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Background: Access to essential diagnostics is crucial for primary healthcare (PHC) in low-and-middle income countries (LMICs). Many LMICs have invested in equipping PHC with point-of-care (PoC) diagnostics for infectious diseases, however there has been no similar investment to improve PHC capacities for clinical chemistry. The biochemistry gap is among the deterrents to universal health coverage. Methods: A social sciences project was conducted with the aim to understand the key PHC stakeholders' insights on the pertinence of PoC biochemistry for PHC in LMICs. Data generation was conducted between July-November 2023 in Mongolia, Nigeria and Peru. Decision-makers in healthcare delivery, healthcare professionals, and patient and community advocates were engaged using a combination of sampling techniques. Unstructured individual and group conversations, and non-participant observation were conducted. Analysis involved an inductive line-by-line coding on printed transcripts, followed by a deductive coding and theme-by-theme analysis on digitized transcripts. Results: Fifteen, 51 and 20 informants from Mongolia, Nigeria and Peru, respectively, participated. Fifty-five of the 94 informants were female. Most informants considered that PoC biochemistry in PHC would be pertinent, from a clinical and a resources-saving perspective. Those households that currently bear the burden of referrals (i.e., the poor, the bedridden, the older adults) would benefit the most from the deployment of PoC biochemistry for essential biochemistry parameters. Improved access to PoC glycated hemoglobin (HbA1c), lipid, liver and kidney profile was perceived as helpful to inform clinicians' decision-taking. The value of PoC biochemistry for the management of noncommunicable diseases (diabetes, hypertension) and infectious conditions (dengue, malaria, tuberculosis), to improve child health outcomes (severe dehydration in children with diarrhea and/or malnutrition) and to reduce preventable causes of death (dengue-related renal failure) was highlighted. Conclusions: PoC biochemistry holds potential to revert the impact that the biochemistry gap has for patient care in some LMICs' PHC settings. PoC equipment for parameters such as HbA1c, urea, creatinine or electrolytes could enhance community-level management of preventable causes of mortality, improve service delivery for patients affected by locally-prevalent infectious conditions, and improve the psychosocial and economic wellbeing of patients facing the burden of referrals to remote biochemistry-equipped centers. Trial Registration: Not applicable. [ABSTRACT FROM AUTHOR]

This article is a reflection of English teaching in Chiclayo, Peru, at a not-for-profit cultural center. It starts with a brief explanation of the authors' desire to help transform the community through English teaching. The article then explains the concept of civic education and offers a three-tiered approach that has been designed to help the community: Chiclayo reads, summer institute for k-12 English teachers, and the advanced curriculum. The implementation and results of the projects are discussed.

Objectives: In order to generate independent performance data regarding accuracy of COVID-19 antigen-based rapid diagnostic tests (Ag-RDTs), prospective diagnostic evaluation studies across multiple sites are required to evaluate their performance in different clinical settings. This report describes the clinical evaluation the GENEDIA W COVID-19 Ag Device (Green Cross Medical Science Corp., Chungbuk, Korea) and the ActiveXpress+ COVID-19 Complete Testing Kit (Edinburgh Genetics Ltd, UK), in two testing sites Peru and the United Kingdom. Methods: Nasopharyngeal swabs collected from 456 symptomatic patients at primary points of care in Lima, Peru and 610 symptomatic participants at a COVID-19 Drive-Through testing site in Liverpool, England were analyzed by Ag-RDT and compared to RT-PCR. Analytical evaluation of both Ag-RDTs was assessed using serial dilutions of direct culture supernatant of a clinical SARS-CoV-2 isolate from the B.1.1.7 lineage. Results: For GENEDIA brand, the values of overall sensitivity and specificity were 60.4% [95% CI 52.4–67.9%], and 99.2% [95% CI 97.6–99.7%] respectively; and for Active Xpress+ the overall values of sensitivity and specificity were 66.2% [95% CI 54.0–76.5%], and 99.6% [95% CI 97.9–99.9%] respectively. The analytical limit of detection was determined at 5.0 x 102 pfu/ml what equals to approximately 1.0 x 104 gcn/ml for both Ag-RDTs. The UK cohort had lower median Ct values compared to that of Peru during both evaluations. When split by Ct, both Ag-RDTs had optimum sensitivities at Ct<20 (in Peru; 95% [95% CI 76.4–99.1%] and 100.0% [95% CI 74.1–100.0%] and in the UK; 59.2% [95% CI 44.2–73.0%] and 100.0% [95% CI 15.8–100.0%], for the GENDIA and the ActiveXpress+, respectively). Conclusions: Whilst the overall clinical sensitivity of the Genedia did not meet WHO minimum performance requirements for rapid immunoassays in either cohort, the ActiveXpress+ did so for the small UK cohort. This study illustrates comparative performance of Ag-RDTs across two global settings and considers the different approaches in evaluation methods. [ABSTRACT FROM AUTHOR]

Objective: This study aimed to determine how metabolic syndrome is related to benign prostatic enlargement in males under 60 years old in a national military hospital in Peru. Materials and methods: We conducted a retrospective, quantitative, case-control study. By simple random sampling, 87 cases with benign prostatic enlargement and 174 controls were included, with a statistical power of 80%. The benign prostatic enlargement was evaluated by clinical picture and ultrasound and the metabolic syndrome was evaluated according to the Adult Treatment Panel III criteria. The statistical analysis was performed using the STATAv14 program, the chi-square statistical test was used and odds ratio was obtained, at a significance level of 5%. Results: The mean age of the cases and controls was 55 (51-58) and 52 (46-57), respectively. By multivariate analysis, the factors related to benign prostatic enlargement were the presence of benign prostatic enlargement (adjusted odds ratio: 2.71, 95% CI: 1.27-5.80; P = .010), waist circumference ≥102 cm (adjusted odds ratio: 6.51, 95% CI: 3.09-13.71; P < .001), elevated fasting glucose (adjusted odds ratio: 1.38, 95% CI: 0.65-2.91; P = .399), high triglycerides (adjusted odds ratio: 5.29, 95%: CI 2.40-11.64; P < .001), and arterial hypertension (adjusted odds ratio: 4.67, 95% CI 2.19-9.95; P < .001). Elevated high-density lipoprotein cholesterol was a protective factor (adjusted odds ratio: 0.09, 95% CI: 0.04-0.20; P < .001). Conclusion: The present study showed that metabolic syndrome and its components (waist circumference, hypertension, triglycerides, and high-density lipoprotein cholesterol) are factors related to benign prostatic enlargement in patients under 60 years old in a military hospital in Peruvian population. Waist circumference as an indicator of overweight/obesity is a practical anthropometric marker of interest in public health. [ABSTRACT FROM AUTHOR]

