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Babroudi S, Weiner DE, Neyra JA, Drew DA. Acute Kidney Injury Receiving Dialysis and Dialysis Care after Hospital Discharge. J Am Soc Nephrol 2024; 35:962-971. [PMID: 38652567 PMCID: PMC11230726 DOI: 10.1681/asn.0000000000000383] [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: 11/29/2023] [Accepted: 04/15/2024] [Indexed: 04/25/2024] Open
Abstract
The number of patients with AKI receiving outpatient hemodialysis (AKI-D) is increasing. At present, on the basis of limited data, approximately one third of patients with AKI-D who receive outpatient dialysis after hospital discharge survive and regain sufficient kidney function to discontinue dialysis. Data to inform dialysis management strategies that promote kidney function recovery and processes of care among patients with AKI-D receiving outpatient dialysis are lacking. In this article, we detail current trends in the incidence, risk factors, clinical outcomes, proposed management, and health policy landscape for patients with AKI-D receiving outpatient dialysis and identify areas for further research.
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Affiliation(s)
- Seda Babroudi
- Division of Nephrology, Department of Medicine, Tufts Medical Center, Boston, Massachusetts
| | - Daniel E. Weiner
- Division of Nephrology, Department of Medicine, Tufts Medical Center, Boston, Massachusetts
| | - Javier A. Neyra
- Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama
| | - David A. Drew
- Division of Nephrology, Department of Medicine, Tufts Medical Center, Boston, Massachusetts
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2
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Hauwanga WN, Alphonse B, Akram I, Djeagou A, Lima Pessôa B, McBenedict B. Decadal Analysis of Age-Adjusted Mortality Rates for Acute and Chronic Kidney Disease in Brazil, 2000-2021. Cureus 2024; 16:e61657. [PMID: 38966439 PMCID: PMC11223587 DOI: 10.7759/cureus.61657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2024] [Accepted: 06/04/2024] [Indexed: 07/06/2024] Open
Abstract
Introduction Renal failure, comprising acute kidney injury (AKI) and chronic kidney disease (CKD), involves a decline or loss of kidney function. AKI is sudden and reversible, with a rapid decline in function over hours to days, while CKD involves persistent abnormalities lasting at least three months. Developing countries are seeing a rise in AKI cases, especially in critically ill patients. Globally, there's a growing occurrence and mortality rate linked to CKD. Methods The study used a retrospective cross-sectional design to analyze AKI and CKD mortality rates in Brazil from 2019 to 2022. Data on population and demographics, including sex and age, were obtained from the Brazilian Institute of Geography and Statistics. Mortality data for kidney diseases were sourced from the Brazilian Hospital Information System. The analysis utilized the Joinpoint Regression Program to calculate average annual percentage changes (AAPCs) and their respective 95% confidence intervals. Weighted Bayesian information criterion was used to determine the significance levels and identify the best-fitting combination of line segments and joinpoints. Results The study findings revealed a significant rise in AKI mortality rates for both males and females, from 2008 to 2021 (APC = 3.16; CI: 2.29 to 5.93), with higher mortality rates recorded among males compared to women over the entire study period. Analyses according to age groups showed that males between the ages 40 to 49 experienced the most rapid increase in mortality during the 2019 - 2021 period (APC = 35.41; CI: 16.72 to 46.57); meanwhile, the most rapid increase in mortality for females was observed from 2019 to 2021, and this was among those aged 30 to 39 (APC = 40.33; CI = 6.48 to 59.78). Furthermore, there was an observable upward trend in mortality related to CKD (APC = 0.70; CI: 0.41 to 1.01), with males consistently having higher mortality rates throughout the entire study period. The elderly population, both males and females, experienced the most rapid increase in CKD-related mortality, with AAPC values of 2.32 (CI: 1.82 to 2.89) for males and 1.62 (CI: 1.08 to 2.10) for females. Conclusion We observed a consistent increase in mortality rates from acute kidney diseases for both males and females since 2008, with males experiencing higher mortality rates overall. The study highlighted the need for further research to understand the underlying factors contributing to these trends. Additionally, interventions targeting modifiable risk factors and improving access to healthcare could help reduce mortality related to renal failure.
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Affiliation(s)
- Wilhelmina N Hauwanga
- Family Medicine, Federal University of the State of Rio de Janeiro, Rio de Janeiro, BRA
| | | | - Ifrah Akram
- Neurosurgery, Fluminense Federal University, Niterói, BRA
| | - Albine Djeagou
- Neurosurgery, Fluminense Federal University, Niterói, BRA
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3
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Kolhe NV, Fluck RJ, Taal MW. Regional variation of COVID-19 admissions, acute kidney injury and mortality in England - a national observational study using administrative data. BMC Infect Dis 2024; 24:346. [PMID: 38519921 PMCID: PMC10960376 DOI: 10.1186/s12879-024-09210-6] [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: 10/31/2023] [Accepted: 03/08/2024] [Indexed: 03/25/2024] Open
Abstract
BACKGROUND This study explores regional variations in COVID-19 hospitalization rates, in-hospital mortality, and acute kidney injury (AKI) in England. We investigated the influence of population demographic characteristics, viral strain changes, and therapeutic advances on clinical outcomes. METHODS Using hospital episode statistics, we conducted a retrospective cohort study with 749,844 admissions in 337,029 adult patients with laboratory-confirmed COVID-19 infection (March 1, 2020, to March 31, 2021). Multivariable logistic regression identified factors predicting AKI and mortality in COVID-19 hospitalized patients. RESULTS London had the highest number of COVID-19 admissions (131,338, 18%), followed by the North-west region (122,683, 16%). The North-west had the highest population incidence of COVID-19 hospital admissions (21,167 per million population, pmp), while the South-west had the lowest (9,292 admissions pmp). Patients in London were relatively younger (67.0 ± 17.7 years) than those in the East of England (72.2 ± 16.8 years). The shortest length of stay was in the North-east (12.2 ± 14.9 days), while the longest was in the North-west (15.2 ± 17.9 days). All eight regions had higher odds of death compared to London, ranging from OR 1.04 (95% CI 1.00, 1.07) in the South-west to OR 1.24 (95% CI 1.21, 1.28) in the North-west. Older age, Asian ethnicity, emergency admission, transfers from other hospitals, AKI presence, ITU admission, social deprivation, and comorbidity were associated with higher odds of death. AKI incidence was 30.3%, and all regions had lower odds of developing AKI compared to London. Increasing age, mixed and black ethnicity, emergency admission, transfers from other providers, ITU care, and different levels of comorbidity were associated with higher odds of developing AKI. CONCLUSIONS London exhibited higher hospital admission numbers and AKI incidence, but lower odds of death compared to other regions in England. TRIAL REGISTRATION Registered on National Library of Medicine website ( www. CLINICALTRIALS gov ) with registration number NCT04579562 on 8/10/2020.
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Affiliation(s)
- Nitin V Kolhe
- University Hospitals of Derby and Burton NHS Trust, Uttoxeter Road, Derby, DE22 3NE, UK.
- Centre for Kidney Research and Innovation, Academic Unit for Translational Medical Sciences, School of Medicine, University of Nottingham, Nottingham, UK.
| | - Richard J Fluck
- University Hospitals of Derby and Burton NHS Trust, Uttoxeter Road, Derby, DE22 3NE, UK
- Centre for Kidney Research and Innovation, Academic Unit for Translational Medical Sciences, School of Medicine, University of Nottingham, Nottingham, UK
| | - Maarten W Taal
- University Hospitals of Derby and Burton NHS Trust, Uttoxeter Road, Derby, DE22 3NE, UK
- Centre for Kidney Research and Innovation, Academic Unit for Translational Medical Sciences, School of Medicine, University of Nottingham, Nottingham, UK
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4
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Chesnaye NC, Carrero JJ, Hecking M, Jager KJ. Differences in the epidemiology, management and outcomes of kidney disease in men and women. Nat Rev Nephrol 2024; 20:7-20. [PMID: 37985869 DOI: 10.1038/s41581-023-00784-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/19/2023] [Indexed: 11/22/2023]
Abstract
Improved understanding of differences in kidney disease epidemiology, management and outcomes in men and women could help nephrologists to better meet the needs of their patients from a sex- and gender-specific perspective. Evidence of sex differences in the risk and outcomes of acute kidney injury is mixed and dependent on aetiology. Women have a higher prevalence of chronic kidney disease (CKD) stages 3-5 than men, whereas men have a higher prevalence of albuminuria and hence CKD stages 1-2. Men show a faster decline in kidney function, progress more frequently to kidney failure and have higher mortality and risk of cardiovascular disease than women. However, the protective effect of female sex is reduced with CKD progression. Women are less likely than men to be aware of, screened for and diagnosed with CKD, started on antiproteinuric medication and referred to nephrologist care. They also consistently report a poorer health-related quality of life and a higher symptom burden than men. Women experience greater barriers than men to access the waiting list for kidney transplantation, particularly with respect to older age and obesity. However, women also have longer survival than men after transplantation, which may partly explain the comparable prevalence of transplantation between the sexes.
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Affiliation(s)
- Nicholas C Chesnaye
- ERA Registry, Amsterdam UMC location University of Amsterdam, Medical Informatics, Amsterdam, Netherlands
- Amsterdam Public Health Research Institute, Quality of Care, Amsterdam, the Netherlands
| | - Juan Jesus Carrero
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
- Division of Nephrology, Department of Clinical Sciences, Karolinska Institutet, Danderyd Hospital, Stockholm, Sweden
| | - Manfred Hecking
- Department of Internal Medicine III, Clinical Division of Nephrology and Dialysis, Medical University of Vienna, Vienna, Austria
- Department of Epidemiology, Center for Public Health, Medical University of Vienna, Vienna, Austria
| | - Kitty J Jager
- ERA Registry, Amsterdam UMC location University of Amsterdam, Medical Informatics, Amsterdam, Netherlands.
- Amsterdam Public Health Research Institute, Quality of Care, Amsterdam, the Netherlands.
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5
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Curtis LM. Sex and Gender Differences in AKI. KIDNEY360 2024; 5:160-167. [PMID: 37990360 PMCID: PMC10833607 DOI: 10.34067/kid.0000000000000321] [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: 04/27/2023] [Accepted: 11/14/2023] [Indexed: 11/23/2023]
Abstract
Sex differences in AKI continue to be identified. Generally, women are protected from AKI when compared to men. Much of the protection exhibited in women is diminished after menopause. These sex and age effects have also been noted in animal models of AKI. Gonadal hormones, as modifiers of incidence, severity, and progression of AKI, have been offered as likely contributors to this sex and age effect. In animal models of AKI, estrogen and testosterone seem to modulate susceptibility. Questions remain however regarding cellular and molecular changes that are initiated by modulation of these hormones because both estrogen and testosterone have effects across cell types that play a role in AKI. Although findings have largely been informed by studies in males, molecular pathways that are involved in the initiation and progression of AKI may be modulated by gonadal hormones. Compounding the hormone-receptor effects are developmental effects of sex chromosomal complement and epigenetic influences that may confer sex-based baseline differences in gene and protein expression, and gene dosage effects of X inactivation and escape on molecular pathways. Elucidation of sex-based protection may afford a more complete view of AKI and potential therapeutic interventions. Furthermore, the effect on susceptibility to AKI in transgender patients, who receive life-altering and essential gender-affirming hormone therapy, requires greater attention. In this review, several potential contributors to the sex differences observed in humans and animal models are discussed.
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Affiliation(s)
- Lisa M Curtis
- Division of Nephrology, University of Alabama at Birmingham, Birmingham, Alabama
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Mohamed R, Sullivan JC. Sustained activation of 12/15 lipoxygenase (12/15 LOX) contributes to impaired renal recovery post ischemic injury in male SHR compared to females. Mol Med 2023; 29:163. [PMID: 38049738 PMCID: PMC10696802 DOI: 10.1186/s10020-023-00762-y] [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: 05/31/2023] [Accepted: 11/19/2023] [Indexed: 12/06/2023] Open
Abstract
BACKGROUND Acute kidney injury (AKI) due to ischemia-reperfusion (IR) is a serious and frequent complication in clinical settings, and mortality rates remain high. There are well established sex differences in renal IR, with males exhibiting greater injury following an ischemic insult compared to females. We recently reported that males have impaired renal recovery from ischemic injury vs. females. However, the mechanisms mediating sex differences in renal recovery from IR injury remain poorly understood. Elevated 12/15 lipoxygenase (LOX) activity has been reported to contribute to the progression of numerous kidney diseases. The goal of the current study was to test the hypothesis that enhanced activation of 12/15 LOX contributes to impaired recovery post-IR in males vs. females. METHODS 13-week-old male and female spontaneously hypertensive rats (SHR) were randomized to sham or 30-minute warm bilateral IR surgery. Additional male and female SHR were randomized to treatment with vehicle or the specific 12/15 LOX inhibitor ML355 1 h prior to sham/IR surgery, and every other day following up to 7-days post-IR. Blood was collected from all rats 1-and 7-days post-IR. Kidneys were harvested 7-days post-IR and processed for biochemical, histological, and Western blot analysis. 12/15 LOX metabolites 12 and 15 HETE were measured in kidney samples by liquid chromatography-mass spectrometry (LC/MS). RESULTS Male SHR exhibited delayed recovery of renal function post-IR vs. male sham and female IR rats. Delayed recovery in males was associated with activation of renal 12/15 LOX, increased renal 12-HETE, enhanced endoplasmic reticulum (ER) stress, lipid peroxidation, renal cell death and inflammation compared to females 7-days post-IR. Treatment of male SHR with ML355 lowered levels of 12-HETE and resulted in reduced renal lipid peroxidation, ER stress, tubular cell death and inflammation 7-days post-IR with enhanced recovery of renal function compared to vehicle-treated IR male rats. ML355 treatment did not alter IR-induced increases in plasma creatinine in females, however, tubular injury and cell death were attenuated in ML355 treated females compared to vehicle-treated rats 7 days post-IR. CONCLUSION Our data demonstrate that sustained activation 12/15 LOX contributes to impaired renal recovery post ischemic injury in male and female SHR, although males are more susceptible on this mechanism than females.
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Affiliation(s)
- Riyaz Mohamed
- Department of Physiology, Medical College of Georgia at Augusta University, Augusta, Georgia, 30912, United States.
| | - Jennifer C Sullivan
- Department of Physiology, Medical College of Georgia at Augusta University, Augusta, Georgia, 30912, United States
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Zeng B, Zhou J, Peng D, Dong C, Qin Q. The prevention and treatment of COVID-19 in patients treated with hemodialysis. Eur J Med Res 2023; 28:410. [PMID: 37814329 PMCID: PMC10563282 DOI: 10.1186/s40001-023-01389-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 09/21/2023] [Indexed: 10/11/2023] Open
Abstract
Patients treated with hemodialysis are often immunocompromised due to concomitant disease. As a result, this population is at high risk of infection and mortality from COVID-19. In addition to symptomatic treatment, a series of antiviral drugs targeting COVID-19 are now emerging. However, these antivirals are used mainly in mild or moderate patients with high-risk factors for progression to severe disease and are not available as pre- or post-exposure prophylaxis for COVID-19. There is a lack of clinical data on the use of anti-COVID-19 drugs, especially in patients treated with hemodialysis, therefore, vaccination remains the main measure to prevent SARS-CoV-2 infection in these patients. Here, we review the clinical features and prognosis of patients on hemodialysis infected with SARS-CoV-2, the main anti-COVID-19 drugs currently available for clinical use, and the safety and efficacy of anti-COVID-19 drugs or COVID-19 vaccination in patients treated with hemodialysis. This information will provide a reference for the treatment and vaccination of COVID-19 in patients treated with hemodialysis and maximize the health benefits of these patients during the outbreak.
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Affiliation(s)
- Binyu Zeng
- National Institution of Drug Clinical Trial, Xiangya Hospital, Central South University, Changsha, 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China
- International Science and Technology Innovation Cooperation Base for Early Clinical Trials of Biological Agents in Hunan Province, Changsha, China
| | - Jia Zhou
- National Institution of Drug Clinical Trial, Xiangya Hospital, Central South University, Changsha, 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China
- International Science and Technology Innovation Cooperation Base for Early Clinical Trials of Biological Agents in Hunan Province, Changsha, China
| | - Daizhuang Peng
- National Institution of Drug Clinical Trial, Xiangya Hospital, Central South University, Changsha, 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China
- International Science and Technology Innovation Cooperation Base for Early Clinical Trials of Biological Agents in Hunan Province, Changsha, China
| | - Chengmei Dong
- National Institution of Drug Clinical Trial, Xiangya Hospital, Central South University, Changsha, 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China
- International Science and Technology Innovation Cooperation Base for Early Clinical Trials of Biological Agents in Hunan Province, Changsha, China
| | - Qun Qin
- National Institution of Drug Clinical Trial, Xiangya Hospital, Central South University, Changsha, 410008, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China.
- International Science and Technology Innovation Cooperation Base for Early Clinical Trials of Biological Agents in Hunan Province, Changsha, China.
