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Intrinsic symmetry of Ampère’s circuital law and other educational issues

The use of relative residues in linear regression of experimental data with err...

The use of relative residues in non-linear regression

Abdominal versus thoracic approach for myotomy in esophageal achalasia.

Miotomy is the most common operation for the treatment of achalasia of the esophagus. The most important complication of this operation is gastro-esophageal reflux, and controversy exists in the choice of a thoracic or abdominal approach to this operation. From 1974 until 1988, our group performed 45 miotomies for achalasia of the esophagus. Follow-up was obtained in 82% of the patients. The thoracic approach w...

The repercussions of mental disease in the family. A study of the family member...

Caregiving and related concepts such as family or caregiver burden have been widely discussed in recent literature. A descriptive, cross-sectional study was conducted in a sample (n = 80) of primary caregivers to severe mental patients (diagnosed schizophrenia, chronic psychosis or affective disorder).To describe the caregivers' and corresponding patients' sample, as well as the nature of existing relationships...

Current prospects in the community treatment of schizophrenia.

The advances of pharmacological and psychosocial therapies in recent years have deeply changed the perspectives on the treatment of schizophrenia in the community. The hospital-centred models are progressively being replaced with comprehensive community care models. After discussing the main aspects of this evolution at a conceptual level, the authors describe the currently available therapeutic interventions o...

Neonates born to drug-addicted mothers.

A test was carried out involving 94 newborn babies whose birth occurred in Alfredo da Costa Maternity between November 1991 and February 1994. The aims of this study were to find out the frequency of social and obstetric risks, to assess the neonatal, mobility, namely as regards the withdrawal syndrome, and also the repercussion of drug-addiction in the children's development. The frequency was 1 newborn baby o...

Evaluation and quality assurance of mental health services.

Evaluation and quality assurance are primary issues in mental health care today. An up-date of current knowledge and experience in this domain is the main objective of this paper. The authors begin by describing the reasons that justify the current interest in this subject, defining concepts and summarizing the most relevant historical antecedents. This is followed by a discussion of the main methodological asp...

Hepatocellular carcinoma. Rare forms of presentation.

The occurrence of metastases is documented in a varied number of hepato-cellular carcinomas (HCC). The indicative metastasis is very rarely the form of clinical presentation of the disease. Two cases of HCC which were clinically presented in a secondary location, in the bone and skeletal muscle respectively, are described. ; The occurrence of metastases is documented in a varied number of hepato-cellular carci...

The curative surgery of periampullary tumors. The results of 48 resections.

Periampullary tumors form a clinical entity with common symptoms, similar therapeutic options, unsatisfactory resectability rates and unfavorable prognosis. From April 1970 until March 1994, one hundred and twenty-seven patients with periampullary carcinoma were operated by our surgical team. In 48 of these patients, a resection for cure was performed (38%). Resectability rates varied according to the origin of...