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Yao Z, Liang M, Zhu S. Infectious factors in myocarditis: a comprehensive review of common and rare pathogens. Egypt Heart J 2024; 76:64. [PMID: 38789885 PMCID: PMC11126555 DOI: 10.1186/s43044-024-00493-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Accepted: 05/13/2024] [Indexed: 05/26/2024] Open
Abstract
BACKGROUND Myocarditis is a significant health threat today, with infectious agents being the most common cause. Accurate diagnosis of the etiology of infectious myocarditis is crucial for effective treatment. MAIN BODY Infectious myocarditis can be caused by viruses, prokaryotes, parasites, and fungi. Viral infections are typically the primary cause. However, some rare opportunistic pathogens can also damage heart muscle cells in patients with immunodeficiencies, neoplasms and those who have undergone heart surgery. CONCLUSIONS This article reviews research on common and rare pathogens of infectious myocarditis, emphasizing the complexity of its etiology, with the aim of helping clinicians make an accurate diagnosis of infectious myocarditis.
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Affiliation(s)
- Zongjie Yao
- School of Health and Life Sciences, University of Health and Rehabilitation Sciences, Qindao, China.
| | - Mingjun Liang
- Department of Intensive Care Medicine, Shanghai Six People's Hospital Affilicated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Simin Zhu
- Wuhan Third Hospital-Tongren Hospital of Wuhan University, Wuhan, China
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Gafarova MT, Eremeeva ME. History and Current Status of Mediterranean Spotted Fever (MSF) in the Crimean Peninsula and Neighboring Regions along the Black Sea Coast. Pathogens 2023; 12:1161. [PMID: 37764969 PMCID: PMC10536518 DOI: 10.3390/pathogens12091161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 08/24/2023] [Accepted: 08/29/2023] [Indexed: 09/29/2023] Open
Abstract
Mediterranean spotted fever (MSF) is a tick-borne rickettsiosis caused by Rickettsia conorii subspecies conorii and transmitted to humans by Rhipicephalus sanguineus ticks. The disease was first discovered in Tunisia in 1910 and was subsequently reported from other Mediterranean countries. The first cases of MSF in the former Soviet Union were detected in 1936 on the Crimean Peninsula. This review summarizes the historic information and main features of MSF in that region and contemporary surveillance and control efforts for this rickettsiosis. Current data pertinent to the epidemiology of the disease, circulation of the ticks and distribution of animal hosts are discussed and compared for each of the countries in the Black Sea basin where MSF occurs.
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Affiliation(s)
- Muniver T. Gafarova
- S.I. Georgievsky Medical Academy (Academic Unit), V.I. Vernadsky Crimean Federal University, 295051 Simferopol, Russia
| | - Marina E. Eremeeva
- Jiann-Ping Hsu College of Public Health, Georgia Southern University, Statesboro, GA 30458, USA
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Guccione C, Rubino R, Colomba C, Anastasia A, Caputo V, Iaria C, Cascio A. Rickettsiosis with Pleural Effusion: A Systematic Review with a Focus on Rickettsiosis in Italy. Trop Med Infect Dis 2022; 7:tropicalmed7010011. [PMID: 35051127 PMCID: PMC8777742 DOI: 10.3390/tropicalmed7010011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 12/29/2021] [Accepted: 01/10/2022] [Indexed: 02/01/2023] Open
Abstract
Background: Motivated by a case finding of Mediterranean spotted fever (MSF) associated with atypical pneumonia and pleural effusion in which Rickettsia conorii subsp. israelensis was identified by molecular methods in the pleural fluid, we wanted to summarize the clinical presentations of rickettsiosis in Italy by systematic research and to make a systematic review of all the global cases of rickettsiosis associated with pleural effusion. Methods: For the literature search, the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) methodology was followed. We chose to select only the studies published in last 25 years and confirmed both with serological and molecular assays. Results: Human cases of rickettsiosis in Italy were reported in 48 papers describing 2831 patients with very different clinical presentations; the majority was MSF accounted to R. conorii and was reported in Sicily. Pleural effusion associated with infection with microorganisms belonging to Rickettsiales was described in 487 patients. It was rarely associated with microorganisms different from O. tsutsugamushi; also rarely, cases of scrub typhus were reported outside Southeast Asia and in the largest majority, the diagnosis was achieved with serology. Conclusions: MSF, especially when caused by R. conorii subsp. israelensis, may be a severe disease. A high index of suspicion is required to promptly start life-saving therapy. Pleural effusion and interstitial pneumonia may be part of the clinical picture of severe rickettsial disease and should not lead the physician away from this diagnosis
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Affiliation(s)
- Cristoforo Guccione
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, University of Palermo, 90127 Palermo, Italy; (C.G.); (C.C.); (A.A.); (V.C.)
