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https://www.readbyqxmd.com/read/28230922/adipose-derived-aldehyde-dehydrogenase-expressing-cells-promote-dermal-regenerative-potential-with-collagen-glycosaminoglycan-scaffold
#1
Hajime Matsumine, Kazuyuki Numakura, Satoshi Tsunoda, Huan Wang, Rui Matsumine, Mihail Climov, Giorgio Giatsidis, Vikas P Sukhatme, Dennis P Orgill
Aldehyde dehydrogenase (ALDH) is an enzyme that plays an important role in retinoid metabolism and highly expressed in stem cells. This study isolated ALDH-expressing cells from subcutaneous adipose tissue and investigated their potential to enhance healing in a full-thickness skin wound in rats by co-implanting them with collagen-glycosaminoglycan (c-GAG) scaffolds. ALDH-positive cells were isolated by a fluorescence-activated cell sorting technique from Lewis rat's stromal-vascular-fraction (SVF) and transplanted with c-GAG scaffolds in a rat full-thickness skin wound model...
November 7, 2016: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/28230773/programmed-death-ligand-1-pd-l1-tumor-expression-is-associated-with-a-better-prognosis-and-diabetic-disease-in-triple-negative-breast-cancer-patients
#2
Gerardo Botti, Francesca Collina, Giosuè Scognamiglio, Federica Rao, Valentina Peluso, Rossella De Cecio, Michela Piezzo, Gabriella Landi, Michelino De Laurentiis, Monica Cantile, Maurizio Di Bonito
Triple Negative Breast Cancers (TNBC) subtype is an aggressive disease with poor clinical outcome. The only treatment available is surgery followed by chemotherapy or radiotherapy. Programmed death-ligand 1 (PD-L1) is a trans-membrane protein expressed on a wide variety of cells including immune cells, epithelial and vascular endothelial cells. Recently, PD-1/PD-L1 pathway signaling was described as an adaptive immune resistance mechanism enacted by the tumor cells to evade the immune response. Its presence on tumor cell membranes, acquired for this reason, through time, is an important prognostic value...
February 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28230629/point-of-injury-tourniquet-application-during-operation-protective-edge-what-de-we-learn
#3
Amir Shlaifer, Avraham Yitzhak, Erez N Baruch, Avi Shina, Alexandra Satanovsky, Amiram Shovali, Ofer Almog, Elon Glassberg
BACKGROUND: Hemorrhage is a leading cause of preventable death on the battlefield. Timely tourniquet application to massively bleeding extremity wounds is critical for casualty survival albeit with reported adverse effects to extremity integrity. The aim of this study was to describe the immediate and short term outcomes of point of injury (POI) tourniquet applications during 'Operation Protective Edge' (OPE). METHODS: A case series study regarding tourniquet application at the POI during OPE was collected...
February 23, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28229371/overall-survival-and-metastasis-resections-in-patients-with-metastatic-colorectal-cancer-using-electronic-medical-records
#4
Eetu Heervä, Maija Lavonius, Panu Jaakkola, Heikki Minn, Raija Ristamäki
PURPOSE: Treatment for patients with metastatic colorectal cancer is chemotherapy commonly combined with monoclonal antibodies against vascular endothelial growth factor (bevacizumab) or epidermal growth factor receptor (cetuximab or panitumumab), the efficacy of which has been proven in randomized controlled trials. The objective of the current retrospective study was to analyze the impact of targeted therapy, adverse events, and dose reduction on overall survival (OS) and metastasis resection rates...
February 23, 2017: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/28229210/robotic-kidney-transplantation-one-year-after-the-beginning
#5
Alberto Breda, Angelo Territo, Lluis Gausa, Oscar Rodríguez-Faba, Jorge Caffaratti, Javier Ponce de León, Lluis Guirado, Carme Facundo, Marco Guazzieri, Andrea Guttilla, Humberto Villavicencio
INTRODUCTION: Kidney transplantation (KT) is the preferred treatment for patients with end-stage renal disease (ESRD). To reduce the morbidity of the open surgery, a robotic-assisted approach has been recently introduced. Our aim is to evaluate surgical and functional results on 17 cases of robotic-assisted kidney transplantation (RAKT) performed at the same institution. MATERIALS AND METHODS: From July 2015 to June 2016, we performed 17 cases of RAKT from living donors in pre-emptive patients, who underwent laparoscopic nephrectomy...
