Biomedical subjects
Publications and source records attributed to C Couturier.
Early postoperative use of iv immunoglobulins after septic surgery in infants is reported. As compared to the randomized control group of patients (n = 20), return of C reactive Protein to normal values first occurred in the group receiving IVI (n = 20) p 0.01.
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Thirteen episodes of fever in bone marrow transplantation recipients (23 months to 11 years old children) were treated by ceftazidime (100-200 mg/kg/j) and netilmicin (7 mg/kg/j). Vancomycin was added at the 24th hour in 10 cases of persistent fever. 6 presumed agents of infection were isolated before antibiotic treatment: blood cultures (streptococci 2, staphylococcus 1, proteus 1), fecal sample (E. coli 1), urine (E. coli 1). Modifications of aerobic fecal flora were studied under this treatment. E. coli, staphylococci and enterococci were the mainly strains isolated. There were no third generation cephalosporins resistant Gram-negative bacteria. High level resistance to aminoglycosides was observed in enterococcal strains, isolated during and after treatment. Ceftazidime-netilmicin (+/- vancomycin) was an effective and safe combination for the management of febrile neutropenic episodes.
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Central microcatheters are important in neonatal intestinal surgery, as peripheral veins are quickly all used up in these patients; they are essential in maintaining a satisfactory nutritional status during the period of digestive exclusion. This retrospective study over an 18 month period concerned 105 catheters (82 central percutaneous catheters and 23 surgical catheters) put up in neonates operated on within the first few days of life. The advantages and disadvantages of both methods of catheterization were assessed by means of the infectious or mechanical complications, as well as the length of time the catheters were used. The frequency, timing and type of mechanical incidents requiring removal of the catheter were the same for both groups. There was only one septic accident, and this with a surgical catheter. An analysis of the patient files helped to decide on the best route for use in central catheterization, as well as technical improvements. Because of the absence of infectious accidents in the percutaneous series, this method was preferred, especially as it has a certain number of advantages over the surgical method. Percutaneous central microcatheterization would appear well suited to medium term parenteral feeding.
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The preliminary results of the use of high frequency positive pressure ventilation (HFPPV) in six newborn infants presenting a type III oesophageal atresia during the thoracic stage of surgical repair are reported. HFPPV allowed correct gas exchange during the surgical procedure. In the six cases, a significant decrease in PaCO2 (p less than 0.05) was observed, whereas the effects on PaO2 were variable. The technical problems, mechanism of gas transport during HFPPV and clinical interest of HFPPV in thoracic surgery are discussed.
Three recent cases of surgical closure of ductus arteriosus in very low birth weight infants (less than 1 000 g) are reported. The indications of both surgical and pharmacological closure in very low birth weight premature infants are discussed. The necessity of an early closure of a patent ductus arteriosus is now admitted in the very premature infant, but the use of indomethacin in the first days of life is often impossible because of its side-effects. The use of adapted non-invasive monitoring devices during surgery allows a better control of anaesthesia.
Following a recent case of adult-type respiratory distress syndrome in a four-year old child, the rare occurrence of this pathology in visceral paediatric surgery is recalled. The few published cases do not allow a comparison of the mortality in paediatric and adult patients. The treatment is discussed, as well as the results of pulmonary function tests performed some time after the acute pulmonary episode.
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Method of artificial respirators desinfection by Formaldehyde is studied. Formaldehyde and ammoniac quantitative analysis are performed. Air samples are taken by dry process and by wet process. Two concentrations are in ceiling values for exposure of workers and exceed irritant concentrations during chronic exposition. Particular attention should be paid to perform measurement: air samples must be taken by wet process as artificial ventilation circumstances: indeed in this case air is humidified; potential toxicity is unappreciated in this use. Complementary studies are required.
The authors are describing a surgical technique to recognize the left recurrent laryngeal nerve during the oesophage atresia surgery. This technique uses for anatomical marks the superior line of the great azygos vein an the oeso-tracheal lateral junction. The dissection is very delicate, and the hight frequency ventilation during anesthesia gives a precious comfort to the surgeon.
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