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Aydın O, Ergen P, Ozturan B, Ozkan K, Arslan F, Vahaboglu H. Rifampin-accompanied antibiotic regimens in the treatment of prosthetic joint infections: a frequentist and Bayesian meta-analysis of current evidence. Eur J Clin Microbiol Infect Dis 2020; 40:665-671. [PMID: 33125602 DOI: 10.1007/s10096-020-04083-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Accepted: 10/22/2020] [Indexed: 12/19/2022]
Abstract
Prosthetic joint infections cause serious morbidity and mortality among joint arthroplasty patients. Rifampin-accompanied antibiotic regimens are recommended for gram-positive infections. This study aimed to combine current evidence supporting the rifampin supplement to an effective antibiotic in the treatment of prosthetic joint infections. We conducted a random-effects meta-analysis with frequentist and Bayesian approaches. A total of 13 studies, all observational, were included in the final analysis. The predominant bacteria in eight, two, and three studies were Staphylococcus spp., Propionibacterium spp., and Streptococcus spp., respectively. We pooled data from 568 patients in the staphylococcus subset (OR, 1.18; 95% CIs, [0.76; 1.82]; I2 = 23%) and data from 80 patients in the propionibacterium subset (REM OR, 1.61; 95% CIs [0.58; 4.47]; I2 = 0%). Both were insignificant with little heterogeneity. We pooled data from 483 patients in the streptococcus subset; the pooled estimate in this subset favored the use of rifampin supplemented regimens (1.84; [0.90; 3.76]) with moderate to high unaccounted heterogeneity (I2 = 57%). Bayesian random-effects models produced a posterior probability density indicating that future studies will not favor rifampin supplementation in Staphylococcus infections (μ, 0.074; τ, 0.570; 89% HPD, [- 0.48; 0.54]). Bayesian posterior distribution in the Streptococcus subset displayed a tendency toward rifampin supplementation. Studies had a substantial selection bias. Available evidence did not encourage rifampin-accompanied regimens for staphylococcal infections.
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Affiliation(s)
- Ozlem Aydın
- Enfeksiyon Hastalıkları ve Klinik Mikrobiyoloji Anabilim Dalı, Göztepe Eğitim ve Araştırma Hastanesi, İstanbul Medeniyet Üniversitesi, Dr. Erkin Caddesi, 34722, Kadıköy, Istanbul, Turkey
| | - Pinar Ergen
- Enfeksiyon Hastalıkları ve Klinik Mikrobiyoloji Anabilim Dalı, Göztepe Eğitim ve Araştırma Hastanesi, İstanbul Medeniyet Üniversitesi, Dr. Erkin Caddesi, 34722, Kadıköy, Istanbul, Turkey
| | - Burak Ozturan
- Ortopedi Anabilim Dalı, İstanbul Medeniyet Üniversitesi, Istanbul, Turkey
| | - Korhan Ozkan
- Ortopedi Anabilim Dalı, İstanbul Medeniyet Üniversitesi, Istanbul, Turkey
| | - Ferhat Arslan
- Enfeksiyon Hastalıkları ve Klinik Mikrobiyoloji Anabilim Dalı, Göztepe Eğitim ve Araştırma Hastanesi, İstanbul Medeniyet Üniversitesi, Dr. Erkin Caddesi, 34722, Kadıköy, Istanbul, Turkey
| | - Haluk Vahaboglu
- Enfeksiyon Hastalıkları ve Klinik Mikrobiyoloji Anabilim Dalı, Göztepe Eğitim ve Araştırma Hastanesi, İstanbul Medeniyet Üniversitesi, Dr. Erkin Caddesi, 34722, Kadıköy, Istanbul, Turkey.
