Moderate hypothermia for 359 operations to clip cerebral aneurysms

British Journal of Anaesthesia
P KimmeF Sjöberg

Abstract

Experimental data have suggested that hypothermia (32-34 degrees C) may improve outcome after cerebral ischaemia, but its efficacy has not yet been established conclusively in humans. In this study we examined the feasibility and safety of deliberate moderate perioperative hypothermia during operations for subarachnoid aneurysms. A total of 359 operations for intracranial cerebral aneurysms were included in this prospective study. By using cold intravenous infusions (4 degrees C) and convective cooling our aim was to reduce the patient's core temperature to more than 34 degrees C within 1 h before operation. The protocol assessed postoperative complications such as infections, prolonged mechanical ventilation, pulmonary complications and coagulopathies. During surgery, the body temperature was reduced to a mean of 32.5 (SD 0.4) degrees C. Cooling was accomplished at a rate of 4.0 (SD 0.4) degrees C h(-1). All patients were normothermic at 5 (sd 2) h postoperatively. Peri/postoperative complications included circulatory instability (n=36, 10%), arrhythmias (n=17, 5%) coagulation abnormalities and blood transfusion (n=169, 47%), infections (n=29, 8%) and pulmonary complications (infiltrate or oedema while on ventilatory support) ...Continue Reading

References

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Citations

Mar 15, 2006·Current Opinion in Anaesthesiology·Akiko Taguchi, Andrea Kurz
Jan 30, 2015·The Cochrane Database of Systematic Reviews·Imelda M GalvinMicheal C Wallace
Oct 5, 2020·Seizure : the Journal of the British Epilepsy Association·Bence CsernyusAnita Pongrácz

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