Does the combination of hypothermic state and medically induced coma (“hibernation”) have a prolonging impact on life expectancy? The lower metabolic rate would

Does the combination of hypothermic state and medically induced coma (“hibernation”) have a prolonging impact on life expectancy? The lower metabolic rate would intuitively suggest that’s a possibility. It’s interesting to think about how this technology, even ahead of use in travel to deep space could be used as a forward only time machine.