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https://www.readbyqxmd.com/read/28449548/vibration-induced-property-change-in-the-melting-and-solidifying-process-of-metallic-nanoparticles
#1
Yonggang Zheng, Liquan Ding, Hongfei Ye, Zhen Chen
Tuning material properties in the 3-D printing process of metallic parts is a challenging task of current interests. Much research has been conducted to understand the effects of controlling parameters such as the particle geometry (size and shape), heating, and cooling ways on the outcome of the printing process. However, nothing has been done to explore the system vibration effect. This letter reports our findings on the vibration-induced property change in the melting and solidifying process of silver nanoparticles with the use of molecular dynamics simulation...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28449531/ablation-of-atrial-fibrillation-single-shot-techniques-poised-to-dominate-rhythm-control-strategies-the-future-is-here
#2
EDITORIAL
Antonis S Manolis
Over the recent years, the advent of single-shot techniques, such as circular catheter and cryoballoon ablation, has ushered in a new era in the catheter ablation approach and rhythm control strategies of patients with atrial fibrillation (AF). These techniques make it easier to navigate the heart and have the potential to decrease the threshold for, expand the access to, and increase patient and physician acceptance of rhythm-control therapies, that may lead to reduction of the AF disease burden and its socioeconomic impact...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449529/do-hospitals-need-oncological-critical-care-units
#3
EDITORIAL
Abby Koch, William Checkley
Since the inception of critical care as a formal discipline in the late 1950s, we have seen rapid specialization to many types of intensive care units (ICUs) to accommodate evolving life support technologies and novel therapies in various disciplines of medicine. Indeed, the field has expanded such that specialized ICUs currently exist to address critical care problems in medicine, cardiology, neurology and neurosurgery, trauma, burns, organ transplant and cardiothoracic surgeries. Specialization does not only need new infrastructure, but also training and staffing of health care providers, ancillary staff, and development and implementation of processes of care...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449527/invited-editorial-on-the-timing-of-surgery-after-neoadjuvant-chemoradiation-in-locally-advanced-non-small-cell-lung-cancer
#4
EDITORIAL
Deniz Yalman
No abstract text is available yet for this article.
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449508/avoiding-completion-pneumonectomy-by-omentopexy-for-bronchial-dehiscence
#5
Takuro Miyazaki, Naoya Yamasaki, Tomoshi Tsuchiya, Keitaro Matsumoto, Ryotaro Kamohara, Go Hatachi, Shigekazu Hidaka, Takeshi Nagayasu
A 56-year-old man underwent right upper sleeve lobectomy with mediastinal lymph node dissection after induction chemoradiotherapy (CRT) for advanced non-small cell lung cancer (NSCLC). The patient developed anastomotic dehiscence 11 days postoperatively. A fistula measuring 10 mm in diameter was found around the transition region between cartilage and membranous portions of the bronchus. To avoid completion right pneumonectomy, omentopexy was performed to cover the bronchial dehiscence and facilitate healing...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449505/pulmonary-vein-stump-thrombosis-after-left-pneumonectomy-diagnosed-based-on-a-high-plasma-d-dimer-level-a-case-report
#6
Tomohiro Kamori, Gouji Toyokawa, Tatsuro Okamoto, Yuka Kozuma, Taichi Matsubara, Naoki Haratake, Shinkichi Takamori, Takaki Akamine, Kazuki Takada, Masakazu Katsura, Fumihiro Shoji, Yoshihiko Maehara
A 69-year-old man with locally advanced squamous cell lung cancer in the left hilum underwent left upper sleeve lobectomy following neoadjuvant chemoradiotherapy with an S-1/cisplatin regimen. On postoperative day (POD) 5, the chest X-ray findings deteriorated, and computed tomography (CT) images showed pulmonary congestion of the left residual lung. We then performed emergent left completion pneumonectomy. Although the Postoperative course after re-operation was uneventful, and the patient was scheduled to be discharged on POD 12 when the serum creatinine level and plasma D-dimer level increased to 1...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449496/the-mechanisms-of-radioresistance-in-esophageal-squamous-cell-carcinoma-and-current-strategies-in-radiosensitivity
#7
REVIEW
Guang-Zong Chen, Hong-Cheng Zhu, Wang-Shu Dai, Xiao-Ning Zeng, Jin-Hua Luo, Xin-Chen Sun
