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Iatrogenic nerve injury

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https://www.readbyqxmd.com/read/27913866/communicating-branches-between-lingual-and-hypoglossal-nerve-observation-using-sihler-s-staining-technique
#1
Joe Iwanaga, Koichi Watanabe, Tsuyoshi Saga, Yoko Tabira, Moriyoshi Nakamura, Christian Fisahn, R Shane Tubbs, Jingo Kusukawa, Koh-Ichi Yamaki
PURPOSE: Many dental procedures are at risk of injuring the lingual nerve. We performed this study to better elucidate the microanatomy that exists between the ipsilateral lingual and hypoglossal nerves so that iatrogenic injury can be avoided. METHODS: Adult human cadaveric tongues (ten sides) underwent Sihler's staining to identify the microanatomy between the lingual and hypoglossal nerves. RESULTS: The lingual nerve entered the middle part of the anterior two-thirds of the tongue from its lateral side and divided into two to four thick branches...
December 2, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27911674/cross-sectional-imaging-anatomy-and-pathologic-conditions-affecting-thoracic-nerves
#2
Kristopher W Cummings, Sreevathsan Sridhar, Matthew S Parsons, Cylen Javidan-Nejad, Sanjeev Bhalla
While in many cases they are not directly visualized, awareness of the thoracic nerves and their courses at cross-sectional imaging is important for radiologists. An understanding of the normal function of each nerve is important, as many patients present with neurologic signs and symptoms that can be used to reinforce search patterns for disease and detection of supportive radiologic abnormalities. In the case of primary neoplasms, understanding the expected presence of a nerve in the location of a mass can enhance and improve the accuracy of differential diagnoses...
December 2, 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/27900340/retropatellar-accessory-portals-for-improved-access-to-the-patella-anatomic-description-and-evaluation-of-safety
#3
Jason L Koh, Anthony L Logli
BACKGROUND: Standard knee arthroscopy portals are frequently used to address retropatellar chondral pathology. Alternative portals may offer a safe and simple substitute, particularly when reaching the base of deep lesions is required. PURPOSE: To describe and assess the safety of accessory retropatellar portals. STUDY DESIGN: Descriptive laboratory study. METHODS: An anatomic study was performed on 10 fresh-frozen cadaveric knees...
November 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27899369/topography-of-the-supraorbital-nerve-with-reference-to-the-lacrimal-caruncle-danger-zone-for-direct-browplasty
#4
Young-Chun Gil, Kang-Jae Shin, Shin-Hyo Lee, Wu-Chul Song, Ki-Seok Koh, Hyun Jin Shin
PURPOSE: To elucidate the course of the supraorbital nerve (SON) with reference to the lacrimal caruncle in order to facilitate safer direct browplasty by preventing nerve injury. METHODS: Thirty-four hemifaces from 18 embalmed Korean cadavers were dissected. A vertical line through the upmost point of the lacrimal caruncle and a horizontal line through the supraorbital margin were used as the horizontal and vertical reference positions, respectively. The course of the SON in the frontal view and the point at which it pierced the overlaying musculature were examined...
November 29, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27890216/-nerve-injuries-associated-with-distal-radius-fractures
#5
J Pierrart, D Tordjman, N Ikeuchi, D Delgrande, T Gregory, E Masmejean
Nerve damage is a common complication of distal radius fractures. It may be a result of the injury event or be iatrogenic. It is the source of disability and potential handicap. There is little published data on this topic and no study has validated the strategies needed to prevent or manage these nerve-related complications. There is no consensus on treatment. Prevention requires a good knowledge of the various surgical approaches and rigorous fracture fixation technique. The objective of this article is to take stock of recent data from the scientific literature...
