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Neck surgery

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https://www.readbyqxmd.com/read/29222837/low-melt-bioactive-glass-reinforced-3d-printing-akermanite-porous-cages-with-highly-improved-mechanical-properties-for-lumbar-spinal-fusion
#1
Xiurong Ke, Lei Zhang, Xianyan Yang, Juncheng Wang, Chen Zhuang, Zhouwen Jin, An Liu, Tengfei Zhao, Sanzhong Xu, Changyou Gao, Zhongru Gou, Guojing Yang
Although great strides have been made in medical technology, low back/neck pain and intervertebral disc degeneration initiated from disc degenerative disease remains a clinical challenge. Within the field of regenerative medicine therapy, we have sought to improve the biomechanical transformation of spinal fusion procedures conducted using biodegradable porous implants. Specifically, we have focused on developing mechanically strong bioceramic cages for spinal fusion and functional recovery. Herein we fabricated the akermanite (AKE) ceramic-based porous cages using low-melting bioactive glass (BG) and 3D printing technology...
December 9, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29221656/z-effect-after-intramedullary-nailing-systems-for-trochanteric-femur-fractures
#2
S J M Smeets, G Kuijt, P V van Eerten
PURPOSE: The aim of this study was to investigate the incidence of Z-effect after dual lag screw intramedullary nailing systems and risk factors contributing to this effect. We hypothesized that long nails provide more neck strength due to a longer lever than short nails and are therefore less likely to develop a misbalance of a higher head compressive strength than neck compressive strength. METHODS: In this retrospective cohort study 103 patients treated operatively with a dual lag screw intramedullary nailing device for (sub)trochanteric hip fracture were included...
September 27, 2017: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/29220729/comparison-of-dynamic-cervical-implant-versus-anterior-cervical-discectomy-and-fusion-for-the-treatment-of-single-level-cervical-degenerative-disc-disease-a-five-year-follow-up
#3
Ce Zhu, Xi Yang, Lei Wang, Bo-Wen Hu, Li-Min Liu, Lin-Nan Wang, Hao Liu, Yue-Ming Song
OBJECTIVE: To compare clinical and radiographic outcomes of dynamic cervical implant(DCI) with anterior cervical discectomy and fusion(ACDF) in the treatment of single-level cervical degenerative disc disease (CDDD) 5 years after surgery. PATIENTS AND METHODS: Forty-three patients with DCI were matched one-to-one with patients with ACDF based on age, gender, and operative segment in this retrospective study. All patients had been followed up for more than 5 years...
December 5, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29219754/shunt-scissors-technical-note
#4
Ralph G Dacey, Oliver E Flouty, M Sean Grady, Matthew A Howard, Marc R Mayberg
OBJECTIVE When performing ventriculoperitoneal shunt surgery it is necessary to create a subgaleal pocket that is of sufficient size to accommodate a shunt valve. In most cases the valve is placed over the posterior skull where the galea begins to transition to suboccipital neck fascia. Dense fibrous attachments in this region of the skull make it technically awkward to develop the subgaleal valve pocket using standard scissors and a blunt dissection technique. In this report the authors describe a new device that enables surgeons to create the shunt valve pocket by using a simple semi-sharp dissection technique...
December 8, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29218804/impact-of-diabetes-on-free-flap-surgery-of-the-head-and-neck-a-nsqip-analysis
#5
Jacob S Brady, Aparna Govindan, Meghan M Crippen, Andrey Filimonov, Jean Anderson Eloy, Soly Baredes, Richard Chan Woo Park
OBJECTIVE: Diabetes is associated with microvascular pathology and may predispose patients undergoing microvascular surgery to complications. This study assesses diabetes as a risk factor for complications following free flap surgery of the head and neck. PATIENTS AND METHODS: In this retrospective cohort study, data on free flap surgeries of the head and neck between 2005 and 2014 was collected from the National Surgical Quality Improvement Program (NSQIP) database...
