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Cardiac Complication After Vascular Surgery (CCVS)

13. juni 2017 opdateret af: Jowita Biernawska, Pomeranian Medical University Szczecin

The Reasons of Repolarization Disturbances Disclosure in Vascular Surgery

The vascular surgery is a highest risk procedure when considering postoperative complications associated with the cardiovascular system. The leading clinical presentation is acute hemodynamic decompensation. However, one of the possible pathomechanisms might be repolarization disturbances. Many of perioperative risk factors of cardiac complications are modifiable. The identification may help in the global perioperative risk reduction.

Aim: The aim of the study was an identification of the factors which may release clinically overt repolarization disturbances.

Methods: The study group consisted of 100 patients, diagnosed with abdominal subrenal aortic aneurysms or peripheral arterial disease scheduled for an elective "open" vascular surgery procedure. The authors investigated whether age, gender, comorbidities or some perioperative factors (including hemodynamic, metabolic or genetic) were related to the occurrence of clinically concealed repolarization disturbances or clinically disclosed cardiac complications in postoperative time up to 30 day and one year after vascular surgery procedure.

Studieoversigt

Detaljeret beskrivelse

Vascular surgery is thought as the highest risk procedure in the context of cardiac complications. The range may include acute coronary syndrome, acute circulatory failure, severe arrhythmias, syncope and sudden cardiac death. The patient population is considered as a high risk, too. Popular calculators used for risk stratifications are based on preoperative patient's history and some general laboratory results. However, general status of the patient changes dynamically during vascular procedures leading to acquired increased risk. For this reason, sole preoperative risk prediction based on standard calculators is unsuitable and suboptimal. Advanced monitoring systems may record some temporary disturbances (e.g. ventricular repolarization disturbances), which may be asymptomatic. The clinical significance in postoperative risk prediction of such observations remains undefined. On the other hand, many of perioperative cardiac complications are caused by modifiable factors. The identification may help in the global perioperative risk reduction.

Undersøgelsestype

Observationel

Tilmelding (Faktiske)

100

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

18 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Prøveudtagningsmetode

Sandsynlighedsprøve

Studiebefolkning

Adult patients diagnosed with abdominal subrenal aortic aneurysms or peripheral arterial disease scheduled for an elective "open" vascular surgery procedure. The study was conducted by the team from Department of Anaesthesiology, Intensive Care and Acute Poisoning of the tertiary teaching hospital at the Pomeranian Medical University in Szczecin, Poland.

Beskrivelse

Inclusion Criteria:

  • adult patients diagnosed with abdominal subrenal aortic aneurysms or peripheral arterial disease scheduled for an elective "open" vascular surgery procedure

Exclusion Criteria:

  • heart stimulation,
  • atrioventricular and intraventricular conduction defects,
  • atrial fibrillation recorded before of the study,
  • antiarrhythmic drug treatment (except beta-blockers),
  • unoptimal patient general status (uncontrolled diabetes, active infection)
  • reoperation
  • emergency operations

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

Kohorter og interventioner

Gruppe / kohorte
Intervention / Behandling
vascular surgery patients
  • clinically concealed repolarization disturbances during vascular surgery procedure
  • clinically disclosed cardiac complications during and after vascular surgery procedure
  • an elective "open" vascular surgery procedure
  • ECG Holter recording during the procedure and 24 hours after operation (continuous electrocardiographic tracing (digital Holter ECG monitor)

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
cardiac complications
Tidsramme: up to 30 days after vascular procedure
cardiac complications according to European Society of Cardiology
up to 30 days after vascular procedure

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
cardiac complications
Tidsramme: during surgical procedure
cardiac complications according to European Society of Cardiology
during surgical procedure
cardiac complications
Tidsramme: one year
cardiac complications according to European Society of Cardiology
one year

Samarbejdspartnere og efterforskere

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

Efterforskere

  • Ledende efterforsker: Jowita Biernawska, MD, PhD, Department of Anaesthesiology and Intensive Care of the Pomeranian Medical University in Szczecin, Poland.

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 (Faktiske)

1. december 2010

Primær færdiggørelse (Faktiske)

1. december 2016

Studieafslutning (Faktiske)

1. juni 2017

Datoer for studieregistrering

Først indsendt

8. juni 2017

Først indsendt, der opfyldte QC-kriterier

13. juni 2017

Først opslået (Faktiske)

15. juni 2017

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

15. juni 2017

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

13. juni 2017

Sidst verificeret

1. juni 2017

Mere information

Begreber relateret til denne undersøgelse

Plan for individuelle deltagerdata (IPD)

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Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

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Ingen

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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