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https://www.readbyqxmd.com/read/29155344/freehand-technique-for-c2-pedicle-and-pars-screw-placement-safe-or-not
#1
Prachya Punyarat, K Daniel Riew, Benjamin T Klawson, Colleen Peters, Thamrong Lertudomphonwanit, Jacob M Buchowski
BACKGROUND CONTEXT: During placement of C2 pedicle and pars screws, intraoperative fluoroscopy is used so that neurovascular complications can be avoided, and screws can be placed in the proper position. However, this method is time consuming and increases radiation exposure. Furthermore, it does not guarantee completely safe and accurate screw placement. PURPOSE: To evaluate the safety of the C2 pedicle and pars screw placement without fluoroscopic or other guidance methods...
November 16, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29143863/morphometric-properties-of-the-latissimus-dorsi-muscle-in-human-fetuses-for-flap-surgery
#2
Orhan Beger, Burhan Beger, Deniz Uzmansel, Semra Erdoğan, Zeliha Kurtoğlu
PURPOSE: Although latissimus dorsi (LD) flaps are extensively used in a wide range of interventions, fetus studies on this subject are quite limited. This study aims to obtain detailed information about the morphometric features of LD, thoracodorsal artery (TDA) and nerve (TDN). METHODS: The study was carried out on both sides of 50 formalin-fixed human fetuses (22 male/28 female) with a mean gestational age of 24.5 ± 4.7 (range 18-36) weeks, which were in the inventory of Anatomy Department of Mersin University Faculty of Medicine...
November 16, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29138974/medical-complications-and-mortality-in-octogenarians-undergoing-elective-spinal-fusion-surgeries
#3
Sharad Rajpal, E Lee Nelson, Alan T Villavicencio, Jayratna Telang, Roshan Kantha, Kara Beasley, Sigita Burneikiene
BACKGROUND: The consequences of suffering postoperative complications in elderly undergoing spinal surgeries may be different compared to younger patients. The primary objective of this study was to identify the types and frequency of medical complications and mortality rates in patients 80 years of age or older undergoing elective spinal fusion surgeries for degenerative spinal disease. METHODS: A prospective observational study with a retrospective chart review was performed, which included all consecutive patients ≥80 years old undergoing elective spinal fusion surgeries from May 2012 to August 2015...
November 14, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29124855/reconstructive-options-for-large-back-free-flap-donor-sites
#4
Arshia Azizeddin, Peter F M Choong, Damien Grinsell
BACKGROUND: Reconstruction of posterior thoracic and trunk defects can prove challenging even to the most seasoned surgeons. Many commonly used techniques for closing back defects include primary closure and split skin grafts. Often times, however, other techniques are needed in order to give the patient the best aesthetic and functional outcome. In this study, we focus on and evaluate donor site closure techniques for defects in the back created by harvesting scapular and parascapular flaps...
November 9, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/29124343/anatomical-landmarks-of-mandibular-interforaminal-region-related-to-dental-implant-placement-with-3d-cbct-comparison-between-edentulous-and-dental-mandibles
#5
Elif Sener, Erinc Onem, Gulcan Coskun Akar, Figen Govsa, Mehmet Asim Ozer, Yelda Pinar, Ali Mert, B Guniz Baksi Sen
BACKGROUND: Anterior mandibular (interforaminal) region is important in implant applications as it serves a basis for neurovascular bedding and holds the prosthesis for patients. Treatment planning for dental implant patients is often complicated by the unknown extent of the anterior loop of the neurovascular bundle. Anatomical structures including mandibular incisive canal (MIC) and lingual foramen (LF) should also be examined as part of the detailed analysis for their neurovascular structures...
November 9, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29114276/predictive-value-of-motor-evoked-potential-monitoring-during-surgery-of-unruptured-anterior-circulation-cerebral-aneurysms
#6
Yasuhiro Yamada, Yoko Kato, Mohsen Nouri, Tsukasa Ganaha, Motoki Oheda, Kohei Ishihara, Shigeta Moriya, Akiyo Sadato, Joji Inamasu, Yuichi Hirose
Objective and Background: Surgery of unruptured aneurysms is always a great challenge to neurovascular surgeons because no postoperative neurological deficits should be expected postoperatively as the patients are fully asymptomatic before the surgery. Here, we present our experience with selective motor evoked potential (MEP) monitoring of our patients in a 2-year time window. Patients and Methods: From 2012 to 2014, 27 patients with unruptured intracranial aneurysms were operated in our institute with the help of MEP monitoring...
October 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/29114270/trigeminal-neuralgia
#7
REVIEW
Yad Ram Yadav, Yadav Nishtha, Pande Sonjjay, Parihar Vijay, Ratre Shailendra, Khare Yatin
Trigeminal neuralgia (TN) is a sudden, severe, brief, stabbing, and recurrent pain within one or more branches of the trigeminal nerve. Type 1 as intermittent and Type 2 as constant pain represent distinct clinical, pathological, and prognostic entities. Although multiple mechanism involving peripheral pathologies at root (compression or traction), and dysfunctions of brain stem, basal ganglion, and cortical pain modulatory mechanisms could have role, neurovascular conflict is the most accepted theory. Diagnosis is essentially clinically; magnetic resonance imaging is useful to rule out secondary causes, detect pathological changes in affected root and neurovascular compression (NVC)...
