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Was ist „evidence based“ in der Adipositaschirurgie?

Evidential basis in bariatric surgery

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Zusammenfassung

Seit den 1990er Jahren gilt in den USA der Konsens, dass die bariatrische Chirurgie die beste Therapie zur Erzielung eines lang anhaltenden Gewichtsverlustes wie auch zur Behandlung der adipositasassoziierten Komorbiditäten ist. In der Folge kam es zu einem regelrechten Boom in der bariatrischen Chirurgie. Diese Entwicklung wurde zusätzlich beschleunigt durch das Aufkommen der laparoskopischen Techniken, welche die Morbidität des Eingriffes deutlich verkleinerten. Eine einheitliche Vorgehensweise und Verfahrenswahl existiert bis zum heutigen Zeitpunkt nicht. Vergleichende Studien zwischen verschiedenen Verfahren sind rar und die wissenschaftliche Evidenz zur Therapie der Fettleibigkeit ist mager.

Allgemein wird anerkannt, dass die Abklärung im Vorfeld einer Operation interdisziplinär im Team erfolgt und dass die behandelnden Ärzte eine lebenslange Nachsorge der Patienten sicherstellen müssen. Der bariatrisch-chirurgische Eingriff sollte heute primär laparoskopisch durchgeführt werden, da dadurch die Folgen des offenen Zuganges wie Wundinfekt- und Narbenhernienraten massiv gesenkt werden. Die verschiedenen Verfahren beinhalten restriktive, malabsorptive und kombinierte Wirkmechanismen. Rein restriktive Verfahren wie das Magenbanding sind den kombinierten und malabsorptiven Verfahren in Bezug auf den erzielbaren Gewichtsverlust unterlegen. Ebenfalls werden Komorbiditäten wie der Diabetes mellitus und die arterielle Hypertonie durch letztere Methoden wirkungsvoller behandelt. Diese Erkenntnisse sollten daher die Grundlage zur Verfahrenswahl bei der chirurgischen Behandlung der morbiden Adipositas bilden.

Abstract

Bariatric surgery is currently considered the best treatment option for morbid obesity. With the rapid development of laparoscopic techniques, a significant increase in the number bariatric procedures in recent years can be observed. Various surgical techniques to treat morbid obesity have been described, but only few prospective studies compare the different procedures, leading to a lack of evidence for their use. However, from the available literature some general recommendations can be given: (a) preoperative workup in an interdisciplinary team is mandatory, (b) primary bariatric procedures should be performed laparoscopically, and (c) the combination of restrictive and malabsorptive techniques is more efficient than a purely restrictive method, which is also true for the treatment of comorbid diabetes and arterial hypertension. In this paper, we present recent developments in bariatric surgery, with special emphasis on the available evidence for the best treatment of morbidly obese patients.

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  1. Klinik für Viszeral- und Transplantationschirurgie, Universitätsspital Zürich, Schweiz

    M. K. Müller, S. Wildi, P.-A. Clavien &  M. Weber

  2. Klinik für Viszeral- und Transplantationschirurgie, Universitätsspital Zürich, Rämistraße 100, 8091, Zürich, Schweiz

    M. Weber

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  1. M. K. Müller
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  2. S. Wildi
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  3. P.-A. Clavien
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  4. M. Weber
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Correspondence to M. Weber.

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Müller, M.K., Wildi, S., Clavien, PA. et al. Was ist „evidence based“ in der Adipositaschirurgie?. Chirurg 76, 658–667 (2005). https://doi.org/10.1007/s00104-005-1050-x

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