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https://www.readbyqxmd.com/read/28931254/cavernomas-and-arteriovenous-malformations-in-the-mesial-temporal-region-microsurgical-anatomy-and-approaches
#1
Alvaro Campero, Pablo Ajler, Carlos Rica, Albert Rhoton
BACKGROUND: The mesial temporal region (MTR) is located deep in the temporal lobe and it is surrounded by important vascular and nervous structures that should be preserved during surgery. OBJECTIVE: To describe microsurgical anatomy and approaches to the MTR in relation to cavernomas and arteriovenous malformations (AVMs). METHODS: Five formalin-fixed and red silicone-embedded heads of adult cadavers were used for this study. Between January 2003 and June 2014, 7 patients with cavernomas and 6 patients with AVMs in the MTR underwent surgery...
February 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28931251/managing-arterial-injury-in-endoscopic-skull-base-surgery-case-series-and-review-of-the-literature
#2
Alicia Del Carmen Becerra Romero, Jagath Lal Gangadharan, Evan D Bander, Yves Pierre Gobin, Vijay K Anand, Theodore H Schwartz
BACKGROUND: The most feared complications following endoscopic endonasal skull base surgery are arterial vascular injuries. Previously published literature is restricted to internal carotid artery injuries. The ideal method for controlling arterial bleeding during this kind of procedure is debated, and a variety of techniques have been advocated. OBJECTIVE: To evaluate the management and outcome following intraoperative arterial injury during endoscopic endonasal skull base surgery...
February 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28931250/minimally-invasive-transpalpebral-endoscopic-assisted-amygdalohippocampectomy
#3
Mauricio Mandel, Eberval Gadelha Figueiredo, Suzana Abramovicz Mandel, Rafael Tutihashi, Manoel Jacobsen Teixeira
BACKGROUND: Although anterior temporal lobectomy may be a definitive surgical treatment for epileptic patients with mesial temporal sclerosis, it often results in verbal, visual, and cognitive dysfunction. Studies have consistently reported the advantages of selective procedures compared with a standard anterior temporal lobectomy, mainly in terms of neuropsychological outcomes. OBJECTIVE: To describe a new technique to perform a selective amygdalohippocampectomy (SAH) through a transpalpebral approach with endoscopic assistance...
February 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28931184/-modern-interdisciplinary-management-of-a-uretero-iliac-artery-fistula-case-report
#4
D Benedix, F Meyer, F Fischbach, A Janitzky, Z Halloul
Introduction Abnormal links between the arterial system and other luminal systems are a challenge to those in charge of their adequate diagnostic and therapeutic management. Objective Scientific case report on an individual who underwent successful treatment combining vascular-surgical and interventional radiology techniques for a rare right uretero-iliac artery fistula based on personal clinical experience, a selective literature research and a detailed discussion of current recommendations for diagnostic workup and subsequent treatment...
September 20, 2017: Aktuelle Urologie
https://www.readbyqxmd.com/read/28930931/multiple-concomitant-traumatic-pseudoaneurysms-of-the-superficial-temporal-artery
#5
Doga Gurkanlar, Sevda Lafci Fahrioğlu
The authors present a case with a 22-year-old man suffering from a 2 pseudoaneurysms at the temporal region following trauma. The second pseudoaneurysm was diagnosed through an astute use of digital subtraction angiography along with ultrasound to the right external carotid artery which was preferred due to the presence of a vascular pathology at the region of the trauma. During surgery, the distal and proximal ends of both aneurysms were ligated and resected. The concomitant pseudoaneurysms and the use of digital subtraction angiography should be kept in mind in such trauma patients to prevent additional surgical interventions...
