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Leite PM, Chaves CF, Morgado B, Zenha H, Costa H. Surgical Management of Severe Mandibular Actinomycosis: Segmental Mandibulectomy and Fibula Free Flap for Optimal Outcomes. Cureus 2024; 16:e52212. [PMID: 38347964 PMCID: PMC10860903 DOI: 10.7759/cureus.52212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/13/2024] [Indexed: 02/15/2024] Open
Abstract
Actinomycosis is a chronic, suppurative, granulomatous bacterial infection primarily associated with Actinomyces israelii. The condition can be categorized into three distinct clinical types based on the affected anatomical region: cervicofacial, pulmonary, or abdominopelvic actinomycosis. The standard treatment for actinomycosis involves antibiotic therapy, with an empiric penicillin regimen as the first-line approach. Surgical interventions comprise curettage of the affected bone, resection of necrotic tissues, excision of existing sinus tracts, and drainage of abscesses. These procedures are considered a last resort for cases of actinomycosis unresponsive to antibiotic therapy. In this context, we present a case of severely unresponsive actinomycosis that necessitated aggressive surgical resection of the infected mandibular bone, followed by immediate reconstruction using a fibula-free flap. The outcome yielded both favorable functional and aesthetic results.
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Affiliation(s)
- Paula Maria Leite
- Plastic and Reconstructive Surgery, Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia, PRT
| | - Carolina F Chaves
- Plastic and Reconstructive Surgery, Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia, PRT
- Microsurgery and Experimental Surgery Unit, University of Aveiro, Aveiro, PRT
| | - Bruno Morgado
- Plastic and Reconstructive Surgery, Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia, PRT
- Faculty of Medicine and Biomedical Sciences, University of Algarve, Faro, PRT
- Microsurgery and Experimental Surgery Unit, University of Aveiro, Aveiro, PRT
| | - Horácio Zenha
- Plastic and Reconstructive Surgery, Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia, PRT
- Microsurgery and Experimental Surgery Unit, University of Aveiro, Aveiro, PRT
| | - Horácio Costa
- Plastic and Reconstructive Surgery, Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia, PRT
- Microsurgery and Experimental Surgery Unit, University of Aveiro, Aveiro, PRT
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Kövér Z, Bán Á, Gajdács M, Polgár B, Urbán E. Role of Actinomyces spp. and related organisms in the development of medication-related osteonecrosis of the jaw (MRONJ): Clinical evidence based on a case series. Eur J Microbiol Immunol (Bp) 2023; 13:125-134. [PMID: 38038751 PMCID: PMC10755666 DOI: 10.1556/1886.2023.00041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 11/23/2023] [Indexed: 12/02/2023] Open
Abstract
Medication-related osteonecrosis of the jaw (MRONJ) is an increasingly common consequence of antiresorptive treatment, which often leads to the development of necrotic exposed bone surfaces with inflammatory processes affecting the jawbone. Although the development of MRONJ is often associated with the inflammatory response or infections caused by the colonizing members of the oral microbiota, the exact pathogenesis of MRONJ is still not fully understood. In the present paper, we aimed to provide additional, microbiological culture-supported evidence, supporting the "infection hypothesis" that Actinomyces spp. and related organisms may play an important pathogenic role in the development of MRONJ and the resulting bone necrosis. In our case series, all patients presented with similar underlying conditions and anamnestic data, and have received antiresorptive medications (bisphosphonates or a RANK ligand (RANKL) inhibitor) to prevent the occurrence or progression of bone metastases, secondary to prostate cancer. Nevertheless, a few years into antiresorptive drug therapy, varying stages of MRONJ was identified in the mentioned patients. In all three cases, quantitative microbiological culture of the necrotic bone samples yielded a complex microbiota, dominated by Actinomyces and Schaalia spp. with high colony counts. Additionally, our followed-up case series document the treatment of these patients with a combination of surgical intervention and long-term antibiotic therapy, where favourable clinical responses were seen is all cases. If the "infection hypothesis" is valid, it may have significant consequences in the preventative and therapeutic strategies associated with this disease.
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Affiliation(s)
- Zsanett Kövér
- Department of Dentistry, Oral and Maxillofacial Surgery, Medical School, University of Pécs, Tüzér u. 1., 7623 Pécs, Hungary
| | - Ágnes Bán
- Department of Dentistry, Oral and Maxillofacial Surgery, Medical School, University of Pécs, Tüzér u. 1., 7623 Pécs, Hungary
| | - Márió Gajdács
- Department of Oral Biology and Experimental Dental Research, Faculty of Dentistry, University of Szeged, Tisza Lajos krt. 64-66., 6725, Szeged, Hungary
| | - Beáta Polgár
- Department of Medical Microbiology and Immunology, Clinical Center, University of Pécs, Szigeti út 12., 7624, Pécs, Hungary
| | - Edit Urbán
- Department of Medical Microbiology and Immunology, Clinical Center, University of Pécs, Szigeti út 12., 7624, Pécs, Hungary
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Murali TV, Poorna TA, Jayalakshmy PL, Vineetha M. The Great Imitator: Cervicofacial Actinomycosis Masquerading as Cancer Recurrence. Indian J Otolaryngol Head Neck Surg 2023; 75:3960-3963. [PMID: 37974691 PMCID: PMC10645694 DOI: 10.1007/s12070-023-03993-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 06/16/2023] [Indexed: 11/19/2023] Open
Abstract
Cervicofacial actinomycosis being one of the unusual infections is of high relevance to a head and neck onco-surgeon. As the diagnosis may be made difficult by its nature to mimic malignancy and egregiously low culture sensitivity, the differential diagnosis for a lesion appearing to be malignant after irradiation does not usually include actinomycotic infection. Treatment usually requires a long-term antibiotic course after confirmation with histopathology, albeit surgical debridement is required in selective cases. Here we report two cases that were clinico-radiologically diagnosed as osteoradionecrosis and histopathological analysis done to rule out cancer recurrence. Unanticipated, they turned out to be cervicofacial actinomycosis, subsequently treated with long-term antibiotics following which the infection subsided.
