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Mammographic Screening of Women Attending a Reference Service Center in Southern Brazil
Lopes, Tiara Cristina Romeiro,Gravena, Angela Andreia Franca,de Oliveira Demitto, Marcela,Brischiliari, Sheila Cristina Rocha,Borghesan, Deise Helena Pelloso,Agnolo, Catia Millene Dell,de Barros Carva Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.3
Background: To investigate the prevalence of and factors associated with performance of annual mammography by women above 40 years of age. Materials and Methods: This cross-sectional retrospective study was conducted at an oncology reference service in Southern Brazil from October 2013 to October 2014 with 525 women aged 40 years or older. Results: The prevalence of annual mammography was 54.1%; annual mammographic screening was performed for women without private medical insurance, who were under hormone replacement therapy and who had used contraception in the past. An association was found between non-performance of breast clinical and self-examination and non-performance of mammographic screening. Conclusions: Use of mammography for breast cancer screening in the public health care setting proved to be accessible; nevertheless, the proportion of screened women was low, and they exhibited poor adherence to the basic measures of care recommended for breast assessment. Thus, control of breast cancer requires implementing actions targeting the population most vulnerable to non-adherence to screening in addition to continuously monitoring and assessing that population to reduce the prevalence of this disease.
Intake, digestibility, and performance of lambs fed spineless cactus cv. Orelha de Elefante Mexicana
Lopes Levi Auto,Ferreira Marcelo de Andrade,Batista Ângela Maria Vieira,Maciel Michel do Vale,de Andrade Rodrigo Barbosa,Munhame Joana Albino,Silva Tomás Guilherme Pereira da,Cardoso Daniel Barros,Vér 아세아·태평양축산학회 2020 Animal Bioscience Vol.33 No.8
Objective: To evaluate the effects of the carmine cochineal-resistant spineless cactus genotypes cv. Orelha de Elefante Mexicana (Opuntia) and Miúda (Nopalea) on the intake and digestibility of nutrients, ingestive behavior, performance, and ultrasound measurements of growing lambs. Methods: Thirty-six male (non-castrated) Santa Inês lambs were used, with an average age of 6 months and an initial average weight of 22.0±2.9 kg. They were distributed in a completely randomized design with 3 treatments (Tifton hay, Nopalea and Opuntia) and 12 replications, using initial weight as a covariate. The experimental period was 86 days, with the first 30 days used for the adaptation of the animals to the facilities, diets and management, and the remaining 56 days used for evaluation and data collection. Results: The intake and apparent digestibility of dry matter (DM), organic matter (OM), crude protein (CP), neutral detergent fiber (NDF), total carbohydrates (TC), non-fibrous carbohydrates (NFC), and total digestible nutrients (TDN) showed a significant difference (p<0.05) as a function of the diets, with the Nopalea treatment (p<0.05) increasing DM intake (g/kg and % body weight [BW]), CP, TDN, and TC digestibility, whereas the Tifton hay diet led to a high (p<0.001) neutral detergent fiber corrected for ash and protein (NDFap) g/d intake, NDFap (BW %) and digestibility of said nutrient. There was no effect of treatments (p>0.05) on feeding time, however, rumination time and total chewing time were higher (p<0.05) for animals fed Tifton hay. The performance of the animals was similar (p>0.05). For the ultrasound measurements, Nopalea promoted an increase in the final loin eye area, compared to Tifton hay. Conclusion: The use of spineless cactus variety Miúda leads to the greater intake and digestibility of nutrients. The evaluated carmine cochineal-resistant spineless cactus genotypes are alternatives for semi-arid regions as they do not negatively affect the performance of growing lambs.
