PFO closure lowers stroke risk for older patients but data comes from observational studies

Many people over 60 have had a stroke with no clear cause. Doctors call this cryptogenic stroke. A new analysis looked at closing a hole in the heart called a PFO versus using blood thinners alone. The goal was to see if closing the hole prevents another stroke. The results show a lower risk of stroke for those who had the closure procedure. They also saw lower risk of death overall for this group. However, the new analysis mostly used data from observational studies. These studies do not always prove cause and effect. They can miss important factors that influence health outcomes. This means the results need more proof from randomized trials before doctors can change standard care. The study also found that older patients face higher risks of new heart rhythm problems and death compared to younger ones. Safety data was not reported in detail. More research is needed to confirm these findings and guide treatment choices for older adults.