September 19, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28930755/vegf-and-igf-delivered-from-alginate-hydrogels-promote-stable-perfusion-recovery-in-ischemic-hind-limbs-of-aged-mice-and-young-rabbits
#6
Erin M Anderson, Eduardo A Silva, Yibai Hao, Kathleen D Martinick, Sarah A Vermillion, Alexander G Stafford, Elisabeth G Doherty, Lin Wang, Edward J Doherty, Paul M Grossman, David J Mooney
Biomaterial-based delivery of angiogenic growth factors restores perfusion more effectively than bolus delivery methods in rodent models of peripheral vascular disease, but the same success has not yet been demonstrated in clinically relevant studies of aged or large animals. These studies explore, in clinically relevant models, a therapeutic angiogenesis strategy for the treatment of peripheral vascular disease that overcomes the challenges encountered in previous clinical trials. Alginate hydrogels providing sustained release of vascular endothelial growth factor (VEGF) and insulin-like growth factor-1 (IGF) were injected into ischemic hind limbs in middle-aged and old mice, and also in young rabbits, as a test of the scalability of this local growth factor treatment...
September 21, 2017: Journal of Vascular Research
https://www.readbyqxmd.com/read/28930719/vascular-access-placement-order-and-outcomes-in-hemodialysis-patients-a-longitudinal-study
#7
Mariana Murea, W Mark Brown, Jasmin Divers, Shahriar Moossavi, Todd W Robinson, Benjamin Bagwell, John M Burkart, Barry I Freedman
BACKGROUND: Arteriovenous accesses (AVA) in patients performing hemodialysis (HD) are labeled "permanent" for AV fistulas (AVF) or grafts (AVG) and "temporary" for tunneled central venous catheters (TCVC). Durability and outcomes of permanent vascular accesses based on the sequence in which they were placed or used receives little attention. This study analyzed longitudinal transitions between TCVC-based and AVA-based HD outcomes according to the order of placement. METHODS: All 391 patients initiating chronic HD via a TCVC between 2012 and 2013 at 12 outpatient academic dialysis units were included in this study...
September 21, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28927471/a-vascular-endothelial-growth-factor-a-genetic-variant-is-associated-with-improved-ventricular-function-and-transplant-free-survival-after-surgery-for-non-syndromic-chd
#8
Constantine D Mavroudis, Daniel Seung Kim, Nancy Burnham, Alexandra H Morss, Jerry H Kim, Amber A Burt, David R Crosslin, Donna M McDonald-McGinn, Elaine H Zackai, Meryl S Cohen, Susan C Nicolson, Thomas L Spray, Ian B Stanaway, Deborah A Nickerson, Mark W Russell, Hakon Hakonarson, Gail P Jarvik, J William Gaynor
BACKGROUND: We have previously shown that the minor alleles of vascular endothelial growth factor A (VEGFA) single-nucleotide polymorphism rs833069 and superoxide dismutase 2 (SOD2) single-nucleotide polymorphism rs2758331 are both associated with improved transplant-free survival after surgery for CHD in infants, but the underlying mechanisms are unknown. We hypothesised that one or both of these minor alleles are associated with better systemic ventricular function, resulting in improved survival...
September 20, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28927077/associations-between-the-expression-of-mta1-and-vegf-c-in-esophageal-squamous-cell-carcinoma-with-lymph-angiogenesis-and-lymph-node-metastasis
#9
Jianping Liu, Juan Xia, Yongheng Zhang, Maoyong Fu, Sheng Gong, Yulong Guo
The aim of the present study was to investigate the association between the expression levels of metastasis-related gene 1 (MTA1) and vascular endothelial growth factor C (VEGF-C) in esophageal squamous cell carcinoma (ESCC) with lymph angiogenesis and lymph node metastasis. The paraffin-embedded tissue samples of 107 cases of ESCC and 56 cases of normal esophageal tissues were collected from the Department of Cardiothoracic Surgery, Suining Central Hospital from March 2013 to January 2014. Immunohistochemical assays were performed to detect the expression levels of MTA1, VEGF-C and D2-40 in ESCC, and the micro-lymphatic vessel density (LVD) was evaluated...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28926386/effect-of-vascular-injury-on-functional-outcome-in-knees-with-multi-ligament-injury-a-matched-cohort-analysis
#10
Thomas L Sanders, Nicholas R Johnson, Nathan M Levy, Peter A Cole, Aaron J Krych, Michael Stuart, Bruce A Levy
BACKGROUND: Multi-ligament knee injury (MLKI) associated with knee dislocation can result in vascular injury. The purpose of this study was to compare knee function after MLKI between patients with a vascular injury requiring popliteal artery bypass grafting and patients without vascular involvement. Additionally, factors associated with poor knee function in patients who had MLKI with vascular injury were evaluated. METHODS: This retrospective study identified patients with an MLKI between 1992 and 2014...