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8
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Anderson A, Shoulders L, James V, Ashcraft E, Cheng C, Ribeiro R, Elbahlawan L. Benefit of continuous kidney replacement therapy for managing tumor lysis syndrome in children with hematologic malignancies. Front Oncol 2023; 13:1234677. [PMID: 37664024 PMCID: PMC10471890 DOI: 10.3389/fonc.2023.1234677] [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: 06/05/2023] [Accepted: 08/07/2023] [Indexed: 09/05/2023] Open
Abstract
Introduction Tumor lysis syndrome (TLS) is often diagnosed in children with hematological malignancies and can be life threatening due to metabolic disturbances. Continuous renal replacement therapy (CKRT) can reverse these disturbances relatively quickly when conventional medical management fails. Our objective was to investigate the benefit of CKRT in the management of TLS in children admitted to the intensive care unit with hematologic malignancies. In addition, we sought to assess risk factors for acute kidney injury (AKI) in the setting of TLS. Methods Retrospective review of all children admitted to the intensive care unit with TLS who received CKRT from January 2012 to August 2022. Results Among 222 children hospitalized with TLS from January 2012 to August 2022, 20 (9%) underwent CKRT to manage TLS in the intensive care unit. The patients' median age was 13 years (range 3-17 y), and most were males (18/20). T-cell acute lymphoblastic leukemia was the most common diagnosis (n=10), followed by acute myeloid leukemia (n=4), Burkitt lymphoma (n=4), and B-cell acute lymphoblastic leukemia (n=2). Five patients required mechanical ventilation, and 2 required vasopressors. The most common indication for CKRT was hyperphosphatemia, followed by, hyperuricemia, and hyperkalemia. All metabolic abnormalities corrected within 12 h of initiation of CKRT. CKRT courses were brief, with a median duration of 2 days (range 1-7 days). Having higher serum phosphorus levels 12 h preceding CKRT was significantly associated with severe acute kidney injury (AKI). The median phosphorus level was 6.4 mg/dL in children with no/mild AKI and 10.5 mg/dL in children with severe AKI (p=0.0375). Serum uric acid levels before CKRT were not associated with AKI. All children survived to hospital discharge, and the one-year survival rate was 90%. Conclusion CKRT is safe in children with hematologic malignancies with severe TLS and reverses metabolic derangements within 6-12 h. Most patients had AKI at the initiation of CKRT but did not require long-term kidney replacement therapy. Hyperphosphatemia before initiation of CKRT is associated with higher risk of AKI.
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Affiliation(s)
- Ashlea Anderson
- Division of Critical Care Medicine, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Laurie Shoulders
- Department of Nursing, Intensive Care Unit, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Vinson James
- Division of Pediatric Nephrology, Department of Pediatrics, LeBonheur Children's Hospital, Memphis, TN, United States
| | - Emily Ashcraft
- Department of Biostatistics, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Cheng Cheng
- Department of Biostatistics, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Raul Ribeiro
- Department of Oncology, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Lama Elbahlawan
- Division of Critical Care Medicine, St. Jude Children's Research Hospital, Memphis, TN, United States
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Kang P, Park JB, Yoon HK, Ji SH, Jang YE, Kim EH, Lee JH, Lee HC, Kim JT, Kim HS. Association of the perfusion index with postoperative acute kidney injury: a retrospective study. Korean J Anesthesiol 2023; 76:348-356. [PMID: 36704814 PMCID: PMC10391075 DOI: 10.4097/kja.22620] [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: 09/23/2022] [Revised: 01/06/2023] [Accepted: 01/17/2023] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND Many studies have examined the risk factors for postoperative acute kidney injury (AKI), but few have focused on intraoperative peripheral perfusion index (PPI) that has recently been shown to be associated with postoperative morbidity and mortality. Therefore, this study aimed to evaluate the relationship between intraoperative PPI and postoperative AKI under the hypothesis that lower intraoperative PPI is associated with AKI occurrence. METHODS We retrospectively searched electronic medical records to identify patients who underwent surgery at the general surgery department from May 2021 to November 2021. Patient baseline characteristics, pre- and post-operative laboratory test results, comorbidities, intraoperative vital signs, and discharge profiles were obtained from the Institutional Clinical Data Warehouse and VitalDB. Intraoperative PPI was the primary exposure variable, and the primary outcome was postoperative AKI. RESULTS Overall, 2,554 patients were identified and 1,586 patients were included in our analysis. According to Kidney Disease Improving Global Outcomes (KDIGO) criteria, postoperative AKI occurred in 123 (7.8%) patients. We found that risks of postoperative AKI increased (odds ratio: 2.00, 95% CI [1.16, 3.44], P = 0.012) when PPI was less than 0.5 for more than 10% of surgery time. Other risk factors for AKI occurrence were male sex, older age, higher American Society of Anesthesiologists physical status, obesity, underlying renal disease, prolonged operation time, transfusion, and emergent operation. CONCLUSIONS Low intraoperative PPI was independently associated with postoperative AKI.
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Affiliation(s)
- Pyoyoon Kang
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul, Korea
| | - Jung-bin Park
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul, Korea
| | - Hyun-Kyu Yoon
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul, Korea
| | - Sang-Hwan Ji
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul, Korea
| | - Young-Eun Jang
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul, Korea
| | - Eun-Hee Kim
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul, Korea
| | - Ji-Hyun Lee
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul, Korea
| | - Hyung Chul Lee
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul, Korea
| | - Jin-Tae Kim
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul, Korea
- Department of Anesthesiology and Pain Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Hee-Soo Kim
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul, Korea
- Department of Anesthesiology and Pain Medicine, Seoul National University College of Medicine, Seoul, Korea
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Akimoto H, Hayakawa T, Nagashima T, Minagawa K, Takahashi Y, Asai S. Detection of potential drug-drug interactions for risk of acute kidney injury: a population-based case-control study using interpretable machine-learning models. Front Pharmacol 2023; 14:1176096. [PMID: 37288110 PMCID: PMC10242015 DOI: 10.3389/fphar.2023.1176096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 05/09/2023] [Indexed: 06/09/2023] Open
Abstract
Background: Acute kidney injury (AKI), with an increase in serum creatinine, is a common adverse drug event. Although various clinical studies have investigated whether a combination of two nephrotoxic drugs has an increased risk of AKI using traditional statistical models such as multivariable logistic regression (MLR), the evaluation metrics have not been evaluated despite the fact that traditional statistical models may over-fit the data. The aim of the present study was to detect drug-drug interactions with an increased risk of AKI by interpreting machine-learning models to avoid overfitting. Methods: We developed six machine-learning models trained using electronic medical records: MLR, logistic least absolute shrinkage and selection operator regression (LLR), random forest, extreme gradient boosting (XGB) tree, and two support vector machine models (kernel = linear function and radial basis function). In order to detect drug-drug interactions, the XGB and LLR models that showed good predictive performance were interpreted by SHapley Additive exPlanations (SHAP) and relative excess risk due to interaction (RERI), respectively. Results: Among approximately 2.5 million patients, 65,667 patients were extracted from the electronic medical records, and assigned to case (N = 5,319) and control (N = 60,348) groups. In the XGB model, a combination of loop diuretic and histamine H2 blocker [mean (|SHAP|) = 0.011] was identified as a relatively important risk factor for AKI. The combination of loop diuretic and H2 blocker showed a significant synergistic interaction on an additive scale (RERI 1.289, 95% confidence interval 0.226-5.591) also in the LLR model. Conclusion: The present population-based case-control study using interpretable machine-learning models suggested that although the relative importance of the individual and combined effects of loop diuretics and H2 blockers is lower than that of well-known risk factors such as older age and sex, concomitant use of a loop diuretic and histamine H2 blocker is associated with increased risk of AKI.
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Affiliation(s)
- Hayato Akimoto
- Division of Pharmacology, Department of Biomedical Sciences, Nihon University School of Medicine, Itabashi-ku, Tokyo, Japan
- Division of Genomic Epidemiology and Clinical Trials, Clinical Trials Research Center, Nihon University School of Medicine, Itabashi-ku, Tokyo, Japan
| | - Takashi Hayakawa
- Division of Pharmacology, Department of Biomedical Sciences, Nihon University School of Medicine, Itabashi-ku, Tokyo, Japan
- Division of Genomic Epidemiology and Clinical Trials, Clinical Trials Research Center, Nihon University School of Medicine, Itabashi-ku, Tokyo, Japan
| | - Takuya Nagashima
- Division of Pharmacology, Department of Biomedical Sciences, Nihon University School of Medicine, Itabashi-ku, Tokyo, Japan
- Division of Genomic Epidemiology and Clinical Trials, Clinical Trials Research Center, Nihon University School of Medicine, Itabashi-ku, Tokyo, Japan
| | - Kimino Minagawa
- Division of Genomic Epidemiology and Clinical Trials, Clinical Trials Research Center, Nihon University School of Medicine, Itabashi-ku, Tokyo, Japan
| | - Yasuo Takahashi
- Division of Genomic Epidemiology and Clinical Trials, Clinical Trials Research Center, Nihon University School of Medicine, Itabashi-ku, Tokyo, Japan
| | - Satoshi Asai
- Division of Pharmacology, Department of Biomedical Sciences, Nihon University School of Medicine, Itabashi-ku, Tokyo, Japan
- Division of Genomic Epidemiology and Clinical Trials, Clinical Trials Research Center, Nihon University School of Medicine, Itabashi-ku, Tokyo, Japan
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Krasivskyi I, Djordjevic I, Ivanov B, Eghbalzadeh K, Großmann C, Reichert S, Radwan M, Sandoval Boburg R, Sabashnikov A, Schlensak C, Wahlers T, Rustenbach CJ. Gender-Related Discrepancies in Short-Term Outcomes in Patients Undergoing Off-Pump Coronary Artery Bypass Grafting Surgery. J Clin Med 2023; 12:jcm12062202. [PMID: 36983204 PMCID: PMC10056417 DOI: 10.3390/jcm12062202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 03/02/2023] [Accepted: 03/10/2023] [Indexed: 03/18/2023] Open
Abstract
The sex differences in patients undergoing off-pump coronary artery bypass grafting (OPCAB) surgery are still unclear. Our aim was to investigate the impact of gender on short-term outcomes in males and females after off-pump bypass procedures. Our research was designed as a double-center retrospective analysis. Generally, 343 patients (men (n = 255) and women (n = 88)) who underwent an OPCAB procedure were included in our study. To provide a statistical analysis of unequal cohorts, we created a propensity score-based matching (PSM) analysis (men, n = 61; women, n = 61). The primary endpoint was all-cause in-hospital mortality. Dialysis, transient ischemic attack (TIA), low cardiac output syndrome (LCOS), reoperation due to postoperative bleeding, wound infection and duration of hospital stay were secondary outcomes in our analysis. No significant differences were detected within the male and female groups regarding age (p = 0.116), BMI (p = 0.221), diabetes (p = 0.853), cardiogenic shock (0.256), STEMI (p = 0.283), NSTEMI (p = 0.555) and dialysis (p = 0.496). Males underwent significantly more frequently (p = 0.005) total-arterial revascularization with T-graft technique (p = 0.005) than females. In contrast, temporary pacer use was significantly higher (p = 0.022) in females compared to males. The in-hospital mortality rate was not significantly higher (p = 0.496) in the female group compared to the male group. Likewise, secondary outcomes did not differ significantly between the non-adjusted and the adjusted groups. Based on our findings, gender has no impact on short-term outcomes after OPCAB surgery.
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Affiliation(s)
- Ihor Krasivskyi
- Department of Cardiothoracic Surgery, University Hospital Cologne, 50937 Cologne, Germany
- Correspondence: ; Tel.: +49-176-353-88-719
| | - Ilija Djordjevic
- Department of Cardiothoracic Surgery, University Hospital Cologne, 50937 Cologne, Germany
| | - Borko Ivanov
- Department of Cardiothoracic Surgery, Helios Hospital Siegburg, 53721 Siegburg, Germany
| | - Kaveh Eghbalzadeh
- Department of Cardiothoracic Surgery, University Hospital Cologne, 50937 Cologne, Germany
| | - Clara Großmann
- Department of Cardiothoracic Surgery, University Hospital Cologne, 50937 Cologne, Germany
| | - Stefan Reichert
- Department of Cardiothoracic Surgery, University Hospital Tuebingen, 72016 Tuebingen, Germany
| | - Medhat Radwan
- Department of Cardiothoracic Surgery, University Hospital Tuebingen, 72016 Tuebingen, Germany
| | - Rodrigo Sandoval Boburg
- Department of Cardiothoracic Surgery, University Hospital Tuebingen, 72016 Tuebingen, Germany
| | - Anton Sabashnikov
- Department of Cardiothoracic Surgery, University Hospital Cologne, 50937 Cologne, Germany
| | - Christian Schlensak
- Department of Cardiothoracic Surgery, University Hospital Tuebingen, 72016 Tuebingen, Germany
| | - Thorsten Wahlers
- Department of Cardiothoracic Surgery, University Hospital Cologne, 50937 Cologne, Germany
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12
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Bartos K, Moor MB. FGFR regulator Memo1 is dispensable for FGF23 expression by osteoblasts during folic acid-driven kidney injury. Physiol Rep 2023; 11:e15650. [PMID: 36967231 PMCID: PMC10040316 DOI: 10.14814/phy2.15650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 03/04/2023] [Accepted: 03/07/2023] [Indexed: 03/28/2023] Open
Abstract
Loss of the mediator Of cell motility 1 (Memo1) in mice caused kidney disease and a bone disease with diminished osteoblast and osteoclast biomarkers in serum, resembling alterations occurring in adynamic bone disease in humans with chronic kidney disease or in Klotho-deficient mice. Here, we investigated whether Memo1 expression in osteoblasts is required for normal bone structure and FGF23 expression. We deleted Memo1 in the osteoblast-osteocyte lineage in Memo fl/fl mice using a Cre under Col1a1 promotor to obtain osteoblast-specific knockout (obKO) mice. We studied organs by micro-computed tomography, qPCR, and western blot. We challenged mice with folic acid for acute kidney injury (AKI) and analyzed organs. Memo obKO were viable without changes in gross anatomy, serum electrolytes, or circulating FGF23 concentrations compared to controls. Memo1 expression was blunted in bones of Memo obKO, whereas it remained unchanged in other organs. Micro-CT revealed no differences between genotypes in bone structure of vertebrae, femur, and tibia. During AKI, Fgf23 expression in calvaria, and renal transcriptional changes were comparable between genotypes. However, renal injury marker expression, circulating FGF23, and parathyroid hormone revealed a sex difference with more severely affected females than males of either genotype. The present data imply that Memo1 in osteoblasts is dispensable for bone structure and expression of Fgf23. Moreover, we found evidence of potential sex differences in murine folic acid nephropathy similar to other experimental models of renal injury that are important to consider when using this experimental model of renal injury.
