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Cerpa Almenara V, Nebreda Mayoral T, Álvarez Álvarez M, Rodrigo Pérez C, Saiz Sigüenza N, Sánchez Hernández MDLP. Sinus fungal balls caused by Syncephalastrum spp.: 2 clinical cases and literature review. ENFERMEDADES INFECCIOSAS Y MICROBIOLOGIA CLINICA (ENGLISH ED.) 2024:S2529-993X(24)00158-8. [PMID: 38906774 DOI: 10.1016/j.eimce.2024.06.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 05/01/2024] [Accepted: 05/03/2024] [Indexed: 06/23/2024]
Abstract
INTRODUCTION Syncephalastrum spp. is a mucoral that rarely produces pathology. Fungal balls caused by this genus are infrequent. It requires early diagnosis and treatment to avoid associated morbidity and mortality. METHODS We describe two clinical cases of sinus fungus balls caused by Syncephalastrum spp. and review the literature. RESULTS Two patients were treated for sinus fungus balls. When their samples were analysed, the aetiology was determined to be Syncephalastrum spp. A case of pulmonary fungus ball due to Syncephalastrum spp. is described in the literature. All cases, including these described in the present study, had a good evolution after treatment. CONCLUSIONS Syncephalastrum spp. is a filamentous fungus that should be considered as an aetiology of sinus fungus ball.
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Affiliation(s)
- Virginia Cerpa Almenara
- Servicio de Microbiología e Inmunología, Hospital Clínico Universitario de Valladolid, Valladolid, Spain.
| | - Teresa Nebreda Mayoral
- Servicio de Microbiología e Inmunología, Hospital Clínico Universitario de Valladolid, Valladolid, Spain
| | - María Álvarez Álvarez
- Servicio de Otorrinolaringología, Hospital Clínico Universitario de Valladolid, Valladolid, Spain
| | - Clara Rodrigo Pérez
- Servicio de Radiodiagnóstico, Hospital Clínico Universitario de Valladolid, Valladolid, Spain
| | - Natalia Saiz Sigüenza
- Servicio de Microbiología e Inmunología, Hospital Clínico Universitario de Valladolid, Valladolid, Spain
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Kumar M, Mazumder P, Silori R, Manna S, Panday DP, Das N, Sethy SK, Kuroda K, Mahapatra DM, Mahlknecht J, Tyagi VK, Singh R, Zang J, Barceló D. Prevalence of pharmaceuticals and personal care products, microplastics and co-infecting microbes in the post-COVID-19 era and its implications on antimicrobial resistance and potential endocrine disruptive effects. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 904:166419. [PMID: 37625721 DOI: 10.1016/j.scitotenv.2023.166419] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 08/15/2023] [Accepted: 08/15/2023] [Indexed: 08/27/2023]
Abstract
The COVID-19 (coronavirus disease 2019) pandemic's steady condition coupled with predominance of emerging contaminants in the environment and its synergistic implications in recent times has stoked interest in combating medical emergencies in this dynamic environment. In this context, high concentrations of pharmaceutical and personal care products (PPCPs), microplastics (MPs), antimicrobial resistance (AMR), and soaring coinfecting microbes, tied with potential endocrine disruptive (ED) are critical environmental concerns that requires a detailed documentation and analysis. During the pandemic, the identification, enumeration, and assessment of potential hazards of PPCPs and MPs and (used as anti-COVID-19 agents/applications) in aquatic habitats have been attempted globally. Albeit receding threats in the magnitude of COVID-19 infections, both these pollutants have still posed serious consequences to aquatic ecosystems and the very health and hygiene of the population in the vicinity. The surge in the contaminants post-COVID also renders them to be potent vectors to harbor and amplify AMR. Pertinently, the present work attempts to critically review such instances to understand the underlying mechanism, interactions swaying the current health of our environment during this post-COVID-19 era. During this juncture, although prevention of diseases, patient care, and self-hygiene have taken precedence, nevertheless antimicrobial stewardship (AMS) efforts have been overlooked. Unnecessary usage of PPCPs and plastics during the pandemic has resulted in increased emerging contaminants (i.e., active pharmaceutical ingredients and MPs) in various environmental matrices. It was also noticed that among COVID-19 patients, while the bacterial co-infection prevalence was 0.2-51%, the fungi, viral, protozoan and helminth were 0.3-49, 1-22, 2-15, 0.4-15% respectively, rendering them resistant to residual PPCPs. There are inevitable chances of ED effects from PPCPs and MPs applied previously, that could pose far-reaching health concerns. Furthermore, clinical and other experimental evidence for many newer compounds is very scarce and demands further research. Pro-active measures targeting effective waste management, evolved environmental policies aiding strict regulatory measures, and scientific research would be crucial in minimizing the impact and creating better preparedness towards such events among the masses fostering sustainability.
