2013 ct head

Telephone interviews were arranged at a time that was convenient for the participant and were digitally recorded.

ct brain

The reason behind the variation in effect across the two studies remains unclear. Retrospective theory-based process evaluations have provided useful information for interpreting results in implementation trials of a structured recall and prompting intervention [ 16 ], and enhanced feedback and brief educational reminders [ 17 ].

computed tomography

The current study aimed to determine the risk of cataract associated with repeated radiation exposure from head and neck CT. There is an increasing appreciation for the use of theory to conduct process evaluations to better understand how strategies are linked with outcomes in implementation trials.

Ct scan

The result is simulated projection raw data that can then be compared with the actually measured data from the scanner. High quality tools such as clinical decision rules can improve efficiency in decision-making and have the potential to improve quality of care. We analysed the dose reduction that can be achieved with a new CT scanner [Somatom Edge E ] that incorporates new developments in hardware detector and software iterative reconstruction. Methods Design This was a qualitative study with physicians from the six intervention sites who participated in the Canadian CT Head Rule trial [ 10 ]. The majority of participants suggested that with hour access to CT scanners in most departments, the convenience and ease of obtaining other evidence to support their diagnosis is tempting. The ever-increasing number of CT studies makes dose reduction one of the most important tasks for manufacturers and operators of CT scanners. The exposed group had higher overall incidence of cataracts 0. Procedure A letter explaining the purpose of the study was sent to the project leads at each of the intervention sites three academic, three community from the Canadian CT Head Rule trial. The remaining six transcripts were subsequently coded as the interviews were completed using the same approach. Received Jul 31; Accepted Oct Two reviewers independently coded the anonymised interview transcripts using the TDF as a coding framework. We used a directional approach [ 30 ] to content analysis in order to systematically categorize the textual data into domains. Table 1 Summary of domains and specific beliefs Full size table Domains unlikely to explain physician response to implementation of the Canadian CT Head Rule Knowledge about the Canadian CT Head Rule and awareness of the scientific rationale for the rule was high among study participants.

Received Jul 31; Accepted Oct Conclusion This proof of concept study demonstrates the use of the TDF as a guiding framework to design a retrospective theory-based process evaluation. Table 1 outlines 29 beliefs, which were identified in 11 theoretical domains.

ct scan report of brain

The remaining six transcripts were subsequently coded as the interviews were completed using the same approach.

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Normal CT brain