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Mishra AK, Bansal K, Al-Seykal I, Bhattad PB, George AA, Jha A, Sharma N, Sargent J, Kranis MJ. Echocardiographic predictors and associated outcomes of multiple vegetations in infective endocarditis: A pilot study. World J Cardiol 2024; 16:318-328. [PMID: 38993586 PMCID: PMC11235202 DOI: 10.4330/wjc.v16.i6.318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Revised: 04/27/2024] [Accepted: 05/15/2024] [Indexed: 06/24/2024] Open
Abstract
BACKGROUND Infective endocarditis (IE) is a life-threatening infection with an annual mortality of 40%. Embolic events reported in up to 80% of patients. Vegetations of > 10 mm size are associated with increased embolic events and poor prognosis. There is a paucity of literature on the association of multiple vegetations with outcome. AIM To study the echocardiographic (ECHO) features and outcomes associated with the presence of multiple vegetations. METHODS In this retrospective, single-center, cohort study patients diagnosed with IE were recruited from June 2017 to June 2019. A total of 84 patients were diagnosed to have IE, of whom 67 with vegetation were identified. Baseline demographic, clinical, laboratory, and ECHO parameters were reviewed. Outcomes that were studied included recurrent admission, embolic phenomenon, and mortality. RESULTS Twenty-three (34%) patients were noted to have multiple vegetations, 13 (56.5%) were male and 10 (43.5%) were female. The mean age of these patients was 50. Eight (35%) had a prior episode of IE. ECHO features of moderate to severe valvular regurgitation [odds ratio (OR) = 4], presence of pacemaker lead (OR = 4.8), impaired left ventricle (LV) relaxation (OR = 4), and elevated pulmonary artery systolic pressure (PASP) (OR = 2.2) are associated with higher odds of multiple vegetations. Of these moderate to severe valvular regurgitation (P = 0.028), pacemaker lead (P = 0.039) and impaired relaxation (P = 0.028) were statistically significant. These patients were noted to have an increased association of recurrent admissions (OR = 3.6), recurrent bacteremia (OR = 2.4), embolic phenomenon (OR = 2.5), intensive care unit stay (OR = 2.8), hypotension (OR = 2.1), surgical intervention (OR = 2.8) and device removal (OR = 4.8). Of this device removal (P = 0.039) and recurrent admissions (P = 0.017) were statistically significant. CONCLUSION This study highlights the associations of ECHO predictors and outcomes in patients with IE having multiple vegetations. ECHO features of moderate to severe regurgitation, presence of pacemaker lead, impaired LV relaxation, and elevated PASP and outcomes including recurrent admissions and device removal were found to be associated with multiple vegetations.
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Affiliation(s)
- Ajay Kumar Mishra
- Division of Cardiology, Saint Vincent Hospital, Worcester, MA 01608, United States.
| | - Kannu Bansal
- Department of Internal Medicine, Saint Vincent Hospital, Worcester, MA 01608, United States
| | - Ibragim Al-Seykal
- Department of Medicine, Division of Cardiology, Saint Vincent Hospital, Worcester, MA 01608, United States
| | - Pradnya B Bhattad
- Division of Cardiology, Saint Vincent Hospital, Worcester, MA 01608, United States
| | - Anu Anna George
- Department of Internal Medicine, Saint Vincent Hospital, Worcester, MA 01608, United States
| | - Anil Jha
- Division of Cardiology, Saint Vincent Hospital, Worcester, MA 01608, United States
| | - Nitish Sharma
- Division of Cardiology, Saint Vincent Hospital, Worcester, MA 01608, United States
| | - Jennifer Sargent
- Department of Internal Medicine, Saint Vincent Hospital, Worcester, MA 01608, United States
| | - Mark J Kranis
- Division of Cardiovascular Medicine, Saint Vincent Hospital, Worcester, MA 01608, United States
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Ali M, Rundhawa G, Kashyap R, Vranian MN. Progressively Prolonged PR Interval and Aortic Abscess. Cureus 2023; 15:e45341. [PMID: 37720134 PMCID: PMC10504679 DOI: 10.7759/cureus.45341] [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] [Accepted: 09/15/2023] [Indexed: 09/19/2023] Open
Abstract
Regular electrocardiogram (ECG) monitoring in patients with endocarditis of the aortic region is a simple yet effective approach to help evaluate for the development of aortic abscess. It is important to recognize this condition as it carries a high morbidity and mortality. We report a case of a 62-year-old Caucasian female diagnosed with methicillin-sensitive Staphylococcus aureus (MSSA) bacteremia with mitral and aortic endocarditis. Progressive PR prolongation prompted re-evaluation, ultimately finding the progression of a new aortic abscess, changing the patient's care pathway. With a standardized approach of obtaining regular ECGs in patients with aortic endocarditis, it is possible to identify the progression of aortic valve endocarditis, thereby lowering the risk of morbidity and mortality.
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Affiliation(s)
- Murtaza Ali
- Department of Internal Medicine, Wellspan York Hospital, York, USA
| | - Gohar Rundhawa
- Department of Internal Medicine, Wellspan York Hospital, York, USA
| | - Rahul Kashyap
- Department of Research, Wellspan York Hospital, York , USA
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Eskander PN, Panchangam C, Dyke PC, Padhye A. Fever of Unknown Origin in a Previously Healthy Child. Clin Pediatr (Phila) 2023; 62:255-260. [PMID: 36028951 DOI: 10.1177/00099228221117631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
| | - Chaitanya Panchangam
- Department of Child Health, School of Medicine, University of Missouri, Columbia, MO, USA
| | - Peter C Dyke
- Department of Child Health, School of Medicine, University of Missouri, Columbia, MO, USA
| | - Amruta Padhye
- Department of Child Health, School of Medicine, University of Missouri, Columbia, MO, USA
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Mahmoud K, Hammouda T, Kandil H, Mashaal M. Prevalence and predictors of aortic root abscess among patients with left-sided infective endocarditis: a cross-sectional comparative study. Egypt Heart J 2020; 72:62. [PMID: 32990862 PMCID: PMC7524951 DOI: 10.1186/s43044-020-00098-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Accepted: 09/15/2020] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Aortic root abscess (ARA) is a major complication of infective endocarditis that is associated with increased morbidity and mortality. Limited data are present about patient characteristics and outcomes in this lethal disease. We aimed to study the clinical and echocardiographic characteristics of patients with ARA compared to patients with left-sided infective endocarditis without ARA. We included patients with a definite diagnosis of left-sided infective endocarditis according to modified Duke's criteria. The patients were classified into two groups according to the presence of ARA (ARA and NO-ARA groups). All the patients were studied regarding their demographic data, clinical characteristics, laboratory and imaging data, and complications. RESULTS We included 285 patients with left-sided infective endocarditis. The incidence of ARA was 21.4% (61 patients). Underlying heart disease, mechanical prosthesis, bicuspid aortic valve, and prior IE were significantly higher in ARA. The level of CRP was higher in ARA (p = 0.03). ARA group showed more aortic valve vegetations (73.8% vs. 37.1%, p < 0.001), more aortic paravalvular leakage (26.7% vs. 4.5%, p < 0.001), and less mitral valve vegetations (21.3% vs. 68.8%, p < 0.001). Logistic regression analysis showed that the odds of ARA increased in the following conditions: aortic paravalvular leak (OR 3.9, 95% CI 1.2-13, p = 0.03), mechanical prosthesis (OR 3.6, 95% CI 1.5-8.7, p = 0.005), aortic valve vegetations (OR 3.0, 95% CI 1.2-8.0, p = 0.02), and undetected organism (OR 2.3, 95% CI 1.1-4.6, p = 0.02), while the odds of ARA decreased with mitral valve vegetations (OR 0.2, 95% CI 0.08-0.5, p = 0.001). We did not find a difference between both groups regarding the incidence of major complications, including in-hospital mortality. CONCLUSION In our study, ARA occurred in one fifth of patients with left-sided IE. Patients with mechanical prosthesis, aortic paravalvular leakage, aortic vegetations, and undetected organisms had higher odds of ARA, while patients with mitral vegetations had lower odds of ARA.
