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https://www.readbyqxmd.com/read/28550438/what-are-the-real-procedural-costs-of-bariatric-surgery-a-systematic-literature-review-of-published-cost-analyses
#1
REVIEW
Brett Doble, Sarah Wordsworth, Chris A Rogers, Richard Welbourn, James Byrne, Jane M Blazeby
This review aims to evaluate the current literature on the procedural costs of bariatric surgery for the treatment of severe obesity. Using a published framework for the conduct of micro-costing studies for surgical interventions, existing cost estimates from the literature are assessed for their accuracy, reliability and comprehensiveness based on their consideration of seven 'important' cost components. MEDLINE, PubMed, key journals and reference lists of included studies were searched up to January 2017...
May 26, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28550398/association-of-tumor-size-and-focality-with-recurrence-persistence-in-papillary-thyroid-cancer-patients-treated-with-total-thyroidectomy-along-with-radioactive-iodine-ablation-and-tsh-suppression
#2
Misbah Khan, Aamir Ali Syed, Amina Iqbal Khan, Syed Raza Hussain, Namra Urooj
Locoregional recurrence is common in papillary thyroid cancer PTC and an optimal surgical treatment with respect to the multifocal nature of the disease stays controversial. It is a retrospective analytical study design. 209 diagnosed PTCs managed at our institute were grouped into macro-PTC with a size of dominant focus >1 cm (unifocal n = 106 and multifocal n = 64) and micro-PTMC if size of all foci was <1 cm; (unifocal n = 16 and multifocal PTMC n = 23). The primary endpoint is recurrence and tumor free survival in each of the four groups...
May 26, 2017: Updates in Surgery
https://www.readbyqxmd.com/read/28546923/homocysteine-mediates-transcriptional-changes-of-the-inflammatory-pathway-signature-genes-in-human-retinal-pigment-epithelial-cells
#3
Mahavir Singh, Suresh C Tyagi
AIM: To test whether homocysteine (Hcy) can influence the transcriptional profile, we hypothesized that Hcy can lead to the induction of proinflammatory molecules in the retinal cells of aging people. METHODS: An unbiased in vitro inflammatory pathway focused study was designed employing retinal pigment epithelial (RPE) cell line, ARPE-19. Cells were cultured in the presence or absence of Hcy to capture target genes' expression profile. Three different concentrations of Hcy were added in the culture medium of confluent monolayers...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28545208/spatio-temporal-analysis-of-particulate-matter-intake-fractions-for-vehicular-emissions-hourly-variation-by-micro-environments-in-the-greater-toronto-and-hamilton-area-canada
#4
Weeberb J Requia, Matthew D Adams, Altaf Arain, Petros Koutrakis, Wan-Chen Lee, Mark Ferguson
Previous investigations have reported intake fraction (iF) for different environments, which include ambient concentrations (outdoor exposure) and microenvironments (indoor exposure). However, little is known about iF variations due to space-time factors, especially in microenvironments. In this paper, we performed a spatio-temporal analysis of particulate matter (PM2.5) intake fractions for vehicular emissions. Specifically, we investigated hourly variation (12:00am-11:00pm) by micro-environments (residences and workplaces) in the Greater Toronto and Hamilton Area (GTHA), Canada...
May 20, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28543806/effect-of-microthreads-on-coronal-bone-healing-of-narrow-diameter-implants-with-reverse-tapered-design-in-beagle-dogs
#5
Yun-Young Chang, Su-Hwan Kim, Keun-Oh Park, Jeong-Ho Yun
OBJECTIVES: The objective of this study was to investigate the effect of microthreads on the coronal bone healing of narrow-diameter implants with reverse-tapered design. MATERIAL AND METHODS: A total of 52 implants were classified into two groups according to presence or absence of coronal microthreads, the reverse-tapered narrow-diameter implant (RTN) group, and the reverse-tapered narrow-diameter implant with microthreads (RTNM) group. The implants were installed in split-mouth design in the edentulous mandible of six dogs...
