Zusammenfassung
Intensivpatienten sind in hohem Maße gefährdet, im Verlauf der Intensivbehandlung Komplikationen, wie Sepsis, mit der Folge von Multiorganversagen zu entwickeln. Weitaus häufiger jedoch führt die Sepsis selbst zur Aufnahme auf die Intensivstation und kann in eine schwere Sepsis übergehen. Zentrales und peripheres Nervensystem stellen hierbei mögliche „Zielorgane“ dar. Neuromuskuläre Komplikationen äußern sich neben Enzephalopathien peripher in Form von „critical illness polyneuropathy“ (CIP) oder „critical illness myopathy“ (CIM). Beide Komplikationen werden häufig erst bei Entwöhnungsverzögerungen vom Respirator und Einschränkungen der willkürlichen Kraft beim erwachenden Patienten bemerkt. In der Folge verzögern sich Intensivbehandlung und Rehabilitation. Die volkswirtschaftlichen Kosten sind enorm. Die Schwierigkeit der Diagnosestellung von CIM und CIP erfordert einen multidisziplinären Ansatz. Unser Verständnis der zugrunde liegenden Ursachen primärer Myopathien beim Intensivpatienten steckt noch in den Anfängen; spezifische Therapien sind nicht verfügbar. Der vorliegende Artikel gibt einen Überblick über die klinischen Symptome und neue Diagnosestrategien zur frühzeitigen Erfassung von Myopathien bei Intensivpatienten. Schwerpunktmäßig werden aktuelle Ergebnisse und Sichtweisen zu den möglichen Pathomechanismen dargestellt. Hieraus lassen sich bereits einige einfache therapeutische oder präventive Interventionen für die Intensivbehandlung ableiten, die am Schluss zusammengestellt und diskutiert werden.
Abstract
Intensive care patients are at increased risk of developing sepsis with multi-organ failure during treatment (severe sepsis) possibly leading to complications of the central and peripheral nervous system. Among these, septic encephalopathy, critical illness polyneuropathy (CIP) and critical illness myopathy (CIM) are the most important. Neuromuscular complications in particular are difficult to diagnose as they mostly become apparent only when sedation has ceased and the awakening patient experiences difficulties in weaning from the respirator and reduced voluntary strength. CIP and CIM are generally self-limiting, however, they greatly prolong ICU stay and rehabilitation, thus nowadays also imposing a real budget threat. The diagnostics, especially the differentiation between CIM and CIP is difficult and a multi-disciplinary approach involving ICU physicians, anesthetists and neurologists is needed. Our knowledge of the causes of the primary ICU myopathy, although rapidly evolving during recent years, is still in its infancy and specific treatment of CIM is not yet available. The present overview summarizes insights into clinical and new diagnostic strategies for early detection of neuromuscular dysfunction in ICU patients. This article focuses on current concepts and results revealing the pathomechanism(s) of CIM and some simple therapeutic or preventive measures have been deduced which are summarized and discussed.
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Danksagung
Wir danken Frau Dr.med. B. Sinner D.E.A.A. (Zentrum Anästhesiologie, Rettungs- und Intensivmedizin, Georg-August-Universität Göttingen) für kritische Durchsicht des Manuskriptes und wertvolle Anregungen.
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Friedrich, O., Hund, E. „Critical illness myopathy“ bei Intensivpatienten. Anaesthesist 55, 1271–1280 (2006). https://doi.org/10.1007/s00101-006-1100-x
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DOI: https://doi.org/10.1007/s00101-006-1100-x