All but one of the primary type-Ia endoleaks sealed spontaneously. Until sealing, the risk of rupture persisted, but subsequently only one recurrence of type-Ia endoleak was seen. In selected patients, a conservative approach for primary type-Ia endoleaks may be justified.
S ince its development more than 15 years ago (Melles et al. 2006), Descemet membrane endothelial keratoplasty (DMEK) has become the preferred treatment option for endothelial diseases (Birbal et al. 2020). As more corneal surgeons adopt the technique, DMEK evolves and certain false assumptions regarding the DMEK surgery developed. In this report, we will discuss some of these misconceptions.Misconception: A loose roll is easier than a tight roll
The aim of this study was to report on the occurrence of corneal guttae after Descemet membrane endothelial keratoplasty (DMEK).Methods: In this retrospective case series, 13 eyes of 13 patients who underwent DMEK at 2 tertiary referral centers between 2007 and 2021 (average available follow-up 73 6 52 months, range 18-174 months) and showed corneal guttae during postoperative examinations were included. Eye bank images were retrospectively reviewed.Results: Occurrence of guttae was observed by specular microscopy in 13 eyes. In 11 cases, presence of guttae was confirmed by confocal microscopy and in 1 case by histology. Five eyes showed an increase in guttae density during the postoperative course. Surgery indications were Fuchs endothelial corneal dystrophy (n = 11), pseudophakic bullous keratopathy (n = 1), and DMEK graft failure after allograft rejection (n = 1); the latter eye had shown no signs of guttae after primary DMEK. Two eyes with guttae required a repeat DMEK due to graft failure. At the last available follow-up, all 11 remaining eyes had clear corneas and 10 eyes had a best-corrected visual acuity of $0.9 (decimal). During donor cornea processing in the eye bank, no guttae were observed on the donor tissue. Conclusions:Corneal guttae can occur after DMEK including in eyes operated for indications other than Fuchs endothelial corneal dystrophy and most likely guttae were present on the donor graft but were not detectable by routine slit-lamp and light microscopy evaluation in the eye bank. Postoperative guttae density varies among patients and especially small isolated guttae do not seem to affect clinical outcomes.
In this case series, we report the use of the black Artisan iris-claw intraocular lens (IOL) (Ophtec, The Netherlands) in 6 patients with various visually debilitating symptoms requesting occlusion of one eye. Between 2016 and 2019, 6 (5 female, 1 male) patients underwent implantation of the custom-made black Artisan iris-claw IOL after other management strategies had failed to relieve their symptoms. The black Artisan IOL is an opaque anterior chamber IOL that is fixated to the iris by enclavation. Data were obtained from the electronic patient records (Epic, Verona, WI, USA). All implantation surgeries were uneventful. In terms of outcomes, 4 patients (67%) were satisfied with the result. In 2 patients (33%), the dysphotopic symptoms were not resolved, and these patients opted for either an enucleation or an evisceration. In conclusion, a black Artisan IOL is a valuable and – if needed – reversible option in the management of patients suffering from monocular debilitating visual symptoms leading to disturbances of binocular vision. The clinical presentation leading to the implantation of a pupil-occluding IOL varies and patient satisfaction following implantation is variable. Careful preoperative evaluation of patient factors and expectations, and stepped-care management is recommended to minimize treatment failure. Pupil-occluding lens implantation is often the last step in the treatment of intractable visual complaints in eyes with complex ophthalmologic history, before evisceration or enucleation.
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