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Background: Motivation for the study. There are few clinical and survival studies in Peru on thyroid cancer., Background: Main findings. Between the years 2010 to 2020, differentiated thyroid cancer was more frequent in women with early-stage disease, but survival was lower at five years compared to reports from other countries., Background: Implications. Thyroid cancer has increased in recent decades worldwide. It is important to have specialized and decentralized centers for the initial management and follow-up of these patients to avoid long-term complications or fatal outcomes and to have updated epidemiological information., Background: This study aimed at studying the clinical and anatomopathological characteristics, treatment and survival of patients with differentiated thyroid cancer. A retrospective cohort study was conducted with data from 150 patients from a Peruvian hospital between the years 2010 to 2020. Characteristics and survival (Kaplan-Meier method) were described. The mean age was 48.3 years, 130 participants (86.7%) were women and the most frequent histologic type was papillary 94.6%. Of the participants, 74.2% had TNM stage I, 70.7% had total thyroidectomy and 68.7% received radioactive iodine. Overall survival at 5 years was 89.3%, being lower in those with TNM stage IV and higher in those who used radioactive iodine. In conclusion, in a hospital in Cusco, differentiated thyroid cancer was more frequent in women and survival was lower compared to reports from other countries.

Background: Sleeve gastrectomy is the most frequently performed bariatric surgery, however several patients did not achieve satisfactory weight loss or suffer of weight regain. The SADI-S has been proposed as an acceptable revision surgery with good results and low complications rate. Our objective is to present the first case of SADI-S performed in the Mexican Institute of Social Security as surgical revision after sleeve gastrectomy for weight regain., Clinic Case: A 50-year-old man presented with a history of type 3 obesity (weight 167 kg, BMI 48.8), hypertension, dyslipidemia, and obstructive sleep apnea, summited to sleeve gastrectomy on 2019 with weight regain of 49.5 % of excess weight lost in 2 years (weight 156 kg, BMI 45.6, %EWL 13.5 %), so we decided to perform a SADI, with preoperative weight 138 kg and BMI 40.3 kg/m2. The surgery occurred without complications, and he was discharged on postoperative day 2. At six months of follow-up continue with satisfactory weight loss (% EWL 52%), comorbidities remission, asymptomatic and laboratory tests without data of malnutrition or anemia., Conclusions: The SADI-S seems to be the best option for revisional surgery after sleeve gastrectomy for unsatisfied weight loss or weight regain, so it was the procedure of choice in our case with satisfactory outcomes. We consider the SADI-S as a secure and efficient option for patients with resistance to weight loss., (Licencia CC 4.0 (BY-NC-ND) © 2024 Revista Médica del Instituto Mexicano del Seguro Social.)

Our objective was to develop a diagnostic test to predict the etiology of Variceal Upper Gastrointestinal Bleeding (VUGIB). We conducted a retrospective cohort study. Medical records of patients over 18 years of age with Upper Gastrointestinal Bleeding (UGIB) who attended the emergency service of Hospital Cayetano Heredia (HCH) in Lima-Peru between 2019 and 2022 were reviewed; demographic, laboratory and clinical data were collected. Subsequently, predictive variables of variceal upper gastrointestinal bleeding (VUGIB) were identified using multiple logistic regression. Each variable with predictive capacity was assigned a score with a cut-off point and served to build a predictive scale for VUGIB. 197 medical records of patients with UGIB were included, of which 127 (64%) had non-variceal bleeding, and 70 (36%), variceal. Four independent predictors were identified: hematemesis (red vomit) (OR: 4,192, 95% CI: 1.586-11.082), platelet count (OR: 3.786, 95% CI: 1.324-10.826), history of UGIB (OR: 2.634, 95% CI: 1.017-6.820), signs of chronic liver disease (OR: 11.244, 95% CI: 3.067-35.047), with which a predictive scale was constructed, with a cut-off point >7 and ≤7; which showed a sensitivity, specificity, positive predictive value, negative predictive value, positive likelihood ratio, and negative of 58.6%, 90.6%, 77.4%, 79.9%, 6.20, and 0.46 respectively. In conclusion, the predictive scale with a cut-off point >7 is useful for predicting the presence of VUGIB in patients who attend the emergency room for UGIB.

