1
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Yao Z, Liang M, Zhu S. Infectious factors in myocarditis: a comprehensive review of common and rare pathogens. Egypt Heart J 2024; 76:64. [PMID: 38789885 PMCID: PMC11126555 DOI: 10.1186/s43044-024-00493-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Accepted: 05/13/2024] [Indexed: 05/26/2024] Open
Abstract
BACKGROUND Myocarditis is a significant health threat today, with infectious agents being the most common cause. Accurate diagnosis of the etiology of infectious myocarditis is crucial for effective treatment. MAIN BODY Infectious myocarditis can be caused by viruses, prokaryotes, parasites, and fungi. Viral infections are typically the primary cause. However, some rare opportunistic pathogens can also damage heart muscle cells in patients with immunodeficiencies, neoplasms and those who have undergone heart surgery. CONCLUSIONS This article reviews research on common and rare pathogens of infectious myocarditis, emphasizing the complexity of its etiology, with the aim of helping clinicians make an accurate diagnosis of infectious myocarditis.
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Affiliation(s)
- Zongjie Yao
- School of Health and Life Sciences, University of Health and Rehabilitation Sciences, Qindao, China.
| | - Mingjun Liang
- Department of Intensive Care Medicine, Shanghai Six People's Hospital Affilicated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Simin Zhu
- Wuhan Third Hospital-Tongren Hospital of Wuhan University, Wuhan, China
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2
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Javed N, Sklyar E, Bella JN. Associations of Atrioventricular Blocks and Other Arrhythmias in Patients with Lyme Carditis: A Systematic Review and Meta-Analysis. J Cardiovasc Dev Dis 2024; 11:131. [PMID: 38786953 PMCID: PMC11121903 DOI: 10.3390/jcdd11050131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 04/18/2024] [Accepted: 04/20/2024] [Indexed: 05/25/2024] Open
Abstract
Lyme disease often leads to cardiac injury and electrophysiological abnormalities. This study aimed to explore links between atrioventricular blocks and additional arrhythmias in Lyme carditis patients. This systematic review and meta-analysis of existing literature was performed from 1990 to 2023, and aimed to identify cases of Lyme carditis through serology or clinical diagnosis with concomitant arrhythmias. Pubmed and Web of Science were searched using appropriate MESH terms. Patients were divided into groups with atrioventricular blocks and other arrhythmias for cardiovascular (CV) outcome assessment. A total of 110 cases were analyzed. The majority (77.3%) were male, with mean age = 39.65 ± 14.80 years. Most patients presented within one week of symptom onset (30.9%). Men were more likely to have first-degree atrioventricular blocks (OR = 1.36 [95% CI 1.12-3.96], p = 0.01); these blocks tended to be reversible in nature (OR = 1.51 [95% CI 1.39-3.92], p = 0.01). Men exhibited a higher likelihood of experiencing variable arrhythmias (OR = 1.31 [95% CI 1.08-2.16], p < 0.001). Ventricular and supraventricular arrhythmias were more likely to exhibit instability (OR = 0.96 [95% CI 0.81-1.16] p = 0.01) and variability (OR = 1.99 [95% CI 0.47-8.31], p < 0.001). Men with Lyme carditis are likely to present with various atrioventricular blocks. These atrioventricular blocks are benign, and follow a predictable and stable clinical course. Further large-scale studies are warranted to confirm these associations.
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Affiliation(s)
- Nismat Javed
- BronxCare Health System, Bronx, NY 10457, USA; (N.J.); (E.S.)
| | - Eduard Sklyar
- BronxCare Health System, Bronx, NY 10457, USA; (N.J.); (E.S.)
- Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Jonathan N. Bella
- BronxCare Health System, Bronx, NY 10457, USA; (N.J.); (E.S.)
- Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
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3
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Thompson T, Phimister A, Raskin A. Adolescent Onset of Acute Heart Failure. Med Clin North Am 2024; 108:59-77. [PMID: 37951656 DOI: 10.1016/j.mcna.2023.06.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2023]
Abstract
Heart failure in adolescents can manifest due to a multitude of causes. Presentation is often quite variable ranging from asymptomatic to decompensated heart failure or sudden cardiac death. Because of the diverse nature of this disease, a thoughtful and extensive evaluation is critical to establishing the diagnosis and treatment plan. Identifying and addressing reversible pathologies often leads to functional cardiac recovery. Some disease states are irreversible and progressive, requiring chronic heart failure management and potentially advanced therapies such as transplantation.
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Affiliation(s)
- Tracey Thompson
- Pediatrics, Medical College of Wisconsin, Milwaukee, WI, USA
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4
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Bahadori A, Ritz N, Zimmermann P. Diagnosis and treatment of Lyme disease in children. Arch Dis Child Educ Pract Ed 2023; 108:422-428. [PMID: 37726149 DOI: 10.1136/archdischild-2023-325398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Accepted: 08/23/2023] [Indexed: 09/21/2023]
Abstract
Lyme disease is a zoonotic infection caused by the spirochete Borrelia burgdorferi sensu lato which is transmitted to humans mainly by tick bites. The global incidence of Lyme disease is rising, and children are more frequently affected. The disease can manifest in various organs causing non-specific symptoms. The lack of sensitive and specific diagnostic tests makes the management of Lyme disease challenging. This article offers up-to-date clinical algorithms for the management of children with suspected or diagnosed Lyme disease.
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Affiliation(s)
- Atessa Bahadori
- Pediatric Specialties Division, Department of Pediatrics, Gynecology, and Obstetrics, University Hospitals Geneva, Geneva, Switzerland
| | - Nicole Ritz
- Mycobacterial and Migrant Health Research, University Children's Hospital Basel and Department for Clinical Research, University of Basel, Basel, Switzerland
- Department of Paediatrics, The University of Melbourne, Parkville, Victoria, Australia
- Infectious Diseases Unit, Children's Hospital Lucerne, Lucerne, Switzerland
| | - Petra Zimmermann
- Department of Paediatrics, The University of Melbourne, Parkville, Victoria, Australia
- Department of Community Health, Faculty of Science and Medicine, University of Fribourg, Fribourg, Switzerland
- Infectious Diseases Research Group, Murdoch Children's Research Institute, Parkville, Victoria, Australia
- Department of Paediatrics, Fribourg Hospital, Fribourg, Switzerland
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5
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Beach CM, Stewart E, Marcuccio E, Beerman L, Arora G. Lyme carditis presenting as paroxysmal junctional tachycardia and complete atrioventricular block in an adolescent. J Electrocardiol 2023; 76:14-16. [PMID: 36372012 DOI: 10.1016/j.jelectrocard.2022.10.018] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 10/26/2022] [Accepted: 10/29/2022] [Indexed: 11/06/2022]
Abstract
We describe a case of a previously healthy adolescent who presented with junctional tachycardia and complete atrioventricular (AV) block due to Lyme carditis. The simultaneous presence of these findings suggested significant inflammation of the AV junction. Junctional tachycardia, particularly if seen in a patient with conduction abnormalities and potential tick exposure, should increase suspicion for Lyme carditis.
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Affiliation(s)
- Cheyenne M Beach
- Section of Pediatric Cardiology, Yale School of Medicine, 333 Cedar Street, New Haven, CT 06520, United States of America.
| | - Eileen Stewart
- Texas Center for Pediatric and Congenital Heart Disease, Dell Children's Medical Center, 4910 Mueller Blvd, Austin, TX 78723, United States of America.
| | - Elisa Marcuccio
- Division of Pediatric Cardiology, Cincinnati Children's Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, OH 45229, United States of America.
| | - Lee Beerman
- Division of Pediatric Cardiology, Children's Hospital of Pittsburgh of UPMC, 4401 Penn Avenue, Pittsburgh, PA 15224, United States of America.
| | - Gaurav Arora
- Division of Pediatric Cardiology, Children's Hospital of Pittsburgh of UPMC, 4401 Penn Avenue, Pittsburgh, PA 15224, United States of America.
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6
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Mah K, Chen S, Chandhoke G, Kantor PF, Stephenson E. QTc and QRS Abnormalities are Associated with Outcome in Pediatric Heart Failure. Pediatr Cardiol 2022; 43:1903-1912. [PMID: 35585243 DOI: 10.1007/s00246-022-02932-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 02/04/2022] [Indexed: 10/18/2022]
Abstract
Adult studies have shown that depolarization and repolarization abnormalities are associated with worsening heart failure; however, this relationship is not well understood in pediatric congenital heart disease. We evaluated the association between QTc and QRS duration to systolic function and outcome in children with heart failure and reduced ejection fraction (HFrEF). We performed a retrospective, single-center, 14-year cohort study of HFrEF children. Clinical records, echocardiograms, and electrocardiograms were reviewed for every clinical encounter. Diagnosis, interventions, outcomes, QRS and QTc duration, and systolic function were collected. Repeated-measure ANOVA evaluated the association between depolarization and repolarization to cardiac function. Cox regression analysis examined the effects of age, time since diagnosis, and measured and change in QTc and QRS duration on time to transplant/death. We enrolled 136 cardiomyopathy (CM) and 47 structural heart disease (SHD) patients. Prolonged QRS (p = 0.0001) and QTc (p = 0.02) were associated with systolic dysfunction. This association was significant in SHD group (QRS p < 0.0001, QTc p = 0.048), but not CM group (QRS p = 0.5, QTc p = 0.3). Progressive lengthening of QTc was significantly associated with transplant or death in the overall cohort (HR 1.02, CI 1.011-1.028), SHD, (HR 1.020, CI 1.001-1.039), and CM (HR 1.017, CI 1.007-1.027). QTc and QRS prolongation are each associated with ventricular dysfunction in pediatric SHD with heart failure. QTc prolongation is an indication for poor outcomes in SHD and CM groups, leading to a higher risk of death or transplantation. Progressive lengthening of QTc over time in children with HFrEF may indicate increased risk in this population.
