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Gamaletsou MN, Rammaert B, Brause B, Bueno MA, Dadwal SS, Henry MW, Katragkou A, Kontoyiannis DP, McCarthy MW, Miller AO, Moriyama B, Pana ZD, Petraitiene R, Petraitis V, Roilides E, Sarkis JP, Simitsopoulou M, Sipsas NV, Taj-Aldeen SJ, Zeller V, Lortholary O, Walsh TJ. Osteoarticular Mycoses. Clin Microbiol Rev 2022; 35:e0008619. [PMID: 36448782 PMCID: PMC9769674 DOI: 10.1128/cmr.00086-19] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Osteoarticular mycoses are chronic debilitating infections that require extended courses of antifungal therapy and may warrant expert surgical intervention. As there has been no comprehensive review of these diseases, the International Consortium for Osteoarticular Mycoses prepared a definitive treatise for this important class of infections. Among the etiologies of osteoarticular mycoses are Candida spp., Aspergillus spp., Mucorales, dematiaceous fungi, non-Aspergillus hyaline molds, and endemic mycoses, including those caused by Histoplasma capsulatum, Blastomyces dermatitidis, and Coccidioides species. This review analyzes the history, epidemiology, pathogenesis, clinical manifestations, diagnostic approaches, inflammatory biomarkers, diagnostic imaging modalities, treatments, and outcomes of osteomyelitis and septic arthritis caused by these organisms. Candida osteomyelitis and Candida arthritis are associated with greater events of hematogenous dissemination than those of most other osteoarticular mycoses. Traumatic inoculation is more commonly associated with osteoarticular mycoses caused by Aspergillus and non-Aspergillus molds. Synovial fluid cultures are highly sensitive in the detection of Candida and Aspergillus arthritis. Relapsed infection, particularly in Candida arthritis, may develop in relation to an inadequate duration of therapy. Overall mortality reflects survival from disseminated infection and underlying host factors.
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Affiliation(s)
- Maria N. Gamaletsou
- Laiko General Hospital of Athens and Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Blandine Rammaert
- Université de Poitiers, Faculté de médecine, CHU de Poitiers, INSERM U1070, Poitiers, France
| | - Barry Brause
- Hospital for Special Surgery, Weill Cornell Medicine, New York, New York, USA
| | - Marimelle A. Bueno
- Far Eastern University-Dr. Nicanor Reyes Medical Foundation, Manilla, Philippines
| | | | - Michael W. Henry
- Hospital for Special Surgery, Weill Cornell Medicine, New York, New York, USA
| | - Aspasia Katragkou
- Nationwide Children’s Hospital, Columbus, Ohio, USA
- The Ohio State University School of Medicine, Columbus, Ohio, USA
| | | | - Matthew W. McCarthy
- Weill Cornell Medicine of Cornell University, New York, New York, USA
- New York Presbyterian Hospital, New York, New York, USA
| | - Andy O. Miller
- Hospital for Special Surgery, Weill Cornell Medicine, New York, New York, USA
| | | | - Zoi Dorothea Pana
- Hippokration General Hospital, Aristotle University School of Health Sciences, Thessaloniki, Greece
- Faculty of Medicine, Aristotle University School of Health Sciences, Thessaloniki, Greece
| | - Ruta Petraitiene
- Weill Cornell Medicine of Cornell University, New York, New York, USA
| | | | - Emmanuel Roilides
- Hippokration General Hospital, Aristotle University School of Health Sciences, Thessaloniki, Greece
- Faculty of Medicine, Aristotle University School of Health Sciences, Thessaloniki, Greece
| | | | - Maria Simitsopoulou
- Hippokration General Hospital, Aristotle University School of Health Sciences, Thessaloniki, Greece
- Faculty of Medicine, Aristotle University School of Health Sciences, Thessaloniki, Greece
| | - Nikolaos V. Sipsas
- Laiko General Hospital of Athens and Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | | | - Valérie Zeller
- Groupe Hospitalier Diaconesses-Croix Saint-Simon, Paris, France
| | - Olivier Lortholary
- Université de Paris, Faculté de Médecine, APHP, Hôpital Necker-Enfants Malades, Paris, France
- Institut Pasteur, Unité de Mycologie Moléculaire, CNRS UMR 2000, Paris, France
| | - Thomas J. Walsh
- Hospital for Special Surgery, Weill Cornell Medicine, New York, New York, USA
- Weill Cornell Medicine of Cornell University, New York, New York, USA
- New York Presbyterian Hospital, New York, New York, USA
- Center for Innovative Therapeutics and Diagnostics, Richmond, Virginia, USA
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Abstract
One of the most prevalent complications of diabetes mellitus are diabetic foot ulcers (DFU). Diabetic foot ulcers represent a complex condition placing individuals at-risk for major lower extremity amputations and are an independent predictor of patient mortality. DFU heal poorly when standard of care therapy is applied. In fact, wound healing occurs only approximately 30% within 12 weeks and only 45% regardless of time when standard of care is utilized. Similarly, diabetic foot infections occur in half of all DFU and conventional microbiologic cultures can take several days to process before a result is known. DFU represent a significant challenge in this regard because DFU often demonstrate polymicrobial growth, become resistant to preferred antibiotic therapy, and do not inform providers about long-term prognosis. In addition, conventional culture yields may be affected by the timing of antibiotic administration and collection of tissue for analysis. This may lead to suboptimal antibiotic administration or debilitating amputations. The microbiome of DFU is a new frontier to better understand the interactions between host organisms and pathogenic ones. Newer molecular techniques are readily available to assist in analyzing the constituency of the microbiome of DFU. These emerging techniques have already been used to study the microbiome of DFU and have clinical implications that may alter standard of care practice in the near future. Here emerging molecular techniques that can provide clinicians with rapid DFU-related-information and help prognosticate outcomes in this vulnerable patient population are presented.
