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https://www.readbyqxmd.com/read/28651099/brain-shift-compensation-using-intraoperative-ultrasound-and-constraint-based-biomechanical-simulation
#1
Fanny Morin, Hadrien Courtecuisse, Ingerid Reinertsen, Florian Le Lann, Olivier Palombi, Yohan Payan, Matthieu Chabanas
PURPOSE: During brain tumor surgery, planning and guidance are based on preoperative images which do not account for brain-shift. However, this deformation is a major source of error in image-guided neurosurgery and affects the accuracy of the procedure. In this paper, we present a constraint-based biomechanical simulation method to compensate for craniotomy-induced brain-shift that integrates the deformations of the blood vessels and cortical surface, using a single intraoperative ultrasound acquisition...
June 15, 2017: Medical Image Analysis
https://www.readbyqxmd.com/read/28649479/functional-outcomes-of-childhood-selective-dorsal-rhizotomy-20-to-28-years-later
#2
T S Park, Jenny L Liu, Caleb Edwards, Deanna M Walter, Matthew B Dobbs
BACKGROUND: Selective dorsal rhizotomy (SDR) is a surgical method used to treat childhood spastic cerebral palsy (CP). However, the effects of early SDR on functional outcomes and quality of life decades later in adulthood remains to be elucidated. OBJECTIVES: To evaluate the long-term outcomes in terms of satisfaction and mobility of adult patients who received childhood SDR. METHODS: Adult patients who received SDR in childhood were surveyed...
May 17, 2017: Curēus
https://www.readbyqxmd.com/read/28647798/a-new-model-for-biofilm-formation-and-inflammatory-tissue-reaction-intraoperative-infection-of-a-cranial-implant-with-staphylococcus-aureus-in-rats
#3
Silke Glage, Silke Paret, Andreas Winkel, Meike Stiesch, André Bleich, Joachim K Krauss, Kerstin Schwabe
BACKGROUND: Implant failure is a severe and frequent adverse event in all areas of neurosurgery. It often involves infection with biofilm formation, accompanied by inflammation of surrounding tissue, including the brain, and bone loss. The most common bacteria involved are Staphylococcus aureus. We here test whether intraoperative infection of intracranial screws with Staphylococcus aureus would lead to biofilm formation and inflammatory tissue reaction in rats. METHODS: Two titanium screws were implanted in the cranium of Sprague-Dawley rats, anesthetized with xylazine (4 mg/kg) and ketamine (75 mg/kg)...
June 25, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28647623/proximal-femoral-osteosarcoma-diagnostic-challenges-translate-into-delayed-and-inappropriate-management
#4
M Dahan, P Anract, A Babinet, F Larousserie, D Biau
BACKGROUND: The proximal femuris an uncommon site of osteosarcoma. The unusual manifestations at this site may lead to diagnostic and therapeutic mistakes. We therefore performed a retrospective studyto estimate the proportions of patients with imaging study findings and/or clinical manifestations typical for osteosarcoma and/or inappropriate treatment decisions. HYPOTHESIS: Proximal femoral osteosarcoma often produces atypical clinical and radiological presentations...
June 21, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28645454/uterine-diverticulum-with-fetal-leg-entrapment-a-case-report
#5
Nirmala Chandrasekaran, Mark H Yudin, Howard Berger
BACKGROUND: Uterine anomalies causing fetal complications are very rarely encountered in obstetric practice and thus pose a diagnostic dilemma. CASE: A multigravid patient attended the clinic for an ultrasound examination in the third trimester following a recent hospital admission for abdominal pain. Ultrasound imaging revealed a large uterine diverticulum in the right cornu of the uterus with evidence of fetal leg entrapment. Because of concerns of increased soft tissue edema in the entrapped leg, the patient was delivered at 35 weeks' gestation by elective CS...
June 20, 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28644076/a-novel-surgical-approach-to-avian-femorotibiotarsal-luxation-repair
#6
Anna E McRee, Thomas N Tully, Javier G Nevarez, Julia Sumner, Anderson Favero da Cunha
A 3-month-old male umbrella cockatoo (Cacatua alba) was presented because of acute non-weight-bearing lameness of the right leg. Marked soft tissue swelling was present around the femorotibiotarsal (stifle) joint, and the radiographic diagnosis was right medial femorotibiotarsal subluxation. Surgical management was elected, and the stifle joint was approached via a lateral parapatellar incision. Joint exploration revealed damage to the lateral meniscus, tendon of origin of the cranial tibial muscle, and cranial cruciate ligament...
June 2017: Journal of Avian Medicine and Surgery
https://www.readbyqxmd.com/read/28643824/-perioral-treatment-options-in-cosmetic-facial-surgery
#7
F Bierenbroodspot, H J Schouten, R H Schepers, J Jansma
The perioral region is unique and important in the face, both from a functional and an aesthetic point of view. There is a strong relationship between the perioral soft tissues, such as the lips and the corners of the mouth, and the underlying dentition and the jaws. Perioral ageing phenomena, such as depressed corners of the mouth, volume loss and wrinkles, can be improved, however, to a limited extent with intraoral treatment. These ageing phenomena can usually be treated more effectively with several extraoral treatment modalities that also enhance perioral aesthetics...
