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Fogagnolo A, Grasso S, Morelli E, Murgolo F, Di Mussi R, Vetrugno L, La Rosa R, Volta CA, Spadaro S. Impact of positive end-expiratory pressure on renal resistive index in mechanical ventilated patients. J Clin Monit Comput 2024; 38:1145-1153. [PMID: 38771490 PMCID: PMC11427533 DOI: 10.1007/s10877-024-01172-z] [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] [Received: 11/12/2023] [Accepted: 04/26/2024] [Indexed: 05/22/2024]
Abstract
PURPOSE Growing evidence shows the complex interaction between lung and kidney in critically ill patients. The renal resistive index (RRI) is a bedside measurement of the resistance of the renal blood flow and it is correlated with kidney injury. The positive end-expiratory pressure (PEEP) level could affect the resistance of renal blood flow, so we assumed that RRI could help to monitoring the changes in renal hemodynamics at different PEEP levels. Our hypothesis was that the RRI at ICU admission could predict the risk of acute kidney injury in mechanical ventilated critically ill patients. METHODS We performed a prospective study including 92 patients requiring mechanical ventilation for ≥ 48 h. A RRI ≥ 0.70, was deemed as pathological. RRI was measured within 24 h from ICU admission while applying 5,10 and 15 cmH2O of PEEP in random order (PEEP trial). RESULTS Overall, RRI increased from 0.62 ± 0.09 at PEEP 5 to 0.66 ± 0.09 at PEEP 15 (p < 0.001). The mean RRI value during the PEEP trial was able to predict the occurrence of AKI with AUROC = 0.834 [95%CI 0.742-0.927]. Patients exhibiting a RRI ≥ 0.70 were 17/92(18%) at PEEP 5, 28/92(30%) at PEEP 10, 38/92(41%) at PEEP 15, respectively. Thirty-eight patients (41%) exhibited RRI ≥ 0.70 at least once during the PEEP trial. In these patients, AKI occurred in 55% of the cases, versus 13% remaining patients, p < 0.001. CONCLUSIONS RRI seems able to predict the risk of AKI in mechanical ventilated patients; further, RRI values are influenced by the PEEP level applied. TRIAL REGISTRATION Clinical gov NCT03969914 Registered 31 May 2019.
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Affiliation(s)
- Alberto Fogagnolo
- Department of Translational medicine, Azienda Ospedaliera-Universitaria Sant' Anna, University of Ferrara, 8, Aldo Moro 44121, Ferrara, Italy.
| | - Salvatore Grasso
- Dipartimento dell'Emergenza e Trapianti d'Organo (DETO), Sezione di Anestesiologia e Rianimazione, Università degli Studi di Bari "Aldo Moro", Bari, Italy
| | - Elena Morelli
- Intensive Care Unit, Department of Surgery, Dentistry, Maternity and Infant, University and Hospital Trust of Verona, Verona, Italy
| | - Francesco Murgolo
- Dipartimento dell'Emergenza e Trapianti d'Organo (DETO), Sezione di Anestesiologia e Rianimazione, Università degli Studi di Bari "Aldo Moro", Bari, Italy
| | - Rosa Di Mussi
- Dipartimento dell'Emergenza e Trapianti d'Organo (DETO), Sezione di Anestesiologia e Rianimazione, Università degli Studi di Bari "Aldo Moro", Bari, Italy
| | - Luigi Vetrugno
- Department of Medical, Oral and Biotechnological Sciences, University of Chieti-Pescara, Chieti, Italy
| | - Riccardo La Rosa
- Department of Translational medicine, Azienda Ospedaliera-Universitaria Sant' Anna, University of Ferrara, 8, Aldo Moro 44121, Ferrara, Italy
| | - Carlo Alberto Volta
- Department of Translational medicine, Azienda Ospedaliera-Universitaria Sant' Anna, University of Ferrara, 8, Aldo Moro 44121, Ferrara, Italy
| | - Savino Spadaro
- Department of Translational medicine, Azienda Ospedaliera-Universitaria Sant' Anna, University of Ferrara, 8, Aldo Moro 44121, Ferrara, Italy
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Nova A, McNicholas B, Magliocca A, Laffey M, Zambelli V, Mariani I, Atif M, Giacomini M, Vitale G, Rona R, Foti G, Laffey J, Rezoagli E. Perfusion deficits may underlie lung and kidney injury in severe COVID-19 disease: insights from a multicenter international cohort study. JOURNAL OF ANESTHESIA, ANALGESIA AND CRITICAL CARE 2024; 4:40. [PMID: 38971842 PMCID: PMC11227201 DOI: 10.1186/s44158-024-00175-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2024] [Accepted: 06/25/2024] [Indexed: 07/08/2024]
Abstract
BACKGROUND Lung perfusion defects, mainly due to endothelial and coagulation activation, are a key contributor to COVID-19 respiratory failure. COVID-19 patients may also develop acute kidney injury (AKI) because of renal perfusion deficit. We aimed to explore AKI-associated factors and the independent prediction of standardized minute ventilation (MV)-a proxy of alveolar dead space-on AKI onset and persistence in COVID-19 mechanically ventilated patients. METHODS This is a multicenter observational cohort study. We enrolled 157 COVID-19 patients requiring mechanical ventilation and intensive care unit (ICU) admission. We collected clinical information, ventilation, and laboratory data. AKI was defined by the 2012 KDIGO guidelines and classified as transient or persistent according to serum creatinine criteria persistence within 48 h. Ordered univariate and multivariate logistic regression analyses were employed to identify variables associated with AKI onset and persistence. RESULTS Among 157 COVID-19 patients on mechanical ventilation, 47% developed AKI: 10% had transient AKI, and 37% had persistent AKI. The degree of hypoxia was not associated with differences in AKI severity. Across increasing severity of AKI groups, despite similar levels of paCO2, we observed an increased MV and standardized MV, a robust proxy of alveolar dead space. After adjusting for other clinical and laboratory covariates, standardized MV remained an independent predictor of AKI development and persistence. D-dimer levels were higher in patients with persistent AKI. CONCLUSIONS In critically ill COVID-19 patients with respiratory failure, increased wasted ventilation is independently associated with a greater risk of persistent AKI. These hypothesis-generating findings may suggest that perfusion derangements may link the pathophysiology of both wasted ventilation and acute kidney injury in our population.
