114 resultados para practitioner

em Université de Lausanne, Switzerland


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BACKGROUND: Identification of a Primary Care Physician (PCP) by older patients is considered as essential for the coordination of care, but the extent to which identified PCPs are general practitioners or specialists is unknown. This study described older patients' experiences with their PCP and tested the hypothesis of differences between patients who identify a specialist as their PCP (SP PCP) and those who turn to a general practitioner (GP PCP). METHODS: In 2012, a cross-sectional postal survey on care was conducted in the 68+ year old population of the canton of Vaud. Data was provided by 2,276 participants in the ongoing Lausanne cohort 65+ (Lc65+), a study of those born between 1934 and 1943, and by 998 persons from an additional sample drawn to include the population outside of Lausanne or born before 1934. RESULTS: Participants expressed favourable perceptions, at rates exceeding 75% for most items. However, only 38% to 51% responded positively for out-of-hours availability, easy access and at home visits, likelihood of prescribing expensive medication if needed, and doctors' awareness of over-the-counter drugs. 12.0% had an SP PCP, in 95.9% specialised in a discipline implying training in internal medicine. Bivariate and multivariate analyses did not result in significant differences between GP and SP PCPs regarding perceptions of accessibility/availability, doctor-patient relationship, information and continuity of care, prevention, spontaneous use of the emergency department or ambulatory care utilisation. CONCLUSIONS: Experiences of old patients were mostly positive despite some lack in reported hearing, memory testing, and colorectal cancer screening. We found no differences between GP and SP PCP groups.

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Thyroiditis represent commonly encountered thyroid disorders in clinical medicine. Autoimmune thyroiditis is frequent with various forms: Hashimoto's thyroiditis, subacute thyroiditis with lymphocytic and post-partum variants. In the absence of any changes in volume and function, Hashimoto's thyroiditis can be seen in a setting of a thyroid nodule, elevation of thyroid autoantibodies and by the pathologist in surgical or cytological materials. Presenting with fever, cervical pain and subtle signs of hyperthyroidism, subacute thyroiditis (De Quervain) represents often a challenge for an early recognition and an appropriate treatment. Acute thyroiditis and Riedel's thyroiditis are very uncommon, with cervical mass and pain.

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The clinical significance of facial palsy hinges on its psychosocial consequences. While its causes are very numerous, several infections account for a majority of cases: Lyme disease, geniculate zoster (Ramsay Hunt syndrome), while the role of HSV-1 in essential (Bell's) palsy remains controversial. Essentials of facial palsy management are discussed, including the importance of the functional grading of palsy, the complexity of Lyme disease serological diagnosis, and its treatment using doxycycline, antiviral and steroids treatment of geniculate zoster, while regarding essential facial palsy, only steroids, but not antiviral have been shown to improve functional recovery.

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Wilson disease (WD) is an inherited disorder of hepatic copper excretion leading to toxic accumulation of copper in the liver as well as the brain, cornea, and other organs. The defect is due to mutations of the copper-transporting ATPase ATP7B. Clinical manifestations are highly variable and comprise acute liver failure, chronic hepatitis and cirrhosis as well as neurological or psychiatric symptoms. The Kayser-Fleischer corneal ring is pathognomonic but absent in about 50% of patients with hepatic manifestations alone. A high index of suspicion in clinically compatible situations is key, with a combination of laboratory tests allowing the diagnosis of WD. Treatment is based on the use of chelating agents, D-penicillamine or trientine. Liver transplantation should be considered for patients with acute liver failure or advanced cirrhosis.

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Protozoan and helminthes are frequently associated with persistent digestive complaints, not only in returning travelers from the tropics, but also in industrialized countries. The symptoms are often more vague than those associated to bacterial or viral infections and diarrhea is not always a key feature of the clinical presentation. Three stool examinations and a full blood cells count looking for eosinophilia is the comer stone of the investigations looking for digestive parasites. This article reviews the epidemiology, clinical presentation, diagnostic and management of digestive protozoans and helminthes.

