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Bota SE, McArthur E, Naylor KL, Blake PG, Yau K, Hladunewich MA, Levin A, Oliver MJ. Long-Term Morbidity and Mortality of Coronavirus Disease 2019 in Patients Receiving Maintenance Dialysis: A Multicenter Population-Based Cohort Study. KIDNEY360 2024; 5:1116-1125. [PMID: 39151048 PMCID: PMC11371337 DOI: 10.34067/kid.0000000000000490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 06/04/2024] [Indexed: 08/18/2024]
Abstract
Key Points The rates of long-term mortality, reinfection, cardiovascular outcomes, and hospitalization were high among coronavirus disease 2019 (COVID-19) survivors on maintenance dialysis. Several risk factors, including intensive care unit admission related to COVID-19 and reinfection, were found to have a prolonged effect on survival. This study shows that the burden of COVID-19 remains high after the period of acute infection in the population receiving maintenance dialysis. Background Many questions remain about the population receiving maintenance dialysis who survived coronavirus disease 2019 (COVID-19). Previous literature has focused on outcomes associated with the initial severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, but it may underestimate the effect of disease. This study describes the long-term morbidity and mortality among patients receiving maintenance dialysis in Ontario, Canada, who survived SARS-CoV-2 infection and the risk factors associated with long-term mortality. Methods We conducted a population-based cohort study of patients receiving maintenance dialysis in Ontario, Canada, who tested positive for SARS-CoV-2 and survived 30 days between March 14, 2020, and December 1, 2021 (pre-Omicron), with follow-up until September 30, 2022. Our primary outcome was all-cause mortality while our secondary outcomes included reinfection, composite of cardiovascular (CV)–related death or hospitalization, all-cause hospitalization, and admission to long-term care or complex continuing care. We also examined risk factors associated with long-term mortality using multivariable Cox proportional hazards regression. Results We included 798 COVID-19 survivors receiving maintenance dialysis. After the first 30 days of infection, death occurred at a rate of 15.0 per 100 person-years (95% confidence interval [CI], 12.9 to 17.5) over a median follow-up of 1.4 years (interquartile range, 1.1–1.7) with a nadir of death at approximately 0.5 years. Reinfection, composite CV death or hospitalization, and all-cause hospitalization occurred at a rate (95% CI) of 15.9 (13.6 to 18.5), 17.4 (14.9 to 20.4), and 73.1 (66.6 to 80.2) per 100 person-years, respectively. In addition to traditional predictors of mortality, intensive care unit admission for COVID-19 had a prolonged effect on survival (adjusted hazard ratio, 2.6; 95% CI, 1.6 to 4.3). Reinfection with SARS-CoV-2 among 30-day survivors increased all-cause mortality (adjusted hazard ratio, 2.2; 95% CI, 1.4 to 3.3). Conclusions The burden of COVID-19 persists beyond the period of acute infection in the population receiving maintenance dialysis in Ontario with high rates of death, reinfection, all-cause hospitalization, and CV disease among COVID-19 survivors.
