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Ma Paz Redondo-Del-Río, Ma Alicia Camina-Martín, Laura Moya-Gago, Sandra de-la-Cruz-Marcos, Vincenzo Malafarina, Beatriz de-Mateo-Silleras
OBJECTIVE: To compare body composition as assessed by conventional and vector bioelectrical impedance analysis according to the nutritional cataloging using body mass index (BMI) in a group of institutionalized elderly. METHODS: Cross-sectional study in 38 institutionalized elderly. Body composition was estimated by bioimpedance analysis. Differences in body composition were analyzed using t-test and ANOVA, or their corresponding nonparametric tests. Statistical significance was set at p<0...
October 10, 2016: Experimental Gerontology
Amara Callistus Nwosu, Catriona R Mayland, Stephen Mason, Trevor F Cox, Andrea Varro, John Ellershaw
BACKGROUND: Hydration in advanced cancer is a controversial area; however, current hydration assessments methods are poorly developed. Bioelectrical impedance vector analysis (BIVA) is an accurate hydration tool; however its application in advanced cancer has not been explored. This study used BIVA to evaluate hydration status in advanced cancer to examine the association of fluid status with symptoms, physical signs, renal biochemical measures and survival. MATERIALS AND METHODS: An observational study of 90 adults with advanced cancer receiving care in a UK specialist palliative care inpatient unit was conducted...
2016: PloS One
Bivas Biswas, Sameer Bakhshi
Ewing sarcoma family tumors (ESFT) are heterogeneous, aggressive group of disease with peak incidence in adolescent and young adults. The outcome has been improved dramatically from 10% with surgery and radiotherapy alone to 65%-70% now, in localized disease, with the introduction of chemotherapy. Chemotherapy regimen evolved from single agent to multiagent with effort of many cooperative clinical trials over decades. The usual treatment protocol include introduction of multi-agent chemotherapy in neoadjuvant setting to eradicate systemic disease with timely incorporation of surgery and/or radiotherapy as local treatment modality and further adjuvant chemotherapy to prevent recurrence...
September 18, 2016: World Journal of Orthopedics
Yueh-Hsun Lu, Karthick Mani, Bivas Panigrahi, Wen-Tang Hsu, Chia-Yuan Chen
Endovascular aortic aneurysm repair (EVAR) is a predominant surgical procedure to reduce the risk of aneurysm rupture in abdominal aortic aneurysm (AAA) patients. Endoleak formation, which eventually requires additional surgical reoperation, is a major EVAR complication. Understanding the etiology and evolution of endoleak from the hemodynamic perspective is crucial to advancing the current posttreatments for AAA patients who underwent EVAR. Therefore, a comprehensive flow assessment was performed to investigate the relationship between endoleak and its surrounding pathological flow fields through computational fluid dynamics and image processing...
2016: Computational and Mathematical Methods in Medicine
Priyankur Roy, M S Sujatha, Ambarisha Bhandiwad, Bivas Biswas
INTRODUCTION: Anti-fibrinolytic agents are used to reduce obstetric blood loss as the fibrinolytic system is known to get activated after placental delivery. OBJECTIVES: To evaluate the efficacy of parenteral tranexamic acid in reducing blood loss during normal labour and to compare it with the amount of blood loss in patients who received placebo in the third stage of labour. METHODOLOGY: Patients with spontaneous labour or planned for induction of labour and fulfilling the inclusion criteria were recruited for the study...
October 2016: Journal of Obstetrics and Gynaecology of India
Priyankur Roy, M S Sujatha, Ambarisha Bhandiwad, Bivas Biswas, Anumita Chatterjee
AIM: The third stage of labour commences after the delivery of the foetus and ends with the delivery of the placenta and its membranes. Postpartum haemorrhage is the most common cause of maternal mortality and accounts for about 25 % of maternal deaths in India. OBJECTIVES: The present study was designed to evaluate the effectiveness of placental blood drainage after spontaneous vaginal delivery as part of active management of third stage of labour in decreasing the duration, blood loss, and complications of the third stage, against no drainage of placental blood...
October 2016: Journal of Obstetrics and Gynaecology of India
Estefanía Arámbula-Garza, Lilia Castillo-Martínez, Dulce González-Islas, Arturo Orea-Tejeda, Brenda Santellano-Juárez, Candace Keirns-Davies, Viridiana Peláez-Hernández, Rocío Sánchez-Santillán, Juan Pineda-Juárez, Carlos Cintora-Martínez, Ruth Pablo-Santiago
BACKGROUND: Cachexia is a common complication in patients with advanced heart failure (HF) associated with inflammatory response activation. Atrial fibrillation (AF) is the most frequent arrhythmia (26%), probably both exacerbate the cardiac cachexia (CC). OBJECTIVES: Evaluate the association of cardiac cachexia and atrial fibrillation in heart failure patients. MATERIAL AND METHODS: In a case control study, CC was diagnosed by electrical bioimpedance with vectorial analysis (BIVA)...
