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https://www.readbyqxmd.com/read/28937444/methylene-blue-for-bronchopleural-fistula-localization
#1
Kenneth K Sakata, Faria Nasim, Dante N Schiavo, Darlene R Nelson, Ryan M Kern, John J Mullon
A bronchopleural fistula (BPF) is a communication between the pleural space and the bronchial tree. BPFs are challenging to diagnose and are associated with a high morbidity and mortality. Sequential balloon occlusion is commonly used for localization of a BPF. We describe our experience with 4 cases of successful localization of the BPF by instillation of methylene blue into the pleural space through a pigtail catheter, with simultaneous bronchoscopic visualization of dye in the tracheobronchial tree. Two patients were treated with endobronchial valves and 3 had a surgical thoracic muscle flap placed...
September 20, 2017: Journal of Bronchology & Interventional Pulmonology
https://www.readbyqxmd.com/read/28936282/effect-of-thermocycling-and-surface-treatment-on-repair-bond-strength-of-composite
#2
Nazanin Kiomarsi, Pardis Saburian, Nasim Chiniforush, Mohammad-Javd Karazifard, Sedighe-Sadat Hashemikamangar
BACKGROUND: Repair of composite restorations is a conservative method that can increase the longevity and durability of restorations while preserving the tooth structure. Achieving a suitable bond between the old and new composite is difficult. To overcome this problem, some methods have been recommended to increase the repair bond strength of composite.This study aimed to assess the effect of aging by thermocycling (5,000 and 10,000 cycles) and mechanical surface treatments (Er,Cr:YSGG laser and bur) on repair shear bond strength of composite resin...
August 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28933188/carbon-quantum-dots-recent-progresses-on-synthesis-surface-modification-and-applications
#3
Masoud Farshbaf, Soodabeh Davaran, Fariborz Rahimi, Nasim Annabi, Roya Salehi, Abolfazl Akbarzadeh
Generally, carbon nanoparticles with a size of 10 nm (or less) are called carbon quantum dots (CQDs, C-dots or CD), which have created huge excitement due to their advantages in chemical inertness, high water solubility, excellent biocompatibility, resistance to photobleaching and various optical superiority. In this article, we describe the recent advancements in the area of CQDs; concentrating on their synthesis techniques, size control, surface modification approaches, optical properties, luminescent mechanism, and their applications in bioimaging, biosensing, drug delivery and catalysis...
September 21, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28933182/synthesis-and-cellular-characterization-of-various-nano-assemblies-of-cell-penetrating-peptide-epirubicin-polyglutamate-conjugates-for-the-enhancement-of-antitumor-activity
#4
Samaneh Mohammadi, Parvin Zakeri-Milani, Nasim Golkar, Samad Mussa Farkhani, Ali Shirani, Javid Shahbazi Mojarrad, Ali Nokhodchi, Hadi Valizadeh
A new class of cell penetrating peptides (CPPs) named peptide amphiphile was designed to improve the intracellular uptake and the antitumor activity of epirubicin (EPR). Various amphiphilic CPPs were synthesized by solid phase peptide synthesis method and were chemically conjugated to EPR. Their corresponding nanoparticles (CPPs-E4 and CPPs-E8) were prepared via non-covalent binding of the peptides and polyanions. Cytotoxicity and anti-proliferative activity were evaluated by MTT assay. Cellular uptake was examined by flow cytometry and fluorescence microscopy...
September 21, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28927623/nanohybrid-hydrogels-of-laponite-pva-alginate-as-a-potential-wound-healing-material
#5
Nasim Golafshan, R Rezahasani, M Tarkesh Esfahani, M Kharaziha, S N Khorasani
The aim of this study was to develop a novel nanohybrid interpenetrating network hydrogel composed of laponite:polyvinyl alcohol (PVA)-alginate (LAP:PVA-Alginate) with adjustable mechanical, physical and biological properties for wound healing application. Results demonstrated that compared to PVA-Alginate, mechanical strength of LAP:PVA-Alginate significantly enhanced (upon 2 times). Moreover, incorporation of 2wt.% laponite reduced swelling ability (3 times) and degradation ratio (1.2 times) originating from effective enhancement of crosslinking density in the nanohybrid hydrogels...
