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Peters B, Beige J, Siwy J, Rudnicki M, Wendt R, Ortiz A, Sanz AB, Mischak H, Reich HN, Nasic S, Mahmood D, Persson A, Fernström A, Weiner M, Stegmayr B. Dynamics of urine proteomics biomarker and disease progression in patients with IgA nephropathy. Nephrol Dial Transplant 2023; 38:2826-2834. [PMID: 37349951 PMCID: PMC10689155 DOI: 10.1093/ndt/gfad125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Indexed: 06/24/2023] Open
Abstract
BACKGROUND Immunoglobulin A nephropathy (IgAN) frequently leads to kidney failure. The urinary proteomics-based classifier IgAN237 may predict disease progression at the time of kidney biopsy. We studied whether IgAN237 also predicts progression later in the course of IgAN. METHODS Urine from patients with biopsy-proven IgAN was analyzed using capillary electrophoresis-mass spectrometry at baseline (IgAN237-1, n = 103) and at follow-up (IgAN237-2, n = 89). Patients were categorized as "non-progressors" (IgAN237 ≤0.38) and "progressors" (IgAN237 >0.38). Estimated glomerular filtration rate (eGFR) and urinary albumin-creatinine ratio slopes were calculated. RESULTS Median age at biopsy was 44 years, interval between biopsy and IgAN237-1 was 65 months and interval between IgAN237-1 and IgAN237-2 was 258 days (interquartile range 71-531). IgAN237-1 and IgAN237-2 values did not differ significantly and were correlated (rho = 0.44, P < .001). Twenty-eight percent and 26% of patients were progressors based on IgAN237-1 and IgAN237-2, respectively. IgAN237 inversely correlated with chronic eGFR slopes (rho = -0.278, P = .02 for score-1; rho = -0.409, P = .002 for score-2) and with ±180 days eGFR slopes (rho = -0.31, P = .009 and rho = -0.439, P = .001, respectively). The ±180 days eGFR slopes were worse for progressors than for non-progressors (median -5.98 versus -1.22 mL/min/1.73 m2 per year for IgAN237-1, P < .001; -3.02 vs 1.08 mL/min/1.73 m2 per year for IgAN237-2, P = .0047). In multiple regression analysis baseline progressor/non-progressor according to IgAN237 was an independent predictor of eGFR180days-slope (P = .001). CONCLUSION The urinary IgAN237 classifier represents a risk stratification tool in IgAN also later in the course of the dynamic disease. It may guide patient management in an individualized manner.
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Affiliation(s)
- Björn Peters
- Department of Molecular and Clinical Medicine, Institute of Medicine, the Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
- Department of Nephrology, Skaraborg Hospital, Skövde, Sweden
| | - Joachim Beige
- Kuratorium for Dialysis and Transplantation, Neu Isenburg/Leipzig, Germany
- Division of Nephrology, Rheumatology and Endocrinology, Martin-Luther University Halle-Wittenberg, Halle/Saale., Germany
| | | | - Michael Rudnicki
- Department of Internal Medicine IV – Nephrology and Hypertension, Medical University Innsbruck, Innsbruck, Austria
| | - Ralph Wendt
- Division of Nephrology and KfH Renal Unit, Hospital St Georg, Leipzig, Germany
| | - Alberto Ortiz
- Instituto de Investigación Sanitaria Fundación Jiménez Díaz (IIS-FJD UAM), Madrid, Spain
| | - Ana Belen Sanz
- Instituto de Investigación Sanitaria Fundación Jiménez Díaz (IIS-FJD UAM), Madrid, Spain
| | | | - Heather N Reich
- Department of Medicine, University of Toronto and Division of Nephrology, University Health Network, Toronto, Ontario, Canada
- Gabor Zellerman Chair in Nephrology Research, University of Toronto, Toronto, Ontario, Canada
| | - Salmir Nasic
- Department of Molecular and Clinical Medicine, Institute of Medicine, the Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
- Research and Development Centre at Skaraborg Hospital, Skövde, Sweden
| | - Dana Mahmood
- Department of Public Health and Clinical Medicine, Unit Östersund, Umeå University, Umea, Sweden
| | - Anders Persson
- Department of Public Health and Clinical Medicine, Unit Sundsvall, Umeå University, Umea, Sweden
| | - Anders Fernström
- Department of Nephrology and Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
| | - Maria Weiner
- Department of Nephrology and Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
| | - Bernd Stegmayr
- Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
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Nikolaishvili M, Pazhava A, Di Lernia V. Viral Infections May Be Associated with Henoch-Schönlein Purpura. J Clin Med 2023; 12:697. [PMID: 36675626 PMCID: PMC9862009 DOI: 10.3390/jcm12020697] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 01/05/2023] [Accepted: 01/10/2023] [Indexed: 01/17/2023] Open
