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Metabolic surgery

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https://www.readbyqxmd.com/read/28346858/circulating-soluble-il-6-receptor-concentration-and-visceral-adipocyte-size-are-related-to-insulin-resistance-in-taiwanese-adults-with-morbid-obesity
#1
Feng-Chih Kuo, Ya-Hsien Huang, Fu-Huang Lin, Yi-Jen Hung, Chang-Hsun Hsieh, Chieh-Hua Lu, Sheng-Chiang Su, Chia-Luen Huang, Chien-Hsing Lee, Nain-Feng Chu
BACKGROUND: Morbid obesity is related to chronic inflammation and many metabolic complications. Interleukin (IL)-6 plays a pivotal pathophysiological role in obesity, and IL-6 trans-signaling through the soluble IL-6 receptor (sIL-6R) has a major proinflammatory effect. The aim of this study was to investigate the association between sIL-6R, adipocyte size, and insulin resistance in morbidly obese individuals. METHODS: We measured concentrations of sIL-6R, high-sensitivity C-reactive protein, and lipid parameters and estimated homeostasis model assessment of insulin resistance (HOMA-IR) before the patients underwent bariatric surgery...
March 27, 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28344345/gastric-bypass-surgery-with-exercise-alters-plasma-micrornas-that-predict-improvements-in-cardiometabolic-risk
#2
Y O N Lopez, P M Coen, B H Goodpaster, A A Seyhan
BACKGROUND/OBJECTIVES: Roux-en-Y gastric bypass (RYGB) surgery improves insulin sensitivity (SI) and β-cell function in obese non-diabetic subjects. Exercise also improves SI and may be an effective adjunct therapy to RYGB surgery. However, the mechanisms by which exercise or weight-loss improve peripheral SI after RYGB surgery are unclear. We hypothesized that microRNAs (miRNAs) mediate at least some of the regulatory processes driving such mechanisms. Consequently, this work aimed at profiling plasma miRNAs in participants of the Physical Activity Following Surgery Induced Weight Loss study (clinicaltrials...
March 27, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28339064/extracellular-matrix-metabolism-disorder-induced-by-mechanical-strain-on-human-parametrial-ligament-fibroblasts
#3
Jie Min, Bingshu Li, Cheng Liu, Wenjun Guo, Shasha Hong, Jianming Tang, Li Hong
Pelvic organ prolapse (POP) is a global health problem that may seriously impact the quality of life of the sufferer. The present study aimed to investigate the potential mechanisms underlying alterations in extracellular matrix (ECM) metabolism in the pathogenesis of POP, by investigating the expression of ECM components in human parametrial ligament fibroblasts (hPLFs) subject to various mechanical strain loads. Fibroblasts derived from parametrial ligaments were cultured from patients with POP and without malignant tumors, who underwent vaginal hysterectomy surgery...
March 24, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28334683/combined-metformin-and-insulin-treatment-reverses-metabolically-impaired-omental-adipogenesis-and-accumulation-of-4-hydroxynonenal-in-obese-diabetic-patients
#4
Morana Jaganjac, Shamma Almuraikhy, Fatima Al-Khelaifi, Mashael Al-Jaber, Moataz Bashah, Nayef A Mazloum, Kamelija Zarkovic, Neven Zarkovic, Georg Waeg, Wael Kafienah, Mohamed A Elrayess
OBJECTIVE: Obesity-associated impaired fat accumulation in the visceral adipose tissue can lead to ectopic fat deposition and increased risk of insulin resistance and type 2 diabetes mellitus (T2DM). This study investigated whether impaired adipogenesis of omental (OM) adipose tissues and elevated 4-hydroxynonenal (4-HNE) accumulation contribute to this process, and if combined metformin and insulin treatment in T2DM patients could rescue this phenotype. METHODS: OM adipose tissues were obtained from forty clinically well characterized obese individuals during weight reduction surgery...
