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https://www.readbyqxmd.com/read/28533015/in%C3%A2-vitro-comparison-of-the-load-bearing-capacity-of-ceramic-and-metal-ceramic-resin-bonded-fixed-dental-prostheses-in-the-posterior-region
#1
Wolfgang Bömicke, Moritz Waldecker, Johannes Krisam, Peter Rammelsberg, Stefan Rues
STATEMENT OF PROBLEM: The clinical use of ceramic resin-bonded fixed dental prostheses (RBFDPs) in the posterior region is desirable for esthetic and biological reasons but has been associated with many technical problems, including fractures or chipping of the veneer. Although these problems may be overcome by using monolithic zirconia, information is lacking about the load-bearing capacity of resin-bonded monolithic zirconia restorations for replacing a molar. PURPOSE: The purpose of this in vitro study was to compare the load-bearing capacity (Fu), the load at initial damage (F1d), and the failure pattern of posterior RBFDPs fabricated from monolithic zirconia (MZr), veneered zirconia (VZr), and veneered cobalt-chromium (VCo)...
May 20, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28506039/plasma-d-dimer-can-effectively-predict-the-prospective-occurrence-of-ascites-in-advanced-schistosomiasis-japonica-patients
#2
Xiaoying Wu, Jianwei Ren, Zulu Gao, Yun Xu, Huiqun Xie, Tingfang Li, Yanhua Cheng, Fei Hu, Hongyun Liu, Zhihong Gong, Jinyi Liang, Jia Shen, Zhen Liu, Feng Wu, Xi Sun, Zhongzheng Niu, An Ning
China still has more than 30,000 patients of advanced schistosomiasis while new cases being reported consistently. D-dimer is a fibrin degradation product. As ascites being the dominating symptom in advanced schistosomiasis, the present study aimed to explore a prediction model of ascites with D-dimer and other clinical easy-achievable indicators. A case-control study nested in a prospective cohort was conducted in schistosomiasis-endemic area of southern China. A total of 291 patients of advanced schistosomiasis were first investigated in 2013 and further followed in 2014...
April 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28504829/prediction-of-thrombophilia-in-patients-with-unexplained-recurrent-pregnancy-loss-using-a-statistical-model
#3
Tongfei Wang, Xiaomin Kang, Liying He, Zhilan Liu, Haijing Xu, Aimin Zhao
OBJECTIVE: To establish a statistical model to predict thrombophilia in patients with unexplained recurrent pregnancy loss (URPL). METHODS: A retrospective case-control study was conducted at Ren Ji Hospital, Shanghai, China, from March 2014 to October 2016. The levels of D-dimer (DD), fibrinogen degradation products (FDP), activated partial thromboplastin time (APTT), prothrombin time (PT), thrombin time (TT), fibrinogen (Fg), and platelet aggregation in response to arachidonic acid (AA) and adenosine diphosphate (ADP) were collected...
May 15, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28500652/freeze-dried-plasma-enhances-clot-formation-and-inhibits-fibrinolysis-in-the-presence-of-tissue-plasminogen-activator-similar-to-pooled-liquid-plasma
#4
Benjamin R Huebner, Ernest E Moore, Hunter B Moore, Angela Sauaia, Gregory Stettler, Monika Dzieciatkowska, Kirk Hansen, Anirban Banerjee, Christopher C Silliman
BACKGROUND: Systemic hyperfibrinolysis is an integral part of trauma-induced coagulopathy associated with uncontrolled bleeding. Recent data suggest that plasma-first resuscitation attenuates hyperfibrinolysis; however, the availability, transport, storage, and administration of plasma in austere environments remain challenging and have limited its use. Freeze-dried plasma (FDP) is a potential alternative due to ease of storage, longer shelf life, and efficient reconstitution. FDP potentially enhances clot formation and resists breakdown better than normal saline (NS) and albumin and similar to liquid plasma...
