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Maryam Alfa-Wali, Samantha Muktar, Dimitrios Pissas, Ceri Slater
A 48-year-old man presented as an emergency with a 3-week history of rectal bleeding. Examination of his rectum revealed a circumferential tumour, 2 cm from the anal verge. An MRI scan reported a locally infiltrative mid-lower rectal tumour staged as T3d/T4 N2 MX. A colonoscopy revealed appearances of severe proctitis and biopsies did not show any evidence of dysplasia or malignancy. The patient was discussed at the regional colorectal cancer multidisciplinary team meeting with a management plan for neoadjuvant chemoradiotherapy following repeat biopsies, which were again negative for malignancy...
March 15, 2018: BMJ Case Reports
Alessandra Di Giovanni, Lucia Casarella, Marina Coppola, Domenico Iuzzolino, Marianna Rasile, Mario Malzoni
STUDY OBJECTIVE: To assess sensitivity and accuracy of combined transvaginal/transabdominal ultrasonography for evaluation of deep infiltrating bowel endometriosis nodules measured after surgery. DESIGN: A prospective study (Canadian Task Force classification II.1). SETTING: A Center for Advanced Endoscopic Gynecologic Surgery from January 2014 to December 2016. PATIENTS: All women undergoing laparoscopic surgery and scheduled for segmental resection for clinically suspected bowel endometriosis...
March 12, 2018: Journal of Minimally Invasive Gynecology
Jenna-Lynn B Senger, Valerie M K Verge, K Ming Chan, Christine A Webber
By altering the intrinsic metabolism of the cell, including the upregulation of regeneration-associated genes (RAGs) and the production of structural proteins for axonal outgrowth, the conditioning lesion sets up an environment highly conducive to regeneration. In this review, we assess forty years of research to provide a comprehensive overview of the conditioning lesion literature, directed at: a) discussing the mechanisms of, and barriers to nerve regeneration that can be mitigated by the conditioning lesion; b) describing the cellular and molecular pathways implicated in the conditioning lesion effect; and c) deliberating on how these insights might be applied clinically...
March 14, 2018: Annals of Neurology
Ri Na Yoo, Gun Kim, Bong-Hyeon Kye, Hyeon-Min Cho, HyungJin Kim
PURPOSE: Sphincter-saving surgery is widely accepted operative modality to treat rectal cancer. It often requires temporary diverting stoma to avoid the complications of anastomotic failure. This study investigates the cumulative failure rate in sphincter preservation for rectal cancer and the risk factors associated with the permanent stoma. METHODS: A retrospective study on 358 patients diagnosed with primary rectal cancer from 2009 to 2013 was conducted at a single institute...
March 12, 2018: International Journal of Colorectal Disease
A L Collins, Y Zhang, S McMillan, E R Dixon, A Stringfellow, S Bateman, D A Sear
Oxygen demand in river substrates providing important habitats for the early life stages of aquatic ecology, including lithophilous fish, can arise due to the oxidation of sediment-associated organic matter. Oxygen depletion associated with this component of river biogeochemical cycling, will, in part, depend on the sources of such material. A reconnaissance survey was therefore undertaken to assess the relative contributions from bed sediment-associated organic matter sources potentially impacting on the River Axe Special Area of Conservation (SAC), in SW England...
December 2017: River Research and Applications
Mark D Bartholomä
While radioimmunotherapy (RIT) for the treatment of hematological malignancies such as indolent B-cell lymphoma has proven quite successful, clinical results of RIT in solid tumors have only been moderate in the past. The reasons were manifold and can be mostly attributed to the different biological properties of solid tumors vs. hematological cancers. Furthermore, the slow clearance of the radiolabelled antibody prevents the use of radiation doses necessary to achieve clinical responses. The long biological half-life of radioimmunoconjugates results in high background levels and is the main reason for radiation related toxicities...
