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Clinical Trial Summary

Effect of perineural dexamethasone on the duration of popliteal nerve block after ankle/foot surgery


Clinical Trial Description

This study is proposed to explore the effect of perineural dexamethasone on the duration of popliteal nerve block for analgesia after ankle surgery. After ankle or foot arthrodesis patients need a good analgesia. Nevertheless early mobilisation and discharge are important for the healing process after surgery. Peripheral nerve blocks have provided a safe, effective method to control early postoperative pain when symptoms are most severe. Perineural dexamethasone added to local anesthetic prolongs the duration of analgesia of the perineural nerve block. The perineural use of dexamethasone is still off-label. There is a ongoing discussion of which has better benefits, intravenous or perineural dexamethasone. There are multiple research where the intravenous and perineural dexamethasone use has compared, but there is still a limited amount of research of low dose perineural dexamethasone versus intravenous dexamethasone. In this study investigators compare different doses of perineural dexamethasone added to ropivacaine 2 mg/ml 20ml. After arthrodesis under spinal anaesthesia the patients receive popliteal block ropivacaine 2 mg/ml 20 ml and dexamethasone of different doses. Groups 1 to 4 has dexamethasone doses 0, 2mg, 3mg or 4 mg. After the popliteal nerve block investigators follow postoperative pain, opiate consumption, mobilisation and long term quality of life. Investigators goal is to find a dexamethasone dose which is as low as possible but at the same time covers the need for a good pain relief and fast recovery postoperatively. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03332316
Study type Interventional
Source Tampere University Hospital
Contact
Status Completed
Phase Phase 4
Start date November 2, 2017
Completion date November 21, 2023

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