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Spinale anesthesie versus algemene anesthesie voor THA, TKA en UKA (RCT SAGA)

17 september 2026 bijgewerkt door: Anders Troelsen

Gerandomiseerde studie over spinale anesthesie vs. algemene anesthesie (SAGA) over herstel na totale heup-, totale knie- en unicompartimentele knieartroplastiek

The goal of this randomized clinical trial is to investigate the postoperative recovery following hip and knee arthroplasty procedures depending on the use of either spinal anaesthesia (SA) or general anaesthesia (GA).

The main questions are:

  • Are more patients able to be safely mobilized within 6 hours postoperatively when using GA compared to SA?
  • Does postoperative pain, nausea and vomiting, dizzyness, occurence of delirium and urinary retention differ between the anaesthetic methods?

Participants, scheduled for total hip, total knee and unicomartmental knee arthroplasty, will be randomized to recieve spinal anaesthesia or general anaesthesia in relation to surgery. At 6 hours postoperatively a physiotherapist will conduct a 5-meter walking test to evaluate whether the participant can be safely mobilized.

Studie Overzicht

Studietype

Ingrijpend

Inschrijving (Werkelijk)

222

Fase

  • Fase 4

Contacten en locaties

In dit gedeelte vindt u de contactgegevens van degenen die het onderzoek uitvoeren en informatie over waar dit onderzoek wordt uitgevoerd.

Studie Locaties

      • Hvidovre, Denemarken, 2650
        • Christian Bredgaard Jensen
      • Vejle, Denemarken, 7100
        • Vejle Hospital

Deelname Criteria

Onderzoekers zoeken naar mensen die aan een bepaalde beschrijving voldoen, de zogenaamde geschiktheidscriteria. Enkele voorbeelden van deze criteria zijn iemands algemene gezondheidstoestand of eerdere behandelingen.

Geschiktheidscriteria

Leeftijden die in aanmerking komen voor studie

18 jaar en ouder (Volwassen, Oudere volwassene)

Accepteert gezonde vrijwilligers

Nee

Geslachten die in aanmerking komen voor studie

Allemaal

Beschrijving

Inclusion Criteria:

  • Clinical and radiological hip or knee osteoarthritis meeting the indications for primary total hip, total knee, or unicompartmental knee arthroplasty.
  • ≥18 years of age.
  • Able to speak and understand Danish
  • Able to give informed consent and must be cognitively intact.

Exclusion Criteria:

  • Lives in an institution.
  • Uses walking aid such as a walker or a wheelchair.
  • Terminal illness.
  • Has contraindications for either general or spinal anaesthesia.
  • Has objections to receiving either general or spinal anaesthesia.
  • Requires anxiolytics as premedication prior to anaesthesia.
  • Traumatic aetiology as a basis for surgical indication.
  • Altered pain perception and / or neurologic affection due to diabetes or other disorders.
  • Daily preoperative use of opioids > 30 mg of morphine milligram equivalents (MME).
  • Standard primary arthroplasty procedure is evaluated not to be suitable.
  • Women considered fertile but without sufficient birth control.

Studie plan

Dit gedeelte bevat details van het studieplan, inclusief hoe de studie is opgezet en wat de studie meet.

Hoe is de studie opgezet?

Ontwerpdetails

  • Primair doel: Behandeling
  • Toewijzing: Gerandomiseerd
  • Interventioneel model: Parallelle opdracht
  • Masker: Enkel

Wapens en interventies

Deelnemersgroep / Arm
Interventie / Behandeling
Experimenteel: Spinal Anaesthesia (SA)

Patients undergoing total hip, total knee or unicompartmental knee arthroplasty are anaesthetized using:

Plain or heavy Bupivacaine hydrochloride 10 mg (2 mL)

plain or heavy Bupivacaine hydrochloride 10 mg (2 mL) injected in the spinal canal

Andere namen:
  • Spinale anesthesie
Experimenteel: General Anaesthesia (GA)

Patients undergoing total hip, total knee or unicompartmental knee arthroplasty are anaesthetized using:

Propofol (induction: 1.0-2.0 mg/kg. infusion: 3-5 mg/kg/hour) + Remifentanil (induction: 3-5 mcg/kg, infusion: 0.5 mcg/kg/min)

Propofol (induction: 1.0-2.0 mg/kg. infusion: 3-5 mg/kg/hour) + Remifentanil (induction: 3-5 mcg/kg, infusion: 0.5 mcg/kg/min) given intravenously

Wat meet het onderzoek?

Primaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Ability to be mobilsed safely within 6 hours of surgery
Tijdsspanne: within 6 hours postoperatively.

5-meter walking test where a physiotherapist evaluates whether the participant can be safely mobilized within 6 hours of surgery.

within 6 hours postoperatively.

Secundaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Fulfilment of discharge criteria
Tijdsspanne: On the day of surgery: at 4 hours postoperatively and 6 hours postoperatively. From postoperative day 1 and until discharge (on average 1 day): at 10.00 and at 18.00. This will be asses as long as the patient is admitted.

