Analysis of the causes of recurrence after frontalis suspension using silicone rods for congenital ptosis
نویسندگان
چکیده
منابع مشابه
Analysis of the causes of recurrence after frontalis suspension using silicone rods for congenital ptosis
BACKGROUND Silicone rod is a commonly used synthetic suspension material in frontalis suspension surgery to correct blepharoptosis. The most challenging problem and a decisive drawback of the use of silicone rod is a considerable rate of ptosis recurrence after surgery. We examined patients with recurred ptosis and assessed the physical and micromorphological properties of implanted silicone ro...
متن کاملCosmetic and functional outcomes of frontalis suspension surgery using autologous fascia lata or silicone rods in pediatric congenital ptosis
PURPOSE Cosmetic and functional outcomes of frontalis suspension surgery using autologous fascia lata (FL) or silicone rods (SRs) in pediatric congenital ptosis. DESIGN Retrospective case series. STUDY SUBJECTS Patients with congenital ptosis, aged 18 years or younger, during the period under study (2005-2011) at the Singapore National Eye Centre. METHODS Review of case records for functi...
متن کاملfrontalis sling operation using silicone rods in comparison to ptose-up for congenital ptosis with poor levator function
purpose : to compare the cosmetic and functional results of frontalis sling procedure using silicone rod with polytetrafluoroethylene (ptose-up) in congenital ptosis with poor levator function (lf) methods : in a prospective randomized study, 90 eyes of 66 patients with congenital ptosis that underwent frontalis suspension surgery [31 patients (18 unilateral, 13 bilateral cases) using a silicon...
متن کاملFrontalis Sling Operation using Silicone Rod Compared with Autogenous Fascia Lata for Simple Congenital Ptosis.
INTRODUCTION To evaluate the cosmetic results and recurrence of unilateral frontalis sling surgery using a silicone rod compared with autogenous fascia lata in cases of simple congenital ptosis. METHODS This is a retrospective comparative study of 59 patients who underwent a frontalis sling operation for congenital ptosis. Patients were divided into two groups according to the sling material ...
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در این پایان نامه نشان داده ایم که چگونه می توان مدل ریسک بیمه ای اسپیرر اندرسون را به کمک زنجیره های مارکوف تعریف کرد. سپس به کمک روش های آنالیز ماتریسی احتمال برشکستگی ، میزان مازاد در هنگام برشکستگی و میزان کسری بودجه در زمان وقوع برشکستگی را محاسبه کرده ایم. هدف ما در این پایان نامه بسیار محاسباتی و کاربردی تر از روش های است که در گذشته برای محاسبه این احتمال ارائه شده است. در ابتدا ما نشا...
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ژورنال
عنوان ژورنال: PLOS ONE
سال: 2017
ISSN: 1932-6203
DOI: 10.1371/journal.pone.0171769