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https://www.readbyqxmd.com/read/29667013/predictors-of-paravalvular-regurgitation-and-permanent-pacemaker-implantation-after-tavr-with-a-next-generation-self-expanding-device
#1
Victor Mauri, Florian Deuschl, Thomas Frohn, Niklas Schofer, Matthias Linder, Elmar Kuhn, Andreas Schaefer, Volker Rudolph, Navid Madershahian, Lenard Conradi, Tanja K Rudolph, Ulrich Schäfer
AIMS: To identify predictors of paravalvular regurgitation (PVR) and permanent pacemaker implantation (PPI) following TAVR with a next-generation self-expanding device. METHODS AND RESULTS: Device landing zone (DLZ) calcification, angiographic implantation depth, and baseline and procedural characteristics were analyzed in 212 patients being treated with the ACURATE neo aortic bioprosthesis. PVR was none/trace in 57.1% and ≥ mild in 42.9% (37% mild, 6% moderate)...
April 17, 2018: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/29666520/identification-and-characterization-of-bioactive-phenolic-constituents-anti-proliferative-and-anti-angiogenic-activity-of-stem-extracts-of-basella-alba-and-rubra
#2
B Ramesh Kumar, Apoorva Anupam, Padmavati Manchikanti, Arun Prabhu Rameshbabu, Swagata Dasgupta, Santanu Dhara
Basella is an important green leafy vegetable species of Chenopodiaceae family and is known for its medicinal properties. Hydroxy-benzoic acids, hydroxy-cinnamic acids and flavones groups were identified and characterized from the aqueous stem extracts of B. alba and B. rubra species. Higher values of phenolics as well as antioxidant activity were noted from B. alba species extracts. The evaluation of the cytoxicity of these extracts on A431 (epidermoid carcinoma), Hep G2 (hepatocellular carcinoma) and MG 63 (osteosarcoma) cells indicated anti-proliferative activity against all the cell lines...
May 2018: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/29665602/the-use-of-bioactive-glass-s53p4-as-bone-graft-substitute-in-the-treatment-of-chronic-osteomyelitis-and-infected-non-unions-a-retrospective-study-of-50-patients
#3
Tarek Al Malat, Martin Glombitza, Janosch Dahmen, Peter-Michael Hax, Eva Steinhausen
BACKGROUND: Treatment of chronic osteomyelitis (COM) remains challenging and often results in large bone defects. Dead space management and proper defect filling are essential for successful treatment. Bioactive glass S53P4 (BAG-S53P4) is an anorganic bone graft substitute with antibacterial, osteoconductive, osteostimulative and angiogenic properties. The aim of our study was to analyse the outcome of patients with COM and infected non-unions, whose bone defects were filled with BAG-S53P4...
April 2018: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/29665014/stable-isotopic-evidence-for-land-use-patterns-in-the-middle-euphrates-valley-syria
#4
Arkadiusz Sołtysiak, Holger Schutkowski
OBJECTIVES: Stable carbon and nitrogen isotope ratios (δ13 C and δ15 N) were used to reconstruct the history of subsistence strategies in the middle Euphrates valley, NE Syria, in six temporal subsets dating from the Early Bronze Age (c. 2300 BCE) to the Modern period (19th/20th century CE). The study aims to demonstrate that changes in political and social organization over time, for which the archaeological record suggests different goals of land use and modes of production, register through dietary patterns that are reflected in isotopic data...
April 17, 2018: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/29664866/long-term-hearing-outcome-of-canaloplasty-with-partial-ossicular-replacement-in-congenital-aural-atresia
#5
Jungmin Ahn, Gwanghui Ryu, Minwoong Kang, Yang-Sun Cho
OBJECTIVE: The aim of this study was to correlate the postoperative hearing outcomes with regard to the length of prosthesis of the partial ossicular replacement prosthesis (PORP) in patients with congenital aural atresia. STUDY DESIGN: Retrospective review of medical records. SETTING, PATIENTS, INTERVENTION, MAIN OUTCOME MEASURE: The medical records of 131 patients (132 ears) who underwent canaloplasty with PORP by a single surgeon from 2011 to 2016 were reviewed for demographic data, Jahrsdoerfer score, grade of microtia, length of prosthesis, and audiometric outcomes...