December 2016: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/27878340/anatomical-risk-evaluation-of-iatrogenic-injury-to-the-infrapatellar-branch-of-the-saphenous-nerve-during-medial-meniscus-arthroscopic-surgery
#6
Guillaume Koch, Agathe Kling, Nitin Ramamurthy, Faramarz Edalat, Roberto Luigi Cazzato, Jean-Luc Kahn, Julien Garnon, Philippe Clavert
PURPOSE: To determine the relationship of the medial meniscus with the infrapatellar branches of the saphenous nerve, the primary goal is to define and characterize different risk areas for these nerves during medial meniscus surgery. METHODS: After dissecting 20 embalmed cadaver knees, we defined 7 readily identifiable anatomical landmarks. For each knee, we recorded 2 morphological criteria and 16 measurements. RESULTS: The most common anatomical course is a main trunk that is 8 mm anterior to the tuberculum adductorium and 60 mm posterior to the midpoint of the medial patellar margin...
November 22, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27849325/how-safe-is-the-semi-sterile-technique-in-the-percutaneous-pinning-of-supracondylar-humerus-fractures
#7
Ali Turgut, Burak Önvural, Cemal Kazımoğlu, Tayfun Bacaksız, Önder Kalenderer, Haluk Ağuş
BACKGROUND: The purpose of the present study was to evaluate safety and efficiency of the semi-sterile technique used in recent years in treatment of pediatric supracondylar humeral fractures (SHF). METHODS: Total of 712 patients who were treated for SHF via closed reduction and percutaneous fixation with semi-sterile technique were enrolled in present study. Patients were evaluated for postoperative infection and other complications. Clinical and radiological assessments were also made...
September 2016: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/27846646/the-variable-emergence-of-the-infrapatellar-branch-of-the-saphenous-nerve
#8
Brandon Michael Henry, Krzysztof A Tomaszewski, Przemysław A Pękala, Piravin Kumar Ramakrishnan, Dominik Taterra, Karolina Saganiak, Ewa Mizia, Jerzy A Walocha
The infrapatellar branch of the saphenous nerve (IPBSN) is a cutaneous nerve of the lower limb, which arises distal to the adductor canal. High variability in the emergence, course, branching, termination, and morphometrics of the IPBSN poses an increased risk of injury to the nerve during surgical interventions on the anteromedial aspect of the knee. The aim of this study was to describe the anatomical characteristics of the IPBSN. This study utilized cadaveric (n = 100) and ultrasonography (n = 30) assessments, and meta-analysis...
November 15, 2016: Journal of Knee Surgery
https://www.readbyqxmd.com/read/27833706/variant-anatomy-of-the-nasal-and-labial-branches-of-the-infraorbital-nerve
#9
Joseph Munyiri Nderitu, Fawzia Butt, Hassan Saidi
Comprehensive understanding of the variations in the branches of the infraorbital nerve (ION) is vital to the prevention of iatrogenic nerve injury and successful ION blockade during orbitozygomatic facial procedures. Only a few studies exist on the variant anatomy of the branching patterns of this nerve. This article provides a detailed description of the variations of the nasal and superior labial branches of the ION. This study was performed on 84 IONs by dissecting 42 formalin-fixed cadavers from the Laboratory of Topographic Anatomy, Department of Human Anatomy, University of Nairobi...
November 2016: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/27830440/surgical-relevance-of-the-lateral-costotransverse-ligament-in-relation-to-the-dorsal-root-ganglion
#10
Anthony V D'Antoni, Peter G Collin, Rachel A Graham, Helena M Kennedy, Tatiana Ndjatou, Pamela Perez, R Shane Tubbs, Marios Loukas, Piotr B Kozlowski, Estomith P Mtui
The lateral costotransverse ligament, a short band that stabilizes the costovertebral joint, is found in close proximity to the dorsal root ganglion. This ligament is an important surgical landmark during tumor resections or nerve blocks in the paravertebral space. The purpose of this study was to quantitatively and qualitatively describe the morphology of the lateral costotransverse ligament and its relation to the dorsal root ganglion at all levels of the thoracic spine. The thoracic spines of eight embalmed cadavers were dissected bilaterally...
