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SUMMARY OBJECTIVE: The purpose of this study was to investigate the details of minor complications of carotid artery stenting in a developing country. METHODS: This was a retrospective, single-center study conducted on the target group consisting of 65 symptomatic patients who underwent carotid artery stenting. We assessed technical success rate, periprocedural complication within 30 days (hypotension, bradycardia, acute kidney injury, vasospasm, a transient ischemic attack, stroke, myocardial infarction, and death), and the differences between groups with and without complications. RESULTS: Minor periprocedural complications occurred in 15 patients. In all, 8 (12.3%) had transient hypotension, 6 (9.2%) had bradycardia, 7 (10.7%) had acute kidney injury, 2 (3.1%) had vasospasm, and 1 (1.5%) had transient ischemic attack. A greater rate of minor complications was observed in women (p=0.051). CONCLUSION: The results of the carotid artery stenting procedures performed in a developing country were acceptable.

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SUMMARY OBJECTIVE: The aim of the present study was to evaluate the outcomes of cirrhotic patients undergoing transjugular intrahepatic portosystemic shunt. METHODS: A retrospective longitudinal observational study was carried out evaluating 38 cirrhotic patients undergoing transjugular intrahepatic portosystemic shunt. The outcomes were evaluated in an outpatient follow-up period of 3 months. The assumed significance level was 5%. RESULTS: The indications for transjugular intrahepatic portosystemic shunt were refractory ascites in 21 (55.3%), variceal hemorrhage in 13 (34.2%), and hydrothorax in 4 (10.5%) patients. There was development of hepatic encephalopathy in 10 (35.7%) patients after transjugular intrahepatic portosystemic shunt. From the 21 patients with refractory ascites, resolution was observed in 1 (3.1%) patient, and in 16 (50.0%) patients, there was ascites control. Regarding transjugular intrahepatic portosystemic shunt after variceal bleeding, 10 (76.9%) patients remained without new bleeding or hospitalizations in the follow-up period. The global survival in the follow-up period in patients with and without hepatic encephalopathy was 60 vs. 82%, respectively (p=0.032). CONCLUSION: Transjugular intrahepatic portosystemic shunt can be considered in decompensated cirrhotic patients; however, the development of hepatic encephalopathy which can shorten survival should be focused.

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SUMMARY OBJECTIVE: This study aimed to investigate the extension of labral tears associated with paraglenoid labral cysts by magnetic resonance arthrography. METHODS: The magnetic resonance and magnetic resonance arthrography images of patients with paraglenoid labral cysts who presented to our clinic between 2016 and 2018 were examined. In patients with paraglenoid labral cysts, the location of the cysts, the relation between the cyst and the labrum, the location and extent of glenoid labrum damage, and whether there was contrast medium passage into the cysts were investigated. The accuracy of magnetic resonance arthrographic information was evaluated in patients undergoing arthroscopy. RESULTS: In this prospective study, a paraglenoid labral cyst was detected in 20 patients. In 16 patients, there was a defect in the labrum adjacent to the cyst. Seven of these cysts were adjacent to the posterior superior labrum. In 13 patients, there were contrast solution leak into the cyst. For the remaining seven patients, no contrast-medium passage was observed in the cyst. Three patients had sublabral recess anomalies. Two patients had rotator cuff muscle denervation atrophy accompanying the cysts. The cysts of these patients were larger compared to those of the other patients. CONCLUSION: Paraglenoid labral cysts are frequently associated with the rupture of the adjacent labrum. In these patients, symptoms are generally accompanied by secondary labral pathologies. Magnetic resonance arthrography can be successfully used not only to demonstrate the association of the cyst with the joint capsule and labrum, but also to reliably demonstrate the presence and extension of labral defects.