Dichotomous (Yes or No)

On the day of surgery: at 4 hours postoperatively and 6 hours postoperatively. From postoperative day 1 and until discharge (on average 1 day): at 10.00 and at 18.00. This will be asses as long as the patient is admitted.
Pain score
Tijdsspanne: On the day of surgery: at 4 hours postoperatively and 6 hours postoperatively. From postoperative day 1 and until discharge (on average 1 day): at 10.00 and at 18.00. This will be asses as long as the patient is admitted.

Will be recorded during rest and 5-m walk using participant evaluated NRS of 0 to 10, with 10 being worst pain/dizziness/nausea imaginable. This will be recorded at 4 and 6 hours post-operatively on the day of surgery and at 10:00 and 18:00 on the following postoperative days.

On the day of surgery: at 4 hours postoperatively and 6 hours postoperatively. From postoperative day 1 and until discharge (on average 1 day): at 10.00 and at 18.00. This will be asses as long as the patient is admitted.
Opioid use in Morphine Milligram Equivilents within the first 6 hours of surgery
Tijdsspanne: On the day of surgery: Within the first 6 hours after surgery.

Cumulated opioid use in Morphine Milligram Equivalents.

On the day of surgery: Within the first 6 hours after surgery.
Nausea Score
Tijdsspanne: On the day of surgery: at 4 hours postoperatively and 6 hours postoperatively. From postoperative day 1 and until discharge (on average 1 day): at 10.00 and at 18.00. This will be asses as long as the patient is admitted.

Will be recorded during rest and 5-m walk using participant evaluated NRS of 0 to 10, with 10 being worst pain/dizziness/nausea imaginable. This will be recorded at 4 and 6 hours post-operatively on the day of surgery and at 10:00 and 18:00 on the following postoperative days.

On the day of surgery: at 4 hours postoperatively and 6 hours postoperatively. From postoperative day 1 and until discharge (on average 1 day): at 10.00 and at 18.00. This will be asses as long as the patient is admitted.

Andere uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Vital signs - systolic blood pressure
Tijdsspanne: On the day of surgery: at 4 hours postoperatively and 6 hours postoperatively. From postoperative day 1 and until discharge (on average 1 day): at 10.00 and at 18.00. This will be asses as long as the patient is admitted.

Systolic blood pressure (mmHg).

On the day of surgery: at 4 hours postoperatively and 6 hours postoperatively. From postoperative day 1 and until discharge (on average 1 day): at 10.00 and at 18.00. This will be asses as long as the patient is admitted.
Vital signs - diastolic blood pressure
Tijdsspanne: On the day of surgery: at 4 hours postoperatively and 6 hours postoperatively. From postoperative day 1 and until discharge (on average 1 day): at 10.00 and at 18.00. This will be asses as long as the patient is admitted.

Diastolic blood pressure (mmHg).

On the day of surgery: at 4 hours postoperatively and 6 hours postoperatively. From postoperative day 1 and until discharge (on average 1 day): at 10.00 and at 18.00. This will be asses as long as the patient is admitted.
Quality of Recovery-15 score
Tijdsspanne: On the day of surgery: at 4 hours postoperatively. From postoperative day 1 and until discharge (on average 1 day): at 10.00. This will be asses as long as the patient is admitted.

Four hours postoperatively on the day of surgery and at 10:00 on the following

On the day of surgery: at 4 hours postoperatively. From postoperative day 1 and until discharge (on average 1 day): at 10.00. This will be asses as long as the patient is admitted.

Medewerkers en onderzoekers

Hier vindt u mensen en organisaties die betrokken zijn bij dit onderzoek.

Sponsor

Medewerkers

Onderzoekers

  • Hoofdonderzoeker: Anders Troelsen, MD, DMSc, Hvidovre University Hospital

Studie record data

Deze datums volgen de voortgang van het onderzoeksdossier en de samenvatting van de ingediende resultaten bij ClinicalTrials.gov. Studieverslagen en gerapporteerde resultaten worden beoordeeld door de National Library of Medicine (NLM) om er zeker van te zijn dat ze voldoen aan specifieke kwaliteitscontrolenormen voordat ze op de openbare website worden geplaatst.

Bestudeer belangrijke data

Studie start (Werkelijk)

6 maart 2023

Primaire voltooiing (Werkelijk)

6 april 2025

Studie voltooiing (Werkelijk)

6 april 2025

Studieregistratiedata

Eerst ingediend

11 januari 2023

Eerst ingediend dat voldeed aan de QC-criteria

30 januari 2023

Eerst geplaatst (Werkelijk)

31 januari 2023

Updates van studierecords

Laatste update geplaatst (Werkelijk)

18 september 2026

Laatste update ingediend die voldeed aan QC-criteria

17 september 2026

Laatst geverifieerd

1 september 2026

Meer informatie

Termen gerelateerd aan deze studie

Plan Individuele Deelnemersgegevens (IPD)

Bent u van plan om gegevens van individuele deelnemers (IPD) te delen?

NEE

Informatie over medicijnen en apparaten, studiedocumenten

Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel

Nee

Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct

Nee

product vervaardigd in en geëxporteerd uit de V.S.

Nee

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