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Erschienen in: Der Schmerz 6/2009

01.12.2009 | Übersichten

Chronischer Schmerz verändert die Struktur des Gehirns

verfasst von: PD Dr. A. May

Erschienen in: Der Schmerz | Ausgabe 6/2009

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Zusammenfassung

Obwohl chronische Schmerzen und die Chronifizierung von Schmerz zu den häufigsten Herausforderungen einer Schmerzambulanz gehören, ist die Pathogenese chronischer Schmerzen weiterhin unklar. Neuere Ergebnisse zeigen hirnmorphologische Veränderungen bei Patienten mit chronischen Schmerzen im Sinne einer regional spezifischen Abnahme an grauer Substanz. Diese Veränderungen sind unabhängig vom Syndrom oder der anatomischen Projektion der Schmerzen und überlappen im vorderen und mittleren Cingulum, der vorderen Inselrinde, dem orbitofrontalen Kortex und dem Hirnstamm. Die Interpretation der Abnahme an grauer Substanz wird in der Literatur fälschlicherweise meist als Schädigung oder Atrophie des Gehirns interpretiert. Die funktionelle Relevanz dieser Hirnveränderung ist noch nicht klar, jedoch ist die Übereinstimmung der bisher publizierten Befunde verblüffend und deutet darauf hin, dass das sog. Schmerzgedächtnis visualisiert werden kann.
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Metadaten
Titel
Chronischer Schmerz verändert die Struktur des Gehirns
verfasst von
PD Dr. A. May
Publikationsdatum
01.12.2009
Verlag
Springer-Verlag
Erschienen in
Der Schmerz / Ausgabe 6/2009
Print ISSN: 0932-433X
Elektronische ISSN: 1432-2129
DOI
https://doi.org/10.1007/s00482-009-0842-1

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