1
|
Owens K, Esmaeili S, Schiffer JT. Heterogeneous SARS-CoV-2 kinetics due to variable timing and intensity of immune responses. JCI Insight 2024; 9:e176286. [PMID: 38573774 PMCID: PMC11141931 DOI: 10.1172/jci.insight.176286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 03/27/2024] [Indexed: 04/06/2024] Open
Abstract
The viral kinetics of documented SARS-CoV-2 infections exhibit a high degree of interindividual variability. We identified 6 distinct viral shedding patterns, which differed according to peak viral load, duration, expansion rate, and clearance rate, by clustering data from 768 infections in the National Basketball Association cohort. Omicron variant infections in previously vaccinated individuals generally led to lower cumulative shedding levels of SARS-CoV-2 than other scenarios. We then developed a mechanistic mathematical model that recapitulated 1,510 observed viral trajectories, including viral rebound and cases of reinfection. Lower peak viral loads were explained by a more rapid and sustained transition of susceptible cells to a refractory state during infection as well as by an earlier and more potent late, cytolytic immune response. Our results suggest that viral elimination occurs more rapidly during Omicron infection, following vaccination, and following reinfection due to enhanced innate and acquired immune responses. Because viral load has been linked with COVID-19 severity and transmission risk, our model provides a framework for understanding the wide range of observed SARS-CoV-2 infection outcomes.
Collapse
Affiliation(s)
- Katherine Owens
- Fred Hutchinson Cancer Center, Vaccine and Infectious Diseases Division, Seattle, Washington, USA
| | - Shadisadat Esmaeili
- Fred Hutchinson Cancer Center, Vaccine and Infectious Diseases Division, Seattle, Washington, USA
| | - Joshua T. Schiffer
- Fred Hutchinson Cancer Center, Vaccine and Infectious Diseases Division, Seattle, Washington, USA
- University of Washington, Department of Medicine, Seattle, Washington, USA
| |
Collapse
|
2
|
Owens K, Esmaeili-Wellman S, Schiffer JT. Heterogeneous SARS-CoV-2 kinetics due to variable timing and intensity of immune responses. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2024:2023.08.20.23294350. [PMID: 37662228 PMCID: PMC10473815 DOI: 10.1101/2023.08.20.23294350] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/05/2023]
Abstract
The viral kinetics of documented SARS-CoV-2 infections exhibit a high degree of inter-individual variability. We identified six distinct viral shedding patterns, which differed according to peak viral load, duration, expansion rate and clearance rate, by clustering data from 768 infections in the National Basketball Association cohort. Omicron variant infections in previously vaccinated individuals generally led to lower cumulative shedding levels of SARS-CoV-2 than other scenarios. We then developed a mechanistic mathematical model that recapitulated 1510 observed viral trajectories, including viral rebound and cases of reinfection. Lower peak viral loads were explained by a more rapid and sustained transition of susceptible cells to a refractory state during infection, as well as an earlier and more potent late, cytolytic immune response. Our results suggest that viral elimination occurs more rapidly during omicron infection, following vaccination, and following re-infection due to enhanced innate and acquired immune responses. Because viral load has been linked with COVID-19 severity and transmission risk, our model provides a framework for understanding the wide range of observed SARS-CoV-2 infection outcomes.
Collapse
Affiliation(s)
- Katherine Owens
- Fred Hutchinson Cancer Center, Vaccine and Infectious Diseases Division
| | | | - Joshua T Schiffer
- Fred Hutchinson Cancer Center, Vaccine and Infectious Diseases Division
- University of Washington, Department of Medicine
| |
Collapse
|
3
|
Wu VCC, Huang CH, Wang CL, Lin MH, Kuo TY, Chang CH, Wu M, Chen SW, Chang SH, Chu PH, Wu CS, Lin YS. Cardiovascular outcomes in hepatitis C virus infected patients treated with direct acting antiviral therapy: a retrospective multi-institutional study. EUROPEAN HEART JOURNAL. CARDIOVASCULAR PHARMACOTHERAPY 2023; 9:507-514. [PMID: 37170917 DOI: 10.1093/ehjcvp/pvad030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 04/04/2023] [Accepted: 04/25/2023] [Indexed: 05/13/2023]
Abstract
BACKGROUND Chronic hepatitis C virus (HCV) infection is associated with increased cardiovascular risks. We aimed to investigate the impact of direct acting antiviral (DAA) on HCV-associated cardiovascular events. METHODS In this retrospective cohort study, patients with the diagnosis of chronic HCV were retrieved from multi-institutional electronic medical records, where diagnosis of HCV was based on serum HCV antibody and HCV-RNA test. The patients eligible for analysis were then separated into patients with DAA treatment and patient without DAA treatment. Primary outcomes included acute coronary syndrome, heart failure (HF), venous thromboembolism (VTE), stroke, cardiovascular death, major adverse cardiovascular event (MACE), and all-cause mortality. Outcomes developed during follow-up were compared between DAA treatment and non-DAA treatment groups. RESULTS There were 41 565 patients with chronic HCV infection identified. After exclusion criteria applied, 1984 patients in the DAA treatment group and 413 patients in the non-DAA treatment group were compared for outcomes using inverse probability of treatment weighting. Compared to patients in non-DAA treatment group, patients in DAA treatment group were associated with significantly decreased HF (hazard ratio [HR]: 0.65, 95% confidence interval [CI]: 0.44-0.97, P = 0.035), VTE (HR: 0.19, 95% CI: 0.07-0.49, P = 0.001), MACE (HR: 0.73, 95% CI 0.59-0.92, P = 0.007), and all-cause mortality (HR: 0.50, 95% CI: 0.38-0.67, P < 0.001) at 3-year follow-up. CONCLUSIONS Chronic HCV patients treated with DAA experienced lower rates of cardiovascular events and all-cause mortality than those without treatment. The reduction of VTE was the most significant impact of DAA treatment among the cardiovascular outcomes.