Esophageal cancer is the eighth most common cancer and the sixth leading cause of cancer-related death worldwide. Surgery is the primary form of treatment, but the survival is poor, especially for patients with locally advanced esophageal cancer. Radiotherapy has been a critical treatment option that may be combined with chemotherapy in patients with unresectable esophageal cancer. However, resistance to chemoradiotherapy might result in treatment failures and cancer relapse. This review will mainly focus on the possible cellular mechanisms and tumor-associated microenvironmental (TAM) factors that result in radioresistance in patients with esophageal cancer...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449495/laser-resection-of-pulmonary-nodule-via-uniportal-thoracoscopic-surgery
#8
Calvin S H Ng, Freddie Capili, Ze-Rui Zhao, Peter S Y Yu, Jacky Y K Ho, Rainbow W H Lau
Uniportal video-assisted thoracic surgery (VATS) lung wedge resection usually requires three devices, thoracoscope, lung retracting instrument and an endo-stapler cutter to perform the procedure. With advances in miniaturization of the thoracoscope and lung retracting instruments, a major limitation to operating through a smaller uniportal incision has become the endo-stapler. We describe the surgical technique for uniportal VATS laser lung resection which uses a much narrower laser catheter device to replace the endo-stapler for resection...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449481/procalcitonin-as-preoperative-marker-for-surgery-in-advanced-parapneumonic-empyema
#9
Claudio Caviezel, Philipp Schuetz, Stephan Gerdes, Franco Gambazzi
BACKGROUND: The optimal time point for surgical management of advanced parapneumonic empyema in need of open pleurectomy and decortication remains unclear. We hypothesized that surgical outcomes will be better when procalcitonin (PCT) levels have dropped to normal ranges as evidence for resolution of the underlying pneumonia. METHODS: We retrospectively analyzed outcomes of 38 patients with advanced parapneumonic empyema who underwent open decortication and pleurectomy with available preoperative PCT (pPCT) values...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449473/anti-pd-1-pd-l1-antibody-versus-conventional-chemotherapy-for-previously-treated-advanced-non-small-cell-lung-cancer-a-meta-analysis-of-randomized-controlled-trials
#10
Yongxun Zhuansun, Fengting Huang, Yumo Du, Lin Lin, Rui Chen, Jianguo Li
BACKGROUND: The anti-PD-1/PD-L1 monoclonal antibody has showed promising results in various cancers via enhancing T cell functions. However, many questions remain in the role and safety in previously-treated, advanced non-small-cell lung cancer (NSCLC). Thus, we conducted a meta-analysis incorporating all available evidences to evaluate the efficacy and safety of anti-PD-1/PD-L1 antibody compared with chemotherapy. METHODS: PubMed, Web of Science and the Cochrane Library database were searched for the studies about the efficacy and safety of anti-PD-1/PD-L1 antibody in previously-treated, progressive NSCLC patients...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449467/clinical-analysis-on-113-patients-with-lung-cancer-treated-by-percutaneous-ct-guided-microwave-ablation
#11
Lou Zhong, Siyuan Sun, Jiahai Shi, Fei Cao, Xiao Han, Xueping Bao, Qingsheng You
BACKGROUND: Lung Cancer is a primary tumor with poor prognosis. For early stage lung cancer, treatment options include surgical resection and microwave techniques. Percutaneous ablative techniques emerged as best therapeutic options for nonsurgical patients. METHODS: The aim of this study was to retrospectively analyze the clinical effect of CT-guided microwave ablation (MWA) treatment for patients with lung cancer who were not eligible for surgical resection. MWA was used to treat the tumor lesion of 113 patients with lung cancer who were in our hospital from Jan, 2013 to Jun, 2015...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449423/the-detection-of-messenger-rna-for-carcinoembryonic-antigen-and-cytokeratin-20-in-peritoneal-washing-fluid-in-patients-with-advanced-gastric-cancer
#12
Yeon Ji Kim, Woo Chul Chung, Sooa Choi, Yun Duk Jung, Jaejun Lee, Seung Yun Chae, Kyong Hwa Jun, Hyung Min Chin
Background/Aims: Peritoneal micrometastasis is known to play an important role in the recurrence of gastric cancer. However, its effects remain equivocal. Herein, we examine the messenger RNA (mRNA) as tumor markers, carcinoembryonic antigen (CEA), and cytokeratin 20 (CK20), in peritoneal washing fluid. Moreover, we evaluate whether these results could predict the recurrence of gastric cancer following curative resection. Methods: We prospectively enrolled 132 patients with gastric cancers, who had received an operation, between January 2010 and January 2013...
