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Neurovascular complications

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https://www.readbyqxmd.com/read/28819612/uncommon-floating-knee-in-a-teenager-a-case-report-of-ipsilateral-physeal-fractures-in-distal-femur-and-proximal-tibia
#1
Youssef Othman, Lassaad Hassini, Aymen Fekih, Issam Aloui, Abderrazek Abid
INTRODUCTION: The concomitance of ipsilateral physeal fractures of the distal femur and the proximal tibia is an extremely scarce entity. It is conceptually similar to floating knee in the pediatric population. CASE REPORT: One case with this injury is reported in a 16-year-old teenager. He was treated surgically by close reduction and internal fixation. The diagnosis of the tibial fracture was initially missed, and the fracture was seen on the post-operative radiographs...
March 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28817595/predictive-factors-of-the-dimensions-and-location-of-mental-foramen-using-cone-beam-computed-tomography
#2
Juan Muinelo-Lorenzo, Ana Fernández-Alonso, Ernesto Smyth-Chamosa, Juan Antonio Suárez-Quintanilla, Jesús Varela-Mallou, María Mercedes Suárez-Cunqueiro
OBJECTIVE: The mental foramen (MF) hosts main neurovascular structures, making it of crucial importance for surgical procedures. This study aimed to analyze the factors influencing the dimensions and location of the MF. MATERIALS AND METHODS: Cone beam computed tomography (CBCT) scans of 344 patients were examined for MF dimensions, as well as for the distances from the MF to the alveolar crest (MF-MSB), and to the inferior mandibular border (MF-MIB). RESULTS: Gender, mandibular side and presence of accessory mental foramina (AMF) significantly influence MF area...
2017: PloS One
https://www.readbyqxmd.com/read/28811848/skull-base-tumors-and-tumor-like-lesions-a-pictorial-review
#3
REVIEW
Akira Kunimatsu, Natsuko Kunimatsu
A number of tumors and tumor-like non-neoplastic lesions with different cell types on histology occur in the skull base. A wide variety in disease and lesion appearance often complicates the process of radiological diagnosis. The main role of radiographic imaging is the detection and characterization of skull base lesions, with evaluation of the extent of invasion or preservation of adjacent critical organs. Evaluation of the skull base anatomy and surgical planning by using image guidance are also important for surgeons...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28810893/subcutaneous-emphysema-of-the-leg-after-hardware-removal-and-bone-allografting-for-infected-non-union-of-the-distal-femur
#4
Vincenzo Denaro, Umile Giuseppe Longo, Giuseppe Salvatore, Vincenzo Candela, Nicola Maffulli
BACKGROUND: Infected non-unions of the supracondylar region of the femur are uncommon. Even though hardware removal is a common procedure, it may lead to complications, including neurovascular injury, refracture, worsening pain or recurrence of deformity. CASE PRESENTATION: We report on a male who developed subcutaneous emphysema of the leg after hardware removal and bone allografting for an infected non-union of the distal femur. He was managed by debridement of the surgical wound, antibiotic therapy, multiple fasciotomies, and application of a VAC (vacuum-assisted closure) system...
August 15, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28809635/-clinical-results-of-endoscopic-treatment-of-greater-trochanteric-pain-syndrome
#5
P Zeman, M Rafi, P Skala, J Zeman, J Matějka, T Pavelka
PURPOSE OF THE STUDY This retrospective study aims to present short-term clinical outcomes of endoscopic treatment of patients with greater trochanteric pain syndrome (GTPS). MATERIAL AND METHODS The evaluated study population was composed of a total of 19 patients (16 women, 3 men) with the mean age of 47 years (19-63 years). In twelve cases the right hip joint was affected, in the remaining seven cases it was the left side. The retrospective evaluation was carried out only in patients with greater trochanteric pain syndrome caused by independent chronic trochanteric bursitis without the presence of m...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28799873/-birdlime-technique-using-tachosil-tissue-sealing-sheet-soaked-with-fibrin-glue-for-sutureless-vessel-transposition-in-microvascular-decompression-operative-technique-and-nuances
#6
Naoki Otani, Terushige Toyooka, Kazuya Fujii, Kosuke Kumagai, Satoru Takeuchi, Arata Tomiyama, Yasuaki Nakao, Takuji Yamamoto, Kojiro Wada, Kentaro Mori
OBJECTIVE Microvascular decompression (MVD) is effective for the treatment of trigeminal neuralgia (TN), hemifacial spasm (HFS), and glossopharyngeal neuralgia. The transposition technique is the standard procedure to avoid adhesions and granuloma around the decompression site but is more complex and difficult to perform than the interposition technique. The authors describe a simple and safe MVD transposition procedure they call the "birdlime" technique, which uses a tissue glue-coated collagen sponge soaked with fibrin glue, and the results of this technique...
