Dexmedetomidine versus Fentanyl as adjuvants to local anesthetic mixture in peribulbar block for retinal surgery, a randomized prospective study.

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

PACTR

Registry ID

PACTR201611001737111

Enrollment

128

Registered

2016-08-07

Start date

2016-07-02

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Eye Diseases Surgery local anesthetic mixture in peribulbar block for retinal surgery, Anaesthesia

Interventions

GROUP F

GROUP D

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: , ASA I-III, aged 40-80 years old, scheduled for retinal surgery under local anesthesia will be included in the study

Exclusion criteria

Exclusion criteria: 1. Patients age below 40 years and above 80 years. 2. Patients with active ocular infection. 3. Single eyed patients. 4. Patient refuses local anesthetics. 5. Patients known to be allergic to bupivacaine and lidocaine. 6. Patients can not lie flat. 7. Coagulopathy.

Design outcomes

Primary

Measure	Time frame
¿Effectiveness of the block ;sensory block;The duration of sensory block and the duration of motor block ;¿Effectiveness of the block ;sensory block;The duration of sensory block and the duration of motor block ;¿Effectiveness of the block ;sensory block;The duration of sensory block and the duration of motor block ;¿Effectiveness of the block ;sensory block;The duration of sensory block and the duration of motor block	—

Measure

Time frame

¿Effectiveness of the block ;sensory block;The duration of sensory block and the duration of motor block ;¿Effectiveness of the block ;sensory block;The duration of sensory block and the duration of motor block ;¿Effectiveness of the block ;sensory block;The duration of sensory block and the duration of motor block ;¿Effectiveness of the block ;sensory block;The duration of sensory block and the duration of motor block

—

Secondary

Measure	Time frame
¿ Sedation levels will be assessed by Ramsay Sedation Score;¿ Sedation levels will be assessed by Ramsay Sedation Score;¿ Heart rate, mean arterial blood pressure and sp02;¿ Visual analogue scale will be used to assess the patients¿ level of pain ;The total paracetamol consumption (mg) and the number of patients (%) requiring naluphin as rescue analgesia medication, the time of first request for analgesic will be recorded.;¿ Sedation levels will be assessed by Ramsay Sedation Score;¿ Heart rate, mean arterial blood pressure and sp02;¿ Visual analogue scale will be used to assess the patients¿ level of pain ;The total paracetamol consumption (mg) and the number of patients (%) requiring naluphin as rescue analgesia medication, the time of first request for analgesic will be recorded.	—

Measure

Time frame

¿ Sedation levels will be assessed by Ramsay Sedation Score;¿ Sedation levels will be assessed by Ramsay Sedation Score;¿ Heart rate, mean arterial blood pressure and sp02;¿ Visual analogue scale will be used to assess the patients¿ level of pain ;The total paracetamol consumption (mg) and the number of patients (%) requiring naluphin as rescue analgesia medication, the time of first request for analgesic will be recorded.;¿ Sedation levels will be assessed by Ramsay Sedation Score;¿ Heart rate, mean arterial blood pressure and sp02;¿ Visual analogue scale will be used to assess the patients¿ level of pain ;The total paracetamol consumption (mg) and the number of patients (%) requiring naluphin as rescue analgesia medication, the time of first request for analgesic will be recorded.

—

Countries

Egypt

Contacts

Public Contacthesham marouf

heshammarouf@hotmail.com00201274366808

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Aug 9, 2026