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Kordjazi M, Bazgir N, Eftekharian K, Farajpour M, Dilmaghani NA. Manifestations of Mucormycosis and Its Complications in COVID-19 Patients: A Case Series Study. EAR, NOSE & THROAT JOURNAL 2024; 103:145S-152S. [PMID: 36583239 PMCID: PMC9805989 DOI: 10.1177/01455613221143859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 11/16/2022] [Accepted: 11/18/2022] [Indexed: 12/31/2022] Open
Abstract
OBJECTIVE Mucormycosis is an opportunistic fungal disease that affects immunocompromised patients. With the advent of SARS-CoV-2, this opportunistic disease has increased. METHODS A case series of 47 patients with COVID-19 associated mucormycosis have been analyzed. Demographic information, signs, symptoms, laboratory investigations, imaging studies, and their association with ICU admission and 30-day mortality were assessed. RESULTS Total number of 47 consecutive rhino-orbital cerebral mucormycosis (ROCM) cases were analyzed. Periorbital swelling was the most common sign among patients. Majority of cases had diabetes. All patients received liposomal Amphotericin B. Debridement was performed for all cases. CONCLUSIONS SARS-CoV-2 increases the susceptibility to mucormycosis infection in various ways. Uncontrolled level of HbA1c in all patients, even non-diabetic individuals, indicates hyperglycemia over the past three months. Diabetes, orbital exenteration, ptosis, periorbital swelling, DKA, LOC, brain involvement, and mechanical ventilation all correlated with a higher rate of ICU admission and 30-day mortality. In addition, a higher white blood cell count is related to the higher probability of ICU admission. While considering all of the inflammatory laboratory data and HbA1c could help predict 30-day mortality.
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Affiliation(s)
- Mohammadsmaeil Kordjazi
- Departmentof Otorhinolaryngology,
Loghman Hakim Educational Hospital, Shahid Beheshti University of Medical
Sciences, Tehran, Iran
| | - Narges Bazgir
- School of Medicine, Shahid Beheshti University of Medical
Sciences, Tehran, Iran
| | - Kourosh Eftekharian
- Department of Otolaryngology, Head
and Neck Surgery, Loghman Hakim Educational Hospital, School of Medicine, Shahid Beheshti University of Medical
Sciences, Tehran, Iran
| | - Mostafa Farajpour
- Depatement of general surgery, Arak University of Medical
Sciences, Arak, Iran
| | - Nader Akbari Dilmaghani
- Department of Otolaryngology, Head
and Neck Surgery, Loghman Hakim Educational Hospital, School of Medicine, Shahid Beheshti University of Medical
Sciences, Tehran, Iran
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2
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Reynolds AS. Neuroinfectious Emergencies. Continuum (Minneap Minn) 2024; 30:757-780. [PMID: 38830070 DOI: 10.1212/con.0000000000001425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2024]
Abstract
OBJECTIVE This article describes nervous system infections and complications that lead to neurologic emergencies. LATEST DEVELOPMENTS New research on the use of dexamethasone in viral and fungal infections is reviewed. The use of advanced MRI techniques to evaluate nervous system infections is discussed. ESSENTIAL POINTS Neurologic infections become emergencies when they lead to a rapid decline in a patient's function. Emergent complications may result from neurologic infections that, if not identified promptly, can lead to permanent deficits or death. These complications include cerebral edema and herniation, spinal cord compression, hydrocephalus, vasculopathy resulting in ischemic stroke, venous thrombosis, intracerebral hemorrhage, status epilepticus, and neuromuscular respiratory weakness.
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3
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Lewis RE. The Impact of Dimitrios P. Kontoyiannis on Mucormycosis Research. J Fungi (Basel) 2024; 10:382. [PMID: 38921367 PMCID: PMC11205125 DOI: 10.3390/jof10060382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2024] [Accepted: 05/23/2024] [Indexed: 06/27/2024] Open
Abstract
Dimitrios P [...].
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Affiliation(s)
- Russell E Lewis
- Department of Molecular Medicine, University of Padua, 35121 Padova, Italy
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4
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Nair MG, Sankhe S, Autkar G. COVID-19-Associated Rhino-Orbito-Cerebral Mucormycosis: A Single Tertiary Care Center Experience of Imaging Findings With a Special Focus on Intracranial Manifestations and Pathways of Intracranial Spread. Cureus 2024; 16:e57441. [PMID: 38699084 PMCID: PMC11064103 DOI: 10.7759/cureus.57441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/02/2024] [Indexed: 05/05/2024] Open
Abstract
Background and objective The COVID-19 pandemic and mucormycosis epidemic in India made research on the radiological findings of COVID-19-associated mucormycosis imperative. This study aims to describe the imaging findings in COVID-19-associated mucormycosis, with a special focus on the intracranial manifestations. Methodology Magnetic resonance imaging (MRI) scans of all patients with laboratory-proven mucormycosis and post-COVID-19 status, for two months, at an Indian Tertiary Care Referral Centre, were retrospectively reviewed, and descriptive statistical analysis was carried out. Results A total of 58 patients (47 men, 81%, and 11 women, 19%) were evaluated. Deranged blood glucose levels were observed in 47 (81%) cases. The intracranial invasion was detected in 31 (53.4%) patients. The most common finding in cases with intracranial invasion was pachymeningeal enhancement (28/31, 90.3%). This was followed by infarcts (17/31, 55%), cavernous sinus thrombosis (11/58, 18.9%), fungal abscesses (11/31, 35.4%), and intracranial hemorrhage (5/31, 16.1% cases). The perineural spread was observed in 21.6% (11/51) cases. Orbital findings included extraconal fat and muscle involvement, intraconal involvement, orbital apicitis, optic neuritis, panophthalmitis, and orbital abscess formation in decreasing order of frequency. Cohen's kappa coefficient of interrater reliability for optic nerve involvement and cavernous sinus thrombosis was 0.7. Cohen's coefficient for all other findings was 0.8-0.9. Conclusions COVID-19-associated rhino-orbito-cerebral mucormycosis has a plethora of orbital and intracranial manifestations. MRI, with its superior soft-tissue resolution and high interrater reliability, as elucidated in this study, is the imaging modality of choice for expediting the initial diagnosis, accurately mapping out disease extent, and promptly identifying and scrupulously managing its complications.
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Affiliation(s)
- Megha G Nair
- Department of Radiodiagnosis, Seth Gordhandas Sunderdas Medical College (GSMC) King Edward Memorial (KEM) Hospital, Mumbai, IND
| | - Shilpa Sankhe
- Department of Radiodiagnosis, Seth Gordhandas Sunderdas Medical College (GSMC) King Edward Memorial (KEM) Hospital, Mumbai, IND
| | - Gayatri Autkar
- Department of Radiodiagnosis, Seth Gordhandas Sunderdas Medical College (GSMC) King Edward Memorial (KEM) Hospital, Mumbai, IND
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Lamoth F, Prakash K, Beigelman-Aubry C, Baddley JW. Lung and sinus fungal infection imaging in immunocompromised patients. Clin Microbiol Infect 2024; 30:296-305. [PMID: 37604274 DOI: 10.1016/j.cmi.2023.08.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 08/06/2023] [Accepted: 08/13/2023] [Indexed: 08/23/2023]
Abstract
BACKGROUND Imaging is a key diagnostic modality for suspected invasive pulmonary or sinus fungal disease and may help to direct testing and treatment. Fungal diagnostic guidelines have been developed and emphasize the role of imaging in this setting. We review and summarize evidence regarding imaging for fungal pulmonary and sinus disease (in particular invasive aspergillosis, mucormycosis and pneumocystosis) in immunocompromised patients. OBJECTIVES We reviewed data on imaging modalities and findings used for diagnosis of invasive fungal pulmonary and sinus disease. SOURCES References for this review were identified by searches of PubMed, Google Scholar, Embase and Web of Science through 1 April 1 2023. CONTENT Computed tomography imaging is the method of choice for the evaluation of suspected lung or sinus fungal disease. Although no computed tomography radiologic pattern is pathognomonic of pulmonary invasive fungal disease (IFD) the halo sign firstly suggests an angio-invasive pulmonary aspergillosis while the Reversed Halo Sign is more suggestive of pulmonary mucormycosis in an appropriate clinical setting. The air crescent sign is uncommon, occurring in the later stages of invasive aspergillosis in neutropenic patients. In contrast, new cavitary lesions should suggest IFD in moderately immunocompromised patients. Regarding sinus site, bony erosion, peri-antral fat or septal ulceration are reasonably predictive of IFD. IMPLICATIONS Imaging assessment of the lung and sinuses is an important component of the diagnostic work-up and management of IFD in immunocompromised patients. However, radiological features signs have sensitivity and specificity that often vary according to underlying disease states. Periodic review of imaging studies and diagnostic guidelines characterizing imaging findings may help clinicians to consider fungal infections in clinical care thereby leading to an earlier confirmation and treatment of IFD.
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Affiliation(s)
- Frederic Lamoth
- Service of Infectious Diseases, Department of Medicine, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland; Institute of Microbiology, Department of Laboratory Medicine and Microbiology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Katya Prakash
- Division of Infectious Diseases, Institute of Human Virology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Catherine Beigelman-Aubry
- Radiodiagnostic and Interventional Radiology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - John W Baddley
- Division of Infectious Diseases, Institute of Human Virology, University of Maryland School of Medicine, Baltimore, MD, USA.
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Pintye A, Bacsó R, Kovács GM. Trans-kingdom fungal pathogens infecting both plants and humans, and the problem of azole fungicide resistance. Front Microbiol 2024; 15:1354757. [PMID: 38410389 PMCID: PMC10896089 DOI: 10.3389/fmicb.2024.1354757] [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] [Received: 12/12/2023] [Accepted: 01/23/2024] [Indexed: 02/28/2024] Open
Abstract
Azole antifungals are abundantly used in the environment and play an important role in managing fungal diseases in clinics. Due to the widespread use, azole resistance is an emerging global problem for all applications in several fungal species, including trans-kingdom pathogens, capable of infecting plants and humans. Azoles used in agriculture and clinics share the mode of action and facilitating cross-resistance development. The extensive use of azoles in the environment, e.g., for plant protection and wood preservation, contributes to the spread of resistant populations and challenges using these antifungals in medical treatments. The target of azoles is the cytochrome p450 lanosterol 14-α demethylase encoded by the CYP51 (called also as ERG11 in the case of yeasts) gene. Resistance mechanisms involve mainly the mutations in the coding region in the CYP51 gene, resulting in the inadequate binding of azoles to the encoded Cyp51 protein, or mutations in the promoter region causing overexpression of the protein. The World Health Organization (WHO) has issued the first fungal priority pathogens list (FPPL) to raise awareness of the risk of fungal infections and the increasingly rapid spread of antifungal resistance. Here, we review the main issues about the azole antifungal resistance of trans-kingdom pathogenic fungi with the ability to cause serious human infections and included in the WHO FPPL. Methods for the identification of these species and detection of resistance are summarized, highlighting the importance of these issues to apply the proper treatment.
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Affiliation(s)
- Alexandra Pintye
- Centre for Agricultural Research, Plant Protection Institute, HUN-REN, Budapest, Hungary
- Department of Plant Anatomy, Institute of Biology, Eötvös Loránd University, Budapest, Hungary
| | - Renáta Bacsó
- Centre for Agricultural Research, Plant Protection Institute, HUN-REN, Budapest, Hungary
| | - Gábor M. Kovács
- Centre for Agricultural Research, Plant Protection Institute, HUN-REN, Budapest, Hungary
- Department of Plant Anatomy, Institute of Biology, Eötvös Loránd University, Budapest, Hungary
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Nidhin Das K, Sharma V, Gupta D, Tiwari S, Elhence P, Jain V, Soni K, Goyal A. Predicting intracranial involvement: Unveiling perineural spread in COVID-19-associated mucormycosis, a novel phenomenon. Med Mycol 2024; 62:myad135. [PMID: 38130212 DOI: 10.1093/mmy/myad135] [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: 07/07/2023] [Revised: 12/17/2023] [Accepted: 12/20/2023] [Indexed: 12/23/2023] Open
Abstract
This study aimed to investigate the risk factors associated with intracranial involvement in COVID-19-associated mucormycosis (CAM) and to develop a nomogram model for predicting the risk of intracranial involvement, with a specific focus on perineural spread. An ambispective analysis was conducted on 275 CAM patients who received comprehensive treatment. Univariable and multivariable logistic regression analyses were performed to identify independent risk factors, and a nomogram was created based on the results of the multivariable analysis. The performance of the nomogram was evaluated using a receiver operating characteristic (ROC) curve, and the discriminatory capacity was assessed using the area under the curve (AUC). The model's calibration was assessed through a calibration curve and the Hosmer Lemeshow test. In the results, the multivariable logistic regression analysis revealed that age (OR: 1.23, 95% CI 1.06-3.79), HbA1c (OR: 7.168, 95% CI 1.724-25.788), perineural spread (OR: 6.3, 95% CI 1.281-19.874), and the disease stage were independent risk factors for intracranial involvement in CAM. The developed nomogram demonstrated good discriminative capacity with an AUC of 0.821 (95% CI 0.713-0.909) as indicated by the ROC curve. The calibration curve showed that the nomogram was well-calibrated, and the Hosmer Lemeshow test yielded a P-value of 0.992, indicating a good fit for the model. In conclusion, this study found that CAM particularly exhibits perineural spread, which is a predictive factor for intracranial involvement. A nomogram model incorporating age, HbA1c, disease stage, and perineural spread was successfully developed for predicting intracranial involvement in CAM patients in both in-patient and out-patient settings.