November 9, 2016: Anatomical Science International
https://www.readbyqxmd.com/read/27816290/clinical-and-arthrometric-outcomes-of-an-anatomic-outside-in-single-bundle-anterior-cruciate-ligament-reconstruction-using-a-retrodrill
#11
David Figueroa, Rafael Calvo, Francisco Figueroa, Daniel Paccot, Guillermo Izquierdo, Nelson Morales
BACKGROUND: The main option to perform an anatomic anterior cruciate ligament (ACL) reconstruction is the anteromedial portal (AMP) technique. It has several reported complications (iatrogenic chondral injury, posterior-wall blowout, short sockets, increased risk of injury to common peroneal nerve). In an attempt to avoid these complications the outside-in (OI) technique was revived with the addition of a retrodrill. The aim of this study is to evaluate the clinical and arthrometric outcomes of a series of anatomical OI single bundle ACL reconstruction using a retrodrill...
December 2016: Knee
https://www.readbyqxmd.com/read/27801698/magnetic-resonance-neurographic-and-clinical-long-term-results-after-oberlin-s-transfer-for-adult-brachial-plexus-injuries
#12
Florian S Frueh, Michael Ho, Andreas Schiller, Pascal Ducommun, Andrei Manoliu, Gustav Andreisek, Maurizio Calcagni, Pietro Giovanoli
The primary goal of the surgical treatment of upper brachial plexus injuries is to restore active elbow flexion. Accordingly, Oberlin's transfer has been frequently performed since 1994 and has influenced the development of other nerve transfers. However, the window of opportunity for nerve transfers remains a subject of controversy. The objective of this study was to assess magnetic resonance (MR) neurographic, clinical and electrophysiological long-term results after Oberlin's transfer. For this purpose, we performed a retrospective follow-up study...
October 31, 2016: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/27796491/nerve-supply-of-the-subscapularis-during-anterior-shoulder-surgery-definition-of-a-potential-risk-area
#13
Tim Leschinger, Michael Hackl, Felix Zeifang, Martin Scaal, Lars Peter Müller, Kilian Wegmann
PURPOSE: The purpose of the study was to evaluate the position of the subscapular nerves relative to surgical landmarks during exposure and to analyze the pattern of innervation of the subscapularis to avoid injury during anterior shoulder surgery. METHODS: 20 embalmed human cadaveric shoulder specimens were used in the study. The muscular insertions of the subscapular nerves were marked and their closest branches to the musculotendinous junction and the coracoid process were measured in horizontal and vertical distances...
October 28, 2016: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/27773371/circular-frame-fixation-for-calcaneal-fractures-risks-injury-to-the-medial-neurovascular-structures-a-cadaveric-description
#14
Tom Esparon, Callum M Thomson, Paul M Rea, Bilal Jamal
AIM: There is a risk of iatrogenic injury to the soft tissues of the calcaneus and this study assesses the risk of injury to these structures in circular frame calcaneal fracture fixation. MATERIALS AND METHODS: After olive tip wires were inserted, an L-shaped incision on the lateral and medial aspects of 5 formalin fixed cadaveric feet was performed to expose the underlying soft tissues. The calcaneus was divided into zones corresponding to high, medium and low risk using a grading system...
December 2016: Injury
https://www.readbyqxmd.com/read/27768678/case-match-controlled-comparison-of-minimally-invasive-plate-osteosynthesis-and-intramedullary-nailing-for-the-stabilization-of-humeral-shaft-fractures
#15
Gareth Davies, Gerald Yeo, Mahendrakumar Meta, David Miller, Erik Hohmann, Kevin Tetsworth
OBJECTIVES: To compare the risk of major complications after either minimally invasive plate osteosynthesis (MIPO) or intramedullary nailing (IMN) of humeral shaft fractures. DESIGN: Retrospective, case-match controlled study. SETTING: A major metropolitan tertiary referral trauma center in Australia. PATIENTS: Thirty patients with fractures of the humeral shaft. INTERVENTION: Either MIPO or IMN were performed on 15 patients each with traumatic humeral shaft fractures...
