Comparison of cross‐sectional areas and distal‐proximal nerve ratios in amyotrophic lateral sclerosis

ABSTRACT Introduction: This study explored potential diagnostic markers of nerve ultrasound in differentiating amyotrophic lateral sclerosis (ALS) from mimic disorders. Methods: Ultrasound of the median, ulnar, and tibial nerves was conducted in 53 patients with ALS, 32 patients with ALS‐mimic disor...

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Veröffentlicht in:Muscle & nerve 2018-12, Vol.58 (6), p.777-783
Hauptverfasser: Noto, Yu‐Ichi, Garg, Nidhi, Li, Tiffany, Timmins, Hannah C., Park, Susanna B., Shibuya, Kazumoto, Shahrizaila, Nortina, Huynh, William, Matamala, José M., Dharmadasa, Thanuja, Yiannikas, Con, Vucic, Steve, Kiernan, Matthew C.
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container_issue 6
container_start_page 777
container_title Muscle & nerve
container_volume 58
creator Noto, Yu‐Ichi
Garg, Nidhi
Li, Tiffany
Timmins, Hannah C.
Park, Susanna B.
Shibuya, Kazumoto
Shahrizaila, Nortina
Huynh, William
Matamala, José M.
Dharmadasa, Thanuja
Yiannikas, Con
Vucic, Steve
Kiernan, Matthew C.
description ABSTRACT Introduction: This study explored potential diagnostic markers of nerve ultrasound in differentiating amyotrophic lateral sclerosis (ALS) from mimic disorders. Methods: Ultrasound of the median, ulnar, and tibial nerves was conducted in 53 patients with ALS, 32 patients with ALS‐mimic disorders, and 30 controls. Nerve cross‐sectional area (CSA) and distal–proximal ratios were calculated. Results: The median nerve CSA in the upper arm was decreased (7.9 ± 1.3 mm2 vs. 9.0 ± 1.4 mm2, P 
doi_str_mv 10.1002/mus.26301
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Methods: Ultrasound of the median, ulnar, and tibial nerves was conducted in 53 patients with ALS, 32 patients with ALS‐mimic disorders, and 30 controls. Nerve cross‐sectional area (CSA) and distal–proximal ratios were calculated. Results: The median nerve CSA in the upper arm was decreased (7.9 ± 1.3 mm2 vs. 9.0 ± 1.4 mm2, P &lt; 0.05), and the median nerve wrist–upper arm ratio was increased in ALS patients compared with controls (1.3 ± 0.4 vs. 1.1 ± 0.2; P &lt; 0.01). In differentiating ALS from mimic presentations, assessment of median nerve CSA in the upper arm and comparison of a median and ulnar nerve CSA distal–proximal ratio provide diagnostic potential. Discussion: Assessment of nerve CSA combined with calculation of nerve CSA distal–proximal ratio provides a useful marker to aid in the diagnosis of ALS. 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Muscle Nerve 58:777–783, 2018</description><subject>Amyotrophic lateral sclerosis</subject><subject>Diagnostic systems</subject><subject>Disorders</subject><subject>Mathematical analysis</subject><subject>Median nerve</subject><subject>multifocal motor neuropathy</subject><subject>Muscles</subject><subject>Nerves</subject><subject>Patients</subject><subject>peripheral nerve</subject><subject>peripheral nerve hyperexcitability syndrome</subject><subject>Ultrasonic imaging</subject><subject>Ultrasonic testing</subject><subject>Ultrasound</subject><subject>Wrist</subject><issn>0148-639X</issn><issn>1097-4598</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp10MFu1DAQBmALgdpt6YEXQJa40ENaT-zEzhGtoFQq4gCVuEUTZyxcJfFiJ6V76yP0GXkSvGzLAYmTR5pPvzw_Y69AnIEQ5fm4pLOylgKesRWIRheqasxzthKgTFHL5tshO0rpRggBptYH7FDmqVECVsyvw7jB6FOYeHDcxpDSr_uHRHb2YcKBYyRMHKee9z7NOOTlJoY7P-bdRPGWeMRME_cTx3Eb5hg2373lA84Us0l2oBzq00v2wuGQ6OTxPWbXH95_XX8srj5fXK7fXRVWQQOFtJ1TkrBs0KBDqbUzoLrKqE73FjV0VV1LLaytoJEGdAfkHEHvqHKlRHnM3u5z8zd_LJTmdvTJ0jDgRGFJbSk0VAagVJm--YfehCXmq7OCSstSGyWyOt2rP-VEcu0m5vPjtgXR7vpvx13srv9sXz8mLt1I_V_5VHgG53vw0w-0_X9S--n6yz7yN_Yjku8</recordid><startdate>201812</startdate><enddate>201812</enddate><creator>Noto, Yu‐Ichi</creator><creator>Garg, Nidhi</creator><creator>Li, Tiffany</creator><creator>Timmins, Hannah C.</creator><creator>Park, Susanna B.</creator><creator>Shibuya, Kazumoto</creator><creator>Shahrizaila, Nortina</creator><creator>Huynh, William</creator><creator>Matamala, José M.</creator><creator>Dharmadasa, Thanuja</creator><creator>Yiannikas, Con</creator><creator>Vucic, Steve</creator><creator>Kiernan, Matthew C.</creator><general>Wiley Subscription Services, Inc</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7T5</scope><scope>7TK</scope><scope>7TM</scope><scope>7TS</scope><scope>7U7</scope><scope>7U9</scope><scope>C1K</scope><scope>H94</scope><scope>K9.</scope><scope>NAPCQ</scope><scope>7X8</scope></search><sort><creationdate>201812</creationdate><title>Comparison of cross‐sectional areas and distal‐proximal nerve ratios in amyotrophic lateral sclerosis</title><author>Noto, Yu‐Ichi ; 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subjects Amyotrophic lateral sclerosis
Diagnostic systems
Disorders
Mathematical analysis
Median nerve
multifocal motor neuropathy
Muscles
Nerves
Patients
peripheral nerve
peripheral nerve hyperexcitability syndrome
Ultrasonic imaging
Ultrasonic testing
Ultrasound
Wrist
title Comparison of cross‐sectional areas and distal‐proximal nerve ratios in amyotrophic lateral sclerosis
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