- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT07568106
Adductor Canal Block With or Without Biceps Femoris Short Head Block in Total Knee Arthroplasty
Effect of Adding a Biceps Femoris Short Head Block to an Adductor Canal Block on Postoperative Pain and Functional Outcomes After Total Knee Arthroplasty: A Randomized Controlled Trial
Total knee arthroplasty is associated with moderate to severe postoperative pain, which may delay mobilization and recovery. Multimodal analgesia including regional anesthesia techniques is widely used to improve outcomes. The adductor canal block (ACB) provides anteromedial knee analgesia but may not adequately cover the posterolateral region.
The biceps femoris short head (BiFeS) block is a novel motor-sparing regional anesthesia technique targeting the posterolateral capsule of the knee. This randomized controlled trial aims to compare the analgesic efficacy and functional outcomes of ACB combined with BiFeS block versus ACB alone in patients undergoing total knee arthroplasty.
The primary outcome is posterior knee pain at postoperative 6 hours. Secondary outcomes include pain scores within 48 hours, opioid consumption, early and late functional recovery, and opioid-related adverse effects.
Studieoversigt
Status
Betingelser
Undersøgelsestype
Tilmelding (Anslået)
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiekontakt
- Navn: Demet Lafli Tunay, M.D.
- Telefonnummer: +905358685831
- E-mail: dlafli@yahoo.com
Studiesteder
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Saricam
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Adana, Saricam, Tyrkiet (Türkiye), 01330
- Çukurova University
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Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Voksen
- Ældre voksen
Tager imod sunde frivillige
Beskrivelse
Inclusion Criteria:
- ASA I-III
- Adult patients undergoing unilateral primary TKA
- Planned spinal anesthesia
- Written informed consent
Exclusion Criteria:
- Coagulopathy
- Drug allergy
- BMI > 35
- Renal/hepatic failure
- Chronic pain or opioid use
- Depression or psychiatric disorder
- Revision or bilateral TKA
- Neurological deficits
- Preoperative ROM < 90°
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Firedobbelt
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
|---|---|
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Eksperimentel: ACB + BiFeS
Participants receive spinal anesthesia followed by an ultrasound-guided adductor canal block and a biceps femoris short head block using local anesthetic for postoperative analgesia.
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Ultrasound-guided adductor canal block performed with injection of local anesthetic into the adductor canal to block the saphenous nerve and provide postoperative analgesia following total knee arthroplasty.
Ultrasound-guided biceps femoris short head block performed with injection of local anesthetic between the biceps femoris short head and femur to target the posterolateral innervation of the knee for postoperative analgesia.
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Aktiv komparator: ACB + sham BiFeS
Participants receive spinal anesthesia followed by an ultrasound-guided adductor canal block and a sham biceps femoris short head block using normal saline.
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Ultrasound-guided adductor canal block performed with injection of local anesthetic into the adductor canal to block the saphenous nerve and provide postoperative analgesia following total knee arthroplasty.
Sham ultrasound-guided biceps femoris short head block performed with injection of normal saline at the same anatomical location to maintain blinding without providing active analgesia.
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Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Posterior Knee Pain Intensity
Tidsramme: 6 hours postoperatively
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Posterior knee pain assessed using the Numeric Rating Scale (NRS, 0-10), where 0 indicates no pain and 10 indicates worst imaginable pain.
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6 hours postoperatively
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Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Postoperative Pain Intensity
Tidsramme: 30 minutes, 1, 6, 12, 24, and 48 hours postoperatively
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Pain intensity at rest and during movement assessed using the Numeric Rating Scale (NRS, 0-10).
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30 minutes, 1, 6, 12, 24, and 48 hours postoperatively
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Total Opioid Consumption
Tidsramme: 0-48 hours postoperatively
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Total opioid consumption measured from patient-controlled analgesia (PCA) device and additional opioid requirements, expressed in milligrams of morphine equivalent.
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0-48 hours postoperatively
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Rescue Analgesic Use
Tidsramme: 0-48 hours postoperatively
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Requirement for additional analgesic medications (e.g., meperidine, paracetamol, ibuprofen) recorded as yes/no and total doses administered.
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0-48 hours postoperatively
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Functional Recovery
Tidsramme: 24 hours, 48 hours, and 6 weeks postoperatively
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Functional recovery assessed by range of motion (ROM), quadriceps muscle strength, time to first ambulation, ability to walk 10 meters without assistance, and performance on the 5-times sit-to-stand test.
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24 hours, 48 hours, and 6 weeks postoperatively
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Quadriceps Muscle Strength
Tidsramme: Preoperatively, 24 hours, 48 hours, and 6 weeks postoperatively
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Quadriceps isometric muscle strength measured using a handheld dynamometer and expressed in Nm/kg.
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Preoperatively, 24 hours, 48 hours, and 6 weeks postoperatively
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Time to First Ambulation
Tidsramme: Within 48 hours postoperatively
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Time from the end of surgery to first successful ambulation, measured in hours.
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Within 48 hours postoperatively
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Patient Satisfaction
Tidsramme: 48 hours postoperatively
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Patient satisfaction with postoperative pain management assessed using a 4-point scale (excellent, good, moderate, poor).
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48 hours postoperatively
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Samarbejdspartnere og efterforskere
Sponsor
Datoer for undersøgelser
Studer store datoer
Studiestart (Anslået)
Primær færdiggørelse (Anslået)
Studieafslutning (Anslået)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- CU-BiFeS-2026
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
IPD-planbeskrivelse
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
Studerer et amerikansk FDA-reguleret lægemiddelprodukt
Studerer et amerikansk FDA-reguleret enhedsprodukt
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-
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-
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-
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Rasha HamedAfsluttet
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Medical University of South CarolinaAfsluttet
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