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DOI: 10.1055/s-0029-1224641
© Georg Thieme Verlag Stuttgart ˙ New York
Intragastrischer Ballon zur Gewichtsreduktion: Ergebnisse bei 100 Patienten nach 2,5 Jahren
Intragastric Balloon for Weight Loss: Results in 100 Individuals Followed for at least 2.5 YearsPublication History
Publication Date:
30 October 2009 (online)
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Zusammenfassung
Hintergrund und Studienziele: Bestimmung des Langzeiteffekts einer 6-monatigen Behandlung mit einem intragastrischen Ballon ohne strukturierte Gewichtsstabilisierungsprogramm nach der Ballonentfernung. Patienten und Methoden: Auf 100 fortlaufende übergewichtige / fettsüchtige Individuen (mittlerer Body-Mass-Index [BMI] 35,0 ± 5,6 kg / m2) wurden nach der endoskopischen Implantation eines mit Kochsalzlösung gefüllten intragastrischen Ballons prospektiv nachbeobachtet; ein vollständiges Follow-up erfolgte bei 97 Patienten mit einer mittleren Beobachtungsdauer von 4,8 ± 1,6 Jahren. Als erfolgreiche intragastrische Ballontherapie wurde definiert ein Gewichtsverlust nach 6 Monaten von ≥ 10 % des Ausgangsgewichts, das ≥ 10 % 2,5 Jahre stabil blieb, ohne bariatrische Chirurgie. Alle Analysen folgten nach „Intention-to Treat“-Prinzip. Ergebnisse: Nach 6 Monaten betrug der mittlere Gewichtsverlust 12,6 ± 8,3 kg. 63 Individuen wiesen eine Gewichtsreduktion von ≥ 10 % des Ausgangsgewichts ohne Nachweis einer schweren Morbidität auf. Nach der Entfernung des intragastralen Ballons stieg der Body-Mass-Index im 1. Jahr auf 4,2 ± 6,8 und im 2. Jahr auf 2,3 ± 6,0 kg (p < 0,001 für beide Jahresvergleiche). Nach 2,5 Jahren war die intragastrische Ballontherapie bei 24 Teilnehmern erfolgreich. Zum Abschluss nach 4,8 ± 1,6 Jahren hatten 28 Patienten eine Gewichtsreduktion von ≥ 10 % des Ausgangsgewichts, 35 hatten sich einer bariatrischen Operation unterzogen (60 % hatten ein über dem Ausgangsgewicht liegendes Gewicht), bei 3 fehlen Follow-up-Daten. Die verbleibenden 34 wiesen eine Reduktion von 1,5 ± 5,8 kg im Vergleich zum Ausgangsgewicht auf. Während der Nachbeobachtung erhielten 13 eine 2. intragastrische Ballonimplantation und 13 nahmen für kurze Zeit Sibutramin ein. Schlussfolgerung: Die intragastrische Ballontherapie wurde relativ gut toleriert, mit einer über 2,5 Jahre anhaltenden Gewichtsreduktion bei einem Viertel der Teilnehmer. Sie ist eine valide Option zur Gewichtsreduktion.
Abstract
Background and study aims: To determine long-term outcome after treatment with an intragastric balloon for 6 months, with no structured weight maintenance program offered after balloon removal. Patients and methods: 100 consecutive overweight / obese individuals (mean body mass index [BMI] 35.0 ± 5.6 kg / m2) were prospectively followed after endoscopic implantation of a saline filled intragastric balloon; 97 completed final follow-up at a mean of 4.8 ± 1.6 years. Successful intragastric balloon therapy was defined as weight loss at 6 months of ≥ 10 % of weight at baseline, that remained ≥ 10 % until 2.5 years, without bariatric surgery. All analyses followed intention-to-treat principles. Results: At 6 months, mean weight loss was 12.6 ± 8.3 kg, 63 individuals had ≥ 10 % baseline weight loss; no severe morbidity was detected. During the first and second years following intragastric balloon removal, mean body mass increased by 4.2 ± 6.8 and 2.3 ± 6.0 kg, respectively (P < 0.001 for both year-on-year comparisons). At 2.5 years, intragastric balloon therapy had been successful in 24 participants. At final follow-up (4.8 ± 1.6 years), 28 had ≥ 10 % baseline weight loss, 35 had undergone bariatric surgery (60 % had preoperative mass higher than baseline), and 3 were lost to follow-up; the 34 remaining had lost 1.5 ± 5.8 kg compared with baseline. During follow-up, 13 had a second intragastric balloon implanted and 13 took sibutramine for short periods. Conclusion: Intragastric balloon therapy was relatively innocuous and associated with successful weight loss and maintenance at 2.5 years in a quarter of participants. It represents a valid option for weight loss.
Schlüsselwörter
Fettsucht - Gewichtsreduktion - Magenballontherapie - Erfolgsrate - Komplikationen - Langzeitergebnisse
Key words
obesity - weight reduction - intragastric balloon therapy - success rate - complications - long-term results
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