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Affiliation(s)
- Alice Nova
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Bairbre McNicholas
- School of Medicine, National University of Ireland Galway, Galway, Ireland
- Department of Anesthesia and Intensive Care Medicine, Galway University Hospitals, Galway, Ireland
| | - Aurora Magliocca
- Department of Anesthesia and Intensive Care Medicine, Gruppo Ospedaliero San Donato, Policlinico San Marco, Zingonia, Bergamo, Italy
- Department of Pathophysiology and Transplants, University of Milan, Milan, Italy
| | - Matthew Laffey
- School of Medicine, Trinity College Dublin, Dublin 2, Ireland
| | - Vanessa Zambelli
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Ilaria Mariani
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Minahel Atif
- School of Medicine, National University of Ireland Galway, Galway, Ireland
- Department of Anesthesia and Intensive Care Medicine, Galway University Hospitals, Galway, Ireland
| | - Matteo Giacomini
- Department of Anesthesia and Intensive Care Medicine, Gruppo Ospedaliero San Donato, Policlinico San Marco, Zingonia, Bergamo, Italy
| | - Giovanni Vitale
- Department of Anesthesia and Intensive Care Medicine, Gruppo Ospedaliero San Donato, Policlinico San Marco, Zingonia, Bergamo, Italy
| | - Roberto Rona
- Department of Emergency and Intensive Care, Fondazione IRCCS San Gerardo dei Tintori Hospital, Monza, Italy
| | - Giuseppe Foti
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
- Department of Emergency and Intensive Care, Fondazione IRCCS San Gerardo dei Tintori Hospital, Monza, Italy
| | - John Laffey
- School of Medicine, National University of Ireland Galway, Galway, Ireland
- Department of Anesthesia and Intensive Care Medicine, Galway University Hospitals, Galway, Ireland
| | - Emanuele Rezoagli
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy.
- Department of Emergency and Intensive Care, Fondazione IRCCS San Gerardo dei Tintori Hospital, Monza, Italy.
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3
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Charkviani M, Truong HH, Nikravangolsefid N, Ninan J, Prokop LJ, Reddy S, Kashani KB, Domecq Garces JP. Temporal Relationship and Clinical Outcomes of Acute Kidney Injury Following Acute Respiratory Distress Syndrome: A Systematic Review and Meta-Analysis. Crit Care Explor 2024; 6:e1054. [PMID: 38352941 PMCID: PMC10863947 DOI: 10.1097/cce.0000000000001054] [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] [Indexed: 02/16/2024] Open
Abstract
OBJECTIVES Conduct a systematic review and meta-analysis to assess prevalence and timing of acute kidney injury (AKI) development after acute respiratory distress syndrome (ARDS) and its association with mortality. DATA SOURCES Ovid MEDLINE(R), Ovid Embase, Ovid Cochrane Central Register of Controlled Trials, Ovid Cochrane Database of Systematic Reviews, Ovid PsycINFO database, Scopus, and Web of Science thought April 2023. STUDY SELECTION Titles and abstracts were screened independently and in duplicate to identify eligible studies. Randomized controlled trials and prospective or retrospective cohort studies reporting the development of AKI following ARDS were included. DATA EXTRACTION Two reviewers independently extracted data using a pre piloted abstraction form. We used Review Manager 5.4 software (Cochrane Library, Oxford, United Kingdom) and Open Meta software (Brown University, Providence, RI) for statistical analyses. DATA SYNTHESIS Among the 3646 studies identified and screened, 17 studies comprising 9359 ARDS patients met the eligibility criteria and were included in the meta-analysis. AKI developed in 3287 patients (40%) after the diagnosis of ARDS. The incidence of AKI at least 48 hours after ARDS diagnosis was 20% (95% CI, 0.18-0.21%). The pooled risk ratio (RR) for the hospital (or 30-d) mortality among ARDS patients who developed AKI was 1.93 (95% CI, 1.71-2.18). AKI development after ARDS was identified as an independent risk factor for mortality in ARDS patients, with a pooled odds ratio from multivariable analysis of 3.69 (95% CI, 2.24-6.09). Furthermore, two studies comparing mortality between patients with late vs. early AKI initiation after ARDS revealed higher mortality in late AKI patients with RR of 1.46 (95% CI, 1.19-1.8). However, the certainty of evidence for most outcomes was low to very low. CONCLUSIONS While our findings highlight a significant association between ARDS and subsequent development of AKI, the low to very low certainty of evidence underscores the need for cautious interpretation. This systematic review identified a significant knowledge gap, necessitating further research to establish a more definitive understanding of this relationship and its clinical implications.
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Affiliation(s)
| | - Hong Hieu Truong
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN
| | | | - Jacob Ninan
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN
| | | | - Swetha Reddy
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN
| | - Kianoush B Kashani
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN
| | - Juan Pablo Domecq Garces
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN
- Division of Critical Care Medicine, Mayo Clinic Health System, Mankato, MN
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Bianchi Bosisio NSM, Romero-González G, De Silvestri A, Husain-Syad F, Ferrari F. Doppler-based evaluation of intrarenal venous flow as a new tool to predict acute kidney injury: A systematic review and meta-analysis. Nefrologia 2023; 43 Suppl 2:57-66. [PMID: 38245439 DOI: 10.1016/j.nefroe.2023.05.010] [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] [Received: 08/15/2022] [Accepted: 03/14/2023] [Indexed: 01/22/2024] Open
Abstract
Congestion is a common complication in the critical care setting, these patients are at increased risk of developing acute kidney injury (AKI). Congestive nephropathy (CN) has recently been described as a mechanism of worsening renal function, and evaluation of renal venous flow by pulsed Doppler (PD) is a useful tool to assess the presence of renal vein congestion. We comprehensively explore the ability of the PD in the evaluation of the intrarenal venous flow (IRVF) to predict the development of AKI in critically ill patients. We searched Pubmed-MEDLINE, Scopus, Embase, and Cochrane Library of Systematic Reviews (to 31th December 2021). We evaluated the association between Doppler-based Intrarenal venous flow demodulation and AKI. CN was defined as the presence of a pulsatile pattern (biphasic or monophasic) in the PD. A total of 4 articles (660 patients) were included in our systematic review, three of these in the metanalysis (413 patients): one study was excluded because its data were inadequate for pooling. Two studies originated in Europe and the other two in the United States. AKI occurrence ranged between 34 and 68%. Patients who developed AKI had a significant difference in PD pattern (continuous vs. pulsatile) in the IRVF (RR=0.46; 95% CI 0.28-0.76). Nevertheless, a large heterogeneity was observed among the studies (I2=68.7%; p=0.04). Albeit preliminary, these findings suggest that the presence of a pulsatile pattern in the PD of the IRVF may be involved in the development of AKI in the critically ill patient. The effect of alterations in the IRVF and renal function warrant further investigation.
