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Wan X, Liufu R, Liu R, Chen Y, Li S, Li Y, Peng J, Weng L, Du B. Dynamic changes in serum (1-3)-β-D-glucan caused by intravenous immunoglobulin infusion: A prospective study. Diagn Microbiol Infect Dis 2024; 109:116328. [PMID: 38823207 DOI: 10.1016/j.diagmicrobio.2024.116328] [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: 11/18/2023] [Revised: 04/24/2024] [Accepted: 04/24/2024] [Indexed: 06/03/2024]
Abstract
PURPOSE The purpose of this study was to investigate the dynamic changes in serum (1-3)-β-D-glucan (BDG) caused by intravenous immunoglobulins (IVIG) infusion in adults. METHODS This study included patients who received IVIG infusion from October 2021 to October 2022 during hospitalization. We randomly examined two IVIG samples for every patient. Serum samples were collected at nine time points: before (Tpre), immediately (T1-0), 6h (T1-1) and 12h (T1-2) later on the first day; immediately (T2-0) and six hours later (T2-1) on the second day during IVIG infusion, and within three days after IVIG infusion (Ta1, Ta2, and Ta3, respectively). The Friedman test was used for statistical analysis. RESULTS A total of 159 serum BDG from 19 patients were included in the analysis. The BDG content of IVIG ranged from 249 pg/ml to 4812 pg/ml. Patients had significantly elevated serum BDG on T1-0 (176 (113, 291) pg/ml, p = 0.002) and Ta1 (310 (199, 470) pg/ml, p < 0.001), compared with Tpre (41 (38, 65) pg/ml). The increments of serum BDG (ΔBDG) were associated with BDG concentration of IVIG (Spearman r = 0.59, p = 0.02). Individuals with abnormal renal function indexes showed higher serum ΔBDG values at Ta1 (403 (207, 484) pg/ml) than patients with normal renal function (172 (85, 316) pg/ml, p = 0.036). CONCLUSION Patients who received IVIG had significantly higher serum BDG values. Elevated BDG levels correlate with BDG content of IVIG and abnormal renal function indexes.
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Affiliation(s)
- Xixi Wan
- Medical Intensive Care Unit, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, China; Intensive Care Unit, The Second Hospital of Jiaxing, The Second Affiliated Hospital of Jiaxing University, Jiaxing, Zhejiang, 314000, China
| | - Rong Liufu
- Medical Intensive Care Unit, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Ruiting Liu
- Medical Intensive Care Unit, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Yan Chen
- Medical Intensive Care Unit, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Shan Li
- Medical Intensive Care Unit, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Yuanyuan Li
- Medical Intensive Care Unit, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Jinmin Peng
- Medical Intensive Care Unit, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Li Weng
- Medical Intensive Care Unit, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Bin Du
- Medical Intensive Care Unit, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, China.
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Kamel T, Janssen-Langenstein R, Quelven Q, Chelly J, Valette X, Le MP, Bourenne J, Garot D, Fillatre P, Labruyere M, Heming N, Lambiotte F, Lascarrou JB, Lesieur O, Bachoumas K, Ferre A, Maury E, Chalumeau-Lemoine L, Bougon D, Roux D, Guisset O, Coudroy R, Boulain T. Pneumocystis pneumonia in intensive care: clinical spectrum, prophylaxis patterns, antibiotic treatment delay impact, and role of corticosteroids. A French multicentre prospective cohort study. Intensive Care Med 2024:10.1007/s00134-024-07489-2. [PMID: 38829531 DOI: 10.1007/s00134-024-07489-2] [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: 02/29/2024] [Accepted: 05/10/2024] [Indexed: 06/05/2024]
Abstract
PURPOSE Severe Pneumocystis jirovecii pneumonia (PJP) requiring intensive care has been the subject of few prospective studies. It is unclear whether delayed curative antibiotic therapy may impact survival in these severe forms of PJP. The impact of corticosteroid therapy combined with antibiotics is also unclear. METHODS This multicentre, prospective observational study involving 49 adult intensive care units (ICUs) in France was designed to evaluate the severity, the clinical spectrum, and outcomes of patients with severe PJP, and to assess the association between delayed curative antibiotic treatment and adjunctive corticosteroid therapy with mortality. RESULTS We included 158 patients with PJP from September 2020 to August 2022. Their main reason for admission was acute respiratory failure (n = 150, 94.9%). 12% of them received antibiotic prophylaxis for PJP before ICU admission. The ICU, hospital, and 6-month mortality were 31.6%, 35.4%, and 40.5%, respectively. Using time-to-event analysis with a propensity score-based inverse probability of treatment weighting, the initiation of curative antibiotic treatment after 96 h of ICU admission was associated with faster occurrence of death [time ratio: 6.75; 95% confidence interval (95% CI): 1.48-30.82; P = 0.014]. The use of corticosteroids for PJP was associated with faster occurrence of death (time ratio: 2.48; 95% CI 1.01-6.08; P = 0.048). CONCLUSION This study showed that few patients with PJP admitted to intensive care received prophylactic antibiotic therapy, that delay in curative antibiotic treatment was common and that both delay in curative antibiotic treatment and adjunctive corticosteroids for PJP were associated with accelerated mortality.
