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Tian J, Shi J, Jiao Y, Liu X, An J, Yang Y, Zou G, Zhuo L. Glucocorticoid does not improve the renal prognosis of patients with diabetic nephropathy combined with acute tubulointerstitial nephritis: a retrospective analysis. Ren Fail 2024; 46:2379002. [PMID: 39023098 PMCID: PMC11259057 DOI: 10.1080/0886022x.2024.2379002] [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: 04/15/2024] [Accepted: 07/07/2024] [Indexed: 07/20/2024] Open
Abstract
BACKGROUND AND OBJECTIVES In clinical practice, some patients are diagnosed with diabetic nephropathy (DN) combined with acute tubulointerstitial nephritis (ATIN) through renal biopsy. There is relatively little research on the treatment and prognosis of such patients, and no consensus exists on the use of glucocorticoid for treatment. Therefore, our study explores the progression of DN combined with ATIN and the renal outcomes after treatment with glucocorticoid. METHODS This study retrospectively analyzed patients diagnosed with DN combined with ATIN through renal biopsy at our center from January 1, 2015, to December 31, 2021. We collected general patient information, laboratory indicators, renal pathology indicators, and the glucocorticoid usage after kidney biopsy. Follow-up data were collected from medical records. Statistical analysis methods included t-tests, non-parametric tests, and chi-square tests. Univariate and multivariate Cox regression analyses were used to evaluate the risk factors for renal endpoint events in patients. Statistical significance was defined as p-values < 0.05. RESULTS In this study, a total of 67 patients were included. The subjects were divided into two groups based on whether they received glucocorticoid treatment: 33 patients in the steroid group and 34 in the non-steroid group. In the steroid group, 19 patients reached the renal endpoint event, which was significantly higher than in the non-steroid group (57.58% vs. 29.41%, p = 0.038). Univariate Cox regression analysis showed that serum creatinine (HR = 1.008, p < 0.001), albumin (HR = 0.919, p < 0.001), 24-h urinary protein (HR = 1.093, p = 0.002), hemoglobin (HR = 0.964, p = 0.001), triglycerides (HR = 1.12, p = 0.04), and the use of glucocorticoid (HR = 2.507, p = 0.019) were influencing factors for renal endpoint events in patients with DN combined with ATIN. Multivariate Cox regression analysis showed that albumin (HR = 0.863, p = 0.003) was an independent risk factor for renal endpoint events in patients with DN combined with ATIN. CONCLUSIONS The use of glucocorticoid in treatment does not improve renal prognosis in patients with DN combined with ATIN. Lower levels of albumin are associated with a worse renal prognosis.
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Affiliation(s)
- Jingwei Tian
- Department of Nephrology, Beijing No.6 Hospital, Beijing, China
- Capital Medical University China-Japan Friendship School of Clinical Medicine, Beijing, China
| | - Jingxuan Shi
- Department of Nephrology, China-Japan Friendship Hospital, Beijing, China
- Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China
| | - Yuanyuan Jiao
- Department of Nephrology, Fuwai Hospital, Chinese Academy of Medical Science, Beijing, China
| | - Xinze Liu
- Department of Nephrology, China-Japan Friendship Hospital, Beijing, China
- Beijing University of Chinese Medicine China-Japan Friendship Clinic Medical College, Beijing, China
| | - Jiaqi An
- Department of Nephrology, China-Japan Friendship Hospital, Beijing, China
- China-Japan Friendship Clinic Medical College, Peking University, Beijing, China
| | - Yue Yang
- Department of Nephrology, China-Japan Friendship Hospital, Beijing, China
| | - Guming Zou
- Department of Nephrology, China-Japan Friendship Hospital, Beijing, China
| | - Li Zhuo
- Department of Nephrology, China-Japan Friendship Hospital, Beijing, China
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Matthys A, Dehoorne J, Dendooven A, Schelstraete P, Prytuła A. Favorable course of leptospirosis and hantavirus-induced acute tubulointerstitial nephritis under corticosteroid treatment. Pediatr Nephrol 2023; 38:3853-3857. [PMID: 37036529 DOI: 10.1007/s00467-023-05942-w] [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: 08/18/2022] [Revised: 03/04/2023] [Accepted: 03/06/2023] [Indexed: 04/11/2023]
Abstract
BACKGROUND We present two children with acute tubulointerstitial nephritis (ATIN) caused by leptospirosis in a 12-year-old boy and hantavirus in a 10-year-old girl. The role of glucocorticoids in the management of ATIN triggered by infectious agents is unclear. CASE-DIAGNOSIS/TREATMENT Both children were hospitalized with jaundice, elevated serum creatinine, and thrombocytopenia. There was no oliguria or hypertension. Urine analysis revealed tubular proteinuria. Kidney biopsy was performed on one patient and showed tubulointerstitial inflammation with mild mesangial proliferation. Both patients were treated with glucocorticoids in view of deteriorating kidney function with respective serum creatinine values of 5.2 and 4.1 mg/dl. Both children exhibited an excellent clinical and biochemical response to treatment. Neither of the patients required dialysis. Positive serology test results indicated a recent leptospirosis and hantavirus infection. CONCLUSIONS Leptospirosis and hantavirus associated ATIN share common clinical and biochemical features. Due to the low incidence in Europe these infectious causes of kidney dysfunction may be overlooked. Glucocorticoids may be considered in the management of ATIN.