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Affiliation(s)
- Sarah E. Bota
- ICES, Toronto, Ontario, Canada
- Lawson Health Research Institute, London Health Sciences Centre, London, Ontario, Canada
| | - Eric McArthur
- ICES, Toronto, Ontario, Canada
- Lawson Health Research Institute, London Health Sciences Centre, London, Ontario, Canada
| | - Kyla L. Naylor
- ICES, Toronto, Ontario, Canada
- Lawson Health Research Institute, London Health Sciences Centre, London, Ontario, Canada
- Department of Epidemiology and Biostatistics, Western University, London, Ontario, Canada
| | - Peter G. Blake
- Lawson Health Research Institute, London Health Sciences Centre, London, Ontario, Canada
- Ontario Health, Toronto, Ontario, Canada
- Division of Nephrology, London Health Sciences Centre, London, Ontario, Canada
| | - Kevin Yau
- Department of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Michelle A. Hladunewich
- Ontario Health, Toronto, Ontario, Canada
- Department of Medicine, University of Toronto, Toronto, Ontario, Canada
- Division of Nephrology, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
| | - Adeera Levin
- Division of Nephrology, University of British Columbia, Vancouver, British Columbia, Canada
- BC Provincial Renal Agency, Vancouver, British Columbia, Canada
| | - Matthew J. Oliver
- Division of Nephrology, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
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Premuzic V, Stevanovic R, Vilibic-Cavlek T, Sirovica M, Stalman S, Bogdanic M, Zilic D, Nakic D, Santini Dusevic D, Vojkovic M, Barbic J, Durlen I, Grdan Z, Pavlovic D, Kudumija B, Sefer S, Griparic D, Rogic D, Bubas M, Capak K, Jelakovic B. Serological Response to SARS-CoV-2 Vaccine in Hemodialyzed Patients and the Association with Later COVID-19 Positivity. Antibodies (Basel) 2023; 12:37. [PMID: 37366653 DOI: 10.3390/antib12020037] [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: 03/29/2023] [Revised: 05/13/2023] [Accepted: 05/22/2023] [Indexed: 06/28/2023] Open
Abstract
BACKGROUND The effectiveness of the COVID-19 vaccine may differ in hemodialysis patients. The aim of this prospective multicenter study was to determine the degree of serological response to the SARS-CoV-2 vaccine in the population of dialysis patients and its association with later SARS-CoV-2 infections. METHODS A blood sample was taken for the determination of COVID-19 serological status (IgG antibodies) in 706 dialysis patients 16 weeks after vaccination with the second dose (Pfizer-BioNTech). RESULTS Only 314 (44.5%) hemodialyzed patients had a satisfactory response to the COVID-19 vaccine. Eighty-two patients (11.6%) had a borderline response, while 310 patients (43.9%) had an unsatisfactory (negative) post-vaccinal antibody titer. A longer dialysis vintage had an increased odds ratio (OR) of 1.01 for the occurrence of COVID-19 positivity after vaccination. In the group of subsequently positive patients, 28 patients (13.6%) died from complications of COVID-19. We have found differences in mean survival time between patients with and without appropriate responses to vaccination in favor of patients with a satisfactory serological response. CONCLUSIONS The results showed that the dialysis population will not have the same serological response to the vaccine as the general population. The majority of dialysis patients did not develop a severe clinical picture or die at the time of positivity for COVID-19.
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Affiliation(s)
- Vedran Premuzic
- Department of Nephrology, Hypertension, Dialysis and Transplantation, University Hospital Center Zagreb, 10000 Zagreb, Croatia
- School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | | | - Tatjana Vilibic-Cavlek
- School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
- Croatian Institute of Public Health, 10000 Zagreb, Croatia
| | - Maja Sirovica
- School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | - Sara Stalman
- School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | - Maja Bogdanic
- Croatian Institute of Public Health, 10000 Zagreb, Croatia
| | | | - Dario Nakic
- Department of Nephrology and Dialysis, General Hospital Zadar, 23000 Zadar, Croatia
| | | | - Marina Vojkovic
- Department of Nephrology and Dialysis, General Hospital Zadar, 23000 Zadar, Croatia
| | - Jerko Barbic
- Department of Nephrology, Dialysis and Transplantation, Clinical Hospital Center Osijek, 31000 Osijek, Croatia
| | - Ivan Durlen
- Department of Nephrology and Dialysis, University Hospital Dubrava, 10000 Zagreb, Croatia
| | - Zeljka Grdan
- Department of Nephrology, Clinical Hospital Varazdin, 42000 Varazdin, Croatia
| | - Drasko Pavlovic
- School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
- Policlinic for Internal Medicine and Dialysis B. Braun Avitum, 10000 Zagreb, Croatia
| | - Boris Kudumija
- Policlinic for Internal Medicine and Dialysis B. Braun Avitum, 10000 Zagreb, Croatia
| | - Sinisa Sefer
- Department of Nephrology and Dialysis, University Clinical Hospital Centre "Sestre Milosrdnice", 10000 Zagreb, Croatia
| | - Davor Griparic
- Policlinic for Dialysis Fresenius Sveti Duh 2, 10000 Zagreb, Croatia
| | - Dunja Rogic
