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Actividad antiinflamatoria in vitro de Plantago major L. y Piper aduncum L. sobre la fosfolipasa A2 del veneno de la serpiente Lachesis muta muta 车前草和胡椒对蛇毒磷脂酶A2的体外抗炎活性
Q3 Medicine Pub Date : 2023-09-26 DOI: 10.17843/rpmesp.2023.403.12191
Mirtha Yarleque-Chocas, Flor Dorregaray-Llerena, Armando Yarleque-Chocas, Celso Gonzales-Chavesta
Objetivo. Evaluar la actividad inhibitoria in vitro de los extractos de Plantago major «llantén» y Piper aduncum«matico» sobre Fosfolipasa A2 (PLA2) del veneno de la serpiente Lachesis muta muta. Materiales y métodos. Estainvestigación fue de tipo explicativa con diseño experimental. Se recolectaron hojas de P. major y P. aduncum en la provincia de Huarochirí en Lima, Perú. Se prepararon extractos alcohólicos diluidos en agua destilada y se realizaron los ensayos fitoquímicos, la cuantificación de fenoles y flavonoides, la cromatografía de capa fina (CCF) en celulosa y la actividad enzimática con PLA2. Se analizó la capacidad de inhibir la PLA2 con los extractos en estudio y sus fracciones. Para el análisis estadístico se utilizó la prueba de Kruskal Wallis y comparaciones múltiples de Bonferroni. Resultados. Tanto en P. major como en P. aduncum se identificó cualitativamente la presencia de fenoles, flavonoides y taninos; además, P. aduncum presentó saponinas. La inhibición de la actividad de la PLA2 del veneno por el extracto total de P. major fue del 45,3%, y sus fracciones mostraron valores de inhibición: LLF-1 con 31,1%, LLF-2 con 66,3% y LLF-3 con 65,5%. En P. aduncum, los valores de inhibición para el extracto total fueron de 86,9%, y sus fracciones presentaron inhibiciones: MF-1 con 34,3%, MF-2 con 67,1% y MF-3 con 54,9%. El análisis estadístico demostró diferencias significativas en la inhibición de la PLA2 (p=0,009) por los extractos. Conclusión. Los ensayos realizados demostraron una asociación entre el efecto antiinflamatorio de los extractos y la inhibición de la PLA2.
目标。研究车前草(Plantago major ' llanten ')和胡椒(Piper aduncum ' matico ')提取物对蛇毒磷脂酶A2 (PLA2)的体外抑制活性。材料和方法。这项研究是解释性的,采用了实验设计。在秘鲁利马的huarochiri省收集了P. major和P. aduncum的叶子。本研究的目的是评估在墨西哥恰加斯病(恰加斯病)和墨西哥恰加斯病(恰加斯病)中发现的两种植物的酶活性,这两种植物在墨西哥恰加斯病(恰加斯病)和墨西哥恰加斯病(恰加斯病)中发现的两种植物的酶活性。在本研究中,我们分析了对PLA2的抑制作用。本研究的目的是评估一项随机对照试验,该试验评估了一项随机对照试验,该试验的目的是评估一项随机对照试验的有效性。结果。对大叶蝉和苦叶蝉的酚类、黄酮类和单宁含量进行了定性鉴定;此外,aduncum还含有皂苷。大鼠总提取物对毒液PLA2活性的抑制率为45.3%,LLF-1为31.1%,LLF-2为66.3%,LLF-3为65.5%。对aduncum总提取物的抑制值为86.9%,其各组分的抑制值分别为MF-1 34.3%、MF-2 67.1%和MF-3 54.9%。结果表明,提取物对PLA2的抑制作用有显著差异(p= 0.009)。结论。这些试验表明,提取物的抗炎作用与PLA2抑制之间存在关联。
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引用次数: 0
Emergencia sanitaria por dengue en el Perú: necesidad de una asignación presupuestal acorde a la situación epidemiológica 秘鲁登革热卫生紧急情况:需要根据流行病学情况分配预算
Q3 Medicine Pub Date : 2023-09-26 DOI: 10.17843/rpmesp.2023.403.13117
Nilthon Pisfil-Benites, Stalin Vilcarromero, Diego Azañedo
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引用次数: 0
Development and validation of a vero cell-based suspension method for the detection of Zika virus 开发和验证一种基于vero细胞的悬浮检测寨卡病毒的方法
Q3 Medicine Pub Date : 2023-09-26 DOI: 10.17843/rpmesp.2023.403.12606
Dina Popuche, Alfredo Huaman, Steev Loyola, María Silva, Sarah A. Jenkins, Carolina Guevara