November 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28916029/oral-mucosa-biology-and-salivary-biomarkers
#6
Rosie Qin, Andrea Steel, Nasim Fazel
Although the surfaces of both the skin and oral mucosa are protected by squamous epithelial cells and fall within the scope of dermatologic practice, the oral cavity contains highly specialized structures and functions distinct from other skin biology and pathologic conditions and are also the purview of clinicians who care for patients with skin and mucosal diseases. We describe the distinct features of the tongue, mucosa, and salivary glands. In particular, we examine the composition and function of the saliva, with special focus on salivary biomarkers...
September 2017: Clinics in Dermatology
https://www.readbyqxmd.com/read/28916028/etiology-evaluation-and-management-of-xerostomia
#7
Jillian W Millsop, Elizabeth A Wang, Nasim Fazel
Xerostomia is defined as the complaint of oral dryness. It is a condition that primarily affects older adults and can have a significant negative effect on one's quality of life. Patients with xerostomia often do not have objective signs of hyposalivation. The underlying etiology of xerostomia includes a variety of systemic diseases and local factors. Our aim is to provide a comprehensive review of the differential diagnosis, evaluation, and management of xerostomia. Prompt diagnosis and management can alleviate the clinical manifestations of this debilitating condition...
September 2017: Clinics in Dermatology
https://www.readbyqxmd.com/read/28916026/a-diagnostic-and-therapeutic-approach-to-primary-burning-mouth-syndrome
#8
Siamak Moghadam-Kia, Nasim Fazel
Primary burning mouth syndrome (BMS) is an oral mucosal disorder that is characterized by a chronic and often debilitating intraoral burning sensation for which no localized or systemic cause can be found. BMS most commonly affects postmenopausal women. The pathophysiology of primary BMS is not well understood. Diagnosing BMS can prove to be challenging. BMS patients can also pose a therapeutic challenge to clinicians who are consulted to evaluate these patients. Most commonly used therapies include tricyclic antidepressants, α-lipoic acid, clonazepam, and cognitive-behavioral therapy...
September 2017: Clinics in Dermatology
https://www.readbyqxmd.com/read/28916022/oral-dermatology-part-ii
#9
EDITORIAL
Roy S Rogers, Nasim Fazel
No abstract text is available yet for this article.
September 2017: Clinics in Dermatology
https://www.readbyqxmd.com/read/28913651/outcomes-of-percutaneous-portal-vein-intervention-in-a-single-uk-paediatric-liver-transplantation-programme
#10
Ravi Patel, Jeevan Mahaveer, Nasim Tahir, Sanjay Rajwal, Patricia McClean, Jai V Patel
INTRODUCTION: Percutaneous transluminal angioplasty (PTA), with or without stent placement, has become the treatment of choice for portal vein complications (PVC) following liver transplantation. We aimed to assess long-term outcomes of intervention in paediatric transplant recipients, in a single institution. MATERIALS AND METHODS: 227 children received 255 transplants between November 2000 and September 2016. 30 patients developed PVC of whom 21 had percutaneous intervention...
September 14, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28913508/confocal-biomicroscopic-changes-of-the-corneal-layers-following-femtosecond-laser-assisted-myoring-implantation-in-keratoconus
#11
Heidar Siatiri, Mahmoud Jabbarvand, Mehrdad Mohammadpour, Amirhossein Mollazadeh, Nasim Siatiri, Arash Mirmohammadsadeghi
PURPOSE: To evaluate the effect of the femtosecond laser-assisted MyoRing implantation on the confocal biomicroscopic findings in different corneal layers of the patients with keratoconus. METHODS: Twelve eyes of 12 patients with mild to moderate keratoconus (keratometry between 48 and 52 diopters) and intolerance to hard contact lens entered the study. All the included patients underwent femtosecond laser-assisted MyoRing (Dioptex GmBH, Linz, Austria) implantation...
