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DOI: 10.1055/a-2666-2780
Weaning von der Beatmung
Weaning from VentilationAuthors
Das Weaning der Patienten stellt in der intensivmedizinischen Behandlung eine Herausforderung dar: Es gilt individualisiert die optimale Weaning-Strategie zu finden. In diesem Beitrag wird das Vorgehen mit Spontanatmungsversuch, korrekter Einordnung und Weaning-Protokoll erläutert. Dazu werden verschiedene Beatmungsmodi und Weaning-Strategien diskutiert. Zuletzt wird auf mögliche Ursachen eines Weaning-Versagens eingegangen, und wie diesen begegnet werden kann.
Abtract
Weaning from invasive mechanical ventilation is a central task in intensive care
medicine and has gained increasing importance due to the rising number of patients
requiring prolonged or even long-term ventilatory support. Early identification
of
patients at risk for difficult or prolonged weaning is crucial to improve outcomes
and
avoid long-term ventilation. Recent evidence highlights the growing role of predictive
parameters such as ultrasound-based diaphragm assessment, mechanical power density,
and
biomarkers of respiratory effort. Emerging approaches, including automated
ventilator-supported weaning algorithms and artificial intelligence-assisted analysis
of
diaphragm ultrasound combined with clinical data, show promise in reducing prolonged
weaning failure.
Successful weaning is a multifactorial and interprofessional
process that should be initiated as early as possible once contraindications are
excluded. Core elements include structured daily weaning assessments, spontaneous
breathing trials (SBT), optimization of sedation strategies within the ABCDEF bundle,
and individualized adaptation of ventilatory modes. Pressure support ventilation
remains
the most commonly used mode in Europe, while newer modalities such as neurally
adjusted
ventilatory assist and proportional assist ventilation offer potential benefits
in
selected patients but require expertise and further validation.
Diaphragm
dysfunction plays a key role in weaning failure. Controlled ventilation can rapidly
induce diaphragmatic atrophy and myotrauma, emphasizing the importance of monitoring
respiratory drive and effort, for instance via P0.1 measurements and diaphragm
ultrasound. Noninvasive ventilation after extubation has demonstrated efficacy
in
reducing reintubation rates in high-risk patients when applied
adequately.
Tracheostomy is an important option in patients with anticipated
prolonged weaning, facilitating airway management, reducing sedation needs, and
enabling
rehabilitation, although optimal timing must be individualized. Overall, successful
weaning requires a structured, protocol-based, and interprofessional approach that
integrates physiological monitoring, early mobilization, and targeted therapies
to
improve patient-centered outcomes and quality of life.
-
Bei vorhandener Weaning-Bereitschaft soll möglichst frühzeitig ein Spontanatmungsversuch durchgeführt werden [16].
-
Mehrere Spontanatmungsversuche können nötig sein, wenn der Patient beim 1. Versuch versagt.
-
Der Rapid Shallow Breathing Index sollte in Kombination mit dem Spontanatmungsversuch zur Beurteilung der muskulären Erschöpfung gemessen werden [16].
-
Ursachen für Kontraindikationen einer Extubation sollten zeitnah erfasst und behoben werden.
-
Zwischen den Spontanatmungsphasen im Weaning soll die Atemmuskulatur ausreichend entlastet werden, um sich regenerieren zu können [16].
Keywords
weaning - weaning protocol - SBT - spontaneous breathing trial - SAT - spontaneous awakening trial - ABCDEFPublication History
Article published online:
27 February 2026
© 2026. Thieme. All rights reserved.
Georg Thieme Verlag KG
Oswald-Hesse-Straße 50, 70469 Stuttgart, Germany
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