November 15, 2016: International Journal of Cardiology
Priscila Giacomo Fassini, Carolina Ferreira Nicoletti, Karina Pfrimer, Carla Barbosa Nonino, Júlio Sérgio Marchini, Eduardo Ferriolli
BACKGROUND & AIMS: Short bowel syndrome (SBS) represents a serious intestinal absorption disorder. Therefore, patients with SBS may have severe malnutrition and excessive mineral and fluid losses. Once the assessment of nutritional status is important in their follow-up, body composition measurements and especially total body water (TBW) must be repeatedly evaluated for the assessment of changes in hydration and nutritional care. The aim of this study was to investigate if bioelectrical impedance vector analysis (BIVA) is a useful predictor of nutritional and hydration status in SBS patients...
July 27, 2016: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
Fernando Rodríguez-Rodríguez, Carlos Cristi-Montero, Katherine González-Ruíz, Jorge Enrique Correa-Bautista, Robinson Ramírez-Vélez
Muscle strength can define the general muscular fitness (MF) measurable through hand-grip strength (HG), which is a factor that relates to the health of people of different ages. In this study we evaluated the muscle strength together with a bioimpedance electric analysis in 223 healthy Colombian adult subjects. The bioelectrical impedance vector analysis (BIVA) was conducted to determine the resistance (R), reactance (Xc) and phase angle (PhA). We classified the subjects into three groups (for tertiles), obtaining lower values of R and Xc in subjects with lower HG, plus a high correlation between PhA and HG...
2016: Nutrients
L Nescolarde, H Lukaski, A De Lorenzo, B de-Mateo-Silleras, M P Redondo-Del-Río, M A Camina-Martín
BACKGROUND/OBJECTIVES: Bioelectrical impedance vector analysis (BIVA) is increasingly used in clinical research to assess soft tissue hydration. It is known that physical characteristics of electrodes, such as low intrinsic impedance, low electrode/skin contact impedance and type of gel, affect the reliability of noninvasive bioimpedance assessments. The aim of this study was to determine the effect of intrinsic impedance of electrode on the bioimpedance vector displacement in RXc graph...
July 6, 2016: European Journal of Clinical Nutrition
Sami F Khalil, Mas S Mohktar, Fatimah Ibrahim
Real-time monitoring and precise diagnosis of the severity of Dengue infection is needed for better decisions in disease management. The aim of this study is to use the Bioimpedance Vector Analysis (BIVA) method to differentiate between healthy subjects and severe and non-severe Dengue-infected patients. Bioimpedance was measured using a 50 KHz single-frequency bioimpedance analyzer. Data from 299 healthy subjects (124 males and 175 females) and 205 serologically confirmed Dengue patients (123 males and 82 females) were analyzed in this study...
2016: Sensors
Amara Callistus Nwosu, Lauren Morris, Catriona Mayland, Stephen Mason, Andrew Pettitt, John Ellershaw
Polyneuropathy, organomegaly, endocrinopathy, M-protein and skin changes (POEMS) syndrome is a rare paraneoplastic disorder associated with an underlying plasma cell dyscrasia and multiorgan failure. POEMS syndrome is potentially fatal and adversely affects quality of life. Oedema is common with many patients affected by pleural effusions, ascites and lower limb oedema. Bioelectrical impedance vector analysis (BIVA) is a non-invasive assessment tool, which enables rapid bedside assessments of nutrition and hydration...
September 2016: BMJ Supportive & Palliative Care
Francesco Massari, Massimo Iacoviello, Pietro Scicchitano, Filippo Mastropasqua, Pietro Guida, Graziano Riccioni, Giuseppe Speziale, Pasquale Caldarola, Marco Matteo Ciccone, Salvatore Di Somma
OBJECTIVE: To evaluate the role of bioelectrical impedance vector analysis (BIVA) and brain natriuretic peptide (BNP) in detecting peripheral congestion in heart failure (HF). BACKGROUND: BIVA/BNP are biomarkers for congestion in acute (ADHF) and chronic HF. METHODS: 487 ADHF and 413 chronic HF patients underwent BIVA and BNP tests. RESULTS: BIVA was more accurate than BNP in detecting peripheral congestion both in ADHF (AUC 0...
