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https://www.readbyqxmd.com/read/28822967/temporal-dynamics-of-cardiac-hypertrophic-growth-in-response-to-pressure-overload
#1
Yuan Wang, Yuannyu Zhang, Guanqiao Ding, Herman May, Jian Xu, Thomas G Gillette, Hang Wang, Zhao V Wang
Hypertension is one of the most important risk factors of heart failure. In response to high blood pressure, the left ventricle manifests hypertrophic growth to ameliorate wall stress, which may progress into decompensation and trigger pathological cardiac remodeling. Despite the clinical importance, the temporal dynamics of pathological cardiac growth remains elusive. Here, we took advantage of the puromycin labeling approach to measure the relative rates of protein synthesis as a way to delineate the temporal regulation of cardiac hypertrophic growth...
August 19, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28817409/trest-as-a-new-diagnostic-variable-for-chronic-exertional-compartment-syndrome-of-the-forearm-a-prospective-cohort-analysis-of-124-athletes
#2
Sergi Barrera-Ochoa, Eva Correa-Vazquez, Irene Gallardo-Calero, Sleiman Haddad, Andrea Sallent, Francisco Soldado, David Campillo-Recio, Xavier Mir-Bullo
OBJECTIVES: To measure the accuracy of currently used intracompartmental pressure (ICP) diagnostic variables for forearm chronic exertional compartment syndrome (CECS) and a new ICP diagnostic variable, TRest, the recovery time between the maximum ICP and return to resting pressure. DESIGN: Retrospective cohort. Level evidence IV. SETTING: University-affiliated tertiary hospital. PARTICIPANTS: Patients with suspected forearm CECS, 1990 to 2014...
August 16, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28816586/oxidative-stress-in-the-visceral-fat-is-elevated-in-postmenopausal-women-with-gynecologic-cancer
#3
Megumi Narumi, Kazuhiro Takahashi, Hizuru Yamatani, Manabu Seino, Keiko Yamanouchi, Tsuyoshi Ohta, Toshifumi Takahashi, Hirohisa Kurachi, Satoru Nagase
OBJECTIVES: This study aimed to evaluate differences in oxidative stress of visceral fat between premenopausal and postmenopausal women and clarify the antioxidant effect of estrogen on adipocytes. MATERIALS AND METHODS: Abdominal subcutaneous and omental visceral adipose tissues were obtained from 38 patients who underwent gynecological surgery. We measured the sizes of the adipocytes and evaluated the lipid peroxidation levels in the adipose tissues. We investigated whether estrogen inhibited the intracellular reactive oxygen species (ROS) production that was induced by hydrogen peroxide (H2O2) in 3T3-L1 adipocytes...
August 17, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28810998/delayed-diagnosis-of-acromegaly-in-the-context-of-post-traumatic-stress-disorder-due-to-symptoms-mimicking-known-psychotropic-medication-side-effects
#4
Ray-Bernard Portier, Afshin Afarin, Sara Pope
BACKGROUND: Acromegaly is caused by elevated secretion of human growth hormone, which is frequently because of intracranial tumors. This diagnosis is fairly uncommon with an incidence of 3 to 4 cases per million patients per year. We are presenting a case of acromegaly diagnosed in an active duty Chief Petty Officer. MATERIALS AND METHODS: A 38-year-old male Chief Petty Officer with no previous mental health diagnosis experienced post-traumatic stress disorder (PTSD)-like symptoms in early 2012 after deploying to Iraq and Afghanistan from 2010 to 2011...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28809627/-the-use-of-btb-allograft-in-revision-reconstruction-of-the-anterior-cruciate-ligament-and-its-success-rate-in-terms-of-subjective-patient-satisfaction
#5
J Sklenský, P Vališ, M Repko, M Rouchal, M Maršálek, D Hrůzová
PURPOSE OF THE STUDY A retrospective evaluation of the success rate of revision ACL reconstruction performed using BTB allograft in terms of the life expectancy of the procedure up to and over five years from surgery. MATERIAL AND METHODS Over a ten-year period, from 2003 to 2013, we performed 47 revision ACL reconstruction surgeries. The majority of the primary ACL reconstructions using BTB autografts were not performed at our site. The group observed included 16 women (34%) and 31 men (66%). The women were aged between 25 and 48 years, the median age being 32...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28809518/mir-542-promotes-mitochondrial-dysfunction-and-smad-activity-and-is-raised-in-icu-acquired-weakness
#6
Roser Farre Garros, Richard Paul, Martin Connolly, Amy Lewis, Benjamin E Garfield, S Amanda Natanek, Susannah Bloch, Vincent Mouly, Mark J Griffiths, Michael I Polkey, Paul R Kemp
RATIONALE: Loss of skeletal muscle mass and function is a common consequence of critical illness and a range of chronic diseases but the mechanisms by which this occurs are unclear. OBJECTIVES: We aimed to identify miRNAs that were increased in the quadriceps of patients with muscle wasting and to determine the molecular pathways by which they contributed to muscle dysfunction. METHODS: miR-542-3p/-5p were quantified in the quadriceps of patients with COPD and intensive care unit acquired weakness (ICUAW)...