June 2017: Nederlands Tijdschrift Voor Tandheelkunde
https://www.readbyqxmd.com/read/28642191/new-aspects-in-free-flap-surgery-mini-perforator-flaps-and-extracorporeal-flap-perfusion
#8
Klaus-Dietrich Wolff
BACKGROUND: The scope of microvascular tissue transfer in the Head and Neck reaches from coverage of simple soft tissue defects to complex 3-D reconstructions using multiple or chimeric flaps. This paper summarises the presentation given at the Congress of the French Society of Oral and Maxillofacial Surgery in Marseille 2017. It was the aim of our work to add further elements to this wide spectrum of reconstructive possibilities. METHODS: For patients with small intraoral soft tissue defects in whom the use of a radial forearm flap would not be justified because of its donor site morbidity, but who nevertheless would take a benefit from a small free flap, we used mini-perforator flaps from the lower leg...
June 19, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28640064/predictors-of-local-recurrence-in-patients-with-myxofibrosarcoma
#9
Bismarck Odei, Jean-Claude Rwigema, Frederick R Eilber, Fritz C Eilber, Michael Selch, Arun Singh, Bartosz Chmielowski, Scott D Nelson, Pin-Chieh Wang, Michael Steinberg, Mitchell Kamrava
OBJECTIVES: Myxofibrosarcoma (MFS) is reported to have a higher risk of local recurrence (LR) following definitive surgical excision relative to other soft tissue sarcomas. We reviewed our clinical experience treating MFS to investigate predictors of LR. MATERIALS AND METHODS: We retrospectively reviewed treatment outcomes for MFS patients treated at our institution between 1999 and 2015. A total of 52 patients were identified. Median age was 65 years (range, 21 to 86 y)...
June 20, 2017: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28638971/longer-duration-of-operative-time-enhances-healing-metabolites-and-improves-patient-outcome-after-achilles-tendon-rupture-surgery
#10
Simon Svedman, Olof Westin, Susanna Aufwerber, Gunnar Edman, Katarina Nilsson-Helander, Michael R Carmont, Jón Karlsson, Paul W Ackermann
PURPOSE: The relationship between the duration of operative time (DOT), healing response and patient outcome has not been previously investigated. An enhanced healing response related to DOT may potentiate repair processes, especially in hypovascular and sparsely metabolized musculoskeletal tissues such as tendons. This study aimed to investigate the association between DOT and the metabolic healing response, patient-reported outcome and the rate of post-operative complications after acute Achilles tendon injury...
June 21, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28638931/-operative-techniques-and-results-of-tibial-pilon-fractures
#11
REVIEW
R Rotter, P Gierer
BACKGROUND: The anatomical reconstruction of tibial pilon fractures is a major challenge with respect to preoperative planning, time management and the intraoperative procedure. OBJECTIVE: Presentation of the various surgical procedures available and the clinical outcome. MATERIAL AND METHODS: The established open reduction and internal plate fixation procedures form the basis for new minimally invasive treatment concepts. The current results of comparative studies and basic literature are discussed...
June 21, 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/28638676/utilization-of-longitudinal-ultrasound-to-quantify-joint-soft-tissue-changes-in-a-mouse-model-of-posttraumatic-osteoarthritis
#12
Hao Xu, Echoe M Bouta, Ronald W Wood, Edward M Schwarz, Yongjun Wang, Lianping Xing
To assess the utility of longitudinal ultrasound (US) to quantify volumetric changes in joint soft tissues during the progression of posttraumatic osteoarthritis (PTOA) in mice, and validate the US results with histological findings. A longitudinal cohort of 3-month-old wild-type C57BL/6 male mice received the Hulth-Telhag surgical procedure on right knee to induce PTOA, and sham surgery on their left knee as control. US scans were performed on both knees before, 2, 4, 6, and 8 weeks post-surgery. Joint space volume and Power-Doppler (PD) volume were obtained from US images via Amira software...
2017: Bone Research
https://www.readbyqxmd.com/read/28638562/a-rare-case-of-oral-multisystem-langerhans-cell-histiocytosis
#13
Maria-Teresa Facciolo, Francesco Riva, Patrizia Gallenzi, Romeo Patini, Domenico Gaglioti
Langerhans cell histiocytosis (LCH) is a rare disorder characterized by high proliferation of Langerhans dendritic cells. LCH is a solitary or multifocal disease that primarily involves bone tissue and often affects children and young men. A 29 years-old Caucasian man was referred to the Oral Surgery Unit of George Eastman Hospital - Umberto I teaching hospital, with third degree mobility of teeth belonging to second, third and fourth quadrant. Panoramic radiograph showed multiple radiolucent areas with well demarcated borders on the right and left site of the mandible and on the left site of the maxilla...