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Affiliation(s)
| | - Gregorio Romero-González
- Department of Nephrology, Hospital Germans Trias i Pujol, Badalona, Spain; International Renal Research Institute of Vicenza (IRRIV), Vicenza, Italy
| | - Annalisa De Silvestri
- Clinical Epidemiology and Biometrics Service, Scientific Direction, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Faeq Husain-Syad
- Department of Internal Medicine II, University Hospital Giessen and Marburg, Justus-Liebig-University Giessen, Giessen, Germany; International Renal Research Institute of Vicenza (IRRIV), Vicenza, Italy
| | - Fiorenza Ferrari
- Anaesthesiology and Intensive Care Unit 1, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy; International Renal Research Institute of Vicenza (IRRIV), Vicenza, Italy.
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5
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Mayerhöfer T, Perschinka F, Klein SJ, Peer A, Lehner GF, Bellmann R, Gasteiger L, Mittermayr M, Breitkopf R, Eschertzhuber S, Mathis S, Fiala A, Fries D, Ströhle M, Foidl E, Hasibeder W, Helbok R, Kirchmair L, Stögermüller B, Krismer C, Heiner T, Ladner E, Thomé C, Preuß-Hernandez C, Mayr A, Potocnik M, Reitter B, Brunner J, Zagitzer-Hofer S, Ribitsch A, Joannidis M. Incidence, risk factors and outcome of acute kidney injury in critically ill COVID-19 patients in Tyrol, Austria: a prospective multicenter registry study. J Nephrol 2023; 36:2531-2540. [PMID: 37837501 PMCID: PMC10703973 DOI: 10.1007/s40620-023-01760-3] [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: 03/26/2023] [Accepted: 08/06/2023] [Indexed: 10/16/2023]
Abstract
INTRODUCTION Acute kidney injury is a frequent complication in critically ill patients with and without COVID-19. The aim of this study was to evaluate the incidence of, and risk factors for, acute kidney injury and its effect on clinical outcomes of critically ill COVID-19 patients in Tyrol, Austria. METHODS This multicenter prospective registry study included adult patients with a SARS-CoV-2 infection confirmed by polymerase chain reaction, who were treated in one of the 12 dedicated intensive care units during the COVID-19 pandemic from February 2020 until May 2022. RESULTS In total, 1042 patients were included during the study period. The median age of the overall cohort was 66 years. Of the included patients, 267 (26%) developed acute kidney injury during their intensive care unit stay. In total, 12.3% (n = 126) required renal replacement therapy with a median duration of 9 (IQR 3-18) days. In patients with acute kidney injury the rate of invasive mechanical ventilation was significantly higher with 85% (n = 227) compared to 41% (n = 312) in the no acute kidney injury group (p < 0.001). The most important risk factors for acute kidney injury were invasive mechanical ventilation (OR = 4.19, p < 0.001), vasopressor use (OR = 3.17, p < 0.001) and chronic kidney disease (OR = 2.30, p < 0.001) in a multivariable logistic regression analysis. Hospital and intensive care unit mortality were significantly higher in patients with acute kidney injury compared to patients without acute kidney injury (Hospital mortality: 52.1% vs. 17.2%, p < 0.001, ICU-mortality: 47.2% vs. 14.7%, p < 0.001). CONCLUSION As in non-COVID-19 patients, acute kidney injury is clearly associated with increased mortality in critically ill COVID-19 patients. Among known risk factors, invasive mechanical ventilation has been identified as an independent and strong predictor of acute kidney injury.
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Affiliation(s)
- Timo Mayerhöfer
- Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Fabian Perschinka
- Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Sebastian J Klein
- Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
- Internal Medicine II, Gastroenterology, Hepatology and Rheumatology, Karl Landsteiner University of Health Sciences, University Hospital St. Pölten, St. Pölten, Austria
| | - Andreas Peer
- Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Georg F Lehner
- Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Romuald Bellmann
- Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Lukas Gasteiger
- Department of Anesthesia and Critical Care Medicine, Medical University Innsbruck, Innsbruck, Austria
| | - Markus Mittermayr
- Department of Anesthesia and Critical Care Medicine, Medical University Innsbruck, Innsbruck, Austria
| | - Robert Breitkopf
- Department of Anesthesia and Critical Care Medicine, Medical University Innsbruck, Innsbruck, Austria
| | | | - Simon Mathis
- Department of General and Surgical Intensive Care Medicine, Medical University Innsbruck, Innsbruck, Austria
| | - Anna Fiala
- Department of General and Surgical Intensive Care Medicine, Medical University Innsbruck, Innsbruck, Austria
| | - Dietmar Fries
- Department of General and Surgical Intensive Care Medicine, Medical University Innsbruck, Innsbruck, Austria
| | - Mathias Ströhle
- Department of Anesthesia and Intensive Care Medicine, Hospital Kufstein, Kufstein, Austria
| | - Eva Foidl
- Department of Anesthesia and Intensive Care Medicine, Hospital Kufstein, Kufstein, Austria
| | - Walter Hasibeder
- Department of Anesthesiology and Critical Care Medicine, Hospital St. Vinzenz Zams, Zams, Austria
| | - Raimund Helbok
- Department of Neurology, Medical University Innsbruck, Innsbruck, Austria
- Department of Neurology, Johannes Kepler University Linz, Linz, Austria
| | - Lukas Kirchmair
- Department of Anesthesia and Critical Care Medicine, Hospital Schwaz, Schwaz, Austria
| | - Birgit Stögermüller
- Department of Anesthesia and Critical Care Medicine, Hospital Schwaz, Schwaz, Austria
| | - Christoph Krismer
- Department of Internal Medicine, Hospital St. Vinzenz Zams, Zams, Austria
| | - Tatjana Heiner
- Department of Anesthesia and Intensive Care Medicine, Hospital Reutte, Reutte, Austria
| | - Eugen Ladner
- Department of Anesthesia and Intensive Care Medicine, Hospital Reutte, Reutte, Austria
| | - Claudius Thomé
- Department of Neurosurgery, Medical University Innsbruck, Innsbruck, Austria
| | | | - Andreas Mayr
- Department of Anesthesia and Intensive Care Medicine, Hospital Lienz, Lienz, Austria
| | - Miriam Potocnik
- Department of Anesthesia and Intensive Care Medicine, Hospital St. Johann in Tyrol, St. Johann in Tyrol, Austria
| | - Bruno Reitter
- Department of Anesthesia and Intensive Care Medicine, Hospital St. Johann in Tyrol, St. Johann in Tyrol, Austria
| | - Jürgen Brunner
- Department of Pediatrics, Medical University Innsbruck, Innsbruck, Austria
- Faculty of Medicine and Dentistry, Danube Private University, Krems, Austria
| | | | | | - Michael Joannidis
- Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria.