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SUMMARY OBJECTIVE: The aim of this study was to evaluate the performance of the Charlson Comorbidity Index ≥2, in-hospital onset, albumin <2.5 g/dL, altered mental status, Eastern Cooperative Oncology Group performance status ≥2, steroid use score in predicting mortality in patients with nonvariceal upper gastrointestinal bleeding and compare it with the Glasgow-Blatchford score; the albumin, international normalized ratio; alteration in mental status, systolic blood pressure, and age 65 score; the age, blood tests, and comorbidities score; and Complete Rockall score. METHODS: The data of patients with acute upper gastrointestinal bleeding who visited the emergency department during the study period were obtained from the hospital automation system by using the classification of disease codes and analyzed in this retrospective study. Adult patients with endoscopically confirmed nonvariceal upper gastrointestinal bleeding were included in the study. Patients with bleeding from the tumor, bleeding after endoscopic resection, or missing data were excluded. The prediction accuracy of the Charlson Comorbidity Index ≥ 2, in-hospital onset, albumin < 2.5 g/dL, altered mental status, Eastern Cooperative Oncology Group performance status ≥ 2, steroid use score was calculated using the area under the receiver operating characteristic curve and compared with that of Glasgow-Blatchford score, the albumin, international normalized ratio; alteration in mental status, systolic blood pressure, and age 65 score, the age, blood tests, and comorbidities score, and Complete Rockall score. RESULTS: A total of 805 patients were included in the study, and the in-hospital mortality rate was 6.6%. The performance of the Charlson Comorbidity Index ≥ 2, in-hospital onset, albumin < 2.5 g/dL, altered mental status, Eastern Cooperative Oncology Group performance status ≥ 2, steroid use score (area under the receiver operating characteristic curve 0.812, 95%CI 0.783–0.839) was better than Glasgow-Blatchford score (area under the receiver operating characteristic curve 0.683, 95%CI 0.650–0.713, p=0.008), and similar to the the age, blood tests, and comorbidities score (area under the receiver operating characteristic curve 0.829, 95%CI 0.801–0.854, p=0.563), the albumin, international normalized ratio; alteration in mental status, systolic blood pressure, and age 65 score (area under the receiver operating characteristic curve 0.794, 95%CI 0.764–0.821, p=0.672), and Complete Rockall score (area under the receiver operating characteristic curve 0.761, 95%CI 0.730–0.790, p=0.106). CONCLUSION: The performance of the Charlson Comorbidity Index ≥ 2, in-hospital onset, albumin < 2.5 g/dL, altered mental status, Eastern Cooperative Oncology Group performance status ≥ 2, steroid use score in predicting in-hospital mortality for our study population is better than Glasgow-Blatchford score and similar to the the age, blood tests, and comorbidities score, the albumin, international normalized ratio; alteration in mental status, systolic blood pressure, and age 65 score, and Complete Rockall score.

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SUMMARY OBJECTIVE: The identification of factors that influence a favorable antituberculosis treatment outcome could be of great use for the promotion of specific health actions to increase the success rate. Thus, the objective of this study was to investigate the factors affecting successful antituberculosis treatment in patients seen at a reference service in the Western region of São Paulo State/Brazil. METHODS: A retrospective study was carried out from 2010 to 2016 based on the data obtained from the Notification Disease Information System of TB patients treated at a reference service in Brazil. The study included patients with treatment outcomes and excluded those from the penitentiary system or with resistant or multidrug-resistant TB. Patients were categorized as having a successful (cured) or unsuccessful (treatment default and death) treatment outcome. The association between TB treatment outcomes and social and clinical factors was analyzed. RESULTS: A total of 356 cases of TB were treated between 2010 and 2016. Among the cases, the majority were cured and the overall treatment success rate was 85.96%, with a range between 80.33% (2010) and 97.65% (2016). After the exclusion of resistant/multidrug-resistant TB, 348 patients were analyzed. In the final logistic regression model analysis, education less than 8 years (OR 1.66; p<0.0001) and people living with human immunodeficiency virus/acquired immunodeficiency syndrome (OR 0.23; p<0.0046) were found to be significantly related to an unfavorable treatment outcome. CONCLUSION: Low education and being a person living with human immunodeficiency virus/acquired immunodeficiency syndrome are vulnerability factors that can affect the successful outcome of antituberculosis treatment.