Lopes, M.F.P.,Paixao Conde, J.M.,Gomes, M. Gloria,Ferreira, J.G. Techno-Press 2010 Wind and Structures, An International Journal (WAS Vol.13 No.6
When designing structures to the wind action, the variation of the mean wind velocity and turbulence parameters with the height above the ground must be taken into account. This paper presents the numerical simulation results of atmospheric boundary layer (ABL) airflows, in a numerical domain with no obstacles and with a cubic building. The results of the flow characterization, obtained with the FLUENT CFD code were performed using the ${\kappa}-{\varepsilon}$ turbulence model with the MMK modification. The mean velocity and turbulence intensity profiles in the inflow boundary were defined in accordance with the Eurocode 1.4, for different conditions of aerodynamic roughness. The maintenance of the velocity and turbulence characteristics along the domain were evaluated in an empty domain for uniform incident flow and the ABL Eurocode velocity profiles. The pressure coefficients on a cubic building were calculated using these inflow conditions.
Lateral pterygoid muscle volume and migraine in patients with temporomandibular disorders
Lopes, Sergio Lucio Pereira De Castro,Costa, Andre Luiz Ferreira,Gamba, Thiago De Oliveira,Flores, Isadora Luana,Cruz, Adriana Dibo,Min, Li Li Korean Academy of Oral and Maxillofacial Radiology 2015 Imaging Science in Dentistry Vol.45 No.1
Purpose: Lateral pterygoid muscle (LPM) plays an important role in jaw movement and has been implicated in Temporomandibular disorders (TMDs). Migraine has been described as a common symptom in patients with TMDs and may be related to muscle hyperactivity. This study aimed to compare LPM volume in individuals with and without migraine, using segmentation of the LPM in magnetic resonance (MR) imaging of the TMJ. Materials and Methods: Twenty patients with migraine and 20 volunteers without migraine underwent a clinical examination of the TMJ, according to the Research Diagnostic Criteria for TMDs. MR imaging was performed and the LPM was segmented using the ITK-SNAP 1.4.1 software, which calculates the volume of each segmented structure in voxels per cubic millimeter. The chi-squared test and the Fisher's exact test were used to relate the TMD variables obtained from the MR images and clinical examinations to the presence of migraine. Logistic binary regression was used to determine the importance of each factor for predicting the presence of a migraine headache. Results: Patients with TMDs and migraine tended to have hypertrophy of the LPM (58.7%). In addition, abnormal mandibular movements (61.2%) and disc displacement (70.0%) were found to be the most common signs in patients with TMDs and migraine. Conclusion: In patients with TMDs and simultaneous migraine, the LPM tends to be hypertrophic. LPM segmentation on MR imaging may be an alternative method to study this muscle in such patients because the hypertrophic LPM is not always palpable.
Gastroprotective Activity of Neoglaziovia variegata (Arruda) Mez. (Bromeliaceae) in Rats and Mice
Kamila Lopes de Lira,Flávia Danniele Frota Machado,Ana Flávia Seraine Custódio Viana,Irisdalva Sousa Oliveira,Francilene Vieira da Silva,Hélio de Barros Fernandes,Jackson Roberto Guedes da Silva Almei 한국식품영양과학회 2021 Journal of medicinal food Vol.24 No.10
Neoglaziovia variegata (Arruda) Mez (Bromeliaceae) is a medicinal plant popularly known as “caroá.” The leaves are made up of highly resistant fibers, which is of great commercial value to the handicraft and textile industry. Some studies have demonstrated that ethanolic extract of N. variegata have gastroprotective properties. This study aimed to investigate the gastroprotective activity and cytoprotective mechanisms of ethyl acetate (Nv-AcOEt), hexane (Nv-Hex), and chloroform (Nv-CHCl3) fractions of N. variegata leaves. The gastroprotective activity of Nv-AcOEt, Nv-Hex, and Nv-CHCl3 was evaluated using the ethanol and ethanol/HCl-induced gastric injury model. To elucidate the gastroprotective mechanisms, the functions of prostaglandins (PGs), nitric oxide (NO), and KATP channels were evaluated. In addition, the nonprotein sulfhydryl groups and the mucus content in the gastric tissues were analyzed. All fractions of N. variegata leaves at oral doses of 100, 200, and 400 mg/kg significantly decreased ethanol and ethanol/HCl-induced gastric lesions, leading to gastroprotection, accompanied by an increase in reduced glutathione (GSH) and gastric mucus. Gastroprotective activity of Nv-AcOEt was inhibited after pretreatment with ibuprofen and N(G)-nitro-L-arginine (L-NOARG). Gastroprotective effect of Nv-Hex and Nv-CHCl3 was also inhibited after pretreatment with L-NOARG and with glibenclamide. The results indicate that N. variegata (Arruda) Mez exhibits promising gastroprotective activity with the possible participation of NO, PGs, mucus, sulfhydryl groups, and KATP.