- Clinical Institute for Laboratory Diagnostics, University Hospital Center Zagreb, 10000 Zagreb, Croatia
| | - Marija Bubas
- Croatian Institute of Public Health, 10000 Zagreb, Croatia
| | | | - Bojan Jelakovic
- Department of Nephrology, Hypertension, Dialysis and Transplantation, University Hospital Center Zagreb, 10000 Zagreb, Croatia
- School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
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Gómez Gutiérrez OA, McQuary GS, Gonzalez-Urquijo M, Lozano Balderas G, Fabiani MA. Readmission After COVID-19 for Late Acute Venous Thrombosis; CASE SERIES and Systematic Review of the Literature. Vasc Endovascular Surg 2023:15385744231163976. [PMID: 36922720 DOI: 10.1177/15385744231163976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
Abstract
OBJECTIVE Assess heterogeneity within patients with resolved COVID-19 to broaden the vision about post-discharge thrombotic cases and postulate possible related mechanisms in search of better anticoagulation guidelines. This study details patients' characteristics, medical history, treatment, and outcomes of readmitted patients with late acute thrombosis through a systematic review of the literature and patients from our academic center database. METHODS We extracted the records of patients readmitted for venous thrombosis complications after discharge from the database of the first 2000 patients admitted with COVID-19 in our academic center; we also performed a systematic review of the literature using the Medical Subject Headings terms "late thrombosis," "COVID-19," + "venous thrombosis" in PubMed and Google Scholar according to PRISMA guideline. RESULTS The literature review found 20 patients suitable for review matching the inclusion criteria. These patients were added to those in our database, summing up a total of 26 patients. The median age was 50 years old, 76.9% were male, and most were overweight or had grade 1 obesity (n = 11, 42.3%). None had a previous thrombotic history, but 50% had an underlying comorbidity. Thrombotic events presented on a median of 20 days (range: 4-150 days) from discharge. Pulmonary embolisms occurred in 23 patients (88.46%), deep vein thrombosis in 4, mesenteric thrombosis, and cerebral venous thrombosis in 1, respectively. CONCLUSION This study found that most patients readmitted for thrombotic events after COVID-19 discharge were middle-aged men with Venous Thrombo Embolism events.
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Affiliation(s)
| | - Gabriel Salinas McQuary
- 70656Tecnológico de Monterrey, School of Medicine and Health Sciences, Monterrey, Nuevo León, México
| | - Mauricio Gonzalez-Urquijo
- 70656Tecnológico de Monterrey, School of Medicine and Health Sciences, Monterrey, Nuevo León, México
| | - Gerardo Lozano Balderas
- 70656Tecnológico de Monterrey, School of Medicine and Health Sciences, Monterrey, Nuevo León, México
| | - Mario Alejandro Fabiani
- 70656Tecnológico de Monterrey, School of Medicine and Health Sciences, Monterrey, Nuevo León, México
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Carriazo S, Aparicio-Madre MI, Tornero-Molina F, Fernández-Lucas M, Paraiso-Cuevas V, González-Parra E, del Río-Gallegos F, Marques-Vidas M, Alcázar-Arroyo R, Martins-Muñoz J, Sánchez-Villanueva R, Gil-Casares B, Gutiérrez-Martínez E, Martínez-Rubio MP, Ortiz A. Impact of different COVID-19 waves on kidney replacement therapy epidemiology and mortality: REMER 2020. Nephrol Dial Transplant 2022; 37:2253-2263. [PMID: 35927791 PMCID: PMC9384646 DOI: 10.1093/ndt/gfac234] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Kidney replacement therapy (KRT) confers the highest risk of death from coronavirus disease 2019 (COVID-19). However, most data refer to the early pandemic waves. Whole-year analysis compared with prior secular trends are scarce. METHODS We present the 2020 REMER Madrid KRT registry, corresponding to the Spanish Region hardest hit by COVID-19. RESULTS In 2020, KRT incidence decreased 12% versus 2019, while KRT prevalence decreased by 1.75% for the first time since records began and the number of kidney transplants (KTs) decreased by 16%. Mortality on KRT was 10.2% (34% higher than the mean for 2008-2019). The 2019-2020 increase in mortality was larger for KTs (+68%) than for haemodialysis (+24%) or peritoneal dialysis (+38%). The most common cause of death was infection [n = 419 (48% of deaths)], followed by cardiovascular [n = 200 (23%)]. Deaths from infection increased by 167% year over year and accounted for 95% of excess deaths in 2020 over 2019. COVID-19 was the most common cause of death (68% of infection deaths, 33% of total deaths). The bulk of COVID-19 deaths [209/285 (73%)] occurred during the first COVID-19 wave, which roughly accounted for the increased mortality in 2020. Being a KT recipient was an independent risk factor for COVID-19 death. CONCLUSIONS COVID-19 negatively impacted the incidence and prevalence of KRT, but the increase in KRT deaths was localized to the first wave of the pandemic. The increased annual mortality argues against COVID-19 accelerating the death of patients with short life expectancy and the temporal pattern of COVID-19 mortality suggests that appropriate healthcare may improve outcomes.
