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Biomedical subjects

J F Magny

Publications and source records attributed to J F Magny.

61 records · Page 4Linked to original sources

[C-reactive protein and neonatal infections. Diagnostic importance].

Serum C Reactive Protein (CRP) levels were measured in 36 neonates with a suspicion of sepsis. In the 11 children in whom septicemia was proven, CRP levels were abnormal in all cases, while hematologic data were significantly changed in 3 cases only (27%). In the 16 neonates who were not infected, CRP was abnormal in only one case, and hematologic data significantly changed in 2 (12%). In 9 neonates with at least 2 peripheral samples positive for the same organism, CRP and hematologic data were respectively abnormal in 6 (66%) and one (11%) cases.

Bacterial Infections↗

Urolithiasis in children. Presenting signs, etiology, bacteriology and localisation.

Based on a personal series of 310 observations, the authors have studied the presenting signs, the etiology, the urinary bacteriology and the localization of the stone in children with urolithiasis. Urinary tract infection is the presenting sign in 55% of the cases, hematuria in 23% and abdominal pain in 20%. Urinary malformation is associated in 26% of cases, whatever the age at diagnosis. The urinary bacteria found in 55% of cases is Proteus. Localization was in the kidney in 228 cases, in the ureter in 71 cases, the bladder in 45 cases and in the urethra in 5 cases.

Adolescent↗

[Infection of an anastomosis: a formidable complication of operations for aortic coarctation].

One 12 day newborn, a 2 year old infant and two children aged 10 and 14, operated for isthmic coarctation of the aorta by three different surgical techniques (resection-anastomosis, angioplasty with an autograft, prosthetic graft) suffered infection of the operative field, resulting in septicemia (3 staphylococcal and 1 yeast infections). The aorta ruptured after 4 days, before any collection of pus in the newborn but a mycotic false aneurysm developed in the three other patients: this was the cause of death by aortic rupture during the 5th postoperative week in one case but was diagnosed and operated successfully in the other two, 13 and 54 days after their first operation. These complications are well known. Therefore, these patients should be closely followed up for at least one month. The occurrence of pyrexia, even slight or late, should be treated with suspicion. Characteristic dilatation of the part of the aorta operated on should be actively looked for by simple radiography, 2D echocardiography and, when in doubt, right heart angiocardiography. The diagnosis is a surgical emergency: the safest technique consists in initially establishing an aorto-aortic deviation by a right sided approach followed by exclusion of the lesion. Surgery is the only means of preventing catastrophic rupture of the aorta.

Adolescent↗

Recurrent enterocolitis-like symptoms as the possible presenting manifestations of neonatal Brucella melitensis infection.

A premature infant had three episodes of enterocolitis-like symptoms during the first three months of life. Brucella melitensis was isolated in a prolonged blood culture on day 85. The clinical manifestations disappeared under treatment and did not recur. A maternofetal transmission is suggested in this case. The importance of prolonged blood cultures when brucellosis is epidemiologically suspected is emphasized.

Adult↗

[Sudden newborn infant death in maternity. Anatomo-clinical study of 31 cases].

PATIENTS AND METHODS: All cases of sudden and unexpected death occurring in maternity were studied over a period of 6 years (1985-1991). Anamnestic data, results of clinical examination of the body and findings of bacterial screening of body fluids or tissues were collected. The results at necropsy were also collected following the protocol used, with parental consent, in all cases of sudden infant death syndrome. RESULTS: There were 31 cases of sudden and unexpected death. Of these, 48% occurred before the 24th hour of life, 68% before the 36th hour and 84% before the 72nd hour. The majority of death occurred at night (55% between midnight and 6 AM, 90% between 9 PM and 9 AM). Analysis of the data provided a precise cause of death in 25 cases (81%), and a probable cause in 4 cases (13%). The major causes were perinatal anoxia, generally associated with massive amniotic inhalation (16 cases), and maternal-fetal infection (9 cases). No cause was found in 2 cases. Despite the fact that the death occurred unexpectedly, half of the newborns showed warning signs, some hours before the event. These signs were either not detected or ignored. CONCLUSION: The incidence of sudden death in neonates is 0.15 to 0.36/1,000 live births. Its causes are generally correlated with common neonatal diseases. Its occurrence at night and the existence of warning signs raise questions concerning the care of neonates in maternity.

Amniotic Fluid↗