- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT01698125
Autonomic Cardiovascular Control for Elderly Surgery Patients
Studieoversigt
Detaljeret beskrivelse
Patients admitted for elective, major, abdominal surgery will be tested with a head-up tilting to 20 degrees for 15 minutes preoperatively and again on the second postoperative day. Haemodynamic variables will be registered by the device TaskForceMonitor which monitors heart rate (HR), electrocardiography (ECG), blood pressure and stroke volume continuously and non-invasively.
Background variables (including demographics, comorbidity and simple cognitive tests) and daily variables (including delirium assessments) will be registered.
Blood and saliva samples will be drawn preoperatively and postoperatively to measure levels of stress hormones and inflammatory markers.
Undersøgelsestype
Tilmelding (Faktiske)
Kontakter og lokationer
Studiesteder
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Oslo, Norge
- Oslo University Hospital, Ullevaal
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Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Prøveudtagningsmetode
Studiebefolkning
Beskrivelse
Inclusion Criteria:
- Patients 65 years or older scheduled for abdominal surgery at Oslo University Hospital
Exclusion Criteria:
- Absence of a valid informed consent or assent, or consent from a legal proxy
- Patients with atrial fibrillation or a pacemaker rhythm
- Polyneuropathy
- Current treatment with beta-blockers, calcium-blockers or cholinesterase inhibitors
- Competing research project
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Kohorter og interventioner
Gruppe / kohorte |
Intervention / Behandling |
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Abdominal surgery
Patients 65 years or older scheduled for abdominal surgery at Oslo University Hospital
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Patients 65 years or older scheduled for abdominal surgery at Oslo University Hospital
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Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
---|---|---|
Change in orthostatic cardiovascular responses
Tidsramme: Baseline and postoperatively at surgical ward (expected second postoperative day)
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Change in orthostatic cardiovascular responses (head-up tilt test) pre- and postoperatively in patients with and without postoperative delirium will be evaluated based on measurements of heart rate, systolic blood pressure (BP), mean BP, diastolic BP, stroke index, total peripheral resistance index, end-diastolic volume index, and acceleration index.
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Baseline and postoperatively at surgical ward (expected second postoperative day)
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Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
---|---|---|
Barthel Activities of Daily Living (ADL) Scale
Tidsramme: Baseline
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Score from 0-20 points
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Baseline
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Nottingham Extended Activity of Daily Living (NEADL) Scale
Tidsramme: Baseline
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Score from 0-66 points.
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Baseline
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Cumulative Illness Rating Scale
Tidsramme: Baseline
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Total score from 0-56.
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Baseline
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Dementia
Tidsramme: Baseline
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Simple cognitive tests preformed preoperatively, including MMSE, Clock Drawing Test, Trail making A and B and Ten word memory test.
Also IQCODE when reliable information is present.
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Baseline
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Delirium
Tidsramme: Baseline and a minimum of 2 days after the second tilt-test, an expected average of 5 days.
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Daily assessing the patient using the Confusion Assessment Method (CAM), shortened version.
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Baseline and a minimum of 2 days after the second tilt-test, an expected average of 5 days.
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Cortisol
Tidsramme: Baseline and second postoperative day
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Looking for differences in levels of cortisol in saliva (morning samples) pre-and postoperatively in patients developing delirium compared to patients not developing delirium.
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Baseline and second postoperative day
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Severity of delirium
Tidsramme: Baseline and a minimum of 2 days after the second tilt-test, an expected average of 5 days
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Daily assessing the patient using MDAS (the memorial delirium assessment scale).
Total score from 0-30.
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Baseline and a minimum of 2 days after the second tilt-test, an expected average of 5 days
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Gait speed
Tidsramme: Baseline
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Measuring comfortable gait speed at length of 4 meters, best result of 2 tests.
Result in meter per second.
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Baseline
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Samarbejdspartnere og efterforskere
Sponsor
Samarbejdspartnere
Efterforskere
- Studieleder: Torgeir B Wyller, MD, Prof, Oslo University Hospital
Datoer for undersøgelser
Studer store datoer
Studiestart
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- 2011/2498/REK nord
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