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cranial base surgery

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https://www.readbyqxmd.com/read/27903119/the-learning-curve-in-endoscopic-endonasal-resection-of-craniopharyngiomas
#1
Varun R Kshettry, Hyunwoo Do, Khaled Elshazly, Christopher J Farrell, Gurston Nyquist, Marc Rosen, James J Evans
OBJECTIVE There is a paucity of literature regarding the learning curve associated with performing endoscopic endonasal cranial base surgery. The purpose of this study was to determine to what extent a learning curve might exist for endoscopic endonasal resection in cases of craniopharyngiomas. METHODS A retrospective review was performed for all endoscopic endonasal craniopharyngioma resections performed at Thomas Jefferson University from 2005 to 2015. To assess for a learning curve effect, patients were divided into an early cohort (2005-2009, n = 20) and a late cohort (2010-2015, n = 23)...
December 2016: Neurosurgical Focus
https://www.readbyqxmd.com/read/27903113/microscopic-versus-endoscopic-approaches-for-craniopharyngiomas-choosing-the-optimal-surgical-corridor-for-maximizing-extent-of-resection-and-complication-avoidance-using-a-personalized-tailored-approach
#2
James K Liu, Ilesha A Sevak, Peter W Carmel, Jean Anderson Eloy
Resection remains the mainstay of treatment for craniopharyngiomas with the goal of radical resection, if safely possible, to minimize the rate of recurrence. Endoscopic endonasal and microscopic transcranial surgical approaches have both become standard methods for the treatment for craniopharyngiomas. However, the approach selection paradigm for craniopharyngiomas is still a point of discussion. Choosing the optimal surgical approach can play a significant role in maximizing the extent of resection and surgical outcome while minimizing the risks of potential complications...
December 2016: Neurosurgical Focus
https://www.readbyqxmd.com/read/27893158/articular-cartilage-scores-in-cranial-cruciate-ligament-deficient-dogs-with-or-without-bucket-handle-tears-of-the-medial-meniscus
#3
Kathryn Kaufman, Brian S Beale, Howard D Thames, W Brian Saunders
OBJECTIVE: To compare articular cartilage scores in cranial cruciate ligament (CCL)-deficient dogs with or without concurrent bucket handle tears (BHT) of the medial meniscus. STUDY DESIGN: Retrospective case series. ANIMALS: Client-owned dogs treated with arthroscopy and tibial plateau leveling osteotomy or extracapsular repair for complete CCL rupture (290 stifles from 264 dogs). METHODS: Medical records and arthroscopic images were reviewed...
November 28, 2016: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/27892450/orthognathic-surgery-for-the-correction-of-severe-skeletal-class-iii-malocclusion
#4
D Kafle, C Upadhayaya, N Chaurasia, A Agarwal
Skeletal Malocclusions results from the abnormal position of maxilla and mandible in relation with cranial base. These types of malocclusion are commonly treated by orthodontic teeth movement known as camouflage orthodontics. However severe skeletal malocclusions cannot be treated by orthodontics alone. Such cases need surgical intervention to align the position of the jaw along with orthodontic correction. This procedure is commonly known as Orthognathic Surgery. Orthognathic Surgery dates back to early eighteenth century but became popular on mid twentieth century...
January 2016: Kathmandu University Medical Journal (KUMJ)
https://www.readbyqxmd.com/read/27890187/imaging-of-paranasal-sinuses-and-anterior-skull-base-and-relevant-anatomic-variations
#5
REVIEW
Estushi Iida, Yoshimi Anzai
This article reviews the normal anatomy and variants of the anterior skull base and sinonasal cavities that are relevant to endoscopic sinus and skull base surgery. Radiologists should be aware of sinonasal anatomy that can be impediments to surgical access and increase risk of vascular or cranial nerve injury during surgery. Imaging features of the paranasal sinuses and anterior skull base pathologies are also discussed.