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Abstract
Despite multiple studies, the role of cytomegalovirus [CMV] infection in exacerbating the severity of inflammation in ulcerative colitis [UC], and its response to treatment, remain debatable. Additionally, the optimal diagnostic tests for CMV infection in the setting of UC relapse, and timing of antiviral treatment initiation, remain unclear. The challenge faced by gastroenterologists is to differentiate between an acute UC flare and true CMV colitis. It seems that the presence of CMV colitis, as defined by the presence of intranuclear or intracellular inclusion bodies on haematoxylin and eosin [H&E] staining and/or positive immunohistochemistry [IHC] assay on histology, is associated with more severe colitis. Patients with CMV infection and acute severe colitis are more resistant to treatment with corticosteroids than non-infected patients. This refractoriness to steroids is related to colonic tissue CMV viral load and number of inclusion bodies [high-grade CMV infection] which may have a pronounced effect on clinical outcomes and colectomy rates. Whereas many studies showed no effect for antiviral treatment on colectomy rates in CMV-infected UC patients, there was a significant difference in colectomy rates of patients with high-grade infection who received anti-viral therapy compared with those who did not receive treatment. It was therefore proposed that high-grade CMV disease indicates that the virus is acting as a pathogen, whereas in those with low-grade CMV disease, the severity of IBD itself is more likely to influence outcome. The different algorithms that have been put forward for the management of patients with UC and concomitant CMV infection are discussed.
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Affiliation(s)
- Fadi H Mourad
- Department of Internal Medicine, American University of Beirut Medical Centre, Beirut, Lebanon
- Gastroenterology and Liver Services, Concord Hospital, Sydney, NSW, Australia
| | - Jana G Hashash
- Department of Internal Medicine, American University of Beirut Medical Centre, Beirut, Lebanon
| | - Viraj C Kariyawasam
- Gastroenterology and Liver Services, Concord Hospital, Sydney, NSW, Australia
| | - Rupert W Leong
- Gastroenterology and Liver Services, Concord Hospital, Sydney, NSW, Australia
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Arslan F, Vahaboğlu H. Cytomegalovirus and inflammatory bowel disease; reconsidering a 'result or reason dilemma' in terms of viral pathogenesis and medical ethics. Expert Rev Gastroenterol Hepatol 2020; 14:307-309. [PMID: 32228242 DOI: 10.1080/17474124.2020.1745631] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Ferhat Arslan
- Department of Infectious Diseases and Clinical Microbiology, Istanbul Medeniyet University , Istanbul, Turkey
| | - Haluk Vahaboğlu
- Department of Infectious Diseases and Clinical Microbiology, Istanbul Medeniyet University , Istanbul, Turkey
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Yokoyama Y, Yamakawa T, Hirano T, Kazama T, Hirayama D, Wagatsuma K, Nakase H. Current Diagnostic and Therapeutic Approaches to Cytomegalovirus Infections in Ulcerative Colitis Patients Based on Clinical and Basic Research Data. Int J Mol Sci 2020; 21:ijms21072438. [PMID: 32244555 PMCID: PMC7177554 DOI: 10.3390/ijms21072438] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 03/28/2020] [Accepted: 03/30/2020] [Indexed: 12/12/2022] Open
Abstract
Human cytomegalovirus (HCMV) is a ubiquitous herpesvirus (the human herpesvirus 5) and an opportunistic pathogen that primarily infects HIV-positive and other immuno-compromised patients. Retrospective studies in the field of inflammatory bowel disease (IBD) have suggested a relationship between a concomitant colonic HCMV infection and poor outcomes in patients with an ulcerative colitis (UC) due to the presence of HCMV in surgical specimens of patients with a toxic megacolon or a steroid-resistant UC. Therefore, gastroenterologists have focused on the contribution of HCMV infections in the exacerbation of UC. Numerous studies have addressed the benefits of treating colonic HCMV reactivation in UC using an antiviral treatment. However, its clinical relevance remains uncertain as only a few prospective studies have assessed the direct relationship between clinical outcomes and the viral load of HCMV in colonic tissues. HCMV reactivation can be triggered by inflammation according to fundamental research studies. Thus, optimal control of intestinal inflammation is essential for preventing an HCMV reactivation in the intestinal mucosa. Indeed, several reports have indicated the effectiveness of an anti-tumor necrosis factor-alpha (TNFα) treatment in patients with an active UC and concomitant HCMV infections. In this review, we describe the mechanism of HCMV reactivation in UC cases and discuss the current issues regarding diagnosis and treatment of HCMV infections in UC patients.
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