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Affiliation(s)
- Kandice Mah
- Department of Cardiology, SickKids Hospital, 555 University Ave, Toronto, ON, M5G 1X8, Canada
| | - Shiyi Chen
- Department of Biostatistics, SickKids Hospital, 555 University Ave, Toronto, ON, M5G 1X8, Canada
| | - Gursimran Chandhoke
- Postgraduate Education, University of Toronto, 27 King's College Circle, Toronto, ON, M5S 1A1, Canada
| | - Paul F Kantor
- Children's Hospital Los Angeles, University of Southern California, 4650 Sunset Blvd, Los Angeles, CA, 90027, USA
| | - Elizabeth Stephenson
- Department of Cardiology, SickKids Hospital, 555 University Ave, Toronto, ON, M5G 1X8, Canada. .,Department of Pediatrics, SickKids Hospital, 555 University Ave, Toronto, ON, M5G 1X8, Canada.
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7
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Abstract
Lyme disease is now the most frequently reported vector-borne disease in the United States. The highest incidence is in children aged 5 to 9 years with a male predominance. The most common manifestation, erythema migrans, is sometimes not recognized, leading to risk of complications. Testing for Lyme disease should only be done if there is a consistent clinical syndrome with exposure in a Lyme-endemic area. Most forms of Lyme disease are successfully treated with short courses of oral therapy. Prevention and management of tick bites is important.
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Affiliation(s)
- Carol A McCarthy
- Department of Pediatrics, Division of Pediatric Infectious Disease, Barbara Bush Children's Hospital at Maine Medical Center, Portland, ME, USA; Tufts University School of Medicine, Boston, MA, USA; Maine Medical Partners Pediatric Specialty Care, 887 Congress Street, Suite 310, Portland, ME 04102, USA.
| | - Jason A Helis
- Tufts University School of Medicine, Boston, MA, USA; Department of Pediatrics, Division of Pediatric Neurology, Barbara Bush Children's Hospital at Maine Medical Center, Portland, ME, USA; Maine Medical Partners Neurology, 92 Campus Drive Suite B, Scarborough, ME 04074, USA
| | - Brian E Daikh
- Tufts University School of Medicine, Boston, MA, USA; Department of Medicine, Maine Medical Center; Rheumatology Associates, 51 Sewall Street, Portland, ME, USA
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8
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Abstract
Lyme carditis is an uncommon manifestation of Lyme disease. Most cases present with heart block of varying degrees, but the spectrum of disease includes other transient arrhythmias and structural manifestations, such as myopericarditis or cardiomyopathy. Antibiotics hasten the resolution of Lyme carditis, and cardiac pacing can be an adjunctive therapy. Outcomes are generally good, but there are rare fatalities associated with Lyme carditis. The latter underscores the continued need for improved modes of prevention of Lyme disease and the importance of its early recognition and treatment.
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Affiliation(s)
- Richard V Shen
- Division of Infectious Diseases, Southcoast Physicians Group, 363 Highland Avenue, Fall River, MA 02720, USA.
| | - Carol A McCarthy
- Division of Pediatric Infectious Diseases, Department of Pediatrics, Barbara Bush Children's Hospital at Maine Medical Center, 887 Congress Street, Suite 310, Portland, ME 04102, USA
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9
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Ismail TF, Hua A, Plein S, D'Cruz DP, Fernando MMA, Friedrich MG, Zellweger MJ, Giorgetti A, Caobelli F, Haaf P. The role of cardiovascular magnetic resonance in the evaluation of acute myocarditis and inflammatory cardiomyopathies in clinical practice - a comprehensive review. Eur Heart J Cardiovasc Imaging 2022; 23:450-464. [PMID: 35167664 DOI: 10.1093/ehjci/jeac021] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 01/24/2022] [Indexed: 01/05/2023] Open
Abstract
Inflammatory cardiomyopathy (I-CMP) is defined as myocarditis in association with cardiac dysfunction and/or ventricular remodelling. It is characterized by inflammatory cell infiltration into the myocardium and has heterogeneous infectious and non-infectious aetiologies. A complex interplay of genetic, autoimmune, and environmental factors contributes to the substantial risk of deteriorating cardiac function, acute heart failure, and arrhythmia as well as chronic dilated cardiomyopathy and its sequelae. Multi-parametric cardiovascular magnetic resonance (CMR) imaging is sensitive to many tissue changes that occur during myocardial inflammation, regardless of its aetiology. In this review, we summarize the various aetiologies of I-CMP and illustrate how CMR contributes to non-invasive diagnosis.
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Affiliation(s)
- Tevfik F Ismail
- CMR Unit, School of Biomedical Engineering and Imaging Sciences, King's College London, London, UK.,Cardiology Department, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Alina Hua
- CMR Unit, School of Biomedical Engineering and Imaging Sciences, King's College London, London, UK.,Cardiology Department, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Sven Plein
- CMR Unit, School of Biomedical Engineering and Imaging Sciences, King's College London, London, UK.,Biomedical Imaging Science Department, Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds & Leeds Teaching Hospitals NHS Trust, Clarendon, Way, Leeds LS2 9JT, UK
| | - David P D'Cruz
- Rheumatology Department, Louise Coote Lupus Unit, Guy's and St Thomas' NHS Foundation Trust, London, UK.,Rheumatology Department, Faculty of Life Sciences and Medicine, King's College London, London, UK
| | - Michelle M A Fernando
- Rheumatology Department, Louise Coote Lupus Unit, Guy's and St Thomas' NHS Foundation Trust, London, UK.,Rheumatology Department, Faculty of Life Sciences and Medicine, King's College London, London, UK
| | - Matthias G Friedrich
- Department of Cardiology, Heidelberg University Hospital, Heidelberg, Germany.,Department of Cardiology, McGill University Health Centre, Montreal, Canada.,Department of Diagnostic Radiology, McGill University Health Centre, Montreal, Canada
| | - Michael J Zellweger
- Department of Cardiology, Clinic of Cardiology, University Hospital Basel and University of Basel, Petersgraben 4, CH-4031 Basel, Switzerland
| | | | - Federico Caobelli
- Department of Nuclear Medicine, Clinic of Radiology and Nuclear Medicine, University Hospital Basel, Basel, Switzerland
| | - Philip Haaf
- Department of Cardiology, Clinic of Cardiology, University Hospital Basel and University of Basel, Petersgraben 4, CH-4031 Basel, Switzerland
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10
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Risk factors for Lyme disease stage and manifestation using electronic health records. BMC Infect Dis 2021; 21:1269. [PMID: 34930173 PMCID: PMC8686252 DOI: 10.1186/s12879-021-06959-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Accepted: 12/08/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Little is known about risk factors for early (e.g., erythema migrans) and disseminated Lyme disease manifestations, such as arthritis, neurological complications, and carditis. No study has used both diagnoses and free text to classify Lyme disease by disease stage and manifestation. METHODS We identified Lyme disease cases in 2012-2016 in the electronic health record (EHR) of a large, integrated health system in Pennsylvania. We developed a rule-based text-matching algorithm using regular expressions to extract clinical data from free text. Lyme disease cases were then classified by stage and manifestation using data from both diagnoses and free text. Among cases classified by stage, we evaluated individual, community, and health care variables as predictors of disseminated stage (vs. early) disease using Poisson regression models with robust errors. Final models adjusted for sociodemographic factors, receipt of Medical Assistance (i.e., Medicaid, a proxy for low socioeconomic status), primary care contact, setting of diagnosis, season of diagnosis, and urban/rural status. RESULTS Among 7310 cases of Lyme disease, we classified 62% by stage. Overall, 23% were classified using both diagnoses and text, 26% were classified using diagnoses only, and 13% were classified using text only. Among the staged diagnoses (n = 4530), 30% were disseminated stage (762 arthritis, 426 neurological manifestations, 76 carditis, 95 secondary erythema migrans, and 76 other manifestations). In adjusted models, we found that persons on Medical Assistance at least 50% of time under observation, compared to never users, had a higher risk (risk ratio [95% confidence interval]) of disseminated Lyme disease (1.20 [1.05, 1.37]). Primary care contact (0.59 [0.54, 0.64]) and diagnosis in the urgent care (0.22 [0.17, 0.29]), compared to the outpatient setting, were associated with lower risk of disseminated Lyme disease. CONCLUSIONS The associations between insurance payor, primary care status, and diagnostic setting with disseminated Lyme disease suggest that lower socioeconomic status and less health care access could be linked with disseminated stage Lyme disease. Intervening on these factors could reduce the individual and health care burden of disseminated Lyme disease. Our findings demonstrate the value of both diagnostic and narrative text data to identify Lyme disease manifestations in the EHR.