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SUMMARY OBJECTIVE: The purpose of this study was to investigate the relationship between psychological inflexibility, depression, anxiety, and quality of life in patients with chronic tinnitus without hearing loss. METHODS: The study was carried out involving 85 patients with chronic tinnitus without hearing loss and a control group of 80 individuals. All participants completed the Acceptance and Action Questionnaire-II, the State-Trait Anxiety Inventory-Trait, the Beck Depression Inventory, and Short Form-36. RESULTS: The patient group exhibited higher Acceptance and Action Questionnaire-II (t=5.418, p<0.001), State-Trait Anxiety Inventory-Trait (t=6.592, p<0.001), and Beck Depression Inventory (t=4.193, p<0.001) scores and lower physical component summary (t=4.648, p<0.001) and mental component summary (t=-5.492, p<0.001) scores than the control group. Psychological inflexibility predicted depression, anxiety, and impairment of quality of life. The effect of psychological inflexibility on physical component summary was mediated by depression (β=−0.15, [95%CI −0.299 to −0.017]), while its effect on mental component summary was mediated by anxiety and serial anxiety and depression (β=−0.17 [95%CI −0.344 to −0.055] and β=−0.06 [95%CI −0.116 to −0.100], respectively). CONCLUSION: Psychological inflexibility plays an important role in patients with chronic tinnitus without hearing loss. It is associated with increased levels of anxiety and depression and decreased quality of life.

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SUMMARY OBJECTIVE: The purpose of this study was to evaluate monocyte count and high-density lipoprotein cholesterol levels and their ratio (monocyte/high-density lipoprotein ratio) in patients with deep venous thrombosis as well as to determine whether this ratio at the time of diagnosis can be an indicator of thrombus burden in terms of thrombus location in deep venous thrombosis. METHODS: We retrospectively analyzed the patient's diagnosis of deep venous thrombosis confirmed with venous Doppler ultrasound, using a database query for outpatients between 2018 and 2022. Of 378 patients included, blood count results at the time of diagnosis were available for 356. We recruited 300 age- and sex-matched patients with appropriate blood counts, without a diagnosis of deep venous thrombosis, as the control group, by querying the outpatient clinic database. The monocyte/high-density lipoprotein ratio was computed from the ratio of monocyte count to high-density lipoprotein-C. Patients were categorized based on the level of thrombus and the number of vein segments involved as evidenced by Doppler ultrasound findings. RESULTS: The serum level of monocyte/high-density lipoprotein ratio was significantly higher in the patient group compared to the control group (p<0.01). Patients with proximal deep venous thrombosis had a higher mean monocyte/high-density lipoprotein ratio (19.6±5.1 vs. 17.1±5.5; p<0.01) than patients with distal deep venous thrombosis. Monocyte/high-density lipoprotein ratio increased with the number of vein segments involved (p<0.01). CONCLUSION: Monocyte/high-density lipoprotein ratio is significantly elevated in patients with deep venous thrombosis when compared to the control group. Monocyte/high-density lipoprotein ratio levels were correlated with disease burden reflected by thrombus location and the number of vein segments involved in deep venous thrombosis patients.

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SUMMARY OBJECTIVE: In this article, we investigated the association of chromogranin A with coronary artery disease. METHODS: Biochemical parameters and chromogranin A levels obtained from peripheral blood samples during coronary angiography were analyzed in 90 patients. Patients were classified into two groups, namely, SYNergy between PCI with TAXUS and Cardiac Surgery score ≥1 (n=45) and SYNergy between PCI with TAXUS and Cardiac Surgery score=0 (n=45). This is a cross-sectional, prospective study. RESULTS: Serum chromogranin A levels were significantly higher in the group with SYNergy between PCI with TAXUS and Cardiac Surgery score ≥1 compared to the group with SYNergy between PCI with TAXUS and Cardiac Surgery score=0 (1381.5±418.9 ng/mL and 1121.2±290.7 ng/mL, respectively; p=0.002). Serum chromogranin A levels were correlated with SYNergy between PCI with TAXUS and Cardiac Surgery score (r=0.556, p<0.04). ROC analysis showed that the area under the curve for serum chromogranin A levels was 0.687 (p=0.007), and the best cutoff value of 1,131 ng/mL had a sensitivity of 67% and a specificity of 65% for the prediction of coronary artery disease. CONCLUSION: Serum chromogranin A levels were increased in coronary artery disease patients with SYNergy between PCI with TAXUS and Cardiac Surgery score ≥1. Increasing serum chromogranin A levels are proportional to the SYNergy between PCI with TAXUS and Cardiac Surgery score.

