Table 4.
Complications after first surgery
| Surgical procedure | Number of Complications (%) | Type of deficit |
|---|---|---|
| 1stMVD | 41/93 (44%) | |
| Grade 1a (no treatment and no drugs) |
23t 5p |
11t numbness: |
| 8 mild, 1 moderate, 1 severe, | ||
| 1 hemi numbness (lat. Pontine stroke) | ||
| 4 p numbness: mild | ||
| 4 t hearing: 3 not directly related to surgery | ||
| 1 p hearing: haematoma | ||
| 2 t blurry vision/diplopia: 1 no ocular pathology, 1 SCA injury | ||
| 3 t headache/incision tenderness | ||
| 3 t miscellaneous: | ||
| 1t back pain after lumbar drain: CSF leak repair | ||
| 1t speech/ facial weakness: physio /speech therapy | ||
| 1 fall without trauma | ||
| Grade 1b (treatment with drugs) | 7 | 5 pulmonary/UTI infections: antibiotics |
| 1 wound infection: antibiotics | ||
| 1 aseptic meningitis/leptomeningitis: steroids | ||
|
Grade 2a Invasive treatment without GA (Includes local anaesthesia and ± sedation) |
12 |
10 CSF leaks: lumbar drain only 1 Swallowing difficulty: NG tube |
| 1 bladder catheterisation | ||
| Grade 2b invasive under GA | 7 | 2 CSF leaks: mastoid repack |
| 4 CSF& wound infections: wound revision & lumbar drain | ||
| 1 wound infection: cleaned out mastoid area under GA | ||
| 1st RFT | 16/17 (94%) | |
| Grade 1a (no drugs) |
9t 10p |
6 t numbness: mild |
| 8 p numbness: 4 mild, 4 moderate | ||
| 1 p reduced sensation | ||
| 1t dry eye, earache, pulling sensation in a jaw (in addition to hemi facial numbness) | ||
| 1t difficulty opening closing mouth (Osteoarthritis, muscular pain) | ||
| 1 t headache | ||
| 1 p hearing (not related) | ||
| 1st Glycerol | 13/28 (46%) | |
| Grade 1a (no drugs) |
5t 8p |
3 t numbness: mild |
| 6 p numbness: 2 mild, 3 moderate,1 severe | ||
| 1 t swelling (around injection area) | ||
| 1 t dry mouth, hyperesthesia | ||
| 2 p anaesthesia cornea | ||
| 1st SRS | 3/15 (20%) | |
| Grade 1a (no drugs) |
2p 1t |
2 p numbness: 1 mild, 1 moderate |
| 1 t severe pain |
t Transient, p Permanent
CSF Cerebrospinal fluid leak, SCA Superior cerebellar artery, UTI Urinary tract infection, NG Nasogastric tube, MVD Microvascular decompression, RFT Radiofrequency thermocoagulation, GLYC Glycerol rhizotomy, SRS Stereotactic radiosurgery