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Affiliation(s)
- K Nidhin Das
- Department of Otorhinolaryngology, All India Institute of Medical Sciences, Jodhpur 342005, India
| | - Vidhu Sharma
- Department of Otorhinolaryngology, All India Institute of Medical Sciences, Jodhpur 342005, India
| | - Diksha Gupta
- Department of Otorhinolaryngology, All India Institute of Medical Sciences, Jodhpur 342005, India
| | - Sarbesh Tiwari
- Department of Diagnostic and Interventional Radiology, All India Institute of Medical Sciences, Jodhpur 342005, India
| | - Poonam Elhence
- Department of Pathology and Lab Medicine, All India Institute of Medical Sciences, Jodhpur 342005, India
| | - Vidhi Jain
- Department of Microbiology, All India Institute of Medical Sciences, Jodhpur 342005, India
| | - Kapil Soni
- Department of Otorhinolaryngology, All India Institute of Medical Sciences, Jodhpur 342005, India
| | - Amit Goyal
- Department of Otorhinolaryngology, All India Institute of Medical Sciences, Jodhpur 342005, India
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Verma V, Sarkar D, Moharana B, Singh P, Noyadu R, Sharma B. Study of rhino-orbital-cerebral mucormycosis and its correlates during COVID-19 pandemic in a tertiary eye care institute of central India. Indian J Ophthalmol 2023; 71:3669-3676. [PMID: 37991302 PMCID: PMC10788766 DOI: 10.4103/ijo.ijo_356_23] [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: 02/05/2023] [Revised: 06/24/2023] [Accepted: 07/03/2023] [Indexed: 11/23/2023] Open
Abstract
PURPOSE To evaluate factors associated with the occurrence of ROCM in COVID-19 patients and to compare its related parameters and outcomes between active and recovered COVID-19 groups. METHODS A total of 35 patients of ROCM associated with COVID-19 (active and post-COVID-19) were included. This is an ambispective study with retrospective medical records review for COVID-19 analysis and prospective assessments of ROCM-associated COVID-19 during the second wave of the COVID-19 pandemic. The demographic data, clinical parameters, and outcome were recorded on MS excel sheet, and various parameters were compared between active and recovered COVID-19 groups. RESULTS ROCM in recovered COVID-19 group was higher (57.1%) as compared to active COVID-19 (42.9%) (P = 1.00). High occurrence of ROCM was seen in those who had a history of hospitalization due to severity of COVID-19 (n 33, 94.28%), oxygen support (77.14), and received systemic steroids (82.9%). The most common comorbidity was diabetes mellitus (82.9%), and new-onset hyperglycemia was noticed in 17.1% of patients. Exenteration (28.6%) was performed in severe cases who had stage IV ROCM, bilateral, and CNS involvement (RR = 7.2, 95% CI: 2.91 to 18.00). The risk of globe exenteration was 1.35 (0.7-2.29) times higher in recovered COVID-19 group, and mortality was 1.76 (0.72-3.36) times higher in active COVID-19 group. CONCLUSION Monitored use of systemic steroids and the prompt management of hyperglycemia in COVID-19 patients are important factors for favorable outcomes with reference to globe salvage and life-saving in ROCM associated with COVID-19. Even recovered COVID-19 patients should be observed for persistent hyperglycemia and occurrence of ROCM.
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Affiliation(s)
- Vidhya Verma
- Department of Ophthalmology, All India Institute of Medical Sciences, Bhopal, Madhya Pradesh, India
| | - Deepayan Sarkar
- Department of Ophthalmology, All India Institute of Medical Sciences, Bhopal, Madhya Pradesh, India
| | - Bruttendu Moharana
- Department of Ophthalmology, All India Institute of Medical Sciences, Bhopal, Madhya Pradesh, India
| | - Priti Singh
- Department of Ophthalmology, All India Institute of Medical Sciences, Bhopal, Madhya Pradesh, India
| | - Richa Noyadu
- Department of Ophthalmology, All India Institute of Medical Sciences, Bhopal, Madhya Pradesh, India
| | - Bhavana Sharma
- Department of Ophthalmology, All India Institute of Medical Sciences, Bhopal, Madhya Pradesh, India
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Pandya HB, Bhad KM, Patel VR, Diwan SR, Dave HM. Rehabilitation of Acquired Maxillary and Mandibular Defects Secondary to Mucormycosis - A Case Series. Ann Maxillofac Surg 2023; 13:228-231. [PMID: 38405574 PMCID: PMC10883218 DOI: 10.4103/ams.ams_79_23] [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: 04/26/2023] [Revised: 09/15/2023] [Accepted: 10/01/2023] [Indexed: 02/27/2024] Open
Abstract
Rationale To suggest a directing algorithm for rehabilitative management of complex soft and hard tissue defects due to mucormycosis. Patient Concerns An utmost need for surgical, reconstructive and rehabilitative options; functional, aesthetic, acceptable to the patient and enduring rehabilitation. Diagnosis Different cases of rhinomaxillary mucormycosis pertaining to the facial skeleton, diagnosed with the help of radiographic as well as fungal cultures. Treatment Thorough medical assessment, and antifungal prescription; followed by surgical resection of the affected areas, rigorous follow-up scheme and later rehabilitation with the help of implants and immediate loading. Outcomes Regular follow-ups for at least one year and successful rehabilitation providing acceptable functional outcomes. Take-away Lessons Unconventional pathologies like rhinomaxillary mucormycosis infecting the jaws require novel, unprecedented and elaborate procedures both surgical and reconstructive based on sound scientific principles. There must be a vision for the rehabilitation of such cases right from the commencement of the surgical treatment.
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Affiliation(s)
- Haren B. Pandya
- Department of Oral and Maxillofacial Surgery, Faculty of Dental Science, Dharmsinh Desai University, Nadiad, Gujarat, India
| | - Kaustubh M. Bhad
- Department of Oral and Maxillofacial Surgery, AMC Dental College, Ahmedabad, Gujarat, India
| | - Vimesh R. Patel
- Department of Oral and Maxillofacial Surgery, Karnavati School of Dentistry, Ahmedabad, Gujarat, India
| | - Shaswat R. Diwan
- Department of Oral and Maxillofacial Surgery, Sparshh and Diwasha Maxillofacial Centre, Ahmedabad, Gujarat, India
| | - Harsh Manoj Dave
- Department of Oral and Maxillofacial Surgery, Faculty of Dental Science, Dharmsinh Desai University, Nadiad, Gujarat, India
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Chakravarty S, Nagarkar NM, Mehta R, Arora R, Ghosh A, Sharma AK, Satpute S, Aggarwal A. Skull Base Involvement in Covid Associated Rhino-Orbital-Cerebral Mucormycosis: A Comprehensive Analysis. Indian J Otolaryngol Head Neck Surg 2023:1-13. [PMID: 37362115 PMCID: PMC10082962 DOI: 10.1007/s12070-023-03717-1] [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] [Received: 07/22/2022] [Accepted: 03/17/2023] [Indexed: 06/28/2023] Open
Abstract
The base of skull forms the first line of barrier to be breached in the transition of rhino-orbito-palatal forms of mucormycosis to intracranial forms with various neurological deficit. The pattern of base of skull erosion has prognostic implications in overall recovery and survival of the patient. The aim of the study was to assess the pattern of skull base involvement in cases of rhino-orbital-cerebral mucormycosis (ROCM) in terms of clinical presentations, radiological findings, intraoperative illustrations and post operative recovery. This is a retrospective single centre study of Covid associated Mucormycosis (CAM) patients with skull base involvement at a tertiary referral centre of central India from May 2021 to October 2021. Amongst a total of 248 patients of CAM, 54 patients with skull base involvement were included in our study. The cases were stratified into basifrontal-BF (15%), basisphenoid-BS (20%), orbital apex-OA (15%), basiocciput-BO (26%), frontal bone osteomyelitis-FBO (22%) and sphenoid bone osteomyelitis-SBO (2%), based on their pattern of involvement of skull base and intracranial spread. Early ethmoid and cribriform plate involvement progressed to frontal lobe abscess while early maxillary disease progressed to developed temporal lobe abscess. The orbital apex lesions had early onset cavernous sinus thrombosis. Analysis of clinical manifestations and postoperative follow up revealed an emerging pattern where Posterosuperior lesions of paranasal sinuses (Ethmoid, roof of maxilla and orbit) progressing to BF, BS, OA, FBO and SBO had poorer treatment outcome than Anteroinferior (Floor of maxillary sinus, palate) based lesions which involved BO of skull base. The inferiorly located diseases had better prognosis, less duration of hospital stay, lesser mortality and decreased need for second surgery. There exists a temporal relation of the initial site of fungal load in sinonasal region to their subsequent intracranial spread. Classification into subtypes helped in disease stratification which helped in prognostication and surgical planning. Early intervention by multidisciplinary team improved survival outcome.
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Affiliation(s)
- Sharmistha Chakravarty
- Department of ENT & Head and Neck Surgery, All India Institute of Medical Sciences, G.E. Road, Tatibandh, Raipur, Chhattisgarh 492099 India
| | - Nitin M. Nagarkar
- Department of ENT & Head and Neck Surgery, All India Institute of Medical Sciences, G.E. Road, Tatibandh, Raipur, Chhattisgarh 492099 India
| | - Rupa Mehta
- Department of ENT & Head and Neck Surgery, All India Institute of Medical Sciences, G.E. Road, Tatibandh, Raipur, Chhattisgarh 492099 India
| | - Ripudaman Arora
- Department of ENT & Head and Neck Surgery, All India Institute of Medical Sciences, G.E. Road, Tatibandh, Raipur, Chhattisgarh 492099 India
| | - Amritava Ghosh
- Department of Endocrinology and Metabolism, All India Institute of Medical Sciences, Raipur, Chhattisgarh India
| | - Anil Kumar Sharma
- Department of Neurosurgery, All India Institute of Medical Sciences, Raipur, Chhattisgarh India
| | - Satish Satpute
- Department of ENT & Head and Neck Surgery, All India Institute of Medical Sciences, G.E. Road, Tatibandh, Raipur, Chhattisgarh 492099 India
| | - Aakash Aggarwal
- Department of ENT & Head and Neck Surgery, All India Institute of Medical Sciences, G.E. Road, Tatibandh, Raipur, Chhattisgarh 492099 India
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Chen CH, Chen JN, Du HG, Guo DL. Isolated cerebral mucormycosis that looks like stroke and brain abscess: A case report and review of the literature. World J Clin Cases 2023; 11:1560-1568. [PMID: 36926404 PMCID: PMC10011993 DOI: 10.12998/wjcc.v11.i7.1560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 01/07/2023] [Accepted: 02/10/2023] [Indexed: 03/02/2023] Open
Abstract
BACKGROUND Cerebral mucormycosis is an infectious disease of the brain caused by fungi of the order Mucorales. These infections are rarely encountered in clinical practice and are often misdiagnosed as cerebral infarction or brain abscess. Increased mortality due to cerebral mucormycosis is closely related to delayed diagnosis and treatment, both of which present unique challenges for clinicians.
CASE SUMMARY Cerebral mucormycosis is generally secondary to sinus disease or other disseminated disease. However, in this retrospective study, we report and analyze a case of isolated cerebral mucormycosis.
CONCLUSION The constellation of symptoms including headaches, fever, hemiplegia, and changes in mental status taken together with clinical findings of cerebral infarction and brain abscess should raise the possibility of a brain fungal infection. Early diagnosis and prompt initiation of antifungal therapy along with surgery can improve patient survival.
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Affiliation(s)
- Cai-Hong Chen
- Department of Neurology, Hangzhou Ninth People's Hospital, Hangzhou 311225, Zhejiang Province, China
| | - Jing-Nan Chen
- Department of Neurosurgery, The Second Affiliated Hospital of Zhejiang University of Traditional Chinese Medicine, Hangzhou 310005, Zhejiang Province, China
| | - Hang-Gen Du
- Department of Neurosurgery, The Second Affiliated Hospital of Zhejiang University of Traditional Chinese Medicine, Hangzhou 310005, Zhejiang Province, China
| | - Dong-Liang Guo
- Department of Neurology, Hangzhou Ninth People's Hospital, Hangzhou 311225, Zhejiang Province, China
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12
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Li CX, Gong ZC, Pataer P, Shao B, Fang C. A retrospective analysis for the management of oromaxillofacial invasive mucormycosis and systematic literature review. BMC Oral Health 2023; 23:115. [PMID: 36810012 PMCID: PMC9942087 DOI: 10.1186/s12903-023-02823-4] [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] [Received: 11/30/2022] [Accepted: 02/17/2023] [Indexed: 02/24/2023] Open
Abstract
PURPOSE Mucormycosis is a type of fatal infectious disease, rarely involved in the oromaxillofacial region. This study aimed to describe a series of 7 cases with oromaxillofacial mucormycosis and to discuss the epidemiology, clinical features, and treatment algorithm thereof. METHODOLOGY Seven patients in the author's affiliation have been treated. They were assessed and presented as per their diagnostic criteria, surgical approach, and mortality rates. Reported cases of mucormycosis originally happened in craniomaxillofacial region were synthesized through a systematic review so as to better discuss its pathogenesis, epidemiology, and management. RESULTS Six patients had a primary metabolic disorder, and one immunocompromised patient had a history of aplastic anemia. The criteria for a positive diagnosis of invasive mucormycosis were based on clinical presentation of signs and symptoms, and a biopsy for microbiological culture and histopathologic analysis. Each patient used antifungal drugs and five of them also underwent surgical resection at the same time. Four patients died due to the unregulated spread of mucormycosis, and one patient died owing to her main disease. CONCLUSIONS Although uncommon in clinical practice setting, mucormycosis should be of great concern in oral and maxillofacial surgery, due to the life-threatening possibility of this disease. The knowledge of early diagnosis and prompt treatment is of utmost importance for saving lives.
