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Jimenez-Candil J, Castro JC, Hernandez J, Nunez J, Morinigo JL, Bravo L, Sanchez PL. P2874Predictors of Electrical Strom among ICD patients: the importance of the burden of non-sustained VTs. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz748.1182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Among ICD patients, the burden of non-sustained ventricular tachycardias (NSVT) occurring during the first 6 months after implant is associated independently with an increase in cardiac death. It is unknown whether there are differences between the incidence of Electrical Storm (ES) and the cause of cardiac mortality (CM) according to the burden of NSVT.
Purpose
To determine the relationship between the burden of NSVT occurring early after ICD implant and the risk of ES in the long-term among ICD patients with left ventricular dysfunction.
Methods
In this prospective study, 416 patients (age: 65±11; LVEF: 30±8; ischemic etiology: 62%, primary prevention: 63%) with LVEF <45% and ICD without cardiac resynchronization therapy were followed-up for 41±27 after implant. ICD programming was standardized. NSVT was defined as any ventricular tachyarrhythmia with >5 beats at ≥150 bpm terminating spontaneously before therapy that occurred within the first six months after ICD implant.
Results
A total of 31 patients (7.5%) presenting with ES during the follow-up. After classifying the subjects into three groups according to the burden of NSVT (tertiles): no NSVT (N=166, group 1); 1–5 NSVT (n=130, group 2) and >5 NSVT (n=120, group 3), the cumulative incidence of ES was higher in group 3: 2.4% vs. 3.1% vs. 19.2%, with an average of time from implant to ES significantly shorter (mean [95% CI, months]): 97 (94–100) vs. 103 (99–106) vs. 86 (79–93); p<0.001 for groups 1–2 vs. 3 (log-rank test). Figure. All ESs were due to monomorphic VT in individuals with ≤5 NSVT; however, 19% of ESs were caused by polymorphic VT or VF among patients with >5 NSVT (p<0.05). By multivariate analysis (Cox-regression), LVEF, % (HR=1.06; p=0.026) and >5 TVNS (HR=4.66; p=0.001) were identified as independent predictors of ES. Cardiac mortality (CM) was independently higher in subjects with >5 NSVT (HR=1.7; p=0.03). The most frequent cause of CM was cardiac failure irrespective of NSVT burden (93% in patients with ≤5 NSVT and 79% in >5 NSVT); however CM due to ES was exclusive of individuals with >5 NSVT: 15% vs. 0% (p<0.05).
Figure 1
Conclusions
1. The burden of NSVT occurring during the first 6 months after an ICD implant is associated independently with a higher risk of ES in the long-term. 2. The adjusted risk of ES is 4-fold higher in individuals with >5 NSVT. 3. The most frequent etiology of CM is heart failure; CM due to ES is exclusive of patients with >5 NSVT causing the 15% of deaths in such population.
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Fernandez Valledor A, Jorda P, Pajuelo C, Vinas D, Hernandez J, Culotta V, Pinazo MJ, Posada E, Aldasoro E, Gascon J, Sitges M, Garcia Alvarez ANA. P1810May early myocardial involvement detection in chagas disease have a prognosis impact? Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz748.0562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Background
Brain natriuretic peptide (BNP) and novel echocardiographic techniques such as speckle-tracking and a comprehensive evaluation of diastolic function can detect early myocardial involvement in patients with Chagas disease. However, there is lack of longitudinal studies that can confirm whether this early myocardial involvement translates into a worse prognosis.
Purpose
To assess if early myocardial involvement detected by BNP or a comprehensive echocardiographic evaluation was associated with future events in Chagas disease.
Methods
182 consecutive individuals from endemic areas who underwent T. cruzi screening where prospectively included from 2007 to 2014. ECG, BNP and a comprehensive echocardiography including diastolic function and longitudinal myocardial strain were performed. Four different groups were defined: healthy controls (N=77); Chagas indeterminate form (positive serology, normal ECG and left ventricle (LV) diameter (<55 mm), LV ejection fraction (>50%) and no segmental abnormalities, N=88); Chagas patients with abnormal ECG but normal LV dimensions and motility (N=7); and Chagas patients with LV diameter>55 mm or LV ejection fraction<50% or segmental abnormalities (N=13). The primary outcome included advanced atrioventricular block, sustained ventricular tachycardia, heart failure, heart transplant or death. Kaplan Meier with Long rank test and Cox regression analysis was used.
