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Dos Santos IC, Barbosa LN, da Silva GR, Otutumi LK, Zaniolo MM, Dos Santos MC, de Paula Ferreira LR, Gonçalves DD, de Almeida Martins L. Pet dogs as reservoir of oxacillin and vancomycin-resistant Staphylococcus spp. Res Vet Sci 2021; 143:28-32. [PMID: 34959042 DOI: 10.1016/j.rvsc.2021.12.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 12/07/2021] [Accepted: 12/16/2021] [Indexed: 11/25/2022]
Abstract
The aim of this study was to verify the bacterial resistance profile and detect the presence of mecA gene in Staphylococcus spp. isolated from the nasal microbiota of domiciled dogs. For this purpose 100 nasal swabs from 100 domiciled dogs were collected from the central area of the city of Umuarama (PR), along with a questionnaire answered by their owners. After the isolation all Staphylococcus spp. isolates were submitted to the diffusion disc test by the Kirby-Bauer method, and only oxacillin-resistant samples were submitted to the PCR technique to search for the mecA gene and the results were then submitted to statistical analysis to verify possible risk variables. The 100 Staphylococcus spp. and coagulase negative, among which 41 isolates were resistant to oxacillin, no samples were positive for the mecA gene presence, however, 12 resistant to vancomycin were found. It can be concluded that the domiciled dogs are carriers of Staphylococcus spp. multiresistant, being these a possible source of human contamination.
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Affiliation(s)
- Isabela Carvalho Dos Santos
- Bolsista PROSUP/CAPES - Universidade Paranaense (UNIPAR), Praça Mascarenhas de Moraes, 4282, Centro, 87502-210 Umuarama, PR, Brazil.
| | - Lidiane Nunes Barbosa
- Universidade Paranaense (UNIPAR), Praça Mascarenhas de Moraes, 4282, Centro, 87502-210 Umuarama, PR, Brazil
| | - Gustavo Ratti da Silva
- Universidade Paranaense (UNIPAR), Praça Mascarenhas de Moraes, 4282, Centro, 87502-210 Umuarama, PR, Brazil
| | - Luciana Kazue Otutumi
- Universidade Paranaense (UNIPAR), Praça Mascarenhas de Moraes, 4282, Centro, 87502-210 Umuarama, PR, Brazil.
| | - Melissa Marchi Zaniolo
- Universidade Paranaense (UNIPAR), Praça Mascarenhas de Moraes, 4282, Centro, 87502-210 Umuarama, PR, Brazil
| | - Mariana Carvalho Dos Santos
- Centro Universitário Cesumar (UNICESUMAR), Avenida Guedner, 1610, Jardim Aclimacao, 87050-900 Maringá, PR, Brazil
| | | | - Daniela Dib Gonçalves
- Universidade Paranaense (UNIPAR), Praça Mascarenhas de Moraes, 4282, Centro, 87502-210 Umuarama, PR, Brazil.
| | - Lisiane de Almeida Martins
- Faculdade de Ensino Superior Santa Bárbara (FAESB), Rua Onze de Agosto, 2900, Jardim Lucila, 18277-000 Tatuí, SP, Brazil
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Wu Q, Sabokroo N, Wang Y, Hashemian M, Karamollahi S, Kouhsari E. Systematic review and meta-analysis of the epidemiology of vancomycin-resistance Staphylococcus aureus isolates. Antimicrob Resist Infect Control 2021; 10:101. [PMID: 34193295 PMCID: PMC8247230 DOI: 10.1186/s13756-021-00967-y] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Accepted: 06/03/2021] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Vancomycin‑resistant Staphylococcus aureus (VRSA) is a serious public health challenging concern worldwide. OBJECTIVES Therefore, the objective of present study of 62 published studies was to evaluate the prevalence of VRSA based on different years, areas, isolate source, antimicrobial susceptibility testing, and the genetic determinants. METHODS We searched the relevant articles that focused on the prevalence rates of VRSA in PubMed, Scopus, Embase, and Web of Science from 2000 to 2019. Statistical analyses were conducted using STATA software (version 14.0). RESULTS The prevalence of VRSA was 2% before 2006, 5% in 2006-2014, and 7% in 2015-2020 that showed a 3.5-fold increase in the frequency of VRSA between before 2006 and 2020 years. The prevalence of VRSA was 5% in Asia, 1% in Europe, 4% in America, 3% in South America, and 16% in Africa. The frequencies of VRSA isolated from clinical, non-clinical, and mixed samples were 6%, 7%, and 14%, respectively. The prevalence of VRSA was 12% using disk diffusion agar method, 7% using MIC-base methods, and 4% using mixed-methods. The prevalence of vanA, vanB, and vanC1 positive were 71%, 26%, and 4% among VRSA strains. The most prevalent genotype was staphylococcal cassette chromosomemec (SCCmec) II, which accounted for 57% of VRSA. The most prevalent staphylococcal protein A (spa) types were t002, t030, and t037. CONCLUSION The prevalence of VRSA has been increasing in recent years particularly in Africa/Asia than Europe/America. The most prevalent of genetic determinants associated with VRSA were vanA and SCCmec II. This study clarifies that the rigorous monitoring of definite antibiotic policy, regular surveillance/control of nosocomial-associated infections and intensive surveillance of vancomycin-resistance are required for preventing emergence and further spreading of VRSA.
