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Novel technique for traumatic cyclodialysis repair with phacoemulsification and Cionni's ring implantation.

ABSTRACT: A 17-years-old boy presented with cataract, 360° choroidal effusion and disc oedema secondary to chronic hypotony. Gonioscopy and AS-OCT revealed 2 clock hours of cyclodialysis in the superonasal quadrant. The case was successively managed with phacoemulsification with foldable IOL in the bag and Cionni's ring sutured in the superonasal quadrant. Post surgery, the BCVA improved from counting finger 1 meter to 20/40. IOP returned to normal and there was resolution of choroidal effusion and fundus signs. The case highlights the use of Cionni's ring in management of small cyclodialysis cleft by providing internal compression.

SUBMITTER: Sen A

PROVIDER: S-EPMC6786165 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature

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Novel technique for traumatic cyclodialysis repair with phacoemulsification and Cionni's ring implantation.

Sen Alok A Joshi Rajesh R Kashikar Rashmi R Jain Tanya T

Indian journal of ophthalmology 20191001 10

A 17-years-old boy presented with cataract, 360° choroidal effusion and disc oedema secondary to chronic hypotony. Gonioscopy and AS-OCT revealed 2 clock hours of cyclodialysis in the superonasal quadrant. The case was successively managed with phacoemulsification with foldable IOL in the bag and Cionni's ring sutured in the superonasal quadrant. Post surgery, the BCVA improved from counting finger 1 meter to 20/40. IOP returned to normal and there was resolution of choroidal effusion and fundus ...[more]

PMID: 31546552

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Project description:Experimental testing of annuloplasty ring (AR) effects requires a control group if the AR is implanted conventionally. Our goal was to develop a reversible AR insertion method that allows for beating heart assessment with and without an AR, providing the ability to evaluate the effects of an AR in the same animal (internal control). We tested the feasibility of this technique in an in vivo ovine model using four-dimensional (4-D) radiopaque marker tracking.Before the operation, a rigid AR (Edwards Geoform, Edwards Lifesciences, Irvine, CA, USA) was prepared by stitching the middle parts of eight double-armed sutures evenly spaced through the ring fabric using a Spring Eye needle. The resulting loops were 'locked' with polypropylene sutures. In addition, two drawstring sutures were attached to the AR. Using cardiopulmonary bypass and cardioplegic arrest, 12 adult sheep had 16 radiopaque markers sewn to the mitral annulus. The AR was implanted by stitching the eight sutures equidistantly in a perpendicular direction through the mitral annulus. The sheep were transferred to the catheterisation laboratory and 4-D marker coordinates were obtained using biplane videofluoroscopy (60 Hz) with the AR inserted (Geo-AR). The locking sutures were then released, the AR was pulled up to the atrial roof using the drawstring sutures and another dataset was acquired (control). Maximum and minimum mitral annular areas (MAA(max), MAA(min)) during the cardiac cycle were derived from implanted markers. Data are provided from one representative animal.AR insertion and release were uneventful in all animals. Whereas the mitral annulus was dynamic in the control state (MAA(max): 9.0 cm(2), MAA(min): 7.8 cm(2)), mitral annular dynamics were abolished in the Geo-AR case (MAA(max): 6.2 cm(2), MAA(min): 6.0 cm(2)).This novel releasable AR implantation method is feasible and permits in vivo assessment of AR effects in the same heart. The new technique should facilitate experimental AR testing and promote the development of ARs based on physical criteria.

Dataset Information

Novel technique for traumatic cyclodialysis repair with phacoemulsification and Cionni's ring implantation.

Publications

Novel technique for traumatic cyclodialysis repair with phacoemulsification and Cionni's ring implantation.

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