Revista española de anestesiología y reanimación
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Rev Esp Anestesiol Reanim · Jun 2004
Letter Case Reports[Two cases of erythroposia related to brachial plexus blocks].
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Oxygenation, or rather denitrogenation, prior to apnea during anesthetic induction attempts to replace alveolar nitrogen with oxygen to achieve an intrapulmonary oxygen reserve that will allow apnea to be as prolonged as possible with the least possible desaturation. During apnea, the rate of arterial desaturation depends mainly on the volume of oxygen stored in the lung, on mixed venous oxygen saturation, and on the presence of intrapulmonary shunt. ⋯ The efficacy of preoxygenation can be assessed by expired oxygen fraction or by pulse oximetry. In a healthy adult, both methods described ensure sufficient oxygenation (pulse oximetry 90% to 95%) after a period of apnea lasting between 6 and 10 minutes.
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Rev Esp Anestesiol Reanim · May 2004
Clinical Trial[Parascalene block for shoulder arthroscopic surgery].
To evaluate the effectiveness of a parascalene block of the brachial plexus as the single form of anesthesia for arthroscopic surgery on the shoulder and for postoperative analgesia. ⋯ The parascalene technique to provide a brachial plexus block is effective for arthroscopic shoulder surgery.
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Rev Esp Anestesiol Reanim · May 2004
Case Reports[Subarachnoid anesthesia for cesarean section in a patient with Ehlers-Danlos syndrome type II].
A 32 year-old woman with full-term pregnancy and a history of Ehlers-Danlos syndrome type II underwent cesarean delivery owing to breech presentation and the presence of oligohydramnios. Anesthesia was provided with a subarachnoid block with 6.5 mg of bupivacaine and 32.5 microg of fentanyl to T4. ⋯ The intervention was uneventful and the outcomes were excellent for both mother and fetus. A subarachnoid block with low doses of local anesthetic and fentanyl is an appropriate, safe alternative to general anesthesia for cesarean section in women with Ehlers-Danlos who have normal coagulation tests and no history of bleeding.