- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT02125903
Comparison of Continuous Femoral Nerve Block and Adductor Canal Block After Total Knee Replacement Therapy
Randomized Controlled Study: Comparison of Continuous Femoral Nerve Block and Adductor Canal Block After Total Knee Replacement Therapy Relating to Early Mobilization and Analgesia
The blockade of the femoral nerve (FNB) is the most common postoperative pain therapy after total knee replacement. Because of motor-driven weakness of the quadriceps muscle induced by femoral nerve block mobilization of Patients is difficult even dangerous (falls) and hospital stays are extended.
An alternative method could be an adductor canal block (ACB). Anatomical studies of the adductor canal demonstrated that the adductor canal contains the saphenous nerve, a pure sensory nerve for medial and anterior aspects of the knee and the tibia without any motor function.
This prospective, double-blinded, randomized study investigates the effect of FNB and ACB on quadriceps motor weakness and analgesia determined by Numeric Rating Scale (NRS).
We expect the ACB to be superior in muscle strength but equal in pain score. Both groups receive an additional anterior sciatic nerve block for complete sensory block of the operated knee
Studieoversigt
Status
Intervention / Behandling
Undersøgelsestype
Tilmelding (Faktiske)
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
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-
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Marburg, Tyskland, 35037
- University of Marburg Department of Anaesthesia And Intensive Care Medicine
-
-
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- patients with knee replacement therapy and general anaesthesia
- informed consent
- preoperative "timed up and go" test performable
Exclusion Criteria:
- emergency patients
- BMI > 40 kg/m2
- American Society of Anaesthesiologists physical status (ASA) 4-5
- severe chronic obstructive pulmonary disease (COPD)
- rheumatic arthritis, diabetic Polyneuropathy, M. Parkinson
- nerve injury of lumbosacral plexus
- coagulopathy with bleeding tendency
- not capable of speaking or understanding german or english
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Dobbelt
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
|---|---|
|
Aktiv komparator: Continuous Adductor Canal Block (CACB)
Continuous Adductor Canal block performed with: loading dose 0,375% Ropivacaine 15ml (56,25mg) start infusion 0,2% Ropivacaine 6ml/h Procedure: Femoral Nerve Block. Adductor Canal Block Drug: Ropivacaine |
Regional Anesthesia performed with 0.375% Ropivacaine 15ml (56,25mg)
|
|
Aktiv komparator: Continuous Femoral Nerve Block (CFNB)
Continuous Femoral Nerve Block performed with: loading dose 0,375% Ropivacaine 15ml (56,25mg) start infusion 0,2% Ropivacaine 6ml/h Procedure: Femoral Nerve Block. Adductor Canal Block Drug: Ropivacaine |
Regional Anesthesia performed with 0.375% Ropivacaine 15ml (56,25mg)
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Timed-Up and Go-test for mobility evaluation
Tidsramme: third postoperative day
|
The patient is observed and timed while he rises from an arm chair, walks 3 meters, turns, walks back, and sits down again.
|
third postoperative day
|
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Pain Scores
Tidsramme: 6, 24, 48, 72 hours postoperative
|
Numeric Rating Scale (NRS), 0-10 for Rest / Stress. in Addition total Body NRS Pain
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6, 24, 48, 72 hours postoperative
|
|
Quadriceps strength
Tidsramme: 6, 24, 28, 72 hours postoperative
|
Numeric Scale (0-5)
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6, 24, 28, 72 hours postoperative
|
|
Ropivacaine consumption (each catheter)
Tidsramme: 24, 48, 72 hours postoperative
|
Measurement of the total amount
|
24, 48, 72 hours postoperative
|
|
CAS (Cumulated Ambulation Score)
Tidsramme: 24,48,72 hours postoperative
|
Cumulated Ambulation Score is calculated with routine data.
Measurement for ambulation ability
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24,48,72 hours postoperative
|
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Mobility Score (MoSc)
Tidsramme: 24,48,72 hours postoperative
|
Is calculated with routine data.
Measurement for overall mobilization (none- passive mobilization, sitting, standing, walking with walking device, walkin free or with crutches)
|
24,48,72 hours postoperative
|
|
Analgesic regimen
Tidsramme: preop and 0, 6 , 24, 48, 48 hours postoperative
|
Documentation of analgesic prescriptions and rescue medications during postoperative course
|
preop and 0, 6 , 24, 48, 48 hours postoperative
|
Samarbejdspartnere og efterforskere
Efterforskere
- Studieleder: Karolin Piechowiak, Dr, Dept. of Anesthesia And Intensiv Care Medicine University of Marburg
- Studieleder: Thorsten Steinfeldt, Prof Dr, Dept. of Anesthesia And Intensive Care Medicine University of Marburg
- Studieleder: Thomas Wiesmann, Dr, Dept. of Anesthesia And Intensive Care Medicine University of Marburg
Datoer for undersøgelser
Studer store datoer
Studiestart
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- AZ 06/13
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