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Ramanathan A, Witten JC, Gordon SM, Griffin BP, Pettersson GB, Shrestha NK. Factors associated with local invasion in infective endocarditis: a nested case-control study. Clin Microbiol Infect 2020; 27:1011-1014. [PMID: 32919070 DOI: 10.1016/j.cmi.2020.09.003] [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: 07/10/2020] [Revised: 08/24/2020] [Accepted: 09/01/2020] [Indexed: 11/16/2022]
Abstract
OBJECTIVE A substantial proportion of infective endocarditis (IE) cases are complicated by local invasion. The purpose of this study was to identify patient and disease characteristics associated with local invasion in surgically treated IE patients. METHODS This was a nested case-control study. All episodes of IE for patients admitted to Cleveland Clinic from 1 January 2013 to 30 June 2016 were identified from the Cleveland Clinic IE Registry. Patients ≥18 years of age who underwent surgery for IE were included. Among these, cases were those with local invasion, controls were those without. Local invasion, defined as periannular extension, paravalvular abscess, intracardiac fistula or pseudoaneurysm, was ascertained from the surgical operative note. Associations of selected factors with local invasion were examined in a multivariable logistic regression model. RESULTS Among 511 patients who met inclusion criteria, 215 had local invasion. Mean age was 56 years; 369 were male. Overall 345 (68%) had aortic valve, 228 (45%) mitral valve, and 66 (13%) tricuspid or pulmonic valve involvement. Aortic valve involvement (OR 6.23, 95% CI 3.55-11.44), bioprosthetic valve (OR 3.88, 95% CI 2.36-6.44), significant paravalvular leak (OR 3.80, 95% CI 1.60-9.89), new atrioventricular nodal block (OR 3.77, 95% CI 1.87-7.90), infection with streptococci other than viridans group streptococci (OR 7.54, 95% CI 2.42-24.87) and presence of central nervous system emboli (OR 1.85, 95% CI 1.13-3.04) were associated with local invasion. DISCUSSION Intracardiac and microorganism factors, but not comorbid conditions, are associated with local invasion in IE.
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Affiliation(s)
- Abarna Ramanathan
- Department of Infectious Diseases, Cleveland Clinic, Cleveland, OH, USA.
| | - James C Witten
- Department of Cardiothoracic Surgery, Cleveland Clinic, Cleveland, OH, USA
| | - Steven M Gordon
- Department of Infectious Diseases, Cleveland Clinic, Cleveland, OH, USA
| | - Brian P Griffin
- Department of Cardiology, Cleveland Clinic, Cleveland, OH, USA
| | - Gosta B Pettersson
- Department of Cardiothoracic Surgery, Cleveland Clinic, Cleveland, OH, USA
| | - Nabin K Shrestha
- Department of Infectious Diseases, Cleveland Clinic, Cleveland, OH, USA
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Velangi PS, Kalra R, Markowitz J, Nijjar PS. Utility of CT in the diagnosis of prosthetic valve abnormalities. J Card Surg 2020; 35:3025-3033. [PMID: 32827165 DOI: 10.1111/jocs.14966] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 07/30/2020] [Accepted: 08/10/2020] [Indexed: 02/05/2023]
Abstract
BACKGROUND Patients with prosthetic heart valves (PHV) are at an increased risk of endocarditis and dysfunction. Knowledge about the etiology of dysfunction and extent of endocarditis can have distinct treatment implications. Echocardiography has limitations due to PHV-related artifacts. We hypothesized that computed tomography (CT) will have incremental value over echocardiography for evaluation of PHV abnormalities with surgical findings as the reference standard. METHODS Consecutive patients with PHV that had a reoperation for valve replacement, had a contrast chest CT and echocardiogram within 1 year of the reoperation, between 2010 and 2018 at a single academic center formed the study cohort. CTs and echocardiograms were assessed for potential etiologies of dysfunction (valve degeneration, pannus and thrombus); and for extent of endocarditis (vegetation, abscess, and pseudoaneurysm). RESULTS Seventy-three patients (65.8% male, mean age 62.1 ± 16.5 years) formed the study cohort. The indication for reoperation was PHV dysfunction in 51 and PHV endocarditis in 22. Compared to echocardiography, CT diagnosed the etiology of PHV dysfunction in 17 (33.3%) more patients (9 valve degeneration, 8 pannus). In the PHV endocarditis cohort, CT failed to detect one vegetation and one abscess, whereas echocardiography failed to detect 1 abscess. In combination, CT and echocardiography demonstrated all the vegetations and abscesses. CONCLUSION CT may provide superior characterization in comparison to echocardiography for the identification of the cause of prosthetic valve dysfunction, and complementary information to echocardiography for the evaluation of prosthetic valve endocarditis.
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Affiliation(s)
- Pratik S Velangi
- Cardiovascular Division, University of Minnesota Medical School, Minneapolis, Minnesota
| | - Rajat Kalra
- Cardiovascular Division, University of Minnesota Medical School, Minneapolis, Minnesota
| | - Jeremy Markowitz
- Cardiovascular Division, University of Minnesota Medical School, Minneapolis, Minnesota
| | - Prabhjot S Nijjar
- Cardiovascular Division, University of Minnesota Medical School, Minneapolis, Minnesota
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Colville T, Sharma V, Albouaini K. Infective endocarditis in intravenous drug users: a review article. Postgrad Med J 2015; 92:105-11. [DOI: 10.1136/postgradmedj-2015-133648] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2015] [Accepted: 11/25/2015] [Indexed: 11/04/2022]
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Baddour LM, Wilson WR, Bayer AS, Fowler VG, Tleyjeh IM, Rybak MJ, Barsic B, Lockhart PB, Gewitz MH, Levison ME, Bolger AF, Steckelberg JM, Baltimore RS, Fink AM, O'Gara P, Taubert KA. Infective Endocarditis in Adults: Diagnosis, Antimicrobial Therapy, and Management of Complications: A Scientific Statement for Healthcare Professionals From the American Heart Association. Circulation 2015; 132:1435-86. [PMID: 26373316 DOI: 10.1161/cir.0000000000000296] [Citation(s) in RCA: 1889] [Impact Index Per Article: 209.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND Infective endocarditis is a potentially lethal disease that has undergone major changes in both host and pathogen. The epidemiology of infective endocarditis has become more complex with today's myriad healthcare-associated factors that predispose to infection. Moreover, changes in pathogen prevalence, in particular a more common staphylococcal origin, have affected outcomes, which have not improved despite medical and surgical advances. METHODS AND RESULTS This statement updates the 2005 iteration, both of which were developed by the American Heart Association under the auspices of the Committee on Rheumatic Fever, Endocarditis, and Kawasaki Disease, Council on Cardiovascular Disease of the Young. It includes an evidence-based system for diagnostic and treatment recommendations used by the American College of Cardiology and the American Heart Association for treatment recommendations. CONCLUSIONS Infective endocarditis is a complex disease, and patients with this disease generally require management by a team of physicians and allied health providers with a variety of areas of expertise. The recommendations provided in this document are intended to assist in the management of this uncommon but potentially deadly infection. The clinical variability and complexity in infective endocarditis, however, dictate that these recommendations be used to support and not supplant decisions in individual patient management.
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Bin Abdulhak AA, Baddour LM, Erwin PJ, Hoen B, Chu VH, Mensah GA, Tleyjeh IM. Global and regional burden of infective endocarditis, 1990-2010: a systematic review of the literature. Glob Heart 2015; 9:131-43. [PMID: 25432123 DOI: 10.1016/j.gheart.2014.01.002] [Citation(s) in RCA: 137] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Infective endocarditis (IE) is a life-threatening disease associated with serious complications. The GBD 2010 (Global Burden of Disease, Injuries, and Risk Factors) study IE expert group conducted a systematic review of IE epidemiology literature to inform estimates of the burden on IE in 21 world regions in 1990 and 2010. The disease model of IE for the GBD 2010 study included IE death and 2 sequelae: stroke and valve surgery. Several medical and science databases were searched for IE epidemiology studies in GBD high-, low-, and middle-income regions published between 1980 and 2008. The epidemiologic parameters of interest were IE incidence, proportions of IE patients who developed stroke or underwent valve surgery, and case fatality. Literature searches yielded 1,975 unique papers, of which 115 published in 10 languages were included in the systematic review. Eligible studies were population-based (17%), multicenter hospital-based (11%), and single-center hospital-based studies (71%). Population-based studies were reported from only 6 world regions. Data were missing or sparse in many low- and middle-income regions. The crude incidence of IE ranged between 1.5 and 11.6 cases per 100,000 people and was reported from 10 countries. The overall mean proportion of IE patients that developed stroke was 0.158 ± 0.091, and the mean proportion of patients that underwent valve surgery was 0.324 ± 0.188. The mean case fatality risk was 0.211 ± 0.104. A systematic review for the GBD 2010 study provided IE epidemiology estimates for many world regions, but highlighted the lack of information about IE in low- and middle-income regions. More complete knowledge of the global burden of IE will require improved IE surveillance in all world regions.
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Affiliation(s)
- Aref A Bin Abdulhak
- Department of Medicine, School of Medicine, University of Missouri-Kansas City, Kansas City, MO, USA
| | - Larry M Baddour
- Division of Infectious Diseases, Mayo Clinic, Rochester, MN, USA
| | | | - Bruno Hoen
- Department of Infectious Diseases, Dermatology, and Internal Medicine, University Medical Center of Guadeloupe, Cedex, France
| | - Vivian H Chu
- Division of Infectious Diseases, Department of Medicine, Duke University Medical Center, Durham, NC, USA
| | - George A Mensah
- Center for Translation Research and Implementation Science (CTRIS), National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA
| | - Imad M Tleyjeh
- Division of Infectious Diseases, Mayo Clinic, Rochester, MN, USA; Division of Epidemiology, Mayo Clinic, Rochester, MN, USA; Department of Medicine, Infectious Diseases Section, King Fahad Medical City, Riyadh, Saudi Arabia; College of Medicine, Al Faisal University, Riyadh, Saudi Arabia.