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SUMMARY OBJECTIVES: The coronavirus disease pandemic has become a major global health crisis since 2019. Recent data show the association of diabetes, hypertension, and obesity with poor related outcomes in coronavirus disease infection. This descriptive study aimed to identify the clinical and laboratory parameters in patients with acute respiratory syndrome and confirmed severe acute respiratory syndrome coronavirus 2 infection. METHODS: In this cross-sectional study, we analyzed data of 409 patients admitted to a referral hospital in Rio Grande do Sul, Brazil, with coronavirus disease infection confirmed by reverse transcription polymerase chain reaction. Clinical, laboratory, and imaging data were collected retrospectively from electronic medical records using a template with the variables of interest. RESULTS: The average age was 64 years (52–73), and the body mass index was 27 kg/m² (22.1–31.2). Hypertension, diabetes, and obesity were observed in 58, 33, and 32% of the patients, respectively. Patients admitted to an intensive care unit were older [66 years (53–74) vs. 59 years (42.2–71.7)], with significantly higher impairment on chest computed tomography [75% (50–75) vs. 50% (25–60)] and received higher doses of corticosteroid therapy [39.4 mg (14.3–70.3) vs. 6 mg (6–14.7)]. Hematological parameters were lower in critically ill patients, with greater differences observed on the fifth day of hospitalization [hemoglobin 11.5 g/dL (9.5–13.1) vs. 12.8 g/dL (11.5–14.2), platelets 235,000 μL (143,000–357,000) vs. 270,000 μL (192,000–377,000), and lymphocytes 900 μL (555–1,500) vs. 1,629 μL (1,141–2,329)]. C-reactive protein levels and kidney function were also worse in intensive care unit patients. The mortality rate was significantly higher in the intensive care unit compared to the basic care unit (62.8 vs. 12.2%). CONCLUSION: Our findings suggest that metabolic and cardiovascular comorbidities, as well as abnormal hematological parameters, are common findings among patients with severe respiratory syndrome related to coronavirus disease.

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SUMMARY OBJECTIVE: COVID-19 has brought emerging public health emergency and new challenges. It configures a complex panorama that has been requiring a set of coordinated actions and has innovation as one of its pillars. In particular, the use of digital tools plays an important role. In this context, this study presents a screening algorithm that uses a machine learning model to assess the probability of a diagnosis of COVID-19 based on clinical data. METHODS: This algorithm was made available for free on an online platform. The project was developed in three phases. First, an machine learning risk model was developed. Second, a system was developed that would allow the user to enter patient data. Finally, this platform was used in teleconsultations carried out during the pandemic period. RESULTS: The number of accesses during the period was 4,722. A total of 126 assistances were carried out from March 23, 2020, to June 16, 2020, and 107 satisfaction survey returns were received. The response rate to the questionnaires was 84.92%, and the ratings obtained regarding the satisfaction level were higher than 4.8 (on a 0–5 scale). The Net Promoter Score was 94.4. CONCLUSION: To the best of our knowledge, this is the first online application of its kind that presents a probabilistic assessment of COVID-19 using machine learning models exclusively based on the symptoms and clinical characteristics of users. The level of satisfaction was high. The integration of machine learning tools in telemedicine practice has great potential.

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SUMMARY OBJECTIVE: Midwifery services are a cornerstone of maternal care but the trait creativity of midwifery students is unclear. The aim of this study was to assess trait creativity among midwives in Taizhou, China. METHODS: A cross-sectional online survey among midwives was conducted from July 20 to August 10, 2022. Trait creativity was assessed using the Williams Creativity Assessment Packet. RESULTS: A total of 300 survey respondents were studied. The mean scores for the imagination dimension (p=0.032) and the risk-taking dimension (p=0.049) differed across major groups. We further compared the scores of trait creativity dimensions after excluding male participants. Midwifery students only scored lower on the specific imagination dimension (p=0.024). CONCLUSION: The imagination level of midwifery students certainly deserves further attention. Education workers should pay more attention to the imagination of midwifery students.

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SUMMARY OBJECTIVE: Hashimoto's thyroiditis, also known as chronic lymphocytic thyroiditis or autoimmune thyroiditis, is a considerable part of the spectrum of chronic autoimmune thyroid gland disorders which is pathologically associated with various degrees of lymphocytic infiltration. The purpose of the present study was to evaluate whether cartilage thickness is affected in patients with Hashimoto's thyroiditis or not in thyroidology. METHODS: A total of 61 individuals had been evaluated in this case-control study, including 32 euthyroid Hashimoto's thyroiditis patients and 29 healthy subjects comparable in age, sex, and body mass index. The patients with a history of knee trauma or knee surgery, an additional systemic disease such as diabetes mellitus, or an inflammatory disease like rheumatoid arthritis, systemic lupus erythematosus, and scleroderma had not been included in the study. The thickness of the femoral articular cartilage was measured using B-mode ultrasonography, and the right lateral condyle, right intercondylar area, right medial condyle, left medial condyle, left intercondylar area, and left lateral condyle were also measured. RESULTS: No statistically significant difference between patients with Hashimoto's thyroiditis diagnosis and healthy controls in terms of age, age groups, gender, and body mass index (p>0.05). CONCLUSION: As a consequence, no obvious connection between autoimmune markers and cartilage thickness in patients with Hashimoto's thyroiditis was recognized. Although the diverse manifestation of Hashimoto's thyroiditis could be observed, it seems to be no liaison between thyroid autoimmunity and cartilage thickness.