The present study was carried out with the objective of knowing, making visible and articulating how family enterprises are presented in two communities of Peru, one from the north: Cascas (La Libertad) and another from the South: San Agustín (Arequipa), allowing the construction of synergies with a territoriality criterion. The solidarity economy achieves the support of people, promotes the development of initiatives, becomes a generator of economic income, a source of skills development, creation of more community economies and extension of the middle class. The methods used are inductive - deductive and analytical - synthetic, which allowed an analysis of the content of family economies, using the techniques questionnaire of closed questions and in-depth interviews, with 100 families from each of the selected communities as the object of study. and autonomy of the family members, allows the equitable distribution and management of resources, bringing as a goal the well-being of these families. [ABSTRACT FROM AUTHOR]

In the Amazonian forests of Perú a large variety of native wood species can be found, of which only a few are commercially exploited. Exploitation is focused on high density durable hardwoods for flooring applications. After selective logging of a few valuable trees the forests often are considered being "unproductive" because there is no market for most of the remaining trees. Having a long-term sustainable forest management and utilization plan in mind, a continuous extraction of more tree species is desirable. For opening out new markets for lesser-used species a concise knowledge of their physical and mechanical properties is essential. Fifteen lesser-used Peruvian wood species were investigated to characterize their wood/water relations. Density, shrinkage behavior, and sorption characteristics were determined. In addition, the functional relation between electrical resistance and moisture content was determined to provide a sound basis for non-destructive moisture content measurements. [ABSTRACT FROM AUTHOR]

In Peru, 24,581 people were diagnosed with tuberculosis (TB) in 2020. Although TB treatments are effective, 3.4–13% are associated with significant adverse drug reactions (ADRs), with drug-induced liver injury (DILI) considered the most predominant. Among the first-line antituberculosis drugs, isoniazid (INH) is the main drug responsible for the appearance of DILI. In the liver, INH is metabolized by the enzymes N-acetyltransferase-2 (NAT2), cytochrome P450 2E1 (CYP2E1), and glutathione S-transferase (GST) with two isoforms, GSTT1 and GSTM1. Based on previous studies, we hypothesized that interactions between the GSTT1 and GSTM1 null genotypes induce DILI in TB patients. In this cross-sectional study of 377 participants who completed their anti-TB treatment, we genotyped by revealing the presence or absence of 215- and 480-bp bands of GSTM1 and GSTT1, respectively. We found that the prevalence of the GSTM1 genotype was 52.79% and 47.21% for presence and null, respectively, and for GSTT1 it was 69.76% and 30.24% for presence and null, respectively. Neither genotype was prevalent in the patients who developed DILI (n = 16). We did not confirm our hypothesis; however, we found that the combination of GSTM1 present genotype, GSTT1 null genotype, fast NAT2 acetylators, and CYP2E1 c1/c1 genotype had a significant risk for the development of ADR (OR 11; p = 0.017; 95% CI: (0.54–186.35)). We propose that the presence of the GSTM1 present genotype, GSTT1 null genotype, fast NAT2 acetylators, and CYP2E1 c1/c1 genotype in the Peruvian population could be considered a risk factor for the development of ADR due to therapeutic drug intake. [ABSTRACT FROM AUTHOR]

Zonulin has previously been related to intestinal permeability in various inflammatory diseases, and more recently to the physiopathology of severe COVID-19 infections. We analysed serum samples from a previous study of a Peruvian cohort of hospitalised COVID-19 patients, for the quantification of zonulin by sandwich ELISA. Comparisons with clinical data, haematological and biochemical parameters and cytokine/chemokine levels were made. We found higher baseline zonulin levels in deceased patients, and zonulin was associated with fatal outcome in multivariable analyses, even after adjustment for age, gender, and obesity. There were also positive correlations between zonulin, creatinine, D-dimer values and prothrombin time, while inverse correlations were found for Sa/FiO2 ratio and CCL5 (RANTES). Further longitudinal studies are recommended to analyse the variation of zonulin levels over time as well as their relationship with long-COVID. [ABSTRACT FROM AUTHOR]

Background: In Peru, 32,970 people were diagnosed with tuberculosis (TB) in 2019. Although TB treatment is effective, 3.4%–13% is associated with significant adverse drug reactions (ADR), considering drug‐induced liver injury (DILI) as the most prevalent. Among the first‐line anti‐TB drugs, isoniazid (INH) is primarily responsible for the occurrence of DILI. INH is metabolized in the liver by the enzymes N‐acetyltransferase‐2 (NAT2) and Cytochrome P450 2E1 (CYP2E1). Based on the previous studies, we hypothesized that the interactions between slow CYP2E1 genotype and NAT2 slow acetylators will induce DILI in TB patients. Methods: In this cross‐sectional study, all 377 participants completed their anti‐TB treatment, and we genotyped SNPs: rs1041983, rs1801280, rs1799929, rs1799930, rs1208, and rs1799931 for NAT2 and rs3813867 and rs2031920 for CYP2E1. Results: We found that rapid, intermediate, and slow NAT2 acetylator were 15%, 38%, and 47%, respectively, in the general population. Intermediate NAT2 acetylator is the least prevalent among patients with adverse reactions (p = 0.024). We did not confirm our hypothesis, however, we found that the combination of intermediate NAT2 acetylators and CYP2E1 c1/c1 genotype significantly protected (OR = 0.16; p = 0.049) against the development of DILI in our population. Conclusion: We propose that the presence of NAT2 intermediate and CYP2E1 c1/c1 genotype could help in therapeutic drug monitoring, and optimize its therapeutic benefits while minimizing its risk for side effects or toxicity. [ABSTRACT FROM AUTHOR]

