Heavy Bupivacaine in Peribulbar Block

Launched by CAIRO UNIVERSITY · Oct 13, 2017

Keywords

ClinConnect Summary

Peribulbar anesthesia is widely practiced now as a safe local block for cataract eye surgeries. However, the limited duration of these blocks was shown to be the main problem encountered intra-operatively. Therefore, additional top-up doses are usually needed to continue the operation. Many kinds of research tried to introduce solutions in order to prolong the duration of the local anesthetics used. Many researchers tried different volumes, doses and adjuvant to local anesthetics, and studied their effects There are many studies that evaluated the effect of baricity of local anesthetic on t...

Gender

ALL

Eligibility criteria

• Inclusion Criteria:
• • Patients with American Society of Anesthesiology (ASA) I or II.
• • 30-80 years old
• • Patients scheduled for elective unilateral posterior segment surgeries.
• Exclusion Criteria:
• • Patient's refusal.
• • orbital deformity
• • axial length( \>28 mm )
• • increased intraocular pressure, or if they were blind in the contralateral eye, international normalized ratio (INR) \> 1.5
• • allergy to local anesthetics, mentally retarded patients