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11
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Neville DN, Alexander ME, Bennett JE, Balamuth F, Garro A, Levas MN, Thompson AD, Kharbanda AB, Lewander DP, Dart AH, Nigrovic LE. Electrocardiogram as a Lyme Disease Screening Test. J Pediatr 2021; 238:228-232.e1. [PMID: 34265339 DOI: 10.1016/j.jpeds.2021.07.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 07/01/2021] [Accepted: 07/06/2021] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To examine the association between electrocardiographic (ECG) evidence of carditis at the time of Lyme disease evaluation and a diagnosis of Lyme disease. STUDY DESIGN We performed an 8-center prospective cohort study of children undergoing emergency department evaluation for Lyme disease limited to those who had an ECG obtained by their treating clinicians. The study cardiologist reviewed all ECGs flagged as abnormal by the study sites to assess for ECG evidence of carditis. We defined Lyme disease as the presence of an erythema migrans lesion or a positive 2-tier Lyme disease serology. We used logistic regression to measure the association between Lyme disease and atrioventricular (AV) block or any ECG evidence of carditis. RESULTS Of the 546 children who had an ECG obtained, 214 (39%) had Lyme disease. Overall, 42 children had ECG evidence of carditis, of whom 24 had AV block (20 first-degree). Of the patients with ECG evidence of carditis, only 21 (50%) had any cardiac symptoms. The presence of AV block (OR 4.7, 95% CI 1.8-12.1) and any ECG evidence of carditis (OR 2.3, 95% CI 1.2-4.3) were both associated with diagnosis of Lyme disease. CONCLUSIONS ECG evidence of carditis, especially AV block, was associated with a diagnosis of Lyme disease. ECG evidence of carditis can be used as a diagnostic biomarker for Lyme disease to guide initial management while awaiting Lyme disease test results.
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Affiliation(s)
- Desiree N Neville
- Division of Pediatric Emergency Medicine, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA.
| | - Mark E Alexander
- Arrhythmia Service, Department of Cardiology, Boston Children's Hospital, Boston, MA
| | | | - Fran Balamuth
- Division of Emergency Medicine, Children's Hospital of Philadelphia, Philadelphia, PA
| | - Aris Garro
- Department of Emergency Medicine, Rhode Island Hospital, Providence, RI
| | - Michael N Levas
- Division of Emergency Medicine, Medical College of Wisconsin, Milwaukee, WI
| | - Amy D Thompson
- Nemours/Alfred I. duPont Hospital for Children, Wilmington, DE
| | - Anupam B Kharbanda
- Department of Pediatric Emergency Medicine, Children's Minnesota, Minneapolis, MN
| | - David P Lewander
- Division of Emergency Medicine, Boston Children's Hospital, Boston, MA
| | - Arianna H Dart
- Division of Emergency Medicine, Boston Children's Hospital, Boston, MA
| | - Lise E Nigrovic
- Division of Emergency Medicine, Boston Children's Hospital, Boston, MA
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12
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Beck A, Solomon J, Hinckley AF, Nelson CA. Tick bite frequency, prevention practices and Lyme disease diagnoses among U.S. Hispanic survey respondents. Zoonoses Public Health 2021; 68:658-665. [PMID: 34160897 DOI: 10.1111/zph.12864] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 05/11/2021] [Indexed: 11/29/2022]
Abstract
Tick bite prevention practices, knowledge of Lyme disease (LD) symptoms and transmission, and patterns of LD diagnoses among Hispanic persons have been reported but not comprehensively evaluated. In 2014, CDC examined questions from a prospective nationwide survey of U.S. Hispanic adults conducted via the Offerwise QueOpinas panel regarding ticks and LD. From October to November, a total of 2,649 surveys were released and 1,006 completed surveys returned. Overall, 44% of respondents reported routinely practising at least one form of personal protection against tick bites, and wearing repellent was the most commonly reported method (29%). Approximately 6% of respondents reported a tick bite for either themselves or someone in their household during the previous 12 months. An individual or household diagnosis of LD in the previous year was reported by 2% of respondents, with the highest proportion of diagnoses reported by respondents from high LD incidence states. The annual incidence of healthcare provider-diagnosed LD in the survey population was higher than national surveillance estimates for reported LD among U.S. Hispanic persons during 2000-2013. As annual incidence of LD continues to increase, it is important to ensure equitable access to information about LD, including disease transmission, manifestations, and prevention recommendations. Results from this survey can help inform public health outreach focused on effective tick bite prevention methods and early recognition of LD.
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Affiliation(s)
- Alyssa Beck
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, CO, USA.,Oak Ridge Institute for Science and Education (ORISE), Oak Ridge, TN, USA
| | - Julia Solomon
- Department of Pediatrics and Internal Medicine, The Warren Alpert Medical School of Brown University, Providence, RI, USA
| | - Alison F Hinckley
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, CO, USA
| | - Christina A Nelson
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, CO, USA
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13
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Lantos PM, Rumbaugh J, Bockenstedt LK, Falck-Ytter YT, Aguero-Rosenfeld ME, Auwaerter PG, Baldwin K, Bannuru RR, Belani KK, Bowie WR, Branda JA, Clifford DB, DiMario FJ, Halperin JJ, Krause PJ, Lavergne V, Liang MH, Meissner HC, Nigrovic LE, Nocton JJJ, Osani MC, Pruitt AA, Rips J, Rosenfeld LE, Savoy ML, Sood SK, Steere AC, Strle F, Sundel R, Tsao J, Vaysbrot EE, Wormser GP, Zemel LS. Clinical Practice Guidelines by the Infectious Diseases Society of America (IDSA), American Academy of Neurology (AAN), and American College of Rheumatology (ACR): 2020 Guidelines for the Prevention, Diagnosis and Treatment of Lyme Disease. Clin Infect Dis 2021; 72:e1-e48. [PMID: 33417672 DOI: 10.1093/cid/ciaa1215] [Citation(s) in RCA: 153] [Impact Index Per Article: 51.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Indexed: 12/13/2022] Open
Abstract
This evidence-based clinical practice guideline for the prevention, diagnosis, and treatment of Lyme disease was developed by a multidisciplinary panel representing the Infectious Diseases Society of America (IDSA), the American Academy of Neurology (AAN), and the American College of Rheumatology (ACR). The scope of this guideline includes prevention of Lyme disease, and the diagnosis and treatment of Lyme disease presenting as erythema migrans, Lyme disease complicated by neurologic, cardiac, and rheumatologic manifestations, Eurasian manifestations of Lyme disease, and Lyme disease complicated by coinfection with other tick-borne pathogens. This guideline does not include comprehensive recommendations for babesiosis and tick-borne rickettsial infections, which are published in separate guidelines. The target audience for this guideline includes primary care physicians and specialists caring for this condition such as infectious diseases specialists, emergency physicians, internists, pediatricians, family physicians, neurologists, rheumatologists, cardiologists and dermatologists in North America.
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Affiliation(s)
- Paul M Lantos
- Duke University School of Medicine, Durham, North Carolina, USA
| | | | | | - Yngve T Falck-Ytter
- Case Western Reserve University, VA Northeast Ohio Healthcare System, Cleveland, Ohio, USA
| | | | - Paul G Auwaerter
- Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Kelly Baldwin
- Geisinger Medical Center, Danville, Pennsylvania, USA
| | | | - Kiran K Belani
- Childrens Hospital and Clinical of Minnesota, Minneapolis, Minnesota, USA
| | - William R Bowie
- University of British Columbia, Vancouver, British Columbia, Canada
| | - John A Branda
- Massachusetts General Hospital, Boston, Massachusetts, USA
| | - David B Clifford
- Washington University School of Medicine, St. Louis, Missouri, USA
| | | | | | - Peter J Krause
- Yale School of Public Health, New Haven, Connecticut, USA
| | | | | | | | | | | | | | - Amy A Pruitt
- University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Jane Rips
- Consumer Representative, Omaha, Nebraska, USA
| | | | | | | | - Allen C Steere
- Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Franc Strle
- University Medical Centre Ljubljana, Ljubljana, Slovenia
| | - Robert Sundel
- Boston Children's Hospital Boston, Massachusetts, USA
| | - Jean Tsao
- Michigan State University, East Lansing, Michigan, USA
| | | | | | - Lawrence S Zemel
- Connecticut Children's Medical Center, Hartford, Connecticut, USA
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14
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Shen RV, McCarthy CA, Smith RP. Lyme Carditis in Hospitalized Children and Adults, a Case Series. Open Forum Infect Dis 2021; 8:ofab140. [PMID: 34250185 PMCID: PMC8266570 DOI: 10.1093/ofid/ofab140] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 03/22/2021] [Indexed: 11/24/2022] Open
Abstract
Background Lyme carditis is an uncommon manifestation of Lyme disease. This report compares Lyme carditis presentation, management, and outcomes in pediatric and adult populations. Methods Charts of pediatric and adult patients with heart block (PR interval >300 ms) and positive Lyme serologies hospitalized in Portland, Maine, between January 2010 and December 2018 were analyzed. Data on medical history, presentation, treatment, and outcomes are described. Results Ten children and 20 adults were admitted for Lyme carditis between June and October. Ninety percent were male, and 87% had no prior cardiac history. Seventeen had outpatient evaluation before admission. Of these, a minority (41%) had Lyme disease suspected in the outpatient setting, and fewer (12%) were initiated on Lyme disease treatment. The most common alternate diagnoses were viral illness and erythema multiforme. More children than adults had disseminated erythema migrans and fever. First-degree heart block was more prevalent in children, and Mobitz type 2 heart block was more prevalent in adults. Ten patients presented with syncope. Proportionately more adults needed temporary pacing. Children had shorter antibiotic durations compared with adults. Of the 30 cases, 27 had improved heart block, while 3 adults required a pacemaker at discharge. Nine children and 14 adults were discharged with a PR 200–300 ms. There was a single death in this series. Conclusions Cases tended to be younger males. Most patients had some heart block on discharge. Of patients evaluated as outpatients, Lyme disease was suspected in 41%. Improved early recognition and treatment of Lyme disease may decrease Lyme carditis.