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6
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Lin L, Deng J, Tan W, Li J, Wu Z, Zheng L, Yang J. Pathogenesis and histological changes of nephropathy associated with COVID-19. J Med Virol 2023; 95:e28311. [PMID: 36377540 DOI: 10.1002/jmv.28311] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 11/01/2022] [Accepted: 11/10/2022] [Indexed: 11/16/2022]
Abstract
Coronavirus disease 2019 (COVID-19) can cause damage to multiple organ, not only to the lungs, but also to the kidneys. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) can cause acute and chronic kidney disease through direct viral infection, indirect injury, and vaccination-related injury. Like lung injury, kidney injury is also an important aspect affecting the severity and prognosis of SARS-CoV-2. This article summarizes the pathogenesis, pathological manifestations, and clinical features of SARS-CoV-2 direct or indirect renal injury. Including direct injury, indirect injury, special comorbidities (receiving kidney transplantation and chronic kidney disease), and vaccine-related renal injury, and exploring the possible therapeutic effect of anti-SARS-CoV-2 therapy on renal injury. The purpose is to provide reference for understanding COVID-19-related renal injury, guiding clinical and pathological diagnosis and treatment, and evaluating prognosis.
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Affiliation(s)
- Lirong Lin
- Department of Nephrology, The Third Affiliated Hospital of Chongqing Medical University (Gener Hospital), Chongqing, China
| | - Junhui Deng
- Department of Nephrology, The Third Affiliated Hospital of Chongqing Medical University (Gener Hospital), Chongqing, China
| | - Wei Tan
- Department of Nephrology, The Third Affiliated Hospital of Chongqing Medical University (Gener Hospital), Chongqing, China
| | - Jie Li
- Department of Nephrology, Yongchuan People's Hospital of Chongqing, Chongqing, China
| | - Zhifeng Wu
- Department of Nephrology, The Third Affiliated Hospital of Chongqing Medical University (Gener Hospital), Chongqing, China
| | - Luquan Zheng
- Department of Nephrology, The Third Affiliated Hospital of Chongqing Medical University (Gener Hospital), Chongqing, China
| | - Jurong Yang
- Department of Nephrology, The Third Affiliated Hospital of Chongqing Medical University (Gener Hospital), Chongqing, China
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7
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Reddy MP, Subramaniam A, Chua C, Ling RR, Anstey C, Ramanathan K, Slutsky AS, Shekar K. Respiratory system mechanics, gas exchange, and outcomes in mechanically ventilated patients with COVID-19-related acute respiratory distress syndrome: a systematic review and meta-analysis. THE LANCET. RESPIRATORY MEDICINE 2022; 10:1178-1188. [PMID: 36335956 PMCID: PMC9708089 DOI: 10.1016/s2213-2600(22)00393-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Revised: 07/28/2022] [Accepted: 09/14/2022] [Indexed: 11/06/2022]
Abstract
The association of respiratory mechanics, particularly respiratory system static compliance (CRS), with severity of hypoxaemia in patients with COVID-19-related acute respiratory distress syndrome (ARDS) has been widely debated, with some studies reporting distinct ARDS phenotypes based on CRS. Ascertaining whether such phenotypes exist is important, because they might indicate the need for ventilation strategies that differ from those used in patients with ARDS due to other causes. In a systematic review and meta-analysis of studies published between Dec 1, 2019, and March 14, 2022, we evaluated respiratory system mechanics, ventilator parameters, gas exchange parameters, and clinical outcomes in patients with COVID-19-related ARDS. Among 11 356 patients in 37 studies, mean reported CRS, measured close to the time of endotracheal intubation, was 35·8 mL/cm H2O (95% CI 33·9-37·8; I2=96·9%, τ2=32·6). Pooled mean CRS was normally distributed. Increasing ARDS severity (assessed by PaO2/FiO2 ratio as mild, moderate, or severe) was associated with decreasing CRS. We found no evidence for distinct CRS-based clinical phenotypes in patients with COVID-19-related ARDS, and we therefore conclude that no change in conventional lung-protective ventilation strategies is warranted. Future studies should explore the personalisation of mechanical ventilation strategies according to factors including respiratory system mechanics and haemodynamic status in patients with ARDS.