August 11, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28792429/glabrous-flow-through-flaps-for-simultaneous-resurfacing-revascularization-and-reinnervation-of-digits
#7
Chao Chen, Liwen Hao, Wenhai Sun, Zengtao Wang, Zihai Ding, Shizhen Zhong
INTRODUCTION: Composite injuries of the volar surfaces of fingers are frequently associated with digital vessel and nerve damage. Flow-through glabrous flaps can provide esthetic tissue coverage as well as revascularization, and using a neurovascular flap, allows primary reconstruction of the digital nerve. METHODS: Between June 2010 and August 2014, we prospectively studied the use of Microsurgical flow-through glabrous flaps to achieve simultaneously digital revascularization and soft tissue coverage in 13 fingers of 12 patients who experienced volar injuries, comprising 6 great toe fibular flaps, 3 medial plantar flaps, 1 pedis medialis flap, and 3 hypothenar flaps...
November 2016: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28791191/modified-extradural-temporopolar-approach-with-suction-decompression-for-clipping-of-large-paraclinoid-aneurysm-technical-note
#8
Naoki Otani, Terushige Toyooka, Kojiro Wada, Kentaro Mori
BACKGROUND: Surgical clipping of complicated large paraclinoid aneurysms are still challenging because strong adhesion of aneurysm itself may hinder the dissection of the perforators and the surrounding anatomical structures from the aneurysm dome. METHODS: We describe 13 consecutive patients and the clipping of complicated, large-sized paraclinoid aneurysms using a modified extradural temporopolar approach combined with retrograde suction decompression and discuss its advantages and pitfalls...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28779867/neurological-complications-of-childhood-cancer
#9
Lauren Weaver, Ayman Samkari
Though the treatment of pediatric cancers has come a long way, acute and chronic effects of cancer are still affecting the life of many children. These effects may be caused not only by the malignancy itself but also by the interventions used for the purpose of treatment. This article focuses primarily on the indirect effects of pediatric cancers and their treatment on the central and peripheral nervous system. Chemotherapy, radiation, and stem cell transplantation cause an immune-compromised state and place the patient at risk of infection, the leading cause of mortality in pediatric cancer...
February 2017: Seminars in Pediatric Neurology
https://www.readbyqxmd.com/read/28776629/valve-or-no-valve-a-prospective-randomized-controlled-trial-of-casting-options-for-pediatric-forearm-fractures
#10
Paul C Baldwin, Eric Han, Anthony Parrino, Matthew J Solomito, Mark C Lee
The purpose of this study was to determine the rate of cast-related complications when using split or intact casts. A total of 60 patients aged 3 to 13 years with closed shaft or distal third radius and ulna fractures requiring reduction were recruited for this study. Patients underwent closed reduction under sedation and were placed into a long-arm fiberglass cast with 1 of 3 modifications: no valve, univalve, or bivalve. Patients were followed to 6 weeks after reduction or surgical treatment if required. The frequency of neurovascular injury, cast saw injury, unplanned office visits, and cast modifications, the need for operative intervention, and pain levels through the follow-up period were recorded...
