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https://www.readbyqxmd.com/read/28227347/an-eemd-pca-approach-to-extract-heart-rate-respiratory-rate-and-respiratory-activity-from-ppg-signal
#1
Mohammod Abdul Motin, Chandan Kumar Karmakar, Marimuthu Palaniswami, Mohammod Abdul Motin, Chandan Kumar Karmakar, Marimuthu Palaniswami, Marimuthu Palaniswami, Mohammod Abdul Motin, Chandan Kumar Karmakar
The pulse oximeter's photoplethysmographic (PPG) signals, measure the local variations of blood volume in tissues, reflecting the peripheral pulse modulated by cardiac activity, respiration and other physiological effects. Therefore, PPG can be used to extract the vital cardiorespiratory signals like heart rate (HR), respiratory rate (RR) and respiratory activity (RA) and this will reduce the number of sensors connected to the patient's body for recording vital signs. In this paper, we propose an algorithm based on ensemble empirical mode decomposition with principal component analysis (EEMD-PCA) as a novel approach to estimate HR, RR and RA simultaneously from PPG signal...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225837/storage-time-of-intraoperative-transfused-allogeneic-red-blood-cells-is-not-associated-with-new-onset-postoperative-atrial-fibrillation-in-cardiac-surgery
#2
Jiwei Gu, Regitze Kuhr Skals, Christian Torp-Pedersen, Søren Lundbye-Christensen, Carl-Johan Jakobsen, John Bæch, Mikkel Steen Petersen, Jan Jesper Andreasen
BACKGROUND: Allogeneic red blood cell (RBC) transfusion has been associated with new-onset postoperative atrial fibrillation (POAF) following cardiac surgery. Prolonged storage time of RBC may increase the risk. The primary aim of the study was to evaluate whether the storage time of RBC is associated with development of POAF. MATERIALS AND METHODS: Pre-, per- and postoperative data were retrieved from the Western Denmark Heart Registry and local blood banks regarding patients who underwent coronary artery bypass surgery, valve surgery or combined procedures in Aalborg or Aarhus University Hospital during 2010-2014...
2017: PloS One
https://www.readbyqxmd.com/read/28224926/a-30-month-worksite-based-lifestyle-program-to-promote-cardiovascular-health-in-middle-aged-bank-employees-design-of-the-tansnip-pesa-randomized-controlled-trial
#3
Jennifer K Coffeng, Hidde P van der Ploeg, José M Castellano, Juan M Fernández-Alvira, Borja Ibáñez, Inés García-Lunar, Allard J van der Beek, Antonio Fernández-Ortiz, Agustín Mocoroa, Laura García-Leal, Evelyn Cárdenas, Carolina Rojas, María I Martínez-Castro, Silvia Santiago-Sacristán, Miriam Fernández-Gallardo, José M Mendiguren, Sameer Bansilal, Willem van Mechelen, Valentín Fuster
BACKGROUND: Cardiovascular disease (CVD) is the leading cause of death worldwide. With atherosclerosis as the underlying cause for many CVD events, prevention or reduction of subclinical atherosclerotic plaque burden (SAPB) through a healthier lifestyle may have substantial public health benefits. OBJECTIVE: The objective was to describe the protocol of a randomized controlled trial investigating the effectiveness of a 30-month worksite-based lifestyle program aimed to promote cardiovascular health in participants having a high or a low degree of SAPB compared with standard care...
February 2017: American Heart Journal
https://www.readbyqxmd.com/read/28223040/red-blood-cell-exchange-as-an-approach-for-treating-a-case-of-severe-tacrolimus-overexposure
#4
Valentina Spallanzani, Lucia Bindi, Irene Bianco, Arianna Precisi, Paolo DeSimone, Alessandro Mazzoni, Gianni Biancofiore
Immunosuppressive medication dosing errors are not unfrequent and may present a number of challenges to transplant clinicians. Tacrolimus (TAC) is a widely used immunosuppressant with a narrow therapeutic index and potential severe side effects, including neurotoxicity and kidney injury. We herein report a case of 60-year-old woman who underwent deceased-donor liver transplantation at our center and due to inadvertent TAC overexposure was admitted to the Intensive Care Unit because of severe neurologic impairment, kidney injury and arterial hypotension...