Introduction: Human rhinovirus is a major cause of acute respiratory infections (ARIs) worldwide. Epidemiological data on human rhinovirus (RV) in Peru is still scarce, as well as its role in respiratory infections in children. Therefore, the aim of this study was to describe the prevalence of rhinovirus and to identify the circulating species in nasopharyngeal swabs from children with acute respiratory infections. Materials and methods: We analyzed nasopharyngeal swab samples that were collected from children younger than 17 years old, who had a clinical diagnosis of ARI from the "Hospital Nacional Cayetano Heredia" between May 2009 and December 2010. The original study recruited 767 inpatients with ARI, 559 samples of which were included and analyzed in the current study. Detection of rhinovirus and determination of rhinovirus species were characterized by PCR. Results: Rhinovirus was detected in 42.22% samples (236/559), RV-A was detected in 10.17% (24/236) of the cases, RV-B in 16.53% (39/236), and RV-C in 73.31% (173/236). The age group with the highest number of cases was the 0–5 months group with 45.97%, followed by the 1–5 years group with 25.22%. Most of the positive RV cases, i.e., 86.44% (204/236), were hospitalized. The most common signs and symptoms found in patients who tested positive for RV were cough (72.88%), fever (68.64%), rhinorrhea (68.22%), and respiratory distress (61.44%). Infection with RV-A was associated with wheezing (p = 0.02). Furthermore, RV-C was related to cough (p = 0.01), wheezing (p = 0.002), and conjunctival injection (p = 0.03). A peak in RV-C cases was found in March (32 cases in 2010); June (18 cases in 2009 and 12 cases in 2010), which corresponds to the fall season in Peru; and also November (17 cases in 2009 and 4 cases in 2010), which corresponds to spring. RV-A and RV-B cases were constant throughout the year. Conclusion: In conclusion, we found a high prevalence of rhinovirus C infection among pediatric patients with acute respiratory infections in Lima, Peru. This viral infection was more common in children between 0 to 5 months old, and was associated with cough, wheezing, and conjunctival injection. Epidemiological surveillance of this virus should be strengthened/encouraged in Peru to determine its real impact on respiratory infections. [ABSTRACT FROM AUTHOR]

Little is known about the epidemiology of systemic vasculitis in South American countries. The aim of this study is to compare the prevalence of systemic vasculitides in two vasculitis referral centers from Brazil and Peru. A cross-sectional study was performed and all patients above 18 years of age, with at least 6 months of follow-up and who met classification or diagnosis criteria for the most common forms of vasculitis, were included. A total of 562 patients with systemic vasculitis were analyzed, 345 (61.4%) from Brazil and 217 (38.6%) from Peru. The frequency of Behçet's disease (37.9% vs. 1.8%; p < 0.0001), Takayasu arteritis (TAK) (25.2% vs. 6.9%; p < 0.0001), and giant cell arteritis (9.8% vs. 0.9%; p < 0.0001) was higher in the Brazilian center than the Peruvian one. On the other hand, the frequency of microscopic polyangiitis (MPA) (67.3% vs. 2.8%; p < 0.0001) and renal-limited vasculitis (2.8% vs. 0.0%; p = 0.009) was higher in the Peruvian center. No differences were found concerning other forms of vasculitis. At diagnosis, Brazilian patients with TAK, granulomatosis with polyangiitis, and MPA were younger than Peruvian patients. Epidemiologic differences in the frequency of systemic vasculitis are observed between a vasculitis referral center from Brazil and another from Peru. Key Points • Significant differences are observed regarding the epidemiologic profile of systemic vasculitis between Brazil and Peru. • MPA is the predominant form of vasculitis in Peru while BD and TAK are the most frequent forms of vasculitis in Brazil. • The age at diagnosis of TAK, MPA, and GPA was lower in Brazilian patients than in Peruvian patients. [ABSTRACT FROM AUTHOR]

Agile and Integrated Business Solutions (Henceforth IBSs) have existed for years, and the primitive state indicates their evolution. In Peru, Innovative manufacturers employed IBSs and agile to cofound goods and services to solve various business difficulties and participate more successfully in their respective fields. However, the usefulness and benefits of IBSs and agile have declined due to the tight project management style used. This study proposes a method dealing with a concept for Peruvian manufacturers. The conceptual method to adjust new income sources in making good consumer partnerships by using the methodology of an agile project taking into account the iterative and interactive nature of IBS development. This study revealed that typical project management as a delivery strategy for IBSs is ineffective. Its customer-centred and iterative philosophy presents an alternate option in using an agile project management strategy. This study shows how the agile process known as Scrum works better with innovative IBS development and presents a conceptual description. This finding contributes to the corpus of knowledge about agile's application possibility in Peru. [ABSTRACT FROM AUTHOR]

Background Diabetes mellitus (DM) patients are three times more likely to develop tuberculosis (TB) than the general population. Active TB screening in people with DM is part of a bidirectional approach. The aim of this study was to conduct pragmatic active TB screening among DM patients in four countries to inform policy. Methods DM patients were recruited in Indonesia (n=809), Peru (n=600), Romania (n=603) and South Africa (n=51). TB cases were diagnosed using an algorithm including clinical symptoms and chest X-ray. Presumptive TB patients were examined with sputum smear and culture. Results A total of 171 (8.3%) individuals reported ever having had TB (South Africa, 26%; Indonesia, 12%; Peru, 7%; Romania, 4%), 15 of whom were already on TB treatment. Overall, 14 (0.73% [95% confidence interval 0.40 to 1.23]) TB cases were identified from screening. Poor glucose control, smoking, lower body mass index, education and socio-economic status were associated with newly diagnosed/current TB. Thirteen of the 14 TB cases diagnosed from this screening would have been found using a symptom-based approach. Conclusions These data support the World Health Organization recommendation for routine symptom-based screening for TB in known DM patients in high TB-burden countries. DM patients with any symptoms consistent with TB should be investigated and diagnostic tools should be easily accessible. [ABSTRACT FROM AUTHOR]

