Aug 21, 2018 Therapeutic Plasma Exchange Effectively Improves Ambulation in Pediatric Transverse Myelitis Therapeutic Plasma Exchange Effectively Improves Ambulation in Pediatric Transverse Myelitis... plasma exchange (TPE) is safe and may help improve ambulation, according to a retrospective study published in Neurology: Clinical Practice. ... read morePublished on 2018-08-21