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Alberto Arezzo, Roberto Passera, Alberto Bullano, Yoav Mintz, Asaf Kedar, Luigi Boni, Elisa Cassinotti, Riccardo Rosati, Uberto Fumagalli Romario, Mario Sorrentino, Marco Brizzolari, Nicola Di Lorenzo, Achille Lucio Gaspari, Dario Andreone, Elena De Stefani, Giuseppe Navarra, Salvatore Lazzara, Maurizio Degiuli, Kirill Shishin, Igor Khatkov, Ivan Kazakov, Rudolf Schrittwieser, Thomas Carus, Alessio Corradi, Guenther Sitzman, Antonio Lacy, Selman Uranues, Amir Szold, Mario Morino
BACKGROUND: Single-port laparoscopic surgery as an alternative to conventional laparoscopic cholecystectomy for benign disease has not yet been accepted as a standard procedure. The aim of the multi-port versus single-port cholecystectomy trial was to compare morbidity rates after single-access (SPC) and standard laparoscopy (MPC). METHODS: This non-inferiority phase 3 trial was conducted at 20 hospital surgical departments in six countries. At each centre, patients were randomly assigned to undergo either SPC or MPC...
October 24, 2016: Surgical Endoscopy
Amir Zahir, Chesahna Kindred, Brunhilde Blömeke, Carsten Goebel, Anthony A Gaspari
BACKGROUND: Allergic contact dermatitis after exposure to p-phenylenediamine (PPD)-containing hair dye products is a common and important clinical problem. Because there is a high rate of cross-elicitation of allergic contact dermatitis to other important hair dye products (such as p-toluene diamine and other aminophenol hair dyes) in PPD-allergic patients, safer alternative dyes with excellent hair coloring options are needed. OBJECTIVE: This study aimed to study tolerance to Me-PPD in a PPD-allergic cohort...
October 21, 2016: Dermatitis
Han Yang, Amir Sheikhi, Theo G M van de Ven
A novel biopolymer-based aerogel was developed by freeze-drying a hydrogel, synthesized from crosslinking bifunctional hairy nanocrystalline cellulose and carboxymethylated chitosan through a Schiff base reaction. The nanocelluloses, bearing aldehyde and carboxylic acid groups, facilitated the crosslinking with chitosan through imine bond formation while providing negatively-charged functional groups, and chitosan was modified to accommodate carboxylic acid. The potential of this bio-aerogel in environmental remediation was examined in a model system comprising methylene blue, a cationic dye...
October 24, 2016: Langmuir: the ACS Journal of Surfaces and Colloids
Seifollah Gholampour, Nasser Fatouraee, Amir Saeed Seddighi, Afsoun Seddighi
In the present study, the heads of 11 normal subjects and 21 patients affected by hydrocephalus due to three different causes were simulated using fluid-structure interaction (FSI). To validate the results, the calculated diagram of CSF velocity in aqueduct of Sylvius (AS) was compared with the similar velocity diagram measured using Cine PC-MRI for the same subject. After ensuring the agreement of results, other outputs such as CSF pressure were calculated non-invasively using FSI. The intracranial pressure and CSF pressure in AS and behind the optic nerve sheath were in patients 5-5...
October 20, 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
Mahsa Dindarsafa, Alireza Khataee, Baris Kaymak, Behrouz Vahid, Atefeh Karimi, Amir Rahmani
High energy planetary ball milling was applied to prepare sono-Fenton nanocatalyst from natural martite (NM). The NM samples were milled for 2-6h at the speed of 320rpm for production of various ball milled martite (BMM) samples. The catalytic performance of the BMMs was greater than the NM for treatment of Acid Blue 92 (AB92) in heterogeneous sono-Fenton-like process. The NM and the BMM samples were characterized by XRD, FT-IR, SEM, EDX and BET analyses. The particle size distribution of the 6h-milled martite (BMM3) was in the range of 10-90nm, which had the highest surface area compared to the other samples...
January 2017: Ultrasonics Sonochemistry
Kuan-Guan Liu, Amir Reza Abbasi, Azadeh Azadbakht, Mao-Lin Hu, Ali Morsali
The polyester fiber containing Ag nanoparticles was prepared through the chemical reduction under ultrasound irradiation. Influences of reduction reagents on the morphological properties of Ag nanoparticles@polyester fiber were studied. The sizes of metallic nanoparticles vary significantly with the types of reduction reagents used in the synthesis. A strong reduction reaction promotes a fast reaction rate and favors the formation of smaller nanoparticle. A weak reduction reagent induces a slow reaction rate and favors relatively larger particles...
January 2017: Ultrasonics Sonochemistry
Amir Maghsoudi, Jane Nankervis
No abstract text is available yet for this article.
February 2016: Pathology
Amir Maroof Khan, Siddarth Ramji
No abstract text is available yet for this article.
September 8, 2016: Indian Pediatrics
Ruohollah Seddigh, Esmat Abdollahpour, Somayeh Azarnik, Behnam Shariati, Amir-Abbas Keshavarz-Akhlaghi
Objectives: To explore the experiences of general practitioners who continue to sit a highly-competitive residency entrance examination, despite repeated failure. Methods: This qualitative, exploratory study employed semi-structured, in-depth interviews with 35 candidates of a residency entrance exam who had failed the examination at least twice and were preparing to sit it again. Interview questions addressed the challenges they faced and how they managed these challenges...