Objective. To develop and validate a cell suspension method using Vero 76 cells for culturing Zika virus (ZIKV) based on infection of detached freshly seeded cells. Material and methods. Three different multiplicities of ZIKV infection were used to develop and compare this novel method to the standard confluent cell monolayer method. In addition, we preliminary validated the cell suspension method using well-characterized ZIKV positive and negative clinical samples. The standard confluent cell monolayermethod was used as the reference method, and viral isolation was confirmed by a ZIKV-specific RT-PCR. We estimated the sensitivity, and its 95% confidence intervals, for the cell suspension method. Also, a technical comparison of the cell suspension method against the cell monolayer method was performed. Results. Our findings suggest that both the viral load and replication of ZIKV were comparable between both monolayer- and suspension-infection methods. Although both methods were suitable for culturing and isolating ZIKV, the cell suspension method was easier, cheaper, and quicker as well as a sensitive isolation technique. The cell suspension method was significantly more sensitive in detecting Zika in inconclusive cases by RT-PCR, with a fourfold increase compared to the confluent cell monolayer method. Conclusion. The cell suspension method has the potential to be an effective method for cultivating and isolating ZIKV and its application is potentially useful in both research and clinical settings.
目标。基于分离的新鲜种子细胞感染,开发并验证使用Vero 76细胞培养寨卡病毒(ZIKV)的细胞悬浮方法。材料和方法。利用三种不同的ZIKV感染多重度,建立了这种新方法,并将其与标准的融合细胞单层方法进行了比较。此外,我们还利用具有良好特征的寨卡病毒阳性和阴性临床样本对细胞悬浮法进行了初步验证。以标准的融合细胞单层法为参比法,采用寨卡病毒特异性RT-PCR验证病毒分离。我们估计了细胞悬液法的灵敏度及其95%置信区间。同时,对细胞悬浮法和细胞单层法进行了技术比较。结果。我们的研究结果表明,寨卡病毒的病毒载量和复制在单层感染和悬浮液感染两种方法中都是相似的。虽然这两种方法都适用于ZIKV的培养和分离,但细胞悬浮法更容易、更便宜、更快,而且是一种灵敏的分离技术。细胞悬液法在RT-PCR检测非结论性病例寨卡病毒时灵敏度显著提高,比融合细胞单层法提高了4倍。结论。细胞悬浮法有可能成为培养和分离寨卡病毒的有效方法,其应用在研究和临床环境中都有潜在的用途。
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引用次数: 0
Evaluación del neurodesarrollo en niños con exposición intrauterina al virus del Zika: estudio observacional transversal 宫内寨卡病毒暴露儿童神经发育的评估:横断面观察研究
Q3 Medicine Pub Date : 2023-09-26 DOI: 10.17843/rpmesp.2023.403.12880
Victor H. Estupiñan-Perez, Angela M. Jiménez-Urrego, Freiser E. Cruz-Mosquera, Alejandro Botero-Carvajal
El virus del Zika produce desenlaces adversos para el desarrollo del sistema nervioso. Este estudio describe el neurodesarrollo cognitivo, adaptativo, comunicativo, social y motor de niños expuestos intrauterinamente al virus del Zika y hace una evaluación del neurodesarrollo con la escala de Battelle a los tres años después del nacimiento. Participaron 30 niños con una media de edad al momento de la evaluación de 37,5 (RIC: 35,7–39,2) meses. Se halló una edad equivalente en meses en las áreas: motora 25,8 (DE:7,8), adaptativa 26,7 (DE: 5,8), comunicativa 30,2 (DE: 6,9), personal social 33,5 (DE: 8,3) y cognitiva 35,6 (DE: 5,9). Los niños presentaron retraso en el desarrollo para la edad cronológica, 25 niños presentaban retraso en una de las cinco áreas evaluadas. Una alta proporción de niños expuestos al virus del Zika durante la gestación presentaron retraso en el desarrollo, principalmente en el dominio adaptativo y motor.
寨卡病毒会对神经系统的发育产生不良影响。本研究描述了宫内接触寨卡病毒儿童的认知、适应、交际、社交和运动神经发育,并在出生后3年使用巴特尔量表对神经发育进行评估。研究对象为30名儿童,评估时平均年龄为37.5个月(RIC: 35.7 - 39.2)。在以下领域发现了相同的月年龄:运动25.8(从:7.8),适应26.7(从:5.8),交际30.2(从:6.9),社会人员33.5(从:8.3)和认知35.6(从:5.9)。儿童在实际年龄出现发育迟缓,25名儿童在五个评估区域中的一个出现发育迟缓。在怀孕期间接触寨卡病毒的儿童中,有很大比例表现出发育迟缓,主要是在适应和运动领域。
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引用次数: 0
Cambios en el control glucémico antes y después de la cuarentena por la COVID-19 COVID-19隔离前后血糖控制的变化
Q3 Medicine Pub Date : 2023-09-25 DOI: 10.17843/rpmesp.2023.403.12830
Javier R. Murillo-Valle, Juan L. Meza-Ponte
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引用次数: 0
