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Mezochow AK, Schaubel DE, Peyster EG, Lewis JD, Goldberg DS, Bittermann T. Hospitalizations for opportunistic infections following transplantation and associated risk factors: A national cohort study of Medicare beneficiaries. Transpl Infect Dis 2024; 26:e14317. [PMID: 38852064 PMCID: PMC11315637 DOI: 10.1111/tid.14317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2024] [Accepted: 05/25/2024] [Indexed: 06/10/2024]
Abstract
BACKGROUND Opportunistic infections (OIs) are a significant cause of morbidity and mortality after organ transplantation, though data in the liver transplant (LT) population are limited. METHODS We performed a retrospective cohort study of LT recipients between January 1, 2007 and Deceber 31, 2016 using Medicare claims data linked to the Organ Procurement and Transplantation Network database. Multivariable Cox regression models evaluated factors independently associated with hospitalizations for early (≤1 year post transplant) and late (>1 year) OIs, with a particular focus on immunosuppression. RESULTS There were 11 320 LT recipients included in the study, of which 13.2% had at least one OI hospitalization during follow-up. Of the 2638 OI hospitalizations, 61.9% were early post-LT. Cytomegalovirus was the most common OI (45.4% overall), although relative frequency decreased after the first year (25.3%). Neither induction or maintenance immunosuppression were associated with early OI hospitalization (all p > .05). The highest risk of early OI was seen with primary sclerosing cholangitis (aHR 1.74; p = .003 overall). Steroid-based and mechanistic target of rapamycin inhibitor-based immunosuppression at 1 year post LT were independently associated with increased late OI (p < .001 overall). CONCLUSION This study found OI hospitalizations to be relatively common among LT recipients and frequently occur later than previously reported. Immunosuppression regimen may be an important modifiable risk factor for late OIs.
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Affiliation(s)
- Alyssa K Mezochow
- Department of Infectious Diseases, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
- Department of Biostatistics, Epidemiology and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Douglas E Schaubel
- Department of Biostatistics, Epidemiology and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Eliot G Peyster
- Advanced Heart Failure and Transplant Medicine, Division of Cardiovascular Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - James D Lewis
- Department of Biostatistics, Epidemiology and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
- Division of Gastroenterology & Hepatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - David S Goldberg
- Division of Digestive Health & Liver Diseases, Miller School of Medicine, University of Miami, Miami, Florida, USA
| | - Therese Bittermann
- Department of Biostatistics, Epidemiology and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
- Division of Gastroenterology & Hepatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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Yanagisawa A, Kinehara Y, Tanaka M, Ninomiya R, Nishioka M, Ochiai S, Jokoji R, Ihara S, Hashimoto K, Tachibana I. Candida Pneumonia in a Young Vegan Man with Diabetic Ketoacidosis. Intern Med 2023; 62:3679-3683. [PMID: 37164677 PMCID: PMC10781560 DOI: 10.2169/internalmedicine.1520-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Accepted: 03/22/2023] [Indexed: 05/12/2023] Open
Abstract
A 39-year-old vegan man was admitted with diabetic ketoacidosis. He had also developed pneumonia that was unresponsive to antibiotics. Based on bronchoscopy findings, the diagnosis of Candida pneumonia was made, and the pulmonary shadow disappeared rapidly after antifungal therapy. Candida pneumonia has been mostly reported in severely immunocompromised patients. This is a rare case of Candida pneumonia that was found in a young vegan man with diabetes mellitus (DM). Although malnutrition caused by DM or an unbalanced diet is often underestimated as a cause of immunodeficiency, these conditions can be risk factors for serious opportunistic infections, including Candida pneumonia.
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Affiliation(s)
- Atsushi Yanagisawa
- Department of Respiratory Medicine and Clinical Immunology, Nippon Life Hospital, Japan
| | - Yuhei Kinehara
- Department of Respiratory Medicine and Clinical Immunology, Nippon Life Hospital, Japan
| | - Masaki Tanaka
- Department of Respiratory Medicine and Clinical Immunology, Nippon Life Hospital, Japan
| | - Ryusuke Ninomiya
- Department of Respiratory Medicine and Clinical Immunology, Nippon Life Hospital, Japan
| | - Miho Nishioka
- Department of Endocrinology and Metabolic Medicine, Nippon Life Hospital, Japan
| | - Susumu Ochiai
- Department of Endocrinology and Metabolic Medicine, Nippon Life Hospital, Japan
| | - Ryu Jokoji
- Department of Pathology, Nippon Life Hospital, Japan
| | - Shoichi Ihara
- Department of Respiratory Medicine and Clinical Immunology, Nippon Life Hospital, Japan
| | - Kunihiko Hashimoto
- Department of Endocrinology and Metabolic Medicine, Nippon Life Hospital, Japan
| | - Isao Tachibana
- Department of Respiratory Medicine and Clinical Immunology, Nippon Life Hospital, Japan
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Huertas MG, Rodríguez M, Castro P, Cruz SD, Cifuentes EA, Yepes AF, Zambrano MM, Baldión AM. Description of the colonizing mycobiota of endotracheal tubes from patients admitted to two intensive care units in Bogotá, Colombia. BIOMEDICA : REVISTA DEL INSTITUTO NACIONAL DE SALUD 2023; 43:181-193. [PMID: 37721909 PMCID: PMC10586799 DOI: 10.7705/biomedica.6884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 05/15/2023] [Indexed: 09/20/2023]
Abstract
Introduction. Medical device colonization by pathogenic microorganisms is a risk factor for increasing infections associated with health care and, consequently, the morbidity and mortality of intubated patients. In Colombia, fungal colonization of endotracheal tubes has not been described, and this information could lead to new therapeutic options for the benefit of patients. Objective. To describe the colonizing fungi of the endotracheal tubes from patients in the intensive care unit, along with its antifungal sensitivity profile. Materials and methods. We conducted a descriptive, observational study in two health centers for 12 months. Endotracheal tubes were collected from patients in intensive care units. Samples were processed for culture, fungi identification, and antifungal sensitivity profile assessment. Results. A total of 121 endotracheal tubes, obtained from 113 patients, were analyzed: 41.32 % of the tubes were colonized by Candida albicans (64.62%), C. non‑albicans (30.77%), Cryptococcus spp. (3.08%) or molds (1.54%). All fungi evaluated showed a high sensitivity to antifungals, with a mean of 91%. Conclusion. Fungal colonization was found in the endotracheal tubes of patients under invasive mechanical ventilation. The antifungal sensitivity profile in these patients was favorable. A clinical study is required to find possible correlations between the colonizing microorganisms and infectivity.