Background People with diabetes have an increased risk of developing active tuberculosis (TB) and are more likely to have poor TB-treatment outcomes, which may impact on control of TB as the prevalence of diabetes is increasing worldwide. Blood transcriptomes are altered in patients with active TB relative to healthy individuals. The effects of diabetes and intermediate hyperglycemia (IH) on this transcriptomic signature were investigated to enhance understanding of immunological susceptibility in diabetes-TB comorbidity. Methods Whole blood samples were collected from active TB patients with diabetes (glycated hemoglobin [HbA1c] ≥6.5%) or IH (HbA1c = 5.7% to <6.5%), TB-only patients, and healthy controls in 4 countries: South Africa, Romania, Indonesia, and Peru. Differential blood gene expression was determined by RNA-seq (n = 249). Results Diabetes increased the magnitude of gene expression change in the host transcriptome in TB, notably showing an increase in genes associated with innate inflammatory and decrease in adaptive immune responses. Strikingly, patients with IH and TB exhibited blood transcriptomes much more similar to patients with diabetes-TB than to patients with only TB. Both diabetes-TB and IH-TB patients had a decreased type I interferon response relative to TB-only patients. Conclusions Comorbidity in individuals with both TB and diabetes is associated with altered transcriptomes, with an expected enhanced inflammation in the presence of both conditions, but also reduced type I interferon responses in comorbid patients, suggesting an unexpected uncoupling of the TB transcriptome phenotype. These immunological dysfunctions are also present in individuals with IH, showing that altered immunity to TB may also be present in this group. The TB disease outcomes in individuals with IH diagnosed with TB should be investigated further. [ABSTRACT FROM AUTHOR]

A major challenge of tuberculosis diagnosis is the lack of universal accessibility to bacteriological confirmation. Computer-aided diagnostic interventions have been developed to address this gap and their successful implementation depends on many health systems factors. A socio-technical system to implement a computer-aided diagnostic tuberculosis diagnosis was preliminary tested in five primary health centers located in Lima, Peru. We recruited nurses (n = 7) and tuberculosis physicians (n = 5) from these health centers to participate in a field trial of an mHealth tool (eRx X-ray diagnostic app). From September 2018 to February 2019, the nurses uploaded images of chest X-rays using smartphones and the physicians reviewed those images on web-based platforms using tablets. Both completed weekly written feedback about their experience. Each nurse participated for a median duration of 12 weeks (interquartile range = 7.5–15.5), but image upload was only possible at a median of 58 percent (interquartile range = 35.1%–84.4%) of those weeks. Each physician participated for a median duration of 17 weeks (interquartile range = 12–17), but X-ray image review was only possible at a median of 52 percent (interquartile range = 49.7%–57.4%) of those weeks. Heavy workload was most frequently provided as the reason for missing data. Several infrastructural and technological challenges impaired the effective implementation of the mHealth tool, irrespective of its diagnostic accuracy. [ABSTRACT FROM AUTHOR]

Riparian habitats provide refuge for unique plant and animal assemblages. Many riparian habitats in arid ecosystems have lost most of their vegetation and associated fauna, due to a reduction of their original extension by land transformation. Using a case study from the subtropical desert of Peru, we quantified avian richness, diversity and abundance of resident species in twelve sites with a varying degree of anthropogenic impact, using an anthropogenic index (A.I.) as a proxy of alteration of the original vegetation. Sites with lower values of A.I. were those with the highest percentage of riparian cover. We found that species richness was higher at sites with a higher percentage of riparian vegetation (low A.I.), although bird diversity did not differ between sites. Five bird species, mostly insectivorous passerines, showed higher abundances at sites with low A.I., suggesting that less riparian cover is associated with lower abundances of such species. Despite its conspicuous presence, the Slender‐billed Finch, an endemic species recorded at all sites, was found at lower abundances when riparian vegetation was scarcer. Only one species showed the opposite trend, the Rufous‐collared sparrow, a dietary generalist songbird, which was more abundant at sites with higher A.I. Other 20 species analysed showed no trend. Moreover, several species had few records precluding a formal statistical analysis. This study offers valuable data on the negative impact that the loss of native vegetation could have on riparian communities of subtropical ecosystems, for which no other long‐term data exist. The protection, management and restoration of riparian strips should be a priority for bird conservation in human‐modified environments, particularly for those in developing countries. Abstract in Spanish is available with online material. [ABSTRACT FROM AUTHOR]

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Anemia diagnosis in populations residing at high altitude (HA) involves an adjustment of hemoglobin (Hb) values owing to the increase in its concentration with altitude. The suitability of the adjustment has been questioned since Hb concentrations depend on how adapted a population is to HA. In Peru, anemia in preschool children (PSC) is a matter of severe public concern for its high rates; in the city of Puno (∼3800 MASL), for example, 67.7% of children under 3 years are diagnosed with anemia. Here, we conducted an observational study in PSC living at different altitudes in Puno to assess Hb, iron status, and the suitability of altitude‐adjusted Hb values in defining iron deficiency anemia. After adjusting Hb, 65.66% of the population had anemia, while only 4.8% of PSC had anemia when using unadjusted Hb. Receiver‐operating characteristic curves using total body iron (TBI) as a marker of iron status are presented. In the 36‐ to 59‐month age group, unadjusted Hb performed better than altitude‐adjusted Hb. In the 6‐ to 35‐month age group, anemia (adjusted or unadjusted) was not associated with TBI. We conclude that Hb adjustment by altitude is not appropriate. Anemia at an early age is not entirely attributable to iron deficiency. [ABSTRACT FROM AUTHOR]

Growing evidence suggests pollution and other environmental factors have a role in the development of tuberculosis (TB), however, such studies have never been conducted in Peru. Considering the association between air pollution and specific geographic areas, our objective was to determine the spatial distribution and clustering of TB incident cases in Lima and their co-occurrence with clusters of fine particulate matter (PM2.5) and poverty. We found co-occurrences of clusters of elevated concentrations of air pollutants such as PM2.5, high poverty indexes, and high TB incidence in Lima. These findings suggest an interplay of socio-economic and environmental in driving TB incidence. [ABSTRACT FROM AUTHOR]

