Articles: general-anesthesia.
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Acta Obstet Gynecol Scand · Jan 1979
Effect of induction of general anesthesia for cesarean section on intervillous blood flow.
Intervillous blood flow was measured by a new intravenous 133Xe method before and during induction of general anesthesia for cesarean section in 10 healthy mothers. The flow values showed a highly significant decrease (p less than 0.001) (35 per cent on an average) at the time of anesthesia compared with the control values. The impairment was observed in all the cases. The role of the maternal changes in hemodynamic parameters and acid-base balance as a background of this decrease is discussed.
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This study was designed to re-evaluate neonatal condition at birth following elective cesarean section performed with epidural anesthesia and a modified technique of general anesthesia. Two groups of 20 patients were studied. Twenty received epidural anesthesia with 2 per cent lidocaine-carbon dioxide-epinephrine, and 20 patients were given general anesthesia. ⋯ No significant differences in oxygen tension and acid-base balance in umbilical venous and arterial blood were demonstrated between the two sets of neonates. One-and five-minute Apgar scores and time to sustained respiration were similar in both groups. Our observations of the infants immediately after delivery led us to conclude that either anesthesia technique is acceptable for elective cesarean section.
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A case of lower tracheal resection is reported. A number 28 Foley catheter was modified and successfully used to ventilate the lungs through the short distal tracheal stump.
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A retrospective evaluation was made of the blood pressures of 131 patients with hypertensive late gestosis who had undergone caesarean section for maternal or foetal indications, between 1971 and 1977. Rauwolfia preparations should be avoided in both long-term and acute hypotensive treatment of late gestosis patients not only for their unfavourable impact upon circulation at large, but also for their cumulative effects in terms of drastic depression of blood pressure in case of anaesthesia necessary for whatever reason. ⋯ Anaesthesia should be induced, using the base anesthetic propanidid which worked extremely well in terms of circulatory stabilisation. It is obviously superior to barbiturates in that particular respect.