Abstract
Henoch-Schönlein purpura or IgA vasculitis is the most common type of pediatric vasculitis that may affect adults as well. It is classified as a type of small-vessel vasculitis. It can cause cutaneous and systemic symptoms with a minority of patients developing kidney failure. Little is known about the specific pathophysiology of this disorder, except that it is believed to occur in individuals with abnormally glycosylated IgA1. Serum aberrant IgA1 may form large antigen-antibody complexes which, due to a defective clearance, are able to deposit in the small vessels of the skin, kidney, gut, and joints. A variety of factors, including infectious agents, drugs, and vaccines, have been identified as potential triggers. The majority of cases are preceded by upper respiratory tract infections, and seasonal variations suggest a link with many pathogens. The etiologic agent most frequently associated with IgA vasculitis historically have been group A β-hemolytic streptococcus and common respiratory tract viruses. However, during the current coronavirus pandemic, SARS-CoV-2 infection was identified as a main trigger factor. In addition, IgA vasculitis has been observed following COVID-19 immunization. This review provides insights into the state of the art on the relationship between viral infections, viral vaccines, and Henoch-Schönlein purpura.
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Affiliation(s)
- Mariam Nikolaishvili
- Faculty of Medicine, Ivane Javakhishvil Tbilisi State University, 0179 Tbilisi, Georgia
| | - Ani Pazhava
- American MD Program, Tbilisi State Medical University, 0186 Tbilisi, Georgia
| | - Vito Di Lernia
- Dermatology Unit, Arcispedale Santa Maria Nuova, Azienda USL-IRCCS di Reggio Emilia, 42123 Reggio Emilia, Italy
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3
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Girao A, Fernandes JA, Mira FS, Pina R. Immunoglobulin a (IgA) Vasculitis in the Elderly. Cureus 2023; 15:e34422. [PMID: 36874655 PMCID: PMC9978861 DOI: 10.7759/cureus.34422] [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] [Accepted: 01/30/2023] [Indexed: 02/02/2023] Open
Abstract
IgA vasculitis is a small vessel vasculitis mediated by the deposition of IgA immune complexes. It mostly occurs in children and is rare in adults, with increased severity and mortality in the latter. Its aetiology remains largely unknown, and its prognosis depends primarily on the extent of renal involvement. We present the case of a 71-year-old woman with purpuric lesions in both lower and upper limbs associated with fever, abdominal pain, vomiting and blood in her stools for the past month. The patient was diagnosed with IgA vasculitis and the full systemic involvement (renal, dermatological, intestinal, and cerebral) of the disease was identified with excellent response to parenteral corticotherapy.
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Affiliation(s)
- Adriana Girao
- Internal Medicine Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, PRT
| | - José A Fernandes
- Internal Medicine Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, PRT
| | - Filipe S Mira
- Nephrology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, PRT
| | - Rui Pina
- Internal Medicine Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, PRT
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4
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Nishikura N, Ohta R, Katagiri N, Okayasu T, Sano C. Refractory Immunoglobulin A (IgA) Vasculitis in an Elderly Patient: A Case Report. Cureus 2022; 14:e28996. [PMID: 36249629 PMCID: PMC9549259 DOI: 10.7759/cureus.28996] [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] [Accepted: 09/09/2022] [Indexed: 11/24/2022] Open
Abstract
Immunoglobulin A (IgA) vasculitis is small-vessel arteritis triggered by autoimmunity and allergies. IgA vasculitis among elderly patients is rare, and there is a lack of evidence regarding the choice of medicine and treatment duration. The main treatment for IgA vasculitis is steroids which can be cured with a small dose of prednisolone without immunosuppressants. Here, we report a case of a 90-year-old patient with the chief complaint of appetite loss and purpura on the legs who was diagnosed with IgA vasculitis based on biopsy results. The patient was initially treated with prednisolone effectively but exacerbated with steroid tapering, eventually requiring the use of an immunosuppressant. This case highlights the importance of monitoring the symptoms of IgA vasculitis while tapering steroids and clarifying the timing of immunosuppressant initiation.