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Affiliation(s)
- T. V. Murali
- Department of Surgical Oncology, Government Medical College, Kottayam, Kerala India
| | - T. Anish Poorna
- Department of Oral and Maxillofacial Surgery, Government Medical College, Kottayam, Kerala India
| | - P. L. Jayalakshmy
- Department of Pathology, Government Medical College, Kottayam, Kerala India
| | - Mary Vineetha
- Department of Dermatology, Government Medical College, Kottayam, Kerala India
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Wu S, Cheng L, Pennhag AAL, Seifert M, Guðnadóttir U, Engstrand L, Mints M, Andersson S, Du J. The salivary microbiota is altered in cervical dysplasia patients and influenced by conization. IMETA 2023; 2:e108. [PMID: 38867925 PMCID: PMC10989756 DOI: 10.1002/imt2.108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 03/30/2023] [Accepted: 04/16/2023] [Indexed: 06/14/2024]
Abstract
This study supports the correlation between the salivary microbiota and cervical dysplasia and suggests that smoking influences the salivary microbiota.
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Affiliation(s)
- Shengru Wu
- Department of Microbiology, Tumor and Cell Biology, Centre for Translational Microbiome ResearchKarolinska InstituteStockholmSweden
- College of Animal Science and TechnologyNorthwest A&F UniversityYanglingChina
| | - Liqin Cheng
- Department of Microbiology, Tumor and Cell Biology, Centre for Translational Microbiome ResearchKarolinska InstituteStockholmSweden
| | - Alexandra A. L. Pennhag
- Department of Microbiology, Tumor and Cell Biology, Centre for Translational Microbiome ResearchKarolinska InstituteStockholmSweden
| | - Maike Seifert
- Department of Microbiology, Tumor and Cell Biology, Centre for Translational Microbiome ResearchKarolinska InstituteStockholmSweden
| | - Unnur Guðnadóttir
- Department of Microbiology, Tumor and Cell Biology, Centre for Translational Microbiome ResearchKarolinska InstituteStockholmSweden
| | - Lars Engstrand
- Department of Microbiology, Tumor and Cell Biology, Centre for Translational Microbiome ResearchKarolinska InstituteStockholmSweden
- Science for Life LaboratoryKarolinska InstituteStockholmSweden
| | - Miriam Mints
- Department of Women's and Children's HealthKarolinska InstituteStockholmSweden
| | - Sonia Andersson
- Department of Women's and Children's HealthKarolinska InstituteStockholmSweden
| | - Juan Du
- Department of Microbiology, Tumor and Cell Biology, Centre for Translational Microbiome ResearchKarolinska InstituteStockholmSweden
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Kövér Z, Johansen Nordskag V, Bán Á, Gajdács M, Urbán E. The role of Actinomyces spp. and related organisms in cervicofacial infections: Pathomechanism, diagnosis and therapeutic aspects. Anaerobe 2023; 82:102767. [PMID: 37482285 DOI: 10.1016/j.anaerobe.2023.102767] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 06/26/2023] [Accepted: 07/20/2023] [Indexed: 07/25/2023]
Abstract
Members of the Actinomyces genus and Actinomyces-like organisms (ALOs; namely Actinotignum, Arcanobacterium, Schaalia and Varibaculum) are Gram-positive, non-spore-forming rods that are commensal members of the human oral cavity, gastrointestinal tract, female genital tract and skin microbiota. Cervicofacial actinomycosis or "lumpy jaw syndrome" - the chronic, suppurative granulomatous disease caused by Actinomyces spp. And ALOs - is characterized by an initially slow and unspecific disease-presentation, which often mimics other pathologies, followed by the formation of painful abscesses and severe tissue destruction. Actinomycosis has been described as a rare disease, however, reliable epidemiological data are lacking. In addition, there is increasing awareness regarding the role of Actinomyces spp. in the development of osteoradionecrosis and medication-related osteonecrosis of the jaw. The aim of this narrative review is to succinctly summarize the current advances regarding the microbiological, clinical, diagnostic and therapeutic aspects of cervicofacial actinomycosis, in addition to the roles of Actinomyces species and ALOs as members of the oral microbiota and in dental biofilm, in other dental infections (caries, root canal infection, periapical infection, periodontitis) and osteonecrosis of the jaw, in the context of recent taxonomic changes affecting the genus. Our paper aims to be a blueprint for dentists, other physicians, microbiologists and researchers regarding the multifaceted field of cervicofacial actinomycosis.