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Affiliation(s)
- Katalin Bartos
- Department of Nephrology and HypertensionBern University HospitalBernSwitzerland
- Department of Biomedical ResearchUniversity of BernBernSwitzerland
- National Center of Competence in Research (NCCR) Kidney Control of Homeostasis (Kidney.CH), University of ZurichZurichSwitzerland
| | - Matthias B. Moor
- Department of Nephrology and HypertensionBern University HospitalBernSwitzerland
- Department of Biomedical ResearchUniversity of BernBernSwitzerland
- National Center of Competence in Research (NCCR) Kidney Control of Homeostasis (Kidney.CH), University of ZurichZurichSwitzerland
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13
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Privratsky JR, Fuller M, Raghunathan K, Ohnuma T, Bartz RR, Schroeder R, Price TM, Martinez MR, Sigurdsson MI, Mathis MR, Naik B, Krishnamoorthy V. Postoperative Acute Kidney Injury by Age and Sex: A Retrospective Cohort Association Study. Anesthesiology 2023; 138:184-194. [PMID: 36512724 PMCID: PMC10439699 DOI: 10.1097/aln.0000000000004436] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
BACKGROUND Acute kidney injury (AKI) after noncardiac surgery is common and has substantial health impact. Preclinical and clinical studies examining the influence of sex on AKI have yielded conflicting results, although they typically do not account for age-related changes. The objective of the study was to determine the association of age and sex groups on postoperative AKI. The authors hypothesized that younger females would display lower risk of postoperative AKI than males of similar age, and the protection would be lost in older females. METHODS This was a multicenter retrospective cohort study across 46 institutions between 2013 and 2019. Participants included adult inpatients without pre-existing end-stage kidney disease undergoing index major noncardiac, nonkidney/urologic surgeries. The authors' primary exposure was age and sex groups defined as females 50 yr or younger, females older than 50 yr, males 50 yr or younger, and males older than 50 yr. The authors' primary outcome was development of AKI by Kidney Disease-Improving Global Outcomes serum creatinine criteria. Exploratory analyses included associations of ascending age groups and hormone replacement therapy home medications with postoperative AKI. RESULTS Among 390,382 patients, 25,809 (6.6%) developed postoperative AKI (females 50 yr or younger: 2,190 of 58,585 [3.7%]; females older than 50 yr: 9,320 of 14,4047 [6.5%]; males 50 yr or younger: 3,289 of 55,503 [5.9%]; males older than 50 yr: 11,010 of 132,447 [8.3%]). When adjusted for AKI risk factors, compared to females younger than 50 yr (odds ratio, 1), the odds of AKI were higher in females older than 50 yr (odds ratio, 1.51; 95% CI, 1.43 to 1.59), males younger than 50 yr (odds ratio, 1.90; 95% CI, 1.79 to 2.01), and males older than 50 yr (odds ratio, 2.06; 95% CI, 1.96 to 2.17). CONCLUSIONS Younger females display a lower odds of postoperative AKI that gradually increases with age. These results suggest that age-related changes in women should be further studied as modifiers of postoperative AKI risk after noncardiac surgery. EDITOR’S PERSPECTIVE
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Affiliation(s)
- Jamie R. Privratsky
- Critical Care and Perioperative Population Health Research (CAPER) Unit, Department of Anesthesiology, Duke University Medical Center, Durham, NC
- Center for Perioperative Organ Protection, Department of Anesthesiology, Duke University Medical Center, Durham, NC, USA
| | - Matthew Fuller
- Critical Care and Perioperative Population Health Research (CAPER) Unit, Department of Anesthesiology, Duke University Medical Center, Durham, NC
| | - Karthik Raghunathan
- Critical Care and Perioperative Population Health Research (CAPER) Unit, Department of Anesthesiology, Duke University Medical Center, Durham, NC
- Durham VA Medical Center, Durham, NC, USA
| | - Tetsu Ohnuma
- Critical Care and Perioperative Population Health Research (CAPER) Unit, Department of Anesthesiology, Duke University Medical Center, Durham, NC
| | - Raquel R. Bartz
- Critical Care and Perioperative Population Health Research (CAPER) Unit, Department of Anesthesiology, Duke University Medical Center, Durham, NC
| | - Rebecca Schroeder
- Critical Care and Perioperative Population Health Research (CAPER) Unit, Department of Anesthesiology, Duke University Medical Center, Durham, NC
- Durham VA Medical Center, Durham, NC, USA
| | - Thomas M. Price
- Department of Obstetrics and Gynecology, Duke University Medical Center, Durham, NC, USA
| | - Michael R. Martinez
- Critical Care and Perioperative Population Health Research (CAPER) Unit, Department of Anesthesiology, Duke University Medical Center, Durham, NC
| | - Martin I. Sigurdsson
- Division of Anesthesia and Intensive Care Medicine, Landspitali -The National University Hospital of Iceland, Reykjavik, Iceland
- Faculty of Medicine, University of Iceland, Reykjavik Iceland
| | - Michael R. Mathis
- Department of Anesthesiology, University of Michigan, Ann Arbor, MI, USA
| | - Bhiken Naik
- Department of Anesthesiology, University of Virginia, Charlottesville, VA, USA
| | - Vijay Krishnamoorthy
- Critical Care and Perioperative Population Health Research (CAPER) Unit, Department of Anesthesiology, Duke University Medical Center, Durham, NC
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14
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Chang WT, Sun CK, Wu JY, Huang PY, Liu TH, Chang YJ, Lin YT, Kang FC, Hung KC. Association of prognostic nutritional index with risk of contrast induced nephropathy: A meta-analysis. Front Nutr 2023; 10:1154409. [PMID: 37032787 PMCID: PMC10076581 DOI: 10.3389/fnut.2023.1154409] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 03/07/2023] [Indexed: 04/11/2023] Open
Abstract
Background Although prognostic nutritional index (PNI) has been frequently applied in patients with malignancy or those during postoperative recovery, whether it is also an optimal indicator of the risk of contrast-induced nephropathy (CIN) in patients receiving coronary angiography remains uncertain. This meta-analysis aimed at investigating the clinical association of PNI with the risk of CIN in patients receiving coronary angiography or percutaneous coronary intervention. Methods Embase, Medline, Cochrane Library, and Google scholar were searched for studies until January 2023. The relationship between CIN risk and PNI (i.e., low vs. high) (primary outcome) as well as other variables (secondary outcomes) were analyzed using a random-effects model. Results Overall, 10 observational studies with 17,590 patients (pooled incidence of CIN: 18%) were eligible for analysis. There was a higher risk of CIN in patients with a low PNI compared to those with a high PNI [odd ratio (OR) = 3.362, 95% confidence interval (CI): 2.054 to 5.505, p < 0.0001, I 2 = 89.6%, seven studies, 12,972 patients, certainty of evidence: very low]. Consistently, a lower PNI was noted in patients with CIN compared to those without (Mean difference = -5.1, 95% CI: -6.87 to -3.33, p < 0.00001, I 2 = 96%, eight studies, 15,516 patients, certainty of evidence: very low). Other risks of CIN included diabetes and hypertension, while male gender and the use of statins were associated with a lower risk of CIN. Patients with CIN were older, had a higher creatinine level, and received a higher contrast volume compared to those without. On the other hand, pre-procedural albumin, estimated glomerular filtration rate, ejection fraction, hemoglobin, lymphocyte ratio were found to be lower in patients with CIN than in those without. Conclusion This meta-analysis highlighted an inverse association of PNI with the risk of CIN, which required further studies for verification. Systematic review registration [https://www.crd.york.ac.uk/prospero/], identifier [CRD42023389185].
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Affiliation(s)
- Wei-Ting Chang
- Division of Cardiology, Department of Internal Medicine, Chi-Mei Medical Center, Tainan City, Taiwan
- Department of Biotechnology, Southern Taiwan University of Science and Technology, Tainan City, Taiwan
- College of Medicine, Institute of Clinical Medicine, National Cheng Kung University, Tainan City, Taiwan
| | - Cheuk-Kwan Sun
- Department of Emergency Medicine, E-Da Hospital, I-Shou University, Kaohsiung City, Taiwan
- School of Medicine for International Students, College of Medicine, I-Shou University, Kaohsiung City, Taiwan
| | - Jheng-Yan Wu
- Department of Nutrition, Chi Mei Medical Center, Tainan City, Taiwan
| | - Po-Yu Huang
- Department of Internal Medicine, Chi Mei Medical Center, Tainan City, Taiwan
| | - Ting-Hui Liu
- Department of General Internal Medicine, Chi Mei Medical Center, Tainan City, Taiwan
| | - Ying-Jen Chang
- Department of Anesthesiology, Chi Mei Medical Center, Tainan City, Taiwan
| | - Yao-Tsung Lin
- Department of Anesthesiology, Chi Mei Medical Center, Tainan City, Taiwan
| | - Fu-Chi Kang
- Department of Anesthesiology, Chi Mei Medical Center, Chiali, Tainan City, Taiwan
| | - Kuo-Chuan Hung
- Department of Anesthesiology, Chi Mei Medical Center, Tainan City, Taiwan
- School of Medicine, College of Medicine, National Sun Yat-sen University, Kaohsiung City, Taiwan
- *Correspondence: Kuo-Chuan Hung,
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15
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Ciarambino T, Crispino P, Giordano M. Gender and Renal Insufficiency: Opportunities for Their Therapeutic Management? Cells 2022; 11:cells11233820. [PMID: 36497080 PMCID: PMC9740491 DOI: 10.3390/cells11233820] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 11/18/2022] [Accepted: 11/24/2022] [Indexed: 11/30/2022] Open
Abstract
Acute kidney injury (AKI) is a major clinical problem associated with increased morbidity and mortality. Despite intensive research, the clinical outcome remains poor, and apart from supportive therapy, no other specific therapy exists. Furthermore, acute kidney injury increases the risk of developing chronic kidney disease (CKD) and end-stage renal disease. Acute tubular injury accounts for the most common intrinsic cause of AKI. The main site of injury is the proximal tubule due to its high workload and energy demand. Upon injury, an intratubular subpopulation of proximal epithelial cells proliferates and restores the tubular integrity. Nevertheless, despite its strong regenerative capacity, the kidney does not always achieve its former integrity and function and incomplete recovery leads to persistent and progressive CKD. Clinical and experimental data demonstrate sexual differences in renal anatomy, physiology, and susceptibility to renal diseases including but not limited to ischemia-reperfusion injury. Some data suggest the protective role of female sex hormones, whereas others highlight the detrimental effect of male hormones in renal ischemia-reperfusion injury. Although the important role of sex hormones is evident, the exact underlying mechanisms remain to be elucidated. This review focuses on collecting the current knowledge about sexual dimorphism in renal injury and opportunities for therapeutic manipulation, with a focus on resident renal progenitor stem cells as potential novel therapeutic strategies.
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Affiliation(s)
- Tiziana Ciarambino
- Internal Medicine Department, Hospital of Marcianise, ASL Caserta, 81031 Caserta, Italy
- Correspondence: (T.C.); (M.G.)
| | - Pietro Crispino
- Emergency Department, Hospital of Latina, ASL Latina, 04100 Latina, Italy
| | - Mauro Giordano
- Department of Advanced Medical and Surgical Science, University of Campania, Luigi Vanvitelli, 80138 Naples, Italy
- Correspondence: (T.C.); (M.G.)
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16
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Ide S, Ide K, Abe K, Kobayashi Y, Kitai H, McKey J, Strausser SA, O'Brien LL, Tata A, Tata PR, Souma T. Sex differences in resilience to ferroptosis underlie sexual dimorphism in kidney injury and repair. Cell Rep 2022; 41:111610. [PMID: 36351395 PMCID: PMC9795409 DOI: 10.1016/j.celrep.2022.111610] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 08/27/2022] [Accepted: 10/14/2022] [Indexed: 11/09/2022] Open
Abstract
In both humans and mice, repair of acute kidney injury is worse in males than in females. Here, we provide evidence that this sexual dimorphism results from sex differences in ferroptosis, an iron-dependent, lipid-peroxidation-driven regulated cell death. Using genetic and single-cell transcriptomic approaches in mice, we report that female sex confers striking protection against ferroptosis, which was experimentally induced in proximal tubular (PT) cells by deleting glutathione peroxidase 4 (Gpx4). Single-cell transcriptomic analyses further identify the NFE2-related factor 2 (NRF2) antioxidant protective pathway as a female resilience mechanism against ferroptosis. Genetic inhibition and pharmacological activation studies show that NRF2 controls PT cell fate and plasticity by regulating ferroptosis. Importantly, pharmacological NRF2 activation protects male PT cells from ferroptosis and improves cellular plasticity as in females. Our data highlight NRF2 as a potential therapeutic target to prevent failed renal repair after acute kidney injury in both sexes by modulating cellular plasticity.
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Affiliation(s)
- Shintaro Ide
- Division of Nephrology, Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Kana Ide
- Division of Nephrology, Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Koki Abe
- Division of Nephrology, Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Yoshihiko Kobayashi
- Department of Cell Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Hiroki Kitai
- Division of Nephrology, Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Jennifer McKey
- Department of Cell Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Sarah A Strausser
- Division of Nephrology, Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Lori L O'Brien
- Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Aleksandra Tata
- Department of Cell Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Purushothama Rao Tata
- Department of Cell Biology, Duke University School of Medicine, Durham, NC 27710, USA; Duke Regeneration Center, Duke University School of Medicine, Durham, NC 27710, USA; Duke Cancer Institute, Duke University School of Medicine, Durham, NC 27710, USA
| | - Tomokazu Souma
- Division of Nephrology, Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA; Duke Regeneration Center, Duke University School of Medicine, Durham, NC 27710, USA.
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17
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Sex disparities in mortality among patients with kidney failure receiving dialysis. Sci Rep 2022; 12:18555. [PMID: 36329070 PMCID: PMC9633833 DOI: 10.1038/s41598-022-16163-w] [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: 03/25/2022] [Accepted: 07/05/2022] [Indexed: 11/06/2022] Open
Abstract
Females are known to have a better survival rate than males in the general population, but previous studies have shown that this superior survival is diminished in patients on dialysis. This study aimed to investigate the risk of mortality in relation to sex among Korean patients undergoing hemodialysis (HD) or peritoneal dialysis (PD). A total of 4994 patients with kidney failure who were receiving dialysis were included for a prospective nationwide cohort study. Cox multivariate proportional hazard models were used to determine the association between sex and the risk of cause-specific mortality according to dialysis modality. During a median follow-up of 5.8 years, the death rate per 100 person-years was 6.4 and 8.3 in females and males, respectively. The female-to-male mortality rate in patients on dialysis was 0.77, compared to 0.85 in the general population. In adjusted analyses, the risk of all-cause mortality was significantly lower for females than males in the entire population (hazard ratio [HR] 0.79, 95% confidence interval [CI] 0.71-0.87, P < 0.001). No significant differences in the risk of cardiovascular and infection-related deaths were observed according to sex. The risk of mortality due to sudden death, cancer, other, or unknown causes was significantly lower for females than males in the entire population (HR 0.66, 95% CI 0.56-0.78, P < 0.001), in patients on HD (HR 0.75, 95% CI 0.62-0.90, P = 0.003), and in patients on PD (HR 0.49, 95% CI 0.34-0.70, P < 0.001). The survival advantage of females in the general population was maintained in Korean dialysis patients, which was attributed to a lower risk of noncardiovascular and noninfectious death.Trial registration: ClinicalTrials.gov Identifier: NCT00931970.
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18
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Krasivskyi I, Ivanov B, Vehrenberg J, Eghbalzadeh K, Gerfer S, Gaisendrees C, Kuhn E, Sabashnikov A, Mader N, Djordjevic I, Wahlers T. Sex-Related Differences in Short-Term Outcomes after Mobile VA-ECMO Implantation: Five-Year Experience of an ECMO Retrieval Program. Life (Basel) 2022; 12:life12111746. [PMID: 36362901 PMCID: PMC9695761 DOI: 10.3390/life12111746] [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: 10/18/2022] [Revised: 10/20/2022] [Accepted: 10/21/2022] [Indexed: 11/06/2022] Open
Abstract
Veno-arterial extracorporeal membrane oxygenation (VA-ECMO) represents an increasingly used method for circulatory support. Despite the ongoing research, survival following VA-ECMO therapy remains low. Sex-related differences might impact the outcome of therapeutic measures. We aimed to compare all-cause mortality among female and male patients who underwent VA-ECMO as a bridge to recovery investigating sex-related differences. From January 2015 until August 2020, 87 patients were supported by VA-ECMO as a part of our out-of-center mobile ECMO program. In order to analyze sex-associated differences in early clinical outcomes, patients were divided into two sex categories: men (n = 62) and women (n = 25). All relevant data (in-hospital mortality, ICU and hospital stay, renal failure requiring dialysis, lung failure, bleeding, stroke and septic shock) were analyzed retrospectively after the extraction from our institutional database. Mean age of the study population was 53 ± 14 years. Mean EuroSCORE II predicted mortality was 6.5 ± 3.7. In-hospital mortality rate was not significantly lower in the female group (58.3%) vs. the male group (71.2%), p = 0.190. The mean length of ICU and hospital stay was 9 ± 11 in the male group vs. 10 ± 13 in the female group, p = 0.901, and 10 ± 12 (male group) vs. 11 ± 13 (female group), p = 0.909, respectively. Renal failure requiring hemodialysis (36.2% (males) vs. 28.6% (females), p = 0.187) was comparable between both groups. Respiratory failure was diagnosed in 31 (56.4%) male vs. 8 (34.8%) female patients, p = 0.068, while 16 (28.6%) male vs. 3 (13.0%) female patients (p = 0.118) suffered from septic shock. Based on our data, there were no sex-specific outcome discrepancies in patients treated with mobile VA-ECMO implantation.
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Affiliation(s)
- Ihor Krasivskyi
- Department of Cardiothoracic Surgery, University Hospital Cologne, 50937 Cologne, Germany
- Correspondence: ; Tel.: +49-176-353-88-719
| | - Borko Ivanov
- Department of Cardiothoracic Surgery, Helios Hospital Siegburg, 53721 Siegburg, Germany
| | - Johannes Vehrenberg
- Department of Cardiothoracic Surgery, University Hospital Cologne, 50937 Cologne, Germany
| | - Kaveh Eghbalzadeh
- Department of Cardiothoracic Surgery, University Hospital Cologne, 50937 Cologne, Germany
| | - Stephen Gerfer
- Department of Cardiothoracic Surgery, University Hospital Cologne, 50937 Cologne, Germany
| | | | - Elmar Kuhn
- Department of Cardiothoracic Surgery, University Hospital Cologne, 50937 Cologne, Germany
| | - Anton Sabashnikov
- Department of Cardiothoracic Surgery, University Hospital Cologne, 50937 Cologne, Germany
| | - Navid Mader
- Department of Cardiothoracic Surgery, University Hospital Cologne, 50937 Cologne, Germany
| | - Ilija Djordjevic
- Department of Cardiothoracic Surgery, University Hospital Cologne, 50937 Cologne, Germany
| | - Thorsten Wahlers
- Department of Cardiothoracic Surgery, University Hospital Cologne, 50937 Cologne, Germany
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Russo GT, Manicardi V, Rossi MC, Orsi E, Solini A. Sex- and gender-differences in chronic long-term complications of type 1 and type 2 diabetes mellitus in Italy. Nutr Metab Cardiovasc Dis 2022; 32:2297-2309. [PMID: 36064685 DOI: 10.1016/j.numecd.2022.08.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 08/02/2022] [Accepted: 08/10/2022] [Indexed: 10/15/2022]
Abstract
AIMS This review summarizes the contribution of Italian diabetologists devoted to a better understanding of the complex relationship linking sex/gender and long-term complications of type 1 (T1DM) and type 2 diabetes (T2DM) over the last fifteen years. DATA SYNTHESIS Microvascular and macrovascular complications of diabetes show sex- and gender-related differences, involving pathophysiological mechanisms, epidemiological features and clinical presentation, due to the interaction between biological and psychosocial factors. These differences greatly impact on the progression of diabetes and its long-term complications, especially in the cardiovascular, renal and liver districts. CONCLUSION A better knowledge of such sex- and gender-related characteristics is required for a more precise patient phenotypization, and for the choice of a personalized antihyperglycemic treatment. Despite such mounting evidence, current diabetes clinical guidelines do not as yet adequately consider sex/gender differences.
