Raúl Montalvo

ORCID: 0000-0003-0227-8850
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About
Contact & Profiles
Research Areas
  • Parasitic infections in humans and animals
  • Parasitic Infections and Diagnostics
  • Congenital Anomalies and Fetal Surgery
  • Tuberculosis Research and Epidemiology
  • Health and Medical Education
  • Mycobacterium research and diagnosis
  • COVID-19 Clinical Research Studies
  • Peripheral Neuropathies and Disorders
  • Stress and Burnout Research
  • Business, Innovation, and Economy
  • Infectious Diseases and Tuberculosis
  • HIV/AIDS Research and Interventions
  • HIV/AIDS oral health manifestations
  • Public Health and Environmental Issues
  • Supply Chain Resilience and Risk Management
  • Child and Adolescent Health
  • Pneumocystis jirovecii pneumonia detection and treatment
  • HIV-related health complications and treatments
  • Antifungal resistance and susceptibility
  • Fungal Infections and Studies
  • Health and Lifestyle Studies
  • Antimicrobial Resistance in Staphylococcus
  • Educational Outcomes and Influences
  • Heavy metals in environment
  • Viral Infections and Vectors

Universidad Nacional del Centro del Perú
2018-2024

Hospital Rio Carrion
2024

Universidad César Vallejo
2020-2023

Daniel Alcides Carrión National University
2015-2022

Tecnológico de Monterrey
2010-2022

Autoliv (Sweden)
2022

Instituto Nacional de Neurología y Neurocirugía
2022

Antenor Orrego Private University
2020

ORCID
2020

Universidad Continental
2017-2018

Water pollution by heavy metals is one of the leading environmental concerns as a result intense anthropogenic pressure on aquatic environment. This constitutes significant limitation to human right access drinking water. In this context, risk humans from exposure and arsenic in water rivers subject mining influence Central Andes Peru was assessed. samples were collected seven at 63 sampling sites, concentrations Cu, Fe, Pb, Zn, As determined using flame atomic absorption spectrophotometry....

10.3390/w12071946 article EN Water 2020-07-09

Not only was Digital Transformation (DT) accelerated by the COVID-19 pandemic, but over recent years some companies have already developed actions related to DT. It is well known that DT has many benefits, such as improving business models, making communication channels more efficient and facilitating decision-making. Furthermore, amongst others, one big challenge of contribute areas sustainability. The objective this article offer an exploratory review how a small sample leading Mexican...

10.3390/su142215436 article EN Sustainability 2022-11-21

The concentration of Cu, Fe, Pb, Zn and As in the surface water intended for human consumption other uses Mantaro River basin were analysed using multivariate methods. samples collected from seven bodies Junín region June 2019, low discharge period. In each body water, a sector with six sampling sites was established. contents determined by flame atomic absorption spectrophotometry method. correlation analysis revealed positive significant correlations (P < 0.05) Zn/Pb, Pb/Fe Zn/Fe pairs...

10.17221/152/2019-swr article EN Soil and Water Research 2020-04-16

Risk mitigation in global supply chains has grown importance recent years, tandem with globalization and both the commercial security threats faced by firms large small. This study hypothesizes that a firm’s ability to manage risk strategy— therefore support its competitiveness—is determined symbiotic triad of factors: resources it utilizes; network systems; performance criteria employs. The study, comprising 24 in-depth interviews electronics IT firms, examines resource utilization through...

10.46631/jefas.2010.v15n28.05 article EN cc-by Cuadernos de difusión 2010-06-30

Se reporta el caso de un recién nacido varón, producto embarazo 36 semanas, con diagnóstico neumonía congénita y examen confirmatorio infección por virus la influenza A (H1N1), sin ningún otro tipo contacto sospechoso. La madre ingresó al hospital insuficiencia respiratoria antecedente proceso gripal cinco días evolución, durante los primeros pandemia en Perú. Por evolución grave del respiratorio, se le administró ventilación mecánica para luego ser sometida a cesárea sufrimiento fetal agudo...

10.1590/s1726-46342010000300022 article ES cc-by-nc Revista Peruana de Medicina Experimental y Salud Pública 2010-09-01

Se describe el caso de un varón 47 años, con tiempo enfermedad dos días, caracterizado por pérdida fuerza progresiva, simétrica y ascendente miembros inferiores, se realizó punción lumbar luego la tomografía cerebral electromiografía lo cual evidenció polirradiculopatía motora pura patrón axonal, compatible síndrome Guillain Barré. Posteriormente, recibió cuatro sesiones plasmaféresis, mejoría clínica significativa desde segunda sesión. Debido al antecedente epidemiológico solicitó set para...