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Affiliation(s)
- Zsanett Kövér
- Department of Dentistry, Oral and Maxillofacial Surgery, Medical School, University of Pécs, Tüzér U. 1., 7623, Pécs, Hungary.
| | - Vidar Johansen Nordskag
- Department of Dentistry, Oral and Maxillofacial Surgery, Medical School, University of Pécs, Tüzér U. 1., 7623, Pécs, Hungary.
| | - Ágnes Bán
- Department of Dentistry, Oral and Maxillofacial Surgery, Medical School, University of Pécs, Tüzér U. 1., 7623, Pécs, Hungary.
| | - Márió Gajdács
- Department of Oral Biology and Experimental Dental Research, Faculty of Dentistry, University of Szeged, Tisza Lajos krt. 64-66., 6725, Szeged, Hungary.
| | - Edit Urbán
- Department of Medical Microbiology and Immunology, Clinical Center, University of Pécs, Szigeti út 12., 7624, Pécs, Hungary.
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Meena DS, Kumar D, Sharma M, Malik M, Ravindra A, Santhanam N, Bohra GK, Garg MK. The epidemiology, clinical presentation and treatment outcomes in CNS actinomycosis: a systematic review of reported cases. Orphanet J Rare Dis 2023; 18:133. [PMID: 37269006 DOI: 10.1186/s13023-023-02744-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Accepted: 05/18/2023] [Indexed: 06/04/2023] Open
Abstract
BACKGROUND CNS actinomycosis is a rare chronic suppurative infection with non-specific clinical features. Diagnosis is difficult due to its similarity to malignancy, nocardiosis and other granulomatous diseases. This systematic review aimed to evaluate the epidemiology, clinical characteristics, diagnostic modalities and treatment outcomes in CNS actinomycosis. METHODS The major electronic databases (PubMed, Google Scholar, and Scopus) were searched for the literature review by using distinct keywords: "CNS" or "intracranial" or "brain abscess" or "meningitis" OR "spinal" OR "epidural abscess" and "actinomycosis." All cases with CNS actinomycosis reported between January 1988 to March 2022 were included. RESULTS A total of 118 cases of CNS disease were included in the final analysis. The mean age of patients was 44 years, and a significant proportion was male (57%). Actinomycosis israelii was the most prevalent species (41.5%), followed by Actinomyces meyeri (22.6%). Disseminated disease was found in 19.5% of cases. Most commonly involved extra-CNS organs are lung (10.2%) and abdomen (5.1%). Brain abscess (55%) followed by leptomeningeal enhancement (22%) were the most common neuroimaging findings. Culture positivity was found in nearly half of the cases (53.4%). The overall case-fatality rate was 11%. Neurological sequelae were present in 22% of the patients. On multivariate analysis, patients who underwent surgery with antimicrobials had better survival (adjusted OR 0.14, 95% CI 0.04-0.28, p value 0.039) compared to those treated with antimicrobials alone. CONCLUSION CNS actinomycosis carries significant morbidity and mortality despite its indolent nature. Early aggressive surgery, along with prolonged antimicrobial treatment is vital to improve outcomes.
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Affiliation(s)
- Durga Shankar Meena
- Department of Internal Medicine (Infectious Diseases), All India Institute of Medical Sciences, Jodhpur, 342005, India
| | - Deepak Kumar
- Department of Internal Medicine (Infectious Diseases), All India Institute of Medical Sciences, Jodhpur, 342005, India.
| | - Mukesh Sharma
- Department of Microbiology, Dr. S.N. Medical College, Jodhpur, India
| | - Manika Malik
- Department of Internal Medicine (Infectious Diseases), All India Institute of Medical Sciences, Jodhpur, 342005, India
| | - Akshatha Ravindra
- Department of Internal Medicine (Infectious Diseases), All India Institute of Medical Sciences, Jodhpur, 342005, India
| | - N Santhanam
- Department of Internal Medicine (Infectious Diseases), All India Institute of Medical Sciences, Jodhpur, 342005, India
| | - Gopal Krishana Bohra
- Department of Internal Medicine (Infectious Diseases), All India Institute of Medical Sciences, Jodhpur, 342005, India
| | - Mahendra Kumar Garg
- Department of Internal Medicine (Infectious Diseases), All India Institute of Medical Sciences, Jodhpur, 342005, India
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Current Infections of the Orofacial Region: Treatment, Diagnosis, and Epidemiology. Life (Basel) 2023; 13:life13020269. [PMID: 36836626 PMCID: PMC9966653 DOI: 10.3390/life13020269] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 01/07/2023] [Accepted: 01/17/2023] [Indexed: 01/20/2023] Open
Abstract
Undoubtedly, diagnosing and managing infections is one of the most challenging issues for orofacial clinicians. As a result of the diversity of symptoms, complicated behavior, and sometimes confusing nature of these conditions, it has become increasingly difficult to diagnose and treat them. It also highlights the need to gain a deeper insight into the orofacial microbiome as we try to improve our understanding of it. In addition to changes in patients' lifestyles, such as changes in diet, smoking habits, sexual practices, immunosuppressive conditions, and occupational exposures, there have been changes in patients' lifestyles that complicate the issue. Recent years have seen the development of new infection treatments due to the increased knowledge about the biology and physiology of infections. This review aimed to provide a comprehensive overview of the types of infections in the mouth, including the types that viruses, fungi, or bacteria may cause. It is important to note that we searched the published literature in the Scopus, Medline, Google Scholar, and Cochran databases from 2010 to 2021 using the following keywords: "Orofacial/Oral Infections," "Viral/Fungal/Bacterial Infections", "Oral Microbiota" And "Oral Microflora" without limiting our search to languages and study designs. According to the evidence, the most common infections in the clinic include herpes simplex virus, human papillomavirus, Candida albicans, Aspergillus, Actinomycosis, and Streptococcus mutans. The purpose of this study is to review the new findings on characteristics, epidemiology, risk factors, clinical manifestations, diagnosis, and new treatment for these types of infectious diseases.
