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Nerve surgery

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https://www.readbyqxmd.com/read/29054880/common-synaptic-input-to-motor-neurons-and-neural-drive-to-targeted-reinnervated-muscles
#1
D Farina, A M Castronovo, I Vujaklija, A Sturma, S Salminger, C Hofer, O C Aszmann
We compared the behaviour of motor neurons innervating their physiological muscle targets with motor neurons from the same spinal segment whose axons were surgically redirected to remnant muscles (targeted muscle reinnervation). The objective was to assess whether motor neurons with non-physiological innervation receive similar synaptic input and could be voluntary controlled as motor neurons with natural innervation. For this purpose, we acquired high-density EMG signals from the biceps brachii in 5 male trans-humeral amputees who underwent targeted reinnervation of this muscle by the ulnar nerve and from the first dorsal interosseous muscle of 5 healthy individuals to investigate the natural innervation of the ulnar nerve...
October 20, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29052783/anatomical-study-of-the-left-superior-mediastinal-lymphatics-for-tracheal-branches-of-left-recurrent-laryngeal-nerve-preserving-mediastinoscope-assisted-surgery-in-esophageal-cancer
#2
Yutaka Nakajima, Yutaka Tokairin, Yasuaki Nakajima, Kenro Kawada, Kagami Nagai, Kumiko Yamaguchi, Keiichi Akita, Tatsuyuki Kawano
PURPOSE: Curative treatment of esophageal cancer requires meticulous superior mediastinal lymphadenectomy, in addition to esophagectomy, because superior mediastinal lymph node metastases are common in esophageal cancer. When preserving the tracheal branches of the left recurrent laryngeal nerve (RLN), good anatomical understanding is required for confirmation of the positional relationships between the courses of lymphatic vessels, lymph node distribution, and the left RLN and its tracheal branches...
October 20, 2017: Surgery Today
https://www.readbyqxmd.com/read/29052225/peripheral-nerve-block-in-ankle-fracture-surgery-a-qualitative-study-of-patients-experiences
#3
M J Henningsen, R Sort, A M Møller, S F Herling
Peripheral nerve blocks are popular as a mode of anaesthesia for limb surgery and their beneficial effects are well documented in elective surgery. However, concerns have been raised about potential rebound pain outweighing the benefits in acute ankle fracture surgery. Furthermore, pain scores and morphine consumption do not provide a full picture, as pain is subjective. To evaluate the clinical usefulness of peripheral nerve blocks, we explored patients' expectations and experiences by means of semi-structured interviews analysed with systematic text condensation...
October 19, 2017: Anaesthesia
https://www.readbyqxmd.com/read/29051404/complications-after-parotid-gland-surgery-our-experience
#4
Antonio Romano, Antonia Cama, Raffaele Corvino, Pasquale Graziano, Marco Friscia, Giorgio Iaconetta, Luigi Califano
AIM: Complications after parotid surgery include deficit of the facial nerve, wound complications, as sialocele and salivary fistula, and Frey syndrome; the goal of this study was to evaluate the relationship between the type of parotid surgery performed and the incidence of each of these complications. MATERIAL OF STUDY: A total of 184 patients were evaluated and 158 were included in the study. Four different kinds of intervention were made: extracapsular dissection, partial superficial parotidectomy; superficial parotidectomy and total parotidectomy...
2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/29051003/spontaneous-regeneration-of-nerve-fiber-and-irreversibility-of-corporal-smooth-muscle-fibrosis-after-cavernous-nerve-crush-injury-evidence-from-serial-transmission-electron-microscopy-and-intracavernous-pressure
#5
Yi-No Wu, Kuo-Chiang Chen, Chun-Hou Liao, Han-Sun Chiang
OBJECTIVES: To determine the pathophysiological progresses following bilateral cavernous nerve crushing (BCNC) injury, as an index for a treatment point and establishment of adequate treatment strategies for neurogenic erectile dysfunction (ED). METHODS: Thirty-six rats were assigned to 1 of 6 groups, and BCNC or sham surgery was performed. Functional testing and ultrastructural analyses were performed immediately and at 7, 14, 21, and 28 d after the cavernous nerve (CN) injury (n = 6)...