December 8, 2017: Microsurgery
https://www.readbyqxmd.com/read/29218502/lower-preoperative-hounsfield-unit-values-are-associated-with-intra-operative-fractures-in-cementless-bipolar-hemiarthroplasty
#6
Seung-Ju Kim, Hyun-Soo Park, Dong-Woo Lee, Jong Hun Kim
The use of Hounsfield units (HU) from CT scanning to assess regional BMD has been described. Therefore, we evaluated whether HU could be used to identify osteoporosis of the proximal part of the femur. The results showed that HU assessment is associated with the presence of intra-operative fracture during arthroplasty. INTRODUCTION: The aim with this study was to determine the association of preoperative Hounsfield unit (HU) in hip computed tomography (CT) with intra-operative osteoporotic fracture during cementless hemiarthroplasty...
December 7, 2017: Archives of Osteoporosis
https://www.readbyqxmd.com/read/29218279/non-metastatic-non-melanoma-skin-cancers-our-3-years-of-clinical-experiences
#7
Elif Sari
BACKGROUND: Nonmelanoma skin cancers (NMSC) constitute the largest group of skin cancers. In this study, NMSCs were analyzed retrospectively. METHODS: Between June 2013 and March 2017, demographics and comorbidities of patients underwent reconstructive surgery for NMSC; their risk factors, types, diameters, differentiation, localizations, follow-up times, treatment methods and complications were compared and statistically analyzed. RESULTS: Totally, 163 tumors [111 basal cell carcinoma and 52 cutaneous squamous cell carcinoma (cSCC)] were excized from 148 patients (63 females, 85 males)...
September 2017: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/29217083/hyalinizing-clear-cell-carcinoma-of-salivary-gland-origin-in-the-head-and-neck-clinical-and-histopathological-analysis
#8
X-H Yang, L Liu, Y-Y Shi, Y-J Hu, Q-G Hu, P Zhang
Hyalinizing clear cell carcinoma (HCCC) is an extremely rare neoplasm of salivary gland origin with a low-grade indolent nature. It is difficult to distinguish from other malignant salivary gland tumours. Clinical outcomes following surgery are generally reported as good. The aim of this study was to further determine the features of HCCC. This study was approved by Medical ethics review of affiliated hospital of jiangsu university. Fourteen new cases of HCCC are reported. The clinical and histopathological data of these 14 cases were analysed alongside those of 141 cases identified in a systematic review of the literature (up to 2016)...
December 4, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29217061/venous-malformations-of-the-head-and-neck
#9
REVIEW
Emmanuel Seront, Miikka Vikkula, Laurence M Boon
Venous malformations (VMs) of the head and neck arise from deficits in the development of venous network. Clinically, VMs are highly variable, from small and asymptomatic varicosities to massive cervicofacial lesions. Therapeutic approaches include surgery; laser photocoagulation; sclerotherapy; and, more recently, systemic targeted drugs. This article discusses the natural history, diagnosis, and management of VMs.
February 2018: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/29217055/outcome-measurement-for-vascular-malformations-of-the-head-and-neck
#10
REVIEW
Sophie E R Horbach, Amber P M Rongen, Teresa M O, Milton Waner, Chantal M A M van der Horst
Vascular malformations are congenital anomalies of the vascular and/or lymphatic system that affect the head and neck region. The most common treatment options are sclerotherapy, laser therapy, surgery, and embolization. Because vascular malformations are variable in type, size, extent, and location, it is a challenge to select methods for evaluation of treatment outcome. Without standardized outcome reporting, it is difficult to compare and combine scientific evidence to support therapeutic decision making...
February 2018: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/29216921/ultrasonography-guided-reduction-of-pediatric-radial-neck-fractures
#11
Jung Eun Lee, Jung Bong Kim, Eun Seok Choi
BACKGROUND: Treatment of displaced and angulated radial neck fractures in children is controversial and challenging. Numerous studies have been conducted regarding treatment algorithms and surgical techniques that use fluoroscopy. However, ultrasonography (US)-guided reduction of pediatric radial neck fractures has not been reported yet. We aimed to determine the safety and efficacy of US-guided reduction and fixation of radial neck fractures in children. METHODS: Among 28 cases of radial neck fracture from 2014 to 2016, 12 were classified as type III or IV according to the Judet classification...