Collapse
Affiliation(s)
- Victor Chien-Chia Wu
- Division of Cardiology, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan City 333423, Taiwan
- School of Medicine, College of Medicine, Chang Gung University, Taoyuan 333323, Taiwan
| | - Chien-Hao Huang
- School of Medicine, College of Medicine, Chang Gung University, Taoyuan 333323, Taiwan
- Department of Gastroenterology and Hepatology, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan City 333423, Taiwan
| | - Chun-Li Wang
- Division of Cardiology, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan City 333423, Taiwan
- School of Medicine, College of Medicine, Chang Gung University, Taoyuan 333323, Taiwan
| | - Meng-Hung Lin
- Health Information and Epidemiology Laboratory, Chang Gung Memorial Hospital Chiayi Branch, Chiayi 613016, Taiwan
| | - Ting-Yu Kuo
- Health Information and Epidemiology Laboratory, Chang Gung Memorial Hospital Chiayi Branch, Chiayi 613016, Taiwan
| | - Chih-Hsiang Chang
- School of Medicine, College of Medicine, Chang Gung University, Taoyuan 333323, Taiwan
- Department of Nephrology, Kidney Research Center, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan City 333423, Taiwan
| | - Michael Wu
- Divison of Cardiovascular Medicine, Rhode Island Hospital, Warren Alpert School of Medicine, Brown University, Providence, RI 02903, USA
| | - Shao-Wei Chen
- Department of Cardiothoracic and Vascular Surgery, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan City 333423, Taiwan
| | - Shang-Hung Chang
- Division of Cardiology, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan City 333423, Taiwan
| | - Pao-Hsien Chu
- Division of Cardiology, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan City 333423, Taiwan
| | - Cheng-Shyong Wu
- Department of Gastroenterology and Hepatology, Chang Gung Memorial Hospital, Chiayi 613016, Taiwan
| | - Yu-Sheng Lin
- Department of Cardiology, Chang Gung Memorial Hospital, Chiayi 613016, Taiwan
| |
Collapse
|
4
|
Muftah AA, Banala C, Raasikh T, Jamali T, Bustamante G, Cholankeril G, Kanwal F, Flores A, Hernaez R. Telehealth interventions in patients with chronic liver diseases: A systematic review. Hepatology 2023; 78:179-194. [PMID: 36632994 DOI: 10.1097/hep.0000000000000265] [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] [Received: 06/20/2022] [Accepted: 11/17/2022] [Indexed: 01/13/2023]
Abstract
BACKGROUND AND AIM Telehealth interventions may improve access to care, disease-specific, and quality outcomes in chronic liver diseases (CLDs). We aimed to systematically evaluate outcomes of telehealth interventions in CLDs. MATERIALS AND METHODS We used key terms and searched PubMed/EMBASE from inception to January 10, 2022. Two authors independently screened abstracts. Disagreements were resolved by a third reviewer. We included any type of CLD, including posttransplant patients, and extracted outcomes as defined by authors for each etiology of CLD (sustained virological response in HCV or weight loss in NAFLD). Meta-analysis was not performed because of the heterogeneity of data. Quality assessment was performed using the Newcastle-Ottawa Scale for observational studies and the Cochrane Risk of Bias tool for clinical trials. RESULTS Of 4250 studies screened, 43 met the inclusion criteria. Of these, 28 reported HCV treatment outcomes. All studies showed no statistically significant differences between sustained virological response rates in TH groups compared with control groups or historic cohorts. Eight studies evaluating liver transplant-related processes and outcomes demonstrated improved rates of transplant evaluation and referrals and decreased short-term readmission rates. Three randomized controlled trials and 1 observational study on NAFLD showed improved weight loss outcomes. One retrospective study showed reduced mortality risk in CLD patients with at least 1 TH encounter. CONCLUSIONS TH interventions in patients with CLDs consistently show equivalent or improved clinical outcomes compared with traditional encounters. TH in CLDs can bridge the gap in access while maintaining the quality of care for underserved populations.
