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Muscle Nerve. 2017 Oct;56(4):737-743. doi: 10.1002/mus.25558. Epub 2017 Apr 13.

The electrodiagnostic natural history of parsonage-turner syndrome.

Author information

1
Department of Physiatry, Hospital for Special Surgery, 429 East 75th Street, Third Floor, New York, New York, 10021, USA.
2
Hand and Upper Extremity Surgery, Department of Orthopedics, Hospital for Special Surgery, New York, New York, USA.

Abstract

INTRODUCTION:

Recovery from Parsonage-Turner syndrome (PTS) is generally favorable, although recovery times have been shown to vary, in part because there are no universally accepted outcome measures. In this study, we describe the electrodiagnostic natural history of this condition based on objective electrodiagnostic testing, and propose that complete electrodiagnostic recovery can be seen as early as 1 year.

METHODS:

Twenty-six subjects with 29 affected nerves confirmed as PTS were followed every 3 months for electrodiagnostic testing, or until full reinnervation was confirmed.

RESULTS:

Twenty-three cases (79.3%) demonstrated electrodiagnostic evidence of initial recovery at a mean of 5.8 months. Nine cases (31%) showed complete electrodiagnostic recovery at a mean of 1 year. When excluding cases with <1 year of follow-up, 52.9% achieved complete electrodiagnostic recovery.

CONCLUSIONS:

In contrast to previous reports, full electrodiagnostic recovery of PTS was demonstrated at a mean of 1 year in > 50% of patients with longer term follow-up. Muscle Nerve 56: 737-743, 2017.

KEYWORDS:

Parsonage-Turner syndrome; brachial neuritis; idiopathic; neuralgic amyotrophy; plexopathy

PMID:
28044362
DOI:
10.1002/mus.25558
[Indexed for MEDLINE]

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