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Affiliation(s)
- Mónica Gabriela Huertas
- Genética Molecular, Corporación CorpoGen, Bogotá, D.C., Colombia; Escuela de Medicina, Universidad Pedagógica y Tecnológica de Colombia, Tunja, Colombia.
| | - Miguel Rodríguez
- Departamento de Patología y Laboratorios, Hospital Universitario Fundación Santa Fe de Bogotá, Bogotá, D.C., Colombia.
| | - Patricia Castro
- Departamento de Patología y Laboratorios, Hospital Universitario Fundación Santa Fe de Bogotá, Bogotá, D.C., Colombia.
| | - Sergio Danilo Cruz
- Departamento de Patología y Laboratorios, Hospital Universitario Fundación Santa Fe de Bogotá, Bogotá, D.C., Colombia.
| | | | - Andrés Felipe Yepes
- Departamento de Patología y Laboratorios, Hospital Universitario Fundación Santa Fe de Bogotá, Bogotá, D.C., Colombia.
| | | | - Ana Margarita Baldión
- Departamento de Patología y Laboratorios, Hospital Universitario Fundación Santa Fe de Bogotá, Bogotá, D.C., Colombia.
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Peixoto PH, Silva ML, Portela FV, da Silva B, Milanez E, de Oliveira D, Ribeiro A, de Almeida H, Lima-Neto R, Guedes GM, Castelo-Branco D, Cordeiro R. Clinical, Epidemiological and Laboratory Features of Invasive Candida parapsilosis Complex Infections in a Brazilian Pediatric Reference Hospital during the COVID-19 Pandemic. J Fungi (Basel) 2023; 9:844. [PMID: 37623615 PMCID: PMC10456047 DOI: 10.3390/jof9080844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 07/31/2023] [Accepted: 08/09/2023] [Indexed: 08/26/2023] Open
Abstract
The present study aimed to describe the clinical, epidemiological and laboratory characteristics of invasive candidiasis by C. parapsilosis complex (CPC) in a Brazilian tertiary pediatric hospital during the COVID-19 pandemic. Clinical samples were processed in the BACT/ALERT® 3D system or on agar plates. Definitive identification was achieved by MALDI-TOF MS. Antifungal susceptibility was initially analyzed by the VITEK 2 system (AST-YS08 card) and confirmed by the CLSI protocol. Patient data were collected from the medical records using a structured questionnaire. CPC was recovered from 124 patients over an 18-month period, as follows: C. parapsilosis (83.87%), C. orthopsilosis (13.71%) and C. metapsilosis (2.42%). Antifungal resistance was not detected. The age of the patients with invasive CPC infections ranged from <1 to 18 years, and most of them came from oncology-related sectors, as these patients were more affected by C. parapsilosis. C. orthopsilosis infections were significantly more prevalent in patients from critical care units. Invasive infections caused by different pathogens occurred in 75 patients up to 30 days after the recovery of CPC isolates. Overall, 23 (18.55%) patients died within 30 days of CPC diagnosis. Catheter removal and antifungal therapy were important measures to prevent mortality. COVID-19 coinfection was only detected in one patient.
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Affiliation(s)
- Paulo Henrique Peixoto
- Department of Pathology and Legal Medicine, Federal University of Ceará, Fortaleza 60430-160, Brazil; (P.H.P.); (M.L.S.); (F.V.P.); (B.d.S.); (E.M.); (D.d.O.); (G.M.G.); (D.C.-B.)
| | - Maria Laína Silva
- Department of Pathology and Legal Medicine, Federal University of Ceará, Fortaleza 60430-160, Brazil; (P.H.P.); (M.L.S.); (F.V.P.); (B.d.S.); (E.M.); (D.d.O.); (G.M.G.); (D.C.-B.)
| | - Fernando Victor Portela
- Department of Pathology and Legal Medicine, Federal University of Ceará, Fortaleza 60430-160, Brazil; (P.H.P.); (M.L.S.); (F.V.P.); (B.d.S.); (E.M.); (D.d.O.); (G.M.G.); (D.C.-B.)
| | - Bruno da Silva
- Department of Pathology and Legal Medicine, Federal University of Ceará, Fortaleza 60430-160, Brazil; (P.H.P.); (M.L.S.); (F.V.P.); (B.d.S.); (E.M.); (D.d.O.); (G.M.G.); (D.C.-B.)
| | - Edlâny Milanez
- Department of Pathology and Legal Medicine, Federal University of Ceará, Fortaleza 60430-160, Brazil; (P.H.P.); (M.L.S.); (F.V.P.); (B.d.S.); (E.M.); (D.d.O.); (G.M.G.); (D.C.-B.)
| | - Denis de Oliveira
- Department of Pathology and Legal Medicine, Federal University of Ceará, Fortaleza 60430-160, Brazil; (P.H.P.); (M.L.S.); (F.V.P.); (B.d.S.); (E.M.); (D.d.O.); (G.M.G.); (D.C.-B.)
