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Ophthalmology. 2014 Jan;121(1):311-7. doi: 10.1016/j.ophtha.2013.06.021. Epub 2013 Jul 18.

Suprachoroidal hemorrhage in pars plana vitrectomy: risk factors and outcomes over 10 years.

Author information

  • 1Vitreoretinal Department, Moorfields Eye Hospital, London, United Kingdom; Research & Development, Moorfields Eye Hospital, London, United Kingdom.
  • 2Research & Development, Moorfields Eye Hospital, London, United Kingdom.
  • 3Vitreoretinal Department, Moorfields Eye Hospital, London, United Kingdom.
  • 4Department of Ophthalmology, Guy's & St. Thomas' Hospitals, London, United Kingdom. Electronic address: tom@retinasurgery.co.uk.

Abstract

PURPOSE:

To investigate the rate and risk factors of developing suprachoroidal hemorrhage (SCH) after pars plana vitrectomy (PPV) and the outcomes as a result.

DESIGN:

Retrospective, comparative consecutive series.

PARTICIPANTS:

A total of 5459 patients who underwent pars plana vitrectomies over 10 years in 3 surgical centers.

METHODS:

All patient demographic, medical, and ophthalmic data and operative information from 3 vitreoretinal centers were entered prospectively into an electronic medical record. Univariate analysis was undertaken, comparing risk factors between cases (SCH) and controls. Multivariable logistic regression was performed to test for independence between the risk factors (P < 0.2 in univariate analysis) and SCH.

MAIN OUTCOME MEASURES:

Risk factors for developing SCH. Visual outcome and development of complications.

RESULTS:

A total of 5459 PPVs were undertaken for a wide range of indications. Fifty-six cases of PPV were complicated by SCH (1.03%). Multivariable logistic regression showed that significant risk factors for developing this included advancing age, (mean age, 69 years in cases and 60 years in controls; odds ratio [OR], 1.04; P = 0.001), male sex (76.8% of cases and 58.7% of controls; OR, 2.38; P = 0.008), presence of rhegmatogenous retinal detachment (RRD) (80.3% of cases and 52.5% of controls; OR, 5.92; P < 0.0001), presence of a dropped lens fragment (10.7% of cases and 4.5% of controls; OR, 6.94; P = 0.002), and the use of antiplatelet or anticoagulant drugs (33.9% of cases and 17.7% of controls; OR, 2.29; P = 0.007). Suprachoroidal hemorrhage was more common with increasing quadrants of RRD. The significant operative risk factor was application of an explant (25% of cases and 4.07% of controls; OR, 5.63; P < 0.0001). Phthisis (7.1% of cases and 0.9% of controls; P = 0.002, Fisher exact test) and glaucoma (14.3% of cases and 7.2% of controls; P = 0.044, chi-square test) were more common in cases than in controls.

CONCLUSIONS:

The risk factors for developing intraoperative SCH during PPV are male sex, advancing age, RRD, a scleral explant, a dropped lens fragment, and the use of aspirin or warfarin. Patients with this complication have a greater risk of developing ocular hypertension requiring treatment and phthisis.

Copyright © 2014 American Academy of Ophthalmology. Published by Elsevier Inc. All rights reserved.

PMID:
23870800
[PubMed - indexed for MEDLINE]
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