Experiencias de usuarios y familiares sobre la atención recibida en centros de salud mental comunitaria de Lima y Callao durante la pandemia de la COVID-19 用户和家庭在COVID-19大流行期间在利马和卡亚奥社区精神卫生中心接受护理的经验
Q3 Medicine Pub Date : 2023-09-25 DOI: 10.17843/rpmesp.2023.403.12717
Noelia Cusihuaman-Lope, Ana L. Vilela-Estrada, Victoria Cavero, David Villarreal-Zegarra, Francisco Diez-Canseco
Objetivos. Comprender las experiencias de usuarios nuevos y continuadores de los Centros de Salud Mental Comunitaria (CSMC) de Lima y Callao, y de sus familiares, en relación a la atención en salud mental que recibieron durante la pandemia de la COVID-19. Materiales y métodos. Estudio cualitativo realizado entre septiembre del 2021 y febrero del 2022, en el que se entrevistó a 24 usuarios y familiares que interactuaron con los servicios brindados por tres CSMC de Lima y uno del Callao, durante la pandemia de la COVID-19. Se realizó un análisis temático de las entrevistas transcritas. Resultados. Los informantes percibieron que la pandemia exacerbó los síntomas de las personas con problemas de salud mental. Durante la pandemia, las atenciones de salud mental se apoyaron en el uso de tecnología, principalmente de llamadas telefónicas, las que sirvieron para monitorear el estado emocional y el tratamiento farmacológico de los usuarios, así como para programar y recordar citas. Los usuarios destacan que las llamadas telefónicas frecuentes les hicieron sentirse acompañados y resaltan el compromiso de los trabajadores de los CSMC. Como dificultades, reportan el incremento en la demanda de atención, problemas para acceder a videollamadas, y menor calidad en las atenciones virtuales. Conclusiones. La COVID-19 impactó emocionalmente a las personas con problemas de salud mental, a su vez, los servicios de los CSMC vieron afectada la modalidad (presencial o virtual), recursos, frecuencia, tiempo y calidad de la atención, encontrando limitaciones y beneficios en el uso de la tecnología.
目标。了解利马和卡亚奥社区精神卫生中心(CSMC)的新用户和继续用户及其亲属在COVID-19大流行期间接受的精神卫生保健方面的经验。材料和方法。在2021年9月至2022年2月期间进行的定性研究中,我们采访了24名用户和家庭成员,他们在COVID-19大流行期间与利马的3名CSMC和卡亚奥的1名CSMC提供的服务进行了互动。对转录的访谈进行了专题分析。结果。报告人员认为,大流行加剧了有心理健康问题的人的症状。在大流行期间,心理健康护理依赖于技术的使用,主要是电话,用于监测使用者的情绪状态和药物治疗,以及安排和回忆预约。用户指出,频繁的电话让他们感到被陪伴,并强调了CSMC员工的承诺。由于困难,他们报告了护理需求的增加、视频通话的问题和虚拟护理质量的降低。结论。COVID-19在情感上影响了有心理健康问题的人,反过来,CSMC的服务也受到了方式(面对面或虚拟)、资源、频率、时间和护理质量的影响,发现了技术使用的局限性和好处。
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引用次数: 0
Primera descripción de infección por el subcomplejo Acinetobacter pittii / lactucae en el Perú 秘鲁皮提不动杆菌/乳杆菌亚复合物感染的首次描述
Q3 Medicine Pub Date : 2023-09-25 DOI: 10.17843/rpmesp.2023.403.12721
Carla Andrea Alonso, Jorge Choque-Matos, Fernando Guibert, Beatriz Rojo-Bezares, María López, Rocio Egoávil-Espejo, Patricia Gonzales, Carmen Valera-Krumdieck, Maria J. Pons, Yolanda Saénz, Joaquim Ruiz
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引用次数: 0
Réplica a la Carta al Editor "Consideraciones sobre la rinitis alérgica asociada al grado de compromiso pulmonar por COVID-19 en pacientes de un hospital general peruano" 对《秘鲁综合医院患者与COVID-19肺累及程度相关的变应性鼻炎的考虑》致编辑信的答复
Q3 Medicine Pub Date : 2023-06-30 DOI: 10.17843/rpmesp.2023.402.12959
Bianca García-Gallo, Giancarlo Gonzales-Caldas, Diego Urrunaga-Pastor, Percy Herrera-Añazco
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引用次数: 0
Development and validation of a COVID-19 risk perception scale in Peru. 秘鲁新冠病毒风险感知量表的开发和验证
Q3 Medicine Pub Date : 2023-04-01 DOI: 10.17843/rpmesp.2023.402.12289
Jhon Alex Zeladita-Huaman, Eduardo Franco-Chalco, Roberto Zegarra-Chapoñan, Ruth Iguiñiz-Romero, Isabel Amemiya-Hoshi

