Nerve Ultrasound Distinguishes Non-Inflammatory Axonal Polyneuropathy From Inflammatory Polyneuropathy With Secondary Axonal Damage

IntroductionChronic inflammatory demyelinating polyneuropathy (CIDP) may have a similar clinical and electrophysiological presentation to non-inflammatory axonal polyneuropathies (NIAPs) when secondary axonal damage occurs. We aimed to investigate if nerve ultrasound can help to differentiate CIDP w...

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Main Authors: Jil Brünger, Jeremias Motte, Thomas Grüter, Hannah Mork, Yesim Bulut, Anne Carolus, Diamantis Athanasopoulos, Min-Suk Yoon, Ralf Gold, Kalliopi Pitarokoili, Anna Lena Fisse
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-01-01
Series:Frontiers in Neurology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fneur.2021.809359/full
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author Jil Brünger
Jil Brünger
Jeremias Motte
Jeremias Motte
Thomas Grüter
Thomas Grüter
Hannah Mork
Hannah Mork
Yesim Bulut
Yesim Bulut
Anne Carolus
Diamantis Athanasopoulos
Diamantis Athanasopoulos
Min-Suk Yoon
Min-Suk Yoon
Ralf Gold
Ralf Gold
Kalliopi Pitarokoili
Kalliopi Pitarokoili
Anna Lena Fisse
Anna Lena Fisse
author_facet Jil Brünger
Jil Brünger
Jeremias Motte
Jeremias Motte
Thomas Grüter
Thomas Grüter
Hannah Mork
Hannah Mork
Yesim Bulut
Yesim Bulut
Anne Carolus
Diamantis Athanasopoulos
Diamantis Athanasopoulos
Min-Suk Yoon
Min-Suk Yoon
Ralf Gold
Ralf Gold
Kalliopi Pitarokoili
Kalliopi Pitarokoili
Anna Lena Fisse
Anna Lena Fisse
author_sort Jil Brünger
collection DOAJ
description IntroductionChronic inflammatory demyelinating polyneuropathy (CIDP) may have a similar clinical and electrophysiological presentation to non-inflammatory axonal polyneuropathies (NIAPs) when secondary axonal damage occurs. We aimed to investigate if nerve ultrasound can help to differentiate CIDP with additional secondary axonal damage from NIAP.MethodsIn a retrospective analysis, the cross-sectional area (CSA) of the peripheral nerves measured by ultrasound at six suitable nerve sites was compared in 95 patients with CIDP and 82 patients with NIAP. We developed the adjusted Bochum ultrasound score (aBUS) ranging from 0 to 6 resulting from the number of sites with enlarged CSA (median, ulnar, radial, and sural nerve).ResultsThe mean CSA of patients with CIDP was enlarged at all six nerve sites compared with the mean CSA of patients with NIAP. A total of 21 patients with CIDP did not meet 2010 electrophysiological diagnostic criteria (European Academy of Neurology/Peripheral Nerve Society Guideline, EFNS/PNS criteria) for CIDP at examination timepoint but only in further follow-up, while 25 patients with NIAP fulfilled electrophysiological EFNS/PNS criteria for CIDP as “possible” or “probable” CIDP. To increase diagnostic power, we included aBUS measured by ultrasound in patients classified as “possible” or “probable” resulting in an improved specificity of 94% and a sensitivity of 59%, compared to a specificity of the EFNS/PNS criteria alone of 60% and sensitivity of 78%.ConclusionUsing nerve ultrasound and the aBUS as a complementary method to distinguish CIDP from NIAP in case of secondary axonal damage can facilitate the diagnosis of CIDP.
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spelling doaj.art-d63a23938f0a4030b77e2ccf4ca319a12022-12-21T21:37:03ZengFrontiers Media S.A.Frontiers in Neurology1664-22952022-01-011210.3389/fneur.2021.809359809359Nerve Ultrasound Distinguishes Non-Inflammatory Axonal Polyneuropathy From Inflammatory Polyneuropathy With Secondary Axonal DamageJil Brünger0Jil Brünger1Jeremias Motte2Jeremias Motte3Thomas Grüter4Thomas Grüter5Hannah Mork6Hannah Mork7Yesim Bulut8Yesim Bulut9Anne Carolus10Diamantis Athanasopoulos11Diamantis Athanasopoulos12Min-Suk Yoon13Min-Suk Yoon14Ralf Gold15Ralf Gold16Kalliopi Pitarokoili17Kalliopi Pitarokoili18Anna Lena Fisse19Anna Lena Fisse20Department of Neurology, St. Josef Hospital, Ruhr-University Bochum, Bochum, GermanyImmunmediated Neuropathies Biobank (INHIBIT), Ruhr University Bochum, Bochum, GermanyDepartment of Neurology, St. Josef Hospital, Ruhr-University Bochum, Bochum, GermanyImmunmediated Neuropathies Biobank (INHIBIT), Ruhr University Bochum, Bochum, GermanyDepartment of Neurology, St. Josef Hospital, Ruhr-University Bochum, Bochum, GermanyImmunmediated Neuropathies Biobank (INHIBIT), Ruhr University Bochum, Bochum, GermanyDepartment of Neurology, St. Josef Hospital, Ruhr-University Bochum, Bochum, GermanyImmunmediated Neuropathies Biobank (INHIBIT), Ruhr University Bochum, Bochum, GermanyDepartment of Neurology, St. Josef Hospital, Ruhr-University