February 2, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28220494/mortality-outcomes-in-patients-transfused-with-fresher-versus-older-red-blood-cells-a-meta-analysis
#5
C Chai-Adisaksopha, P E Alexander, G Guyatt, M A Crowther, N M Heddle, P J Devereaux, M Ellis, D Roxby, D I Sessler, J W Eikelboom
BACKGROUND: Among transfused patients, the effect of the duration of red blood cell storage on mortality remains unclear. This study aims to compare the mortality of patients who were transfused with fresher versus older red blood cells. METHODS: We performed an updated systematic search in the CENTRAL, MEDLINE, EMBASE and CINAHL databases, from January 2015 to October 2016. RCTs of hospitalized patients of any age comparing transfusion of fresher versus older red blood cells were eligible...
February 20, 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/28217596/distribution-of-abo-and-rh-types-in-voluntary-blood-donors-in-jharkhand-area-as-a-study-conducted-by-rims-ranchi
#6
Anu Singh, Ramesh Kumar Srivastava, Kabita S Deogharia, Kranti Kumar Singh
BACKGROUND: This study was done to know the distribution and frequencies of blood groups among blood donors attending voluntary blood donation camps organized by the Rajendra Institute of Medical Sciences (RIMS), Ranchi, Jharkhand so that demand and supply ratio of the four blood groups can be maintained so that no patient dies due to lack of a particular blood group. CONTEXT: Up till now about 400 red cells antigen have been identified. The majority follow Mendelian inheritance...
July 2016: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/28216700/a-retrospective-study-of-transfusion-practices-in-a-tertiary-care-institute
#7
Babita Raghuwanshi, N K Pehlajani, Mithilesh K Sinha, Swagata Tripathy
BACKGROUND AND AIMS: Excessive requests for cross matching blood which is more than the blood required for transfusion are usually based on worst case assumptions leading to overestimation of blood usage. We investigated the blood ordering pattern and transfusion practices so as to incorporate a blood ordering schedule for streamlining the use of blood in various hospital departments. METHODS: The study was conducted over a period of 19 months in a 350 bedded tertiary teaching hospital...
January 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/28208668/redox-proteomics-and-platelet-activation-understanding-the-redox-proteome-to-improve-platelet-quality-for-transfusion
#8
REVIEW
Giona Sonego, Mélanie Abonnenc, Jean-Daniel Tissot, Michel Prudent, Niels Lion
Blood banks use pathogen inactivation (PI) technologies to increase the safety of platelet concentrates (PCs). The characteristics of PI-treated PCs slightly differ from those of untreated PCs, but the underlying reasons are not well understood. One possible cause is the generation of oxidative stress during the PI process. This is of great interest since reactive oxygen species (ROS) act as second messengers in platelet functions. Furthermore, there are links between protein oxidation and phosphorylation, another mechanism that is critical for cell regulation...
February 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28202065/alternative-transmission-routes-in-the-malaria-elimination-era-an-overview-of-transfusion-transmitted-malaria-in-the-americas
#9
Regina M Alho, Kim Vinícius Amaral Machado, Fernando F A Val, Nelson A Fraiji, Marcia A A Alexandre, Gisely C Melo, Judith Recht, André M Siqueira, Wuelton M Monteiro, Marcus V G Lacerda
BACKGROUND: Transfusion-transmitted (TT) malaria is an alternative infection route that has gained little attention from authorities, despite representing a life-threatening condition. There has been no systematic review of this health problem in American countries. The aim of this study was to describe the clinical and epidemiological characteristics of TT malaria in the Americas and identify factors associated with lethality based on the studies published in the literature. METHODS: Potentially relevant papers in all languages were retrieved from MEDLINE and LILACS...
