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Combined procedure lowers IOP better than cataract surgery alone
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Cataract surgery combined with viscocanalostomy can produce lower postoperative IOPs than cataract surgery alone, according to a study involving Japanese glaucoma patients.
Masami Park, MD, PhD, and colleagues at the Sensho-kai Eye institute, Japan, conducted the nonrandomized comparative study, which included 206 eyes followed for 24 months.
The 103 patients treated with combined viscocanalostomy and cataract surgery had significantly lower postoperative IOPs and required significantly fewer medications than the 103 patients treated with cataract surgery alone.
The authors note that patients treated with the combined surgery also had significantly better probabilities for achieving target IOPs at 24 months, both with and without medications.
With medications, patients in the combined surgery group had an 85% probability of achieving 21 mm Hg or less and a 61.1% probability of achieving that target without medication. The probability for achieving a target rate of 18 mm Hg or less was 53.6% with medications and 43.9% without. The probability of achieving a target IOP of 15 mm Hg or less was 17.2% with medications and 16.2% without.
Visual outcomes were similar between the two groups, although the combined group had a greater incidence of nonvision-threatening complications such as hyphema and fibrin formation.
The study was published in the February issue of Journal of Glaucoma.