April 2009
Volume 50, Issue 13
Free
ARVO Annual Meeting Abstract  |   April 2009
Shallow Anterior Chamber Depth Is Associated With Increased Surgical Complications During Cataract Surgery
Author Affiliations & Notes
  • L. A. Anderson
    Eye department, Queen Alexandra Hospital, Portsmouth, United Kingdom
  • A. Gupta
    Eye department, Queen Alexandra Hospital, Portsmouth, United Kingdom
  • N. Srikantha
    Eye department, Queen Alexandra Hospital, Portsmouth, United Kingdom
  • S. Goverdhan
    Eye department, Queen Alexandra Hospital, Portsmouth, United Kingdom
  • J. Kirwan
    Eye department, Queen Alexandra Hospital, Portsmouth, United Kingdom
  • Footnotes
    Commercial Relationships  L.A. Anderson, None; A. Gupta, None; N. Srikantha, None; S. Goverdhan, None; J. Kirwan, None.
  • Footnotes
    Support  None.
Investigative Ophthalmology & Visual Science April 2009, Vol.50, 5578. doi:
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      L. A. Anderson, A. Gupta, N. Srikantha, S. Goverdhan, J. Kirwan; Shallow Anterior Chamber Depth Is Associated With Increased Surgical Complications During Cataract Surgery. Invest. Ophthalmol. Vis. Sci. 2009;50(13):5578.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose: : To assess if smaller anterior chamber depth (ACD) is a risk factor for intra-operative complications during cataract surgery.

Methods: : Data from an electronic cataract database was analysed for 8891 eyes at the Queen Alexandra Hospital, Portsmouth, UK. All eyes which had a central ACD measured were included in the study. All intra-operative complications and issues (posterior capsule rupture/dialysis, capsulorexis tears, iris prolapse, corneal oedema and descemet tears) were recorded. Complication rates were compared between ≤ 2.5mm and > 2.5mm ACD groups. Chi square (2- tailed with Yates correction) were used to calculate P values and odds ratios (OR) with 95% confidence intervals.

Results: : 1138 eyes were identified as having an ACD ≤ 2.5 mm and 7753 had an ACD >2.5 mm. The overall complication rate was 3.56%. Complications were seen significantly more in the ACD ≤2.5 mm group as compared to the ACD >2.5 mm group, 54(4.75%) versus 263(3.40%) with an odds ratio of 1.42 (P=0.026, 95% CI = 1.05 -1.92). Posterior capsule rupture/zonular dialysis (+/- vitreous loss) was seen in 23 (2.0%) of the eyes with an ACD ≤ 2.5 mm compared to 95 (1.2%) in the > 2.5 mm ACD group (OR= 2.060, P=0.036, 95% CI = 1.64 -2.60) with an over 2 fold risk. A shallow anterior chamber with vitreous bulge was also significantly more common in the ≤ 2.5mm ACD group i.e., 51 (4.48%) versus 93 (1.2%) in the >2.5 mm group (OR= 3.386, P<0.0001, 95%CI = 2.70-5.50).

Conclusions: : Patients with anterior chamber depths ≤ 2.5mm are significantly more at risk of developing complications during cataract surgery. ACD should be considered as a factor in risk stratification preoperatively.

Keywords: anterior chamber • depth • treatment outcomes of cataract surgery 
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