February 15, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28197273/clinical-and-surgical-strategies-for-avoiding-or-reducing-allogeneic-blood-transfusions
#10
Antonio Alceu Dos Santos, Jose Francisco Baumgratz, Jose Henrique Andrade Vila, Rodrigo Moreira Castro, Rodrigo Freire Bezerra
Blood transfusions have still been used as a standard therapy to treat severe anemia. Current evidences point to both excessive allogeneic blood consumption and decreased donations, which result in reduced stocks in blood banks. Several studies have increasingly suggested a more restrictive transfusion practice for blood products. Currently, a number of autologous blood conservation protocols in surgeries have been noted. We report a case of severe anemia with 2.9 g/dL hemoglobin, which was successfully handled without using the standard therapy to treat anemia with hemotransfusions...
April 2016: Cardiology Research
https://www.readbyqxmd.com/read/28196298/human-to-human-transmission-of-brucella-a-systematic-review
#11
REVIEW
Felipe F Tuon, Regina B Gondolfo, Natacha Cerchiari
OBJECTIVE: The most common form of transmitting human brucellosis is through contaminated food or direct contact with infected animals. Human-to-human transmission (HHT) has been described as isolated case reports. The aim of this systematic review was to describe all cases of HHT of human brucellosis reported in the medical literature. METHODS: A literature search was conducted using PubMed, Scopus and Scielo databases using specific search terms published until March 2016...
February 14, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28184297/one-size-doesn-t-fit-all-should-we-reconsider-the-introduction-of-cold-stored-platelets-in-blood-bank-inventories
#12
REVIEW
Alessandra Berzuini, Marta Spreafico, Daniele Prati
Platelet concentrates are universally prepared with a standard method and stored for 5 days at room temperature (20-24°C) in gentle agitation. Currently, there is a renewed interest in the possibility of storing platelet concentrates below the standard temperatures. In fact, cold platelets might be more effective in bleeding patients and have a lower risk of bacterial transmission. Inventories including platelets at different temperatures may favour patient-centred strategies for prophylactic or therapeutic transfusions...
2017: F1000Research
https://www.readbyqxmd.com/read/28183813/targeted-proteomics-and-absolute-protein-quantification-for-the-construction-of-a-stoichiometric-host-pathogen-surface-density-model
#13
Kristoffer Sjöholm, Ola Kilsgård, Johan Teleman, Lotta Happonen, Lars Malmström, Johan Malmström
Sepsis is a systemic immune response responsible for considerable morbidity and mortality. Molecular modelling of host-pathogen interactions in the disease state represents a promising strategy to define molecular events of importance for the transition from superficial to invasive infectious diseases. Here we used the gram-positive bacterium Streptococcus pyogenes as a model system to establish a mass spectrometry based workflow for the construction of a stoichiometric surface density model between the S. pyogenes surface, the surface virulence factor M-protein, and adhered human blood plasma proteins...
February 9, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28182624/socio-demographic-characteristics-of-danish-blood-donors
#14
Kristoffer Sølvsten Burgdorf, Jacob Simonsen, Anna Sundby, Klaus Rostgaard, Ole Birger Pedersen, Erik Sørensen, Kaspar René Nielsen, Mie Topholm Bruun, Morten Frisch, Gustaf Edgren, Christian Erikstrup, Henrik Hjalgrim, Henrik Ullum
BACKGROUND: Blood transfusion is an essential component of a modern healthcare system. Because knowledge about blood donor demography may inform the design of strategies for donor recruitment and retention, we used nationwide registers to characterize the entire population of blood donors in Denmark in 2010. METHODS: The study population comprised all Danes in the age range eligible for blood donation (N = 3,236,753) at the end of 2010. From the Scandinavian Donations and Transfusions (SCANDAT) register, we identified 174,523 persons who donated blood in Danish blood banks at least once in 2010...
2017: PloS One
https://www.readbyqxmd.com/read/28179415/factors-related-to-receipt-of-non-cancer-related-transurethral-prostatectomy-findings-from-a-large-prospective-study-of-106%C3%A2-769-middle-aged-and-older-australian-men
#15
Grace Joshy, Kay Soga, Rosemary J Korda, Manish I Patel, Emily Banks
BACKGROUND: Transurethral prostatectomy (TURP) is a common surgical intervention for chronic lower urinary tract symptoms (LUTS). Little large-scale evidence exists on factors related to receipt of non-cancer-related TURP. METHODS: A prospective study of men aged ≥45 years participating in the 45 and Up Study, a large Australian cohort study, without prior prostatectomy and/or bowel/genital/urinary-tract cancer; questionnaire data were linked to hospitalisations and deaths...
