The Experts below are selected from a list of 2178 Experts worldwide ranked by ideXlab platform

Jae Woo Jang - One of the best experts on this subject based on the ideXlab platform.

  • Loss of refLex tearing after maxillary orthognathic surgery: a report of two cases
    BMC Ophthalmology, 2014
    Co-Authors: Sunah Kang, Sun Young Jang, Areum Lee, Jae Woo Jang
    Abstract:

    Background Few reports have described the ophthalmic complications that occur after maxillary orthognathic surgery. Since cases of decreased refLex tearing after maxillary orthognathic surgery are extremely rare, we describe 2 cases of loss of refLex tearing after maxillary orthognathic surgery. Case presentation Two Asian women, an 18-year-old and a 32-year-old, suffered from unilateral dryness and irritation caused by maxillary orthognathic surgery. In both patients, Schirmer test (II) showed reduced refLex tearing in 1 eye. Computed tomography showed that the pterygoid plate had been fractured in both patients. Conclusions The pterygopalatine ganglion and its associated fibers in the pterygopalatine fossa may be injured during Le Fort Osteotomy.

  • Loss of refLex tearing after maxillary orthognathic surgery: a report of two cases
    BMC ophthalmology, 2014
    Co-Authors: Sunah Kang, Sun Young Jang, Areum Lee, Jae Woo Jang
    Abstract:

    Few reports have described the ophthalmic complications that occur after maxillary orthognathic surgery. Since cases of decreased refLex tearing after maxillary orthognathic surgery are extremely rare, we describe 2 cases of loss of refLex tearing after maxillary orthognathic surgery. Two Asian women, an 18-year-old and a 32-year-old, suffered from unilateral dryness and irritation caused by maxillary orthognathic surgery. In both patients, Schirmer test (II) showed reduced refLex tearing in 1 eye. Computed tomography showed that the pterygoid plate had been fractured in both patients. The pterygopalatine ganglion and its associated fibers in the pterygopalatine fossa may be injured during Le Fort Osteotomy.

Mathieu Vinchon - One of the best experts on this subject based on the ideXlab platform.

  • Fifteen years of experience with the midfacial distraction without maxillary Osteotomy protocol
    Child's Nervous System, 2014
    Co-Authors: Edouard Coeugniet, P. Pellerin, Alexis Wolber, Patrick Dhellemmes, Mathieu Vinchon
    Abstract:

    Purpose Midfacial distraction for facial stenosis is minimizing the communication between cranial fossa and nasal fossa caused by the Le Fort III Osteotomy during frontofacial advancement procedures. There are different types of distractors, such as internal and external devices. The aim of our study is to present a series of 22 consecutive distraction cases operated without any Le Fort Osteotomy with external distraction frames. We compLetely avoid the gap between the skull and nose, thus avoiding related complications. Patients and methods Between 1997 and 2012, we operated on 22 patients presenting syndromes associating midfacial retrusion, maxillomandibular class III malocclusion and upper airway obstruction. Methods We perform a fronto-orbital advancement. We do not perform any maxillary Osteotomy. A vertical cut in the lateral orbital wall is done towards the inferior orbital fissure and another cut on the zygomatic arch. We realise the fixation of the frame posteriorly with a folded K-wire and anteriorly with a transmaxillary pin. Aiming overcorrection, we distract on average 1 mm a day for a mean period of 26 days and with a horizontal distraction vector. Results No deaths or life-threatening complications were reported. All midfacial retrusions were corrected without relapse. The advancement ranged between 6 and 20 mm. Several complications were notified: one sphenopetrous dislocation, one ethmoidonasal dislocation, two device disassemblages and two cases of maxillary sinusitis. Some of these complications caused an incompLete distraction result. Conclusions Compared to other techniques, this method is safe, simpLe and efficient. By sparing major osteotomies, it avoids severe complications.

  • Fifteen years of experience with the midfacial distraction without maxillary Osteotomy protocol
    Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery, 2013
    Co-Authors: Edouard Coeugniet, P. Pellerin, Alexis Wolber, Patrick Dhellemmes, Mathieu Vinchon
    Abstract:

    Purpose Midfacial distraction for facial stenosis is minimizing the communication between cranial fossa and nasal fossa caused by the Le Fort III Osteotomy during frontofacial advancement procedures. There are different types of distractors, such as internal and external devices. The aim of our study is to present a series of 22 consecutive distraction cases operated without any Le Fort Osteotomy with external distraction frames. We compLetely avoid the gap between the skull and nose, thus avoiding related complications.