February 22, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28228369/feasibility-of-implementing-a-patient-centered-postoperative-wound-monitoring-program-using-smartphone-images-a-pilot-protocol
#6
Sara Fernandes-Taylor, Rebecca L Gunter, Kyla M Bennett, Lola Awoyinka, Shahrose Rahman, Caprice C Greenberg, K Craig Kent
BACKGROUND: Surgical site infections (SSI) represent a significant public health problem as the most common nosocomial infection and a leading cause of unplanned hospital readmissions among surgical patients. Many develop following hospital discharge and often go unrecognized by patients. Telemedicine offers the opportunity to leverage the mobile technology to remotely monitor wound recovery in the transitional period between hospital discharge and routine clinic follow-up. However, many existing telemedicine platforms are episodic, replacing routine follow-up, rather than equipped for continued monitoring; they include only low-risk patient populations and those who already have access to and comfort with the necessary technology; and transmit no visual information...
February 22, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28226353/-comparison-of-complications-following-open-laparoscopic-and-robotic-gastrectomy
#7
Xin Lan, Hongqing Xi, Kecheng Zhang, Jianxin Cui, Mingsen Li, Lin Chen
OBJECTIVE: To compare clinically relevant postoperative complications after open, laparoscopic, and robotic gastrectomy for gastric cancer. METHODS: Clinical data of patients with gastric cancer who underwent gastrectomy between January 1, 2014 and October 1, 2016 at Chinese People's Liberation Army General Hospital were analyzed retrospectively. All the patients were diagnosed by upper endoscopy and confirmed by biopsy without distant metastasis. They were confirmed with R0 resection by postoperative pathology...
February 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28224951/review-of-article-coadministration-of-adipose-derived-stem-cells-and-control-released-basic-fibroblast-growth-factor-facilitates-angiogenesis-in-a-murine-ischemic-hind-limb-model-by-horikoshi-ishihara-tobita-tajima-et%C3%A2-al-journal-of-vascular-surgery-12-2016
#8
https://www.readbyqxmd.com/read/28224216/vascular-surgery-the-main-risk-factor-for-mortality-in-146-takayasu-arteritis-patients
#9
Nilton Salles Rosa Neto, Samuel Katsuyuki Shinjo, Maurício Levy-Neto, Rosa Maria Rodrigues Pereira
Takayasu arteritis (TA) is an idiopathic chronic inflammatory disease that affects the aorta and its main branches. According to disease involvement, patients may require surgical treatment mainly due ischemic lesions in association with medical therapy. We evaluated the impact of vascular interventions in a cohort of TA patients. Medical records from 146 TA patients were reviewed. Clinical features, medical, and surgical treatment were revised and disease activity was determined by clinical, laboratorial, and imaging parameters...
February 21, 2017: Rheumatology International
https://www.readbyqxmd.com/read/28224207/-differentiated-application-of-recommended-guideline-techniques-for-treatment-of-inguinal-hernia
#10
H Niebuhr, M Pawlak, F Köckerling
The new worldwide guidelines of all international hernia societies only recommend the mesh-based methods TEP, TAPP and Lichtenstein. The best mesh-free technique, the Shouldice operation, should only be used if the patient has declined the use of a mesh or no mesh is available. The systematic use of the Shouldice technique for smaller inguinal hernias and younger men should be confined to study settings. A tailored approach should be taken for mesh-based procedures to minimize the risk to patients. Due to lower pain rates the laparoendoscopic techniques TEP and TAPP are the methods of choice for primary male unilateral inguinal hernia...
