[Breast-feeding or bottle. A study of factors influencing the choice of Quebec mothers].
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Adolescent↗
Biomedical subjects
S Fontaine
Publications and source records attributed to S Fontaine.
Correlations between magnetic resonance imaging-based hippocampal sclerosis and depth electrode investigation in epilepsy of the mesiotemporal lobe.
Quantitative analysis of hippocampal formations (HF) by magnetic resonance imaging (MRI) was correlated with depth electrode recordings in 18 patients with partial epilepsy. All had seizures of mesiotemporal origin. Electrodes explored three HF segments: amygdala and HF head and anterior and posterior HF body. Corresponding HF measurements were made on coronal MRI sequences, and atrophy was quantified by one global and three segmental indexes of asymmetry per patient. HF from which seizure originated showed global atrophy in 15 patients. Segmental analysis demonstrated discrete tissue damage in 1 patient; thus, 16 patients (88%) had significant hippocampal atrophy ipsilateral to the mesial focus. The existence of more pronounced atrophy in segments giving rise to ictal onset than in segments without ictal onset was not statistically significant. Nevertheless, in posterior HF, all segments (four) with seizure onset were atrophied and none of the nonatrophied posterior segments (four) were at seizure origin. These findings confirm that MRI-detected hippocampal atrophy is a powerful indicator of a mesiotemporal focus and strongly contributes to consideration of resective surgery without intracerebral EEG monitoring. Study of the distribution of maximal tissue damage may add some information, and help surgeons decide on the posterior extent of hippocampus removal. As illustrated by 3 patients who had multiple sites of seizure onset, however, the presence of this marker should not be interpreted systematically as evidence of pure mesiotemporal epilepsy.
Adolescent↗
[Impact of demographic changes on drug utilization related to diabetes in Aquitaine].
Diabetes is a chronic disease highly correlated to age. In 1998, the Sickness Find of the Aquitaine region has reimbursed 273 million French Francs for expenditures related to diabetes pharmaceuticals. The amount would increase to 300 million French Francs in 2005, a growth of nearly 10%, whereas the Aquitaine population would increase only 4%, from 2,909,000 in 1998 to 3,024,000 seven years later. The difference comes from population aging, as the calculations are undertaken "other things being equal": the insurance coverage rate, the disease prevalence rate, the consumption of pharmaceuticals per patient are supposed unchanged during the period.
Adolescent↗
Outpatient myelography with fine-needle technique: an appraisal.
Postmyelography headaches are produced mostly by CSF leakage at the dural puncture site and are therefore largely dependent on the size of the needle used. Our study of 300 consecutive outpatients who had lumbar myelograms performed with 25- and 26-gauge spinal needles shows that the procedure has become virtually innocuous. We recommend that 26-gauge spinal needles be widely adopted as the standard for fluoroscopically controlled intrathecal injections of contrast material.
Adolescent↗
Ascites as a cause of hyperechogenic kidneys.
In 40 patients with ascites, hyperechogenicity of the kidneys was directly proportional to the amount of fluid interposed between the clinically normal kidney and the transducer. The beam-enhancing phenomenon of ascites on renal parenchymal echogenicity should be distinguished from renal disease causing the increase in parenchymal echoes.
Ascites↗