Background: pCONus2 device has been used in some countries as coadyuvant in the treatment of wide-neck bifurcation aneurysms with coils., Objective: To present the first series of brain aneurysms treated with pCONus2 in the Mexican Institute for Social Security (IMSS)., Material and Methods: We retrospectively present the first 13 aneurysms treated from October 2019 to February 2022 with pCONus2 device at a third level hospital., Results: 6 aneurysms located at anterior communicating artery, 3 at middle cerebral artery bifurcation, 2 at internal carotid artery bifurcatión, and 2 at the tip of basilar artery were treated. Device deployment was performed without complications and it was possible to embolize aneurysms with coils in 12 patients (92%), while on an internal carotid bifurcation aneurysm (8%) there was an incident of a pCONus2 petal migration toward vascular lumen caused by coils mesh pressure, situation that was solved by placing an nitinol self-expandable microstent. In 7 cases (54%) we performed coiling technique after microcatheter passage through pCONus2, while in 6 cases (46%) we used the jailing technique without complications., Conclusions: pCONus2 is a useful device for wide-neck bifurcation aneurysms embolization. In Mexico our experience is yet limited; however, the first cases have been successful. Furthermore, we showed the first cases treated using jailing technique. Much more cases are required in order to carry out a statistically conclusive analysis and to establish the effectiveness and safety of the device., (© 2023 Revista Médica del Instituto Mexicano del Seguro Social.)

Objective: To evaluate the degree of incomplete revascularization in patients with multiarterial coronary artery disease who underwent percutaneous coronary intervention (PCI) or coronary artery bypass surgery (CABG) using the Syntax revascularization index (SRI) and its relationship to major cardiovascular events during follow-up., Materials and Methods: Observational, retrospective study with 4-year follow-up of patients with multiarterial coronary artery disease who underwent surgical or percutaneous coronary revascularization, in whom the baseline Syntax score (SSb) and the residual Syntax score (SSr) were calculated. The Syntax Revascularization Index (SRI) was determined with the following formula: SRI = (1- [SSr/SSb]) x 100, and major cardiovascular events at 4-year follow-up were compared., Results: Two hundred patients (100 in each group) were evaluated. Mean SSr in group 1 was 83.2%, and in group 2, 79.0% (p=0.88). Mean complete revascularization was 41% in the first group and 35% in the second. A cutoff point of ≤90% of IRS had the best accuracy for predicting major cardiovascular events (area under the curve of 0.60; 95% CI: 0.49-0.71, p<0.05). In multivariate analysis IRS was an independent predictor of major cardiovascular events (HR 2.6; 95%CI: 1.32-3.22, p= 0.043)., Conclusions: The Syntax Revascularization Index may be useful for measuring the degree of revascularization in patients with multiarterial coronary artery disease treated percutaneously or surgically. An SRI ³90% may be an acceptable target for revascularization ., Competing Interests: Conflictos de interés: Los autores declaran no tener ningún conflicto de interés.

Objective: To evaluate adherence and quality of life to oral antineoplastic treatment in patients with chronic lymphocytic leukemia. To compare adherence and quality of life according to treatment subgroups and treatment-line subgroups., Methods: We conducted a descriptive prospective study from June to November 2021 in a tertiary care hospital.  Patients with chronic lymphocytic leukaemia, seen at the Oncology Pharmacy and treated with oral antineoplastic drugs for at least 6 months prior to inclusion in the study were included. Adherence was assessed using Morisky's 8 item Medication Adherence Scale and leftover pills counts, considering adherents if their adherence rate was ≥90%. Quality of life was assessed with Euro-Qol EQ-5D-3L questionnaire, Functional Assessment of Chronic Illness Therapy - Fatigue scale and QLQ-C30 questionnaire from European Organization for Research and Treatment of Cancer. Two interviews were scheduled: at the time of inclusion and at 3 months. The clinical history was reviewed and demographic and clinical variables were collected. The data statistical analysis was carried out with SPSS® 25.0 software., Results: Twenty three patients were included, all of them showed an adherence rate higher than 90%; 20 patients were considered high adherent, and 3 patients médium adherent to treatment according to Morisky's 8 item Medication Adherence Scale. The results of the EQ-5D-3L questionnaire showed that the patients were all of them autonomous in their personal care and daily activities, 69.6% did not have any mobility problems and 78.3% did not have anxiety/depression; 56.5% had some type of pain. Eighteen patients had no fatigue, and 5 had mild/moderate fatigue according to Functional Assessment of Chronic Illness Therapy - Fatigue scale. The results of the EORTC QLQ-C30 questionnaire showed that patients had a high /healthy functional level, a good quality of life and a low level of symptoms. Analysis by treatment subgroups and by treatment-line subgroups did not show statistically significant differences in adherence or quality of life., Conclusions: Patients diagnosed with chronic lymphocytic leukemia and treated with oral antineoplastic therapies showed a high adherence rate and referred a good quality of life., Competing Interests: Conflict of interest María Ángeles Gil Lemus is a member of an advisory board sponsored by Takeda. Lucrecia.Yáñez San Segundo serves on advisory panels and participates in training activities, conferences and expert panels sponsored by Janssen, Astrazeneca, Beigene, Lilly, Abbvie, Gilead and Roche. Carlos Antonio Amado Diago does advisory work for Fresenius and participates in training activities and conferences sponsored by Faes Farma., (Copyright © 2022 Sociedad Española de Farmacia Hospitalaria (S.E.F.H). Publicado por Elsevier España, S.L.U. All rights reserved.)

