Articles: anesthetics.
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Ann Fr Anesth Reanim · Jan 1985
Review[Reassessment of the respective risks of anaphylaxis and histamine liberation with anesthetic substances].
A search of the French and English language literature of the last 20 years (1964-1984) yielded 975 cases of immediate anaphylactoid reactions due to anaesthetic drugs given parenterally. The accident mechanism was confirmed in only half the patients, and nearly always at a later date. The immunoallergological tests most often used in the diagnostic process were skin tests and Prausnitz-Küstner tests. ⋯ The signs most often described were cutaneous, cardiovascular, respiratory and occasionally gastro-intestinal. Whilst hypnotic drugs were responsible for cutaneous signs, muscle relaxants gave cardiovascular signs. A past history of drug allergy was found in 37% of cases, and atopy in 38%; virtually all patients had already had one or more anaesthetics.
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Acta Obstet Gynecol Scand · Jan 1985
Randomized Controlled Trial Comparative Study Clinical TrialAnalgesia and maternal side effects of pudendal block at delivery. A comparison of three local anesthetics.
In a randomized double-blind study, 1048 women received pudendal block (PDB) at vaginal delivery, using three different local anesthetics: mepivacaine 1% plain, mepivacaine 1% with epinephrine, and bupivacaine 0.25% plain. The PDB was given transvaginally in doses of 8 ml X 2. Mepivacaine - epinephrine was found to be more effective than the other local anesthetics. ⋯ Inhibition of labor was slightly more pronounced with mepivacaine - epinephrine. The different durations of the local anesthetics did not affect the analgetic effect in clinical use. It is concluded that as the adverse effects on labor are quite common, PDB should not be given as a routine before delivery, but may be offered liberally when pain in the pudendal area is a main part of the pain of childbirth.