March 16, 2017: Redox Biology
https://www.readbyqxmd.com/read/28332577/absence-of-role-of-dietary-protein-sensing-in-the-metabolic-benefits-of-duodenal-jejunal-bypass-in-the-mouse
#5
Aude Barataud, Daisy Goncalves, Jennifer Vinera, Carine Zitoun, Adeline Duchampt, Amandine Gautier-Stein, Gilles Mithieux
Roux-en-Y gastric bypass (RYGB) induces remission or substantial improvement of type 2 diabetes mellitus (T2D) but underlying mechanisms are still unclear. The beneficial effects of dietary proteins on energy and glucose homeostasis are mediated by the antagonist effects of peptides toward mu-opioid receptors (MORs), which are highly expressed in the distal gut. We hypothesized that the beneficial effects of RYGB could depend at least in part on the interaction of peptides from food with intestinal MORs. Duodenal-jejunal bypass (DJB) was performed in obese and lean wild-type (WT) or MOR deficient (MOR(-/-)) mice...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28331457/visual-loss-retinal-hemorrhages-and-optic-disc-edema-resulting-from-thiamine-deficiency-following-bariatric-surgery-complicated-by-prolonged-vomiting
#6
Andrew W Lawton, Nicholas E Frisard
BACKGROUND: Vision loss resulting from thiamine deficiency is a recognized complication of bariatric surgery. Most patients with such vision loss have Wernicke encephalopathy with characteristic changes seen on neuroimaging. Other patients may have retinal hemorrhages, optic disc edema, and peripheral neuropathy without Wernicke encephalopathy. The risk for thiamine deficiency is potentiated by the presence of prolonged vomiting. CASE REPORT: A 37-year-old female presented with abrupt onset of vision loss and peripheral neuropathy following bariatric surgery...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/28330739/the-impact-of-metabolic-syndrome-and-its-components-on-perioperative-outcomes-after-elective-laparotomy-a-prospective-observational-study
#7
Eleni Laou, Haralampos Milionis, Anastasios Petrou, Eleni Arnaoutoglou, Georgios Glantzounis, Eleni Bairaktari, Dimitrios Mavridis, Dimitri P Mikhailidis, Georgios Papadopoulos, Petros Tzimas
BACKGROUND: Metabolic syndrome (MetS) represents a constellation of risk factors, including central obesity, elevated fasting blood glucose, high blood pressure and atherogenic dyslipidemia. This prospective observational study aimed to assess the impact of MetS on perioperative outcomes of patients undergoing elective abdominal surgery with laparotomy. METHODS: We included 105 consecutive non-diabetic patients undergoing elective abdominal surgery with laparotomy...
March 14, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/28329452/effect-of-prime-blood-storage-duration-on-clinical-outcome-after-pediatric-cardiac-surgery
#8
Arvind Kumar Bishnoi, Pankaj Garg, Kartik Patel, Parth Solanki, Jigar Surti, Atul Solanki, Komal Shah, Sanjay Patel
BACKGROUND: In this study, we tested the hypothesis that in pediatric patients undergoing cardiac surgery using cardiopulmonary bypass (CPB) with blood prime, the storage duration of the packed red blood cells (PRBCs) used in prime led to differences in postoperative complications and metabolic profiles of the patients. METHODS: For this prospective observational study we included 400 pediatric patients undergoing cardiac operations using CPB and requiring PRBCs prime...
March 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/28327822/impact-of-roux-en-y-gastric-bypass-surgery-rygb-on-metabolic-syndrome-components-and-on-the-use-of-associated-drugs-in-obese-patients
#9
Vilma Maria Junges, Jarbas Marinho Cavalheiro, Eliana Franzoi Fam, Vera Elizabeth Closs, João Feliz Moraes, Maria Gabriela Gottlieb
BACKGROUND: The prevalence of obesity and metabolic syndrome is increasing worldwide and both behavior modification and drug therapy have low adherence. Gastric bypass has shown effective results in both reducing weight and improving comorbidities. OBJECTIVE: To evaluate the impact of Roux-en-Y Gastric Bypass Surgery (RYGB) on both metabolic syndrome components and the use of associated drugs in obese patients. METHODS: Historical cohort of patients subjected to Roux-en-Y Gastric Bypass Surgery (RYGB) between January 2007 and March 2014 in a private clinic...
March 16, 2017: Arquivos de Gastroenterologia
https://www.readbyqxmd.com/read/28325826/a-phase-ii-randomized-double-blind-presurgical-trial-of-polyphenon-e-in-bladder-cancer-patients-to-evaluate-pharmacodynamics-and-bladder-tissue-biomarkers
#10
Jason R Gee, Daniel R Saltzstein, KyungMann Kim, Jill M Kolesar, Wei Huang, Thomas C Havighurst, Barbara W Wollmer, Jeanne Stublaski, Tracy Downs, Hasan Mukhtar, Margaret House, Howard L Parnes, Howard H Bailey
We performed a phase 2 pharmacodynamic, prevention trial of Polyphenon E® (a green tea polyphenol formulation primarily consisting of epigallocatechin gallate (EGCG)) in patients prior to bladder cancer surgery. Patients with a bladder tumor were randomized to receive Polyphenon E® containing either 800 or 1200 mg of EGCG or placebo for 14 to 28 days prior to TURBT or cystectomy. The primary objective was to compare the post-intervention EGCG tissue levels in patients receiving Polyphenon E® as compared to placebo...