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Affiliation(s)
- Richard V Shen
- Division of Infectious Diseases, Maine Medical Center, Portland, Maine, USA
| | - Carol A McCarthy
- Division of Pediatric Infectious Diseases, Maine Medical Center, Portland, Maine, USA
| | - Robert P Smith
- Division of Infectious Diseases, Maine Medical Center, Portland, Maine, USA
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Choi NH, Fremed M, Starc T, Weller R, Cheung E, Ferris A, Silver ES, Liberman L. MIS-C and Cardiac Conduction Abnormalities. Pediatrics 2020; 146:peds.2020-009738. [PMID: 33184170 DOI: 10.1542/peds.2020-009738] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/04/2020] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVES Multisystem inflammatory syndrome in children (MIS-C) has spread through the pediatric population during the coronavirus disease 2019 pandemic. Our objective for the study was to report the prevalence of conduction anomalies in MIS-C and identify predictive factors for the conduction abnormalities. METHODS We performed a single-center retrospective cohort study of pediatric patients <21 years of age presenting with MIS-C over a 1-month period. We collected clinical outcomes, laboratory findings, and diagnostic studies, including serial electrocardiograms, in all patients with MIS-C to identify those with first-degree atrioventricular block (AVB) during the acute phase and assess for predictive factors. RESULTS Thirty-two patients met inclusion criteria. Median age at admission was 9 years. Six of 32 patients (19%) were found to have first-degree AVB, with a median longest PR interval of 225 milliseconds (interquartile range 200-302), compared with 140 milliseconds (interquartile range 80-178) in patients without first-degree AVB. The onset of AVB occurred at a median of 8 days after the initial symptoms and returned to normal 3 days thereafter. No patients developed advanced AVB, although 1 patient developed a PR interval >300 milliseconds. Another patient developed new-onset right bundle branch block, which resolved during hospitalization. Cardiac enzymes, inflammatory markers, and cardiac function were not associated with AVB development. CONCLUSIONS In our population, there is a 19% prevalence of first-degree AVB in patients with MIS-C. All patients with a prolonged PR interval recovered without progression to high-degree AVB. Patients admitted with MIS-C require close electrocardiogram monitoring during the acute phase.
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Affiliation(s)
- Nak Hyun Choi
- Division of Pediatric Cardiology, NewYork-Presbyterian Morgan Stanley Children's Hospital, Columbia University Irving Medical Center, New York, New York
| | - Michael Fremed
- Division of Pediatric Cardiology, NewYork-Presbyterian Morgan Stanley Children's Hospital, Columbia University Irving Medical Center, New York, New York
| | - Thomas Starc
- Division of Pediatric Cardiology, NewYork-Presbyterian Morgan Stanley Children's Hospital, Columbia University Irving Medical Center, New York, New York
| | - Rachel Weller
- Division of Pediatric Cardiology, NewYork-Presbyterian Morgan Stanley Children's Hospital, Columbia University Irving Medical Center, New York, New York
| | - Eva Cheung
- Division of Pediatric Cardiology, NewYork-Presbyterian Morgan Stanley Children's Hospital, Columbia University Irving Medical Center, New York, New York
| | - Anne Ferris
- Division of Pediatric Cardiology, NewYork-Presbyterian Morgan Stanley Children's Hospital, Columbia University Irving Medical Center, New York, New York
| | - Eric S Silver
- Division of Pediatric Cardiology, NewYork-Presbyterian Morgan Stanley Children's Hospital, Columbia University Irving Medical Center, New York, New York
| | - Leonardo Liberman
- Division of Pediatric Cardiology, NewYork-Presbyterian Morgan Stanley Children's Hospital, Columbia University Irving Medical Center, New York, New York
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16
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Forde KM, O'Gorman J, Gavin PJ, Dryden MS, Keady D, Hanahoe B, McDonnell C, Power L, Cryan B, Sweeney J, Conyard KF, O'Grady MJ. The clinical presentation, treatment and outcome of serologically confirmed paediatric Lyme disease in the Republic of Ireland over a 5-year period: a retrospective cohort study. Eur J Clin Microbiol Infect Dis 2020; 40:725-734. [PMID: 33040217 DOI: 10.1007/s10096-020-04064-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 10/01/2020] [Indexed: 01/04/2023]
Abstract
Lyme disease (LD) is the most common tick-borne illness in Europe. Population-based studies in European children are few. This study aimed to assess the incidence, clinical presentation, treatment and outcome of serologically confirmed paediatric LD in the Republic of Ireland over a 5-year period. A retrospective review of records from accredited laboratories performing Borrelia burgdorferi serological testing was undertaken. Proformas were distributed to clinicians of children and adolescents with positive Lyme serology. Data were requested regarding clinical presentation, treatment and outcome. Updated NICE guidelines were used to classify clinical cases. Serology testing for B. burgdorferi was performed on 2908 samples. Sixty-three (2.2%) children were two-tier positive, generating a crude annual incidence rate of 1.15/100,000. Proformas were returned for 55 (87%) and 47 met clinical and laboratory criteria for LD. Twenty-seven (57%) presented with non-focal symptoms (erythema migrans and/or influenza-like symptoms), and 20 (43%) with focal symptoms (cranial nerve involvement, 11; CNS involvement, 8; arthritis, 1). Median age at presentation was 8.2 (2.5-17.9) years. Seventeen (36%) acquired LD overseas. Twenty-five (83%) of the remaining 30 children acquired infection in the West/Northwest of Ireland. Full resolution of symptoms was reported in 97% of those with available data. Serologically confirmed LD in children is relatively rare in the Republic of Ireland. Ninety-eight percent of children tested were seronegative. Of the seropositive cases, 40% could have been diagnosed based on clinical findings alone. Neurological presentations (40%) were common. Full resolution of symptoms occurred in almost all (97%) where data were available.
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Affiliation(s)
- Karina M Forde
- Department of Paediatrics, Regional Hospital Mullingar, Westmeath, Ireland. .,Department of Paediatric Infectious Diseases, Children's Health Ireland, Crumlin and Temple St., Dublin, Ireland.
| | - Joanne O'Gorman
- National Virus Reference Laboratory, University College Dublin, Belfield, Dublin 4, Ireland
| | - Patrick J Gavin
- Department of Paediatric Infectious Diseases, Children's Health Ireland, Crumlin and Temple St., Dublin, Ireland
| | - Matthew S Dryden
- Rare and Imported Pathogens Laboratory, Public Health England, Porton Down, Salisbury, UK
| | - Deirbhile Keady
- Department of Medical Microbiology, Galway University Hospital, Galway, Ireland
| | - Belinda Hanahoe
- Department of Medical Microbiology, Galway University Hospital, Galway, Ireland
| | - Colm McDonnell
- Department of Medical Microbiology, University Hospital Limerick, Limerick, Ireland
| | - Lorraine Power
- Department of Medical Microbiology, University Hospital Limerick, Limerick, Ireland
| | - Bartley Cryan
- Department of Medical Microbiology, Cork University Hospital, Wilton, Cork, Ireland
| | - James Sweeney
- Department of Mathematics and Statistics, University of Limerick, Limerick, Ireland
| | - Karl F Conyard
- CSTAR, University College Dublin, Belfield, Dublin 4, Ireland
| | - Michael J O'Grady
- Department of Paediatrics, Regional Hospital Mullingar, Westmeath, Ireland.,Women's and Children's Health, University College Dublin, Belfield, Dublin 4, Ireland
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Myers F, Mishra PE, Cortez D, Schleiss MR. Chest palpitations in a teenager as an unusual presentation of Lyme disease: case report. BMC Infect Dis 2020; 20:730. [PMID: 33028242 PMCID: PMC7541310 DOI: 10.1186/s12879-020-05438-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Accepted: 09/20/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The incidence of Lyme disease (LD) in North America has increased substantially in the past two decades. Concomitant with the increased incidence of infection has been an enhancement in the recognition of LD complications. Here, we report a case of Lyme carditis complicated by heart block in a pediatric patient admitted to our children's hospital. What is unique about this case is that the complaint of chest palpitations is an infrequent presentation of LD, and what it adds to the scientific literature is an improved understanding of LD in the pediatric population. CASE PRESENTATION The patient was a 16-year-old male who presented with the main concerns of acute onset of palpitations and chest pain. An important clinical finding was Erythema migrans (EM) on physical exam. The primary diagnoses were LD with associated Lyme carditis, based on the finding of 1st degree atrioventricular heart block (AVB) and positive IgM and IgG antibodies to Borrelia burgdorferi. Interventions included echocardiography, electrocardiography (EKG), and intravenous antibiotics. The hospital course was further remarkable for transition to 2nd degree heart block and transient episodes of complete heart block. A normal sinus rhythm and PR interval were restored after antibiotic therapy and the primary outcome was that of an uneventful recovery. CONCLUSIONS Lyme carditis occurs in < 5% of LD cases, but the "take-away" lesson of this case is that carditis can be the presenting manifestation of B. burgdorferi infection in pediatric patients. Any patient with suspected Lyme carditis manifesting cardiac symptoms such as syncope, chest pain, or EKG changes should be admitted for parenteral antibiotic therapy and cardiac monitoring. The most common manifestation of Lyme carditis is AVB. AVB may manifest as first-degree block, or may present as high-grade second or third-degree block. Other manifestations of Lyme carditis may include myopericarditis, left ventricular dysfunction, and cardiomegaly. Resolution of carditis is typically achieved through antibiotic administration, although pacemaker placement should be considered if the PR interval fails to normalize or if higher degrees of heart block, with accompanying symptoms, are encountered. With the rising incidence of LD, providers must maintain a high level of suspicion in order to promptly diagnose and treat Lyme carditis.