| | - Aldaíza Ribeiro
- Albert Sabin Children Hospital, Fortaleza 60410-794, Brazil;
| | - Henrique de Almeida
- Department of Tropical Medicine, Federal University of Pernambuco, Recife 50670-901, Brazil; (H.d.A.); (R.L.-N.)
| | - Reginaldo Lima-Neto
- Department of Tropical Medicine, Federal University of Pernambuco, Recife 50670-901, Brazil; (H.d.A.); (R.L.-N.)
| | - Glaucia Morgana Guedes
- Department of Pathology and Legal Medicine, Federal University of Ceará, Fortaleza 60430-160, Brazil; (P.H.P.); (M.L.S.); (F.V.P.); (B.d.S.); (E.M.); (D.d.O.); (G.M.G.); (D.C.-B.)
| | - Débora Castelo-Branco
- Department of Pathology and Legal Medicine, Federal University of Ceará, Fortaleza 60430-160, Brazil; (P.H.P.); (M.L.S.); (F.V.P.); (B.d.S.); (E.M.); (D.d.O.); (G.M.G.); (D.C.-B.)
| | - Rossana Cordeiro
- Department of Pathology and Legal Medicine, Federal University of Ceará, Fortaleza 60430-160, Brazil; (P.H.P.); (M.L.S.); (F.V.P.); (B.d.S.); (E.M.); (D.d.O.); (G.M.G.); (D.C.-B.)
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Jackson D, Coke L, Fernandez K, Brister K. Invasive Candida pneumonia, in association with Candida esophagitis and gastritis, in a presumably immunocompetent patient. Autops Case Rep 2023; 13:e2023443. [PMID: 37795249 PMCID: PMC10546647 DOI: 10.4322/acr.2023.443] [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: 06/01/2023] [Accepted: 06/27/2023] [Indexed: 10/06/2023]
Abstract
Candida pneumonia remains a difficult diagnosis and is most common in immunocompromised individuals. It has been rarely reported in immunocompetent individuals. We present a case of unsuspected Candida pneumonia associated with Candida esophagitis and gastritis discovered on postmortem examination in a presumably immunocompetent patient. The patient was a 71-year-old male who presented with chest pain and was subsequently found to have a myocardial infarction treated with angioplasty and drug-eluting stent placement. The patient's recovery was complicated by pneumonia refractory to antibiotics, and he went on to experience acute hypoxic respiratory failure, sepsis, disseminated intravascular coagulation (DIC), and ultimately expired. Autopsy revealed evidence of myocardial infarction as well as unsuspected Candida albicans pneumonia, esophagitis, and gastritis. Our case highlights how a presumably immunocompetent individual can develop this infection and how Candida esophagitis and Candida gastritis can be seen in association with Candida pneumonia. Due to the difficulty in diagnosing Candida pneumonia antemortem, autopsies provide a key opportunity to better understand these cases and the factors that may contribute to their development.
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Affiliation(s)
- Devon Jackson
- Howard University Hospital (HUH), Department of Pathology, Washington, DC, USA
| | - Lamarque Coke
- Howard University College of Medicine (HUCM), Washington, DC, USA
| | - Kamilah Fernandez
- Howard University Hospital (HUH), Department of Pathology, Washington, DC, USA
| | - Kathriel Brister
- Howard University Hospital (HUH), Department of Pathology, Washington, DC, USA
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6
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Nazari T, Sadeghi F, Izadi A, Sameni S, Mahmoudi S. COVID-19-associated fungal infections in Iran: A systematic review. PLoS One 2022; 17:e0271333. [PMID: 35816494 PMCID: PMC9273100 DOI: 10.1371/journal.pone.0271333] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Accepted: 06/29/2022] [Indexed: 12/17/2022] Open
Abstract
Objectives
This systematic review aims to summarize the mycological and clinical features of COVID-19-associated fungal infections (CAFIs) in Iran.
Methods
PubMed, Web of Science, Scopus, Cochrane Library, SID, Magiran, IranDoc, and Google Scholar were searched for Persian and English articles published from January 1, 2020, to November 5, 2021, using a systematic search strategy. Studies on Iranian patients suffering from CAFIs were included in the review.
Results
Twenty-two studies comprising 169 patients were retrieved. Reported CAFIs included candidiasis (85, 50.30%), mucormycosis (35, 20.71%), aspergillosis (29, 17.16%), fusariosis (6, 3.55%), three cases caused by rare pathogens (Rhodotorula mucilaginosa, Diaporthe foeniculina, and Sarocladium kiliense) and 11 (6.51%) uncharacterized mold infections. The most common underlying diseases were diabetes (67/168, 39.88%), cardiovascular diseases (55/168, 32.74%), and hypertension (43/168, 25.59%). The use of antibiotics (111/124, 89.52%), corticosteroids (93/132, 70.44%), and mechanical ventilation (66, 51.16%) were the most common predisposing factors. Totally, 72 (50.35%) of 143 patients with CAFIs died (data were not available for 26 patients).
Conclusion
Fungal infections are evident to be a complication of COVID-19 in Iran; thus, clinicians should consider them as a differential diagnosis, especially in patients with comorbidities and previous antibiotic or corticosteroid use.
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Affiliation(s)
- Tina Nazari
- Department of Medical Geriatrics, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Sadeghi
- Department of Parasitology and Mycology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Alireza Izadi
- Department of Medical Parasitology and Mycology, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
- Medical Mycology and Bacteriology Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Setayesh Sameni
- Department of Medical Sciences, Shahrood Branch, Islamic Azad University, Shahrood, Iran
| | - Shahram Mahmoudi
- Department of Parasitology and Mycology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- * E-mail: ,
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Baalaaji M. Invasive Candidiasis in Children: Challenges Remain. Indian J Crit Care Med 2022; 26:667-668. [PMID: 35836641 PMCID: PMC9237155 DOI: 10.5005/jp-journals-10071-24250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
How to cite this article: Baalaaji M. Invasive Candidiasis in Children: Challenges Remain. Indian J Crit Care Med 2022;26(6):667-668.
