- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT01910272
Brain Radiation Exposure and Attenuation During Invasive Cardiology Procedures (BRAIN)
Brain Radiation Exposure and Attenuation During Invasive Cardiology Procedures.
Studieoversigt
Status
Betingelser
Intervention / Behandling
Detaljeret beskrivelse
This is a prospective study evaluating radiation exposure to operators of invasive cardiovascular procedures at the UCSD Medical Center in La Jolla. Primary and secondary operators of cardiac catheterization procedures using fluoroscopy guidance, including cardiac catheterization, coronary angiography, and interventional procedures will wear multiple dosimeters to evaluate levels of radiation exposure. The primary and secondary operators will wear six dosimeters on their heads; three outside the non-lead attenuating cap and three underneath the cap. Above and beneath the cap, the dosimeters will be on the left side, in the center, and on the right side of the head. The dosimeters will be worn for a target of at least 50 procedures for each operator. The primary operators will be closest to the procedural site and the fluoroscopy unit for the majority of the procedure, while the secondary operators will be to the right side of the primary operators during the procedures. The operators will maintain this designation while participating in the study. All operators will continue to wear the dosimeters issued by the catheterization laboratory as part of standard radiation monitoring.
Each operator will be assigned six dosimeters, which will be secured within the cap at the time of assignment. The use of each cap and respective set of dosimeters will be recorded in a log book in the secure cardiac catheterization laboratory and associated with specific cardiac case numbers. Specific factors related to operator radiation exposure for each procedure will be recorded including: operator height, patient weight and BMI, dose area product (DAP), fluoroscopy time, length of procedure, type of procedure, access site, and complexity of procedure as determined by the attending physician. The operators will comment on the comfort of the cap using a semi-quantitative scale and the levels of exposure will be measured from the dosimeters. The operators will also be asked to compare and contrast the study cap with any other attenuating or non-attenuating cap that has been previously worn. At the conclusion of the study, statistical analysis will be performed to determine the differential levels of exposure between the primary and secondary operators, between different sides of the head, and the attenuation ability of the XPF cap. The dosimeters on the outside of the cap will serve as the control in evaluating the attenuating ability of the cap compared to the corresponding dosimeters on the inside. Each dosimeter location on the outside of the cap will be compared to the other locations for both the outside and the inside sets. And finally, the exposure measurements will be compared between the primary and secondary operators for each dosimeter location. The specific factors listed above that affect operator exposure will be taken into account as well.
Undersøgelsestype
Tilmelding (Faktiske)
Kontakter og lokationer
Studiesteder
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California
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La Jolla, California, Forenede Stater, 92093
- University of California, San Diego, Sulpizio Cardiovascular Center
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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:
- 18 years or older
- Routinely performing cardiac catheterization procedures as the primary or secondary operators
Exclusion Criteria:
- Cases with emergent indications including STEMI will be excluded
- Cases consisting of solely right heart catheterization will be excluded
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Tidsramme |
---|---|
Differential radiation exposure from corresponding locations on the outside and inside of the non-lead attenuating cap.
Tidsramme: Radiation exposure has been ongoing and will be assessed upon dosimeter measurement in within 1 month by an independent radiation monitoring service.
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Radiation exposure has been ongoing and will be assessed upon dosimeter measurement in within 1 month by an independent radiation monitoring service.
|
Sekundære resultatmål
Resultatmål |
Tidsramme |
---|---|
Differential radiation exposure between the left and right sides of the heads of invasive cardiology operators.
Tidsramme: Dosimeters measurement to be read/reported within one month.
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Dosimeters measurement to be read/reported within one month.
|
Andre resultatmål
Resultatmål |
Tidsramme |
---|---|
Differential radiation exposure between primary and secondary operators of invasive cardiology procedures.
Tidsramme: Dosimeters measurement to be read/reported within one month.
|
Dosimeters measurement to be read/reported within one month.
|
Samarbejdspartnere og efterforskere
Publikationer og nyttige links
Generelle publikationer
- Andreassi MG, Foffa I, Manfredi S, Botto N, Cioppa A, Picano E. Genetic polymorphisms in XRCC1, OGG1, APE1 and XRCC3 DNA repair genes, ionizing radiation exposure and chromosomal DNA damage in interventional cardiologists. Mutat Res. 2009 Jun 18;666(1-2):57-63. doi: 10.1016/j.mrfmmm.2009.04.003. Epub 2009 Apr 22.
- Andreassi MG, Cioppa A, Botto N, Joksic G, Manfredi S, Federici C, Ostojic M, Rubino P, Picano E. Somatic DNA damage in interventional cardiologists: a case-control study. FASEB J. 2005 Jun;19(8):998-9. doi: 10.1096/fj.04-3287fje. Epub 2005 Mar 31.
- Bernardi G, Padovani R, Morocutti G, Vano E, Malisan MR, Rinuncini M, Spedicato L, Fioretti PM. Clinical and technical determinants of the complexity of percutaneous transluminal coronary angioplasty procedures: analysis in relation to radiation exposure parameters. Catheter Cardiovasc Interv. 2000 Sep;51(1):1-9; discussion 10. doi: 10.1002/1522-726x(200009)51:13.0.co;2-k.
- Goni H, Papadopoulou D, Yakoumakis E, Stratigis N, Benos J, Siriopoulou V, Makri T, Georgiou E. Investigation of occupational radiation exposure during interventional cardiac catheterisations performed via radial artery. Radiat Prot Dosimetry. 2005;117(1-3):107-10. doi: 10.1093/rpd/nci763. Epub 2006 Feb 3.
- Kim KP, Miller DL, Balter S, Kleinerman RA, Linet MS, Kwon D, Simon SL. Occupational radiation doses to operators performing cardiac catheterization procedures. Health Phys. 2008 Mar;94(3):211-27. doi: 10.1097/01.HP.0000290614.76386.35.
- Kuon E, Birkel J, Schmitt M, Dahm JB. Radiation exposure benefit of a lead cap in invasive cardiology. Heart. 2003 Oct;89(10):1205-10. doi: 10.1136/heart.89.10.1205.
- Roguin A, Goldstein J, Bar O. Brain tumours among interventional cardiologists: a cause for alarm? Report of four new cases from two cities and a review of the literature. EuroIntervention. 2012 Jan;7(9):1081-6. doi: 10.4244/EIJV7I9A172.
- Reeves RR, Ang L, Bahadorani J, Naghi J, Dominguez A, Palakodeti V, Tsimikas S, Patel MP, Mahmud E. Invasive Cardiologists Are Exposed to Greater Left Sided Cranial Radiation: The BRAIN Study (Brain Radiation Exposure and Attenuation During Invasive Cardiology Procedures). JACC Cardiovasc Interv. 2015 Aug 17;8(9):1197-1206. doi: 10.1016/j.jcin.2015.03.027.
Datoer for undersøgelser
Studer store datoer
Studiestart
Primær færdiggørelse (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
Andre undersøgelses-id-numre
- UCSD #120980
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