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Sato H, Takase K, Matsui K, Ishitobi T, Onuma H, Kin S, Ito T. IgA Vasculitis in an Oldest-old Patient Successfully Treated with Glucocorticoid. Intern Med 2022; 61:213-216. [PMID: 34176841 PMCID: PMC8851165 DOI: 10.2169/internalmedicine.7576-21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
A 94-year-old man was diagnosed with immunoglobulin A vasculitis (IgAV), and losartan was initiated. His renal function rapidly deteriorated over a month; therefore, methylprednisolone was administered intravenously for three days followed by oral prednisolone. Renal function improvement and both proteinuria and hematuria remission were observed within six months. Prednisolone tapering was completed at eight months. In this case, we monitored the patient carefully and started glucocorticoids as soon as the patient's renal function deteriorated. We were thus able to treat the patient with a relatively small dose of glucocorticoids in a short treatment period without any adverse events due to glucocorticoids.
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Affiliation(s)
- Hirotaka Sato
- Division of Nephrology, Shimane Prefectural Central Hospital, Japan
| | - Kentaro Takase
- Division of Nephrology, Shimane Prefectural Central Hospital, Japan
| | - Kosuke Matsui
- Division of Nephrology, Izumo Citizens Hospital, Japan
| | - Tomoko Ishitobi
- Division of Dermatology, Shimane Prefectural Central Hospital, Japan
| | - Hideyuki Onuma
- Division of Pathology, Shimane Prefectural Central Hospital, Japan
| | - Seikon Kin
- Division of Nephrology, Shimane Prefectural Central Hospital, Japan
| | - Takafumi Ito
- Division of Nephrology, Department of Internal Medicine, Shimane University Faculty of Medicine, Japan
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Yim SK, Seo SY. IgA vasculitis mimicking drug-induced skin reaction and infectious colitis in an elderly patient: A case report. Medicine (Baltimore) 2021; 100:e27726. [PMID: 34871270 PMCID: PMC8568418 DOI: 10.1097/md.0000000000027726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 10/22/2021] [Indexed: 01/05/2023] Open
Abstract
RATIONALE Immunoglobulin A vasculitis (IgAV) in adults is rare and shows worse symptoms and prognosis. In real-life clinics, IgAV in elderly patients may be difficult to diagnose because of its rarity and other common diseases to consider. This study reports a case of IgAV mimicking drug-induced skin reaction in an elderly patient. PATIENT CONCERNS A 74-year-old female without any underlying disease presented to our emergency department as she was suffering from lower abdominal pain and diarrhea for 3 weeks. The patient was diagnosed with infectious colitis, and antibiotic treatment was administered at a local clinic. At presentation, the patient had rashes on both lower legs that developed after the antibiotic treatment, which was assumed as a drug eruption. Although antibiotic treatment was continued, the patient had persistent abdominal pain, diarrhea, hematochezia, and rashes. Proteinuria was developed on urinalysis. DIAGNOSES Infectious colitis, IgAV. INTERVENTIONS Sigmoidoscopy revealed easily bleeding erythematous mucosal lesions from the descending colon to the rectum. IgAV was suspected, and thus skin biopsy was performed. Histological findings of the skin biopsy showed leukocytoclastic vasculitis, which is compatible with IgAV. A nonsteroidal anti-inflammatory drug was administered for abdominal pain. The patient showed persistent proteinuria and a systemic steroid (prednisolone 50 mg [1 mg/kg]) was started. OUTCOMES After administration of the nonsteroidal anti-inflammatory drug, the patient's abdominal pain was resolved rapidly. Under systemic steroid treatment, the patient showed significant symptomatic improvements, and after 2 weeks, the skin and colonic mucosal lesions were completely resolved. LESSONS We present a case of adult-onset IgAV, which was initially diagnosed with infectious colitis and drug eruption. The history of skin reaction development after antibiotic treatment and the rarity of IgAV in elderly patients masked the diagnosis of IgAV. Despite its rarity, IgAV should be highly suspected in elderly patients with rashes, proteinuria, and signs of colitis.
