- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT01905488
Perioperative Changes of Cognitive Function According to Jugular Vein Insufficiency in Robot-assisted Prostatectomy
18. juli 2013 opdateret af: Yonsei University
Internal jugular vein (IJV) is the main pathway of cerebral venous drainage and it has valve system to prevent retrograde blood flow to the brain.
Anatomical studies revealed that bicuspid or tricuspid valves were located in both jugular veins 2 cm above the subclavia-jugulars bifurcation and 7-18% of the valves were incompetent.
IJVV incompetence (IJVVI) may result in retrograde flow which leads to brain congestion and increase of intracranial pressure, which can cause brain dysfunctions in some patients.
IJVVI has been reported to be associated with transient global amnesia (TGA), cough syncope, exertional headache, transient ischemic attack, and air embolism.
Demographic data are associated with the development of IJVVI.
Akkawi et al. demonstrated that old age over 50 years and male gender are the risk factors for IJVVI.
A few physiologic conditions are related with IJVVI including elevated intra-thoracic and intra-abdominal pressure, and pulmonary hypertension.
Robot assisted laparoscopic prostatectomy (RLP) is one of the most common robotic surgery because of its significant benefits such as smaller incision, less severe postoperative pain, less intraoperative bleeding, and shorter hospital stay compared to traditional radical prostatectomy.
The patients undergoing RLP are mostly over 60 years old, have neurologic, cardiac and pulmonary comorbidities.
For RLP, patients are in Trendelenburg position most of the time during surgery, which could cause increases in intra-abdominal and intrathoracic pressure.
Studieoversigt
Status
Afsluttet
Betingelser
Undersøgelsestype
Observationel
Tilmelding (Faktiske)
50
Kontakter og lokationer
Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.
Studiesteder
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Seoul, Korea, Republikken, 120-752
- Department of Anesthesiology and Pain Medicine, Anesthesia and Pain Research Institute, Yonsei University College of Medicine
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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
56 år til 78 år (Voksen, Ældre voksen)
Tager imod sunde frivillige
Ingen
Køn, der er berettiget til at studere
Han
Prøveudtagningsmetode
Ikke-sandsynlighedsprøve
Studiebefolkning
Patients who were over 50 years old with ASA class I or II, scheduled for robot-assisted laparoscopic prostatectomy
Beskrivelse
Inclusion Criteria:
- over 50 years old
- ASA class I or II
- Scheduled for robot assisted laparoscopic prostatectomy
Exclusion Criteria:
- previous neurologic deficit
- history of psychiatric disease, alcoholism or other drug dependency
- Serious hearing or visual impairment or any other comorbidities which would preclude neuropsychological tests
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 |
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Group N
patients who didn't show internal jugula vein valve incompetency (IJVVI)
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Group PT
patients who showed IJVVI after pneumoperitoneum or Trendelenburg position
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Group S
patients who showed IJVVI in supine position
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Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
---|---|---|
Change of neurocognitive function from baseline at 2 days after surgery
Tidsramme: 2 days after surgery
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Six neurocognitive function tests( 1. Mini-Mental State Examination 2. Auditory Verbal Learning Test 3. Digit Symbol Substitution Test 4. Color Word Stroop Test 5. Digit Span Test 6. Grooved Pegboard Test ) were performed 1 day before surgery as a baseline, then 2 days after surgery as primary outcome parameters.
The values between 2 observations were compared to evaluated th neurocognitive dysfunction between groups separated by the presence of IJVVI.
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2 days after surgery
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Samarbejdspartnere og efterforskere
Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.
Sponsor
Publikationer og nyttige links
Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.
Generelle publikationer
- Akkawi NM, Agosti C, Borroni B, Rozzini L, Magoni M, Vignolo LA, Padovani A. Jugular valve incompetence: a study using air contrast ultrasonography on a general population. J Ultrasound Med. 2002 Jul;21(7):747-51. doi: 10.7863/jum.2002.21.7.747.
- Silva MA, Deen KI, Fernando DJ, Sheriffdeen AH. The internal jugular vein valve may have a significant role in the prevention of venous reflux: evidence from live and cadaveric human subjects. Clin Physiol Funct Imaging. 2002 May;22(3):202-5. doi: 10.1046/j.1475-097x.2002.00418.x.
- Dresser LP, McKinney WM. Anatomic and pathophysiologic studies of the human internal jugular valve. Am J Surg. 1987 Aug;154(2):220-4. doi: 10.1016/0002-9610(87)90185-1.
- Sander D, Winbeck K, Etgen T, Knapp R, Klingelhofer J, Conrad B. Disturbance of venous flow patterns in patients with transient global amnesia. Lancet. 2000 Dec 9;356(9246):1982-4. doi: 10.1016/S0140-6736(00)03313-4.
- Nedelmann M, Eicke BM, Dieterich M. Increased incidence of jugular valve insufficiency in patients with transient global amnesia. J Neurol. 2005 Dec;252(12):1482-6. doi: 10.1007/s00415-005-0894-9. Epub 2005 Jul 7.
- Maalikjy Akkawi N, Agosti C, Anzola GP, Borroni B, Magoni M, Pezzini A, Rozzini L, Vignolo LA, Padovani A. Transient global amnesia: a clinical and sonographic study. Eur Neurol. 2003;49(2):67-71. doi: 10.1159/000068501.
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. maj 2009
Primær færdiggørelse (Faktiske)
1. november 2009
Studieafslutning (Faktiske)
1. november 2009
Datoer for studieregistrering
Først indsendt
16. juli 2013
Først indsendt, der opfyldte QC-kriterier
18. juli 2013
Først opslået (Skøn)
23. juli 2013
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
23. juli 2013
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
18. juli 2013
Sidst verificeret
1. juli 2013
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- 4-2009-0056
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 .