Continuous Versus Intermittent Sciatic Block for Total Knee Arthroplasty

Continuous Versus Intermittent Sciatic Block Combined With a Continuous Femoral Block for Patients Undergoing Total Knee Arthroplasty: a Prospective, Randomized Trial.

Status

Completed

Phases

Phase 4

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT01843153

Enrollment

140

Registered

2013-04-30

Start date

2013-04-30

Completion date

2014-12-31

Last updated

2015-03-31

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Pain, Total Knee Arthroplasty

Keywords

pain score

Brief summary

The role of a sciatic block in addition to a femoral block remains controversial. The study addresses this topic by comparing a continuous block versus an injection on demand.

Interventions

DRUGRopivacaine

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

TREATMENT

Masking

NONE

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Healthy volunteers

Inclusion criteria

* Patients scheduled for total knee arthroplasty

Exclusion criteria

* failure to establish femoral and sciatic block * insufficient analgesic effect of the block * patient declines to participate

Design outcomes

Primary

Measure	Time frame
pain score (VRS)	4 days

Secondary

Measure	Time frame
frequency of injections into the sciatic catheter	4 days

Countries

Germany

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 14, 2026