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Affiliation(s)
- Faith Myers
- Department of Pediatrics, Masonic Children's Hospital, Pediatric Medical Education, 2450 Riverside Ave, Minneapolis, MN, 55454, USA
| | - Pooja E Mishra
- Department of Pediatrics, Masonic Children's Hospital, Pediatric Medical Education, 2450 Riverside Ave, Minneapolis, MN, 55454, USA
| | - Daniel Cortez
- Division of Pediatric Cardiology, University of Minnesota Medical School, 2450 Riverside Ave, Minneapolis, MN, 55454, USA
| | - Mark R Schleiss
- Division of Pediatric Infectious Diseases and Immunology, University of Minnesota Medical School, 2001 6th Street SE, Minneapolis, MN, 55455, USA.
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Increasing Burden of Lyme Carditis in United States Children's Hospitals. Pediatr Cardiol 2020; 41:258-264. [PMID: 31728570 DOI: 10.1007/s00246-019-02250-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Accepted: 11/01/2019] [Indexed: 12/11/2022]
Abstract
We sought to characterize the shifting epidemiology and resource utilization of Lyme disease and associated carditis in US children's hospitals. We hypothesized that the Lyme carditis burden has increased and that hospitalizations for Lyme carditis are costlier than those for Lyme disease without carditis. The PHIS database was queried for Lyme disease encounters between January 1, 2007 and December 31, 2013. Additional diagnostic codes consistent with carditis identified Lyme carditis cases. Demographic, clinical, and resource utilization data were analyzed. All costs were adjusted to 2014 US dollars. Lyme disease was identified in 3620 encounters with 189 (5%) associated with carditis. Lyme disease (360 cases in 2007 vs. 672 in 2013, p = 0.01) and Lyme carditis (17 cases in 2007 vs. 40 in 2013, p = 0.03) both significantly increased in frequency. This is primarily accounted for by their increase within the Midwest region. Carditis frequency among cases of Lyme disease was stable (p = 0.15). Encounters for Lyme carditis are dramatically costlier than those for Lyme disease without carditis [median $9104 (3741-19,003) vs. 922 (238-4987), p < 0.001] The increase in Lyme carditis cases in US children's hospitals is associated with an increased Lyme disease incidence, suggesting that there has not been a change in its virulence or cardiac tropism. The increasing number of serious cardiac events and costs associated with Lyme disease emphasize the need for prevention and early detection of disease and control of its spread.
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19
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Yeung C, Baranchuk A. Diagnosis and Treatment of Lyme Carditis: JACC Review Topic of the Week. J Am Coll Cardiol 2020; 73:717-726. [PMID: 30765038 DOI: 10.1016/j.jacc.2018.11.035] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Revised: 11/13/2018] [Accepted: 11/26/2018] [Indexed: 12/27/2022]
Abstract
The incidence of Lyme disease, a tick-borne bacterial infection, is dramatically increasing in North America. The diagnosis of Lyme carditis (LC), an early disseminated manifestation of Lyme disease, has important implications for patient management and preventing further extracutaneous complications. High-degree atrioventricular block is the most common presentation of LC, and usually resolves with antibiotic therapy. A systematic approach to the diagnosis of LC in patients with high-degree atrioventricular block will facilitate the identification of this usually transient condition, thus preventing unnecessary implantation of permanent pacemakers in otherwise healthy young individuals.
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Affiliation(s)
- Cynthia Yeung
- Department of Cardiology, Queen's University, Kingston, Ontario, Canada. https://twitter.com/yeung2020
| | - Adrian Baranchuk
- Department of Cardiology, Queen's University, Kingston, Ontario, Canada.
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20
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Bolourchi M, Silver ES, Liberman L. Advanced Heart Block in Children with Lyme Disease. Pediatr Cardiol 2019; 40:513-517. [PMID: 30377753 DOI: 10.1007/s00246-018-2003-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Accepted: 09/28/2018] [Indexed: 12/01/2022]
Abstract
BACKGROUND The clinical course of children with advanced heart block secondary to Lyme disease has not been well characterized. OBJECTIVE To review the presentation, management, and time to resolution of heart block due to Lyme disease in previously healthy children. METHODS An IRB approved single-center retrospective study was conducted of all patients < 21 years old with confirmed Lyme disease and advanced second or third degree heart block between 2007 and 2017. RESULTS Twelve patients (100% male) with a mean age of 15.9 years (range 13.2-18.1) were identified. Six patients (50%) had mild to moderate atrioventricular valve regurgitation and all had normal biventricular function. Five patients had advanced second degree heart block and 7 had complete heart block with an escape rate of 20-57 bpm. Isoproterenol was used in 4 patients for 3-4 days and one patient required transvenous pacing for 2 days. Patients were treated with 21 days (n = 6, 50%) or 28 days (n = 6, 50%) of antibiotics. Three patients received steroids for 3-4 days. Advanced heart block resolved in all patients within 2-5 days, and all had a normal PR interval within 3 days to 16 months from hospital discharge. CONCLUSION Symptomatic children who present with new high-grade heart block from an endemic area should be tested for Lyme disease. Antibiotic therapy provides quick and complete resolution of advanced heart block within 5 days, while steroids did not appear to shorten the time course in this case series. Importantly, no patients required a permanent pacemaker.
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Affiliation(s)
- Meena Bolourchi
- Department of Pediatrics, Division of Pediatric Cardiology, Columbia University, College of Physicians and Surgeons, 3959 Broadway, 2-North, New York, NY, USA
| | - Eric S Silver
- Department of Pediatrics, Division of Pediatric Cardiology, Columbia University, College of Physicians and Surgeons, 3959 Broadway, 2-North, New York, NY, USA
| | - Leonardo Liberman
- Department of Pediatrics, Division of Pediatric Cardiology, Columbia University, College of Physicians and Surgeons, 3959 Broadway, 2-North, New York, NY, USA.
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21
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Affiliation(s)
- Hari Tunuguntla
- Department of Pediatrics, Division of Pediatric Cardiology, Texas Children's Hospital, Baylor College of Medicine, Houston, TX
| | - Aamir Jeewa
- Department of Pediatrics, Hospital for Sick Children, Toronto, Ontario, Canada
| | - Susan W Denfield
- Department of Pediatrics, Division of Pediatric Cardiology, Texas Children's Hospital, Baylor College of Medicine, Houston, TX
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22
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Watson SC, Liu Y, Lund RB, Gettings JR, Nordone SK, McMahan CS, Yabsley MJ. A Bayesian spatio-temporal model for forecasting the prevalence of antibodies to Borrelia burgdorferi, causative agent of Lyme disease, in domestic dogs within the contiguous United States. PLoS One 2017; 12:e0174428. [PMID: 28472096 PMCID: PMC5417420 DOI: 10.1371/journal.pone.0174428] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Accepted: 03/08/2017] [Indexed: 01/12/2023] Open
Abstract
This paper models the prevalence of antibodies to Borrelia burgdorferi in domestic dogs in the United States using climate, geographic, and societal factors. We then use this model to forecast the prevalence of antibodies to B. burgdorferi in dogs for 2016. The data available for this study consists of 11,937,925 B. burgdorferi serologic test results collected at the county level within the 48 contiguous United States from 2011-2015. Using the serologic data, a baseline B. burgdorferi antibody prevalence map was constructed through the use of spatial smoothing techniques after temporal aggregation; i.e., head-banging and Kriging. In addition, several covariates purported to be associated with B. burgdorferi prevalence were collected on the same spatio-temporal granularity, and include forestation, elevation, water coverage, temperature, relative humidity, precipitation, population density, and median household income. A Bayesian spatio-temporal conditional autoregressive (CAR) model was used to analyze these data, for the purposes of identifying significant risk factors and for constructing disease forecasts. The fidelity of the forecasting technique was assessed using historical data, and a Lyme disease forecast for dogs in 2016 was constructed. The correlation between the county level model and baseline B. burgdorferi antibody prevalence estimates from 2011 to 2015 is 0.894, illustrating that the Bayesian spatio-temporal CAR model provides a good fit to these data. The fidelity of the forecasting technique was assessed in the usual fashion; i.e., the 2011-2014 data was used to forecast the 2015 county level prevalence, with comparisons between observed and predicted being made. The weighted (to acknowledge sample size) correlation between 2015 county level observed prevalence and 2015 forecasted prevalence is 0.978. A forecast for the prevalence of B. burgdorferi antibodies in domestic dogs in 2016 is also provided. The forecast presented from this model can be used to alert veterinarians in areas likely to see above average B. burgdorferi antibody prevalence in dogs in the upcoming year. In addition, because dogs and humans can be exposed to ticks in similar habitats, these data may ultimately prove useful in predicting areas where human Lyme disease risk may emerge.