October 16, 2017: Urology
https://www.readbyqxmd.com/read/29050163/-preliminary-outcomes-of-percutaneously-looped-thread-transection-in-the-surgical-treatment-of-stenosing-tenosynovitis
#6
C L Wang, S F Huang, Z Q Wang, Q L Ge, X G Dong
Objective: To investigate the percutaneously looped thread transection for treatment of stenosing tenosynovitis and evaluate its treatment outcome. Methods: From January 2014 to October 2016, Eighty-four patients with stenosing tenosynovitis were randomly divided into the open decompressionand group (42 cases) and percutaneously looped thread transection group (42 cases) in Department of Orthopedics, Affiliated Laiwu Hospital of Taishan Medical College. Incision near the digit horizontal stripes, tendon sheath were cut off in the open decompressionand group...
October 10, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29050101/-factors-of-hearing-preservation-in-acoustic-neuroma-surgery
#7
H Y Tan, Z Y Wang, H Wu
Over the past 50 years, the focus of acoustic neuroma surgery has shifted from low mortality and tumor resection to retention of neurological function. Hearing preservation is another point in addition to facial nerve function preservation. Hearing preservation rates overall ranged from 2% to 93% in recent studies. Characteristics such as approach, pre-operative neurological function, tumor size, nerve of origin and fundal fluid of the internal auditory canal have been reported as possible influencing factors...
October 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/29050094/-relationship-between-work-%C3%A2-type-of-congenital-first-branchial-cleft-anomaly-and-facial-nerve-and-surgical-strategies
#8
B Zhang, L S Chen, S L Huang, L Liang, X X Gong, P N Wu, S Y Zhang, X N Luo, J D Zhan, X L Sheng, Z M Lu
Objective: To investigate the relationship between Work Ⅱ type of congenital first branchial cleft anomaly (CFBCA) and facial nerve and discuss surgical strategies. Methods: Retrospective analysis of 37 patients with CFBCA who were treated from May 2005 to September 2016. Among 37 cases with CFBCA, 12 males and 25 females; 24 in the left and 13 in the right; the age at diagnosis was from 1 to 76 ( years, with a median age of 20, 24 cases with age of 18 years or less and 13 with age more than 18 years; duration of disease ranged from 1 to 10 years (median of 6 years); 4 cases were recurren after fistula resection...
October 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/29050090/-laryngotracheal-resection-and-reconstruction-for-the-treatment-of-acquired-laryngotracheal-stenosis
#9
L J Ma, Y Xiao, Q W Yang, J Wang
Objective: To analyze the efficacy of laryngotracheal resection and reconstruction for acquired laryngotracheal stenosis, and to discuss the prevention of complication. Methods: The clinical outcomes of seventy patients with acquired laryngotracheal stenosis, treated with laryngotracheal resection and reconstruction were retrospectively reviewed between January 2007 and December 2016. The degree of stenosis was classified according to Myer-Cotton classification as follows: grade Ⅱ(n=7), grade Ⅲ(n=38) and grade Ⅳ(n=27)...
October 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/29049147/virtual-reality-model-of-the-three-dimensional-anatomy-of-the-cavernous-sinus-based-on-a-cadaveric-image-and-dissection
#10
Zeng-Hui Qian, Xu Feng, Yang Li, Ke Tang
OBJECTIVE: Studying the three-dimensional (3D) anatomy of the cavernous sinus is essential for treating lesions in this region with skull base surgeries. Cadaver dissection is a conventional method that has insurmountable flaws with regard to understanding spatial anatomy. The authors' research aimed to build an image model of the cavernous sinus region in a virtual reality system to precisely, individually and objectively elucidate the complete and local stereo-anatomy. METHODS: Computed tomography and magnetic resonance imaging scans were performed on 5 adult cadaver heads...
