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Ultrasound Cyclo Plasty in Eyes with Glaucoma
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Published on: January 26, 2018

One-site versus two-site endoscopic cyclophotocoagulation.

Malik Y Kahook1, Kira L Lathrop, Robert J Noecker

  • 1UPMC Eye Center, Eye and Ear Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA. Malik.kahook@gmail.com

Journal of Glaucoma
|September 18, 2007
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Endoscopic cyclophotocoagulation (ECP) using two corneal incisions resulted in significantly lower intraocular pressure (IOP) and reduced glaucoma medication use compared to a single incision. This two-site approach offers improved IOP management for glaucoma patients.

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Area of Science:

  • Ophthalmology
  • Glaucoma Management
  • Surgical Techniques

Background:

  • Endoscopic cyclophotocoagulation (ECP) is a surgical procedure used to lower intraocular pressure (IOP) in glaucoma patients.
  • The number of corneal incisions used during combined phacoemulsification and ECP (PE-ECP) may influence treatment outcomes.
  • Optimizing surgical approaches is crucial for effective IOP control and reducing medication dependence in glaucoma.

Purpose of the Study:

  • To compare the efficacy of ECP performed through one versus two corneal incisions in lowering intraocular pressure (IOP).
  • To evaluate the impact of the number of incisions on the need for glaucoma medications post-treatment.

Main Methods:

  • Retrospective analysis of combined PE-ECP cases, divided into two groups: one incision (Group 1) and two incisions (Group 2).
  • Data collected included patient demographics, diagnoses, preoperative and postoperative IOP, and glaucoma medication usage.
  • Statistical analysis using ANOVA and t-tests was performed to compare outcomes between the two groups.

Main Results:

  • Both groups showed a significant decrease in IOP post-treatment, with a more pronounced reduction in the two-incision group (Group 2).
  • At 3 and 6 months post-surgery, IOP was significantly lower in Group 2 compared to Group 1 (P=0.002 and P=0.04, respectively).
  • Glaucoma medication use decreased substantially more in the two-incision group, indicating a greater reduction in medical management needs.

Conclusions:

  • Combined phacoemulsification and endoscopic cyclophotocoagulation (PE-ECP) through two corneal incisions may achieve superior IOP lowering compared to a single incision.
  • The two-site approach appears to reduce patient dependence on glaucoma medications more effectively than the single-site method.
  • This suggests that utilizing two corneal incisions for PE-ECP could be a more advantageous surgical strategy for IOP management.