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Spinal anæstesi vs generel anæstesi for THA, TKA og UKA (RCT SAGA)

17. september 2026 opdateret af: Anders Troelsen

Randomiseret forsøg på spinal anæstesi vs. generel anæstesi (SAGA) om restitution efter total hofte-, totalknæ- og enkompartmental knæarthroplasty

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.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

222

Fase

  • Fase 4

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

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

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

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.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Enkelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: 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

Andre navne:
  • Spinal anæstesi
Eksperimentel: 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

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Ability to be mobilsed safely within 6 hours of surgery
Tidsramme: 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.

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Fulfilment of discharge criteria
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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.

Andre resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Vital signs - systolic blood pressure
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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.

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Samarbejdspartnere

Efterforskere

  • Ledende efterforsker: Anders Troelsen, MD, DMSc, Hvidovre University Hospital

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

6. marts 2023

Primær færdiggørelse (Faktiske)

6. april 2025

Studieafslutning (Faktiske)

6. april 2025

Datoer for studieregistrering

Først indsendt

11. januar 2023

Først indsendt, der opfyldte QC-kriterier

30. januar 2023

Først opslået (Faktiske)

31. januar 2023

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

18. september 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

17. september 2026

Sidst verificeret

1. september 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • 2022-501221-21-00

Plan for individuelle deltagerdata (IPD)

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