Kiya Tomohiro, Fujimura Naoyuki, Okanuma Mioko, Namiki Akiyoshi
Department of Anesthesiology, Sapporo Medical University, School of Medicine, Sapporo 060-8543.
Masui. 2003 May;52(5):500-4.
Diaphragmatic function is impaired after abdominal surgery. We investigated the effect of continuous extradural infusion of bupivacaine on diaphragmatic function after upper abdominal surgery using respiratory inductive plethysmography (RIP).
Ten healthy patients for upper abdominal surgery were divided into two groups; the first group of patients with continuous extradural infusion of morphine (group 1) and the second group of patients with continuous extradural infusion of morphine and bupivacaine (group 2).
On the first day after surgery, there was no significant difference between the visual analogue scale scores in the two groups. Abdominal contribution to tidal volume (VAB/VT) in group 1 was significantly decreased compared to that of the pre-operative value. VAB/VT in group 2 was significantly higher than that in group 1.
Continuous extradural infusion of bupivacaine improves diaphragmatic function after upper abdominal surgery.
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