Biomedical subjects
Publications and source records attributed to B Bormann.
It is reported on 2 patients with severe intraoperative anaphylactic shock due to repeatedly use of Urocomb-Gel in transurethral resection. As the cause of allergic reaction in both patients the local anesthetic Propipocain is suspected. Since that time no mucosal anesthetics are used during transurethral resection.
The role of techniques used for management of intra- and postoperative pain on plasma levels of antidiuretic hormone (ADH) was evaluated in 107 patients undergoing abdominal or thoracic surgery. Fifty-one patients had neurolept-anesthesia (NLA) intraoperatively followed by intramuscular piritramide, a long-lasting synthetic narcotic, for relief of postoperative pain. Fifty-six patients had a combination of epidural bupivacaine and NLA intraoperatively followed by epidural fentanyl for relief of postoperative pain. All patients had daily measurements of serum levels of potassium and sodium, plasma levels of ADH, and plasma osmolality for the first 5 postoperative days. In 67 patients arterial blood-gas tensions also were measured at similar times. There were no significant changes in serum electrolyte levels, plasma osmolality, or blood-gas tensions intra- or postoperatively. Plasma ADH levels increased postoperatively in all patients, but in patients given NLA followed by postoperative intramuscular narcotics, plasma levels of ADH were more than twice as great as in patients given epidural anesthesia followed by epidural fentanyl.
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This study compares speech discrimination and the use of hearing aids of the PC (peac-clipping) system and the AGC (compression) system. After random selection 34 subjects were used and grouped according to the unit system they had been supplied with. Both groups were tested under the same conditions. During noise exposure the group supplied with the AGC aids achieved better results significantly at a 5% level. The results indicate that the assumption that PC hearing aids operate better in noise than AGC aids cannot be substantiated.
This paper discusses the functional relatiohship between the position of the stapedius reflex threshold and the results of the Feldmann test. 25 hearing-impaired patients have been examined in this respect. A positive correlation on a 5% level of significance has been confirmed between these two parameters.
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