March 21, 2017: Cancer Prevention Research
https://www.readbyqxmd.com/read/28325824/persistence-of-myopathy-in-cushing-s-syndrome-evaluation-of-the-german-cushing-s-registry
#11
Christina Maria Berr, Mareike R Stieg, Timo Deutschbein, Marcus Quinkler, Ralf Schmidmaier, Andrea Osswald, Nicole Reisch, Katrin Ritzel, Christina Dimopoulou, Julia Fazel, Stefanie Hahner, Gunter K Stalla, Felix Beuschlein, Martin Reincke
BACKGROUND: Cushing's syndrome (CS) is characterized by an excessive secretion of glucocorticoids that results in a characteristic clinical phenotype. One feature of clinical hypercortisolism is breakdown of protein metabolism translating into clinical consequences including glucocorticoid induced myopathy. While surgery is effective in control of cortisol excess, the effect of biochemical remission on muscular function is yet unclear. METHODS: In a cross-sectional study we analyzed 47 patients with CS during the florid phase (ActiveCS)...
March 21, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28322600/renal-mitochondrial-response-to-low-temperature-in-non-hibernating-and-hibernating-species
#12
George J Dugbartey, Maarten C Hardenberg, Wendelinde F Kok, Ate Boerema, Hannah V Carey, James Staples, Robert H Henning, Hjalmar Bouma
SIGNIFICANCE: Therapeutic hypothermia is commonly applied to limit ischemic injury in organ transplantation, during cardiac and brain surgery and after cardiopulmonary resuscitation. In these procedures, the kidneys are particularly at risk for ischemia/reperfusion injury (IRI), likely due to their high rate of metabolism. Although hypothermia mitigates ischemic kidney injury, it is not a panacea. Residual mitochondrial failure is thought to be a key event triggering loss of cellular homeostasis, and potentially cell death...
March 21, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28322026/objective-3d-surface-evaluation-of-intracranial-electrophysiologic-correlates-of-cerebral-glucose-metabolic-abnormalities-in-children-with-focal-epilepsy
#13
Jeong-Won Jeong, Eishi Asano, Vinod Kumar Pilli, Yasuo Nakai, Harry T Chugani, Csaba Juhász
To determine the spatial relationship between 2-deoxy-2[(18) F]fluoro-D-glucose (FDG) metabolic and intracranial electrophysiological abnormalities in children undergoing two-stage epilepsy surgery, statistical parametric mapping (SPM) was used to correlate hypo- and hypermetabolic cortical regions with ictal and interictal electrocorticography (ECoG) changes mapped onto the brain surface. Preoperative FDG-PET scans of 37 children with intractable epilepsy (31 with non-localizing MRI) were compared with age-matched pseudo-normal pediatric control PET data...
March 21, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28320917/predictors-of-massive-blood-transfusion-a-delphi-study-to-examine-the-views-of-experts
#14
Jacqueline V Mclennan, K C Mackway-Jones, S T Horne, R Body
BACKGROUND: Trauma patients requiring massive blood transfusion (MBT) have high morbidity and mortality: early and aggressive use of blood products during immediate resuscitation may improve survival. There is currently a lack of evidence to guide initial identification of these patients which is especially important in areas where plasma may need to be thawed. In the absence of this evidence, this study aimed to robustly evaluate expert opinion by using a Delphi process to identify predictors of massive transfusion...
March 20, 2017: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/28320323/changes-in-duration-of-action-of-rocuronium-following-decrease-in-hepatic-blood-flow-during-pneumoperitoneum-for-laparoscopic-gynaecological-surgery
#15
Yang Liu, Wen Cao, Yu Liu, Yun Wang, Ren Lang, Yun Yue, An-Shi Wu
BACKGROUND: A moderate insufflation pressure and deep neuromuscular blockade (NMB) have been recommended in laparoscopic surgery in consideration of the possible reduction in splanchnic perfusion due to the CO2-pneumoperitoneum. Since the liver is the major organ for rocuronium metabolism, the question of whether NMB of rocuronium would change with the variation of liver perfusion during pneumoperitoneum during laparoscopic surgery merits investigation. METHODS: In this prospective study, a total of sixty female patients scheduled for either selective laparoscopic gynaecological surgery (group laparoscopy) or laparotomy for gynaecological surgery (group control) were analyzed...
