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The Effect of Circadian Clock System on Perioperative Cognitive Function of Elderly Patients

10. desember 2019 oppdatert av: Yanchao Yang, Shengjing Hospital
Postoperative cognitive dysfunction (POCD) is a common postoperative complication in patients aged 65 and above. It refers to the cognitive function changes such as memory decline and attention loss after anesthesia and surgery. In serious cases, people may also experience personality changes and decline in social behavior ability, which will develop into irreversible cognitive impairment.Some studies reported that 25.8% of elderly patients presented POCD one week after non-cardiac surgery, and the incidence at 3 months after surgery was still 9.9%, which could increase the mortality in the first year after surgery.In recent years, studies have also proved that POCD is associated with patients' inability to perform their original jobs after non-cardiac surgery.Postoperative cognitive dysfunction seriously affects the clinical outcome, in addition to medical costs and other issues will bring an impact on the society and family.With the aging of the population, how to prevent cognitive dysfunction in elderly patients is a major challenge for perioperative management.There is a certain correlation between circadian rhythm and the dosage of general anesthesia, and postoperative sleep disturbance may be related to the effect of anesthesia and surgery on circadian rhythm.Preoperative sleep deprivation is known to be an independent risk factor for postoperative cognitive dysfunction (POCD), but the circadian mechanisms involved after general anesthesia are not yet clear

Studieoversikt

Status

Ukjent

Forhold

Intervensjon / Behandling

Studietype

Intervensjonell

Registrering (Forventet)

120

Fase

  • Ikke aktuelt

Kontakter og plasseringer

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

Studiesteder

  • Kina
    • Liaoning
      • Shenyang, Liaoning, Kina, 110004
        • Rekruttering
        • Junchao hospital Zhu
        • Ta kontakt med:

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

65 år til 90 år (Eldre voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

Inclusion Criteria:

  • preoperative sleep disorders
  • did not receive any preoperative chemoradiotherapy
  • the duration of surgery ≧3 hours

Exclusion Criteria:

  • History of schizophrenia
  • epilepsy
  • parkinson's disease or myasthenia gravis
  • Critical illness (preoperative American society of anesthesiologists (ASA) ASA >III)
  • severe liver insufficiency (ChildePugh grade C)
  • severe renal insufficiency (preoperative dialysis)
  • neurosurgery

Studieplan

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

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Annen
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Firemannsrom

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Annen: Day group
60 patients scheduled for elective laparoscopic abdominal surgeries under general anesthesia were randomly assigned to receive operation in the Day Group ( 8:00-12:00)
Annen: receiving operation during the day or at night
120 patients scheduled for elective laparoscopic abdominal surgeries under general anesthesia were randomly assigned to receive operation in the Day Group (8:00-12:00) and in the Night Group (18:00-22:00)
Annen: Night group
60 patients scheduled for elective laparoscopic abdominal surgeries under general anesthesia were randomly assigned to receive operation in the Night Group (18:00-22:00)
Annen: receiving operation during the day or at night
120 patients scheduled for elective laparoscopic abdominal surgeries under general anesthesia were randomly assigned to receive operation in the Day Group (8:00-12:00) and in the Night Group (18:00-22:00)

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
postoperative sleep quality of one night before surgery
Tidsramme: one night before the surgery
use sleep monitor to test the sleep quality one night before surgery
one night before the surgery
postoperative sleep quality of first night after surgery
Tidsramme: the first night after surgery
use sleep monitor to test the sleep quality first night after surgery
the first night after surgery
postoperative sleep quality of third night after surgery
Tidsramme: the third night after surgery
use sleep monitor to test the sleep quality third night after surgery
the third night after surgery

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Preoperative cognitive function test
Tidsramme: one day before surgery
use MMSE(Mini-mental state examination) scale to test the cognitive function one day before surgery. MMSE(Mini-mental state examination) is a simple test assessing several categories, such as orientation to time and place, short term memory, recall, attention, calculation, language and visuo-spatial abilities. Scores ranging from 30 to 24 usually indicate normal cognitive function, while lower scores suggest the presence of cognitive impairment: mild from 23 to 19, moderate from 18 to 10 and severe from 9 to 0
one day before surgery
Postoperative cognitive function test of 6 weeks after surgery
Tidsramme: 6 weeks after surgery
use MMSE(Mini-mental state examination) scale to test the cognitive function 6 weeks after surgery. MMSE is a simple test assessing several categories, such as orientation to time and place, short term memory, recall, attention, calculation, language and visuo-spatial abilities. Scores ranging from 30 to 24 usually indicate normal cognitive function, while lower scores suggest the presence of cognitive impairment: mild from 23 to 19, moderate from 18 to 10 and severe from 9 to 0
6 weeks after surgery
Postoperative cognitive function test of 1 year after surgery
Tidsramme: 1 year after surgery
use MMSE(Mini-mental state examination) scale to test the cognitive function 1 year after surgery. MMSE(Mini-mental state examination) is a simple test assessing several categories, such as orientation to time and place, short term memory, recall, attention, calculation, language and visuo-spatial abilities. Scores ranging from 30 to 24 usually indicate normal cognitive function, while lower scores suggest the presence of cognitive impairment: mild from 23 to 19, moderate from 18 to 10 and severe from 9 to 0
1 year after surgery
Postoperative cognitive function test of 3 years after surgery
Tidsramme: 3 years after surgery
use MMSE(Mini-mental state examination) scale to test the cognitive function 3 years after surgery. MMSE(Mini-mental state examination) is a simple test assessing several categories, such as orientation to time and place, short term memory, recall, attention, calculation, language and visuo-spatial abilities. Scores ranging from 30 to 24 usually indicate normal cognitive function, while lower scores suggest the presence of cognitive impairment: mild from 23 to 19, moderate from 18 to 10 and severe from 9 to 0
3 years after surgery

Samarbeidspartnere og etterforskere

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

Sponsor

Shengjing 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 (Forventet)

1. januar 2020

Primær fullføring (Forventet)

30. november 2022

Studiet fullført (Forventet)

31. desember 2022

Datoer for studieregistrering

Først innsendt

10. desember 2019

Først innsendt som oppfylte QC-kriteriene

10. desember 2019

Først lagt ut (Faktiske)

11. desember 2019

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

11. desember 2019

Siste oppdatering sendt inn som oppfylte QC-kriteriene

10. desember 2019

Sist bekreftet

1. desember 2019

Mer informasjon

Begreper knyttet til denne studien

Nøkkelord

Andre studie-ID-numre

  • circadian clock

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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