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Affiliation(s)
- G T Russo
- Department of Clinical and Experimental Medicine, University of Messina, Italy.
| | | | - M C Rossi
- CORESEARCH - Center for Outcomes Research and Clinical Epidemiology, Pescara, Italy
| | - E Orsi
- IRCCS Foundation Cà Grande Ospedale Maggiore, Milan, Italy
| | - A Solini
- Department of Surgical, Medical, Molecular and Critical Area Pathology, University of Pisa, Italy.
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20
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Gohar EY, Almutlaq RN, Fan C, Balkawade RS, Butt MK, Curtis LM. Does G Protein-Coupled Estrogen Receptor 1 Contribute to Cisplatin-Induced Acute Kidney Injury in Male Mice? Int J Mol Sci 2022; 23:ijms23158284. [PMID: 35955435 PMCID: PMC9368456 DOI: 10.3390/ijms23158284] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 07/18/2022] [Accepted: 07/21/2022] [Indexed: 12/04/2022] Open
Abstract
Nephrotoxicity is the dose-limiting side-effect of the chemotherapeutic agent cisplatin (Cp). Recent evidence points to renal protective actions of G protein-coupled estrogen receptor 1 (GPER1). In addition, it has been shown that GPER1 signaling elicits protective actions against acute ischemic injuries that involve multiple organ systems; however, the involvement of GPER1 signaling in Cp-induced acute kidney injury (AKI) remains unclear. This study tested whether genetic deletion of GPER1 exacerbates Cp-induced AKI in male mice. We subjected male mice, homozygous (homo) and heterozygous (het) knockout for the GPER1 gene, and wild-type (WT) littermates to Cp or saline injections and assessed markers for renal injury on the third day after injections. We also determined serum levels of proinflammatory markers in saline and Cp-treated mice. Given the protective role of heme oxygenase-1 (HO-1) in Cp-mediated apoptosis, we also investigated genotypic differences in renal HO-1 abundance, cell death, and proliferation by Western blotting, the TUNEL assay, and Ki67 immunostaining, respectively. Cp increased serum creatinine, urea, and neutrophil gelatinase-associated lipocalin (NGAL) levels, the renal abundance of kidney injury molecule-1, and NGAL in all groups. Cp-induced AKI resulted in comparable histological evidence of injury in all genotypes. WT and homo mice showed greater renal HO-1 abundance in response to Cp. Renal HO-1 abundance was lower in Cp-treated homo, compared to Cp-treated WT mice. Of note, GPER1 deletion elicited a remarkable increase in renal apoptosis; however, no genotypic differences in cell proliferation were observed. Cp augmented kidney Ki67-positive counts, regardless of the genotype. Overall, our data do not support a role for GPER1 in mediating Cp-induced renal injury. GPER1 deletion promotes renal apoptosis and diminishes HO-1 induction in response to Cp, suggesting that GPER1 may play cytoprotective and anti-apoptotic actions in AKI. GPER1-induced regulation of HO-1 and apoptosis may offer novel therapeutic targets for the treatment of AKI.
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Affiliation(s)
- Eman Y. Gohar
- Division of Nephrology and Hypertension, Vanderbilt University Medical Center, Nashville, TN 37232, USA
- Correspondence: ; Tel.: +1-615-875-0623
| | - Rawan N. Almutlaq
- Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294, USA; (R.N.A.); (C.F.); (R.S.B.); (M.K.B.); (L.M.C.)
| | - Chunlan Fan
- Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294, USA; (R.N.A.); (C.F.); (R.S.B.); (M.K.B.); (L.M.C.)
| | - Rohan S. Balkawade
- Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294, USA; (R.N.A.); (C.F.); (R.S.B.); (M.K.B.); (L.M.C.)
| | - Maryam K. Butt
- Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294, USA; (R.N.A.); (C.F.); (R.S.B.); (M.K.B.); (L.M.C.)
| | - Lisa M. Curtis
- Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294, USA; (R.N.A.); (C.F.); (R.S.B.); (M.K.B.); (L.M.C.)
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21
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Chen J, Luo P, Wang C, Yang C, Bai Y, He X, Zhang Q, Zhang J, Yang J, Wang S, Wang J. Integrated single-cell transcriptomics and proteomics reveal cellular-specific response and microenvironment remodeling in aristolochic acid nephropathy. JCI Insight 2022; 7:157360. [PMID: 35852860 PMCID: PMC9462482 DOI: 10.1172/jci.insight.157360] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 07/14/2022] [Indexed: 11/30/2022] Open
Abstract
Aristolochic acid nephropathy (AAN) is characterized by acute proximal tubule necrosis and immune cell infiltration, contributing to the global burden of chronic kidney disease and urothelial cancer. Although the proximal tubule has been defined as the primary target of aristolochic acids I (AAI), the mechanistic underpinning of gross renal deterioration caused by AAI has not been explicitly explained, prohibiting effective therapeutic intervention. To this point, we employed integrated single-cell RNA-Seq, bulk RNA-Seq, and mass spectrometry–based proteomics to analyze the mouse kidney after acute AAI exposure. Our results reveal a dramatic reduction of proximal tubule epithelial cells, associated with apoptotic and inflammatory pathways, indicating permanent damage beyond repair. We found the enriched development pathways in other nephron segments, suggesting activation of reparative programs triggered by AAI. The divergent response may be attributed to the segment-specific distribution of organic anion channels along the nephron, including OAT1 and OAT3. Moreover, we observed dramatic activation and recruitment of cytotoxic T and macrophage M1 cells, highlighting inflammation as a principal contributor to permanent renal injury. Ligand-receptor pairing revealed that critical intercellular crosstalk underpins damage-induced activation of immune cells. These results provide potentially novel insight into the AAI-induced kidney injury and point out possible pathways for future therapeutic intervention.
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Affiliation(s)
- Jiayun Chen
- Artemisinin Research Center and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Piao Luo
- Artemisinin Research Center and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Chen Wang
- Artemisinin Research Center and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Chuanbin Yang
- Department of Geriatrics, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, Guangdong, China
| | - Yunmeng Bai
- Department of Geriatrics, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, Guangdong, China
| | - Xueling He
- Artemisinin Research Center and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Qian Zhang
- Artemisinin Research Center and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Junzhe Zhang
- Artemisinin Research Center and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Jing Yang
- Department of Geriatrics, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, Guangdong, China
| | - Shuang Wang
- Department of Geriatrics, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, Guangdong, China
| | - Jigang Wang
- Artemisinin Research Center and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
- Department of Geriatrics, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, Guangdong, China
- Center for Reproductive Medicine, Dongguan Maternal and Child Health Care Hospital, Southern Medical University, Dongguan, Guangdong, China
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22
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Berkowitz RJ, Engoren MC, Mentz G, Sharma P, Kumar SS, Davis R, Kheterpal S, Sonnenday CJ, Douville NJ. Intraoperative risk factors of acute kidney injury after liver transplantation. Liver Transpl 2022; 28:1207-1223. [PMID: 35100664 PMCID: PMC9321139 DOI: 10.1002/lt.26417] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 01/06/2022] [Accepted: 01/10/2022] [Indexed: 01/13/2023]
Abstract
Acute kidney injury (AKI) is one of the most common complications of liver transplantation (LT). We examined the impact of intraoperative management on risk for AKI following LT. In this retrospective observational study, we linked data from the electronic health record with standardized transplant outcomes. Our primary outcome was stage 2 or 3 AKI as defined by Kidney Disease Improving Global Outcomes guidelines within the first 7 days of LT. We used logistic regression models to test the hypothesis that the addition of intraoperative variables, including inotropic/vasopressor administration, transfusion requirements, and hemodynamic markers improves our ability to predict AKI following LT. We also examined the impact of postoperative AKI on mortality. Of the 598 adult primary LT recipients included in our study, 43% (n = 255) were diagnosed with AKI within the first 7 postoperative days. Several preoperative and intraoperative variables including (1) electrolyte/acid-base balance disorder (International Classification of Diseases, Ninth Revision codes 253.6 or 276.x and International Classification of Diseases, Tenth Revision codes E22.2 or E87.x, where x is any digit; adjusted odds ratio [aOR], 1.917, 95% confidence interval [CI], 1.280-2.869; p = 0.002); (2) preoperative anemia (aOR, 2.612; 95% CI, 1.405-4.854; p = 0.002); (3) low serum albumin (aOR, 0.576; 95% CI, 0.410-0.808; p = 0.001), increased potassium value during reperfusion (aOR, 1.513; 95% CI, 1.103-2.077; p = 0.01), and lactate during reperfusion (aOR, 1.081; 95% CI, 1.003-1.166; p = 0.04) were associated with posttransplant AKI. New dialysis requirement within the first 7 days postoperatively predicted the posttransplant mortality. Our study identified significant association between several potentially modifiable variables with posttransplant AKI. The addition of intraoperative data did not improve overall model discrimination.
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Affiliation(s)
- Rachel J. Berkowitz
- Surgical Analytics and Population HealthData Analytics and ReportingLurie Children’s Hospital of ChicagoChicagoIllinoisUSA
| | - Milo C. Engoren
- Department of AnesthesiologyMichigan MedicineAnn ArborMichiganUSA
| | - Graciela Mentz
- Department of AnesthesiologyMichigan MedicineAnn ArborMichiganUSA
| | - Pratima Sharma
- Division of GastroenterologyDepartment of Internal MedicineMichigan MedicineAnn ArborMichiganUSA
| | - Sathish S. Kumar
- Department of AnesthesiologyMichigan MedicineAnn ArborMichiganUSA
| | - Ryan Davis
- Department of AnesthesiologyMichigan MedicineAnn ArborMichiganUSA
| | - Sachin Kheterpal
- Department of AnesthesiologyMichigan MedicineAnn ArborMichiganUSA
| | - Christopher J. Sonnenday
- Division of Transplantation SurgeryDepartment of SurgeryMichigan MedicineAnn ArborMichiganUSA,School of Public HealthUniversity of MichiganAnn ArborMichiganUSA
| | - Nicholas J. Douville
- Department of AnesthesiologyMichigan MedicineAnn ArborMichiganUSA,Institute of Healthcare Policy & InnovationUniversity of MichiganAnn ArborMichiganUSA
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23
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Liao KW, Chien LC, Chen YC, Kao HC. Sex-specific differences in early renal impairment associated with arsenic, lead, and cadmium exposure among young adults in Taiwan. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:52655-52664. [PMID: 35274206 PMCID: PMC8911167 DOI: 10.1007/s11356-022-19521-3] [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: 10/25/2021] [Accepted: 02/25/2022] [Indexed: 05/06/2023]
Abstract
Exposure to a single metal has been reported to damage renal function in humans. However, information regarding the association between multiple-metal exposure and markers for early renal impairment in different sexes among the young adult Taiwanese population is scarce. We assessed the association between exposure to arsenic (As), cadmium (Cd), and lead (Pb), and early renal impairment markers using urinary microalbumin (MA), β2-microglobulin (β2MG), and N-acetyl-beta-D-glucosaminidase (NAG) by analyzing 157 young adults aged 20‒29 years, in Taiwan. Inductively coupled plasma mass spectrometry was used to determine urinary As, Cd, and Pb levels. Regression models were applied to different sex groups. The results showed that after adjusting for potential confounding factors and each metal, urinary Cd levels were significantly positively associated with urinary MA (β = 0.523, 95% CI: 0.147-0.899) and β2MG (β = 1.502, 95% CI: 0.635-2.370) in males. However, the urinary Cd level was significantly positively associated with only urinary NAG (β = 0.161, 95% CI: 0.027-0.296) in females. This study thus indicates that the effect of exposure to metals (especially Cd) on early renal impairment among young adults in Taiwan is sex-specific. Our study results could contribute toward developing early intervention programs for decreasing the incidence of renal dysfunction. Further studies are warranted to confirm our findings and clarify the potential mechanisms involved.
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Affiliation(s)
- Kai-Wei Liao
- School of Food Safety, College of Nutrition, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan.
- Research Center of Food Safety Inspection and Function Development, Taipei Medical University, Taipei, Taiwan.
| | - Ling-Chu Chien
- School of Public Health, College of Public Health, Taipei Medical University, Taipei, Taiwan
| | - Yang-Ching Chen
- Department of Family Medicine, Taipei Medical University Hospital, Taipei, Taiwan
- Department of Family Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Ho-Ching Kao
- Master Program in Food Safety, College of Nutrition, Taipei Medical University, Taipei, Taiwan
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24
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Caloric restriction reduces the pro-inflammatory eicosanoid 20- hydroxyeicosatetraenoic acid to protect from acute kidney injury. Kidney Int 2022; 102:560-576. [PMID: 35654224 DOI: 10.1016/j.kint.2022.04.033] [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: 04/13/2021] [Revised: 04/13/2022] [Accepted: 04/22/2022] [Indexed: 11/22/2022]
Abstract
Acute kidney injury is a frequent complication in the clinical setting and associated with significant morbidity and mortality. Preconditioning with short-term caloric restriction is highly protective against kidney injury in rodent ischemia reperfusion injury models. However, the underlying mechanisms are unknown hampering clinical translation. Here, we examined the molecular basis of caloric restriction-mediated protection to elucidate the principles of kidney stress resistance. Analysis of an RNAseq dataset after caloric restriction identified Cyp4a12a, a cytochrome exclusively expressed in male mice, to be strongly downregulated after caloric restriction. Kidney ischemia reperfusion injury robustly induced acute kidney injury in male mice and this damage could be markedly attenuated by pretreatment with caloric restriction. In females, damage was significantly less pronounced and preconditioning with caloric restriction had only little effect. Tissue concentrations of the metabolic product of Cyp4a12a, 20-hydroxyeicosatetraenoic acid (20-HETE), were found to be significantly reduced by caloric restriction. Conversely, intraperitoneal supplementation of 20-HETE in preconditioned males partly abrogated the protective potential of caloric restriction. Interestingly, this effect was accompanied by a partial reversal of caloric restriction-induced changes in protein but not RNA expression pointing towards inflammation, endoplasmic reticulum stress and lipid metabolism. Thus, our findings provide an insight into the mechanisms underlying kidney protection by caloric restriction. Hence, understanding the mediators of preconditioning is an important pre-requisite for moving towards translation to the clinical setting.
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25
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Ren L, Li F, Di Z, Xiong Y, Zhang S, Ma Q, Bian X, Lang Z, Ye Q, Wang Y. Estradiol Ameliorates Acute Kidney Ischemia-Reperfusion Injury by Inhibiting the TGF-βRI-SMAD Pathway. Front Immunol 2022; 13:822604. [PMID: 35281024 PMCID: PMC8907449 DOI: 10.3389/fimmu.2022.822604] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 01/17/2022] [Indexed: 12/16/2022] Open
Abstract
Renal ischemia–reperfusion injury (IRI) is less extensive in females than males in both animals and humans; however, this protection diminishes after menopause, suggesting that estrogen plays a pivotal role in IRI, but the underlying mechanism remains largely unknown. Our study found that 45 min of warm ischemia was sufficient to induce significant pathological changes without causing death in model animals. Compared with male rats, female rats exhibited less extensive apoptosis, kidney injury, and fibrosis; these effects were worsened in ovariectomized (OVX) rats and ameliorated upon estradiol (E2) supplementation. Furthermore, the levels of TGF-βRI, but not TGF-βRII or TGF-β1, were significantly increased in OVX rats, accompanied by phosphorylated SMAD2/3 activation. Interestingly, the alteration trend of the nuclear ERα level was opposite that of TGF-βRI. Furthermore, dual luciferase reporter and chromatin immunoprecipitation assays showed that ERα could bind to the promoter region of TGF-βRI and negatively regulate its mRNA expression. Moreover, an in vitro study using NRK-52E cells showed that ERα knockdown blocked E2-mediated protection, while TGF-βRI knockdown protected cells against hypoxic insult. The findings of this study suggest that renal IRI is closely related to the TGF-βRI-SMAD pathway in females and that E2 exert its protective effect via the ERα-mediated transcriptional inhibition of TGF-βRI expression.