Background Diabetes mellitus (DM) increases active tuberculosis (TB) risk and worsens TB outcomes, jeopardizing TB control especially in TB-endemic countries with rising DM prevalence rates. We assessed DM status and clinical correlates in TB patients across settings in Indonesia, Peru, Romania, and South Africa. Methods Age-adjusted DM prevalence was estimated using laboratory glycated hemoglobin (HbA1c) or fasting plasma glucose in TB patients. Detailed and standardized sociodemographic, anthropometric, and clinical measurements were made. Characteristics of TB patients with or without DM were compared using multilevel mixed-effect regression models with robust standard errors. Results Of 2185 TB patients (median age 36.6 years, 61.2% male, 3.8% human immunodeficiency virus–infected), 12.5% (267/2128) had DM, one third of whom were newly diagnosed. Age-standardized DM prevalence ranged from 10.9% (South Africa) to 19.7% (Indonesia). Median HbA1c in TB–DM patients ranged from 7.4% (Romania) to 11.3% (Indonesia). Compared to those without DM, TB–DM patients were older and had a higher body mass index (BMI) (P value <.05). Compared to those with newly diagnosed DM, TB patients with diagnosed DM had higher BMI and HbA1c, less severe TB, and more frequent comorbidities, DM complications, and hypertension (P value <.05). Conclusions We show that DM prevalence and clinical characteristics of TB–DM vary across settings. Diabetes is primarily known but untreated, hyperglycemia is often severe, and many patients with TB–DM have significant cardiovascular disease risk and severe TB. This underlines the need to improve strategies for better clinical management of combined TB and DM. [ABSTRACT FROM AUTHOR]

In this article, we provide an impact evaluation of an intervention in Peru regarding preparedness for El Niño impacts in Picsi District of Chiclayo Province in Peru's northwestern coastal Lambayeque region. This effort involved the provision of special kits that reduce the potential damage to homes as a consequence of rainfall and floods associated with an El Niño-Southern Oscillation event. Information was collected in 2016 when this Forecast-based Financing early action was activated by an El Niño forecast, and after a coastal El Niño actually struck in 2017. This dual database permits us to estimate the impact of the intervention on the damage level of homes by comparing those homes supported by the program with those homes not receiving pilot-program support. This comparison is achieved by using propensity score matching techniques, which identify the most comparable homes to the ones that were supported by the intervention. The main findings of the study suggest a positive impact of the program in terms of its effectiveness in mitigating the damage caused by the 2017 El Niño. These results suggest a drop in the scale of house damage (less damage) by around 63% for a home that received the modular kit treatment. When considering other specifications of the model, the decrease in the scale of house damage improves up to approximately 66%. [ABSTRACT FROM AUTHOR]

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Background: Human Metapneumovirus (hMPV) is a negative single-stranded RNA virus. Infection by hMPV mainly affects the pediatric population and can cause upper or lower respiratory tract pathologies which can develop life threating complications. This study was carried out between 2009 and 2010 in a high complexity national hospital in Lima, Peru. The time frame corresponds to the pandemic of influenza A H1N1. Methods: A prospective study was performed between September 2009 and September 2010. Patients with a clinical diagnosis suggestive of an acute respiratory infection were included. RT-PCR was utilized to attain the amplification and identification of the hMPV. Results: A total of 539 samples were analyzed from patients with a clinical context suggestive of an acute respiratory tract infection. Of these samples 73, (13.54%) were positive for hMPV. Out of the positive cases, 63% were under one year old, and increased to nearly 80% when considering children younger than two years old. Cough was the most frequent symptom presented by our population with a number of 62 cases (84.93%). Viral seasonality was also established, noting its predominance during the months of summer in the southern hemisphere. The infection by hMPV has an important prevalence in Peru. It mainly affects children under one year old and should be considered an important differential diagnosis in a patient with an acute respiratory infection. [ABSTRACT FROM AUTHOR]

This article analyzes the factors associated with vulnerability of the Ashaninka, the most populous indigenous Peruvian Amazonian people, to tuberculosis (TB). By applying a human rights-based analytical framework that assesses public policy against human rights standards and principles, and by offering a step-by-step framework for a full assessment of compliance, it provides evidence of the relationship between the incidence of TB among the Ashaninka and Peru's poor level of compliance with its human rights obligations. The article argues that one of the main reasons for the historical vulnerability of the Ashaninka to diseases such as TB is a lack of political will on the part of the national government to increase public health spending, ensure that resources reach the most vulnerable population, and adopt and invest in a culturally appropriate health system. [ABSTRACT FROM AUTHOR]

Background: Bartonellosis affects small Andean communities in Peru, Colombia and Ecuador. Research in this area has been limited. Methods: Retrospective review of 191 cases of bartonellosis managed in Caraz District Hospital, Peru, during the last outbreak (2003). Results: The majority of cases (65%) were 14 years old and younger. There was a peak in acute cases after the rainy season; chronic cases presented more constantly throughout the year. The sensitivity of blood smear against blood culture in acute disease was 25%. The most commonly used treatment for chronic disease was rifampicin; chloramphenicol was used to treat most acute cases. Complications arose in 6.8% and there were no deaths. Conclusions: Diagnostic and treatment algorithms for acute and chronic bartonellosis have been developed without a strong evidence base. Preparation of ready-to-go operational research protocols for future outbreaks would strengthen the evidence base for diagnostic and treatment strategies and enhance opportunities for control. [ABSTRACT FROM AUTHOR]

Objective. The aim of this study was to determine whether the proportions of naive and memory CD4+ T cell are independently associated with the metabolic syndrome (MetS) in patients with SLE. Methods. This cross-sectional study was conducted in SLE patients seen at our rheumatology department between September 2013 and April 2014. CD4+ T cell subpopulations were examined by flow cytometry. The association of MetS and CD4+ T cell subpopulations was examined by Mann-Whitney U-test and by multivariable analysis, adjusting for all possible confounding variables. Results. One hundred and seventeen patients were evaluated. Their mean age was 44.6 years (S.D. 12.6), 109 (93.2%) were female and all patients were Mestizo (mixed Caucasian and Amerindian ancestry). Fifty-two patients (44.4%) presented with MetS. Disease duration was 7.6 years (S.D. 6.8). The percentage of naive CD4+ T cells was 25.0 (S.D. 12.7) and memory CD4+ T cells was 66.7 (S.D. 13.2) and the memory:naive CD4+ T cell ratio was 4.3 (S.D. 5.6). In multivariable analysis, the percentage of naive CD4+ T cells was negatively associated with the presence of MetS [odds ratio (OR) 0.959 (95% CI 0.923, 0.997), P=0.033], whereas the percentage of memory CD4+T cells and the memory:naive CD4+ T cell ratio were positively associated with its presence [OR 1.040 (95% CI 1.003, 1.078), P=0.031 and OR 1.238 (95% CI 1.041, 1.472), P=0.016, respectively]. Conclusion. In the SLE patients studied, a lower percentage of naive CD4+ T cells, a higher percentage of memory CD4+ T cells and the memory:naive CD4+ T cell ratio were independently associated with the presence of MetS. This association could reflect the impact of immunosenescence among SLE patients with cardiovascular morbidity. [ABSTRACT FROM AUTHOR]