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Affiliation(s)
- Sol Carriazo
- Department of Nephrology and Hypertension, IIS-Fundacion Jimenez Diaz UAM, Madrid, Spain
- RICORS2040; Madrid, Spain
| | - Manuel I Aparicio-Madre
- RЄMЭЯ. Oficina Regional de Coordinación de Trasplantes de la Comunidad de Madrid, Madrid, Spain
| | | | | | | | - Emilio González-Parra
- Department of Nephrology and Hypertension, IIS-Fundacion Jimenez Diaz UAM, Madrid, Spain
- RICORS2040; Madrid, Spain
- Departamento de Medicina, Facultad de Medicina, Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | | | - María Marques-Vidas
- Departamento de Medicina, Facultad de Medicina, Universidad Autónoma de Madrid, 28049 Madrid, Spain
- Hospital Puerta de Hierro; Madrid, Spain
| | | | | | | | | | | | | | - Alberto Ortiz
- Department of Nephrology and Hypertension, IIS-Fundacion Jimenez Diaz UAM, Madrid, Spain
- RICORS2040; Madrid, Spain
- Departamento de Medicina, Facultad de Medicina, Universidad Autónoma de Madrid, 28049 Madrid, Spain
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Esposito P, Picciotto D, Cappadona F, Russo E, Falqui V, Conti NE, Parodi A, Mallia L, Cavagnaro S, Battaglia Y, Viazzi F. The Evolving Scenario of COVID-19 in Hemodialysis Patients. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:10836. [PMID: 36078552 PMCID: PMC9518574 DOI: 10.3390/ijerph191710836] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 08/24/2022] [Accepted: 08/28/2022] [Indexed: 06/15/2023]
Abstract
Coronavirus disease 2019 (COVID-19) is a rapidly changing disease. Therefore, in this study, to evaluate the evolution of COVID-19 in hemodialysis patients, we retrospectively compared patients affected by COVID-19 during the first pandemic waves of 2020 (from March to December 2020-Group 1) with patients with COVID-19 from September 2021 to February 2022 (Group 2) after the full completion of vaccination. Group 1 was constituted of 44 patients (69.3 ± 14.6 years), and Group 2 of 55 patients (67.4 ± 15.3 years). Among Group 2, 52 patients (95%) were vaccinated. Patients of Group 2, compared with Group 1, were more often asymptomatic (38 vs. 10%, p = 0.002) and reported less frequent fever and pulmonary involvement. At diagnosis, Group 2 showed a significantly higher number of lymphocytes and lower levels of circulating IL-6 (16 ± 13.3 vs. 41 ± 39.4 pg/mL, p = 0.002). Moreover, in Group 2, inflammatory parameters significantly improved after a few days from diagnosis. Patients of Group 2 presented a lower hospitalization rate (12.7 vs. 38%, p = 0.004), illness duration (18.8 ± 7.7 vs. 29.2 ± 19.5 days, p = 0.005), and mortality rate (5.4 vs. 25%, p = 0.008). Finally, responders to the vaccination (80% of vaccinated patients) compared with nonresponders showed a reduction in infection duration and hospitalization (5 vs. 40%, p = 0.018). In conclusion, we found that COVID-19 presentation and course in hemodialysis patients have improved over time after the implementation of vaccine campaigns. However, due to the evolving nature of the disease, active surveillance is necessary.
