Use of viscoelastics post-trabeculectomy: A survey of members of the American Glaucoma Society

Eugene C. Salvo, Maurice H. Luntz, Norman B. Medow

Research output: Contribution to journalArticle

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Abstract

BACKGROUND AND OBJECTIVE: American Glaucoma Society members were surveyed to determine the pattern of use of viscoelastics for anterior chamber reformation at the slit-lamp in the post-operative clinical management of patients who have undergone trabeculectomy in order to give ophthalmologists an indication of how these materials are being used by their colleagues. MATERIALS AND METHODS: We surveyed 196 members of the American Glaucoma Society regarding the following; (1) whether they inject viscoelastic post-operatively at the slit-lamp as an in-office procedure, (2) the type of viscoelastic used most often, (3) the criteria for injection of viscoelastic, (4) the time to first follow-up, (5) the average number of injections, and (6) the occurrence of post-injection endophthalmitis. RESULTS: One hundred twenty-five (64%) of the 196 mailed surveys were answered and returned. Ninety-four (75%) of the respondents reported injecting viscoelastics in the postoperative period at the slit-lamp as an in-office procedure. Healon (60%) (Pharmacia and Upjohn Co, Kalamazoo, MI), Viscoat (17%) (Alcon, Ft. Worth, TX), and Healon GV (7%) (Pharmacia and Upjohn Co, Kalamazoo, MI) were the three most often used viscoelastics. Hypotony, iris-cornea touch, and lens-cornea touch were given as criteria for injection 19%, 47%, and 88% of the time, respectively. Range of time to first follow-up was 1 hour to 7 days, with a mean time of 1 day. Range of average number of injections was 1 to 3 with a mean of 2 injections for patients requiring injection. Only one respondent reported an incidence of endophthalmitis. CONCLUSIONS: The use of viscoelastic materials in the postoperative trabeculectomy patient in the office at the slit-lamp for anterior chamber reformation is a prevalent practice. Healon is the most commonly used viscoelastic postoperatively and lens-corneal touch is the most common criterion for injection. The average number of injections is 2, with a mean and mode follow-up time of 1 day. Endophthalmitis is a rare complication.

Original languageEnglish (US)
Pages (from-to)271-275
Number of pages5
JournalOphthalmic Surgery and Lasers
Volume30
Issue number4
StatePublished - Apr 1999
Externally publishedYes

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Trabeculectomy
Glaucoma
Injections
Endophthalmitis
Touch
Hyaluronic Acid
Anterior Chamber
Cornea
Lenses
Surveys and Questionnaires
Iris
Postoperative Period
Slit Lamp
Incidence

ASJC Scopus subject areas

  • Ophthalmology

Cite this

Use of viscoelastics post-trabeculectomy : A survey of members of the American Glaucoma Society. / Salvo, Eugene C.; Luntz, Maurice H.; Medow, Norman B.

In: Ophthalmic Surgery and Lasers, Vol. 30, No. 4, 04.1999, p. 271-275.

Research output: Contribution to journalArticle

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title = "Use of viscoelastics post-trabeculectomy: A survey of members of the American Glaucoma Society",
abstract = "BACKGROUND AND OBJECTIVE: American Glaucoma Society members were surveyed to determine the pattern of use of viscoelastics for anterior chamber reformation at the slit-lamp in the post-operative clinical management of patients who have undergone trabeculectomy in order to give ophthalmologists an indication of how these materials are being used by their colleagues. MATERIALS AND METHODS: We surveyed 196 members of the American Glaucoma Society regarding the following; (1) whether they inject viscoelastic post-operatively at the slit-lamp as an in-office procedure, (2) the type of viscoelastic used most often, (3) the criteria for injection of viscoelastic, (4) the time to first follow-up, (5) the average number of injections, and (6) the occurrence of post-injection endophthalmitis. RESULTS: One hundred twenty-five (64{\%}) of the 196 mailed surveys were answered and returned. Ninety-four (75{\%}) of the respondents reported injecting viscoelastics in the postoperative period at the slit-lamp as an in-office procedure. Healon (60{\%}) (Pharmacia and Upjohn Co, Kalamazoo, MI), Viscoat (17{\%}) (Alcon, Ft. Worth, TX), and Healon GV (7{\%}) (Pharmacia and Upjohn Co, Kalamazoo, MI) were the three most often used viscoelastics. Hypotony, iris-cornea touch, and lens-cornea touch were given as criteria for injection 19{\%}, 47{\%}, and 88{\%} of the time, respectively. Range of time to first follow-up was 1 hour to 7 days, with a mean time of 1 day. Range of average number of injections was 1 to 3 with a mean of 2 injections for patients requiring injection. Only one respondent reported an incidence of endophthalmitis. CONCLUSIONS: The use of viscoelastic materials in the postoperative trabeculectomy patient in the office at the slit-lamp for anterior chamber reformation is a prevalent practice. Healon is the most commonly used viscoelastic postoperatively and lens-corneal touch is the most common criterion for injection. The average number of injections is 2, with a mean and mode follow-up time of 1 day. Endophthalmitis is a rare complication.",
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AU - Luntz, Maurice H.

AU - Medow, Norman B.

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N2 - BACKGROUND AND OBJECTIVE: American Glaucoma Society members were surveyed to determine the pattern of use of viscoelastics for anterior chamber reformation at the slit-lamp in the post-operative clinical management of patients who have undergone trabeculectomy in order to give ophthalmologists an indication of how these materials are being used by their colleagues. MATERIALS AND METHODS: We surveyed 196 members of the American Glaucoma Society regarding the following; (1) whether they inject viscoelastic post-operatively at the slit-lamp as an in-office procedure, (2) the type of viscoelastic used most often, (3) the criteria for injection of viscoelastic, (4) the time to first follow-up, (5) the average number of injections, and (6) the occurrence of post-injection endophthalmitis. RESULTS: One hundred twenty-five (64%) of the 196 mailed surveys were answered and returned. Ninety-four (75%) of the respondents reported injecting viscoelastics in the postoperative period at the slit-lamp as an in-office procedure. Healon (60%) (Pharmacia and Upjohn Co, Kalamazoo, MI), Viscoat (17%) (Alcon, Ft. Worth, TX), and Healon GV (7%) (Pharmacia and Upjohn Co, Kalamazoo, MI) were the three most often used viscoelastics. Hypotony, iris-cornea touch, and lens-cornea touch were given as criteria for injection 19%, 47%, and 88% of the time, respectively. Range of time to first follow-up was 1 hour to 7 days, with a mean time of 1 day. Range of average number of injections was 1 to 3 with a mean of 2 injections for patients requiring injection. Only one respondent reported an incidence of endophthalmitis. CONCLUSIONS: The use of viscoelastic materials in the postoperative trabeculectomy patient in the office at the slit-lamp for anterior chamber reformation is a prevalent practice. Healon is the most commonly used viscoelastic postoperatively and lens-corneal touch is the most common criterion for injection. The average number of injections is 2, with a mean and mode follow-up time of 1 day. Endophthalmitis is a rare complication.

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