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Initial experience with the Pascal photocoagulator: a pilot study of 75 procedures.

C Sanghvi1, R McLauchlan, C Delgado

  • 1Manchester Royal Eye Hospital, Oxford Road, Manchester M13 9WH, UK.

The British Journal of Ophthalmology
|July 1, 2008
PubMed
Summary

The Pascal photocoagulator, with its rapid, short-duration burns, proves safe and effective for various retinal treatments like panretinal photocoagulation (PRP) and macular laser procedures.

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Area of Science:

  • Ophthalmology
  • Retinal Laser Therapy

Background:

  • The Pascal is a semiautomated photocoagulator delivering rapid, pattern-array burns.
  • It utilizes short pulse durations (10-20 ms) for enhanced speed.

Purpose of the Study:

  • To evaluate the early clinical experience and efficacy of the Pascal photocoagulator.
  • To assess its safety and effectiveness in treating various retinal conditions.

Main Methods:

  • Retrospective study of 75 procedures in 60 patients across four groups: panretinal photocoagulation (PRP), focal/modified grid macular laser, macular grid, and retinopexy.
  • Procedures were categorized based on the retinal condition treated.

Main Results:

  • High success rates were observed: 31/34 (PRP), 24/26 (focal/modified grid), 5/7 (macular grid), and 8/8 (retinopexy).

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  • Higher power settings were required with the Pascal compared to conventional lasers for PRP and focal/modified grid treatments (p<0.001).
  • No adverse events were reported, indicating a favorable safety profile.

    • Conclusions:

    • The Pascal photocoagulator is a safe and effective tool for retinal laser therapy.
    • Despite requiring higher power due to shorter pulse durations, it is not associated with adverse effects.
    • Potential advantages include brief exposure times, enhancing treatment efficiency.