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Affiliation(s)
- Chen-xi Li
- grid.412631.3Department of Oral and Maxillofacial Oncology and Surgery, The First Affiliated Hospital of Xinjiang Medical University, School/Hospital of Stomatology, Xinjiang Medical University, Stomatological Research Institute of Xinjiang Uygur Autonomous Region, No.137 Liyushan South Road, Ürümqi, 830054 People’s Republic of China ,grid.33199.310000 0004 0368 7223Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022 People’s Republic of China
| | - Zhong-cheng Gong
- grid.412631.3Department of Oral and Maxillofacial Oncology and Surgery, The First Affiliated Hospital of Xinjiang Medical University, School/Hospital of Stomatology, Xinjiang Medical University, Stomatological Research Institute of Xinjiang Uygur Autonomous Region, No.137 Liyushan South Road, Ürümqi, 830054 People’s Republic of China
| | - Parekejiang Pataer
- grid.412631.3Department of Oral and Maxillofacial Oncology and Surgery, The First Affiliated Hospital of Xinjiang Medical University, School/Hospital of Stomatology, Xinjiang Medical University, Stomatological Research Institute of Xinjiang Uygur Autonomous Region, No.137 Liyushan South Road, Ürümqi, 830054 People’s Republic of China
| | - Bo Shao
- grid.412631.3Department of Oral and Maxillofacial Oncology and Surgery, The First Affiliated Hospital of Xinjiang Medical University, School/Hospital of Stomatology, Xinjiang Medical University, Stomatological Research Institute of Xinjiang Uygur Autonomous Region, No.137 Liyushan South Road, Ürümqi, 830054 People’s Republic of China
| | - Chang Fang
- grid.412631.3Department of Oral and Maxillofacial Oncology and Surgery, The First Affiliated Hospital of Xinjiang Medical University, School/Hospital of Stomatology, Xinjiang Medical University, Stomatological Research Institute of Xinjiang Uygur Autonomous Region, No.137 Liyushan South Road, Ürümqi, 830054 People’s Republic of China
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Najafi MA, Zandifar A, Ramezani N, Paydari H, Kheradmand M, Ansari B, Najafi MR, Hajiahmadi S, Khorvash F, Saadatnia M, Vossough A. Clinical and Neuroimaging Characteristics of Ischemic Stroke in Rhino-Orbito-Cerebral Mucormycosis Associated with COVID-19. Clin Neuroradiol 2022; 33:499-507. [PMID: 36520187 PMCID: PMC9753029 DOI: 10.1007/s00062-022-01238-y] [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] [Received: 06/12/2022] [Accepted: 11/07/2022] [Indexed: 12/23/2022]
Abstract
PURPOSE The aim of this study was to compare clinical, neuroimaging, and laboratory features of rhino-orbito-cerebral mucormycosis (ROCM) in COVID-19 patients with and without ischemic stroke complications. METHODS This observational study was conducted between August and December 2021 and 48 patients who had confirmed ROCM due to COVID-19, according to neuroimaging and histopathology/mycology evidence were included. Brain, orbit and paranasal sinus imaging was performed in all included patients. Data pertaining to clinical, neuroimaging, and laboratory characteristics and risk factors were collected and compared between patients with and without ischemic stroke complications. RESULTS Of the patients 17 were diagnosed with ischemic stroke. Watershed infarction was the most common pattern (N = 13, 76.4%). Prevalence of conventional risk factors of stroke showed no significant differences between groups (patients with stroke vs. without stroke). Cavernous sinus (p = 0.001, odds ratio, OR = 12.8, 95% confidence interval, CI: 2.3-72) and ICA (p < 0.001, OR = 16.31, 95%CI: 2.91-91.14) involvement was more common in patients with stroke. Internal carotid artery (ICA) size (on the affected side) in patients with ischemic stroke was significantly smaller than in patients without stroke (median = 2.4 mm, interquartile range, IQR: 1.3-4 vs. 3.8 mm, IQR: 3.2-4.3, p = 0.004). Superior ophthalmic vein (SOV) size (on the affected side) in patients with stroke was significantly larger than patients without stroke (2.2 mm, IQR: 1.5-2.5 vs. 1.45 mm IQR: 1.1-1.8, p = 0.019). Involvement of the ethmoid and frontal sinuses were higher in patients with stroke (p = 0.007, OR = 1.85, 95% CI: 1.37-2.49 and p = 0.011, OR = 5, 95% CI: 1.4-18.2, respectively). Patients with stroke had higher D‑dimer levels, WBC counts, neutrophil/lymphocyte ratios, and BUN/Cr ratio (all p < 0.05). CONCLUSION Stroke-related ROCM was not associated with conventional ischemic stroke risk factors. Neuroimaging investigations including qualitative and quantitative parameters of cavernous sinus, ICA and SOV are useful to better understand the mechanism of stroke-related ROCM in COVID-19 patients.
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Affiliation(s)
- Mohammad Amin Najafi
- Isfahan Neurosciences Research Center, Department of Neurology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Alireza Zandifar
- Department of Radiology, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Neda Ramezani
- Isfahan Neurosciences Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Hanie Paydari
- Isfahan Neurosciences Research Center, Department of Neurology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohsen Kheradmand
- Isfahan Neurosciences Research Center, Department of Neurology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Behnaz Ansari
- Isfahan Neurosciences Research Center, Department of Neurology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohammad Reza Najafi
- Isfahan Neurosciences Research Center, Department of Neurology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Somayeh Hajiahmadi
- Department of Radiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.
- Division of Neuroradiology, Department of Radiology, Alzahra Hospital, Isfahan University of Medical Sciences, Hezar Jarib Street, Isfahan, Iran.
| | - Fariborz Khorvash
- Isfahan Neurosciences Research Center, Department of Neurology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohammad Saadatnia
- Isfahan Neurosciences Research Center, Department of Neurology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Arastoo Vossough
- Department of Radiology, Children's Hospital of Philadelphia, Philadelphia, PA, USA
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14
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Sachan S, Suvirya S, Yadav K, Gupta P, Saraswat A, Verma P, Chandra U, Singh BP, Chaudhary SC, Dwivedi DK, Garg RK, Singhai A, Malhotra KP, Parihar A, Kumar S. Mucocutaneous manifestations of COVID-19-associated mucormycosis: A retrospective cross-sectional study. Indian J Dermatol Venereol Leprol 2022:1-14. [PMID: 36688884 DOI: 10.25259/ijdvl_277_2022] [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: 03/01/2022] [Accepted: 08/01/2022] [Indexed: 12/15/2022]
Abstract
Background Cutaneous mucormycosis has shown a significant upsurge during the COVID-19 pandemic. Due to the rapid progression and high mortality of cutaneous mucormycosis in this context, it is important to identify it early. However, very few studies report detailed clinical descriptions of cutaneous mucormycosis in COVID-19 patients. Objectives To describe mucocutaneous lesions of COVID-19-associated mucormycosis based on clinical morphology and attempt to correlate them with radiological changes. Methods A retrospective cross-sectional study was conducted at a tertiary care centre from 1st April to 31st July 2021. Eligibility criteria included hospitalised adult patients of COVID-19-associated mucormycosis with mucocutaneous lesions. Results All subjects were recently recovering COVID-19 patients diagnosed with cutaneous mucormycosis. One of fifty-three (2%) patients had primary cutaneous mucormycosis, and all of the rest had secondary cutaneous mucormycosis. Secondary cutaneous mucormycosis lesions presented as cutaneous-abscess in 25/52 (48%), nodulo-pustular lesions in 1/52 (2%), necrotic eschar in 1/52 (2%) and ulcero-necrotic in 1/52 (2%). Mucosal lesions were of three broad sub-types: ulcero-necrotic in 1/52 (2%), pustular in 2/52 (4%) and plaques in 1/52 (2%). Twenty out of fifty-two patients (38%) presented with simultaneous mucosal and cutaneous lesions belonging to the above categories. Magnetic resonance imaging of the face showed variable features of cutaneous and subcutaneous tissue involvement, viz. peripherally enhancing collection in the abscess group, "dot in circle sign" and heterogeneous contrast enhancement in the nodulo-pustular group; and fat stranding with infiltration of subcutaneous tissue in cases with necrotic eschar and ulcero-necrotic lesions. Limitations The morphological variety of cutaneous mucormycosis patients in a single-centre study like ours might not be very precise. Thus, there is a need to conduct multi-centric prospective studies with larger sample sizes in the future to substantiate our morphological and radiological findings. Conclusions COVID-19-associated mucormycosis patients in our study presented with a few specific types of mucocutaneous manifestations, with distinct magnetic resonance imaging findings. If corroborated by larger studies, these observations would be helpful in the early diagnosis of this serious illness.
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Affiliation(s)
- Sonal Sachan
- Department of Dermatology, Venereology and Leprosy, Hind Institute of Medical Sciences, Barabanki, Uttar Pradesh, India
| | - Swastika Suvirya
- Department of Dermatology, Venereology and Leprosy, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Krishna Yadav
- Department of Radiodiagnosis, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Prashant Gupta
- Department of Microbiology, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Abir Saraswat
- Department of Dermatology, Indushree Skin Clinic, Lucknow, Uttar Pradesh, India
| | - Parul Verma
- Department of Dermatology, Venereology and Leprosy, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Usha Chandra
- Department of Dermatology, Venereology and Leprosy, Lala Lajpat Rai Memorial Medical College, Meerut, Uttar Pradesh, India
| | - Balendra Pratap Singh
- Department of Prosthodontics, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Shyam Chand Chaudhary
- Department of Medicine, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Durgesh Kumar Dwivedi
- Department of Radiodiagnosis, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Ravindra Kumar Garg
- Department of Neurology, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Atin Singhai
- Department of Pathology, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Kiran Preet Malhotra
- Department of Pathology, Dr. Ram Manohar Lohia Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Anit Parihar
- Department of Radiodiagnosis, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Saurabh Kumar
- Department of Radiodiagnosis, King George's Medical University, Lucknow, Uttar Pradesh, India
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15
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Agrawal A, Tripathi PS, Shukla P, Nigam P, Kheti P. Intracranial manifestations of rhinocerebral mucormycosis: a pictorial essay. THE EGYPTIAN JOURNAL OF RADIOLOGY AND NUCLEAR MEDICINE 2022. [PMCID: PMC9002219 DOI: 10.1186/s43055-022-00765-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Rhinocerebral mucormycosis has emerged as a common coinfection in coronavirus disease 2019 (COVID-19) patients during the convalescence period. Frequent spread of disease from sinonasal mucosa to bone, neck spaces, orbit, and brain occurs along the perivascular/perineural routes or through direct invasion. Brain involvement represents severe manifestation and is often associated with poor functional outcomes and high mortality rates. Magnetic resonance imaging (MRI) is the modality of choice for the intracranial assessment of disease severity in mucormycosis. Early and accurate identification of intracranial extension is imperative to improve survival rates. With this pictorial essay, we aim to familiarize the readers with the cross-sectional imaging features of intracranial complications of mucormycosis. The radiological details in this essay should serve as a broad checklist for radiologists and clinicians while dealing with this fulminant infection.
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16
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Chauhan NK, Agarwal A, Dutt N, Yadav T, Kochar R. Pulmonary embolism and gastric bleed with disseminated mucormycosis - treading dangerous waters. Monaldi Arch Chest Dis 2022. [DOI: 10.4081/monaldi.2022.2418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 10/28/2022] [Indexed: 11/27/2022] Open
Abstract
Mucormycosis is an opportunistic infection seen in immunocompromised patients or in surgical and trauma settings with Mucorales wound contamination. In immunocompetent people, disseminated mucormycosis is uncommon. To ensure survival, patients with mucormycosis require early diagnosis and aggressive treatment using a multi-modality approach. We present a case of disseminated mucormycosis in an immunocompetent patient who also had pulmonary embolism and gastrointestinal bleeding. A recent severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, identified retrospectively by a positive IgM against SARS-CoV-2, was the only risk factor present. This report emphasizes the increased risk of mucormycosis and thromboembolic complications following a recent SARS-CoV-2 infection, as well as its successful treatment with medical therapy alone.
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17
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Pandey S, Malhotra HS, Garg RK, Sharma K, Rizvi I, Kumar S, Kumar N, Uniyal R, Sharma PK, Gupta P, Jain A, Reddy DH. Determinants of stroke in patients with rhino cerebral mucormycosis seen during the second wave of COVID-19 pandemic: A prospective cohort study. J Infect Public Health 2022; 15:1265-1269. [PMID: 36272391 PMCID: PMC9557112 DOI: 10.1016/j.jiph.2022.10.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 09/26/2022] [Accepted: 10/05/2022] [Indexed: 11/21/2022] Open
Abstract
BACKGROUND Rhino cerebral mucormycosis is an uncommon opportunistic infection of the nasal sinuses and brain, and a group of saprophytic fungi causes it. During the second wave of COVID-19, India witnessed an unprecedented number of patients with rhino cerebral mucormycosis. Invasion of the cavernous sinus and occlusion of the internal carotid artery in many cases resulted in a stroke. The study aimed to assess the clinical and neuroimaging predictors of stroke in patients with rhino cerebral mucormycosis. We also evaluated the predictors of death in these patients at 90 days. METHODS A prospective study was performed at a tertiary care centre in India between July 2021 and September 2021. We enrolled consecutive microbiologically confirmed patients of rhino cerebral mucormycosis. All patients underwent neuroimaging of the brain. Treatment comprised of anti-fungal drugs and endoscopic nasal/sinus debridement. We followed the patients for 90 days and assessed the predictors of stroke and mortality RESULTS: Forty-four patients with rhino cerebral mucormycosis were enrolled. At inclusion, in 24 patients, the RT-PCR test for SARS-COV-2 was negative. Diabetes mellitus was the most frequent (72.7 %) underlying risk factor; in most, diabetes mellitus was recently discovered. At inclusion or subsequent follow-up, stroke was seen in 11 (25 %) patients. Only seven patients had hemiparesis. Imaging revealed internal carotid artery occlusion in 17 (38.6 %) patients. Hypertension, corticosteroid use, and cavernous sinus thrombosis were independent predictors of stroke. Nine (20.5 %) died during follow-up, and stroke was an independent predictor of death. CONCLUSION Stroke indicated poor prognosis among rhino cerebral mucormycosis patients encountered during the second wave of the COVID-19 epidemic.
