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Richard J Cassidy, Yuan Liu, Kirtesh Patel, Jim Zhong, Conor E Steuer, David A Kooby, Maria C Russell, Theresa W Gillespie, Jerome C Landry
BACKGROUND: Stage II and III rectal cancers have been effectively treated with neoadjuvant chemoradiotherapy (NCRT) followed by definitive resection. Advancements in surgical technique and systemic therapy have prompted investigation of neoadjuvant multiagent chemotherapy (NMAC) regimens with the elimination of radiation (RT). The objective of the current study was to investigate factors that predict for the use of NCRT versus NMAC and compare outcomes using the National Cancer Data Base (NCDB) for select stage II and III rectal cancers...
October 25, 2016: Cancer
Clayton W Nuelle, Jeffrey L Milles, Ferris M Pfeiffer, James P Stannard, Patrick A Smith, Mauricio Kfuri, James L Cook
No surgical technique recreates native posterior cruciate ligament (PCL) biomechanics. We compared the biomechanics of five different PCL reconstruction techniques versus the native PCL. Cadaveric knees (n = 20) were randomly assigned to one of five reconstruction techniques: Single bundle all-inside arthroscopic inlay, single bundle all-inside suspensory fixation, single bundle arthroscopic-assisted open onlay (SB-ONL), double bundle arthroscopic-assisted open inlay (DB-INL), and double bundle all-inside suspensory fixation (DB-SUSP)...
October 25, 2016: Journal of Knee Surgery
Sarah B Bateni, Frederick J Meyers, Richard J Bold, Robert J Canter
BACKGROUND: The impact of surgery on end of life care for patients with disseminated malignancy (DMa) is incompletely characterized. The purpose of this study was to evaluate postoperative outcomes impacting quality of care among DMa patients, specifically prolonged length of hospital stay, readmission, and disposition. METHODS: The American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) database was queried for years 2011-2012. DMa patients were matched to non-DMa patients with comparable clinical characteristics and operation types...
2016: PloS One
Wenjun Shang, Yuefeng Shen, Shilin Gao, Guiwen Feng, Yonghua Feng, Zhigang Wang, Xiaobai Zhang
Chronic kidney disease is becoming a global public health problem, which will usually cause uremia at the end stage of chronic kidney failure. So far, kidney transplant is the most effective and proper therapy for uremia, however, the short supply of matched donor kidney has been a persistent bottleneck for transplantation. HLA matching of HLA-A, -B and -DRB1 loci is very important for the allocation of kidney transplants. In this study, we investigated genotypes of HLA-A, -B and -DRB1 loci based on 1,464 uremia patients and 10,000 unrelated healthy individuals in Henan province of China, and compared the frequency distribution of these HLA alleles and corresponding haplotypes between patient and healthy groups...
2016: PloS One
Yuan-Hua Wu, Chia-Jui Yen, Jenn-Ren Hsiao, Chun-Yen Ou, Jehn-Shyun Huang, Tung-Yiu Wong, Sen-Tien Tsai, Cheng-Chih Huang, Wei-Ting Lee, Ken-Chung Chen, Sheen-Yie Fang, Jiunn-Liang Wu, Wei-Ting Hsueh, Forn-Chia Lin, Ming-Wei Yang, Jang-Yang Chang, Hsiao-Chen Liao, Shang-Yin Wu, Chen-Lin Lin, Yi-Hui Wang, Ya-Ling Weng, Han-Chien Yang, Yu-Shan Chen, Jeffrey S Chang
OBJECTIVES: Although betel quid (BQ) is an established risk factor of head and neck cancer (HNC), insufficiencies exist in the literature regarding the dose-response, BQ types, HNC sites, and BQ cessation. The current study was conducted to fill these insufficiencies. MATERIALS AND METHODS: A hospital-based case-control study was conducted to evaluate the association between BQ and HNC. In-person interview was conducted to collect data on BQ chewing. The current analysis included 487 men newly diagnosed with HNC and 617 male controls who were frequency-matched to the cases by age...
2016: PloS One
Anna M Dahlin, Carl Wibom, Soma Ghasimi, Thomas Brännström, Ulrika Andersson, Beatrice Melin
Genome-wide association studies and candidate gene studies have identified several genetic variants that increase glioma risk. The majority of these variants are non-coding and the mechanisms behind the increased risk in carriers are not known. In this study, we hypothesize that some of the established glioma risk variants induce aberrant DNA methylation in the developing tumor, either locally (gene-specific) or globally (genome-wide). In a pilot data set including 77 glioma patients, we used Illumina beadchip technology to analyze genetic variants in blood and DNA methylation in matched tumor samples...