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Affiliation(s)
- Mallikarjuna Ponnapa Reddy
- Department of Intensive Care Medicine, Calvary Hospital, Canberra, ACT, Australia,Department of Intensive Care Medicine, Peninsula Health, Frankston, VIC, Australia,Correspondence to: Dr Mallikarjuna Ponnapa Reddy, Department of Intensive Care Medicine, Calvary Hospital, Canberra ACT 2617, Australia
| | - Ashwin Subramaniam
- Department of Intensive Care Medicine, Peninsula Health, Frankston, VIC, Australia,Australian and New Zealand Intensive Care Research Centre, Department of Epidemiology and Preventive Medicine, Monash University, Clayton, VIC, Australia,Faculty of Medicine, Nursing and Health Sciences, Monash University, Clayton, VIC, Australia,Peninsula Clinical School, Monash University, Clayton, VIC, Australia
| | - Clara Chua
- Department of Intensive Care Medicine, Peninsula Health, Frankston, VIC, Australia,Faculty of Medicine, Nursing and Health Sciences, Monash University, Clayton, VIC, Australia
| | - Ryan Ruiyang Ling
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Christopher Anstey
- Prince Charles Hospital Northside Clinical Unit, Faculty of Medicine University of Queensland, Brisbane, QLD, Australia,School of Medicine and Dentistry, Griffith University, Gold Coast, QLD, Australia
| | - Kollengode Ramanathan
- Department of Surgery, National University of Singapore, Singapore,Cardiothoracic Intensive Care Unit, National University Heart Centre, National University Hospital, Singapore
| | - Arthur S Slutsky
- Keenan Research Centre for Biomedical Science, Li Ka Shing Knowledge Institute, St Michael's Hospital, Unity Health Toronto, Toronto, ON, Canada,Department of Medicine and Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada
| | - Kiran Shekar
- Prince Charles Hospital Northside Clinical Unit, Faculty of Medicine University of Queensland, Brisbane, QLD, Australia,Department of Intensive Care Medicine, Bond University, Gold Coast, QLD, Australia,Adult Intensive Care Services and Critical Care Research Group, the Prince Charles Hospital, Brisbane, QLD, Australia,Department of Intensive Care Medicine, Queensland University of Technology, Brisbane, QLD, Australia
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8
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Abstract
The coronavirus disease-2019 (COVID-19) outbreak has been declared a global pandemic. COVID-19-associated acute kidney injury (COVID-19 AKI) is related to a high mortality rate and serves as an independent risk factor for hospital death in patients with COVID-19. Early diagnosis would allow for earlier intervention and potentially improve patient outcomes. The goal of early identification of AKI has been the primary impetus for AKI biomarker research, and several kidney injury biomarkers have been demonstrated to be beneficial in predicting COVID-19 AKI as well as disease progression in COVID-19. Furthermore, such data provide valuable insights into the molecular mechanisms underlying this complex and unique disease and serve as a molecular phenotyping tool that could be utilized to direct clinical intervention. This review focuses on a number of kidney injury biomarkers, such as CysC, NAGAL, KIM-1, L-FABP, IL-18, suPAR, and [TIMP-2] • [IGFBP7], which have been widely studied in common clinical settings, such as sepsis, cardiac surgery, and contrast-induced AKI. We explore the role of kidney injury biomarkers in COVID-19 and discuss what remains to be learned.
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Affiliation(s)
- Lianjiu Su
- Department of Critical Care Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China.,Department of Cardiology, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
| | - Jiahao Zhang
- Department of Critical Care Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Zhiyong Peng
- Department of Critical Care Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China.,Department of Critical Care Medicine, Center of Critical Care Nephrology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
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9
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Bezerra GF, Meneses GC, Albuquerque PLMM, Lopes NC, Santos RSS, da Silva JC, Mota SMB, Guimarães RR, Guimarães FR, Guimarães ÁR, Adamian CMC, de Lima PR, Bandeira ICJ, Dantas MMP, Junior GBS, Oriá RB, Daher EF, Martins AMC. Urinary tubular biomarkers as predictors of death in critically ill patients with COVID-19. Biomark Med 2022; 16:681-692. [PMID: 35531623 PMCID: PMC9083946 DOI: 10.2217/bmm-2021-0631] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 04/20/2022] [Indexed: 12/11/2022] Open
Abstract
Aim: To evaluate the prediction capacity of urinary biomarkers for death in critically ill patients with COVID-19. Methods: This is a prospective study with critically ill patients due to COVID-19 infection. The urinary biomarkers NGAL, KIM-1, MCP-1 and nephrin were quantified on ICU admission. Results: There was 40% of death. Urinary nephrin and MCP-1 had no association with death. Tubular biomarkers (proteinuria, NGAL and KIM-1) were predictors of death and cut-off values of them for death were useful in stratify patients with worse prognosis. In a multivariate cox regression analysis, only NGAL remains associated with a two-mount survival chance. Conclusion: Kidney tubular biomarkers, mostly urinary NGAL, had useful capacity to predict death in critically ill COVID-19 patients.
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Affiliation(s)
- Gabriela F Bezerra
- Post-Graduate Program in Pharmacology, School of Medicine, Universidade Federal do Ceará. Fortaleza, Ceará, 60430-275, Brazil
| | - Gdayllon C Meneses
- Medical Sciences Post-Graduate Program, Department of Internal Medicine, School of Medicine, Universidade Federal do Ceará. Fortaleza, Ceará, 60430-140, Brazil
| | - Polianna LMM Albuquerque
- Public Health Post-Graduate Program, School of Medicine, Health Sciences Center, Universidade de Fortaleza. Fortaleza, Ceará, 60811-905, Brazil
- School of Medicine, Health Sciences Center, Universidade de Fortaleza. Fortaleza, Ceará, 60811-905, Brazil
- Instituto José Frota (IJF) Hospital, Fortaleza, Ceará, 60025-061, Brazil
| | - Nicole C Lopes
- Post-Graduate Program in Pharmacology, School of Medicine, Universidade Federal do Ceará. Fortaleza, Ceará, 60430-275, Brazil
| | - Ranieri SS Santos
- Post-Graduate Program in Pharmacology, School of Medicine, Universidade Federal do Ceará. Fortaleza, Ceará, 60430-275, Brazil