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Cardiac Tamponade following Mitral Valve Replacement for Active Infective Endocarditis with Ring Abscess. Case Rep Cardiol 2015; 2015:790213. [PMID: 25688306 PMCID: PMC4320934 DOI: 10.1155/2015/790213] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2014] [Revised: 12/22/2014] [Accepted: 12/24/2014] [Indexed: 12/03/2022] Open
Abstract
Periannular extension and abscess formation are rare but deadly complications of infective endocarditis (IE) with high mortality. Multimodality cardiac imaging, invasive and noninvasive, is needed to accurately define the extent of the disease. Debridement, reconstruction, and valve replacement, often performed in an emergent setting, remain the treatment of choice. Here we present a case of severe IE in a 29-year-old intravenous drug user who after undergoing debridement of the abscess, annular reconstruction, and mitral valve replacement (MVR) presented with recurrence of shortness of breath and pedal edema. Transthoracic echocardiogram (TTE) showed a 6.2 × 5.5 cm cavity, posterior to and communicating with the left ventricle through a 3 cm wide fistulous opening, in proximity of the reconstructed mitral annulus. The patient underwent a redo MVR with patch closure of the fistulous opening, with good clinical outcome. This case highlights the classic TTE findings and the necessity for close follow-up in the perioperative period in patients undergoing surgery for periannular extension of infection. A cardiac magnetic resonance imaging can be considered, preoperatively, in such cases to identify the extent of myocardial involvement and surgical planning.
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Okada K, Okita Y. Surgical treatment for aortic periannular abscess/pseudoaneurysm caused by infective endocarditis. Gen Thorac Cardiovasc Surg 2012; 61:175-81. [DOI: 10.1007/s11748-012-0152-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2012] [Indexed: 01/27/2023]
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Presence of conduction abnormalities as a predictor of clinical outcomes in patients with infective endocarditis. Heart Vessels 2011; 26:298-305. [DOI: 10.1007/s00380-010-0055-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2009] [Accepted: 04/23/2010] [Indexed: 10/18/2022]
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Gelbart B, Connell TG, Konstantinov IE, Phillips R, Starr M. Kingella kingae endocardial abscess and cerebral infarction in a previously well immunocompetent child. BMJ Case Rep 2009; 2009:bcr09.2009.2238. [PMID: 22190987 DOI: 10.1136/bcr.09.2009.2238] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
Kingella kingae is an emerging paediatric pathogen that most commonly is associated with relatively benign osteoarticular disease in children. This report concerns a 1-year-old child with Kingella kingae endocarditis and perivalvular abscess complicated by septic cerebral emboli and osteomyelitis leading to long-term neurological sequelae, highlighting the capacity of this organism to cause severe invasive disease in children.
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Affiliation(s)
- Ben Gelbart
- Royal Children's Hospital, Infectious Diseases Unit and Department of General Medicine, Flemington Road Parkville, Melbourne, Victoria, 3052, Australia
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Dzudie A, Mercusot A, de Gevigney G, Delahaye F. [Timing and indications for surgical intervention in infective endocarditis]. Ann Cardiol Angeiol (Paris) 2008; 57:93-7. [PMID: 18402927 DOI: 10.1016/j.ancard.2008.02.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2008] [Accepted: 02/21/2008] [Indexed: 11/17/2022]
Abstract
This paper reviews current knowledge on the indications for and timing of cardiac surgery in patients with infective endocarditis. The main indications for surgery are haemodynamic compromise, persisting infection, peripheral embolisation, large size of vegetations, large valvular and paravalvular damage and infections caused by certain microorganisms.
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Affiliation(s)
- A Dzudie
- Service cardiologique, hôpital Louis-Pradel, 28, avenue du Doyen-Lépine, 69677 Bron cedex, France
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Abstract
Echocardiography is a most useful bedside tool to help in the diagnosis and subsequent management of patients with infective endocarditis. Transesophageal echocardiography provides complementary and often incremental information necessary in making a diagnosis, and in identifying associated intracardiac complications. This chapter will focus on the role of echocardiography in the diagnosis and management of infective endocarditis.
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Prevention and Treatment of Endocarditis. Cardiovasc Ther 2007. [DOI: 10.1016/b978-1-4160-3358-5.50050-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Anguera I, Miro JM, San Roman JA, de Alarcon A, Anguita M, Almirante B, Evangelista A, Cabell CH, Vilacosta I, Ripoll T, Muñoz P, Navas E, Gonzalez-Juanatey C, Sarria C, Garcia-Bolao I, Fariñas MC, Rufi G, Miralles F, Pare C, Fowler VG, Mestres CA, de Lazzari E, Guma JR, del Río A, Corey GR. Periannular complications in infective endocarditis involving prosthetic aortic valves. Am J Cardiol 2006; 98:1261-8. [PMID: 17056343 DOI: 10.1016/j.amjcard.2006.05.066] [Citation(s) in RCA: 79] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2006] [Revised: 05/30/2006] [Accepted: 05/30/2006] [Indexed: 01/11/2023]
Abstract
The periannular extension of infection in prosthetic valve endocarditis (PVE) is a serious complication of infective endocarditis associated with high mortality. Periannular lesions in PVE occasionally rupture into adjacent cardiac chambers, leading to aortocavitary fistulae and intracardiac shunting. It is unknown whether the prognosis of patients with aortocavitary fistulae is worse than that of those with nonruptured abscesses. The aims of this study were to determine the distinctive clinical characteristics of patients with PVE and either aortocavitary fistulization or nonruptured abscesses. In a retrospective multicenter study of >872 PVE episodes, 150 patients (17%) with periannular complications in PVE in the aortic position were identified (29 with aortocavitary fistulization and 121 with nonruptured abscesses). Early-onset PVE was present in 73 patients (49%). Rates of heart failure (p = 0.09), ventricular septal defect (p <0.01), and third-degree atrioventricular block (p = 0.07) were higher in patients with fistulization. Surgical treatment was undertaken in 128 patients (83%). In-hospital mortality in the overall population was 39%. Multivariate analysis identified heart failure (odds ratio [OR] 3.3, 95% confidence interval [CI] 1.6 to 6.8), renal failure (OR 2.5, 95% CI 1.2 to 5.2), and co-morbidity (OR 2.4, 95% CI 1.1 to 5.1) as independent risk factors for death. Fistulous tract formation was not associated with increased in-hospital mortality (OR 1.6, 95% CI 0.7 to 3.7). The actuarial 5-year survival rate in surgical survivors was 100% in patients with fistulae and 78% in patients with nonruptured abscesses (log-rank p = 0.14). In conclusion, aortocavitary fistulous tract formation in PVE complicated with periannular complications is associated with higher rates of heart failure, ventricular septal defect, and atrioventricular block than nonruptured abscesses. Despite the frequent complications, fistulous tract formation in the current era of infective endocarditis is not an independent risk factor for mortality.
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Affiliation(s)
- Ignasi Anguera
- Corporacio Sanitaria Parc Tauli-Hospital de Sabadell, Sabadell, Spain
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Anguera I, Miro JM, Evangelista A, Cabell CH, San Roman JA, Vilacosta I, Almirante B, Ripoll T, Fariñas MC, Anguita M, Navas E, Gonzalez-Juanatey C, Garcia-Bolao I, Muñoz P, de Alarcon A, Sarria C, Rufi G, Miralles F, Pare C, Fowler VG, Mestres CA, de Lazzari E, Guma JR, Moreno A, Corey GR. Periannular complications in infective endocarditis involving native aortic valves. Am J Cardiol 2006; 98:1254-60. [PMID: 17056342 DOI: 10.1016/j.amjcard.2006.06.016] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2006] [Revised: 06/07/2006] [Accepted: 06/07/2006] [Indexed: 01/11/2023]
Abstract
The extension of infection in native valve infective endocarditis (IE) from valvular structures to the periannular tissue is incompletely understood. It is unknown, for example, whether the prognosis of patients with aortocavitary fistulae is worse than that of those with nonruptured abscesses. The aims of this study were to determine the distinct clinical characteristics of patients with aortocavitary fistulae and nonruptured abscesses in native valve IE and to evaluate the impact of fistulization on the outcomes of patients with native aortic valve IE complicated with periannular lesions. In a retrospective multicenter study of 2,055 native valve IE episodes, 201 patients (9.8%) with periannular complications in aortic valve IE were identified (46 with aortocavitary fistulization and 155 with nonruptured abscesses). Rates of heart failure (p = 0.07), ventricular septal defect (p <0.001), and third-degree atrioventricular block (p = 0.07) were higher in patients with fistulization. Surgical treatment was undertaken in 172 patients (86%), and in-hospital mortality in the overall population was 29%. Multivariate analysis identified age >60 years (odds ratio [OR] 2.6, 95% confidence interval [CI] 1.3 to 5.2), renal failure (OR 3.0, 95% CI 1.5 to 6.0), and moderate or severe heart failure (OR 2.5, 95% CI 1.2 to 5.2) as independent risk factors for death. There was a trend toward increased in-hospital mortality in patients with aortocavitary fistulae (OR 1.5, 95% CI 0.7 to 3.0). The actuarial 5-year survival rate in surgical survivors was 80% in patients with fistulae and 92% in patients with nonruptured abscesses (log-rank p = 0.6). In conclusion, aortocavitary fistulous tract formation in the setting of native valve IE is associated with higher rates of heart failure, ventricular septal defect, and atrioventricular block than nonruptured abscess. Despite these higher rates of complications, fistulous tract formation in the current era of IE is not an independent risk factor for mortality.
