topical anaesthesia for phacoemulsification surgery
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Summary. We surveyed the current practice of local anaes- thesia for routine ocular surgery by consultant anaesthetists in the Wessex region using a.
topical anaesthesia for phacoemulsification surgery
set against the reduced incidence of anaesthetic-related complications. With the advent of phacoemulsification, cataract surgery using only topical anaesthesia ...
TOPICAL ANAESTHESIA FOR PHACOEMULSIFICATION SURGERY I. G. M. DUGUID, C. M. P. CLAQUE, Y. THAMBY-RAJAH, B. D. S. ALLAN, J. K. G. DART and A. D. MeG. STEELE London
SUMMARY Although phacoemulsification with only topical anaes thesia is possible, the level of any discomfort perceived by
the
patient
is
unknown.
Topical
anaesthesia
eliminates any risk of inadvertent ocular or. orbital injury. Twenty-four patients undergoing phacoemulsifi cation under only topical anaesthesia (g. amethocaine
1%)
were compared with
23
patients undergoing the
(5 ml 75 units
same procedure with peribulbar anaesthesia lignocaine
2%, 5
ml bupivacaine
0.5%
and
hy aluronidase). Perceived pain on administration of the
corneal pocket, with or without a superior rectus suture, typically with a single dose. During our initial experiences with topical anaes thesia for phacoemulsification, it became clear that the patients were usually aware of 'a sensation' during surgery. This was not reported as unaccep tably painful by the patients but warranted further investigation. This study aimed to investigate that level of pain perceived by patients undergoing surgery under topical anaesthesia, in comparison with the peribulbar technique.
anaesthesia, per-operatively and post-operatively was assessed by a nursing officer using a visual analogue scale
(0-10).
It was found that there was no difference
in pain score between the two groups on induction of anaesthesia.
Per-operatively
and
post-operatively
scores were higher in the topical group than in the peribulbar