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Affiliation(s)
- Qianxing Wu
- The Medical Lab of Hainan Cancer Hospital, Hainan Province, Haikou, 570312, People's Republic of China
| | - Niloofar Sabokroo
- Department of Microbiology, School of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Yujie Wang
- School of International Pharmaceutical Business, China Pharmaceutical University, Jiangsu Province, Nanjing, 211198, People's Republic of China.
| | - Marzieh Hashemian
- Clinical Microbiology Research Center, Ilam University of Medical Sciences, Ilam, Iran
| | - Somayeh Karamollahi
- Clinical Microbiology Research Center, Ilam University of Medical Sciences, Ilam, Iran
| | - Ebrahim Kouhsari
- Laboratory Sciences Research Center, Golestan University of Medical Sciences, Gorgan, Iran.
- Department of Laboratory Sciences, Faculty of Paramedicine, Golestan University of Medical Sciences, Gorgan, Iran.
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Khoshbayan A, Shariati A, Ghaznavi-Rad E, van Belkum A, Darban-Sarokhalil D. Prevalence and molecular epidemiology of ceftaroline non-susceptible methicillin-resistant Staphylococcus aureus isolates, first clinical report from Iran. Acta Microbiol Immunol Hung 2020; 67:228-233. [PMID: 33258796 DOI: 10.1556/030.2020.01273] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 09/21/2020] [Indexed: 01/02/2023]
Abstract
BACKGROUND Methicillin-resistant Staphylococcus aureus (MRSA) is one of the major pathogens in Iran with a high prevalence and a high level of antibiotic resistance. Ceftaroline is a fifth generation cephalosporin binding and inhibiting penicillin binding protein (PBP2a). METHODS In the present study, 228 clinical MRSA isolates were collected from four cities of Iran and their susceptibility to ceftaroline was evaluated by E-test and the disk diffusion method. RESULTS Our results showed a high susceptibility rate (97.3%) to ceftaroline in MRSA strains from Iran. Six isolates were found to be ceftaroline non-susceptible (CPT-NS) with Minimum inhibitory concentration (MIC) ≥2 µg/mL. All CPT-NS isolates were isolated from blood and tracheal aspirate and belonged to SCCmec type III as well as agr type I and were all susceptible to vancomycin. Out of six isolates, three, two and one belonged to spa type t030, t4864, and t969, respectively. Vancomycin, quinupristin/dalfopristin, linezolid, chloramphenicol, and tigecycline were the most active agents against CPT-NS isolates. CONCLUSION Due to the broad-spectrum activity and low toxicity of ceftaroline as well as the increased rate of vancomycin resistance among MRSA strains in recent years, ceftaroline can be considered as a novel approach to treat MRSA-induced infections.
