postoperative pain after hallux valgus repair surgery
Conditions
Interventions
For patients in the 0.25% ropivacaine use group, we prepare 17 ml of 0.25% ropivacaine. Each drug solution will be prepared by a person, who is not the anesthesiologist or block provider. The ankle
the total dose for the five nerve blocks is 17 ml. Thus, the dose of ropivacaine for the 0.25% ropivacaine group would be 42.5 mg. These doses are for use within insurance coverage (up to 300 mg of r
the total dose for the five nerve blocks is 17 ml. Thus, the dose of ropivacaine for the 0.75% ropivacaine group would be 127.5 mg. These doses are for use within insurance coverage (up to 300 mg of
Sponsors
Tokyo women's medical university
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: (1) The patient can move his/her ankle joint following to our instructions (2) The patient can understand Japanese language
Exclusion criteria
Exclusion criteria: (1) Patients weighing less than 42 kg (2) Patients with coagulation disorders (3) Peripheral neuropathy or chronic pain syndrome (4) Infection at the site of insertion (5) Allergy to local anesthetics (6) Patient refusal (7) Patients with renal function disorder(eGFR <60), impaired hepatic function (AST, ALT and Gamma-GTP are outside the reference values) (8) Patients diagnosed with diabetes mellitus (9) Patients deemed inappropriate as research subjects by the principal investigator
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The time elapsed between the block procedure and the first intravenous analgesic request (the unused rate in each group when the patients do not request analgesics exclude our institutional standard multimodal analgesic regimen) | — |
Countries
Japan
Contacts
Public ContactTomoki Sasakawa
Tokyo women's medical university the department of anesthesia
Outcome results
None listed