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Radiation exposure in different cardiac catheterization procedures in cath lab
Insights
Radiation exposure during cardiac catheterization varies significantly based on the procedure type, operator experience, and access route. Understanding these variations is crucial for minimizing radiation doses for cardiology teams.
Area of Science:
- Cardiology
- Radiological Protection
- Medical Imaging
Background:
- Interventional cardiology procedures expose cardiologists and staff to significant radiation.
- Assessing radiation exposure is vital for occupational safety in cardiac catheterization labs.
Purpose of the Study:
- To evaluate and quantify radiation exposure levels.
- To compare radiation doses across different cardiac catheterization procedures, operators, and vascular access routes.
Main Methods:
- A descriptive cross-sectional study was conducted from November 2008 to December 2009.
- Patients were grouped by procedure: coronary angiography, percutaneous coronary intervention (PCI), permanent pacemaker (PPM), and percutaneous transvenous mitral commissurotomy (PTMC).
- Radiation doses were analyzed based on operator (consultants vs. trainees) and access site (femoral, radial, sub-clavian).
Main Results:
- Radiation doses varied considerably among procedures, with PCI showing the highest mean dose and PTMC the lowest.
- Femoral access generally resulted in higher radiation doses compared to radial or sub-clavian access.
- Consultants received higher mean radiation doses than trainees, though procedure complexity also plays a role.
Conclusions:
- Radiation exposure in cardiac catheterization is not uniform.
- Significant differences in radiation doses exist based on the specific procedure, the operator's experience level, and the chosen vascular access route.
- Findings highlight the need for tailored radiation protection strategies in interventional cardiology.
Background:
Interventional procedures render cardiologolists and their team members to high doses of radiations. This study was conducted to assess the radiation exposure in various cardiac catheterization procedures.
Methods:
This descriptive cross sectional study was conducted at the catheterization laboratory of Lady Reading Hospital Peshawar from November 2008 to December 2009. Patients were categorized into four groups for procedures a. coronary angiography, b. percutaneous coronary intervention (PCI), c. permanent pacemakers (PPM) and d. percutaneous transvenous mitral commisurotomy (PTMC), two groups for operators (consultants and trainees), and three groups for various accesses (femoral, radial and sub-clavian).
Results:
A total of 99 patients undergoing cardiac catheterization were studied. Coronary angiography was performed in 52 (52.5%) patients, PCI in 32 (32.3%)), pacemakers in 6 (6.1%), and PTMC in 9 (9.1%) patients. Consultants did 72 (72.7%) procedures and trainees did 27 (27.3%) procedures. Through radial access, 22 (22.2%) procedures were performed, 71 (71.7%) through femoral, and 6 (6.1%) through sub-clavian. The mean radiation dose for coronary angiography was (4907.862 +/- 15231.6358 microGym2), PCI (10375.16 +/- 16083.4385 microGym2), pacemakers (1406.823 +/- 785.489 microGym2), and PTMC (1157.91 +/- 760.437 microGym2). The mean radiation dose for radial (6147.33 +/- 8480.37 microGym2), femoral (6512.58 +/- 16566.73 microGym2), and sub-clavian was (1406.82 +/- 785.48 microGym2). While for various operators consultants (7489.5 +/- 16925.55 microGym2), and trainees (2475.25 +/- 1178.86 microGym2). The mean time for radial (8.59 +/- 7.28 min), femoral (6.95 +/- 6.43 min) and sub-clavian was (8.24 +/- 4.81 min). The mean time for coronary angiography (4.56 +/- 5.32 min), PCI (11.44 +/- 6.92 min), PPM (8.24 +/- 4.81 min), and PTMC (8.28 +/- 5.01 min).
Conclusions:
Radiation dose varies substantially across different groups by different operators and different routes.
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