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Biomedical subjects

H Rodler

Publications and source records attributed to H Rodler.

15 recordsLinked to original sources
PubMed1980

[Frontotransversal gunshot through both orbits leading to destruction of the bulbs in a case of attempted suicide (author's transl)].

In a case of attempted suicide a frontotransversal gunshot through both orbits led to symmetrical destruction of the bulbs and orbits. Examination revealed a rupture of both bulbs, fractures of the orbital roofs and floors, and destruction of the os ethmoidale. In the frontal cortex we found focal contusions. The physical effect of the gunshot on one hand, and the special anatomical relations of the orbit on the other, explain the serious consequences of orbital gunshot damages.

Brain Concussion↗
PubMed1980

[Follow-up study in patients with neuritis retrobulbaris (author's transl)].

In 11 patients with multiple sclerosis (MS) and eight patients in whom MS was not verified visus, computerized perimetry, bipolar flash evoked cortical potential (H-EP) and pattern-reversal evoked cortical response (M-EP) were recorded in the acute stage and convalescent period of neuritis retrobulbaris. In the acute stage visual field deficiencies, diminutions of H-EP and M-EP amplitudes and increases in H-EP latencies were seen in both eyes in all cases. The most severe pathologic changes were found in the worst eyes in the group without MS. In the convalescent period a complete restitution of the electro-ophthalmological parameters was found in neither group of patients by statistical methods. Restitution was more common in patients who were not suffering from MS.

Adult↗
PubMed1979

[Differential diagnosis of amblyopia and retrobulbar neuritis with electroophthalmologic methods].

The electroretinogram (ERG), the brightness visual evoked cortical potential (H-EP) and the pattern reversal visual evoked cortical potential (M-EP) were recorded from 7 patients with amblyopia and 5 patients with neuritis retrobulbaris. The ERGs and the H-EPs of the amblyopic eyes were normal whereas the amplitude of the M-EP was significant diminished. The parameters of the ERG recorded from the patients with neuritis retrobulbaris showed normal values, however the H-EPs were significantly decreased and the peaktimes were delayed. Also a decrease in the amplitudes of the M-EPs was noticed. This method is a usefull clinical contribution in the differential diagnosis between amblyopia and neuritis retrobulbaris.

Adolescent↗
PubMed1978

[Electroophthalmological investigations in amblyopia (author's transl)].

In the case of 8 amblyopic patients the ERG and the brightness VECP, as well as the TV-pattern reversal VECPs in whole field and upper and lower half field stimulation, were traced. In the ERG (a- and b-wave) and the brightness VECP significant differences were established neither in the amplitude nor in the latenz between amblyopic and healthy eyes. The amplitude of the pattern reversal VECPs in whole field and lower half field stimulation was significantly reduced in all 8 patients on the side of the amblyopic eye.

Amblyopia↗
PubMed1976

[Continuous telemetric recording of intracranial pressure].

A report is given on the development of a telemetric system for continuous recording of intracranial pressure, using an external energy source. The pressure transducer, called Teleceptor, is placed in the subdural space through a burr hole. The resonance frequencies of the transmitter and receiver circuits in the implanted transducer are influenced by a pressure-sensitive membrane in such a way that pressure variations result in resonance point displacement and energy transfer reduction. The necessary tuning of the transmitter frequency to maximum energy transfer is in direct proportion to the magnitude of pressure modification.

Humans↗
PubMed1976

Telemetry of intracranial pressure.

A new technique is described for telemetric measurement of intracranial pressure in man using an external energy source and a small pressure transducer, called a TELECEPTOR, implanted in the skull. The method presents advantages, especially for long term recordings.

Female↗