April 16, 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29664706/evaluation-of-four-blood-glucose-monitoring-systems-for-self-testing-with-built-in-insulin-dose-advisor-based-on-iso-15197-2013-system-accuracy-and-hematocrit-influence
#6
Nina Jendrike, Annette Baumstark, Stefan Pleus, Christina Liebing, Alexandra Beer, Frank Flacke, Cornelia Haug, Guido Freckmann
BACKGROUND: Self-monitoring of blood glucose (SMBG) is important in diabetes therapy; however, not all SMBG systems are sufficiently accurate. In addition, some SMBG systems are influenced by the user's hematocrit value. METHODS: System accuracy and hematocrit influence was evaluated for four SMBG systems with built-in insulin dose advisors (Accu-Chek® Aviva Expert [1], FreeStyle InsuLinx [2], FreeStyle Precision Neo [3], MyStar DoseCoach® [4]) based on International Organization for Standardization (ISO) 15197:2013 section 6...
April 2018: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/29664551/socio-demographic-and-psychological-determinants-of-exclusive-breastfeeding-after-six-months-postpartum-a-polish-case-cohort-study
#7
Karolina Maria Maliszewska, Mariola Bidzan, Małgorzata Świątkowska-Freund, Krzysztof Preis
OBJECTIVES: The purpose of this study was to explore the socio-demographic and psychological factors connected with exclusive breastfeeding after 6 months postpartum. MATERIAL AND METHODS: A total of 251 women filled in questionnaires in the first week postpartum, then again after 3 and 6 months. The questionnaires included socio-demographic and medical questions, as well as psychological tools: the NEO-FFI Personality Inventory, the Berlin Social Support Scales (BSSS), and the Edinburgh Postnatal Depression Scale (EPDS)...
2018: Ginekologia Polska
https://www.readbyqxmd.com/read/29662490/mtor-at-the-transmitting-and-receiving-ends-in-tumor-immunity
#8
REVIEW
Yakir Guri, Thierry M Nordmann, Jason Roszik
Cancer is a complex disease and a leading cause of death worldwide. Immunity is critical for cancer control. Cancer cells exhibit high mutational rates and therefore altered self or neo-antigens, eliciting an immune response to promote tumor eradication. Failure to mount a proper immune response leads to cancer progression. mTOR signaling controls cellular metabolism, immune cell differentiation, and effector function. Deregulated mTOR signaling in cancer cells modulates the tumor microenvironment, thereby affecting tumor immunity and possibly promoting carcinogenesis...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29658360/hyaluronic-acid-promotes-proliferation-and-migration-of-human-meniscus-cells-via-a-cd44-dependent-mechanism
#9
Tomohiko Murakami, Shuhei Otsuki, Yoshinori Okamoto, Kosuke Nakagawa, Hitoshi Wakama, Nobuhiro Okuno, Masashi Neo
PURPOSE: Treatment of meniscal injury is important for osteoarthritis (OA) prevention. Meniscus cells are divided between inner and outer cells, which have different characteristics and vascularity. We evaluated the effects of hyaluronic acid (HA) on the proliferation and migration of human inner and outer meniscus cells, and investigated the underlying healing mechanisms. MATERIALS AND METHODS: Lateral menisci from 18 patients who underwent total knee arthroplasty were used...
April 15, 2018: Connective Tissue Research
https://www.readbyqxmd.com/read/29655706/rare-presentation-of-intraductal-papillary-neoplasm-of-the-bile-duct-in-a-patient-with-ulcerative-colitis
#10
Vidhyaleha Chandran, Eu Ling Neo, Mohamed Asif Chinnaratha
No abstract text is available yet for this article.
April 12, 2018: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29653204/epha3-maintains-radioresistance-in-head-and-neck-cancers-through-epithelial-mesenchymal-transition
#11
Song Hee Kim, Won Hyeok Lee, Seong Who Kim, Je Hyoung Uk, Jong Cheol Lee, Hyo Won Chang, Young Min Kim, Kyungbin Kim, Sang Yoon Kim, Myung Woul Han
Radiotherapy is a well-established therapeutic modality used in the treatment of many cancers. However, radioresistance remains a serious obstacle to successful treatment. Radioresistance can cause local recurrence and distant metastases in some patients after radiation treatment. Thus, many studies have attempted to identify effective radiosensitizers. Eph receptor functions contribute to tumor development, modulating cell-cell adhesion, invasion, neo-angiogenesis, tumor growth and metastasis. However, the role of EphA3 in radioresistance remains unclear...