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Affiliation(s)
- Mullai Baalaaji
- Department of Pediatric Critical Care, Kovai Medical Center and Hospital, Coimbatore, Tamil Nadu, India
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8
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Abdelhadi A, Kassem A. Candida Pneumonia with Lung Abscess as a Complication of Severe COVID-19 Pneumonia. Int Med Case Rep J 2022; 14:853-861. [PMID: 34992473 PMCID: PMC8711636 DOI: 10.2147/imcrj.s342054] [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: 10/12/2021] [Accepted: 11/23/2021] [Indexed: 01/08/2023] Open
Abstract
A South Asian male patient in his mid-forties presented with symptoms of severe 2019-nCoV (COVID-19) and recent brain infarction. Subsequently, he was found to have evidence of sepsis, underlying undetected diabetes mellitus (DM) and oral candida mucositis, possibly leading to the rare occurrence of direct spread to the lung, manifesting as a necrotizing candida lung abscess. We describe the diagnosis, clinical course, and management of the unique complication in this case that occurred during his admission, hospitalization, and eventual successful discharge from the hospital. This case highlights the importance of early identification and treatment of suspected COVID-19 infection based on clinical and radiological assessments before the confirmation of COVID-19 by real-time polymerase chain reaction (rtPCR) test result, especially in patients with hyperglycemia. It also indicates the complications that can occur due to COVID-19 such as arteriovenous manifestations and the rare occurrence of pulmonary candida lung abscess. Early detection and prompt management by interdisciplinary teams in the emergency room, followed by close monitoring of complications in the intensive care unit (ICU), can lead to successful outcomes in severe/critical COVID-19 infection.
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Affiliation(s)
- Adel Abdelhadi
- Department of Critical Care Medicine, Saqr Hospital, MOH, Ras Al-Khaimah, Ras Al-Khaimah, United Arab Emirates
| | - Abeer Kassem
- Department of Pulmonary Medicine, IBHOA Hospital, MOH, Ras Al-Khaimah, Ras Al-Khaimah, United Arab Emirates
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9
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Meena DS, Kumar D. Candida Pneumonia: An Innocent Bystander or a Silent Killer? Med Princ Pract 2022; 31:98-102. [PMID: 34638123 PMCID: PMC8995637 DOI: 10.1159/000520111] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 10/06/2021] [Indexed: 01/03/2023] Open
Abstract
Invasive candidiasis is predominantly seen in immunosuppressed patients and carries a significant mortality. The clinical spectrum of invasive candidiasis encompasses candidemia and disseminated infection (intra-abdominal abscess, osteomyelitis, endophthalmitis, and Candida meningitis). The existence of Candida pneumonia has been largely debated over the years due to its rarity and presence of frequent colonization. Demonstration of Candida species by lung biopsy along with evidence of inflammation is the only way to confirm this entity. The interpretation of Candida in respiratory specimens and the decision to initiate antifungal therapy is controversial due to the lack of clinical evidence. In this mini-review, we discuss the currently available clinical data from the literature on Candida pneumonia and future perspectives regarding the need for antifungal therapy in such patients.
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Martin CN, Barnawi Z, Chorvinsky E, Pillai D, Gatti M, Collins ME, Krakovsky GM, Bauman NM, Sehgal S, Pillai DK. Positive bronchoalveolar lavage pepsin assay associated with viral and fungal respiratory infections in children with chronic cough. Pediatr Pulmonol 2021; 56:2686-2694. [PMID: 33930245 PMCID: PMC8327477 DOI: 10.1002/ppul.25450] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Revised: 04/11/2021] [Accepted: 04/13/2021] [Indexed: 01/29/2023]
Abstract
OBJECTIVE To assess the association between commonly obtained endoscopic and serologic data and bronchoalveolar lavage pepsin assay (BAL) results in children with chronic cough. STUDY DESIGN We performed a retrospective chart review of 72 children with a BAL pepsin obtained through our Aerodigestive Center over an 18-month period. BAL outcomes include evidence of viral, bacterial, or fungal infection, presence of lipid-laden macrophages, and cytology (eosinophils, neutrophils, and lymphocytes). Gastrointestinal outcomes include esophagogastroduodenoscopy (EGD) and pH impedance probe findings. Other characteristics include serum eosinophils, neutrophils, and lymphocytes; spirometry; FeNO; and IgE. RESULTS Seventy-two patients underwent BAL pepsin testing. Median age was 4.9 years, 30.6% had severe persistent asthma, and 59.2% were on reflux medication. There was an association between positive BAL pepsin assay and positive viral panel (p = .002) or fungal culture (p = .027). No significant association found between positive BAL bacterial culture; BAL cytology; the presence of BAL lipid-laden macrophages; IgE; spirometry; FeNO; CBC neutrophil, eosinophil, or lymphocytes; pH impedance testing parameters; or EGD pathology. CONCLUSIONS BAL pepsin is associated with a positive BAL viral PCR or fungal culture. Lack of correlation between pepsin-positivity and pH-impedance parameters or EGD pathology suggests microaspiration may be due to an acute event (such as a respiratory infection) rather than chronic gastroesophageal reflux disease. This may be especially true in the presence of a positive viral panel or fungal culture when a BAL pepsin is obtained.
