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Study to Test the Efficacy of Periarticular Levo Bupivicaine Injection Following Primary Hip Arthroplasty

A Double Blind Randomized Control Trial on the Efficacy of Periarticular Levo Bupivicaine Injection Following Primary Hip Arthroplasty

The hypothesis of this study is that isolated use of local periarticular levobupivicaine injection during primary hip arthroplasty would improve post-operative pain control. Patients were randomised in the operating room to receive either a periarticular infiltration, or a placebo consisting of Saline. Morphine and analgesic consumption was recorded for each patient, while the modified McGill pain scale was used to determine the adequacy of analgesia and the benefit of the peri-articular infiltration. 91 patients were recruited, with 45 patients in the treatment group and 46 controls. The results were assessed after one year, once all the information from both treatment groups was collected.

Studieoversikt

Status

Fullført

Forhold

Detaljert beskrivelse

The efficacy of periarticular injections during total knee arthroplasty is well established but there is little published data on their effect in primary hip arthroplasty. We hypothesized that isolated use of local periarticular levobupivicaine injection during primary hip arthroplasty would improve post-operative pain control. A double blinded, randomised, placebo-controlled trial on patients undergoing primary hip arthroplasty was performed. Patients were randomised in theatre to receive either a periarticular infiltration of 150mg levobupivicaine in 60mls of 0.9% Saline, or a placebo consisting of 60mls 0.9% Saline. Morphine and analgesic consumption was recorded for each patient, while the modified McGill pain scale was used to determine the adequacy of analgesia and the benefit of the peri-articular infiltration. 91 patients were recruited, with 45 patients in the treatment group and 46 controls. The results were assessed after one year, once all the information from both treatment groups was collected.

Studietype

Intervensjonell

Registrering (Faktiske)

91

Fase

  • Fase 4

Kontakter og plasseringer

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

Studiesteder

    • Finglas
      • Dublin, Finglas, Irland, Dublin 11
        • Cappagh National Orthopaedic Hospital
    • Santry
      • Dublin, Santry, Irland, Dublin 9
        • Orthopaedic Research and Innovation Foundation

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:

  • Consecutive patients undergoing primary hip arthroplasty for osteoarthritis only were included in this study after giving informed consent.

Exclusion Criteria:

  • Patients with cognitive impairment, neurological disorders, advanced liver or renal impairment, known ischemic heart disease, a previous diagnosis of a pain syndrome or any post-operative surgical or medical complications were excluded.

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: Dobbelt

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Aktiv komparator: Levobupivacaine
Levobupivacaine is indicated for local anaesthesia including infiltration, nerve block, ophthalmic, epidural and intrathecal anaesthesia in adults; and infiltration analgesia in children
The treatment group received 150mg of levobupivicaine in 60mls of 0.9% saline. This was injected intra-operatively through the medial and anterior capsular spaces in the region of the obturator and femoral nerves and also around the short rotators and gluteus maximus in the region of the inferior and superior gluteal nerves. The timing of this was after insertion of the acetabular component. 10mls was then infiltrated around the tensor fascia lata and subcutaneously prior to closing the wound.
Placebo komparator: Saline
Saline (also saline solution) is a general term referring to a sterile solution of sodium chloride (NaCl, more commonly known as salt) in water but is only sterile when it is placed intravenously, otherwise, a saline solution is a salt water solution.
The placebo group received 60mls of 0.9% saline injected intra-operatively through the medial and anterior capsular spaces in the region of the obturator and femoral nerves and also around the short rotators and gluteus maximus in the region of the inferior and superior gluteal nerves. The timing of this was after insertion of the acetabular component. 10mls was then infiltrated around the tensor fascia lata and subcutaneously prior to closing the wound.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
To determine a significant difference (p>0.05) in morphine consumption between the two treatment groups post-operatively.
Tidsramme: 1 year
The modified McGill pain scale was administered to determine the adequacy of analgesia and the benefit of the peri-articular infiltration. In addition, morphine and analgesic consumption was recorded for each patient. The results were assessed after one year, once all the information from both treatment groups was collected.
1 year

Sekundære resultatmål

Resultatmål
Tidsramme
To analyse the length of stay for between both treatment groups
Tidsramme: Average 6 days (based on precise day of discharge)
Average 6 days (based on precise day of discharge)

Samarbeidspartnere og etterforskere

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

Etterforskere

  • Hovedetterforsker: Kevin J Mulhall, Orthopaedic Research and Innovation Foundation, Ireland

Publikasjoner og nyttige lenker

Den som er ansvarlig for å legge inn informasjon om studien leverer frivillig disse publikasjonene. Disse kan handle om alt relatert til studiet.

Generelle publikasjoner

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

1. september 2008

Primær fullføring (Faktiske)

1. september 2009

Studiet fullført (Faktiske)

1. september 2009

Datoer for studieregistrering

Først innsendt

12. april 2010

Først innsendt som oppfylte QC-kriteriene

16. april 2010

Først lagt ut (Anslag)

19. april 2010

Oppdateringer av studieposter

Sist oppdatering lagt ut (Anslag)

19. april 2010

Siste oppdatering sendt inn som oppfylte QC-kriteriene

16. april 2010

Sist bekreftet

1. juli 2008

Mer informasjon

Denne informasjonen ble hentet direkte fra nettstedet clinicaltrials.gov uten noen endringer. Hvis du har noen forespørsler om å endre, fjerne eller oppdatere studiedetaljene dine, vennligst kontakt register@clinicaltrials.gov. Så snart en endring er implementert på clinicaltrials.gov, vil denne også bli oppdatert automatisk på nettstedet vårt. .

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