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Drugs for preventing postoperative nausea and vomiting

This review has been withdrawn

Reason for withdrawal from publication

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July 2017

This review is being withdrawn by the Cochrane Review Group with the agreement of the authors, as, at the time of writing, 67 of the 737 studies included in the review have been retracted since the review was published, and there are also investigations ongoing for a number of other studies. Retracted studies and the analyses affected are listed below.

When this Cochrane Review was published there had already been some criticism of the studies authored by Fujii et al., and the authors of the Cochrane Review performed subgroup analyses that compared studies authored by Fujii et al with other studies (comparisons 13.01 to 13.09).

This review will now be split, updated and replaced following the publication of a new protocol ("Drugs for preventing postoperative nausea and vomiting in adults after general anaesthesia"). This version will remain withdrawn when the new review is published.

Analyses that include studies that have been retracted: 1.1, 1.2, 1.3, 1.4, 3.1, 3.2, 3.3, 3.4, 4.1, 4.2, 4.3, 4.4, 6.1, 6.2, 6.3, 6.4, 7.2, 7.5, 12.3, 12.8, 12.11, 12.15, 12.18, 12.20, 12.24, 12.27, 12.31, 12.34, 12.39, 12.42, 13.1, 13.2, 13.3, 13.4, 13.5, 13.6, 13.7, 13.8, 13.9.

Studies that have been retracted, listed by study IDs; please see the full text of the review for further information.

Abou Zeid 2002; Fujii 1994; Fujii 1994b; Fujii 1995; Fujii 1995b; Fujii 1996; Fujii 1996b; Fujii 1996c; Fujii 1996d; Fujii 1996e; Fujii 1997; Fujii 1997b; Fujii 1997c; Fujii 1997d; Fujii 1997ev Fujii 1997f; Fujii 1997g; Fujii 1997h; Fujii 1998; Fujii 1998b; Fujii 1998c; Fujii 1998d; Fujii 1998e; Fujii 1998f; Fujii 1998g; Fujii 1998h; Fujii 1998i; Fujii 1998j; Fujii 1998k; Fujii 1998L; Fujii 1998m; Fujii 1998n; Fujii 1998o; Fujii 1998q; Fujii 1998r; Fujii 1998s; Fujii 1998t; Fujii 1998u; Fujii 1999; Fujii 1999b; Fujii 1999c; Fujii 1999d; Fujii 1999e; Fujii 1999f; Fujii 1999g; Fujii 1999h; Fujii 1999i; Fujii 1999j; Fujii 1999k; Fujii 1999L; Fujii 1999m; Fujii 2000; Fujii 2000b; Fujii 2000c; Fujii 2001; Fujii 2001d; Fujii 2001e; Fujii 2001f; Fujii 2001g; Fujii 2002; Fujii 2002b; Fujii 2002e; Fujii 2002f; Fujii 2003; Handa 2001; Piper 2001; Piper 2002.

December 2016

The future of this review is being considered. This is because it includes a large number of retracted studies

The editorial group responsible for this previously published document have withdrawn it from publication.

PICOs

Population
Intervention
Comparison
Outcome

The PICO model is widely used and taught in evidence-based health care as a strategy for formulating questions and search strategies and for characterizing clinical studies or meta-analyses. PICO stands for four different potential components of a clinical question: Patient, Population or Problem; Intervention; Comparison; Outcome.

See more on using PICO in the Cochrane Handbook.