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Affiliation(s)
- Sung Kyun Yim
- Department of Internal Medicine, Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Republic of Korea
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Nakagawa N, Mizuno M, Kato S, Maruyama S, Sato H, Nakaya I, Sugiyama H, Fujimoto S, Miura K, Matsumura C, Gotoh Y, Suzuki H, Kuroki A, Yoshino A, Nakatani S, Hiromura K, Yamamoto R, Yokoyama H, Narita I, Isaka Y. Demographic, clinical characteristics and treatment outcomes of immune-complex membranoproliferative glomerulonephritis and C3 glomerulonephritis in Japan: A retrospective analysis of data from the Japan Renal Biopsy Registry. PLoS One 2021; 16:e0257397. [PMID: 34520493 PMCID: PMC8439563 DOI: 10.1371/journal.pone.0257397] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 09/01/2021] [Indexed: 12/14/2022] Open
Abstract
The reclassification of membranoproliferative glomerulonephritis (MPGN) into immune-complex MPGN (IC-MPGN) and C3 glomerulopathy (C3G) based on immunofluorescence findings in kidney biopsies has provided insights into these two distinct diseases. C3G is further classified into dense deposit disease and C3 glomerulonephritis (C3GN) based on electron micrographic findings. Although these diseases have poor outcomes, limited Japanese literature confined to small, single-center cohorts exist on these diseases. We retrospectively analyzed 81 patients with MPGN type I and III from 15 hospitals in the Japan Renal Biopsy Registry to compare demographic, clinical characteristics and treatment outcomes of patients with IC-MPGN to those with C3GN. Of the 81 patients reviewed by immunofluorescence findings in kidney biopsies, 67 patients had IC-MPGN and 14 patients had C3GN. Age at diagnosis and systolic and diastolic pressure were higher and proteinuria and impaired renal function were significantly more prevalent in patients with IC-MPGN than those with C3GN. About 80% of the patients in both groups were treated with immunosuppressive therapy. At last follow-up (median 4.8 years), complete remission rate of proteinuria was significantly higher in patients with C3GN (64.3%) than in those with IC-MPGN (29.9%; P = 0.015). The renal survival rate was lower in patients with IC-MPGN when compared to C3GN (73.1% vs. 100%; log-rank, P = 0.031). Systolic blood pressure and renal function at baseline were independent predictors of progression to end-stage kidney disease. The overall prognosis of patients with C3GN is more favorable than for patients with IC-MPGN.
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Affiliation(s)
- Naoki Nakagawa
- Division of Cardiology, Nephrology, Pulmonology and Neurology, Department of Internal Medicine, Asahikawa Medical University, Asahikawa, Japan
- * E-mail:
| | - Masashi Mizuno
- Department of Nephrology, Nagoya University Graduate School of Medicine, Nagoya, Japan
- Renal Replacement Therapy, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Sawako Kato
- Department of Nephrology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Shoichi Maruyama
- Department of Nephrology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Hiroshi Sato
- Clinical Pharmacology and Therapeutics, Tohoku University, Graduate School of Pharmaceutical Sciences, Sendai, Japan
| | - Izaya Nakaya
- Department of Nephrology and Rheumatology, Iwate Prefectural Central Hospital, Morioka, Japan
| | - Hitoshi Sugiyama
- Department of Human Resource Development of Dialysis Therapy for Kidney Disease, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Shouichi Fujimoto
- Faculty of Medicine, Department of Hemovascular Medicine and Artificial Organs, University of Miyazaki, Miyazaki, Japan
| | - Kenichiro Miura
- Department of Pediatric Nephrology, Tokyo Women’s Medical University, Tokyo, Japan
| | - Chieko Matsumura
- Department of Pediatrics, National Hospital Organization Chibahigashi National Hospital, Chiba, Japan
| | - Yoshimitsu Gotoh
- Department of Pediatric Nephrology, Japanese Red Cross Aichi Medical Center Nagoya Daini Hospital, Nagoya, Japan
| | - Hitoshi Suzuki
- Faculty of Medicine, Department of Nephrology, Juntendo University, Tokyo, Japan
| | - Aki Kuroki
- Division of Nephrology, Department of Medicine, Showa University School of Medicine, Tokyo, Japan
| | - Atsunori Yoshino
- Department of Nephrology, Dokkyo Medical University Saitama Medical Center, Koshigaya, Japan
| | - Shinya Nakatani
- Department of Metabolism, Endocrinology and Molecular Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Keiju Hiromura
- Department of Nephrology and Rheumatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Ryohei Yamamoto
- Health and Counseling Center, Osaka University, Toyonaka, Japan
| | - Hitoshi Yokoyama
- Department of Nephrology, Kanazawa Medical University School of Medicine, Uchinada, Japan
| | - Ichiei Narita
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Yoshitaka Isaka
- Department of Nephrology, Osaka University Graduate School of Medicine, Suita, Japan
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Weissman AS, Patel VS, Mushfiq O. Case of Gut Necrosis in Adult-Onset Immunoglobulin A Vasculitis (Henoch-Schönlein Purpura). J Investig Med High Impact Case Rep 2021; 8:2324709620925565. [PMID: 32434396 PMCID: PMC7243385 DOI: 10.1177/2324709620925565] [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] [Indexed: 11/15/2022] Open
Abstract