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Affiliation(s)
- Toufik Kamel
- Service de Médecine Intensive-Réanimation, Centre Hospitalier Universitaire d'Orléans, 14 Avenue de l'Hôpital CS 86709, 45067, Orleans Cedex 2, France
| | - Ralf Janssen-Langenstein
- Médecine Intensive-Réanimation, Hôpital de Hautepierre, Centre Hospitalier Universitaire de Strasbourg, Avenue Molière, 67200, Strasbourg, France
| | - Quentin Quelven
- Médecine Intensive-Réanimation, Centre Hospitalier Universitaire Rennes, Pontchaillou, 2, Rue Henri Le Guilloux, 35000, Rennes, France
| | - Jonathan Chelly
- Réanimation Polyvalente, Centre Hospitalier Intercommunal Toulon La Seyne Sur Mer, 54 Rue Henri Sainte Claire Deville, 83100, Toulon, France
| | - Xavier Valette
- Médecine Intensive-Réanimation, Centre Hospitalier Universitaire de Caen Normandie, 14000, Caen, France
| | - Minh-Pierre Le
- Médecine Intensive-Réanimation, Hôpital Cochin, 27 Rue du Faubourg Saint-Jacques, 75014, Paris, France
| | - Jeremy Bourenne
- Réanimation des Urgences et Dechocage Hôpital de La Timone, 264 Rue Saint-Pierre, 13005, Marseille, France
| | - Denis Garot
- Médecine Intensive-Réanimation, Centre Hospitalier Régional Universitaire Bretonneau, Tours, 37044, Tours, France
| | - Pierre Fillatre
- Réanimation Polyvalente, Centre Hospitalier Yves-Le Foll, 10, Rue Marcel Proust, 22000, Saint Brieuc, France
| | - Marie Labruyere
- Médecine Intensive-Réanimation, Centre Hospitalier Universitaire de Dijon, 14 Rue Gaffarel, BP 77908, 21079, Dijon Cedex, France
| | - Nicholas Heming
- Médecine Intensive-Réanimation, Hôpital Raymond-Poincaré, 104, Boulevard Raymond-Poincaré, 92380, Garches, France
| | - Fabien Lambiotte
- Médecine Intensive-Réanimation, Centre Hospitalier de Valenciennes-CHV, Avenue Désandrouin CS 50479, 59322, Valenciennes Cedex, France
| | - Jean-Baptiste Lascarrou
- Médecine Intensive-Réanimation, Centre Hospitalier Universitaire de Nantes, Hôtel-Dieu-HME, 1 Place Alexis Ricordeau, 44093, Nantes, France
| | - Olivier Lesieur
- Médecine Intensive-Réanimation, Hôpital Saint-Louis, Rue Du Dr Schweitzer, 17019, La Rochelle, France
| | - Konstantinos Bachoumas
- Médecine Intensive-Réanimation, Centre Hospitalier Départemental Vendée, Boulevard Stéphane Moreau, 85000, La Roche-Sur-Yon, France
| | - Alexis Ferre
- Intensive Care Unit, Versailles Hospital, 177 Rue De Versailles, 78157, Le Chesnay, France
| | - Eric Maury
- Médecine Intensive-Réanimation, Hôpital Saint-Antoine, 184 Rue du Faubourg Saint-Antoine, 75012, Paris, France
| | - Ludivine Chalumeau-Lemoine
- Service de Réanimation Médico-Chirurgicale, Hôpital Privé Claude Galien, 20 Route de Boussy, 91480, Quincy-Sous-Sénart, France
| | - David Bougon
- Médecine Intensive-Réanimation, CH Annecy-Genevois, Site Annecy, 1 Avenue De L'Hôpital, 74370, Annecy, France
| | - Damien Roux
- Université Paris Cité, AP-HP, Hôpital Louis Mourier, DMU ESPRIT, Service de Médecine Intensive Réanimation, Colombes, France
| | - Olivier Guisset
- Médecine Intensive-Réanimation, Centre Hospitalier Universitaire-SAINT-ANDRE, Bordeaux, 1 Rue Jean Burguet, 33075, Bordeaux, France
| | - Remi Coudroy
- Médecine Intensive Réanimation, CHU de Poitiers, Poitiers, France
- INSERM CIC 1402, IS-ALIVE Research Group, Université de Poitiers, Poitiers, France
| | - Thierry Boulain
- Service de Médecine Intensive-Réanimation, Centre Hospitalier Universitaire d'Orléans, 14 Avenue de l'Hôpital CS 86709, 45067, Orleans Cedex 2, France.