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Bhavthankar JD, Deokar VV, Mandale MS, Humbe JG. Jaw actinomycosis-An opportunistic infection: Case series. J Oral Maxillofac Pathol 2023; 27:224-227. [PMID: 37234337 PMCID: PMC10207189 DOI: 10.4103/jomfp.jomfp_529_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Revised: 12/29/2022] [Accepted: 01/25/2023] [Indexed: 05/27/2023] Open
Abstract
Jaw actinomycosis is a quite rare invasive facultative bacterial infection caused by Actinomyces, Gram-positive filamentous bacilli found in human commensal. A break in continuity of epithelium due to surgery, trauma or previous infection can lead to deeper invasion of bacteria causing infection. The risk factors for actinomycosis are trauma, caries, debilitation, and poorly controlled diabetes mellitus. Clinical presentation can mimic other pathologies, such as fungal infection tuberculosis, granulomatous diseases, so the diagnosis of actinomycosis is delayed or misdiagnosed. For the definitive diagnosis of jaw actinomycosis, medical history, dental history histopathological examinations and microbiological culture are important parameters. Actinomycotic bacteria are sensitive to antibacterial agents hence chemotherapeutic agents are used for treatment. This report presents case series of jaw actinomycosis involving mandible and maxilla. The final diagnosis was supported by histopathology.
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Affiliation(s)
- Jyoti D. Bhavthankar
- Department Oral Pathology and Microbiology, Govt Dental College and Hospital, Aurangabad, Maharashtra, India
| | - Varsha V. Deokar
- Department Oral Pathology and Microbiology, Govt Dental College and Hospital, Aurangabad, Maharashtra, India
| | - Mandakini S. Mandale
- Department Oral Pathology and Microbiology, Govt Dental College and Hospital, Aurangabad, Maharashtra, India
| | - Jayanti G. Humbe
- Department Oral Pathology and Microbiology, Govt Dental College and Hospital, Aurangabad, Maharashtra, India
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Moaddabi A, Cernera M, Armogida NG, Soltani P, Spagnuolo G. Actinomycotic Sinomaxillary Infection in a COVID-19 Patient: A Case Report and Review of the Literature. J Investig Med High Impact Case Rep 2023; 11:23247096231217823. [PMID: 38102073 PMCID: PMC10725094 DOI: 10.1177/23247096231217823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 11/05/2023] [Accepted: 11/12/2023] [Indexed: 12/17/2023] Open
Abstract
Individuals with COVID-19 are prone to a variety of infections due to immune dysregulation. The present report presents a case of actinomycotic infection in the maxillary bone and sinus region in a patient with a history of COVID-19. This case report highlights the importance of considering bacterial infections including actinomycosis when encountering destructive lesions resembling more prevalent fungal infections due to different therapeutic medication protocols. In addition, a literature review of the existing reports of similar post-COVID-19 actinomycotic infection is presented.
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Affiliation(s)
- Amirhossein Moaddabi
- Department of Oral and Maxillofacial Surgery, Dental Research Center, Mazandaran University of Medical Sciences, Sari, Iran
| | - Mariangela Cernera
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples “Federico II”, Naples, Italy
| | - Niccolò Giuseppe Armogida
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples “Federico II”, Naples, Italy
| | - Parisa Soltani
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples “Federico II”, Naples, Italy
- Department of Oral and Maxillofacial Radiology, Dental Implants Research Center, Dental Research Institute, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Gianrico Spagnuolo
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples “Federico II”, Naples, Italy
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A Case of Pulmonary Nocardiosis Presenting with Multiple Cavitary Nodules in a Patient with Thrombocytopenia. REPORTS 2022. [DOI: 10.3390/reports5020019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Nocardiosis is an infrequent opportunistic infection that deserves more attention because of its increasing morbidity and high rate of misdiagnosis. Clinical and radiological manifestations as well as antibiograms of pulmonary nocardiosis are diverse. Herein, we report a patient with idiopathic thrombocytopenia treated with glucocorticoids, which later presented with severe pulmonary infection with widely distributed nodules on chest computed tomography. Fungal infection or tuberculosis was under initial suspicion and microbiological tests of bronchoalveolar lavage fluid eventually yielded an affirmative result of Nocardia cyriacigeorgica. The patient responded in the beginning; however, therapeutic strategies had to be altered several times due to adverse events. The patient eventually ended up with radiographic resolution at the end of six months. We wish to share some experience in dealing with this disease especially recognizing pulmonary nocardiosis in computed tomography imaging.
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Targeted histological evaluation shows high incidence of actinomyces infection in medication-related osteonecrosis of the jaws. Sci Rep 2022; 12:3406. [PMID: 35233034 PMCID: PMC8888741 DOI: 10.1038/s41598-022-07375-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 01/28/2022] [Indexed: 11/08/2022] Open
Abstract
Medication-Related Osteonecrosis of the Jaws (MRONJ) is a difficult-to-treat complication of the therapy of osteoporosis and some malignancies cured with bisphosphonates and antiresorptive drugs. The pathomechanism is unclear, but there is increasing observation that Actinomyces infection may play a role in its development and progression. The aim of our study was to demonstrate that histological examination using a validated triple staining procedure for Actinomyces bacteria strains can detect a high rate of Actinomyces infection in patient's samples with MRONJ. 112 previously hematoxylin-eosin (HE) stained samples submitted with the clinical diagnosis of MRONJ were re-evaluated histologically using an appropriate triple special staining validated for the identification of Actinomyces infection. During the first evaluation, when pathologists did not specifically look for Actinomyces, only 8.93% of the samples were reported as positive. In contrast, re-evaluation with triple staining provided a yield of 93.7% positive samples, therefore, we suggest the triple special staining to be standard in MRONJ histology evaluation. These results show that if the clinician suspects Actinomyces infection and brings this to the attention of the pathologist, it could significantly increase the number of correct diagnoses. It serves as an aid for clinicians in therapeutic success of MRONJ by selecting a long-term adequate antibiotic medication which is suitable for the elimination of actinomyces infection.
