Publications by authors named "Romero L"

A search for charged Higgs bosons produced in vector boson fusion processes and decaying into vector bosons, using proton-proton collisions at at the LHC, is reported. The data sample corresponds to an integrated luminosity of 137 collected with the CMS detector. Events are selected by requiring two or three electrons or muons, moderate missing transverse momentum, and two jets with a large rapidity separation and a large dijet mass.

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Corrosion creates a significant degradation mechanism in reinforced concrete (RC) structures, which would require a high cost of maintenance and repair in affected buildings. However, as the cost of repairing corrosion-damaged structures is high, it is therefore pertinent to develop alternative eco-friendly and sustainable methods. In this study, structural retrofitting of corroded reinforced concrete beams was performed using bamboo fiber laminate.

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Curbs are used as physical markers to delimit roads and to redirect traffic into multiple directions (e.g., islands and roundabouts).

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Objective: During the 2016-2017 Zika virus (ZIKV) outbreak, the prevention of unintended pregnancies was identified as a primary strategy to prevent birth defects. This study estimated the cost-effectiveness of the Zika Contraception Access Network (Z-CAN), an emergency response intervention that provided women in Puerto Rico with access to the full range of reversible contraception at no cost and compared results with a preimplementation hypothetical cost-effectiveness analysis (CEA).

Study Design: We evaluated costs and outcomes of Z-CAN from a health sector perspective compared to no intervention using a decision tree model.

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Purpose: The significance of niacin in embryonic development has clinical implications in the counseling of pregnant women and may be used to inform nutrition recommendations. This study, therefore, aims to review the associations between maternal periconceptional niacin intake and congenital anomalies.

Methods: A systematic search of Ovid MEDLINE, ClinicalTrials.

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This paper presents new sets of parameters ("tunes") for the underlying-event model of the event generator. These parameters control the description of multiple-parton interactions (MPI) and colour reconnection in , and are obtained from a fit to minimum-bias data collected by the CMS experiment at , 7, and . The tunes are based on the NNPDF 3.

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Collinear (small-angle) and large-angle, as well as soft and hard radiations are investigated in three-jet and  + two-jet events collected in proton-proton collisions at the LHC. The normalized production cross sections are measured as a function of the ratio of transverse momenta of two jets and their angular separation. The measurements in the three-jet and  + two-jet events are based on data collected at a center-of-mass energy of 8 , corresponding to an integrated luminosity of 19.

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Results of the Model Unspecific Search in CMS (MUSiC), using proton-proton collision data recorded at the LHC at a centre-of-mass energy of 13 , corresponding to an integrated luminosity of 35.9 , are presented. The MUSiC analysis searches for anomalies that could be signatures of physics beyond the standard model.

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Production cross sections of the Higgs boson are measured in the ( ) decay channel. A data sample of proton-proton collisions at a center-of-mass energy of 13 , collected by the CMS detector at the LHC and corresponding to an integrated luminosity of 137 is used. The signal strength modifier , defined as the ratio of the Higgs boson production rate in the channel to the standard model (SM) expectation, is measured to be at a fixed value of .

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The rate for Higgs ( ) bosons production in association with either one ( ) or two ( ) top quarks is measured in final states containing multiple electrons, muons, or tau leptons decaying to hadrons and a neutrino, using proton-proton collisions recorded at a center-of-mass energy of by the CMS experiment. The analyzed data correspond to an integrated luminosity of 137 . The analysis is aimed at events that contain , , or decays and each of the top quark(s) decays either to lepton+jets or all-jet channels.

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Objectives: The objective of this study was to conduct a scoping review to comprehensively map the breadth of literature related to the rehabilitation of adult patients whilst on extracorporeal membrane oxygenation (ECMO) and identify gaps and areas for future research.

Review Method Used: This review was conducted using recommended frameworks for methods and reporting including the Preferred Reporting Items for Systematic Reviews and Meta-Analyses extension for Scoping Reviews.

Date Sources: We searched seven databases from inception to June 2021 and included all study designs and grey literature.

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The current epidemic proportions of infections caused by Staphylococcus aureus strains and especially by methicillin-resistant S. aureus (MRSA) are one of today's many threats to global public health, particularly in underdeveloped countries where significant gaps on the subject exist. The rapid spread and diversification of pandemic clones that exhibit remarkably increasing virulence and antimicrobial resistance pose a risk to the effective prevention and treatment of a wide range of infections.

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Background: Acute lower limb ischemia (ALI) is a limb and life-threatening condition whose treatment largely depends on the underlying cause. The clinical distinction between the main causes may have changed over the years because of changes in the epidemiology of this syndrome. The objective of this study was to determine the clinical pattern associated with the main causes of ALI in a contemporary series of cases.