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Affiliation(s)
- Manish Kumar
- Sustainability Cluster, School of Advanced Engineering, UPES, Dehradun, Uttarakhand 248007, India; Escuela de Ingenieria y Ciencias, Tecnologico de Monterrey, Campus Monterrey, Monterrey 64849, Nuevo Leon, Mexico.
| | - Payal Mazumder
- Sustainability Cluster, School of Advanced Engineering, UPES, Dehradun, Uttarakhand 248007, India
| | - Rahul Silori
- Sustainability Cluster, School of Advanced Engineering, UPES, Dehradun, Uttarakhand 248007, India
| | - Suvendu Manna
- Sustainability Cluster, School of Advanced Engineering, UPES, Dehradun, Uttarakhand 248007, India
| | - Durga Prasad Panday
- Sustainability Cluster, School of Advanced Engineering, UPES, Dehradun, Uttarakhand 248007, India
| | - Nilotpal Das
- ENCORE Insoltech Pvt. Ltd, Randesan, Gandhinagar, Gujarat 382421, India
| | - Susanta Kumar Sethy
- Sustainability Cluster, School of Advanced Engineering, UPES, Dehradun, Uttarakhand 248007, India
| | - Keisuke Kuroda
- Department of Environmental and Civil Engineering, Toyama Prefectural University, Imizu 939 0398, Japan
| | - Durga Madhab Mahapatra
- Department of Chemical and Petroleum Engineering, School of Advanced Engineering, UPES, Dehradun, Uttarakhand 248007, India; Department of Biological and Ecological Engineering, Oregon State University, Corvallis, OR 97331, USA
| | - Jürgen Mahlknecht
- Escuela de Ingenieria y Ciencias, Tecnologico de Monterrey, Campus Monterrey, Monterrey 64849, Nuevo Leon, Mexico
| | - Vinay Kumar Tyagi
- Wastewater Division, National Institute of Hydrology Roorkee, Roorkee, Uttranchal, India
| | - Rajesh Singh
- Wastewater Division, National Institute of Hydrology Roorkee, Roorkee, Uttranchal, India
| | - Jian Zang
- Department of Civil Engineering, Chongqing University, China
| | - Damià Barceló
- Sustainability Cluster, School of Advanced Engineering, UPES, Dehradun, Uttarakhand 248007, India; Water and Soil Quality Research Group, Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona 1826, Barcelona 08034, Spain
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Rudramurthy SM, Singh S, Kanaujia R, Chaudhary H, Muthu V, Panda N, Pandey A, Thakur S, Kaur H, Ghosh A, Agarwal R, Chakrabarti A. Clinical and Mycologic Characteristics of Emerging Mucormycosis Agent Rhizopus homothallicus. Emerg Infect Dis 2023; 29:1313-1322. [PMID: 37347535 PMCID: PMC10310386 DOI: 10.3201/eid2907.221491] [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] [Indexed: 06/23/2023] Open
Abstract
We retrospectively reviewed consecutive cases of mucormycosis reported from a tertiary-care center in India to determine the clinical and mycologic characteristics of emerging Rhizopus homothallicus fungus. The objectives were ascertaining the proportion of R. homothallicus infection and the 30-day mortality rate in rhino-orbital mucormycosis attributable to R. homothallicus compared with R. arrhizus. R. homothallicus accounted for 43 (6.8%) of the 631 cases of mucormycosis. R. homothallicus infection was independently associated with better survival (odds ratio [OR] 0.08 [95% CI 0.02-0.36]; p = 0.001) than for R. arrhizus infection (4/41 [9.8%] vs. 104/266 [39.1%]) after adjusting for age, intracranial involvement, and surgery. We also performed antifungal-susceptibility testing, which indicated a low range of MICs for R. homothallicus against the commonly used antifungals (amphotericin B [0.03-16], itraconazole [0.03-16], posaconazole [0.03-8], and isavuconazole [0.03-16]). 18S gene sequencing and amplified length polymorphism analysis revealed distinct clustering of R. homothallicus.
