title: Human blood pressure and pulse rate response to racemic epinephrine retraction cord.
abstract: 1. The pulse rate of patients after application of racemic epinephrine-impregnated retraction cords depends more on the level of anxiety and stress than on the level of the epinephrine. 2. Blood pressure is elevated by placement of racemic epinephrine-impregnated retraction cords upon an exposed vascular bed or lacerated tissue. 3. Four percent racemic epinephrine-impregnated retraction cords cause less elevation of blood pressure than 8% racemic epinephrine cords. 4. Although the elevations in blood pressure from 8% cord occur within a narrow range, this range may be hazardous to cardiac patients. Therefore, 4% racemic epinephrine cord should be used. 5. A desirable amount of tissue retraction is produced by 4% racemic epinephrine cord. 6. Dry cords do not provide adequate retraction of tissue and are contraindicated for tissue-retraction purposes.
mesh_terms: D000328:Adult; D001794:Blood Pressure / Q000187:drug effects*; D003442:Crowns; D003761:Dental Impression Technique / Q000295:instrumentation*; D004341:Drug Evaluation; D004837:Epinephrine / Q000008:administration & dosage / Q000494:pharmacology*; D005069:Evaluation Studies as Topic; D005260:Female; D005881:Gingiva / Q000033:anatomy & histology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010919:Placebos; D011674:Pulse / Q000187:drug effects*; D064705:Racepinephrine
chemical_list: D010919:Placebos; D064705:Racepinephrine; D004837:Epinephrine