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Biomedical subjects

J Flament

Publications and source records attributed to J Flament.

At least 19 recordsLinked to original sources
PubMed1992

Chagas' disease: decreased resistance to Trypanosoma cruzi acquired infection in offspring of infected mice.

The course of Trypanosoma cruzi infection was studied in an experimental model, using the offspring of mice that were chronically infected with T. cruzi. When infected two months after birth, a higher mortality rate in heavily parasitized mice occurred in these offspring than in controls born to uninfected mothers. The harmful maternal influence reached a maximum when offspring were exposed both to prenatal (placental) and postnatal (lactating) influences. It was a reversible phenomenon that led to a T. cruzi-specific failure of the offspring to control the acute phase of the infection. Such features are suggestive of a maternally-induced impairment of the immune response of the offspring.

Analysis of Variance↗
PubMed1991

Multiple-dose efficacy comparison of the two topical carbonic anhydrase inhibitors sezolamide and MK-927.

The multiple-dose twice-daily efficacy of the topical carbonic anhydrase inhibitor MK-927, a racemic compound, was compared with that of its pharmacologically more active S-enantiomer in a four-center, double-masked, randomized, placebo-controlled, parallel study of 1.8% sezolamide hydrochloride (MK-417), 2% MK-927, and placebo, given twice daily to 48 patients with bilateral primary open angle glaucoma or ocular hypertension and morning intraocular pressure greater than 24 mm Hg in both eyes following washout of ocular hypotensive medications. Parallel 10-hour modified diurnal curves were performed before the study and on day 14, with 4-hour curves on days 1 and 4. Both compounds demonstrated significant lowering of intraocular pressure at 8 AM, 12 hours following the evening dose, and through 10 and 6 hours following the 8 AM dose for sezolamide and MK-927, respectively. Morning trough (evening) activity as measured by mean percent change in intraocular pressure from prestudy was -9.2% for sezolamide and -11.1% for MK-927 (-13.5% and -9.6%); peak effect occurred 2 hours after dose administration and was -19.4% and -19.2% for sezolamide and MK-927, respectively. From 2 hours after dose administration, sezolamide consistently demonstrated a slightly greater decrease in intraocular pressure than MK-927; however, these differences were not statistically significant.

Administration, Topical↗
PubMed1991

[Moebius syndrome. Apropos of 2 cases].

Moebius syndrome is unusual and associates facial diplegia with a failure of lateral movements, and seems to be of nuclear or supranuclear origin, appearing during foetal life. Association with somatic malformations are frequent such as those of Poland syndrome. Surgery's envisaged when palsy of lateral movements is associated with deviation of the eyes.

Child↗
PubMed1990

[Post mortem HLA phenotyping of donors of eyes. Evaluation of a serological method of microlymphotoxicity on lymphocytes and PHA lymphoblasts].

To increase the number of HLA typed corneas a microlymphocytotoxicity assay on lymphocytes and PHA lymphoblasts was investigated. A double immunofluorescence technique using magnetic beads coated with anti-T8 (for class I) and anti-DR (for class II) monomorphic antibodies was applied. Blood samples from 50 non selected donors were obtained. HLA class I and class II typing was possible in 74% of the cases. Using PBL's (Peripheral Blood Lymphocytes) HLA class I could be defined in 29 out of 50 Cases and class II in 15 out of 50 cases. On PHA blasts HLA class I and class II antigens could be defined in 32 and 33 out of 50 cases respectively. Mean time of culture was 10 days (6-20). No influence of donor age and post partum time could be observed. By combination of both methods a significant proportion of eye donors could be reliably typed within a short time.

Adult↗
PubMed1990

[Candida albicans uveopapillitis. Diagnostic and therapeutic discussion apropos of a case].