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Dr. Uriel García Cáceres, prominent physician, researcher and Peruvian historian, was born in the city of Cusco in 1922. He studied medicine at Universidad Nacional Mayor de San Marcos (1942-1950). He was influenced by Dr. Pedro Weiss and as a result he worked in the field of Pathological Anatomy, where he made substantial discoveries such as the description of kidney nodules associated with the verrucous stage of bartonellosis or Carrion's disease. His most important contributions are in the paleopathology field, in which he helped create a better understanding of Peruvian ancient pathology. Dr. García Cáceres also participated in the political arena; he was Peru's Minister of Health, a position in which he served selflessly and always working for the good of the health of all Peruvians. At 91 years old, he is always tenacious and cheerful, and above all, he is a teacher with a readiness to learn. [ABSTRACT FROM AUTHOR]

The contribution made by the private sector to health care in a low- or middle-income country may affect levels of physician emigration from that country. The increasing importance of the private sector in health care in the developing world has resulted in newfound academic interest in that sector's influences on many aspects of national health systems. The growth in physician emigration from the developing world has led to several attempts to identify both the factors that cause physicians to emigrate and the effects of physician emigration on primary care and population health in the countries that the physicians leave. When the relevant data on the emerging economies of Ghana, India and Peru were investigated, it appeared that the proportion of physicians participating in private health-care delivery, the percentage of health-care costs financed publicly and the amount of private health-care financing per capita were each inversely related to the level of physician expatriation. It therefore appears that private health-care delivery and financing may decrease physician emigration. There is clearly a need for similar research in other low- and middle-income countries, and for studies to see if, at the country level, temporal trends in the contribution made to health care by the private sector can be related to the corresponding trends in physician emigration. The ways in which private health care may be associated with access problems for the poor and therefore reduced equity also merit further investigation. The results should be of interest to policy-makers who aim to improve health systems worldwide. [ABSTRACT FROM AUTHOR]

Background: Carrion's disease affects small Andean communities in Peru, Colombia and Ecuador and is characterized by two distinct disease manifestations: an abrupt acute bacteraemic illness (Oroya fever) and an indolent cutaneous eruptive condition (verruga Peruana). Case fatality rates of untreated acute disease can exceed 80% during outbreaks. Despite being an ancient disease that has affected populations since pre-Inca times, research in this area has been limited and diagnostic and treatment guidelines are based on very low evidence reports. The apparently limited geographical distribution and ecology of Bartonella bacilliformis may present an opportunity for disease elimination if a clear understanding of the epidemiology and optimal case and outbreak management can be gained. Methods: All available databases were searched for English and Spanish language articles on Carrion's disease. In addition, experts in the field were consulted for recent un-published work and conference papers. The highest level evidence studies in the fields of diagnostics, treatment, vector control and epidemiology were critically reviewed and allocated a level of evidence, using the Oxford Centre for Evidence-Based Medicine (CEBM) guidelines. Results: A total of 44 studies were considered to be of sufficient quality to be included in the analysis. The majority of these were level 4 or 5 (low quality) evidence and based on small sample sizes. Few studies had been carried out in endemic areas. Conclusions: Current approaches to the diagnosis and management of Carrion's disease are based on small retrospective or observational studies and expert opinion. Few studies take a public health perspective or examine vector control and prevention. High quality studies performed in endemic areas are required to define optimal diagnostic and treatment strategies. Author Summary: Carrion's disease is one of the truly neglected tropical diseases. It affects children predominantly in small Andean communities in Peru, Colombia and Ecuador. Case fatality rates of untreated acute disease can exceed 80% during outbreaks. Diagnostic and treatment guidelines are based on very low evidence reports and public health and prevention programs have been limited. This paper presents the first systematic review of Carrion's disease in Peru and encompasses a detailed analysis of all the highest level evidence regarding not only diagnosis and management but also vector control and prevention. In the review, the authors highlight the considerable knowledge gaps in this field and suggest a strategy for a renewed effort in its investigation. The authors hope that through this work we will be able to develop a better understanding of the epidemiology, natural history and optimal approaches to case and outbreak [ABSTRACT FROM AUTHOR]

Abstract: Ichthyomys stolzmanni is a supposedly rare ichthyomyine rodent known only from seven specimens from two localities, one in Ecuador and the other in Peru, which natural history is poorly known. We report four new records of the species from three localities in the department of Ayacucho, Peru. Current taxonomy recognizes the Ecuadorean population as I. s. orientalis Anthony 1923, and the Peruvian sample as I. s. stolzmanni Thomas 1893; but our morphological evaluation and descriptive statistics do not support the recognition of orientalis as a valid subspecies but rather as a synonym of stolzmanni. We also provide evidence that indicates this allegedly rare species is acquiring the status of nuisance species in man-made environment of the Peruvian puna. [Copyright &y& Elsevier]

The objective was to evaluate the effect of the site in the productivity of 12 Calycophyllum spruceanum Benth. forest plantations (replications) in a total area of 5.72 has. Plantations were distributed into 3 blocks in the Aguaytía River, located in the Ucayali Region. Direct measurements were used to evaluate the current state of the plantations and their relationship with soil and climate factors in order to identify potential places for the establishment of successful plantations. Site Index (SI), was defined as the average of the total height in meters of the higher quintile. Site Index was highly correlated to basal area, and total bark volume. Noteworthy differences were found in the plots evaluated. This allows the generation of a classification based in the Site Index. This classification is consistent with the blocks and the altitude throughout the basin in most of the cases. Growth average in the best replication resulted in a volumetric increment of up to 13.349 m3ha-1year-1. [ABSTRACT FROM AUTHOR]