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Affiliation(s)
- Stella C. Watson
- Department of Mathematical Sciences, Clemson University, Clemson, SC, United States of America
| | - Yan Liu
- Department of Mathematical Sciences, Clemson University, Clemson, SC, United States of America
| | - Robert B. Lund
- Department of Mathematical Sciences, Clemson University, Clemson, SC, United States of America
| | - Jenna R. Gettings
- Department of Mathematical Sciences, Clemson University, Clemson, SC, United States of America
| | - Shila K. Nordone
- Department of Molecular and Biomedical Sciences, Comparative Medicine Institute, North Carolina State University, College of Veterinary Medicine, Raleigh, NC, United States of America
| | - Christopher S. McMahan
- Department of Mathematical Sciences, Clemson University, Clemson, SC, United States of America
| | - Michael J. Yabsley
- Southeastern Cooperative Wildlife Disease Study, Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, GA, United States of America
- Warnell School of Forestry and Natural Resources, University of Georgia, Athens, GA, United States of America
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23
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Kostić T, Momčilović S, Perišić ZD, Apostolović SR, Cvetković J, Jovanović A, Barać A, Šalinger-Martinović S, Tasić-Otašević S. Manifestations of Lyme carditis. Int J Cardiol 2016; 232:24-32. [PMID: 28082088 DOI: 10.1016/j.ijcard.2016.12.169] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Revised: 12/18/2016] [Accepted: 12/25/2016] [Indexed: 02/02/2023]
Abstract
The first data of Lyme carditis, a relatively rare manifestation of Lyme disease, were published in eighties of the last century. Clinical manifestations include syncope, light-headedness, fainting, shortness of breath, palpitations, and/or chest pain. Atrioventricular (AV) electrical block of varying severity presents the most common conduction disorder in Lyme carditis. Although is usually mild, AV block can fluctuates rapidly and progress from a prolonged P-R interval to a His-Purkinje block within minutes to hours and days. Rarely, Lyme disease may be the cause of endocarditis, while some studies and reports, based on serological and/or molecular investigations, have suggested possible influence of Borrelia burgdorferi on degenerative cardiac valvular disease. Myocarditis, pericarditis, pancarditis, dilated cardiomyopathy, and heart failure have also been described as possible manifestations of Lyme carditis. The clinical course of Lyme carditis is generally mild, short term, and in most cases, completely reversible after adequate antibiotic treatment.
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Affiliation(s)
- Tomislav Kostić
- Clinic for Cardiovascular Diseases, Clinical Center Niš, Blvd Zorana Djindjica 48, 18000 Niš, Serbia; Department of Cardiology, Faculty of Medicine, University of Niš, Serbia, Blvd Zorana Djindjica 81, 18000 Niš, Serbia
| | - Stefan Momčilović
- Clinic for Cardiovascular Diseases, Clinical Center Niš, Blvd Zorana Djindjica 48, 18000 Niš, Serbia.
| | - Zoran D Perišić
- Clinic for Cardiovascular Diseases, Clinical Center Niš, Blvd Zorana Djindjica 48, 18000 Niš, Serbia; Department of Cardiology, Faculty of Medicine, University of Niš, Serbia, Blvd Zorana Djindjica 81, 18000 Niš, Serbia
| | - Svetlana R Apostolović
- Clinic for Cardiovascular Diseases, Clinical Center Niš, Blvd Zorana Djindjica 48, 18000 Niš, Serbia; Department of Cardiology, Faculty of Medicine, University of Niš, Serbia, Blvd Zorana Djindjica 81, 18000 Niš, Serbia
| | - Jovana Cvetković
- Institute for Treatment and Rehabilitation "Niška Banja", Srpskih junaka 2, 18205 Niška Banja, Niš, Serbia
| | - Andriana Jovanović
- Faculty of Medicine, University of Niš Serbia, Blvd Zorana Djindjica 81, 18000 Niš, Serbia
| | - Aleksandra Barać
- Clinic for Infectious and Tropical Diseases, Clinical Center Serbia, Blvd Oslobodjenja 16, 11000, Belgrade
| | - Sonja Šalinger-Martinović
- Clinic for Cardiovascular Diseases, Clinical Center Niš, Blvd Zorana Djindjica 48, 18000 Niš, Serbia; Department of Cardiology, Faculty of Medicine, University of Niš, Serbia, Blvd Zorana Djindjica 81, 18000 Niš, Serbia
| | - Suzana Tasić-Otašević
- Center of Microbiology and Parasitology, Public Health Institute Niš, Serbia, Blvd Zorana Djindjica 81, 18000 Niš, Serbia; Department of Microbiology and Immunology, Faculty of Medicine, University of Niš, Serbia, Blvd Zorana Djindjica 81, 18000 Niš, Serbia
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Myocarditis in Paediatric Patients: Unveiling the Progression to Dilated Cardiomyopathy and Heart Failure. J Cardiovasc Dev Dis 2016; 3:jcdd3040031. [PMID: 29367574 PMCID: PMC5715726 DOI: 10.3390/jcdd3040031] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Revised: 10/29/2016] [Accepted: 11/03/2016] [Indexed: 12/15/2022] Open
Abstract
Myocarditis is a challenging and potentially life-threatening disease associated with high morbidity in some paediatric patients, due to its ability to present as an acute and fulminant disease and to ultimately progress to dilated cardiomyopathy. It has been described as an inflammatory disease of the myocardium caused by diverse aetiologies. Viral infection is the most frequent cause of myocarditis in developed countries, but bacterial and protozoal infections or drug hypersensitivity may also be causative agents. The prompt diagnosis in paediatric patients is difficult, as the spectrum of clinical manifestation can range from no myocardial dysfunction to sudden cardiac death. Recent studies on myocarditis pathogenesis have revealed a triphasic nature of this disease, which influences the diagnostic and therapeutic strategies to adopt in each patient. Endomyocardial biopsy remains the gold standard for diagnosing myocarditis, and several non-invasive diagnostic tools can be used to support the diagnosis. Intravenous immunoglobulin has become part of routine practice in the treatment of myocarditis in paediatric patients at many centres, but its true effect on the cardiac function has been the target of many studies. The aim of this review is to approach the recently discovered facets of paediatric myocarditis regarding its progression to dilated cardiomyopathy.
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25
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Nelson CA, Farina MA, Olson D, Dominguez SR, McFarland EJ. Visual Diagnosis: 19-year-old Boy with Syncope and Bradycardia. Pediatr Rev 2016; 37:e25-8. [PMID: 27368365 DOI: 10.1542/pir.2015-0121] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Affiliation(s)
- Christina A Nelson
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, CO
| | - Mark A Farina
- Division of Pediatric Cardiology, Children's Hospital Colorado, Aurora, CO
| | - Daniel Olson
- Department of Pediatric Infectious Diseases, Children's Hospital Colorado and University of Colorado School of Medicine, Aurora, CO
| | - Samuel R Dominguez
- Department of Pediatric Infectious Diseases, Children's Hospital Colorado and University of Colorado School of Medicine, Aurora, CO
| | - Elizabeth J McFarland
- Department of Pediatric Infectious Diseases, Children's Hospital Colorado and University of Colorado School of Medicine, Aurora, CO
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26
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Abstract
A previously healthy adolescent girl presented to the emergency department with new onset chest and right upper quadrant abdominal pain. Laboratory studies and imaging were consistent with myocarditis. She developed heart block after admission and required stabilization in the cardiac intensive care unit. Lyme serology returned positive, and her condition was diagnosed as Lyme disease-associated myocarditis.
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Abstract
PURPOSE OF REVIEW We review the current evidence concerning the diagnosis of Lyme disease in children for application in the acute care setting. RECENT FINDINGS Recent studies suggest that Lyme disease incidence is substantially higher than previously described. Although efforts are ongoing to identify alternative testing strategies, two-tiered serologic testing remains the diagnostic standard in children with compatible clinical syndromes. Published clinical prediction rules can assist clinicians caring for children with potential Lyme disease. SUMMARY Two-tiered serologic testing remains the mainstay of the diagnosis of Lyme disease. To minimize the risk of a false positive test, serologic testing should be limited to those children with symptoms compatible with Lyme disease with potential exposure to ticks from endemic regions.