December 8, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29216475/long-face-dentofacial-deformities-occlusion-and-facial-esthetic-surgical-outcomes
#12
Jeffrey C Posnick, Samuel Liu, Timothy J Tremont
PURPOSE: The purpose of this study was to document malocclusion and facial dysmorphology in a series of patients with long face (LF) and chronic obstructive nasal breathing before treatment and the outcomes after bimaxillary orthognathic, osseous genioplasty, and intranasal surgery. MATERIALS AND METHODS: A retrospective cohort study of patients with LF undergoing bimaxillary, chin, and intranasal (septoplasty and inferior turbinate reduction) surgery was implemented...
December 4, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29215496/comparing-health-related-quality-of-life-outcomes-in-patients-undergoing-either-primary-or-revision-anterior-cervical-discectomy-and-fusion
#13
Gregory D Schroeder, Barrett S Boody, Christopher K Kepler, Mark F Kurd, Stephen Silva, Kristen Nicholson, Jefferson R Wilson, Barret I Woods, Kris E Radcliff, D Greg Anderson, Alan S Hilibrand, Alexander R Vaccaro, Jeffery A Rihn
STUDY DESIGN: A retrospective review of prospectively collected data. OBJECTIVE: Compare HRQOL outcome metrics in patients undergoing primary and revision ACDF. SUMMARY OF BACKGROUND DATA: Anterior cervical discectomy and fusion (ACDF) is associated with significant improvements in health related quality of life (HRQOL) outcome metrics. However, 2.9% of patients per year will develop symptomatic adjacent segment disease and there is a paucity of literature on HRQOL outcomes following revision ACDF...
December 5, 2017: Spine
https://www.readbyqxmd.com/read/29214641/an-app-to-enhance-resident-education-in-otolaryngology
#14
Wayne D Hsueh, John P Bent, Howard S Moskowitz
OBJECTIVE: Technological change is leading to an evolution in medical education. The objective of our study was to assess the impact of a medical knowledge app, called PulseQD, on resident education within our otolaryngology-head and neck surgery department at Montefiore Medical Center, Albert Einstein College of Medicine (Bronx, NY). METHODS: A prospective cohort study was conducted within the Department of Otolaryngology-Head and Neck Surgery from July 2016 to June 2017...
December 7, 2017: Laryngoscope
https://www.readbyqxmd.com/read/29214640/management-of-head-and-neck-primary-unknown-squamous-cell-carcinoma-using-combined-positron-emission-tomography-computed-tomography-and-transoral-laser-microsurgery
#15
Victoria Kuta, Blair Williams, Matthew Rigby, Robert Hart, Jonathan Trites, Colin MacKay, S Mark Taylor
OBJECTIVES/HYPOTHESIS: The unknown primary of the neck is commonly encountered by the head and neck surgeon. Despite the exhaustive diagnostic tools employed in traditional detection protocols, many unknown primaries are not found, and the patient is subjected to wide-field radiation and chemotherapy during treatment. Localizing the primary tumor has demonstrated therapeutic benefits, improved quality of life, and overall survival. The authors' objective was to determine the efficacy of a new management protocol for unknown primaries of the head and neck...
December 7, 2017: Laryngoscope
https://www.readbyqxmd.com/read/29214434/risk-factors-for-intraoperative-bradycardia-during-ear-nose-throat-and-maxillofacial-surgery
#16
Tjaša Ivošević, Biljana Miličić, Milovan Dimitrijević, Branislava Ivanović, Aleksandar Pavlović, Marina Stojanović, Mirko Lakićević, Ksenija Stevanović, Nevena Kalezić
Intraoperative bradycardia (IOB) is one of the most common cardiac arrhythmias observed in clinical anaesthetic practice. Controlled hypotension, as a strategy of lowering patient's blood pressure during anesthesia has been practiced for decades in head and neck surgery. The aim of our study was to determine the incidence and the risk factors for intraoperative bradycardia in maxillofacial, ear, nose and throat surgery, as well as to determine whether controlled hypotension affects the occurrence of IOB. The retrospective study included 2304 patients who underwent maxillofacial, ear, nose or throat surgery...