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Lécuyer R, Issa N, Camou F, Lavergne RA, Gabriel F, Morio F, Canet E, Raffi F, Boutoille D, Cady A, Gousseff M, Crabol Y, Néel A, Tessoulin B, Gaborit B. Characteristics and Prognosis Factors of Pneumocystis jirovecii Pneumonia According to Underlying Disease: A Retrospective Multicenter Study. Chest 2024; 165:1319-1329. [PMID: 38215935 DOI: 10.1016/j.chest.2024.01.015] [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: 10/11/2023] [Revised: 12/15/2023] [Accepted: 01/05/2024] [Indexed: 01/14/2024] Open
Abstract
BACKGROUND Pneumocystis jirovecii pneumonia (PcP) remains associated with high rates of mortality, and the impact of immunocompromising underlying disease on the clinical presentation, severity, and mortality of PcP has not been adequately evaluated. RESEARCH QUESTION Does the underlying disease and immunosuppression causing PcP impact the outcome and clinical presentation of the disease? STUDY DESIGN AND METHODS In this multicenter retrospective observational study, conducted from January 2011 to December 2021, all consecutive patients admitted with a proven or probable diagnosis of PcP according to the European Organisation for Research and Treatment of Cancer consensus definitions were included to assess the epidemiology and impact of underlying immunosuppressive diseases on overall and 90-day mortality. RESULTS Overall, 481 patients were included in the study; 180 (37.4%) were defined as proven PcP and 301 (62.6%) were defined as probable PcP. Patients with immune-mediated inflammatory diseases (IMIDs) or solid tumors had a statistically poorer prognosis than other patients with PcP at day 90. In multivariate analysis, among the HIV-negative population, solid tumor underlying disease (OR, 5.47; 95% CI, 2.16-14.1; P < .001), IMIDs (OR, 2.19; 95% CI, 1.05-4.60; P = .037), long-term corticosteroid exposure (OR, 2.07; 95% CI, 1.03-4.31; P = .045), cysts in sputum/BAL smears (OR, 1.92; 95% CI, 1.02-3.62; P = .043), and SOFA score at admission (OR, 1.58; 95% CI, 1.39-1.82; P < .001) were independently associated with 90-day mortality. Prior corticotherapy was the only immunosuppressant associated with 90-day mortality (OR, 1.67; 95% CI, 1.03-2.71; P = .035), especially for a prednisone daily dose ≥ 10 mg (OR, 1.80; 95% CI, 1.14-2.85; P = .010). INTERPRETATION Among patients who were HIV-negative, long-term corticosteroid prior to PcP diagnosis was independently associated with increased 90-day mortality, specifically in patients with IMIDs. These results highlight both the needs for PcP prophylaxis in patients with IMIDs and to early consider PcP curative treatment in severe pneumonia among patients with IMIDs.
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Affiliation(s)
- Romain Lécuyer
- Internal Medicine and Infectious Diseases, Centre Hospitalier Bretagne-Atlantique, Vannes, France; Nantes Université, CHU Nantes, Cibles et médicaments des infections et de l'immunité, IICiMed, UR1155, Nantes, France
| | - Nahéma Issa
- Intensive Care and Infectious Disease Unit, Groupe Saint-André, University Hospital, Bordeaux, France
| | - Fabrice Camou
- Intensive Care and Infectious Disease Unit, Groupe Saint-André, University Hospital, Bordeaux, France
| | - Rose-Anne Lavergne
- Nantes Université, CHU Nantes, Cibles et médicaments des infections et de l'immunité, IICiMed, UR1155, Nantes, France
| | - Frederic Gabriel
- Centre Hospitalier Universitaire de Bordeaux, Service de Parasitologie Mycologie, Bordeaux, France
| | - Florent Morio
- Nantes Université, CHU Nantes, Cibles et médicaments des infections et de l'immunité, IICiMed, UR1155, Nantes, France; Laboratoire de Parasitologie-Mycologie, Institut de Biologie, University Hospital, Nantes, France
| | - Emmanuel Canet
- Medical Intensive Care, University Hospital, Nantes, France
| | - François Raffi
- Department of Infectious Diseases, University Hospital of Nantes and Centre d'Investigation Clinique 1413, INSERM, Nantes, France
| | - David Boutoille
- Department of Infectious Diseases, University Hospital of Nantes and Centre d'Investigation Clinique 1413, INSERM, Nantes, France; Nantes Université, CHU Nantes, INSERM, Center for Research in Transplantation and Translational Immunology, UMR 1064, Nantes, France
| | - Anne Cady
- Department of Microbiology, Centre Hospitalier Bretagne-Atlantique, Vannes, France
| | - Marie Gousseff
- Internal Medicine and Infectious Diseases, Centre Hospitalier Bretagne-Atlantique, Vannes, France
| | - Yoann Crabol
- Internal Medicine and Infectious Diseases, Centre Hospitalier Bretagne-Atlantique, Vannes, France
| | - Antoine Néel
- CRTI UMR 1064, INSERM, Université de Nantes, Nantes, France; Department of Internal Medicine, University Hospital, Nantes, France
| | - Benoît Tessoulin
- INSERM, U1232, Hematology Department, Nantes University Hospital, CRCI(2)NA, Nantes University, Nantes, France
| | - Benjamin Gaborit
- Department of Infectious Diseases, University Hospital of Nantes and Centre d'Investigation Clinique 1413, INSERM, Nantes, France; Nantes Université, CHU Nantes, INSERM, Center for Research in Transplantation and Translational Immunology, UMR 1064, Nantes, France.