Immunoglobulin A vasculitis (IgAV), formerly known as Henoch-Schönlein purpura, is an immune-mediated small vessel vasculitis characterized by palpable purpura, arthralgia, abdominal pain, and renal disease. It is primarily a childhood disease and usually resolves spontaneously with supportive therapy. Treatment of IgAV in adults is controversial with no clearly established guidelines. We report a rare case of IgAV in an adult male who developed gut necrosis and perforation while receiving glucocorticoid therapy for treatment of acute glomerulonephritis. A 44-year-old male was admitted with joint pain, leg swelling, mild abdominal pain, and a diffuse rash. Laboratory values revealed acute kidney injury with significant proteinuria and hematuria. The patient was started on glucocorticoid therapy for suspected IgAV nephritis, which was confirmed by kidney biopsy. Several days later, he complained of worsening abdominal pain. Imaging demonstrated bowel ischemia and perforation requiring multiple abdominal surgeries. The patient was critically ill in the intensive care unit with worsening renal failure requiring dialysis. He was discharged a month later after gradual recovery with stable but moderately impaired kidney function. IgAV is less common in adults; however, the disease is more severe with a higher risk of long-term complications. Adult patients with renal involvement may benefit from glucocorticoid therapy in preventing progression to end-stage renal disease. However, glucocorticoids may mask the symptoms of abdominal complications like gut necrosis and perforation causing delay in diagnosis and treatment. Therefore, vigilance to detect early signs of gut ischemia is imperative when treating an adult case of IgAV nephritis with glucocorticoids.
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Affiliation(s)
| | | | - Omar Mushfiq
- Medical College of Georgia at Augusta University, Augusta, GA, USA
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9
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Sugimoto H, Yamaguchi Y, Yumura W, Takei T. Efficacy and safety of low-dose corticosteroid with azathioprine in the treatment of elderly-onset IgA vasculitis with nephritis. BMJ Case Rep 2021; 14:14/6/e241422. [PMID: 34083191 DOI: 10.1136/bcr-2020-241422] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
The diagnosis of elderly-onset IgA vasculitis (IgAV) and its prognosis can be difficult to ascertain because of its rarity and the frequent presence of comorbidities. Furthermore, the treatment of elderly-onset IgAV remains controversial. We report a case of IgAV in an 87-year-old patient. Renal involvement was detected early during the IgAV follow-up. He was treated with low-dose corticosteroid and azathioprine, which led to a complete remission without any adverse effects. This suggests that precise intervention with early diagnosis and careful renal follow-up may prevent renal failure and that low-dose steroids with azathioprine can be an effective treatment for elderly-onset IgAV with nephritis.
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Affiliation(s)
- Hikaru Sugimoto
- Department of Nephrology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Japan
| | - Yasuko Yamaguchi
- Department of Nephrology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Japan
| | - Wako Yumura
- Department of Nephrology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Japan
| | - Takashi Takei
- Department of Nephrology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Japan
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10
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Khader Y, Burmeister C, Patel D, Ambati A, Altorok N. Henoch-Schonlein Purpura Presenting as Upper Gastrointestinal Bleed in an Adult Patient. Cureus 2021; 13:e13879. [PMID: 33868843 PMCID: PMC8043251 DOI: 10.7759/cureus.13879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Henoch-Schonlein purpura (HSP) is a multi-system autoimmune disease that is relatively common in pediatric patients. HSP usually manifests as palpable purpura, arthralgia, abdominal pain, and acute kidney injury. Here, we present a case of an adult male with hematemesis as the initial presenting symptom of HSP. A previously healthy, 18-year-old Caucasian male presented with a one-day history of hematemesis associated with abdominal pain and non-bloody diarrhea. He also reported bilateral knee and ankle arthralgias with a painless skin rash on both lower extremities. Physical exam was positive for palpable, purpuric, non-blanchable skin rash involving bilateral lower extremities. Notable labs on admission included a white cell count of 10.8 x 109/L and C-reactive protein of 4.8 mg/L. Upper endoscopy showed non-bleeding erosive gastropathy and duodenal erosions. Skin biopsy of the left leg showed immunoglobulin A (IgA) deposition within the walls of the superficial dermal vessels. The patient was started on intravenous methylprednisolone 500 mg daily followed by a steroid taper. Due to incomplete clinical response to steroids, mycophenolate mofetil 1000 mg twice daily was added and maintained for three months. His symptoms improved significantly, and he no longer complained of abdominal pain or diarrhea. Gastrointestinal manifestations are common in HSP patients. However, the diagnosis will be challenging when these symptoms precede other classical manifestations of HSP. History and physical exam are key components in accurately diagnosing HSP; nevertheless, skin biopsy remains the gold standard to confirm the diagnosis.