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Affiliation(s)
- Amin Khoshbayan
- 1Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Aref Shariati
- 1Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Ehsanollah Ghaznavi-Rad
- 2Department of Medical Laboratory Sciences, Arak School of Paramedicine, Arak University of Medical Sciences, Arak, Iran
| | - Alex van Belkum
- 3Open Innovation & Partnerships, Route de Port Michaud, 38390, La Balme Les Grottes, France
| | - Davood Darban-Sarokhalil
- 1Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
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Shariati A, Dadashi M, Moghadam MT, van Belkum A, Yaslianifard S, Darban-Sarokhalil D. Global prevalence and distribution of vancomycin resistant, vancomycin intermediate and heterogeneously vancomycin intermediate Staphylococcus aureus clinical isolates: a systematic review and meta-analysis. Sci Rep 2020; 10:12689. [PMID: 32728110 PMCID: PMC7391782 DOI: 10.1038/s41598-020-69058-z] [Citation(s) in RCA: 123] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Accepted: 06/15/2020] [Indexed: 12/22/2022] Open
Abstract
Vancomycin-resistant Staphylococcus aureus (VRSA), Vancomycin-intermediate S. aureus (VISA) and heterogeneous VISA (hVISA) are subject to vancomycin treatment failure. The aim of the present study was to determine their precise prevalence and investigate prevalence variability depending on different years and locations. Several international databases including Medline (PubMed), Embase and Web of Sciences were searched (data from 1997 to 2019) to identify studies that addressed the prevalence of VRSA, VISA and hVISA among human clinical isolates around the world. Subgroup analyses and meta-regression were conducted to indicate potential source of variation. Publication bias was assessed using Egger's test. Statistical analyses were conducted using STATA software (version 14.0). Data analysis showed that VRSA, VISA and hVISA isolates were reported in 23, 50 and 82 studies, with an overall prevalence of 1.5% among 5855 S. aureus isolates, 1.7% among 22,277 strains and 4.6% among 47,721 strains, respectively. The overall prevalence of VRSA, VISA, and hVISA before 2010 was 1.2%, 1.2%, and 4%, respectively, while their prevalence after this year has reached 2.4%, 4.3%, and 5.3%. The results of this study showed that the frequency of VRSA, VISA and hVISA after 2010 represent a 2.0, 3.6 and 1.3-fold increase over prior years. In a subgroup analysis of different strain origins, the highest frequency of VRSA (3.6%) and hVISA (5.2%) was encountered in the USA while VISA (2.1%) was more prevalent in Asia. Meta-regression analysis showed significant increasing of VISA prevalence in recent years (p value ≤ 0.05). Based on the results of case reports (which were not included in the calculations mentioned above), the numbers of VRSA, VISA and hVISA isolates were 12, 24 and 14, respectively, among different continents. Since the prevalence of VRSA, VISA and hVISA has been increasing in recent years (especially in the Asian and American continents), rigorous monitoring of vancomycin treatment, it's the therapeutic response and the definition of appropriate control guidelines depending on geographical regions is highly recommended and essential to prevent the further spread of vancomycin-resistant S. aureus.
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Affiliation(s)
- Aref Shariati
- Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Student Research Committee, Iran University of Medical Sciences, Tehran, Iran
| | - Masoud Dadashi
- Department of Microbiology, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran.
- Non Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran.
| | - Majid Taati Moghadam
- Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Student Research Committee, Iran University of Medical Sciences, Tehran, Iran
| | - Alex van Belkum
- Open Innovation and Partnerships, Route de Port Michaud, 38390, La Balme Les Grottes, France
| | - Somayeh Yaslianifard
- Department of Microbiology, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran
| | - Davood Darban-Sarokhalil
- Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
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Cong Y, Yang S, Rao X. Vancomycin resistant Staphylococcus aureus infections: A review of case updating and clinical features. J Adv Res 2019; 21:169-176. [PMID: 32071785 PMCID: PMC7015472 DOI: 10.1016/j.jare.2019.10.005] [Citation(s) in RCA: 217] [Impact Index Per Article: 43.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 10/02/2019] [Accepted: 10/09/2019] [Indexed: 01/08/2023] Open
Abstract
MRSA infection is a global threat to public health. Vancomycin is one of the first-line drugs for the treatment of MRSA infections. MRSA with complete resistance to vancomycin have emerged in recent years. The total number of VRSA isolates is updated in this paper. Resistance mechanisms, characteristics of VRSA infections, as well as clinical treatments are reviewed.
The infection caused by methicillin-resistant Staphylococcus aureus (MRSA) is a global threat to public health. Vancomycin remains one of the first-line drugs for the treatment of MRSA infections. However, S. aureus isolates with complete resistance to vancomycin have emerged in recent years. Vancomycin-resistant S. aureus (VRSA) is mediated by a vanA gene cluster, which is transferred from vancomycin-resistant enterococcus. Since the first VRSA isolate was recovered from Michigan, USA in 2002, 52 VRSA strains have been isolated worldwide. In this paper, we review the latest progresses in VRSA, highlighting its resistance mechanism, characteristics of VRSA infections, as well as clinical treatments.