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Kamel T, Boulain T. Pneumocystis pneumonia in French intensive care units in 2013-2019: mortality and immunocompromised conditions. Ann Intensive Care 2024; 14:80. [PMID: 38776012 PMCID: PMC11111439 DOI: 10.1186/s13613-024-01309-y] [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: 02/05/2024] [Accepted: 05/06/2024] [Indexed: 05/25/2024] Open
Abstract
PURPOSE The recent epidemiology of Pneumocystis pneumonia (PCP) requiring intensive care unit (ICU) admission and the associated spectrum of immunocompromising conditions are poorly described. METHODS We analyzed all adult PCP cases admitted to French ICUs via the French medical database system (PMSI), over the period from 2013 to 2019. RESULTS French ICUs admitted a total of 4055 adult patients with PCP. Among all hospitalized PCP cases, the proportion requiring ICU admission increased from 17.8 in 2014 to 21.3% in 2019 (P < 0.001). The incidence of severe PCP rose from 0.85 in 2013 to 1.32/100,000 adult inhabitants in 2019 (P < 0.0001), primarily due to the proportion of HIV-negative patients that increased from 60.6% to 74.4% (P < 0.0001). Meanwhile, the annual number of severe PCP cases among patients with HIV infection remained stable over the years. In-hospital mortality of severe PCP cases was 28.5% in patients with HIV infection and 49.7% in patients without. Multivariable logistic analysis showed that patients with HIV infection had a lower adjusted risk of death than patients without HIV infection (Odds Ratio [OR]: 0.30, 95% confidence interval [95CI]: 0.17-0.55). Comorbidities or conditions strongly associated with hospital mortality included the patient's age, Simplified Acute Physiologic Score II, congestive heart failure, coagulopathy, solid organ cancer, and cirrhosis. A vast array of autoimmune inflammatory diseases affected 19.9% of HIV-negative patients. CONCLUSIONS The number of PCP cases requiring ICU admission in France has risen sharply. While the yearly count of severe PCP cases in HIV-infected patients has remained steady, this rise predominantly affects cancer patients, with a recent surge observed in patients with autoimmune inflammatory diseases, affecting one in five individuals.
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Affiliation(s)
- Toufik Kamel
- Service de Médecine Intensive Réanimation, Centre Hospitalier Universitaire d'Orléans, 14 Avenue de L'Hôpital CS 86709, 45067, Orleans Cedex 2, France
| | - Thierry Boulain
- Service de Médecine Intensive Réanimation, Centre Hospitalier Universitaire d'Orléans, 14 Avenue de L'Hôpital CS 86709, 45067, Orleans Cedex 2, France.
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Wang H, Lang Y, Cai X, Gao L, Yang S, Jin J. Lessons from Multiple Infections Such as Lymphoma Complicated with Pneumocystis Infection: A Case Report. Infect Drug Resist 2024; 17:1583-1588. [PMID: 38681899 PMCID: PMC11048278 DOI: 10.2147/idr.s461607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Accepted: 04/19/2024] [Indexed: 05/01/2024] Open
Abstract
Background Lymphoma is complicated by intricate infections, notably Pneumocystis jirovecii pneumonia (PJP), marked by rapid progression, respiratory failure, and high mortality. Rapid diagnosis of PJP and effective administration of the first-line treatment trimethoprim-sulfamethoxazole (TMP-SMX) are important. For patients intolerant to TMP-SMX, selecting appropriate alternatives is challenging, necessitating careful decisions to optimize diagnosis and treatment. We present a lymphoma case complicated by PJP, illustrating medication adjustment until a positive response was observed. Case Description A 41-year-old male patient with lymphoma presented with a week-long history of fever, fatigue, cough, sputum, chest tightness, and exertional dyspnea, unresponsive to treatment. Routine laboratory examinations revealed no pathogenic bacteria. PJ and Mycobacterium tuberculosis (MTB) were detected in bronchoalveolar lavage fluid (BALF) using metagenomic next-generation sequencing (mNGS). On Day 1 of admission, meropenem, TMP-SMX, and rifampicin+isoniazid+levofloxacin were administered. However, the patient developed drug-induced hepatotoxicity and gastrointestinal adverse reactions after six days of treatment. After a multidisciplinary team discussion, anti-tuberculosis therapy was stopped because of insufficient evidence of tuberculosis infection. A reduced dose of TMP-SMX with micafungin was used for PJP; however, symptoms persisted and repeated computed tomography showed extensive deterioration of bilateral pulmonary plaques. The PJP regimen was modified to include a combination of TMP-SMX and caspofungin. Due to the high fever and elevated infection indices, the patient was treated with teicoplanin to enhance the anti-infection effects. By Day 13, the patient's temperature had normalized, and infection control was achieved by Day 30. CT revealed that the infection in both lung lobes fully resolved. Subsequently, lymphoma treatment commenced. Conclusion BALF-NGS facilitates early and rapid diagnosis of PJP. mNGS reads of MTB bacillus <5 may indicate a bacterial carrier state, warranting other detection techniques to support it. There is insufficient evidence for using TMP-SMX with micafungin to treat PJP; however, TMP-SMX combined with caspofungin is suitable.