May 22, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/28543034/changes-in-mineral-elements-and-starch-quality-of-grains-during-the-improvement-of-japonica-rice-cultivars
#6
Hao Zhang, Chao Yu, Danping Hou, Hailang Liu, Huiting Zhang, Rongrong Tao, Han Cai, Junfei Gu, Lijun Liu, Zujian Zhang, Zhiqin Wang, Jianchang Yang
BACKGROUND: The rice cultivars improvement plays an important role in yield increase. However, little is known about the changes in starch quality and mineral elements during the rice cultivars improvement. This study was conducted to investigate the japonica rice cultivars changes in starch quality and mineral elements. RESULTS: 12 typical rice cultivars, applied in the production in Jiangsu province during the last 60 years, were grown in the paddy fields. These cultivars were classified into six types according to their application times, plant types and genotypes...
May 25, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28542343/bone-marrow-cell-extract-promotes-the-regeneration-of-irradiated-bone
#7
Guillaume Michel, Pauline Blery, Michaël Henoux, Jérôme Guicheux, Pierre Weiss, Sophie Brouard, Olivier Malard, Florent Espitalier
Mandibular osteoradionecrosis is a severe side effect of radiotherapy after the treatment of squamous cell carcinomas of the upper aerodigestive tract. As an alternative to its treatment by micro-anastomosed free-flaps, preclinical tissular engineering studies have been developed. Total bone marrow (TBM) associated with biphasic calcium phosphate (BCP) significantly enhanced bone formation in irradiated bone. One mechanism, explaining how bone marrow cells can help regenerate tissues like this, is the paracrine effect...
2017: PloS One
https://www.readbyqxmd.com/read/28540722/ultrafast-screening-and-quantitation-of-pesticides-in-food-and-environmental-matrices-by-solid-phase-microextraction-transmission-mode-spme-tm-and-direct-analysis-in-real-time-dart
#8
German Augusto Gómez-Ríos, Emanuela Gionfriddo, Justen J Poole, Janusz Pawliszyn
The direct interface of microextraction technologies to Mass Spectrometry (MS) has unquestionably revolutionized the speed and efficacy at which complex matrices are analyzed. Solid Phase Micro Extraction-Transmission Mode (SPME-TM) is a technology conceived as an effective synergy between sample preparation and ambient ionization. Succinctly, the device consists of a mesh coated with polymeric particles that extract analytes of interest present in a given sample matrix. This coated-mesh acts as a transmission mode substrate for Direct Analysis in Real Time (DART), allowing for rapid and efficient thermal-desorption/ionization of analytes previously concentrated on the coating, and dramatically lowering limits of detection attained by sole DART analysis...
May 25, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28531205/cost-analysis-of-human-papillomavirus-related-cervical-diseases-and-genital-warts-in-swaziland
#9
Themba G Ginindza, Benn Sartorius, Xolisile Dlamini, Ellinor Östensson
BACKGROUND: Human papillomavirus (HPV) has proven to be the cause of several severe clinical conditions on the cervix, vulva, vagina, anus, oropharynx and penis. Several studies have assessed the costs of cervical lesions, cervical cancer (CC), and genital warts. However, few have been done in Africa and none in Swaziland. Cost analysis is critical in providing useful information for economic evaluations to guide policymakers concerned with the allocation of resources in order to reduce the disease burden...
2017: PloS One
https://www.readbyqxmd.com/read/28513514/efficacy-of-polishing-kits-on-the-surface-roughness-and-color-stability-of-different-composite-resins
#10
H Kocaagaoglu, T Aslan, A Gürbulak, H Albayrak, Z Taşdemir, H Gumus
OBJECTIVE: Different polishing kits may have different effects on the composite resin surfaces. The aim of this study was to evaluate the surface roughness and color stability of four different composites which was applied different polishing technique. MATERIALS AND METHODS: Thirty specimens were made for each composite resin group (nanohybrid, GrandioSo-GS; nanohybrid, Clearfil Majesty Esthetic-CME; hybrid, Valux Plus-VP; micro-hybrid, Ruby Comp-RC; [15 mm in diameter and 2 mm height]), with the different monomer composition and particle size from a total of 120 specimens...