October 18, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29049117/chronic-opioid-use-after-surgery-implications-for-perioperative-management-in-the-face-of-the-opioid-epidemic
#11
Jennifer M Hah, Brian T Bateman, John Ratliff, Catherine Curtin, Eric Sun
Physicians, policymakers, and researchers are increasingly focused on finding ways to decrease opioid use and overdose in the United States both of which have sharply increased over the past decade. While many efforts are focused on the management of chronic pain, the use of opioids in surgical patients presents a particularly challenging problem requiring clinicians to balance 2 competing interests: managing acute pain in the immediate postoperative period and minimizing the risks of persistent opioid use after the surgery...
November 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29046907/bladder-regeneration-in-a-canine-model-using-a-bladder-acellular-matrix-loaded-with-a-collagen-binding-bfgf
#12
Chunying Shi, Wei Chen, Bing Chen, Tao Shan, Weisheng Jia, Xianglin Hou, Longkun Li, Gang Ye, Jianwu Dai
Bladder reconstruction remains challenging for urological surgery due to lack of suitable regenerative scaffolds. In a previous study, we had used a collagen-binding basic fibroblast growth factor (CBD-bFGF) to bind bFGF to the collagen scaffold, which could promote bladder regeneration in rats. However, the limited graft size in rodent models cannot provide enough evidence to demonstrate the repair capabilities of this method for severely damaged bladders in humans or large animals. In this study, the CBD-bFGF was used to activate a bladder acellular matrix (BAM) scaffold, and the CBD-bFGF/BAM functional scaffold was assessed in a canine model with a large segment defect (half of the entire bladder was resected)...
October 19, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/29046798/monitoring-of-recurrent-and-superior-laryngeal-nerve-function-using-an-airwayscope%C3%A2-during-thyroid-surgery
#13
Kei Ijichi, Hiroshi Sasano, Megumi Harima, Shingo Murakami
In thyroid surgery, intraoperative identification and preservation of the recurrent laryngeal nerve (RLN) and superior laryngeal nerve external branch (SLNEB) are crucial. Several reports have proposed that electromyography (EMG) monitoring is an acceptable adjunct for identification and preservation of the RLN. However, a limited number of hospitals have access to an EMG monitoring system. Therefore, the development of another viable monitoring method is required. The aim of the present study was to design a new RLN and SLNEB monitoring method combining an Airwayscope™ (AWS) and a facial nerve stimulator...
October 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29046768/smartphones-and-e-tablets-in-perioperative-medicine
#14
REVIEW
Frederic Michard
Smartphones and electronic tablets (e-tablets) have become ubiquitous devices. Their ease of use, smartness, accessibility, mobility and connectivity create unique opportunities to improve quality of surgical care from prehabilitation to rehabilitation. Before surgery, digital applications (Apps), serious games and text messaging may help for a better control of risk factors (hypertension, overweight), for smoking cessation, and for optimizing adherence to preoperative recommendations (e.g., regarding anticoagulation or antihypertensive treatments)...
October 2017: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/29046472/-surgical-treatment-of-a-giant-olfactory-groove-schwannoma-a-case-report
#15
Takashi Fujii, Naoki Otani, Kazuma Doi, Masataka Miyama, Yohei Otsuka, Takashi Matsumoto, Toru Yoshiura, Satoru Takeuchi, Satoshi Tomura, Arata Tomiyama, Terushige Toyooka, Kojiro Wada, Kentaro Mori
Schwannomas originating from the olfactory nerve are extremely rare because the olfactory nerve does not normally contain Schwann cells. We describe a case of a giant schwannoma of the olfactory groove. A 73-year-old woman presented with anosmia persisting for 10 months. Head computed tomography(CT)for head trauma at another hospital demonstrated a tumor lesion located in the left frontal lobe and paranasal sinus. She had never suffered epilepsy, and past medical history and family history identified no indicators...
