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Biomedical subjects

F Gilsanz

Publications and source records attributed to F Gilsanz.

At least 73 records · Page 4Linked to original sources

Hereditary hemolytic anemia with increased red cell adenosine deaminase (45- to 70-fold) and decreased adenosine triphosphate.

Hereditary hemolytic anemia, a dominantly transmitted disorder, has affected 12 family members spanning three generations. The concentration of adenosine triphosphate in the red cells was about half that of comparably reticulocyte-rich blood. Since adenosine deaminase and adenosine kinase compete for a common substrate, the greatly increased activity of the former may interfere with nucleotide salvage via the latter.

Adenine Nucleotides↗

Immune haemolytic anaemia and renal failure induced by streptomycin.

A case of acute immune haemolytic anaemia and renal failure induced by streptomycin, is reported. The clinical features are similar to those in a case previously reported in which no in vitro proof of antibodies was obtained. In this case, streptomycin-specific IgG antibodies, with both k and lambda light chains, could be demonstrated. The streptomycin bound strongly to the red cell membrane, apparently through chemical groups related to the M antigen and possibly also to the D antigen. Complement-fixation by the drug-specific IgG antibodies, after reaction with the streptomycin-coated red cells, could also be demonstrated. On the basis of these findings, our conclusion is that a complement-fixing hapten-cell mechanism was the main cause of the intravascular haemolytic episode suffered by the patient on exposure to streptomycin. This drug had been prescribed 15 years earlier for pulmonary tuberculosis and he had since injected himself with it whenever he felt "flu" symptoms, without harmful effects, until now.

Acute Kidney Injury↗

[Cesarean section in an orthotopic liver transplantation patient].

We describe the case of a woman with a functioning orthotopic liver transplant who was receiving cyclosporine treatment. An emergency cesarean section was performed, with epidural analgesia, for prolonged pregnancy and an unfavorable cervix. No complications were recorded either during or after surgery. She gave birth to a healthy boy and both were discharged on the fifth day after delivery. Organ transplantation is an increasingly common procedure, and Spain, which has a large number of organ donors, is the country where the largest number of transplants in Europe is performed. Immunosuppressive therapy has advanced greatly, allowing patients to survive longer and enjoy good quality of life. Many transplanted women in their childbearing years consider pregnancy, which can lead to medical problems, a worsened clinical picture or complications related to pregnancy, putting the lives of both mother and fetus at risk. Perioperative management by an anesthesiologist is necessary, whether delivery is vaginal or cesarean. Whenever immunosuppressive therapy is involved, the use of general or regional anesthetics carries risk, as do pregnancy and delivery themselves.

Acute Disease↗

Cardiovascular and respiratory complications after elective supratentorial craniotomy.

The cardiovascular and respiratory complications and their treatment during the immediate postoperative period in the intensive care unit (ICU) are analyzed in 145 consecutive cases of supratentorial craniotomy. In this series, 87.5% of the patients remained in the unit less than 48 hours. In all, 67 cardiovascular disorders were observed in 49 subjects (33.7%). Supraventricular tachycardia, arterial hypotension and hypertension were, in order of frequency, the most common hemodynamic alterations. Fifty percent of the arterial hypertensions were treated with vasodilators. The etiological cause of hypotension was hypovolemia in 66.6% of the cases. Extubation was not performed in the operating room in 17.93% of the subjects, and seven patients in which it was had to be reintubated. The stay in the ICU was longer for those intubated (3.03 +/- 0.77 days). Mortality was 2.06%.

Adult↗