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OBJECTIVES: To determine the prevalence of problems with treatment adherence among type-2 diabetic patients with regards to medication, dietary advice, and physical activity; to identify the associated clinical and psychosocial factors; and to investigate the degree of agreement between patient-perceived and GP-perceived adherence. METHODS: Consecutive patients were solicited during visits to 39 GPs. In total, 521 patients self-reported on treatment adherence, anxiety and depression, and disease perception. The GPs reported clinical and laboratory data and patients' adherence. A multivariate analysis identified the factors associated with adherence problems. RESULTS: Problems of adherence to medication, dietary advice, and physical activity recommendations were reported by 17%, 62%, and 47% of the patients, respectively. Six independent factors were found associated with adherence problems: young age, body-mass index (BMI) > 30 kg/m(2), glycosylated haemoglobin (HbA(1c)) > 8%, single life, depression, and perception of medication as a constraint. Agreement between patients' and GPs' assessments of treatment problems reached 70%. CONCLUSION: In type 2 diabetes, problems with dietary advice or physical activity are far more frequent than problems with medication, and not all physicians are fully aware of patients' problems. More active listening and shared decision-making should enhance adherence and improve outcomes.

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Sudden death related to out-of hospital cardiac arrest is an important cause of mortality, which is mainly caused by ventricular fibrillation, a potentially reversible condition. The prognosis of out-of-hospital cardiac arrest remains dismal despite well developed emergency medical services. Witnessed arrest, ventricular fibrillation as the initial arrhythmia, cardiopulmonary resuscitation and early defibrillation are systematically associated with better survival. Key interventions must therefore be enforced to improve survival from out-of-hospital cardiac, introducing the concept of a "chain of survivals". The aim of the present article, which is illustrated by local results, is to review this important public health issue, to emphasize the role of the general practitioner in the chain of survival, and to promote education and training of basic and advanced life support.

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Many rapid diagnostic tests (RDT) for the diagnosis of infectious diseases have been developed over the last 20 years. These allow (1) administering a treatment immediately in case of a potentially fatal disease, (2) prescribing a specific rather than presumptive treatment, (3) quickly introducing measures aimed at interrupting the transmission of the disease, (4) avoiding useless antibiotic treatments and (5) implementing a sequential diagnostic strategy to avoid extensive investigations. Using the example of malaria, a new strategy that includes a RDT as first-line emergency diagnostic tool and, when negative, delayed microscopy at the laboratory opening time is implemented in Lausanne since 1999. This strategy has been shown to be safe. Each TDR has its own characteristics that imperatively need to be known by the practitioner if he/she wants to use it in a rational way.

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The relative importance of molecular biology in clinical practice is often underestimated. However, numerous procedures in clinical diagnosis and new therapeutic drugs have resulted from basic molecular research. Furthermore, understanding of the physiological and physiopathological mechanisms underlying several human diseases has been improved by the results of basic molecular research. For example, cloning of the gene encoding leptin has provided spectacular insights into the understanding of the mechanisms involved in the control of food intake and body weight maintenance in man. In cystic fibrosis, the cloning and identification of several mutations in the gene encoding the chloride channel transmembrane regulator (CFTR) have resolved several important issues in clinical practice: cystic fibrosis constitutes a molecular defect of a single gene. There is a strong correlation between the clinical manifestations or the severity of the disease (phenotype) with the type of mutations present in the CFTR gene (genotype). More recently, identification of mutations in the gene encoding a subunit of the renal sodium channel in the Liddle syndrome has provided important insight into the physiopathological understanding of mechanisms involved in this form of hereditary hypertension. Salt retention and secondary high blood pressure are the result of constitutive activation of the renal sodium channel by mutations in the gene encoding the renal sodium channel. It is speculated that less severe mutations in this channel could result in a less severe form of hypertension which may correspond to patients suffering from high blood pressure with low plasma renin activity. Several tools, most notably PCR, are derived from molecular research and are used in everyday practice, i.e. in prenatal diagnosis and in the diagnosis of several infectious diseases including tuberculosis and hepatitis. Finally, the production of recombinant proteins at lower cost and with fewer side effects is used in everyday clinical practice. Gene therapy remains an extraordinary challenge in correcting severe hereditary or acquired diseases. The use of genetically modified animal cell lines producing growth factors, insulin or erythropoetin, which are subsequently encapsulated and transferred to man, represents an attractive approach for gene therapy.

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Social deprivation also exists in an industrialised country like Switzerland where there are many different social economic levels; social inequalities have increased in the past years having a major impact on social economic determinants of health. Being aware of these determinants and systematically identifying them in patients has become crucial for the general practitioner in order to improve the way s/he delivers care and interacts with more vulnerable populations. Because the general practitioner is often in contact with people of different socioeconomic levels, s/he is a key witness of social inequalities in health. S/he therefore has a responsibility to document them, to promote health, to prevent disease and be an advocate for the disadvantages in order to influence these social determinants of health.