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Martijn H G M van der Pas, Charlotte L Deijen, Gabor S A Abis, Elly S M de Lange-de Klerk, Eva Haglind, Alois Fürst, Antonio M Lacy, Miguel A Cuesta, Hendrik J Bonjer
BACKGROUND: Laparoscopic surgery offers patients with rectal cancer short-term benefits and similar survival rates as open surgery. However, selecting patients who are suitable candidates for laparoscopic surgery is essential to prevent intra-operative conversion from laparoscopic to open surgery. Clinical and pathological variables were studied among patients who had converted laparoscopic surgeries within the COLOR II trial to improve patient selection for laparoscopic rectal cancer surgery...
October 20, 2016: Surgical Endoscopy
Pedro Romero-Aroca, Marc Baget-Bernaldiz, Alicia Pareja-Rios, Maribel Lopez-Galvez, Raul Navarro-Gil, Raquel Verges
Diabetic macular edema (DME) can cause blindness in diabetic patients suffering from diabetic retinopathy (DR). DM parameters controls (glycemia, arterial tension, and lipids) are the gold standard for preventing DR and DME. Although the vascular endothelial growth factor (VEGF) is known to play a role in the development of DME, the pathological processes leading to the onset of this disease are highly complex and the exact sequence in which they occur is still not completely understood. Angiogenesis and inflammation have been shown to be involved in the pathogenesis of this disease...
2016: Journal of Diabetes Research
Jae Hwan Oh, Sung Chan Park, Min Jung Kim, Byung Kwan Park, Jong Hee Hyun, Hee Jin Chang, Kyung Su Han, Dae Kyung Sohn
PURPOSE: To evaluate the feasibility of transanal total mesorectal excision (TME) in patients with rectal cancer. METHODS: This study enrolled 12 patients with clinically node negative rectal cancer located 4-12 cm from the anal verge who underwent transanal endoscopic TME with the assistance of single port laparoscopic surgery between September 2013 and August 2014. The primary endpoint was TME quality; secondary endpoints included number of harvested lymph nodes and postoperative complications within 30 days (NCT01938027)...
October 2016: Annals of Surgical Treatment and Research
Marc Jubeau, Thomas Rupp, John Temesi, Stéphane Perrey, Bernard Wuyam, Guillaume Y Millet, Samuel Verges
PURPOSE: Prolonged cycling exercise performance in normoxia is limited due to both peripheral and central neuromuscular impairments. It has been reported that cerebral perturbations are greater during short-duration exercise in hypoxia compared to normoxia. The purpose of this study was to test the hypothesis that central deficits are accentuated in hypoxia compared to normoxia during prolonged (3 bouts of 80 min separated by 25 min) whole-body exercise at the same relative intensity...
October 6, 2016: Medicine and Science in Sports and Exercise
Yuzo Nagai, Sinsuke Kazama, Daisuke Yamada, Takuya Miyagawa, Koji Murono, Koji Yasuda, Takeshi Nishikawa, Toshiaki Tanaka, Tomomichi Kiyomatsu, Keisuke Hata, Kazushige Kawai, Yuri Masui, Hiroaki Nozawa, Hironori Yamaguchi, Soichiro Ishihara, Takafumi Kadono, Toshiaki Watanabe
Treatment of perianal and vulvar extramammary Paget disease (EMPD), rare intraepithelial malignancies, is often challenging because of its potential to spread into the anal canal. However, there is still no consensus regarding the optimal resection margin within the anal canal. Between 2004 and 2014, six patients (three with perianal EMPD and three with vulvar EMPD) in which the spread of Paget cells into the anal canal was highly suspected were referred to our department. To evaluate the disease extent within the anal canal, preoperative mapping biopsy of the anal canal was performed in five out of six patients...
October 2016: Annals of Dermatology
Marta Penna, Roel Hompes, Steve Arnold, Greg Wynn, Ralph Austin, Janindra Warusavitarne, Brendan Moran, George B Hanna, Neil J Mortensen, Paris P Tekkis
OBJECTIVE: This study aims to report short-term clinical and oncological outcomes from the international transanal Total Mesorectal Excision (taTME) registry for benign and malignant rectal pathology. BACKGROUND: TaTME is the latest minimally invasive transanal technique pioneered to facilitate difficult pelvic dissections. Outcomes have been published from small cohorts, but larger series can further assess the safety and efficacy of taTME in the wider surgical population...
October 4, 2016: Annals of Surgery
Jean-Michel Petit, Jean-Pierre Cercueil, Romaric Loffroy, Damien Denimal, Benjamin Bouillet, Coralie Fourmont, Olivier Chevallier, Laurence Duvillard, Bruno Vergès
BACKGROUND: Non-alcoholic fatty liver disease (NAFLD) is very frequent in type 2 diabetes with increased risk of further development of liver fibrosis. Animal studies have shown that GLP-1 receptor agonists may reduce liver lipogenesis. However, data in humans are scarce. OBJECTIVE: To study the effect of liraglutide 1.2 mg/d on liver fat content (LFC) in patients with uncontrolled type 2 diabetes and to evaluate the factors potentially associated with liraglutide-induced modification of LFC...
