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https://www.readbyqxmd.com/read/29031223/enhanced-antibacterial-activity-and-biocompatibility-of-zinc-incorporated-organic-inorganic-nanocomposite-coatings-via-electrophoretic-deposition
#1
Pin Huang, Kena Ma, Xinjie Cai, Dan Huang, Xu Yang, Jiabing Ran, Fushi Wang, Tao Jiang
Increased use of reconstruction procedures in orthopedics has improved the life of patients undergoing surgery. However, surgical site infection remains a major challenge. Efforts were made to fabricate antibacterial surfaces with good biocompatibility. This present study aimed to fabricate zinc-incorporated chitosan/gelatin (CS/G) nanocomposite coatings on the titanium substrates via electrophoretic deposition (EPD). Physicochemical characterization confirmed that zinc was successfully deposited in a metallic oxide/salt complex status...
October 6, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29031213/impairment-of-heart-rhythm-complexity-in-patients-with-drug-resistant-epilepsy-an-assessment-with-multiscale-entropy-analysis
#2
Hongyun Liu, Zhao Yang, Fangang Meng, Yuguang Guan, Yanshan Ma, Shuli Liang, Jiuluan Lin, Longsheng Pan, Mingming Zhao, Wei Qu, Hongwei Hao, Guoming Luan, Jianguo Zhang, Luming Li
OBJECTIVE: Epilepsy and seizures can have dramatic effects on the cardiac function. The aim of this study was to investigate the heart rhythm complexity in patients with drug-resistant epilepsy (DRE). METHODS: Ambulatory 24-h electrocardiograms (ECG) from 70 DRE patients and 50 healthy control subjects were analyzed using conventional heart rate variability (HRV) and multiscale entropy (MSE) methods The variation of complexity indices (CI), which was calculated from MSE profile, was determined...
October 5, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/29031172/a-parapharyngeal-space-schwannoma-arising-from-the-vagus-nerve-a-case-report
#3
Conor Carroll, Manish Jagatiya, Dia Kamel, Jamal Siddiqi
INTRODUCTION: Tumours of the parapharyngeal space are rare. Only 0.5% of head and neck tumours occur in this space. Surgical excision of parapharyngeal space lesions is challenging because of the anatomical complexity of the area. PRESENTATION OF CASE: A 31-year-old male patient was referred by his general dental practitioner for removal of lower wisdom teeth due to multiple episodes of pericoronitis. At the initial examination, an incidental finding was made of a large fluctuant posterior oropharyngeal swelling...
October 5, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29031167/impaired-central-coherence-in-patients-with-anorexia-nervosa
#4
Sayo Hamatani, Masahito Tomotake, Tomoya Takeda, Naomi Kameoka, Masashi Kawabata, Hiroko Kubo, Masashi Ohta, Yukio Tada, Yukiko Tomioka, Shinya Watanabe, Masatoshi Inoshita, Makoto Kinoshita, Tetsuro Ohmori
The purpose of this study was to investigate the characteristics of central coherence in patients with anorexia nervosa (AN). 22 female patients with AN (median age = 31.50 (QD = 8.13) years) and 33 female healthy controls (HC) (median age = 28.00 (QD = 8.50) years) participated in the study. Their central coherence was assessed with the Rey Complex Figure Task (RCFT). Clinical symptoms were evaluated with the Beck Depression Inventory-II and the State-Trait Anxiety Inventory-Form JYZ. The results showed that AN patients' Central Coherence Index and accuracy scores in copy, 3-min delayed recall and 30-min delayed recall tasks of the RCFT were significantly lower than those of HC...
September 30, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29031127/patients-perceptions-and-experiences-of-living-with-a-surgical-wound-healing-by-secondary-intention-a-qualitative-study
#5
Dorothy McCaughan, Laura Sheard, Nicky Cullum, Jo Dumville, Ian Chetter
BACKGROUND: Most surgical wounds heal by primary intention, that is to say, the edges of the wound are brought together with sutures, staples, adhesive glue or clips. However, some wounds may be left open to heal (if there is a risk of infection, or if there has been significant tissue loss), and are known as 'surgical wounds healing by secondary intention'. They are estimated to comprise approximately 28% of all surgical wounds and are frequently complex to manage. However, they are under researched and little is known of their impact on patients' lives...