September 2017: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/28913379/is-spinal-anesthesia-with-low-dose-lidocaine-better-than-sevoflorane-anesthesia-in-patients-undergoing-hip-fracture-surgery
#12
Mohammad Haghighi, Abbas Sedighinejad, Bahram Naderi Nabi, Mohsen Mardani-Kivi, Samaneh Ghazanfar Tehran, Seyed Abdollah Mirfazli, Ahmadreza Mirbolook, Nasim Ashoori Saheli
BACKGROUND: To evaluate general anesthesia with sevoflurane vs spinal anesthesia with low dose lidocaine 5% on hemodynamics changes in patients undergoing hip fracture surgery. METHODS: In this randomized double blind trial 100 patients (50 patients in each group) older than 60 years under hip surgery were randomized in general anesthesia with sevoflurane and spinal anesthesia with lidocaine 5%. Hemodynamic changes including mean arterial pressure (MAP) and heart rate, blood loss, pain severity, nausea and vomiting and opioids consumption were compared in two groups...
July 2017: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/28912964/is-the-south-african-triage-scale-valid-for-use-in-afghanistan-haiti-and-sierra-leone
#13
Mohammed Dalwai, Pola Valles, Michele Twomey, Yvonne Nzomukunda, Prince Jonjo, Manoj Sasikumar, Masood Nasim, Abdul Razaaq, Olivia Gayraud, Pierre Ronald Jecrois, Lee Wallis, Katie Tayler-Smith
OBJECTIVE: To assess the validity of the South African Triage Scale (SATS) in four Médecins Sans Frontières (MSF)-supported emergency departments (ED, two trauma-only sites, one mixed site (both medical and trauma cases) and one paediatric-only site) in Afghanistan, Haiti and Sierra Leone. METHODS: This was a retrospective cohort study conducted between June 2013 and June 2014. Validity was assessed by comparing patients' SATS ratings with their final ED outcome (ie, hospital admission, death or discharge)...
2017: BMJ Global Health
https://www.readbyqxmd.com/read/28912945/comparison-of-er-yag-laser-and-ultrasonic-scaler-in-the-treatment-of-moderate-chronic-periodontitis-a-randomized-clinical-trial
#14
Reza Birang, Jaber Yaghini, Naeimeh Nasri, Nasim Noordeh, Pedram Iranmanesh, Alireza Saeidi, Narges Naghsh
Introduction: Periodontitis is an inflammatory periodontal disease that leads to tooth loss. Recently laser has been introduced as an alternative treatment for periodontitis. The aim of the present study was to compare the effect of Erbium-doped Yttrium Aluminum Garnet (Er:YAG) laser with ultrasonic scaler in patients with moderate chronic periodontitis. Methods: In this randomized single-blind clinical trial, 27 patients with moderate chronic periodontitis were selected. One quadrant of the patients was treated by Er:YAG laser and the other one by ultrasonic scaler...
2017: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/28904505/embryo-cryopreservation-following-in-vitro-maturation-for-fertility-preservation-in-a-woman-with-mullerian-adenosarcoma-a-case-report
#15
Mehdi Mohsenzadeh, Mohammad A Khalili, Nasim Tabibnejad, Nahid Yari, Azam Agha-Rahimi, Mojgan Karimi-Zarchi
In-vitro maturation (IVM) of the immature oocytes recovered from the surgically removed ovarian tissue has been considered as a process for fertility preservation in patients with cancer. Fertility preservation for a woman with Mullerian adenocarcinoma. A 37-year-old woman with Mullerian adenocarcinoma was a candidate for ovarian resection. The immature oocytes were retrieved after ovarian resection from a 37-year-old woman with Mullerian adenocarcinoma. The oocytes underwent IVM and were fertilized using intracytoplasmic sperm injection (ICSI)...
