Biomedical subjects
Publications and source records attributed to F Sciannameo.
Observation of three cases of rare thyroid pathology (medullary carcinoma, thyroid lymphoma, De Quervain's subacute thyroiditis) triggers a discussion of the need to take due account of such rare pathologies in preoperative differential diagnosis in order to avoid giving the wrong treatment. The fact that extemporary histological examination is no help in such situations is also discussed.
A case of unilateral pulmonary oedema (UPO) caused by rapid re-expansion after drainage of a spontaneous pneumothorax is reported. If acute respiratory failure is noted at the moment of re-expansion the condition can be brought within safe limits by careful clinical observation and if necessary the use of assisted respiration.
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Preliminary experience with the combined use of 24 pH-metering and Holter ECG monitoring in the differential diagnosis of angina-like-pain (ALP) is reported. Twenty patients aged 24-65 (15 females and 5 males) all with angina-like-pain were studied. The aim of the study was to differentiate between oesophageal and cardiac causes of the various types of chest pain and to investigate the possibility of their coexistence. 50% of the ALP patients with a negative non-invasive cardiological report presented a pathological gastroesophageal reflux. In 5% of the cases simultaneous coronary insufficiency and pathological gastro-oesophageal reflux was noted. The importance of performing both Holter recordings and pH-metering before subjecting patients to coronarography is therefore emphasised.
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The authors report their study on the red blood cell deformability of 30 patients with isolated and combined obstructive lesions in both aorto-iliac and femoral trunk, performed before and after the exercise test. Such a test does not significantly change the deformability in normal patients while, on the contrary, the exercise test significantly changes the deformability in patients affected by atherosclerotic disease. Furthermore, in the experience of the authors the decrease of the deformability is directly related to the degree of the circulatory impairment.
The purpose of our study was to verify the possibility of obtaining a reduction in the erythrocyte filtration rate and an improvement in the O2 tissue uptake in twenty patients suffering from insulin-dependent diabetes mellitus and diabetic angiopathy, randomly divided in two groups receiving pentoxifylline (1,200 mg/day for 30 days) or a placebo solution, respectively. The erythrocyte filtration rate decreased in patients treated with pentoxifylline and the difference of erythrocyte filtration rate between the two groups was statistically significant.
Hemorheological changes were more recently believed to be responsible for the pathogenesis of the Raynaud's phenomenon. In order to verify such changes, the authors report the data on red blood cell deformability obtained from a study performed in 8 patients with cold-induced Raynaud's phenomenon. From the evaluation of these data it seems likely that hemorheological changes observed during the phenomenon are the consequence of the ischemia and not vice versa.
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