Vitreoretinal disease
Conditions
Interventions
Active smoking group (nicotine hyperdependence):NO
Active smoking group (nicotine low dependence):NO
Passive smoking group:NO
Sponsors
The First Affiliated Hospital of Harbin Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 70 Years
Inclusion criteria
Inclusion criteria: Patients who undergo pars plant vitrectomy for the first time and meet the following criteria: 1. Age 18-70 years; 2. Patients with diabetic retinopathy, central or branch retinal vein occlusion, retinal detachment, macular retinopathy, etc., requiring pars plant vitrectomy ; 3. Subject can communicate fluently with doctors.
Exclusion criteria
Exclusion criteria: 1. Subjects have keratitis, anterior chamber inflammation, uveitis, etc.; Patients with a history of orbital malformation and orbital surgery; Patients with ocular trauma need to be excluded due to the increase in orbital pressure after injection of anesthetic, temporary mild protrusion of the eyeball, and the use of peribulbar will increase the loss of ocular content; Corneal degeneration causes corneal thinning or other similar conditions, and peribulbar anesthesia is not suitable for those who are not suitable for corneal degeneration; 2. Subject has serious underlying diseases other than eye diseases, which in the opinion of the investigator may affect the treatment, evaluation or compliance of the patient with the study protocol, including: heart failure, respiratory failure, neurological or psychiatric diseases (including alcohol consumption or drug abuse), hematologic diseases (coagulation dysfunction), immune system diseases (such as AIDS), infectious diseases (such as syphilis), malignant tumors or organ transplantation, etc.; 3. Those who are known to be allergic to local anesthetics; 4. Pregnant and lactating women.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Total anesthetic dose; | — |
Secondary
| Measure | Time frame |
|---|---|
| Onset time of sensory block;Onset time of motor block ;Grade of anesthetic effect; | — |
Countries
China
Contacts
Public ContactXuhui Yu
The First Affiliated Hospital of Harbin Medical University
Outcome results
None listed