Comparison of postoperative opioid consumption with or without remifentanil in patients who undergoing femoral nerve block during total knee arthroplasty

Not Applicable

Conditions: Diseases of the musculoskeletal system and connective tissue

Registration Number: KCT0007186

Lead Sponsor: Dong-A University Hospital

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: ot yet recruiting

Sex: All

Target Recruitment: 66

Inclusion Criteria

?American Society of Anesthesiologists classification I, II, III
? Patients over 30 years of age and under 90 years of age who agreed to participate in the study
? Patients undergoing total knee arthroplasty (TKA) performed at our hospital

Exclusion Criteria

? Patients with infection at the site where the blockage was performed
? Patients with chronic opiate dependence
?Patients with morbid obesity (BMI>35)
?Patients with pre-existing neurological deficits
? Patients with bleeding tendency
? Patients with hypersensitivity to Remifentanil or Ropivacaine
? Patients with uncontrolled diabetes
?Pregnant women
?Patients with psychoscocial problems
?Patient's refusal
?Patients who do not understand how to use PCA
? Patients with impaired left ventricular function due to cardiac output < 0.35

Study & Design

Study Type: Interventional Study

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Cumulative IV Fentanyl Consumption 48 Hours Post-operatively

Secondary Outcome Measures

Name	Time	Method
vital sign change during operation;qNOX change during operation;hypotension during operation;bradycardia during operation;operation time;time taken for block;anesthesia time;Time of first request for opioid analgesic;Pain intensity 6 hours after operation;Pain intensity 12 hours after operation;Pain intensity 24 hours after operation;Pain intensity 48 hours after operation;Pain intensity 72 hours after operation;Cumulative IV Fentanyl Consumption 6 Hours Post-operatively;Cumulative IV Fentanyl Consumption 12 Hours Post-operatively;Cumulative IV Fentanyl Consumption 24 Hours Post-operatively;Cumulative IV Fentanyl Consumption 48 Hours Post-operatively;Cumulative IV Fentanyl Consumption 72 Hours Post-operatively;Remifentanil dose during operation;side effects after operation;blood transufusion;sleep satisfaction;Satisfaction with pain control