10.1590/s1726-46342010000200020 article ES cc-by-nc Revista Peruana de Medicina Experimental y Salud Pública 2010-06-01

En el presente estudio describimos y caracterizamos la distribución geográfica de los casos positivos confirmados a HTLV-1 2 pacientes peruanos con diagnóstico presuntivo entre 2019 2021. De un total 555 muestras positivas confirmadas, 546 (98,4%) fueron 9 (1,6%) HTLV-2. Además, 22 24 departamentos del Perú presentaron HTLV-1, siendo principales motivos solicitud confirmación diagnóstica: aspirante donar sangre prueba tamizaje reactivo, sospecha leucemia/linfoma paraparesia espástica...

10.4067/s0716-10182023000200193 article ES Revista chilena de infectología 2023-04-01

The objective of the present study was to calculate economic loss caused by treatment human hydatidosis. For this purpose, a cost analysis cases reported in Junin region Peru 2013 conducted. total (direct and indirect) per patient assisted Ministry Health (Ministerio de Salud-Minsa), social security system (EsSalud), private health care 1,220, 3,051, 4,090 US dollars (USD), respectively. mean annual considering number services for uncomplicated hydatidosis USD 24,542 Minsa, 369,292 EsSalud,...

10.17843/rpmesp.2017.343.2521 article ES cc-by-nc Revista Peruana de Medicina Experimental y Salud Pública 2017-10-09

El objetivo del estudio fue determinar la coproprevalencia de Equinococcus granulosus en canes distrito rural San José Queros, ubicado provincia Concepción, región Junín, el centro Perú. observacional tipo transversal, y se llevó a cabo 2015 los tres anexos distrito. Se recolectaron muestras heces 152 mismo número hogares seleccionados al azar procesaron mediante técnica ELISA específica Echinococcus granulosus. 50% (Usibamba 61.0%, Chaquicocha 51.0% Quero 41.9%) fueron positivas parásito....

10.15381/rivep.v29i1.14189 article ES Revista de Investigaciones Veterinarias del Perú 2018-03-14

The changes in body composition markers (weight, fat mass, lean and BMI) over time can be associated with TB treatment outcome among HIV-infected patients. aim of this study was to investigate whether mass were the response patients HIV infection pulmonary tuberculosis.This a prospective cohort study. Data from commencing therapy analyzed. This included weight measurement using bioimpedance equipment at baseline, one month, two months after starting treatment.The conducted 125 patients, 17...

10.21010/ajid.v12i2.8 article EN African Journal of Infectious Diseases 2018-06-18

Hydatidosis is a zoonotic infection that can invade many organs in the human being. Nevertheless, subcutaneous tissue less affected organ by this disease. When disease appears, little symptomatology observed, which causes prolonged periods of associated to delayed diagnosis and poor answer antiparasitic therapy. The central mountain range Peru geographical zone with greatest prevalence, presumably due inadequate measures environmental sanitation, lack education almost non-existent control...

10.17843/rpmesp.2018.354.3767 article EN cc-by-nc Revista Peruana de Medicina Experimental y Salud Pública 2018-12-21

The Cystoisospora belli, before denominated as Isospora is the etiologic agent of cystoisosoporiasis, an opportunistic infection affecting immunocompromised patients, characterized by chronic diarrhea and weight loss. incidence for this agent, in HIV has decreased considerably. This thanks to advent highly active antiretroviral therapy (HAART), which improved patient's immune response decrease viral load. We present six cases cystoisosoporiasis recurrent refractory treatment who was being...

10.17843/rpmesp.2013.302.213 article EN cc-by-nc Revista Peruana de Medicina Experimental y Salud Pública 2014-02-10

The association of paracoccidioidomycosis (PCM) and tuberculosis (TB) produces an uncommon hyperinflammatory syndrome, causing multiorgan dysfunction. TB associated PCM is a rare condition, but it fatal if not treated. Herein, we present immunocompetent child who admitted for fever painful lymphadenopathy, with evidence acid-alcohol-resistant bacillus (AARB) in cervical lymph node biopsy, antituberculous treatment was started partial clinical improvement given discharge from hospital. At 3...