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Affiliation(s)
- Shweta Pandey
- Department of neurology, King George's Medical University, Lucknow, Uttar Pradesh, India.
| | - Hardeep Singh Malhotra
- Department of neurology, King George's Medical University, Lucknow, Uttar Pradesh, India.
| | - Ravindra Kumar Garg
- Department of neurology, King George's Medical University, Lucknow, Uttar Pradesh, India.
| | - Kamini Sharma
- Department of neurology, King George's Medical University, Lucknow, Uttar Pradesh, India.
| | - Imran Rizvi
- Department of neurology, King George's Medical University, Lucknow, Uttar Pradesh, India.
| | - Sukriti Kumar
- Department of Radiodiagnosis, King George's Medical University, Lucknow, Uttar Pradesh, India.
| | - Neeraj Kumar
- Department of neurology, King George's Medical University, Lucknow, Uttar Pradesh, India.
| | - Ravi Uniyal
- Department of neurology, King George's Medical University, Lucknow, Uttar Pradesh, India.
| | - Praveen Kumar Sharma
- Department of neurology, King George's Medical University, Lucknow, Uttar Pradesh, India.
| | - Prashant Gupta
- Department of Microbiology, King George's Medical University, Lucknow, Uttar Pradesh, India.
| | - Amita Jain
- Department of Microbiology, King George's Medical University, Lucknow, Uttar Pradesh, India.
| | - D Himanshu Reddy
- Department of Internal Medicine, King George's Medical University, Lucknow, Uttar Pradesh, India.
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18
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Reyes EY, Shinohara ML. Host immune responses in the central nervous system during fungal infections. Immunol Rev 2022; 311:50-74. [PMID: 35672656 PMCID: PMC9489659 DOI: 10.1111/imr.13101] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Revised: 04/24/2022] [Accepted: 05/18/2022] [Indexed: 12/19/2023]
Abstract
Fungal infections in the central nervous system (CNS) cause high morbidity and mortality. The frequency of CNS mycosis has increased over the last two decades as more individuals go through immunocompromised conditions for various reasons. Nevertheless, options for clinical interventions for CNS mycoses are still limited. Thus, there is an urgent need to understand the host-pathogen interaction mechanisms in CNS mycoses for developing novel treatments. Although the CNS has been regarded as an immune-privileged site, recent studies demonstrate the critical involvement of immune responses elicited by CNS-resident and CNS-infiltrated cells during fungal infections. In this review, we discuss mechanisms of fungal invasion in the CNS, fungal pathogen detection by CNS-resident cells (microglia, astrocytes, oligodendrocytes, neurons), roles of CNS-infiltrated leukocytes, and host immune responses. We consider that understanding host immune responses in the CNS is crucial for endeavors to develop treatments for CNS mycosis.
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Affiliation(s)
- Estefany Y. Reyes
- Department of Immunology, Duke University School of Medicine, Durham, NC 27705, USA
| | - Mari L. Shinohara
- Department of Immunology, Duke University School of Medicine, Durham, NC 27705, USA
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC 27705, USA
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19
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From Bilateral Periorbital Necrotic Wound to Fungal Brain Abscess: A Complicated Case of COVID-19-Associated Mucormycosis. Case Rep Infect Dis 2022; 2022:3821492. [PMID: 36003924 PMCID: PMC9393194 DOI: 10.1155/2022/3821492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 07/18/2022] [Indexed: 11/18/2022] Open
Abstract
COVID-19-associated mucormycosis (CAM) is categorized as rhinocerebral-orbital (RCOM), pulmonary, gastrointestinal, cutaneous, and disseminated mucormycosis. An alarming surge in morbidity and mortality attributed to mucormycosis concurrent with coronavirus disease 2019 (COVID-19) has emerged as a cause for concern during the current outbreak of COVID-19. The global incidence of CAM has been attributed to environmental, host, and iatrogenic factors. Further, Mucorales interacting with epithelial cells followed by endothelium invasion are pivotal in developing mucormycosis in patients with COVID-19. In essence, CAM is an emerging condition that requires increased vigilance in all COVID-19 patients, including those who have recovered. In this case report, we describe a rare case of CAM in a 33-year-old immunocompetent man who developed bilateral periocular pain and a small area of cutaneous necrosis in both medial canthi associated with impaired vision, which progressed into a fungal brain abscess formation in the post-COVID period. Furthermore, this case aims to illustrate the potential underlying risk factors of CAM other than known risk factors, especially in immunocompetent individuals.
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20
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Arshad W, Mahmood Kamal M, Rafique Z, Rahat M, Mumtaz H. Case of maxillary actinomycotic osteomyelitis, a rare post COVID complication-case report. Ann Med Surg (Lond) 2022; 80:104242. [PMID: 35936558 PMCID: PMC9339092 DOI: 10.1016/j.amsu.2022.104242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 07/18/2022] [Accepted: 07/20/2022] [Indexed: 11/19/2022] Open
Abstract
Introduction and Importance: Maxillary actinomycosis is a persistent, very rare disease produced by Actinomyces species which may include only soft tissue or bone or the two together. Actinomycotic osteomyelitis of maxilla is very infrequent when compared to mandible. Case presentation Here we are conferring a case of an elderly male patient who had history of COVID-19 infection 4 months ago, with constant complaint of non-remitting vague pain in the region of maxilla with tooth loosening and extractions. He was given a provisional diagnosis of chronic osteomyelitis of maxilla which was later on proved by histopathology as actinomycotic osteomyelitis. Clinical discussion A saprophytic fungus causes mucor mycosis, and it is quite unusual. Strawberry gingivitis is one of the signs and symptoms. Mucormycosis and post-covid oral maxillofacial problems can be improved with early diagnosis. Oral Mucormycosis should be suspected in individuals with weakened immune systems, uncontrolled diabetes or post-covid instances. Surgery and adequate antibiotic treatment are necessary to treat actinomycosis. Infection may return after a period of inactivity, so long-term follow-up is necessary. Conclusion We conclude a positive causal association between COVID-19 and actinomycosis. Maxillary osteomyelitis, a very rare infection, and in our case, the causative organism was Actinomyces Patients who have been infected should be tested for Actinomycin, which may masquerade as a head and neck illness. Osteomyelitis caused by fungus is a potentially fatal opportunistic illness that is extremely rare. The orofacial region is usually affected, particularly the nose and paranasal sinuses. It's a dangerous infection that must be treated right away if it isn't to become fatal. Thrombosis and necrosis of adjacent hard and soft tissues occur as a result of vascular tissue invasion upon inhalation of the pathogen. Infection begins in the nose and paranasal sinuses and progresses to the lungs. We Present an old male patient with history of COVID-19 infection with chronic non-remitting nonspecific discomfort in the region of maxilla with teeth loosening and extractions. Histopathology later revealed that he had actinomycotic osteomyelitis, which was initially diagnosed as chronic maxillary osteomyelitis.
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Affiliation(s)
- Wajiha Arshad
- Consultant Radiologist, KRL Hospital Islamabad, Pakistan
| | | | | | - Manahil Rahat
- Resident Oral Pathology, Armed Forces Institute of Pathology, Pakistan
| | - Hassan Mumtaz
- Clinical Research Associate, Maroof International Hospital Islamabad, Public Health Scholar, Health Services Academy Islamabad, Pakistan
- Corresponding author.
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21
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Imaging spectrum of rhino-orbital-cerebral mucormycosis secondary to COVID-19 infection: a reporting checklist. Pol J Radiol 2022; 87:e333-e347. [PMID: 35892068 PMCID: PMC9288200 DOI: 10.5114/pjr.2022.117647] [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: 08/10/2021] [Accepted: 09/23/2021] [Indexed: 11/17/2022] Open
Abstract
In recent times, India has been in the midst of a notifiable epidemic of mucormycosis (a rare angio-invasive fungal infection), within the ongoing global coronavirus disease 2019 (COVID-19) pandemic. Epidemiological studies have reported the estimated prevalence of mucormycosis to be around 70 times higher in India as compared to the global data, even in the pre-COVID era. However, in the last 3 months, our city witnessed an unprecedented surge in cases of post-COVID-19-associated rhino-orbital-cerebral (ROC) mucormycosis. This pictorial review aims to illustrate the entire imaging spectrum of mucormycosis in the head-neck-face region. Along with the usual sites (nose, paranasal sinuses, orbits), this disease also involves the skull base, palate, temporal bone, and deep neck spaces. Many cases also demonstrated morbid and, at times, fatal intracranial and neurovascular complications. This review also aims to provide a structured reporting template that will prove useful to the radiologists interpreting imaging studies of ROC mucormycosis.
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22
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Davies GE, Thornton CR. Development of a Monoclonal Antibody and a Serodiagnostic Lateral-Flow Device Specific to Rhizopus arrhizus (Syn. R. oryzae), the Principal Global Agent of Mucormycosis in Humans. J Fungi (Basel) 2022; 8:jof8070756. [PMID: 35887511 PMCID: PMC9325280 DOI: 10.3390/jof8070756] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 07/01/2022] [Accepted: 07/20/2022] [Indexed: 12/04/2022] Open
Abstract
Mucormycosis is a highly aggressive angio-invasive disease of humans caused by fungi in the zygomycete order, Mucorales. Though a number of different species can cause mucormycosis, the principal agent of the disease worldwide is Rhizopus arrhizus, which accounts for the majority of rhino-orbital-cerebral, pulmonary, and disseminated infections in immunocompromised individuals. It is also the main cause of life-threatening infections in patients with poorly controlled diabetes mellitus, and in corticosteroid-treated patients with SARS-CoV-2 infection, where it causes the newly described disease, COVID-19-associated mucormycosis (CAM). Diagnosis currently relies on non-specific CT, a lengthy and insensitive culture from invasive biopsy, and a time-consuming histopathology of tissue samples. At present, there are no rapid antigen tests for the disease that detect biomarkers of infection, and which allow point-of-care diagnosis. Here, we report the development of an IgG1 monoclonal antibody (mAb), KC9, which is specific to Rhizopus arrhizus var. arrhizus (syn. Rhizopus oryzae) and Rhizopus arrhizus var. delemar (Rhizopus delemar), and which binds to a 15 kDa extracellular polysaccharide (EPS) antigen secreted during hyphal growth of the pathogen. Using the mAb, we have developed a competitive lateral-flow device (LFD) that allows rapid (30 min) and sensitive (~50 ng/mL running buffer) detection of the EPS biomarker, and which is compatible with human serum (limit of detection of ~500 ng/mL) and bronchoalveolar lavage fluid (limit of detection of ~100 ng/mL). The LFD, therefore, provides a potential novel opportunity for the non-invasive detection of mucormycosis caused by Rhizopus arrhizus.
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Affiliation(s)
- Genna E. Davies
- ISCA Diagnostics Ltd., B12A, Hatherly Laboratories, Prince of Wales Road, Exeter EX4 4PS, UK;
| | - Christopher R. Thornton
- MRC Centre for Medical Mycology, Geoffrey Pope Building, University of Exeter, Stocker Road, Exeter EX4 4QD, UK
- Correspondence:
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23
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Reghunath A, Ghasi RG, Sharma A, Bagri N, Jain SG. Neuroimaging Findings in COVID-19 Associated Rhino-Orbital-Cerebral Mucormycosis: A Review. Indian J Radiol Imaging 2022; 32:224-234. [PMID: 35924134 PMCID: PMC9340187 DOI: 10.1055/s-0042-1750158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The involvement of the neurological system by coronavirus has been well established. Since its onset, the systemic manifestations of coronavirus disease 2019 (COVID-19) have been evolving rapidly and imaging plays a pivotal role in diagnosing the various primary and secondary effects of the disease. As the pandemic continues to defy human civilization, secondary impacts of the disease and the treatment given to patients afflicted with the disease have stemmed up. Rhino-orbital-cerebral mucormycosis is one such potentially dangerous infection now commonly seen in COVID-19 patients, especially the ones treated with immunosuppressants. Early diagnosis is key for COVID-19-associated mucormycosis (CAM), and radiologists should be well aware of its alarming neurological manifestations from the involvement of parenchyma, meninges, vessels, cranial nerves, and skull base. This review highlights the magnetic resonance imaging features of neuraxial involvement in CAM.
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Affiliation(s)
- Anjuna Reghunath
- Department of Radiodiagnosis, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, India
| | - Rohini Gupta Ghasi
- Department of Radiodiagnosis, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, India
| | - Anuradha Sharma
- Department of Radiodiagnosis, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, India
| | - Neha Bagri
- Department of Radiodiagnosis, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, India
| | - Swarna Gupta Jain
- Department of Radiodiagnosis, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, India
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Sawant A, Nadeem U, Palkhi E. A case of central nervous system mucormycosis in a patient with uncontrolled diabetes mellitus. Clin Med (Lond) 2022; 22 Suppl 4:31. [PMID: 38614573 PMCID: PMC9600815 DOI: 10.7861/clinmed.22-4-s31] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Akhil Sawant
- Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
| | - Umbreen Nadeem
- Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
| | - Ebrahim Palkhi
- Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
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MR imaging spectrum in COVID associated Rhino-Orbito-Cerebral mucormycosis with special emphasis on intracranial disease and impact on patient prognosis. Eur J Radiol 2022; 152:110341. [PMID: 35569303 PMCID: PMC9074238 DOI: 10.1016/j.ejrad.2022.110341] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 04/10/2022] [Accepted: 05/01/2022] [Indexed: 01/31/2023]
Abstract
In the wake of the ongoing Coronavirus Disease 2019 (COVID-19) pandemic, a new epidemic of COVID associated mucormycosis (CAM) emerged in India. Early diagnosis and prompt treatment of this deadly disease are of paramount importance in improving patient survival. MRI is the cornerstone of diagnosis of early extrasinus disease, particularly intracranial complications which have traditionally been associated with a high mortality rate. In this review, we depict the sinonasal, perisinus, orbital and intracranial involvement in CAM. Special emphasis is laid on intracranial disease which is categorized into vascular, parenchymal, meningeal, bony involvement and perineural spread. Vascular complications are the most common form of intracranial involvement. Some unusual yet interesting imaging findings such as nerve abscesses involving the optic, trigeminal and mandibular nerves and long segment vasculitis of the internal carotid artery extending till its cervical segment are also illustrated. In our experience, patient outcome in CAM (survival rate of 88.5%) was better compared to the pre-pandemic era. Presence of intracranial disease also did not affect prognosis as poorly as traditionally expected (survival rate of 82.8%). Involvement of brain parenchyma was the only subset of intracranial involvement that was associated with higher mortality (p value 0.016). The aim of this review is to familiarise the reader with the MR imaging spectrum of CAM with special focus on intracranial complications and a brief account of their impact on patient prognosis in our experience.