September 20, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28926380/osseointegrated-transtibial-implants-in-patients-with-peripheral-vascular-disease-a-multicenter-case-series-of-5-patients-with-1-year-follow-up
#11
Robin Atallah, Jiao Jiao Li, William Lu, Ruud Leijendekkers, Jan Paul Frölke, Munjed Al Muderis
BACKGROUND: Osseointegration is an alternative treatment for amputees who are unable to wear or have difficulty wearing a socket prosthesis. Although the majority of limb amputations are due to vascular disease, such amputations have been perceived as a contraindication to osseointegration surgery. We report the outcomes of osseointegrated reconstruction in a series of 5 patients with limb amputation due to peripheral vascular disease. METHODS: Five patients with transtibial amputation and a history of peripheral vascular disease who received an osseointegration implant from 2014 to 2015 were followed for 12 months...
September 20, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28925651/exercise-stress-testing-indications-and-common-questions
#12
Kathryn K Garner, William Pomeroy, James J Arnold
Exercise stress testing is a validated diagnostic test for coronary artery disease in symptomatic patients, and is used in the evaluation of patients with known cardiac disease. Testing of asymptomatic patients is generally not indicated. It may be performed in select deconditioned adults before starting a vigorous exercise program, but no studies have compared outcomes from preexercise testing vs. encouraging light exercise with gradual increases in exertion. Preoperative exercise stress testing is helpful for risk stratification in patients undergoing vascular surgery or who have active cardiac symptoms before undergoing nonemergent noncardiac surgery...
September 1, 2017: American Family Physician
https://www.readbyqxmd.com/read/28924069/-a-case-of-transoral-penetrating-head-injury-from-a-crossbow-fired-arrow
#13
Naoto Nakamura, Yuichi Fujita, Satoshi Nakamizo, Yoshio Sakagami, Ken Okazaki, Kouta Kida
Penetrating head injuries are extremely rare in Japan. The authors describe a case involving a penetrating head injury from an arrow fired from a crossbow. A 52-year-old man who had shot himself transorally in a suicide attempt was admitted to the authors' hospital. On admission, he was conscious and exhibited no neurological deficits. The end of the arrow was visible inside his oral cavity. Computed tomography revealed the arrow had penetrated the right cerebellum and occipital lobe, resulting in a very small hematoma...
September 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28922881/intraoperative-flow-800-analysis-for-intramedullary-cystic-lesion-a-technical-case-report
#14
Masahiro Sawada, Toshihiro Munemitsu, Masato Hojo
BACKGROUND AND IMPORTANCE: During intramedullary lesion surgery, the lesion site and the posterior median sulcus (PMS) should be accurately identified prior to myelotomy to avoid severe injury of the posterior funiculus. However, intramedullary lesions are fundamentally invisible until the myelotomy is performed. Furthermore, the PMS location is frequently unclear due to lesion-induced swelling or distortion of the spinal cord. Intraoperative indocyanine green videoangiography (ICG-VA) followed by FLOW 800 analysis, which shows vascularization of the spinal parenchyma, may provide a solution for these problems in specific cases...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922462/vaginal-mesh-repair-systems-for-pelvic-organ-prolapse-anatomical-study-comparing-transobturator-trangluteal-versus-single-incision-techniques
#15
Giuseppe Campagna, Giovanni Panico, Andrea Morciano, Pierre Gadonneix, Vincent Delmas, Mauro Cervigni, Alfredo Ercoli, Giovanni Scambia
INTRODUCTION: The present study aim to compare the anatomic landmarks of two pelvic floor repair systems, in order to identify the potential neurovascular lesions related to different mesh fixation techniques. METHODS: Abdominal and perineal dissections of 10 fresh cadavers after prolapse surgery using transobturator/transgluteal versus single incision techniques. Neuro-vascular structures of obturator region and perineum were isolated. Distances between needles and anatomical structures were measured...