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Affiliation(s)
| | | | - Rimjhim Kanaujia
- Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | | | - Valliappan Muthu
- Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Naresh Panda
- Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Abhishek Pandey
- Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Sheetal Thakur
- Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Harsimran Kaur
- Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Anup Ghosh
- Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Ritesh Agarwal
- Postgraduate Institute of Medical Education and Research, Chandigarh, India
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Singh S, Kanaujia R, Kumar MB, Naga Santhosh Irrinki RN, Satish SN, Choudhary H, Kaur H, Rudramurthy SM. Saksenaea vasiformis infection: Extensive abdominal wall necrotizing fasciitis with systematic review and analysis of 65 cases. Mycoses 2023. [PMID: 37095628 DOI: 10.1111/myc.13592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 04/03/2023] [Accepted: 04/12/2023] [Indexed: 04/26/2023]
Abstract
INTRODUCTION Saksenaea vasiformis is a rarely reported Mucorales causing mucormycosis in both immunocompromised and immunocompetent individuals. Due to few reported cases, the clinical characteristics and optimal management strategy for this rare agent are not clearly described. METHODS We systematically reviewed Medline, EmBase and CINHAL for studies on S. vasiformis infections reported until 1 January 2022 and 57 studies (63 patients) were retrieved. Additionally, one more case of extensive abdominal wall necrotizing fasciitis managed by our team was also included. The clinical and demographic characteristics and outcomes were extracted and analysed. RESULTS Out of the 65 included cases, the majority were reported from India (26.6%). The most common risk factors for infection were accidental trauma wounds (31.3%), health-care-related wounds (14.1%) and animal/insect bites (12.5%). Most common clinical presentation was subcutaneous mucormycosis (60.9%) followed by rhino-orbito cerebral mucormycosis (14%), necrotizing fasciitis (10%), disseminated infection (9.3%), pulmonary mucormycosis (3.2%) and osteomyelitis (1.6%). Mortality was observed in 24 (37.5%) patients and health care related injuries were significantly associated with higher mortality (p = .001). The use of posaconazole (p = .019) and the use of surgical management (p = .032) was associated with significantly better survival. DISCUSSION In this study, we describe the largest compendium of mucormycosis due to S. vasiformis, which can be useful in increasing awareness regarding this rare Mucorales and guiding patient management.
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Affiliation(s)
- Shreya Singh
- Department of Medical Microbiology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Rimjhim Kanaujia
- Department of Medical Microbiology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Mani Bhushan Kumar
- Department of Medical Microbiology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - R N Naga Santhosh Irrinki
- Department of General Surgery, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - S N Satish
- Department of General Surgery, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Hansraj Choudhary
- Department of Medical Microbiology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Harsimran Kaur
- Department of Medical Microbiology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Shivaprakash M Rudramurthy
- Department of Medical Microbiology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
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Ghosh AK, Singh R, Reddy S, Singh S, Rudramurthy SM, Kaur H, Choudhary H, Chakrabarti A. Evaluation of environmental Mucorales contamination in and around the residence of COVID-19-associated mucormycosis patients. Front Cell Infect Microbiol 2022; 12:953750. [PMID: 36118044 PMCID: PMC9478190 DOI: 10.3389/fcimb.2022.953750] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Accepted: 08/09/2022] [Indexed: 11/13/2022] Open
Abstract