October 22, 2016: International Journal of Medical Education
Orna Gera, Efrat Shavit-Stein, Doron Bushi, Sagi Harnof, Marina Ben Shimon, Ronen Weiss, Valery Golderman, Amir Dori, Nicola Maggio, Kate Finegold, Joab Chapman
Thrombin and activated protein C (aPC) bound to the endothelial protein C receptor (EPCR) both activate protease-activated receptor 1 (PAR1) generating either harmful or protective signaling respectively. In the present study we examined the localization of PAR-1 and EPCR and thrombin activity in Schwann glial cells of normal and crushed peripheral nerve and in Schwannoma cell lines. In the sciatic crush model nerves were excised 1 hour, 1, 4, and 7 days after the injury. Schwannoma cell lines produced high levels of prothrombin which is converted to active thrombin and expressed both EPCR and PAR-1 which co-localized...
October 19, 2016: Neuroscience
Amir Ahmadi, Jagat Narula
No abstract text is available yet for this article.
October 14, 2016: JACC. Cardiovascular Imaging
Volodymyr Chornyy, Abhilash Koratala, Amir Kazory
No abstract text is available yet for this article.
October 21, 2016: BMJ Case Reports
Jochen-Frederick Hernekamp, Pouyan Yary, Amir Khosrow Bigdeli, Christoph Hirche, Berthold Bickert, Ulrich Kneser, Thomas Kremer
No abstract text is available yet for this article.
October 18, 2016: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
Katharina Meier, Stefan K Drexler, Franziska C Eberle, Karine Lefort, Amir S Yazdi
Apoptosis-associated speck-like protein containing a caspase recruitment domain (ASC) is an important adaptor protein for inflammasome activation, mediating the secretion of protumorigenic innate cytokines. However, ASC is also known to trigger apoptosis in tumor cells, acting as a tumor-suppressor gene, which is lost in several human cancers. The aim of this study was to evaluate the clinical significance of ASC in human cutaneous squamous cell carcinoma (SCC). Initially, ASC expression was immunohistochemically evaluated in non-metastic and metastatic SCC...
2016: PloS One
Catherine Breen, Jean Mercer, Simon A Jones, Amir Jahic, Lesley Heptinstall, Karen Tylee, William G Newman, Christian Beetz
Mucopolysaccharidosis I (MPS I) is a rare autosomal recessive multisystem lysosomal storage disorder. It is caused by biallelic loss-of-function variants in IDUA, encoding alpha-l iduronidase. Here, we describe an individual affected by MPS I due to a paternally inherited deletion of IDUA exons 1 and 2, c.(?_-88)_(299+1_300-1)del and a whole-gene deletion of IDUA (?_-88?)_(*136?)del secondary to maternal somatic mosaicism. We define a previously unreported mutational mechanism for this disorder.
2016: Human Genome Variation
Vahid Noroozi Karbasdehi, Sina Dobaradaran, Iraj Nabipour, Afshin Ostovar, Amir Vazirizadeh, Masoumeh Ravanipour, Shahrokh Nazmara, Mozhgan Keshtkar, Roghayeh Mirahmadi, Mohsen Noorinezhad
BACKGROUND: The present work was designed to detect heavy metal contents of Al, Zn, Fe, Mn, Ni, V, Co, Cr and Cu in sediments and shells of the Trachycardium lacunosum collected in polluted and unpolluted areas along the Persian Gulf. METHODS: The samples were taken from surface sediments (0-10 cm) and shells of Trachycardium lacunosum in two separated areas (polluted and unpolluted) in northern part of the Persian Gulf, Asaluyeh Bay, during summer 2013. The prepared samples were analyzed by inductively coupled plasma-optical emission spectrometry (ICP-OES)...
2016: Journal of Environmental Health Science & Engineering
Fayyaz Ul Amir Afsar Minhas, Amina Asif, Muhammad Arif
: Feature selection and ranking is of great importance in the analysis of biomedical data. In addition to reducing the number of features used in classification or other machine learning tasks, it allows us to extract meaningful biological and medical information from a machine learning model. Most existing approaches in this domain do not directly model the fact that the relative importance of features can be different in different regions of the feature space. In this work, we present a context aware feature ranking algorithm called CAFÉ-Map...
October 11, 2016: Computers in Biology and Medicine
Amir M Abtahi, Kade Shumway Lyman, Darrel S Brodke, Brandon D Lawrence, Chong Zhang, William Ryan Spiker
STUDY DESIGN: This is a retrospective review. OBJECTIVE: To evaluate the relationship between patient functional status and self-assessment of disability as measured by 3 commonly used clinical assessment instruments-the Oswestry Disability Index (ODI), the Neck Disability Index (NDI), and the EuroQol (EQ)-5D and patient satisfaction scores in a spine surgery clinic population. SUMMARY OF BACKGROUND DATA: Patient satisfaction surveys, which measure the "patient experience of care" are becoming an increasingly important measure of the quality of medical care...
October 19, 2016: Clinical Spine Surgery
Jeffrey D Crawford, Stephen J Haller, Gregory J Landry, Cherrie Abraham, Gregory L Moneta, Sandra Rugonyi, Amir F Azarbal
No abstract text is available yet for this article.
August 2016: Journal of Vascular Surgery
Khalid H Al-Qahtani, Mutahir A Tunio, Mushabbab Al Asiri, Yasser Bayoumi, Walaa A Alshehri, Naji J Aljohani, Ahmed Amir Ali, Hanadi Fatani
To evaluate the clinicopathological features and treatment outcomes of papillary thyroid carcinoma tall cell variant (PTC-TCV) in Saudi population. Methods: This retrospective study were medical records of 776 treated PTC patients between December 2007 and 2015, at King Fahad Medical City and King Khalid University Hospital, Riyadh, Kingdom of Saudi Arabia was probed for PTC-TCV. Total 42 (5.4%) patients were found to have PTC-TCV, which were investigated for demographic, symptoms, histopathological features, and treatment outcomes locoregional control (LRC), distant metastasis control (DMC), disease free survival (DFS), and overall survival (OS) rates...
November 2016: Saudi Medical Journal
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