Results
Mean age was 37±9 and 34% were male. Median follow-up was 63 months (range 1 to 137). The primary endpoint occurred in a total of 11 (10%) individuals: 2 (2.4%) in the Indeterminate group; 3 (43%) in the abnormal ECG group; and 6 (46%) in the group with abnormal LV dimension or motility, with no events among controls (long-rank test<0.01, Figure). In the global population, age, BNP, diastolic dysfunction parameters and longitudinal strain at the inferior and lateral walls were significant predictors. In the cohort of Chagas patients with normal standard echocardiography (N=92), ECG abnormalities (HR=49, p=0.001), Em (HR=0.68, p=0.03), deceleration time (HR=0.01, p=0.01), left atrial diameter (HR=1.24, p<0.01) and longitudinal strain at the midventricular lateral wall (HR=0.75, p=0.028) remained significantly associated with outcome.
Cumulative survival without events
Conclusions
Outcome was significantly more frequent in Chagas patients with abnormalities in ECG or standard echocardiography. In early forms of the disease, myocardial involvement detected by BNP or a comprehensive echocardiography was associated with prognosis, and may help to individualize treatment and follow-up.
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Rabasa J, Bradbury M, Sanchez-Iglesias JL, Guerrero D, Forcada C, Alcalde A, Pérez-Benavente A, Cabrera S, Ramon-Cajal S, Hernandez J, Dinares C, García A, Centeno C, Gil-Moreno A. Evaluation of the intraoperative human papillomavirus test as a marker of early cure at 12 months after electrosurgical excision procedure in women with cervical high-grade squamous intraepithelial lesion: a prospective cohort study. BJOG 2019; 127:99-105. [PMID: 31502397 DOI: 10.1111/1471-0528.15932] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/12/2019] [Indexed: 12/24/2022]
Abstract
OBJECTIVE To evaluate if the intraoperative human papillomavirus (IOP-HPV) test has the same prognostic value as the HPV test performed at 6 months after treatment of high-grade squamous intraepithelial lesion (HSIL) to predict treatment failure. DESIGN Prospective cohort study. SETTING Barcelona, Spain. POPULATION A cohort of 216 women diagnosed with HSIL and treated with loop electrosurgical excision procedure (LEEP). METHODS After LEEP, an HPV test was performed using the Hybrid Capture 2 system. If this was positive, genotyping was performed with the CLART HPV2 technique. The IOP-HPV test was compared with HPV test at 6 months and with surgical margins. MAIN OUTCOME MEASURE Treatment failure. RESULTS Recurrence rate of HSIL was 6%. There was a strong association between a positive IOP-HPV test, a positive 6-month HPV test, positive HPV 16 genotype, positive surgical margins and HSIL recurrence. Sensitivity, specificity, and positive and negative predictive values of the IOP-HPV test were 85.7, 80.8,24.0 and 98.8% and of the HPV test at 6 months were 76.9, 75.8, 17.2 and 98.0%. CONCLUSION Intraoperative HPV test accurately predicts treatment failure in women with cervical intraepithelial neoplasia grade 2/3. This new approach may allow early identification of patients with recurrent disease, which will not delay the treatment. Genotyping could be useful in detecting high-risk patients. TWEETABLE ABSTRACT IOP-HPV test accurately predicts treatment failure in women with CIN 2/3.
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Pedreira CE, Costa ESD, Lecrevise Q, Grigore G, Fluxa R, Verde J, Hernandez J, van Dongen JJM, Orfao A. From big flow cytometry datasets to smart diagnostic strategies: The EuroFlow approach. J Immunol Methods 2019; 475:112631. [PMID: 31306640 DOI: 10.1016/j.jim.2019.07.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 07/01/2019] [Accepted: 07/10/2019] [Indexed: 01/07/2023]
Abstract
The rise in the analytical speed of mutiparameter flow cytometers made possible by the introduction of digital instruments, has brought up the possibility to manage progressively higher number of parameters simultaneously on significantly greater numbers of individual cells. This has led to an exponential increase in the complexity and volume of flow cytometry data generated about cells present in individual samples evaluated in a single measurement. This increase demands for new developments in flow cytometry data analysis, graphical representation, and visualization and interpretation tools to address the new big data challenges, i.e. processing data files of ≥10-25 parameters per cell in samples with >5-10 million cells (= up to 250 million data points per cell sample) obtained in a few minutes. Here, we present a comprehensive review of some of the tools developed by the EuroFlow consortium for processing flow cytometric big data files in diagnostic laboratories, particularly focused on automated EuroFlow approaches for: i) identification of all cell populations coexisting in a sample (automated gating); ii) smart classification of aberrant cell populations in routine diagnostics; iii) automated reporting; together with iv) new tools developed to visualize n-dimensional data in 2-dimensional plots to support expert-guided automated data analysis. The concept of using reference data bases implemented into software programs, in combination with multivariate statistical analysis pioneered by EuroFlow, provides an innovative, highly efficient and fast approach for diagnostic screening, classification and monitoring of patients with distinct hematological and immune disorders, as well as other diseases.