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Haro-Reyes T, Díaz-Peralta L, Galván-Hernández A, Rodríguez-López A, Rodríguez-Fragoso L, Ortega-Blake I. Polyene Antibiotics Physical Chemistry and Their Effect on Lipid Membranes; Impacting Biological Processes and Medical Applications. MEMBRANES 2022; 12:membranes12070681. [PMID: 35877884 PMCID: PMC9316096 DOI: 10.3390/membranes12070681] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 06/21/2022] [Accepted: 06/23/2022] [Indexed: 01/27/2023]
Abstract
This review examined a collection of studies regarding the molecular properties of some polyene antibiotic molecules as well as their properties in solution and in particular environmental conditions. We also looked into the proposed mechanism of action of polyenes, where membrane properties play a crucial role. Given the interest in polyene antibiotics as therapeutic agents, we looked into alternative ways of reducing their collateral toxicity, including semi-synthesis of derivatives and new formulations. We follow with studies on the role of membrane structure and, finally, recent developments regarding the most important clinical applications of these compounds.
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Affiliation(s)
- Tammy Haro-Reyes
- Instituto de Ciencias Físicas, Universidad Nacional Autónoma de México, Av. Universidad s/n, Col. Chamilpa, Cuernavaca 62210, Morelos, Mexico; (T.H.-R.); (L.D.-P.); (A.G.-H.)
| | - Lucero Díaz-Peralta
- Instituto de Ciencias Físicas, Universidad Nacional Autónoma de México, Av. Universidad s/n, Col. Chamilpa, Cuernavaca 62210, Morelos, Mexico; (T.H.-R.); (L.D.-P.); (A.G.-H.)
| | - Arturo Galván-Hernández
- Instituto de Ciencias Físicas, Universidad Nacional Autónoma de México, Av. Universidad s/n, Col. Chamilpa, Cuernavaca 62210, Morelos, Mexico; (T.H.-R.); (L.D.-P.); (A.G.-H.)
| | - Anahi Rodríguez-López
- Facultad de Farmacia, Universidad Autónoma del Estado de Morelos, Cuernavaca 62210, Morelos, Mexico; (A.R.-L.); (L.R.-F.)
| | - Lourdes Rodríguez-Fragoso
- Facultad de Farmacia, Universidad Autónoma del Estado de Morelos, Cuernavaca 62210, Morelos, Mexico; (A.R.-L.); (L.R.-F.)
| | - Iván Ortega-Blake
- Instituto de Ciencias Físicas, Universidad Nacional Autónoma de México, Av. Universidad s/n, Col. Chamilpa, Cuernavaca 62210, Morelos, Mexico; (T.H.-R.); (L.D.-P.); (A.G.-H.)
- Correspondence: ; Tel.: +52-77-7329-1762
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Pandit AK, Tangri P, Misra S, Srivastava MVP, Bhatnagar S, Thakar A, Sikka K, Panda S, Vishnu VY, Singh RK, Das A, Radhakrishnan DM, Srivastava AK, Subramaniam R, Trikha A, Agarwal A, Rajan R, Upadhyay V, Parikipandla S, Singh A, Kairo A. Mucormycosis in COVID-19 Patients: A Case-Control Study. Microorganisms 2022; 10:microorganisms10061209. [PMID: 35744726 PMCID: PMC9229175 DOI: 10.3390/microorganisms10061209] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 05/20/2022] [Accepted: 05/23/2022] [Indexed: 01/27/2023] Open
Abstract
(1) Background: During the second wave of COVID-19, India faced a rapid and sudden surge of not only COVID19-delta variant cases but also mucormycosis, making the infection even more fatal. We conducted a study to determine factors associated with the occurrence of mucormycosis in patients with COVID-19. (2) Methods: This case–control study comprised 121 patients; 61 cases (mucormycosis with COVID-19) and 60 controls. Patients were included from April 10, 2021 onwards. Follow-up was conducted after about 90 days and health status was recorded based on the modified Rankin Scale (mRS). (3) Results: Mucormycosis with COVID-19 cases had a median (IQR) age of 49 (43–59) years with 65.6% males and were older (95% CI 1.015–1.075; p = 0.002) than in the control group with median (IQR) 38 (29–55.5) years and 66.6% males. Baseline raised serum creatinine (OR = 4.963; 95% CI 1.456–16.911; p = 0.010) and D-dimer (OR = 1.000; 95% CI 1.000–1.001; p = 0.028) were independently associated with the occurrence of mucormycosis in COVID-19 patients. Additionally, diabetes mellitus (OR = 26.919; 95% CI 1.666–434.892; p = 0.020) was associated with poor outcomes and increased mortality in patients with mucormycosis with COVID-19 as per the multivariable analysis. A total of 30/61 mucormycosis patients had intracranial involvement. (4) Conclusions: The study observed elevated levels of baseline raised creatinine and D-dimer in mucormycosis pa-tients with COVID-19 as compared to the control group. However, future studies may be conducted to establish this cause–effect relationship.
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Affiliation(s)
- Awadh Kishor Pandit
- Department of Neurology, All India Institute of Medical Sciences, New Delhi 110029, India; (P.T.); (S.M.); (M.V.P.S.); (V.Y.V.); (R.K.S.); (A.D.); (D.M.R.); (A.K.S.); (A.A.); (R.R.); (V.U.); (S.P.)
- Correspondence: ; Tel.: +91-11-26594049
| | - Poorvi Tangri
- Department of Neurology, All India Institute of Medical Sciences, New Delhi 110029, India; (P.T.); (S.M.); (M.V.P.S.); (V.Y.V.); (R.K.S.); (A.D.); (D.M.R.); (A.K.S.); (A.A.); (R.R.); (V.U.); (S.P.)
| | - Shubham Misra
- Department of Neurology, All India Institute of Medical Sciences, New Delhi 110029, India; (P.T.); (S.M.); (M.V.P.S.); (V.Y.V.); (R.K.S.); (A.D.); (D.M.R.); (A.K.S.); (A.A.); (R.R.); (V.U.); (S.P.)
| | - Madakasira Vasantha Padma Srivastava
- Department of Neurology, All India Institute of Medical Sciences, New Delhi 110029, India; (P.T.); (S.M.); (M.V.P.S.); (V.Y.V.); (R.K.S.); (A.D.); (D.M.R.); (A.K.S.); (A.A.); (R.R.); (V.U.); (S.P.)
| | - Sushma Bhatnagar
- Department of Onco-Anesthesia, Pain and Palliative Care, All India Institute of Medical Sciences, New Delhi 110029, India;
| | - Alok Thakar
- Department of Otolaryngology and Head-Neck Surgery, All India Institute of Medical Sciences, New Delhi 110029, India; (A.T.); (K.S.); (S.P.); (A.S.); (A.K.)
| | - Kapil Sikka
- Department of Otolaryngology and Head-Neck Surgery, All India Institute of Medical Sciences, New Delhi 110029, India; (A.T.); (K.S.); (S.P.); (A.S.); (A.K.)
| | - Smriti Panda
- Department of Otolaryngology and Head-Neck Surgery, All India Institute of Medical Sciences, New Delhi 110029, India; (A.T.); (K.S.); (S.P.); (A.S.); (A.K.)
| | - Venugopalan Y. Vishnu
- Department of Neurology, All India Institute of Medical Sciences, New Delhi 110029, India; (P.T.); (S.M.); (M.V.P.S.); (V.Y.V.); (R.K.S.); (A.D.); (D.M.R.); (A.K.S.); (A.A.); (R.R.); (V.U.); (S.P.)
| | - Rajesh Kumar Singh
- Department of Neurology, All India Institute of Medical Sciences, New Delhi 110029, India; (P.T.); (S.M.); (M.V.P.S.); (V.Y.V.); (R.K.S.); (A.D.); (D.M.R.); (A.K.S.); (A.A.); (R.R.); (V.U.); (S.P.)
| | - Animesh Das
- Department of Neurology, All India Institute of Medical Sciences, New Delhi 110029, India; (P.T.); (S.M.); (M.V.P.S.); (V.Y.V.); (R.K.S.); (A.D.); (D.M.R.); (A.K.S.); (A.A.); (R.R.); (V.U.); (S.P.)
| | - Divya M. Radhakrishnan
- Department of Neurology, All India Institute of Medical Sciences, New Delhi 110029, India; (P.T.); (S.M.); (M.V.P.S.); (V.Y.V.); (R.K.S.); (A.D.); (D.M.R.); (A.K.S.); (A.A.); (R.R.); (V.U.); (S.P.)
| | - Achal Kumar Srivastava
- Department of Neurology, All India Institute of Medical Sciences, New Delhi 110029, India; (P.T.); (S.M.); (M.V.P.S.); (V.Y.V.); (R.K.S.); (A.D.); (D.M.R.); (A.K.S.); (A.A.); (R.R.); (V.U.); (S.P.)
| | - Rajeshwari Subramaniam
- Department of Anesthesiology, Critical Care and Pain Medicine, All India Institute of Medical Sciences, New Delhi 110029, India; (R.S.); (A.T.)
| | - Anjan Trikha
- Department of Anesthesiology, Critical Care and Pain Medicine, All India Institute of Medical Sciences, New Delhi 110029, India; (R.S.); (A.T.)
| | - Ayush Agarwal
- Department of Neurology, All India Institute of Medical Sciences, New Delhi 110029, India; (P.T.); (S.M.); (M.V.P.S.); (V.Y.V.); (R.K.S.); (A.D.); (D.M.R.); (A.K.S.); (A.A.); (R.R.); (V.U.); (S.P.)
| | - Roopa Rajan
- Department of Neurology, All India Institute of Medical Sciences, New Delhi 110029, India; (P.T.); (S.M.); (M.V.P.S.); (V.Y.V.); (R.K.S.); (A.D.); (D.M.R.); (A.K.S.); (A.A.); (R.R.); (V.U.); (S.P.)
| | - Vibhor Upadhyay
- Department of Neurology, All India Institute of Medical Sciences, New Delhi 110029, India; (P.T.); (S.M.); (M.V.P.S.); (V.Y.V.); (R.K.S.); (A.D.); (D.M.R.); (A.K.S.); (A.A.); (R.R.); (V.U.); (S.P.)
| | - Sathish Parikipandla
- Department of Neurology, All India Institute of Medical Sciences, New Delhi 110029, India; (P.T.); (S.M.); (M.V.P.S.); (V.Y.V.); (R.K.S.); (A.D.); (D.M.R.); (A.K.S.); (A.A.); (R.R.); (V.U.); (S.P.)
| | - Anup Singh
- Department of Otolaryngology and Head-Neck Surgery, All India Institute of Medical Sciences, New Delhi 110029, India; (A.T.); (K.S.); (S.P.); (A.S.); (A.K.)
| | - Arvind Kairo
- Department of Otolaryngology and Head-Neck Surgery, All India Institute of Medical Sciences, New Delhi 110029, India; (A.T.); (K.S.); (S.P.); (A.S.); (A.K.)
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Dong N, Jordan AE, Shen X, Wu X, Guo X, Zhao H, Wang Y, Wang D, Fang Q. Rhino-Orbital Cerebral Mucormycosis in a Patient With Diabetic Ketoacidosis: A Case Report and Literature Review. Front Neurol 2022; 13:815902. [PMID: 35599740 PMCID: PMC9114505 DOI: 10.3389/fneur.2022.815902] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 03/21/2022] [Indexed: 12/14/2022] Open
Abstract
Background Rhino-orbital cerebral mucormycosis (ROCM) is a rare, invasive, and fatal fungal disease. Due to the lack of specific clinical manifestations and adequate auxiliary examinations, patients are easily misdiagnosed in the early stage. Early diagnosis and timely therapy are essential for successful treatment. Case Report We report a 68-year-old man with diabetic ketoacidosis, presented with orbital apex syndrome (OAS), fever, and pansinusitis, which progressively worsened to death only 4 days after admission. It was finally confirmed as a fungal Rhizopus arrhizus infection by metagenomics cell-free DNA next-generation sequencing (mNGS) testing. Conclusion Orbital apex syndrome could be the initial presentation for mucormycosis. Thus, it is necessary to evaluate the presence of mucormycosis in patients with OAS, especially in diabetic or immunosuppressed hosts, and mNGS testing and timely antifungal therapy should be strongly recommended in highly suspected cases.