April 10, 2018: Cellular Signalling
https://www.readbyqxmd.com/read/29653080/surgical-treatment-of-native-and-prosthetic-aortic-infection-with-xenopericardial-tube-grafts
#12
Maximilian Kreibich, Matthias Siepe, Julia Morlock, Friedhelm Beyersdorf, Stoyan Kondov, Johannes Scheumann, Fabian A Kari, Tim Berger, Holger Schröfel, Bartosz Rylski, Martin Czerny
BACKGROUND: To report our results of surgical treatment of native and prosthetic aortic infection with xenopericardial tube-grafts from the ascending aorta to beyond the bifurcation. METHODS: Within a 28-month period, 20 patients were treated with a bovine self-made pericardial tube graft to replace infected vascular grafts (after conventional surgical aortic replacement or endovascular stentgraft implantation) or to treat a contaminated surgical site. An integrated standardized therapeutic concept was applied in all patients consisting of complete removal of the infected prosthetic material, extensive debridement, and orthotopic vascular reconstruction with self-made tube grafts constructed from a bovine pericardial patch...
April 10, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29651385/clinicopathological-predictors-of-long-term-benefit-in-breast-cancer-treated-with-neoadjuvant-chemotherapy
#13
Marco Galvez, Carlos A Castaneda, Joselyn Sanchez, Miluska Castillo, Lia Pamela Rebaza, Gabriela Calderon, Miguel De La Cruz, Jose Manuel Cotrina, Julio Abugattas, Jorge Dunstan, Henry Guerra, Omar Mejia, Henry L Gomez
AIM: To investigate the survival impact of clinicopathological factors, including pathological complete response (pCR) and tumor-infiltrating lymphocytes (sTIL) levels according to subtypes, in breast cancer (BC) patients who received neo-adjuvant chemotherapy (NAC). METHODS: We evaluated 435 BC patients who presented and received NAC at the Instituto Nacional de Enfermedades Neoplasicas from 2003 to 2014. sTIL was analyzed as the proportion of tumor stroma occupied by lymphocytes, and was prospectively evaluated on hematoxylin and eosin-stained sections of the preNAC core biopsy...
April 10, 2018: World Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29650829/-a-case-of-stage-iv-gastric-cancer-which-showed-pathological-complete-response-after-neo-adjuvant-chemotherapy
#14
Eiichiro Nakao, Rie Ozawa, Mamiko Takii, Nobuaki Kaibe, Yasunori Kurahashi, Tsutomu Oshima, Hirotaka Niwa, Shojiro Kikuchi, Mitsuru Sasako, Hisashi Shinohara
We report a case of Stage IV gastric cancer showing pathological complete response(pCR)after neo-adjuvant chemotherapy( NAC)using S-1 and oxaliplatin(SOX).A woman 73-year-old was diagnosed as harming type 3 Stage IV gastric cancer with para-aortic lymph node(PAN)metastasis.She underwent 4 courses of NAC with SOX regimen.After the treatment, both the primary tumor and the metastatic PAN decreased in size remarkably.She underwent distal gastrectomy with D2 plus PAN dissection with curative intent.Pathological diagnosis revealed complete disappearance of cancer cells in both the primary lesion of the stomach and all dissected lymph nodes, confirming pCR...
April 2018: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29649957/tissue-engineered-neo-urinary-conduit-from-decellularized-trachea
#15
Anirudha Anirudhasingh Gmail Com Singh, David Lee, Harrison Jeong, Christine Yu, Jiuru Li, ChenHao Fang, Praveena Sabnekar, Xiaopu Liu, Takahiro Yoshida, Nikolai Sopko, Trinity Bivalacqua
Decellularized tissues have been increasingly popular for constructing scaffolds for tissue engineering applications due to their beneficial biological compositions and mechanical properties. It is therefore natural to consider decellularized trachea for construction of tissue-engineered trachea as well as other tubular organs. A neo-urinary conduit (NUC) is such a tubular organ that works as a passage for urine removal in bladder cancer patients who need a urinary diversion after their diseased bladder is removed...