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Senobar Tahaei SA, Stájer A, Barrak I, Ostorházi E, Szabó D, Gajdács M. Correlation Between Biofilm-Formation and the Antibiotic Resistant Phenotype in Staphylococcus aureus Isolates: A Laboratory-Based Study in Hungary and a Review of the Literature. Infect Drug Resist 2021. [PMID: 33790586 DOI: 10.2147/idrs303992] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023] Open
Abstract
INTRODUCTION Staphylococcus aureus (S. aureus) is an important causative pathogen in human infections. The production of biofilms by bacteria is an important factor, leading to treatment failures. There has been significant interest in assessing the possible relationship between the multidrug-resistant (MDR) status and the biofilm-producer phenotype in bacteria. The aim of our present study was to assess the biofilm-production rates in clinical methicillin-susceptible S. aureus [MSSA] and methicillin-resistant S. aureus [MRSA] isolates from Hungarian hospitals and the correlation between resistance characteristics and their biofilm-forming capacity. METHODS A total of three hundred (n=300) S. aureus isolates (corresponding to MSSA and MRSA isolates in equal measure) were included in this study. Identification of the isolates was carried out using the VITEK 2 ID/AST system and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS). Antimicrobial susceptibility testing was performed using the Kirby-Bauer disk diffusion method and E-tests, confirmation of MRSA status was carried out using PBP2a agglutination assay. Biofilm-production was assessed using the crystal violet (CV) tube-adherence method and the Congo red agar (CRA) plate method. RESULTS There were significant differences among MSSA and MRSA isolates regarding susceptibility-levels to commonly used antibiotics (in case of erythromycin, clindamycin and ciprofloxacin: p<0.001, gentamicin: p=0.023, sulfamethoxazole/trimethoprim: p=0.027, rifampin: p=0.037). In the CV tube adherence-assay, 37% (n=56) of MSSA and 39% (n=58) of MRSA isolates were positive for biofilm-production, while during the use of CRA plates, 41% (n=61) of MSSA and 44% (n=66) of MRSA were positive; no associations were found between methicillin-resistance and biofilm-production. On the other hand, erythromycin, clindamycin and rifampin resistance was associated with biofilm-positivity (p=0.004, p<0.001 and p<0.001, respectively). Biofilm-positive isolates were most common from catheter-associated infections. DISCUSSION Our study emphasizes the need for additional experiments to assess the role biofilms have in the pathogenesis of implant-associated and chronic S. aureus infections.
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Affiliation(s)
- Seyyed Askhan Senobar Tahaei
- Department of Pharmacodynamics and Biopharmacy, Faculty of Pharmacy, University of Szeged, Szeged, 6720, Hungary
| | - Anette Stájer
- Department of Periodontology, Faculty of Dentistry, University of Szeged, Szeged, 6720, Hungary
| | - Ibrahim Barrak
- Department of Periodontology, Faculty of Dentistry, University of Szeged, Szeged, 6720, Hungary
| | - Eszter Ostorházi
- Institute of Medical Microbiology, Faculty of Medicine, Semmelweis University, Budapest, 1089, Hungary
| | - Dóra Szabó
- Institute of Medical Microbiology, Faculty of Medicine, Semmelweis University, Budapest, 1089, Hungary
| | - Márió Gajdács
- Department of Pharmacodynamics and Biopharmacy, Faculty of Pharmacy, University of Szeged, Szeged, 6720, Hungary.,Institute of Medical Microbiology, Faculty of Medicine, Semmelweis University, Budapest, 1089, Hungary
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13
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Senobar Tahaei SA, Stájer A, Barrak I, Ostorházi E, Szabó D, Gajdács M. Correlation Between Biofilm-Formation and the Antibiotic Resistant Phenotype in Staphylococcus aureus Isolates: A Laboratory-Based Study in Hungary and a Review of the Literature. Infect Drug Resist 2021; 14:1155-1168. [PMID: 33790586 PMCID: PMC8001189 DOI: 10.2147/idr.s303992] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 03/11/2021] [Indexed: 12/14/2022] Open
Abstract
Introduction Staphylococcus aureus (S. aureus) is an important causative pathogen in human infections. The production of biofilms by bacteria is an important factor, leading to treatment failures. There has been significant interest in assessing the possible relationship between the multidrug-resistant (MDR) status and the biofilm-producer phenotype in bacteria. The aim of our present study was to assess the biofilm-production rates in clinical methicillin-susceptible S. aureus [MSSA] and methicillin-resistant S. aureus [MRSA] isolates from Hungarian hospitals and the correlation between resistance characteristics and their biofilm-forming capacity. Methods A total of three hundred (n=300) S. aureus isolates (corresponding to MSSA and MRSA isolates in equal measure) were included in this study. Identification of the isolates was carried out using the VITEK 2 ID/AST system and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS). Antimicrobial susceptibility testing was performed using the Kirby-Bauer disk diffusion method and E-tests, confirmation of MRSA status was carried out using PBP2a agglutination assay. Biofilm-production was assessed using the crystal violet (CV) tube-adherence method and the Congo red agar (CRA) plate method. Results There were significant differences among MSSA and MRSA isolates regarding susceptibility-levels to commonly used antibiotics (in case of erythromycin, clindamycin and ciprofloxacin: p<0.001, gentamicin: p=0.023, sulfamethoxazole/trimethoprim: p=0.027, rifampin: p=0.037). In the CV tube adherence-assay, 37% (n=56) of MSSA and 39% (n=58) of MRSA isolates were positive for biofilm-production, while during the use of CRA plates, 41% (n=61) of MSSA and 44% (n=66) of MRSA were positive; no associations were found between methicillin-resistance and biofilm-production. On the other hand, erythromycin, clindamycin and rifampin resistance was associated with biofilm-positivity (p=0.004, p<0.001 and p<0.001, respectively). Biofilm-positive isolates were most common from catheter-associated infections. Discussion Our study emphasizes the need for additional experiments to assess the role biofilms have in the pathogenesis of implant-associated and chronic S. aureus infections.