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Affiliation(s)
- Ignasi Anguera
- Corporacio Sanitaria Parc Tauli-Hospital de Sabadell, Sabadell, Spain
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20
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Borghetti V, Bovelli D, D'Addario G, Fiaschini P, Fioriello F, Nardi S, Cappanera S, Pardini A. Importance of surgical timing on postoperative outcome in patients with native valve acute endocarditis. J Cardiovasc Med (Hagerstown) 2006; 7:793-9. [PMID: 17060804 DOI: 10.2459/01.jcm.0000250866.33036.b5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND The present study was undertaken to establish whether surgical outcome could be influenced by surgical timing in patients affected by native valve endocarditis (NVE). METHODS From March 2002 to December 2004, 19 patients underwent surgical operation for NVE. Aortic valve replacement (AVR) was performed in ten patients (53%), mitral valve repair (MVRep) was performed in five patients (26%) and multivalvular procedures were performed in the remaining four patients (21%). In three patients (15.5%), emergency surgery was required for refractory congestive heart failure, urgent surgery was necessary in ten patients [in six patients (31%) for paravalvular abscess, in three patients (15.5%) for macrovegetations and in one patient (6%) for systemic embolism, respectively], five patients (26.3%) with isolated valve incompetence underwent elective surgery, whereas delayed surgery was reserved for one patient (6%) because of pre-operative embolic stroke. RESULTS There were no surgical procedure, cardiac or infectious related deaths at 30 days in the entire group. One patient died from an intravenous overdose. Follow-up was 100% complete in the 18 hospital survivors and ranged from 4 to 37 months (mean 14.2 +/- 10 months). There were no late death, recurrence of endocarditis, or re-operation at follow-up. CONCLUSIONS The surgical results for NVE are excellent if surgical timing criteria are correctly applied during the acute phase of the infectious process. Immediate surgical correction is required when rapid hemodynamic deterioration occurs whereas a more aggressive surgical approach appears to be advisable in the case of paravalvular abscess, macrovegetations or systemic embolism. Delayed surgery is recommended when pre-operative stroke develops.
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Anguera I, del Río A, Moreno A, Paré C, Mestres CA, Miró JM. Complications of native and prosthetic valve infective endocarditis: Update in 2006. Curr Infect Dis Rep 2006; 8:280-8. [PMID: 16822371 DOI: 10.1007/s11908-006-0072-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Infective endocarditis is a rare disease associated with significant morbidity and mortality. In the past decades, there have been significant improvements in the management of infective endocarditis. Complications are frequent and include heart failure, embolic episodes, periannular complications, and central nervous system events. Surgical therapy has been fundamental in the reduction of mortality in complicated cases. This paper is an overview of the main complications of native and prosthetic infective endocarditis and its treatment.
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Affiliation(s)
- Ignasi Anguera
- University of Barcelona, Hospital Clinic Universitari, Helios-Villarroel Building--Desk no. 26, Villarroel, 170, 08036, Barcelona, Spain
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22
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Haldar SM, O'Gara PT. Infective endocarditis: diagnosis and management. ACTA ACUST UNITED AC 2006; 3:310-7. [PMID: 16729009 DOI: 10.1038/ncpcardio0535] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2005] [Accepted: 01/04/2006] [Indexed: 01/24/2023]
Abstract
Despite advances in antimicrobial therapy, diagnostic imaging and cardiac surgery, infective endocarditis (IE) remains challenging clinically and is associated with high morbidity and mortality. Diagnosis relies on several factors: initial clinical suspicion, microbiological data and echocardiographic findings. The use of an integrated diagnostic schema, such as the modified Duke criteria, is useful. Transthoracic or transesophageal echocardiography should be performed promptly for all suspected IE cases. Although the choice of investigation might be influenced by availability, the approach to imaging should be tailored to the individual's clinical situation. Promptly administered intravenous antimicrobial therapy is essential, while the use of antiplatelet or antithrombin therapy to prevent embolic complications is not supported by clinical data. Deciding whether to undertake cardiac surgery for the treatment of IE can be extremely difficult. The principal indications are the development of heart failure from acute, severe aortic or mitral regurgitation, or perivalvular extension of infection. The timing of surgery following central nervous system embolization is problematic because of the risk of hemorrhagic transformation. Prophylactic surgery to prevent embolization is currently advocated only for the management of large, mobile vegetations, when undertaken at centers performing high volumes of heart valve surgery. In this review, we describe diagnostic approaches for IE, particularly echocardiography, and provide recommendations for treatment, paying particular attention to surgery in the acute setting.
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Affiliation(s)
- Saptarsi M Haldar
- Cardiovascular Division, Brigham and Women's Hospital, Boston, MA 02115, USA
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23
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Coats W, Maroo A, Overly TL, Tang WHW. Changing conduction abnormalities in a dialysis patient with fever. Cardiol Rev 2006; 14:158-60. [PMID: 16628026 DOI: 10.1097/01.crd.0000175288.78047.ea] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
A patient on hemodialysis with severe aortic valve disease and presumed arteriovenous fistula infection was found to have new-onset atrial fibrillation and alternating left and right bundle branch block patterns on serial electrocardiograms. These findings prompted transesophageal echocardiography, which revealed a large abscess involving the intervalvular fibrosa and the posterior cusp of the bicuspid aortic valve. Hence, basic bedside diagnostic skills remain important in the era of sophisticated imaging techniques and laboratory analyses.
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Affiliation(s)
- Walter Coats
- Department of Internal Medicine, Cleveland Clinic Foundation, Cleveland, Ohio, USA
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Ozerkan F, Duygu H, Nalbantgil S, Cinar CS. Mycotic Aneurysms of Aortic Root and Aorta-to-Left Atrial Fistula Complicating Bicuspid Aortic Valve Endocarditis. Cardiology 2006; 105:110-2. [PMID: 16357480 DOI: 10.1159/000090203] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2005] [Accepted: 10/18/2005] [Indexed: 11/19/2022]
Abstract
Unlike root abscess, fistula formation is quite uncommon in aortic valve endocarditis. In this report, we describe a patient with subacute bicuspid aortic valve endocarditis complicated by aortic insufficiency, mycotic aneurysms of the aortic root and fistulous communication between the aorta and the left atrium and his recovery upon surgical treatment.
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Affiliation(s)
- Filiz Ozerkan
- Department of Cardiology, Ege University Medical School, Izmir, Turkey
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25
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Baddour LM, Wilson WR, Bayer AS, Fowler VG, Bolger AF, Levison ME, Ferrieri P, Gerber MA, Tani LY, Gewitz MH, Tong DC, Steckelberg JM, Baltimore RS, Shulman ST, Burns JC, Falace DA, Newburger JW, Pallasch TJ, Takahashi M, Taubert KA. Infective endocarditis: diagnosis, antimicrobial therapy, and management of complications: a statement for healthcare professionals from the Committee on Rheumatic Fever, Endocarditis, and Kawasaki Disease, Council on Cardiovascular Disease in the Young, and the Councils on Clinical Cardiology, Stroke, and Cardiovascular Surgery and Anesthesia, American Heart Association: endorsed by the Infectious Diseases Society of America. Circulation 2006; 111:e394-434. [PMID: 15956145 DOI: 10.1161/circulationaha.105.165564] [Citation(s) in RCA: 912] [Impact Index Per Article: 50.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND Despite advances in medical, surgical, and critical care interventions, infective endocarditis remains a disease that is associated with considerable morbidity and mortality. The continuing evolution of antimicrobial resistance among common pathogens that cause infective endocarditis creates additional therapeutic issues for physicians to manage in this potentially life-threatening illness. METHODS AND RESULTS This work represents the third iteration of an infective endocarditis "treatment" document developed by the American Heart Association under the auspices of the Committee on Rheumatic Fever, Endocarditis, and Kawasaki Disease, Council on Cardiovascular Disease of the Young. It updates recommendations for diagnosis, treatment, and management of complications of infective endocarditis. A multidisciplinary committee of experts drafted this document to assist physicians in the evolving care of patients with infective endocarditis in the new millennium. This extensive document is accompanied by an executive summary that covers the key points of the diagnosis, antimicrobial therapy, and management of infective endocarditis. For the first time, an evidence-based scoring system that is used by the American College of Cardiology and the American Heart Association was applied to treatment recommendations. Tables also have been included that provide input on the use of echocardiography during diagnosis and treatment of infective endocarditis, evaluation and treatment of culture-negative endocarditis, and short-term and long-term management of patients during and after completion of antimicrobial treatment. To assist physicians who care for children, pediatric dosing was added to each treatment regimen. CONCLUSIONS The recommendations outlined in this update should assist physicians in all aspects of patient care in the diagnosis, medical and surgical treatment, and follow-up of infective endocarditis, as well as management of associated complications. Clinical variability and complexity in infective endocarditis, however, dictate that these guidelines be used to support and not supplant physician-directed decisions in individual patient management.