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Affiliation(s)
- Lian Ren
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan, China.,Department of General Surgery, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Fang Li
- Eye Center, Renmin Hospital of Wuhan University, Wuhan, China
| | - Ziyang Di
- Department of Gastrointestinal Surgery & Department of Gastric and Colorectal Surgical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yan Xiong
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan, China
| | - Shichen Zhang
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan, China
| | - Qing Ma
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan, China
| | - Xiaoen Bian
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan, China
| | - Zhiquan Lang
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan, China
| | - Qifa Ye
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan, China
| | - Yanfeng Wang
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan, China
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26
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Wu XL, Long WM, Lu Q, Teng XQ, Qi TT, Qu Q, He GF, Qu J. Polymyxin B-Associated Nephrotoxicity and Its Predictors: A Retrospective Study in Carbapenem-Resistant Gram-Negative Bacterial Infections. Front Pharmacol 2022; 13:672543. [PMID: 35571125 PMCID: PMC9096016 DOI: 10.3389/fphar.2022.672543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 03/31/2022] [Indexed: 11/13/2022] Open
Abstract
Polymyxin B (PMB), a kind of polymyxin, was widely used in carbapenem-resistant Gram-negative bacterial (CR-GNB) infections. However, adverse reactions such as nephrotoxicity and neurotoxicity limit its use in clinical practice. The aim of this study was to explore PMB associated with nephrotoxicity and its predictors. Patients who received PMB intravenous drip for more than 72 h were eligible for the study. Characteristics of patients, concomitant nephrotoxic agents, underlying disease, and antimicrobial susceptibility were submitted for descriptive analysis. Univariate analysis and binary logistic regression were used to assess the factors leading to acute kidney injury (AKI). AKI was assessed with serum creatinine variations according to the classification of risk (stage R), injury (stage I), failure (stage F), loss, and end-stage of kidney disease. Among 234 patients with CR-GNB infections who used PMB in our study, 67 (28.63%) patients developed AKI, including 31 (14.25%) patients in stage R, 15 (6.41%) patients in stage I, and 21 (8.97%) patients in stage F. The incident rate of PMB-related nephrotoxicity in patients with normal renal function was 32.82% (43/131). The higher risk factors of AKI include males [odds ratio (OR) = 3.237; 95% confidence interval (95%CI) = 1.426–7.350], digestive system diseases [OR = 2.481 (1.127–5.463)], using furosemide (>20 mg/day) [OR = 2.473 (1.102–5.551)], and baseline serum creatinine [OR = 0.994 (0.990–0.999)]. Nonparametric tests of K-independent samples showed that baseline serum creatinine and the PMB maintenance dose were associated with the severity of nephrotoxicity (both p < 0.05). Male, digestive system diseases, using furosemide (>20 mg/day), and high baseline serum creatinine were the independent risk factors of PMB-associated AKI development. The maintenance dose of PMB may be related to the severity of AKI. These risk factors should be taken into consideration when initiating PMB-based therapy. The serum creatinine value should be closely monitored when using PMB.
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Affiliation(s)
- Xiao-Li Wu
- Department of Pharmacy, The Second Xiangya Hospital, Institute of Clinical Pharmacy, Central South University, Changsha, China
- Department of Pharmacy, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Wen-Ming Long
- Department of Pharmacy, Second People’s Hospital of Huaihua City, Huaihua, China
| | - Qiong Lu
- Department of Pharmacy, The Second Xiangya Hospital, Institute of Clinical Pharmacy, Central South University, Changsha, China
| | - Xin-Qi Teng
- Department of Pharmacy, The Second Xiangya Hospital, Institute of Clinical Pharmacy, Central South University, Changsha, China
| | - Ting-Ting Qi
- Department of Pharmacy, The Second Xiangya Hospital, Institute of Clinical Pharmacy, Central South University, Changsha, China
| | - Qiang Qu
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, China
| | - Ge-Fei He
- Department of Pharmacy, The First Hospital of Changsha, Changsha, China
| | - Jian Qu
- Department of Pharmacy, The Second Xiangya Hospital, Institute of Clinical Pharmacy, Central South University, Changsha, China
- *Correspondence: Jian Qu,
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27
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Hasslacher J, Ulmer H, Lehner G, Klein S, Mayerhoefer T, Bellmann R, Joannidis M. Postresuscitation care and prognostication after cardiac arrest-Does sex matter? Wien Klin Wochenschr 2022; 134:617-625. [PMID: 35380262 PMCID: PMC9489581 DOI: 10.1007/s00508-022-02026-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Accepted: 03/07/2022] [Indexed: 12/19/2022]
Abstract
Background There are conflicting results concerning sex-specific differences in the post-cardiac arrest period. We investigated the sex distribution of patients after successful cardiopulmonary resuscitation (CPR), differences in treatment, complications, outcome and sex-specific performance of biomarkers for prognostication of neurological outcome. Methods Prospective observational study including cardiac-arrest (CA) patients treated with mild therapeutic hypothermia (MTH) at 33 °C for 24 h or normothermia. We investigated common complications including pneumonia and acute kidney injury (AKI) and neuron-specific enolase, secretoneurin and tau protein as biomarkers of neurological outcome, which was assessed with the cerebral performance categories score at hospital discharge. Results Out of 134 patients 26% were female. Women were significantly older (73 years, interquartile range (IQR) 56–79 years vs. 62 years, IQR 53–70 years; p = 0.038), whereas men showed a significantly higher rate of pneumonia (29% vs. 6%; p = 0.004) and a trend towards higher rates of AKI (62% vs. 45%; p = 0.091). Frequency of MTH treatment was not significantly different (48% vs. 31%; p = 0.081). Female sex was not associated with neurological outcome in multivariable analysis (p = 0.524). There was no significant interaction of sex with prognostication of neurological outcome at 24, 48 and 72 h after CPR. At the respective time intervals pinteraction for neuron-specific enolase was 0.524, 0.221 and 0.519, for secretoneurin 0.893, 0.573 and 0.545 and for tau protein 0.270, 0.635, and 0.110. Conclusion The proportion of female patients was low. Women presented with higher age but had fewer complications during the post-CA period. Female sex was not associated with better neurological outcome. The performance of biomarkers is not affected by sex. Supplementary Information The online version of this article (10.1007/s00508-022-02026-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Julia Hasslacher
- Division of Intensive Care and Emergency Medicine, Department of Internal Medicine I, Medical University Innsbruck, Anichstr. 35, 6020, Innsbruck, Austria
| | - Hanno Ulmer
- Department of Medical Statistics, Informatics and Health Economics, Medical University Innsbruck, Schöpfstr. 41/1, 6020, Innsbruck, Austria
| | - Georg Lehner
- Division of Intensive Care and Emergency Medicine, Department of Internal Medicine I, Medical University Innsbruck, Anichstr. 35, 6020, Innsbruck, Austria
| | - Sebastian Klein
- Division of Intensive Care and Emergency Medicine, Department of Internal Medicine I, Medical University Innsbruck, Anichstr. 35, 6020, Innsbruck, Austria
| | - Timo Mayerhoefer
- Division of Intensive Care and Emergency Medicine, Department of Internal Medicine I, Medical University Innsbruck, Anichstr. 35, 6020, Innsbruck, Austria
| | - Romuald Bellmann
- Division of Intensive Care and Emergency Medicine, Department of Internal Medicine I, Medical University Innsbruck, Anichstr. 35, 6020, Innsbruck, Austria
| | - Michael Joannidis
- Division of Intensive Care and Emergency Medicine, Department of Internal Medicine I, Medical University Innsbruck, Anichstr. 35, 6020, Innsbruck, Austria.
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28
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Singh R, Nasci VL, Guthrie G, Ertuglu LA, Butt MK, Kirabo A, Gohar EY. Emerging Roles for G Protein-Coupled Estrogen Receptor 1 in Cardio-Renal Health: Implications for Aging. Biomolecules 2022; 12:biom12030412. [PMID: 35327604 PMCID: PMC8946600 DOI: 10.3390/biom12030412] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 02/25/2022] [Accepted: 03/01/2022] [Indexed: 02/05/2023] Open
Abstract
Cardiovascular (CV) and renal diseases are increasingly prevalent in the United States and globally. CV-related mortality is the leading cause of death in the United States, while renal-related mortality is the 8th. Despite advanced therapeutics, both diseases persist, warranting continued exploration of disease mechanisms to develop novel therapeutics and advance clinical outcomes for cardio-renal health. CV and renal diseases increase with age, and there are sex differences evident in both the prevalence and progression of CV and renal disease. These age and sex differences seen in cardio-renal health implicate sex hormones as potentially important regulators to be studied. One such regulator is G protein-coupled estrogen receptor 1 (GPER1). GPER1 has been implicated in estrogen signaling and is expressed in a variety of tissues including the heart, vasculature, and kidney. GPER1 has been shown to be protective against CV and renal diseases in different experimental animal models. GPER1 actions involve multiple signaling pathways: interaction with aldosterone and endothelin-1 signaling, stimulation of the release of nitric oxide, and reduction in oxidative stress, inflammation, and immune infiltration. This review will discuss the current literature regarding GPER1 and cardio-renal health, particularly in the context of aging. Improving our understanding of GPER1-evoked mechanisms may reveal novel therapeutics aimed at improving cardio-renal health and clinical outcomes in the elderly.
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Affiliation(s)
- Ravneet Singh
- Division of Nephrology and Hypertension, Vanderbilt University Medical Center, Medical Research Building IV, Nashville, TN 37232, USA; (R.S.); (V.L.N.)
| | - Victoria L. Nasci
- Division of Nephrology and Hypertension, Vanderbilt University Medical Center, Medical Research Building IV, Nashville, TN 37232, USA; (R.S.); (V.L.N.)
| | - Ginger Guthrie
- Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35233, USA; (G.G.); (M.K.B.)
| | - Lale A. Ertuglu
- Division of Clinical Pharmacology, Vanderbilt University Medical Center, Nashville, TN 37232, USA; (L.A.E.); (A.K.)
| | - Maryam K. Butt
- Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35233, USA; (G.G.); (M.K.B.)
| | - Annet Kirabo
- Division of Clinical Pharmacology, Vanderbilt University Medical Center, Nashville, TN 37232, USA; (L.A.E.); (A.K.)
| | - Eman Y. Gohar
- Division of Nephrology and Hypertension, Vanderbilt University Medical Center, Medical Research Building IV, Nashville, TN 37232, USA; (R.S.); (V.L.N.)
- Correspondence:
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Association of severity and mortality of Covid-19 cases among acute kidney injury and sexual dimorphism. Mol Biol Rep 2022; 49:6753-6762. [PMID: 35249167 PMCID: PMC8898193 DOI: 10.1007/s11033-022-07308-1] [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: 12/28/2021] [Accepted: 02/24/2022] [Indexed: 11/26/2022]
Abstract
Introduction The outbreak of coronavirus disease 2019 (Covid-19) severely impacted global health and economic status. The native receptor-ligand interaction of Angiotensin-converting enzyme 2 (ACE2) and S protein induces host cell pathogenesis via immunosuppression. Material and Methods The emerging evidence reports the sex disparity in Covid-19 induced mortality rate which affects abundantly men population. Although the biological interaction of Covid-19 with receptor upregulates the viral genome protein interactions and initiates the predictive multiorgan failure followed by acute kidney injury (AKI) in Covid-19 infected male population. Conclusion Besides, the knowledge and lessons learned from the study depict that cellular and molecular links may explain the risk and severity of Covid-19 and AKI in the male population and lead to management of Covid-19 induced AKI. Therefore, this review explored the pathways associated with the pathogenesis of two diseased conditions with sex disparity.
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Abstract
Female sex confers renoprotection in chronic progressive kidney disease. It is less well recognized that sexual dimorphism also is evident in the development of ischemic and nephrotoxic acute kidney injury (AKI). Animal studies consistently have shown that female sex protects against the development of renal injury in experimental models of ischemic AKI. However, the consensus opinion is that in human beings, female sex is an independent risk factor for AKI. Based on a systematic review of experimental and clinical literature, we present data to support the conclusion that, contrary to consensus opinion, it is male sex, not female sex, that is associated with the development of AKI.
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Affiliation(s)
- Joel Neugarten
- Renal Division, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY.
| | - Ladan Golestaneh
- Renal Division, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY
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Sridhar VS, Yau K, Benham JL, Campbell DJT, Cherney DZI. Sex and Gender Related Differences in Diabetic Kidney Disease. Semin Nephrol 2022; 42:170-184. [PMID: 35718364 DOI: 10.1016/j.semnephrol.2022.04.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Diversity in sex and gender are important considerations in the pathogenesis, prognostication, research, and management of diabetic kidney disease (DKD). Sex and gender differences in the disease risk, disease-specific mechanisms, and outcomes in DKD may be attributed to biological differences between males and females at the cellular and tissue level, inconsistencies in the diagnostic and assessment tools used in chronic kidney disease and DKD, as well societal differences in the way men, women, and gender-diverse individuals self-manage and interact with health care systems. This review outlines key considerations related to the impact of sex on DKD, specifically elaborating on how they contribute to observed differences in disease epidemiology, pathogenesis, and treatment strategies. We also highlight the effect of gender on DKD progression and care.
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Affiliation(s)
- Vikas S Sridhar
- Division of Nephrology, Department of Medicine, University Health Network, Toronto, Ontario, Canada; Department of Medicine, University of Toronto, Toronto, Ontario, Canada; Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta
| | - Kevin Yau
- Division of Nephrology, Department of Medicine, University Health Network, Toronto, Ontario, Canada; Department of Medicine, University of Toronto, Toronto, Ontario, Canada; Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta; Department of Cardiac Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta
| | - Jamie L Benham
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta; Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada; Department of Cardiac Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta
| | - David J T Campbell
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta; Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada; Department of Cardiac Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta.
| | - David Z I Cherney
- Division of Nephrology, Department of Medicine, University Health Network, Toronto, Ontario, Canada; Department of Medicine, University of Toronto, Toronto, Ontario, Canada; Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta; Department of Cardiac Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta
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Samaan F, Carneiro de Paula E, de Lima Souza FBG, Mendes LFC, Rossi PRG, Freitas RAP, Nakagawa FT, Maciel AT, Aranha S, Osawa E, Konigsfeld HP, da Silva RG, de Souza RBC, Coutinho SM, Vieira TD, Thomaz KDB, Flato EMS, da Silva RC, Andrade LV, Badaoui M, Badaoui EP, Goes MÂ, do Amaral SH, Cunha K, Muniz IM, Sampaio JS, Durão Junior MDS, Zanetta DMT, Burdmann EA. COVID-19-associated acute kidney injury patients treated with renal replacement therapy in the intensive care unit: A multicenter study in São Paulo, Brazil. PLoS One 2022; 17:e0261958. [PMID: 35030179 PMCID: PMC8759670 DOI: 10.1371/journal.pone.0261958] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 12/15/2021] [Indexed: 12/29/2022] Open
Abstract
INTRODUCTION Multicenter studies involving patients with acute kidney injury (AKI) associated with the disease caused by the new coronavirus (COVID-19) and treated with renal replacement therapy (RRT) in developing countries are scarce. The objectives of this study were to evaluate the demographic profile, clinical picture, risk factors for mortality, and outcomes of critically ill patients with AKI requiring dialysis (AKI-RRT) and with COVID-19 in the megalopolis of São Paulo, Brazil. METHODS This multicenter, retrospective, observational study was conducted in the intensive care units of 13 public and private hospitals in the metropolitan region of the municipality of São Paulo. Patients hospitalized in an intensive care unit, aged ≥ 18 years, and treated with RRT due to COVID-19-associated AKI were included. RESULTS The study group consisted of 375 patients (age 64.1 years, 68.8% male). Most (62.1%) had two or more comorbidities: 68.8%, arterial hypertension; 45.3%, diabetes; 36.3%, anemia; 30.9%, obesity; 18.7%, chronic kidney disease; 15.7%, coronary artery disease; 10.4%, heart failure; and 8.5%, chronic obstructive pulmonary disease. Death occurred in 72.5% of the study population (272 patients). Among the 103 survivors, 22.3% (23 patients) were discharged on RRT. In a multiple regression analysis, the independent factors associated with death were the number of organ dysfunctions at admission and RRT efficiency. CONCLUSION AKI-RRT associated with COVID-19 occurred in patients with an elevated burden of comorbidities and was associated with high mortality (72.5%). The number of organ dysfunctions during hospitalization and RRT efficiency were independent factors associated with mortality. A meaningful portion of survivors was discharged while dependent on RRT (22.3%).