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Affiliation(s)
- Seyyed Askhan Senobar Tahaei
- Department of Pharmacodynamics and Biopharmacy, Faculty of Pharmacy, University of Szeged, Szeged, 6720, Hungary
| | - Anette Stájer
- Department of Periodontology, Faculty of Dentistry, University of Szeged, Szeged, 6720, Hungary
| | - Ibrahim Barrak
- Department of Periodontology, Faculty of Dentistry, University of Szeged, Szeged, 6720, Hungary
| | - Eszter Ostorházi
- Institute of Medical Microbiology, Faculty of Medicine, Semmelweis University, Budapest, 1089, Hungary
| | - Dóra Szabó
- Institute of Medical Microbiology, Faculty of Medicine, Semmelweis University, Budapest, 1089, Hungary
| | - Márió Gajdács
- Department of Pharmacodynamics and Biopharmacy, Faculty of Pharmacy, University of Szeged, Szeged, 6720, Hungary.,Institute of Medical Microbiology, Faculty of Medicine, Semmelweis University, Budapest, 1089, Hungary
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Brosig AM, Hitzenbichler F, Ernst B, Köstler J, Bohr C, Künzel J. [Cervicofacial actinomycosis]. Laryngorhinootologie 2021; 100:966-972. [PMID: 33618377 DOI: 10.1055/a-1381-8406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Actinomycosis is an infectious disease caused by gram-positive, facultative anaerobic bacteria, which in most cases manifests itself in the cervicofacial area and often has a dentogenic focus. The clinical presentation ranges from acute abscess to chronically fistulating soft tissue processes. Early diagnosis and an appropriate therapeutic approach including a combination of extensive antibiotic treatment and, if necessary, surgical intervention are critical. This article presents five cases of actinomycete infections, which are intended to illustrate the variety of clinical presentations, the problems on the way to the correct diagnosis and possible therapeutic courses.
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Affiliation(s)
- Anja Maria Brosig
- Klinik und Poliklinik für Hals-Nasen-Ohren-Heilkunde, Universitätsklinikum Regensburg, Germany
| | - Florian Hitzenbichler
- Abteilung für Krankenhaushygiene und Infektiologie, Universitätsklinikum Regensburg, Germany
| | - Benjamin Ernst
- Hals-Nasen-Ohrenklinik und Poliklinik, Johannes-Gutenberg-Universität Mainz, Germany
| | - Josef Köstler
- Institut für Mikrobiologie und Hygiene, Universitätsklinikum Regensburg, Germany
| | - Christopher Bohr
- Klinik und Poliklinik für Hals-Nasen-Ohren-Heilkunde, Universitätsklinikum Regensburg, Germany
| | - Julian Künzel
- Klinik und Poliklinik für Hals-Nasen-Ohren-Heilkunde, Universitätsklinikum Regensburg, Germany
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Microbiological and Clinical Aspects of Actinomyces Infections: What Have We Learned? Antibiotics (Basel) 2021; 10:antibiotics10020151. [PMID: 33546209 PMCID: PMC7913296 DOI: 10.3390/antibiotics10020151] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 02/02/2021] [Indexed: 01/01/2023] Open
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16
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Behzadi P, Baráth Z, Gajdács M. It's Not Easy Being Green: A Narrative Review on the Microbiology, Virulence and Therapeutic Prospects of Multidrug-Resistant Pseudomonas aeruginosa. Antibiotics (Basel) 2021; 10:42. [PMID: 33406652 PMCID: PMC7823828 DOI: 10.3390/antibiotics10010042] [Citation(s) in RCA: 109] [Impact Index Per Article: 36.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 12/29/2020] [Accepted: 12/31/2020] [Indexed: 12/11/2022] Open
Abstract
Pseudomonas aeruginosa is the most frequent cause of infection among non-fermenting Gram-negative bacteria, predominantly affecting immunocompromised patients, but its pathogenic role should not be disregarded in immunocompetent patients. These pathogens present a concerning therapeutic challenge to clinicians, both in community and in hospital settings, due to their increasing prevalence of resistance, and this may lead to prolonged therapy, sequelae, and excess mortality in the affected patient population. The resistance mechanisms of P. aeruginosa may be classified into intrinsic and acquired resistance mechanisms. These mechanisms lead to occurrence of resistant strains against important antibiotics-relevant in the treatment of P. aeruginosa infections-such as β-lactams, quinolones, aminoglycosides, and colistin. The occurrence of a specific resistotype of P. aeruginosa, namely the emergence of carbapenem-resistant but cephalosporin-susceptible (Car-R/Ceph-S) strains, has received substantial attention from clinical microbiologists and infection control specialists; nevertheless, the available literature on this topic is still scarce. The aim of this present review paper is to provide a concise summary on the adaptability, virulence, and antibiotic resistance of P. aeruginosa to a readership of basic scientists and clinicians.