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Affiliation(s)
- Annelies Matthys
- Department of Paediatric Nephrology and Rheumatology, Ghent University Hospital, ERKNet Center, Corneel Heymanslaan 10, 9000, Ghent, Belgium
- Department of Internal Medicine and Paediatrics, Ghent University, Ghent, Belgium
| | - Jo Dehoorne
- Department of Paediatric Nephrology and Rheumatology, Ghent University Hospital, ERKNet Center, Corneel Heymanslaan 10, 9000, Ghent, Belgium
- Department of Internal Medicine and Paediatrics, Ghent University, Ghent, Belgium
| | - Amélie Dendooven
- Department of Pathological Anatomy, Ghent University Hospital, Ghent, Belgium
| | - Petra Schelstraete
- Department of Internal Medicine and Paediatrics, Ghent University, Ghent, Belgium
- Department of Paediatric Pneumology and Infectious Diseases, Ghent University Hospital, Ghent, Belgium
| | - Agnieszka Prytuła
- Department of Paediatric Nephrology and Rheumatology, Ghent University Hospital, ERKNet Center, Corneel Heymanslaan 10, 9000, Ghent, Belgium.
- Department of Internal Medicine and Paediatrics, Ghent University, Ghent, Belgium.
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Saifulina E, Janabayev D, Kashkinbayev Y, Shokabaeva A, Ibrayeva D, Aumalikova M, Kazymbet P, Bakhtin M. Epidemiology of Somatic Diseases and Risk Factors in the Population Living in the Zone of Influence of Uranium Mining Enterprises of Kazakhstan: A Pilot Study. Healthcare (Basel) 2023; 11:healthcare11060804. [PMID: 36981460 PMCID: PMC10048745 DOI: 10.3390/healthcare11060804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 02/28/2023] [Accepted: 03/01/2023] [Indexed: 03/11/2023] Open
Abstract
The increase in uranium mining in Kazakhstan has brought with it a number of problems. Reducing the negative impact of radiation-toxic factors on the health of workers and the population in uranium mining regions is one of them. This article presents a pilot population health study in which we developed approaches to support residents living near an operating uranium mining enterprise. The purpose of the current study was to assess the impact of technogenic factors on the health of those living near the Syrdarya uranium ore province. Data collected from 5605 residents from the village of Bidaykol (the main group)—which is located 4 km from the uranium mining enterprise—and the village of Sunakata (the control group), which is located in the Kyzylorda region, were analyzed. A bidirectional cohort study was conducted. The prevalence of acute and chronic diseases among the residents of Bidaykol was 1.3 times higher than that in the control group. The structure of morbidity was dominated by pathologies of the genitourinary system (27%), the circulatory system (14.4%), and the respiratory system (11.9%). Relative risks (RR > 1) were identified for most classes of diseases, the highest being for diseases of the blood (RR = 2.6), skin (RR = 2.3), and genitourinary system (RR = 1.9). In the main group, renal pathologies were the most frequent class in the age group of 30–40 years, occurring mainly in women. In addition, they had a direct dependence on the duration of residence in the territory of the uranium ore province. Further studies into the interaction between the technogenic factors associated with uranium mining enterprises and the development of diseases of the urinary system are needed. This will make it possible to determine ways to prevent these pathologies in the population.