September 28, 2017: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/29031046/contributors-to-young-drivers-driving-styles-a-comparison-between-israel-and-queensland
#6
Vera Skvirsky, Orit Taubman Ben-Ari, Timothy J Greenbury, Carlo G Prato
Among the numerous factors that contribute to young novice drivers' driving styles, personality characteristics, sociodemographic variables, family atmosphere, and friends' norms are known to have an important impact. However, cross-cultural comparisons are relatively rare in the safety literature concerning young drivers. This study aimed at comparing young drivers from Israel and Queensland (Australia) and examining the contribution of personality, sociodemographic, family and friends' aspects to their driving styles (reckless and careless; hostile and angry; anxious; patient and careful)...
October 10, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/29029305/large-scale-automated-sleep-staging
#7
Haoqi Sun, Jian Jia, Balaji Goparaju, Guang-Bin Huang, Olga Sourina, Matt Travis Bianchi, M Brandon Westover
Study Objectives: Automated sleep staging has been previously limited by a combination of clinical and physiological heterogeneity. Both factors are in principle addressable with large data sets that enable robust calibration. However, the impact of sample size remains uncertain. The objectives are to investigate the extent to which machine learning methods can approximate the performance of human scorers when supplied with sufficient training cases and to investigate how staging performance depends on the number of training patients, contextual information, model complexity, and imbalance between sleep stage proportions...
September 26, 2017: Sleep
https://www.readbyqxmd.com/read/29029246/the-epidermal-growth-factor-network-role-in-oocyte-growth-maturation-and-developmental-competence
#8
Dulama Richani, Robert B Gilchrist
BACKGROUND: The LH surge induces great physiological changes within the preovulatory follicle, which culminate in the ovulation of a mature oocyte that is capable of supporting embryo and foetal development. However, unlike mural granulosa cells, the oocyte and its surrounding cumulus cells are not directly responsive to LH, indicating that the LH signal is mediated by secondary factors produced by the granulosa cells. The mechanisms by which the oocyte senses the ovulatory LH signal and hence prepares for ovulation has been a subject of considerable controversy for the past four decades...
September 20, 2017: Human Reproduction Update
https://www.readbyqxmd.com/read/29029239/what-does-the-sleeping-brain-say-syntax-and-semantics-of-sleep-talking-in-healthy-subjects-and-in-parasomnia-patients
#9
Isabelle Arnulf, Ginevra Uguccioni, Frederick Gay, Etienne Baldayrou, Jean-Louis Golmard, Frederique Gayraud, Alain Devevey
Objectives: Speech is a complex function in humans, but the linguistic characteristics of sleep talking are unknown. We analyzed sleep-associated speech in adults, mostly (92%) during parasomnias. Methods: The utterances recorded during night-time video-polysomnography were analyzed for number of words, propositions and speech episodes, frequency, gaps and pauses (denoting turn-taking in the conversation), lemmatization, verbosity, negative/imperative/interrogative tone, first/second person, politeness and abuse...
October 5, 2017: Sleep
https://www.readbyqxmd.com/read/29029010/call-for-action-invasive-fungal-infections-associated-with-ibrutinib-and-other-small-molecule-kinase-inhibitors-targeting-immune-signaling-pathways
#10
Georgios Chamilos, Michail S Lionakis, Dimitrios P Kontoyiannis
Opportunistic infections caused by Pneumocystis jirovecii, Cryptococcus neoformans, and ubiquitous airborne filamentous fungi have been recently reported in patients with hematological cancers historically considered at low risk for invasive fungal infections (IFIs), after receipt of the Bruton tyrosine kinase inhibitor ibrutinib. The spectrum and severity of IFIs often observed in these patients implies the presence of a complex immunodeficiency that may not be solely attributed to mere inhibition of Bruton tyrosine kinase...