August 15, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28806788/chronic-unpredictable-stress-exacerbates-surgery-induced-sickness-behavior-and-neuroinflammatory-responses-via-glucocorticoids-secretion-in-adult-rats
#7
Na Wang, Hong Ma, Zhe Li, Yalei Gao, Xuezhao Cao, Yanhua Jiang, Yongjian Zhou, Sidan Liu
METHODS: Sprague-Dawley adult male rats (12-14 weeks old) were exposed to 14-day CUS and then subjected to partial hepatectomy 24 h after the last stress session. The rats were pretreated with an antagonist of the glucocorticoids (GCs) receptor RU486 (30 mg/kg, i.p.) 1 h prior to stress exposure. The behavioral changes were evaluated with open field test and elevated plus-maze test. The hippocampal cytokines interleukin (IL)-1β and IL-6 were measured on postoperative days 1, 3 and 7...
2017: PloS One
https://www.readbyqxmd.com/read/28800707/radiographic-results-and-return-to-activity-after-sesamoidectomy-for-fracture
#8
Justin M Kane, James W Brodsky, Yahya Daoud
BACKGROUND: Limited data are available comparing the results of lateral sesamoidectomy and medial sesamoidectomy for the treatment of fractures recalcitrant to nonoperative treatment interventions. The hypothesis of this study was that sesamoidectomy for either lateral or medial sesamoid fractures would not change radiographic alignment of the first ray given the use of identical reconstruction of the plantar plate, intersesamoid ligament, and plantar ligament complex at the time of surgery...
August 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28798989/perceived-postoperative-support-differentiates-responders-from-non-responders-3%C3%A2-years-after-laparoscopic-roux-en-y-gastric-bypass
#9
Ulrike B J M Ter Braak, Chris Hinnen, Marjolein M C de Jong, Arnold van de Laar
BACKGROUND: Bariatric surgery is an effective intervention for the majority of patients with morbid obesity, but a significant minority fails to achieve substantial weight loss. In the search of possible predictors of weight loss following bariatric surgery, preoperative factors turn out to have limited predictive power. This study will examine the impact of two postoperative factors on weight loss: perceived social support and stressful life events. METHODS: From the entire 2013 cohort that underwent laparoscopic Roux-and-Y gastric bypass (LRYGB) in a general hospital in the Netherlands, a group of 56 non-responders and a matched group of 56 responders were selected, using an alterable weight loss (%AWL)-based percentile chart...
August 11, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28791678/circulating-mitochondrial-stress-70-protein-mortalin-and-cytosolic-hsp70-in-blood-risk-indicators-in-colorectal-cancer
#10
Ritta Jubran, Judit Kocsis, Nóra Garam, Éva Maláti, Tímea Gombos, Lóránd Barabás, László Gráf, Zoltán Prohászka, Zvi Fishelson
Mitochondrial mortalin and cytosolic Hsp70 are essential chaperones overexpressed in cancer cells. Our goals were to reproduce our earlier findings of elevated circulating levels of mortalin and Hsp70 in colorectal cancer (CRC) patients with a larger patient cohort, to compare death risk assessment of mortalin, Hsp70, CEA and C19-9 and to assess their prognostic value in various CRC stages. Mortalin, Hsp70, CEA and CA19-9 levels were determined in sera of 235 CRC patients enrolled in the study and followed-up 5 years after surgery...
