Emami, Amir.

Javanmardi, Fatemeh.

Pirbonyeh, Neda.

Rajaee, Mahrokh.

kashan university of medical sciences

© 2019 Archives of Trauma Research | Published by Wolters Kluwer - Medknow130
Letter to Editor
Dear Editor,
Recently, we read with great interest the meta-analysis 
which was reported by Tarashi et al.[1] and evaluated the 
studies included in their article. We detected some important 
viewpoints about the validity of extracted data. In reported 
data about Japoni’s et al. study,[2] a serious blunder was seen 
in the frequency of drug resistance in Fars province-Iran. 
According to the tarashi et al report, a bias was seen which 
produce wrong results about the prevalence of imipenem 
resistance in hospitalized burn patients in Iran,[1] Either similar 
error was seen about the data of Akhavan-Tafti et al. study[3] 
in meropenem resistance.
Despite the authors declared that their search strategy limited 
to March 2006–May 2015, but 13 articles were ignored during 
this time, and either few references were related to later 
years (2016 and 2017). Missing this impressive number of 
articles reduce the search quality and so the results [Table 1].
Following the mentioned lack of evidence, the authors declared 
that the included articles in their meta-analysis were limited 
to isolates collected from burn patients, but Jazani’s et al. 
study,[4] was carried out on Pseudomonas aeruginosa isolates 
were collected from other clinical specimens.
Finally, the authors should perform sensitivity analysis 
excluding studies with a high risk of bias to explore the 
influence of biased studies. Moreover, the authors did not 
assess the quality of studies. Therefore, it is concluded that, 
the current meta-analysis producing incorrect results due to 
inappropriate search and in the following mistake reports.
Financial support and sponsorship
Nil.
Conflicts of interest
There are no conflicts of interest.
Amir Emami, Fatemeh Javanmardi, Mahrokh Rajaee, Neda Pirbonyeh
Department of Microbiology, Burn and Wound Healing Research Center, Shiraz 
University of Medical Sciences, Fars, Shiraz, Iran
ORCID:
Amir Emami: https://orcid.org/0000‑0002‑4510‑1820
Fatemeh Javanmardi: https://orcid.org/0000‑0001‑8841‑0861
Mahrokh Rajaee: https://orcid.org/0000‑0003‑3023‑9285
Neda Pirbonyeh: https://orcid.org/0000‑0001‑5700‑3913
Address for correspondence: Dr. Amir Emami, 
Department of Microbiology, Burn and Wound Healing Research Center, 
Shiraz University of Medical Sciences, Fars, Shiraz, Iran. 
E‑mail: emami.microbia@gmail.com
references
1. Tarashi S, Heidary M, Dabiri H, Nasiri MJ. Prevalence of drug-resistant 
Pseudomonas aeruginosa in Iranian burned patients: A meta-analysis. 
Arch Trauma Res 2017;6:1.
2. Japoni A, Alborzi A, Kalani M, Nasiri J, Hayati M, Farshad S, et al. 
Lack of Evidence for Conducting Meta‑analysis of Prevalence 
of Drug‑resistant Pseudomonas aeruginosa in Iranian Burned 
Patients
Table 1: List of Ignored Articles
Number References
1 Salimi (2010): Molecular epidemiology and drug 
susceptibility of P. aeruginosa strains isolated from burn 
patients
2 Beheshti (2011): Bacteriology of burns and antibiogram in 
an Iranian burn care center
3 Ghazvini (2008): Bacteriology and antibiotic sensitivity 
patterns of burn wound infections in Emam Reza Burn Care 
Center, Mashhad
4 Mashouf (2008): Diagnostic multiplex polymerase chain 
reaction assay for the identification of P. aeruginosa from 
the skin biopsy specimens in burn wound infections and 
detection of antibiotic susceptibility
5 Fazeli (2014): Molecular epidemiology and mechanisms of 
antimicrobial resistance in P. aeruginosa isolates causing 
burn wound infection in Iran
6 Shafaei (2013): Determination of prevalent bacteria in burn 
infections compared to patients environmental bacteria in 
Burn Ward of Shahid Zarreh Hospital in Sarie, Iran
7 Fazeli (2010): Determination of drug resistance patterns and 
detection of bla-VIM gene in P. aeruginosa strains Isolated 
from burned patients in the Emam Mosa Kazem hospital
8 Ghanbarzadeh (2015): Biofilm formation and virulence 
factors among P. aeruginosa isolated from burn patients
9 Emami (2015): Detection of blaPER-1 and blaOxa10 
among imipenem resistant isolates of P. aeruginosa isolated 
from burn patients hospitalized in Shiraz Burn Hospital
10 Owlia (2006): Drug resistance of isolated strains of 
P. aeruginosa from burn wound infections to selected 
antibiotics and disinfectants
11 Mamani (2009): Frequency of bacterial burn wounds 
infection and antimicrobial resistance in burn center of 
Hamedan
12 Faghri (2007): Study of bacterial infections among Burn 
Patients Hospitalized in Isfahan Burn Center 1383–1384
13 Farajzadeh Sheikh (2014): Detection of Metallo-β 
Lactamases Among Carbapenem-Resistant P. aeruginosa
P. aeruginosa: Pseudomonas aeruginosa
Letter to Editor
Archives of Trauma Research ¦ Volume 7 ¦ Issue 3 ¦ July-September 2018 131
Susceptibility patterns and cross-resistance of antibiotics against 
Pseudomonas aeruginosa isolated from burn patients in the South of 
Iran. Burns 2006;32:343-7.
3. Akhavan-Tafti F, Eslami G, Zandi H, Mousavi SM, Zarei M. Prevalence 
of blaVIM, blaIPM and blaNDM metallo-beta-lactamases enzymes 
in Pseudomonas aeruginosa isolated from burn wounds in Shahid 
Sadoughi burn hospital, Yazd, Iran. J Isfahan Med Sch 2014;31:1955-64.
4. Jazani NH, Babazadeh H, Sabahi Z, Zartoshti M. The evaluation of 
antibiotic resistance to cefepime in hospital isolates of Pseudomonas 
aeruginosa. J Med Biomed Sci 2010;9:17
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DOI:  
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How to cite this article: Emami A, Javanmardi F, Rajaee M, Pirbonyeh N. 
Lack of evidence for conducting meta-analysis of prevalence of drug-resistant 
Pseudomonas aeruginosa in iranian burned patients. Arch Trauma Res 
2018;7:130-1.
© 2018 Archives of Trauma Research | Published by Wolters Kluwer - Medknow


Lack of evidence for conducting meta-analysis of prevalence of drug-resistant Pseudomonas aeruginosa in iranian burned patients

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Lack of evidence for conducting meta-analysis of prevalence of drug-resistant Pseudomonas aeruginosa in iranian burned patients

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