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Launonen A, Casulo C, Pott C, Rusconi C, Hernandez J, Davies A. CLINICAL OUTCOMES OF PATIENTS WITH INTERMEDIATE-TO-HIGH-RISK FOLLICULAR LYMPHOMA (FL) IN THE GALLIUM PHASE III STUDY. Hematol Oncol 2019. [DOI: 10.1002/hon.56_2631] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Canales M, Mason J, Hernandez J, Tomiczek M, Hübel K. ONGOING STUDY OF OBINUTUZUMAB SHORT DURATION INFUSION IN PATIENTS WITH PREVIOUSLY UNTREATED ADVANCED FOLLICULAR LYMPHOMA. Hematol Oncol 2019. [DOI: 10.1002/hon.19_2632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Horn L, Whisenant J, Wakelee H, Reckamp K, Qiao H, Du L, Hernandez J, Huang V, Waqar S, Patel S, Sanborn R, Shaffer T, Garg K, Holzhausen A, Harrow K, Liang C, Lim L, Li M, Lovly C. Circulating tumor (ct) DNA analysis to monitor response and resistance to ensartinib in patients (pts) with ALK+ non-small cell lung cancer (NSCLC). Ann Oncol 2019. [DOI: 10.1093/annonc/mdz063.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Franz C, Stevens S, Hernandez J, Tai C, Slayday R, Kremen W. ASSOCIATIONS OF CHILDHOOD TRAUMA AND ADULT RESILIENCE WITH HIPPOCAMPAL VOLUME IN LATE MIDLIFE. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.1404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Jones S, Angiouli S, Gerding K, Keefer L, Hernandez J, White J, Simmons J, Cavallo F, Sausen M. P3.13-25 Development of a Comprehensive Genomic Profiling System to Detect Actionable Genetic Alterations and Tumor Mutation Burden. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Guirao A, Molins L, Ramon I, Sunyer G, Vinolas N, Marrades R, Sanchez D, Fibla J, Hernandez J, Boada M, Guzman R, Libreros A, Agusti A. MA03.11 Trained Dogs Can Identify Malignant Pulmonary Nodules in Exhaled Gas. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.339] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Hernandez J, Volland A, Leyshon BJ, Juda M, Ridlon JM, Johnson RW, Steelman AJ. Effect of imidacloprid ingestion on immune responses to porcine reproductive and respiratory syndrome virus. Sci Rep 2018; 8:11615. [PMID: 30072754 PMCID: PMC6072715 DOI: 10.1038/s41598-018-30093-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Accepted: 07/23/2018] [Indexed: 12/19/2022] Open
Abstract
Nicotine and acetylcholine cause immunosuppresion by signaling to the α7 nicotinic acetylcholine receptor (α7 nAChR) on immune cells. Neonicotinoids are nAChR agonists and widly used insecticides. We aimed to define the immunosuppressive potential of dietary exposure to the neonicotinoid imidacloprid (IMI) on the generation of innate and adaptive immune responses to porcine reproductive and respiratory syndrome virus (PRRSV). Piglets were randomized into groups based on diet and infection. Behavioral signs of illness were recorded. Urine IMI levels were measured by high performance liquid chromatography-mass spectrometry. Flow cytometry was used to determine the expression pattern of the α7 nAChR on porcine leukocytes as well as the effects of infection and treatment on circulating leukocyte populations. Serum cytokines and PRRSV-specific antibody levels were determined by ELISA. Viral RNA in lung, spleen and plasma was determined by RT-qPCR. Pigs in the treatment group had elevated urine levels of IMI. Treatment with IMI reduced body weight, caused bouts of hypothermia, increased serum IL-10 and elevated levels of virus-specific antibodies. Viral RNA levels in the spleen showed a trend toward being increased in pigs fed IMI. Our data indicates that IMI injection may modulate virus specific immune function during PRRSV infection.