2016: PloS One
Li Chen, Liang Luo, Wei Chen, Hong-Xu Xu, Fan Chen, Lian-Zhou Chen, Wen-Tao Zeng, Jing-Song Chen, Xiao-Hui Huang
MicroRNA-24 (miR-24), a member of the miRNA family, functions as an oncogene in various types of human cancer. However, the underlying mechanisms of miR-24 involvement in the development and progression of hepatocellular carcinoma (HCC) remain poorly understood. The present study revealed that miRNA-24 down-regulates p53 through binding to the 3'-UTR of p53 mRNA based on a luciferase reporter assay, and that the expression level of miR-24 could affect the invasion of HCC lines via p53. Down-regulation of p53 significantly attenuated the inhibitory effects of miR-24 knockdown on the invasion of HCC cells, suggesting that miR-24 could be a potential target for HCC treatment...
October 22, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Sónia Puga, Patrícia Pereira, Filipa Pinto-Ribeiro, Nelson J O'Driscoll, Erin Mann, Marisa Barata, Pedro Pousão-Ferreira, João Canário, Armando Almeida, Mário Pacheco
The current study aims to shed light on the neurotoxicity of MeHg in fish (white seabream - Diplodus sargus) by the combined assessment of: (i) MeHg toxicokinetics in the brain, (ii) brain morphometry (volume and number of neurons plus glial cells in specific brain regions) and (iii) fish swimming behavior (endpoints associated with the motor performance and the fear/anxiety-like status). Fish were surveyed for all the components after 7 (E7) and 14 (E14) days of dietary exposure to MeHg (8.7μgg(-1)), as well as after a post-exposure period of 28days (PE28)...
October 17, 2016: Aquatic Toxicology
Stephanie Lake, M-J Milloy, Huiru Dong, Kanna Hayashi, Evan Wood, Thomas Kerr, Kora DeBeck
OBJECTIVES: Prescription opioid (PO) injection among people who use illicit drugs (PWUD) is an ongoing concern, yet little is known about drug use trajectories associated with initiating PO injection, including potential associations with heroin use. This study aimed to identify predictors of PO injection initiation among PWUD, and examine trends in heroin use before and after initiating PO injection. METHODS: Data were merged from three cohorts of PWUD recruited between September 2005 and November 2015...
October 20, 2016: Drug and Alcohol Dependence
Eric J Warrant
As animals move through their environments they are subjected to an endless barrage of sensory signals. Of these, some will be of utmost importance, such as the tell-tale aroma of a potential mate, the distinctive appearance of a vital food source or the unmistakable sound of an approaching predator. Others will be less important. Indeed some will not be important at all. There are, for instance, wide realms of the sensory world that remain entirely undetected, simply because an animal lacks the physiological capacity to detect and analyse the signals that characterise this realm...
October 24, 2016: Current Biology: CB
Maris S Jones, Hitoe Torisu-Itakura, Devin C Flaherty, Hans F Schoellhammer, Jihey Lee, Myung-Shim Sim, Mark B Faries
The impact on survival of a second primary melanoma (SPM) is unclear. We used our melanoma center's database to examine clinicopathologic risk factors and outcomes of stage 0 to IV cutaneous melanoma in patients with one versus two primaries. Among 12,325 patients with primary melanoma, 969 (7.86%) developed SPM. SPMs were significantly thinner than autologous primary melanomas (P = 0.01), and 451 SPM patients had better overall and melanoma-specific survival than 451 prognostically matched non-SPM patients (P < 0...
October 2016: American Surgeon
Eugene Wang, Kenji Inaba, Jayun Cho, Saskya Byerly, Vincent Rowe, Elizabeth Benjamin, Lydia Lam, Demetrios Demetriades
Thrombosis is a devastating complication after repair of traumatic vascular injury. Although thrombosis rates have been described, the value of anticoagulation in preventing postrepair thrombosis is unknown. We hypothesize that postoperative anticoagulation reduces thrombosis rates. A total of 1524 consecutive patients with traumatic arterial injuries from January 2005 to June 2015 were identified, and 381 patients underwent the following repair types: direct suture of vessel wall, primary anastomosis, extra-anatomic reconstruction, tissue and synthetic interposition reconstruction...
October 2016: American Surgeon
Mohammed Al-Temimi, Charles Trujillo, John Agapian, Hanna Park, Ahmad Dehal, Samir Johna, Deron Tessier
Incidental appendectomy (IA) could potentially increase the risk of morbidity after abdominal procedures; however, such effect is not clearly established. The aim of our study is to test the association of IA with morbidity after abdominal procedures. We identified 743 (0.37%) IA among 199,233 abdominal procedures in the National Surgical Quality Improvement Program database (2005-2009). Cases with and without IA were matched on the index current procedural terminology code. Patient characteristics were compared using chi-squared test for categorical variables and Student t test for continuous variables...