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Affiliation(s)
- Farid Samaan
- Department of High Complexity Patients, Grupo NotreDame Intermédica, São Paulo, Brazil
- Nephrology Division, University of São Paulo Medical School, São Paulo, Brazil
- Nephrology Division, Federal University of São Paulo, São Paulo, Brazil
- Planning and Evaluation Group, São Paulo State Health Department, São Paulo, Brazil
| | | | | | | | | | | | | | | | - Sylvia Aranha
- Imed Research Group, São Camilo Pompeia Hospital, São Paulo, Brazil
| | - Eduardo Osawa
- Imed Research Group, São Camilo Pompeia Hospital, São Paulo, Brazil
| | - Henrique Pinheiro Konigsfeld
- Nephrology Division, Santa Cruz Hospital, São Paulo, Brazil
- Nephrology Division, Sepaco Hospital, São Paulo, Brazil
| | - Riberto Garcia da Silva
- Nephrology Division, Santa Cruz Hospital, São Paulo, Brazil
- Nephrology Division, Sepaco Hospital, São Paulo, Brazil
| | | | - Saurus Mayer Coutinho
- Nephrology Division, Santa Cruz Hospital, São Paulo, Brazil
- Nephrology Division, Sepaco Hospital, São Paulo, Brazil
| | - Tales Dantas Vieira
- Department of High Complexity Patients, Grupo NotreDame Intermédica, São Paulo, Brazil
- Nephrology Division, Cruzeiro do Sul Hospital, Osasco, São Paulo, Brazil
| | | | | | | | - Lucas Vicente Andrade
- Department of General Surgery, Ipiranga Hospital Care Management Unit, São Paulo, Brazil
| | - Muna Badaoui
- Nephrology Division, University of São Paulo Medical School, São Paulo, Brazil
- Nephrology Division, Vila Nova Brasilândia Hospital, São Paulo, Brazil
| | - Eduardo Pogetti Badaoui
- Nephrology Division, University of São Paulo Medical School, São Paulo, Brazil
- Nephrology Division, Vila Nova Brasilândia Hospital, São Paulo, Brazil
| | - Miguel Ângelo Goes
- Department of High Complexity Patients, Grupo NotreDame Intermédica, São Paulo, Brazil
- Nephrology Division, Federal University of São Paulo, São Paulo, Brazil
| | - Sergio Henrique do Amaral
- Department of High Complexity Patients, Grupo NotreDame Intermédica, São Paulo, Brazil
- Medical Board, Bosque da Saúde Hospital, São Paulo, Brazil
| | - Karlla Cunha
- Department of High Complexity Patients, Grupo NotreDame Intermédica, São Paulo, Brazil
- Medical Board, Bosque da Saúde Hospital, São Paulo, Brazil
| | - Inês Marin Muniz
- Department of High Complexity Patients, Grupo NotreDame Intermédica, São Paulo, Brazil
| | - Jacqueline Siqueira Sampaio
- Department of High Complexity Patients, Grupo NotreDame Intermédica, São Paulo, Brazil
- Medical Board, Intermédica Guarulhos Hospital, Guarulhos, São Paulo, Brazil
| | - Marcelino de Souza Durão Junior
- Nephrology Division, Federal University of São Paulo, São Paulo, Brazil
- Nephrology Division, São Paulo Hospital, São Paulo, Brazil
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Alhassan AM, Aldayel A, Alharbi A, Farooqui M, Alhelal MH, Alhusain F, Abdullah A, Altoyan M. Acute Kidney Injury in Patients With Suspected Pulmonary Embolism: A Retrospective Study of the Incidence, Risk Factors, and Outcomes in a Tertiary Care Hospital in Saudi Arabia. Cureus 2022; 14:e21198. [PMID: 35047317 PMCID: PMC8760013 DOI: 10.7759/cureus.21198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/13/2022] [Indexed: 11/05/2022] Open
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Is Compensation Prediction Score Valid for Contralateral Kidney After Living-Donor Nephrectomy in the United States? Transplant Proc 2022; 54:237-241. [PMID: 35031118 DOI: 10.1016/j.transproceed.2021.08.067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 08/26/2021] [Indexed: 11/23/2022]
Abstract
BACKGROUND Compensation after living donor nephrectomy is well known, and a compensation prediction score (CPS) was made in Japan previously. The aim of this study was to perform external validation of CPS in the United States. METHODS We studied retrospectively 78 living donor nephrectomies in our institution. We defined a favorable compensation as a postdonation estimated glomerular filtration rate (eGFR) at 1 year of >60% of the predonation eGFR. We analyzed the living donors' clinical characteristics and outcomes and validated CPS score. RESULTS The median (range) donor age was 43 (21-63) years, and median body mass index was 26.9 (18.3-35.9) kg/m2. Forty-four percent of donors were White. The donor predonation eGFR was 105 (61-134) mL/min/1.73 m2, and the postdonation eGFR at 1 year was 73.2 (0-115) mL/min/1.73 m2. Eighty-three percent of donors had a favorable compensation. The CPS was 9.6 (1.6-15.6) and showed strong diagnostic accuracy for predicting favorable compensation (area under the curve, 0.788; 95% confidence interval, 0.652-0.924; P = .001). The CPS showed a significant positive correlation with the postdonation eGFR at 1 year (R = 0.54; P < .001). CONCLUSIONS In the United States, the CPS would be a valid tool with which to predict a favorable compensation of remnant kidney function.
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Toth-Manikowski SM, Caldwell J, Joo M, Chen J, Meza N, Bruinius J, Gupta S, Hannan M, Kagalwalla M, Madrid S, Melamed ML, Pacheco E, Srivastava A, Viamontes C, Lash JP, Leaf DE, Ricardo AC. Sex-related differences in mortality, acute kidney injury, and respiratory failure among critically ill patients with COVID-19. Medicine (Baltimore) 2021; 100:e28302. [PMID: 34918709 PMCID: PMC8677989 DOI: 10.1097/md.0000000000028302] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 11/22/2021] [Indexed: 01/05/2023] Open
Abstract
Although the number of deaths due to coronavirus disease 2019 (COVID-19) is higher in men than women, prior studies have provided limited sex-stratified clinical data.We evaluated sex-related differences in clinical outcomes among critically ill adults with COVID-19.Multicenter cohort study of adults with laboratory-confirmed COVID-19 admitted to intensive care units at 67 U.S. hospitals from March 4 to May 9, 2020. Multilevel logistic regression was used to evaluate 28-day in-hospital mortality, severe acute kidney injury (AKI requiring kidney replacement therapy), and respiratory failure occurring within 14 days of intensive care unit admission.A total of 4407 patients were included (median age, 62 years; 2793 [63.4%] men; 1159 [26.3%] non-Hispanic White; 1220 [27.7%] non-Hispanic Black; 994 [22.6%] Hispanic). Compared with women, men were younger (median age, 61 vs 64 years, less likely to be non-Hispanic Black (684 [24.5%] vs 536 [33.2%]), and more likely to smoke (877 [31.4%] vs 422 [26.2%]). During median follow-up of 14 days, 1072 men (38.4%) and 553 women (34.3%) died. Severe AKI occurred in 590 men (21.8%), and 239 women (15.5%), while respiratory failure occurred in 2255 men (80.7%) and 1234 women (76.5%). After adjusting for age, race/ethnicity and clinical variables, compared with women, men had a higher risk of death (OR, 1.50, 95% CI, 1.26-1.77), severe AKI (OR, 1.92; 95% CI 1.57-2.36), and respiratory failure (OR, 1.42; 95% CI, 1.11-1.80).In this multicenter cohort of critically ill adults with COVID-19, men were more likely to have adverse outcomes compared with women.
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Affiliation(s)
| | - Jillian Caldwell
- Department of Medicine, University of Illinois at Chicago, Chicago, IL
| | - Min Joo
- Department of Medicine, University of Illinois at Chicago, Chicago, IL
| | - Jinsong Chen
- Department of Medicine, University of Illinois at Chicago, Chicago, IL
| | - Natalie Meza
- Department of Medicine, University of Illinois at Chicago, Chicago, IL
| | - Jacob Bruinius
- Department of Medicine, University of Illinois at Chicago, Chicago, IL
| | - Shruti Gupta
- Division of Renal Medicine, Brigham and Women's Hospital, Boston, MA
| | - Mary Hannan
- Department of Medicine, University of Illinois at Chicago, Chicago, IL
| | | | - Samantha Madrid
- Department of Medicine, University of Illinois at Chicago, Chicago, IL
| | - Michal L. Melamed
- Division of Nephrology, Department of Medicine, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, NY
| | - Esther Pacheco
- Department of Medicine, University of Illinois at Chicago, Chicago, IL
| | - Anand Srivastava
- Center for Translational Metabolism and Health, Institute for Public Health and Medicine, Division of Nephrology and Hypertension, Northwestern University Feinberg School of Medicine, Chicago, IL
| | | | - James P. Lash
- Department of Medicine, University of Illinois at Chicago, Chicago, IL
| | - David E. Leaf
- Division of Renal Medicine, Brigham and Women's Hospital, Boston, MA
| | - Ana C. Ricardo
- Department of Medicine, University of Illinois at Chicago, Chicago, IL
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Zettersten E, Jäderling G, Bell M, Larsson E. A cohort study investigating the occurrence of differences in care provided to men and women in an intensive care unit. Sci Rep 2021; 11:23396. [PMID: 34862443 PMCID: PMC8642468 DOI: 10.1038/s41598-021-02815-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 11/16/2021] [Indexed: 12/01/2022] Open
Abstract
It has been reported that there are differences in the care given within the intensive care unit (ICU) between men and women. The aim of this study is to investigate if any differences still exist between men and women regarding the level of intensive care provided, using prespecified intensive care items. This is a retrospective cohort study of 9017 ICU patients admitted to a university hospital between 2006 and 2016. Differences in use of mechanical ventilation, invasive monitoring, vasoactive treatment, inotropic treatment, echocardiography, renal replacement therapy and central venous catheters based on the sex of the patient were analysed using univariate and multivariable logistic regressions. Subgroup analyses were performed on patients diagnosed with sepsis, cardiac arrest and respiratory disease. Approximately one third of the patients were women. Overall, men received more mechanical ventilation, more dialysis and more vasoactive treatment. Among patients admitted with a respiratory disease, men were more likely to receive mechanical ventilation. Furthermore, men were more likely to receive levosimendan if admitted with cardiac arrest. We conclude that differences in the level of intensive care provided to men and women still exist.
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Affiliation(s)
- Erik Zettersten
- Perioperative Medicine and Intensive Care, Karolinska University Hospital, Solna, Stockholm, Sweden. .,Section of Anaesthesiology and Intensive Care Medicine, Department of Physiology and Pharmacology, Karolinska Institute, Stockholm, Sweden.
| | - Gabriella Jäderling
- Perioperative Medicine and Intensive Care, Karolinska University Hospital, Solna, Stockholm, Sweden.,Section of Anaesthesiology and Intensive Care Medicine, Department of Physiology and Pharmacology, Karolinska Institute, Stockholm, Sweden
| | - Max Bell
- Perioperative Medicine and Intensive Care, Karolinska University Hospital, Solna, Stockholm, Sweden.,Section of Anaesthesiology and Intensive Care Medicine, Department of Physiology and Pharmacology, Karolinska Institute, Stockholm, Sweden
| | - Emma Larsson
- Perioperative Medicine and Intensive Care, Karolinska University Hospital, Solna, Stockholm, Sweden.,Section of Anaesthesiology and Intensive Care Medicine, Department of Physiology and Pharmacology, Karolinska Institute, Stockholm, Sweden
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Roushani J, Thomas D, Oliver MJ, Ip J, Tang Y, Yeung A, Taji L, Cooper R, Magner PO, Garg AX, Blake PG. Acute kidney injury requiring renal replacement therapy in people with COVID-19 disease in Ontario, Canada: a prospective analysis of risk factors and outcomes. Clin Kidney J 2021; 15:507-516. [PMID: 35198157 PMCID: PMC8690186 DOI: 10.1093/ckj/sfab237] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Indexed: 12/11/2022] Open
Abstract
ABSTRACT
Background
Severely ill people with coronavirus disease 2019 (COVID-19) are at risk of acute kidney injury treated with renal replacement therapy (AKI-RRT). The understanding of the risk factors and outcomes for AKI-RRT is incomplete.
Methods
We prospectively collected data on the incidence, demographics, area of residence, time course, outcomes and associated risk factors for all COVID-19 AKI-RRT cases during the first two waves of the pandemic in Ontario, Canada.
Results
There were 271 people with AKI-RRT, representing 0.1% of all diagnosed severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) cases. These included 10% of SARS-CoV-2 admissions to intensive care units (ICU). Median age was 65 years, with 11% <50 years, 76% were male, 47% non-White and 48% had diabetes. Overall, 59% resided in the quintile of Ontario neighborhoods with the greatest ethnocultural composition and 51% in the two lowest income quintile neighborhoods. Mortality was 58% at 30 days after RRT initiation, and 64% at 90 days. By 90 days, 20% of survivors remained RRT-dependent and 31% were still hospitalized. On multivariable analysis, people aged >70 years had higher mortality (odds ratio 2.4, 95% confidence interval 1.3, 4.6). Cases from the second versus the first COVID-19 wave were older, had more baseline comorbidity and were more likely to initiate RRT >2 weeks after SARS-CoV-2 diagnosis (34% versus 14%; P < 0.001).
Conclusions
AKI-RRT is common in COVID-19 ICU admissions. Residency in areas with high ethnocultural composition and lower socioeconomic status are strong risk factors. Late-onset AKI-RRT was more common in the second wave. Mortality is high and 90-day survivors have persisting high morbidity.
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Affiliation(s)
- Jian Roushani
- Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada
| | - Doneal Thomas
- Ontario Renal Network, Ontario Health, Toronto, ON, Canada
| | - Matthew J Oliver
- Ontario Renal Network, Ontario Health, Toronto, ON, Canada
- Department of Medicine, University of Toronto, Toronto, ON, Canada
| | - Jane Ip
- Ontario Renal Network, Ontario Health, Toronto, ON, Canada
| | - Yiwen Tang
- Ontario Renal Network, Ontario Health, Toronto, ON, Canada
| | - Angie Yeung
- Ontario Renal Network, Ontario Health, Toronto, ON, Canada
| | - Leena Taji
- Ontario Renal Network, Ontario Health, Toronto, ON, Canada
| | - Rebecca Cooper
- Ontario Renal Network, Ontario Health, Toronto, ON, Canada
| | - Peter O Magner
- Ontario Renal Network, Ontario Health, Toronto, ON, Canada
- Division of Nephrology, University of Ottawa, Ottawa, ON, Canada
| | - Amit X Garg
- Ontario Renal Network, Ontario Health, Toronto, ON, Canada
- Division of Nephrology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
| | - Peter G Blake
- Ontario Renal Network, Ontario Health, Toronto, ON, Canada
- Division of Nephrology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
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Thome T, Coleman MD, Ryan TE. Mitochondrial Bioenergetic and Proteomic Phenotyping Reveals Organ-Specific Consequences of Chronic Kidney Disease in Mice. Cells 2021; 10:3282. [PMID: 34943790 PMCID: PMC8699079 DOI: 10.3390/cells10123282] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 11/18/2021] [Accepted: 11/22/2021] [Indexed: 12/17/2022] Open
Abstract
Chronic kidney disease (CKD) results in reduced kidney function, uremia, and accumulation of uremic metabolites. Mitochondrial alterations have been suggested to play a role in the disease pathology within various tissues. The purpose of this study was to perform a comprehensive bioenergetic and proteomic phenotyping of mitochondria from skeletal muscle (SkM), cardiac muscle (CM), and renal tissue from mice with CKD. The 5-month-old C57BL/6J male mice were fed a casein control or adenine-supplemented diet for 6 months. CKD was confirmed by blood urea nitrogen. A mitochondrial diagnostic workflow was employed to examine respiratory function, membrane and redox potential, reactive oxygen species production, and maximal activities of matrix dehydrogenases and electron transport system (ETS) protein complexes. Additionally, tandem-mass-tag-assisted proteomic analyses were performed to uncover possible differences in mitochondrial protein abundance. CKD negatively impacted mitochondrial energy transduction (all p < 0.05) in SkM, CM, and renal mitochondria, when assessed at physiologically relevant cellular energy demands (ΔGATP) and revealed the tissue-specific impact of CKD on mitochondrial health. Proteomic analyses indicated significant abundance changes in CM and renal mitochondria (115 and 164 proteins, p < 0.05), but no differences in SkM. Taken together, these findings reveal the tissue-specific impact of chronic renal insufficiency on mitochondrial health.
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Affiliation(s)
- Trace Thome
- Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, FL 32611, USA; (T.T.); (M.D.C.)
| | - Madeline D. Coleman
- Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, FL 32611, USA; (T.T.); (M.D.C.)
| | - Terence E. Ryan
- Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, FL 32611, USA; (T.T.); (M.D.C.)
- Center for Exercise Science, University of Florida, Gainesville, FL 32611, USA
- Myology Institute, University of Florida, Gainesville, FL 32611, USA
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McCune TR, Toepp AJ, Sheehan BE, Sherani MSK, Petr ST, Dodani S. High dose intravenous vitamin C treatment in Sepsis: associations with acute kidney injury and mortality. BMC Nephrol 2021; 22:387. [PMID: 34800992 PMCID: PMC8606062 DOI: 10.1186/s12882-021-02599-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Accepted: 11/03/2021] [Indexed: 01/02/2023] Open
Abstract
Background The effects of vitamin C on clinical outcomes in critically ill patients remain controversial due to inconclusive studies. This retrospective observational cohort study evaluated the effects of vitamin C therapy on acute kidney injury (AKI) and mortality among septic patients. Methods Electronic medical records of 1390 patients from an academic hospital who were categorized as Treatment (received at least one dose of 1.5 g IV vitamin C, n = 212) or Comparison (received no, or less than 1.5 g IV vitamin C, n = 1178) were reviewed. Propensity score matching was conducted to balance a number of covariates between groups. Multivariate logistic regressions were conducted predicting AKI and in-hospital mortality among the full sample and a sub-sample of patients seen in the ICU. Results Data revealed that vitamin C therapy was associated with increases in AKI (OR = 2.07 95% CI [1.46–2.93]) and in-hospital mortality (OR = 1.67 95% CI [1.003–2.78]) after adjusting for demographic and clinical covariates. When stratified to examine ICU patients, vitamin C therapy remained a significant risk factor of AKI (OR = 1.61 95% CI [1.09–2.39]) and provided no protective benefit against mortality (OR = 0.79 95% CI [0.48–1.31]). Conclusion Ongoing use of high dose vitamin C in sepsis should be appraised due to observed associations with AKI and death.