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Affiliation(s)
- Huaichong Wang
- Department of Pharmacy, Hangzhou Red Cross Hospital, Hangzhou, Zhejiang Province, People’s Republic of China
| | - Yuying Lang
- Department of Pharmacy, Hangzhou Red Cross Hospital, Hangzhou, Zhejiang Province, People’s Republic of China
| | - Xinjun Cai
- Department of Pharmacy, Hangzhou Red Cross Hospital, Hangzhou, Zhejiang Province, People’s Republic of China
| | - Liujie Gao
- Department of Oncology, Hangzhou Red Cross Hospital, Hangzhou, Zhejiang Province, People’s Republic of China
| | - Shengya Yang
- Tuberculosis Diagnosis and Treatment Center, Hangzhou Red Cross Hospital, Hangzhou, Zhejiang Province, People’s Republic of China
| | - Jie Jin
- Department of Pharmacy, Hangzhou Red Cross Hospital, Hangzhou, Zhejiang Province, People’s Republic of China
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Ricci E, Bartalucci C, Russo C, Mariani M, Saffioti C, Massaccesi E, Pierri F, Brisca G, Moscatelli A, Caorsi R, Bruzzone B, Damasio MB, Marchese A, Mesini A, Castagnola E. Clinical and Radiological Features of Pneumocystis jirovecii Pneumonia in Children: A Case Series. J Fungi (Basel) 2024; 10:276. [PMID: 38667947 PMCID: PMC11050895 DOI: 10.3390/jof10040276] [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: 02/09/2024] [Revised: 03/27/2024] [Accepted: 04/04/2024] [Indexed: 04/28/2024] Open
Abstract
BACKGROUND Pneumocytis jirovecii pneumonia (PJP) has high mortality rates in immunocompromised children, even though routine prophylaxis has decreased in incidence. The aim of this case series is to present the radiological and clinical pathway of PJP in a pediatric population. DESCRIPTION OF CASES All PJP cases in non-HIV/AIDS patients diagnosed at Istituto Giannina Gaslini Pediatric Hospital in Genoa (Italy) from January 2012 until October 2022 were retrospectively evaluated. Nine cases were identified (median age: 8.3 years), and of these, 6/9 underwent prophylaxis with trimethoprim/sulfamethoxazole (TMP/SMX; five once-a-week schedules and one three times-a-week schedule), while 3/9 did not receive this. PJP was diagnosed by real-time PCR for P. jirovecii-DNA in respiratory specimens in 7/9 cases and two consecutive positive detections of β-d-glucan (BDG) in the serum in 2/9 cases. Most patients (6/8) had a CT scan with features suggestive of PJP, while one patient did not undergo a scan. All patients were treated with TMP/SMX after a median time from symptoms onset of 3 days. In 7/9 cases, empirical TMP/SMX treatment was initiated after clinical suspicion and radiological evidence and later confirmed by microbiological data. Clinical improvement with the resolution of respiratory failure and 30-day survival included 100% of the study population. DISCUSSION Due to the difficulty in obtaining biopsy specimens, PJP diagnosis is usually considered probable in most cases. Moreover, the severity of the clinical presentation often leads physicians to start TMP/SMX treatment empirically. BDG proved to be a useful tool for diagnosis, and CT showed good accuracy in identifying typical patterns. In our center, single-day/week prophylaxis was ineffective in high-risk patients; the three-day/week schedule would, therefore, seem preferable and, in any case, should be started promptly in all patients who have an indication of pneumonia.
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Affiliation(s)
- Erica Ricci
- Division of Infectious Diseases, IRCCS Istituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16147 Genoa, Italy; (E.R.); (C.R.); (C.S.); (E.C.)
| | - Claudia Bartalucci
- Division of Infectious Diseases, Department of Health Sciences (DISSAL), University of Genoa, 16132 Genoa, Italy;
- IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
| | - Chiara Russo
- Division of Infectious Diseases, IRCCS Istituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16147 Genoa, Italy; (E.R.); (C.R.); (C.S.); (E.C.)
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genova, 16132 Genoa, Italy
| | - Marcello Mariani
- Division of Infectious Diseases, IRCCS Istituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16147 Genoa, Italy; (E.R.); (C.R.); (C.S.); (E.C.)
| | - Carolina Saffioti
- Division of Infectious Diseases, IRCCS Istituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16147 Genoa, Italy; (E.R.); (C.R.); (C.S.); (E.C.)
| | - Erika Massaccesi
- Division of Ematology, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy
| | - Filomena Pierri
- Unit of Bone Marrow Transplantation, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy
| | - Giacomo Brisca
- Division of Neonatal and Pediatric Critical Care and Semi-Intensive Care, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy; (G.B.); (A.M.)
| | - Andrea Moscatelli
- Division of Neonatal and Pediatric Critical Care and Semi-Intensive Care, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy; (G.B.); (A.M.)