February 8, 2017: BMJ Open
https://www.readbyqxmd.com/read/28177047/linalool-a-piper-aduncum-essential-oil-component-has-selective-activity-against-trypanosoma-cruzi-trypomastigote-forms-at-4%C3%A2-c
#16
Luz Helena Villamizar, Maria das Graças Cardoso, Juliana de Andrade, Maria Luisa Teixeira, Maurilio José Soares
BACKGROUND: Recent studies showed that essential oils from different pepper species (Piper spp.) have promising leishmanicidal and trypanocidal activities. OBJECTIVES: In search for natural compounds against Trypanosoma cruzi, different forms of the parasite were incubated for 24 h at 28ºC or 4ºC with Piper aduncum essential oil (PaEO) or its main constituents linalool and nerolidol. METHODS: PaEO chemical composition was obtained by GC-MS...
February 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28168326/damage-control-laparotomy-for-abdominal-trauma-in-children
#17
Stephanie F Polites, Elizabeth B Habermann, Amy E Glasgow, Martin D Zielinski
BACKGROUND: Damage control laparotomy (DCL) is not well studied in the pediatric trauma population. The purpose of this study was to develop a surrogate definition of DCL compatible with national and administrative data sources so that the rate and outcomes of DCL in pediatric trauma patients could be determined. METHODS: Using the 2010-2014 National Trauma Data Bank, children ≤18 with an abdominal AIS ≥ 3 who underwent a laparotomy within 3 h of arrival were identified (n = 2989)...
February 6, 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/28164774/tauopathies-focus-on-changes-at-the-neurovascular-unit
#18
Alena Michalicova, William A Banks, Jaroslav Legath, Andrej Kovac
In the past, the blood-brain barrier (BBB) had been characterized mainly as a layer of endothelial cells forming the vessel/capillary wall of the brain. More recently, the BBB is considered to be a part of a highly dynamic and interactive system called the neurovascular unit (NVU), consisting of vascular cells, glial cells, and neurons. The list of central nervous system (CNS) pathologies involving BBB dysfunction is rapidly growing. The opening of the BBB and subsequent infiltration of serum components to the brain can lead to host of processes resulting in progressive synaptic and neuronal dysfunction and loss...
February 3, 2017: Current Alzheimer Research
https://www.readbyqxmd.com/read/28164617/evaluation-of-labtype%C3%A2-sso-hla-typing-using-the-luminex-platform-cord-blood-registry-typing-for-the-korean-population
#19
Eun-Youn Roh, Eun-Young Song, Jee-Young Chang, Jong-Hyun Yoon, Sue Shin
BACKGROUND: The performance of a new intermediate-resolution method using a PCR-Luminex platform and LABType® SSO A, B DRB1 kits as an HLA typing method for the cord blood (CB) registry of the Korean population was investigated. METHODS: A total of 1,413 cord blood units (CBUs) were enrolled - 1,382 from Koreans and 31 from non-Koreans or mixed-ancestry individuals. HLA-A, -B, and -DRB1 typing was performed using the LABType® SSO typing kits. HLA typing with the DNA method and 2-digit results are mandatory for the public CB bank in Korea according to the "CB Act...
August 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28164608/alterations-of-vitamin-d-receptor-vdr-expression-profile-in-normal-and-malignant-breast-tissues
#20
Naghmeh Zhalehjoo, Yadollah Shakiba, Mojtaba Panjehpour
BACKGROUND: The actions of Vitamin D in different tissues, including breast tissue, are mediated by vitamin D receptor (VDR). Vitamin D has antitumor functions in the body; any changes in VDR expression can therefore affect the anticancer activities of Vitamin D. The present study was conducted to compare expression levels of VDR mRNA and protein in normal and tumor breast tissues. METHODS: Tumor and adjacent normal tissue samples from 30 patients with breast cancer were procured from the Iran National Tumor Bank of the Cancer Institute...
August 1, 2016: Clinical Laboratory
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