November 2016: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/27689222/-surgical-treatment-of-lumbar-disc-herniation
#16
F C Heider, H M Mayer
OBJECTIVE: Herniated disc tissue removal to decompress the spinal nerve/cauda equina. Minimization of iatrogenic trauma and associated injuries. INDICATIONS: Conservative treatment did not sufficiently improve clinical symptoms. This is true for progressive or persisting neurological deficits, as well as for persisting pain which alters the quality of the patient`s life. Results of surgery are strongly dependent on the preoperative duration of symptoms. Paramount is the "timing" of surgery: poorer surgical results associated with increasing preoperative duration of symptoms...
September 29, 2016: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/27683674/lumbar-interbody-fusion-techniques-indications-and-comparison-of-interbody-fusion-options-including-plif-tlif-mi-tlif-olif-atp-llif-and-alif
#17
REVIEW
Ralph J Mobbs, Kevin Phan, Greg Malham, Kevin Seex, Prashanth J Rao
Degenerative disc and facet joint disease of the lumbar spine is common in the ageing population, and is one of the most frequent causes of disability. Lumbar spondylosis may result in mechanical back pain, radicular and claudicant symptoms, reduced mobility and poor quality of life. Surgical interbody fusion of degenerative levels is an effective treatment option to stabilize the painful motion segment, and may provide indirect decompression of the neural elements, restore lordosis and correct deformity. The surgical options for interbody fusion of the lumbar spine include: posterior lumbar interbody fusion (PLIF), transforaminal lumbar interbody fusion (TLIF), minimally invasive transforaminal lumbar interbody fusion (MI-TLIF), oblique lumbar interbody fusion/anterior to psoas (OLIF/ATP), lateral lumbar interbody fusion (LLIF) and anterior lumbar interbody fusion (ALIF)...
December 2015: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/27661064/iatrogenic-facial-nerve-injuries-during-chronic-otitis-media-surgery-a-multicentre-retrospective-study
#18
T Linder, S Mulazimoglu, T El Hadi, V Darrouzet, D Ayache, T Somers, S Schmerber, C Vincent, M Mondain, E Lescanne, D Bonnard
OBJECTIVES: To give an insight into why, when and where iatrogenic facial nerve (FN) injuries may occur and to explain how to deal with them in an emergency setting. DESIGN AND SETTING: Multicentre retrospective study in eight tertiary referral hospitals over 17 years. PARTICIPANTS: Twenty patients with partial or total FN injury during surgery for chronic otitis media (COM) were revised. MAIN OUTCOME MEASURES: Indication and type of surgery, experience of the surgeon, intra- and postoperative findings, value of CT scanning, patient management and final FN outcome were recorded...
September 23, 2016: Clinical Otolaryngology
https://www.readbyqxmd.com/read/27627737/variable-relationship-of-the-recurrent-laryngeal-nerve-to-the-inferior-thyroid-artery-a-meta-analysis-and-surgical-implications
#19
Brandon Michael Henry, Jens Vikse, Matthew J Graves, Silvia Sanna, Beatrice Sanna, Iwona M Tomaszewska, Wan Chin Hsieh, R Shane Tubbs, Krzysztof A Tomaszewski
BACKGROUND: The relationship between the recurrent laryngeal nerve (RLN) and inferior thyroid artery (ITA) is highly variable and traceable back to embryological life. METHODS: Comprehensive database searches were conducted, followed by judgment of eligibility, assessment, and extraction of data concerning the RLN/ITA relationship. The data were pooled into a meta-analysis and subjected to sex, side-based, geographic origin of study, and study modality subgroup analyses...
September 14, 2016: Head & Neck
https://www.readbyqxmd.com/read/27626078/how-to-avoid-facial-nerve-injury-in-mastoidectomy
#20
REVIEW
Nam-Gyu Ryu, Jin Kim
Unexpected iatrogenic facial nerve paralysis not only affects facial disfiguration, but also imposes a devastating effect on the social, psychological, and economic aspects of an affected person's life at once. The aims of this study were to postulate where surgeons had mistakenly drilled or where obscured by granulations or by fibrous bands and to look for surgical approach with focused on the safety of facial nerve in mastoid surgery. We had found 14 cases of iatrogenic facial nerve injury (IFNI) during mastoid surgery for 5 years in Korea...
September 2016: Journal of Audiology & Otology
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