Phrenic neuropathy and diaphragm dysfunction in neuralgic amyotrophy

Alfen, Nens van; Doorduin, Jonne; Rosmalen, Marieke H. J. van; Eijk, J.J.J. van; Heijdra, Yvonne F.; Boon, Andrea J.; Gaytant, Michael A.; Biggelaar, Ries J. M. van den; Sprooten, Roy T.M.; Wijkstra, Peter J.; Groothuis, Jan T.

doi:10.1212/wnl.0000000000006076

Cited by 42 publications

(48 citation statements)

References 20 publications

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“…Our findings are in agreement with previous studies that noted sonographic enlargement in nerves without apparent demyelinating nerve conduction abnormalities . The complementary role of HRUS and NCS in the diagnostic evaluation of chronic inflammatory neuropathies mirrors that of focal neuropathies . In addition, HRUS may also have prognostic value in chronic inflammatory neuropathies .…”

Section: Discussionsupporting

confidence: 92%

“…[15][16][17][18] The complementary role of HRUS and NCS in the diagnostic evaluation of chronic inflammatory neuropathies mirrors that of focal neuropathies. [19][20][21][22][23] In addition, HRUS may also have prognostic value in chronic inflammatory neuropathies. [24][25][26][27][28] Magnetic resonance imaging results of the brachial plexus were abnormal in only one patient, which may suggest that the larger field of view of HRUS offers a diagnostic advantage compared to MRI.…”

Section: Resultsmentioning

confidence: 99%

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Nerve ultrasound can identify treatment‐responsive chronic neuropathies without electrodiagnostic features of demyelination

et al. 2019

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Introduction We present a case series of six treatment‐naive patients with clinical phenotypes compatible with chronic inflammatory demyelinating polyneuropathy and multifocal motor neuropathy without electrodiagnostic features of demyelination but with abnormal peripheral ultrasound findings who responded to treatment. Methods All six patients underwent a complete set of ancillary investigations, including extensive nerve conduction studies. We also performed standardized nerve ultrasound of median nerves and brachial plexus as part of a larger effort to evaluate diagnostic value of sonography. Results Nerve conduction studies did not show conduction block or other signs of demyelination in any of the six patients. Sonographic nerve enlargement was present in all patients and was most prominent in proximal segments of the median nerve and brachial plexus. Treatment with intravenous immunoglobulin resulted in objective clinical improvement. Discussion Our study provides evidence that nerve ultrasound represents a useful complementary diagnostic tool for the identification of treatment‐responsive inflammatory neuropathies.

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Section: Discussionsupporting

confidence: 92%

Section: Resultsmentioning

confidence: 99%

Nerve ultrasound can identify treatment‐responsive chronic neuropathies without electrodiagnostic features of demyelination

et al. 2019

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“…Importantly, there should be attentiveness for the involvement of certain nerve roots that may have complicating outcomes such as phrenic nerve paralysis with resulting diaphragm dysfunction and breathing difficulties. To our knowledge, phrenic nerve involvement has been identified in about 7% of cases of Parsonage-Turner syndrome [3,9].…”

Section: Discussionmentioning

confidence: 88%

Atypical Presentation of Parsonage-Turner Syndrome

Ibrahim¹,

Krivitsky²,

Nicola³

et al. 2020

Cureus

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“…In some instances, isolated unilateral or bilateral phrenic neuropathies, anterior interosseous neuropathy (indicating more proximal fascicular involvement in the plexus), long thoracic neuropathy, or suprascapular neuropathy may be found ( Ferrante and Wilbourn, 2017 , Tsao et al, 2006 , van Alfen et al, 2018 ).…”

Section: The Brachial Plexusmentioning

confidence: 99%