[Acute poisoning following massive intake of colchicine].
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Biomedical subjects
Publications and source records attributed to J Mascaró.
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BACKGROUND: To evaluate the usefulness of a systematic study of patients with uveitis and to assess the associated systemic diseases. METHODS: 200 patients seen in an outpatient clinic for the evaluation of uveitis between 1981 and 1988 were included in the study. Patients with eye disease associated with drug abuse or human immunodeficiency virus were excluded. The study protocol included an initial clinical and ophthalmological evaluation followed by selected specific investigations. RESULTS: Anatomical localization: anterior uveitis 122 (61%), posterior 41 (20.5%), panuveitis 30 (15%) and intermediate 7 (3.5%). ETIOLOGY: 74 cases (37%) were secondary, 101 (50.5%) were idiopathic, and 25 (12.5%) were specific syndromes of uveitis of unknown cause. Toxoplasmosis was the most common cause of infective uveitis, and ankylosing spondylitis was the most common noninfective cause. Diagnostic process: group 1, diagnosed by the ophthalmological investigation (25 cases); group 2, diagnosed on the basis of the accompanying clinical features and/or specific investigations (66 cases); and group 3, diagnosed by wider detection methods (8 cases). CONCLUSIONS: There was a remarkably high rate uveitis without etiological diagnosis. The evaluation of patients with uveitis requires a careful evaluation of ocular and systemic features, followed by selected specific investigation. The indiscriminate use of diagnostic tests is not warranted.
We performed a survey concerning the use of psychotropic drugs among 223 patients admitted to a university hospital in November 1986. 39% of patients were receiving some psychotropic drug, and 73% of these corresponded to benzodiazepines. Insomnia and anxiety were reported as the main causes for drug use. Patients above age 50 were most affected. 61% of drugs had been in use for more than 6 months. These results confirm previous findings regarding psychotropic drug use in adults.
One hundred patients with achalasia of the esophagus were analyzed at a late follow-up by means of subjective and objective parameters. The surgical technique consisted of an anterior esophagomyotomy (6 cm long, not extending into the stomach more than 5 to 10 mm) with the addition of an anterior hemi-Nissen or Dor procedure, similar to the Thal serosal patch. No operative deaths occurred. The mean follow-up was 6.8 years, and only 1 patient was lost from this follow-up. Preoperative dysphagia, which was present in 100% of the patients, persisted only occasionally in 8%, and a significant gain in weight was recorded in 90% of the patients. In three patients epidermoid carcinoma developed 5 to 9 years after surgery. In one patient a severe gastroesophageal reflux with an esophageal ulcer developed. Radiologic studies demonstrated a significant increase in the diameter at the gastroesophageal junction and a decrease at the middle third of the esophagus (p less than 0.0001). The resting pressure of the lower esophageal sphincter showed a significant decrease, from 37 mm Hg to 10 mm Hg, after surgery (p less than 0.0001), when we analyzed 84 patients before and 68 patients after operation. The total length of this sphincter also decreased. The manometric evaluation of the lower esophageal sphincter pressure in the same 42 patients before, 2 months after, and 5 to 7 years after surgery demonstrated persistence of the low sphincter pressure. There was a significant increase in the amplitude of the esophageal waves, and the standard acid-reflux test demonstrated reflux into the esophagus in 19% of the patients. Final clinical evaluation showed excellent and good results in 92 of the 94 controlled patients.
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