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1. Gastric juice collected during electro-anesthesia and limbic system stimulation in monkeys contains a substance which, when injected into other monkeys, produces reduction in basal gastric acid secretion. 2. Cross-circulation experiments indicate that a factor producing reduction in acid secretion is also present in blood during electroanesthesia.
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Explore the source record for details and available documents.
Explore the source record for details and available documents.
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The computer-controlled local anesthesia system and the TEA system present 21st-century alternatives to the traditional syringe. The TEA system is a non-invasive form of anesthesia that blocks pain electronically, using the same cellular mechanism as local chemical anesthesia. Targeted electronic anesthesia provides pain control for restorative dental procedures without the use of needles or postoperative discomfort, numbness, and swelling. The computer-assisted system outperforms syringes for traditional injections. This new system generates a precisely controlled anesthetic flow rate that eliminates the need for the operator to use thumb pressure to administer the injection. The lightweight pen-grasp handle results in greater tactile feedback, precision, operator ease, and patient comfort. The greatest advantage may be in the new techniques that it makes available. With these techniques, a dentist can target the teeth to achieve profound pulpal anesthesia, often without the annoying side effects of facial numbness. With this new advanced system in the maxillary arch, the AMSA injection offers clinical advantages over traditional anesthesia techniques, according to Dr. Mark Friedman, whom I consulted with earlier this year. In the mandibular arch, a safe and predictable PDL injection technique may replace the need for an inferior alveolar block in numerous clinical situations. The use of these modified injection techniques can have a positive influence on patient safety, patient comfort, and office productivity. Both of these systems take the fear and anxiety out of dental injections. They offer exciting advanced technology for local pain control. Significantly, if patient stress and anxiety are reduced, the operator immediately benefits. New horizons in local anesthesia offer improved opportunities for patient comfort using computer-controlled local anesthetic systems and TEA.
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The effect of cerebral electrotherapy (CET) on the pain threshold was investigated in 3 test persons, on 5 points of the neck of these persons. Altogether 1200 algesimetric measurements were performed. The statistical evaluation showed a significant tedency (p less than 0.01) towards an elevation of the pain threshold by CET.
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Despite largely negative findings, several subjects reported a remarkable improvement in their symptoms some two to three weeks after electrosleep (ES) treatment was concluded, so that it remains unclear whether or not ES may be an effective treatment. The clinical experience reported suggests that five half-hour ES treatments may not be sufficient to produce significant changes in the patient's anxiety and insomnia. Further investigations are required to examine the effects of varying durations of treatment.
This study was conducted to determine the effectiveness of transcranial electrotherapy (TCE) in reducing gastric secretion in man. TCE has been proposed as a therapeutic modality which induces a relaxed psychological state by the application of low intensity diffuse electrical current and has been purported by Soviet investigators to be beneficial in the treatment of peptic ulcers. Secretion rates were monitored in adult male volunteers by a method of intragastric titration utilizing a pH-sensitive telemetry capsule. In one study 5 subjects had their basal secretion rates monitored before, during, and after the application of TCE at graduated current intensities. A threshold of inhibition was observed for currents of 0.9 ma and greater. In a second study, 12 subjects had histamine-stimulated maximum acid output determined for control and during TCE application. Gastric acid secretion was reduced by an average of 30% when 1-ma TCE was applied, with individual reductions ranging from 5.7% to 53.2%. Since the application of relatively high TCE currents may produce discomfort in some subjects, a third study was conducted to determine whether the inhibition might not merely be the result of nonspecific noxious stimuli. For this study the electrical connections to the TCE electrodes were altered so that the same uncomfortable sensation was produced on the forehead, but no current was actually applied transcranially. This "placebo" TCE produced no reduction in the maximal acid output of 6 volunteers, but when the currents were applied transcranially, the gastric acid secretion was reduced by an average of 27% below control values.
Miniature swine are useful as experimental animals for investigations involving major surgical procedures, provided that proper restraint and anesthetic methods are employed. The methods and drugs described herein are not intended to be all-inclusive but rather those found most applicable to a wide variety of studies with miniature swine at this laboratory. This report is intended primarily to guide those unfamiliar in handling miniature swine during initiation of studies with that species. For chemical restraint during minor procedures, diazepam, at a dose of 5.5-8.5 mg/kg im, has become the drug of choice. For surgical anesthesia, optimal results have been obtained using thiamylal sodium iv for induction of anesthesia and maintained by 0.5-1.5% halothane administered via an endotracheal cannula. Pentobarbital sodium may be used to produce surgical anesthesia but is generally unsatisfactory except for terminal procedures. Electroanesthesia, even with concomitant use of tranquilizing drugs, is difficult to control and results in very poor muscle relaxation.
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Studies conducted on the use of acupuncture analgesia for dental procedures in the People's Republic of China have not provided sufficient evidence to indicate that acupuncture analgesia can replace conventional drugs as the preferred anesthetic. However, studies currently in progress in China and in the United States may be successful in finding ways to reduce the failure rate and in determining the operative benefits of acupuncture.
This paper traces the history of the use of electricity to treat pain, beginning with the first century A.D. practice of using the torpedo fish to treat gout, continuing through the eighteenth-century use of electrostimulation as an analgesic, up to 1900 when electroanalgesia fell into disrepute. The author recognizes the early empiric nature of electrotherapy as it was catalogued by the Reverend John Wesley, and the beginnings of speculation on the mechanism of pain relief by Berlioz, Sarlandière, and others.
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