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SUMMARY OBJECTIVE: The objective of this study was to evaluate the right ventricular myocardial performance index) based on echocardiography in very low birth weight premature neonates, close to hospital discharge. METHODS: This was a prospective cross-sectional study that included premature neonates with birth weight <1,500 g and gestational age <37 weeks at the Intermediate Neonatal Unit of Bonsucesso Federal Hospital from July 2005 to July 2006. The infants underwent two-dimensional color Doppler echocardiography, being the right ventricular myocardial performance index evaluated close to hospital discharge. We compared the neonatal and echocardiographic variables in neonates with and without bronchopulmonary dysplasia. RESULTS: A total of 81 exams were analyzed. The mean birth (standard deviation) weight and gestational age were 1,140 (235) g and 30 (2.2) weeks, respectively. The incidence of bronchopulmonary dysplasia was 32%. The mean right ventricle myocardial performance index (standard deviation) of the sample was 0.13 (0.06). We found a significant difference in aortic diameter [non-bronchopulmonary dysplasia 0.79 (0.07) vs. bronchopulmonary dysplasia 0.87 (0.11) cm, p=0.003], left ventricle in diastole [non-bronchopulmonary dysplasia 1.4 (0.19) vs. bronchopulmonary dysplasia 1.59 (0.21) cm, p=0.0006], ventricular septal thickness [non-bronchopulmonary dysplasia 0.23 (0.03) vs. bronchopulmonary dysplasia 0.26 (0.05) cm, p=0.032], and “a” measurement [(= sum of the isovolumetric contraction time, ejection time, and isovolumetric relaxation time) when calculating the myocardial performance index (p=0.01)]. CONCLUSION: Higher “a” interval in neonates with bronchopulmonary dysplasia suggests right ventricle diastolic dysfunction. We conclude that the right ventricle myocardial performance index is an important indicator both of ventricular function and for serial follow-up testing of very low birth weight premature neonates, especially those with bronchopulmonary dysplasia.

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SUMMARY OBJECTIVE: In this study, we aimed to identify a microRNA expression signature that could be used to distinguish methamphetamine from control samples. We also utilized the existing bioinformatics tools in order to predict the candidate microRNAs that could play potential key roles in regulating drug addiction-related genes. METHODS: Methamphetamine samples from 21 ventral tegmental area and 21 nucleus accumbens samples and their control regions were obtained from the Council of Forensic Medicine (Istanbul). Quantitative analysis of let-7b-3p was studied using quantitative reverse transcription PCR. Statistical analysis was carried out using Student’s t-test. The receiver operating characteristic curves were plotted with Statistical Package for the Social Sciences (SPSS 20.0). RESULTS: Our quantitative reverse transcription PCR results revealed that let-7b-3p was significantly overexpressed in brain tissues of the methamphetamine-user group. Let-7b-3p had significant power to discriminate methamphetamine from control samples in the ventral tegmental area (AUC; 0.922) and nucleus accumbens (AUC; 0.899) regions. CONCLUSION: We have shown for the first time in the literature the differential expression of let-7b-3p in samples from methamphetamine-addicted individuals. We suggest that let-7b-3p could be a powerful marker for the diagnosis of methamphetamine addiction. Our results showed that differentially expressed let-7b-3p in methamphetamine users could be used as a diagnostic and therapeutic marker.