October 2016: American Surgeon
Hem Desai, Bhupinder Natt, Samuel Kim, Christian Bime
RATIONALE: There is a paucity of data regarding the optimal surgical approach for lung lobectomy. Lobectomy performed by video-assisted thoracoscopic surgery (VATS) has been associated with lower morbidity as compared to thoracotomy. However, no multicenter studies have shown improved mortality with VATS lobectomy compared to open surgical lobectomy. OBJECTIVES: We used the United States Healthcare Cost and Utilization Project Nationwide Inpatient Sample (HCUP-NIS) database from 2009 to 2012 to compare VATS versus open lobectomy for in-hospital mortality and other short-term outcomes...
October 25, 2016: Annals of the American Thoracic Society
Hugh Sherman, Anh V Nguyen, Warren Bruckard
Atomic force microscopy makes it possible to measure the interacting forces between individual colloidal particles and air bubbles, which can provide a measure of the particle hydrophobicity. To indicate the level of hydrophobicity of the particle the contact angle can be calculated, assuming that no interfacial deformation occurs with the bubble retaining a spherical profile. Our experimental results obtained using a modified sphere tensiometry apparatus to detach sub-millimeter spherical particles show that deformation of the bubble interface does occur during particle detachment...
October 25, 2016: Langmuir: the ACS Journal of Surfaces and Colloids
Cheryl Tatano Beck, Jamie Rivera, Robert K Gable
INTRODUCTION: The purpose of this mixed-methods study was to investigate vicarious posttraumatic growth in certified nurse-midwives (CNMs) who have struggled after attending traumatic births. Vicarious posttraumatic growth involves positive changes in a clinician's life due to caring for patients who are traumatized. METHODS: A convergent parallel mixed-methods design was used. The American College of Nurse-Midwives (ACNM) sent out e-mails to all CNM members with a link to the electronic survey...
October 25, 2016: Journal of Midwifery & Women's Health
Yenupini Joyce Adams, Manfred Stommel, Adejoke Ayoola, Mildred Horodynski, Address Malata, Barbara Smith
PURPOSE: The purpose of this study was to examine women's evaluation of postpartum care services (postpartum clinical assessments, health education, and midwife kindness) received from midwives prior to discharge in rural health facilities, and to examine husband-and-wife-farmer dyads' reasons for their decisions to return or not return for 1-week postpartum care visits in rural central Malawi. DESIGN: Cross-sectional matched-pairs survey design. METHODS: Participants included a convenience sample of 70 husband-and-wife-farmer dyads living in rural communities who had a live birth in the past year at one of four health facilities in Ntcheu district, central Malawi...
October 25, 2016: Journal of Nursing Scholarship
Dingwei Zhang, Zhangjun Li, Yanfei Zhang, Chen Tu, Jia Huo, Yan Liu
Alterations in the levels and functions of microRNAs (miRs) have been associated with carcinogenesis. In this study, we investigated the role and underlying mechanism of miR-4262 in the proliferation of human cutaneous malignant melanoma (CMM) cells. The expression levels of miR-4262 were significantly upregulated in cancerous tissues compared with those in matched adjacent normal tissues from 110 CMM patients. miR-4262 was also regulated in five types of CMM cell lines, displaying an opposite expression pattern to that of Kruppel-like 6 (KLF6), a proven tumor suppressor in several cancers other than CMM...
October 21, 2016: Oncology Reports
Yu Wu, Bin Yue, Jia Liu
Obesity is characterized by the abnormal or excessive fat accumulation that may impair health and extensive increase in body mass index (BMI). Childhood obesity may occur due to disturbances in metabolic regulation, which lead to metabolic syndrome and other diseases. Peripheral blood suspended immune cells are responsible for immune surveillance. The aim of the present study was to map the inflammatory cytokine expression pattern of isolated peripheral blood mononuclear cells (PBMCs) following lipopolysaccharide (LPS) stress in vitro and clinical chemistry parameters in the plasma of subjects...
October 20, 2016: Molecular Medicine Reports
J S Yu, A Y Xue, E E Redei, N Bagheri
Major depressive disorder (MDD) is a critical cause of morbidity and disability with an economic cost of hundreds of billions of dollars each year, necessitating more effective treatment strategies and novel approaches to translational research. A notable barrier in addressing this public health threat involves reliable identification of the disorder, as many affected individuals remain undiagnosed or misdiagnosed. An objective blood-based diagnostic test using transcript levels of a panel of markers would provide an invaluable tool for MDD as the infrastructure-including equipment, trained personnel, billing, and governmental approval-for similar tests is well established in clinics worldwide...
October 25, 2016: Translational Psychiatry
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