April 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28449363/health-literacy-interventions-for-immigrant-populations-a-systematic-review
#13
REVIEW
M Fernández-Gutiérrez, P Bas-Sarmiento, M J Albar-Marín, O Paloma-Castro, J M Romero-Sánchez
BACKGROUND: Health literacy is considered a social health determinant that influences improvement in health, patient empowerment and reduction in inequalities. There is a lack of health literacy interventions for vulnerable social groups (i.e. immigrants), and nurses have shown little familiarity with the concept. AIM: This study aimed to identify and analyse whether interventions directed at immigrant populations improve the functional (basic reading, writing and arithmetic skills), interactive (social and cognitive skills) and critical (advanced cognitive and social skills in critically analyzing information and making informed decisions) dimensions of health literacy, taking into account the role played by nursing in these interventions...
April 27, 2017: International Nursing Review
https://www.readbyqxmd.com/read/28449340/identifying-the-optimal-strategy-for-screening-of-advanced-colorectal-neoplasia
#14
Yoon Suk Jung, Chan Hyuk Park, Nam Hee Kim, Jung Ho Park, Dong Il Park, Chong Il Sohn
BACKGROUND AND AIM: To guide selection of optimal screening strategies for advanced colorectal neoplasia (ACRN), we evaluated the screening performances of sigmoidoscopy, fecal immunochemical test (FIT), and the Asia-Pacific Colorectal Screening (APCS) system, as well as combinations of these techniques. METHODS: We reviewed the records of participants who had undergone a colonoscopy and FIT as part of a comprehensive health-screening program. Results of sigmoidoscopy were estimated from lesions under colonoscopic examination...
May 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28449284/pediatric-melanoma
#15
REVIEW
Christina Stefanaki, Leonidas Chardalias, Efthymia Soura, Alexandra Katsarou, Alexander Stratigos
Pediatric melanoma, although rare, is the most common skin cancer in children. Our current knowledge on pediatric melanoma incidence trends is expanding, as several studies have addressed this issue with conflicting results. Known risk factors for pediatric melanoma include family history of melanoma, a previous history of malignancy, large congenital nevi, numerous melanocytic nevi, sunburns, increased UV exposure and a sun-sensitive phenotype. In younger children melanoma more often presents with atypical features, such as a changing, amelanotic or uniformly colored, often bleeding lesion, not fulfilling in most cases the conventional ABCDE criteria...