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Affiliation(s)
- Pasquale Esposito
- Department of Internal Medicine, University of Genoa, 16132 Genoa, Italy
- Unit of Nephrology, IRCCS Ospedale Policlinico San Martino, 16132 Genova, Italy
| | - Daniela Picciotto
- Unit of Nephrology, IRCCS Ospedale Policlinico San Martino, 16132 Genova, Italy
| | - Francesca Cappadona
- Department of Internal Medicine, University of Genoa, 16132 Genoa, Italy
- Unit of Nephrology, IRCCS Ospedale Policlinico San Martino, 16132 Genova, Italy
| | - Elisa Russo
- Department of Internal Medicine, University of Genoa, 16132 Genoa, Italy
| | - Valeria Falqui
- Unit of Nephrology, IRCCS Ospedale Policlinico San Martino, 16132 Genova, Italy
| | | | - Angelica Parodi
- Unit of Nephrology, IRCCS Ospedale Policlinico San Martino, 16132 Genova, Italy
| | - Laura Mallia
- Department of Internal Medicine, University of Genoa, 16132 Genoa, Italy
| | - Sara Cavagnaro
- Department of Internal Medicine, University of Genoa, 16132 Genoa, Italy
| | - Yuri Battaglia
- Department of Medicine, University of Verona, 37129 Verona, Italy
- Nephrology and Dialysis Unit, Pederzoli Hospital, 37019 Peschiera del Garda, Italy
| | - Francesca Viazzi
- Department of Internal Medicine, University of Genoa, 16132 Genoa, Italy
- Unit of Nephrology, IRCCS Ospedale Policlinico San Martino, 16132 Genova, Italy
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Ozturk S, Turgutalp K, Arici M, Gorgulu N, Tonbul HZ, Eren N, Gencer V, Ayli MD, Pembegul İ, Dolarslan ME, Ural Z, Colak H, Ozler TE, Can O, Demir ME, Altunoren O, Huddam B, Onec K, Demirelli B, Aydin Z, Altun E, Alagoz S, Ayar Y, Eser ZE, Berktas B, Yilmaz Z, Ates EU, Yuksel E, Sahin GK, Aktar M, Cebeci E, Dursun B, Kocak SY, Yildiz A, Kazan S, Gok M, Sengul E, Tugcu M, Ozturk R, Kahvecioglu S, Kara E, Kaya B, Sahin G, Sakaci T, Sipahi S, Kurultak İ, Durak BA, Altiparmak MR, Ecder SA, Karadag S, Dincer MT, Ozer H, Bek SG, Ulu MS, Gungor O, Bakir EA, Odabas AR, Seyahi N, Yildiz A, Ates K. The Longitudinal Evolution of Post-COVID-19 Outcomes Among Hemodialysis Patients in Turkey. Kidney Int Rep 2022; 7:1393-1405. [PMID: 35350104 PMCID: PMC8949692 DOI: 10.1016/j.ekir.2022.03.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 02/27/2022] [Accepted: 03/14/2022] [Indexed: 10/25/2022] Open
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Ozkaya E, Taskent I, Somay R, Ocal G, Heybeli C. Acute ischemic events after COVID-19 infection in patients undergoing maintenance hemodialysis. Hemodial Int 2021; 26:183-190. [PMID: 34962048 DOI: 10.1111/hdi.12998] [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: 08/16/2021] [Revised: 12/11/2021] [Accepted: 12/13/2021] [Indexed: 11/27/2022]
Abstract
INTRODUCTION Patients undergoing maintenance hemodialysis have unique risk factors that render them prone to ischemia. To what extent coronavirus infectious disease 2019 (COVID-19) increases this risk is unknown. METHODS This retrospective cohort study included incident patients undergoing maintenance hemodialysis from one city in Turkey. A comparison was made between those who developed COVID-19 and those who did not for clinical variables. Independent predictors of acute ischemic complications in the total cohort were assessed using the logistic regression analysis. FINDINGS By the start of the pandemic in Turkey, 33 of 154 (21.4%) patients developed COVID-19. During the 15 months of median follow-up after the start of the pandemic, 16 (10.4%) patients developed acute ischemic complications. These included acute myocardial infarction (n = 10), acute ischemic stroke (n = 4), acute peripheral artery thrombosis (n = 1), and pulmonary thromboembolism (n = 1). Overall, acute ischemic events occurred more commonly in those who experienced COVID-19 (24.2% vs. 6.6%, p = 0.007). Ischemia-free survival was significantly shorter in the COVID-19 group (p = 0.001). In the eight patients with COVID-19, ischemic complications emerged at a median 185 (range 21-306) days after the diagnosis of COVID-19. While age, dialysis vintage, and experience of COVID-19 were found as factors significantly associated with the development of acute ischemic events in univariate analysis, the association between COVID-19 and acute ischemia remained significant in the multivariate regression model (odds ratio 3.99, 95% CI [1.3, 12.13], p = 0.016). During the pandemic, 23 (14.9%) patients died. Overall survival was significantly shorter among those who developed acute ischemic event (p < 0.001). The hazard ratio of acute ischemic event for death was 6.76 (95% CI [2.92, 15.66], p < 0.001). DISCUSSION A considerable number of patients undergoing maintenance hemodialysis developed acute ischemic complications weeks to months after the resolution of COVID-19. Hemodialysis patients appear to require specific interventions in order to prevent subsequent acute ischemic events after the resolution of COVID-19.
