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Search Results: 1 - 10 of 210681 matches for " Manuel G.;Freitas "
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Air pollution and emergency admissions for cardiorespiratory diseases in Lisbon (Portugal)
Alves, Célia A.;Scotto, Manuel G.;Freitas, Maria do Carmo;
Química Nova , 2010, DOI: 10.1590/S0100-40422010000200020
Abstract: daily records of hospital admissions due to cardiorespiratory diseases and levels of pm10, so2, co, no, no2, and o3 were collected from 1999-2004 to evaluate the relationship between air pollution and morbidity in lisbon. generalised additive poisson regression models were adopted, controlling for temperature, humidity, and both short and long-term seasonality. significant positive associations, lagged by 1 or 2 days, were found between markers of traffic-related pollution (co and no2) and cardiocirculatory diseases in all age groups. increased childhood emergency admissions for respiratory illness were significantly correlated with the 1-day lagged so2 levels coming from industrial activities.
Glositis romboidal: localización atípica: Caso clínico y diagnóstico diferencial
Lago Méndez,Lucía; Blanco Carrión,Andrés; Diniz Freitas,Márcio; Gándara Vila,Pilar; García García,Abel; Gándara Rey,José Manuel;
Medicina Oral, Patología Oral y Cirugía Bucal (Ed. impresa) , 2005,
Abstract: median rhomboid glossitis (mrg) is an uncommon benign abnormality of the tongue, most frequently affecting men. it is typically located around the midline of the dorsum of the tongue, anterior to the lingual "v", appearing as a reddish, rhomboid area, depapillated, flat maculate or mamillated and raised by 2 - 5 mm. this paper reports a case of rhomboid glossitis in a 61-year-old man who consulted for a painless raised lesion on the dorsum of the tongue, in left paramedial (not medial) location. histopathological findings were compatible with rhomboid glossitis. other diagnoses considered but ruled out on the basis of the clinical and histopathological findings were haemangioma, pyogenic granuloma, amyloidosis, granular cell tumour, and squamous cell carcinoma. this case confirms that rhomboid glossitis may occur in paramedial locations.
Equilibrium Dynamics in the Neoclassical Growth Model with Habit Formation and Elastic Labor Supply  [PDF]
Manuel A. Gómez
Theoretical Economics Letters (TEL) , 2012, DOI: 10.4236/tel.2012.25087
Abstract: This note analyzes the equilibrium dynamics in the neoclassical growth model with habit-forming preferences and elastic labor supply. Habits enter into utility in a multiplicative way. The specification of the habit formation process comprises the particular cases of internal and external habits. Existence, uniqueness and saddle-path stability of the steady state are proved analytically.
Aplicaciones de la citología exfoliativa en el diagnóstico del cáncer oral
Diniz Freitas,Márcio; García García,Abel; Crespo Abelleira,Antonio; Martins Carneiro,José Luis; Gándara Rey,José Manuel;
Medicina Oral, Patología Oral y Cirugía Bucal (Ed. impresa) , 2004,
Abstract: exfoliative cytology is a simple non-aggressive technique that is well accepted by the patient, and that is therefore an attractive option for the early diagnosis of oral cancer, including epithelial atypias and especially squamous cell carcinoma. however, traditional exfoliative cytology methods show low sensitivity (i.e. a high proportion of false negatives) in the diagnosis of these pathologies. this low sensitivity is attributable to various factors, including inadequate sampling, procedural errors, and the need for subjective interpretation of the findings. more recently, the continuing development of automated cytomorpho-metric methods, dna content determination, tumour marker detection, and diverse molecular-level analyses has contributed to renewed interest in exfoliative cytology procedures for the diagnosis of oral cancer. the present study briefly reviews developments in these areas.
Sobre o preparo dos parasitas da malária em distens?es espessas, especialmente em amostras supersecas
Freitas, G. de;
Memórias do Instituto Oswaldo Cruz , 1942, DOI: 10.1590/S0074-02761942000200004
Abstract: i) the a. presents a method developed for the preparation of thick blood films, specially old desiccated smears. the observations are based on the experience of more than 53000 blood samples collected in the laboratory of the ?servi?o de malaria do nordeste? as well as in the research department of the ?servi?o de malaria da baixada fluminenese?. ii) as in introductory matter, he emphasizes the value of the obstacles presented by overdrying of the thick blood films occurring systematically in great malaria control organizations in which the laboratory receives materials from more or less remote localities, particularly in the brazilian northeast, in regions invaded by anopheles gambiae. iii) an analysis of the causes of failure of the methods of chorine and knowles recorded in the literature for such purposes is given, as well as its adaptability for the simultaneous preparation of large numbers of samples. iv) the method is based the protective action of a previous fixation by a dilute solution of formalin, which, without preventing further dehemoglobinization, prevents morphological alterations in the parasites by the action of knowles solution which is retained in this metod without modification. v) for washing out the acids of the dehemoglobinizating solution as well as for diluting the giemsa stain, the a. proposes a very simple technique, extremely convenient for such purpose, which consists in adding acetic acid to the distilled water in the proportion of 1 drop for each 10cc of water, and then increasing the hydrogeni-on concentration to ph 7.2 with a 2% sol. of sodium carbonate. as indicator a 0.02% solution purple-bromcresol prepared in accordante to medalia, is used. in this reaction there is the formation of the acetic acid ↔ sodium acetate, buffer system very suitable for giving a convenient ph and for preventing the precipitation of the dye, which can be used for two or three batches of 700 or 800 slides each, without changing the staining soluti
A 35-Year-Old Man Presenting Sleep-Related Painful Erections (Erpes): A Case Report and Review of Literature  [PDF]
Daniel de Freitas G. Soares, Ernani Luis Rhoden
Advances in Sexual Medicine (ASM) , 2014, DOI: 10.4236/asm.2014.41002
Abstract: Introduction: Erectile episodes occurring in the night time are considered normal and are usually related to the REM sleep. Spontaneous painful erections are unusual but they can have a great impact in the patient’s quality of sleep and, for consequence, quality of life. Report: We present a patient who has been presenting painful erections which wake him up almost every night. We discuss the workup and treatment offered to the patient, as well as the short-time response and two months follow-up. Discussion: Although studies still do not explain this relationship, nocturnal erections occur only during rapid eye movement (REM) sleep, which can be confirmed by polysomnography accompanied by Nocturnal Penile Tumescence testing or RigiScan test. However, diagnosis can be established based exclusively on clinical aspects. Based on all literature reviewed, the initial treatment should safely consist in improvement in sleep architecture and pelvis muscles relaxation. Conclusion: After the first suspicion, polysomnography with rigidity measurements of nocturnal erections should be considered although clinical diagnosis and therapeutic test may be acceptable. The management we suggest is usually effective, well tolerated and sustained.
