Influence of Scleral Buckling Surgery with Encircling Band on Subfoveal Choroidal Thickness in Long-Term Observations

Abstract

Purpose. The aim of this study is the presentation of subfoveal choroidal thickness with enhanced depth imaging spectral-domain optical coherence tomography (EDI-OCT) several months after scleral buckling with encircling band surgery. Methods. 48 patients who underwent scleral buckling with encircling band surgery for unilateral rhegmatogenous retinal detachment were included in the retrospective observational study. The mean time from scleral buckling surgery to the final EDI-OCT examination was 22±6.7 months. We compare choroidal thickness between operated and fellow eyes. Results. In all patients, the macula was detached before the surgery. The subfoveal choroidal thickness in 48 treated eyes was 260.9±45.8 µm (range 155–383 µm) and in the fellow eyes was 217.5±36.7 µm (range 98–326 µm). The subfoveal choroidal thickness of eyes after scleral buckling surgery in long-term EDI-OCT examination was significantly thicker (P<0.001) than in fellow eyes. Conclusions. The subfoveal choroid in eyes undergoing encircling band surgery was significantly thicker than in fellow eyes. We suspect that this may be the result of reduced choroidal blood flow. It also seems that the width and size of the material used in scleral buckling surgery may affect a change in the choroid circulation and increase subfoveal choroidal thickness.

Choroidal changes observed with enhanced depth imaging optical coherence tomography in patients with mild Graves orbitopathy

“…They claim that tension on the choriocapillaris could be generated by direct pressure on the sclera by enlarged eye muscles. 25 Odrobina et al 9 found that subfoveal choroidal thickness of eyes after scleral buckling surgery using an encircling band, in longterm observation, was significantly thicker. They claim that scleral buckling reduces blood flow and increases hemostasis in choroidal circulation.…”

“…This may cause an elevation in choroidal pressure and may increase the subfoveal choroidal thickness. 9 The compression of the optic nerve by an orbital apex crowding often results with the optic neuropathy in patients with GO. This condition occurs in~5% of the patients with GO.…”

“…These disorders include hyperopia, 1 myopia, 2 central serous chorioretinopathy, 3 polypoidal choroidal vasculopathy, 4 age-related macular degeneration, 5 inflammatory eye diseases, 6 diabetes, 7 glaucoma, 8 and scleral buckling surgery. 9 The enhanced depth imagingoptical coherence tomography (EDI-OCT) method of spectral domain optical coherence tomography (SD OCT) has enabled the quantitive measurement of choroidal thickness or volume, in addition to obtaining crosssectional images of choroid. 10,11 Graves orbitopathy (GO), a disorder of autoimmune activity against orbital fibroblasts and adipocytes, is characterized by edema and inflammation of extraocular muscles and an increase in orbital connective tissue and fat.…”

Evaluation of changes in choroidal thickness after implantable collamer lens surgery in high myopia patients with Graves’ Ophthalmopathy (inactive phase)

“…38 Odrobina et al found that after scleral buckling surgery using an encircling band,in long-term observation, subfoveal CT of eyes was signi cantly thicker. 39 Shinohara et al reported that the choroidal thickness of a patient with carotid cavernous stula (CCF) was increased secondary to the superior orbital vein (SOV) congestion. 40 They suggested that it may cause may lead to increased choroidal pressure and may increase the subfoveal CT.…”

Aderhautdicke nach Buckelchirurgie versus Pars-plana-Vitrektomie bei Makula-off-rhegmatogener Ablatio retinae

“…Hierbei scheinen die Ausdehnung der skleralen Indentation (lokal oder 360°), das verwendete Material und die Breite des zur Indentation verwendeten Materials für die choroidale Zirkulation eine Rolle zu spielen [17,24]. Odribina et al zeigten nach skleraler Indentation bei Macula-off-Ablatio in der späten postoperativen Phase (7-31 Monate) einen signifikanten Unterschied der Aderhautdicke im Sinne einer Verdickung der AH am operierten Auge und diskutieren in diesem Zusammenhang, dass die Cerclage in der choroidalen Zirkulation infolge einer venösen Obstruktion und reduzierten Drainage zu einer anhaltenden vaskulären Stase führen kann [19]. Im vorliegenden Patientenkollektiv zeigte sich in der subfovealen AH-Dicke der Augen mit Maculaoff-Ablatio nach Buckelchirurgie mit Cerclage + Kryopexie + Luft oder SF 6 -Injektion 1 Woche postoperativ im Vergleich zu 1 und 6 Monate postoperativ sowie der nicht operierten gesunden Partneraugen ein statistisch signifikanter Unterschied der AH-Dicke im Sinne einer AH-Verdickung am operierten Auge.…”