Collapse
Affiliation(s)
- Abdullah A Muftah
- Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
| | - Chaitra Banala
- Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
| | - Taaj Raasikh
- Department of Gastroenterology, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Taher Jamali
- Division of Gastroenterology, Henry Ford Hospital, Detroit, Michigan, USA
| | | | - George Cholankeril
- Section of Gastroenterology and Hepatology, Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
| | - Fasiha Kanwal
- Section of Gastroenterology and Hepatology, Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
- Section of Gastroenterology, Michael E. DeBakey Veterans Affairs Medical Center, Houston, Texas, USA
- Center for Innovations in Quality, Effectiveness and Safety (IQuESt), Michael E. DeBakey Veterans Affairs Medical Center, Houston, Texas, USA
| | - Avegail Flores
- Section of Gastroenterology and Hepatology, Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
- Section of Gastroenterology, Michael E. DeBakey Veterans Affairs Medical Center, Houston, Texas, USA
| | - Ruben Hernaez
- Section of Gastroenterology and Hepatology, Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
- Section of Gastroenterology, Michael E. DeBakey Veterans Affairs Medical Center, Houston, Texas, USA
- Center for Innovations in Quality, Effectiveness and Safety (IQuESt), Michael E. DeBakey Veterans Affairs Medical Center, Houston, Texas, USA
| |
Collapse
|
5
|
Ushiyama Y, Horimoto Y, Uomori T, Ishizuka Y, Okazaki M, Onagi H, Hayashi T, Watanabe J, Saito M. Acute myocarditis during adjuvant therapies for breast cancer: a case report. Surg Case Rep 2023; 9:44. [PMID: 36949265 PMCID: PMC10033794 DOI: 10.1186/s40792-023-01626-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 03/17/2023] [Indexed: 03/24/2023] Open
Abstract
BACKGROUND With the improvement of optimal perioperative drug therapy for breast cancer patients, physicians now have to treat the adverse effects and comorbidities associated with long-term treatments. We report a case who suffered cardiac arrest due to acute myocarditis developed after initiation of adjuvant treatment. CASE PRESENTATION After completing preoperative chemotherapy and undergoing curative surgery for right breast cancer, a 46-year-old female patient started adjuvant tamoxifen and resumed trastuzumab. Two months later, she complained fever and dyspnea. Blood tests showed a marked increase in hepatic enzymes, and the patient was rushed to our emergency room on suspicion of drug-induced liver injury. In the emergency room, the patient went into cardiac arrest shortly after tachycardia with ST-segment elevation appeared on the monitored electrocardiogram. Resuscitation was started immediately and tracheal intubation, intra-aortic balloon pumping, and extracorporeal membrane oxygenation were started. Coronary angiography results were negative for ischemic heart disease. A diagnosis of fulminant myocarditis was made and steroid pulse therapy and immunoglobulin therapy were started. After the start of treatment, the symptoms of heart failure improved steadily and the patient was discharged on the 28th day. Histological findings of the myocardial biopsy revealed degeneration and necrosis of myocardial cells with marked lymphocytic infiltration, consistent with the histology of lymphocytic myocarditis. Serum cytomegalovirus, coxsackie B virus and adenovirus antibodies were all elevated and these findings were consistent with acute viral myocarditis. CONCLUSIONS We report a case with strong indications for therapy-induced liver damage, who was ultimately diagnosed with acute viral myocarditis and successfully treated with multidisciplinary therapy. We believe that our findings would be useful for other clinicians in managing similar patients.
Collapse
Affiliation(s)
- Yumiko Ushiyama
- Department of Breast Oncology, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-0033, Japan
| | - Yoshiya Horimoto
- Department of Breast Oncology, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-0033, Japan.
- Department of Human Pathology, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-0033, Japan.
| | - Toshitaka Uomori
- Department of Breast Oncology, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-0033, Japan
| | - Yumiko Ishizuka
- Department of Breast Oncology, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-0033, Japan
| | - Misato Okazaki
- Department of Breast Oncology, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-0033, Japan
| | - Hiroko Onagi
- Department of Human Pathology, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-0033, Japan
| | - Takuo Hayashi
- Department of Human Pathology, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-0033, Japan
| | - Junichiro Watanabe
- Department of Breast Oncology, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-0033, Japan
| | - Mitsue Saito
- Department of Breast Oncology, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-0033, Japan
| |
Collapse
|