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Affiliation(s)
- Etem Ozkaya
- Department of Internal Medicine, Muş State Hospital, Muş, Turkey
| | - Ismail Taskent
- Department of Radiology, Muş State Hospital, Muş, Turkey
| | - Rifat Somay
- Department of Infectious Disease, Muş State Hospital, Muş, Turkey
| | - Gonca Ocal
- Department of Respiratory Medicine, Muş State Hospital, Muş, Turkey
| | - Cihan Heybeli
- Department of Nephrology, Hemodialysis Centre, Muş State Hospital, Muş, Turkey
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Shabaka A, Gruss E, Landaluce-Triska E, Gallego-Valcarce E, Cases-Corona C, Ocaña J, Tato-Ribera A, Lopez-Revuelta K, Furaz-Czerpak KR, Fernández-Juárez G. Late thrombotic complications after SARS-CoV-2 infection in hemodialysis patients. Hemodial Int 2021; 25:507-514. [PMID: 34060217 PMCID: PMC8239758 DOI: 10.1111/hdi.12935] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Accepted: 05/23/2021] [Indexed: 12/17/2022]
Abstract
Introduction There is an increased risk of thrombotic complications in patients with COVID‐19. Hemodialysis patients are already at an increased risk for thromboembolic events such as stroke and pulmonary embolism. The aim of our study was to determine the incidence of late thrombotic complications (deep vein thrombosis, pulmonary embolism, stroke, new‐onset vascular access thrombosis) in maintenance hemodialysis patients after recovery from COVID‐19. Methods We performed a retrospective cohort study of 200 prevalent hemodialysis patients in our center at the start of the pandemic. We excluded incident patients after the cohort entry date and those who required hemodialysis for acute kidney injury, and excluded patients with less than 1 month follow‐up due to kidney transplantation or death from non‐thrombotic causes. Findings One‐hundred and eighty five prevalent hemodialysis patients finally met the inclusion criteria; 37 patients (17.6%) had SARS‐CoV‐2 infection, out of which 10 (27%) died during the acute phase of disease without evidence of thrombotic events. There was an increased risk of thrombotic events in COVID‐19 survivors compared to the non‐infected cohort (18.5% vs. 1.9%, p = 0.002) after a median follow‐up of 7 months. Multivariate regression analysis showed that COVID‐19 infection increased risk for late thrombotic events adjusted for age, sex, hypertension, diabetes, antithrombotic treatment, and previous thrombotic events (Odds Ratio (OR) 26.4, 95% confidence interval 2.5–280.6, p = 0.01). Clinical and laboratory markers did not predict thrombotic events. Conclusions There is an increased risk of late thrombotic complications in hemodialysis patients after infection with COVID‐19. Further studies should evaluate the benefit of prolonged prophylactic anticoagulation in hemodialysis patients after recovery from COVID‐19.
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Affiliation(s)
- Amir Shabaka
- Nephrology Department, Hospital Universitario Fundación Alcorcón, Madrid, Spain
| | - Enrique Gruss
- Nephrology Department, Hospital Universitario Fundación Alcorcón, Madrid, Spain
| | | | | | - Clara Cases-Corona
- Nephrology Department, Hospital Universitario Fundación Alcorcón, Madrid, Spain
| | - Javier Ocaña
- Nephrology Department, Hospital Universitario Fundación Alcorcón, Madrid, Spain
| | - Ana Tato-Ribera
- Nephrology Department, Hospital Universitario Fundación Alcorcón, Madrid, Spain
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