{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T07:01:04Z","timestamp":1790751664833,"version":"4.1.0"},"reference-count":30,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,9,25]],"date-time":"2026-09-25T00:00:00Z","timestamp":1790294400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,9,25]],"date-time":"2026-09-25T00:00:00Z","timestamp":1790294400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Muscle and Nerve"],"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Introduction\/Aims<\/jats:title>\n                    <jats:p>Routine assessment of muscle reinnervation primarily relies on clinical and electromyographic evaluation. The aim of this preliminary study was to evaluate sensitivity of quantitative ultrasound analysis for monitoring intrinsic hand muscle recovery following anterior interosseous nerve (AIN)\u2010to\u2010ulnar motor branch supercharged end\u2010to\u2010side (SETS) transfer.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Eight patients (five male, three female; mean age 54.5\u2009years, range 10\u201380) underwent anterior ulnar nerve transposition with AIN\u2010to\u2010ulnar motor branch SETS transfer. High\u2010resolution ultrasound assessed the first dorsal interosseous (FDI) and hypothenar muscles pre\u2010 and postoperatively using quantitative grayscale and cross\u2010sectional thickness (CST) analysis. Functional outcomes included key pinch and grip strength.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Preoperatively, affected FDI and hypothenar muscles exhibited significantly higher grayscale and lower CST values compared with the contralateral side. Following surgery, this difference decreased significantly in both muscle groups (FDI: mean difference [MD] \u221219.9, 95% CI \u221233.5 to \u22126.3;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.013; hypothenar: MD \u221221.2, 95% CI \u221232.1 to \u221210.3;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.006). CST measurements improved in the FDI muscle (MD \u22127.1\u2009mm, 95% CI \u221211.3 to \u22122.9;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.009), while there was no significant CST change in the hypothenar muscle (MD \u22122.3\u2009mm, 95% CI \u22124.9 to 0.4;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.081). There was a significant correlation between FDI muscle grayscale values and key pinch strength (\n                      <jats:italic>R<\/jats:italic>\n                      <jats:sup>2<\/jats:sup>\n                      \u2009=\u20090.31), whereas hypothenar echogenicity showed no correlation with grip strength (\n                      <jats:italic>R<\/jats:italic>\n                      <jats:sup>2<\/jats:sup>\n                      \u2009=\u20090.0001).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Discussion<\/jats:title>\n                    <jats:p>This preliminary study suggests that quantitative ultrasound of intrinsic hand muscles appears sensitive and can detect structural changes during reinnervation following AIN\u2010to\u2010ulnar motor branch SETS transfer.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/mus.70407","type":"journal-article","created":{"date-parts":[[2026,9,25]],"date-time":"2026-09-25T10:02:59Z","timestamp":1790330579000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Quantitative Ultrasound Analysis of Muscle Reinnervation Following Anterior Interosseous Nerve\u2010To\u2010Ulnar Motor Branch Supercharged End\u2010To\u2010Side Transfer Surgery: A Preliminary Study"],"prefix":"10.1002","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2206-4297","authenticated-orcid":false,"given":"R\u00e9my","family":"Liechti","sequence":"first","affiliation":[{"name":"Department of Plastic and Hand Surgery Inselspital, University Hospital of Bern  Bern Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2491-3985","authenticated-orcid":false,"given":"Esther","family":"V\u00f6gelin","sequence":"additional","affiliation":[{"name":"Department of Plastic and Hand Surgery Inselspital, University Hospital of Bern  Bern Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,9,25]]},"reference":[{"key":"e_1_2_13_2_1","doi-asserted-by":"publisher","DOI":"10.1007\/S12178\u2010020\u201009676\u20102"},{"key":"e_1_2_13_3_1","doi-asserted-by":"publisher","DOI":"10.1001\/JAMANETWORKOPEN.2020.24352"},{"key":"e_1_2_13_4_1","doi-asserted-by":"publisher","DOI":"10.1007\/S00701\u2010017\u20103420\u20109"},{"key":"e_1_2_13_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/J.JHSA.2012.07.022"},{"key":"e_1_2_13_6_1","doi-asserted-by":"publisher","DOI":"10.1097\/PRS.0000000000002747"},{"key":"e_1_2_13_7_1","doi-asserted-by":"publisher","DOI":"10.1186\/S12891\u2010024\u201007650\u20104"},{"key":"e_1_2_13_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/J.JPRA.2022.02.007"},{"key":"e_1_2_13_9_1","doi-asserted-by":"publisher","DOI":"10.1002\/PMRJ.12586"},{"key":"e_1_2_13_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/J.BJPS.2020.11.030"},{"key":"e_1_2_13_11_1","doi-asserted-by":"publisher","DOI":"10.52965\/001C.37578"},{"key":"e_1_2_13_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/J.CLINPH.2008.03.018"},{"key":"e_1_2_13_13_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jhsg.2024.12.001"},{"key":"e_1_2_13_14_1","doi-asserted-by":"publisher","DOI":"10.1136\/BMJNO\u20102024\u2010000706"},{"key":"e_1_2_13_15_1","doi-asserted-by":"publisher","DOI":"10.1212\/WNL.0B013E3182904F3F"},{"key":"e_1_2_13_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/J.JSE.2018.11.042"},{"key":"e_1_2_13_17_1","doi-asserted-by":"publisher","DOI":"10.1002\/MUS.27081"},{"key":"e_1_2_13_18_1","doi-asserted-by":"publisher","DOI":"10.7863\/JUM.1993.12.2.73"},{"key":"e_1_2_13_19_1","doi-asserted-by":"publisher","DOI":"10.1002\/MUS.21015"},{"key":"e_1_2_13_20_1","doi-asserted-by":"publisher","DOI":"10.1002\/MUS.23900"},{"key":"e_1_2_13_21_1","doi-asserted-by":"publisher","DOI":"10.1016\/J.ULTRASMEDBIO.2007.08.013"},{"key":"e_1_2_13_22_1","doi-asserted-by":"publisher","DOI":"10.2147\/DNND.S215318"},{"key":"e_1_2_13_23_1","doi-asserted-by":"publisher","DOI":"10.1002\/MUS.26481"},{"key":"e_1_2_13_24_1","doi-asserted-by":"publisher","DOI":"10.1097\/PRS.0000000000011811"},{"key":"e_1_2_13_25_1","volume-title":"Quality Appraisal of Case Series Studies Checklist","author":"Institute of Health Economics (IHE)","year":"2014"},{"key":"e_1_2_13_26_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijsu.2014.07.013"},{"key":"e_1_2_13_27_1","doi-asserted-by":"publisher","DOI":"10.1055\/S\u20102002\u201033326"},{"key":"e_1_2_13_28_1","doi-asserted-by":"publisher","DOI":"10.1097\/PRS.0000000000006903"},{"key":"e_1_2_13_29_1","doi-asserted-by":"publisher","DOI":"10.1177\/15589447241286263"},{"key":"e_1_2_13_30_1","doi-asserted-by":"publisher","DOI":"10.1053\/JHSU.1999.JHSU24A0064"},{"key":"e_1_2_13_31_1","doi-asserted-by":"publisher","DOI":"10.3390\/s23104763"}],"container-title":["Muscle &amp; 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