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Metastases supraclaviculares de adenocarcinoma do cólon

The most common histologic variant of colon cancer is adenocarcinoma and liver is the most frequent metastatic site. Supraclavicular lymph node metastases are rare. A few case reports describe supraclavicular lymph node metastases as the first clinical manifestation of colon cancer. The authors present the case report of a 41-year-old female patient with a conglomerate of lymph nodes in the left supraclavicular...

Neural network model for the on-line monitoring of a crystallization process

This paper presents the results of the application of a recently developed technique, based on Neural Networks (NN), in the recognition of angular distribution patterns of light scattered by particles in suspension, for the purpose of estimating concentration and crystal size distribution (CSD) in a precipitation process based on the addition of antisolvent (a model system consisting of sodium chloride, water a...

Protocols on thrombosis and hemostasis in clinical practice.

We established several protocols: -analytic pre-operative tests; -analytic tests in pre-thrombotic states; -prophylaxis in deep vein thrombosis with LMW heparin; -treatment of deep vein thrombosis with LMW heparin; -oral anticoagulant supervision; -antiplatelet drugs in prevention of arterial thrombosis; -prophylaxis of thrombosis in ATIII, Proteins C and S deficiencies in general in and pregnancy. ; We establ...

Protocols on thrombosis and hemostasis in clinical practice.

Prevention of thrombogenesis in the extracorporeal circuit of hemodialysis with...

To test the efficacy and safety of a low molecular. Weight heparin (LMWH)--Fraxiparine, for hemodialysis (HD) anticoagulation, compared with conventional heparin (H) or serum lavage without other anticoagulation (L).Prospective controlled study.Twenty-nine consecutive patients referred for dialysis in a tertiary care hospital were divided in 3 groups A, B and C, each group A and B patient submitted to 2 dialysi...

Identification of a period of renal ischemic vulnerability studying the changes...

We studied the pre operative status and the 1st, 4th, 12th and 24th hours of the post operative period after open heart surgery with cardiopulmonary bypass with a crystalloid solution containing 10 gr of mannitol. We considered acute renal failure (ARF) as being any increase in plasma creatinine values of 0.25 mg/dl for the first 24 hours and 0.5 mg/dl for periods longer than 24 hours. Six patients had transito...

Hemostatic changes associated with recombinant human erythropoietin (rHu Epo) t...

End-stage chronic renal failure (CRF) is often associated with platelet' disfunction and therefore with impaired hemostasis. Several investigators have reported that rHu Epo, used in the treatment of CRF anaemia, is able to activate a broad spectrum of hematopoietic stem cells, and therefore is able to increase the number of platelets and to induce correction of platelet disfunction. In order to investigate hem...