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70  n  CoCHRAnE REvIEW



           and made accessible in a standard and struc-  of  Cochrane  reviews  on  nursing-related
           tured way.                               topics  and  the  use  of  Cochrane  reviews  in
   C          Health care practitioners face daily chal-  nursing  practice.  The  CnCF  is  coordinated
           lenges  concerning  the  need  for  their  prac-  from  Adelaide,  Australia,  with  more  than
           tice  to  be  evidence  based.  However,  they   35 members.
           are  confronted  with  information  overload   Cochrane  reviews  with  their  empha-
           because of the increasing number of studies   sis  on  controlled  trials  reflect  a  positivist
           being published worldwide in thousands of   paradigm  within  scientific  inquiry.  The
           medical,  scientific,  and  health-related  jour-  Cochrane  Collaboration  strives  for  meth-
           nals. Cochrane reviews that collate evidence   odological  excellence  in  the  conduct  of
           from multiple studies go some way to assist-  reviews.  The  methodology  of  Cochrane
           ing  practitioners  to  make  informed  clini-  review is rigorous and includes the follow-
           cal   decisions  on  what  interventions  work   ing: (1) electronic publication, without word
           best  toward  achieving  positive  outcomes   limitations, thus  methodological detail can
           for  patients.  Cochrane  reviews  can  inform   be included; (2) public availability of a pre-
           the  development  of  clinical  practice  proto-  planned methods section termed “protocol”;
           cols,  guidelines,  and  pathways  as  well  as   (3) application of  quality ratings to included
           health care policy (Starr, Chalmers, Clarke, &   studies that seek to limit bias and random
           oxman, 2009; Torloni, 2010).             errors;  (4)  a  meta-analysis  of  homogenous
              The  vast  majority  of  Cochrane  reviews   results from studies if feasible; and (5) per-
           collate evidence relating to specific diseases   iodic  updates  to  include  new  evidence  if
           and  treatments  (e.g.,  diabetes,  cancer).  To   available. The format of the Cochrane review
           date, there are few reviews that specifically   is standardized and structured. The official
           focus on nursing practice or nursing specific   handbook, Cochrane Handbook for Systematic
           issues. Davison, Sochan, and Pretorius (2010)   Reviews  of  Interventions published by the
           noted that out of 117 protocols and completed   Cochrane  Collaboration,  details  the  meth-
           reviews  within  the  Effective  Health  Care   odological  procedure  for  preparing  and
           Practice and the organisation of Health Care   maintaining Cochrane reviews (Higgins &
           Review Group, 27% (n = 32) mentioned nurses   Green, 2009).
           or  nursing  practice  in  the  title  or  protocol.   Cochrane  reviews  use  more  rigor-
           These results would indicate that Cochrane   ous   methods  than  non-Cochrane  reviews
           systematic  reviews  have  some  relevance  to   (Moseley,   Elkins,   Herbert,   Maher,   &
           nursing.  However,  a  conflict  exits  between   Sherrington,  2009;  Tricco,  Tetzlaff,  Pham,
           the dominant focus on controlled trials and   Brehaut,  &  Moher,  2009)  and  thus  are  com-
           the  exclusion  of  other  research  methods.   monly  regarded  as  being  of  superior  qual-
           Many health care research questions are dif-  ity to other reviews (Shea, Boers, Grimshaw,
           ficult to test using experimental methodolo-  Hamel, & Bouter, 2006; Starr et al., 2009). In
           gies,  thus  creating  some  conflict  for  nurses   2009, the Cochrane Database of Systemic Reviews
           in using Cochrane reviews in clinical prac-  received its first official impact factor (5.182)
           tice and in their involvement in conducting   based on citations in 2008 (Cochrane Reviews,
           Cochrane reviews.                        2010). The impact factor is a measure of the
              Although there is no Cochrane nursing   frequency with which the “average article” in
           review group, a Cochrane nursing Care Field   a journal has been cited in a particular year.
           (CnCF)  has  been  established  and  is  one  of   Since  the  formal  establishment  of  the
           16 fields within the Cochrane Collaboration.   Cochrane  Collaboration,  more  than  4,000
           The aims of the CnCF include becoming a   reviews  have  been  published  (Cochrane
           global alliance of those involved in nursing   Reviews,  2010).  However,  the  Collaboration
           care  who  wish  to  promote  the  preparation   continues  to  strive  to  improve  review
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