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26
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Anguera I, Miro JM, Cabell CH, Abrutyn E, Fowler VG, Hoen B, Olaison L, Pappas PA, de Lazzari E, Eykyn S, Habib G, Pare C, Wang A, Corey R. Clinical characteristics and outcome of aortic endocarditis with periannular abscess in the International Collaboration on Endocarditis Merged Database. Am J Cardiol 2005; 96:976-81. [PMID: 16188527 DOI: 10.1016/j.amjcard.2005.05.056] [Citation(s) in RCA: 70] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2005] [Revised: 05/26/2005] [Accepted: 05/23/2005] [Indexed: 11/30/2022]
Abstract
The aims of this study were to determine the clinical characteristics and outcome of patients who had definite infective endocarditis (IE) complicated by aortic ring abscess formation that was detected with transesophageal echocardiography (TEE) and to determine the prognostic significance of abscess formation in aortic valve IE. Patients who had aortic valve IE were selected from the International Collaboration on Endocarditis Merged Database (ICE-MD) if they underwent TEE. Among 311 patients who had definite aortic valve IE, 67 (22%) had periannular abscesses. They were more likely to have infection in the setting of a prosthetic valve (40% vs 19%, p <0.001) and coagulase-negative staphylococcal IE (18% vs 6%, p < 0.01) and less likely to have streptococcal IE than were patients who did not develop abscess (28% vs 46%, p = 0.01). Systemic embolization, central nervous system events, and heart failure did not differ between those who developed abscess and those who did not, but power was limited. Patients who had abscess were more likely to undergo surgery (84% vs 36%, p <0.001), and their in-hospital mortality rate was higher (19% vs 11%, p = 0.09). Multivariate analysis of prognostic factors of mortality in aortic IE identified age (odds ratio [OR] 1.6, 95% confidence interval [CI]1.2 to 2.1), Staphylococcus aureus (S. aureus) infection (OR 2.4, 95% CI 1.1 to 5.2), and heart failure (OR 2.9, 95% CI 1.4 to 6.1) as variables that were independently associated with increased risk of death. Periannular abscess formation showed a nonsignificant trend toward an increased risk of death (OR 1.9, 95% CI 0.9 to 3.8). Multivariate analysis of prognostic factors of mortality in complicated aortic IE with abscess formation identified S. aureus infection (OR 6.9, 95% CI 1.6 to 29.4) as independently associated with increased risk of death. In conclusion, in the current era of TEE and high use of surgical treatment, periannular abscess formation in aortic valve IE is not an independent risk factor for mortality. S. aureus infection is an independent prognostic factor for mortality in patients who have abscess formation.
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Affiliation(s)
- Ignasi Anguera
- The Corporació Sanitària Parc Taulí, Hospital de Sabadell, University of Barcelona, Barcelona, Spain
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27
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Massoure PL, Kéreun E, Chevalier JM, Rigollaud JM, Bire F, Clémenty J, Roudaut R. [Severity of aortic ring abscess complicated by cardiac conduction abnormalities]. Ann Cardiol Angeiol (Paris) 2005; 54:132-7. [PMID: 15991468 DOI: 10.1016/j.ancard.2004.11.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
OBJECTIVE To determine clinical features, management and prognosis of cardiac conduction abnormalities (CCA) complicating abscessed endocarditis. METHODS We have analysed clinical, microbiologic and echocardiographic datas, therapies and outcome of cardiac abscesses complicated by CCA in patient hospitalized between 1995 and 2001 in our centre. RESULTS Above 35 cardiac abscesses, six men (mean age 62 years) had CCA complicating six aortic ring abscesses (4 on native valve and 2 on prosthetic valve) with four cases of interventricular septal involvement and fistulization. Severe heart failure is present four times, a septic cerebral embolization twice. Streptococcus and Staphylococcus prevail. Complete atrioventricular block (AVB) reveals endocarditis twice and complicates the evolution three times. Trifascicular block (first degree AVB, left anterior fascicular block and complete right bundle branch block) revealed recurrence of endocarditis. Two patients were treated medically: one died quickly (complete AVB pre-mortem), and the other one had favourable issue (paroxystic complete AVB). Four patients had surgery with temporary pacemaker in three cases (one died) then definitive pacemaker in two cases. At 26.5 month (7-50), the four survivors had no recurrence of endocarditis. CONCLUSION Severe CCA are classical in aortic ring abscessed endocarditis and associated with increased mortality. Immediate transfert in a dentre with cardiac surgery is necessary. Definitive cardiac pacing can be performed early without leads infection.
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Affiliation(s)
- P L Massoure
- Service de Cardiologie, Hôpital des Armées R-Picqué, Bordeaux, France.
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28
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Anguera I, Miro JM, Vilacosta I, Almirante B, Anguita M, Muñoz P, San Roman JA, de Alarcon A, Ripoll T, Navas E, Gonzalez-Juanatey C, Cabell CH, Sarria C, Garcia-Bolao I, Fariñas MC, Leta R, Rufi G, Miralles F, Pare C, Evangelista A, Fowler VG, Mestres CA, de Lazzari E, Guma JR. Aorto-cavitary fistulous tract formation in infective endocarditis: clinical and echocardiographic features of 76 cases and risk factors for mortality. Eur Heart J 2004; 26:288-97. [PMID: 15618052 DOI: 10.1093/eurheartj/ehi034] [Citation(s) in RCA: 164] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
AIMS To investigate the clinical features, echocardiographic characteristics, management, and prognostic factors of mortality of aorto-cavitary fistulization (ACF) in infective endocarditis (IE). Extension of infection in aortic valve IE beyond valvular structures may result in peri-annular complications with resulting necrosis and rupture, and subsequent development of ACF. Aorto-cavitary communications create intra-cardiac shunts, which may result in further clinical deterioration and haemodynamic instability. METHODS AND RESULTS In a retrospective multi-centre study over 4681 episodes of IE, a total of 76 patients with ACF [1.6%, confidence interval (CI) 95%: 1.2-2.0%] diagnosed by echocardiography or during surgery were identified. Fistulae were found in 1.8% of cases of native valve IE and in 3.5% of cases of prosthetic valve IE from the general population and in 0.4% of drug abusers. PVE was present in 31 (41%) cases of ACF. Transthoracic and transoesophageal echocardiography detected the fistulous tracts in 53 and 97% of cases, respectively. Peri-annular abscesses were detected in 78% of cases, fistulae originated in similar rates from the three sinuses of Valsalva, and the four cardiac chambers were equally involved in the fistulous tracts. Heart failure (HF) developed in 62% of cases and surgery was performed in 66 (87% CI 95% 77-93%) patients with a mortality of 41% (95% CI 30-53%) in the overall population. Multivariate analysis identified HF (OR 3.4, CI 95% 1.0-11.5), prosthetic IE (OR 4.6, CI 95% 1.4-15.4) and urgent or emergency surgical treatment (OR 4.3, CI 95% 1.3-16.6) as variables significantly associated with an increased risk of death. Major complications during follow-up (death, re-operation, or re-admission for HF) among the five operative survivors with residual fistulae occurred in 20 and 100% of patients at 1 and 2 years, respectively. CONCLUSION Aorto-cavitary fistulous tract formation is an uncommon but extremely serious complication of IE. In-hospital mortality was exceptionally high despite aggressive management with surgical intervention in the majority of patients. Prosthetic IE, urgent surgery, and the development of HF identify the subgroup of patients with IE and ACF that have significantly increased risk of in-hospital death.
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Affiliation(s)
- Ignasi Anguera
- Corporacio Sanitaria Parc Tauli-Hospital de Sabadell, Sabadell, Spain
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29
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Cosmi JE, Tunick PA, Kronzon I. Mortality in patients with paravalvular abscess diagnosed by transesophageal echocardiography. J Am Soc Echocardiogr 2004; 17:766-8. [PMID: 15220902 DOI: 10.1016/j.echo.2004.03.026] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Paravalvular abscess is a complication of endocarditis that may lead to persistent infection, conduction abnormalities, fistula formation, worsening congestive heart failure, and death. METHODS Between 1991 and 2001, paravalvular abscess was identified on transesophageal echocardiography in 24 patients who subsequently underwent surgical treatment. Echocardiographic findings were reviewed for location of abscess, presence of a valvular prosthesis, valvular function, and presence of vegetations. Information gathered included the time interval between transesophageal echocardiography diagnosis and operation, inhospital mortality, and microbiologic data. RESULTS Of 24 patients, 9 died, for a mortality of 38%. Of the patients who died, the average survival after operation was 43 days, with a range of 1 to 238 days. Of the 14 patients with significant valvular or paravalvular regurgitation, 8 died (57%). However, of the 10 patients with mild or no regurgitation, only 1 died (10%). This difference was statistically significant (P =.02). CONCLUSION Patients without preserved valve function (those with moderate or severe regurgitation) have a significantly worse outcome (57% mortality) than do those with normal valvular function (10% mortality).