October 12, 2016: Journal of Clinical Endocrinology and Metabolism
Young Seob Shin, Yong Sik Yoon, Seok-Byung Lim, Chang Sik Yu, Tae Won Kim, Heung Moon Chang, Jin-Hong Park, Seung Do Ahn, Sang-Wook Lee, Eun Kyung Choi, Jin Cheon Kim, Jong Hoon Kim
PURPOSE: To investigate whether preoperative chemoradiotherapy (PCRT) followed by local excision (LE) is feasible approach in clinical T2N0 rectal cancer patients. MATERIALS AND METHODS: Patients who received PCRT and LE because of clinical T2 rectal cancer within 7 cm from anal verge between January 2006 and June 2014 were retrospectively analyzed. LE was performed in case of a good clinical response after PCRT. Patients' characteristics, treatment record, tumor recurrence, and treatment-related complications were reviewed at a median follow-up of 49 months...
September 2016: Radiation Oncology Journal
Kiryu Yap, Sarah Mills, Michelle Thomas, James Moore
BACKGROUND: To establish the incidence of unsuspected malignancy in lesions excised through transanal endoscopic microsurgery (TEM) and examine the justification for full-thickness excision of all lesions thought to be benign pre-operatively. METHODS: Demographic, operative and pathology data of all patients undergoing TEM at a single institution were collected in a prospectively maintained database. Follow-up data were collected with a focus on polyp recurrence rates and outcome in patients found to harbour malignancy...
October 9, 2016: ANZ Journal of Surgery
Jane de Verges, Volker Nehring
Social insects have received attention for their extreme lifespan variation and reversal of the fecundity/longevity trade-off. However, proximate causes of senescence in general are disputed, and social insects often fail to meet the predictions of prevailing models. We present evidence for and against the long-held free radical theory of aging in social insects, and consider the application of the competing hyperfunction theory. Current results present problems for both theories, and a more complex picture of the biological processes involved emerges...
August 2016: Current Opinion in Insect Science
Ingrid Möller, Myriam Gharbi, Helena Martinez Serrano, Marta Herrero Barbero, Josep Verges Milano, Yves Henrotin
BACKGROUND: The aim of this study was to investigate the effects of chondroitin sulfate (CS) on the serum levels of Coll2-1 in patients with knee OA. METHODS: Seventy two patients with unilateral symptomatic knee OA were involved in a post-authorization open-label study evaluating CS (800 mg/day). The primary outcome was the % relative change in serum Coll2-1 (sColl2-1). The secondary outcomes were the evaluation of pain (VAS) and function (Lequesne's Index). Responders and non-responders were classified according to OMERACT-OARSI recommendations...
October 6, 2016: BMC Musculoskeletal Disorders
Stefan Benz, Hagen Barlag, Michael Gerken, Alois Fürst, Monika Klinkhammer-Schalke
BACKGROUND: The long-term outcomes after laparoscopic surgery for colon cancer remain debatable, as randomized trials have reported similar outcomes for open and laparoscopic surgery but population-based data are scarce. Thus, it is unclear whether, outside of clinical trials, laparoscopic surgery that is performed as a standard clinical treatment has detrimental effects on patients' long-term survival. METHODS: This study examined a unified database of 30 German regional cancer registries for patients with colorectal cancer who were diagnosed between 2003 and 2011...
October 4, 2016: Surgical Endoscopy
Naohito Beppu, Fumihiko Kimura, Tsukasa Aihara, Hiroshi Doi, Naohiro Tomita, Hidenori Yanagi, Naoki Yamanaka
BACKGROUND: Short-course radiotherapy with delayed surgery (SRT-delay) is still under clinical investigation for its efficacy in treating low rectal cancer (≤5 cm from the anal verge). This study was designed to assess the pattern of local recurrence and oncologic outcomes in T3 low rectal cancer treated with SRT-delay. METHODS: This study enrolled T3 low rectal cancer patients without distant metastasis between 2003 and 2015. All patients received total mesorectal excision following SRT-delay (25 Gy/10 fractions/5 days + S-1 radiosensitizer with a 4-week delay of surgery)...
October 3, 2016: Annals of Surgical Oncology
Shingo Noura, Masayuki Ohue, Norikatsu Miyoshi, Masayoshi Yasui
Transanal excision (TAE) for rectal tumors is increasingly applied and it is generally recommended that the defect following full-thickness excision should be closed. The aim of this study was to compare the complications and anal function following TAE between cases where the defect was closed and those where it was not. A total of 43 consecutive rectal malignant tumor patients eligible for TAE were investigated. Regarding anorectal function, incontinence was assessed using the Wexner score. The defect of the rectum was closed in 21 of the 43 patients...