February 21, 2017: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/28223547/cabozantinib-targets-bone-microenvironment-modulating-human-osteoclast-and-osteoblast-functions
#11
Marco Fioramonti, Daniele Santini, Michele Iuliani, Giulia Ribelli, Paolo Manca, Nicola Papapietro, Filippo Spiezia, Bruno Vincenzi, Vincenzo Denaro, Antonio Russo, Giuseppe Tonini, Francesco Pantano
Cabozantinib, a c-MET and vascular endothelial growth factor receptor 2 inhibitor, demonstrated to prolong progression free survival and improve skeletal disease-related endpoints in castration-resistant prostate cancer and in metastatic renal carcinoma. Our purpose is to investigate the direct effect of cabozantinib on bone microenvironment using a total human model of primary osteoclasts and osteoblasts.Osteoclasts were differentiated from monocytes isolated from healthy donors; osteoblasts were derived from human mesenchymal stem cells obtained from bone fragments of orthopedic surgery patients...
February 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28222991/perioperative-clopidogrel-is-associated-with-increased-bleeding-and-blood-transfusion-at-the-time-of-lower-extremity-bypass
#12
Douglas W Jones, Marc L Schermerhorn, Benjamin S Brooke, Mark F Conrad, Philip P Goodney, Mark C Wyers, David H Stone
OBJECTIVE: Controversy persists surrounding the perceived bleeding risk associated with perioperative clopidogrel use in patients undergoing lower extremity bypass (LEB). The purpose of this study was to examine the LEB bleeding risk and clinical sequelae associated with clopidogrel. METHODS: All LEBs in the Vascular Quality Initiative (VQI) from 2008 to 2014 were studied. The exposure was perioperative clopidogrel. Primary outcomes were blood transfusion, estimated blood loss ≥500 mL, and reoperation for bleeding...
February 17, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28222989/a-pilot-study-for-long-term-outcome-assessment-after-aortic%C3%A2-aneurysm-repair-using-vascular-quality-initiative-data%C3%A2-matched-to-medicare-claims
#13
Andrew W Hoel, Adrienne E Faerber, Kayla O Moore, Niveditta Ramkumar, Benjamin S Brooke, Salvatore T Scali, Art Sedrakyan, Philip P Goodney
OBJECTIVE: Accurate and complete long-term postoperative outcome data are critical to improving value in health care delivery. The Society for Vascular Surgery Vascular Quality Initiative (VQI) is an important tool to achieve this goal in vascular surgery. To improve on the capture of long-term outcomes after vascular surgery procedures for patients in the VQI, we sought to match VQI data to Medicare claims for comprehensive capture of major clinical outcomes in the first several years after vascular procedures...
February 17, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28221665/totally-percutaneous-versus-surgical-cut-down-femoral-artery-access-for-elective-bifurcated-abdominal-endovascular-aneurysm-repair
#14
REVIEW
Madelaine Gimzewska, Alexander Ir Jackson, Su Ern Yeoh, Mike Clarke
BACKGROUND: Abdominal aortic aneurysms (AAAs) are a vascular condition with significant risk attached, particularly if they rupture. It is, therefore, critical to identify and repair these as an elective procedure before they rupture and require emergency surgery. Repair has traditionally been an open surgical technique that required a large incision across the abdomen. Endovascular abdominal aortic aneurysm repairs (EVARs) are now a common alternative. In this procedure, the common femoral artery is exposed via a cut-down approach and a graft introduced to the aneurysm in this way...
February 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28221337/modulation-of-digital-flexor-tendon-healing-by-vascular-endothelial-growth-factor-gene-transfection-in-a-chicken-model
#15
W F Mao, Y F Wu, Q Q Yang, Y L Zhou, J B Tang
A major challenge in tendon injury is the weak intrinsic healing capacity of tendon, which may cause re-rupture after surgery. Growth factors are believed to be critical during tendon healing. This study aimed to investigate the effects of vascular endothelial growth factor (VEGF) genes delivered by adeno-associated virus (AAV) vectors on tendon healing and molecular events involved in a chicken model. One hundred and twenty eight deep flexor tendons in the long toes of chickens were completely transected and injected with 2 × 10(9) particles of AAV2-VEGF or saline before surgically repaired...
