Predictors of complete remission of hypertension in patients over 65 years of age after bariatric surgery – a multicenter study - Natalia Dowgiałło-Gornowicz; Paweł Jaworski; Maciej Walędziak; Pawel Lech; Alicja Kucharska; Piotr Major (Videosurgery and Other Miniinvasive Techniques)