Background and Aims: Triglycerides are the initiators of the metabolic changes that lead to atherogenic dyslipidemia (AD). The APOA5 and APOA1 genes are involved in the response and metabolism of serum lipids and lipoproteins, where single nucleotide polymorphisms (SNP) rs662799 (promoter region) and rs5070 (intronic region) have been associated with the susceptibility to dyslipidemia. Until now, few studies evaluate the association of these polymorphisms with the presentation of hypertriglyceridemia and AD among Mexican children. Therefore, the objective was to determine the association between rs662799 and rs5070 with hypertriglyceridemia and AD in a pediatric population of southeastern Mexico., Materials and Methods: A case-control analysis was performed including 268 infants aged 2-16 years, anthropometric, clinical variables, and serum lipid profiles were analyzed. DNA was extracted from blood samples and genotyping of polymorphisms was executed with the TaqMan SNP genotyping assay. Allele and genotypic frequencies were calculated. For genetic association analysis, logistic regression models were fitted according to models of inheritance., Results: The SNP rs662799 (C) was significantly associated with hypertriglyceridemia in the overdominant model (OR=3.89, p=0.001) and AD in the dominant model (OR=4.01, p=0.001). The SNP rs5070 (T) has a protective effect against hypertriglyceridemia in the additive risk model (OR=0.68, p=0.03)., Conclusion: Polymorphism rs662799 was significantly associated with cases of hypertriglyceridemia and AD in minors in southeastern Mexico. On the other hand, rs5070 polymorphism was not associated with cases of hypertriglyceridemia or AD., (Copyright © 2022 Sociedad Española de Arteriosclerosis. Publicado por Elsevier España, S.L.U. All rights reserved.)

Objective: To evaluate adherence and quality of life to oral antineoplastic treatment in patients with chronic lymphocytic leukemia. To compare adherence and QoL according to treatment subgroups and treatment-line subgroups., Methods: We conducted a descriptive prospective study from June to November 2021 in a tertiary care hospital. Patients treated at the Oncology Pharmacy with a diagnosis of chronic lymphocytic leukemia and treatment with oral antineoplastics for at least 6 months before inclusion in the study were included. Adherence was assessed using Morisky's 8 item Medication Adherence Scale and leftover pills counts, considering adherents if their adherence rate was ≥ 90%. Quality of life was assessed with Euro-Qol EQ-5D-3L questionnaire, Functional Assessment of Chronic Illness Therapy - Fatigue scale and QLQ-C30 questionnaire from European Organization for Research and Treatment of Cancer. Two interviews were scheduled: at the time of inclusion and at 3 months. Variable collected: demographic data, clinical data (disease and treatment); and response (scores obtained from questionnaires and adherence rate). The data statistical analysis was carried out with SPSS® 25.0 software., Results: Twenty three patients were included, all of them showed an adherence rate higher than 90%; 20 patients were considered high adherent, and 3 patients medium adherent to treatment according to Morisky's 8 item Medication Adherence Scale. The results of the EQ-5D-3L questionnaire showed that the patients were all of them autonomous in their personal care and daily activities, 69.6% did not have any mobility problems and 78.3% did not have anxiety/depression; 56.5% had some type of pain. Eighteen patients had no fatigue, and 5 had mild/moderate fatigue according to Functional Assessment of Chronic Illness Therapy - Fatigue scale. The results of the EORTC QLQ-C30 questionnaire showed that patients had a high /healthy functional level, a good quality of life and a low level of symptoms. Analysis by treatment subgroups and by treatment-line subgroups did not show statistically significant differences in adherence or quality of life., Conclusions: Patients diagnosed with chronic lymphocytic leukemia and treated with oral antineoplastic therapies showed a high adherence rate and referred a good quality of life., (Copyright © 2022 Sociedad Española de Farmacia Hospitalaria (S.E.F.H). Publicado por Elsevier España, S.L.U. All rights reserved.)