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Affiliation(s)
- Thomas R McCune
- Division of Nephrology, Department of Internal Medicine, Eastern Virginia Medical School, 301 Riverview Ave, Suite 600, Norfolk, Virginia, 23510, USA.
| | - Angela J Toepp
- EVMS-Sentara Healthcare Analytics and Delivery Science Institute, Eastern Virginia Medical School, Norfolk, Virginia, USA.,Department of Internal Medicine, Eastern Virginia Medical School, Norfolk, Virginia, USA
| | - Brynn E Sheehan
- EVMS-Sentara Healthcare Analytics and Delivery Science Institute, Eastern Virginia Medical School, Norfolk, Virginia, USA.,Department of Psychiatry and Behavioral Sciences, Eastern Virginia Medical School, Norfolk, Virginia, USA
| | | | | | - Sunita Dodani
- EVMS-Sentara Healthcare Analytics and Delivery Science Institute, Eastern Virginia Medical School, Norfolk, Virginia, USA.,Division of Cardiology, Department of Internal Medicine, Eastern Virginia Medical School, Norfolk, Virginia, USA
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Oda K, Hashiguchi Y, Katanoda T, Nakata H, Jono H, Saito H. Lowered Risk of Nephrotoxicity through Intervention against the Combined Use of Vancomycin and Tazobactam/Piperacillin: A Retrospective Cohort Study. Microbiol Spectr 2021; 9:e0035521. [PMID: 34346742 PMCID: PMC8552786 DOI: 10.1128/spectrum.00355-21] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 07/08/2021] [Indexed: 11/20/2022] Open
Abstract
The combined use of vancomycin (VCM) and tazobactam/piperacillin (TAZ/PIPC) is a major risk factor for nephrotoxicity. We sought to evaluate interventions against the combined use of VCM and TAZ/PIPC. This retrospective cohort study involved patients who considered the combined use of VCM and TAZ/PIPC as a treatment. Patients that had either or both antimicrobials replaced were assigned to the intervention group, whereas those who were continued on combination therapy were assigned to the comparison group. The primary endpoint was the incidence of acute kidney injury (AKI). The survival rate of patients on day 30 was evaluated as the secondary endpoint. The comparison and intervention groups were composed of 65 and 68 patients, respectively, and the incidence rates of AKI were 44.6% and 17.6%, respectively. Cox proportional hazard analysis identified the intervention as the only independent factor against AKI development, with a hazard ratio of 0.282 (95% confidence interval [CI], 0.141 to 0.565). For the incidence of AKI of grade greater than 1, the hazard ratio was 0.114 (95% CI, 0.025 to 0.497). The survival rates on day 30 in the comparison and intervention groups were 92.3% and 91.2%, respectively, with a relative risk of 0.988 (95% CI, 0.892 to 1.094). The trough VCM concentration was not associated with the incidence of AKI in patients receiving the combination therapy. This study demonstrated that intervention against the combined use of VCM and TAZ/PIPC can lower the risk of nephrotoxicity. IMPORTANCE The combined use of vancomycin (VCM) and tazobactam/piperacillin (TAZ/PIPC) is a major risk factor for nephrotoxicity. We retrospectively evaluated interventions against the combined use of VCM and TAZ/PIPC. Patients for whom either or both antimicrobials were replaced were assigned to the intervention group (65 patients), whereas those who were continued on combination therapy were assigned to the comparison group (68 patients). The primary endpoint was the incidence of acute kidney injury (AKI). The incidence rates of AKI in the intervention and comparison groups were 44.6% and 17.6%, respectively. Cox proportional hazard analysis identified intervention as the only independent factor against AKI development, with a hazard ratio of 0.282 (95% confidence interval [CI], 0.141 to 0.565). In conclusion, this study demonstrated that intervention against the combined use of VCM and TAZ/PIPC can lower the risk of nephrotoxicity.
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Affiliation(s)
- Kazutaka Oda
- Department of Pharmacy, Kumamoto University Hospital, Kumamoto, Japan
- Department of Infection Control, Kumamoto University Hospital, Kumamoto, Japan
| | - Yumi Hashiguchi
- Department of Pharmacy, Kumamoto University Hospital, Kumamoto, Japan
| | - Tomomi Katanoda
- Department of Pharmacy, Kumamoto University Hospital, Kumamoto, Japan
- Department of Infection Control, Kumamoto University Hospital, Kumamoto, Japan
| | - Hirotomo Nakata
- Department of Infection Control, Kumamoto University Hospital, Kumamoto, Japan
| | - Hirofumi Jono
- Department of Pharmacy, Kumamoto University Hospital, Kumamoto, Japan
| | - Hideyuki Saito
- Department of Pharmacy, Kumamoto University Hospital, Kumamoto, Japan
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Abstract
Kidney pathophysiology is influenced by gender. Evidence suggests that kidney damage is more severe in males than in females and that sexual hormones contribute to this. Elevated prolactin concentration is common in renal impairment patients and is associated with an unfavorable prognosis. However, PRL is involved in the osmoregulatory process and promotes endothelial proliferation, dilatation, and permeability in blood vessels. Several proteinases cleavage its structure, forming vasoinhibins. These fragments have antagonistic PRL effects on endothelium and might be associated with renal endothelial dysfunction, but its role in the kidneys has not been enough investigated. Therefore, the purpose of this review is to describe the influence of sexual dimorphism and gonadal hormones on kidney damage, emphasizing the role of the hormone prolactin and its cleavage products, the vasoinhibins.
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Sim JH, Bang JY, Kim SH, Kang SJ, Song JG. Association of Preoperative Prognostic Nutritional Index and Postoperative Acute Kidney Injury in Patients with Colorectal Cancer Surgery. Nutrients 2021; 13:nu13051604. [PMID: 34064893 PMCID: PMC8170895 DOI: 10.3390/nu13051604] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 05/07/2021] [Accepted: 05/07/2021] [Indexed: 12/11/2022] Open
Abstract
The prognostic nutritional index (PNI) has been reported to be associated with postoperative complications and prognosis in cancer surgery. However, few studies have evaluated the association between preoperative PNI and postoperative acute kidney injury (AKI) in colorectal cancer patients. This study evaluated association of preoperative PNI and postoperative AKI in patients who underwent colorectal cancer surgery. This study retrospectively analyzed 3543 patients who underwent colorectal cancer surgery between June 2008 and February 2012. The patients were classified into four groups by the quartile of PNI: Q1 (≤43.79), Q2 (43.79–47.79), Q3 (47.79–51.62), and Q4 (≥51.62). Multivariate regression analysis was performed to assess the risk factors for AKI and 1-year mortality. AKI was defined according to Kidney Disease Improving Global Outcomes classification (KDIGO) criteria. Additionally, we assessed surgical outcomes such as hospital stay, ICU admission, and postoperative complications. The incidence of postoperative AKI tended to increase in the Q1 group (13.4%, 9.2%, 9.4%, 8.8%). In the multivariate analysis, high preoperative PNI was significantly associated with low risk of postoperative AKI (adjusted odds ratio [OR]: 0.96, 95% confidence interval [CI]: 0.93–0.99, p = 0.003) and low 1-year mortality (OR: 0.92, 95% CI: 0.86–0.98, p = 0.011). Male sex, body mass index, diabetes mellitus, and hypertension were risk factors for AKI. The Q1 (≤43.79) group had poor surgical outcomes, such as postoperative AKI (OR: 1.52, 95% CI: 1.18–1.95, p = 0.001), higher rates of ICU admission (OR: 3.13, 95% CI: 1.82–5.39, p < 0.001) and higher overall mortality (OR: 3.81, 95% CI: 1.86–7.79, p < 0.001). In conclusion, low preoperative PNI levels, especially in the Q1 (≤43.79), were significantly associated with postoperative AKI and surgical outcomes, such as hospital stay, postoperative ICU admission, and mortality.
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Douvris A, Burger D, Rodriguez RA, Clark EG, Viñas J, Lalu MM, Shorr R, Burns KD. MicroRNA in Human Acute Kidney Injury: A Systematic Review Protocol. Can J Kidney Health Dis 2021; 8:20543581211009999. [PMID: 33996109 PMCID: PMC8072838 DOI: 10.1177/20543581211009999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 03/12/2021] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND Acute kidney injury (AKI) is a common complication of hospitalization with high morbidity and mortality for which no effective treatments exist and for which current diagnostic tools have limitations for earlier identification. MicroRNAs (miRNAs) are small non-coding RNAs that have been implicated in the pathogenesis of AKI, and some miRNAs have shown promise as therapeutic tools in animal models of AKI. However, less is known about the role of miRNAs in human AKI. OBJECTIVE To evaluate the role of miRNAs in human subjects with AKI. DESIGN Systematic review and meta-analysis. MEASUREMENTS Quantification of miRNA levels from human blood, urine, or kidney biopsy samples, and measures of renal function as defined in the study protocol. METHODS A comprehensive search strategy for Ovid MEDLINE All, Embase, Web of Science, and CENTRAL will be developed to identify investigational studies that evaluated the relationship between miRNA levels and human AKI. Primary outcomes will include measurements of kidney function and miRNA levels. Study screening, review and data extraction will be performed independently by 2 reviewers. Study quality and certainty of evidence will be assessed with validated tools. A narrative synthesis will be included and the possibility for meta-analysis will be assessed according to characteristics of clinical and statistical heterogeneity between studies. LIMITATIONS These include (1) lack of randomized trials of miRNAs for the prevention or treatment of human AKI, (2) quality of included studies, and (3) sources of clinical and statistical heterogeneity that may affect strength and reproducibility of results. CONCLUSION Previous studies of miRNAs in different animal models of AKI have generated strong interest on their use for the prevention and treatment of human AKI. This systematic review will characterize the most promising miRNAs for human research and will identify methodological constraints from miRNA research in human AKI to help inform the design of future studies. SYSTEMATIC REVIEW REGISTRATION PROSPERO CRD42020201253.
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Affiliation(s)
- Adrianna Douvris
- Division of Nephrology, Department of Medicine and Kidney Research Centre, Ottawa Hospital Research Institute, The University of Ottawa and The Ottawa Hospital, ON, Canada
| | - Dylan Burger
- Division of Nephrology, Department of Medicine and Kidney Research Centre, Ottawa Hospital Research Institute, The University of Ottawa and The Ottawa Hospital, ON, Canada
- Department of Cellular and Molecular Medicine, University of Ottawa, ON, Canada
| | - Rosendo A. Rodriguez
- Department of Medicine, The University of Ottawa and The Ottawa Hospital, ON, Canada
| | - Edward G. Clark
- Division of Nephrology, Department of Medicine and Kidney Research Centre, Ottawa Hospital Research Institute, The University of Ottawa and The Ottawa Hospital, ON, Canada
| | - Jose Viñas
- Division of Nephrology, Department of Medicine and Kidney Research Centre, Ottawa Hospital Research Institute, The University of Ottawa and The Ottawa Hospital, ON, Canada
| | - Manoj M. Lalu
- Department of Cellular and Molecular Medicine, University of Ottawa, ON, Canada
- Department of Anesthesiology and Pain Medicine, Clinical Epidemiology and Regenerative Medicine Programs, Blueprint Translational Research Group, The Ottawa Hospital Research Institute, The University of Ottawa and The Ottawa Hospital, Canada
| | - Risa Shorr
- Department of Medicine, The University of Ottawa and The Ottawa Hospital, ON, Canada
| | - Kevin D. Burns
- Division of Nephrology, Department of Medicine and Kidney Research Centre, Ottawa Hospital Research Institute, The University of Ottawa and The Ottawa Hospital, ON, Canada
- Department of Cellular and Molecular Medicine, University of Ottawa, ON, Canada
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Loutradis C, Pickup L, Law JP, Dasgupta I, Townend JN, Cockwell P, Sharif A, Sarafidis P, Ferro CJ. Acute kidney injury is more common in men than women after accounting for socioeconomic status, ethnicity, alcohol intake and smoking history. Biol Sex Differ 2021; 12:30. [PMID: 33832522 PMCID: PMC8034098 DOI: 10.1186/s13293-021-00373-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 03/19/2021] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND The association of several comorbidities, including diabetes mellitus, hypertension, cardiovascular disease, heart failure and chronic kidney or liver disease, with acute kidney injury (AKI) is well established. Evidence on the effect of sex and socioeconomic factors are scarce. This study was designed to examine the association of sex and socioeconomic factors with AKI and AKI-related mortality and further to evaluate the additional relationship with other possible risk factors for AKI occurrence. METHODS We included 3534 patients (1878 males with mean age 61.1 ± 17.7 and 1656 females 1656 with mean age 60.3 ± 20.0 years) admitted to Queen Elizabeth or Heartlands Hospitals, Birmingham, between October 2013 and January 2016. Patients were prospectively followed-up for a median 47.70 [IQR, 18.20] months. Study-endpoints were incidence of AKI, based on KDIGO-AKI Guidelines, and all-cause mortality. Data acquisition was automated, and information on mortality was collected from the Hospital Episode Statistics and Office of National Statistics. Socioeconomic status was evaluated with the Index of Multiple Deprivation (IMD). RESULTS Incidence of AKI was higher in men compared to women (11.3% vs 7.1%; P < 0.001). Model regression analysis revealed significant association of male sex with higher AKI risk (OR, 1.659; 95% CI, 1.311-2.099; P < 0.001); this association remained significant after adjustment for age, eGFR, IMD, smoking, alcohol consumption, ethnicity, existing comorbidities and treatment (OR, 1.599; 95% CI, 1.215-2.103; P = 0.001). All-cause mortality was higher in patients with compared to those without AKI. Males with AKI had higher mortality rates in the first 6-month and 1-year periods after the index AKI event. The association of male sex with mortality was independent of socioeconomic factors but was not statistically significant after adjustment for existing comorbidities. CONCLUSIONS Men are at higher risk of AKI and this association is independent from existing risk factors for AKI. The association between male sex and AKI-related mortality was not independent from existing comorbidities. A better understanding of factors associated with AKI may help accurately identify high-risk patients.
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Affiliation(s)
- Charalampos Loutradis
- Department of Renal Medicine, University Hospitals Birmingham NHS Foundation Trust, Birmingham, B15 2GW, UK.
- Department of Nephrology, Hippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece.
| | - Luke Pickup
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, Edgbaston, Birmingham, B15 2TT, UK
- Warwick Medical School, University of Warwick, Coventry, CV4 7HL, UK
| | - Jonathan P Law
- Department of Renal Medicine, University Hospitals Birmingham NHS Foundation Trust, Birmingham, B15 2GW, UK
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, Edgbaston, Birmingham, B15 2TT, UK
| | - Indranil Dasgupta
- Department of Renal Medicine, University Hospitals Birmingham NHS Foundation Trust, Birmingham, B15 2GW, UK
- Warwick Medical School, University of Warwick, Coventry, CV4 7HL, UK
| | - Jonathan N Townend
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, Edgbaston, Birmingham, B15 2TT, UK
- Department of Cardiology, University Hospitals Birmingham NHS Foundation Trust, Birmingham, B15 2GW, UK
| | - Paul Cockwell
- Department of Renal Medicine, University Hospitals Birmingham NHS Foundation Trust, Birmingham, B15 2GW, UK
| | - Adnan Sharif
- Department of Renal Medicine, University Hospitals Birmingham NHS Foundation Trust, Birmingham, B15 2GW, UK
| | - Pantelis Sarafidis
- Department of Nephrology, Hippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Charles J Ferro
- Department of Renal Medicine, University Hospitals Birmingham NHS Foundation Trust, Birmingham, B15 2GW, UK
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, Edgbaston, Birmingham, B15 2TT, UK
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Piani F, Melena I, Tommerdahl KL, Nokoff N, Nelson RG, Pavkov ME, van Raalte DH, Cherney DZ, Johnson RJ, Nadeau KJ, Bjornstad P. Sex-related differences in diabetic kidney disease: A review on the mechanisms and potential therapeutic implications. J Diabetes Complications 2021; 35:107841. [PMID: 33423908 PMCID: PMC8007279 DOI: 10.1016/j.jdiacomp.2020.107841] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 12/02/2020] [Accepted: 12/02/2020] [Indexed: 02/08/2023]
Abstract
Sexual dimorphism may play a key role in the pathogenesis of diabetic kidney disease (DKD) and explain differences observed in disease phenotypes, responses to interventions, and disease progression between men and women with diabetes. Therefore, omitting the consideration of sex as a biological factor may result in delayed diagnoses and suboptimal therapies. This review will summarize the effects of sexual dimorphism on putative metabolic and molecular mechanisms underlying DKD, and the potential implications of these differences on therapeutic interventions. To successfully implement precision medicine, we require a better understanding of sexual dimorphism in the pathophysiologic progression of DKD. Such insights can unveil sex-specific therapeutic targets that have the potential to maximize efficacy while minimizing adverse events.