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SUMMARY OBJECTIVE: The purpose of this study was to assess exercise capacity, lung and physical function in COVID-19 survivors, and the association of lesion-level characteristics assessed by chest computed tomography, probable sarcopenia, and percentage of diffusing capacity of the lung for carbon monoxide with clinical and functional variables. METHODS: This study was conducted in Salvador, Bahia, Brazil. All patients had a laboratory-confirmed SARS-CoV-2 infection. The sociodemographic characteristics, COVID-19 exposure history, pulmonary function, computed tomography, and functionality of the participants between 1 and 3 months of diagnosis of the disease were collected. RESULTS: A total of 135 patients after COVID-19 recovery were included in this study. Probable sarcopenia, reduction in percentage of diffusing capacity of the lung for carbon monoxide, and a lower 6-min walk distance were observed after COVID-19 infection. Computed tomography>50% was associated with a longer length of stay and a lower percentage of diffusing capacity of the lung for carbon monoxide. Probable sarcopenia diagnosis was associated with a worse percentage of the predicted 6-min walk distance in relation to the predicted, absolute 6-min walk distance (m), percentage of diffusing capacity of the lung for carbon monoxide, and percentage of total lung capacity. CONCLUSION: Muscle disability and lung dysfunction are common in COVID-19 survivors. Hospitalization was associated with the worst muscle force and diffusing capacity of the lung for carbon monoxide. Computed tomography characteristics could be a marker of prolonged hospital stay after the acute phase of COVID-19. Additionally, the probable diagnosis of sarcopenia could be a marker of impact on walking distance. These results highlight the need for long-term follow-up of those patients and rehabilitation programs.

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SUMMARY OBJECTIVE: This study aimed to evaluate the effectiveness of skin appearance, striae gravidarum severity, and ultrasonographic “sliding sign” in predicting preoperative adhesions before repeat cesarean section delivery on the same patient and find the most useful one. METHODS: This was a prospective cohort study conducted on pregnant women with a history of cesarean section delivery. Davey's scoring system was used for stria evaluation. The scar was assessed using their visual appearance, and transabdominal ultrasonography was applied to detect sliding sign existence. Surgeons blinded to preoperative assessment graded the severity of intra-abdominal adhesions intraoperatively using Nair's scoring system. RESULTS: Of the 164 pregnant women with at least one previous cesarean section delivery, 73 (44.5%) had filmy or dense intra-abdominal adhesions. Statistically significant association was found between three groups regarding parity, previous cesarean number, scar appearance, total stria score, and sliding sign existence. Negative sliding sign had a likelihood ratio of 4.198 (95%CI 1.178–14.964) for the detection of intra-abdominal adhesions. Stria score and scar appearance were also valuable for detection adhesions with likelihood ratios of 1.518 (95%CI 1.045–2.205) and 2.405 (95%CI 0.851–6.796), respectively. After receiver operator characteristics curve analysis, striae score cutoff value in adhesion prediction was determined as 3.5. CONCLUSION: Stria score, scar appearance, and sliding sign are all significant predictors for intraperitoneal adhesions, and sliding sign, as an easy-to-apply, inexpensive, useful sonographic marker, is the most effective adhesion predictor before repeat cesarean section delivery compared to other known adhesion markers.

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SUMMARY OBJECTIVE: The aim of this study was to evaluate the impact of study methodology and evaluation type on the selection of studies during the presentation of scientific events. METHODS: A prospective, observational, transversal approach was applied to a cohort of studies that were submitted for presentation at the 2021 Brazilian Breast Cancer Symposium. Three forms of criteria (CR) were presented. CR1 was based on six criteria (method, ethics, design, originality, promotion, and social contribution); CR2 graded the studies from 0 to 10 for each study, and CR3 was based on five criteria (presentation, method, originality, scientific knowledge, and social contribution). To evaluate the item correlation, Cronbach’s alpha and factorial analysis were performed. For the evaluation of differences between the tests, we used the Kruskal-Wallis and post-hoc Dunn tests. To determine the differences in the study classifications, we used the Friedman test and Namenyi’s all-pairs comparisons. RESULTS: A total of 122 studies were evaluated. There was also a good correlation with the items concerning criterion 1 (α=0.730) and 3 (α=0.937). Evaluating CR1 methodology, study design and social contribution (p=0.741) represents the main factor and CR3 methodology, and the scientific contribution (p=0.994) represents the main factor. The Kruskal-Wallis test showed differences in the results (p<0.001) for all the criteria that were used [CR1-CR2 (p<0.001), CR1-CR3 (p<0.001), and CR2-CR3 (p=0.004)]. The Friedman test showed differences in the ranking of the studies (p<0.001) for all studies (p<0.01). CONCLUSION: Methodologies that use multiple criteria show good correlation and should be taken into account when ranking the best studies.