Bochum, Bochum, GermanyImmunmediated Neuropathies Biobank (INHIBIT), Ruhr University Bochum, Bochum, GermanyClinic for Neurosurgery, University Medical Center Knappschaftskrankenhaus Bochum, Bochum, GermanyDepartment of Neurology, St. Josef Hospital, Ruhr-University Bochum, Bochum, GermanyImmunmediated Neuropathies Biobank (INHIBIT), Ruhr University Bochum, Bochum, GermanyImmunmediated Neuropathies Biobank (INHIBIT), Ruhr University Bochum, Bochum, GermanyDepartment of Neurology, Evangelisches Krankenhaus Hattingen, Hattingen, GermanyDepartment of Neurology, St. Josef Hospital, Ruhr-University Bochum, Bochum, GermanyImmunmediated Neuropathies Biobank (INHIBIT), Ruhr University Bochum, Bochum, GermanyDepartment of Neurology, St. Josef Hospital, Ruhr-University Bochum, Bochum, GermanyImmunmediated Neuropathies Biobank (INHIBIT), Ruhr University Bochum, Bochum, GermanyDepartment of Neurology, St. Josef Hospital, Ruhr-University Bochum, Bochum, GermanyImmunmediated Neuropathies Biobank (INHIBIT), Ruhr University Bochum, Bochum, GermanyIntroductionChronic inflammatory demyelinating polyneuropathy (CIDP) may have a similar clinical and electrophysiological presentation to non-inflammatory axonal polyneuropathies (NIAPs) when secondary axonal damage occurs. We aimed to investigate if nerve ultrasound can help to differentiate CIDP with additional secondary axonal damage from NIAP.MethodsIn a retrospective analysis, the cross-sectional area (CSA) of the peripheral nerves measured by ultrasound at six suitable nerve sites was compared in 95 patients with CIDP and 82 patients with NIAP. We developed the adjusted Bochum ultrasound score (aBUS) ranging from 0 to 6 resulting from the number of sites with enlarged CSA (median, ulnar, radial, and sural nerve).ResultsThe mean CSA of patients with CIDP was enlarged at all six nerve sites compared with the mean CSA of patients with NIAP. A total of 21 patients with CIDP did not meet 2010 electrophysiological diagnostic criteria (European Academy of Neurology/Peripheral Nerve Society Guideline, EFNS/PNS criteria) for CIDP at examination timepoint but only in further follow-up, while 25 patients with NIAP fulfilled electrophysiological EFNS/PNS criteria for CIDP as “possible” or “probable” CIDP. To increase diagnostic power, we included aBUS measured by ultrasound in patients classified as “possible” or “probable” resulting in an improved specificity of 94% and a sensitivity of 59%, compared to a specificity of the EFNS/PNS criteria alone of 60% and sensitivity of 78%.ConclusionUsing nerve ultrasound and the aBUS as a complementary method to distinguish CIDP from NIAP in case of secondary axonal damage can facilitate the diagnosis of CIDP.https://www.frontiersin.org/articles/10.3389/fneur.2021.809359/fullchronic inflammatory demyelinating polyneuropathyaxonal damageBochum ultrasound scorehigh-resolution ultrasonographyinflammatory neuropathy
spellingShingle Jil Brünger
Jil Brünger
Jeremias Motte
Jeremias Motte
Thomas Grüter
Thomas Grüter
Hannah Mork
Hannah Mork
Yesim Bulut
Yesim Bulut
Anne Carolus
Diamantis Athanasopoulos
Diamantis Athanasopoulos
Min-Suk Yoon
Min-Suk Yoon
Ralf Gold
Ralf Gold
Kalliopi Pitarokoili
Kalliopi Pitarokoili
Anna Lena Fisse
Anna Lena Fisse
Nerve Ultrasound Distinguishes Non-Inflammatory Axonal Polyneuropathy From Inflammatory Polyneuropathy With Secondary Axonal Damage
Frontiers in Neurology
chronic inflammatory demyelinating polyneuropathy
axonal damage
Bochum ultrasound score
high-resolution ultrasonography
inflammatory neuropathy
title Nerve Ultrasound Distinguishes Non-Inflammatory Axonal Polyneuropathy From Inflammatory Polyneuropathy With Secondary Axonal Damage
title_full Nerve Ultrasound Distinguishes Non-Inflammatory Axonal Polyneuropathy From Inflammatory Polyneuropathy With Secondary Axonal Damage
title_fullStr Nerve Ultrasound Distinguishes Non-Inflammatory Axonal Polyneuropathy From Inflammatory Polyneuropathy With Secondary Axonal Damage
title_full_unstemmed Nerve Ultrasound Distinguishes Non-Inflammatory Axonal Polyneuropathy From Inflammatory Polyneuropathy With Secondary Axonal Damage
title_short Nerve Ultrasound Distinguishes Non-Inflammatory Axonal Polyneuropathy From Inflammatory Polyneuropathy With Secondary Axonal Damage
title_sort nerve ultrasound distinguishes non inflammatory axonal polyneuropathy from inflammatory polyneuropathy with secondary axonal damage
topic chronic inflammatory demyelinating polyneuropathy
axonal damage
Bochum ultrasound score
high-resolution ultrasonography
inflammatory neuropathy
url https://www.frontiersin.org/articles/10.3389/fneur.2021.809359/full
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