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Clinical Practice Guidelines for the management of locally advanced ...

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A2.1.1 Structure <strong>the</strong> research questions<br />

A wide range <strong>of</strong> questions was proposed <strong>for</strong> research. The questions focussed on interventions ra<strong>the</strong>r<br />

than diagnosis or prognosis. All proposed questions were reviewed on <strong>the</strong> basis <strong>of</strong> <strong>the</strong>ir purpose,<br />

scope and clinical importance to <strong>the</strong> target audience and were structured according to <strong>the</strong> PICO<br />

(populations, interventions, comparisons, outcomes) <strong>for</strong>mulation.<br />

The questions were ranked and <strong>the</strong>n 52 were identified as requiring systematic reviews.<br />

A2.1.2 Develop a search strategy<br />

Each research question was submitted to a search strategy based on <strong>the</strong> PICO <strong>for</strong>mulation.<br />

Most searches were directed to prostate cancer as a generic base. Searches were limited or widened as<br />

necessary, but all maintained <strong>the</strong> PICO structure. Keywords were selected during <strong>the</strong> PICO process.<br />

Fur<strong>the</strong>r sources <strong>for</strong> keywords or MESH and subject terms were derived from evidence-based material,<br />

systematically reviewed articles and appropriately relevant literature. A single systematic search<br />

strategy was derived from <strong>the</strong>se terms and applied to all included electronic databases.<br />

A2.1.3 Search <strong>the</strong> literature<br />

<strong>Clinical</strong> practice guidelines should be based on systematic identification and syn<strong>the</strong>sis <strong>of</strong> <strong>the</strong> best<br />

available scientific evidence. 1 All literature searches were conducted systematically using electronic<br />

databases concluding 1 April 2006. Examples include:<br />

Medline: bibliographic references and abstracts to articles in a range <strong>of</strong> languages on topics such<br />

as clinical medical in<strong>for</strong>mation and biomedicine, and including <strong>the</strong> allied health fields, biological<br />

and physical sciences<br />

EMBASE: major pharmacological and biomedical database indexing drug in<strong>for</strong>mation from 4550<br />

journals published in 70 countries<br />

Cinahl: bibliographic references and abstracts to journal articles, book chapters, pamphlets,<br />

audiovisual materials, s<strong>of</strong>tware, dissertations, critical paths, and research instruments on topics<br />

including nursing and allied health, biomedicine, consumer health, health sciences librarianship,<br />

behavioural sciences, <strong>management</strong>, and education<br />

Cochrane Library: regularly updated collection <strong>of</strong> evidence-based medicine databases, including<br />

The Cochrane Database <strong>of</strong> Systematic Reviews<br />

<strong>Clinical</strong> evidence: compendium <strong>of</strong> evidence on <strong>the</strong> effects <strong>of</strong> clinical interventions updated every<br />

six months published by <strong>the</strong> British Medical Journal Publishing Group<br />

Psychinfo: Bibliographic references and abstracts to journal articles, book chapters, dissertations<br />

and technical reports on psychology; social, clinical, cognitive and neuropsychology; psychiatry,<br />

sociology, anthropology and education, with source material from a wide range <strong>of</strong> languages.<br />

For each search, <strong>the</strong> following details were provided in topic- or question-specific reports (available<br />

on request from <strong>the</strong> Australian Cancer Network):<br />

electronic databases searched<br />

terms used to search <strong>the</strong> databases<br />

search inclusion or exclusion criteria<br />

language<br />

<strong>Clinical</strong> practice guidelines <strong>for</strong> <strong>the</strong> <strong>management</strong> <strong>of</strong> <strong>locally</strong> <strong>advanced</strong> and metastatic prostate cancer<br />

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