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Spinal anestesi vs generell anestesi for THA, TKA og UKA (RCT SAGA)

17. september 2026 oppdatert av: Anders Troelsen

Randomisert forsøk på spinal anestesi vs. generell anestesi (SAGA) på restitusjon etter total hofte-, kne- og enkompartmental kneartroplastikk

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.

Studieoversikt

Studietype

Intervensjonell

Registrering (Faktiske)

222

Fase

  • Fase 4

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiesteder

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

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

18 år og eldre (Voksen, Eldre voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

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

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Enkelt

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: 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 navn:
  • Spinal anestesi
Eksperimentell: 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

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
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
Tiltaksbeskrivelse
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
Tiltaksbeskrivelse
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.

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

Samarbeidspartnere

Etterforskere

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

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Faktiske)

6. mars 2023

Primær fullføring (Faktiske)

6. april 2025

Studiet fullført (Faktiske)

6. april 2025

Datoer for studieregistrering

Først innsendt

11. januar 2023

Først innsendt som oppfylte QC-kriteriene

30. januar 2023

Først lagt ut (Faktiske)

31. januar 2023

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

18. september 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

17. september 2026

Sist bekreftet

1. september 2026

Mer informasjon

Begreper knyttet til denne studien

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

NEI

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

produkt produsert i og eksportert fra USA

Nei

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