August 9, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28790926/moderate-exercise-allows-for-shorter-recovery-time-in-critical-limb-ischemia
#11
Anne Lejay, Gilles Laverny, Stéphanie Paradis, Anna-Isabel Schlagowski, Anne-Laure Charles, François Singh, Joffrey Zoll, Fabien Thaveau, Evelyne Lonsdorfer, Stéphane Dufour, Fabrice Favret, Valérie Wolff, Daniel Metzger, Nabil Chakfe, Bernard Geny
Whether and how moderate exercise might allow for accelerated limb recovery in chronic critical limb ischemia (CLI) remains to be determined. Chronic CLI was surgically induced in mice, and the effect of moderate exercise (training five times per week over a 3-week period) was investigated. Tissue damages and functional scores were assessed on the 4th, 6th, 10th, 20th, and 30th day after surgery. Mice were sacrificed 48 h after the last exercise session in order to assess muscle structure, mitochondrial respiration, calcium retention capacity, oxidative stress and transcript levels of genes encoding proteins controlling mitochondrial functions (PGC1α, PGC1β, NRF1) and anti-oxidant defenses markers (SOD1, SOD2, catalase)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28781134/psychological-effect-of-a-mass-casualty-event-on-general-surgery-residents
#12
William S Havron, Karen Safcsak, Joshua Corsa, Andrew Loudon, Michael L Cheatham
OBJECTIVE: To evaluate the psychological effect of a mass casualty shooting event on general surgery residents. DESIGN: Three and 7 months following the Pulse nightclub mass casualty shooting, the mental well-being of general surgery residents employed at the receiving institution was evaluated. A voluntary and anonymous screening questionnaire for posttraumatic stress disorder (PTSD) and major depression (MD) was administered. Responses were stratified into 2 groups; residents who worked (ON-CALL) and residents who did not work (OFF-CALL) the night of the event...
August 3, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28774861/multidisciplinary-tumor-board-decision-making-for-postoperative-radiotherapy-in-thymic-epithelial-tumors-insights-from-the-rythmic-prospective-cohort
#13
Clémence Basse, Sébastien Thureau, Suzanna Bota, Eric Dansin, Pascal-Alexandre Thomas, Eric Pichon, Hervé Lena, Carole Massabeau, Christelle Clement-Duchene, Gilbert Massard, Virginie Westeel, Xavier Quantin, Youssef Oulkhouir, Serge Danhier, Delphine Lerouge, Ronan Tanguy, François Thillays, Cécile Le Pechoux, Bernard Dubray, Luc Thiberville, Benjamin Besse, Nicolas Girard
BACKGROUND: Thymic Epithelial Tumors (TET) are rare intrathoracic malignancies for which surgery represents the mainstay of the treatment. Current practice for postoperative radiotherapy (PORT) is highly variable and there is a lack of prospective, high level evidence. RYTHMIC is the nationwide network for TET in France established in 2012, which prospectively collects data for all TET patients, for whom management is discussed at a national multidisciplinary tumor board (MTB). We assessed whether postoperative radiotherapy (PORT) decisions at the MTB were in accordance with RYTHMIC guidelines, and ultimately implemented in patients...
July 31, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28770953/microrna-200c-exacerbates-the-ischemia-reperfusion-injury-of-heart-through-targeting-the-glutaminase-gls-mediated-glutamine-metabolism
#14
F Liu, Y Li, G Liu
OBJECTIVE: Cardiac ischemia and reperfusion, the common pathophysiological processes during cardiovascular surgery, are followed by oxidative stresses during the restoration of blood flow to the tissue, known as ischemia/reperfusion (IR) injury. microRNAs (miRNAs) are a group of endogenous, short and noncoding RNAs that post-transcriptionally repress their target mRNA expressions. Currently, the roles of microRNAs in the IR are still under investigated. This study will investigate the roles and mechanisms of miRNAs in the ischemia/reperfusion injury of the heart...
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28768259/prospective-controlled-study-of-invasiveness-and-post-aggression-metabolism-in-patients-undergoing-robotic-assisted-radical-prostatectomy
#15
Andreas Martinschek, Lisa Stumm, Manuel Ritter, Elmar Heinrich, Christian Bolenz, Lutz Trojan
OBJECTIVES: To evaluate in a prospective, controlled, nonrandomized study the surgical stress and acute-phase systemic response in robotic-assisted laparoscopic prostatectomy (RALP) compared to open radical retro-pubic prostatectomy (ORRP) by measuring humoral mediators. METHODS: Forty consecutive patients undergoing either RALP or ORRP were prospectively included to assess the extent of systemic response. Blood samples were collected before surgery (T1), at the time of prostatectomy (T2), at the time of wound closure (T3), and 12 h (T4), 24 h (T5), and 48 h (T6) after surgery, and assayed for interleukins (IL-6 and IL-10), C-reactive protein (CRP), and hemoglobin...
