Abdominal neuropathy after renal surgery.
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Abdomen↗
Biomedical subjects
R Medori
Publications and source records attributed to R Medori.
Experimental diabetic neuropathy: impairment of slow transport with changes in axon cross-sectional area.
Analysis of slow axonal transport in the sciatic and primary visual systems of rats with streptozotocin-induced diabetes of 4-6 weeks duration showed impairment of the transport of neurofilament subunits, tubulin, actin, and a 30- and a 60-kDa polypeptide in both systems. The degree of impairment was not uniform. Transport of polypeptide constituents of the slow component b, such as the 30- and 60-kDa polypeptides, appeared to be more severely affected than the transport of constituents of the slow component a, such as neurofilaments. Morphometric analysis of sciatic axons revealed a proximal increase and a distal decrease of axonal cross-sectional area. It is proposed that impairment of axoplasmic transport and changes of axonal size are related. Transport impairment results in a larger number of neurofilaments, microtubules, and other polypeptides in the proximal region of the axon, which increases in size, whereas fewer neurofilaments, microtubules, and other polypeptides reach the distal axons that show a size decrease. Such changes in axonal transport and area are likely to occur in other diabetic animal models and in human diabetes.
Actins↗
Diurnal fluctuations of human nerve conduction velocity.
In 14 normal subjects, sensory conduction velocity (SCV), determined at constant skin temperature, displayed diurnal fluctuations which were related to similar variations in rectal temperature. Control of surface limb temperature in routine EMG does not completely obviate the variations induced by the body temperature cycle. Diurnal fluctuations should be taken into account when performing serial CV determinations in the same individual.
Adult↗
Gowers local panatrophy.
Gowers local panatrophy is a rare disease of skin, subcutaneous and muscular tissues, occurring multifocally and related to the syndromes of congenital or acquired lipodystrophy, although it presents similarities with other connective tissue disorders such as scleroderma. We report here the clinical and electromyographic findings in two patients with local panatrophy and emphasize its benign course and its similarity to scleroderma circumscripta.
Adolescent↗
A polygraphic study of one case of primary alveolar hypoventilation (Ondine's curse).
We report here on a case of primary alveolar hypoventilation in a 9 yr old child. From the age of 8 years, the patient has suffered from episodes of bronchopneumonia associated with severe respiratory insufficiency and lethargy. After recovery, cyanosis developed during the night and, later on, during the day. On two occasions, serious respiratory depression followed ketamine sedation for cardiac catheterization and total anaesthesia for cerebral angiography. Pulmonary function tests showed normal volumes and normal mechanics of breathing; blood gas analysis revealed a slight hypercapnic acidosis and hypoxia. The ventilatory response to CO2 was virtually absent, whereas voluntary hyperventilation normalized blood gas values. A polygraphic recording during sleep showed a marked worsening of hypoventilation, which occurred soon after falling asleep and continued throughout all sleep stages; sporadic central apnoeas, at times prolonged, were recorded only during light sleep. The patient, now 14 yr old, is maintained in satisfactory condition with low flow nocturnal oxygen administration combined with the use of a body respirator during sleep twice a week.
Child↗