Former New Zealand all-rounder Chris Cairns said he faces a "long road to recovery" after a spinal stroke that left his legs paralysed following emergency heart surgery last month.

Cairns, 51, initially underwent surgery in Canberra for an aortic dissection before being moved to Sydney for further treatment.

"It's been a big 6 wks. On 4th August I suffered a Type A aortic dissection, a rare but serious condition. I required emergency surgery and from there a range of complications ensued..." Cairns wrote on Twitter on Sunday.

"I ended up suffering a spinal stroke. A long road ahead, but I'm grateful to be here."

Cairns, a former captain of New Zealand's One-Day International (ODI) team, played 215 ODIs and 62 Tests from 1989-2006.

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