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Biomedical subjects

R Ott

Publications and source records attributed to R Ott.

At least 127 records · Page 7Linked to original sources
PubMed1978

[Hematuria].

Explore the source record for details and available documents.

Hematuria↗
PubMed1977

The development of intramedullary cavitation following spinal cord injury: an experimental pathological study.

It is concluded from this investigation that localised intramedullary cavitation will develop following non-disruptive spinal cord trauma if the magnitude of original trauma and resulting vascular damage is sufficient. Although an adhesive arachnoiditis also occurs with similar amounts of trauma, the initial vascular damage and subsequent reparative changes within the spinal cord appear to adequately explain the cavitation observed.

Animals↗
PubMed1976

Bladder and urethral recordings in acute and chronic spinal cord injury patients.

Three groups of patients with upper motor neuron lesions were studied. A first group consisted of 19 patients with complete lesions and 3 patients with incomplete lesions. All had an unbalanced bladder function which required surgical interventions. A second group consisted of 9 patients with chronic complete lesions who achieved balanced bladder function spontaneously. A third group consisted of 11 patients in the acute stage of injury. Polygraph recordings of pressure within the bladder, urethra, rectum and external anal sphincter were carried out with the help of video-tape monitoring and radiographic image intensification. Special catheter ballons with radiopaque markings were employed for pressure measurements. The behavior of the external urethral sphincter during spinal shock and the sequence of return of sacral somatic and visceral motor reflexes during recovery from spinal shock were investigated. It was shown that in spinal shock, the majority of patients retained sacral segment somatomotor reflex activity, in the absence of visceromotor activity, and that resistance values at the external urethral sphincter remained high. The highest resistance recorded in the membranous urethra was found to be located at the distal external sphincter, just before the bulb of the urethra.

Acute Disease↗
PubMed1975

Urinary manometry in spinal cord injury patients. External urethral sphincter pressure recordings before and after sphincterotomy.

Recordings of local pressure within the membranous urethra were performed in 15 male spinal cord injury patients before and after external sphincterotomy. Transurethral division of the external sphincter reduced the intraurethral pressure by 55% in the upper part of the membranous urethra and by 66% in the lower part. The local pressure within the membranous urethra seems to diminish in proportion to the importance of the incision of the urethral wall.

Humans↗
PubMed1975

Urinary manometry in patients with spinal cord injury: neurourological considerations in the rehabilitation of acute and chronic neurogenic bladder.

Recordings of pressure within the bladder, urethra, rectum, and external anal sphincter with image intensification and videotaping were carried out in spinal cord injury patients with complete and incomplete lesions, during spinal shock and in the chronic stage. The behavior of the external urethral sphincter and the somatic and visceral motor reflexes of the sacral segments were studied, during and after spinal shock. During spinal shock the majority of patients retained sacral somatomotor activity, in the absence of visceromotor activity, and resistance values at the external urethral sphincter remained high. Vascular oscillations were recorded in the membranous urethra. The highest resistance found in the membranous urethra was at the distal part of the external sphincter.

Acute Disease↗