October 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/29110652/open-subpectoral-biceps-tenodesis-in-patients-over-65-does-not-result-in-an-increased-rate-of-complications
#8
Andreas Voss, Simone Cerciello, Jessica DiVenere, Olga Solovyova, Felix Dyrna, John Apostolakos, David Lam, Mark P Cote, Knut Beitzel, Augustus D Mazzocca
BACKGROUND: Long head biceps tendon pathology is a common cause of anterior shoulder pain and is often associated with other shoulder conditions, such as rotator cuff tears and osteoarthritis. It is well accepted that older patients are at increased risk for major and minor peri- and postoperative complications. The purpose of this study is to investigate patients over 65 years old who underwent subpectoral biceps tenodesis and compare the complication rates of this group to those of patients younger than 65 years old...
November 6, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29104792/three-anatomical-levels-possibilities-to-decrease-invasiveness-of-reconstructive-surgery-for-congenital-penile-curvature
#9
Wojciech Perdzyński, Marek Adamek
Introduction: The aim of the study was to report methods - based on penile anatomy - leading to the minimization in the invasiveness of reconstructive surgery for congenital penile curvature (CPC). Material and methods: From 2006 to 2016 authors operated on 186 adult men with CPC.To avoid degloving, the authors used the longitudinal skin and tunica dartos incision. For decreasing invasiveness to the dorsal neurovascular bundle (NVB), the authors separated it only locally in the shape of a triangle or a trapezium, elevating it only over the place of the tunical reconstruction...
2017: Central European Journal of Urology
https://www.readbyqxmd.com/read/29104151/high-cervical-spinal-cord-compression-associated-with-anomaly-of-bilateral-vertebral-arteries
#10
Saeko Hayashi, Ryuichi Kanai, Jun Shinoda
BACKGROUND: Anomalies of vertebral arteries are rare, and usually detected incidentally. However, very rarely, they can manifest clinical symptoms. We describe such a symptomatic case of high cervical spinal cord compression associated with persistent C2 segmental arteries. CASE DESCRIPTION: A 67-year-old man presented with a 5-year history of worsening left-sided weakness and gait disturbance. Magnetic resonance imaging, 3D-computed tomography and digital subtraction angiography revealed anomalous courses of vertebral arteries, compressing the cervical spinal cord at C1 level from both sides...
November 2, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29102369/2d-and-3d-assessment-of-sustentaculum-tali-screw-fixation-with-or-without-screw-targeting-clamp
#11
A Siebe De Boer, Esther M M Van Lieshout, Leonie Vellekoop, Simon P Knops, Gert-Jan Kleinrensink, Michael H J Verhofstad
INTRODUCTION: Precise placement of sustentaculum tali screw(s) is essential for restoring anatomy and biomechanical stability of the calcaneus. This can be challenging due to the small target area and presence of neurovascular structures on the medial side. The aim was to evaluate the precision of positioning of the subchondral posterior facet screw and processus anterior calcanei screw with or without a Screw Targeting Clamp. The secondary aim was to evaluate the added value of peroperative 3D imaging over 2D radiographs alone...
October 26, 2017: Injury
https://www.readbyqxmd.com/read/29094072/endoscopic-unilateral-transethmoid-paraseptal-approach-to-the-central-skull-base
#12
Márton Eördögh, Hans Rudolf Briner, Daniel Simmen, Nicholas Jones, Robert Reisch
Objectives: The endoscopic technique in transnasal skull base surgery offers optimal visualization and free manipulation in the surgical field. However, it may cause approach-related sinonasal injury, influencing patients' quality of life (QOL). To minimize rhinological morbidity without restrictions in surgical manipulation and tumor resection, we introduced the unilateral transethmoidal-paraseptal approach. In this article, we analyzed the long-term results and sinonasal outcome of this technique...
October 2017: Laryngoscope Investigative Otolaryngology
https://www.readbyqxmd.com/read/29091253/morphometric-study-of-the-human-brainstem-and-its-neurovascular-relations
#13
Bianca Aurora Szabo, Raluca Pascalau, Vlad Adrian Padurean
AIM: The brainstem is a very complex segment of the central nervous system because it has a high density of nuclei and tracts with vital functional roles. This explains the considerable difficulty of surgery for lesions located in or around the brainstem. Our paper aims to provide a concise description of the external configuration, its internal correspondence and the neurovascular relations of the brainstem with morphometric data that can be useful in surgical planning. MATERIAL AND METHODS: The study was conducted on formalin fixed brainstem specimens, which were harvested with respect to the topographic anatomy...
