Scimago Journal & Country Rank


Country United States  - SIR icon SIR Ranking of United States
H Index
Subject Area and CategoryMedicine
Cardiology and Cardiovascular Medicine
Medicine (miscellaneous)
Radiology, Nuclear Medicine and Imaging

Advanced and Specialized Nursing

Social Sciences
Safety Research
PublisherSAGE Publications
Publication typeJournals
ISSN1477111X, 02676591
Scope Perfusion is an ISI-ranked, peer reviewed scholarly journal, which provides current information on all aspects of perfusion, oxygenation and biocompatibility and their use in modern cardiac surgery. The journal is at the forefront of international research and development and presents an appropriately multidisciplinary approach to perfusion science.


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The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

Advanced and Specialized Nursing1999Q1
Advanced and Specialized Nursing2000Q1
Advanced and Specialized Nursing2001Q1
Advanced and Specialized Nursing2002Q1
Advanced and Specialized Nursing2003Q1
Advanced and Specialized Nursing2004Q1
Advanced and Specialized Nursing2005Q1
Advanced and Specialized Nursing2006Q1
Advanced and Specialized Nursing2007Q1
Advanced and Specialized Nursing2008Q1
Advanced and Specialized Nursing2009Q1
Advanced and Specialized Nursing2010Q1
Advanced and Specialized Nursing2011Q1
Advanced and Specialized Nursing2012Q1
Advanced and Specialized Nursing2013Q1
Advanced and Specialized Nursing2014Q1
Advanced and Specialized Nursing2015Q1
Advanced and Specialized Nursing2016Q1
Advanced and Specialized Nursing2017Q1
Advanced and Specialized Nursing2018Q1
Cardiology and Cardiovascular Medicine1999Q2
Cardiology and Cardiovascular Medicine2000Q2
Cardiology and Cardiovascular Medicine2001Q2
Cardiology and Cardiovascular Medicine2002Q2
Cardiology and Cardiovascular Medicine2003Q2
Cardiology and Cardiovascular Medicine2004Q2
Cardiology and Cardiovascular Medicine2005Q3
Cardiology and Cardiovascular Medicine2006Q2
Cardiology and Cardiovascular Medicine2007Q2
Cardiology and Cardiovascular Medicine2008Q2
Cardiology and Cardiovascular Medicine2009Q3
Cardiology and Cardiovascular Medicine2010Q2
Cardiology and Cardiovascular Medicine2011Q2
Cardiology and Cardiovascular Medicine2012Q2
Cardiology and Cardiovascular Medicine2013Q2
Cardiology and Cardiovascular Medicine2014Q3
Cardiology and Cardiovascular Medicine2015Q2
Cardiology and Cardiovascular Medicine2016Q3
Cardiology and Cardiovascular Medicine2017Q2
Cardiology and Cardiovascular Medicine2018Q3
Medicine (miscellaneous)1999Q2
Medicine (miscellaneous)2000Q1
Medicine (miscellaneous)2001Q1
Medicine (miscellaneous)2002Q2
Medicine (miscellaneous)2003Q2
Medicine (miscellaneous)2004Q2
Medicine (miscellaneous)2005Q2
Medicine (miscellaneous)2006Q2
Medicine (miscellaneous)2007Q2
Medicine (miscellaneous)2008Q2
Medicine (miscellaneous)2009Q2
Medicine (miscellaneous)2010Q2
Medicine (miscellaneous)2011Q2
Medicine (miscellaneous)2012Q2
Medicine (miscellaneous)2013Q2
Medicine (miscellaneous)2014Q2
Medicine (miscellaneous)2015Q2
Medicine (miscellaneous)2016Q2
Medicine (miscellaneous)2017Q2
Medicine (miscellaneous)2018Q2
Radiology, Nuclear Medicine and Imaging1999Q2
Radiology, Nuclear Medicine and Imaging2000Q2
Radiology, Nuclear Medicine and Imaging2001Q2
Radiology, Nuclear Medicine and Imaging2002Q2
Radiology, Nuclear Medicine and Imaging2003Q2
Radiology, Nuclear Medicine and Imaging2004Q2
Radiology, Nuclear Medicine and Imaging2005Q2
Radiology, Nuclear Medicine and Imaging2006Q2
Radiology, Nuclear Medicine and Imaging2007Q2
Radiology, Nuclear Medicine and Imaging2008Q2
Radiology, Nuclear Medicine and Imaging2009Q3
Radiology, Nuclear Medicine and Imaging2010Q3
Radiology, Nuclear Medicine and Imaging2011Q2
Radiology, Nuclear Medicine and Imaging2012Q2
Radiology, Nuclear Medicine and Imaging2013Q2
Radiology, Nuclear Medicine and Imaging2014Q3
Radiology, Nuclear Medicine and Imaging2015Q2
Radiology, Nuclear Medicine and Imaging2016Q3
Radiology, Nuclear Medicine and Imaging2017Q2
Radiology, Nuclear Medicine and Imaging2018Q3
Safety Research1999Q1
Safety Research2000Q1
Safety Research2001Q1
Safety Research2002Q1
Safety Research2003Q1
Safety Research2004Q1
Safety Research2005Q1
Safety Research2006Q1
Safety Research2007Q1
Safety Research2008Q1
Safety Research2009Q2
Safety Research2010Q1
Safety Research2011Q1
Safety Research2012Q1
Safety Research2013Q1
Safety Research2014Q2
Safety Research2015Q1
Safety Research2016Q2
Safety Research2017Q2
Safety Research2018Q2