January 2017: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/27890179/expanded-endonasal-endoscopic-approaches-to-the-skull-base-for-the-radiologist
#6
REVIEW
Christopher R Roxbury, Masaru Ishii, Ari Meir Blitz, Douglas D Reh, Gary L Gallia
The cranial base is a complex 3-D region that contains critical neurovascular structures. Pathologies affecting this region represent some of the most challenging lesions to manage due to difficulty with access and risk of significant postoperative morbidity. With the development of expanded endonasal endoscopic approaches, skull base surgeons use the nose and paranasal sinuses as a corridor to access selected ventral skull base lesions. This review discusses high-resolution imaging in the evaluation of patients with skull base lesions considered for endonasal endoscopic surgery, summarizes various expanded endonasal endoscopic approaches, and provides examples of commonly used expanded endonasal endoscopic procedures...
January 2017: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/27883932/biological-response-of-human-suture-mesenchymal-cells-to-titania-nanotube-based-implants-for-advanced-craniosynostosis-therapy
#7
Manpreet Bariana, Prem Dwivedi, Sarbin Ranjitkar, John A Kaidonis, Dusan Losic, Peter J Anderson
Titania nanotubes (TNTs) engineered on titanium (Ti) surfaces (i.e. TNT/Ti) and loaded with specific drugs have been recognised as a promising solution for localised therapeutic delivery to address several medical problems not feasible with conventional drug administration. We propose the use of TNT/Ti protein-releasing implants to treat paediatric craniofacial abnormality in craniosynostosis caused by premature fusion of cranial sutures. In this study, we have analysed the biological response of human suture mesenchymal cells (SMCs), extracted from two different patients undergoing craniofacial reconstruction surgery, at the TNT/Ti implant surface...
November 17, 2016: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/27833887/endoscopic-management-of-congenital-intranasal-meningocele-in-3-month-old-infant
#8
Gaurav Khandelwal, Manoj Sharma, Priyanka Gupta
Fronto-ethmoidal meningocoele is a rare congenital condition with protrusion of meninges through anterior cranial fossa into the facial skeleton, surgical repair should be done in order to resolve nasal obstruction, provide a watertight division between sino-nasal and intra-cranial cavities and minimise injury to any CNS contents (Maddalozzo in Issue Otolaryngol Clin N Am 2015). Open approaches may be required but endoscopic endo-nasal repairs can be done in paediatric skull-base defects. A 3 month-old infant with fronto-ethmoidal meningocele operated with endo-nasal approach...
December 2016: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/27805731/cranioplasty-using-titanium-mesh-after-skull-tumor-resection-in-five-dogs
#9
Desiree D Rosselli, Simon R Platt, Courtenay Freeman, Jeremy O'Neill, Marc Kent, Shannon P Holmes
OBJECTIVE: To describe the clinical details, surgery, postoperative imaging, and short to mid-term outcome after cranioplasty with titanium mesh in dogs with large skull tumors. STUDY DESIGN: Case series. ANIMALS: Client-owned dogs with skull tumors (n=5). METHODS: All tumors were removed via craniectomy and a sheet of titanium mesh was contoured to reconstruct the calvarial defect and sutured to surrounding musculature...
November 2, 2016: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/27804139/outcome-of-tibial-closing-wedge-osteotomy-in-55-cranial-cruciate-ligament-deficient-stifles-of-small-dogs-15-kg
#10
Kathryn A Campbell, John T Payne, Michael T Doornink, Jamie Haggerty
OBJECTIVE: To describe the outcome of cranial closing wedge osteotomy (CWO) of the tibia for treatment of cranial cruciate ligament (CrCL)-deficient stifles in dogs with a body weight of <15 kg. STUDY DESIGN: Retrospective case series. ANIMALS: Forty-five client-owned dogs (n=55 stifles). METHODS: Medical records (2005-2014), radiographs, and owner questionnaire were used to identify the surgical procedure performed, associated complications and outcome in 45 dogs undergoing CWO in 55 stifles...