July 2016: Heart & Lung: the Journal of Critical Care
Pamela A Haile, Bartholomew J Votta, Robert W Marquis, Michael J Bury, John F Mehlmann, Robert Singhaus, Adam K Charnley, Ami S Lakdawala, Máire A Convery, David B Lipshutz, Biva M Desai, Barbara Swift, Carol A Capriotti, Scott B Berger, Mukesh K Mahajan, Michael A Reilly, Elizabeth J Rivera, Helen H Sun, Rakesh Nagilla, Allison M Beal, Joshua N Finger, Michael N Cook, Bryan W King, Michael T Ouellette, Rachel D Totoritis, Maria Pierdomenico, Anna Negroni, Laura Stronati, Salvatore Cucchiara, Bartłomiej Ziółkowski, Anna Vossenkämper, Thomas T MacDonald, Peter J Gough, John Bertin, Linda N Casillas
RIP2 kinase is a central component of the innate immune system and enables downstream signaling following activation of the pattern recognition receptors NOD1 and NOD2, leading to the production of inflammatory cytokines. Recently, several inhibitors of RIP2 kinase have been disclosed that have contributed to the fundamental understanding of the role of RIP2 in this pathway. However, because they lack either broad kinase selectivity or strong affinity for RIP2, these tools have only limited utility to assess the role of RIP2 in complex environments...
May 26, 2016: Journal of Medicinal Chemistry
Christophe Minetti, Victoria Vitkova, Frank Dubois, Isak Bivas
The bending elasticity modulus of lipid membranes is obtained by applying for the first time, to the best of our knowledge, a novel experimental technique based on digital holographic microscopy. The fluctuations of the radius with time were extracted by tracking and measuring the optical thickness at the vesicle poles. The temporal autocorrelation function of the vesicle diameter computed for each of the studied vesicles was then fitted with the theoretical expression to deduce the membrane's tension and bending constant...
April 15, 2016: Optics Letters
Simona Santarelli, Veronica Russo, Irene Lalle, Benedetta De Berardinis, Francesco Vetrone, Laura Magrini, Enrico Di Stasio, Antonio Piccoli, Marta Codognotto, Monica M Mion, Luigi M Castello, Gian Carlo Avanzi, Salvatore Di Somma
OBJECTIVES: The objective of this study was to investigate the prognostic role of quantitative reduction of congestion during hospitalization assessed by Bioelectrical Impedance Vector Analysis (BIVA) serial evaluations in patients admitted for acute heart failure (AHF). BACKGROUND: AHF is a frequent reason for patients to be admitted. Exacerbation of chronic heart failure is linked with a progressive worsening of the disease with increased incidence of death. Fluid overload is the main mechanism underlying acute decompensation in these patients...
April 12, 2016: European Heart Journal. Acute Cardiovascular Care
Sara Samoni, Valentina Vigo, Luis Ignacio Bonilla Reséndiz, Gianluca Villa, Silvia De Rosa, Federico Nalesso, Fiorenza Ferrari, Mario Meola, Alessandra Brendolan, Paolo Malacarne, Francesco Forfori, Raffaele Bonato, Carlo Donadio, Claudio Ronco
BACKGROUND: Studies have demonstrated a positive correlation between fluid overload (FO) and adverse outcomes in critically ill patients. The present study aims at defining the impact of hyperhydration on the Intensive Care Unit (ICU) mortality risk, comparing Bioelectrical Impedance Vector Analysis (BIVA) assessment with cumulative fluid balance (CFB) recording. METHODS: We performed a prospective, dual-centre, clinician-blinded, observational study of consecutive patients admitted to ICU with an expected length of ICU stay of at least 72 hours...
2016: Critical Care: the Official Journal of the Critical Care Forum
Luca Pollastri, Francesca Lanfranconi, Giovanni Tredici, Kai Schenk, Martin Burtscher, Hannes Gatterer
The aim of the study was to investigate changes in hydration status by means of bioelectrical impedance vector analyses (BIVA) and to assess its influence on power output and rating of perceived exertion (RPE) during the Giro d'Italia 2014. Daily bioelectrical impedance analysis were performed on 9 professional road cyclists (age: 28.2 ± 4.7 yr, height: 176.0 ± 5.5 cm, weight: 64.7 ± 3.4 kg) during the race. Additionally, body weight, RPE, and power output were recorded throughout the race. Impedance vectors shortened during the race, whereas body weight remained unchanged at the end of the tour when compared to pre-tour...
2016: Research in Sports Medicine
J Pimenta, P Bettencourt
No abstract text is available yet for this article.
April 2016: Revista Clínica Española
Israt J Biva, Chi P Ndi, Hans J Griesser, Susan J Semple
ETHNOPHARMACOLOGICAL RELEVANCE: For traditional medicinal purposes Aboriginal Australians have utilised numerous plant species, Eremophila alternifolia is among the most prominent. Traditionally, fresh leaves, leaf-infusions and handmade leaf-pastes have been used as both external and internal preparations to provide relief from a variety of conditions. Preparations of the species have been used to treat various infections of skin, eyes and throat including the treatment of septic wounds...
April 22, 2016: Journal of Ethnopharmacology
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