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per documentYearValue
Cites / Doc. (4 years)19990.701
Cites / Doc. (4 years)20000.642
Cites / Doc. (4 years)20010.885
Cites / Doc. (4 years)20020.971
Cites / Doc. (4 years)20031.122
Cites / Doc. (4 years)20040.919
Cites / Doc. (4 years)20051.082
Cites / Doc. (4 years)20061.131
Cites / Doc. (4 years)20071.199
Cites / Doc. (4 years)20081.096
Cites / Doc. (4 years)20090.913
Cites / Doc. (4 years)20101.177
Cites / Doc. (4 years)20111.217
Cites / Doc. (4 years)20121.522
Cites / Doc. (4 years)20131.366
Cites / Doc. (4 years)20141.244
Cites / Doc. (4 years)20151.744
Cites / Doc. (4 years)20161.336
Cites / Doc. (4 years)20171.386
Cites / Doc. (4 years)20181.161
Cites / Doc. (3 years)19990.701
Cites / Doc. (3 years)20000.597
Cites / Doc. (3 years)20010.926
Cites / Doc. (3 years)20021.073
Cites / Doc. (3 years)20031.110
Cites / Doc. (3 years)20040.987
Cites / Doc. (3 years)20050.986
Cites / Doc. (3 years)20061.011
Cites / Doc. (3 years)20071.240
Cites / Doc. (3 years)20081.030
Cites / Doc. (3 years)20090.703
Cites / Doc. (3 years)20101.108
Cites / Doc. (3 years)20111.193
Cites / Doc. (3 years)20121.467
Cites / Doc. (3 years)20131.322
Cites / Doc. (3 years)20141.301
Cites / Doc. (3 years)20151.797
Cites / Doc. (3 years)20161.298
Cites / Doc. (3 years)20171.346
Cites / Doc. (3 years)20181.153
Cites / Doc. (2 years)19990.648
Cites / Doc. (2 years)20000.585
Cites / Doc. (2 years)20010.962
Cites / Doc. (2 years)20020.870
Cites / Doc. (2 years)20031.122
Cites / Doc. (2 years)20040.862
Cites / Doc. (2 years)20050.874
Cites / Doc. (2 years)20061.164
Cites / Doc. (2 years)20071.208
Cites / Doc. (2 years)20080.894
Cites / Doc. (2 years)20090.580
Cites / Doc. (2 years)20101.033
Cites / Doc. (2 years)20111.126
Cites / Doc. (2 years)20121.426
Cites / Doc. (2 years)20131.321
Cites / Doc. (2 years)20141.342
Cites / Doc. (2 years)20151.883
Cites / Doc. (2 years)20161.271
Cites / Doc. (2 years)20171.296
Cites / Doc. (2 years)20180.980
Total Cites 

