Der Anaesthesist
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Randomized Controlled Trial Comparative Study Clinical Trial
[Glucose-xylitol 35% (1:1) versus glucose 40%. Effectiveness and metabolic effects after major surgery].
Injury and stress are accompanied by a characteristic hormonal response and altered energy utilisation. Hyperglycaemia and negative nitrogen (N) balance are the leading symptoms of the metabolic changes in the post-operative state. In a prospective, randomised study the efficacy and metabolic effects of glucose-xylitol (GX) 35% (1:1) versus glucose (G) 40% were investigated in patients undergoing major surgery. ⋯ Similar blood G profiles were in accordance with comparable glucagon and insulin levels. Because of the high standard deviations of N balances, differences in efficacy could not be proven. A significantly lower level of pseudocholinesterase (PCHE) for G40% on day 7 might indicate enhanced hepatic protein synthesis in the GX group.
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Randomized Controlled Trial Clinical Trial
[Wound infiltration with bupivacaine following pelviscopy does not reduce postoperative pain intensity. Results of a placebo-controlled, double-blind study].
The analgetic efficacy of intraoperative infiltration with bupivacaine 0.5% or saline of the skin incisions for the endoscopic trocars was examined in 30 female patients following operative endoscopic pelviscopy in a double-blind study. Infiltration of the peritoneum, abdominal wall, and subcutaneously was performed by endoscopic view before skin suture. There were no significant differences between the two groups in age, duration of surgery, operative technique, intensity of preoperative acute and chronic pain, or state of anxiety. ⋯ Pain due to skin incision was noted less, but in equal numbers in both groups. Of the patients in the bupivacaine group 77% and in the control group 80% started with PCA due to increasing pain scores within 60 to 120 min. The numbers of tramadol demands and given doses did not differ (Fig. 2).(ABSTRACT TRUNCATED AT 250 WORDS)
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Randomized Controlled Trial Comparative Study Clinical Trial
[The effect of different types of anesthetic respirators on oxygenation and ventilation in infants during short-term anesthesia. A study using transcutaneous PO2 and PCO2 monitoring].
Monitoring of ventilation in infants is difficult and often not very reliable. In this study, transcutaneous measurement of blood gas tensions was used to investigate the influence of four different modes of ventilation on oxygenation and ventilation in anaesthetized infants. METHODS. ⋯ The group-specific differences in degree of dysventilation with manual ventilation show that the type of breathing system is important with regard to the size of the tidal volume delivered. Thus, tidal volumes will be unintentionally increased by the high fresh gas flow needed when a T-piece system is used. The lower flow and preadjusted pressure limit may prevent the delivery of excessive tidal volumes with the paediatric circuit system...
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Malignant hyperthermia (MH) is a rare, life-threatening pharmacogenetic disease. The genetic incidence is estimated to be 1:10,000. In predisposed individuals, MH is triggered by volatile anaesthetics and/or depolarizing muscle relaxants by an abnormal increase of intracellular calcium concentration in skeletal muscle cells. ⋯ In some MH families, a genetic alteration of the ryanodine receptor gene (a calcium channel of the sarcoplasmic reticulum) on chromosome 19 has been identified as the potential cause of MH susceptibility. Recent molecular biological findings support the view of MH being a heterogenetic disease. At present, the diagnosis in potentially MH-susceptible individuals is still made using the in vitro halothane and caffeine muscle contracture test.
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Modern medicine has succeeded in achieving enormous technical developments. One recent highlight has been the introduction of postmortem organ transplantation. At the same time, serious objections have been raised concerning the radical changes in the cultural conception of the inviolable body. ⋯ The beneficiary of the treatment is not the donor, but another person, the recipient. The concept of human dignity does not allow the use of a person for purposes other than the ones he/she consents to, as Immanual Kant stated. Although the human corpse is not a person in the full sense, even if it is protected by the thought of respect for the former person, the life-interest of the organ recipient had to be considered legitimate.(ABSTRACT TRUNCATED AT 250 WORDS)