Due to the difficulties encountered in the etiologie diagnosis of papillo uveitis along with the increasing occurrence of fungal infections (in paralleled with the number of AIDS affected patients), we found of interest to report a case of exsudative macular chorioretinitis with poor evolution under steroid therapy. In this patient infection by Candida Albicans was suspected and confirmed only after isolation and culture of the fungal from a vitrectomy specimen. A therapeutic apponch using Fluconazole (Triflucan allowed a dramatic improvement of visual acuity within a few months. Thus, vitrectomy appears as a decisive step in the diagnosis of endogenous ocular candidiasis. This diagnosis is even more difficult to suspect in patient without immun deficiency more any extraocular focal infestation.

Adult↗
PubMed1990

[Oculomotor paralysis and Lyme disease].

Lyme disease is an infectious multi system disorder caused by the spirochète Borrelia Burgdorferi. Neurologic syndromes occurring during the second stage of the illness are common and the neurologic feature is extremely variable. We report a case of Lyme disease with diplopia. In contrast with most reported cases of ocular motor involvement in Lyme disease, no other systemic symptoms were detected. The serodiagnosis, although mildly positive, was confirmed by western blot antibodies analysis and evaluation of CSF antibodies. Symptoms readily vanished 3 days after the introduction of antibiotherapy. The efficacity of antibiotic therapy on the quality and timing of functional recovery justifies the use of this therapy.

Adult↗
PubMed1986

[Course and prognosis of serous detachment of the retinal pigment epithelium].

In a 15-year retrospective study the spontaneous evolution of serous detachment of the pigment epithelium was investigated functionally, by perimetry, biomicroscopically, and angiofluorographically, in order to identify the manifestations of this syndrome and determine its prognosis. Serous detachments of the retinal pigment epithelium are generally associated with senile macular degeneration, central serous chorioretinopathy, diffuse pigment epitheliopathy, or are idiopathic. The patients studied were divided into two groups: 45 patients under 55 years old (64 eyes), kept under observation for an average of 70 months, and 42 patients over 55 years old kept under observation for an average of 38 months. These two groups were compared with a group of cases of isolated colloidal degeneration. The good prognosis for the first group is emphasized. Stabilization or improvement of visual acuity was normal. In the second group, complications included subretinal neovascularization in 29% and tears in the retinal pigment epithelium in 3.5% of the cases. Visual acuity deteriorated in one-third of the cases. Factors which adversely affected prognosis were an initial detachment larger than the diameter of the optic disk, macular location, and contralateral neovascularization. However, the results with spontaneous evolution were not worse than those in laser-treated cases reported in the literature.

Adult↗
PubMed1979

[Osteogenic aneurysmal orbital cysts].

The orbital form of this osseous tumor-like dystrophy is quite rare. The illustrated description of a new case is reported and the 13 cases of the literature reviewed. The main clinical and radiological data as well as the different treatments are commented upon. The anatomo-pathologic discussion focuses on the morphological aspects, hypotheses on the pathogenesis and differential microscopic features of the lesion as compared to other osseous lesions of the orbital bones.

Bone Cysts↗
PubMed1979

[Aneurysmal cyst of the orbit (author's transl)].

A child of 11 years of age was found to have an aneurysmal cyst of the orbit. This is an extremely rare cause for tumoral exophthalmia in children and the localization in this region is also very unusual. Only 14 cases are reported in the published literature. The main differences in relation to those occurring in the long bones and vertebrae are the constant absence of pain and the almost exclusively osteolytic radiological appearance.

Adolescent↗
PubMed1979

[Massive orbital osteolysis by a chordoma. Report of a case and review of the litterature (author's transl)].

Clinical, radiological and anatomical description of sellar chordoma giving, on a sixty seven years old man, an unusually large tumoral exophthalmos, a massive orbito-sphenoidal osteolysis and a chiasmatic syndroma. Discussion stresses the topographic data of chordoma in connection with the embryonal chordal cell rests. Patterns of evolution and neuro-ophthalmologic symptoms of cephalic chordoma are studied with the literature facts. Morphologic criteria, specifical ones and those differential diagnosis, are exactly scheduled.

Aged↗