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Affiliation(s)
- John E Cosmi
- New York University School of Medicine, New York, NY 10016, USA
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30
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Siniawski H, Grauhan O, Hofmann M, Pasic M, Weng Y, Yankah C, Lehmkuhl H, Hetzer R. Factors Influencing the Results of Double-Valve Surgery in Patients with Fulminant Endocarditis: The Importance of Valve Selection. Heart Surg Forum 2004; 7:E405-10. [PMID: 15799913 DOI: 10.1532/hsf98.20041075] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND Extension of infection below the aortic valve is a serious complication, especially with mitral valve involvement. Mortality is substantial and reinfection can strongly influence outcome. PATIENTS Of 327 surgical patients with active infective aortic valve endocarditis admitted to the Deutsches Herzzentrum Berlin for surgical treatment between December 1996 and December 2003, 108 had root abscess, and 53 (25.5%) had diagnoses of secondary infective mitral valve disease (SMVD). The mean age (+/-SD) was 53 +/- 14.2 years; there were 37 men and 16 women. METHODS The secondary lesion on the mitral valve was classified as SMVD requiring double-valve surgery (DVS). This prospective clinical and echocardiographic study revealed 2 paths of infection extension into the mitral valve. In the DVS group, 38 patients (71.7%) had tissue metastatic lesions, and 15 patients (28.3%) had a jet lesion on the mitral valve. Most patients (42) with SMVD had an aortic ring abscess as the primary lesion. RESULTS All patients with destructive endocarditic doublevalve disease received aortic and mitral valve surgery. In 19 cases (35.8%), mitral valve reconstruction was undertaken; in 4 cases, mitral valve replacement had to be carried out after attempted mitral valve reconstruction. Concomitant mitral valve replacement because of severe damage to the valvular and subvalvular apparatus was performed in 30 patients (56.6%). Other types of surgery performed in 11 cases (20.8%) were 8 closures of a septic ventricular septal defect and 3 closures of a fistula to the right ventricle or right atrium. Twenty-seven patients were treated with a Shelhigh prosthesis, 18 were treated with double-valve replacement (both Shelhigh), and 9 were treated with an aortic Shelhigh prosthesis and concomitant mitral valve reconstruction. Homografts were used in 17 patients, with mitral valve reconstruction carried out in 10 patients and a stented mitral prosthesis in 7. In 9 cases, 2 stented valve prostheses were used. There were 14 early (60 days) deaths (26.4%). Septic shock, severe annular and subannular destruction, and poor left ventricular function (end-diastolic dimension >65 mm, ejection fraction <40%) were the significant risk factors determined in the multivariate analysis. Function of Implants: Continuous and Color Doppler Investigation: Comparative studies of 2 different implants in the aortic position were performed late postoperatively (325 +/- 251 days) for homografts and the Shelhigh stentless prosthesis. The calculated instantaneous (maximal Doppler) gradient and the mean pressure gradient through the aortic implants were 19 +/- 10.4 mm Hg and 12 +/- 5.7 mm Hg, respectively, for the homografts and 24 +/- 8.4 mm Hg and 15 +/- 4.6 mm Hg, respectively, for the Shelhigh stentless prosthesis (not significantly different for the 2 groups). There was no mitral or aortic valve dysfunction. A trivial paravalvular leakage in the mitral position in 1 patient and a pseudoaneurysm of the left ventricular out- flow tract without leakage or valvular dysfunction in another were diagnosed by postoperative Doppler investigation. CONCLUSIONS The mortality in patients with destructive endocarditis requiring DVS depends mostly on the patients' preoperative hemodynamic situation. The risk of reinfection can be minimized if valve substitutes are properly selected (homografts, Shelhigh No-React SuperStentless and No-React BioConduit in the aortic position, or Shelhigh BioMitral in the mitral position). Concomitant mitral valve reconstruction procedures do not increase the risk of mitral reinfection.
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Affiliation(s)
- Henryk Siniawski
- Department of Cardiothoracic and Vascular Surgery, Deutsches Herzzentrum Berlin, Berlin, Germany.
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31
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Karchmer AW, Torchiana DF, Chae CU, Afridi NA, Houser SL. Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 29-2004. A 75-year-old woman with acute onset of chest pain followed by fever. N Engl J Med 2004; 351:1240-8. [PMID: 15371582 DOI: 10.1056/nejmcpc049020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Adolf W Karchmer
- Division of Infectious Diseases, Beth Israel Deaconess Medical Center. Boston, USA
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32
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Delahaye F, Célard M, Roth O, de Gevigney G. Indications and optimal timing for surgery in infective endocarditis. BRITISH HEART JOURNAL 2004; 90:618-20. [PMID: 15145858 PMCID: PMC1768251 DOI: 10.1136/hrt.2003.029967] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- F Delahaye
- Hôpital cardiovasculaire et pneumologique, Lyon, France. francois.delahaye @ chu-lyon.fr
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33
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Leyh RG, Knobloch K, Hagl C, Ruhparwar A, Fischer S, Kofidis T, Haverich A. Replacement of the aortic root for acute prosthetic valve endocarditis: Prosthetic composite versus aortic allograft root replacement. J Thorac Cardiovasc Surg 2004; 127:1416-20. [PMID: 15116001 DOI: 10.1016/j.jtcvs.2003.08.047] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE Aortic root replacement for prosthetic aortic valve endocarditis with accompanying destruction of the aortic root is a well-established surgical intervention. However, there is still no consensus whether prosthetic material or allogeneic material should be used. Here we report on our experience with prosthetic composite and aortic allograft root replacement in such patients during a 10-year interval. METHODS From 1991 through 2001, 29 patients with prosthetic aortic valve endocarditis combined with aortic root destruction underwent reoperation at our institution. Sixteen patients received aortic root replacement with a cryopreserved aortic root allograft (group A) and 13 with a prosthetic composite graft (group B). The interval between the initial operation and reoperation was 29 months (range, 5-168 months) in group A and 55 months (range, 7-248 months) in group B. RESULTS Hospital mortality was 18.5% (n = 5 patients, 3 in group A and 2 in group B). Median follow-up was 21 months (range, 1-48 months) for group A and 34 months (range, 1-152 months) for group B (P >.2). Survival at 1 and 5 years was 81% +/- 10% and 81% +/- 10% in group A and 85% +/- 10% and 85% +/- 10% in group B, respectively. No patient underwent reoperation for recurrent prosthetic aortic valve endocarditis. CONCLUSIONS Our results indicate that excellent long-term results can be achieved regardless of the material used for aortic root replacement in patients with prosthetic aortic valve endocarditis.
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Affiliation(s)
- Rainer G Leyh
- Division of Thoracic and Cardiovascular Surgery, Hannover Medical School, Hannover, Germany.
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Abstract
Cardiac imaging, specifically echocardiography, has greatly enhanced the ability of clinicians to effectively diagnose and manage IE. Echocardiograms should generally be obtained in all patients suspected of having IE, both to establish the diagnosis and to identify complicated cardiac involvement that may warrant surgical intervention. Transesophageal imaging is more sensitive and specific than the transthoracic approach and currently represents the optimal approach to echocardiographic imaging. Manifestations of endocardial involvement include vegetations, abscesses, aneurysms, fistulae, leaflet perforations, and valvular dehiscence. The roles of other imaging modalities including CT, MRI, and nuclear imaging have yet to be fully established.
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Affiliation(s)
- Molly Sachdev
- Department of Medicine, Duke University Medical Center, Durham, NC, USA
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Olaison L, Pettersson G. Current best practices and guidelines. Indications for surgical intervention in infective endocarditis. Cardiol Clin 2003; 21:235-51, vii. [PMID: 12874896 DOI: 10.1016/s0733-8651(03)00029-8] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Optimal diagnosis and management of patients with infective endocarditis requires sound clinical judgment based on extensive experience. This is especially important in regard to the indications and timing for surgery. To achieve the best possible outcomes, surgical intervention during treatment is required in 25% to 30% of patients with infective endocarditis. Heart failure and progressive left-sided valvular dysfunction are the most common indications for operation. Valve repair should be considered as an alternative to valve replacement whenever feasible, especially in younger patients. Successful management of perivalvular abscesses and prosthetic valve infections requires radical removal of infected tissue followed by reconstructive procedures performed by experienced surgeons. Emergency or urgent surgery should seldom be delayed.
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Affiliation(s)
- Lars Olaison
- Department of Infectious Diseases, Sahlgrenska University Hospital, S-416 85 Göteborg, Sweden.