March 20, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28319890/one-year-follow-up-of-clinical-metabolic-and-oxidative-stress-profile-of-morbid-obese-patients-after-laparoscopic-sleeve-gastrectomy-8-oxo-dg-as-a-clinical-marker
#16
Lidia Monzo-Beltran, Antonio Vazquez-Tarragón, Concha Cerdà, Paula Garcia-Perez, Antonio Iradi, Carlos Sánchez, Benjamin Climent, Carmen Tormos, Antonio Vázquez-Prado, Javier Girbés, Nuria Estáñ, Sebastián Blesa, Raquel Cortés, Felipe J Chaves, Guillermo T Sáez
Obesity has grown worldwide over the last few decades. In its different degrees, obesity is accompanied by many clinical and biochemical alterations reflecting the pathological condition of various body tissues. Among the mechanisms underlying the pathogenesis of obesity and associated complications, oxidative stress (OS) may be playing an important role. In the present study, we have characterized at systemic level the degree of OS status in a group of morbid obese patients (BMI>40kg/m(2)) at basal sate and its modulation during one year after bariatric surgery using the laparoscopic sleeve gastrectomy (LSG) technique...
February 14, 2017: Redox Biology
https://www.readbyqxmd.com/read/28318939/early-metabolic-improvement-after-bariatric-surgery-the-first-steps-toward-remission-of-type-2-diabetes
#17
REVIEW
Thomas Grenier-Larouche, Anne-Marie Carreau, André C Carpentier
The introduction of bariatric surgery into clinical practice in the 1980s was followed by a relatively long watch-and-wait period before the very rapid accumulation of scientific literature, over the past decade, concerning its clinical effectiveness and safety and its mechanisms of action in the treatment of obesity. These surgical procedures now emerge as the most effective therapeutic modality to induce long-term remission of type 2 diabetes. Recent research has shed light on the potential mechanisms leading to the profound improvement of glucose homeostasis following most bariatric surgery procedures...
March 17, 2017: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/28316315/current-indications-for-surgical-treatment-of-primary-hyperparathyroidism-in-the-elderly
#18
Andrea Polistena, Roberta Lucchini, Massimo Monacelli, Roberta Triola, Stefano Avenia, Ivan Barillaro, Louis Banka Johnson, Alessandro Sanguinetti, Nicola Avenia
This study presents the results of surgery in the elderly for primary hyperparathyroidism (PHPT) from a single institution's experience. We retrospectively analyzed 898 cases of surgically treated PHPT, divided into two groups: 135 elderly patients (A) and 763 patients younger than 65 years (B). PHPT was symptomatic in 68.8 per cent patients in group A and in 81.6 per cent in group B. Unilateral temporary recurrent laryngeal nerve palsy was observed in 0.9 per cent in group A and 0.1 per cent in group B (P > 0...
March 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28314284/altered-levels-of-serum-ceramide-sphingosine-and-sphingomyelin-are-associated-with-colorectal-cancer-a-retrospective-pilot-study
#19
Duska Separovic, Anthony F Shields, Philip A Philip, Jacek Bielawski, Alicja Bielawska, Jason S Pierce, Adi L Tarca
BACKGROUND/AIM: Because patients with cancer of apparently equivalent stage often have different outcomes, it is necessary to gather additional information to complement cancer staging. Dysregulated sphingolipid metabolism contributes to carcinogenesis. In this retrospective pilot study, we tested the hypothesis that changes in serum levels of sphingolipids are associated with stage IV colorectal cancer (CRC). PATIENTS AND METHODS: We used commercially available serum samples from healthy males and patients with CRC (adenocarcinoma of the large intestine, stage IV with metastases)...
March 2017: Anticancer Research
https://www.readbyqxmd.com/read/28306680/anaesthesia-in-patients-with-liver-disease
#20
Malgorzata H Starczewska, Wint Mon, Peter Shirley
PURPOSE OF REVIEW: The purpose of this review is to summarize the most recent up to date research data and recommendations regarding anaesthetic management of patients with liver disease undergoing surgery. The incidence of chronic liver disease (CLD) continues to rise and perioperative mortality and morbidity remains unacceptably high in this group. Meticulous preoperative assessment and carefully planned anaesthetic management are vital in improving outcomes in patients with liver disease undergoing surgery...
March 16, 2017: Current Opinion in Anaesthesiology
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