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Biomedical subjects

D Linke

Publications and source records attributed to D Linke.

8 recordsLinked to original sources
PubMed1978

Blink reflex in facial-hypoglossal anastomosis.

The blink reflex was investigated in two patients after a facial-hypoglossal anastomosis had been performed. In each case the first component of the blink reflex could be demonstrated with normal latency on the operated side after ipsilateral supraorbital stimulation. These findings give further evidence that the first component of the blink reflex is not monosynaptic in nature. The second component of the blink reflex was distinctly retarded in the first case and was not seen at all in the second case. The second component of the blink reflex is influenced strongly by alteration of the intrabulbar and efferent part of the reflex circuits; it shows some correlation with voluntary motor activity.

Aged↗
PubMed1977

Neurophysiological experiments on intention tremor (author's transl).

During a postural innervation, cerebellar intention tremor can be produced by applying direct stimulus to the muscle. The stimulus is followed by a silent period of 160 to 200 ms, which exceeds the normal variation. Simultaneously, a massive rebound in the antagonistic muscle is evoked due to the tension reflex in the agonistic muscle. Passive shortening or stretching of the voluntarily activated muscle has no effect: there is no silent period in the shortened muscle, no rebound in the stretched muscle, and, consequently, little or no oscillation follows. The spindle apparatus seems irrelevant to the development of intention tremor. The feedback mechanism of the Golgi-inhibition systems is discussed. These findings cannot be explained by assuming a central pacemaker.

Cerebellum↗
PubMed1977

The use of hyperbaric oxygenation in the treatment of spinal cord lesions.

In 13 patients with compressive spinal cord lesions we performed a trial of treatment with hyperbaric oxygen (HO). This therapy was postoperatively administered when neurological deficit persisted. In order to assess the effect of each individual HO session (given daily at an inspiratory oxygen pressure (PO2) of 1.5 atmospheres absolute for 40 min) as well as of the entire HO therapy (consisting of 10-15 single sessions in each case) neurological and electromyographical follow-up examinations were regularly performed. In 6 of the 13 patients we found a marked improvement, particularly in motor functions. The other patients only showed little change in neurological status. Arterial and cerebrospinal fluid (CSF) PO2 were concurrently measured in 8 patients during HO sessions. The values of both showed a considerable increase. The rise in CSF PO2 may be regarded as indicative for an improved oxygenation of the spinal cord tissue during HO treatment. On the basis of these findings we may assume that repetitive HO treatment can be helpful in the management of compressive spinal cord lesions.

Adolescent↗