August 3, 2017: Orthopedics
https://www.readbyqxmd.com/read/28769861/non-syndromic-spinal-schwannomas-a-novel-classification
#11
Ibrahim Sun, M Necmettin Pamir
Schwannomas are the most frequent primary tumors of the spine with an incidence of 0.3-0.5/100,000 person per year. Current treatment for non-syndromic spinal schwannomas is total resection of the tumor with preservation of neurovascular structures. This study aims to report neurologic and radiologic outcome following treatment of non-syndromic spinal schwannomas along with a novel tumor classification used in our clinic. A retrospective case series was carried out with a patient sample of 82 male and female patients with non-syndromic spinal schwannomas...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28754638/microvascular-decompression-for-trigeminal-neuralgia-using-a-novel-fenestrated-clip-and-tentorial-flap-technique
#12
Lain Hermes Gonzalez-Quarante, Fernando Ruiz-Juretschke, Vijay Agarwal, Roberto Garcia-Leal
BACKGROUND: Microvascular decompression (MVD) for neurovascular compression syndromes such as trigeminal neuralgia and hemifacial spasm has been traditionally described as an interposing technique using Teflon. Some alternative interposing materials have been proposed. Additionally, transposing techniques have been increasingly reported in recent years, as an alternative that may have a lower recurrence rate and fewer complications. OBJECTIVE: To describe our experience utilizing a technique consisting of transposition of the superior cerebellar artery using a fenestrated clip and a tentorial flap in patients with trigeminal neuralgia...
July 25, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28745569/fabry-nephropathy
#13
Prudence Colpart, Sophie Félix
Fabry disease is a rare X-linked recessive lysosomal storage disease. Multiple mutations of the GLA gene lead to a deficient or absent activity of the lysosomal enzyme α-galactosidase A, resulting in progressive glycotriaosylceramide accumulation in many organs. Low α-galactosidase A activity and mutations in the GLA gene confirm the diagnosis. Clinical signs are multisystemic, heterogeneous, and progressive. Renal, cardiac, and neurovascular involvements are the main life-threatening complications, highlighting the importance of an early initiation of enzyme replacement therapy improving long-term outcome...
August 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28738797/tibiotalocalcaneal-ttc-arthrodesis-with-reverse-philos-plate-and-medial-cannulated-screws-with-lateral-approach
#14
Jian Fan, X Zhang, Y Luo, G W You, W K Ng, Y F Yang
BACKGROUND: Tibiotalocalcaneal arthrodesis is most common and effective surgical treatment for severe hindfoot pathology, but the fusion rate is often lower than the ordinary tibiotalar arthrodesis because of the more serious joint disease associated with obvious deformity and osteoporosis. Recent literature describe tibiotalocalcaneal arthrodesis with reverse PHILOS plate with good clinical outcome result, though some patients non-union, due to eccentric force of the plate may be hidden...
July 24, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28735438/adenosine-assisted-neurovascular-surgery-initial-case-series-and-review-of-literature
#15
REVIEW
Alaa Al-Mousa, Gahan Bose, Katharine Hunt, Ahmed K Toma
Cerebral aneurysms in complex anatomical locations and intraoperative rupture of aneurysms are challenging for neurosurgeons and anaesthetists alike. Mechanical and non-mechanical methods to reduce blood flow into aneurysms are well-recognised techniques to facilitate aneurysm exclusion from the circulation. Mechanical methods like temporary clipping of parent arteries, carotid artery ligation and endovascular balloon occlusion are commonly used in clinical practice. However, non-mechanical techniques such as rapid ventricular pacing and adenosine-induced cardiac standstill with hypotension are still emerging strategies...
July 22, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28724805/diabetic-retinopathy-current-understanding-mechanisms-and-treatment-strategies
#16
REVIEW
Elia J Duh, Jennifer K Sun, Alan W Stitt
Diabetic retinopathy (DR) causes significant visual loss on a global scale. Treatments for the vision-threatening complications of diabetic macular edema (DME) and proliferative diabetic retinopathy (PDR) have greatly improved over the past decade. However, additional therapeutic options are needed that take into account pathology associated with vascular, glial, and neuronal components of the diabetic retina. Recent work indicates that diabetes markedly impacts the retinal neurovascular unit and its interdependent vascular, neuronal, glial, and immune cells...
