PURPOSE To evaluate the efficacy of porous expanded polytetrafluoroethylene (e-PTFE, Goretex) containing large pores made with a 21-gauge needle as a graft for the correction of lower lid retraction. METHODS e-PTFE grafts were implanted between the tarsus and lower lid retractor via a transconjunctival approach with/without amniotic membrane transplantation, or via a transcutaneous approach. ...

Cases of limb salvage following skeletal trauma involving significant bone loss pose a particular challenge to the reconstructive surgeon. Certain techniques for addressing this complex issue have been advanced in recent years and have met with considerable success. The Masquelet technique involves a staged procedure in which a temporary skeletal stabilization is paired with implantation of an ...

INTRODUCTION Management of the large gap in long bone fractures is a challenging problem after compound injuries. A novel technique called as Masquelet's technique of "induced membrane formation", is used to bridge a gap of more than 5 cm using bone cement as a spacer in first stage and autologous cancellous bone graft to fill the gap in second stage. CASE PRESENTATION We present two differen...

PURPOSE We describe our experience with the Permacol graft in anophthalmic socket reconstruction, and compare it to the autologous buccal mucosal graft, emphasizing the postoperative vascularization and contraction of each graft. METHODS This was a retrospective comparative study. We measured the time necessary for the graft surface to be completely vascularized, as well as the fornix depth o...

STUDY DESIGN This study was designed to determine whether Augment Bone Graft (Augment, Biomimetic Therapeutics, Inc., Franklin, TN) and Augment Injectable Bone Graft (Augment Injectable, Biomimetic Therapeutics, Inc., Franklin, TN), 2 combination devices comprising recombinant human platelet-derived growth factor-BB and β-tricalcium phosphate-containing matrices, promote bone bridging in an ovi...

We have investigated the effect of the insufficient autologous osteochondral graft on healing of the large articular cartilage defect using a rabbit model. An osteochondral defect, 7 mm in diameter, was made on the patellar groove of the femoral condyle and repaired with two surgical procedures: Group I, the osteochondral fragment as half as the defect was grafted. The graft was unstable and th...

A nterior cervical discectomy and fusion (ACDF) has been performed with various techniques and devices for many years. Autologous iliac crest grafts were initially used for the Cloward and Robinson and Smith techniques, but because of iliac crest graft site complications (eg, pain, infection, fracture, dystrophic scarring), the procedure was generally superseded by allograft implants. These imp...

OBJECT The goal of this study was to assess the efficacy of bioabsorbable interbody spacers in cervical spine fusion. METHODS The authors report on a prospective examination of 20 patients with degenerative cervical disc disease who underwent anterior cervical fusion at 28 total levels. The authors used Infuse bone graft (that is, recombinant human bone morphogenetic protein-2 applied to an a...

Biomechanical comparison between rigid and non-rigid posterior stabilization systems following lumbar interbody fusion has been conducted in several studies. However, most of these previous studies mainly focused on investigating biomechanics adjacent spinal segments or spine stability. The objective the present study was to compare biomechanical responses devices when using different instrumen...

"Living" anionic, cationic, metalloporphyrin and ring-opening metathesis polymer­ izations have been used to prepare well-defined side-chain liquid crystalline homopolymers, block and graft copolymers and statistical copolymers. This paper analyzes their successes and failures by reviewing the mechanistic aspects and experimental conditions of each type of polymerization, and identifies other c...