CLINICAL SCIENCE
Results of Descemet Stripping Automated Endothelial
Keratoplasty for the Treatment of Late Corneal
Decompensation Secondary to Obstetrical Forceps Trauma
Vincenzo Scorcia, MD,* Rocco Pietropaolo, MD,* Adriano Carnevali, MD,* Valentina De Luca, MD,*
Andrea Lucisano, MD,* and Massimo Busin, MD*†‡
Purpose: To describe the clinical outcomes of Descemet stripping
automated endothelial keratoplasty (DSAEK) in a series of patients
affected by progressive endothelial cell loss leading to corneal
decompensation with Descemet membrane (DM) breaks caused by
obstetrical forceps trauma.
Methods: Seven amblyopic eyes of 7 patients affected by unilateral
visual loss due to increasing corneal edema were included in the
study. In all eyes, slit-lamp examination revealed typical DM breaks
and diffuse corneal edema: these findings were compatible with
a history of obstetrical forceps-assisted delivery. DSAEK was
performed in all cases (in 3 eyes combined with phacoemulsification
and intraocular lens implantation); visual acuity, refraction, corneal
topography, and endothelial cell density were recorded preopera-
tively and 1 year after surgery.
Results: Visual acuity improved in all cases by at least 2 Snellen
lines; topographic astigmatism lower than 2.5 diopters was associ-
ated with better visual recovery. No intraoperative or postoperative
complications were reported, and the corneas remained clear
throughout the follow-up.
Conclusions: In eyes with endothelial decompensation secondary
to DM breaks caused at birth by forceps injury, DSAEK can be
performed uneventfully and restore cornea clarity. However, visual
recovery is limited by the preexistent amblyopia, usually resulting
from anisometropia and/or high-degree unilateral astigmatism. The
results obtained in our patients suggest that low-degree astigmatism
may be associated with better visual outcomes.
Key Words: forceps injury, endothelial keratoplasty, astigmatism,
corneal decompensation
(Cornea 2016;35:305–307)
D
escemet membrane (DM) breaks caused by obstetrical
forceps injury are often an occasional finding during
ophthalmologic examination; they appear as unilateral verti-
cal or oblique striae on the inner corneal surface.
1
In addition,
because of the effect of forceps compression on the affected
eye, these patients also suffer from unilateral and/or asym-
metric astigmatism of various degrees, which may induce
amblyopia.
2
In some adults, the forceps injury is associated
with progressive endothelial cell loss leading to corneal
decompensation and visual loss. We report herein the out-
comes of Descemet stripping automated endothelial kerato-
plasty (DSAEK) performed in adult patients for the treatment
of corneal decompensation induced by forceps injury.
METHODS
We reviewed the clinical charts of seven adult patients
affected by unilateral corneal decompensation due to obstet-
rical forceps injury, who underwent DSAEK at the Depart-
ment of Ophthalmology of the University “Magna Graecia”
(n = 4) or at the Department of Ophthalmology of Villa Igea
(n = 3) between January 2010 and December 2013. All
patients had had a complicated forceps-assisted delivery and
had been diagnosed with relative amblyopia in the affected
eye, which had not been apparently treated in any case.
Institutional review board approval was obtained from
the University of “Magna Graecia”; the study followed the
tenets of the 1964 Declaration of Helsinki and all patients had
signed a detailed informed consent.
All patients underwent a routine, complete ophthalmo-
logic evaluation including slit-lamp examination (Fig. 1A),
intraocular pressure measurement with a Goldmann tonometer,
uncorrected (UCVA) and best spectacle-corrected visual acuity
(BSCVA) assessment; when corneal opacity did not allow
fundus examination, a B-scan echography was performed.
Anterior segment optical coherence tomography (SS-1000
CASIA, Tomey, Japan) was performed in both affected (Fig.
1B) and not-affected eyes; in particular, the topographic
astigmatism was measured and compared between the 2 eyes
of the same patient to evaluate the level of anisometropia
induced by the forceps injury. In addition, endothelial cell
density was measured using a noncontact specular microscope
(EC-3000; Tomey, Japan).
DSAEK was performed according to a standardized
technique previously described.
3
The affected DM-endothelium
Received for publication August 27, 2015; revision received October 5, 2015;
accepted October 18, 2015. Published online ahead of print December 14,
2015.
From the *Department of Ophthalmology, University of Magna Graecia,
Catanzaro, Italy; †Department of Ophthalmology, Ospedale Privato Villa
Igea, Forlì, Italy; and ‡Istituto internazionale per la Ricerca e Formazione in
Oftalmologia (IRFO), Forlì, Italy.
M. Busin receives travel expense reimbursement and royalties from Moria
(Antony, France). The remaining authors have no funding or conflicts of
interest to disclose.
Reprints: Vincenzo Scorcia, MD, Via dei Crociati 40, 88100 Catanzaro, Italy
(e-mail: vscorcia@libero.it).
Copyright © 2015 Wolters Kluwer Health, Inc. All rights reserved.
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