May 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28511692/vitamin-d-receptor-activation-reduces-inflammatory-cytokines-and-plasma-micrornas-in-moderate-chronic-kidney-disease-a-randomized-trial
#11
Ladan Mansouri, Kristina Lundwall, Ali Moshfegh, Stefan H Jacobson, Joachim Lundahl, Jonas Spaak
BACKGROUND: Chronic kidney disease (CKD) is a major risk factor for cardiovascular disease (CVD), partly due to endothelial dysfunction and chronic inflammation. Vitamin D treatment in end stage renal disease is suggested to modulate the immune system and lead to improved outcomes. We and others have demonstrated that treatment with vitamin D or activated vitamin D analogues protects the endothelial function in less severe renal disease as well. Since the endothelial protection might be mediated by vitamin D effects on inflammation, we assessed levels of pro-inflammatory cytokines and micro RNAs (miRs) in patients with moderate CKD, treated with an active vitamin D analogue (paricalcitol)...
May 16, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28508856/microvascular-complications-of-type-2-diabetes-mellitus-are-associated-with-plaque-score-in-the-carotid-arteries
#12
Wojciech Bartman, Katarzyna Nabrdalik, Hanna Kwiendacz, Tomasz Sawczyn, Andrzej Tomasik, Krystyna Pierzchała, Monika Adamczyk-Sowa, Agnieszka Machowska-Majchrzak, Beata Łabuz-Roszak, Władysław Grzeszczak, Janusz Gumprecht
INTRODUCTION    The "common soil" hypothesis suggests that diabetic micro- and macroangiopathy arise from a similar pathophysiological has been once proposed. It is well documented that carotid artery atherosclerosis in patients with type 2 diabetes mellitus (T2DM) is associated with cardiovascular complications; however, whether microvascular complications are similarly related remains unclear. OBJECTIVES    We aimed to explore whether plaque score or common carotid artery intima-media thickness (CIMT) is associated with the macroangiopathic or microangiopathic complications of T2DM...
May 16, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/28508233/sentinel-lymph-node-mapping-with-isosulfan-blue-or-indocyanine-green-in-colon-cancer-shows-comparable-results-and-identifies-patients-with-decreased-survival-a-prospective-single-center-trial
#13
Benjamin Weixler, Andreas Rickenbacher, Dimitri Aristotle Raptis, Carsten T Viehl, Ulrich Guller, Jessica Rueff, Andreas Zettl, Markus Zuber
BACKGROUND: Sentinel lymph node (SLN) mapping was reported to improve lymph node staging in colon cancer. This study compares isosulfan blue (IB) with indocyanine green (ICG)-based SLN-mapping and assesses the prognostic value of isolated tumor cells (ITC) and micro-metastases in upstaged patients. METHODS: A total of 220 stage I-III colon cancer patients were included in this prospective single-center study. In 170 patients, SLN-mapping was performed in vivo with IB and in 50 patients ex vivo with ICG...
May 15, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28505748/highly-pressurized-partially-miscible-liquid-liquid-flow-in-a-micro-t-junction-i-experimental-observations
#14
Ning Qin, John Z Wen, Carolyn L Ren
This is the first part of a two-part study on a partially miscible liquid-liquid flow (liquid carbon dioxide and deionized water) which is highly pressurized and confined in a microfluidic T-junction. Our main focuses are to understand the flow regimes as a result of varying flow conditions and investigate the characteristics of drop flow distinct from coflow, with a capillary number, Ca_{c}, that is calculated based on the continuous liquid, ranging from 10^{-3} to 10^{-2} (10^{-4} for coflow). Here in part I, we present our experimental observation of drop formation cycle by tracking drop length, spacing, frequency, and after-generation speed using high-speed video and image analysis...
April 2017: Physical Review. E
https://www.readbyqxmd.com/read/28505068/a-new-method-for-the-fast-analysis-of-trihalomethanes-in-tap-and-recycled-waters-using-headspace-gas-chromatography-with-micro-electron-capture-detection
#15
Lydon D Alexandrou, Barry J Meehan, Paul D Morrison, Oliver A H Jones
Chemical disinfection of water supplies brings significant public health benefits by reducing microbial contamination. The process can however, result in the formation of toxic compounds through interactions between disinfectants and organic material in the source water. These new compounds are termed disinfection by-products (DBPs). The most common are the trihalomethanes (THMs) such as trichloromethane (chloroform), dichlorobromomethane, chlorodibromomethane and tribromomethane (bromoform); these are commonly reported as a single value for total trihalomethanes (TTHMs)...
