Acta anaesthesiologica Scandinavica
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Acta Anaesthesiol Scand · Feb 1995
Comparative StudyHow are haemodynamic and metabolic responses to haemorrhage influenced by segmental thoracic and thoracolumbar epidural analgesia? An experimental study in dogs.
To determine the effects of the spread of sympathetic blockade administered prior to haemorrhage on haemodynamic and metabolic responses to haemorrhage, we compared these responses among dogs treated by segmental thoracic epidural analgesia, thoracolumbar epidural analgesia and general anaesthesia. Group 1 of six dogs received 0.2% halothane plus epidural analgesia ranging from C4 to T5, group 2 of seven 0.2% halothane plus epidural analgesia ranging from C5 to L7, and group 3 of eight 0.9% (1 MAC) halothane anaesthesia. A volume of 35 ml.kg-1 was bled over 30 min. ⋯ The plasma epinephrine concentration increased immediately after haemorrhage and then decreased slowly in groups 1 and 3. In group 2 it remained unchanged at the lower level. The decreases in mean arterial pressure, systemic vascular resistance and base excess were significantly larger in group 2 than in groups 1 and 3.(ABSTRACT TRUNCATED AT 250 WORDS)
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Acta Anaesthesiol Scand · Feb 1995
Comparative StudyDeath associated with anaesthesia and surgery in Finland in 1986 compared to 1975.
Mortality associated with anaesthesia and surgery in Finland in 1986 was studied using a retrospective method and was compared with the results of a similar study performed in 1975. The total number of procedures was 325,585. 570 patients fulfilled one of the three criteria: 1. The patient died within three days of a procedure needing anaesthesia. 2. ⋯ At the same time there was also a significant increase in recovery room and intensive care facilities. Surgery was the main contributing factor in the death of 22 (frequency 0.68/10,000 procedures), and anaesthesia in the death of five (frequency 0.15/10,000 procedures) patients. The role of surgery had decreased to about one third and the role of anaesthesia to less than one tenth as the main cause of death associated with anaesthesia and surgery compared to the year 1975. 95.3% of all the patients died mainly because of co-existing medical or surgical disease.
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Acta Anaesthesiol Scand · Feb 1995
Ethanol monitoring of irrigating fluid absorption in transcervical resection of the endometrium.
We evaluated the precision in using ethanol to indicate and quantify absorption of irrigating fluid during transcervical resection of the endometrium. ⋯ Ethanol monitoring is precise enough to allow monitoring of irrigating fluid absorption in endometrial resection.
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Acta Anaesthesiol Scand · Jan 1995
Randomized Controlled Trial Comparative Study Clinical TrialWound infiltration with ropivacaine and bupivacaine for pain after inguinal herniotomy.
In a double-blind, randomized study, 32 patients scheduled for elective inguinal herniotomy under general anaesthesia received subcutaneous infiltration with 40 ml ropivacaine 2.5 mg/ml or bupivacaine. Postoperative pain intensity was assessed repeatedly for 24 hours at rest, during cough and movement on a visual analogue scale (VAS) and by means of pressure algometry. ⋯ The demand for analgesics was similar in the two groups. We conclude that incisional ropivacaine is as effective as bupivacaine in the management of post-herniotomy pain.