Systematic review finds overlapping reviews were not mentioned in every other overview

Ref ID 610
First Author D. Pieper
Journal JOURNAL OF CLINICAL EPIDEMIOLOGY
Year Of Publishing 2014
URL https://www.jclinepi.com/article/S0895-4356(13)00481-2/fulltext
Keywords General medical
Overlapping reviews/redundancy
Overviews/Umbrella Reviews
Problem(s) Redundant / overlapping / duplicated review question; leads to research waste
Lack of guidance or consistency in systematic overview / umbrella / review of systematic reviews
Number of systematic reviews included 60
Summary of Findings Only 32 of 60 overviews mentioned overlaps (other relevant published systematic reviews). Six overviews simply mentioned the problem of overlaps without further investigation.
Did the article find that the problem(s) led to qualitative changes in interpretation of the results? Not Applicable
Are the methods of the article described in enough detail to replicate the study? Yes