Peribulbar block in adult patients undergoing squint surgery.
Conditions
Interventions
Intervention 1: Control group: Includes 30 patients. Each will receive lidocaine 2% (10 ml) with hyaluronidase (5 IU per ml). Intervention 2: Intervention group 1: Includes 30 patients. Each will rece
Sponsors
Research Institute of Ophthalmology
Eligibility
Sex/Gender
All
Age
30 Years to 70 Years
Inclusion criteria
Inclusion criteria: Squint surgery American Society of Anesthesiologists Physical Status I, II, or III 30 to 70 years-old
Exclusion criteria
Exclusion criteria: American Society of Anesthesiologists Physical Status IV Coagulopathy or use of anticoagulant therapy Infection at the site of the block Posterior staphyloma Allergy to the local anesthetic agent used Bronchial asthma or bradyarrhythmia Uncooperative patient or refusal to participate in the study
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Onset of sensory block. Timepoint: Every 5 seconds after the block till complete loss of sensation. Method of measurement: Clinical assessment using gentle touching of the cornea with cotton swab.;Onset of motor block. Timepoint: Every 5 seconds after the block till complete loss of eye movement. Method of measurement: Clinical assessment using the 3-point score in four directions; where 0=no movement, 1=partial movement, and 2=complete movement (with total of 10).;Duration of the block. Timepoint: Every 10 minutes following the block till full recovery of the movement. Method of measurement: Clinical assessment.;Postoperative pain. Timepoint: Immediately after the surgery, and 1 h, 2 h, 4 h, and 6 h later. Method of measurement: Visual analog scale (from 0 to 10; where 0=no pain and 10=severe pain).;Time to the first analgesic dose. Timepoint: Immediately after the surgery and every 30 minutes. Method of measurement: Clinical assessment. | — |
Secondary
| Measure | Time frame |
|---|---|
| Hemodynamics (heart rate, blood pressure, and oxygen saturation). Timepoint: Baseline, immediately after the block, and every 10 min after the block. Method of measurement: Electronic vital signs monitor.;Patient satisfaction. Timepoint: At the end of the surgery. Method of measurement: Questioning and scoring (1=no pain felt, 2=no comment, 3=moderate discomfort, 4=severe pain).;Surgeon satisfaction. Timepoint: At the end of the surgery. Method of measurement: Questioning and scoring (0=unsuccessful, 1=poor, 2=acceptable, 3=perfect).;Adverse effects, such as pain on injection, allergy to the drugs used, or bronchospasm. Timepoint: Following the block. Method of measurement: Clinical assessment. | — |
Countries
Egypt
Contacts
Public ContactDr. Iman Sobhy
Research Institute of Ophthalmology
Outcome results
None listed