Table 4 Complications after first surgery

1^stMVD

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

1^st 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)

1^st 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

1^st SRS

3/15 (20%)

Grade 1a (no drugs)

2p

1t

2 p numbness: 1 mild, 1 moderate

1 t severe pain