| | - Roberta Caorsi
- Center for Autoinflammatory Diseases and Immunodeficiencies, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy
| | - Bianca Bruzzone
- Hygiene Unit, Department of Health Sciences, Ospedale Policlinico San Martino, University of Genoa, 16132 Genoa, Italy
| | | | - Anna Marchese
- Microbiology Unit, Department of Surgical Sciences and Integrated Diagnostics (DISC), University of Genoa, 16132 Genoa, Italy;
| | - Alessio Mesini
- Division of Infectious Diseases, IRCCS Istituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16147 Genoa, Italy; (E.R.); (C.R.); (C.S.); (E.C.)
| | - Elio Castagnola
- Division of Infectious Diseases, IRCCS Istituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16147 Genoa, Italy; (E.R.); (C.R.); (C.S.); (E.C.)
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7
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Bassetti M, Giacobbe DR, Agvald-Ohman C, Akova M, Alastruey-Izquierdo A, Arikan-Akdagli S, Azoulay E, Blot S, Cornely OA, Cuenca-Estrella M, de Lange DW, De Rosa FG, De Waele JJ, Dimopoulos G, Garnacho-Montero J, Hoenigl M, Kanj SS, Koehler P, Kullberg BJ, Lamoth F, Lass-Flörl C, Maertens J, Martin-Loeches I, Muñoz P, Poulakou G, Rello J, Sanguinetti M, Taccone FS, Timsit JF, Torres A, Vazquez JA, Wauters J, Asperges E, Cortegiani A, Grecchi C, Karaiskos I, Le Bihan C, Mercier T, Mortensen KL, Peghin M, Rebuffi C, Tejada S, Vena A, Zuccaro V, Scudeller L, Calandra T. Invasive Fungal Diseases in Adult Patients in Intensive Care Unit (FUNDICU): 2024 consensus definitions from ESGCIP, EFISG, ESICM, ECMM, MSGERC, ISAC, and ISHAM. Intensive Care Med 2024; 50:502-515. [PMID: 38512399 PMCID: PMC11018656 DOI: 10.1007/s00134-024-07341-7] [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: 10/09/2023] [Accepted: 01/31/2024] [Indexed: 03/23/2024]
Abstract
PURPOSE The aim of this document was to develop standardized research definitions of invasive fungal diseases (IFD) in non-neutropenic, adult patients without classical host factors for IFD, admitted to intensive care units (ICUs). METHODS After a systematic assessment of the diagnostic performance for IFD in the target population of already existing definitions and laboratory tests, consensus definitions were developed by a panel of experts using the RAND/UCLA appropriateness method. RESULTS Standardized research definitions were developed for proven invasive candidiasis, probable deep-seated candidiasis, proven invasive aspergillosis, probable invasive pulmonary aspergillosis, and probable tracheobronchial aspergillosis. The limited evidence on the performance of existing definitions and laboratory tests for the diagnosis of IFD other than candidiasis and aspergillosis precluded the development of dedicated definitions, at least pending further data. The standardized definitions provided in the present document are aimed to speed-up the design, and increase the feasibility, of future comparative research studies.
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Affiliation(s)
- Matteo Bassetti
- Department of Health Sciences (DISSAL), University of Genoa, Genoa, Italy.
- Infectious Diseases Unit, IRCCS Ospedale Policlinico San Martino, L.go R. Benzi 10, 16132, Genoa, Italy.
| | - Daniele R Giacobbe
- Department of Health Sciences (DISSAL), University of Genoa, Genoa, Italy
- Infectious Diseases Unit, IRCCS Ospedale Policlinico San Martino, L.go R. Benzi 10, 16132, Genoa, Italy
| | - Christina Agvald-Ohman
- Anaesthesiology and Intensive Care, Karolinska University Hospital Huddinge, Stockholm, Sweden
| | - Murat Akova
- Department of Infectious Diseases and Clinical Microbiology, Faculty of Medicine, Hacettepe University, Ankara, Turkey
| | - Ana Alastruey-Izquierdo
- Mycology Reference Laboratory, National Centre for Microbiology, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain
- Centro de Investigación Biomédica en Red (CIBER) de Enfermedades Infecciosas-CIBERINFEC, Madrid, Spain
| | - Sevtap Arikan-Akdagli
- Department of Medical Microbiology, Faculty of Medicine, Hacettepe University, Ankara, Turkey
| | - Elie Azoulay
- Université de Paris, Paris, France
- Service de Médecine Intensive Et Réanimation, Hôpital Saint-Louis, AP-HP, Paris, France
| | - Stijn Blot
- Department of Internal Medicine and Pediatrics, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
- UQ Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, Australia
| | - Oliver A Cornely
- Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf (CIO ABCD) and Excellence Center for Medical Mycology (ECMM), Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
- Faculty of Medicine and University Hospital Cologne, Institute of Translational Research, Cologne Excellence Cluster On Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, Cologne, Germany
- Faculty of Medicine and University Hospital Cologne, Clinical Trials Centre Cologne (ZKS Köln), University of Cologne, Cologne, Germany
- German Centre for Infection Research (DZIF), Partner Site Bonn-Cologne, Cologne, Germany
| | - Manuel Cuenca-Estrella
