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Comfort Score During Ultrasound Guided Supraclavicular Brachial Plexus Block Placement in Elderly Patients (US-SCB)

2. marts 2015 opdateret af: Jadranka Pavičić Šarić, Šarić, Jadranka Pavičić, M.D.

Influence of Anesthetic Volume on Comfort Score During US-SCB Placement in Elderly Patients

Results from our preliminary study accepted as e-poster presentation on ESRA (Bordeaux, September 2012.) showed significant difference in Comfort Score during Ultrasound Guided Supraclavicular Brachial Plexus block (US-SCB) between young and elderly population. However, it is unknown whether the difference in Comfort score (1) was associated with reduction of local anesthetic (LA) volume in elderly or it is attributed to elderly population by itself. The aim of the study is to compare the Comfort score during US-SCB placement in elderly patients undergoing upper limb surgery performed with two different volumes of local anesthetics (20 ml vs 32 ml).

Studieoversigt

Status

Ukendt

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

Involutional changes of brachial plexus in elderly, assessed by measuring the cross-sectional area (CSA) of brachial plexus at the first rib, allowed a 35% reduction of LA volume for an effective US-SCB in comparison with the younger patients (2). Ultrasound-guided regional anesthesia becomes an increasingly popular technique and its performance must be as comfortable as possible. Therefore, Comfort score during block placement is extremely important. Comfort Score is consisted of maximum pain intensity (VAS), the satisfaction of the patient and the number of unpleasant events declared by the patients. It is calculated as the sum of each criterion, which was attributed a value of 0 or 1: VAS(<or=30/100, 1; >30/100, 0), number of unpleasant events (0, 1; >or=1, 0) and satisfaction (satisfied or very satisfied, 1; acceptable or unsatisfied, 0). Comfort score of 3 or 2 is considered as comfortable while score 1 or 0 as uncomfortable block placement.

Undersøgelsestype

Interventionel

Tilmelding (Forventet)

50

Fase

  • Ikke anvendelig

Kontakter og lokationer

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

Studiesteder

  • Kroatien
      • Zagreb, Kroatien, 10000
        • Rekruttering
        • Clinical Hospital Merkur
        • Ledende efterforsker:
          • Jadranka Pavičić Šarić

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

65 år og ældre (Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • age over 65 years (Elderly group)
  • upper limb surgery

Exclusion Criteria:

  • refusal of regional anesthesia
  • any neurologic or neuromuscular disease
  • clinical signs of cutaneous infection at the site of needle insertion

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: Dobbelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Elderly (32 mL LA volume)
Population over age of 65 undergoing upper limb surgery using US-SCB receiving 32 ml of LA (50:50 mixture of 0.5% levobupivacaine and 2% lidocaine).
Procedure: Upper limb surgery
Elderly patients undergoing upper limb surgery received 20 ml of LA volume (50:50 mixture of levobupivacaine 0.5% and lidocaine 2%) for US-SCB. An independent observer unaware of the LA volume recorded maximal pain intensity resulting from block placements, questioned the patients about possible unpleasant events linked to the performance of US-SCB and assessed patient's satisfaction.
Andre navne:
  • Lidokain
  • Chirocain
  • Levobupivacain
  • Xilocain
Procedure: Upper limb surgery
Elderly patients undergoing upper limb surgery received 32 ml of LA volume (50:50 mixture of levobupivacaine 0.5% and lidocaine 2%) for US-SCB. An independent observer unaware of the LA volume recorded maximal pain intensity resulting from block placements, questioned the patients about possible unpleasant events linked to the performance of US-SCB and assessed patient's satisfaction.
Andre navne:
  • Lidokain
  • Chirocain
  • Levobupivacain
  • Xilocain
Eksperimentel: Elderly (20 ml LA volume)
Population over age of 65 undergoing upper limb surgery using US-SCB receiving 20 ml of LA (50:50 mixture of 0.5% levobupivacaine and 2% lidocaine).
Procedure: Upper limb surgery
Elderly patients undergoing upper limb surgery received 20 ml of LA volume (50:50 mixture of levobupivacaine 0.5% and lidocaine 2%) for US-SCB. An independent observer unaware of the LA volume recorded maximal pain intensity resulting from block placements, questioned the patients about possible unpleasant events linked to the performance of US-SCB and assessed patient's satisfaction.
Andre navne:
  • Lidokain
  • Chirocain
  • Levobupivacain
  • Xilocain
Procedure: Upper limb surgery
Elderly patients undergoing upper limb surgery received 32 ml of LA volume (50:50 mixture of levobupivacaine 0.5% and lidocaine 2%) for US-SCB. An independent observer unaware of the LA volume recorded maximal pain intensity resulting from block placements, questioned the patients about possible unpleasant events linked to the performance of US-SCB and assessed patient's satisfaction.
Andre navne:
  • Lidokain
  • Chirocain
  • Levobupivacain
  • Xilocain

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Comfort Score
Tidsramme: Up to average 20 min
An independent observer unaware of the administered LA volume assessed Comfort score by evaluating maximal pain intensity resulting from block placement using a 100-mm visual analogue scale (VAS: 0, no pain-100, maximum or worst imaginable) as well as by recording any unpleasant event during block placement and by recording patient satisfaction using a four-point scale (unsatisfied, acceptable, satisfied and very satisfied).
Up to average 20 min

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Block Placement Time
Tidsramme: Up to average 20 minutes
Block placement time was measured as the time elapsing between needle insertion and to last removal of the needle from the patient's neck.
Up to average 20 minutes

Samarbejdspartnere og efterforskere

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

Sponsor

Šarić, Jadranka Pavičić, M.D.

Efterforskere

  • Studiestol: Matea Bogdanović Dvorščak, MD, Clinical Hospital Merkur, Department of Anesthesiology and Intensive Care

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Generelle publikationer

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

1. november 2012

Primær færdiggørelse (Forventet)

1. november 2015

Studieafslutning (Forventet)

1. november 2015

Datoer for studieregistrering

Først indsendt

16. juni 2012

Først indsendt, der opfyldte QC-kriterier

19. juni 2012

Først opslået (Skøn)

20. juni 2012

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

3. marts 2015

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

2. marts 2015

Sidst verificeret

1. marts 2015

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • 2012-000261-21

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Kliniske forsøg med Sår og skader

Kliniske forsøg med Upper limb surgery

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