Evaluate ophthalmic artery flow by echo-Doppler before and after peribulbar block with lidocaine in presence or absence of epinephrine.
There are controversies regarding the ophthalmic artery (OA) flow after peribulbar block with the addition of epinephrine. Therefore, we aimed to evaluate OA flow by echo-Doppler before and after peribulbar block with lidocaine in presence or absence of epinephrine. Fifty-six patients that were eligible for cataract phacoemulsification surgery were selected. Patients were divided into two groups: group 1 - Peribulbar block with lidocaine and 1/200.000 epinephrine; group 2 - Peribulbar block with lidocaine in the absence of epinephrine. The resistance index (RI) of OA was evaluated using echo-Doppler before and 10 min after the peribulbar block.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
QUADRUPLE
Enrollment
26
Universidade Federal de Minas Gerais, Faculdade de Medicina, Departamento de Cirurgia.
Belo Horizonte, Minas Gerais, Brazil
Artery resistance index of ophthalmic artery
The resistance index (RI) of OA was evaluated using echo-Doppler before and 10 minutes after the peribulbar block.
Time frame: Change on resistance index 10 minutes after peribulbar anesthesia
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