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Affiliation(s)
- Yasmin Khader
- Internal Medicine, University of Toledo, Toledo, USA
| | | | - Dipen Patel
- Internal Medicine, University of Toledo, Toledo, USA
| | - Amala Ambati
- Internal Medicine, University of Toledo, Toledo, USA
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11
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Audemard-Verger A, Pillebout E, Baldolli A, Gouellec NL, Augusto JF, Jourde-Chiche N, Raffray L, Thervet E, Deroux A, Goutte J, Hummel A, Lioger B, Sanges S, Cacoub P, Amoura Z, Moulis G, Maurier F, Lavigne C, Urbanski G, Chanal J, Faguer S, Deriaz S, Feirreira-Maldent N, Diot E, Maillot F, Guillevin L, Terrier B. Impact of aging on phenotype and prognosis in IgA vasculitis. Rheumatology (Oxford) 2021; 60:4245-4251. [PMID: 33410479 DOI: 10.1093/rheumatology/keaa921] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 11/19/2020] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVES Immunoglobulin A vasculitis (IgAV) is a small-vessel vasculitis most frequently benign in children while the disease is more severe in adults. We aimed to study the impact of age on presentation and outcome of adult IgAV. METHODS We conducted a nationwide retrospective study including 260 IgAV patients. Patients were divided into four quartiles according to the age at IgAV diagnosis: <36; 36≤age < 52; 52≤age < 63 and ≥63 years. Comparison of presentation and outcome were performed according to age of disease onset. RESULTS Mean age at diagnosis was 50.1 ± 18 years and 63% were male. IgAV diagnosed in the lowest quartile of age was associated with more frequent joint (p< 0.0001) and gastrointestinal involvement (p= 0.001). In contrast, the oldest patients had more severe purpura with necrotic lesions (p= 0.001) and more frequent renal involvement (p< 0.0001), with more frequent hematuria, renal failure, higher urine protein excretion and more frequent tubulointerstitial lesions. Patients were treated similarly in all groups of age, and clinical response and relapse rates were similar between groups. In the 127 treated patients with follow-up data for >6 months, clinical response and relapse rates were similar between the four groups. Median follow-up was of 17.2 months (9.1-38.3 months). Renal failure at the end of follow-up was significantly more frequent in the highest quartile of age (p= 0.02), but the occurrence of end-stage renal disease was similar in all groups. Last, overall and IgAV-related deaths were associated with increase age. CONCLUSION Aging negatively impacts the severity and outcome of IgAV in adults. Younger patients have more frequent joint and gastrointestinal involvement, while old patients display more frequent severe purpura and glomerulonephritis.