October 2016: Molecular and Clinical Oncology
Alessandro Sturiale, Jacopo Martellucci, Letizia Zurli, Carla Vaccaro, Luigi Brusciano, Paolo Limongelli, Ludovico Docimo, Andrea Valeri
PURPOSE: This is a retrospective analysis including all of the patients that have undergone anterior resection for rectal cancer from January 1998 to December 2005 in two tertiary referral centers. The study aims to evaluate the long term functional results after low anterior resection and to identify the risk factors of postoperative bowel disorders. METHOD: Data were collected from the clinical records, and then the low anterior resection syndrome score which is a specific questionnaire to investigate the symptoms after surgery was submitted to the selected patients...
September 30, 2016: International Journal of Colorectal Disease
Sébastien Baillieul, Dominic Perennou, Mathieu Marillier, Jean-Louis Pépin, Samuel Vergès, Bernard Wuyam
OBJECTIVE: Obstructive sleep apnea (OSA) is now widely seen as a major public health issue with widespread societal consequences. In addition to an increased stroke risk, OSA leads to cerebral consequences including cognitive deficits that impair quality of life and daily functioning. In a recent uncontrolled study, moderate-to-severe OSA have been associated with higher stride time variability (STV), reflecting poor gait control (Celle, Annweiler et al., 2014). STV is a clinical marker of cortical gait control linked with cognitive performance and cerebral integrity (Beauchet, Annweiler et al...
September 2016: Annals of Physical and Rehabilitation Medicine
Benhua Xu, Yuangui Chen, Yuyan Guo, Debao Zhou, Zhicao Yue, Qing Duan, Yinghong Yang, Guoxian Guan, Pan Chi, Chi Lin
OBJECTIVES: To evaluate pretreatment tumor thickness in predicting pathologic complete response (pCR) of stage II/III rectal adenocarcinoma to neoadjuvant chemoradiation (chemoradiotherapy [CRT]). METHODS: We retrospectively analyzed 185 patients who were diagnosed with stage II or III rectal adenocarcinoma from January 2011 to July 2013 and treated with neoadjuvant intensity-modulated radiation therapy (45 Gy in 1.8-Gy fractions to pelvis and 50 Gy in 2-Gy fractions to rectal tumor as an integrated boost) or 3 dimensionally conformal radiation therapy (45 Gy in 1...
September 26, 2016: American Journal of Clinical Oncology
Monica Ortenzi, Roberto Ghiselli, Maria Michela Cappelletti Trombettoni, Luca Cardinali, Mario Guerrieri
AIM: To analyze the outcomes of transanal endoscopic microsurgery (TEM) in the treatment of rare rectal condition like mesenchymal tumors, condylomas, endometriosis and melanoma. METHODS: We retrospectively reviewed a twenty-three years database. Fifty-two patients were enrolled in this study. The lesions were considered suitable for TEM if they were within 20 cm from the anus. All of them underwent an accurate preoperative workup consisting in clinical examination, total colonoscopy with biopsies, endoscopic ultrasonography, and pelvic computerized tomography or pelvic magnetic resonance imaging...
September 16, 2016: World Journal of Gastrointestinal Endoscopy
Christopher Stanly, Immacolata Fiume, Giovambattista Capasso, Gabriella Pocsfalvi
Exosomes are nanovesicles of endocytic origin that are about 30-100 nm in diameter, surrounded by a lipid bilayer membrane, and contain proteins, nucleic acids, and other molecules. Mammalian cells- and biological fluids-derived exosomes have become the subject for a wide range of investigations in biological and biomedical sciences. More recently, a new interest is on the verge of rising: the presence of nanovesicles in plants. Lipoprotein vesicles from apoplastic fluid and exosome-like vesicles (ELVs) from fruit juice have been isolated and shown that they could be loaded with drugs and uptaken by recipient cells...
2016: Methods in Molecular Biology
Samuel Verges, Thomas Rupp, Marjorie Villien, Laurent Lamalle, Irène Troprés, Camille Poquet, Jan M Warnking, François Estève, Pierre Bouzat, Alexandre Krainik
OBJECTIVE: Hypoxic exposure in healthy subjects can induce acute mountain sickness including headache, lethargy, cerebral dysfunction, and substantial cerebral structural alterations which, in worst case, can lead to potentially fatal high altitude cerebral edema. Within this context, the relationships between high altitude-induced cerebral edema, changes in cerebral perfusion, increased brain parenchyma volume, increased intracranial pressure, and symptoms remain unclear. METHODS: In 11 subjects before and after 6 days at 4350 m, we performed multiparametric magnetic resonance investigations including anatomical, apparent diffusion coefficient and arterial spin labeling sequences...
2016: Frontiers in Physiology
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