April 2017: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/28890772/knowledge-and-cultural-beliefs-of-mothers-regarding-the-risk-factors-of-infant-hearing-loss-and-awareness-of-audiology-services
#16
Samantha M Govender, Nasim Banu Khan
The aim of the paper is to describe the knowledge of mothers in Durban, South Africa, regarding risk factors of hearing loss in infants and their awareness of audiology services, and to describe their cultural beliefs about the risk factors for hearing loss in infants. A descriptive survey design with quantitative methods of analysis were used. Conveniently sampled mothers (n=102) receiving postnatal care for their infants from eight provincial clinics within Durban consented to participate, yielding a response rate of 48%...
June 23, 2017: Journal of Public Health in Africa
https://www.readbyqxmd.com/read/28889757/resurgence-of-yellow-fever-in-brazil-overview-and-possible-control-options
#17
Abdul Waheed Khan, Zeeshan Nasim, Fazli Zahir, Muhammad Adil Khan, Abid Ali, Shahid Ali, Abdul Haleem Khan
No abstract text is available yet for this article.
September 11, 2017: Acta Microbiologica et Immunologica Hungarica
https://www.readbyqxmd.com/read/28887785/bioplausible-multiscale-filtering-in-retino-cortical-processing-as-a-mechanism-in-perceptual-grouping
#18
Nasim Nematzadeh, David M W Powers, Trent W Lewis
Why does our visual system fail to reconstruct reality, when we look at certain patterns? Where do Geometrical illusions start to emerge in the visual pathway? How far should we take computational models of vision with the same visual ability to detect illusions as we do? This study addresses these questions, by focusing on a specific underlying neural mechanism involved in our visual experiences that affects our final perception. Among many types of visual illusion, 'Geometrical' and, in particular, 'Tilt Illusions' are rather important, being characterized by misperception of geometric patterns involving lines and tiles in combination with contrasting orientation, size or position...
September 8, 2017: Brain Informatics
https://www.readbyqxmd.com/read/28887449/realization-of-tunable-artificial-synapse-and-memory-based-on-amorphous-oxide-semiconductor-transistor
#19
Mingzhi Dai, Weiliang Wang, Pengjun Wang, Muhammad Zahir Iqbal, Nasim Annabi, Nasir Amin
Recently, advanced designs and materials emerge to study biologically inspired neuromorphic circuit, such as oxide semiconductor devices. The existence of mobile ions in the oxide semiconductors could be somewhat regarded to be similar with the case of the ions movements among the neurons and synapses in the brain. Most of the previous studies focus on the spike time, pulse number and material species: however, a quantitative modeling is still needed to study the voltage dependence of the relaxation process of synaptic devices...
September 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28886442/four-new-cases-of-pediatric-thoracic-aortic-aneurysm-taa-with-review-of-the-molecular-genetic-basis-utilizing-the-newly-published-consensus-nomenclature
#20
Shriprasad Deshpande, Adina Alazraki, Nasim Khoshnam, Diana Kantarovich, Pooya Hoseinzadeh, Camden Hebson, Ajay Bhatia, Lauren Schaffer, Elana Maccou, Bahig M Shehata
The majority of thoracic aortic aneurysms (TAA) in the pediatric population are due to post repair etiology (iatrogenic). Although rare, underlying inheritable disease and congenital cardiac anomalies represent the most common non-iatrogenic cause of TAA among patients in this age group (1-21 years of age). Herein, we present a case series of 9aortic aneurysms with varying underlying etiology. We discuss the molecular genetic basis of these syndromes in conjunction with the radiological findings and histological description utilizing the newly published consensus criteria article...
July 27, 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
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