  • Midfacial distraction without Osteotomy using a transfacial pin and external devices.
    The Journal of craniofacial surgery, 2012
    Co-Authors: Edouard Coeugniet, Alexis Wolber, Patrick Dhellemmes, Mathieu Vinchon, P. Pellerin
    Abstract:

    INTRODUCTION During the 1970s, frontofacial advancement revolutionized the treatment of severe facial stenosis. UnFortunately, this method was associated with significant morbidity due to the Le Fort III Osteotomy, which creates a major communication between the frontocranial dead space and the nasal fossae. Midfacial distraction improves the complication rate by diminishing the size of this gap. The aim of our study was to present an original technique that uses external distraction frames and eliminates the need for Le Fort osteotomies. This innovative technique eliminates the gap between the skull and nose, thus avoiding related complications. PATIENTS AND METHODS Between 1997 and 2008, we operated on 17 patients presenting midfacial retrusion and maxillomandibular class III malocclusion. We performed classic fronto-orbital advancement. The only facial osteotomies are vertical cuts of both the lateral orbital wall and the zygomatic arch. The distraction device is then anchored posteriorly with a K-wire and anteriorly with a transfacial pin through the maxilla. Finally, the distraction is performed horizontally until a class II overcorrection is obtained. RESULTS No life-threatening complications or mortalities occurred. In all cases, the midfacial retrusion was corrected without relapse. All patients with complications fully recovered. It was observed that most complications were a result of either an overly rapid activation (>1 mm/d). DISCUSSION Midface distraction using the external transfacial pin is a simpLe and safe procedure that allows an efficient correction of major facial retrusion. The external transfacial pin acts directly onto the maxilla and allows distraction without Le Fort Osteotomy. By eliminating major osteotomies, it reduces the number of severe complications encountered in craniofacial surgery.

Sunah Kang - One of the best experts on this subject based on the ideXlab platform.

  • Loss of refLex tearing after maxillary orthognathic surgery: a report of two cases
    BMC Ophthalmology, 2014
    Co-Authors: Sunah Kang, Sun Young Jang, Areum Lee, Jae Woo Jang
    Abstract:

    Background Few reports have described the ophthalmic complications that occur after maxillary orthognathic surgery. Since cases of decreased refLex tearing after maxillary orthognathic surgery are extremely rare, we describe 2 cases of loss of refLex tearing after maxillary orthognathic surgery. Case presentation Two Asian women, an 18-year-old and a 32-year-old, suffered from unilateral dryness and irritation caused by maxillary orthognathic surgery. In both patients, Schirmer test (II) showed reduced refLex tearing in 1 eye. Computed tomography showed that the pterygoid plate had been fractured in both patients. Conclusions The pterygopalatine ganglion and its associated fibers in the pterygopalatine fossa may be injured during Le Fort Osteotomy.

  • Loss of refLex tearing after maxillary orthognathic surgery: a report of two cases
    BMC ophthalmology, 2014
    Co-Authors: Sunah Kang, Sun Young Jang, Areum Lee, Jae Woo Jang
    Abstract:

    Few reports have described the ophthalmic complications that occur after maxillary orthognathic surgery. Since cases of decreased refLex tearing after maxillary orthognathic surgery are extremely rare, we describe 2 cases of loss of refLex tearing after maxillary orthognathic surgery. Two Asian women, an 18-year-old and a 32-year-old, suffered from unilateral dryness and irritation caused by maxillary orthognathic surgery. In both patients, Schirmer test (II) showed reduced refLex tearing in 1 eye. Computed tomography showed that the pterygoid plate had been fractured in both patients. The pterygopalatine ganglion and its associated fibers in the pterygopalatine fossa may be injured during Le Fort Osteotomy.

Edouard Coeugniet - One of the best experts on this subject based on the ideXlab platform.

  • Fifteen years of experience with the midfacial distraction without maxillary Osteotomy protocol
    Child's Nervous System, 2014
    Co-Authors: Edouard Coeugniet, P. Pellerin, Alexis Wolber, Patrick Dhellemmes, Mathieu Vinchon
    Abstract:

    Purpose Midfacial distraction for facial stenosis is minimizing the communication between cranial fossa and nasal fossa caused by the Le Fort III Osteotomy during frontofacial advancement procedures. There are different types of distractors, such as internal and external devices. The aim of our study is to present a series of 22 consecutive distraction cases operated without any Le Fort Osteotomy with external distraction frames. We compLetely avoid the gap between the skull and nose, thus avoiding related complications. Patients and methods Between 1997 and 2012, we operated on 22 patients presenting syndromes associating midfacial retrusion, maxillomandibular class III malocclusion and upper airway obstruction. Methods We perform a fronto-orbital advancement. We do not perform any maxillary Osteotomy. A vertical cut in the lateral orbital wall is done towards the inferior orbital fissure and another cut on the zygomatic arch. We realise the fixation of the frame posteriorly with a folded K-wire and anteriorly with a transmaxillary pin. Aiming overcorrection, we distract on average 1 mm a day for a mean period of 26 days and with a horizontal distraction vector. Results No deaths or life-threatening complications were reported. All midfacial retrusions were corrected without relapse. The advancement ranged between 6 and 20 mm. Several complications were notified: one sphenopetrous dislocation, one ethmoidonasal dislocation, two device disassemblages and two cases of maxillary sinusitis. Some of these complications caused an incompLete distraction result. Conclusions Compared to other techniques, this method is safe, simpLe and efficient. By sparing major osteotomies, it avoids severe complications.

