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Biomedical subjects

E Gebert

Publications and source records attributed to E Gebert.

At least 19 recordsLinked to original sources
PubMed2001

Tensor analytical evaluation of the effects of a skeletonized activator in the treatment of Class II, Division 1 patients.

PATIENTS AND METHOD: The study covered 40 patients (21 boys and 19 girls) whose Class II, Division 1 malocclusion was being treated with a Klammt open activator. To illustrate growth changes, tensor analysis was used as a superimposition-free comparative technique. At the beginning of treatment for Class II correction, the boys had a mean age of 11.3 years and the girls a mean age of 10.1 years. Patients were evaluated on admission and on attaining normal occlusion. 58 boys and 63 girls participating in a growth study at Kings College School of Medicine and Dentistry, London, served as controls. RESULTS: Prior to treatment the participants suffering from Class II, Division 1 malocclusion exhibited distinct growth deficits in vertical direction. In the control group, the principal direction of mean growth was found to be anterior-inferior. Under the influence of the activator, growth was found to develop in the same direction as in the controls, so that anterior positioning of the lower jaw and an increase in lower facial height were attained.

Activator Appliances↗
PubMed1985

[Relaxograph--an improved technic for measuring relaxation].

The Relaxograph offers a facile measurement technique for relaxation. Electromyographic registration allows this technique to be used even in extreme positioning of the patient. Placement of the electrodes, calibration and measurement can be learned and applied in a very short time. Simple operation enables immediate and undisturbed working with this measurement system which is ideally suited for clinical routine. The problems encountered with the predecessors of this series in respect of calibration and measurement on the previously relaxed patient, have been largely done away with by this new concept.

Electric Stimulation↗
PubMed1983

[Pain relief with morphine, intrathecally or peridurally?].

We investigated pain relief following 1-2 mg morphine intrathecally applied in 7 patients with cancer pains and in 5 patients with multiple rib fractures (group 1). For postoperative pain relief (group 2) we applied 1-2 mg morphine intrathecally in 26 patients immediately before the induction of the anaesthesia. In 30 patients we applied 4 mg morphine epidurally in 10-20 ml saline solution for postoperative pain relief (group 3). In the first group the duration of the pain relief was 25,2 hours, in the second group 31 hours and in the third group 15,7 hours. In the second group a respiratory depression occurred in 3 cases and was successfully treated with naloxon. In the third group a bladder disorder occurred in two cases. Because of the risk of respiratory depression following intrathecally applied morphine, we recommend the epidural way of application.

Analgesia↗
PubMed1983

[Fluid distribution and catheter position in the peridural space in postoperative and cancer pain therapy. A radiological study].

A radiological study was made in 33 patients of the position of the epidural catheter and the spread of the contrast medium Metrizamide (Amipaque) when used in volumes of 10, 15 and 20 ml. The puncture at the interspinal space L2/L3 and L3/L4 allows the safe inclusion of eight peridural segments in all cases, whereas puncture of the upper regions of the spine results in a less predictable effect with spread of the injected fluid to higher spinal segments. A larger volume of contrast medium of 15 ml allows the safe inclusion of a larger number of spinal segments. Abnormal presentation, areas of fluid loss and the distribution of the analgesics or local anaesthetics injected may be detected early, which allows correction or adaptation of decisions concerning the fluid volume or the concentration of analgesics such as morphine.

Analgesics↗
PubMed1981

[Serum potassium rise following depolarizing muscle relaxants in immobilized patients (author's transl)].

We investigated the time-course of serum potassium levels after depolarizing muscle relaxants in immobilized patients of our critical care unit. It could be demonstrated that the duration and the degree of immobilisation determines the increase of serum potassium after application of succinylcholine or Imbretil (hexacarbacholine). In burned patients or patients with cord-lesions an earlier increase of serum potassium could be seen than in other immobilized patients. The potassium time-course shows a difference between short acting and long acting muscle relaxants. A block of repolarisation and its possibility of generating is discussed.

Burns↗
PubMed1980

[Morphine intrathecally - in postoperative and cancer-induced pain (author's transl)].

Morphine 2 mg was injected directly into the intrathecal space in 33 patients. In the nonoperative group (group I) morphine was given with 2 ml saline solution; in the operative group (group II, 21 patients) morphine was given with 2 ml 10% glucose solution immediately before induction of anaesthesia. The onset of pain relief occurred after 12 to 35 min and the duration of analgesia was 14 and 18 35 min and the duration of analgesia was 14 and 48 hours. In group II we observed in respiratory depression 3 cases and in one case bladder insufficiency after morphine. In group I bladder insufficiency occurred in 2 cases. The disturbed bladder function recovered spontaneously in a few hours after morphine application. Respiratory depression was treated successfully with naloxone.

Adult↗
PubMed1980

[Respiratory complications in lymphatic neoplasm of the mediastinum. A case report (author's transl)].

In this case report two accidents are described, in which a tracheal stenosis has happened. The stenosis in both cases was evoked by lymphatic neoplasms in the mediastine. The kinetics of the lymphatic fluid in anaesthesia and in intermittent positive pressure ventilation are discussed. The first patient had to be radiated with the "Gammatron" for reduction of lymphatic tissue in the following four days and then he could be extubated. The second patient could be extubated the same day after CPAP breathing for several hours.

Adult↗
PubMed1980

[The placing and the correcting of the position of central venous catheters with Seldinger's technique (author's transl)].

The Seldinger technique for placing and correcting the position of central venous catheters with a J-shaped guide wire has proved to be a valuable improvement on the technique available at present. The technique allows us to negotiate otherwise impassable "blocks" in the venous system and to correct problematic malpositioned catheters. The success rate in 135 cases of malpositioning was 81.5%. If in addition one had the help of X-ray scan, the catheters could be corrected in nearly every case. The Seldinger technique is particularly valuable in cases of tumours of the neck and upper mediastinum, in anticoagulant and thrombolytic therapy, in burns and for small children. No complications occurred.

Catheterization↗
PubMed1979

[Heparin-induced changes in blood gas analysis (author's transl)].

In modern blood gas analysis heparin is used for preventing coagulation in the syringe and the analyzer. If the amount of heparin added is too large the pH of the blood sample falls and so an artificial metabolic acidosis is induced. Consequently the amount of heparin used should be just enough to prevent blood coagulation without changing appreciably the acid-base status of the sample. High concentrations of inspired oxygen have no additional effect on the ability of heparin to alter the pH values.

Acid-Base Equilibrium↗
PubMed1979

[Inject-ventilation in bronchoscopy (author's transl)].

Jet ventilation initially described by Sanders has been modified and improved for use with the Storz bronchoscope. Theoretical and technical performance are discussed and the mechanical and physiological properties are dealt with e.g. FiO2, driving and endotracheal pressure, expiratory CO2 concentrations, blood gas analysis, pulmonary artery pressure and electrocardiographic changes. Using this method prolonged diagnostic and surgical procedures, such as cauterisation of bronchial adenoma, removal of foreign bodies from the airways especially of small children and bronchial toilet in status asthmaticus, are rendered free from problems for the anaesthetist. We believe that the inject ventilator is a very useful addition to endotracheal surgery.

Blood Gas Analysis↗