Role of non-drainage of subretinal fluid in re-operation for retinal detachment.

Leaver, P K; Chignell, A H; Fison, L; Pyne, J. R.; Saunders, Stuart H

doi:10.1136/bjo.59.5.252

Cited by 11 publications

(6 citation statements)

References 3 publications

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“…We know that scleral buckling surgery combined with subretinal drainage can succeed even without retinopexy (Mahdizadeh et al 2008). The results in the literature are unfortunately heterogenous and need clarification (Editorial 1975;Leaver et al 1975). Our data suggest a potential benefit from subretinal fluid drainage in phakic eyes.…”

Section: Discussionmentioning

confidence: 76%

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Scleral buckling versus primary vitrectomy in rhegmatogenous retinal detachment study (SPR study): Risk assessment of anatomical outcome. SPR study report no. 7

Feltgen

Heimann

Hoerauf

et al. 2012

Acta Ophthalmologica

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Section: Discussionmentioning

confidence: 76%

“…2008). The results in the literature are unfortunately heterogenous and need clarification (Editorial 1975; Leaver et al. 1975).…”

Section: Discussionmentioning

confidence: 99%

Scleral buckling versus primary vitrectomy in rhegmatogenous retinal detachment study (SPR study): Risk assessment of anatomical outcome. SPR study report no. 7

Feltgen

Heimann

Hoerauf

et al. 2012

Acta Ophthalmologica

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“…First is the need (or no need) for sub-retinal fluid drainage. [ 1 2 3 4 5 6 ] Second is the nature of buckling biomaterial for implantation. Largely, silicone elements are preferred because of their biocompatibility and chemical inertness.…”

Section: Introductionmentioning

confidence: 99%

Non-drainage scleral buckling with solid silicone elements

Rishi

Gupta

et al. 2014

Oman J Ophthalmol

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Background:With the increasing number of cataract surgeries, incidence of posterior segment complications including rhegmatogenous retinal detachment (RRD) is likely to rise. Scleral buckling (SB) surgery is an effective and less expensive option. The primary advantage of non-drainage procedure is avoidance of possible complications associated with trans-choroidal drainage. The aim of present study is to describe the clinical profile of subjects undergoing non-drainage SB surgery with solid silicone elements for RRD and analyze their treatment outcomes.Materials and Methods:This was a retrospective, non-randomized, interventional study at a tertiary care center. Three hundred and six eyes of 298 patients undergoing non-drainage SB surgery with solid silicone elements from year 2000 to 2006 were included. Inclusion criteria were primary RRD, peripheral depressible retinal break, media clarity affording peripheral retinal view and proliferative vitreo-retinopathy (PVR) up to grade C2. Uni- and multivariate analyses was done to analyze factors affecting anatomical and visual outcomes. Statistical analysis was performed using SPSS Version 10.Results:Mean follow-up was 303 ± 393.33 days. Primary anatomical success was obtained in 279 (91.2%) eyes; primary functional success in 286 (93.5%) eyes. PVR (grade B or C), intraocular pressure <10 mm Hg and the inability to find a retinal break were significantly associated with final anatomical failure. Baseline vision ≤3/60 was significantly associated with poor visual recovery.Conclusions:SB surgery is reasonably safe and highly efficacious. Solid silicone elements are effective in non-drainage SB surgery. However, case selection is important.

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“…16 Selecting the appropriate patients for non-drainage surgery becomes a much discussed topic. 17 Drainage creates hypotony such that a high indent can be achieved. Without drainage surgery, scleral buckle merely approximates the break to the indent but often does not close the retinal break.…”

Section: Scleral Bucklementioning

confidence: 99%

Intraocular currents, Bernoulli’s principle and non-drainage scleral buckling for rhegmatogenous retinal detachment

Wong

Chan

Bek

et al. 2018

Eye

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For many years, it is not fully understood how non-drainage scleral buckling surgery brings about spontaneous reattachment of the detached retina when retinal breaks remain open at the end of surgery. Various explanations have been put forward, but none more interesting than the effect of fluid currents associated with eye movements. One such explanation involved the physics of the Bernoulli's principle. Daniel Bernoulli was an eighteenth century Swiss mathematician and he described an equation based on the conservation of energy. The sum of pressure energy, potential energy and kinetic energy remains constant. Bernoulli's equation usually applies to closed system such as the flow of fluid through pipes. When fluid flows through a constriction, the speed of fluid increases, the kinetic energy increases. If there was no change in elevation (potential energy), then the increase in kinetic energy must be accompanied by a decrease in pressure energy. In ophthalmic surgery, the Bernoulli's effect is the basis for venturi pumps that drive vitrectomy and phacoemulsification machines. This essay expounds on how Bernoulli's effect might be relevant to scleral buckling for retinal detachment repair. In the era when vitrectomy is increasing the primary surgical operation for retinal detachment, the pervasive advice is to emphasise the importance of patient adopting head posture and remaining still postoperatively. The exception is non-drainage scleral buckling surgery. Early postoperative mobilisation may be vital to achieve reattachment.

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Role of non-drainage of subretinal fluid in re-operation for retinal detachment.

Cited by 11 publications

References 3 publications

Scleral buckling versus primary vitrectomy in rhegmatogenous retinal detachment study (SPR study): Risk assessment of anatomical outcome. SPR study report no. 7

Scleral buckling versus primary vitrectomy in rhegmatogenous retinal detachment study (SPR study): Risk assessment of anatomical outcome. SPR study report no. 7

Non-drainage scleral buckling with solid silicone elements

Intraocular currents, Bernoulli’s principle and non-drainage scleral buckling for rhegmatogenous retinal detachment

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