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Affiliation(s)
- Corey N Martin
- Division of Pediatric Pulmonary and Sleep Medicine, Children's National Hospital, Washington, DC, USA
| | - Zhour Barnawi
- Department of Pediatrics, The George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | - Elizabeth Chorvinsky
- Department of Genomics and Precision Medicine, The George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | - Dhruv Pillai
- Division of Pediatric Pulmonary and Sleep Medicine, Children's National Hospital, Washington, DC, USA
| | - Meagan Gatti
- Division of Pediatric Pulmonary and Sleep Medicine, Children's National Hospital, Washington, DC, USA
| | - Maura E Collins
- Department of Hearing and Speech, The George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | - Gina M Krakovsky
- Department of Otolaryngology-Head and Neck Surgery, The George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | - Nancy M Bauman
- Department of Otolaryngology-Head and Neck Surgery, The George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | - Sona Sehgal
- Division of Pediatric Gastroenterology, Children's National Hospital, Washington, DC, USA
| | - Dinesh K Pillai
- Division of Pediatric Pulmonary and Sleep Medicine, Children's National Hospital, Washington, DC, USA.,Department of Genomics and Precision Medicine, The George Washington University School of Medicine and Health Sciences, Washington, DC, USA
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11
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Fungal and bacterial coinfections increase mortality of severely ill COVID-19 patients. J Hosp Infect 2021; 113:145-154. [PMID: 33852950 PMCID: PMC8056850 DOI: 10.1016/j.jhin.2021.04.001] [Citation(s) in RCA: 87] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 03/30/2021] [Accepted: 04/05/2021] [Indexed: 12/15/2022]
Abstract
Background SARS-CoV-2 predisposes patients to secondary infections; however, a better understanding of the impact of coinfections on the outcome of hospitalized COVID-19 patients is still necessary. Aim To analyse death risk due to coinfections in COVID-19 patients. Methods The odds of death of 212 severely ill COVID-19 patients were evaluated, with detailed focus on the risks for each pathogen, site of infection, comorbidities and length of hospitalization. Findings The mortality rate was 50.47%. Fungal and/or bacterial isolation occurred in 89 patients, of whom 83.14% died. Coinfected patients stayed hospitalized longer and had an increased odds of dying (odds ratio (OR): 13.45; R2 = 0.31). The risk of death was increased by bacterial (OR: 11.28) and fungal (OR: 5.97) coinfections, with increased levels of creatinine, leucocytes, urea and C-reactive protein. Coinfections increased the risk of death if patients suffered from cardiovascular disease (OR: 11.53), diabetes (OR: 6.00) or obesity (OR: 5.60) in comparison with patients with these comorbidities but without pathogen isolation. The increased risk of death was detected for coagulase-negative Staphylococcus (OR: 25.39), Candida non-albicans (OR: 11.12), S. aureus (OR: 10.72), Acinetobacter spp. (OR: 6.88), Pseudomonas spp. (OR: 4.77), and C. albicans (OR: 3.97). The high-risk sites of infection were blood, tracheal aspirate, and urine. Patients with coinfection undergoing invasive mechanical ventilation were 3.8 times more likely to die than those without positive cultures. Conclusion Severe COVID-19 patients with secondary coinfections required longer hospitalization and had higher risk of death. The early diagnosis of coinfections is essential to identify high-risk patients and to determine the right interventions to reduce mortality.
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12
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Talapko J, Juzbašić M, Matijević T, Pustijanac E, Bekić S, Kotris I, Škrlec I. Candida albicans-The Virulence Factors and Clinical Manifestations of Infection. J Fungi (Basel) 2021; 7:79. [PMID: 33499276 PMCID: PMC7912069 DOI: 10.3390/jof7020079] [Citation(s) in RCA: 186] [Impact Index Per Article: 62.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 01/17/2021] [Accepted: 01/21/2021] [Indexed: 02/06/2023] Open
Abstract
Candida albicans is a common commensal fungus that colonizes the oropharyngeal cavity, gastrointestinal and vaginal tract, and healthy individuals' skin. In 50% of the population, C. albicans is part of the normal flora of the microbiota. The various clinical manifestations of Candida species range from localized, superficial mucocutaneous disorders to invasive diseases that involve multiple organ systems and are life-threatening. From systemic and local to hereditary and environmental, diverse factors lead to disturbances in Candida's normal homeostasis, resulting in a transition from normal flora to pathogenic and opportunistic infections. The transition in the pathophysiology of the onset and progression of infection is also influenced by Candida's virulence traits that lead to the development of candidiasis. Oral candidiasis has a wide range of clinical manifestations, divided into primary and secondary candidiasis. The main supply of C. albicans in the body is located in the gastrointestinal tract, and the development of infections occurs due to dysbiosis of the residential microbiota, immune dysfunction, and damage to the muco-intestinal barrier. The presence of C. albicans in the blood is associated with candidemia-invasive Candida infections. The commensal relationship exists as long as there is a balance between the host immune system and the virulence factors of C. albicans. This paper presents the virulence traits of Candida albicans and clinical manifestations of specific candidiasis.
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Affiliation(s)
- Jasminka Talapko
- Faculty of Dental Medicine and Health, Josip Juraj Strossmayer University of Osijek, HR-31000 Osijek, Croatia; (J.T.); (M.J.)
| | - Martina Juzbašić
- Faculty of Dental Medicine and Health, Josip Juraj Strossmayer University of Osijek, HR-31000 Osijek, Croatia; (J.T.); (M.J.)
| | - Tatjana Matijević
- Department of Dermatology and Venereology, Clinical Hospital Center Osijek, HR-31000 Osijek, Croatia;
| | - Emina Pustijanac
- Faculty of Natural Sciences, Juraj Dobrila University of Pula, HR-52100 Pula, Croatia;
| | - Sanja Bekić
- Family Medicine Practice, HR-31000 Osijek, Croatia;
- Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, HR-31000 Osijek, Croatia
| | - Ivan Kotris
- Department of Internal Medicine, General County Hospital Vukovar, HR-3200 Vukovar, Croatia;
| | - Ivana Škrlec
- Faculty of Dental Medicine and Health, Josip Juraj Strossmayer University of Osijek, HR-31000 Osijek, Croatia; (J.T.); (M.J.)
