There are concerns poor planning has contributed to the tsunami of demand on kidney disease treatment. 

Hospitals across New Zealand are struggling to keep up with life-saving dialysis treatment. 

Health New Zealand told 1News there's been a lack of funding in some parts of the country. 

General Practice NZ Chair Bryan Betty told Mike Hosking this problem was predicted 15 years ago, but no one planned ahead. 

He says it's driven primarily by a surge in diabetes, and if it’s not addressed it will undermine the health system going forward. 

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