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Affiliation(s)
- Nan Dong
- Department of Neurology, The First Affiliated Hospital of Soochow University, Suzhou, China
- Department of Neurology, Suzhou Industrial Park Xinghai Hospital, Suzhou, China
| | - Ashly E. Jordan
- Independent Research Epidemiologist, New York, NY, United States
| | - Xiaozhu Shen
- Department of Neurology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Xuan Wu
- Department of Neurology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Xianghong Guo
- Department of Neurology, Suzhou Industrial Park Xinghai Hospital, Suzhou, China
| | - Hongru Zhao
- Department of Neurology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Yajuan Wang
- Genoxor Medical Science and Technology Inc., Shanghai, China
| | - Dapeng Wang
- Department of Neurology, The First Affiliated Hospital of Soochow University, Suzhou, China
- Dapeng Wang
| | - Qi Fang
- Department of Neurology, The First Affiliated Hospital of Soochow University, Suzhou, China
- *Correspondence: Qi Fang
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Beeraka NM, Liu J, Sukocheva O, Sinelnikov MY, Fan R. Antibody responses and CNS pathophysiology of Mucormycosis in Chronic SARS CoV-2 infection: Current Therapies against Mucormycosis. Curr Med Chem 2022; 29:5348-5357. [PMID: 35538800 DOI: 10.2174/0929867329666220430125326] [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: 09/01/2021] [Revised: 02/01/2022] [Accepted: 02/22/2022] [Indexed: 01/08/2023]
Abstract
The incidence rate of opportunistic secondary infections through invasive fungi has been observed to be 14.5% to 27% in the SARS CoV pandemic during the year 2003. But, the incidence of SARS CoV-2 is accompanied by the substantial rise in secondary opportunistic infections like mucormycosis (black fungus) mainly in the immunocompromised individuals, and diabetic patients taking steroids. Substantial rates of COVID-19 cases with mucormycosis were reported in India and other parts of the world. Previous research reports delineated the ability of Mucorales in invading the various tissues like lungs, brain, sinus through the GRP78 and subsequently this infection could invoke crusting, edema, and necrosis of brain parenchyma, ptosis, proptosis, and vision loss due to intraorbital & intracranial complications. Similarities of these pathophysiological complications with already existing diseases are causing clinicians to face several challenges in order to diagnose and treat this disease effectively at the early stage. This minireview depicts the mucormycosis-induced immune, and pathophysiological alterations in COVID-19 patients comorbid with diabetes, immunosuppression, and also reported the various clinical manifestations, and the therapeutic modalities and the failures of anti-fungal vaccines. Therefore, the emerging mucormycosis in COVID-19 patients need a rapid investigation and selective optimization of the effective therapeutic modalities including antifungal vaccines to minimize mortality rate.
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Affiliation(s)
- Narasimha M Beeraka
- Department of Radiation Oncology, Cancer Center, The First Affiliated Hospital of Zhengzhou University,1 Jianshedong Str., Zhengzhou, 450052, China
| | - Junqi Liu
- Department of Radiation Oncology, Cancer Center, The First Affiliated Hospital of Zhengzhou University,1 Jianshedong Str., Zhengzhou, 450052, China
| | - Olga Sukocheva
- Discipline of Health Sciences, College of Nursing and Health Sciences, Flinders University, Bedford Park, South Australia, 5042, Australia
| | - Mikhail Y Sinelnikov
- I.M. Sechenov First Moscow State Medical University (Sechenov University), 8/2 Trubetskaya Street, Moscow, 119991, Russian Federation
| | - Ruitai Fan
- Department of Radiation Oncology, Cancer Center, The First Affiliated Hospital of Zhengzhou University,1 Jianshedong Str., Zhengzhou, 450052, China
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Rudrabhatla PK, Reghukumar A, Thomas SV. Mucormycosis in COVID-19 patients: predisposing factors, prevention and management. Acta Neurol Belg 2022; 122:273-280. [PMID: 34820787 PMCID: PMC8612391 DOI: 10.1007/s13760-021-01840-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 11/05/2021] [Indexed: 12/15/2022]
Abstract
India is considered the diabetes capital of the world and has the highest burden of mucormycosis. Bacterial, viral and fungal co-infections are increasingly being reported in severe acute respiratory syndrome virus 2 (SARSCoV-2) infected patients. India is one of the worst affected countries during the second wave of the COVID-19 pandemic. This combination of diabetes mellitus, COVID-19 and mucormycosis has led to the drastic upsurge of COVID-19-associated mucormycosis (CAM) in India. Immunosuppression, iron disequilibrium, endothelial injury, ketoacidosis and hypoxia are some of the other COVID-19-related risk factors for CAM. There has been an increase in the proportion of mucormycosis affecting paranasal sinuses and central nervous system (CNS) in CAM compared to pre-COVID-19 literature due to the SARSCoV-2-related pathophysiological mechanisms, complications and treatment strategies. CAM is a medical and surgical emergency, and it can present with non-specific symptoms and signs initially resulting in diagnostic delay. High index of suspicion and regular screening for features of CAM are of paramount importance to prevent lethal consequences. Rapid action with a tripod approach consisting of withdrawal of immunomodulators, early antifungal therapy and extensive surgical debridement is considered the best possible treatment model. We review the published data to give a detailed account of the predisposing factors and their mechanisms, diagnostic work-up, treatment modalities and prevention strategies of CAM with special emphasis on CNS mucormycosis.
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Affiliation(s)
- Pavan Kumar Rudrabhatla
- Department of Neurology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, India
| | - Aravind Reghukumar
- Department of Infectious Diseases, Government Medical College, Thiruvananthapuram, India
| | - Sanjeev V. Thomas
- Department of Neurology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, India
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Polo Martínez MA, Campo Jiménez RF, Castrillón Lozano JA. Mucormycosis and COVID-19: manifestations of the central nervous system and the ocular system. Ther Adv Infect Dis 2022; 9:20499361221084844. [PMID: 35295641 PMCID: PMC8918753 DOI: 10.1177/20499361221084844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Michelle Ariana Polo Martínez
- Programa de Medicina, Grupo de Investigación (GINUMED), Corporación Universitaria Rafael Nuñez, Cartagena, ColombiaAsociación de Sociedades Científicas de Estudiantes de Medicina de Colombia (ASCEMCOL), Cali, Colombia
| | - Rita Fernanda Campo Jiménez
- Programa de Medicina, Grupo de Investigación (GINUMED), Corporación Universitaria Rafael Nuñez, Cartagena, ColombiaAsociación de Sociedades Científicas de Estudiantes de Medicina de Colombia (ASCEMCOL), Cali, Colombia
| | - Jorge Andrés Castrillón Lozano
- Facultad de Medicina, Universidad Cooperativa de Colombia, Medellin, ColombiaAsociación de Sociedades Científicas de Estudiantes de Medicina de Colombia (ASCEMCOL), Cali, Colombia
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Samaranayake LP, Fakhruddin KS, Ngo HC, Bandara MHMN, Leung YY. Oro-facial Mycoses in Coronavirus Disease-2019 (COVID-19): A Systematic Review. Int Dent J 2022; 72:607-620. [PMID: 35367044 PMCID: PMC8885299 DOI: 10.1016/j.identj.2022.02.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 02/21/2022] [Accepted: 02/22/2022] [Indexed: 12/22/2022] Open
Abstract
Objectives Studies reviewing orofacial mycoses in coronavirus disease-2019 (COVID-19) caused by severe acute respiratory syndrome 2 (SARS-CoV-2) infection are sparse. Here we review the major oral and maxillofacial mycoses of COVID-19, the associated comorbidities, and the probable precipitating factors. Methods English-language manuscripts published between March 2020 and October 2021 were searched using PubMed, OVID, SCOPUS, and Web of Science databases, using appropriate keywords. Results We identified 30 articles across 14 countries, which met the inclusion criteria of PRISMA guidelines. These yielded a total of 292 patients with laboratory-confirmed COVID-19, 51.4% (n = 150) of whom presented with oral and maxillofacial fungal infections, mainly comprising candidosis, mucormycosis, and aspergillosis. Candida infections were the most prevalent, present in 64% (n = 96), followed by mucormycosis, and only a single case of aspergillosis was noted. Oral and maxillofacial mycoses were predominantly seen in those with comorbidities, especially in those with diabetes (52.4%). Oral mucormycosis was noted in 8.6% (n = 13) and mainly manifested on the hard palate. An overall event rate of oral/maxillofacial mucormycosis manifestation in patients with COVID-19 with diabetes mellitus type 1/2 was about 94% (49/52; 95% confidence interval, 0.73%-0.89%), implying a very high association between diabetes mellitus and the latter condition. All fungal infections appeared either concurrently with COVID-19 symptoms or during the immediate recovery period. Conclusions SARS-CoV-2 infection–related immunosuppression, steroid therapy, as well as comorbidities such as diabetic hyperglycemia appear to be the major predisposing factors for the onset of oral and maxillofacial mycoses in patients with COVID-19 across all age groups.
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Bhat VK, Bongale KR, Basti SP, Gadag RP, Kizhakkilottu N, Sebastian E, Gopalegowda MK, Thammaiah P. Risk factors for palatal and orbital involvement in mucormycosis epidemic-Report of a center in India. Am J Otolaryngol 2022; 43:103371. [PMID: 34995965 DOI: 10.1016/j.amjoto.2021.103371] [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: 12/19/2021] [Accepted: 12/20/2021] [Indexed: 11/01/2022]
Abstract
BACKGROUND Mucormycosis of the nose and paranasal sinuses has emerged as an epidemic following COVID-19 pandemic. The management involves surgical debridement, the extent of which depends on the bulk of the disease. Extension to the orbit and palate depends on the involvement of specific sites in the nose and paranasal sinuses. This study intended to identify those sites. MATERIALS AND METHODS This was a single-center case-control study. There were 3 groups according to the region involved (Palate, orbit and both). The fourth group with neither involvement was the control. Scoring system was used to estimate the bulk of disease according to the site involved in MRI scan. Odds ratio and chi-square tests were used to study risk and association respectively. ROC curve was obtained for the MRI scores of the cases and controls. RESULTS 214 patients were studied in all; 44.39% and 61.68% had palate and orbit involvement, respectively. Maxillary sinus roof had significant association and the highest risk for spread of disease into the palate. The risk for the orbit to be involved was increased when there was disease in the cavernous and sphenoid sinus. For the orbit, the site with the significant association was the ethmoid sinus, infratemporal fossa and roof of the maxillary sinus. CONCLUSION Due attention should be given for clearance during surgical debridement to the high-risk sites to prevent recurrences and reduce morbidity and mortality. MRI scores were most helpful to identify the bulk of disease when both palate and orbit were involved.
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Chavan RP, Ingole SM, Nazir HA, Desai WV, Kanchewad GS. Mucormycosis in COVID-19 pandemic: study at tertiary hospital in India. Eur Arch Otorhinolaryngol 2022; 279:3201-3210. [PMID: 35122509 PMCID: PMC8817651 DOI: 10.1007/s00405-022-07282-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Accepted: 01/21/2022] [Indexed: 02/01/2023]
Abstract
Aim During the second wave of COVID-19, cases of mucormycosis were increased suddenly over a period of 3 months in Maharashtra, India. An attempt was made to study the clinical profile and risk factors associated with mucormycosis. Materials and methods A retrospective descriptive study was carried out at a tertiary hospital during May 2021–July 2021. After obtaining informed written consent from the participants, various details of all participants, such as diabetes mellitus, use of steroids in COVID-19 treatment, use of immunosuppressant drugs, oxygen therapy, use of ventilators, complications that occurred during treatment, etc., were noted. All mucormycosis patients were treated with amphotericin B and aggressive surgical treatment. Results In the present study, 74.7% of mucormycosis patients were male. 77.4% of mucormycosis patients were above 40 years of age. 6.7% of mucormycosis patients were partially vaccinated. Among risk factors, 86.6% had diabetes mellitus, 84% had COVID-19 infection, 44% had received steroids, and 54.7% had received oxygen. 80% of patients were present during and within 1 month of COVID-19 infection. 52% of patients were presented in stage III and 41.3% were presented in stage II. Despite aggressive surgical debridement along with amphotericin B, mortality was 25.33%. 5.3% of patients had brain abscesses, 8% of patients had cavernous sinus thrombosis, 4% of patients had facial nerve palsy and 1.3% of patients had meningitis. Conclusion Mucormycosis was predominantly seen in male above the age of 40 years COVID-19 infection and diabetes mellitus was common risk factor for mucormycosis.
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Affiliation(s)
| | - Shivraj M. Ingole
- Department of Radiology, GGMC and Sir J.J. Group of Hospitals, Mumbai, Maharashtra India
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Mazzai L, Anglani M, Giraudo C, Martucci M, Cester G, Causin F. Imaging features of rhinocerebral mucormycosis: from onset to vascular complications. Acta Radiol 2022; 63:232-244. [PMID: 33615823 DOI: 10.1177/0284185120988828] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Rhinocerebral mucormycosis (RCM) may result in severe intracranial ischemic and hemorrhagic lesions. Both computed tomography (CT) and magnetic resonance imaging (MRI) play an essential role in the diagnosis of RCM, but whereas CT is better for assessing bone erosion, MRI is superior in evaluating soft tissue, intraorbital extension, and in assessing intracranial and vascular invasion. Specific CT and MRI techniques, such as CT angiography or enhanced MR angiography, and more advanced MRI sequences such as gadolinium-3D Black Blood imaging, contribute to the assessment of the extension of vascular invasion.In this pictorial review, we describe specific CT and MRI signs of RCM, mainly focusing on its life-threatening complications due to vascular involvement.
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Affiliation(s)
- Linda Mazzai
- Neuroradiology UOC, Department of Diagnostics, San Bortolo Vicenza Hospital, Vicenza, Italy
| | - Mariagiulia Anglani
- Neuroradiology UOC, Neuroscience Department, Padova University Hospital, Padova, Italy
| | - Chiara Giraudo
- Institute of Radiology, Department of Medicine (DiMED), University of Padova, Padova, Italy
| | - Matia Martucci
- Neuroradiology UOC, Neuroscience Department, Padova University Hospital, Padova, Italy
| | - Giacomo Cester
- Neuroradiology UOC, Neuroscience Department, Padova University Hospital, Padova, Italy
| | - Francesco Causin
- Neuroradiology UOC, Neuroscience Department, Padova University Hospital, Padova, Italy
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Murala S, Nagarajan E, Bollu PC. Infectious Causes of Stroke. J Stroke Cerebrovasc Dis 2022; 31:106274. [PMID: 35093633 DOI: 10.1016/j.jstrokecerebrovasdis.2021.106274] [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: 07/13/2021] [Revised: 12/11/2021] [Accepted: 12/13/2021] [Indexed: 12/15/2022] Open
Abstract
Stroke is one of the primary causes of mortality and morbidity worldwide. It can be ischemic or hemorrhagic, and the former can be due to an in-situ thrombus or a distant embolus. Despite being a rare cause, stroke can also be caused in the setting of infection. Bacterial agents are the most common cause of stroke, among other infectious agents. Until the antibiotic era, rheumatic heart disease was a predisposing risk factor of infective endocarditis. VZV is the most common cause of strokes in pediatric and adult populations. Cryptococcus and Candida spp are the most common yeasts involved in CNS infections, especially in immunocompromised patients. In COVID-19 patients, ischemic strokes are more common than hemorrhagic strokes. In this review, we will discuss the most common infectious agents, with particular emphasis on COVID-19.