Dealing with Polycythemia in Primary Care
Rodrigo Lopes da Silva,Tiago Villanueva 대한가정의학회 2013 Korean Journal of Family Medicine Vol.34 No.1
A 62-year-old female patient with hypertension presents to her general practitioner (GP) for her annual review. She is taking indapamide 2.5 mg once a day, and has just returned from holiday in the Canary islands. Blood tests show a hematocrit percentage of 56%, and the patient asks her GP if a high hematocrit count is a serious problem.
Experimental Behaviour of the Reverse Channel Joint Component at Elevated and Ambient Temperatures
Fernanda Lopes,Aldina Santiago,Luís Simões da Silva,Tim Heistermann,Milan Veljkovic,José Guilherme da Silva 한국강구조학회 2013 International Journal of Steel Structures Vol.13 No.3
The reverse channel connection appears to have the best combination of desirable features under fire loading: moderate construction cost, ability to develop catenary action and extremely high ductility through deformation of the web channel (Ding and Wang, 2007). This paper presents the results of an experimental investigation of a reverse channel component conducted at the University of Coimbra as part of the European RFCS COMPFIRE Project, the main focus of which is to characterise the behaviour of steel joints that connect steel beams to concrete-filled tubular columns under natural fire loading. A series of tensile and compressive tests at ambient and elevated temperatures was conducted. The purposes of the experimental tests were to characterise the strength, stiffness and ductility of this joint component and to establish a relationship between force,displacement and temperature.
Teresa Lopes da Silva,Carla Amarelo Santos,Alberto Reis 한국생물공학회 2009 Biotechnology and Bioprocess Engineering Vol.14 No.3
Multi-parameter flow cytometry was used to monitor cell intrinsic light scatter, viability, and lipid content of Chlorella protothecoides cells grown in shake flasks. Changes in the right angle light scatter (RALS) and forward angle light scatter (FALS) were detected during the microalgal growth, which were attributed to the different microalgal cell cycle stages. The proportion of cells not stained with PI (cells with intact cytoplasmic membrane) was high (> 90%) during the microalgal growth, even in the latter stationary phase, suggesting that the microalgal cells built-up storage materials which allowed them to survive under nutrient starvation, maintaining their cytoplasmic membranes intact. A high correlation between the Nile Red fluorescence intensity measured by flow cytometry and total lipid content assayed by the traditional lipid extraction method was found for this microalga, making this method a suitable and quick technique for the screening of microalgal strains for lipid production, optimization of biofuel production bioprocesses, and scale-up studies. The highest oil content (~28% w/w dry cell weight, estimated by flow cytometry) was observed in the latter stationary phase. In addition, C.protothecoides oil also depicted the adequate fatty acid methyl ester composition for biodiesel purposes at this growth phase, suggesting that the microalgal oil produced during the latter stationary phase could be an adequate substitute for diesel fuel. Medium growth optimization for enhancement of microalgal oil production is now in progress, using the multi-parameter approach Multi-parameter flow cytometry was used to monitor cell intrinsic light scatter, viability, and lipid content of Chlorella protothecoides cells grown in shake flasks. Changes in the right angle light scatter (RALS) and forward angle light scatter (FALS) were detected during the microalgal growth, which were attributed to the different microalgal cell cycle stages. The proportion of cells not stained with PI (cells with intact cytoplasmic membrane) was high (> 90%) during the microalgal growth, even in the latter stationary phase, suggesting that the microalgal cells built-up storage materials which allowed them to survive under nutrient starvation, maintaining their cytoplasmic membranes intact. A high correlation between the Nile Red fluorescence intensity measured by flow cytometry and total lipid content assayed by the traditional lipid extraction method was found for this microalga, making this method a suitable and quick technique for the screening of microalgal strains for lipid production, optimization of biofuel production bioprocesses, and scale-up studies. The highest oil content (~28% w/w dry cell weight, estimated by flow cytometry) was observed in the latter stationary phase. In addition, C.protothecoides oil also depicted the adequate fatty acid methyl ester composition for biodiesel purposes at this growth phase, suggesting that the microalgal oil produced during the latter stationary phase could be an adequate substitute for diesel fuel. Medium growth optimization for enhancement of microalgal oil production is now in progress, using the multi-parameter approach
