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N/A N=50 Randomized Double-blind Treatment

Effect of a Sciatic Block (SNB) Combined With a Continuous Femoral Block (CFNB) on Pain Scores After Knee Arthroplasty

Postoperative Pain

Bottom Line

View on ClinicalTrials.gov: NCT01337115 ↗
Enrolled (actual)
50
Serious AEs
0.0%
Results posted
Jun 2012
Primary outcome: Primary: Visual Analogue Scores (VAS) - Pain Scores Measured in mm (0-100) — 59.4; 30.2 units on a scale — p=0.001

Study Design & Population

Study type
Interventional
Phase
N/A
Interventions
SNB plus CFNB (Procedure); CFNB (Procedure)
Age
Pediatric, Adult, Older Adult
Sex
All
Sponsor
Centro Hospitalar do Porto
Primary completion
Feb 2012

Outcome Measures

OutcomeResultp-value
PRIMARY
Visual Analogue Scores (VAS) - Pain Scores Measured in mm (0-100)		 59.4; 30.2 0.001 sig
PRIMARY
VAS Results - Pain Measured in mm (0-100)		 26.1; 9.2 0.006 sig
PRIMARY
VAS Results - Pain Scores Measured in mm (0-100)		 30.13; 32.68 0.723
SECONDARY
Satisfaction With Anesthesia Technique in Each Arm of the Study		 0; 0; 3; 2; 17; 11 0.537

Summary

The purpose of this study is to determine if the addition of a sciatic nerve block (SNB) to a continuous femoral nerve block (CFNB) improves post-operative analgesia after knee arthroplasty.

Eligibility Criteria

Inclusion Criteria

  • Unilateral total knee replacement

Exclusion Criteria

  • Contra-indication for general anesthesia
  • Infection on puncture site
  • Coagulation disorders
  • Pre-existent neuropathies
  • Allergies to local anesthetics, paracetamol, diclofenac and tramadol
  • Severe dyspepsia
  • Less than 50kg weigh
  • Body Mass Index (BMI) greater than 40
  • American Society of Anesthesiologists (ASA) Physical Status 4 or 5
  • Absence of capacity to use the Visual Analog Score (VAS) scale
  • Refusal to give informed consent
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT01337115). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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