May 12, 2017: Transfusion
https://www.readbyqxmd.com/read/28494273/fatigue-failure-load-of-monolithic-y-tzp-three-unit-fixed-dental-prostheses-effect-of-grinding-at-the-gingival-zone-of-the-connector
#5
Marina Amaral, Regina F Villefort, Renata Marques Melo, Gabriel K R Pereira, Yu Zhang, Luiz Felipe Valandro, Marco Antonio Bottino
OBJECTIVES: To determine the fatigue failure loads of three-unit monolithic zirconia fixed dental prosthesis (FDPs) before and after grinding of the gingival areas of connectors with diamond burs. MATERIAL AND METHODS: FDPs were milled from pre-sintered blocks of zirconia simulating the absence of the first mandibular molar. Half of the specimens were subjected to grinding, simulating clinical adjustment, and all of them were subjected to glazing procedure. Additional specimens were manufactured for roughness analysis...
March 7, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28484298/comparing-the-electromyographic-features-of-the-masseter-and-temporal-muscles-in-patients-with-full-mouth-implant-supported-fdps-and-natural-dentition
#6
Mahdieh Seifi, Davood Nodehi, Ahmad Ghahramanloo, Zahra Ahmadi, Azade Farhangnia, Morteza Saedi, Hamid Reza Mozaffari, Roohollah Sharifi
BACKGROUND: Due to increasing demands for a full mouth implant reconstructions and the fact that the most failures are associated with biomechanical complications, determining the effect of different occlusal patterns on these complications seems inevitable. The aim of this study is to compare affection of different occlusal designs in full mouth implant reconstructed patients on electromyographic activity of temporal and masseter muscles compared to natural dentition. METHODS: Thirty-two patients were included in this study, considering that 16 patients had natural dentition and the other 16 were full mouth implant reconstruction patients...
March 2017: Acta Informatica Medica: AIM
https://www.readbyqxmd.com/read/28481865/effect-of-hemodilution-in-vitro-with-hydroxyethyl-starch-on-hemostasis
#7
Shanliang Jin, Guifang Yu, Ruijiao Hou, Boxiong Shen, Hong Jiang
BACKGROUND Hydroxyethyl starch (HES) solutions are used for volume expansion during surgery. We aimed to investigate how 6%HES 130/0.4 affects hemostasis. MATERIAL AND METHODS Blood samples were collected from 12 healthy adult volunteers, diluting with 6%HES 130/0.4 (HES group) or Ringer lactate solution (RL control group). The hemodilution ratio (HR) of citrated blood volume to plasma substitute volume was 10: 0 (undiluted), 10: 2, 10: 4, and 10: 6. Clotting factors activity was measured. Thrombin generation was monitored...
May 8, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28479225/biomechanics-and-pinch-force-of-the-index-finger-under-simulated-proximal-interphalangeal-arthrodesis
#8
Paul Arauz, Karen DeChello, Alexander Dagum, Sue Ann Sisto, Imin Kao
PURPOSE: To analyze the effect of simulated proximal interphalangeal (PIP) joint arthrodesis on distal interphalangeal (DIP) joint free flexion-extension (FE) and maximal voluntary pinch forces. METHODS: Five healthy subjects were tested with the PIP joint unconstrained and constrained to selected angles to produce (1) free FE movements of the DIP joint at 2 selected angles of the metacarpophalangeal joint, and (2) maximal voluntary tip (thumb and index finger) and chuck (thumb, index, and middle fingers) pinch forces...
May 4, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28476550/disseminated-intravascular-coagulation-is-associated-with-the-neurologic-outcome-of-cardiac-arrest-survivors
#9
Dong Hun Lee, Byung Kook Lee, Kyung Woon Jeung, Yong Hun Jung, Sung Min Lee, Yong Soo Cho, Seong-Woo Yun, Yong Il Min
PURPOSE: We aimed to examine the serial changes in coagulofibrinolytic markers that occurred after the restoration of spontaneous circulation (ROSC) in cardiac arrest patients, who were treated with targeted temperature management (TTM). We also evaluated the association between the disseminated intravascular coagulation (DIC) score and clinical outcomes. METHODS: This was a single-centre, retrospective observational study that included cardiac arrest patients who were treated with TTM from May 2012 to December 2015...