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Affiliation(s)
- Sireesha Murala
- Division of Medical Genetics, Department of Pediatrics, Duke University Medical Center, Durham, NC, United States.
| | - Elanagan Nagarajan
- Department of Neurology, Erlanger Health System, University of Tennessee School of Medicine, Chattanooga, TN, United States
| | - Pradeep C Bollu
- Department of Neurology, Prisma Health, Midlands/University of South Carolina School of Medicine, Columbia, SC, United States
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Abd El Megid AGI, AbdelHamid GA, Abd Elbary MES, Ghonimi NAM, Elagrody AI, Abd Elhamed ME. Magnetic resonance imaging features of post-COVID-19 regional and invasive sino-nasal mucormycosis. THE EGYPTIAN JOURNAL OF RADIOLOGY AND NUCLEAR MEDICINE 2022; 53:244. [PMCID: PMC9707082 DOI: 10.1186/s43055-022-00930-w] [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: 08/31/2022] [Accepted: 11/14/2022] [Indexed: 09/01/2023] Open
Abstract
Background Sino-nasal mucormycosis is an opportunistic, invasive fungal disease which has shown a rising trend in the setting of COVID-19. The objective of this study is to document and analyze demographic data, clinical presentation and MR imaging spectra for early detection and management of post-COVID-19 sino-nasal mucormycosis. Results Sixty-two cases of sino-nasal mucormycosis were enrolled in this study; their mean age was 50.65 ± 8.25 years, with significant female predominance. Nine patients (14.5%) had active COVID-19 and 53 (85.5%) were recent COVID-19 cases. Sixty patients have not received COVID-19 vaccine. The mean duration from the initial COVID-19 laboratory confirmation to the detection of sino-nasal mucormycosis was 25.7 +/− 4.6 days. Thirty-five patients (56.5%) were kept in the hospital for COVID management and 4 of them received intensive care unit (ICU) treatment. Twenty-seven patients (43.5%) were treated in home isolation. Corticosteroids were administered in 48 cases (77.4%). Twenty-nine patients (46.8%) had been given oxygen for an average time of 11.2 ± 4.15 days. Diabetes was found in 56 cases (90.3%). The most common clinical symptoms were headache, seen in 52 patients (83.87%). The ethmoid sinus was the most common paranasal sinus involved in our study, seen in 47 cases (75.81%). In 36 cases (58%), multiple sinuses were involved. MRI staging according to the extent of regional involvement. Stage 1 seen in 2 cases (3.23%), stage 2 in 13 cases (20.97%), stage 3 in 35 cases (56.45%) and stage 4 in 12 cases (19.35%). Conclusions MRI shows a spectrum of findings in sino-nasal mucormycosis. Imaging plays a major role in staging and assessing the extent of involvement and complications. In light of this, mortality and morbidity can be dramatically decreased with adequate evaluation and therapy.
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Affiliation(s)
| | - Ghada Adel AbdelHamid
- Radiology Department, Faculty of Medicine, Zagazig University, Zagazig City, Sharkia Governorate Egypt
| | | | - Nesma A. M. Ghonimi
- Neurology Department, Faculty of Medicine, Zagazig University, Zagazig City, Sharkia Governorate Egypt
| | - Ahmed I. Elagrody
- Internal Medicine Department, Faculty of Medicine, Zagazig University, Zagazig City, Sharkia Governorate Egypt
| | - Marwa Elsayed Abd Elhamed
- Radiology Department, Faculty of Medicine, Zagazig University, Zagazig City, Sharkia Governorate Egypt
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Sannathimmappa MB, Nambiar V, Aravindakshan R. Storm of a rare opportunistic life threatening mucormycosis among post COVID-19 patients: A tale of two pathogens. Int J Crit Illn Inj Sci 2022; 12:38-46. [PMID: 35433396 PMCID: PMC9008285 DOI: 10.4103/ijciis.ijciis_48_21] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 07/12/2021] [Accepted: 09/01/2021] [Indexed: 11/22/2022] Open
Abstract
Mucormycosis is a rare but life-threatening opportunistic fungal infection caused by a group of molds that belong to Zygomycetes of the order Mucorales. These fungi are found in the environment such as soil, decaying vegetation, and organic matters. Sporangiospores present in the environment enter the human body through inhalation or direct skin inoculation by trauma or ingestion and result in pulmonary, cutaneous, and gastrointestinal mucormycosis, respectively, in immunocompromised hosts. Patients with uncontrolled diabetes, hematological malignancies, high-dose glucocorticoid therapy, iron overload, and organ transplantation are at high risk of acquiring mucormycosis. The second wave of severe acute respiratory syndrome coronavirus 2 [SARS-CoV-2] affected India severely with the highest number of cases and deaths compared to all other countries. Additionally, the country was affected by emergence of rare but life-threatening mucormycosis. Currently, many coronavirus disease 2019 patients with underlying risk factors such as uncontrolled diabetes, high-dose steroid therapy, and exposure to mechanical ventilation have developed mucormycosis. Inhalation is the most common mode of transmission that results in colonization of sporangiospores in the nose. In immunocompromised host, sporangiospores germinate, and subsequently form hyphae. These hyphae invade into tissues, and produce tissue infarction, necrosis, and thrombosis. Angioinvasion causes hematogenous dissemination to many organs, predominantly to brain, that result in rhino-orbital-cerebral mucormycosis. Clinical characteristics, radio imaging, fungal culture, histopathology, and molecular techniques are the key diagnostic methods. Surgical intervention and aggressive antifungal therapy are the main management strategies. Amphotericin B is the drug of choice for treatment of mucormycosis, whereas posaconazole or isavuconazole is used for step-down therapy and salvage therapy.
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Affiliation(s)
- Mohan Bilikallahalli Sannathimmappa
- Department of Microbiology, College of Medicine and Health Sciences, National University of Science and Technology, Sohar Campus, Andhra Pradesh, India
- Department of Microbiology, National University of Science and Technology, Sohar Campus, Sultanate of Oman
| | - Vinod Nambiar
- Department of Microbiology, College of Medicine and Health Sciences, National University of Science and Technology, Sohar Campus, Andhra Pradesh, India
- Department of Microbiology, National University of Science and Technology, Sohar Campus, Sultanate of Oman
| | - Rajeev Aravindakshan
- Department of Community Medicine, All India Institute of Medical Sciences, Mangalagiri, Andhra Pradesh, India
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Cerebrovascular Involvement in Mucormycosis in COVID-19 Pandemic. J Stroke Cerebrovasc Dis 2021; 31:106231. [PMID: 34890962 PMCID: PMC8606282 DOI: 10.1016/j.jstrokecerebrovasdis.2021.106231] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Revised: 11/14/2021] [Accepted: 11/16/2021] [Indexed: 12/17/2022] Open
Abstract
Background Many countries have seen an unprecedented rise of cases of coronavirus disease 2019 (COVID-19) associated mucormycosis (CAM). Cerebrovascular involvement in CAM has not been studied so far. We describe clinico-radiological manifestations of cerebrovascular complications observed in CAM. Methods In this multicentric retrospective observational study from India, patients with CAM who developed cerebrovascular involvement were studied. Their demographics, risk factors, clinical manifestations, imaging, laboratory profile and outcomes were noted. Results Out of 49 subjects with cerebrovascular involvement, 71.4% were males while average age was 52.9 years. Ischemic stroke was commonest (91.8%) followed by intracranial haemorrhage (6.1%) and subarachnoid haemorrhage (2%). The incidence of cerebrovascular complications in CAM was found to be 11.8% in one center. Cerebrovascular symptoms appeared a median of 8.3 days from the onset of mucormycosis. Commonest presentation of mucormycosis was rhino-orbito-cerebral syndrome in 98%. Diabetes mellitus was present in 81.7%. Forty percent developed stroke despite being on antiplatelet agent and/or heparin. Amongst subjects with ischemic strokes, location of stroke was unilateral anterior circulation (62.2%); bilateral anterior circulation (17.8%); posterior circulation (11.1%) and combined anterior and posterior circulation (8.9%). Vascular imaging revealed intracranial occlusion in 62.1%; extracranial occlusion in 3.4% and normal vessels in 34.5%. Mortality was 51% during hospital stay. Conclusions Cerebrovascular involvement was seen in 11.8% patients of CAM. Angio-invasive nature of the fungus, prothrombotic state created by COVID-19, and diabetes were important causative factors. Subjects with CAM should be screened for involvement of the brain as well as its vessel. Antiplatelet agents/heparin did not seem to provide complete protection from this type of stroke.
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Pai V, Sansi R, Kharche R, Bandili SC, Pai B. Rhino-orbito-cerebral Mucormycosis: Pictorial Review. Insights Imaging 2021; 12:167. [PMID: 34767092 PMCID: PMC8587501 DOI: 10.1186/s13244-021-01109-z] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 10/10/2021] [Indexed: 01/09/2023] Open
Abstract
Mucormycosis (MCR) is a fulminant, potentially lethal, opportunistic fungal infection. Diabetes, immunocompromised states and elevated serum iron levels are the most important risk factors for contracting MCR infection. Recently, MCR co-infections have been observed in patients with COVID-19 disease owing to a complex interplay of metabolic factors and corticosteroid therapy. Rhino-orbito-cerebral mucormycosis (ROCM) is the most common clinical form of MCR infection and refers to infection of the nasal cavities, paranasal sinuses, neck spaces, orbits and intracranial structures. Sinonasal inoculation is typically the primary site of infection; the necrotising and angioinvasive properties of the fungus facilitate its spread into adjacent structures. In this review, we discuss the pertinent mycology and risk factors of MCR infection. The review also aims to acquaint the reader with the cross-sectional imaging appearances of ROCM and its complications. All the cases discussed in this pictorial essay are microbiologically and/or histopathologically proven cases of ROCM with concomitant COVID-19 infection.
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Affiliation(s)
- Vivek Pai
- Department of Radiology, SevenHills Hospital, Mumbai, India
| | - Rima Sansi
- Department of Radiology, SevenHills Hospital, Mumbai, India
| | - Ritesh Kharche
- Department of Histopathology, SevenHills Hospital, Mumbai, India
| | | | - Bhujang Pai
- Department of Radiology, SevenHills Hospital, Mumbai, India
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Pal P, Singh B, Singla S, Kaur R. Mucormycosis in COVID-19 pandemic and its neurovascular spread. Eur Arch Otorhinolaryngol 2021; 279:2965-2972. [PMID: 34637017 PMCID: PMC8506492 DOI: 10.1007/s00405-021-07106-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 09/20/2021] [Indexed: 01/17/2023]
Abstract
PURPOSE Rhinocerebral mucormycosis is a rapidly progressive angioinvasive fungal infection commonly seen in diabetics. In the COVID-19 pandemic we have witnessed a sudden surge in these cases. We aimed to evaluate the disease presentation, patterns of spread, and any association with the COVID-19 virus. METHODS This prospective study was conducted on mucormycosis patients operated between March and July 2021. The diagnosis was confirmed either on KOH staining, fungal culture or histopathological examination. RESULTS Thirty one cases (21 males, 10 females) with a mean age of 53.3 years were included, of which 9 (29.1%) were COVID positive on presentation, 17 (54.8%) were post-COVID, while 5 (16.1%) had radiological evidence of COVID sequelae. Most common symptoms were cheek numbness (87.1%), headache (83.9%), visual disturbances (77.4%), and palate involvement (58.1%). Blackening of turbinates was uncommon (22.6%). Ethmoid sinus was involved in all patients. Pterygopalatine fossa involvement was present in 77.4%, and was accurately diagnosed on contrast enhanced MRI scan. There were 8 (25.8%) deaths, while the remaining are discharged or under treatment. CONCLUSION An increase in the incidence of mucormycosis in the COVID-19 pandemic is probably due to a compromise in host immunity along with a synergistic effect in thrombotic microangiopathy. Spread of infection to the soft tissues of the infratemporal fossa, orbit or palate occur via neurovascular structures rather than by bone erosion. The pterygopalatine fossa is involved in most individuals.
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Affiliation(s)
- Pooja Pal
- Department of Otolaryngology and Head Neck, Sri Guru Ram Das Institute of Health Sciences and Research, Vallah, Amritsar, Punjab India
| | - Bikramjit Singh
- Department of Surgical Oncology, Government Medical College, Amritsar, Punjab India
| | - Sumant Singla
- Department of Otolaryngology and Head Neck, Sri Guru Ram Das Institute of Health Sciences and Research, Vallah, Amritsar, Punjab India
| | - Rupinder Kaur
- Department of Surgical Oncology, Government Medical College, Amritsar, Punjab India
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Kaushik KS, Ananthasivan R, Acharya UV, Rawat S, Patil UD, Shankar B, Jose A. Spectrum of intracranial complications of rhino-orbito-cerebral mucormycosis - resurgence in the era of COVID-19 pandemic: a pictorial essay. Emerg Radiol 2021; 28:1097-1106. [PMID: 34605991 PMCID: PMC8488318 DOI: 10.1007/s10140-021-01987-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 09/10/2021] [Indexed: 11/26/2022]
Abstract
Rhino-orbito-cerebral mucormycosis (ROCM) has regained significance following its resurgence in the second wave of the COVID-19 pandemic in India. Rapid and progressive intracranial spread occurs either by direct extension across the neural foraminae, cribriform plate/ethmoid, walls of sinuses, or angioinvasion. Having known to have a high mortality rate, especially with intracranial extension of disease, it becomes imperative to familiarise oneself with its imaging features. MRI is the imaging modality of choice. This pictorial essay aims to depict and detail the various intracranial complications of mucormycosis and to serve as a broad checklist of structures and pathologies that must be looked for in a known or suspected case of ROCM.