March 9, 2018: Journal of Labelled Compounds & Radiopharmaceuticals
Monique Mendelson, Sébastien Bailly, Mathieu Marillier, Patrice Flore, Jean Christian Borel, Isabelle Vivodtzev, Stéphane Doutreleau, Samuel Verges, Renaud Tamisier, Jean-Louis Pépin
A systematic review of English and French articles using Pubmed/Medline and Embase included studies assessing objective physical activity levels of obstructive sleep apnea (OSA) patients and exploring the effects of exercise training on OSA severity, body mass index (BMI), sleepiness, and cardiorespiratory fitness [peak oxygen consumption (VO2peak)]. Two independent reviewers analyzed the studies, extracted the data, and assessed the quality of evidence. For objective physical activity levels, eight studies were included...
2018: Frontiers in Neurology
Wonyong Lee, Gap Ryol Lee
Regulatory T (Treg) cells are a distinct subset of CD4+ T cells. Instead of triggering adaptive immunity, they suppress immune responses. Small numbers of Treg cells reside within lymphoid organs and peripheral tissues, but their contribution to immune tolerance is so significant that defects in Treg cell function cause catastrophic immune disorders. Since they were first discovered 20 years ago, efforts have been made to understand the differences in developmental processes between Treg cells and conventional T cells that determine the ultimate fate of the overall T-cell population...
March 9, 2018: Experimental & Molecular Medicine
Aman Chauhan, Millicent Horn, Gray Magee, Kurt Hodges, Mark Evers, Susanne Arnold, Lowell Anthony
This unique case series and review of literature suggests that immune checkpoint inhibitors may have clinical activity in neuroendocrine tumors. Objective: Summarize advances of immuno-oncology in neuroendocrine tumors with the help of a case series. Design: Case series and review of literature. Intervention or Exposure: The patients were treated with immune checkpoint inhibitors (pembrolizumab or nivolumab). Main Outcomes and Measuress: Life expectancy, quality of life, disease progression...
February 6, 2018: Oncotarget
William H Ward, Elin R Sigurdson, Andrew C Esposito, Karen J Ruth, Samuel M Manstein, Eric C Sorenson, Brian D Wernick, Jeffrey M Farma
BACKGROUND: Despite advances in the treatment of rectal adenocarcinoma, the management of locally advanced disease remains a challenge. The standard of care for patients with stages II and III rectal cancer includes neoadjuvant chemoradiation followed by total mesorectal excision and postoperative chemotherapy. Much effort has been dedicated to the identification of predictive factors associated with pathologic complete response (pCR). The aim of our study was to examine our institutional experience and determine whether any association exists between anatomic tumor location and the rate of pCR...
April 2018: Journal of Surgical Research
Jean-Baptiste Guyon, Valérie Vergé, Philippe Schatt, Jean-Claude Lozano, Marion Liennard, François-Yves Bouget
Microalgae are promising sources for the sustainable production of compounds of interest for biotechnologies. Compared to higher plants, microalgae have a faster growth rate and can be grown in industrial photobioreactors. The microalgae biomass contains specific metabolites of high added value for biotechnology such as lipids, polysaccharides or carotenoid pigments. Studying carotenogenesis is important for deciphering the mechanisms of adaptation to stress tolerance as well as for biotechnological production...
February 28, 2018: Marine Drugs
Marie-Philippe Vergé, Hubert Cochet, Amélie Reynaud, Lucas Morlon, Jérôme Peyrou, Cécile Vincent, Caroline Rooryck, Philippe Ritter, Stéphane Lafitte, Patricia Réant
To evaluate the severity of hypertrophic cardiomyopathy (HCM) according to global, regional, and multi-layer longitudinal strain (LS) analysis using speckle-tracking echocardiography. From February 2007 to November 2014, we prospectively evaluated 375 consecutive HCM patients referred to our specialized cardiomyopathy center. Demographics, clinical, and rest and exercise echocardiographic parameters were collected according to a completely standardized protocol. Global, regional, and multilayer strain analyses were performed...
February 27, 2018: International Journal of Cardiovascular Imaging
Sébastien Baillieul, Bernard Wuyam, Jean-Louis Pépin, Mathieu Marillier, Renaud Tamisier, Dominic Pérennou, Samuel Verges
STUDY AIM: Severe obstructive sleep apnoea (OSA) can lead to neurocognitive alterations, including gait impairments. The beneficial effects of continuous positive airway pressure (CPAP) on improving excessive daytime sleepiness and daily functioning have been documented. However, a demonstration of CPAP treatment efficacy on gait control is still lacking. This study aims to test the hypothesis that CPAP improves gait control in severe OSA patients. MATERIAL AND METHODS: In this prospective controlled study, twelve severe OSA patients (age = 57...