- Mycology Reference Laboratory, National Centre for Microbiology, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain
| | - Dylan W de Lange
- Department of Intensive Care Medicine, University Medical Center, University Utrecht, Utrecht, The Netherlands
| | - Francesco G De Rosa
- Department of Medical Sciences, Infectious Diseases, University of Turin, Turin, Italy
| | - Jan J De Waele
- Department of Critical Care Medicine, Ghent University Hospital, Ghent, Belgium
| | - George Dimopoulos
- Department of Critical Care, University Hospital Attikon, Attikon Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | | | - Martin Hoenigl
- Division of Infectious Diseases, Department of Internal Medicine, Medical University of Graz, Graz, Austria
- BioTechMed, Graz, Austria
- Translational Mycology Working Group, ECMM Excellence Center for Clinical Mycology, Medical University of Graz, Graz, Austria
| | - Souha S Kanj
- Division of Infectious Diseases, and Center for Infectious Diseases Research, American University of Beirut Medical Center, Beirut, Lebanon
| | - Philipp Koehler
- Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf (CIO ABCD) and Excellence Center for Medical Mycology (ECMM), Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
- Medical Faculty and University Hospital Cologne, Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, Cologne, Germany
| | - Bart J Kullberg
- Department of Medicine and Radboud Center for Infectious Diseases, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Frédéric Lamoth
- Institute of Microbiology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
- Service of Immunology and Allergy and Center of Human Immunology Lausanne, Department of Medicine, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
- Department of Laboratory Medicine and Pathology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Cornelia Lass-Flörl
- Institute of Hygiene and Medical Microbiology, Medical University of Innsbruck, Innsbruck, Austria
| | | | - Ignacio Martin-Loeches
- Department of Intensive Care Medicine, Multidisciplinary Intensive Care Research Organization (MICRO), St James' Hospital, Dublin, Ireland
| | - Patricia Muñoz
- Clinical Microbiology and Infectious Diseases, Hospital General Universitario Gregorio Marañón, Madrid, Spain
- Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
- Centro de Investigación Biomédica en Red (CIBER) de Enfermedades Respiratorias-CIBERES (CB06/06/0058), Madrid, Spain
- Medicine Department, Faculty of Medicine, Universidad Complutense de Madrid, Madrid, Spain
| | - Garyphallia Poulakou
- Third Department of Internal Medicine, School of Medicine, Sotiria General Hospital, National and Kapodistrian University, Athens, Greece
| | - Jordi Rello
- Clinical Research/Epidemiology in Pneumonia and Sepsis (CRIPS), Vall d'Hebron Institut of Research (VHIR), Barcelona, Spain
- Clinical Research in the ICU, CHU Nimes, Universite de Nimes-Montpellier, Nimes, France
- Medicine Department, Universitat Internacional de Catalunya (UIC), Sant Cugat, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain
| | - Maurizio Sanguinetti
- Dipartimento di Scienze di Laboratorio E Infettivologiche, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Fabio S Taccone
- Department of Intensive Care, Hôpital Universitaire de Bruxelles (HUB), Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Jean-François Timsit
- Medical and Infectious Diseases Intensive Care Unit, AP-HP, Bichat Claude Bernard University Hospital, Paris, France
- IAME UMR 1137, Université Paris-Cité, Paris, France
| | - Antoni Torres
- Department of Pneumology, Hospital Clinic of Barcelona, Barcelona, Spain
- August Pi i Sunyer Biomedical Research Institute (IDIBAPS), University of Barcelona, Barcelona, Spain
- Biomedical Research Networking Centres in Respiratory Diseases (CIBERES), Barcelona, Spain
- Catalan Institution for Research and Advanced Studies (ICREA), Barcelona, Spain
| | - Jose A Vazquez
- Department of Medicine/Division of Infectious Disease, Medical College of Georgia/Augusta University, Augusta, GA, USA
| | - Joost Wauters
- Medical Intensive Care Unit, University Hospitals Leuven, Louvain, Belgium
| | - Erika Asperges
- Infectious Diseases Unit, IRCCS San Matteo, Pavia, Italy
| | - Andrea Cortegiani
- Department of Precision Medicine in Medical, Surgical and Critical Care (Me.Pre.C.C.), University of Palermo, Palermo, Italy
- Department of Anesthesia Intensive Care and Emergency, University Hospital Policlinico Paolo Giaccone, Palermo, Italy
| | - Cecilia Grecchi
- Malattie Infettive, Azienda Socio Sanitaria Territoriale (ASST) di Lodi, Lodi, Italy
| | - Ilias Karaiskos
- 1st Department of Internal Medicine-Infectious Diseases, Hygeia General Hospital, Athens, Greece
| | - Clément Le Bihan
- Saint Eloi Department of Anesthesiology and Critical Care Medicine, Montpellier University Health Care Center, Montpellier, France
| | - Toine Mercier
- Department of Microbiology, Immunology and Transplantation, KU Leuven, Louvain, Belgium
- Department of Hematology, University Hospitals Leuven, Louvain, Belgium
| | - Klaus L Mortensen
- Department of Medicine, Regional Hospital West Jutland, Herning, Denmark