Objectives.: Motivation for the study. Risk perception of COVID-19 is a construct that varies according to the characteristics of the population in each geographic area; however, there is no validated scale to measure this construct in the Peruvian population. Main findings. A COVID-19 risk perception scale composed of two dimensions (cognitive and emotional) was designed and validated using qualitative and quantitative techniques. Implications. Having a valid and reliable instrument will help identify the variation of risk perception of COVID-19 according to contextual and psychological factors in the Peruvian population. . To develop and validate a risk perception scale for COVID-19 (PR-COVID-19-PE) in the Peruvian population.

Materials and methods.: Psychometric cross-sectional study conducted in 2022. In phase 1, in order to design the scale, we carried out a theoretical review and a documentary review of scales, we also used focus groups as well as an expert panel. Phase 2 included expert judgment and a pilot test. A virtual survey was conducted among 678 Peruvian adults during phase 3. A confirmatory factor analysis was carried out as well. We used a correlational analysis (Pearson's r) with a valid risk perception scale and the COVID-19 fear scale to determine criterion validity.

Results.: The PR-COVID-19-PE has two dimensions (cognitive and emotional) and showed good fit during construct validity (x2/gl=2.34, Comparative Fit Index=0.96, Tucker-Lewis Index=0.96, Root Mean Square Error of Approximation= 0.05 and Standardized Root Mean-Square=0.07) and optimal internal consistency (ώ=0.88). Likewise, the PR-COVID-19-PE showed correlation with another COVID-19 risk perception scale (r=0.70, p< 0.001) and a fear of COVID-19 scale (r=0.41, p<0.001). In addition, it presents metric and scalar invariance by both sex and educational level.

Conclusions.: The PR-COVID-19-PE scale showed adequate reliability and content, construct and criterion validity. It is an instrument that can measure COVID-19 risk perception in similar populations. However, further studies are required for different populations.

目标。制定并验证秘鲁人口COVID-19风险感知量表(PR-COVID-19-PE)。材料和方法。心理测量横断面研究,于2022年进行。在第一阶段,通过理论回顾、焦点小组、专家小组和文献回顾量表设计初始量表。在第二阶段,通过专家判断和试点测试确定量表。在第三阶段,对678名秘鲁成年居民进行了虚拟调查。进行了验证性因素分析。为确定标准效度,采用有效的风险感知量表和COVID-19恐惧量表进行相关分析(Pearson r)。结果。pr - covid19 - pe由认知和情绪两个维度组成,具有良好的结构效度拟合(x2/gl= 2.34,比较拟合指数= 0.96,Tucker-Lewis指数= 0.96,近似根均方误差= 0.05,标准根均方误差= 0.07)和最佳的内部一致性(ώ= 0.88)。此外,报告与COVID-19风险感知量表(r= 0.70, p< 0.001)和COVID-19恐惧量表(r= 0.41, p< 0.001)相关。此外,它在性别和教育水平上都具有度量和标量不变性。结论。pr - covid19 - pe量表在内容、结构和标准方面具有足够的信度和效度。它是衡量类似人群对COVID-19风险感知的工具。然而,在不同的人群中还需要进一步的研究。
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引用次数: 0
Samples in randomized clinical trials with interim analysis. 样本在随机临床试验与临时分析
Q3 Medicine Pub Date : 2023-04-01 DOI: 10.17843/rpmesp.2023.402.12217
Michelle Saaibi Meléndez, Felipe Botero-Rodríguez, Carlos Javier Rincón Rodríguez

Objectives.: This article introduces randomized clinical trials and basic concepts of statistical inference. We present methods for calculating the sample size by outcome type and the hypothesis to be tested, together with the code in the R programming language. We describe four methods for adjusting the original sample size for interim analyses. We sought to introduce these topics in a simple and concrete way, considering the mathematical expressions that support the results and their implementation in available statistical programs; therefore, bringing health students closer to statistics and the use of statistical programs, which are aspects that are rarely considered during their training.

本文介绍了随机临床试验和统计推理的基本概念。它介绍了如何根据结果类型和要测试的假设计算样本量,以及R编程语言的代码来执行它的应用程序。本文提出了在计划中期分析时调整原始样本量的四种方法。本文以一种简单而具体的方式,考虑到支持结果的数学表达式及其在现有统计程序中的实现,试图对这些主题进行介绍。为了使卫生领域的学生更接近统计学和统计程序的使用,这些方面在他们的培训中很少被考虑。
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引用次数: 0
期刊
Revista Peruana de Medicina de Experimental y Salud Publica
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