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Arastehfar A, Carvalho A, Nguyen MH, Hedayati MT, Netea MG, Perlin DS, Hoenigl M. COVID-19-Associated Candidiasis (CAC): An Underestimated Complication in the Absence of Immunological Predispositions? J Fungi (Basel) 2020; 6:jof6040211. [PMID: 33050019 PMCID: PMC7712987 DOI: 10.3390/jof6040211] [Citation(s) in RCA: 155] [Impact Index Per Article: 38.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 10/01/2020] [Accepted: 10/06/2020] [Indexed: 12/20/2022] Open
Abstract
The recent global pandemic of COVID-19 has predisposed a relatively high number of patients to acute respiratory distress syndrome (ARDS), which carries a risk of developing super-infections. Candida species are major constituents of the human mycobiome and the main cause of invasive fungal infections, with a high mortality rate. Invasive yeast infections (IYIs) are increasingly recognized as s complication of severe COVID-19. Despite the marked immune dysregulation in COVID-19, no prominent defects have been reported in immune cells that are critically required for immunity to Candida. This suggests that relevant clinical factors, including prolonged ICU stays, central venous catheters, and broad-spectrum antibiotic use, may be key factors causing COVID-19 patients to develop IYIs. Although data on the comparative performance of diagnostic tools are often lacking in COVID-19 patients, a combination of serological and molecular techniques may present a promising option for the identification of IYIs. Clinical awareness and screening are needed, as IYIs are difficult to diagnose, particularly in the setting of severe COVID-19. Echinocandins and azoles are the primary antifungal used to treat IYIs, yet the therapeutic failures exerted by multidrug-resistant Candida spp. such as C. auris and C. glabrata call for the development of new antifungal drugs with novel mechanisms of action.
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Affiliation(s)
- Amir Arastehfar
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, NJ 07110, USA;
- Correspondence: (A.A.); (A.C.); (M.H.); Tel./Fax: +1-201-880-3100 (A.A.); +351-253-604811 (A.C.); +1-619-543-5605 (M.H.)
| | - Agostinho Carvalho
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4710-057 Guimarães/Braga, Portugal
- Correspondence: (A.A.); (A.C.); (M.H.); Tel./Fax: +1-201-880-3100 (A.A.); +351-253-604811 (A.C.); +1-619-543-5605 (M.H.)
| | - M. Hong Nguyen
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA 15261, USA;
| | - Mohammad Taghi Hedayati
- Invasive Fungi Research Center, Department of Medical Mycology, School of Medicine, Mazandaran University of Medical Sciences, Sari 4815733971, Iran;
| | - Mihai G. Netea
- Department of Internal Medicine and Radboud Center for Infectious Diseases, Radboud University Medical Centre, 6500HB Nijmegen, The Netherlands;
- Department of Genomics & Immunoregulation, Life and Medical Sciences Institute, University of Bonn, 53115 Bonn, Germany
- Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands
| | - David S. Perlin
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, NJ 07110, USA;
| | - Martin Hoenigl
- Clinical and Translational Fungal-Working Group, University of California San Diego, La Jolla, CA 92093, USA
- Section of Infectious Diseases and Tropical Medicine, Department of Internal Medicine, Medical University of Graz, 8036 Graz, Austria
- Division of Infectious Diseases and Global Public Health, Department of Medicine, University of California, San Diego, San Diego, CA 92093, USA
- Correspondence: (A.A.); (A.C.); (M.H.); Tel./Fax: +1-201-880-3100 (A.A.); +351-253-604811 (A.C.); +1-619-543-5605 (M.H.)
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14
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Pemán J, Ruiz-Gaitán A, García-Vidal C, Salavert M, Ramírez P, Puchades F, García-Hita M, Alastruey-Izquierdo A, Quindós G. Fungal co-infection in COVID-19 patients: Should we be concerned? Rev Iberoam Micol 2020; 37:41-46. [PMID: 33041191 PMCID: PMC7489924 DOI: 10.1016/j.riam.2020.07.001] [Citation(s) in RCA: 97] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 07/27/2020] [Indexed: 01/10/2023] Open
Abstract
Critically ill COVID-19 patients have higher pro-inflammatory (IL-1, IL-2, IL-6, tumor necrosis alpha) and anti-inflammatory (IL-4, IL-10) cytokine levels, less CD4 interferon-gamma expression, and fewer CD4 and CD8 cells. This severe clinical situation increases the risk of serious fungal infections, such as invasive pulmonary aspergillosis, invasive candidiasis or Pneumocystis jirovecii pneumonia. However, few studies have investigated fungal coinfections in this population. We describe an update on published reports on fungal coinfections and our personal experience in three Spanish hospitals. We can conclude that despite the serious disease caused by SARS-CoV-2 in many patients, the scarcity of invasive mycoses is probably due to the few bronchoscopies and necropsies performed in these patients because of the high risk in aerosol generation. However, the presence of fungal markers in clinically relevant specimens, with the exception of bronchopulmonary colonization by Candida, should make it advisable to early implement antifungal therapy.