| | - Maddalena Peghin
- Infectious and Tropical Diseases Unit, Department of Medicine and Surgery, University of Insubria-ASST-Sette Laghi, Varese, Italy
| | - Chiara Rebuffi
- Scientific Direction, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Sofia Tejada
- Clinical Research/Epidemiology in Pneumonia and Sepsis (CRIPS), Vall d'Hebron Institut of Research (VHIR), Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain
| | - Antonio Vena
- Department of Health Sciences (DISSAL), University of Genoa, Genoa, Italy
- Infectious Diseases Unit, IRCCS Ospedale Policlinico San Martino, L.go R. Benzi 10, 16132, Genoa, Italy
| | | | - Luigia Scudeller
- Research and Innovation Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Thierry Calandra
- Service of Immunology and Allergy and Center of Human Immunology Lausanne, Department of Medicine, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
- Department of Laboratory Medicine and Pathology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
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Yang HQ, Sun H, Li K, Shao MM, Zhai K, Tong ZH. Dynamics of host immune responses and a potential function of Trem2 hi interstitial macrophages in Pneumocystis pneumonia. Respir Res 2024; 25:72. [PMID: 38317180 PMCID: PMC10845524 DOI: 10.1186/s12931-024-02709-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Accepted: 01/25/2024] [Indexed: 02/07/2024] Open
Abstract
BACKGROUND Pneumocystis pneumonia (PCP) is a life-threatening opportunistic fungal infection with a high mortality rate in immunocompromised patients, ranging from 20 to 80%. However, current understanding of the variation in host immune response against Pneumocystis across different timepoints is limited. METHODS In this study, we conducted a time-resolved single-cell RNA sequencing analysis of CD45+ cells sorted from lung tissues of mice infected with Pneumocystis. The dynamically changes of the number, transcriptome and interaction of multiply immune cell subsets in the process of Pneumocystis pneumonia were identified according to bioinformatic analysis. Then, the accumulation of Trem2hi interstitial macrophages after Pneumocystis infection was verified by flow cytometry and immunofluorescence. We also investigate the role of Trem2 in resolving the Pneumocystis infection by depletion of Trem2 in mouse models. RESULTS Our results characterized the CD45+ cell composition of lung in mice infected with Pneumocystis from 0 to 5 weeks, which revealed a dramatic reconstitution of myeloid compartments and an emergence of PCP-associated macrophage (PAM) following Pneumocystis infection. PAM was marked by the high expression of Trem2. We also predicted that PAMs were differentiated from Ly6C+ monocytes and interacted with effector CD4+ T cell subsets via multiple ligand and receptor pairs. Furthermore, we determine the surface markers of PAMs and validated the presence and expansion of Trem2hi interstitial macrophages in PCP by flow cytometry. PAMs secreted abundant pro-inflammation cytokines, including IL-6, TNF-α, GM-CSF, and IP-10. Moreover, PAMs inhibited the proliferation of T cells, and depletion of Trem2 in mouse lead to reduced fungal burden and decreased lung injury in PCP. CONCLUSION Our study delineated the dynamic transcriptional changes in immune cells and suggests a role for PAMs in PCP, providing a framework for further investigation into PCP's cellular and molecular basis, which could provide a resource for further discovery of novel therapeutic targets.
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Affiliation(s)
- Hu-Qin Yang
- Department of Respiratory and Critical Care Medicine, Beijing Institute of Respiratory Medicine, Beijing Chao-Yang Hospital, Capital Medical University, NO. 8, Gong Ti South Road, Chao yang District, Beijing, 100020, China
| | - Han Sun
- Department of Respiratory and Critical Care Medicine, Beijing Institute of Respiratory Medicine, Beijing Chao-Yang Hospital, Capital Medical University, NO. 8, Gong Ti South Road, Chao yang District, Beijing, 100020, China
| | - Kang Li
- Department of Respiratory and Critical Care Medicine, Beijing Institute of Respiratory Medicine, Beijing Chao-Yang Hospital, Capital Medical University, NO. 8, Gong Ti South Road, Chao yang District, Beijing, 100020, China
| | - Ming-Ming Shao
- Department of Respiratory and Critical Care Medicine, Beijing Institute of Respiratory Medicine, Beijing Chao-Yang Hospital, Capital Medical University, NO. 8, Gong Ti South Road, Chao yang District, Beijing, 100020, China
| | - Kan Zhai
- Department of Respiratory and Critical Care Medicine, Beijing Institute of Respiratory Medicine, Beijing Chao-Yang Hospital, Capital Medical University, NO. 8, Gong Ti South Road, Chao yang District, Beijing, 100020, China.
| | - Zhao-Hui Tong
- Department of Respiratory and Critical Care Medicine, Beijing Institute of Respiratory Medicine, Beijing Chao-Yang Hospital, Capital Medical University, NO. 8, Gong Ti South Road, Chao yang District, Beijing, 100020, China.
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