Flap reproducibility and complication rate using the Bausch & Lomb Hansatome, the Moria Microtech CB, and the Alcon SKBM microkeratomes

Danielle Miranda, Mark Iacobucci, Ronald R Krueger

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Purpose: To compare the incidence of flap complications and the reproducibility of flap thickness after laser in situ keratomileusis (LASIK) surgery using three different microkeratomes: the 180 head Chiron Hansatome (Bausch & Lomb) [Hansatome], the 160 head Carriazo-Barraquer (Moria/Microtech) [Moria CB], and the 160 head SKBM (Alcon) [SKBM]. Methods: A total of 418 consecutive patients (813 eyes) underwent LASIK surgery performed by one surgeon. Following surgery, the patients were reviewed for the flap complications. A subset of 193 eyes were evaluated by measuring flap thickness via subtractive pachymetry. Results: Epithelial defect was the most common complication and occurred in 36/813 eyes (4%). The risk of epithelial defect was statistically significantly higher following LASIK using the Hansatome microkeratome (p<0.001), and when compared with the other two microkeratomes, was positively correlated with older age (p<0.002), thicker preoperative cornea (p<0.005), and diffuse lamellar keratitis (p<0.005). Flaps created using the SKBM microkeratome had the most reproducible flap thickness. Conclusion: Flap thickness predictability is important in minimizing flap-related complications. Greatest predictability of flap thickness was seen with the SKBM microkeratome, which involved the use of a second motor for advancement. Flap complications occurred infrequently with all microkeratomes. The most common complication was an epithelial defect, which occurred more frequently with the Hansatome microkeratome.

Original languageEnglish (US)
Pages (from-to)96-99
Number of pages4
JournalOphthalmic Practice
Volume20
Issue number3
StatePublished - Jan 1 2002

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Laser In Situ Keratomileusis
Head
Keratitis
Cornea
Incidence

ASJC Scopus subject areas

  • Ophthalmology

Cite this

Flap reproducibility and complication rate using the Bausch & Lomb Hansatome, the Moria Microtech CB, and the Alcon SKBM microkeratomes. / Miranda, Danielle; Iacobucci, Mark; Krueger, Ronald R.

In: Ophthalmic Practice, Vol. 20, No. 3, 01.01.2002, p. 96-99.

Research output: Contribution to journalArticle

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N2 - Purpose: To compare the incidence of flap complications and the reproducibility of flap thickness after laser in situ keratomileusis (LASIK) surgery using three different microkeratomes: the 180 head Chiron Hansatome (Bausch & Lomb) [Hansatome], the 160 head Carriazo-Barraquer (Moria/Microtech) [Moria CB], and the 160 head SKBM (Alcon) [SKBM]. Methods: A total of 418 consecutive patients (813 eyes) underwent LASIK surgery performed by one surgeon. Following surgery, the patients were reviewed for the flap complications. A subset of 193 eyes were evaluated by measuring flap thickness via subtractive pachymetry. Results: Epithelial defect was the most common complication and occurred in 36/813 eyes (4%). The risk of epithelial defect was statistically significantly higher following LASIK using the Hansatome microkeratome (p<0.001), and when compared with the other two microkeratomes, was positively correlated with older age (p<0.002), thicker preoperative cornea (p<0.005), and diffuse lamellar keratitis (p<0.005). Flaps created using the SKBM microkeratome had the most reproducible flap thickness. Conclusion: Flap thickness predictability is important in minimizing flap-related complications. Greatest predictability of flap thickness was seen with the SKBM microkeratome, which involved the use of a second motor for advancement. Flap complications occurred infrequently with all microkeratomes. The most common complication was an epithelial defect, which occurred more frequently with the Hansatome microkeratome.

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