The effect of bariatric surgery type on cardiac reverse remodelling by Henry, JA, Abdesselam, I, Deal, O, Lewis, AJ, Rayner, J, Bernard, M, Dutour, A, Gaborit, B, Kober, F, Soghomonian, A, Sgromo, B, Byrne, J, Bege, T, Borlaug, BA, Neubauer, S, Rider, OJ