| | - Juliana C da Silva
- Instituto José Frota (IJF) Hospital, Fortaleza, Ceará, 60025-061, Brazil
| | - Sandra MB Mota
- Medical Sciences Post-Graduate Program, Department of Internal Medicine, School of Medicine, Universidade Federal do Ceará. Fortaleza, Ceará, 60430-140, Brazil
- Instituto José Frota (IJF) Hospital, Fortaleza, Ceará, 60025-061, Brazil
| | - Rodrigo R Guimarães
- Public Health Post-Graduate Program, School of Medicine, Health Sciences Center, Universidade de Fortaleza. Fortaleza, Ceará, 60811-905, Brazil
| | | | - Álvaro R Guimarães
- School of Medicine, Hospital Universitário Walter Cantídio, Universidade Federal do Ceará. Fortaleza, Ceará, 60430-372, Brazil
| | - Caio MC Adamian
- School of Medicine, Hospital Universitário Walter Cantídio, Universidade Federal do Ceará. Fortaleza, Ceará, 60430-372, Brazil
| | - Paula R de Lima
- Medical Sciences Post-Graduate Program, Department of Internal Medicine, School of Medicine, Universidade Federal do Ceará. Fortaleza, Ceará, 60430-140, Brazil
| | - Izabel CJ Bandeira
- Medical Sciences Post-Graduate Program, Department of Internal Medicine, School of Medicine, Universidade Federal do Ceará. Fortaleza, Ceará, 60430-140, Brazil
| | - Márcia MP Dantas
- Medical Sciences Post-Graduate Program, Department of Internal Medicine, School of Medicine, Universidade Federal do Ceará. Fortaleza, Ceará, 60430-140, Brazil
- Instituto José Frota (IJF) Hospital, Fortaleza, Ceará, 60025-061, Brazil
| | - Geraldo BS Junior
- Public Health Post-Graduate Program, School of Medicine, Health Sciences Center, Universidade de Fortaleza. Fortaleza, Ceará, 60811-905, Brazil
- School of Medicine, Health Sciences Center, Universidade de Fortaleza. Fortaleza, Ceará, 60811-905, Brazil
| | - Reinaldo B Oriá
- Medical Sciences Post-Graduate Program, Department of Internal Medicine, School of Medicine, Universidade Federal do Ceará. Fortaleza, Ceará, 60430-140, Brazil
- Laboratory of Tissue Healing, Ontogeny, & Nutrition, Department of Morphology, Institute of Biomedicine, Faculty of Medicine, Universidade Federal do Ceará, Fortaleza, Ceará, 60430-270, Brazil
| | - Elizabeth F Daher
- Medical Sciences Post-Graduate Program, Department of Internal Medicine, School of Medicine, Universidade Federal do Ceará. Fortaleza, Ceará, 60430-140, Brazil
| | - Alice MC Martins
- Post-Graduate Program in Pharmacology, School of Medicine, Universidade Federal do Ceará. Fortaleza, Ceará, 60430-275, Brazil
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10
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[Acute kidney injury and COVID-19: lung-kidney crosstalk during severe inflammation]. Med Klin Intensivmed Notfmed 2022; 117:342-348. [PMID: 35476144 PMCID: PMC9044389 DOI: 10.1007/s00063-022-00919-3] [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: 03/30/2022] [Accepted: 03/31/2022] [Indexed: 12/15/2022]
Abstract
Eine mit der Coronaviruserkrankung 2019 (COVID-19) assoziierte Nierenschädigung ist vor allem bei Intensivpatient:innen ein häufiges Phänomen. Das Virus selbst dürfte im Sinne eines direkten Befalls der Niere nur in geringem Ausmaß eine Rolle spielen, die mit einer schweren COVID-19-Erkrankungen assoziierte pathologische Entzündungsreaktion dagegen sehr wohl. Einen wesentlichen Einfluss haben die Folgen der invasiven Beatmung und das durch COVID-19 verursachte Acute Respiratory Distress Syndrome (ARDS). Hohe Beatmungsdrücke wirken sich negativ auf die Nierenperfusion aus und können so zur Entstehung einer AKI beitragen. Die durch das ARDS verursachte Entzündungsreaktion sowie die für COVID-19 typische endotheliale Dysfunktion in Kombination mit einer Hyperkoagulabilität sind weitere Faktoren, die die Nierenfunktion negativ beeinflussen können.
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11
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Teixeira JP, Barone S, Zahedi K, Soleimani M. Kidney Injury in COVID-19: Epidemiology, Molecular Mechanisms and Potential Therapeutic Targets. Int J Mol Sci 2022; 23:2242. [PMID: 35216358 PMCID: PMC8877127 DOI: 10.3390/ijms23042242] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/07/2022] [Accepted: 02/08/2022] [Indexed: 01/08/2023] Open
Abstract
As of December 2021, SARS-CoV-2 had caused over 250 million infections and 5 million deaths worldwide. Furthermore, despite the development of highly effective vaccines, novel variants of SARS-CoV-2 continue to sustain the pandemic, and the search for effective therapies for COVID-19 remains as urgent as ever. Though the primary manifestation of COVID-19 is pneumonia, the disease can affect multiple organs, including the kidneys, with acute kidney injury (AKI) being among the most common extrapulmonary manifestations of severe COVID-19. In this article, we start by reflecting on the epidemiology of kidney disease in COVID-19, which overwhelmingly demonstrates that AKI is common in COVID-19 and is strongly associated with poor outcomes. We also present emerging data showing that COVID-19 may result in long-term renal impairment and delve into the ongoing debate about whether AKI in COVID-19 is mediated by direct viral injury. Next, we focus on the molecular pathogenesis of SARS-CoV-2 infection by both reviewing previously published data and presenting some novel data on the mechanisms of cellular viral entry. Finally, we relate these molecular mechanisms to a series of therapies currently under investigation and propose additional novel therapeutic targets for COVID-19.
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Affiliation(s)
- J. Pedro Teixeira
- Department of Internal Medicine, Division of Nephrology, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, USA; (S.B.); (K.Z.)
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, USA
| | - Sharon Barone
- Department of Internal Medicine, Division of Nephrology, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, USA; (S.B.); (K.Z.)
- Research/Medicine Services, New Mexico Veterans Healthcare Medical Center, Albuquerque, NM 87108, USA
| | - Kamyar Zahedi
- Department of Internal Medicine, Division of Nephrology, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, USA; (S.B.); (K.Z.)
- Research/Medicine Services, New Mexico Veterans Healthcare Medical Center, Albuquerque, NM 87108, USA
| | - Manoocher Soleimani
- Department of Internal Medicine, Division of Nephrology, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, USA; (S.B.); (K.Z.)