May 1, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28469618/effect-of-environmental-variation-on-estimating-the-bacterial-species-richness
#10
Yongjian Chen, Jialiang Kuang, Pu Jia, Marc W Cadotte, Linan Huang, Jintian Li, Bin Liao, Pandeng Wang, Wensheng Shu
Estimating the species richness of microorganisms is of great importance in predicting, maintaining and managing microbial communities. Although the roles of environmental heterogeneity and geographical distance in structuring soil microbial communities have been studied intensively, the effects of environmental and spatial variation on the species richness estimation have not been examined. To this end, we have explored their effects on estimating the belowground soil bacterial species richness within a 50 ha forest dynamic plot (FDP) using a published massive sequencing dataset with intensive sampling scheme...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28463904/gas-foveal-contact-a-new-approach-to-evaluating-positioning-regimens-in-macular-hole-surgery
#11
Mark Alberti, Morten la Cour
PURPOSE: To compare gas-foveal contact in face-down positioning (FDP) and nonsupine positioning (NSP), to analyze causes of gas-foveal separation and to determine how gas-foveal contact affects clinical outcome after idiopathic macular hole repair. METHODS: Single center, randomized controlled study. Participants with an idiopathic macular hole were allocated to either FDP or NSP. Primary outcome was gas-foveal contact, calculated by analyzing positioning in relation to intraocular gas fill...
April 28, 2017: Retina
https://www.readbyqxmd.com/read/28461087/long-term-outcome-of-paediatric-flexor-tendon-injuries-of-the-hand
#12
Georg Singer, Thomas Zwetti, Ruth Amann, Christoph Castellani, Holger Till, Barbara Schmidt
The ideal rehabilitation regimen of paediatric flexor tendon injuries of the hand is discussed controversially. In this study, the clinical outcome of paediatric patients with flexor tendon injuries treated with a dynamic postoperative protocol was assessed. All children with flexor tendon injuries of the hand who were treated by a dynamic postoperative protocol between 1999 and 2011 were included. Patients were invited for a follow-up examination consisting of clinical examination, the TAM and Buck-Gramcko scores, and the linear measurement system...
April 8, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28458753/fibrinogen-degradation-product-levels-on-arrival-for-trauma-patients-requiring-a-transfusion-even-without-head-injury
#13
Youichi Yanagawa, Kouhei Ishikawa, Kei Jitsuiki, Toshihiko Yoshizawa, Yasumasa Oode, Kazuhiko Omori, Hiromichi Ohsaka
BACKGROUND: There have been few reports on the clinical significance of the fibrinogen degradation product (FDP) level in trauma patients with and without head injury. We retrospectively analyzed trauma patients with or without head injury to investigate the clinical significance of the FDP level. METHODS: From April 2013 to June 2015, a medical chart review was retrospectively performed for all patients with trauma. The exclusion criteria included patients who did not receive a transfusion...
2017: World Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28458599/abbreviated-mri-protocols-for-detecting-breast-cancer-in-women-with-dense-breasts
#14
Shuang-Qing Chen, Min Huang, Yu-Ying Shen, Chen-Lu Liu, Chuan-Xiao Xu
OBJECTIVE: To evaluate the validity of two abbreviated protocols (AP) of MRI in breast cancer screening of dense breast tissue. MATERIALS AND METHODS: This was a retrospective study in 356 participants with dense breast tissue and negative mammography results. The study was approved by the Nanjing Medical University Ethics Committee. Patients were imaged with a full diagnostic protocol (FDP) of MRI. Two APs (AP-1 consisting of the first post-contrast subtracted [FAST] and maximum-intensity projection [MIP] images, and AP-2 consisting of AP-1 combined with diffusion-weighted imaging [DWI]) and FDP images were analyzed separately, and the sensitivities and specificities of breast cancer detection were calculated...
May 2017: Korean Journal of Radiology: Official Journal of the Korean Radiological Society
https://www.readbyqxmd.com/read/28453343/acute-isolated-flexor-tendon-laceration-associated-with-a-distal-radius-fracture
#15
J Ryan Hill, Ram K Alluri, Alidad Ghiassi
BACKGROUND: Subacute rupture of the flexor tendons secondary to distal radius fractures is well documented. Recently, accounts of flexor tendon rupture following open reduction internal fixation have been associated with volar plate fixation. However, discovery of an occult traumatic flexor tendon laceration during fixation of an acute distal radius fracture is not well described. This case indicates the importance of careful preoperative and intraoperative examination of the flexor tendons in the setting of comminuted distal radius fractures...