Type two diabetes mellitus (T2DM) is characterized by a chronic inflammation status. Altered markers such as lipid concentrations are usually found in this disease. Elevated inflammation markers have been described such as cytokines (interleukin 6, tumour necrosis factor-alpha, and IL-8). However, there is a lack of information about the behaviour of the neutrophil-lymphocyte ratio (NLR), platelet-lymphocyte ratio (PLR), lymphocyte-monocyte ratio (LMR), lipid coefficients, and atherogenic index in T2DM., Objective: To describe the atherogenic and inflammation parameters in a group of patients with T2DM., Materials and Methods: 42 patients with T2DM were included, all patients were surveyed on clinic history (disease history, comorbidity, smoking, and other relevant variables), measurements of haematological, biochemical, and anthropometric parameters were taken and atherogenic coefficients and inflammation ratios were calculated., Results: Inflammation markers such as interleukin 6 and 8, necrosis tumour factor, and NLR were elevated. Of the patients, 88% were classified as high risk according to the atherogenic index. Former smokers had lower levels of IL-8 and higher NLR than non-smokers., Conclusion: The atherogenic and inflammation markers such as atherogenic index, IL-8, and NLR make it possible to identify a subgroup of patients that are at risk of severe complications and mortality., (Copyright © 2021 Sociedad Española de Arteriosclerosis. Publicado por Elsevier España, S.L.U. All rights reserved.)

Objectives: We evaluated the prevalence of 25-hydroxyvitamin D (25-(OH)D) deficiency in our setting according to season, sex, and age. We also studied the association with parathyroid hormone (PTH) levels., Methods: The study population comprised all patients with requests for assessment of 25-(OH)D between January 1 and December 31, 2018, as registered in the database of the laboratory information system. Major exclusion criteria were pediatric samples (<18 years) and factors affecting 25-(OH)D and/or PTH levels (i.e., kidney injury, liver disease, PTH disorders)., Results: Among 33,601 patients (24,028 women, 9,573 men), the prevalence of 25-(OH)D deficiency was 48%. Prevalence was greater in males than in females (53% vs. 46%). By age group, deficiency was more prevalent in quartile 1 (Q1, 74-87 years) and less prevalent in quartile 2 (Q2, 60-73 years). By season, deficiency was greater in spring (nonsignificant differences with respect to winter) and lower in summer. The association between 25-(OH)D and PTH was assessed in 9,368 persons. Linear regression analysis showed a weak association (coefficient - 0.303). Multiple logistic regression analysis revealed a significant association between 25-(OH)D deficiency and increased PTH (Odds ratio (OR), 1.63). Other risk factors for increased PTH include female sex (OR, 1.27), season (winter, OR 1.63, spring OR 1.16), and age (quartile 1, OR, 3)., Conclusions: The prevalence of 25-(OH)D deficiency differed according to sex, age, and season of the year. Furthermore, elevation of PTH is mainly influenced by low 25-(OH)D, female sex, season, and age., Competing Interests: Competing interests: Authors state no conflict of interest., (© 2021 Alejandro José Ravelo Marrero et al., published by De Gruyter, Berlin/Boston.)

Objective: The health crisis caused by COVID-19 has had an economic impact at all levels and the labor market has been shaken by the pandemic. Companies have had to adapt to new work models and have had to decide between face-to-face, teleworking, or mixed models without conclusive scientific evidence on the impact on transmission. To determine the change in the risk of SARS-CoV-2 infection and the development of disease associated with the performance of blended work with respect to remote work and the general population in a non-healthcare company while respecting the measures of social distancing, use of masks and hand hygiene., Methods: Observational ecological study followed by a retrospective cohort study. Data were collected on the total daily cases and incidence of COVID-19 between September 1, 2020 and April 30, 2021 from the population of a non-healthcare company and the reference population of the Community of Madrid. Analysis was also performed in two 30-day periods on the same population differentiated by the existence of fully remote or blended work. The statistical analysis was performed by determining the Chi 2 distribution (χ 2 ) and calculating the Odds Ratio (OR)., Results: The average number of employees during the study period was 642 (30.55% women). The reference population was 6,745,591 people (52.16% women). The number of people aged between 20 and 69 years was 4,520,116 (51.67% women). The incidence in the period (Ip) in the study population was 9.5%. The Ip in the Community of Madrid was 7.81%. No statistical differences were found OR 1.23 (95% CI 0.95-1.61) χ 2 =2.55 p-value 0.11. Ip in the population of the Community between 20 and 69 years was 8.84% OR 1.08 (95% CI 0.83-1.41) χ 2 =0.35 p-value 0.556. In the comparison performed in the study population, no statistically significant differences were found between both periods OR 0.59 (IC95% 0.26-1.37) χ 2 =1.53 p-value 0.216., Conclusions: Based on the data analyzed, we found no statistically significant evidence to show that performing semi-distance work with security measures in a non-healthcare company increases the risk of SARS-CoV-2 infection and the development of disease., Competing Interests: Disclosure The authors report no conflicts of interest in this work.