- Research/Medicine Services, New Mexico Veterans Healthcare Medical Center, Albuquerque, NM 87108, USA
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12
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Relationship between Driving Pressure and Mortality in Ventilated Patients with Heart Failure: A Cohort Study. Can Respir J 2021; 2021:5574963. [PMID: 34880958 PMCID: PMC8648448 DOI: 10.1155/2021/5574963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 10/09/2021] [Accepted: 11/17/2021] [Indexed: 11/17/2022] Open
Abstract
Background Heart failure (HF) is a leading cause of mortality and morbidity worldwide, with an increasing incidence. Invasive ventilation is considered to be essential for patients with HF. Previous studies have shown that driving pressure is associated with mortality in acute respiratory distress syndrome (ARDS). However, the relationship between driving pressure and mortality has not yet been examined in ventilated patients with HF. We assessed the association of driving pressure and mortality in patients with HF. Methods We conducted a retrospective cohort study of invasive ventilated adult patients with HF from the Medical Information Mart for Intensive Care-III database. We used multivariable logistic regression models, a generalized additive model, and a two-piecewise linear regression model to show the effect of the average driving pressure within 24 h of intensive care unit admission on in-hospital mortality. Results Six hundred and thirty-two invasive ventilated patients with HF were enrolled. Driving pressure was independently associated with in-hospital mortality (odds ratio [OR], 1.12; 95% confidence interval [CI], 1.06–1.18; P < 0.001) after adjusted potential confounders. A nonlinear relationship was found between driving pressure and in-hospital mortality, which had a threshold around 14.27 cmH2O. The effect sizes and CIs below and above the threshold were 0.89 (0.75 to 1.05) and 1.17 (1.07 to 1.30), respectively. Conclusions There was a nonlinear relationship between driving pressure and mortality in patients with HF who were ventilated for more than 48 h, and this relationship was associated with increased in-hospital mortality when the driving pressure was more than 14.27 cmH2O.
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13
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Legrand M, Bell S, Forni L, Joannidis M, Koyner JL, Liu K, Cantaluppi V. Pathophysiology of COVID-19-associated acute kidney injury. Nat Rev Nephrol 2021; 17:751-764. [PMID: 34226718 PMCID: PMC8256398 DOI: 10.1038/s41581-021-00452-0] [Citation(s) in RCA: 249] [Impact Index Per Article: 83.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/08/2021] [Indexed: 02/06/2023]
Abstract
Although respiratory failure and hypoxaemia are the main manifestations of COVID-19, kidney involvement is also common. Available evidence supports a number of potential pathophysiological pathways through which acute kidney injury (AKI) can develop in the context of SARS-CoV-2 infection. Histopathological findings have highlighted both similarities and differences between AKI in patients with COVID-19 and in those with AKI in non-COVID-related sepsis. Acute tubular injury is common, although it is often mild, despite markedly reduced kidney function. Systemic haemodynamic instability very likely contributes to tubular injury. Despite descriptions of COVID-19 as a cytokine storm syndrome, levels of circulating cytokines are often lower in patients with COVID-19 than in patients with acute respiratory distress syndrome with causes other than COVID-19. Tissue inflammation and local immune cell infiltration have been repeatedly observed and might have a critical role in kidney injury, as might endothelial injury and microvascular thrombi. Findings of high viral load in patients who have died with AKI suggest a contribution of viral invasion in the kidneys, although the issue of renal tropism remains controversial. An impaired type I interferon response has also been reported in patients with severe COVID-19. In light of these observations, the potential pathophysiological mechanisms of COVID-19-associated AKI may provide insights into therapeutic strategies.
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Affiliation(s)
- Matthieu Legrand
- Department of Anesthesia and Perioperative Care, Division of Critical Care Medicine, University of California, San Francisco, CA, USA.
- Investigation Network Initiative-Cardiovascular and Renal Clinical Trialists network, Nancy, France.
| | - Samira Bell
- Division of Population Health and Genomics, School of Medicine, University of Dundee, Dundee, UK
| | - Lui Forni
- Intensive Care Unit, Royal Surrey Hospital NHS Foundation Trust, Surrey, UK
- Department of Clinical and Experimental Medicine, Faculty of Health Sciences, University of Surrey, Surrey, UK
| | - Michael Joannidis
- Division of Intensive Care and Emergency Medicine, Medical University of Innsbruck, Innsbruck, Austria
| | - Jay L Koyner
- Divisions of Nephrology, Departments of Medicine, University of Chicago, Chicago, IL, USA
| | - Kathleen Liu
- Divisions of Nephrology and Critical Care Medicine, Departments of Medicine and Anesthesia, University of San Francisco, San Francisco, CA, USA
| | - Vincenzo Cantaluppi
- Nephrology and Kidney Transplantation Unit, Department of Translational Medicine, University of Piemonte Orientale, Novara, Italy
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14
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Rasmi Y, Babaei G, Nisar MF, Noreen H, Gholizadeh-Ghaleh Aziz S. Revealed pathophysiological mechanisms of crosslinking interaction of affected vital organs in COVID-19. COMPARATIVE CLINICAL PATHOLOGY 2021; 30:1005-1021. [PMID: 34539310 PMCID: PMC8432959 DOI: 10.1007/s00580-021-03269-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 07/26/2021] [Indexed: 02/07/2023]
Abstract
SARS-CoV-2 is one of the main serious challenges of human societies, which emerged in December 2019 from China and quickly extends to all parts of the world. The virus was previously believed to only affect the lungs and respiratory system, but subsequent research has revealed that it affects a variety of organs. For this reason, this disease is known as a multiorgan disease. Current article aimed to highlight latest information and updates about molecular studies regarding pathogenesis of SARS-CoV-2 in kidney, liver, and cardiovascular and respiratory systems, as well as the mechanisms of interaction of these organs with each other to cause clinical manifestations in patients.