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

Self Cites199934
Self Cites200022
Self Cites200161
Self Cites200259
Self Cites200353
Self Cites200446
Self Cites200523
Self Cites200630
Self Cites200727
Self Cites200818
Self Cites200910
Self Cites201020
Self Cites201133
Self Cites201232
Self Cites201345
Self Cites201426
Self Cites201543
Self Cites201628
Self Cites201739
Self Cites201844
Total Cites1999131
Total Cites2000108
Total Cites2001187
Total Cites2002220
Total Cites2003253
Total Cites2004223
Total Cites2005214
Total Cites2006188
Total Cites2007212
Total Cites2008169
Total Cites2009109
Total Cites2010164
Total Cites2011173
Total Cites2012270
Total Cites2013283
Total Cites2014307
Total Cites2015417
Total Cites2016335
Total Cites2017381
Total Cites2018354
External Cites per Doc 
Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

External Cites per document19990.519
External Cites per document20000.475
External Cites per document20010.624
External Cites per document20020.785
External Cites per document20030.877
External Cites per document20040.783
External Cites per document20050.880
External Cites per document20060.849
External Cites per document20071.082
External Cites per document20080.921
External Cites per document20090.639
External Cites per document20100.973
External Cites per document20110.966
External Cites per document20121.293
External Cites per document20131.112
External Cites per document20141.191
External Cites per document20151.612
External Cites per document20161.190
External Cites per document20171.208
External Cites per document20181.010
Cites per document19990.701
Cites per document20000.597
Cites per document20010.926
Cites per document20021.073
Cites per document20031.110
Cites per document20040.987
Cites per document20050.986
Cites per document20061.011
Cites per document20071.240
Cites per document20081.030
Cites per document20090.703
Cites per document20101.108
Cites per document20111.193
Cites per document20121.467
Cites per document20131.322
Cites per document20141.301
Cites per document20151.797
Cites per document20161.298
Cites per document20171.346
Cites per document20181.153
% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

YearInternational Collaboration
Citable documents 
Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

Non-citable documents199922
Non-citable documents200021
Non-citable documents200121
Non-citable documents200225
Non-citable documents200328
Non-citable documents200429
Non-citable documents200526
Non-citable documents200624
Non-citable documents200725
Non-citable documents200825
Non-citable documents200921
Non-citable documents201026
Non-citable documents201135
Non-citable documents201246
Non-citable documents201355
Non-citable documents201463
Non-citable documents201564
Non-citable documents201673
Non-citable documents201765
Non-citable documents201863
Citable documents1999187
Citable documents2000181
Citable documents2001202
Citable documents2002205
Citable documents2003228
Citable documents2004226
Citable documents2005217
Citable documents2006186
Citable documents2007171
Citable documents2008164
Citable documents2009155
Citable documents2010148
Citable documents2011145
Citable documents2012184
Citable documents2013214
Citable documents2014236
Citable documents2015232
Citable documents2016258
Citable documents2017283
Citable documents2018307
Cited documents 
Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

Uncited documents1999130
Uncited documents2000145
Uncited documents2001136
Uncited documents2002129
Uncited documents2003123
Uncited documents2004141
Uncited documents2005140
Uncited documents2006112
Uncited documents200787
Uncited documents2008104
Uncited documents2009112
Uncited documents201092
Uncited documents201198
Uncited documents2012111
Uncited documents2013136
Uncited documents2014155
Uncited documents2015137
Uncited documents2016169
Uncited documents2017188
Uncited documents2018215
Cited documents199979
Cited documents200057
Cited documents200187
Cited documents2002101
Cited documents2003133
Cited documents2004114
Cited documents2005103
Cited documents200698
Cited documents2007109
Cited documents200885
Cited documents200964
Cited documents201082
Cited documents201182
Cited documents2012119
Cited documents2013133
Cited documents2014144
Cited documents2015159
Cited documents2016162
Cited documents2017160
Cited documents2018155
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