| | - Raffaella Rubino
- Infectious and Tropical Disease Unit, AOU Policlinico “P. Giaccone”, 90127 Palermo, Italy;
| | - Claudia Colomba
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, University of Palermo, 90127 Palermo, Italy; (C.G.); (C.C.); (A.A.); (V.C.)
| | - Antonio Anastasia
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, University of Palermo, 90127 Palermo, Italy; (C.G.); (C.C.); (A.A.); (V.C.)
| | - Valentina Caputo
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, University of Palermo, 90127 Palermo, Italy; (C.G.); (C.C.); (A.A.); (V.C.)
| | - Chiara Iaria
- Infectious and Tropical Disease Unit—ARNAS Civico, 90127 Palermo, Italy;
| | - Antonio Cascio
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, University of Palermo, 90127 Palermo, Italy; (C.G.); (C.C.); (A.A.); (V.C.)
- Infectious and Tropical Disease Unit, AOU Policlinico “P. Giaccone”, 90127 Palermo, Italy;
- Correspondence: ; Tel.: +39-091-2389-0632
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Pradeesh A, Vasudevan B, Sharma N, Verma R. A rare case of scrub typhus vasculitis presenting as acute coronary syndrome diagnosed by skin manifestations. Indian J Dermatol Venereol Leprol 2021; 88:184-187. [PMID: 33666032 DOI: 10.25259/ijdvl_158_20] [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: 02/01/2020] [Accepted: 04/01/2020] [Indexed: 11/04/2022]
Abstract
A 48-year-old diabetic man presented with complaints of acute onset chest heaviness with palpitations, anxiety and headache. He had raised troponin-T level and electrocardiogram showed ST elevation myocardial infarction. There was a prior history of fever of 4 days duration with associated abdominal pain. He later developed skin rash and neurological symptoms following admission to the hospital. Dermatological examination revealed purpura and a livedo-like rash. Investigations revealed deranged liver and renal function tests and positive serological tests for scrub typhus. Coronary angiography revealed no evidence of atherosclerosis or any other pathology. He was therefore diagnosed as a case of scrub typhus-induced vasculitis with coronary manifestations and was managed with oral doxycycline. Scrub typhus presenting like an acute coronary syndrome has been reported very rarely previously. In addition, patient had gastrointestinal, central nervous system and hematological involvement which added to the rarity of the case.
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Affiliation(s)
- Arumugam Pradeesh
- Department of Dermatology, Base Hospital, Lucknow, Uttar Pradesh, India
| | - Biju Vasudevan
- Department of Dermatology, Base Hospital, Lucknow, Uttar Pradesh, India
| | - Nitu Sharma
- Department of Dermatology, Base Hospital, Lucknow, Uttar Pradesh, India
| | - Rajesh Verma
- Department of Dermatology, Base Hospital, Lucknow, Uttar Pradesh, India
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Abstract
There is no updated information on the spread of Rickettsiales in Italy. The purpose of our study is to take stock of the situation on Rickettsiales in Italy by focusing attention on the species identified by molecular methods in humans, in bloodsucking arthropods that could potentially attack humans, and in animals, possible hosts of these Rickettsiales. A computerized search without language restriction was conducted using PubMed updated as of December 31, 2020. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) methodology was followed. Overall, 36 species of microorganisms belonging to Rickettsiales were found. The only species identified in human tissues were Anaplasma phagocytophilum,Rickettsia conorii, R. conorii subsp. israelensis, R. monacensis, R. massiliae, and R. slovaca. Microorganisms transmissible by bloodsucking arthropods could cause humans pathologies not yet well characterized. It should become routine to study the pathogens present in ticks that have bitten a man and at the same time that molecular studies for the search for Rickettsiales can be performed routinely in people who have suffered bites from bloodsucking arthropods.
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Epidemiology, Clinical Aspects, Laboratory Diagnosis and Treatment of Rickettsial Diseases in the Mediterranean Area During COVID-19 Pandemic: A Review of the Literature. Mediterr J Hematol Infect Dis 2020; 12:e2020056. [PMID: 32952967 PMCID: PMC7485464 DOI: 10.4084/mjhid.2020.056] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 08/04/2020] [Indexed: 01/12/2023] Open
Abstract
The purpose of the present review is to give an update regarding the classification, epidemiology, clinical manifestation, diagnoses, and treatment of the Rickettsial diseases present in the Mediterranean area. We performed a comprehensive search, through electronic databases (Pubmed – MEDLINE) and search engines (Google Scholar), of peer-reviewed publications (articles, reviews, and books). The availability of new diagnostic tools, including Polymerase Chain Reaction and nucleotide sequencing has significantly modified the classification of intracellular bacteria, including the order Rickettsiales with more and more new Rickettsia species recognized as human pathogens. Furthermore, emerging Rickettsia species have been found in several countries and are often associated with unique clinical pictures that may challenge the physician in the early detection of the diseases. Rickettsial infections include a wide spectrum of clinical presentations ranging from a benign to a potentially life treating disease that requires prompt recognition and proper management. Recently, due to the spread of SARS-CoV-2 infection, the differential diagnosis with COVID-19 is of crucial importance. The correct understanding of the clinical features, diagnostic tools, and proper treatment can assist clinicians in the management of Rickettsioses in the Mediterranean area.