Risk Factors for Fall in Elderly Patients: Follow-Up Study after Hospital Discharge  [PDF]
Pedro Caetano, Jo?o Freitas, Carla Brand?o, Tiago Teófilo, Inês Campos, Jorge Laíns, Manuel Veríssimo
Open Journal of Internal Medicine (OJIM) , 2018, DOI: 10.4236/ojim.2018.84021
Abstract: Introduction: Increased occurrences of falls after discharge are reported, especially in elderly people. Falls are a major cause of disability and identification of risk factors associated with falls is required to plan preventive actions. This study aims to determine the occurrence of falls in the three months after discharge and risk factors in elderly patients. Materials and Methods: 100 patients over 65 admitted to an Internal Medicine Ward participated. Questionnaires were given during hospitalization and three months after discharge. Follow-up information was unavailable for 31 patients (25 deceased, 6 unreachable). Results: Of those analyzed 52% were males with 80 ± 8.1 years (mean ± SD). Polymedication (p = 0.002), use of psychoactive drugs (p = 0.007), analgesics (p = 0.034) and walking devices (p = 0.006) were associated with a higher incidence of falls 6 months before hospitalization. Post-discharge follow-up was obtained for 69 patients: 18 reported falling during the follow-up. There was a higher risk of fall in patients with a history of falls in the 6 months before admission (p = 0.015 RR = 2.76). Patients who had one or more falls after discharge had a significantly shorter length of hospital stay compared to those who didn’t fall (p = 0.012). In multivariate logistic regression, we found that patients who were hospitalized more than 7 days had a lower risk of falling in the post-discharge period (OR = 0.195, p = 0.017) independently of the history of falls 6 months prior to admission. Conclusions: Further studies are required to validate the risk factors identified after discharge and to evaluate preventive measures. Elderly patients discharged from an Internal Medicine Ward should be screened to determine the risk of falls, specifically previous history of falls and medication. These patients should integrate a fall prevention program.
Fatigue behaviour of a structural steel under non-proportional multiaxial loading
Reis,Luís; Li,Bin; Freitas,Manuel de;
Ciência & Tecnologia dos Materiais , 2008,
Abstract: this paper reports experimental studies on the fatigue behaviour of 42crmo4 steel under non-proportional loading conditions. although the 42crmo4 steel is widely used in complex stressed components such as shafts, etc, most of the studies in the literature were on the uni-axial fatigue behaviour of this steel. the objective of this work is to study the mechanical behaviour of the steel 42crmo4 under specified multiaxial fatigue loading conditions, which will allow a better understanding of the ratio between normal and shear stress, and validate the fatigue damage models. a series of tests were carried out in load control for several multiaxial fatigue loading paths. experimental results show that the ratio between normal stress and shear stress components has a strong influence to fatigue damage and consequently to fatigue life. multiaxial fatigue damage models based on the shear stress amplitude are applied to correlate the test results, improved correlation results are shown.
Research and Application of Visco-Elastic Memory Foam, in the Field of Footwear Manufacturing
Teodor Socaciu,Mihai Simon,Liviu Dorin Pop,Manuel Freitas
Scientific Bulletin of the ''Petru Maior" University of T?rgu Mure? , 2010,
Abstract: The paper study and tests the use of Visco-Elastic Memory Foam in ergonomic shoe insoles application. To maximize comfort needs, Memory Foam responds to the unique curves and pressures points of the person’s soles. This application is not necessarily meant for people with disabilities, but for normal everyday use of a high comfort shoe.
Sobreposi o de asma br nquica e DPOC Overlap between asthma and COPD
Tiago Manuel Alfaro,Sara da Silva Freitas,Carlos Robalo Cordeiro
Jornal Brasileiro de Pneumologia , 2012, DOI: 10.1590/s1806-37132012000600021
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