October 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/29046095/surgical-placement-of-rectus-sheath-catheters-in-a-cadaveric-cystectomy-model
#16
Ecp Chedgy, G Lowe, R Tang, C Krebs, A Sawka, H Vaghadia, M E Gleave, A I So
Introduction Surgically inserted rectus sheath catheters (RSCs) are used increasingly for analgesia after cystectomy and other abdominal surgery. Currently, there is little information on the optimal positioning of RSCs to allow maximal spread of local anaesthetic. This study sought to assess the spread of dye injected via RSCs and to highlight the extent of its coverage in a fresh unembalmed cadaveric cystectomy model in order to confirm the nerve endings that are likely to be anaesthetised with RSCs. Methods Four cadavers underwent lower midline incision with limited bladder mobilisation...
October 19, 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/29045973/-application-of-three-dimensional-reconstruction-of-the-enhanced-ct-with-iplan-cmf-software-in-head-and-neck-neoplasms
#17
Y Yu, W B Zhang, Y Wang, X J Liu, C B Guo, G Y Yu, X Peng
OBJECTIVE: Three-dimensional reconstruction of the enhanced CT is increasingly becoming a valuable tool in head and neck neoplasms. The aim of this study is to reconstruct three-dimensional imaging of tumor and its surrounding important anatomical structure using iPlan CMF software, and to investigate the application of three-dimensional tumor mapping technique for the diagnosis and treatment of the head and neck neoplasms. METHODS: In the study, 13 cases with head and neck tumors in Department of Oral and Maxilloficial Surgery, Peking University School and Hospital of Stomatology from June 2014 to June 2015 were studied using spiral CT scanning technology based on the same scanning condition...
October 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/29044711/the-surgical-anatomy-of-the-sural-nerve-an-ultrasound-study
#18
Patrick Popieluszko, Ewa Mizia, Brandon Michael Henry, Przemysław A Pękala, Beatrice Sanna, Joyeeta Roy, Marios Loukas, Krzysztof A Tomaszewski
PURPOSE: The aim of this study was (a) to examine the anatomy of the sural nerve (SN) in a sample of ______ patients and (b) to analyze the incidence of different origins of the SN, and the distance of the SN from planned arthroscopic portals. METHODS: An ultrasound (USG) examination of the SN was performed bilaterally on thirty healthy patients with no history of surgery or trauma of the lower limb. The SNs were classified into six main types of pattern, with an additional category for new and unclassified types...
October 17, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/29044090/contralateral-eye-surgery-with-adjustable-suture-for-management-of-third-nerve-palsy-with-aberrant-regeneration
#19
Phuong Thi Thanh Nguyen, Shailja Tibrewal, Suma Ganesh
Aberrant regeneration of the third nerve following its palsy is commonly seen after trauma and compressive lesions. This phenomenon is thought to result due to misdirection of the regenerating axons. Surgical management is a great challenge in the third nerve palsy owing to multiple muscle involvement and is often accompanied by ptosis and poor Bell's phenomenon. We present a case of a 27-year-old male who developed isolated complete third nerve palsy of the left eye following head trauma. Features of aberrant regeneration were seen after 6 months, namely, inverse Duane's sign and Pseudo-Von Graefe's sign...
October 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29044088/management-of-idiopathic-intracranial-hypertension-in-an-infant-with-bilateral-congenital-cataract-and-associated-comitant-sensory-esotropia
#20
Jyoti Himanshu Matalia, Sheetal Shirke, Hemant Anaspure, Pooja Ghalla, Minal Kekatpure
In this report, we describe the management of a child with bilateral cataract, nystagmus, and comitant sensory esotropia. Routine ultrasonography done before cataract surgery revealed bilateral disc edema confirmed as idiopathic intracranial hypertension by a pediatric neurologist. The primary intervention for cataract surgery was followed by nonresolving papilledema, despite maximum medical therapy. To salvage the optic nerve function in a nonverbal child, bilateral optic nerve sheath decompression was planned with simultaneous medial rectus recessions for the persistent esotropia with the satisfactory postoperative outcome...
October 2017: Indian Journal of Ophthalmology
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