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SUMMARY OBJECTIVE: Mechanical damage resulting from aortic dissection creates a thrombus in the false lumen, in which platelets are involved. Platelet index is useful for the function and activation of platelets. The aim of this study was to show the clinical relevance of the platelet index of aortic dissection. METHODS: A total of 88 patients diagnosed with aortic dissection were included in this retrospective study. Demographic data and hemogram and biochemistry results of the patients were determined. Patients were divided into two groups: deceased and surviving patients. The data obtained were compared with 30-day mortality. The primary outcome was the relationship of platelet index with mortality. RESULTS: A total of 88 patients, 22 of whom were female (25.0%), diagnosed with aortic dissection, were included in the study. It was determined that 27 (30.7%) of the patients were mortal. The mean age of the entire patient group was 58±13 years. According to the DeBakey classification of aortic dissection of the patients, the percentages of the 1-2-3 type were determined as 61.4, 8.0, and 30.7%, respectively. Platelet index was not found to be directly related to mortality. Increase in age, decrease in bicarbonate value, and presence of diabetes mellitus were associated with mortality. CONCLUSION: Although there were no significant changes in platelet index in aortic dissection, neutrophil/lymphocyte ratio and platelet/lymphocyte ratio were found to be high in line with the literature. In particular, the presence of advanced age diabetes mellitus and decrease in bicarbonate are associated with mortality.

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SUMMARY OBJECTIVE: Tumor-to-skin distance is known to have an effect on axillary lymph node metastasis but has no clinical use with nomograms. This study aimed to investigate the effect of tumor-to-skin distance on axillary lymph node metastasis alone and in combination with nomogram for clinical use. METHODS: A total of 145 patients who underwent surgery for breast cancer (T1–T2 stage) and whose axillary lymph nodes were evaluated (axillary dissection or sentinel lymph node biopsy) between January 2010 and December 2020 were included in the study. Tumor-to-skin distance and other pathological data of the patients were evaluated. RESULTS: Of the 145 patients, 83 (57.2%) had metastatic lymph nodes in the axilla. Tumor-to-skin distance was different in terms of lymph node metastasis (p=0.045). In the receiver operating characteristic curve for tumor-to-skin distance, area under curve was 0.597 (95%CI 0.513–0.678, p=0.046), area under curve of the nomogram was 0.740 (95%CI 0.660–0.809), p<0.001) and nomogram+tumor-to-skin distance was 0.753 (95%CI 0.674–0.820), p<0.001). No statistical difference was found for axillary lymph node metastasis between the nomogram+tumor-to-skin distance and the nomogram alone (p=0.433). CONCLUSION: Although tumor-to-skin distance demonstrated a significant difference in axillary lymph node metastasis, it had a poor association with an area under curve value of 0.597 and did not produce a significant improvement in predicting lymph node metastasis when combined with the nomogram. The tumor-to-skin distance may be unlikely to enter clinical practice.

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SUMMARY OBJECTIVE: The aim of this study was to measure the reliability, internal consistency, and construct validity of the Kidney Symptom Questionnaire for the Brazilian population. METHODS: This is a cross-cultural adaptation and questionnaire validation study. We included native Brazilians of both sex aged>18 years, as well as hypertensive and/or diabetic patients. All participants were assessed using Screening for Occult Renal Disease, EuroQol 5 Dimensions, 36-Item Short Form Survey, and the Kidney Symptom Questionnaire. We used Spearman’s coefficient (rho) to measure the correlations between the Kidney Symptom Questionnaire and other instruments; Cronbach’s alpha to measure internal consistency; and intraclass correlation coefficient, standard error of measurement, and minimum detectable change to measure test-retest reliability. RESULTS: The sample was formed by 121 adult participants, mostly female, with systemic arterial hypertension and/or diabetes mellitus. We found excellent reliability (intraclass correlation coefficient≥0.978), adequate internal consistency (Cronbach’s alpha≥0.860), and adequate construct validity on the Kidney Symptom Questionnaire domains; besides, we observed significant correlations between the Kidney Symptom Questionnaire and other instruments. CONCLUSION: The Brazilian version of the Kidney Symptom Questionnaire has adequate measurement properties to assess chronic/occult kidney disease in patients who do not require renal replacement therapy.