June 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28637274/association-of-bariatric-surgery-with-risk-of-infectious-diseases-a-self-controlled-case-series-analysis
#14
Tadahiro Goto, Atsushi Hirayama, Mohammad Kamal Faridi, Carlos A Camargo, Kohei Hasegawa
Background: Although emerging data demonstrate that obesity is a risk factor for infectious diseases, no study has investigated the relationship of bariatric surgery with the risk of infectious diseases among obese adults. Methods: We conducted a self-controlled case series analysis using data from the State Emergency Department Database and State Inpatient Database of three US states (California, Florida, and Nebraska) from 2005 through 2011. We included obese adults who underwent bariatric surgery as an instrument of weight reduction...
June 16, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28637066/-surgery-for-pulmonary-metastases-in-patients-with-advanced-soft-tissue-and-osteosarcomas
#15
Sascha Macherey, Khosro Hekmat, Kourosh Zarghooni, Fabian Doerr, Matthias Heldwein, Thorsten Wahlers
Background Advanced soft tissue or osteosarcoma is often associated with lung metastases. Curative pulmonary metastasectomy is appropriate for patients with successfully resected primary cancer who show no evidence of extrapulmonary metastases, with proven functional operability and completely resectable metastases. Material and Methods Systematic literature research and qualitative analysis of studies on patients undergoing lung metastasectomy after resection of primary sarcoma published since 01.01.2010. We assessed operative findings, survival data and prognostic factors...
June 21, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28634566/adhesive-enhanced-sternal-closure-feasibility-and-safety-of-late-sternal-reentry
#16
Aaron J Spooner, Holly E M Mewhort, Lisa M DiFrancesco, Paul W M Fedak
This clinical case report describes sternal reentry performed years after adhesive-enhanced sternal closure using Kryptonite bone cement. This report provides novel data on the late effects of this innovation. We observed that sternal reentry is feasible and safe. The adhesive did not weaken from biodegradation over a period of several years. There was no evidence of adherence to adjacent soft tissues or other nonbony deep mediastinal structures. Surgeons who receive patients who require redoing cardiac surgery after adhesive-enhanced closure with Kryptonite can be reassured that sternal reentry is safe and feasible...
2017: Case Reports in Surgery
https://www.readbyqxmd.com/read/28632948/nodular-cutaneous-amyloidoma-of-the-extremity-secondary-to-chronic-granulomatous-inflammation-in-setting-of-sarcoidosis
#17
Victoria Billero, Audrey A Jacobsen, Mariya I Miteva, Adam J Wulkan, Claudio Marasca, Roanelli Paolo
Soft tissue amyloidoma is a rare condition that presents primarily in the abdomen and/or mediastinum and more uncommonly on the extremities(1) . Soft tissue amyloidomas on the extremities have been associated with chronic inflammation, particularly when accompanied by AA-type amyloid deposition as seen in local trauma, surgery, hypertension, and diabetes(2) . To our knowledge, this is the first reported case of nodular cutaneous amyloidoma in the setting of systemic and cutaneous sarcoidosis. A 65-year-old woman presented with an asymptomatic subcutaneous nodule above her left lateral malleolus...
June 20, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28632547/a-less-invasive-retroperitoneal-lumbar-approach-animal-feasibility-study-and-primary-clinical-study
#18
Yu Qian, Zhen Lin, Cong Jin, Xing Zhao, Minghao Zheng
STUDY DESIGN: Surgical approach development in an animal model, and a prospective study comparing clinical outcomes between novel and conventional approaches in thoracolumbar burst fracture fixation. OBJECTIVE: To investigate the feasibility of a less-invasive retroperitoneal approach to the lumbar spine in a sheep model and to compare the clinical outcomes of anterior reconstruction in the treatment of thoracolumbar burst fractures using novel and conventional approaches...
July 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28630851/vacuum-assisted-closure-in-patients-with-post-operative-infections-after-instrumented-spine-surgery-a-series-of-12-cases
#19
Maya Kale, Pravin Padalkar, Varshil Mehta
INTRODUCTION: Post-operative wound infections after spinal surgery is a very serious problem, leading to a risk of significant morbidity which may even lead to prolonged hospitalization. Various treatment protocols have been recommended for debridement, antibiotic, and soft-tissue management, but with mixed results. However, the risk of morbidity is still high with these treatment options. Vacuum-assisted closure (VAC) system has been gaining popularity recently in the management of subacute, acute, and chronic wounds...
January 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28630763/malignant-tumours-of-the-foot-and-ankle
#20
E Mascard, N Gaspar, L Brugières, C Glorion, S Pannier, A Gomez-Brouchet
Most of tumours of the foot are tumour-like (synovial cyst, foreign body reactions and epidermal inclusion cyst) or benign conditions (tenosynovial giant cells tumours, planta fibromatosis). Malignant tumours of the soft-tissue and skeleton are very rare in the foot and their diagnosis is often delayed with referral to specialised teams after initial inappropriate procedures or unplanned excisions. The adverse effect of these misdiagnosed tumours is the increasing rate of amputation or local recurrences in the involved patients...
May 2017: EFORT open reviews
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