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28
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Abstract
Lyme disease is a common disease that uncommonly affects the heart. Because of the rarity of this diagnosis and the frequent absence of other concurrent clinical manifestations of early Lyme disease, consideration of Lyme carditis demands a high level of suspicion when patients in endemic areas come to attention with cardiovascular symptoms and evidence of higher-order heart block. A majority of cases manifest as atrioventricular block. A minority of Lyme carditis cases are associated with myopericarditis. Like other manifestations of Lyme disease, carditis can readily be managed with antibiotic therapy and supportive care measures, such that affected patients almost always completely recover.
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Affiliation(s)
- Matthew L Robinson
- Division of Infectious Diseases, Department of Medicine, Johns Hopkins University, 1830 East Monument Street, Room 448, Baltimore, MD 21287, USA
| | - Takaaki Kobayashi
- The Sherrilyn and Ken Fisher Center for Environmental Infectious Diseases, Division of Infectious Diseases, Department of Medicine, Johns Hopkins University, 725 North Wolfe Street, PTCB - Room 231, Baltimore, MD 21287, USA
| | - Yvonne Higgins
- The Sherrilyn and Ken Fisher Center for Environmental Infectious Diseases, Division of Infectious Diseases, Department of Medicine, Johns Hopkins University, 725 North Wolfe Street, PTCB - Room 231, Baltimore, MD 21287, USA
| | - Hugh Calkins
- Division of Cardiology, Department of Medicine, Johns Hopkins University, 600 North Wolfe Street, Sheikh Zayed Tower, Room 7125R, Baltimore, MD 21287, USA
| | - Michael T Melia
- Division of Infectious Diseases, Department of Medicine, Johns Hopkins University, 1830 East Monument Street, Room 448, Baltimore, MD 21287, USA.
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Admani S, Jinna S, Friedlander SF, Sloan B. Cutaneous infectious diseases: Kids are not just little people. Clin Dermatol 2015; 33:657-71. [PMID: 26686017 DOI: 10.1016/j.clindermatol.2015.09.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
The changes in immune response that occur with age play a significant role in disease presentation and patient management. Evolution of the innate and adaptive immune systems throughout life, influenced partly by hormonal changes associated with puberty, plays a role in the differences between pediatric and adult response to disease. We review a series of manifestations of dermatologic infectious diseases spanning bacterial, viral, and fungal origins that can be seen in both pediatric and adult age groups and highlight similarities and differences in presentation and disease course. Therapeutic options are also discussed for these infectious diseases, with particular attention to variations in management between these population subgroups, given differences in pharmacokinetics and side effect profiles.
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Affiliation(s)
- Shehla Admani
- Department of Pediatric Dermatology, University of California at San Diego School of Medicine, San Diego, CA
| | - Sphoorthi Jinna
- Department of Dermatology, University of Connecticut Health Sciences, 21 South Road, Farmington, CT, 06032
| | - Sheila Fallon Friedlander
- Fellowship Training Program, Rady Children's Hospital, Department of Clinical Pediatrics & Medicine, University of California at San Diego School of Medicine, 8010 Frost Street, Suite 602, San Diego, CA 92123
| | - Brett Sloan
- Department of Dermatology, University of Connecticut Health Sciences, 21 South Road, Farmington, CT, 06032.
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Affiliation(s)
- Alida L P Caforio
- Cardiology, Department of Cardiological Thoracic and Vascular Sciences, University of Padua, Padua, Italy
| | - Renzo Marcolongo
- Clinical Immunology, Department of Medicine (DIMED), University of Padua, Padua, Italy
| | - Cristina Basso
- Cardiovascular Pathology, Department of Cardiological, Thoracic and Vascular Sciences, University of Padua, Padua, Italy
| | - Sabino Iliceto
- Cardiology, Department of Cardiological Thoracic and Vascular Sciences, University of Padua, Padua, Italy
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Sonnleitner A, Trobisch A, Klobassa D, Zenz W. Borreliose im Kindes- und Jugendalter. Monatsschr Kinderheilkd 2015. [DOI: 10.1007/s00112-014-3251-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Mannava K, G Grabinski Z, Mousa O. Putting Heart Block Back in the "Lyme Light". J Cardiol Cases 2015; 11:105-108. [PMID: 30546542 PMCID: PMC6280003 DOI: 10.1016/j.jccase.2014.12.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2014] [Revised: 12/01/2014] [Accepted: 12/03/2014] [Indexed: 10/24/2022] Open
Abstract
We report a case of syncope in a young patient who presented with high-degree, variable atrioventricular heart block. Despite having no other classic manifestations of Lyme disease, she was treated with intravenous ceftriaxone for Lyme carditis on high clinical suspicion due to geographic location. The heart block resolved within 24 h of treatment. Although rare, we demonstrate the importance of considering Lyme carditis in patients who present with new-onset heart block and a history of living in an endemic area. Initiation of empiric antibiotic therapy can lead to rapid resolution of this condition. .
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Affiliation(s)
| | | | - Omar Mousa
- Department of Internal Medicine, Upstate Medical University, Syracuse, NY, USA
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Lyme disease: a case report of a 17-year-old male with fatal Lyme carditis. Cardiovasc Pathol 2015; 24:317-21. [PMID: 25864163 DOI: 10.1016/j.carpath.2015.03.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2015] [Revised: 03/15/2015] [Accepted: 03/16/2015] [Indexed: 12/25/2022] Open
Abstract
Lyme disease is a systemic infection commonly found in the northeastern, mid-Atlantic, and north-central regions of the United States. Of the many systemic manifestations of Lyme disease, cardiac involvement is uncommon and rarely causes mortality. We describe a case of a 17-year-old adolescent who died unexpectedly after a 3-week viral-like syndrome. Postmortem examination was remarkable for diffuse pancarditis characterized by extensive infiltrates of lymphocytes and focal interstitial fibrosis. In the cardiac tissue, Borrelia burgdorferi was identified via special stains, immunohistochemistry, and polymerase chain reaction. The findings support B. burgdorferi as the causative agent for his fulminant carditis and that the patient suffered fatal Lyme carditis. Usually, Lyme carditis is associated with conduction disturbances and is a treatable condition. Nevertheless, few cases of mortality have been reported in the literature. Here, we report a rare example of fatal Lyme carditis in an unsuspected patient.
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34
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Lyme disease: A rigorous review of diagnostic criteria and treatment. J Autoimmun 2015; 57:82-115. [DOI: 10.1016/j.jaut.2014.09.004] [Citation(s) in RCA: 97] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2014] [Revised: 09/15/2014] [Accepted: 09/16/2014] [Indexed: 01/07/2023]
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Abstract
PURPOSE OF REVIEW Pediatric brady-dysrhythmias and conduction disorders are uncommon, but timely recognition and evaluation are critical. This review will highlight the key diagnostic and management steps for first, second, and third-degree atrioventricular heart block in pediatric patients. RECENT FINDINGS There is a breadth of acquired and often reversible causes of atrioventricular block in childhood. Recent advances in diagnostics and pacing therapies have led to improved outcomes. SUMMARY A thorough evaluation is required to determine when atrioventricular block requires treatment. In symptomatic or unstable patients, the management should focus on resuscitative measures, diagnostic testing, potential reversible causes, monitoring for progression, cardiac consultation and evaluating the need for definitive pacemaker placement.
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Affiliation(s)
- Charles E. Canter
- From the Division of Pediatric Cardiology, Department of Pediatrics, Washington University, St. Louis, MO
| | - Kathleen E. Simpson
- From the Division of Pediatric Cardiology, Department of Pediatrics, Washington University, St. Louis, MO
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38
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Serological, clinical and epidemiological aspects of Lyme borreliosis in Mures County, Romania. REV ROMANA MED LAB 2014. [DOI: 10.2478/rrlm-2014-0020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Esposito S, Bosis S, Sabatini C, Tagliaferri L, Principi N. Borrelia burgdorferi infection and Lyme disease in children. Int J Infect Dis 2013; 17:e153-8. [DOI: 10.1016/j.ijid.2012.09.014] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2012] [Accepted: 09/26/2012] [Indexed: 12/01/2022] Open
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Welsh EJ, Cohn KA, Nigrovic LE, Thompson AD, Hines EM, Lyons TW, Glatz AC, Shah SS. Electrocardiograph Abnormalities in Children With Lyme Meningitis. J Pediatric Infect Dis Soc 2012; 1:293-8. [PMID: 26619422 DOI: 10.1093/jpids/pis078] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2012] [Accepted: 07/03/2012] [Indexed: 11/14/2022]
Abstract
OBJECTIVE The objective of the study was to estimate the prevalence of and identify risk factors for electrocardiographic (ECG) changes in children presenting with Lyme meningitis. DESIGN This was a cross-sectional study. SETTING The study was set in three large urban pediatric tertiary care centers. PARTICIPANTS Children who were diagnosed with Lyme meningitis and underwent ECG testing were included. OUTCOME MEASURE The presence of an ECG abnormality associated with early-disseminated Lyme infection was the outcome measure. RESULTS Multivariable logistic regression was used to identify factors independently associated with ECG abnormalities. ECG testing was performed in 103 (66%) of 157 children with Lyme meningitis. The median age of these children was 10.8 years; 68% were male. ECG abnormalities, identified in 34 (33%) subjects, included one or more of the following: atrioventricular block (n = 16; 16%), ST-T wave changes (n = 14; 14%), and prolongation of the corrected QT interval (n = 11; 11%). In multivariate analysis, age ≥13 years and fever for ≥5 days were independently associated with ECG abnormalities. The probability of ECG abnormalities was greater than 50% in those with fever for ≥5 days or age ≥13 years, and if a subject fulfilled both criteria, the probability of ECG abnormalities was 83% (95% confidence interval: 50%-96%). CONCLUSIONS Electrocardiographic abnormalities occur commonly in children with Lyme meningitis. While older children with prolonged fever were most likely to have such abnormalities, the clinical consequences of asymptomatic ECG abnormalities in children with Lyme meningitis are not known.