September 27, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29028856/ethnicity-and-aging-skin
#11
Andrew F Alexis, Jasmine O Obioha
<p>Aging is a complex process influenced by both extrinsic and intrinsic factors. Premature signs of aging due to cumulative UV exposure represent a major concern of the cosmetic patient. Skin of color is less susceptible to photodamage and thus signs of aging are less pronounced and occur later than in Caucasians. Understanding structural and functional differences among different racial/ethnic groups is important to achieve favorable treatment outcomes when addressing aging concerns.</p> <p><em<J Drugs Dermatol...
June 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/29028762/intermittent-versus-continuous-and-intermittent-medications-for-pain-and-sedation-after-pediatric-cardiothoracic-surgery-a-randomized-controlled-trial
#12
Jamie S Penk, Cheryl A Lefaiver, Colleen M Brady, Christine M Steffensen, Kimberly Wittmayer
OBJECTIVES: Compare continuous infusions of morphine and midazolam in addition to intermittent doses with an intermittent only strategy for pain and sedation after pediatric cardiac surgery. DESIGN: Randomized controlled trial. SETTING: Advocate Children's Hospital, Oak Lawn, IL. PATIENTS: Sixty patients 3 months to 4 years old with early extubation after pediatric cardiac surgery. INTERVENTIONS: Patients received a continuous infusion of morphine and midazolam or placebo for 24 hours...
October 12, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/29028758/mr-neurography-of-lumbosacral-plexus-in-failed-back-surgery-syndrome
#13
Riham Dessouky, Mohammed Khaleel, Dalia N Khalifa, Hazim I Tantawy, Avneesh Chhabra
STUDY DESIGN: Retrospective clinical case series. OBJECTIVE: To study the role of MRN of lumbosacral plexus in management of patients with FBSS. SUMMARY OF BACKGROUND DATA: Failed back surgery syndrome (FBSS) is one of the major problems in health care, affecting up to 40% of patients following spine surgery. To date, no imaging modality has been used to effectively classify nerve compression, since nerve injuries are challenging to detect on conventional lumbar spine MRI...
October 12, 2017: Spine
https://www.readbyqxmd.com/read/29028639/implications-of-mitochondrial-dysfunction-for-the-anesthetic-and-perioperative-management-a-case-report-of-spinal-fusion-genetic-confusion-and-a-patient-s-perspective
#14
Linda S Aglio, Brian T Lockhart, Jeantine E Lunshof, Christoph S Nabzdyk
We describe a patient's personal struggle with a symptom complex consisting of profound muscle weakness requiring pyridostigmine, and metabolic abnormalities suggestive of mitochondrial disease. This included a profound sensitivity to opioids, which in the past caused severe respiratory depression during a prior hospital admission. Interestingly, the patient herself is a professor of ethics in genomic sciences, and she and her medical team thus far have not been able to formally diagnose her with mitochondrial disease...
October 12, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/29028305/fast-image-guided-stratification-using-anti-programmed-death-ligand-1-gold-nanoparticles-for-cancer-immunotherapy
#15
Rinat Meir, Katerina Shamalov, Tamar Sadan, Menachem Motiei, Gur Yaari, Cyrille J Cohen, Rachela Popovtzer
Cancer immunotherapy has made enormous progress in offering safer and more effective treatments for the disease. Specifically, programmed death-ligand 1 antibody (αPDL1), designed to perform immune checkpoint blockade (ICB), is now considered a pillar in cancer immunotherapy. However, due to the complexity and heterogeneity of tumors, as well as the diversity in patient response, ICB therapy has only a 30 percent success rate, at most; moreover, the efficacy of ICB can be evaluated only two months after start of treatment...
