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Pain Compared Between the First and the Second Surgery in Staged BTKA

Comparison of Postoperative Pain in the First and Second Knee in Staged Bilateral Total Knee Arthroplasty: Clinical Evidence That Central Sensitization Increases Systemic Pain Sensitivity

Status
UNKNOWN
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT01457313
Enrollment
34
Registered
2011-10-21
Start date
2011-10-31
Completion date
2013-03-31
Last updated
2013-02-06

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

Conditions

Knee Osteoarthritis

Brief summary

postoperative pain and analgesic consumption between the first and the second surgery would be compared in patients undergoing staged bilateral total knee arthroplasty (BTKA).

Detailed description

postoperative pain and analgesic consumption is compared between the first and second total knee arthroplasty (TKA) operation.

Interventions

None listed

Sponsors

Seoul National University Bundang Hospital
Lead SponsorOTHER

Study design

Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
No minimum to 85 Years
Healthy volunteers
No

Inclusion criteria

* patients undergoing elective bilateral staged total knee arthroplasty at a 1-week interval under spinal anesthesia, * age \<=85 * American Society of Anesthesiologists physical status of I to II

Exclusion criteria

any contraindication to spinal anesthesia or femoral nerve block such as coagulopathy; conversion to general anesthesia; preexisting pain syndrome; abnormal liver function or renal test results; severe heart, liver, or renal disease; history of stroke or neurologic deficits; psychiatric disorder; chronic opioid use; drug dependency; allergy to study medications; inflammatory joint disease; previous surgery on or trauma of the knee; difference in preoperative VAS score of ≥ 20 (at rest and at maximum knee flexion) between each side of the knee; body mass index of ≥ 40 kg/m2; and inability to comprehend the VAS or to use patient-controlled analgesia (PCA.

Design outcomes

Primary

MeasureTime frameDescription
VASfrom the end of the TKA surgery until postoperative 48 hourvisual analogue scale

Secondary

MeasureTime frameDescription
analgesic consumptionfrom the end of the TKA surgery until postoperative 48 hourpatient controlled analgesia (fentanyl)
rescue analgesicfrom the end of the TKA surgery until postoperative 48 hourketoprofen
antiemeticsfrom the end of the TKA surgery until postoperative 48 hourantiemetics total amount

Countries

South Korea

Contacts

Primary ContactMihyun Kim, PhD
snmd56@yahoo.com82-31-787-7499

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026