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Affiliation(s)
- Federica Piani
- Department of Pediatrics, Section of Endocrinology, University of Colorado School of Medicine, Aurora, CO, USA; Department of Medicine and Surgery Sciences, Alma Mater Studiorum University of Bologna, Bologna, Italy; Department of Medicine, Division of Nephrology, University of Colorado School of Medicine, Aurora, CO, USA
| | - Isabella Melena
- Department of Pediatrics, Section of Endocrinology, University of Colorado School of Medicine, Aurora, CO, USA
| | - Kalie L Tommerdahl
- Department of Pediatrics, Section of Endocrinology, University of Colorado School of Medicine, Aurora, CO, USA; Department of Medicine, Division of Nephrology, University of Colorado School of Medicine, Aurora, CO, USA
| | - Natalie Nokoff
- Department of Pediatrics, Section of Endocrinology, University of Colorado School of Medicine, Aurora, CO, USA
| | - Robert G Nelson
- Chronic Kidney Disease Section, Phoenix Epidemiology and Clinical Research Branch, NIDDK, Phoenix, AZ, USA
| | - Meda E Pavkov
- Division of Diabetes Translation, Center for Disease Control and Prevention, Atlanta, GA, USA
| | - Daniël H van Raalte
- Diabetes Center, Department of Internal Medicine, Amsterdam University Medical Center, location VUmc, Amsterdam, the Netherlands
| | - David Z Cherney
- Department of Medicine, Division of Nephrology, University of Toronto School of Medicine, Toronto, Ontario, Canada
| | - Richard J Johnson
- Department of Medicine, Division of Nephrology, University of Colorado School of Medicine, Aurora, CO, USA
| | - Kristen J Nadeau
- Department of Medicine, Division of Nephrology, University of Colorado School of Medicine, Aurora, CO, USA
| | - Petter Bjornstad
- Department of Pediatrics, Section of Endocrinology, University of Colorado School of Medicine, Aurora, CO, USA; Department of Medicine, Division of Nephrology, University of Colorado School of Medicine, Aurora, CO, USA.
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46
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Fu G, Zhan HC, Li HL, Lu JF, Chen YH, Wu LF, Yang ZL, Huang JJ, Feng YW, Luan YY, Wu M. Association between Procalcitonin and Acute Kidney Injury in Patients with Bacterial Septic Shock. Blood Purif 2021; 50:790-799. [PMID: 33730732 DOI: 10.1159/000512351] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 10/14/2020] [Indexed: 11/19/2022]
Abstract
OBJECTIVE The objective of this study was to assess the relationship between serum procalcitonin (PCT) and acute kidney injury (AKI) induced by bacterial septic shock. METHODS A retrospective study was designed which included patients who were admitted to the ICU from January 2015 to October 2018. Multiple logistic regression and receiver operating characteristic (ROC) as well as smooth curve fitting analysis were used to assess the relationship between the PCT level and AKI. RESULTS Of the 1,631 patients screened, 157 patients were included in the primary analysis in which 84 (53.5%) patients were with AKI. Multiple logistic regression results showed that PCT (odds ratio [OR] = 1.017, 95% confidence interval [CI] 1.009-1.025, p < 0.001) was associated with AKI induced by septic shock. The ROC analysis showed that the cutoff point for PCT to predict AKI development was 14 ng/mL, with a sensitivity of 63% and specificity 67%. Specifically, in multivariate piecewise linear regression, the occurrence of AKI decreased with the elevation of PCT when PCT was between 25 ng/mL and 120 ng/mL (OR 0.963, 95% CI 0.929-0.999; p = 0.042). The AKI increased with the elevation of PCT when PCT was either <25 ng/mL (OR 1.077, 95% CI 1.022-1.136; p = 0.006) or >120 ng/mL (OR 1.042, 95% CI 1.009-1.076; p = 0.013). Moreover, the PCT level was significantly higher in the AKI group only in female patients aged ≤75 years (p = 0.001). CONCLUSIONS Our data revealed a nonlinear relationship between PCT and AKI in septic shock patients, and PCT could be used as a potential biomarker of AKI in female patients younger than 75 years with bacterial septic shock.
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Affiliation(s)
- Guang Fu
- Department of Critical Care Medicine and Hospital Infection Prevention and Control, The Second People's Hospital of Shenzhen and First Affiliated Hospital of Shenzhen University, Health Science Center, Shenzhen, China.,Department of General Surgery, The 3rd Xiangya Hospital, Central South University, Changsha, China
| | - Hai-Chao Zhan
- Department of Critical Care Medicine and Hospital Infection Prevention and Control, The Second People's Hospital of Shenzhen and First Affiliated Hospital of Shenzhen University, Health Science Center, Shenzhen, China.,Department of Critical Care Medicine, Central People's Hospital of Zhanjiang, Zhanjiang, China
| | - Hao-Li Li
- Department of Critical Care Medicine and Hospital Infection Prevention and Control, The Second People's Hospital of Shenzhen and First Affiliated Hospital of Shenzhen University, Health Science Center, Shenzhen, China
| | - Jun-Fu Lu
- Department of Critical Care Medicine and Hospital Infection Prevention and Control, The Second People's Hospital of Shenzhen and First Affiliated Hospital of Shenzhen University, Health Science Center, Shenzhen, China.,Department of Critical Care Medicine, Central People's Hospital of Zhanjiang, Zhanjiang, China
| | - Yan-Hong Chen
- Department of Critical Care Medicine and Hospital Infection Prevention and Control, The Second People's Hospital of Shenzhen and First Affiliated Hospital of Shenzhen University, Health Science Center, Shenzhen, China
| | - Le-Feng Wu
- Department of Critical Care Medicine and Hospital Infection Prevention and Control, The Second People's Hospital of Shenzhen and First Affiliated Hospital of Shenzhen University, Health Science Center, Shenzhen, China.,Department of Critical Care Medicine, Fuzhou First People's Hospital, Fuzhou, China
| | - Zi-Long Yang
- Department of Critical Care Medicine and Hospital Infection Prevention and Control, The Second People's Hospital of Shenzhen and First Affiliated Hospital of Shenzhen University, Health Science Center, Shenzhen, China.,Graduate School, Guangdong Medical University, Zhanjiang, China
| | - Jia-Jia Huang
- Department of Critical Care Medicine and Hospital Infection Prevention and Control, The Second People's Hospital of Shenzhen and First Affiliated Hospital of Shenzhen University, Health Science Center, Shenzhen, China.,Department of Critical Care Medicine and Hospital Infection Prevention and Control, The Second People's Hospital of Shenzhen and First Affiliated Hospital of Shenzhen University, Health Science Center, Shenzhen, China
| | - Yong-Wen Feng
- Department of Critical Care Medicine and Hospital Infection Prevention and Control, The Second People's Hospital of Shenzhen and First Affiliated Hospital of Shenzhen University, Health Science Center, Shenzhen, China
| | - Ying-Yi Luan
- Department of Critical Care Medicine and Hospital Infection Prevention and Control, The Second People's Hospital of Shenzhen and First Affiliated Hospital of Shenzhen University, Health Science Center, Shenzhen, China
| | - Ming Wu
- Department of Critical Care Medicine and Hospital Infection Prevention and Control, The Second People's Hospital of Shenzhen and First Affiliated Hospital of Shenzhen University, Health Science Center, Shenzhen, China, .,Graduate School, Guangdong Medical University, Zhanjiang, China, .,Department of Critical Care Medicine and Hospital Infection Prevention and Control, The Second People's Hospital of Shenzhen and First Affiliated Hospital of Shenzhen University, Health Science Center, Shenzhen, China,
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Wittlinger T, Maus M, Kutschka I, Baraki H, Friedrich MG. Identification of risk factors for renal failure after cardiac surgery by RFILE classification. AMERICAN JOURNAL OF CARDIOVASCULAR DISEASE 2021; 11:155-163. [PMID: 33815931 PMCID: PMC8012284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 02/04/2021] [Indexed: 06/12/2023]
Abstract
OBJECTIVE Acute kidney injury (AKI) is a major complication after cardiovascular surgery. The unclear etiology of this highly complex event challenges definition, diagnosis and prediction of AKI, and hence hampers adequate patient management. Identification of associated risk factors have the potential to overcome this limitation. METHODS This retrospective study comprised 3574 patients who underwent cardiac surgery in a hospital in Germany. The patient cohort was interrogated for risk factors for AKI. RESULTS The analysis identified risk factors for AKI development, such as type of surgery (particularly bypass surgery) (P = 0.02), previous coronary surgeries (P < 0.01), the application of intra-aortic balloon pump in surgery (P < 0.01), and blood loss during surgery (P < 0.01). In addition, old age, duration of surgery as well as ischemia, perfusion and reperfusion times contributed to AKI development (P < 0.01). Further, perioperative hypothermia also appeared as putative risk factor in the analysis (P < 0.01). CONCLUSIONS This study identified several risk factors for the development of AKI after cardiac surgery. Further validation of these risk factors could allow the implementation of adequate patient management, and the appropriate implementation of risk-adverse interventions in cardiovascular surgery.
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Affiliation(s)
- Thomas Wittlinger
- Department of Cardiology, Asklepios Harzklinikum. Köslinerstr 1238642 Goslar, Germany
| | - Martin Maus
- Department Major Surgery, St. Elisabeth HospitalBonn, Germany
| | - Ingo Kutschka
- Department of Cardio-Thoracic and Vascular Surgery, University Hospital GöttingenGermany
| | - Hassina Baraki
- Department of Cardio-Thoracic and Vascular Surgery, University Hospital GöttingenGermany
| | - Martin G Friedrich
- Department of Cardio-Thoracic and Vascular Surgery, University Hospital GöttingenGermany
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48
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Wittlinger T, Maus M, Kutschka I, Baraki H, Friedrich MG. Risk assessment of acute kidney injury following cardiopulmonary bypass. J Cardiothorac Surg 2021; 16:4. [PMID: 33407652 PMCID: PMC7789772 DOI: 10.1186/s13019-020-01382-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Accepted: 12/08/2020] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Acute kidney injury (AKI) is a frequent and serious complication of cardiac surgery, associated with a high incidence of morbidity and mortality. Although the RIFLE criteria serve as a prominent tool to identify patients at high risk of AKI, an optimized diagnosis model in clinical practice is desired. METHODS Based on the SOP-criteria, 365 patients (10%) developed AKI following surgery and were subjected to RRT. In contrast, the incidence of AKI, defined according to the RIFLE criteria, was only 7% (n = 251 patients). Prominent risk factors identified by SOP were patients' sex, valve and combined valve and bypass surgery, deep hypothermia, use of intra-aortic balloon pump (IABP) and previous coronary interventions. Ischemia, reperfusion, blood loss and surgery time also served as significant risk factors for patient evaluated by SOP. RESULTS Risk assessment by RIFLE differed in as much as most patients with normothermia and those receiving only cardiovascular bypass developed AKI. However, patients' sex and valve surgery did not serve as a risk factor. CONCLUSION Evaluation of patients by the RIFLE versus SOP criteria yielded different results with more AKI patients detected by SOP. Based on the present data, it is concluded that patients may not prone to AKI when surgery and ischemia time will be kept short, when blood loss is mitigated to a minimum and when surgery is performed under non-hypothermic conditions.
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Affiliation(s)
- Thomas Wittlinger
- Department of Cardiology, Asklepios Hospital Goslar, Köslinerstr 12, 38642, Goslar, Germany.
| | - Martin Maus
- Department Major Surgery, St. Elisabeth Hospital, Bonn, Germany
| | - Ingo Kutschka
- Department of Cardio-Thoracic and Vascular Surgery, University Hospital Göttingen, Göttingen, Germany
| | - Hassina Baraki
- Department of Cardio-Thoracic and Vascular Surgery, University Hospital Göttingen, Göttingen, Germany
| | - Martin G Friedrich
- Department of Cardio-Thoracic and Vascular Surgery, University Hospital Göttingen, Göttingen, Germany
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Sex diversity in proximal tubule and endothelial gene expression in mice with ischemic acute kidney injury. Clin Sci (Lond) 2020; 134:1887-1909. [PMID: 32662516 DOI: 10.1042/cs20200168] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 07/09/2020] [Accepted: 07/10/2020] [Indexed: 12/22/2022]
Abstract
Female sex protects against development of acute kidney injury (AKI). While sex hormones may be involved in protection, the role of differential gene expression is unknown. We conducted gene profiling in male and female mice with or without kidney ischemia-reperfusion injury (IRI). Mice underwent bilateral renal pedicle clamping (30 min), and tissues were collected 24 h after reperfusion. RNA-sequencing (RNA-Seq) was performed on proximal tubules (PTs) and kidney endothelial cells. Female mice were resistant to ischemic injury compared with males, determined by plasma creatinine and neutrophil gelatinase-associated lipocalin (NGAL), histologic scores, neutrophil infiltration, and extent of apoptosis. Sham mice had sex-specific gene disparities in PT and endothelium, and male mice showed profound gene dysregulation with ischemia-reperfusion compared with females. After ischemia PTs from females exhibited smaller increases compared with males in injury-associated genes lipocalin-2 (Lcn2), hepatitis A virus cellular receptor 1 (Havcr1), and keratin 18 (Krt18), and no up-regulation of SRY-Box transcription factor 9 (Sox9) or keratin 20 (Krt20). Endothelial up-regulation of adhesion molecules and cytokines/chemokines occurred in males, but not females. Up-regulated genes in male ischemic PTs were linked to tumor necrosis factor (TNF) and Toll-like receptor (TLR) pathways, while female ischemic PTs showed up-regulated genes in pathways related to transport. The data highlight sex-specific gene expression differences in male and female PTs and endothelium before and after ischemic injury that may underlie disparities in susceptibility to AKI.
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Gaisendrees C, Djordjevic I, Sabashnikov A, Adler C, Eghbalzadeh K, Ivanov B, Walter SG, Braumann S, Wörmann J, Suhr L, Gerfer S, Baldus S, Mader N, Wahlers T. Gender-related differences in treatment and outcome of extracorporeal cardiopulmonary resuscitation-patients. Artif Organs 2020; 45:488-494. [PMID: 33052614 DOI: 10.1111/aor.13844] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 10/01/2020] [Accepted: 10/08/2020] [Indexed: 01/08/2023]
Abstract
Extracorporeal cardiopulmonary resuscitation (eCPR) is a rapidly growing treatment strategy due to significant improvement in selected patients' survival rates. Gender-related differences might impact the outcome of therapeutic measures. Therefore, we sought to investigate patients with eCPR at our interdisciplinary extracorporeal membrane oxygenation center regarding sex-related differences with the view to potentially adjusting current selection criteria. From January 2016 to December 2019, 71 patients underwent eCPR at our institution. Data before eCPR and early outcome parameters were analyzed comparing male and female patients. The cohort analyzed consisted of 60 male (84%) and 11 female (15%) patients. Comparing both groups, male patients significantly more frequently suffered out-of-hospital cardiac arrest (68% male vs. 36% female, P = .04), whereas female patients were associated with more in-hospital cardiac arrest (32% male vs. 64% female, P = .04). Creatinine levels differed significantly (1.5 (1.1;2.1) mg/dL in male vs. 1.0 (0.7;1.5) mg/dL in female patients, P = .03). Also, several hepatic parameters showed a significant difference between the groups: aspartate aminotransferase 423 (249;804) U/L in male vs. 115 (61;408) U/L in female patients, P = .01; alanine aminotransferase 174 (102;446) U/L in male vs. 86 (36;118) U/L in female patients, P = .01). Renal failure requiring hemodialysis occurred more frequently in men than in women (P < .01). There is a significant effect of male sex regarding renal failure with subsequent continuous venovenous hemodialysis (CVVH) (R2 = 0.11, ANOVA P = .01, 95% CI = -0.79--0.079). However, in-hospital mortality was comparable between the groups (78% in male vs. 72% in female patients, P = .68). Our retrospective study showed several gender-related differences associated with different cardiac arrest scenarios. Male sex was associated with a significantly higher risk for renal failure requiring CVVH. Survival rates were comparable between the groups. Further investigations should include gender in the evaluation of risk stratification for eCPR-related complications to further improve selection criteria for this demanding therapy.
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Affiliation(s)
| | - Ilija Djordjevic
- Department of Cardiothoracic Surgery, University Hospital of Cologne, Cologne, Germany
| | - Anton Sabashnikov
- Department of Cardiothoracic Surgery, University Hospital of Cologne, Cologne, Germany
| | - Christoph Adler
- Department of Cardiology, University Hospital of Cologne, Cologne, Germany
| | - Kaveh Eghbalzadeh
- Department of Cardiothoracic Surgery, University Hospital of Cologne, Cologne, Germany
| | - Borko Ivanov
- Department of Cardiothoracic Surgery, University Hospital of Cologne, Cologne, Germany
| | - Sebastian G Walter
- Department of Cardiothoracic Surgery, University Hospital of Cologne, Cologne, Germany
| | - Simon Braumann
- Department of Cardiology, University Hospital of Cologne, Cologne, Germany
| | - Jonas Wörmann
- Department of Cardiology, University Hospital of Cologne, Cologne, Germany
| | - Laura Suhr
- Department of Cardiothoracic Surgery, University Hospital of Cologne, Cologne, Germany
| | - Stephen Gerfer
- Department of Cardiothoracic Surgery, University Hospital of Cologne, Cologne, Germany
| | - Stephan Baldus
- Department of Cardiology, University Hospital of Cologne, Cologne, Germany
| | - Navid Mader
- Department of Cardiothoracic Surgery, University Hospital of Cologne, Cologne, Germany
| | - Thorsten Wahlers
- Department of Cardiothoracic Surgery, University Hospital of Cologne, Cologne, Germany
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