Transverse myelitis natural history, complications and prognosis
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Prognosis for complete recovery is generally poor. Recovery from transverse myelitis usually begins between weeks 2 and 12 following onset and may continue for up to 2 years in some patients, many of whom are left with considerable disabilities. Some patients show no signs of recovery whatsoever.
Prognosis
Recovery from transverse myelitis usually begins within 2 to 12 weeks of the onset of symptoms and may continue for up to 2 years. However, if there is no improvement within the first 3 to 6 months, significant recovery is unlikely. About one-third of people affected with transverse myelitis experience good or full recovery from their symptoms; they regain the ability to walk normally and experience minimal urinary or bowel effects and paresthesias. Another one-third show only fair recovery and are left with significant deficits such as spastic gait, sensory dysfunction, and prominent urinary urgency or incontinence. The remaining one-third show no recovery at all, remaining wheelchair-bound or bedridden with marked dependence on others for basic functions of daily living. Unfortunately, making predictions about individual cases is difficult. However, research has shown that a rapid onset of symptoms generally results in poorer recovery outcomes.
The majority of people with this disorder experience only one episode although in rare cases recurrent or relapsing transverse myelitis does occur. Some patients recover completely, then experience a relapse. Others begin to recover, then suffer worsening of symptoms before recovery continues. In all cases of relapse, physicians will evaluate possible underlying causes such as MS, NMO, or systemic lupus erythematosus since most people who experience relapse have an identifiable underlying disorder. People with a recurrent relapsing disorder will usually require some type of ongoing therapy that modulates or suppresses the immune system. The propose of such therapies is to reduce the chance of future relapses.