September 18, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28921939/extreme-hepatic-resections-for-the-treatment-of-advanced-hepatoblastoma-are-planned-close-margins-an-acceptable-approach
#16
Adriana Fonseca, Abha Gupta, Furqan Shaikh, Raveena Ramphal, Vicky Ng, Ian McGilvray, J Ted Gerstle
BACKGROUND: Orthotopic liver transplantation (OLT) is considered the standard for children with hepatoblastoma (HB) in whom complete surgical resection is not possible. However, OLT is not always available or feasible. OBJECTIVE: To describe the outcome of children with HB who were initially deemed unresectable and underwent complex hepatectomy with planned close margins, and ultimately avoided OLT. METHODS: Demographic data, surgical and pathologic details, and survival information were collected from children treated for HB between January 2010 to December 2015...
September 17, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28919267/post-carotid-endarterectomy-hypertension-part-2-association-with-peri-operative-clinical-anaesthetic-and-transcranial-doppler-derived-parameters
#17
Jeremy E Newman, Mathew J Bown, Robert D Sayers, Jonathan P Thompson, Thompson G Robinson, Bryan Williams, Ronney Panerai, Peter Lacy, A Ross Naylor
OBJECTIVE/BACKGROUND: The first paper in this series observed that pre-operative baroreceptor dysfunction and poorly controlled hypertension were independently predictive for identifying patients who went on to require treatment for post-endarterectomy hypertension (PEH). The second paper examines the influence of intra-operative patient, transcranial Doppler (TCD) ultrasound, and anaesthetic variables on the incidence of PEH. METHODS: In total, 106 patients underwent carotid endarterectomy (CEA) under general anaesthesia...
September 14, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28918999/diagnosis-of-ehlers-danlos-syndrome-after-a-first-shoulder-dislocation
#18
Geoffroy Nourissat, Marie Vigan, Claude Hamonet, Levon Doursounian, Julien Deranlot
BACKGROUND: Shoulder dislocation is often the first symptom of Ehlers-Danlos syndrome (EDS). Whether it occurs in early-onset EDS is unknown. In most cases, surgical failure leads to the diagnosis. We aimed to determine whether clinical symptoms can signal the presence of EDS at a first dislocation. MATERIALS AND METHODS: In this retrospective study, we analyzed clinical and radiologic data for 27 patients with EDS and shoulder instability and a control population of 40 consecutive non-EDS patients undergoing surgery for an unstable shoulder...
September 14, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28918295/case-report-primary-aortosigmoid-fistula-a-rare-cause-of-lower-gastrointestinal-bleeding
#19
Chirin Khalaf, Kim C Houlind
INTRODUCTION: A primary aortoenteric fistula (PAEF) is a communication between aorta and the gastrointestinal tract. It is a rare condition that is difficult to diagnose and therefore associated with a high mortality. PRESENTATION OF CASE: We report a rare case of a 66-year old man with an unstable bleeding PAEF. A salvage procedure was performed with a covered stent. Later, a sigmoidectomy was performed with resection of the fistula. Postoperatively, the patient suffered an infection that was treated well with antibiotics and he was discharged two weeks later with complete resolution of the fistula...
September 2, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28917288/intraoperative-imaging-for-vascular-lesions
#20
REVIEW
Vance L Fredrickson, Jonathan J Russin, Ben A Strickland, Joshua Bakhsheshian, Arun P Amar
Neurovascular surgery is a broad and challenging, yet exciting field within neurologic surgery. The neurovascular surgeon must be meticulous; because the brain and spinal cord are unforgiving to ischemic insults. Along with the pressures of this demanding subspecialty comes the potential to help patients recover from potentially devastating pathology to go on and lead normal, healthy lives. Several intraoperative imaging modalities are available to help maximize treatment success while reducing risk. This article reviews each of these modalities, including digital subtraction angiography, fluorescence angiography, Doppler ultrasonography, laser Doppler, laser speckle contrast imaging, neuronavigation, and neuroendoscopy...
October 2017: Neurosurgery Clinics of North America
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