10.1016/j.idcr.2022.e01507 article EN cc-by-nc-nd IDCases 2022-01-01

Carbapenemases are one of the major mechanisms antimicrobial resistance, usually due to indiscriminate use antibiotics. The expansion this mechanism resistance at world level is imminent and control measures limited. In region Central Sierra Peru - Huancayo, we report a case carbapenemase-producing Klebsiella pneumoniae, with purpose discussing problems related emerging antibiotic resistance.Las carbapenemasas son uno de los mecanismos enzimáticos resistencia antimicrobiana, que compromete...

10.5867/medwave.2018.02.7191 article ES cc-by-nc Medwave 2018-04-13

Introduction: The prevalence of cardiovascular risk factors such as overweight, dyslipidemia, hypertension (HTN) and diabetes mellitus (DM2) has increased in recent decades, so there are multiple programs to reduce this prevalence. Objective: To evaluate the early effect a program aimed at reducing secondary education teachers. Methods: An intervention study was carried out based on application physical exercises nutritional workshops once week for three consecutive months. General data were...

10.25176/rfmh.v24i4.6537 article EN cc-by Revista de la Facultad de Medicina Humana 2024-10-31

Introduction: The prevalence of cardiovascular risk factors such as overweight, dyslipidemia, hypertension (HTN) and diabetes mellitus (DM2) has increased in recent decades, so there are multiple programs to reduce this prevalence. Objective: To evaluate the early effect a program aimed at reducing secondary education teachers. Methods: An intervention study was carried out based on application physical exercises nutritional workshops once week for three consecutive months. General data were...

10.25176/rfmh.v24i4.6983 article EN cc-by Revista de la Facultad de Medicina Humana 2024-10-31

Contamination of drinking water by Helicobacter pylori can cause serious diseases, including cancer. The determinants the infection rate are socioeconomic status, low standard living and overcrowding. In addition, exposure to environmental sources contaminated with feces, such as vegetables, is another risk factor for infection. We analyzed occurrence H. in antimicrobial resistance profile central Peru. Water samples were collected from taps four provinces Junín region. Previously, biofilm...

10.1016/j.heliyon.2024.e41533 article EN cc-by-nc Heliyon 2024-12-27

Se considera que el incremento del grosor de la íntima y media arteria carótida común (GIMA) puede ser un indicador temprano enfermedad cardiovascular, incluso en pacientes asintomáticos, lo constituirlo una herramienta identificación potenciales puntos intervención temprana. Este estudio tuvo como objetivo identificar los factores asociados al GIMA asintomáticos atendidos Hospital Regional Docente Clínico Quirúrgico Daniel Alcides Carrión Huancayo, desde julio 2022 a junio 2023. realizó...

10.35663/amp.2024.413.2795 article ES cc-by ACTA MEDICA PERUANA 2024-12-30

Introducción. Se estima que el tratamiento para la tuberculosis multidrogorresistente (TB-MDR) fracasa en 46% de los pacientes, situación representa una crisis salud pública. En Perú, 6 personas se enferman (TB) cada hora y 27 000 casos notificados enfermedad activa por año, 10% corresponde a TB-MDR.Objetivo. Determinar distribución geográfica TB-MDR factores riesgo esta región Junín, ubicada centro Perú. Materiales métodos. Estudio longitudinal retrospectivo controles incluyó 3 602 con...

10.15446/revfacmed.v68n2.71715 article ES cc-by Revista de la Facultad de Medicina 2020-04-01

Oesophageal involvement due to tuberculosis (TB) and coinfection with HTLV-1 is rare can be complicated by the presence of other infections that affect mucosa upper respiratory tract, such as COVID-19. We present case a 27-year-old male patient, 3 months illness, weight loss, dysphagia, ulcers in oral cavity. Tomography showed oesophageal perforation after ulcer biopsy, TB was diagnosed, addition infection severe acute syndrome coronavirus 2 (SARS-COV-2). The patient responded satisfactorily...

10.24321/0019.5138.202312 article EN cc-by-nc JOURNAL OF COMMUNICABLE DISEASES 2023-05-04

Background The shortage of mechanical ventilators during the COVID-19 pandemic led doctors to use alternative noninvasive ventilation systems, including a modified snorkel mask. Data on mask is limited. Purpose study aims describe effect and clinical characteristics patients with treated investigate factors associated failure Methods In this retrospective observational study, adult who were at Daniel Alcides Carrion Hospital Huancayo-Perú selected. Results Of 390 included, 158 (20.5%)...

10.29390/001c.83254 article EN cc-by-nc Canadian Journal of Respiratory Therapy 2023-07-17
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