October 13, 2017: ACS Nano
https://www.readbyqxmd.com/read/29028222/role-of-rbp2-induced-er-and-igf1r-erbb-signaling-in-tamoxifen-resistance-in-breast-cancer
#16
Hee-Joo Choi, Hyeong-Seok Joo, Hee-Young Won, Kyueng-Whan Min, Hyung-Yong Kim, Taekwon Son, Young-Ha Oh, Jeong-Yeon Lee, Gu Kong
Background: Despite the benefit of endocrine therapy, acquired resistance during or after treatment still remains a major challenge in estrogen receptor (ER)-positive breast cancer. We investigated the potential role of histone demethylase retinoblastoma-binding protein 2 (RBP2) in endocrine therapy resistance of breast cancer. Methods: Survival of breast cancer patients according to RBP2 expression was analyzed in three different breast cancer cohorts including METABRIC (n = 1980) and KM plotter (n = 1764)...
April 1, 2018: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/29028185/time-varying-time-frequency-complexity-measures-for-epileptic-eeg-data-analysis
#17
Marcelo A Colominas, Mohamad El Sayed Hussein Jomaa, Nisrine Jrad, Anne Humeau-Heurtier, Patrick Van Bogaert
OBJECTIVE: Our goal is to use existing and to propose new time-frequency entropy measures that objectively evaluate the improvement on epileptic patients after medication by studying their resting state EEG recordings. An increase in the complexity of the signals would confirm an improvement in the general state of the patient. METHODS: We review the Rényi entropy based on time-frequency representations, along with its time-varying version. We also discuss the entropy based on singular value decomposition computed from a time-frequency representation, and introduce its corresponding time-dependant version...
October 11, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/29027943/low-grade-dysplastic-nodules-revealed-as-the-tipping-point-during-multistep-hepatocarcinogenesis-by-dynamic-network-biomarkers
#18
Lina Lu, Zhonglin Jiang, Yulin Dai, Luonan Chen
Hepatocellular carcinoma (HCC) is a complex disease with a multi-step carcinogenic process from preneoplastic lesions, including cirrhosis, low-grade dysplastic nodules (LGDNs), and high-grade dysplastic nodules (HGDNs) to HCC. There is only an elemental understanding of its molecular pathogenesis, for which a key problem is to identify when and how the critical transition happens during the HCC initiation period at a molecular level. In this work, for the first time, we revealed that LGDNs is the tipping point (i...
October 13, 2017: Genes
https://www.readbyqxmd.com/read/29027810/electrocardiographic-characteristics-associated-with-in-hospital-outcome-in-patients-with-left-main-acute-coronary-syndrome-for-contriving-a-new-risk-stratification-score
#19
Takayuki Iida, Fumito Tanimura, Kyoko Takahashi, Hideki Nakamura, Satoshi Nakajima, Motoyuki Nakamura, Yoshihiro Morino, Tomonori Itoh
AIM: The aim of this study was to evaluate electrocardiographic characteristics associated with in-hospital prognosis in patients with left main acute coronary syndrome. METHODS AND RESULTS: A total of 89 left main acute coronary syndrome subjects were selected from 3357 consecutive acute coronary syndrome patients (2.7%). Patients of this study were divided into two groups; those who survived and those who died. Patients' characteristics and electrocardiogram on admission were then retrospectively analyzed between the two groups...
December 1, 2016: European Heart Journal. Acute Cardiovascular Care
https://www.readbyqxmd.com/read/29027765/factor-xiii-deficiency-diagnosis-challenges-and-tools
#20
REVIEW
M Karimi, F Peyvandi, M Naderi, A Shapiro
Factor XIII deficiency (FXIIID) is a rare hereditary bleeding disorder arising from heterogeneous mutations, which can lead to life-threatening hemorrhage. The diagnosis of FXIIID is challenging due to normal standard coagulation assays requiring specific FXIII assays for diagnosis, which is especially difficult in developing countries. This report presents an overview of FXIIID diagnosis and laboratory methods and suggests an algorithm to improve diagnostic efficiency and prevent missed or delayed FXIIID diagnosis...
October 13, 2017: International Journal of Laboratory Hematology
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