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Effects of Dexmedetomidine Sedation on Delirium and Haemodynamic in Mechanical Ventilated Elderly Patients

24. august 2014 opdateret af: Shuaiya, Fuling Central Hospital of Chongqing City

Effects of Dexmedetomidine Sedation on Delirium and Haemodynamic in Mechanical Ventilated Elderly Patients -a Single Center,Randomized and Controlled Trial

This study was designed to observe the effects of dexmedetomidine on delirium and haemodynamic in mechanical ventilated elderly patients,and to evaluate the safety of dexmedetomidine.

Studieoversigt

Undersøgelsestype

Interventionel

Tilmelding (Forventet)

80

Fase

  • Fase 4

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

60 år til 80 år (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • Written informed consent
  • Intensive care unit patients who need mechanical ventilation
  • Anticipate duration of mechanical ventilation longer than 24 hours,and shorter than 96 hours prior to giving investigational products
  • Acute physiology and chronic health evaluation II score more than 10
  • Aged between 60 to 80 years old
  • Weight between plus or minus 20% of the standard weight. Male: (height cm - 80) × 70% = standard weight Female: (height cm - 70) × 60% = standard weight

Exclusion Criteria:

  • Trauma and burn patients
  • Any kind of dialysis
  • Suspected or confirmed difficult airway
  • Use of neuromuscular blocking drugs(Except using for intubation )
  • Neuromuscular disease
  • Epidural or subarachnoid anesthesia
  • Plan to give general anesthesia before 24 hours drugs intervention or after giving investigational drugs
  • Serious central nervous system disease
  • Mental disability or mental disease
  • Acute hepatitis and serious liver disease(Child-Pugh C)
  • Unstable angina and acute myocardium infarction
  • Left ventricular ejection volume less than 30%,heart rate less than 50 beats per minute
  • II and III degree atrioventricular block
  • Systolic pressure less than 90 mmHg after giving vasopressors twice before beginning of this study
  • Consciousness disturbance patients whose blood pressure less than 70mmHg and blood lactate more than 4.0mmol/L
  • Suspected or confirmed long term use of narcotic analgesics
  • Subjects who are breastfeeding or pregnant
  • Allergic to investigational products or with other contraindication
  • Participated in other study within 30 days

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: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Group dexmedetomidine ,dexmedetomidine
Continuous pump infusion dexmedetomidine with loading dose of 0.4μg.kg-1 for 10 minutes ,then followed by maintenance dose of 0.2~0.7µg.kg-1 to maintain Sedation-Agitation Scale between 3 and 4.
Loading dose:0.4μg.kg-1 Maintenance dose :0.2~0.7µg.kg-1 Sedation-Agitation Scale: maintain between 3 and 4.
Aktiv komparator: Group midazolam,midazolam,fentanyl
Quickly inject midazolam and fentanyl with loading dose of 0.1mg.kg-1 and 1 μg.kg-1 separately until attaining Sedation-Agitation Scale between 3 and 4,then followed by maintenance dose of 0.05~0.1mg.kg-1.h-1 and fentanyl 0.5~1μg.kg-1.h-1 separately.
Loading dose of midazolam:0.1mg.kg-1 . Maintenance dose of midazolam :0.05~0.1mg.kg-1.h-1 . Sedation-Agitation Scale: maintain between 3 and 4
Loading dose of fentanyl:1 μg.kg-1 . Maintenance dose of fentanyl: 0.5~1μg.kg-1.h-1 . Sedation-Agitation Scale: maintain between 3 and 4

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Tidsramme
Changes in blood pressure within 48 hours after drug intervention
Tidsramme: Within 48 hours after drug intervention
Within 48 hours after drug intervention
Number of Participants with blood pressure decrease more than 20% of the baseline value or systolic pressure less than 100 mmHg
Tidsramme: within 48 hours afer drug intervention
within 48 hours afer drug intervention
The number of cases who develop delirium
Tidsramme: Within 48 hours after drug intervention
Within 48 hours after drug intervention

Sekundære resultatmål

Resultatmål
Tidsramme
Changes in heart rate
Tidsramme: Within 48 hours after drug intervention
Within 48 hours after drug intervention
Changes in respiratory rate
Tidsramme: Within 48 hours after drug intervention
Within 48 hours after drug intervention
Changes in central venous pressure
Tidsramme: Within 48 hours after drug intervention
Within 48 hours after drug intervention

Samarbejdspartnere og efterforskere

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

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. september 2014

Primær færdiggørelse (Forventet)

1. juni 2015

Studieafslutning (Forventet)

1. juli 2015

Datoer for studieregistrering

Først indsendt

22. august 2014

Først indsendt, der opfyldte QC-kriterier

24. august 2014

Først opslået (Skøn)

26. august 2014

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

26. august 2014

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

24. august 2014

Sidst verificeret

1. august 2014

Mere information

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 Safety of Dexmedetomidine Sedation

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