{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T00:00:30Z","timestamp":1785369630235,"version":"3.55.0"},"reference-count":96,"publisher":"Georg Thieme Verlag KG","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sportverletz Sportschaden"],"abstract":"<jats:title>Zusammenfassung<\/jats:title>\n                  <jats:p>Atrophie der Oberschenkelmuskulatur ist ein regelhaft auftretendes Problem nach vorderer Kreuzbandrekonstruktion. Ein schlechter Muskelstatus postoperativ ist mit schlechterem funktionellem Outcome und einem erh\u00f6hten Risiko f\u00fcr erneute Verletzungen assoziiert.<\/jats:p>\n                  <jats:p>Narrative \u00dcbersichtsarbeit auf der Grundlage einer Literaturrecherche in PubMed und Cochrane zu pr\u00e4-, intra-\/perioperativen und postoperativen Interventionen sowie begleitenden Ma\u00dfnahmen (Ern\u00e4hrung, Supplementierung) zur Reduktion der Muskelatrophie nach vorderer Kreuzbandrekonstruktion.<\/jats:p>\n                  <jats:p>Verschiedene Faktoren und Interventionsm\u00f6glichkeiten k\u00f6nnen die Muskelatrophie reduzieren. Pr\u00e4operativ sind der Operationszeitpunkt (21\u2013100 Tage nach Verletzung) sowie eine strukturierte Prehabilitation bedeutsam. Intraoperativ erh\u00f6ht die Tourniquet-Anlage die fr\u00fche Atrophie ohne langfristigen Effekt; ein Femoralisnervenblock sollte vermieden werden. Die Transplantatwahl beeinflusst das Atrophierisiko ma\u00dfgeblich (QT&gt;BPTB&gt;HT). Postoperativ sind progressives exzentrisches Krafttraining und fr\u00fche NMES die wirksamsten Interventionen; Blood-Flow-Restriction-Training (BFRT) ist eine vielversprechende Erg\u00e4nzung.<\/jats:p>\n                  <jats:p>Ern\u00e4hrungsoptimierung (mind. 1,6\u20131,9g Protein\/kg KG\/Tag) sowie perioperative Supplementierung mit essenziellen Aminos\u00e4uren (EAA) und Beta-Hydroxy-Beta-Methylbutyrate (HMB) zeigen positive Effekte, insbesondere bei Risikopatienten.<\/jats:p>\n                  <jats:p>Muskelatrophie nach vorderer Kreuzbandrekonstruktion ist unvermeidbar, aber durch einen multimodalen perioperativen Ansatz deutlich reduzierbar. Insbesondere bei Risikopatienten (weibliches Geschlecht, h\u00f6heres Alter, schlechter pr\u00e4operativer Muskelstatus, QT-Transplantat) sollte eine konsequente Kombination aller verf\u00fcgbaren Ma\u00dfnahmen angestrebt werden.<\/jats:p>","DOI":"10.1055\/a-2904-8661","type":"journal-article","created":{"date-parts":[[2026,7,29]],"date-time":"2026-07-29T23:34:54Z","timestamp":1785368094000},"source":"Crossref","is-referenced-by-count":0,"title":["Reduktion der Muskelatrophie nach vorderem Kreuzbandersatz"],"prefix":"10.1055","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9699-370X","authenticated-orcid":false,"given":"Maurice","family":"Balke","sequence":"additional","affiliation":[{"name":"Sportsclinic Cologne, GERMANY","place":["K\u00f6ln-Rodenkirchen"]},{"name":"Klinikum K\u00f6ln-Merheim, GERMANY","place":["Cologne"],"department":["Universit\u00e4t Witten\/Herdecke"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5470-4981","authenticated-orcid":false,"given":"Ralph","family":"Akoto","sequence":"additional","affiliation":[{"name":"Klinikum K\u00f6ln-Merheim, GERMANY","place":["Cologne"],"department":["Universit\u00e4t Witten\/Herdecke"]},{"name":"Klinik f\u00fcr Unfallchirurgie, Orthop\u00e4die und Sporttraumatologie, GERMANY","place":["Hamburg"],"department":["BG Klinikum Hamburg"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2181-6597","authenticated-orcid":false,"given":"J\u00fcrgen","family":"H\u00f6her","sequence":"additional","affiliation":[{"name":"Sportsclinic Cologne, GERMANY","place":["K\u00f6ln-Rodenkirchen"]},{"name":"Klinikum K\u00f6ln-Merheim, GERMANY","place":["Cologne"],"department":["Universit\u00e4t 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