July 29, 2017: Urologia Internationalis
https://www.readbyqxmd.com/read/28766696/serial-perioperative-cell-free-dna-levels-in-donors-and-recipients-undergoing-living-donor-liver-transplantation
#16
K Prakash, S Aggarwal, S Bhardwaj, G Ramakrishna, C K Pandey
BACKGROUND: Effect of anaesthesia and surgery on cell-free DNA (cfDNA) is not known. Given that surgical stress augments inflammation and injury, we hypothesized that levels of cfDNA will fluctuate during perioperative period. Therefore, in this study serial perioperative cfDNA concentration was measured in donors and recipients undergoing living donor liver transplantation (LDLT). METHODS: Baseline, post-induction, intraoperative and post-operative plasma cfDNA levels were evaluated in 21 donors and recipients each, by Sytox green method...
August 2, 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/28761200/a-prospective-study-of-altered-inflammatory-response-and-its-clinical-outcome-following-laparoscopic-and-open-cholecystectomy
#17
Sayyed Ehtesham Hussain Naqvi, Atia Zaka-Ur-Rab, Najmul Islam, Eram Ali
BACKGROUND: Inflammatory response following surgical trauma has long been a matter of study. Results, however, have been varied. We sought to assess changes in the levels of proinflammatory and anti-inflammatory cytokines in patients undergoing laparoscopic and open cholecystectomy and their impact on the clinical outcome of patients concerning the postoperative pain score. METHODS: The study involved 90 cholecystectomies (55 laparoscopic and 35 open) for chronic cholecystitis...
July 2017: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28758231/re-defining-the-stress-cortisol-response-to-surgery
#18
Bernard Khoo, Piers R Boshier, Alexander Freethy, George Tharakan, Samerah Saeed, Neil Hill, Emma L Williams, Krishna Moorthy, Neil Tolley, Long R Jiao, Duncan Spalding, Fausto Palazzo, Karim Meeran, Tricia Tan
BACKGROUND: Cortisol levels rise with the physiological stress of surgery. Previous studies have used older, less-specific assays, have not differentiated by severity, or only studied procedures of a defined type. The aim of this study was to examine this phenomenon in surgeries of varying severity using a widely used cortisol immunoassay. METHODS: Euadrenal patients undergoing elective surgery were enrolled prospectively. Serum samples were taken at 8 am on surgical day, induction and 1 hr, 2 hr, 4 hr and 8 hr after...
July 31, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28757912/lung-protective-ventilation-strategies-for-relief-from-ventilator-associated-lung-injury-in-patients-undergoing-craniotomy-a-bicenter-randomized-parallel-and-controlled-trial
#19
Chaoliang Tang, Juan Li, Shaoqing Lei, Bo Zhao, Zhetao Zhang, Wenting Huang, Si Shi, Xiaoqing Chai, Chaoshi Niu, Zhongyuan Xia
Current evidence indicates that conventional mechanical ventilation often leads to lung inflammatory response and oxidative stress, while lung-protective ventilation (LPV) minimizes the risk of ventilator-associated lung injury (VALI). This study evaluated the effects of LPV on relief of pulmonary injury, inflammatory response, and oxidative stress among patients undergoing craniotomy. Sixty patients undergoing craniotomy received either conventional mechanical (12 mL/kg tidal volume [VT] and 0 cm H2O positive end-expiratory pressure [PEEP]; CV group) or protective lung (6 mL/kg VT and 10 cm H2O PEEP; PV group) ventilation...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28753691/experimental-study-of-anisotropic-stress-strain-relationships-of-aortic-and-pulmonary-artery-homografts-and-synthetic-vascular-grafts
#20
Yueqian Jia, Yangyang Qiao, I Ricardo Argueta-Morales, Aung Maung, Jack Norfleet, Yuanli Bai, Eduardo Divo, Alain J Kassab, William M DeCampli
Homografts and synthetic grafts are used in surgery for congenital heart disease (CHD). Determining these materials' mechanical properties will aid in understanding tissue behavior when subjected to abnormal CHD hemodynamics. Homograft tissue samples from anterior/posterior aspects, of ascending/descending aorta (AA, DA), innominate artery (IA), left subclavian artery (LScA), left common carotid artery (LCCA), main/left/right pulmonary artery (MPA, LPA, RPA), and synthetic vascular grafts, were obtained in three orientations: circumferential, diagonal (45 deg relative to circumferential direction), and longitudinal...
October 1, 2017: Journal of Biomechanical Engineering
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