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Renal Side Effects of COVID-19 Vaccination. Vaccines (Basel) 2022; 10:vaccines10111783. [PMID: 36366292 PMCID: PMC9696189 DOI: 10.3390/vaccines10111783] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 10/17/2022] [Accepted: 10/20/2022] [Indexed: 12/31/2022] Open
Abstract
Background: The COVID-19 pandemic has imposed a challenge on global healthcare and has tremendously impacted everyone's lives. Vaccination is one of the most effective and vital strategies to halt the pandemic. However, new-onset and relapsed kidney diseases have been reported after COVID-19 vaccination. This narrative review was conducted to collect published data and generalize some hypotheses for the pathogenesis of renal side effects of COVID-19 vaccines. Methods: A systematic literature search of articles reporting renal adverse reactions, including in adults and children, in the PubMed and Web of Science databases until August 2022 was performed. Results: A total of 130 cases reporting a renal adverse reaction following COVID-19 vaccination from 90 articles were included in this review, of which 90 (69%) were new-onset kidney diseases, while 40 (31%) were relapsed kidney diseases. The most frequent renal side effects of COVID-19 vaccination were minimal change disease (52 cases), IgA nephropathy (48 cases), antineutrophil cytoplasmic autoantibody vasculitis (16 cases), and acute interstitial nephritis (12 cases). Other renal side effects occurred at a much lower frequency. Follow-up data were available for 105 patients, and 100 patients (95%) responded to the treatments. Conclusions: The number of reported cases is far less than the hundreds of millions of vaccinations, and the benefit of COVID-19 vaccination far outweighs its risks. This review will assist healthcare professionals, particularly nephrologists, who should be aware of these side effects and recognize them early and treat them efficiently.
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Azukaitis K, Besusparis J, Laurinavicius A, Jankauskiene A. Case Report: SARS-CoV-2 Associated Acute Interstitial Nephritis in an Adolescent. Front Pediatr 2022; 10:861539. [PMID: 35498789 PMCID: PMC9047909 DOI: 10.3389/fped.2022.861539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 03/18/2022] [Indexed: 12/03/2022] Open
Abstract
Acute interstitial nephritis (AIN) has been recently recognized as one of the infrequent kidney involvement phenotypes among adult patients with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Although SARS-CoV-2 associated intrinsic kidney disease has been scarcely reported in children, only one case of AIN temporally associated with the infection has been described in the pediatric population so far. We presented a case of a 12-year old boy who presented with fatigue, anorexia, and polydipsia following an RT-PCR that confirmed SARS-CoV-2 infection seven weeks prior to admission. Initial workup revealed increased serum creatinine (235 μmol/L), glucosuria, low-molecular-weight proteinuria, mild leukocyturia, and microhematuria with hyaline and granular casts on microscopy. Antibodies against the SARS-CoV-2 S protein receptor-binding domain confirmed prior infection with high titers. Kidney biopsy showed diffuse active interstitial nephritis with negative immunofluorescence and positive immunohistochemistry for SARS-CoV-2 in the inflammatory cells within the interstitium. Electron microscopy revealed several SARS-CoV-2-like particles. Kidney function continued to deteriorate despite several days of supportive therapy only (peak serum creatinine 272 μmol/L); thus, treatment with methylprednisolone pulse-dose therapy was initiated and was followed by oral prednisolone with gradual tapering. Kidney function completely recovered after 3 weeks post-discharge and remained normal after 11 weeks of follow-up (last estimated glomerular filtration rate 106 ml/min/1.73 m2) with only residual microhematuria. Our case adds to the emerging evidence of SARS-CoV-2 as a potential etiological agent of AIN in children and also suggests that interstitial kidney injury may result from secondary inflammatory damage. Epidemiological history, serologic testing, and SARS-CoV-2 detection in biopsy should be considered in the work-up of children with AIN of unknown etiology.