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Affiliation(s)
- Kavya S Kaushik
- Department of Radiology, Manipal Hospitals, 98, HAL Old Airport Road, Kodihalli, Bengaluru, 560017, India
| | - Rupa Ananthasivan
- Department of Radiology, Manipal Hospitals, 98, HAL Old Airport Road, Kodihalli, Bengaluru, 560017, India.
| | - Ullas V Acharya
- Department of Radiology, Manipal Hospitals, 98, HAL Old Airport Road, Kodihalli, Bengaluru, 560017, India
| | - Sudarshan Rawat
- Department of Radiology, Manipal Hospitals, 98, HAL Old Airport Road, Kodihalli, Bengaluru, 560017, India
| | - Uday Damodar Patil
- Department of Radiology, Manipal Hospitals, 98, HAL Old Airport Road, Kodihalli, Bengaluru, 560017, India
| | - Balasubramanyam Shankar
- Department of Radiology, Manipal Hospitals, 98, HAL Old Airport Road, Kodihalli, Bengaluru, 560017, India
| | - Abin Jose
- Department of Radiology, Manipal Hospitals, 98, HAL Old Airport Road, Kodihalli, Bengaluru, 560017, India
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Padma Srivastava MV, Vishnu VY, Pandit AK. Mucormycosis Epidemic and Stroke in India During the COVID-19 Pandemic. Stroke 2021; 52:e622-e623. [PMID: 34525840 DOI: 10.1161/strokeaha.121.036626] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- M V Padma Srivastava
- Department of Neurology, All India Institute of Medical Sciences (AIIMS), New Delhi
| | - Venugopalan Y Vishnu
- Department of Neurology, All India Institute of Medical Sciences (AIIMS), New Delhi
| | - Awadh Kishor Pandit
- Department of Neurology, All India Institute of Medical Sciences (AIIMS), New Delhi
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Diwakar J, Samaddar A, Konar SK, Bhat MD, Manuel E, Hb V, Bn N, Parveen A, Hajira SN, Srinivas D, S N. First report of COVID-19-associated rhino-orbito-cerebral mucormycosis in pediatric patients with type 1 diabetes mellitus. J Mycol Med 2021; 31:101203. [PMID: 34517273 PMCID: PMC8418383 DOI: 10.1016/j.mycmed.2021.101203] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 08/27/2021] [Accepted: 09/01/2021] [Indexed: 12/15/2022]
Abstract
Coronavirus disease 2019 (COVID-19) is a major public health problem worldwide. These patients are at increased risk of developing secondary infections due to a combination of virus- and drug-induced immunosuppression. Recently, several countries have reported an emergence of COVID-19 associated mucormycosis (CAM), particularly among patients with uncontrolled diabetes, with India reporting an alarming increase in rhino-orbito-cerebral mucormycosis (ROCM) in post-COVID cases. Hyperglycemia and diabetic ketoacidosis (DKA) are the major underlying risk factors. So far, case reports and review articles have reported CAM only in adult patients. Here, we describe the first cases of COVID-19-associated ROCM in two pediatric patients with Type 1 diabetes mellitus (DM). Both the cases had asymptomatic infection with SARS-CoV-2 and developed ROCM during the course of treatment of DKA. None of them had exposure to systemic steroids. Imaging findings in both cases revealed involvement of orbit, paranasal sinuses, and brain with cavernous sinus thrombosis. The patients underwent craniotomy with evacuation of abscess. Microbiological and histopathological findings were consistent with the diagnosis of mycormycosis, with fungal culture growing Rhizopus arrhizus. Post-operatively, the patients received liposomal amphotericin B (LAMB) and systemic antibiotics. Retrobulbar injection of LAMB was given in an attempt to halt orbital disease progression. However, it wasn't successful and both of them had to undergo orbital exenteration eventually. ROCM is a rapidly progressive disease and prompt diagnosis with aggressive surgery and timely initiation of antifungal therapy can be life-saving. Physicians should have a high index of suspicion, so as to avoid a delayed diagnosis, particularly in post-COVID patients with uncontrolled diabetes.
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Affiliation(s)
- Jyoti Diwakar
- Department of Neuromicrobiology, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, Karnataka, India
| | - Arghadip Samaddar
- Department of Neuromicrobiology, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, Karnataka, India
| | - Subhas Kanti Konar
- Department of Neurosurgery, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, Karnataka, India
| | - Maya Dattatraya Bhat
- Department of Neuroimaging & Interventional Radiology, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, Karnataka, India
| | - Emma Manuel
- Department of Neuromicrobiology, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, Karnataka, India
| | - Veenakumari Hb
- Department of Neuromicrobiology, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, Karnataka, India
| | - Nandeesh Bn
- Department of Neuropathology, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, Karnataka, India
| | - Asmiya Parveen
- Department of Neuromicrobiology, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, Karnataka, India
| | - Sadiya Noor Hajira
- Department of Neuromicrobiology, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, Karnataka, India
| | - Dwarakanath Srinivas
- Department of Neurosurgery, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, Karnataka, India
| | - Nagarathna S
- Department of Neuromicrobiology, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru, Karnataka, India.
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Kaushal D, Rajan N, Soni K, Sharma A, Choudhury B, Yadav T, Khera P, Gupta P, Kaur N, Goyal A. Reducing mortality in mucormycosis of the head and neck in diabetic patients: A CARE case series. Eur Ann Otorhinolaryngol Head Neck Dis 2021; 139:146-152. [PMID: 34489194 DOI: 10.1016/j.anorl.2021.06.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 05/19/2021] [Accepted: 06/22/2021] [Indexed: 11/03/2022]
Abstract
INTRODUCTION Rhinocerebral mucormycosis is extremely fatal, with mortality rates ranging from 85-93% despite the best treatment in immunocompromised patients. We emphasize the importance of early diagnosis, repeated debridement, and aggressive antifungal treatment to reduce mortality. CASE SUMMARY We report six cases (five male and one female), with a mean age of 51 years who were diagnosed to have mucormycosis from 2017 to 2019. All patients were diabetic. Intracranial involvement and orbital involvement were found in four cases. Facial nerve palsy was seen in two cases, one without any apparent otological involvement. Aggressive serial debridement and amphotericin B was started. Posaconazole was added subsequently to the treatment in two cases. One patient succumbed to the disease five months after discharge. The other five patients are on regular follow-up for a mean duration of 14 months at the end of which two had residual disease which was under control. DISCUSSION Repeated surgical debridement with an early aggressive and combination antifungal therapy can result in good outcomes even in advanced mucormycosis. Concurrent management of the underlying pathology, monitoring of liver and kidney functions, and therapeutic drug monitoring are useful to ensure smooth and effective treatment.
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Affiliation(s)
- D Kaushal
- Department of Otorhinolaryngology, All India Institute of Medical Sciences, 174001 Bilaspur, India.
| | - N Rajan
- Department of Otorhinolaryngology, All India Institute of Medical Sciences, 342005 Jodhpur, India
| | - K Soni
- Department of Otorhinolaryngology, All India Institute of Medical Sciences, 342005 Jodhpur, India
| | - A Sharma
- Department of Microbiology, All India Institute of Medical Sciences, 342005 Jodhpur, India
| | - B Choudhury
- Department of Otorhinolaryngology, All India Institute of Medical Sciences, 342005 Jodhpur, India
| | - T Yadav
- Department of Diagnostic and Interventional Radiology, All India Institute of Medical Sciences, 342005 Jodhpur, India
| | - P Khera
- Department of Diagnostic and Interventional Radiology, All India Institute of Medical Sciences, 342005 Jodhpur, India
| | - P Gupta
- Department of Otorhinolaryngology, All India Institute of Medical Sciences, 342005 Jodhpur, India
| | - N Kaur
- Department of Microbiology, All India Institute of Medical Sciences, 342005 Jodhpur, India
| | - A Goyal
- Department of Otorhinolaryngology, All India Institute of Medical Sciences, 342005 Jodhpur, India
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Surgical management of cavernous sinus mucormycosis through minipterional approach. INTERDISCIPLINARY NEUROSURGERY 2021. [DOI: 10.1016/j.inat.2021.101134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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COVID-19 associated mucormycosis: Staging and management recommendations (Report of a multi-disciplinary expert committee). J Oral Biol Craniofac Res 2021; 11:569-580. [PMID: 34395187 PMCID: PMC8354814 DOI: 10.1016/j.jobcr.2021.08.001] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 07/28/2021] [Accepted: 08/04/2021] [Indexed: 12/26/2022] Open
Abstract
Even before the onslaught of COVID-19 pandemic could settle, the unprecedented rise in cases with COVID-19 associated mucormycosis pushed the medical health to the fringe. Hyperglycaemia and corticosteroids appear to be the most consistent associations leading to the commonest manifestation of mucormycosis, Rhino-Orbito-Cerebral Mucormycosis. To address challenges right from categorisation and staging of the disease to the management of relentless progression, a multi-disciplinary expert committee was formed to handle the task in an evidence-based format to enforce best practices. The report of the committee on one hand attempts to succinctly present the currently available evidence while at the other also attempts to bridge the evidence-deficient gaps with the specialty-specific virtuosity of experts.
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Affiliation(s)
- Sharad Pandey
- Department of Neurosurgery, A.B.V.I.M.S. and Dr Ram Manohar Lohia Hospital, New Delhi, India
| | - Abrar Ahad Wani
- Department of Neurosurgery, S.K.I.M.S. Srinagar, Jammu and Kashmir, India
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Ezeokoli OT, Gcilitshana O, Pohl CH. Risk Factors for Fungal Co-Infections in Critically Ill COVID-19 Patients, with a Focus on Immunosuppressants. J Fungi (Basel) 2021; 7:545. [PMID: 34356924 PMCID: PMC8304654 DOI: 10.3390/jof7070545] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 06/28/2021] [Accepted: 06/29/2021] [Indexed: 12/15/2022] Open
Abstract
Severe cases of coronavirus disease 2019 (COVID-19) managed in the intensive care unit are prone to complications, including secondary infections with opportunistic fungal pathogens. Systemic fungal co-infections in hospitalized COVID-19 patients may exacerbate COVID-19 disease severity, hamper treatment effectiveness and increase mortality. Here, we reiterate the role of fungal co-infections in exacerbating COVID-19 disease severity as well as highlight emerging trends related to fungal disease burden in COVID-19 patients. Furthermore, we provide perspectives on the risk factors for fungal co-infections in hospitalized COVID-19 patients and highlight the potential role of prolonged immunomodulatory treatments in driving fungal co-infections, including COVID-19-associated pulmonary aspergillosis (CAPA), COVID-19-associated candidiasis (CAC) and mucormycosis. We reiterate the need for early diagnosis of suspected COVID-19-associated systemic mycoses in the hospital setting.
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Affiliation(s)
| | | | - Carolina H. Pohl
- Yeast Research Group, Department of Microbiology and Biochemistry, University of the Free State, Bloemfontein 9300, South Africa or (O.T.E.); (O.G.)
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P K, Raj P, Jabeen S, Bn N, Hb V, Kvl NR, M S, Maher G, B B, Chandrashekar N. Clinicomycological overview of brain abscess in a tertiary care center: A 38 year retrospection: Fungal brain abscess. J Mycol Med 2021; 31:101156. [PMID: 34280711 DOI: 10.1016/j.mycmed.2021.101156] [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: 07/16/2019] [Revised: 03/05/2021] [Accepted: 05/10/2021] [Indexed: 10/20/2022]
Abstract
INTRODUCTION Brain abscesses (BA) form approximately 8% of intracranial masses in developing and 1-2% in western countries. Fungal BA (FBA) are aggressive and represent a catastrophic manifestation compared to protozoan and bacterial BA. Diagnosis of FBA is rare and usually done postmortem. OBJECTIVES The present retrospective study analyses the clinico-mycological aspects of FBA presented to our neurosurgical services over a period of 38 years, from January 1979 to April 2017. MATERIALS AND METHODS Patients diagnosed as definitive cases of FBA were included in the study. Clinico- demographic and microbiological data were collected from medical records. BA pus was examined for fungal etiology using standard microbiological procedures. RESULTS During the period of 38 years out of total 2,916 brain abscesses, 29 cases of FBA were diagnosed with an overall incidence rate of 0.99% per year. Cladophialophora bantiana (44%) was the most predominant isolate followed by Aspergillus spp and others. Male preponderance was seen with a male:female ratio of 4.8:1. There was no predilection for any age group. Headache, limb weakness and fever were the most common presentations. Amphotericin B was given in 44.8% of cases. Craniotomy with excision (48.2%) was the predominant surgical management. Outcome was fatal in 62% of the cases. CONCLUSION Neurotropic C. bantiana is the predominant isolate causing fungal brain abscess. The incidence and trends of fungi causing brain abscess do not show significant change. Young immunocompetent outdoor working males were predominantly susceptible to fungal infection. Advance in the diagnostic modalities show promising in diagnosis of FBA. High index of suspicion with early diagnosis, prompt antifungal therapy and aggressive surgical management is required as FBA are associated with high mortality rate.
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Affiliation(s)
- Kruthika P
- Department of Neuromicrobiology, NIMHANS, Bangalore 560029, Karnataka, India
| | - Prabhu Raj
- Department of Neurosurgery, NIMHANS, Bangalore 560029, Karnataka, India
| | - Shumyla Jabeen
- Department of Neuroimaging and interventional radiology, NIMHANS, Bangalore 560029, Karnataka, India
| | - Nandeesh Bn
- Department of Neuropathology, NIMHANS, Bangalore 560029, Karnataka, India
| | - Veenakumari Hb
- Department of Neuromicrobiology, NIMHANS, Bangalore 560029, Karnataka, India
| | - Narasinga Rao Kvl
- Department of Neurosurgery, NIMHANS, Bangalore 560029, Karnataka, India
| | - Sandhya M
- Department of Neuroimaging and interventional radiology, NIMHANS, Bangalore 560029, Karnataka, India
| | - Ganesh Maher
- Department of Neuromicrobiology, NIMHANS, Bangalore 560029, Karnataka, India
| | - Binukumar B
- Department of Biostatistics, NIMHANS, Bangalore 560029, Karnataka, India
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