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PubMed1981

[Exposure rates in fluoroscopy in Quebec].

For the past two years, the authors have measured by means of an ionization chamber the exposure rates of 155 fluoroscopic systems. Of these, 42% measured beyond the maximum of 5 R/min recommended by radiation protection codes. Systems linked to a television chain functioned at generally lower levels. There was no significant difference between remote controlled and non remote systems. However, appreciable differences between the units of two manufacturers were observed. The corrective measures which must follow this survey will result for Quebec in a saving of 2.0 millions of rads to the population which becomes, without doubt, the single most important factor of radiation protection.

Fluoroscopy↗
PubMed1977

[Radiation exposure to personnel during fluoroscopy in operating rooms (author's transl)].

The radiation doses to various sites of the body received by physicians and nurses during fluoroscopic work in the operating room have been measured by using LF/teflon dosimeters. The results are presented separately for skeleton and bile operation as well as implantations of cardiac pacemakers. The doses to hands, head, dorsum and gonads decrease in the given sequence. As to the radiation protection, the use of lead-rubber aprons is considered to be adequate.

Female↗
PubMed1996

Characterization of anatomic communications between the femoropatellar joint and lateral and medial femorotibial joints in cattle, using intra-articular latex, positive contrast arthrography, and fluoroscopy.

OBJECTIVE: To evaluate the frequency of communication between the lateral and medial femorotibial joints and the femoropatellar joint in cattle. DESIGN: 1 of 3 injection sites was randomly assigned to each ox. ANIMALS: 102 limbs were obtained from 55 fresh bovine cadavers presented for necropsy with problems unrelated to the stifle. PROCEDURE: The joints were injected with a mixture of latex and barium sulfate. Communication between 2 or more joints was determined by the presence of latex and contrast material in a joint adjacent to the injected joint by examining frozen sections and positive-contrast arthrography. RESULTS: Communication between the 3 joints was present in 58 (56.9%) limbs. The femoropatellar and the medial femorotibial joints always communicated. Thirteen of 38 (34.2%) specimens injected in the lateral femorotibial joint did not communicate with the 2 other joints. The femoropatellar joint communicated with the lateral and medial femorotibial joints on the distal abaxial aspect of the trochlear ridge. CONCLUSION: Individual anatomic variation of the stifle in cattle should be considered when diagnostic or treatment protocols are established. CLINICAL RELEVANCE: The lateral femorotibial joint should be treated separately because it does not consistently communicate with the femoropatellar or medial femorotibial joint.

Animals↗