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Affiliation(s)
- Javier Pemán
- Servicio de Microbiología, Hospital Universitario y Politécnico La Fe, Valencia, Spain; Instituto de Investigación Sanitaria La Fe, Valencia, Spain.
| | | | | | - Miguel Salavert
- Instituto de Investigación Sanitaria La Fe, Valencia, Spain; Unidad de Enfermedades Infecciosas, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Paula Ramírez
- Servicio de Medicina Intensiva, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Francesc Puchades
- Servicio de Medicina Interna, Consorci Hospital General Universitari, Valencia, Spain
| | - Marta García-Hita
- Servicio de Microbiología, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Ana Alastruey-Izquierdo
- Laboratorio de Referencia e Investigación en Micología, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain
| | - Guillermo Quindós
- Departamento de Inmunología, Microbiología y Parasitología, Facultad de medicina y Enfermería, Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), Spain
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Abstract
Chronic liver disease has been associated with pulmonary dysfunction both before and after liver transplantation. Post-liver transplantation pulmonary complications can affect both morbidity and mortality often necessitating intensive care during the immediate postoperative period. The major pulmonary complications include pneumonia, pleural effusions, pulmonary edema, and atelectasis. Poor clinical outcomes have been known to be associated with age, severity of liver dysfunction, and preexisting lung disease as well as perioperative events related to fluid balance, particularly transfusion and fluid volumes. Delineating each and every one of these pulmonary complications and their associated risk factors becomes paramount in guiding specific therapeutic strategies.
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16
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Rodrigues ME, Lopes SP, Pereira CR, Azevedo NF, Lourenço A, Henriques M, Pereira MO. Polymicrobial Ventilator-Associated Pneumonia: Fighting In Vitro Candida albicans-Pseudomonas aeruginosa Biofilms with Antifungal-Antibacterial Combination Therapy. PLoS One 2017; 12:e0170433. [PMID: 28114348 PMCID: PMC5256963 DOI: 10.1371/journal.pone.0170433] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Accepted: 01/04/2017] [Indexed: 11/17/2022] Open
Abstract
The polymicrobial nature of ventilator-associated pneumonia (VAP) is now evident, with mixed bacterial-fungal biofilms colonizing the VAP endotracheal tube (ETT) surface. The microbial interplay within this infection may contribute for enhanced pathogenesis and exert impact towards antimicrobial therapy. Consequently, the high mortality/morbidity rates associated to VAP and the worldwide increase in antibiotic resistance has promoted the search for novel therapeutic strategies to fight VAP polymicrobial infections. Under this scope, this work aimed to assess the activity of mono- vs combinational antimicrobial therapy using one antibiotic (Polymyxin B; PolyB) and one antifungal (Amphotericin B; AmB) agent against polymicrobial biofilms of Pseudomonas aeruginosa and Candida albicans. The action of isolated antimicrobials was firstly evaluated in single- and polymicrobial cultures, with AmB being more effective against C. albicans and PolyB against P. aeruginosa. Mixed planktonic cultures required equal or higher antimicrobial concentrations. In biofilms, only PolyB at relatively high concentrations could reduce P. aeruginosa in both monospecies and polymicrobial populations, with C. albicans displaying only punctual disturbances. PolyB and AmB exhibited a synergistic effect against P. aeruginosa and C. albicans mixed planktonic cultures, but only high doses (256 mg L-1) of PolyB were able to eradicate polymicrobial biofilms, with P. aeruginosa showing loss of cultivability (but not viability) at 2 h post-treatment, whilst C. albicans only started to be inhibited after 14 h. In conclusion, combination therapy involving an antibiotic and an antifungal agent holds an attractive therapeutic option to treat severe bacterial-fungal polymicrobial infections. Nevertheless, optimization of antimicrobial doses and further clinical pharmacokinetics/pharmacodynamics and toxicodynamics studies underpinning the optimal use of these drugs are urgently required to improve therapy effectiveness and avoid reinfection.
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Affiliation(s)
- Maria E Rodrigues
- Centre of Biological Engineering, LIBRO-Laboratório de Investigação em Biofilmes Rosário Oliveira, University of Minho, Campus de Gualtar, Braga, Portugal
| | - Susana P Lopes
- Centre of Biological Engineering, LIBRO-Laboratório de Investigação em Biofilmes Rosário Oliveira, University of Minho, Campus de Gualtar, Braga, Portugal
| | - Cláudia R Pereira
- Centre of Biological Engineering, LIBRO-Laboratório de Investigação em Biofilmes Rosário Oliveira, University of Minho, Campus de Gualtar, Braga, Portugal
| | - Nuno F Azevedo
- LEPABE-Dep. of Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, Porto, Portugal
| | - Anália Lourenço
- Departamento de Informática-Universidade de Vigo, ESEI-Escuela Superior de Ingeniería Informática, Edificio politécnico, Campus Universitario As Lagoas, Ourense, Spain.,Centre of Biological Engineering, University of Minho, Campus de Gualtar, Braga, Portugal
| | - Mariana Henriques
- Centre of Biological Engineering, LIBRO-Laboratório de Investigação em Biofilmes Rosário Oliveira, University of Minho, Campus de Gualtar, Braga, Portugal
| | - Maria O Pereira
- Centre of Biological Engineering, LIBRO-Laboratório de Investigação em Biofilmes Rosário Oliveira, University of Minho, Campus de Gualtar, Braga, Portugal
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Rahn S, Schuck A, Kondakci M, Haas R, Neuhausen N, Pfeffer K, Henrich B. A novel comprehensive set of fungal Real time PCR assays (fuPCR) for the detection of fungi in immunocompromised haematological patients—A pilot study. Int J Med Microbiol 2016; 306:611-623. [DOI: 10.1016/j.ijmm.2016.10.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Accepted: 10/12/2016] [Indexed: 01/04/2023] Open
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18
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Antinori S, Milazzo L, Sollima S, Galli M, Corbellino M. Candidemia and invasive candidiasis in adults: A narrative review. Eur J Intern Med 2016; 34:21-28. [PMID: 27394927 DOI: 10.1016/j.ejim.2016.06.029] [Citation(s) in RCA: 132] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2016] [Revised: 06/12/2016] [Accepted: 06/22/2016] [Indexed: 12/29/2022]
Abstract
Candidemia and invasive candidiasis are major causes of morbidity and mortality, and their incidence is increasing because of the growing complexity of patients. Five species of Candida (Candida albicans, Candida glabrata, Candida parapsilosis, Candida tropicalis and Candida krusei) account for more than 90% of all diagnosed cases, but their relative frequency varies depending on the population involved, geographical region, previous anti-fungal exposure, and patient age. The best evidence regarding the anti-fungal treatment for invasive candidiasis comes from randomized controlled trials in which more than 85% of the recruited patients had candidemia. In the case of less frequent forms of invasive candidiasis, the recommendations are based on retrospective studies, meta-analyses (when available) and experts' opinions. A pre-emptive approach based on biomarkers and clinical rules is recommended because of the high rate of infection-related mortality among critically ill patients.
