- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT01819337
The Influence of Preoperative Cardiopulmonary Capacity on the Perioperative Lactate Level
The Influence of Preoperative Cardiopulmonary Capacity Mesured in MET's (Metabolic Equivalents) on the Perioperative Lactate Level
Studieoversigt
Status
Detaljeret beskrivelse
The determination of the cardiopulmonary (c/p) capacity is very important for the evaluation of every patient undergoing surgery. The ability to climb at least two flight of stairs is seen to be an acceptable c/p capacity for surgery. There are several ways to evaluate the fitness of patients. A common method to estimate the cardiopulmonary capacity is defining patients through the MET's (metabolic equivalents) scale. MET's can be defined relatively easy through a simple questionnaire. Patients with a reduced c/p capacity have less than 4 MET's, patients with a relatively good c/p capacity have 4-10 MET's and patients with a excellent c/p capacity have more than 10 MET's.
The lactate level in blood serum is a common parameter to asses anaerobic metabolism in patients. A high lactate level correlates with higher mortality rates and outcome.
To yet it is not clear if there exists a correlation between the preoperative cardiopulmonary capacity measured in MET's and the perioperative lactate level. We hypothysed that patients with a reduced cardiopulmonary capacity are associated with higher perioperative lactate levels, as these group of patients compensate the stressors operation/anesthesia less than patients with a good c/p capacity.
Undersøgelsestype
Tilmelding (Faktiske)
Kontakter og lokationer
Studiesteder
-
-
NRW
-
Wuppertal, NRW, Tyskland, 42283
- Helios Klinikum Wuppertal
-
-
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Prøveudtagningsmetode
Studiebefolkning
Beskrivelse
Inclusion Criteria:
- Age > 18 years
Exclusion Criteria:
- Cardiac surgery
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
lactate - venous blood gas analysis
Tidsramme: venous lactate will be measured at anaesthesia induction and anesthesia termination - the average time frame is 2 hours
|
mmol/l
|
venous lactate will be measured at anaesthesia induction and anesthesia termination - the average time frame is 2 hours
|
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
icu in hospital mortality
Tidsramme: icu patients will be followed over their hospital stay over a maximum period of 6 months
|
icu patients will be followed over their hospital stay over a maximum period of 6 months
|
|
|
hemoglobin - venous blood gas analysis
Tidsramme: hemoglobin will be measured at anaesthesia induction and anesthesia termination - the average time frame is 2 hours
|
g/dl
|
hemoglobin will be measured at anaesthesia induction and anesthesia termination - the average time frame is 2 hours
|
|
icu ventilation time
Tidsramme: icu patients will be followed over their hospital stay over a maximum period of 6 months
|
hours/days
|
icu patients will be followed over their hospital stay over a maximum period of 6 months
|
Samarbejdspartnere og efterforskere
Sponsor
Efterforskere
- Studiestol: Gerhard Schneider, Prof., Dept. Anaesthesiology
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
- Lactate1
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 .
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