February 21, 2017: Gene Therapy
https://www.readbyqxmd.com/read/28221330/comparison-of-anterior-segment-optical-coherence-tomography-bleb-grading-moorfields-bleb-grading-system-and-intraocular-pressure-after-trabeculectomy
#16
Joanne C Wen, Sandra S Stinnett, Sanjay Asrani
PURPOSE: To compare a novel anterior segment optical coherence tomography (AS-OCT) bleb grading system with a clinical bleb grading system and both with intraocular pressure (IOP) following trabeculectomy surgery. MATERIALS AND METHODS: A novel AS-OCT grading system based on bleb size and internal reflectivity was developed. An imaging center was tasked with masked grading of AS-OCT images acquired by multiple surgical sites at postoperative week (POW) 2, postoperative month (POM) 4, 6, and 12, respectively...
February 17, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28221195/brain-perfusion-before-and-after-surgical-treatment-of-moyamoya-disease
#17
Clément Drouet, Olivier Morel, Laurent Thines, Clémence Porot, Hatem Boulahdour
Moyamoya disease is characterized by bilateral progressive terminal internal carotid arteries steno-occlusion. In this patient, the disease affected middle cerebral arteries and was disclosed after a left frontal cerebral infarction. Brain HMPAO perfusion scintigraphy with acetazolamide challenge, obtained before surgical treatment, demonstrates an extended bilateral frontal hypoperfusion with a vascular steal phenomenon. The same examination obtained after surgical treatment demonstrates a frank improvement in basal brain vascularization, with nearly complete correction of vascular steal phenomenon...
February 17, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28220599/identification-of-laminin-%C3%AE-5-short-arm-peptides-active-for-endothelial-cell-attachment-and-tube-formation
#18
Yamato Kikkawa, Yumika Sugawara, Nozomi Harashima, Shogo Fujii, Kazuki Ikari, Jun Kumai, Fumihiko Katagiri, Kentaro Hozumi, Motoyoshi Nomizu
Laminin-511, a major component of endothelial basement membrane, consists of α5, β1, and γ1 chains. The short arm region of the α5 chain is a structural feature of endothelial laminins. In this study, we identified active sequences for human umbilical vein endothelial cells (HUVECs) using recombinant proteins and synthetic peptides. The short arm of the α5 chain contains three globular domains [laminin N-terminal globular domain, laminin 4 domain a, and laminin 4 domain b (LN, L4a, and L4b)] and three rod-like elements [laminin epidermal growth factor-like domain a, b, and c (LEa, LEb, and LEc)]...
February 21, 2017: Journal of Peptide Science: An Official Publication of the European Peptide Society
https://www.readbyqxmd.com/read/28220199/-novel-pharmaceutical-treatment-approaches-for-gastric-cancer
#19
F Lordick
This review article delineates novel approaches for the pharmaceutical treatment of gastric cancer. A newly developed molecular classification of gastric cancer based on histology, genetic, epigenetic and proteomic characteristics has evolved. It provides a road map for development of new drugs and combinations as well as for patient stratification in clinical research and it is expected to be introduced into clinical practice in the near future. Anti-HER2 targeted treatment is a validated strategy for treatment of metastatic gastric cancer and is now also being studied in the perioperative setting to increase response rates and ultimately survival in patients undergoing curative surgery; however, the resistance mechanisms of HER2-targeted treatment are poorly understood and optimal patient selection remains challenging...
February 20, 2017: Der Pathologe
https://www.readbyqxmd.com/read/28219308/perceived-risk-factors-for-nonunion-following-foot-and-ankle-arthrodesis
#20
Gowreeson Thevendran, Kalpesh Shah, Stephen J Pinney, Alastair Se Younger
BACKGROUND: A major complication of foot and ankle arthrodesis is nonunion, which occurs in approximately 12% of cases. Various factors influence a patient's risk for nonunion following foot and ankle arthrodesis. We surveyed international foot and ankle surgeons to determine (1) risk factors perceived most important for nonunion, (2) factors considered absolute contraindications for arthrodesis, and (3) differences among expert groups regarding perceived risk factors and their stratification...
January 2017: Journal of Orthopaedic Surgery
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