Objective: The purpose of this study was to compare the porosity characteristics of Portland cement, mineral trioxide aggregate (MTA) Angelus® and Biodentine Septodont® by scanning electron microscopy., Materials and Methods: Cements were prepared according to the manufacturer's instructions and packed in cylindrical polyethylene tubes with an internal diameter of 10 mm and a height of 5 mm. The porosity of the samples was analyzed using scanning electron microscopy. Statistical analyses were performed using the Kruskall Wallis test. The level of significance was established at 0.05., Results: The largest size mean diameter valus was found with Portland cement (11.07). There were significant differences between the mean pore diameters (p = 0.05). MTA Angelus® had the largest number of pores, followed by Biodentine Septodont®, and finally, Portland. There were no significant differences in the pores of the three cements (p = 0.09)., Conclusion: The results of this comparative analysis of endodontic cements showed that Portland cement has a larger pore diameter than MTA Angelus® and Biodentine Septodont®, demonstrating that these latter two cements present better resistance and permeability properties, and thereby prevent microleakage., Competing Interests: Potenciales conflictos de interés: Los autores declaran no tener conflicto de intereses

COVID-19 to date has caused hundreds of thousands of deaths in the world, becoming one of the worst pandemics in history. It all started in the People's Republic of China and quickly spread to the rest of the world. In this article, we seek to characterize the epidemiological situation of COVID-19 in Cuba during the first 80 days. For this article, we used observation and both quantitative and qualitative methods to collect data. We relied on statistical methodologies to validate the research. The study covered the days between March 11 and May 29, 2020. We analyzed the daily reports published by the Cuban Ministry of Public Health, this ministry's official website, and Cubadebate. Until May 29, the fifteen provinces of our country and the special municipality of Isla de la Juventud had confirmed positive cases, while the epicenter of the epidemic was the province of Havana. The coronavirus pandemic is a considerable challenge for the whole of Cuban society. A free health system, an inclusive social regime, and extensive experience in fine-tuning policies were some of Cuba's main strengths in facing the negative impact of the COVID-19 pandemic.

Chronic coronary syndrome (SCC) previously known as stable coronary disease, is the main cause of mortality in the world, and it is one of the most important in Peru. This pathology has a dynamic nature that results in different clinical scenarios that can be modified through various therapeutic options, one of which is coronary interventional treatment, mainly in patients with high ischemic risk defined as ischemia greater than 10% of the entire left ventricular mass. For this reason, we have analyzed the most relevant and current information available, concluding that the treatment of high ischemic risk´s chronic coronary syndrome, after an individual evaluation, would correspond to an invasive management from the beginning, although it would not impact on mortality or cardiovascular events, it would contribute to improve quality of life; also we should consider the incomplete availability of all the therapeutic options for the symptomatic management of this disease, the limited access to the management of acute cardiovascular events in our country, as well as the risk of adverse effects and drug interactions., Competing Interests: Conflictos de interés: Los autores declaran no tener ningún conflicto de interés.

Introduction: Introduction: thickeners are widely used in swallowing disorders, both for diagnosis and to achieve a safe and effective diet. Recently, products composed of gums have been commercialized in the Spanish market in order to improve the organoleptic and physical qualities of thickened foods. Objective: to compare thickening agents of clinical scope marketed in Spain, and to verify their organoleptic and physical characteristics, to be used in the diagnostic procedures and the feeding of patients with dysphagia. Method: the organoleptic (appearance, colour, smell, taste, aftertaste) and physical (solubility, stability) properties of eight thickeners (4 classic starch-based and 4 new gum-based) were assessed in a sample of 44 healthy subjects. In addition, their usefulness in diagnostic tests was studied by mixing them with dyes and water-soluble contrasts. Results and conclusions: new-generation thickeners, based on gums, generally obtain better scores for their physical and organoleptic qualities than conventional thickeners. Starch thickeners are more suitable for diagnostic tests, as gum thickeners present some peculiarities in their mixtures with dyes and contrasts that must be taken into account in diagnostic tests.