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SUMMARY OBJECTIVE: The aim of this study was to evaluate the effects of obstetric simulation training on undergraduate medical students to improve their self-confidence. METHODS: Fifth-year undergraduate medical students were invited to a 2-week course of simulation in obstetrics during their clerkship. The sessions included were as follows: (1) care for the second and third periods of childbirth, (2) partograph analysis and pelvimetry, (3) premature rupture of membranes at term, and (4) diagnosis and management of third-trimester bleeding. Before the first session and at the end of the training period, a questionnaire about self-confidence in obstetric procedures and skills was applied. RESULTS: A total of 115 medical students were included, of whom 60 (52.2%) were male and 55 (47.8%) were female. Comparing initial and final scores, the median results of the subscales “comprehension and preparation” (18 vs. 22, p<0.001), “knowledge of procedures” (14 vs. 20, p<0.001), and “expectation” (22 vs. 23, p<0.01) were significantly higher at the end of the training period in all items of the questionnaire than in the beginning. Differences were found based on the students’ gender, i.e., female students had a significantly higher sum of scores than the male students in the initial subscale for “expectation” (median, 24 vs. 22, p<0.001) and “interest” (median, 23 vs. 21, p=0.032), and a higher sum of scores in the subscale for “expectation” (median, 23 vs. 21, p=0.010) in the final questionnaire. CONCLUSION: Obstetric simulation enhances the improvement of students’ self-confidence in understanding both the physiology of childbirth and the obstetric care procedures. Further studies are needed to understand the influence of gender on obstetric care.

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SUMMARY OBJECTIVE: This study aimed to assess physicians’ knowledge about human papillomavirus infection and its prevention. METHODS: Descriptive web-based survey with 15 objective questions targeted to physicians affiliated with the Regional Council of Medicine from Rio de Janeiro state, Brazil. Participants were invited by e-mail and the Council social networks, between January and December 2019. RESULTS: The study sample had 623 participants, with a median age of 45 years, predominantly women (63%). The most frequent specialties were Obstetrics and Gynecology (21.1%), Pediatrics (11.2%), and Internists (10.5%). Concerning human papillomavirus knowledge, 27.9% of the participants were able to identify accurately all possible forms of transmission, and none of them could recognize all the risk factors of infection. Nevertheless, 95% recognized that asymptomatic infection could occur in both sexes. Regarding knowledge about clinical manifestations, diagnosis, and screening, only 46.5% were able to identify all human papillomavirus-related cancers, 42.6% were aware of the periodicity of Pap smears, and 39.4% indicated that serological test was not adequate for diagnosis. The recommended age group for human papillomavirus vaccination was recognized by 94% of the participants, as well as the need for a Pap smear and the use of condoms, even after vaccination. CONCLUSIONS: There is good knowledge about prevention and screening for human papillomavirus infections; many gaps were identified regarding transmission, risk factors, and associated diseases among physicians in Rio de Janeiro state.

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SUMMARY OBJECTIVE: In patients who experience difficulties in oral feeding, alimentary intake can be supported by creating direct access into the stomach through a percutaneous endoscopic gastrostomy. The present study purposed to compare naïve and exchanged percutaneous endoscopic gastrostomy tubes in terms of Helicobacter pylori infection and other clinical characteristics. METHODS: A total of 96 cases who underwent naïve or exchanged percutaneous endoscopic gastrostomy procedures with various indications were incorporated into the study. The patients’ demographic data, such as age and gender, etiology of percutaneous endoscopic gastrostomy, anti-HBs status, Helicobacter pylori status, the presence of atrophy and intestinal metaplasia, biochemical parameters, and lipid profiles, had been analyzed. In addition, the anti-HCV and anti-HIV statuses had also been evaluated. RESULTS: The most common indication for percutaneous endoscopic gastrostomy placement was dementia in 26 (27.08%) cases (p=0.033). The presence of Helicobacter pylori positivity was significantly lower in the exchange group compared to the naïve group (p=0.022). Total protein, albumin, and lymphocyte levels were significantly higher in the exchange group compared to the naïve group (both p=0.001), and the mean calcium, hemoglobin, and hematocrit levels were statistically significantly higher in the exchange group (p<0.001). CONCLUSION: Preliminary outcomes of the present study revealed that enteral nutrition attenuates the incidence of Helicobacter pylori infection. Considering the acute-phase reactant, the significantly lower ferritin values in the exchange group suggest that there is no active inflammatory process in the patients and that immunity is sufficient.