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Affiliation(s)
- Payam Behzadi
- Department of Microbiology, College of Basic Sciences, Shahr-e-Qods Branch, Islamic Azad University, Tehran 37541-374, Iran;
| | - Zoltán Baráth
- Department of Prosthodontics, Faculty of Dentistry, University of Szeged, Tisza Lajos körút 62-64, 6720 Szeged, Hungary;
| | - Márió Gajdács
- Institute of Medical Microbiology, Faculty of Medicine, Semmelweis University, 1089 Budapest, Hungary
- Department of Pharmacodynamics and Biopharmacy, Faculty of Pharmacy, University of Szeged, 6720 Szeged, Hungary
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Barrak I, Stájer A, Gajdács M, Urbán E. Small, but smelly: the importance of Solobacterium moorei in halitosis and other human infections. Heliyon 2020; 6:e05371. [PMID: 33163658 PMCID: PMC7610269 DOI: 10.1016/j.heliyon.2020.e05371] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 08/25/2020] [Accepted: 10/26/2020] [Indexed: 12/21/2022] Open
Abstract
Solobacterium moorei (S. moorei) has been described as Gram-positive, non spore forming, obligate anaerobic bacillus from human feces. The traditional culture and identification of these strains is very difficult (as the strains are often not cultivable or they grow only relatively slowly, in addition to producing only a very few positive biochemical reactions in commercially available identification kits); thus, reliable identification may only be carried out using methods, such as matrix-assisted laser desorption/ionization time-of-flight mass spectrometry and DNA sequencing. Regarding its pathogenic role, the relevance of S. moorei in halitosis (oral malodor) has a good standing, as it has been suggested by multiple studies, while the isolation of these bacteria from invasive infections is very rare; there are only a few reports available in the literature, regarding infections outside the oral cavity. Based on these reports, affected patients are predominantly characterized compromised immunity and are frequently associated with a dental focus of infection. The aim of our present review is to summarize the currently available knowledge on the pathogenic role of S. moorei in halitosis and other infections and to emphasize the relevance of this neglected anaerobic pathogen.
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Affiliation(s)
- Ibrahim Barrak
- Department of Prosthodontics, Faculty of Dentistry, University of Szeged, Tiszta Lajos körút 62-64, 6720 Szeged, Hungary
| | - Anette Stájer
- Department of Prosthodontics, Faculty of Dentistry, University of Szeged, Tiszta Lajos körút 62-64, 6720 Szeged, Hungary
| | - Márió Gajdács
- Department of Pharmacodynamics and Biopharmacy, Faculty of Pharmacy, University of Szeged, 6720 Szeged, Eötvös utca 6, Hungary
- Institute of Microbiology, Faculty of Medicine, Semmelweis University, 1089 Budapest, Nagyvárad tér 4, Hungary
| | - Edit Urbán
- Department of Medical Microbiology and Immunology, University of Pécs Medical School, 7624 Pécs, Szigeti út 12, Hungary
- Institute of Translational Medicine, University of Pécs Medical School, 7624 Pécs, Szigeti út 12, Hungary
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Gajdács M, Urbán E. The Pathogenic Role of Actinomyces spp. and Related Organisms in Genitourinary Infections: Discoveries in the New, Modern Diagnostic Era. Antibiotics (Basel) 2020; 9:E524. [PMID: 32824418 PMCID: PMC7459602 DOI: 10.3390/antibiotics9080524] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Revised: 08/14/2020] [Accepted: 08/15/2020] [Indexed: 12/16/2022] Open
Abstract
Actinomycosis is a chronic, suppurative, granulomatous infectious disease, caused by different species of Actinomyces bacteria. To date, 26 validly published Actinomyces species have been described as part of a normal human microbiota or from human clinical specimens. Due to the rapid spread of new, modern diagnostic procedures, 13 of 26 of these species have been described in this century and the Actinomycetaceae family has undergone several taxonomic revisions, including the introduction of many novel species termed Actinomyces-like organisms (ALOs). There is scarce data available on the role of these novel bacterial species in various infectious processes in human medicine. The aim of this review is to provide a comprehensive overview of Actinomyces and closely related organisms involved in human diseases-with a special focus on newly described species-in particular their role in genitourinary tract infections in females and males.