May 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28453342/flexor-tendon-rupture-due-to-previously-undiagnosed-kienb%C3%A3-ck-disease-a-case-report
#16
Kenrick Turner, Nicholas N Sheppard, Samuel E Norton
BACKGROUND: Spontaneous flexor tendon rupture is rare and most common in the little finger. The pathogenesis of spontaneous tendon ruptures is unclear but may occur through attrition or mechanical abrasion over a bony prominence. Kienböck disease is avascular necrosis of the lunate, with an unknown etiology. METHODS: We present a case of spontaneous rupture of flexor digitorum profundus due to Kienböck disease, which we believe is the first recorded case of flexor tendon rupture attributable to osteonecrosis of the lunate...
May 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28431956/bilateral-cerebral-embolism-as-a-characteristic-feature-of-patients-with-trousseau-syndrome
#17
Takeru Umemura, Junkoh Yamamoto, Daisuke Akiba, Shigeru Nishizawa
Trousseau syndrome is defined as a variant of intravascular thromboembolism that is induced by cancer. It may manifest itself as cerebral embolisms in some cases; however, when the cancer is not diagnosed, this identification may be difficult. Therefore, cerebral embolisms are often treated without identifying the cancer, which can worsen a patient's condition. The purpose of this study was to determine the differences in clinical features between cerebral embolisms induced by cancer (Trousseau syndrome) and those that are due to other causes, such as cardiogenic embolisms and artery-to-artery stroke...
April 19, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28364623/african-fermented-dairy-products-overview-of-predominant-technologically-important-microorganisms-focusing-on-african-streptococcus-infantarius-variants-and-potential-future-applications-for-enhanced-food-safety-and-security
#18
REVIEW
Christoph Jans, Leo Meile, Dasel Wambua Mulwa Kaindi, Wambui Kogi-Makau, Peter Lamuka, Pierre Renault, Bernd Kreikemeyer, Christophe Lacroix, Jan Hattendorf, Jakob Zinsstag, Esther Schelling, Gilbert Fokou, Bassirou Bonfoh
Milk is a major source of nutrients, but can also be a vehicle for zoonotic foodborne diseases, especially when raw milk is consumed. In Africa, poor processing and storage conditions contribute to contamination, outgrowth and transmission of pathogens, which lead to spoilage, reduced food safety and security. Fermentation helps mitigate the impact of poor handling and storage conditions by enhancing shelf life and food safety. Traditionally-fermented sour milk products are culturally accepted and widely distributed in Africa, and rely on product-specific microbiota responsible for aroma, flavor and texture...
March 21, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28336014/clinical-significance-of-fibrinogen-degradation-product-among-traumatized-patients
#19
Kouhei Ishikawa, Kazuhiko Omori, Kei Jitsuiki, Hiromichi Ohsaka, Hiroshi Ito, Katsuhito Shimoyama, Toru Fukunaga, Norikazu Urabe, Souichirou Kitamura, Youichi Yanagawa
OBJECTIVE: We retrospectively analyzed trauma patients who were transported by a physician-staffed helicopter (doctor helicopter) to investigate the clinical significance of the fibrinogen degradation product (FDP) level on arrival. METHODS: From February 2011 to July 2016, a medical chart review was retrospectively performed for all patients with trauma who were transported by the doctor helicopter. The subjects were divided into 2 groups: a survival group and a fatal group...
March 2017: Air Medical Journal
https://www.readbyqxmd.com/read/28319875/electrophysiologic-features-of-ulnar-neuropathy-in-childhood-and-adolescence
#20
Ioannis Karakis, Wendy Liew, Heather Szelag Fournier, H Royden Jones, Basil T Darras, Peter B Kang
OBJECTIVE: To analyze patterns of nerve injury in pediatric ulnar neuropathy (PUN). METHODS: Retrospective analysis of 49 children with PUN. RESULTS: Sensory loss in digit V was the prevailing complaint (89%). Predominant localization was at the elbow (55%). Diminished ulnar SNAP was the most common abnormality (71%) with median axon loss estimate (MAXE) of 62%. Dorsal ulnar cutaneous (DUC) sensory nerve action potential (SNAP) was reduced in 55% with MAXE of 43%...
May 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
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