- ICH GCP
- Registre américain des essais cliniques
- Essai clinique NCT02242591
Effect of Adductor Canal Block vs. Placebo on Muscle Strength, Mobilisation and Pain After Total Knee Arthroplasty
Effect of Adductor Canal Block vs. Placebo on Muscle Strength, Mobilisation and Pain on the First Post-operative Day After Total Knee Arthroplasty
Aperçu de l'étude
Statut
Les conditions
Intervention / Traitement
Description détaillée
Patients will be included on the first day after TKA surgery and randomized in two groups. Each group will receive 2 ACB with a 1 hour interval, one ACB with an active drug, Ropivacaine, and another ACB with a placebo drug, Saline.
At T0, arm ACB_active/placebo will receive the active ACB with Ropivacaine followed by the placebo ACB at T60 (60 minutes after T0).
At T0, arm ACB_placebo/active will receive the placebo ACB with Saline followed by the active ACB with Ropivacaine at T60 (60 minutes after T0).
Outcome measurements will be made at T60, 1 hour after the first ACB, and the difference in outcome between the groups will be compared.
Baseline values will be measured prior to the first ACB. Final measurements at T120 (120 minutes after the initial ACB), will determine if the differences between the groups are eliminated, since both groups then have received an active ACB.
Type d'étude
Inscription (Réel)
Phase
- Phase 4
Contacts et emplacements
Lieux d'étude
-
-
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Hellerup, Danemark, 2900
- Gentofte Hospital
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-
Critères de participation
Critère d'éligibilité
Âges éligibles pour étudier
Accepte les volontaires sains
Sexes éligibles pour l'étude
La description
Inclusion Criteria:
- Patients who have had a Total Knee Arthroplasty surgery within 2 days (1.postoperative day on inclusion)
- Written informed consent.
- ASA 1-3
Exclusion Criteria:
- Non-cooperative patients
- Patients who have already had a peripheral or central block post surgery.
- Patients who are not able to perform a TUG test pre surgery.
- Patients who do not understand or speak Danish.
- Patient who are allergic to the drugs used in this research.
- Patients with alcohol- or drug abuse - determined by investigator.
- Patients with peripheral sensory neuropathy in their lower extremities.
- Pregnant patients.
Plan d'étude
Comment l'étude est-elle conçue ?
Détails de conception
- Objectif principal: Traitement
- Répartition: Randomisé
- Modèle interventionnel: Affectation parallèle
- Masquage: Quadruple
Armes et Interventions
Groupe de participants / Bras |
Intervention / Traitement |
|---|---|
|
Comparateur actif: ACB_active/placebo
Patients will receive the first ACB with a active drug, 30 ml bolus Ropivacaine 7,5 mg/ml at T0. First outcome measurement are made one hour after the first ACB, prior to their second ACB. At T60 (60 minutes after T0), patients will receive their second ACB with the placebo drug, 30 ml bolus Saline and outcome measures performed again at T120(120 minutes after T0). The measurements for baseline and outcome will be made in following order: VAS pain score at rest - VAS pain score during active flexion of the knee - Muscle strength - TUG test - Highest VAS pain score during TUG test |
Autres noms:
Autres noms:
|
|
Comparateur placebo: ACB_placebo/active
Patients will receive the first ACB with placebo, 30 ml isotonic saline at T0. First outcome measurement are made one hour after the first ACB, prior to their second ACB. At T60(60 minutes after T0), patients will receive their second ACB with the ropivacaine 7,5 mg/ml 30 ml and outcome measures performed again at T120(120 minutes after T0). The measurements for baseline and outcome will be made in following order: VAS pain score at rest - VAS pain score during active flexion of the knee - Muscle strength - TUG test - Highest VAS pain score during TUG test |
Autres noms:
Autres noms:
|
Que mesure l'étude ?
Principaux critères de jugement
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
|
Difference between groups in muscle strength of the quadriceps femoris muscle.
Délai: 60 minutes after first ACB (T60)
|
Muscle strength is assessed as maximum voluntary isometric contraction (MVIC) using a hand-held dynamometer.3
consecutive measurements will be made and the average used.
Results for each group will be presented as percentage of baseline values.
The primary outcome is the difference in MVIC between the groups.
|
60 minutes after first ACB (T60)
|
Mesures de résultats secondaires
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
|
Difference between groups in muscle strength of the quadriceps femoris muscle.
Délai: 120 minutes after initial ACB (T120)
|
Same as primary outcome
|
120 minutes after initial ACB (T120)
|
|
VAS pain scores at rest
Délai: 60 minutes after the initial ACB (T60) and 120 minutes after initial ACB (T120)
|
Pain at rest (VAS 0-100 mm) one hour after the first and second ACB. Results will be compared between the two groups. VAS pain scores at rest will be inquired before any other outcome measurements. |
60 minutes after the initial ACB (T60) and 120 minutes after initial ACB (T120)
|
|
VAS pain score during TUG test.
Délai: 60 minutes after the initial ACB (T60) and 120 minutes after initial ACB (T120
|
Highest VAS (0-100 mm) pain score during TUG test will be inquired for each TUG test.
Results will be compared between the two groups.
|
60 minutes after the initial ACB (T60) and 120 minutes after initial ACB (T120
|
|
Timed Up and Go(TUG) test
Délai: 60 minutes after the initial ACB (T60) and 120 minutes after initial ACB (T120
|
Time (seconds) to complete a TUG test measured one hour after the first and second ACB.
Results will be compared between the two groups.
|
60 minutes after the initial ACB (T60) and 120 minutes after initial ACB (T120
|
|
VAS pain scores during 45 degrees active flexion of the knee
Délai: 60 minutes after the initial ACB (T60) and 120 minutes after initial ACB (T120
|
Specification of pain (VAS 0-100 mm) during 45 degrees active flexion of the knee one hour after first and second ACB.
Results will be compared between the two groups.
|
60 minutes after the initial ACB (T60) and 120 minutes after initial ACB (T120
|
|
Sub-group analysis of muscle strength and mobility acconding to baseline VAS during active flexion of the knee prior to the first block
Délai: 60 minutes after first ACB (T60)
|
According to their specified VAS (0-100 mm) pain score during active flexion of the knee prior to the first block, patients will be divided into two groups.
Group 1 VAS 0-59 mm and group 2 with VAS 60-100 mm.
Results within the two groups will be compared: e.g is there a difference in MVIC in the subgroup of patients scoring VAS 0-59 during active knee flexion at baseline?
and is this difference larger in the subgroup of patients scoring VAS 60-100?
|
60 minutes after first ACB (T60)
|
Collaborateurs et enquêteurs
Parrainer
Les enquêteurs
- Chercheur principal: Ulrik Grevstad, MD, Gentofte Hospital
Dates d'enregistrement des études
Dates principales de l'étude
Début de l'étude
Achèvement primaire (Réel)
Achèvement de l'étude (Réel)
Dates d'inscription aux études
Première soumission
Première soumission répondant aux critères de contrôle qualité
Première publication (Estimation)
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Estimation)
Dernière mise à jour soumise répondant aux critères de contrôle qualité
Dernière vérification
Plus d'information
Termes liés à cette étude
Mots clés
Termes MeSH pertinents supplémentaires
Autres numéros d'identification d'étude
- 2014-002245-21
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