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Affiliation(s)
- Yousef Rasmi
- Department of Clinical Biochemistry, Faculty of Medicine, Urmia Medical Sciences University (UMSU), Urmia, Iran
| | - Ghader Babaei
- Department of Clinical Biochemistry, Faculty of Medicine, Urmia Medical Sciences University (UMSU), Urmia, Iran
| | - Muhammad Farrukh Nisar
- Department of Physiology and Biochemistry, Cholistan University of Veterinary and Animal Sciences (CUVAS), Bahawalpur, 63100 Pakistan
| | - Hina Noreen
- Department of Physiology and Biochemistry, Cholistan University of Veterinary and Animal Sciences (CUVAS), Bahawalpur, 63100 Pakistan
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15
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Acute kidney injury (AKI) in patients with Covid-19 infection is associated with ventilatory management with elevated positive end-expiratory pressure (PEEP). J Nephrol 2021; 35:99-111. [PMID: 34170508 PMCID: PMC8226340 DOI: 10.1007/s40620-021-01100-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 06/14/2021] [Indexed: 01/08/2023]
Abstract
Background Acute kidney injury (AKI) in Covid-19 patients admitted to the intensive care unit (ICU) is common, and its severity may be associated with unfavorable outcomes. Severe Covid-19 fulfills the diagnostic criteria for acute respiratory distress syndrome (ARDS); however, it is unclear whether there is any relationship between ventilatory management and AKI development in Covid-19 ICU patients. Purpose To describe the clinical course and outcomes of Covid-19 ICU patients, focusing on ventilatory management and factors associated with AKI development. Methods Single-center, retrospective observational study, which assessed AKI incidence in Covid-19 ICU patients divided by positive end expiratory pressure (PEEP) tertiles, with median levels of 9.6 (low), 12.0 (medium), and 14.7 cmH2O (high-PEEP). Results Overall mortality was 51.5%. AKI (KDIGO stage 2 or 3) occurred in 38% of 101 patients. Among the AKI patients, 19 (53%) required continuous renal replacement therapy (CRRT). In AKI patients, mortality was significantly higher versus non-AKI (81% vs. 33%, p < 0.0001). The incidence of AKI in low-, medium-, or high-PEEP patients were 16%, 38%, and 59%, respectively (p = 0.002). In a multivariate analysis, high-PEEP patients showed a higher risk of developing AKI than low-PEEP patients (OR = 4.96 [1.1–21.9] 95% CI p < 0.05). ICU mortality rate was higher in high-PEEP patients, compared to medium-PEEP or low-PEEP patients (69% vs. 44% and 42%, respectively; p = 0.057). Conclusion The use of high PEEP in Covid-19 ICU patients is associated with a fivefold higher risk of AKI, leading to higher mortality. The cause and effect relationship needs further analysis. Graphic abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1007/s40620-021-01100-3.
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Fogagnolo A, Montanaro F, Al-Husinat L, Turrini C, Rauseo M, Mirabella L, Ragazzi R, Ottaviani I, Cinnella G, Volta CA, Spadaro S. Management of Intraoperative Mechanical Ventilation to Prevent Postoperative Complications after General Anesthesia: A Narrative Review. J Clin Med 2021; 10:jcm10122656. [PMID: 34208699 PMCID: PMC8234365 DOI: 10.3390/jcm10122656] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 06/09/2021] [Accepted: 06/15/2021] [Indexed: 01/02/2023] Open
Abstract
Mechanical ventilation (MV) is still necessary in many surgical procedures; nonetheless, intraoperative MV is not free from harmful effects. Protective ventilation strategies, which include the combination of low tidal volume and adequate positive end expiratory pressure (PEEP) levels, are usually adopted to minimize the ventilation-induced lung injury and to avoid post-operative pulmonary complications (PPCs). Even so, volutrauma and atelectrauma may co-exist at different levels of tidal volume and PEEP, and therefore, the physiological response to the MV settings should be monitored in each patient. A personalized perioperative approach is gaining relevance in the field of intraoperative MV; in particular, many efforts have been made to individualize PEEP, giving more emphasis on physiological and functional status to the whole body. In this review, we summarized the latest findings about the optimization of PEEP and intraoperative MV in different surgical settings. Starting from a physiological point of view, we described how to approach the individualized MV and monitor the effects of MV on lung function.
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Affiliation(s)
- Alberto Fogagnolo
- Department of Translation Medicine and for Romagna, Section of Anesthesia and Intensive Care, University of Ferrara, 44121 Ferrara, Italy; (F.M.); (C.T.); (R.R.); (I.O.); (C.A.V.); (S.S.)
- Correspondence:
| | - Federica Montanaro
- Department of Translation Medicine and for Romagna, Section of Anesthesia and Intensive Care, University of Ferrara, 44121 Ferrara, Italy; (F.M.); (C.T.); (R.R.); (I.O.); (C.A.V.); (S.S.)
| | - Lou’i Al-Husinat
- Department of Clinical Sciences, Faculty of Medicine, Yarmouk University, Irbid 21163, Jordan;
| | - Cecilia Turrini
- Department of Translation Medicine and for Romagna, Section of Anesthesia and Intensive Care, University of Ferrara, 44121 Ferrara, Italy; (F.M.); (C.T.); (R.R.); (I.O.); (C.A.V.); (S.S.)
| | - Michela Rauseo
- Department of Anesthesia and Intensive Care, University of Foggia, 71122 Foggia, Italy; (M.R.); (L.M.); (G.C.)
| | - Lucia Mirabella
- Department of Anesthesia and Intensive Care, University of Foggia, 71122 Foggia, Italy; (M.R.); (L.M.); (G.C.)
| | - Riccardo Ragazzi
- Department of Translation Medicine and for Romagna, Section of Anesthesia and Intensive Care, University of Ferrara, 44121 Ferrara, Italy; (F.M.); (C.T.); (R.R.); (I.O.); (C.A.V.); (S.S.)
| | - Irene Ottaviani
- Department of Translation Medicine and for Romagna, Section of Anesthesia and Intensive Care, University of Ferrara, 44121 Ferrara, Italy; (F.M.); (C.T.); (R.R.); (I.O.); (C.A.V.); (S.S.)
| | - Gilda Cinnella
- Department of Anesthesia and Intensive Care, University of Foggia, 71122 Foggia, Italy; (M.R.); (L.M.); (G.C.)
| | - Carlo Alberto Volta
- Department of Translation Medicine and for Romagna, Section of Anesthesia and Intensive Care, University of Ferrara, 44121 Ferrara, Italy; (F.M.); (C.T.); (R.R.); (I.O.); (C.A.V.); (S.S.)
| | - Savino Spadaro
- Department of Translation Medicine and for Romagna, Section of Anesthesia and Intensive Care, University of Ferrara, 44121 Ferrara, Italy; (F.M.); (C.T.); (R.R.); (I.O.); (C.A.V.); (S.S.)
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