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Affiliation(s)
- Yanguang Cong
- Department of Clinical Laboratory, Traditional Medicine Hospital Affiliated to Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Sijin Yang
- Department of Cardiovascular Disease, Traditional Medicine Hospital Affiliated to Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Xiancai Rao
- Department of Microbiology, College of Basic Medical Sciences, Army Medical University (Third Military Medical University), Chongqing 400038, China
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Ziasistani M, Shakibaie MR, Kalantar-Neyestanaki D. Genetic characterization of two vancomycin-resistant Staphylococcus aureus isolates in Kerman, Iran. Infect Drug Resist 2019. [PMID: 31308707 DOI: 10.2147/idr.s205596]] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Aim The aim of this study was the genetic characterization of two clinical vancomycin-resistant Staphylococcus aureus (VRSA) isolates. Materials and methods Resistance to vancomycin was determined by phenotypic method. PCR was used for detection of mecA, vanA, ermA, ermB, ermC, msrA/B, aph(2")-Ic, aph(3')-IIIa, pvl, Immune Evasion Cluster [sea, sep, chip, sak and scn] genes and biofilm operon icaABCD. On the other hand, multilocus sequence typing and agr typing methods were performed for the determination of clonal relationship and van operon was detected and sequenced. Results Vancomycin-resistant Staphylococcus aureus strain 1 (VRSA-1) was positive for vanA, ermA, ermC, aph(2")-Ic, aph(3')-IIIa, sea, sep, icaD genes, belonging to agr type I; SCCmec type III; spa type t030; and ST239. However, the genetic characterization of Vancomycin-resistant Staphylococcus aureus strain 2 (VRSA-2) revealed the presence of various types of resistance genes vanA, ermA, ermC, aph(2")-Ic, aph(3')-IIIa, sea, icaD, relating to agr type I; SCCmec type III; spa type t459; and ST239. The presence of transposon Tn1546 was determined by PCR sequencing.The Basic Local Alignment Search Tool analysis of van operon in the VRSA isolates showed 99.6% sequence homology to Tn1546 in vancomycin-resistant enterococci, indicating the vanA operon has an enterococcal origin. Conclusion In conclusion, the ST239 is one of the most common clones of MRSA isolates which involved the hospital-associated infections, therefore, the emergence of VRSA isolates with ST239 increased the spread of resistance to vancomycin in the hospital settings.
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Affiliation(s)
- Mahsa Ziasistani
- Student Research Committee, Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran.,Pathology and Stem Cell Research Center٫ Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Mohammad Reza Shakibaie
- Department of Microbiology and Virology, Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran.,Research Center for Infectious Diseases and Tropical Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Davood Kalantar-Neyestanaki
- Department of Microbiology and Virology, Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran
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7
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Ziasistani M, Shakibaie MR, Kalantar-Neyestanaki D. Genetic characterization of two vancomycin-resistant Staphylococcus aureus isolates in Kerman, Iran. Infect Drug Resist 2019; 12:1869-1875. [PMID: 31308707 PMCID: PMC6619737 DOI: 10.2147/idr.s205596] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2019] [Accepted: 05/29/2019] [Indexed: 02/05/2023] Open
Abstract
Aim The aim of this study was the genetic characterization of two clinical vancomycin-resistant Staphylococcus aureus (VRSA) isolates. Materials and methods Resistance to vancomycin was determined by phenotypic method. PCR was used for detection of mecA, vanA, ermA, ermB, ermC, msrA/B, aph(2”)-Ic, aph(3ʹ)-IIIa, pvl, Immune Evasion Cluster [sea, sep, chip, sak and scn] genes and biofilm operon icaABCD. On the other hand, multilocus sequence typing and agr typing methods were performed for the determination of clonal relationship and van operon was detected and sequenced. Results Vancomycin-resistant Staphylococcus aureus strain 1 (VRSA-1) was positive for vanA, ermA, ermC, aph(2”)-Ic, aph(3ʹ)-IIIa, sea, sep, icaD genes, belonging to agr type I; SCCmec type III; spa type t030; and ST239. However, the genetic characterization of Vancomycin-resistant Staphylococcus aureus strain 2 (VRSA-2) revealed the presence of various types of resistance genes vanA, ermA, ermC, aph(2”)-Ic, aph(3ʹ)-IIIa, sea, icaD, relating to agr type I; SCCmec type III; spa type t459; and ST239. The presence of transposon Tn1546 was determined by PCR sequencing.The Basic Local Alignment Search Tool analysis of van operon in the VRSA isolates showed 99.6% sequence homology to Tn1546 in vancomycin-resistant enterococci, indicating the vanA operon has an enterococcal origin. Conclusion In conclusion, the ST239 is one of the most common clones of MRSA isolates which involved the hospital-associated infections, therefore, the emergence of VRSA isolates with ST239 increased the spread of resistance to vancomycin in the hospital settings.
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Affiliation(s)
- Mahsa Ziasistani
- Student Research Committee, Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran.,Pathology and Stem Cell Research Center٫ Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Mohammad Reza Shakibaie
- Department of Microbiology and Virology, Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran.,Research Center for Infectious Diseases and Tropical Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Davood Kalantar-Neyestanaki
- Department of Microbiology and Virology, Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran
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