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Affiliation(s)
- Brian M. Schmidt
- Michigan Medicine, Department of
Internal Medicine, Division of Metabolism, Endocrinology, and Diabetes, Ann Arbor,
MI, USA
- Brian M. Schmidt, DPM, Assistant Professor,
Department of Internal Medicine, Division of Metabolism, Endocrinology, and
Diabetes, University of Michigan Medical School, 24 Frank Lloyd Wright Drive,
Lobby C, Ann Arbor, MI 48106, USA.
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Diagnosis and treatment of necrotising otitis externa and diabetic foot osteomyelitis - similarities and differences. J Laryngol Otol 2018; 132:775-779. [PMID: 30149824 DOI: 10.1017/s002221511800138x] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE Necrotising otitis externa is a severe inflammatory process affecting soft tissue and bone, mostly in diabetic patients. Diabetic patients are also at risk of diabetic foot osteomyelitis, another inflammatory condition involving soft tissue and bone. This review aimed to describe the similarities and differences of these entities in an attempt to further advance the management of necrotising otitis externa. METHOD A PubMed search was conducted using the key words 'otitis externa', 'necrotising otitis externa', 'malignant otitis externa', 'osteomyelitis' and 'diabetic foot'.Results and conclusionThe similarities regarding patient population and pathophysiology between necrotising otitis externa and diabetic foot osteomyelitis raise basic questions concerning the effects of long-standing diabetes on the external ear. The concordance between local swabs and bone cultures in diabetic foot osteomyelitis is less than 50 per cent. If this holds true also to necrotising otitis externa, the role of deep tissue cultures should be strongly considered. Similar to diabetic foot osteomyelitis, magnetic resonance imaging should be considered in selected necrotising otitis externa subgroups.
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Torrence GM, Schmidt BM. Fungal Osteomyelitis in Diabetic Foot Infections: A Case Series and Comparative Analysis. INT J LOW EXTR WOUND 2018; 17:184-189. [PMID: 30092692 DOI: 10.1177/1534734618791607] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Fungal osteomyelitis (OM) is relatively rare. There is scarce literature discussing fungal OM in diabetic foot infections (DFIs). This case series explores the clinical characteristics of patients treated at a large tertiary academic center for DFI and found to have a causative agent of fungal origin in their bone on surgical intervention. Between July 2017 and March 2018, a prospective longitudinal analysis was performed of patients with diabetes admitted to our institution who underwent operative management of OM. Demographic, clinical, radiographic, and laboratory data were collected for all patients. Data between bacterial and fungal OM cohorts was analyzed for differences and similarities in patient characteristics and outcomes. All patients were followed 20 weeks postoperatively. Five patients with fungal OM were identified from the 35 cases where OM was confirmed through podiatric surgical intervention. In each fungal case, a Candida species was isolated from operative bone culture which included subspecies Candida albicans, C parapsilosis, and C glabrata. A P value ⩾.05 was found in clinical characteristics between our cohorts. Wound healing was achieved in 40% of patients with fungal OM, and oral fluconazole successfully treated Candida OM in the cases that achieved healing. Diabetes can increase the risk of Candida OM. In DFIs, fungus can impede wound healing if not recognized and treated. Because Candida OM is typically indolent in nature, bone biopsy and mycological culture is recommended for definitive diagnosis and treatment.