November 2016: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/27801403/-a-technique-of-tachocomb-application-in-dura-mater-reconstruction-in-surgery-for-posterior-cranial-fossa-tumors
#11
V N Shimansky, V K Poshataev, D A Odamanov, K V Shevchenko
INTRODUCTION: Liquorrhea is a condition characterized by cerebrospinal fluid (CSF) leakage from the cranial cavity due to injury to the integrity of the dura mater (DM) and bone structures of the skull base. Surgery for posterior cranial fossa (PCF) lesions distinguishes wound CSF leakage when CSF leaks from a surgical wound as well as basal CSF leakage (nasal liquorrhea and, less often, otoliquorrhea). The main cause of basal CSF leakage is injury (including surgical injury) resulting in a defect in the DM and bone structures (cells of the mastoid process in the case of a suboccipital retrosigmoid approach)...
2016: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/27778211/resection-of-falx-and-parasagittal-meningioma-complication-avoidance
#12
Stephen T Magill, Philip V Theodosopoulos, Michael W McDermott
Falx and parasagittal meningiomas are common locations for meningiomas of the cranial vault. Many of these tumors are now discovered incidentally during cranial imaging for other reasons. Therefore, in the calculation of the risks and benefits of surgery it behooves the surgeon to do all he/she can to avoid surgical complications. This is a heavily experience based article based off the senior author's experience with over 1200 intracranial meningiomas. We present three cases to illustrate some of the decision-making and techniques used to reduce complications in the management of these cases treated with an open operation...
October 24, 2016: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/27771113/-cerebral-primitive-osteosarcoma-a-radiological-and-histological-atypia
#13
K M H Ahanogbe, K Ibahioin, M Karkouri, M B Dianka, W Akpo, A El Azhari
INTRODUCTION: Osteosarcoma is a malignant mesenchymal tumor including cells that present an osteoblastic differentiation. On the skull, it has often extra-axial development associated with bone reaction. We report an atypical and rare case of intracranial or cerebral osteosarcoma underline the radiological and pathological diagnostic difficulties. CASE REPORT: Our case concerns a primary osteosarcoma without bone involvement in a 10-year old boy who was admitted for intracranial hypertension with progressive worsening and brachial monoparesis...
October 19, 2016: Neuro-Chirurgie
https://www.readbyqxmd.com/read/27767395/endoscopic-endonasal-transclival-resection-of-a-ventral-pontine-cavernous-malformation-technical-case-report
#14
Juan Luis Gómez-Amador, Luis Alberto Ortega-Porcayo, Isaac Jair Palacios-Ortíz, Alexander Perdomo-Pantoja, Felipe Eduardo Nares-López, Alfredo Vega-Alarcón
Brainstem cavernous malformations are challenging due to the critical anatomy and potential surgical risks. Anterolateral, lateral, and dorsal surgical approaches provide limited ventral exposure of the brainstem. The authors present a case of a midline ventral pontine cavernous malformation resected through an endoscopic endonasal transclival approach based on minimal brainstem transection, negligible cranial nerve manipulation, and a straightforward trajectory. Technical and reconstruction technique advances in endoscopic endonasal skull base surgery provide a direct, safe, and effective corridor to the brainstem...
October 21, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27739556/combined-tibial-plateau-levelling-osteotomy-and-tibial-tuberosity-transposition-for-treatment-of-cranial-cruciate-ligament-insufficiency-with-concomitant-medial-patellar-luxation
#15
Katherine C Leonard, Michael P Kowaleski, William B Saunders, Robert J McCarthy, Randy J Boudrieau
OBJECTIVES: To describe the surgical technique and report short-term outcome for combined tibial plateau levelling osteotomy and tibial tuberosity transposition (TPLO-TTT) as an option in the treatment of cranial cruciate ligament insufficiency with concomitant medial patellar luxation. METHODS: Medical records were reviewed (2011-2013) of dogs that underwent a standard tibial plateau levelling osteotomy followed by a tibial tuberosity transposition in the frontal plane and stabilized with pin and tension-band wire fixation as a component of surgical treatment for combined cranial cruciate ligament insufficiency and medial patellar luxation...
