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Long-term efficacy of medical treatments for obesity

Langzeit-Wirkung therapeutischer Verfahren bei Fettsucht

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Summary

Obesity is a chronic, usually life-long condition. Therefore, the success of any treatment should be measured by the long-term weight loss. More patients lose weight than maintain the weight loss after the active phase of therapy has ended.

Conservative approaches like dietary restrictions or behavior modification techniques have been only modestly successful in weight maintenance. Both are, therefore, suitable for patients with milder degrees of obesity. Anorexicants seem to have specific but limited use in the treatment of obesity. Fasting and protein sparing modified fast are indicated for patients with a high degree of obesity, i.e. for those who are at least 30% or 25 kg or more over their ideal body weight. Both these procedures have definite risks. Rapid weight loss is induced by fasting but long-term follow-ups showed gradual regain of weight loss. Combinations of various techniques such as behavior modification, exercise, proper nutritional instruction and protein-sparing modified fast seem to have the best chance for long-term success.

Zusammenfassung

Die Fettsucht ist ein chronischer, meist lebenslanger Zustand. Ein über längere Zeit anhaltender Gewichtsverlust ist deshalb der beste Meßpunkt eines Behandlungserfolgs. Es gibt allerdings mehr Patienten, die abnehmen, als solche, die ihre Gewichtsabnahme noch nach Beendigung der aktiven Behandlungsphase beibehalten.

Konservative Maßnahmen, wie Diät oder Verhaltenstherapie, sind nur mäßig erfolgreich das Gewicht beizubehalten. Sie eignen sich daher nur für wenig übergewichtige Patienten. Anorexika spielen eine spezifische aber begrenzte Rolle bei der Behandlung der Fettsucht. Fasten und „protein-sparing modified fast“ sind indiziert bei Patienten mit hochgradiger Fettsucht, d.h. Patienten, die mindestens 30% bzw. 25 kg mehr als ihr ideales Gewicht wiegen. Beide Methoden sind mit besonderen Risiken verbunden. Fasten führt zwar zu einem schnellen Gewichtsverlust, aber nach einiger Zeit nimmt der Patient allmählich wieder zu. Die Kombination verschiedener Methoden, wie Verhaltenstherapie, physische Aktivität, angemessene Anweisungen über Ernährung und „protein-sparing modified fast“ scheinen die besten Aussichten auf einen anhaltenden Erfolg zu bieten.

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Linet, O.I. Long-term efficacy of medical treatments for obesity. Klin Wochenschr 60, 115–120 (1982). https://doi.org/10.1007/BF01711275

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