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Affiliation(s)
- Karolis Azukaitis
- Clinic of Pediatrics, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Justinas Besusparis
- Institute of Biomedical Sciences, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Arvydas Laurinavicius
- Institute of Biomedical Sciences, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Augustina Jankauskiene
- Clinic of Pediatrics, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
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Serafinelli J, Mastrangelo A, Morello W, Cerioni VF, Salim A, Nebuloni M, Montini G. Kidney involvement and histological findings in two pediatric COVID-19 patients. Pediatr Nephrol 2021; 36:3789-3793. [PMID: 34406477 PMCID: PMC8371583 DOI: 10.1007/s00467-021-05212-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 06/23/2021] [Accepted: 06/24/2021] [Indexed: 12/11/2022]
Abstract
BACKGROUND Histological findings of kidney involvement have been rarely reported in pediatric patients with SARS-CoV-2 infection. Here, we describe clinical, laboratory, and histological findings of two pediatric cases with almost exclusive kidney involvement by SARS-CoV-2. RESULTS A 10-year-old girl with IgA vasculitis nephritis underwent kidney biopsy, showing diffuse and segmental mesangial-proliferative glomerulonephritis, and steroid therapy was initiated. After the worsening of the clinical picture, including an atypical skin rash, she was diagnosed with SARS-CoV-2. The re-evaluation of initial biopsy showed cytoplasmatic blebs and virus-like particles in tubular cells at electron microscopy. Despite SARS-CoV-2 clearance and the intensification of immunosuppression, no improvement was observed. A second kidney biopsy showed a crescentic glomerulonephritis with sclerosis, while virus-like particles were no longer evident. The second patient was a 12-year-old girl with a 3-week history of weakness and weight loss. Rhinitis was reported the month before. No medications were being taken. Blood and urine analysis revealed elevated serum creatinine, hypouricemia, low molecular weight proteinuria, and glycosuria. A high SARS-CoV-2-IgG titre was detected. Kidney biopsy showed acute tubular-interstitial nephritis. Steroid therapy was started with a complete resolution of kidney involvement. CONCLUSION We can speculate that in both cases SARS-CoV-2 played a major role as inflammatory trigger of the kidney damage. Therefore, we suggest investigating the potential kidney damage by SARS-CoV-2 in children. Moreover, SARS-CoV-2 can be included among infectious agents responsible for pediatric acute tubular interstitial nephritis.
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Affiliation(s)
- Jessica Serafinelli
- Pediatric Nephrology, Dialysis and Transplant Unit, Fondazione IRCCS Ca' Granda - Ospedale Maggiore Policlinico Di Milano, Via Commenda 9, 20122, Milan, Italy
| | - Antonio Mastrangelo
- Pediatric Nephrology, Dialysis and Transplant Unit, Fondazione IRCCS Ca' Granda - Ospedale Maggiore Policlinico Di Milano, Via Commenda 9, 20122, Milan, Italy
| | - William Morello
- Pediatric Nephrology, Dialysis and Transplant Unit, Fondazione IRCCS Ca' Granda - Ospedale Maggiore Policlinico Di Milano, Via Commenda 9, 20122, Milan, Italy
| | | | | | - Manuela Nebuloni
- Pathology Unit, ASST Fatebenfretalli-Sacco, Department of Biological and Clinical Sciences, University of Milan, Milan, Italy
| | - Giovanni Montini
- Pediatric Nephrology, Dialysis and Transplant Unit, Fondazione IRCCS Ca' Granda - Ospedale Maggiore Policlinico Di Milano, Via Commenda 9, 20122, Milan, Italy.
- Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy.
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Caravaca-Fontán F, Fernández-Juárez G, Praga M. Acute kidney injury in interstitial nephritis. Curr Opin Crit Care 2020; 25:558-564. [PMID: 31503026 DOI: 10.1097/mcc.0000000000000654] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
PURPOSE OF REVIEW The purpose of this review is to describe the most common causes of acute interstitial nephritis (AIN), the diagnostic work-up and the therapeutic management. RECENT FINDINGS Several case series and registries have found an increasing incidence of AIN, especially among older patients. Drug-induced AIN still represents the most common cause. Early withdrawal of the culprit drug together with corticosteroid therapy remain the mainstay of treatment, although recent studies have shown that prolonged treatment beyond 8 weeks does not further improve kidney function recovery. SUMMARY AIN is a common cause of acute kidney injury, and therefore, physicians should suspect this entity especially in patients exposed to multiple medications. While immune-allergic reaction to numerous drugs is the most common cause of AIN, other underlying systemic diseases may also be involved, and therefore, every patient should undergo a complete diagnostic evaluation. Kidney biopsy provides the definitive diagnosis of AIN, and certain histologic features may help to identify the underlying condition. In drug-induced AIN, an early discontinuation of the culprit drug is the mainstay of therapy, and unless a rapid recovery of kidney function is observed, a course of glucocorticoid therapy should be initiated.
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Affiliation(s)
- Fernando Caravaca-Fontán
- Department of Nephrology, Instituto de Investigación Hospital Universitario 12 de Octubre (i+12).,Department of Medicine, Universidad Complutense de Madrid, Madrid
| | - Gema Fernández-Juárez
- Department of Nephrology, Hospital Universitario Fundación Alcorcón, Alcorcón, Spain
| | - Manuel Praga
- Department of Nephrology, Instituto de Investigación Hospital Universitario 12 de Octubre (i+12).,Department of Medicine, Universidad Complutense de Madrid, Madrid
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