October 14, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27731516/transnasal-endoscopically-guided-skull-based-surgery-by-pharyngotomy-for-mass-removal-from-the-sphenopalatine-sinus-in-a-horse
#16
Rolfe M Radcliffe, Yasmine Messiaen, Nita L Irby, Thomas J Divers, Curtis W Dewey, Katharyn J Mitchell, Lauren V Schnabel, Abraham J Bezuidenhout, Peter V Scrivani, Norm G Ducharme
OBJECTIVE: To report a transnasal, endoscopically guided ventral surgical approach for accessing the cranial and caudal segments of the sphenopalatine sinus for mass removal in a horse. STUDY DESIGN: Case report. ANIMAL: Adult horse with acute onset blindness referable to a soft tissue mass within the sphenopalatine sinus. CLINICAL REPORT: A 7-year-old Warmblood gelding presented with a history of running into a fence and falling...
October 12, 2016: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/27729154/enhancing-surgical-outcomes-the-effects-of-speech-therapy-on-a-school-aged-girl-with-moebius-syndrome
#17
Elizabeth Fairgray, Anna Miles
PURPOSE: Moebius Syndrome is a rare congenital neurological condition often characterized by multiple cranial nerve involvement. This case study presents an eight-year old girl with Moebius Syndrome (MC) who received 30 sessions of speech therapy. This occurred after presenting to clinic 11 months after left facial reanimation with gracilis thigh muscle transfer surgery. On examination, only flickers of left facial movement were observed. There was no movement on the right side of the face...
November 2016: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/27716018/less-invasive-lumbopelvic-fixation-technique-using-a-percutaneous-pedicle-screw-system-for-unstable-pelvic-ring-fracture-in-a-patient-with-severe-multiple-traumas
#18
Sei Yano, Yasuchika Aoki, Atsuya Watanabe, Takayuki Nakajima, Makoto Takazawa, Hiroyuki Hirasawa, Kazuhisa Takahashi, Koichi Nakagawa, Arata Nakajima, Hiroshi Takahashi, Sumihisa Orita, Yawara Eguchi, Takane Suzuki, Seiji Ohtori
Pelvic ring fractures are defined as life-threatening injuries that can be treated surgically with external or internal fixation. The authors report on an 81-year-old woman with an unstable pelvic fracture accompanying multiple traumas that was successfully treated with a less invasive procedure. The patient was injured in a traffic accident and sustained a total of 20 fractures, including pelvic ring, bilateral rib, and lumbar transverse processes fractures, and multiple fractures of both upper and lower extremities...
October 7, 2016: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/27714705/predictive-factors-of-bleeding-events-in-adults-undergoing-extracorporeal-membrane-oxygenation
#19
Cécile Aubron, Joris DePuydt, François Belon, Michael Bailey, Matthieu Schmidt, Jayne Sheldrake, Deirdre Murphy, Carlos Scheinkestel, D Jamie Cooper, Gilles Capellier, Vincent Pellegrino, David Pilcher, Zoe McQuilten
BACKGROUND: Bleeding is the most frequent complication associated with extracorporeal membrane oxygenation (ECMO) support in critically ill patients. Nonetheless, risk factors for bleeding have been poorly described especially those associated with coagulation anomalies and anticoagulant therapy during ECMO support. The aim of this study is to describe bleeding complications in critically ill patients undergoing ECMO and to identify risk factors for bleeding events. METHODS: We retrospectively analysed ICU charts of adults who received either veno-venous (VV) or veno-arterial (VA) ECMO support in two participating ICUs between 2010 and 2013...
December 2016: Annals of Intensive Care
https://www.readbyqxmd.com/read/27672280/clinical-management-of-acute-liver-failure-results-of-an-international-multi-center-survey
#20
Liane Rabinowich, Julia Wendon, William Bernal, Oren Shibolet
AIM: To assess the practice of caring for acute liver failure (ALF) patients in varying geographic locations and medical centers. METHODS: Members of the European Acute Liver Failure Consortium completed an 88-item questionnaire detailing management of ALF. Responses from 22 transplantation centers in 11 countries were analyzed, treating between 300 and 500 ALF cases and performing over 100 liver transplants (LT) for ALF annually. The questions pertained to details of the institution and their clinical activity, standards of care, referral and admission, ward- based care versus intensive care unit (ICU) as well as questions regarding liver transplantation - including criteria, limitations, and perceived performance...
September 7, 2016: World Journal of Gastroenterology: WJG
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