May 15, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28502885/contra-lateral-bone-loss-at-the-distal-radius-in-postmenopausal-women-after-a-distal-radius-fracture-a-two-year-follow-up-hrpqct-study
#16
Joost J A de Jong, Jacobus J C Arts, Paul C Willems, Sandrine P G Bours, Judith P A Bons, Paul P C A Menheere, Bert van Rietbergen, Piet P Geusens, Joop P W van den Bergh
Opposite to the fracture side, bone mineral density (BMD) measured by DXA at the contra-lateral side does not change after a distal radius fracture. However, it is unknown if also bone micro-architecture and strength at the contralateral side are unaffected. Therefore, the aim of this study was to assess BMD, micro-architecture and bone mechanical properties at the contra-lateral side during two years follow-up after a distal radius fracture using high resolution peripheral quantitative computed tomography (HRpQCT)...
May 11, 2017: Bone
https://www.readbyqxmd.com/read/28501789/country-specific-and-individual-determinants-of-dizziness-in-europe-results-from-the-survey-of-health-ageing-and-retirement-in-europe-share
#17
M Penger, R Strobl, E Grill
OBJECTIVES: Dizziness is one of the most common complaints amongst older persons and has relevant consequences for functioning. However, the epidemiological findings on dizziness are scarce and inconsistent and prevalence varies considerably among existing studies. Hence the objective of this study is to compare the prevalence of dizziness in persons aged 50 years or older across several European countries. The specific aim was to identify country- and person-specific determinants associated with a higher risk...
May 11, 2017: Public Health
https://www.readbyqxmd.com/read/28494426/the-performance-of-the-intensified-constructed-wetlands-for-organic-matter-and-nitrogen-removal-a-review
#18
REVIEW
Huma Ilyas, Ilyas Masih
The effects of different aeration strategies including tidal flow (TF), effluent recirculation (ER) and artificial aeration (AA) on performance of vertical flow constructed wetland (VFCW), horizontal flow constructed wetland (HFCW) and hybrid constructed wetland (HCW) are comprehensively and critically reviewed in this paper. The removal efficiencies of nine types of intensified constructed wetlands (CWs) were examined in detail and their mean and standard deviation were estimated at 89 ± 11%, 84 ± 12%, 81 ± 17% and 63 ± 20% for total suspended solids (TSS), chemical oxygen demand (COD), ammonium-nitrogen (NH4(+)N) and total nitrogen (TN), respectively...
May 8, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28489683/intraoperative-use-of-vasopressors-does-not-increase-the-risk-of-free-flap-compromise-and-failure-in-cancer-patients
#19
Lin Fang, Jun Liu, Cuicui Yu, Matthew M Hanasono, Gang Zheng, Peirong Yu
OBJECTIVE: To examine the effects of vasopressors on free flap outcomes. BACKGROUND: Most micro-surgeons avoid the use of vasopressors during free flap surgery due to concerns of vasoconstriction, which could potentially lead to vascular thrombosis and flap failure. Previous studies lack the statistical power to draw meaningful conclusions. METHODS: All free flaps between 2004 and 2014 from a single institution were reviewed retrospectively...
May 9, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28488162/can-the-metaphyseal-anchored-metha-short-stem-safely-be-revised-with-a-standard-cls-stem-a-biomechanical-analysis
#20
Shuang G Yan, Matthias Woiczinski, Tobias F Schmidutz, Patrick Weber, Alexander C Paulus, Arnd Steinbrück, Volkmar Jansson, Florian Schmidutz
PURPOSE: Short stem total hip arthroplasty (SHA) has gained increasing popularity as it conserves bone stock and is supposed to allow revision with a conventional stem. However, no study has evaluated whether the revision of a SHA with a standard total hip arthroplasty (THA) stem provides sufficient primary stability to allow osseous integration. METHODS: A neck preserving SHA (Metha) and a standard THA (CLS) stem were implanted into six composite femurs respectively and dynamically loaded (300-1700 N, 1 Hz)...
May 9, 2017: International Orthopaedics
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