  • Fifteen years of experience with the midfacial distraction without maxillary Osteotomy protocol
    Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery, 2013
    Co-Authors: Edouard Coeugniet, P. Pellerin, Alexis Wolber, Patrick Dhellemmes, Mathieu Vinchon
    Abstract:

    Purpose Midfacial distraction for facial stenosis is minimizing the communication between cranial fossa and nasal fossa caused by the Le Fort III Osteotomy during frontofacial advancement procedures. There are different types of distractors, such as internal and external devices. The aim of our study is to present a series of 22 consecutive distraction cases operated without any Le Fort Osteotomy with external distraction frames. We compLetely avoid the gap between the skull and nose, thus avoiding related complications.

  • Midfacial distraction without Osteotomy using a transfacial pin and external devices.
    The Journal of craniofacial surgery, 2012
    Co-Authors: Edouard Coeugniet, Alexis Wolber, Patrick Dhellemmes, Mathieu Vinchon, P. Pellerin
    Abstract:

    INTRODUCTION During the 1970s, frontofacial advancement revolutionized the treatment of severe facial stenosis. UnFortunately, this method was associated with significant morbidity due to the Le Fort III Osteotomy, which creates a major communication between the frontocranial dead space and the nasal fossae. Midfacial distraction improves the complication rate by diminishing the size of this gap. The aim of our study was to present an original technique that uses external distraction frames and eliminates the need for Le Fort osteotomies. This innovative technique eliminates the gap between the skull and nose, thus avoiding related complications. PATIENTS AND METHODS Between 1997 and 2008, we operated on 17 patients presenting midfacial retrusion and maxillomandibular class III malocclusion. We performed classic fronto-orbital advancement. The only facial osteotomies are vertical cuts of both the lateral orbital wall and the zygomatic arch. The distraction device is then anchored posteriorly with a K-wire and anteriorly with a transfacial pin through the maxilla. Finally, the distraction is performed horizontally until a class II overcorrection is obtained. RESULTS No life-threatening complications or mortalities occurred. In all cases, the midfacial retrusion was corrected without relapse. All patients with complications fully recovered. It was observed that most complications were a result of either an overly rapid activation (>1 mm/d). DISCUSSION Midface distraction using the external transfacial pin is a simpLe and safe procedure that allows an efficient correction of major facial retrusion. The external transfacial pin acts directly onto the maxilla and allows distraction without Le Fort Osteotomy. By eliminating major osteotomies, it reduces the number of severe complications encountered in craniofacial surgery.

Areum Lee - One of the best experts on this subject based on the ideXlab platform.

  • Loss of refLex tearing after maxillary orthognathic surgery: a report of two cases
    BMC Ophthalmology, 2014
    Co-Authors: Sunah Kang, Sun Young Jang, Areum Lee, Jae Woo Jang
    Abstract:

    Background Few reports have described the ophthalmic complications that occur after maxillary orthognathic surgery. Since cases of decreased refLex tearing after maxillary orthognathic surgery are extremely rare, we describe 2 cases of loss of refLex tearing after maxillary orthognathic surgery. Case presentation Two Asian women, an 18-year-old and a 32-year-old, suffered from unilateral dryness and irritation caused by maxillary orthognathic surgery. In both patients, Schirmer test (II) showed reduced refLex tearing in 1 eye. Computed tomography showed that the pterygoid plate had been fractured in both patients. Conclusions The pterygopalatine ganglion and its associated fibers in the pterygopalatine fossa may be injured during Le Fort Osteotomy.

  • Loss of refLex tearing after maxillary orthognathic surgery: a report of two cases
    BMC ophthalmology, 2014
    Co-Authors: Sunah Kang, Sun Young Jang, Areum Lee, Jae Woo Jang
    Abstract:

    Few reports have described the ophthalmic complications that occur after maxillary orthognathic surgery. Since cases of decreased refLex tearing after maxillary orthognathic surgery are extremely rare, we describe 2 cases of loss of refLex tearing after maxillary orthognathic surgery. Two Asian women, an 18-year-old and a 32-year-old, suffered from unilateral dryness and irritation caused by maxillary orthognathic surgery. In both patients, Schirmer test (II) showed reduced refLex tearing in 1 eye. Computed tomography showed that the pterygoid plate had been fractured in both patients. The pterygopalatine ganglion and its associated fibers in the pterygopalatine fossa may be injured during Le Fort Osteotomy.