Table 1 Effect of patent foramen ovale closure on migraine in non-randomized studies in which the closure was performed for other reasons than migraine
From: Comorbid neuropathologies in migraine: an update on cerebrovascular and cardiovascular aspects
Study | Â | Patients reporting cessation (%) | Patients reporting improvement (%) | Patients reporting no effect (%) | |||
|---|---|---|---|---|---|---|---|
| Â | Time to assessment | Migraine with aura | Migraine without aura | Migraine with aura | Migraine without aura | Migraine with aura | Migraine without aura |
Anzola [17] | 1Â year | 34 | 41 | 53 | 47 | 13 | 12 |
Azarbal [19] | 3Â months | 75 | 40 | 5 | 40 | 20 | 20 |
Giardini [20] | 1.7 years | 83 | – | 9 | – | 8 | – |
Post [23] | 6Â months | 75 | 57 | NR | NR | NR | NR |
Reisman [24] | 37Â weeks | 54 | 62 | 14 | 15 | 32 | 23 |
Rigatelli [25] | 11 months | 100 | – | 0 | – | 0 | – |
Schwerzmann [27] | 1Â year | NR | NR | 79 | 90 | 21 | 10 |
Wilmshurst [28] | 17Â months | 44 | 60 | 50 | 0 | 6 | 40 |