[Success and vicissitudes on organizing urgent care in pediatrics: presentation of a project of urgent pediatric medico-surgical care].
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Adolescent↗
Biomedical subjects
P Châtelain
Publications and source records attributed to P Châtelain.
Morphological changes in human myocardium during permanent pacing.
We have reviewed 74 cases of patients with permanent pacing, using different types of pacing leads in order to determine what morphological changes are produced by this therapy. Macroscopic examination of the heart was performed and slides at the implantation site reviewed when available. Severe chronic inflammation, scarring and a myocardial response were the prominent findings. From a strictly morphological aspect, the initial trauma at implantation time, the chronic foreign body reaction and myocardial response to chronic trauma, are both much less significant in endovenous than in epimyocardial pacing.
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