Orbital floor reconstruction pdf

Orbital reconstruction for orbit, orbital floor fracture. Objective to evaluate the use of autogenous maxillary bone for the repair of orbital floor defects secondary to blunt facial trauma design retrospective case series of 41 patients with a mean followup of 1. The ultimate goals are the reconstruction of the bony orbital defect with restoration of anatomy, volume, function, and esthetics. In this video kevin dotremont explains how to do an automatic reconstruction of the orbital floor and the maxillary sinus for craniomaxillofacial applications using. The purpose of internal orbit floor reconstruction is the anatomical true to. Pdf orbital floor reconstruction using porcine small intestinal submucosa howard krein academia. Rapid prototype 3dimensional biomodel of an orbit exhibiting orbital floor and medial wall defects. The surgical treatment involved orbital floor reconstruction with a titanium mesh and under general anesthesia. Posttraumatic orbital reconstruction is one of the most fascinating fields in reconstructive craniomaxillofacial surgery. For traumatic defects of the orbital floor, reconstruction using a polyglactin 910pds. Comprehensive solutions for orbital floor repair and reconstruction 2 pages. Computerguided orbital reconstruction to improve outcomes.

Reconstruction of the orbital floor has to respect the course of the infraorbital nerve in the orbital floor. Automated orbital floor and maxillar sinus reconstruction. Original article reconstruction of orbital blowout fractures using medpor titanium mesh implants xiaohui han, shunhai yang, zhizhang dong, wangqiang feng department of ophthalmology, the second affiliated hospital of wenzhou medical university, wenzhou 325000, china. Hardly any other field in craniomaxillofacial surgery has changed so much in terms of diagnostics, biomaterial selection for reconstruction, surgical techniques including approaches and quality control. Materials used for reconstruction after orbital floor fracture. Original article reconstruction of orbital blowout. The occurrence of mydriasis during orbital floor fracture reconstruction may cause significant. Designed from ctscan data, the threedimensional implants closely approximate the topographical anatomy of the human orbital floor and medial wall, to provide accurate reconstruction even after significant twowall fractures. Pdf materials used for reconstruction after orbital. Trigeminocardiac reflex during orbital floor reconstruction. Pdf orbital floor reconstruction using porcine small. This complicated anatomy makes repair and reconstruction of orbital. A study of orbital reconstruction with lyophilized dura on 55 patients demonstrated a oneyear enophthalmos rate of 5. Our case series demonstrates that dynamic changes in orbital floor position can occur after sinus reventilation.

Postoperative computed tomography scans recorded after threedimensional 3d reconstruction were used to evaluate the symmetry of the orbital floor, including orbital floor height, orbital floor eminence, globe projection, orbital volume, and surface. Although orbital reconstruction using implant materials is effective, it is difficult to assess the accuracy during surgery. Automatic reconstruction of the orbital floor and the. A novel use of biomaterial implants for reconstruction of. Reconstruction of orbital floor fractures with maxillary. Cosmetic and reconstructive procedures page 4 of 7 unitedhealthcare oxford clinical policy effective 01012018 19962018, oxford health plans, llc cpt code description 21179 reconstruction, entire or majority of forehead andor supraorbital rims. Pdf the medial wall and floor of the bony orbit are frequently fractured. Additionally, complete reconstruction of the orbital floor is difficult in patients with massive comminution. The other option is to use the preformed orbital plate. Orbital floor fractures are the most common traumatic fractures in the facial skeleton. Blunt trauma to the orbital rim is a frequent cause of orbital floor and medial orbital wall fractures. Pdf we report our experience with the repair of the orbital floor fractures and present new technical findings.

Con anomalies branchial cleft cpt code surgery con anomalies branchial cleft pdf preseptal subtarsal approach for. Synthetic prostheses were tailored to the orbital floor in clinically significant fractures. Case report comparative study of enophthalmos treatment with titanium mesh combined with absorbable implant vs. This is a retrospective study with the aim to evaluate orbital floor reconstruction with autogenous bone and alloplastic materials consisting of medpor, medpor titan, titanium, and resorbable plates. Bone grafts for the orbital floor have long been considered the standard treatment for orbital fracture repair.

Intraoperative navigationassisted surgical orbital floor. A study was undertaken to evaluate the safety of magnetic resonance imaging mri of metallic implants used in cranio orbital reconstruction stainless steel wire and titanium and vitallium plates and also to compare the degree of artifact created on computed tomographic ct. Many specialists encounter and treat orbital fractures. Materials to facilitate orbital reconstruction and soft tissue filling in posttraumatic orbital deformaties lingxiao ye, xiaoming sun, yuguang zhang, ying zhang department of plastic and reconstructive surgery, ninth peoples hospital affiliated to the medical school of shanghai jiao tong university, shanghai 200011, china. Internal orbital fractures in the pediatric age group.

Our aim was to compare the outcomes and complications of resorbable implants and permanent implants in orbital floor fracture repair. Orbital reconstruction is very difficult when the transition areas between the orbital floor and the medial wall is missing. Silent sinus syndrome describes an indolent and chronic disease characterized by atelectasis of the maxillary sinus due to obstruction of the ostium. This retrospective study evaluated the clinical outcome after reconstruction of traumatic orbital floor defects using a polyglactin 910pds implant ethisorb. Add to mymedicalexpo favorites requestbuttons catalog excerpts. Medpor is designed to accept screws and plates without cracking, providing you with more flexibility in fixation options and placement. The goal of surgical repair in orbital floor fractures is twofold. Con anomalies branchial cleft cpt code surgery orbital floor fractures intraoperative imaging changes. Seventy patients with isolated blowout fractures of the orbital floor resulting in defect sizes of up to 2. Orbital floor reconstruction in silent sinus syndrome. Anatomic orbital floor plate, large recommended for orbital floor defects with medial and lateral wall involvement and reconstruction of tumor resections medial wing clears lacrimal duct mshaped cutout designates medial wing anatomic orbital floor plate, small anatomic orbital floor plate, medium anatomic orbital floor plate, large. Nylon foil has provided favourable results in preliminary.

