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Pain Evaluation of Venous Cannulation to Predict Postoperative Pain

3. april 2019 opdateret af: Anna P Persson, Lund University

Prediction of Postoperative Pain From Individually Assessed Pain Intensity Levels Associated With Venous Cannulation

The investigators have recently reported a relationship between pain induced by peripheral venous cannulation and postoperative pain. The purpose of this study is to validate this method of postoperative pain prediction in a larger cohort subjected to different types of surgery.

Studieoversigt

Status

Afsluttet

Betingelser

Detaljeret beskrivelse

  • The investigators will study all adult (>18 years old) patients going through surgery at the site during a defined period of time. Before induction of anesthesia participants will be asked to assess (in VAS units) the pain intensity associated with peripheral venous cannulation. The maximum level of postoperative pain intensity will be recorded in the post-anesthesia care unit.
  • After the endpoint of the study, the patient records will be reviewed, and de-identified relevant data be recorded and analyzed in the Statistical Package for the Social Sciences (SPSS) software.
  • Sample size assessment: In a previous study patients scoring ≥ 2.0 on venous cannulation assessed their median pain postoperatively at 5.8 VAS units compared with 2.9 in those scoring < 2.0 - corresponding to a difference in maximum postoperative pain intensity of almost three VAS units. To statistically confirm, with unpaired non-parametric tests, 80 % power (β), and 95% probability (1- α), half of that difference (1.5 VAS units) in pain intensity level between patients scoring above or below 2.0 VAS units, respectively, would require 55 patients in each group subjected to the same kind of surgery. With 4 groups of cases and controls 440 patients would need to be included. As the study is strictly observational, 600 patients will be included to make up for possible missing data.
  • Statistics: The Mann-Whitney U- test will be used to compare differences in postoperative pain intensity levels, and the Pearson Chi-square test to compare proportions of patients with moderate or severe postoperative pain, in patients differing in pain scores (above or below 2.0 VAS units) on venous cannulation. Logistic regression analysis will be used to adjust for gender and age and to evaluate the predictive ability of proposed method.

Undersøgelsestype

Observationel

Tilmelding (Faktiske)

600

Kontakter og lokationer

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

Studiesteder

    • Halland
      • Halmstad, Halland, Sverige, 30581
        • Hallands Hospital Halmstad

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 til 80 år (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Prøveudtagningsmetode

Sandsynlighedsprøve

Studiebefolkning

Patients scheduled for elective surgery at Hallands Hospital Halmstad

Beskrivelse

Inclusion Criteria:

  • 18-80 years old
  • Scheduled for surgery in Halmstad
  • Prepared for surgery in the preoperative ward or ward 71 (day-case or direct admittance)

Exclusion Criteria:

  • Inability to handle the Visual Analog Scale
  • Hospitalized already before surgery

Studieplan

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

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Observationsmodeller: Kohorte
  • Tidsperspektiver: Fremadrettet

Kohorter og interventioner

Gruppe / kohorte
Postop pain level 1
Minor postoperative pain anticipated
Postop pain level 2
Might experience postoperative pain
Postop pain level 3
Moderate pain/substantial surgery performed
Postop pain level 4
Severe postoperative pain expected/major surgery

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Maximum postoperative pain intensity (0.0-10.0 VAS units)
Tidsramme: 2 hours after surgery
Patients scoring their pain associated with venous cannulation to <2 VAS units will be compared to patients scoring ≥2 VAS units considering median level of maximum postoperative pain intensity.
2 hours after surgery

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Risk of developing moderate to severe postoperative pain
Tidsramme: 2 hours after surgery
Proportion of patients with moderate or severe (≥4 VAS units) postoperative pain will be compared between groups of patients scoring </≥ 2 VAS units on peripheral venous cannulation.
2 hours after surgery
Influence of gender
Tidsramme: 2 hours after surgery
With logistic regression analysis investigate the potential influence of gender on the predictive ability of this test.
2 hours after surgery

Samarbejdspartnere og efterforskere

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

Sponsor

Efterforskere

  • Ledende efterforsker: Anna KM Persson, M.D, Lund University

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)

27. februar 2017

Primær færdiggørelse (Faktiske)

22. maj 2017

Studieafslutning (Faktiske)

22. maj 2017

Datoer for studieregistrering

Først indsendt

28. november 2016

Først indsendt, der opfyldte QC-kriterier

30. november 2016

Først opslået (Skøn)

5. december 2016

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

4. april 2019

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

3. april 2019

Sidst verificeret

1. april 2019

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • REGSKANE-625361

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

Ingen

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

Kliniske forsøg med Smerter, postoperativ

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