July 20, 2017: JCI Insight
https://www.readbyqxmd.com/read/28722085/-anatomical-planes-and-landmarks-of-transanal-total-mesorectal-excision-for-rectal-cancer-and-prophylaxis-of-intraoperative-complications
#17
Zhanlong Shen, Yingjiang Ye, Shan Wang
Total mesorectal excision (TME) is a mile-stone procedure in the history of rectal cancer surgery, but the exposure of surgical field of distal rectum is usually poor in patients with male, obese and narrow pelvis, which may lead to tumor residue and relative complications. Recently, a new technique called transanal TME (taTME) is considered to solve the above problems, but most medical centers are still in the learning curve of this procedure. Therefore, anatomical planes and landmarks of taTME for rectal cancer and prophylaxis of intraoperative complications are induced in this paper, which includes posterior plane: angle of anus and distal mesorectum and bleeding of mesorectum; rectosacral fascia and presacral bleeding; lateral and posterior-lateral plane: posterior branches of pelvic plexus and damage of anal function; anterior plane: vessel branches of neurovascular bundle and bleeding...
July 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28711529/initial-treatment-strategy-for-intracranial-mycotic-aneurysms-two-case-reports-and-literature-review
#18
Makoto Ohtake, Kensuke Tateishi, Naoki Ikegaya, Junya Iwata, Shoji Yamanaka, Hidetoshi Murata
BACKGROUND: Intracranial mycotic aneurysm (IMA) is a rare neurovascular disease and a well-known complication following infective endocarditis. IMAs potentially carry a high mortality risk due to intracranial hemorrhage. Therefore, initial treatment is crucial for IMA patients, but an optimal treatment strategy remains unknown. Herein, we report two cases of IMA patients treated with the current usual modalities, and we provide a comprehensive literature review to propose an optimal initial treatment strategy for IMAs...
July 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28710845/chitosan-membranes-application-on-the-prostatic-neurovascular-bundles-following-robot-assisted-radical-prostatectomy-a-phase-ii-study
#19
F Porpiglia, R Bertolo, C Fiori, M Manfredi, S De Cillis, S Geuna
OBJECTIVE: To evaluate the feasibility and the safety of the application of chitosan membranes on the neuro-vascular bundles after nerve-sparing Robot-Assisted Radical Prostatectomy (RARP). The secondary aim of the study was to report preliminary data and more particularly potency recovery data. MATERIALS AND METHODS: Single-center, single-arm prospective study. Enrolment from July 2015 to September 2016 of all patients with localized prostate cancer scheduled for RARP with IIEF-5 score > 17 after San Luigi Gonzaga Hospital Ethics Committee (Orbassano) approval (80/2015) and patient's acceptance...
July 15, 2017: BJU International
https://www.readbyqxmd.com/read/28708652/clinical-application-of-multimodal-neuronavigation-system-in-neuroendoscope-assisted-skull-base-chordoma-resection
#20
Xin Wang, Long Li, Yibao Wang, Jinqu Hu, Jinpeng Zhou, Zhitao Jing, Anhua Wu
Skull base chordoma is a rare tumor arising from embryonic remnants of the notochord with invasive potential. Due to the destruction of osseous landmarks and invasion of surrounding structures, surgical resection is challenging. The authors explored the clinical value of a multimodal neuronavigation system in skull base chordoma resection using a neuroendoscope. Between January 2012 and January 2016, the authors utilized neuroendoscopy to excise skull base chordoma in 93 patients. The authors performed 45 operations assisted by multimodal neuronavigation (neuronavigation group) and 48 without intraoperative imaging guidance (control group)...
July 13, 2017: Journal of Craniofacial Surgery
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