December 6, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29212042/facial-nerve-injury-and-other-complications-following-retromandibular-subparotid-approach-for-the-management-of-condylar-fractures
#17
Stéphane Bruneau, Delphine S Courvoisier, Paolo Scolozzi
PURPOSE: To estimate the prevalence and identify risk factors for facial nerve paralysis (FNP) and other postoperative complications after the use of the retromandibular subparotid approach (RMSA) for the treatment of condylar fractures. MATERIALS AND METHODS: Radiologic and clinical data from all patients who underwent an RMSA from 2007 through 2015 at the University Hospital of Geneva (Geneva, Switzerland) were retrospectively reviewed. The primary and secondary outcome variables were, respectively, FNP and other complications (unesthetic scars, infection, nonunion, malocclusion, salivary fistula, Frey syndrome, and loosening or breaking of plates and screws)...
December 3, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29210145/squamous-cell-carcinoma-of-unknown-primary-of-the-head-and-neck-favorable-prognostic-factors-comparable-to-those-in-oropharyngeal-cancer
#18
Margaret J Zhou, Annemieke van Zante, Ann A Lazar, Eli R Groppo, Adam A Garsa, William R Ryan, Ivan H El-Sayed, David W Eisele, Sue S Yom
BACKGROUND: Treatment for squamous cell carcinoma (SCC) of unknown primary consists of radiotherapy (RT) +/- chemotherapy or neck dissection +/- adjuvant RT/chemoradiotherapy (CRT). We compared these strategies and identified prognostic factors. METHODS: From 1993 to 2015, 75 patients with SCC of unknown primary had RT-based or surgery-based treatment. Primary endpoints were overall survival (OS) and disease-free survival (DFS). Event-time distributions were estimated using the Kaplan-Meier method...
December 6, 2017: Head & Neck
https://www.readbyqxmd.com/read/29209690/prosthetic-rehabilitation-involving-the-use-of-implants-following-a-fibula-free-flap-reconstruction-in-the-treatment-of-osteosarcoma-of-the-maxilla-a-case-report
#19
E Brauner, A Quarato, F De Angelis, G Pompa, S Jamshir, V Valentini, S Di Carlo
INTRODUCTION: Osteosarcoma is an aggressive primary bone tumor composed of connective tissue cells directly producing osteoid and bone. Prosthetic rehabilitations in post-oncological patients after bone reconstruction are not substantially different than those of patients affected by severe atrophy of upper or lower jaw after bone reconstruction. The treatment for patients with a malignant neoplasia of the oral cavity requires multidisciplinary approach by a team of different specialists that follow the patient through the phases of diagnosis, therapy and oral rehabilitation...
November 2017: La Clinica Terapeutica
https://www.readbyqxmd.com/read/29208591/the-second-look-procedure-for-transoral-videolaryngoscopic-surgery-for-t1-and-t2-laryngeal-oropharyngeal-and-hypopharyngeal-cancer-patients-protocol-for-a-nonrandomized-clinical-trial
#20
Goshi Nishimura, Daisuke Sano, Kenichiro Yabuki, Yasuhiro Arai, Yoshihiro Chiba, Teruhiko Tanabe, Nobuhiko Oridate
BACKGROUND: Transoral videolaryngoscopic surgery (TOVS) has been widely applied for early T stage head and neck cancer. The resection is performed with a minimum safety margin for function preservation under a limited surgical field of view, making it difficult to be certain of complete resection. OBJECTIVE: Our aim is the evaluation of the completeness of resection by initial TOVS resection, and the possibility of primary control by TOVS alone, allowing for repeat procedures for function preserving treatment in early T stage laryngeal, oropharyngeal, and hypopharyngeal cancer patients...
December 5, 2017: JMIR Research Protocols
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