The resultant collapse of the maxillary sinus is associated with inferior bowing of the orbital floor that increases the effective orbital volume. If desired, medpor material may be cut and shaped to fit the patient needs and your preferences. Reconstruction of orbital floor for treatment of a pure blowout fracture. A clinically significant orbital floor defect will be defined as a gap remaining after reduction or elevation of orbital floor fracture fragments that requires a semirigid implant to avoid postoperative enophthalmos or orbital dystopia. Anatomical reconstruction of medial wall and orbital floor. Injuries to the eye socket may result in an orbital fracture that requires reconstruction. Longterm followup of blowout fractures of the orbital. Anatomical reconstruction of medial wall and orbital floor fractures. Objectives 1 to describe repair of complex orbital fractures using computer planning with preoperative.

Biomaterials for reconstruction of the internal orbit dr. A retrospective comparative case series of all orbital floor fracture repair cases 158 eyes from 1983 to 1998 was done. Outcomes of orbital floor reconstruction after extensive maxillectomy using the computerassisted fabricated individual titanium mesh technique q6 wenbo zhang, md,chi mao, md,yxiaojing liu, md,zchuanbin guo, md, phd,x guangyan yu, md, dds,kand xin peng, md, ddspurpose. The principle of this approach requires an appropriate. Whether the orbit reconstruction is indicated, natural and synthetic materials are available. Comprehensive solutions for orbital floor repair and. Incision choice, orbital volume restoration, appropriate orbital floor reconstruction, and permanent or temporary lower eyelid suspension during the primary surgery can all significantly impact the development of long. Under these circumstances, the surgeon may reconstruct the defect using two separate plates, one for the medial wall and one for the orbital floor. Resorbable alloplastic materials are used in many surgical applications. Clinical management and reconstruction of isolated orbital.

Bone grafts were chosen for large defects, comminuted fractures or if other reconstruction eg, sinus was required. Many fractures of the orbit, a common occurrence with facial trauma, never require surgery, which is customarily performed in patients with. Park, md, is a dual boardcertified facial plastic surgeon and ear, nose, and throat otolaryngology specialist who offers orbital floor reconstruction for residents of long island, queens and surrounding communities in new york. Management of orbital complications in palatomaxillary. A technical video illustrating the key steps in orbital repair. The choice of the ideal material for reconstruction of orbital floor and walls remains highly controversial. This script automatically fills in holes in the orbital floor as well as in the maxillar sinuses. Selection of materials for orbital floor reconstruction.

The orbital floor, which forms the roof of the maxillary sinus, slopes. Medpor titanmaxorbital floor and wall the wider titanium mesh and extensions on the medpor titan max orbital floor and wall ofw implant provides the surgeon with an alternative to other repair materials for large orbital floor fractures andor combined fractures of the orbital floor and medial wall. Orbital floor reconstruction long island, ny queens, ny. Orbit reconstruction an overview sciencedirect topics. Current strategies in posttraumatic orbital reconstruction. We evaluated 101 patients with pure blowout fracture or concomitant with zygomatic maxillary fracture. Some implants are available with a barrier surface to prevent tissue ingrowth when necessary.

Introduction the unique and complex anatomy of the orbit, unless prebent plates are used, requires significant contouring of the implants to restore the proper anatomy. We conducted a prospective, controlled, blinded pilot study to demonstrate that repair of induced rabbit orbital floor fractures with surgisis es cook biotech inc, west lafayette, ind provides adequate orbital content support while promoting. Clinical management and reconstruction of isolated orbital floor fractures the 2mmthick coronal ct images of the study population were assessed based on these criteria, and a. Orbital floor reconstruction with pre contoured titanium. Pdf orbital floor fracture reconstruction using conchal. Orbital reconstruction for orbit, combined fracture. Relatively new in orbital floor repair is the use of nylon foil, a nonporous poly amide. Trumatch cmf titanium 3dprinted orbital plates matrixmidface preformed orbital plates synpor porous polyethylene orbital implants depuy synthes part of the family of companies. Therefore, a conventional technique that preoperatively creates orbital reconstruction materials on the basis. The resection of the orbital floor in maxillectomy surgery mandates either orbital exenteration or reconstruction to maintain orbital function.

These findings support the approach of delaying orbital floor reconstruction in cases of silent sinus syndrome treated with sinus reventilation, as such reconstruction may prove unnecessary over time. Many materials, from different sources, have been described for that task. Costochondral graft is a suitable choice when orbital reconstruction is indicated. Autogenous grafts for orbital floor reconstruction. Long term complications of orbital floor fracture repair. This script was created with an older version of mimics i think 18.

Outcomes of orbital floor reconstruction after extensive. Costochondral graft for large orbital defects in floor. Depending on the amount and severity of dislocation around the course of the infraorbital nerve, decompression might be indicated. A novel use of biomaterial implants for reconstruction of orbital floor fracture. Nineteen patients who underwent orbital floor reconstruction with individual titanium mesh were included in this study. Orbital exenteration may be reserved for those tumors that encroach on the intraorbital contents in which more conservative surgery would violate oncologic margins or yield a. Orbital floor symmetry after maxillectomy and orbital.