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Affiliation(s)
- Spinello Antinori
- Department of Clinical and Biomedical Sciences "Luigi Sacco", University of Milano, Milano, Italy; III Division of Infectious Diseases, ASST Fatebenefratelli Sacco, Luigi Sacco Hospital, Milano, Italy.
| | - Laura Milazzo
- III Division of Infectious Diseases, ASST Fatebenefratelli Sacco, Luigi Sacco Hospital, Milano, Italy
| | - Salvatore Sollima
- III Division of Infectious Diseases, ASST Fatebenefratelli Sacco, Luigi Sacco Hospital, Milano, Italy
| | - Massimo Galli
- Department of Clinical and Biomedical Sciences "Luigi Sacco", University of Milano, Milano, Italy; III Division of Infectious Diseases, ASST Fatebenefratelli Sacco, Luigi Sacco Hospital, Milano, Italy
| | - Mario Corbellino
- III Division of Infectious Diseases, ASST Fatebenefratelli Sacco, Luigi Sacco Hospital, Milano, Italy
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19
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Griffin M, Kosmisky DE, Templin MA, Huynh T, McCurdy LH, Pasquale TR, Martin KE. Antifungal use in immunocompetent, critically ill patients with pneumonia does not improve clinical outcomes. Heart Lung 2016; 45:538-543. [PMID: 27601213 DOI: 10.1016/j.hrtlng.2016.08.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Revised: 08/01/2016] [Accepted: 08/02/2016] [Indexed: 01/05/2023]
Abstract
PURPOSE To determine if treating bronchoalveolar lavage (BAL) culture-positive patients with antifungal therapy impacted mortality compared to not treating due to presumed colonization. METHODS We conducted a retrospective study of immunocompetent, critically ill adult patients from 2010 to 2014. Patients with a BAL culture-positive for Candida or unspeciated yeast and a clinical suspicion of pneumonia were included. The treatment group received an antifungal agent for at least 5 days, and the control group received either no antifungal therapy or an antifungal agent for less than 48 h. Recruitment occurred in a 2:1 ratio of untreated versus treated patients. RESULTS Seventy-five patients were included. In-hospital mortality was similar between treated and untreated groups (24% vs. 26%, P = 0.85). Length of stay and duration of mechanical ventilation also did not differ between the two groups. CONCLUSION We did not observe a difference in mortality or clinical outcomes in patients treated with antifungal agents. Presumptive antifungal therapy for BAL-positive Candida or yeast in immunocompetent patients did not result in improved clinical outcomes.
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Affiliation(s)
- Meagan Griffin
- Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA
| | | | | | - Toan Huynh
- Carolinas Medical Center, 1000 Blythe Boulevard, Charlotte, NC 28203, USA
| | - Lewis H McCurdy
- Carolinas Medical Center, 1000 Blythe Boulevard, Charlotte, NC 28203, USA
| | - Timothy R Pasquale
- Carolinas Medical Center, 1000 Blythe Boulevard, Charlotte, NC 28203, USA
| | - Kelly E Martin
- Carolinas Medical Center, 1000 Blythe Boulevard, Charlotte, NC 28203, USA.
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Hurley JC. Impact of selective digestive decontamination on respiratory tract Candida among patients with suspected ventilator-associated pneumonia. A meta-analysis. Eur J Clin Microbiol Infect Dis 2016; 35:1121-35. [PMID: 27116009 DOI: 10.1007/s10096-016-2643-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Accepted: 03/29/2016] [Indexed: 12/18/2022]
Abstract
The purpose here is to establish the incidence of respiratory tract colonization with Candida (RT Candida) among ICU patients receiving mechanical ventilation within studies in the literature. Also of interest is its relationship with candidemia and the relative importance of topical antibiotic (TA) use as within studies of selective digestive decontamination (SDD) versus other candidate risk factors towards it. The incidence of RT Candida was extracted from component (control and intervention) groups decanted from studies of various TA and non-TA ICU infection prevention methods with summary estimates derived using random effects. A benchmark RT Candida incidence to provide overarching calibration was derived using (observational) groups from studies without any prevention method under study. A multi-level regression model of group level data was undertaken using generalized estimating equation (GEE) methods. RT Candida data were sourced from 113 studies. The benchmark RT Candida incidence is 1.3; 0.9-1.8 % (mean and 95 % confidence intervals). Membership of a concurrent control group of a study of SDD (p = 0.02), the group-wide presence of candidemia risk factors (p < 0.001), and proportion of trauma admissions (p = 0.004), but neither the year of study publication, nor membership of any other component group, nor the mode of respiratory sampling are predictive of the RT Candida incidence. RT Candida and candidemia incidences are correlated. RT Candida incidence can serve as a basis for benchmarking. Several relationships have been identified. The increased incidence among concurrent control groups of SDD studies cannot be appreciated in any single study examined in isolation.
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Affiliation(s)
- J C Hurley
- Department of Rural Health, Melbourne Medical School, University of Melbourne, Parkville, Australia. .,Internal Medicine Service Ballarat Health Services, PO Box 577, Ballarat, Australia, 3353. .,Infection Control Committees, St John of God Hospital and Ballarat Health Services, Ballarat, Victoria, Australia.
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