Background In Peru, tuberculosis (TB) is perceived as a nutritional disease. This perception, alongside factors including household food insecurity, may drive the food choices of people with TB and influence treatment outcomes. Objectives The objective of this qualitative study was to explore drivers of food choice among adults recently diagnosed with TB. Methods The study was conducted between April and December 2016 in the Huaycán district of Lima, Peru. Structured questionnaires were administered to 39 adults with TB at the time of diagnosis and after 1 mo of treatment to characterize food security and socioeconomic status. At 1 mo of treatment, 24-h dietary recalls, enhanced by recipes obtained from local street vendors, were administered to examine patterns of food consumption and determine mean daily intake of macro- and micronutrients. Among a subset of 9 participants, in-depth interviews were used to explore dietary beliefs and food choices associated with TB. Results Overall, 13.2% of participants were underweight at baseline, and 10.5% were overweight. At 1 mo of treatment, the mean caloric intake was 600 kcal/d over what was needed to maintain their current weight. Most of these additional kilocalories came from carbohydrates. Patients made active efforts to improve their diets during treatment, and were both receptive to, and actively sought out, nutritional advice. However, many patients reported significant unnecessary spending on questionable commercial products, such as expensive natural remedies and nutritional supplements. Conclusions The perceived connection between TB and diet creates both opportunities and challenges for treatment providers. Nutritional counseling provided through the national TB program should promote dietary quality through foods that are locally available, inexpensive, and aligned with cultural perceptions of health and wellness. [ABSTRACT FROM AUTHOR]

In this study we analyze the impact of several socioeconomic variables on the happiness of the inhabitants of Arequipa city, located at the south of Peru. In order to, there were applied a socioeconomic chart and the Lima Happiness Scale in a representative sample of 823 people from Metropolitan Arequipa, obtained by the clustering technique. A multiple linear regression was applied to process the data, and the race was the unique variable significant statistically associated with the happiness of the inhabitants. [ABSTRACT FROM AUTHOR]

Background: In 2014 the World Health Organization (WHO) launched the "End TB Strategy", setting new ambitious goals for elimination of tuberculosis (TB). In contrast with previous efforts to control TB, the new strategy adopted the protection and promotion of human rights in TB prevention and care as a core pillar. This mandated the development of national programmes that are sensitive to the characteristics of populations and responsive to structural factors that put people at increased risk of exposure to TB, limit access to good quality health services and make people more vulnerable to TB infection. Indigenous people living in the Peruvian Amazon have been identified as a TB vulnerable group by Peruvian health authorities. This article examines the barriers faced by indigenous people and rural settlers from the Peruvian Amazon in obtaining a TB diagnosis and appropriate TB treatment, through the principles of the human rights based approach of accessibility, availability, affordability, adaptability and quality, and thus provides evidence of the utility of such approach in Peru. Methods: This is a qualitative study. We combined information from policy documents and legal regulations and in-depth interviews with health workers and health authorities. We used Atlas-ti to conduct a thematic analysis and identify interviewees responses to pre-defined topics. Results: Despite having a strong legal framework to protect the right to health of indigenous people and people affected by TB, there are underlying structural factors contributing to delays in detection, diagnosis and TB treatment, which are mostly related to having a health system poorly prepared to provide care for people living in dispersed rural communities. This article shows the limited level of integration of the "End TB Strategy" principles in the Peruvian National TB Programme and identifies the weakness of the health system to improve health care provision for indigenous people and rural settlers from the Peruvian Amazon. Conclusions: Our study shows the need to go beyond developing a strong legal framework to ensure vulnerable populations such as indigenous people are able to realize their right to health. Governments need to allocate funds, improve training and adapt healthcare provision to the cultural, geographical, and social context of indigenous people. [ABSTRACT FROM AUTHOR]

Objective To evaluate the performance of diagnostic tools for diabetes mellitus, including laboratory methods and clinical risk scores, in newly-diagnosed pulmonary tuberculosis patients from four middle-income countries. Methods In a multicentre, prospective study, we recruited 2185 patients with pulmonary tuberculosis from sites in Indonesia, Peru, Romania and South Africa from January 2014 to September 2016. Using laboratory-measured glycated haemoglobin (HbA1c) as the gold standard, we measured the diagnostic accuracy of random plasma glucose, point-of-care HbA1c, fasting blood glucose, urine dipstick, published and newly derived diabetes mellitus risk scores and anthropometric measurements. We also analysed combinations of tests, including a two-step test using point-of-care HbA1cwhen initial random plasma glucose was ≥ 6.1 mmol/L. Findings The overall crude prevalence of diabetes mellitus among newly diagnosed tuberculosis patients was 283/2185 (13.0%; 95% confidence interval, CI: 11.6-14.4). The marker with the best diagnostic accuracy was point-of-care HbA1c (area under receiver operating characteristic curve: 0.81; 95% CI: 0.75-0.86). A risk score derived using age, point-of-care HbA1c and random plasma glucose had the best overall diagnostic accuracy (area under curve: 0.85; 95% CI: 0.81-0.90). There was substantial heterogeneity between sites for all markers, but the two-step combination test performed well in Indonesia and Peru. Conclusion Random plasma glucose followed by point-of-care HbA1c testing can accurately diagnose diabetes in tuberculosis patients, particularly those with substantial hyperglycaemia, while reducing the need for more expensive point-of-care HbA1c testing. Risk scores with or without biochemical data may be useful but require validation. [ABSTRACT FROM AUTHOR]

Spider bites are a common and important public health issue in tropical climates, and become a frequent problem in certain Latin American regions. In Peru, the main species of spiders that represent this problematic are Loxosceles laeta, Latrodectus mactans and Phoneutria spp. The present article intends to explain, clarify and categorize these spider bites, in order to make them known by every health professional to its better management. [ABSTRACT FROM AUTHOR]

The article presents information on a little market called "bodega," situated in Puerto Maldonado, a city in the middle of the Peruvian Amazon forest, that is prepared as a clinic. The bed for the examination of the patient is surrounded by boxes of beers. Perhaps it is time to consider the theme of inequalities in medical careers, to work with all medical students, and their clinical practices in such towns.

