Bariatric register aims to prove surgery success

Bariatric surgeons are establishing a Trans-Tasman registry to better track the long-term effects of surgery in a bid to confirm the value of weight-loss procedures for the chronically obese.

More than 15,000 "dangerously obese people" undergo bariatric surgery in Australia and New Zealand each year - three times the number five years ago, according to the Obesity Surgery Society of Australia and New Zealand.

President Lilian Kow said a registry could show government that surgery was "legitimate and effective" in treating obese