzodiazepines such as midazolam for procedural sedation in patients with spastic disorders, titrating doses carefully to avoid adverse effects (Evidence: Weak) 1.
  • Implement physical therapy as a cornerstone of management to preserve function and prevent complications (Evidence: Expert opinion) 1.
  • Conduct comprehensive diagnostic evaluations including EMG, nerve conduction studies, and imaging to identify underlying causes (Evidence: Moderate) 1.

    • References

    1 van der Bijl P, Roelofse JA. Conscious sedation with midazolam in a dental patient with a spastic nerve/muscle disorder--a case report. Annals of dentistry 1994. link

    Original source

    1. [1]
      Conscious sedation with midazolam in a dental patient with a spastic nerve/muscle disorder--a case report. — van der Bijl P, Roelofse JA Annals of dentistry (1994)
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