Sub-Tenon’s Block in Patients with Previous Encircling Band Surgery
Author Information
Author(s): Harte Johannes, Ugen Gesar, Berger-Estilita Joana, Ebneter Andreas, Lersch Friedrich
Primary Institution: Bern University Hospital, Inselspital, Switzerland
Hypothesis
Sub-Tenon’s block (STB) could be a safe and effective alternative to general anesthesia (GA) in patients with prior scleral buckling surgery.
Conclusion
The study found that STB is a feasible and safe alternative to GA in patients with prior scleral buckling surgery, with a high success rate and minimal complications.
Supporting Evidence
- STB was successfully administered in 93.5% of cases.
- Chemosis was observed in 24% of patients, with severe cases in only 4%.
- Patient satisfaction scores were high, with a median score of 5 out of 5.
Takeaway
This study shows that a special type of eye anesthesia called sub-Tenon’s block works well for patients who have had previous eye surgery, making it safer than general anesthesia.
Methodology
This was a retrospective cohort analysis of 46 patients who underwent vitreoretinal procedures with STB after previous encircling band surgery.
Potential Biases
Potential biases related to data collection and the lack of control over variables inherent in retrospective studies.
Limitations
The study is limited by its retrospective design, small sample size, and variability in technique due to different clinicians performing the STB.
Participant Demographics
The cohort included 37 males and 9 females, with an average age of 61 years.
Statistical Information
P-Value
<0.001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website