Systematyczne badania naukowe prowadzą do lepszego zrozumienia mechanizmów redukcji masy ciała oraz poprawy w zakresie kontroli chorób wywołanych otyłością u chorych poddanych leczeniu operacyjnemu z powodu otyłości olbrzymiej. Dotychczasowy podział zabiegów na operacje restrykcyjne oraz wyłączające w myśl aktualnej wiedzy wydaje się nieaktualny. Obecnie mówi się o zabiegach, których głównym celem jest redukcja masy ciała (efekt bariatryczny), oraz takich których głównym celem ma być lepsza kontrola chorób towarzyszących otyłości ze szczególnym uwzględnieniem cukrzycy typu 2 (efekt metaboliczny). 35
4.1. Rodzaje operacji bariatrycznych
Do zabiegów operacyjnych mających dobrze udokumentowany wpływ na redukcję masy ciała oraz efekty metaboliczne należą: 31
Metody chirurgicznego leczenia otyłości, w przypadku których nie ma jeszcze obserwacji długoterminowych, to:
Endoskopowe metody leczenia otyłości:
4.2. Kwalifikacja do poszczególnych zabiegów bariatrycznych
4.3. Zalecenia odnośnie do techniki operacyjnej
4.4. Zalecenia odnośnie do postępowania okołooperacyjnego
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