2018: PloS One
Kenneth V Iserson
BACKGROUND: In the last few decades, "burnout syndrome" has become more common among clinicians, or at least more frequently recognized. Methods to prevent and treat burnout have had inconsistent results. Simultaneously, clinicians' interest in global medicine has increased dramatically, offering a possible intervention strategy for burnout while providing help to underserved areas. DISCUSSION: Caused by a variety of stressors, burnout syndrome ultimately results in physicians feeling that their work no longer embodies why they entered the medical field...
February 19, 2018: Journal of Emergency Medicine
Se-Jin Baek, Jung-Myun Kwak, Jin Kim, Seon-Hahn Kim, Sungsoo Park
BACKGROUND: The aim of this study is to analyze the progress and the present state of application of robotic rectal surgery in Korea. METHODS: We used data from patients who underwent robotic, laparoscopic or open approaches for four types of operative procedures between 2006 and 2014: (1) anterior resection (AR), (2) low anterior resection (LAR), (3) intersphincteric resection (ISR) and (4) abdominoperineal resection (APR). RESULTS: The number of hospitals performing robotic rectal surgery has increased...
February 22, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
Yafit Sulimani-Aidan, Eran Melkman, Chan M Hellman
Hope has long been viewed as important to individuals attempting to overcome obstacles. Overall hope is the combination of one's appraisal of capability and determination to achieve goals (Agency) and identifying viable routes to reach them (Pathway) (Snyder, 1994). The main goal of this study was to examine the incremental contribution of mentoring to hope among youth on the verge of leaving care above and beyond related personal characteristics and placement history. The sample included 148 adolescents in residential care in Israel who had adult mentors (ages 16-19)...
February 19, 2018: American Journal of Orthopsychiatry
Emi Akizuki, Hiroshi Matsuno, Tetsuta Satoyoshi, Masayuki Ishii, Akihiro Usui, Tomomi Ueki, Toshihiko Nishidate, Kenji Okita, Tsunekazu Mizushima, Masaki Mori, Ichiro Takemasa
BACKGROUND: The low anterior resection syndrome (LARS) score is a patient-reported outcome measure to evaluate the severity of bowel dysfunction after rectal cancer surgery by scoring the major symptoms of LARS. The aim of this study was to translate the English version of the LARS score into Japanese and to investigate the validity and reliability of the LARS score. METHODS: The LARS score was translated in Japanese following current international recommendations...
February 14, 2018: World Journal of Surgery
Chongda Zhang, Feng Ye, Yuan Liu, Han Ouyang, Xinming Zhao, Hongmei Zhang
Purpose: To evaluate the value of morphological parameters that can be obtained conveniently by MRI for predicting pathologically complete response (pCR) in patients with rectal cancer. Materials and Methods: A cohort of 101 patients was examined using MRI before and after Neoadjuvant chemoradiotherapy (nCRT). Morphological parameters including maximum tumor area (MTA), maximum tumor length (MTL) and maximum tumor thickness (MTT), as well as cylindrical approximated tumor volume (CATV), distance to anal verge (DTA), and the reduction rates were evaluated by two experienced readers independently...
January 12, 2018: Oncotarget
Frédéric Leroy, Teresa Aymerich, Marie-Christine Champomier-Vergès, Luca Cocolin, Luc De Vuyst, Mónica Flores, Françoise Leroi, Sabine Leroy, Régine Talon, Rudi F Vogel, Monique Zagorec
No abstract text is available yet for this article.
February 5, 2018: International Journal of Food Microbiology
Meenakshi Rajpoot, Anil K Sharma, Anil Sharma, Girish Kumar Gupta
The human body is a home to more than 1 trillion microbes with a diverse variety of commensal microbes that play a crucial role towards the health of the individual. These microbes occupy different habitats such as gut, skin, vagina, oral etc. Not only the types and abundance of microbes are different in different organs, but also these may differ in different individuals. The genome of these microbiota and their ecosystem constitute to form a microbiome. Factors such as diet, environment, host genetics etc...
February 6, 2018: Seminars in Cancer Biology
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