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Affiliation(s)
- Márió Gajdács
- Department of Pharmacodynamics and Biopharmacy, Faculty of Pharmacy, University of Szeged, 6720 Szeged, Hungary;
- Institute of Medical Microbiology, Faculty of Medicine, Semmelweis University, 1089 Budapest, Hungary
| | - Edit Urbán
- Institute of Translational Medicine, Faculty of Medicine, University of Pécs, 7624 Pécs, Hungary
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GAJDÁCS MÁRIÓ, URBÁN EDIT. Relevance of anaerobic bacteremia in adult patients: A never-ending story? Eur J Microbiol Immunol (Bp) 2020; 10:64-75. [PMID: 32590337 PMCID: PMC7391379 DOI: 10.1556/1886.2020.00009] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Accepted: 04/19/2020] [Indexed: 11/30/2022] Open
Abstract
Obligate anaerobic bacteria are considered important constituents of the microbiota of humans; in addition, they are also important etiological agents in some focal or invasive infections and bacteremia with a high level of mortality. Conflicting data have accumulated over the last decades regarding the extent in which these pathogens play an intrinsic role in bloodstream infections. Clinical characteristics of anaerobic bloodstream infections do not differ from bacteremia caused by other pathogens, but due to their longer generation time and rigorous growth requirements, it usually takes longer to establish the etiological diagnosis. The introduction of matrix-assisted laser desorption-ionization time-of-flight mass spectrometry (MALDI-TOF MS) has represented a technological revolution in microbiological diagnostics, which has allowed for the fast, accurate and reliable identification of anaerobic bacteria at a low sample cost. The purpose of this review article is to summarize the currently available literature data on the prevalence of anaerobic bacteremia in adults for physicians and clinical microbiologists and to shed some light on the complexity of this topic nowadays.
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Affiliation(s)
- MÁRIÓ GAJDÁCS
- Department of Pharmacodynamics and Biopharmacy, Faculty of Pharmacy, University of Szeged, Eötvös utca 6., Szeged, 6720, Hungary
| | - EDIT URBÁN
- Department of Public Health, Faculty of Medicine, University of Szeged, Dóm tér 10., Szeged, 6720, Hungary
- Institute for Translational Medicine, Medical School, University of Pécs, Szigeti út 12., Pécs, 7624, Hungary
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Bortoluzzi P, Nazzaro G, Giacalone S, Veraldi S. Cervicofacial actinomycosis: a report of 14 patients observed at the Dermatology Unit of the University of Milan, Italy. Int J Dermatol 2020; 59:1222-1225. [DOI: 10.1111/ijd.14934] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 04/14/2020] [Accepted: 04/18/2020] [Indexed: 01/29/2023]
Affiliation(s)
- Paolo Bortoluzzi
- Postgraduate School of Dermatology and Venereology Università degli Studi Milan Italy
| | - Gianluca Nazzaro
- Department of Pathophysiology and Transplantation Università degli Studi IRCCS Foundation Cà Granda Ospedale Maggiore Policlinico Milan Italy
| | - Serena Giacalone
- Postgraduate School of Dermatology and Venereology Università degli Studi Milan Italy
| | - Stefano Veraldi
- Department of Pathophysiology and Transplantation Università degli Studi IRCCS Foundation Cà Granda Ospedale Maggiore Policlinico Milan Italy
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21
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Gupta N, Aggarwal A, Ramteke P, Soneja M. Mandibular osteomyelitis due to Actinomyces spp. BMJ Case Rep 2020; 13:13/5/e235744. [PMID: 32398252 DOI: 10.1136/bcr-2020-235744] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Affiliation(s)
- Nitin Gupta
- Department of Medicine, All India Institute of Medical Sciences, New Delhi, Delhi, India
| | - Anivita Aggarwal
- Department of Medicine, All India Institute of Medical Sciences, New Delhi, Delhi, India
| | - Prashant Ramteke
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, Delhi, India
| | - Manish Soneja
- Department of Medicine, All India Institute of Medical Sciences, New Delhi, Delhi, India
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22
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Stájer A, Kajári S, Gajdács M, Musah-Eroje A, Baráth Z. Utility of Photodynamic Therapy in Dentistry: Current Concepts. Dent J (Basel) 2020; 8:E43. [PMID: 32392793 PMCID: PMC7345245 DOI: 10.3390/dj8020043] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 04/27/2020] [Accepted: 04/29/2020] [Indexed: 12/13/2022] Open
Abstract
The significant growth in scientific and technological advancements within the field of dentistry has resulted in a wide range of novel treatment modalities for dentists to use. Photodynamic therapy (PDT) is an emerging, non-invasive treatment method, involving photosensitizers, light of a specific wavelength and the generation of singlet oxygen and reactive oxygen species (ROS) to eliminate unwanted eukaryotic cells (e.g., malignancies in the oral cavity) or pathogenic microorganisms. The aim of this review article is to summarize the history, general concepts, advantages and disadvantages of PDT and to provide examples for current indications of PDT in various subspecialties of dentistry (oral and maxillofacial surgery, oral medicine, endodontics, preventive dentistry, periodontology and implantology), in addition to presenting some images from our own experiences about the clinical success with PDT.
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Affiliation(s)
- Anette Stájer
- Department of Periodontology, Faculty of Dentistry, University of Szeged, Tiszta Lajos körút 62-64, 6720 Szeged, Hungary;
| | - Szilvia Kajári
- Department of Periodontology, Faculty of Dentistry, University of Szeged, Tiszta Lajos körút 62-64, 6720 Szeged, Hungary;
| | - Márió Gajdács
- Department of Pharmacodynamics and Biopharmacy, Faculty of Pharmacy, University of Szeged, Eötvös utca 6, 6720 Szeged, Hungary;
| | - Aima Musah-Eroje
- Department of Prosthodontics, Faculty of Dentistry, University of Szeged, Tiszta Lajos körút 62-64, 6720 Szeged, Hungary; (A.M.-E.); (Z.B.)
| | - Zoltán Baráth
- Department of Prosthodontics, Faculty of Dentistry, University of Szeged, Tiszta Lajos körút 62-64, 6720 Szeged, Hungary; (A.M.-E.); (Z.B.)
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