The recently described bat Lasiurus arequipae Málaga, Díaz, Arias & Medina, 2020 is endemic to Peru. Lasiurus arequipae is currently known to occur at two localities in the department of Arequipa and one locality in the department of Tacna in southwestern Peru. Here, based on morphological and molecular data, we present a fourth locality that represents the southernmost record of this species and extends its known range 62 km south from the nearest locality in Tacna. Additionally, we provide information some aspects on the natural history and acoustic profile of L. arequipae. [ABSTRACT FROM AUTHOR]

Objetivo. Evaluar el conocimiento, las prácticas y las actitudes sobre la enfermedad de Carrión (bartonelosis) en poblaciones rurales con antecedentes de brotes epidémicos. Métodos. Estudio transversal realizado en las poblaciones de Huaripampa, Orcosh y Opayaco (Ancash, Perú) durante el mes de julio del 2010, utilizando una encuesta para evaluar el conocimiento, las prácticas y las actitudes sobre la enfermedad de Carrión. Se entrevistó solo a mayores de 18 años que tuviesen una antigüedad mínima de un año residiendo en esos poblados. Resultados. Se realizaron encuestas a un total de 276 pobladores, de los cuales 36,6% fueron hombres y 72,5% no había oído hablar de la enfermedad de Carrión. Entre los que la conocían, la mayoría (38,7%) indicó que se contagia mediante picaduras, mientras que 26% manifestó no conocer la forma de contagio. Con respecto a las acciones que deberían tomarse en caso de presentar la enfermedad de Carrión, 69,3% de los encuestados refirieron que acudirían a un centro de salud y más de la mitad informó haber recomendado prácticas preventivas a familiares o conocidos en el pasado. Conclusiones. A pesar de tratarse de comunidades históricamente afectadas por la enferme- dad de Carrión, los pobladores de estas tres comunidades no mostraron un nivel adecuado de conocimientos, actitudes o prácticas para su prevención. En vista de ello, y teniendo en cuenta que este padecimiento ha presentado brotes cíclicos, se hace perentorio diseñar e implementar un programa que eduque a los habitantes de estos poblados--poniendo el foco en el papel de los usos y costumbres--sobre cómo prevenir la enfermedad de Carrión, así como el resto de las principales enfermedades endémicas de la región. [ABSTRACT FROM AUTHOR]

We surveyed species richness, taxonomic composition and functional groups for soil ants along an altitudinal gradient at Laquipampa (Lambayeque -- Peru). We selected three strata in the area: high (1824 - 2023 meters high), middle (1362 - 1433 meters high) and low (600 - 810 meters high). In each stratum we located two mountains, and for each mountain we selected two sampling sites, one at the mountaintop and one at the foothill. Thus, in each stratum there were four sampling sites (stations), with a total of 12 sampling stations, 6 at the mountaintops and 6 at the foothills. A total of 892 individuals and 34 species were registered in 96 pitfall traps. Manual collection found 30 species. The combination of both methods resulted in 49 species belonging to 21 genus and 6 subfamilies. At the regional level, the number of species decreased linearly as altitude increased. Overall, the number of species was smaller at the top of the mountain than at its foothill. Temperature, relative humidity and their combined effect can be used to explain the fluctuation in the number of species both locally and regionally, since temperature diminished and humidity increased with altitude. All strata were dominated by omnivorous ants. More than 50% of the species, in each stratum were not found in other strata, suggesting the importance of each kind of forest. [ABSTRACT FROM AUTHOR]

Objective: To determine the morbidity and mortality patterns of patients with acute respiratory distress syndrome (ARDS)/acute pulmonary injury (API) due to influenza A H1N1 who required cardiopulmonary support in a general hospital. Methods: Retrospective case series. Clinical charts, mechanical ventilation and hemodynamic monitoring charts of patients with ARDS/API due to influenza A HINI admitted to the general intensive care unit (GICU) of Hospital Nacional Cayetano Heredia from May to September 2009 were reviewed. The diagnosis of influenza H1N1 was confirmed with RT-PCR. Results: 99 patients with influenza A H1N1 were attended; 9 were admitted in the GICU with ARDS/API; five patients required invasive mechanical ventilation (IMV); three non-invasive mechanical ventilation (NIMV) and one did not require ventilatory support. Mean age was 43.3 ± 18.3 years; mean duration of symptoms was 8 ± 3 days. On admission, 100% of patients had fever and dyspnea; mean APACHE II score was 10.5 ± 4.1 and mean SOFA score was 5.6 ± 3.2; the mean PaO2/FiO2 was 96.74 ± 28.6. In 4/5 of patients requiring IMV the PaO2/FiO2 at 12 hours and at the end of mechanical ventilation was < 200. Estimated pulmonary wedge pressure was 15.69 ± 3.6 and the cardiac index estimated by esophageal doppler ultrasound was 2.4 ± 0.34. AST was 160 ± 152.15, LDH was 2366.33 ± 1862.13 and CK was 216 ± 298.25. All patients received oseltamivir 150 mg every 12 hours per 10 days. Four patients died. Conclusions: Patients with ARDS/API due to influenza A H INI were young adults with protracted disease with fever and lymphopenia, without cardiovascular involvement and with refractory hypoxemia as the main cause of death [ABSTRACT FROM AUTHOR]

Objectives. To determine the frequency and clinical features of central nervous system infections caused by enterovirus in children treated at the Hospital Nacional Cayetano Heredia in Lima, Peru. Materials and methods. A prospective, descriptive study was performed from April 2008 to March 2010. Patients aged 1 month -- 14 years with clinical diagnosis of encephalitis or aseptic meningitis were included. We investigated the presence of enterovirus, herpes simplex virus 1 (HSV-1), herpes simplex virus 2 (HSV-2) and varicella-zoster virus (VZV) by polymerase chain reaction (PCR). Results. 97 patients were included, out of which 69 % had acute encephalitis and 31 % acute meningitis. Enteroviruses were identified in 52,6% of all acute non-bacterial central nervous system infections; corresponding to 83,3 % of meningitis and 38,8 % of encephalitis. There were no cases of infection due to HSV-1, HSV-2 or VZV. Enterovirus infections reached 82,9 % in the warm months (November-January) and 28,6 % in the colder months (May-July). Conclusions. Enteroviruses are the principal etiologic agents in acute aseptic meningitis and encephalitis in pediatric patients in Lima, Peru. Enteroviruses have a seasonal epidemiological pattern with a clear increase in the number of cases during the summer months. It is useful to have this rapid diagnostic method available as an aid in the management of acute central nervous system infections. [ABSTRACT FROM AUTHOR]

Even though the WHO Essential Medicines List has been published and updated for the last 40 years, diagnostics only got their due recognition in the last two years. After ethics approval by the Universidad Peruana Cayetano Heredia, Lima, Peru, we conducted a pilot study in Peru and benchmarked availability of essential tests against both editions of the WHO EDL. Version 2.0 of the EDL included rapid diagnostic tests for Cholera, Visceral Leishmaniasis and Influenza A and B. Interestingly, none of these tests were available in any of the surveyed Peruvian region. [Extracted from the article]