Original
Life expectancy I'm sure isn't directly impacted by tarlov, but I'm sure with the amount of pain meds many sufferers are on could affect it.
Biggest impact is on quality of life directly from the cyst.
Aside from the surgery as treatment, it seems that most new studies and "advancements" are mostly still just linking symptoms and improvements of patients. Still seems to be a lot of trying to prove that the condition exists at this stage.