Articles: general-anesthesia.
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British dental journal · Dec 1992
Multicenter StudyThe use of general anaesthesia for tooth extraction in children in London: a multi-centre study.
Following publication of the Poswillo report, the continued use of general anaesthesia in dentistry became the subject of a major debate. In particular, the provision of general anaesthetic services by general dental practitioners in order to carry out simple extractions for child patients has been called into question. Other authors have strongly supported the continued need for general anaesthesia and insist that for some patients it remains the technique of choice. ⋯ There was evidence of an increase in numbers at one centre when results were compared to those of a previous study and some evidence of a change in pattern of referral with time at the same centre, with an increase in the numbers of patients referred by general dental practitioners. Eighty-three per cent of the anaesthetics had been given for the extraction of carious primary teeth, with an average of 3.3 being extracted per child. Nearly one-third of the anaesthetics were for children under the age of 5 years.
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Eighty patients undergoing elective thoracotomy were studied to assess the possibility of predicting arterial oxygenation (PaO2) during one-lung anaesthesia (OLA). The first 50 patients were studied retrospectively. The method of multiple linear regression was used to construct a predictive equation for PaO2 during OLA. ⋯ Four of 30 patients had a predicted PaO2 at ten minutes of OLA < 150 mmHg. Of these, 2/4 subsequently required abandonment of OLA for pulse oximetric saturation < 85%. We conclude that although it is not possible to predict an individual patient's PaO2 during OLA with a high degree of accuracy, it is possible, before the initiation of OLA, to identify those patients whose arterial oxygenation is likely to decrease to low levels during OLA.
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Case Reports
General anaesthesia and the hypereosinophilic syndrome: severe postoperative complications in two patients.
Two patients with markedly increased eosinophil counts developed severe postoperative complications after general anaesthesia. One patient suffered life-threatening Adult Respiratory Distress Syndrome (ARDS), while the other presented with a coagulopathy and less severe respiratory problems. ⋯ These cases suggest that, in patients with marked eosinophilia requiring general anaesthesia, perioperative steroid cover is advisable. This may reduce or prevent serious lung damage and other complications.