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Objective: During the coronavirus disease 2019 (COVID-19) pandemic, federally qualified health centers rapidly mobilized to provide SARS-CoV-2 testing, COVID-19 care, and vaccination to populations at increased risk for COVID-19 morbidity and mortality. We describe the development of a reusable public health data analytics system for reuse of clinical data to evaluate the health burden, disparities, and impact of COVID-19 on populations served by health centers.

Materials And Methods: The Multistate Data Strategy engaged project partners to assess public health readiness and COVID-19 data challenges.

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Background: Previous assessment of statewide policies on long-acting reversible contraception (LARC) indicate that an increasing number of states are implementing policies specifically for provision immediately postpartum, supported by current clinical guidelines. Less is known about how state policies describe payment methodologies for the insertion procedure and device costs.

Methods: We conducted a systematic, web-based review of publicly available statewide policy language on immediate postpartum LARC among all 50 states.

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The first measurement of the dependence of γγ→μ^{+}μ^{-} production on the multiplicity of neutrons emitted very close to the beam direction in ultraperipheral heavy ion collisions is reported. Data for lead-lead interactions at sqrt[s_{NN}]=5.02  TeV, with an integrated luminosity of approximately 1.

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The CMS experiment at the LHC has measured the differential cross sections of Z bosons decaying to pairs of leptons, as functions of transverse momentum and rapidity, in lead-lead collisions at a nucleon-nucleon center-of-mass energy of 5.02  TeV. The measured Z boson elliptic azimuthal anisotropy coefficient is compatible with zero, showing that Z bosons do not experience significant final-state interactions in the medium produced in the collision.

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During October 2016 through May 2018, a learning community was convened to focus on policies and programs to increase access to the full range of contraceptive options for women of reproductive age. The Increasing Access to Contraception (IAC) Learning Community included 27 jurisdictions, with teams from each jurisdiction consisting of state health department leaders, program staff, and provider champions. At the kick-off meeting, teams from each jurisdiction created action plans that outlined their goals.

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Background: Back and lower limb pain have a major impact on physical function and quality of life. While obesity is a modifiable risk factor for musculoskeletal pain, the role of adiposity is less clear. This systematic review aimed to examine the relationship between both adiposity and its distribution and back and lower limb pain.

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Economic evaluation is crucial for cost-effective resource allocation to improve child nutrition in low and middle-income countries (LMICs). However, the quality of published economic evaluations in these settings is not well understood. This systematic review aimed to assess the quality of existing economic evaluations of child nutrition interventions in LMICs and synthesize the study characteristics and economic evidence.

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Article Synopsis
  • - The study investigates how certain plasma microRNAs (miRNAs) relate to the rate of cognitive decline in patients with mild Alzheimer's disease (AD), focusing specifically on the link between synaptic deficits and cognitive impairment.
  • - Researchers analyzed 754 plasma miRNAs in 19 women with mild AD and divided them based on their cognitive decline as measured by the MMSE score over two years.
  • - They found that miR-342-5p was linked to faster cognitive decline, with lower levels of this miRNA in patients who experienced more significant cognitive impairment after two years.
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Objective: To determine the nursing workload in intensive care units (ICUs) and the factors associated with the Nursing Activities Score (NAS).

Method: An analytical cross-sectional study was carried out in three ICUs in Bucaramanga, Colombia, between February 2018 and February 2020. The nursing workload was estimated based on the NAS.

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Panama and all nations within the Mesoamerican region have committed to eliminate malaria within this decade. With more than 90% of the malaria cases in this region caused by , an efficient national/regional elimination plan must include a comprehensive study of this parasite's genetic diversity. Here, we retrospectively analyzed genetic diversity in autochthonous and imported field isolates collected in different endemic regions in Panama from 2007 to 2020, using highly polymorphic markers (, -1, and -3α).

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Background: Intraoperative ultrasound (IUS) localization for breast cancer is a noninvasive localization technique. In 2015, an IUS program for breast-conserving surgery (BCS) was initiated in a large, integrated health care system. This study evaluated the clinical results of IUS implementation.

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Article Synopsis
  • Antibody responses are crucial for defending against SARS-CoV-2 by stopping the virus from entering cells, and a new assay called 2D-MBBA has been developed to measure various antibody isotypes simultaneously.
  • This assay was used to analyze IgG, IgM, and IgA levels against the spike protein and its variants, and machine learning significantly improved predictions of how well these antibodies neutralize the virus in convalescent patients.
  • The method can differentiate between antibody profiles in convalescent and vaccinated individuals and offers the potential for rapid testing of neutralization efficacy against new variants and pathogens using just a small blood sample.
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