October 2, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/29075903/the-tethered-effect-of-the-arachnoid-in-vago-glossopharyngeal-neuralgia-a-real-associated-alternative-mechanism
#14
Florian Bernard, Philippe Mercier, Marc Sindou
Vago-glossopharyngeal neuralgia (VGPN) is a rarely seen disease when compared to trigeminal neuralgia. When the pain is resistant to medical therapy, microvascular decompression can be performed if a vascular conflict is suspected on magnetic resonance imaging (MRI). In addition, arachnoid pathology may play a role in VGPN. We report two cases of VGPN caused by tethered arachnoid, associated with a vascular contact in which pain was reduced by freeing rootlets from arachnoid compression. We report two cases relating to 50-year-old and 30-year-old men with a history of electric shooting pain triggered by swallowing in the right pharyngeal and auricular regions...
October 26, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29072226/retrospective-morphometric-analysis-of-the-infraorbital-foramen-with-cone-beam-computed-tomography
#15
S Dagistan, Ö Miloǧlu, O Altun, E K Umar
OBJECTIVE: The aim of our study is to examine the morphometric characteristics of the infraorbital foramen (IOF) and its anatomic localization by using cone-beam computerized tomography (CBCT). MATERIALS AND METHODS: In our study, the anatomic characteristics of the IOF were identified by studying retrospectively the CBCT images of one hundred twenty-five (125) patients. These characteristics were assessed statistically in terms of age, gender, and right-left side...
September 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29066235/pregabalin-as-a-salvage-preoperative-treatment-for-refractory-trigeminal-neuralgia
#16
Tadashi Hamasaki, Shigetoshi Yano, Kazumi Nakamura, Kazumichi Yamada
Only few studies have investigated the effectiveness of pregabalin (PGB) treatment for trigeminal neuralgia (TN). We aimed to retrospectively analyze the effectiveness of PGB treatment in refractory TN as a salvage treatment preceding surgery. Of 61 patients with TN refractory to prior treatment with carbamazepine (CBZ), we enrolled 33 patients in our study who agreed to receive PGB before they underwent surgery. The patients were divided into effective and ineffective groups depending on the patient-reported outcome...
October 21, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29062663/free-neurovascular-latissimus-dorsi-muscle-transplantation-for-reconstruction-of-hip-abductors
#17
Sergi Barrera-Ochoa, Jose Manuel Collado-Delfa, Andrea Sallent, Alejandro Lluch, Roberto Velez
Resection of tumors affecting the hip abductors can cause significant decrease in muscle strength and may lead to abnormal gait and poor function. We present a case report showing full functional recovery after resection of a synovial sarcoma affecting the right gluteus medius and minimus muscles with reconstruction free neurovascular latissimus dorsi muscle transplantation. The latissimus dorsi muscle was harvested following standard technique and fixed to the ilium and the greater trochanter. Receptor vessels were end-to-end anastomosed to the subscapular vessels followed by an end-to-end epineural suture between the superior gluteal nerve and the thoracodorsal nerve...
September 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/29058756/low-incidence-of-neurovascular-complications-after-placement-of-proximal-tibial-traction-pins
#18
Garret Sobol, Peter Gibson, Param Patel, Kenneth Koury, Michael Sirkin, Mark Reilly, Mark Adams
Skeletal tibial traction is a temporizing measure used preoperatively for femoral fractures to improve the length and alignment of the limb and provide pain relief. The goal of this study was to identify possible neurovascular morbidity associated with the use of bedside skeletal tibial traction to treat femur fractures. All femoral fractures treated with proximal tibial traction during a 10-year period at an urban level I trauma center were retrospectively reviewed. The medical record was reviewed to determine whether a pin-related complication had occurred...
November 1, 2017: Orthopedics
https://www.readbyqxmd.com/read/29056504/superior-oblique-myokymia
#19
REVIEW
Mia Zhang, Aubrey Gilbert, David Hunter
Superior oblique myokymia (SOM) is a rare condition of unclear etiology. We discuss the history, etiology, clinical features, differential diagnoses, management and prognosis of SOM. We conducted a meta-analysis of all 116 cases published since SOM was first described in 1906. The age at examination was 17-72 years (mean 42 years.) There was a right-sided preponderance in 61% of cases (P < 0.02) that was statistically significant in females (63%, P < 0.04) but not in males (59%, P = 0.18). The pathophysiology of SOM may be neurovascular compression and/or ephaptic transmission...
October 19, 2017: Survey of Ophthalmology
https://www.readbyqxmd.com/read/29044454/the-role-of-telovelar-approach-in-fourth-ventricular-surgery-a-new-perspective
#20
Ehab Eissa
OBJECTIVE: Evaluation the efficiency of the telovelar approach for 4th ventricular lesions through identifying and preserving neurovascular structures. METHODS: Forty cases of fourth ventricular tumours using the telovelar approach Results: It provides adequate exposure in all cases. The brainstem and posterior inferior cerebellar artery (PICA) were early identified and preserved in all cases. Potential tumour attachment was observed at the floor of the fourth ventricle in twenty two (55%) cases, 5 of them were brain stem glioma...
August 31, 2017: Turkish Neurosurgery
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