April 13, 2018: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/29649293/inducing-cell-death-in-vitro-in-cancer-cells-by-targeted-delivery-of-cytochrome-c-via-a-transferrin-conjugate
#16
Manoj Saxena, Yamixa Delgado, Rohit Kumar Sharma, Shweta Sharma, Solimar Liz Ponce De León Guzmán, Arthur D Tinoco, Kai Griebenow
One of the major drawbacks of many of the currently used cancer drugs are off-target effects. Targeted delivery is one method to minimize such unwanted and detrimental events. To actively target lung cancer cells, we have developed a conjugate of the apoptosis inducing protein cytochrome c with transferrin because the transferrin receptor is overexpressed by many rapidly dividing cancer cells. Cytochrome c and transferrin were cross-linked with a redox sensitive disulfide bond for the intra-cellular release of the protein upon endocytosis by the transferrin receptor...
2018: PloS One
https://www.readbyqxmd.com/read/29644879/the-executioner-s-shadow-coerced-sterilization-and-the-creation-of-latin-eugenics-in-chile
#17
Sarah Walsh
Scholars such as Nancy Leys Stepan, Alexandra Minna Stern, Marius Turda and Aaron Gillette have all argued that the rejection of coerced sterilization was a defining feature of "Latin" eugenic theory and practice. These studies highlight the influence of neo-Lamarckism in this development not only in Latin America but also in parts of Europe in the first half of the twentieth century. This article builds upon this historiographical framework to examine an often-neglected site of Latin American eugenic knowledge production: Chile...
April 1, 2018: History of Science; An Annual Review of Literature, Research and Teaching
https://www.readbyqxmd.com/read/29642625/analysis-of-sociodemographic-psychological-and-genetic-factors-contributing-to-depressive-symptoms-in-pre-peri-and-postmenopausal-women
#18
Elżbieta Grochans, Małgorzata Szkup, Artur Kotwas, Jacek Kopeć, Beata Karakiewicz, Anna Jurczak
Depressive symptoms that are faced by women in the pre-, peri-, and postmenopausal periods are determined by a wide array of sociodemographic, psychological, and biological variables. The aim of our study was to identify factors that contribute to depressive problems at this stage of life. The study included 815 healthy Polish women aged 45-60 years. The survey part was conducted using the Beck Depression Inventory (BDI), the State-Trait Anxiety Inventory (STAI), the Neuroticism-Extroversion-Openness Five Factor Inventory (NEO-FFI), and a self-developed questionnaire...
April 10, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29630153/successful-management-of-congenital-infantile-fibrosarcoma-presenting-as-large-non-healing-buttock-ulceration
#19
Madeleine G Sowash, Karen Itumeleng Mosojane, Alan R Anderson, Carrie L Kovari, Victoria L Williams
A two-year-old boy presented with a large, non-healing ulceration on his left buttock, which was originally noted as a brown patch present at birth. Punch skin biopsy was performed and histopathology revealed an atypical, pleomorphic, spindled proliferation in whorled fascicles replacing the dermis and trapping fat in the subcutis, consistent with a diagnosis of congenital/infantile fibrosarcoma. No evidence of metastatic spread was seen on imaging. The tumor was initially deemed unresectable owing to extent of local invasion...
February 15, 2018: Dermatology Online Journal
https://www.readbyqxmd.com/read/29627334/preoperative-risk-score-to-predict-occult-metastatic-or-locally-advanced-disease-in-patients-with-resectable-perihilar-cholangiocarcinoma-on-imaging
#20
Jimme K Wiggers, Bas Groot Koerkamp, David van Klaveren, Robert J Coelen, C Yung Nio, Peter J Allen, Marc G Besselink, Olivier R Busch, Michael I D'Angelica, Ronald P DeMatteo, T Peter Kingham, Thomas M van Gulik, William R Jarnagin
BACKGROUND: Many patients with resectable perihilar cholangiocarcinoma (PHC) on imaging are intra-operatively diagnosed with occult metastatic or locally advanced disease precluding a curative-intent resection. This study aimed to develop and validate a preoperative risk score. STUDY DESIGN: Patients with resectable PHC on imaging who underwent surgery in two high-volume centers (USA and Europe) between 2000 and 2015 were included. Multivariable logistic regression analysis was used to develop the risk score...
April 5, 2018: Journal of the American College of Surgeons
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