Poster Session:PS 0569 ; Oncology : Pancreatic Cancer Causing Heart Failure
( Armando Lopes Braz ),( Tiago Mascarenhas ),( Conceicao Quadrado ),( Jose Braz Nogueira ) 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
A 67-year-old patient was sent to the internal medicine consultation due to dyspnea, orthopnea and lower limb edemas for 6 month, which got worse in the past 2 weeks, with diffi cult stabilization and control, even with intense therapy for heart failure. The therapy was improved and an echocardiogram was requested. One month later she was reevaluated showing no clinical improvement, so she was admitted in the internal medicine ward. The echocardiogram showed an ejection fraction of 21%, increased right chambers, severe pulmonary hypertension and left ventricle dilatation with depressed cardiac function. The therapy for heart failure was optimized and a ventilation-perfusion scyntigraphy was performed to evaluate the respiratory system. It revealed areas of pulmonary collapse and pulmonary embolism. On the ward she suffered a sudden episode of dyspnea and left leg edema and experienced severe pain. An ultrasound of the lower limbs proved the existence of bilateral severe deep venous thrombosis. For a further investigation the patient did a body CT-scan and cancer markers were searched. The CA19.9 was 253679 and there were several metastatic lesions on the liver and an infracentrimetic mass on the pancreatic tail on the CTScan. She started anticoagulation for prevention of other pulmonary embolism, while waiting for a pancreatic biopsy. The patient died 3 month after the diagnosis due to a sudden Myocardial infarction. The symptoms of heart failure dominated the whole clinical picture, being the DVT the wind of change to establish the diagnosis of pancreatic cancer, a scary disease that was silent for so long. This case shows the importance of the paraneoplastic symptoms such the bilateral DVT which was the important milestone for a further investigation and the fi nal diagnose.
( Armando Lopes Braz ),( Tiago Mascarenhas ),( Conceicao Quadrado ),( Jose Braz Nogueira ) 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
The clinical case is about a 44 years old male patient who was transferred to our hospital due to vasculitis. He was living in Angola for 8 years, being healthy until 2 weeks before being transferred. He started to feel abdominal cramps, muscular and joint pain over a period of 3 days. He was admitted in a clinic suspecting of malaria, starting antimalarial medication. On the 3rd day, the blood results for infectious diseases and maliaria were negative. He stooped the treatment and was discharged. After 4 days the patient started to complain of the same symptoms aggravated with asthenia, tiredness and diarrhea. He was readmitted and treated with antibiotics. Three days later some petequial lesions appeared in the lower limbs, getting spread arms and ears. These lesions got bigger over the next 2 days becoming macules and then changed to penfi - goid lesions with central necroses. The lesions covered the all lower limbs and part of the upper limbs, spearing the trunk. Corticosteroids were added to the treatment but he got worse, being later transferred to our hospital. The fi rst evaluation revealed a severe lower limbs edema, hypoalbuminemia and renal failure. All the treatment was stooped apart of pain killers and done some skin biopsies. The result was positive for leukocytoclastic vasculitis. Because of the GIT symptoms an endoscopy and colonoscopy was performed. The gut was covered with extense ulcerative lesions and was identifi ed inside them CMV. The body CT and Abdominal ultrasound were normal. The patient started the treatment with Valaciclovir during 15 days, followed with 6 weeks of Ganciclovir. This case still covered in dough, because it`s impossible to know if the hypersensibility reaction to the anti-malary drugs started the vasculites, triggering the CMV infection or the CMV developed the vasculitis.