There are likely to recover or will remain only root ?
It is not unusual that palms lose their leaves all at once. This can happen if they did not had enough water.
Easiest way to check if the plant has a chance of surviving stem consists in successive cuts. It starts at the top and look whether the strain is green. If it finds this may be used to anoint the injured area of the cut with oil -based paint , which seal the place. An important step is to continue watering, so as to be wet soil to a depth of 2-3 cm. Hoping plant that has sufficient resources to regenerate , these procedures are sufficient. Besides these measures may be used to remove the plant from the ground, and to shorten roots.