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Musat D, Pimienta J, Milstein N, Pistilli C, Bhatt A, Preminger M, Sichrovsky T, Hernandez J, Rosen D, Mittal S. P5789Correlation of STOP-BANG screening scores with detection and severity of obstructive sleep apnea. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy566.p5789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Jimenez-Candil J, Duran O, Hernandez J, Morinigo JL, Bravo L, Sanchez PL. P1035Antitachycardia pacing for slow VTs: efficacy and safety after a first unsuccessful attempt. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy564.p1035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Jorda P, Vinas D, Regueiro A, Hernandez J, Pinazo MJ, Posada E, Arbelo E, Borras R, Caralt MT, Ortiz JT, Gascon J, Sitges M, Garcia-Alvarez A. P1601Myocardial fibrosis provides a high negative predictive value for malignant arrhythmias in Chagas disease. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.p1601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Frisch MB, Castillo-Ramírez S, Petit RA, Farley MM, Ray SM, Albrecht VS, Limbago BM, Hernandez J, See I, Satola SW, Read TD. Invasive Methicillin-Resistant Staphylococcus aureus USA500 Strains from the U.S. Emerging Infections Program Constitute Three Geographically Distinct Lineages. mSphere 2018; 3:e00571-17. [PMID: 29720528 PMCID: PMC5932375 DOI: 10.1128/msphere.00571-17] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Accepted: 04/09/2018] [Indexed: 01/09/2023] Open
Abstract
USA500 isolates are clonal complex 8 (CC8) Staphylococcus aureus strains closely related to the prominent community- and hospital-associated USA300 group. Despite being relatively understudied, USA500 strains cause a significant burden of disease and are the third most common methicillin-resistant S. aureus (MRSA) strains identified in the U.S. Emerging Infections Program (EIP) invasive S. aureus surveillance. To better understand the genetic relationships of the strains, we sequenced the genomes of 539 USA500 MRSA isolates from sterile site infections collected through the EIP between 2005 and 2013 in the United States. USA500 isolates fell into three major clades principally separated by their distribution across different U.S. regions. Clade C1 strains, found principally in the Northeast, were associated with multiple IS256 insertion elements in their genomes and higher levels of antibiotic resistance. C2 was associated with Southern states, and E1 was associated with Western states. C1 and C2 strains all shared a frameshift in the gene encoding AdsA surface-attached surface protein. We propose that the term "USA500" should be used for CC8 strains sharing a recent common ancestor with the C1, C2, and E1 strains but not in the USA300 group.IMPORTANCE In this work, we have removed some of the confusion surrounding the use of the name "USA500," placed USA500 strains in the context of the CC8 group, and developed a strategy for assignment to subclades based on genome sequence. Our new phylogeny of USA300/USA500 will be a reference point for understanding the genetic adaptations that have allowed multiple highly virulent clonal strains to emerge from within CC8 over the past 50 years.
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Cleveland H, Hernandez J, Ashton D, Chau A, Nagaraj A, Pimpalwar S. 3:36 PM Abstract No. 115 Portal vein recanalizations in pediatric liver transplant patients: single-center experience. J Vasc Interv Radiol 2018. [DOI: 10.1016/j.jvir.2018.01.131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Cross AR, Brown MP, Lewis DD, Hernandez J, Merritt KA, Tran-Son-Tay R, Canapp SO. Examination of synovial fluid and serum following intravenous injections of hyaluronan for the treatment of osteoarthritis in dogs. Vet Comp Orthop Traumatol 2018. [DOI: 10.1055/s-0038-1632949] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
SummaryA randomized, blinded, prospective clinical trial was performed to determine the effects of intravenous (IV) administration of hyaluronan sodium (HA) on serum glycosaminoglycans (GAG) concentrations, synovial fluid (SF) hyaluronan concentrations and viscosity in dogs treated for unilateral rupture of the cranial cruciate ligament. Twenty-two dogs undergoing tibial plateau leveling osteotomy were used in this study. Synovial fluid from both stifles and serum were collected prior to surgery and at 2, 4, and 8 weeks following surgery. Dogs received either 1.0 ml (10 mg) of sodium hyaluronate (treatment group 1; n = 10) or equal volume of 0.9% NaCl (treatment group 2; n = 12), IV immediately, 2 and 4 weeks following surgery. Synovial fluid viscosity was evaluated using a magnetically driven, acoustically tracked, translating-ball rheometer. Synovial fluid HA disaccharide content was measured by fluorophore-assisted carbohydrate electrophoresis. Serum GAG concentrations were measured by alcian blue spectrophotometric assay. Data were analyzed using a Wilcoxon sign rank test (p<0.05). Mean ± SD viscosity (cP) was significantly higher (p=0.011) in SF obtained from the intact stifle (450 ± 604.1) than injured (54.8 ± 60.8) prior to surgery. Mean ± SD HA concentrations (ug/ml) were significantly higher (p=0.02) in synovial fluid obtained from the injured stifles (281.4 ± 145.9) than intact stifles (141.6 ± 132.5). No significant difference was noted within or between treatment groups in SF viscosity, HA concentrations, or serum GAG concentrations at any time following surgery. Stifles with cranial cruciate ligament insufficiency had significant alterations in SF viscosity and HA concentrations.