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Affiliation(s)
| | - Brian M Schmidt
- 1 University of Michigan Hospital and Health Systems, Ann Arbor, MI, USA
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Gamaletsou MN, Kontoyiannis DP, Sipsas NV, Moriyama B, Alexander E, Roilides E, Brause B, Walsh TJ. Candida osteomyelitis: analysis of 207 pediatric and adult cases (1970-2011). Clin Infect Dis 2012; 55:1338-51. [PMID: 22911646 DOI: 10.1093/cid/cis660] [Citation(s) in RCA: 115] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND The epidemiology, pathogenesis, clinical manifestations, management, and outcome of Candida osteomyelitis are not well understood. METHODS Cases of Candida osteomyelitis from 1970 through 2011 were reviewed. Underlying conditions, microbiology, mechanisms of infection, clinical manifestations, antifungal therapy, and outcome were studied in 207 evaluable cases. RESULTS Median age was 30 years (range, ≤ 1 month to 88 years) with a >2:1 male:female ratio. Most patients (90%) were not neutropenic. Localizing pain, tenderness, and/or edema were present in 90% of patients. Mechanisms of bone infection followed a pattern of hematogenous dissemination (67%), direct inoculation (25%), and contiguous infection (9%). Coinciding with hematogenous infection, most patients had ≥2 infected bones. When analyzed by age, the most common distribution of infected sites for adults was vertebra (odds ratio [OR], 0.09; 95% confidence interval [CI], .04-.25), rib, and sternum; for pediatric patients (≤18 years) the pattern was femur (OR, 20.6; 95% CI, 8.4-48.1), humerus, then vertebra/ribs. Non-albicans Candida species caused 35% of cases. Bacteria were recovered concomitantly from 12% of cases, underscoring the need for biopsy and/or culture. Candida septic arthritis occurred concomitantly in 21%. Combined surgery and antifungal therapy were used in 48% of cases. The overall complete response rate of Candida osteomyelitis of 32% reflects the difficulty in treating this infection. Relapsed infection, possibly related to inadequate duration of therapy, occurred among 32% who ultimately achieved complete response. CONCLUSIONS Candida osteomyelitis is being reported with increasing frequency. Localizing symptoms are usually present. Vertebrae are the most common sites in adults vs femora in children. Timely diagnosis of Candida osteomyelitis with extended courses of 6-12 months of antifungal therapy, and surgical intervention, when indicated, may improve outcome.
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Affiliation(s)
- Maria N Gamaletsou
- Division of Infectious Diseases, Weill Cornell Medical Center of Cornell University, New York, NY 10065, USA
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Fleming L, Ng A, Paden M, Stone P, Kruse D. Fungal osteomyelitis of calcaneus due to Candida albicans: a case report. J Foot Ankle Surg 2011; 51:212-4. [PMID: 22064126 DOI: 10.1053/j.jfas.2011.07.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2010] [Indexed: 02/03/2023]
Abstract
Osteomyelitis can be a challenging entity to treat. Because of the emergence of risk factors, including broad-spectrum antibiotics, intravenous drug abuse, immunocompromised hosts, and other factors, opportunistic pathogens have increased in prevalence in bone infections. A review of the published data revealed few reported cases of fungal osteomyelitis localized to the foot. In the present report, we describe a rare case of fungal osteomyelitis localized to the calcaneus in an elderly female patient who was successfully treated with surgical debridement and a 6-week course of oral fluconazole.
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Affiliation(s)
- Lee Fleming
- St. Luke's Podiatric Surgical Residency Program, HealthOne Denver Presbyterian, Greenwood, CO, USA
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Dowd SE, Delton Hanson J, Rees E, Wolcott RD, Zischau AM, Sun Y, White J, Smith DM, Kennedy J, Jones CE. Survey of fungi and yeast in polymicrobial infections in chronic wounds. J Wound Care 2011; 20:40-7. [PMID: 21278640 DOI: 10.12968/jowc.2011.20.1.40] [Citation(s) in RCA: 122] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
OBJECTIVE To assess the incidence, abundance and species diversity of fungi in chronic wounds, as well as to describe the associations of major fungi populations. METHOD Comprehensive molecular diagnostic reports were evaluated from a total of 915 chronic wounds in a retrospective study. RESULTS Of the 915 clinical specimens, 208 (23%) were positive for fungal species. These samples were further compared in a compiled dataset, and sub-classified among the four major chronic wound types (decubitus ulcer, diabetic foot ulcer, non-healing surgical wound, and venous leg ulcer). The most abundant fungi were yeasts in the genus Candida; however, Curvularia, Malessezia, Aureobasidium, Cladosporium, Ulocladium, Engodontium and Trichtophyton were also found to be prevalent components of these polymicrobial infections. A notable bacterial/fungal negative correlation was found to be apparent between Staphylococcus and Candida. There were also significant relationships between both bacterial and fungal genera and patient metadata including gender, diabetes status and cardiovascular comorbidities. CONCLUSION This microbial survey shows that fungi are more important wound pathogens and opportunistic pathogens than previously reported, exemplifying the impact of these under-reported pathogens. With the application of modern cost-effective and comprehensive molecular diagnostics, clinicians can now identify and address this significant component of chronic wound bioburden with targeted therapies, thereby improving healing trajectories.
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Affiliation(s)
- S E Dowd
- Research and testing Laboratory, Lubbock, TX, USA.
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