The Hull Anterior Vitrectomy Simulation System (HAVSS): a validated novel simulation for training in the management of intra-operative vitreous loss |
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| Authors: | Anindita Hom-Choudhury James R. Innes |
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| Affiliation: | 1.Department of Ophthalmology, Leeds Teaching Hospitals NHS Trust, Beckett Street, Leeds, LS9 7TF UK ;2.The Hull Institute of Learning and Simulation, Hull Royal Infirmary, Anlaby Road, Hull, HU3 2JZ UK |
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| Abstract: | ![]()
ObjectivesTo design and validate a feasible simulation to address an identified training gap in the management of intraoperative vitreous loss.MethodsOur simulation consists of a two-part non-toxic mixture that polymerises upon contact within a silicone training eye, to resemble the appearance of vitreous after staining with triamcinolone. This gel can be cut and aspirated with an anterior vitrectomy probe. Experienced consultant ophthalmic surgeons were invited to assess the simulation and anonymously complete validity questionnaires.ResultsSeven senior surgeons participated. Four (57%) strongly agreed and three (43%) agreed that the tissue behaved like vitreous. Six (86%) strongly agreed and one (14%) agreed that instrument handling was realistic. Three (43%) strongly agreed and four (57%) agreed that simulated triamcinolone staining was realistic. Four (57%) strongly agreed and three (43%) agreed that the simulation was visually convincing. Six (86%) strongly agreed and one (14%) agreed that this simulation is useful for training. No participants disagreed with any validity statements.ConclusionsThis novel simulation of anterior vitrectomy has good face and content validity, with unanimous agreement among experienced surgeons of its utility for training in the management of intraoperative vitreous loss.Subject terms: Education, Lens diseases |
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