April 27, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28449272/adalimumab-is-a-safe-option-for-psoriasis-patients-with-concomitant-hepatitis-b-or-c-infection-a-multicentre-cohort-study-of-37-patients-and-review-of-the-literature-%C3%A2-reply-to-dr-ricceri-letter
#16
Stefano Piaserico
We thank Ricceri et al. for their comments (1) and interest in our study (2). Despite the recent advances in prevention and treatment of hepatitis B virus (HBV) and hepatitis C virus (HCV) infections, these two chronic infections still represent the most common cause of chronic liver disease. Dermatologists are frequently encountering patients with psoriatic disease who have concomitant HBV or HCV infection in daily clinical practice. Dr Ricceri provided in his letter further long-term follow-up data (60 months) on the use of etanercept or adalimumab in 17 psoriatic patients affected by past HBV infection or chronic HCV infection...
April 27, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28449240/bmp-signaling-in-pulmonary-hypertension-advances-and-therapeutic-implications
#17
Kai Yang, Jian Wang, Wenju Lu
Bone morphogenetic protein (BMP)-mediated signaling pathway plays critical roles in pulmonary hypertension (PH) development and progression. The typical BMP signaling mostly involve BMP ligands, specific transmembrane serine/threonine kinase receptors, cellular responsive kinases and secreted antagonists. As more and more studies have been conducted, the specific protective or pathogenic roles of these molecules within all these subgroups of BMP signaling have been continuously uncovered. Based on these evidences, specific strategies have been designed by targeting these factors as novel treatment approach against PH...
April 27, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28449193/impact-of-metformin-on-patients-with-advanced-head-and-neck-cancer-undergoing-concurrent-chemoradiotherapy
#18
Pei-Hung Chang, Kun-Yun Yeh, Cheng-Hsu Wang, Eric Yen-Chao Chen, Shih-Wei Yang, Wen-Chi Chou, Jason Chia-Hsun Hsieh
BACKGROUND: The purpose of this study was to evaluate the impact of metformin on toxicities and survival in patients with head and neck cancer undergoing concurrent chemoradiotherapy (CRT). METHODS: We retrospectively analyzed and compared the clinical characteristics, treatment tolerance, toxicities, and survival of 252 patients with stages III, IVA, and IVB head and neck cancer undergoing concurrent CRT with and without metformin treatment between 2007 and 2010...
April 27, 2017: Head & Neck
https://www.readbyqxmd.com/read/28449154/dual-raas-blockade-with-aliskiren-in-patients-with-severely-impaired-chronic-kidney-disease
#19
Franz Maximilian Rasche, Claudia Joel, Thomas Ebert, Thomas Frese, Filip Barinka, Volker Busch, Wilma Gertrud Rasche, Tom H Lindner, Jochen Schneider, Stephan Schiekofer
Dual renin-angiotensin-aldosterone blockade (dRAASb) is purposed in the prevention of the cardiorenal syndrome (CRS). However, all attempts with dRAASb even in patients with moderate impaired chronic kidney disease (CKD) were terminated due to the typical severe adverse events (SAE), e. g., hyperkalemia and rise of serum creatinine. The aim of our study with the direct renin inhibitor aliskiren was to evaluate the effect of dRAASb with a washout phase in patients with severely advanced CKD. We have studied 45 patients (G3b to 4, A2 and >A3; median glomerular filtration rate (GFR) CKD-EPI 31 (23-40) ml/min per 1...
April 27, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28449134/characterizing-exogenous-mrna-delivery-trafficking-cytoplasmic-release-and-rna-protein-correlations-at-the-level-of-single-cells
#20
Jonathan L Kirschman, Sushma Bhosle, Daryll Vanover, Emmeline L Blanchard, Kristin H Loomis, Chiara Zurla, Kathryn Murray, Blaine C Lam, Philip J Santangelo
The use of synthetic messenger ribonucleic acid (mRNA) to express specific proteins is a highly promising therapeutic and vaccine approach that avoids many safety issues associated with viral or DNA-based systems. However, in order to optimize mRNA designs and delivery, technology advancements are required to study fundamental mechanisms of mRNA uptake and localization at the single-cell and tissue level. Here, we present a single RNA sensitive fluorescent labeling method which allows us to label and visualize synthetic mRNA without significantly affecting function...
April 26, 2017: Nucleic Acids Research
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