Table 16:
Adverse Effects Reported in Studies of MRgFUS Cerebellothalamic Tractotomy
| Author, Year (n) | Time Point | Paresthesias or numbness, n (%) | Gait or Motor Disturbance, n (%) | Speech Problems, n (%) | Headache, n (%) | Vestibular Issues, n (%) | Other, n (%) |
|---|---|---|---|---|---|---|---|
| Schreglmann et al, 201742 (n = 6) | Postoperativea | – | Gait instability, 1 (17) Clumsiness of treated hand, 1 (17) |
– | – | Tendency to veer to treated side, 1 (17) | – |
| 3 mo | – | Gait instability, 0 Clumsiness of treated hand, 0 |
– | – | Tendency to veer to treated side, 0 | – | |
| Gallay et al, 201639 (n = 21) | Postoperativea | – | Worsening of pre-existing gait instability, 5 (24) | – | – | – | – |
| Last follow-upa,b | – | Worsening of pre-existing gait instability, 1 (5); 0.5/4 points worse than baseline) | – | – | – | – |
Abbreviation: MRgFUS, magnetic resonance-guided focused ultrasound.
Note: The adverse effects described include all those as reported in the published articles.
a
The exact time point was not reported.
b
The last follow-up ranged from 3 months to 1 year after surgery.