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An Atypical Case of Rickettsial Spotted Fever Myocarditis Mimicking Weil's Disease. Case Rep Infect Dis 2019; 2019:9620245. [PMID: 31360559 PMCID: PMC6644265 DOI: 10.1155/2019/9620245] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 06/02/2019] [Accepted: 06/24/2019] [Indexed: 11/18/2022] Open
Abstract
A 65-year-old previously healthy male presented to us on the fourth day of a febrile illness with headache, arthralgia, myalgia, nausea, cough, chest pain, sore throat, and passing of watery stools and dark urine with a history of exposure to leptospirosis during a dengue outbreak. On examination, there was dehydration and hypovolemia, and an ultrasound scan revealed capillary leakage. His liver transaminases, serum creatine, blood urea, C-reactive protein, and neutrophil percentage were high, and thrombocytopenia was present. Moreover, myocarditis has been detected too. Supportive therapy with intravenous ceftriaxone was administered, considering possible Weil's disease or dengue hemorrhagic fever with secondary bacterial infection. Serological tests, performed later, diagnosed him with a Rickettsia conorii infection and excluded dengue, leptospirosis, and hantavirus infections. Repeat 2D echocardiograms showed mild improvement of his cardiac failure after one month and a more improvement after eight months. Clinical features of the rickettsial spotted fever group (SFG) and leptospirosis overlap. Leptospirosis is common; thus, the risk of overlooking SFG and diagnosing leptospirosis is likely. Tests for differentiation are unavailable in Sri Lankan hospitals and in many other developing countries. Empirical doxycycline in suspected cases of SFG infections in areas where rickettsioses are prevalent can save lives as in this case.
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Herath HMLY, Jayasundara JMHD, Senadhira SDN, Kularatne SAM, Kularatne WKS. Spotted fever rickettsioses causing myocarditis and ARDS: a case from Sri Lanka. BMC Infect Dis 2018; 18:705. [PMID: 30594148 PMCID: PMC6311067 DOI: 10.1186/s12879-018-3631-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2018] [Accepted: 12/18/2018] [Indexed: 11/10/2022] Open
Abstract
Background Spotted fever group of rickettsial infections are emerging in Sri Lanka. We describe a patient with rapidly progressing ARDS and myocarditis secondary to spotted fever caused by Rickettsia conorii. ARDS and myocarditis are rare complications of Rickettsia conorii infections and only a few cases are reported to date. Case presentation A 53 years old manual worker presented with fever for 5 days and a skin rash. He was in circulatory failure on admission and developed severe hypoxaemia with gross changes in chest radiograph by next day requiring assisted ventilation. He had myocarditis causing left ventricular failure and acute respiratory distress syndrome. He was confirmed to have spotted fever rickettsial infection with rising titre of indirect immunofluorescence antibodies to Ricketssia conorii and made a complete recovery with appropriate antibiotic therapy and supportive care. Conclusion Rickettsial infections can present with diverse manifestations. Even the patients with severe organ involvements such as myocarditis and ARDS can be completely cured if timely identified and treated.
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Affiliation(s)
- H M L Y Herath
- Department of General Medicine, General Hospital (Teaching), Kandy, Sri Lanka.
| | - J M H D Jayasundara
- Department of General Medicine, General Hospital (Teaching), Kandy, Sri Lanka
| | - S D N Senadhira
- Department of General Medicine, General Hospital (Teaching), Kandy, Sri Lanka
| | - S A M Kularatne
- Department of Medicine, Faculty of Medicine, University of Peradeniya, Kandy, Sri Lanka
| | - W K S Kularatne
- Department of General Medicine, General Hospital (Teaching), Kandy, Sri Lanka
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Obiegala A, Silaghi C. Candidatus Neoehrlichia Mikurensis—Recent Insights and Future Perspectives on Clinical Cases, Vectors, and Reservoirs in Europe. CURRENT CLINICAL MICROBIOLOGY REPORTS 2018. [DOI: 10.1007/s40588-018-0085-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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