IntroductionRecently, India witnessed an unprecedented surge of coronavirus disease 2019 (COVID-19)-associated mucormycosis (CAM) cases. In addition to patient management issues, environmental Mucorales contamination possibly contributed to the outbreak. A recent study evaluated environment contamination by Mucorales in the hospital setting. However, a considerable number of CAM patients were never admitted to a hospital before the development of the disease. The present study, therefore, planned to evaluate Mucorales contamination of patients’ residences.MethodsThe residential environment of 25 patients with CAM living in north India was surveyed. Air samples were collected from indoor and immediate outdoor vicinity of the patients’ residence and cultured on Dichloran Rose–Bengal Chloramphenicol (DRBC) agar with benomyl for selective isolation of Mucorales. Surface swab samples were also collected from the air coolers fitted in those residences and cultured on DRBC agar. The isolates were identified by phenotypic and genotypic methods. Amplified fragment length polymorphism (AFLP) was employed to evaluate the genetic relatedness of the environmental and patients’ clinical isolates.ResultsThe median spore count (mean ± SD, cfu/m3) of Mucorales in the air of patients’ bedrooms was significantly higher than in the air in other rooms in those residences (3.55 versus 1.5, p = 0.003) or the air collected directly from the front of the air cooler (p < 0.0001). The Mucorales spore count in the environment did not correlate with either ventilation of the room or hygiene level of the patients’ residences. Rhizopus arrhizus was isolated from the environment of all patients’ residences (n = 25); other Mucorales species isolated were Cunninghamella bertholletiae (n = 14), Rhizopus microsporus (n = 6), Rhizopus delemar (n = 6), Syncephalastrum racemosum (n = 1), Lichtheimia corymbifera (n = 1), and Mucor racemosus (n = 1). Genetic relatedness was observed between 11 environmental isolates from the patients’ bedrooms and respective clinical isolates from patients.DiscussionThe study supported the view that the patients might have acquired Mucorales from the home environment during the post-COVID-19 convalescence period. Universal masking at home during patients’ convalescence period and environmental decontamination could minimize exposure in those susceptible patients.
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Seethalakshmi PS, Charity OJ, Giakoumis T, Kiran GS, Sriskandan S, Voulvoulis N, Selvin J. Delineating the impact of COVID-19 on antimicrobial resistance: An Indian perspective. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 818:151702. [PMID: 34798093 PMCID: PMC8592853 DOI: 10.1016/j.scitotenv.2021.151702] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 10/24/2021] [Accepted: 11/11/2021] [Indexed: 05/23/2023]
Abstract
The COVID-19 pandemic has shattered millions of lives globally and continues to be a challenge to public health due to the emergence of variants of concern. Fear of secondary infections following COVID-19 has led to an escalation in antimicrobial use during the pandemic, while some antimicrobials have been repurposed as treatments for SARS-CoV-2, further driving antimicrobial resistance. India is one of the largest producers and consumers of antimicrobials globally, hence the task of curbing antimicrobial resistance is a huge challenge. Practices like empirical antimicrobial prescription and repurposing of drugs in clinical settings, self-medication and excessive use of antimicrobial hygiene products may have negatively impacted the prevalence of antimicrobial resistance in India. However, the expanded production of antimicrobials and disinfectants during the pandemic in response to increased demand may have had an even greater impact on the threat of antimicrobial resistance through major impacts on the environment. The review provides an outline of the impact COVID-19 can have on antimicrobial resistance in clinical settings and the possible outcomes on the environment. This review calls for the upgrading of existing antimicrobial policies and emphasizes the need for research studies to understand the impact of the pandemic on antimicrobial resistance in India.
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Affiliation(s)
- P S Seethalakshmi
- Department of Microbiology, Pondicherry University, Puducherry 605014, India.
| | - Oliver J Charity
- NIHR Health Protection Research Unit in Healthcare associated infection and AMR, Department of Infectious Disease, Imperial College London, UK.
| | | | - George Seghal Kiran
- Department of Food Science and Technology, Pondicherry University, Puducherry 605014, India
| | - Shiranee Sriskandan
- NIHR Health Protection Research Unit in Healthcare associated infection and AMR, Department of Infectious Disease, Imperial College London, UK; MRC Centre for Molecular Bacteriology & Infection, Imperial College London, UK.
| | | | - Joseph Selvin
- Department of Microbiology, Pondicherry University, Puducherry 605014, India.
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