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Garcia A, Campos I, Marino J, Collado R, Eliosa G, Hernandez J, Velazquez G, Velasco A. P446 Allergic rhinitis: 3 years experience of sensitization in children by skin prick test in Mexico. Ann Allergy Asthma Immunol 2017. [DOI: 10.1016/j.anai.2017.09.042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Hernandez J, Montiel J, Palacio-Perez A, Rodríguez-Valdés A, Guzmán J. Horizontal evolution of intermittent gasliquid flows with highly viscous phases. INTERNATIONAL JOURNAL OF COMPUTATIONAL METHODS AND EXPERIMENTAL MEASUREMENTS 2017. [DOI: 10.2495/cmem-v6-n1-152-161] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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Molins L, Fibla JJ, Izquierdo C, Hernandez J, Sanchez-Lorente D, Montes AG, Sanchez G, Quero F, Cueto A. P-157LUNG CANCER SURGERY IN WOMEN: DIFFERENTIAL CHARACTERISTICS AND POSTOPERATIVE COMPLICATIONS IN A PROSPECTIVE MULTICENTRE STUDY. Interact Cardiovasc Thorac Surg 2017. [DOI: 10.1093/icvts/ivx280.157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Montes AG, Molins L, Garcia-Navarro ÁA, Fibla JJ, Hernandez J, Marrades RM, Ramon I, Sunyer G, Viñolas N. O-057TRAINED DOGS CAN DISCRIMINATE LUNG CANCER IN EXHALED AIR. Interact Cardiovasc Thorac Surg 2017. [DOI: 10.1093/icvts/ivx280.069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Alves-Nores V, Castillo C, Hernandez J, Abuelo A. Comparison of surrogate indices for insulin sensitivity with parameters of the intravenous glucose tolerance test in early lactation dairy cattle. Domest Anim Endocrinol 2017; 61:48-53. [PMID: 28689101 DOI: 10.1016/j.domaniend.2017.06.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Revised: 06/05/2017] [Accepted: 06/07/2017] [Indexed: 11/27/2022]
Abstract
The aim of this study was to investigate the correlation between different surrogate indices and parameters of the intravenous glucose tolerance test (IVGTT) in dairy cows at the start of their lactation. Ten dairy cows underwent IVGTT on Days 3 to 7 after calving. Areas under the curve during the 90 min after infusion, peak and nadir concentrations, elimination rates, and times to reach half-maximal and basal concentrations for glucose, insulin, nonesterified fatty acids, and β-hydroxybutyrate were calculated. Surrogate indices were computed using the average of the IVGTT basal samples, and their correlation with the IVGTT parameters studied through the Spearman's rank test. No statistically significant or strong correlation coefficients (P > 0.05; |ρ| < 0.50) were observed between the insulin sensitivity measures derived from the IVGTT and any of the surrogate indices. Therefore, these results support that the assessment of insulin sensitivity in early lactation cattle cannot rely on the calculation of surrogate indices in just a blood sample, and the more laborious tests (ie, hyperinsulinemic euglycemic clamp test or IVGTT) should be employed to predict the sensitivity of the peripheral tissues to insulin accurately.
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Kalbasi A, Kamrava M, Nelson S, Dry S, Hernandez J, Chmielowski B, Singh A, Federman N, Bukata S, Bernthal N, Steinberg M, Eilber F. 5-Day Hypofractionated Preoperative Radiation Therapy in Soft Tissue Sarcoma: Preliminary Toxicity and Pathologic Outcomes from a Prospective Phase 2 Study. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.2414] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Lee P, Cao M, Lamb J, Thomas D, Mikaeilian A, Kamrava M, Hernandez J, Agazaryan N, Low D, Steinberg M, Kishan A. Phase 1 Study of Stereotactic Body Radiation Therapy for Liver Tumors Utilizing an MRI-Guided Tri-Co Teletherapy System. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Diego V, Luu B, Almeida M, Hofmann M, Hernandez J, Morelli A, Ameri A, Rajalingam R, Powell J, Maraskovsky E, Blangero J, Howard T. P196 Quantizinghla-class-II (HLACII) peptidomic parameters as immunologically-relevantendophenotypes toimproveimmunogenicity risk prediction for protein therapeutics (“Biologics”) using factor(F) VIII inhibitor development in hemophilia a (HA) as a model. Hum Immunol 2017. [DOI: 10.1016/j.humimm.2017.06.256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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