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Affiliation(s)
| | - Keri A Cohn
- Emergency Medicine, and Infectious Diseases, Department of Pediatrics, Boston Children's Hospital, and Harvard Medical School, Boston, Massachusetts
| | | | - Amy D Thompson
- Division of Emergency Medicine, Alfred I. duPont Hospital for Children, Wilmington, Delaware; Divisions of
| | | | - Todd W Lyons
- Emergency Medicine, and Harvard Medical School, Boston, Massachusetts
| | - Andrew C Glatz
- Cardiology, The Children's Hospital of Philadelphia, and Department of Pediatrics, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania
| | - Samir S Shah
- Department of Pediatrics, University of Cincinnati College of Medicine, and Divisions of Infectious Diseases Hospital Medicine, Cincinnati Children's Hospital Medical Center, Ohio
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Caforio ALP, Marcolongo R, Jahns R, Fu M, Felix SB, Iliceto S. Immune-mediated and autoimmune myocarditis: clinical presentation, diagnosis and management. Heart Fail Rev 2012; 18:715-32. [DOI: 10.1007/s10741-012-9364-5] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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43
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Management of paediatric Lyme disease in non-endemic and endemic areas: data from the Registry of the Italian Society for Pediatric Infectious Diseases. Eur J Clin Microbiol Infect Dis 2012; 32:523-9. [DOI: 10.1007/s10096-012-1768-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2012] [Accepted: 10/16/2012] [Indexed: 10/27/2022]
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Diastolic heart murmur, nocturnal back pain, and lumbar rigidity in a 7-year girl: an unusual manifestation of lyme disease in childhood. Case Rep Pediatr 2012; 2012:976961. [PMID: 23056982 PMCID: PMC3465881 DOI: 10.1155/2012/976961] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2012] [Accepted: 09/03/2012] [Indexed: 11/18/2022] Open
Abstract
A 7-year-old girl presented with nocturnal pain in her back and legs. The physical examination revealed a loud opening sound of the mitral valve and lumbar rigidity. With the exception of significantly increased anti-nuclear antibody (ANA) levels, the immunological findings did not show any other abnormal parameters, also spinal magnetic resonance imaging (MRI) and ultrasound examination of the abdomen and pelvis yield no pathological findings. The lumbar puncture showed a lymphocytic pleocytosis as well as an intrathecal synthesis of Borrelia-specific antibodies. Echocardiography showed a thickened mitral valve with mild regurgitation. No other signs of florid endocarditis or myocarditis could be detected. Due to these findings, the diagnosis Lyme neuroborreliosis was made and an intravenous antibiotic therapy was given. The clinical symptoms subsided. Six months later, she had an almost normal mitral valve with only trivial mitral insufficiency. The association between the lumbar rigidity and the thickened mitral valve remains unclear. The case of our patient with nocturnal back and leg pain may be considered a rare case of Lyme neuroborreliosis with meningoradiculitis in children, and to our knowledge these symptoms together with cardiac involvement, such as a significantly thickened mitral valve, have not yet been described in the literature.
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Abstract
Myocarditis is an underdiagnosed cause of acute heart failure, sudden death, and chronic dilated cardiomyopathy. In developed countries, viral infections commonly cause myocarditis; however, in the developing world, rheumatic carditis, Trypanosoma cruzi, and bacterial infections such as diphtheria still contribute to the global burden of the disease. The short-term prognosis of acute myocarditis is usually good, but varies widely by cause. Those patients who initially recover might develop recurrent dilated cardiomyopathy and heart failure, sometimes years later. Because myocarditis presents with non-specific symptoms including chest pain, dyspnoea, and palpitations, it often mimics more common disorders such as coronary artery disease. In some patients, cardiac MRI and endomyocardial biopsy can help identify myocarditis, predict risk of cardiovascular events, and guide treatment. Finding effective therapies has been challenging because the pathogenesis of chronic dilated cardiomyopathy after viral myocarditis is complex and determined by host and viral genetics as well as environmental factors. Findings from recent clinical trials suggest that some patients with chronic inflammatory cardiomyopathy have a progressive clinical course despite standard medical care and might improve with a short course of immunosuppression.
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Affiliation(s)
- Sandeep Sagar
- Division of Cardiovascular Diseases, Mayo Clinic, Rochester, MN 55905, USA
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46
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Rhee H, Cameron DJ. Lyme disease and pediatric autoimmune neuropsychiatric disorders associated with streptococcal infections (PANDAS): an overview. Int J Gen Med 2012; 5:163-74. [PMID: 22393303 PMCID: PMC3292400 DOI: 10.2147/ijgm.s24212] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Lyme disease (LD) is a complex, multisystemic illness. As the most common vector- borne disease in the United States, LD is caused by bacterial spirochete Borrelia burgdorferi sensu stricto, with potential coinfections from agents of anaplasmosis, babesiosis, and ehrlichiosis. Persistent symptoms and clinical signs reflect multiorgan involvement with episodes of active disease and periods of remission, not sparing the coveted central nervous system. The capability of microorganisms to cause and exacerbate various neuropsychiatric pathology is also seen in pediatric autoimmune neuropsychiatric disorders associated with streptococcal infections (PANDAS), a recently described disorder attributed to bacterium Streptococcus pyogenes of group A beta-hemolytic streptococcus in which neurologic tics and obsessive-compulsive disorders are sequelae of the infection. In the current overview, LD and PANDAS are juxtaposed through a review of their respective infectious etiologies, clinical presentations, mechanisms of disease development, courses of illness, and treatment options. Future directions related to immunoneuropsychiatry are also discussed.
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Dubrey SW, Mehta PA, O'Connell S. Lyme disease and the heart in the UK. Br J Hosp Med (Lond) 2011; 72:621-2, 624-5. [DOI: 10.12968/hmed.2011.72.11.621] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Simon W Dubrey
- Department of Cardiology, Hillingdon Hospital, Uxbridge, Middlesex UB8 3NN
| | | | - Susan O'Connell
- Health Protection Agency Microbiology Services, Southampton General Hospital, Southampton
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Frank DB, Patel AR, Sanchez GR, Shah MJ, Bonney WJ. Junctional tachycardia in a child with Lyme carditis. Pediatr Cardiol 2011; 32:689-91. [PMID: 21380716 DOI: 10.1007/s00246-011-9932-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2010] [Accepted: 02/06/2011] [Indexed: 11/28/2022]
Abstract
A 3-year-old girl presented with fatigue, fever, and rash. Tachycardia was noted and an ECG showed junctional tachycardia. Lyme titers were positive and the arrhythmia resolved with intravenous ceftriaxone.
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Affiliation(s)
- David B Frank
- Division of Pediatric Cardiology, Department of Pediatrics, The Children's Hospital of Philadelphia, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
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Mah D, Wang A, Wu A, Alexander ME, Walsh EP. Marked QT prolongation and ventricular tachycardia of a transient nature in young children with cardiomyopathy. PACING AND CLINICAL ELECTROPHYSIOLOGY: PACE 2011; 35:e247-50. [PMID: 21605133 DOI: 10.1111/j.1540-8159.2011.03126.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Significant prolongation of the QT interval in pediatric patients with cardiomyopathy is rare. We report two cases of dilated myopathy with transient and dramatic QT prolongation. Both had associated ventricular arrhythmias, with one having torsade de pointes, and the other nonsustained ventricular tachycardia. Normalization of their QTc occurred as their ventricular function improved.
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Affiliation(s)
- Douglas Mah
- Department of Cardiology, Children's Hospital Boston, Boston, Massachusetts, USA.
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50
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Abstract
Lyme disease is the most common tick-borne disease in the United States and Europe. Increased awareness of the clinical manifestations of the disease is needed to improve detection and treatment. In the acute and late stages, Lyme disease may be difficult to distinguish from other disease processes. The epidemiology and pathophysiology of Lyme disease are directly related to the Borrelia burgdorferi spirochete and its effects on the integumentary, neurologic, cardiac, and musculoskeletal systems. Lyme arthritis is a common clinical manifestation of Lyme disease and should be considered in the evaluation of patients with monoarticular or pauciarticular joint complaints in a geographic area in which Lyme disease is endemic. Management of Lyme arthritis involves eradication of the spirochete with antibiotics. Generally, the prognosis is excellent. Arthroscopic synovectomy is reserved for refractory cases that do not respond to antibiotics.
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