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Siniawski H, Lehmkuhl H, Weng Y, Pasic M, Yankah C, Hoffmann M, Behnke I, Hetzer R. Stentless aortic valves as an alternative to homografts for valve replacement in active infective endocarditis complicated by ring abscess. Ann Thorac Surg 2003; 75:803-8; discussion 808. [PMID: 12645697 DOI: 10.1016/s0003-4975(02)04555-1] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
BACKGROUND The valve substitute of choice in active infective aortic valve endocarditis complicated by annulus abscess in our institution is the cryopreserved homograft. To avoid implantation of any prosthetic material, the Shelhigh No-React stentless valves and conduits may be considered an alternative when no suitable homograft is available. METHODS Between March 1986 and January 2001, 452 homografts were implanted in the aortic position. From January 2000 to August 2001, 75 Shelhigh No-React prostheses were implanted at our institution. In 25 consecutive patients (study group) with aortic annulus abscess, urgent aortic valve replacement with the Shelhigh SuperStentless and Stentless Aortic Valve Conduit was undertaken. Patients (16 male, 9 female; age, 49 +/- 19 years) were studied with follow-up until March 2002. The control group comprised 68 consecutive historical patients (46 male, 22 female; age, 53 +/- 14.4 years) with similar disease treated between January 1997 and December 1999 in whom an aortic homograft was implanted. This group was also followed up until March 2002. Demographic data and preoperative characteristics of the patients were without significant differences. Patients were studied by echocardiography. RESULTS Sixty-day mortality was 16% (11 patients) in the control group compared with 12% (3 patients) in the study group. Recurrent infection occurred in 4% in both groups. The instantaneous and mean Doppler gradients yielded no significant differences (19.4 +/- 10.4 mm Hg and 11.8 +/- 5.7 mm Hg versus 18.2 +/- 8.7 mm Hg and 10.9 +/- 5.3 mm Hg, respectively). The mean effective orifice area calculated from Doppler flow velocity for the stentless valve was 2.3 +/- 0.6 cm2. Preoperative evaluation of left ventricular dimensions and global left ventricular systolic function did not vary significantly between the two groups. However, postoperatively evaluated left ventricular end-diastolic diameter dimensions in the study group were significantly smaller than those in the control group (47.6 +/- 7.9 mm versus 56 +/- 9.5 mm; p = 0.05). Ejection fraction was similar in both groups (56.2% +/- 12.8% for the study [Shelhigh] and 52.6% +/- 16.8% for the control [homograft] group). CONCLUSIONS Our experience with both the Shelhigh No-React SuperStentless and Stentless Aortic Valve Conduit in patients with native or prosthetic aortic valve endocarditis appears to demonstrate good results, similar to those of cryopreserved homografts. Ease of implantation and favorable effective orifice area and pressure gradients, as well as the No-React anticalcification treatment, are promising factors.
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37
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Rubin RH, King ME, Mark EJ. Case record of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 7-2003. A 43-year-old man with fever, rapid loss of vision in the left eye, and cardiac findings. N Engl J Med 2003; 348:834-43. [PMID: 12606739 DOI: 10.1056/nejmcpc020032] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Robert H Rubin
- Division of Infectious Disease, Brigham and Women's Hospital, Boston, Mass, USA
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Hagl C, Galla JD, Lansman SL, Fink D, Bodian CA, Spielvogel D, Griepp RB. Replacing the ascending aorta and aortic valve for acute prosthetic valve endocarditis: is using prosthetic material contraindicated? Ann Thorac Surg 2002; 74:S1781-5; discussion S1792-9. [PMID: 12440665 DOI: 10.1016/s0003-4975(02)04142-5] [Citation(s) in RCA: 75] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
BACKGROUND The use of prosthetic material (rather than a homograft) for ascending aorta/aortic valve replacement (Bentall procedure) in cases of acute prosthetic valve endocarditis is controversial. We report favorable results using this technique almost exclusively (a homograft was used in only 3 patients with hematological problems) during a 12-year interval. METHODS Twenty-eight patients (55 +/- 14 years; 22 male) underwent a Bentall procedure for acute prosthetic valve endocarditis between 1988 and 2000. Twenty-five patients had undergone previous aortic valve replacement (1 with concomitant mitral valve replacement, 4 with coronary artery bypass grafting), and 3 had had a previous Bentall operation. The median interval between initial surgery and reoperation was 13 months (range, 1 to 106). Sixty-eight percent of operations were urgent or emergencies. Ninety-three percent of patients had significant aortic regurgitation; complete annuloaortic dehiscence occurred in 71%, and in 57%, an abscess was found. Causative organisms were identified in 25 of 28 patients: Staphylococcus epidermidis (9), Staphylococcus aureus (7), Streptococcus viridans (6), Pseudomonas (2), and Legionella (1). RESULTS Twenty-three patients had mechanical and 5 had biological valves implanted during the Bentall procedure. Hypothermic circulatory arrest was used in 64%. Hospital mortality was 11%: there was one intraoperative death, and two before discharge (one cardiac, one sepsis). Eighty-nine percent survived without stroke. During follow-up (median, 44.5 months; complete in 92%), 1 patient died of recurrent endocarditis at 4 months. CONCLUSIONS These results indicate that prosthetic root replacement may be superior to use of a homograft for acute aortic prosthetic valve endocarditis, with only a 4% incidence of recurrent endocarditis and reoperation.
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Affiliation(s)
- Christian Hagl
- Department of Cardiothoracic Surgery, Mount Sinai School of Medicine, New York, New York, USA.
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Olaison L, Pettersson G. Current best practices and guidelines indications for surgical intervention in infective endocarditis. Infect Dis Clin North Am 2002; 16:453-75, xi. [PMID: 12092482 DOI: 10.1016/s0891-5520(01)00006-x] [Citation(s) in RCA: 85] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Optimal diagnosis and management of patients with infective endocarditis requires sound clinical judgment based on extensive experience. This is especially important in regard to the indications and timing for surgery. To achieve the best possible outcomes, surgical intervention during treatment is required in 25% to 30% of patients with infective endocarditis. Heart failure and progressive left-sided valvular dysfunction are the most common indications for operation. Valve repair should be considered as an alternative to valve replacement whenever feasible, especially in younger patients. Successful management of perivalvular abscesses and prosthetic valve infections requires radical removal of infected tissue followed by reconstructive procedures performed by experienced surgeons. Emergency or urgent surgery should seldom be delayed.
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Affiliation(s)
- Lars Olaison
- Department of Infectious Diseases, Sahlgrenska University Hospital, S-416 85 Göteborg, Sweden.
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40
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Sachdev M, Peterson GE, Jollis JG. Imaging techniques for diagnosis of infective endocarditis. Infect Dis Clin North Am 2002; 16:319-37, ix. [PMID: 12092475 DOI: 10.1016/s0891-5520(02)00003-x] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
With the ability to structurally characterize cardiac manifestations, echocardiography is used for the diagnosis and management of infective endocarditis. In establishing the diagnosis according to the Duke criteria, the findings of endocardial involvement (vegetation, abscess, prosthetic valve dehiscence) or new valvular regurgitation represent "major" diagnostic criteria. As echocardiography cannot reliably differentiate noninfective from infective lesions, however, proper diagnosis lies in correlating echocardiography with clinical findings. The more invasive transesophageal approach provides substantially greater image resolution; this approach should be considered first in the evaluation of patients with higher prior probabilities of endocarditis and those with potential endocardial complications.
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Affiliation(s)
- Molly Sachdev
- Department of Medicine, Duke University Medical Center, Durham, NC, USA
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Ferrieri P, Gewitz MH, Gerber MA, Newburger JW, Dajani AS, Shulman ST, Wilson W, Bolger AF, Bayer A, Levison ME, Pallasch TJ, Gage TW, Taubert KA. Unique features of infective endocarditis in childhood. Pediatrics 2002; 109:931-43. [PMID: 11986458 DOI: 10.1542/peds.109.5.931] [Citation(s) in RCA: 90] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Affiliation(s)
- Patricia Ferrieri
- Committee on Rheumatic Fever, Endocarditis, and Kawasaki Disease, Council on Cardiovascular Disease in the Young, American Heart Association
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42
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Ferrieri P, Gewitz MH, Gerber MA, Newburger JW, Dajani AS, Shulman ST, Wilson W, Bolger AF, Bayer A, Levison ME, Pallasch TJ, Gage TW, Taubert KA. Unique features of infective endocarditis in childhood. Circulation 2002; 105:2115-26. [PMID: 11980694 DOI: 10.1161/01.cir.0000013073.22415.90] [Citation(s) in RCA: 111] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Graupner C, Vilacosta I, SanRomán J, Ronderos R, Sarriá C, Fernández C, Mújica R, Sanz O, Sanmartín JV, Pinto AG. Periannular extension of infective endocarditis. J Am Coll Cardiol 2002; 39:1204-11. [PMID: 11923047 DOI: 10.1016/s0735-1097(02)01747-3] [Citation(s) in RCA: 170] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVES This prospective study was designed to assess the current clinical course, risk factors, microbiologic profile and echocardiographic findings of patients with left-sided endocarditis and perivalvular complications. BACKGROUND Periannular complications worsen the prognosis of patients with endocarditis. The relation between these complications and the clinical and microbiologic data has not been clearly defined. METHODS In this clinical cohort study, 211 patients with left-sided endocarditis, according to the Duke criteria, were prospectively recruited. All patients underwent conventional and transesophageal echocardiography. The mean follow-up interval was 151 days. RESULTS Perivalvular complications were detected in 78 patients (37%). The incidence of periannular extension of infection in native and prosthetic valves was 29% and 55%, respectively. The presence of prosthesis (relative risk [RR] 1.88, 95% confidence interval [CI] 1.35 to 2.64) and previous endocarditis (RR 1.78, 95% CI 1.16 to 2.7) were the only pre-existing heart conditions associated with perivalvular complications. Aortic infection (RR 1.8, 95% CI 1.23 to 2.66) and the development of atrioventricular (AV) block (RR 2.55, 95% CI 1.91 to 3.41) were related with the existence of these complications. Coagulase-negative staphylococci were very common in patients with perivalvular complications (RR 1.77, 95% CI 1.21 to 2.59), and small vegetations were more frequent in these patients (RR l.45, 95% CI 0.95 to 2.22). An operation was more frequently performed in patients with perivalvular complications, but mortality was similar in patients with and without these complications. CONCLUSIONS Aortic infection, prosthetic endocarditis, new AV block and coagulase-negative staphylococci were independent risk factors of periannular complications. The period between symptom onset and diagnosis, the incidence of pericardial effusion and persistent signs of infection were similar between patients with and without perivalvular complications. Patients with perivalvular complications did not demonstrate a difference in the presence or size of vegetations or the frequency of embolism. An operation was more frequently performed in these patients, but mortality was similar in both groups.
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45
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Affiliation(s)
- E Mylonakis
- Division of Infectious Diseases, Massachusetts General Hospital, Boston 02114, USA
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46
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Affiliation(s)
- L Mauri
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
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47
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Meine TJ, Nettles RE, Anderson DJ, Cabell CH, Corey GR, Sexton DJ, Wang A. Cardiac conduction abnormalities in endocarditis defined by the Duke criteria. Am Heart J 2001; 142:280-5. [PMID: 11479467 DOI: 10.1067/mhj.2001.116964] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
BACKGROUND Cardiac conduction abnormalities occur in endocarditis and have been associated with infection extension and increased mortality. There have been no prospective studies of electrocardiographic (ECG) conduction changes in endocarditis. We examined the incidence of ECG changes in a large prospective cohort with suspected endocarditis and correlated changes with echocardiographic evidence of invasive infection and mortality. METHODS One hundred thirty-seven of 1396 (10%) suspected cases of endocarditis were classified as "definite" or "possible" by the Duke criteria and had an interpretable ECG. ECG conduction changes were classified as old (pre-existing hospitalization), new (evident on admission or developed during hospitalization), or indeterminate. New or indeterminate abnormalities were considered "ECG conduction changes." Echocardiogram results were reviewed to identify infected valves and invasive infection. RESULTS ECG conduction changes were present in 36 of 137 (26%) patients. Patients with ECG conduction changes were more often male (69% vs 46%, P =.005) and had prosthetic valves (47% vs 23%, P <.001). There were no significant differences in microbiology results or treatment with cardiac surgery. In 76 (55%) patients, at least one infected valve was identified by echocardiography; 15 of 76 (20%) patients were determined to have evidence of invasive infection. Eight of 15 (53%) invasive infections exhibited ECG conduction changes compared with 16 of 61 (26%) isolated valve infections (P =.046). Eleven of 36 (31%) patients with ECG conduction changes died during hospitalization compared with 15 of 101 (15%) patients without changes (P =.039). CONCLUSIONS ECG conduction changes commonly occur in endocarditis despite more sensitive diagnostic criteria and are associated with increased mortality and invasive infection.
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Affiliation(s)
- T J Meine
- Department of Medicine, Duke University Medical Center, Durham, NC 27710, USA
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48
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Andrews MM, von Reyn CF. Patient selection criteria and management guidelines for outpatient parenteral antibiotic therapy for native valve infective endocarditis. Clin Infect Dis 2001; 33:203-9. [PMID: 11418880 DOI: 10.1086/321814] [Citation(s) in RCA: 97] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2000] [Revised: 12/20/2000] [Indexed: 12/22/2022] Open
Abstract
Outpatient parenteral antibiotic therapy (OPAT) for infective endocarditis (IE) is being applied widely, despite the absence of controlled data that demonstrates that outcomes are equivalent to those with standard inpatient antibiotic therapy. We review existing OPAT guidelines, published data on the timing of complications from IE, and data on risk factors that can be used to predict complications. These data are used to propose more stringent criteria for patient selection and clinical management of OPAT for native valve IE. We recommend a conservative approach (inpatient or daily outpatient follow-up) during the critical phase (weeks 0-2 of treatment), when complications are most likely, and we recommend consideration of OPAT for the continuation phase (weeks 2-4 or 2-6 of treatment) when life-threatening complications are less likely.
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Affiliation(s)
- M M Andrews
- Department of Medicine, Infectious Disease Section, Dartmouth-Hitchcock Medical Center, Lebanon, NH 03756, USA.
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49
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Sanz O, San Román JA, Vilacosta I, Graupner C, Sarriá C, Vega JL, Fernández-Avilés F. [Clinical profile and prognosis of patients with endocarditis and periannular pseudoaneurysms]. Rev Esp Cardiol 2001; 54:181-5. [PMID: 11181307 DOI: 10.1016/s0300-8932(01)76290-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
INTRODUCTION AND OBJECTIVES Little information is available on the clinical profile and prognosis of patients with endocarditis and periannular pseudoaneurysms because the presence of pseudoaneurysm itself is considered an indication albeit not an evidence-based indication, for surgery. METHODS We followed 18 patients (11 males, mean age: 5 +/- 4) with endocarditis and pseudoaneurysm diagnosed by transesophageal echocardiography and/or at surgery over 14 +/- 5 months. RESULTS Aortic (n = 14; 6 on native valve, 8 on prosthesis) was more frequent than mitral (n = 3; 3 prosthesis) or tricuspid location (n = 1). Auriculoventricular block developed in 6 patients, all with aortic pseudoaneurysm. The most frequently involved microorganisms were staphylococci (n = 5) and streptococci (n = 5). Abscesses were found in 5 patients. Pseudoaneurysm was not considered an indication for surgery. Eleven patients underwent surgery 5 died after surgery (45%), 1 had reinfection and 5 are asymptomatic. The remaining 7 patients received only medical treatment: two died (28%), one developed reinfection and 4 are asymptomatic. The size of the pseudoaneurysm remained stable after 24 months of follow-up in the 4 asymptomatic medically treated patients (maximal diameter: 21 +/- 5 at diagnosis versus 22 +/- 5 at latest follow-up; p = NS). CONCLUSIONS We conclude that the presence of a pseudoaneurysm identifies a subset of endocarditis patients with a high mortality. Pseudoaneurysms are usually located in an aortic position and around prosthetic material. Medical treatment without surgery should be considered when no other surgical indications exist. Lastly the size of a pseudoaneurysm in medically treated patients does not increase over time
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Affiliation(s)
- O Sanz
- ICICOR, Hospital Universitario, Servicio de Cardiologia, Ramón y Cajal, 3, 47011 Valladolid, Spain
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50
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Roe MT, Abramson MA, Li J, Heinle SK, Kisslo J, Corey GR, Sexton DJ. Clinical information determines the impact of transesophageal echocardiography on the diagnosis of infective endocarditis by the duke criteria. Am Heart J 2000; 139:945-51. [PMID: 10827373 DOI: 10.1067/mhj.2000.104762] [Citation(s) in RCA: 76] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
BACKGROUND Although transesophageal echocardiography (TEE) is more sensitive than transthoracic echocardiography (TTE) in detecting echocardiographic evidence of infective endocarditis (IE), the impact of TEE on the clinical diagnosis of IE has not been clearly delineated. METHODS AND RESULTS We studied 112 patients with 114 suspected episodes of IE over a 6-year period who underwent both TTE and TEE during their diagnostic evaluation. Using the results of these studies along with clinical and microbiologic data, we attempted to determine the incremental value of TEE to the Duke Endocarditis Diagnostic Criteria. Patients were initially classified into a diagnostic category of the Duke criteria with TTE data, and then the diagnostic classification was reconsidered with TEE data. A diagnostic category reassignment occurred in 25 of 114 episodes of IE evaluated when TEE results were incorporated into the evaluation with the Duke criteria (22 patients were reclassified from possible IE to definite IE whereas 3 patients were reclassified from rejected to possible IE). Diagnostic reclassification occurred in 9 (11%) of the 80 episodes of suspected IE with native cardiac valves and 13 (34%) of 34 episodes with prosthetic cardiac valves. Most patients reclassified from possible IE to definite IE with TEE data (19 of 22) had an intermediate clinical likelihood of IE, whereas 92% of patients had negative TTE results. Pathologic examination of valvular tissue in 22 of the 114 episodes of suspected IE revealed that the positive predictive value of the Duke criteria with TEE data for diagnosis of IE was 85% in patients with native valves and 89% in patients with prosthetic valves. CONCLUSIONS When clinical evidence of IE is present, TEE improves the sensitivity of the Duke criteria to diagnose definite IE. TEE data appears to be especially useful for the diagnostic evaluation of patients with suspected IE who have prosthetic valves.
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Affiliation(s)
- M T Roe
- Department of Internal Medicine, Duke University Medical Center, Durham, NC 27715, USA.
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