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Affiliation(s)
- Alexandra Audemard-Verger
- Department of Internal Medicine and Clinical Immunology, CHRU Tours, Tours, France.,University of Tours, Tours, France
| | - Evangéline Pillebout
- Department of Nephrology, Hôpital Saint Louis, Assistance Publique-Hôpitaux de Paris (AP-HP), Université Paris Descartes, Paris, France
| | | | - Noémie Le Gouellec
- Department of Internal Medicine and Nephrology, CH de Valenciennes, Valenciennes, France
| | | | - Noémie Jourde-Chiche
- Aix-Marseille Université, C2VN, INSERM, INRAE, Department of Nephrology, AP-HM, Marseille, France
| | - Loic Raffray
- Department of Internal Medicine, CHU de la Réunion, La Réunion, France.,Université de La Réunion, UMR Processus Infectieux en Milieu Insulaire Tropical (PIMIT), INSERM 1187, CNRS 9192, IRD 249, France La Réunion
| | - Eric Thervet
- Department of Nephrology, Hôpital Européen Georges Pompidou, Assistance Publique-Hôpitaux de Paris (AP-HP), Université de Paris, Paris, France
| | - Alban Deroux
- Department of Internal Medicine, CHU de Grenoble, Grenoble, France
| | - Julie Goutte
- Department of Internal Medicine, CHU de St Etienne, St Etienne, France
| | - Aurélie Hummel
- Department of Nephrology, Hôpital Necker, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Bertrand Lioger
- Department of Internal Medicine, Hopital de Blois, Blois, France
| | - Sébastien Sanges
- CHU Lille, Département de Médecine Interne et Immunologie Clinique, France, Lille
| | - Patrice Cacoub
- Department of Internal Medicine and Clinical Immunology, Hôpital Pitié-Salpétrière, AP-HP, Paris, France.,Inflammation-Immunopathology-Biotherapy Department (DHU i2B), UMR 7211, UPMC Université Paris 06, Sorbonne Universités, Paris, France
| | - Zahir Amoura
- Department of Internal Medicine, Hôpital Pitié-Salpétrière, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Guillaume Moulis
- Department of of Internal Medicine, CHU de Toulouse, Toulouse, France.,Clinical Investigation Center 1436, Toulouse University hospital, Toulouse, France
| | | | | | | | - Johan Chanal
- Department of Dermatology, Hôpital Tarnier, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Stanislas Faguer
- Department of Nephrology and Organ Transplantation, CHU de Toulouse, Toulouse, France
| | - Sophie Deriaz
- Department of Internal Medicine and Clinical Immunology, CHRU Tours, Tours, France
| | | | - Elisabeth Diot
- Department of Internal Medicine and Clinical Immunology, CHRU Tours, Tours, France
| | - Francois Maillot
- Department of Internal Medicine and Clinical Immunology, CHRU Tours, Tours, France.,University of Tours, Tours, France
| | - Loïc Guillevin
- Université Paris Descartes, Paris, France.,Department of Internal Medicine, Hôpital Cochin, Paris, France.,National Referral Center for Systemic and Autoimmune Diseases, Hôpital Cochin, Paris, France
| | - Benjamin Terrier
- Université Paris Descartes, Paris, France.,Department of Internal Medicine, Hôpital Cochin, Paris, France.,National Referral Center for Systemic and Autoimmune Diseases, Hôpital Cochin, Paris, France
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12
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Ozeki T, Maruyama S, Nagata M, Shimizu A, Sugiyama H, Sato H, Yokoyama H. The revised version 2018 of the nationwide web-based registry system for kidney diseases in Japan: Japan Renal Biopsy Registry and Japan Kidney Disease Registry. Clin Exp Nephrol 2020; 24:1058-1068. [PMID: 32761468 PMCID: PMC7524691 DOI: 10.1007/s10157-020-01932-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Accepted: 07/08/2020] [Indexed: 12/15/2022]
Abstract
Background The Japan Renal Biopsy Registry (J-RBR), the first nation-wide registry of renal biopsies in Japan, was established in 2007, and expanded to include non-biopsy cases as the Japan Kidney Disease Registry (J-KDR) in 2009. The J-RBR/J-KDR is one of the biggest registries for kidney diseases. It has revealed the prevalence and distribution of kidney diseases in Japan. This registry system was meant to be revised after 10 years. Methods In 2017, the Committees of the Japanese Society of Nephrology started a project for the revision of the J-RBR/J-KDR. The revised system was designed in such a way that the diagnoses of the patients could be selected from the Diagnosis Panel, a list covering almost all known kidney diseases, and focusing on their pathogenesis rather than morphological classification. The Diagnosis Panel consists of 22 categories (18 glomerular, 1 tubulointerstitial, 1 congenital/genetical, 1 transplant related, and 1 other) and includes 123 diagnostic names. The items for clinical diagnosis and laboratory data were also renewed, with the addition of the information on immunosuppressive treatment. Results The revised version of J-RBR/J-KDR came into use in January 2018. The number of cases registered under the revised system was 2748 in the first year. The total number of cases has reached to 43,813 since 2007. Conclusion The revised version 2018 J-RBR/J-KDR system attempts to cover all kidney diseases by focusing on their pathogenesis. It will be a new platform for the standardized registration of kidney biopsy cases that provides more systemized data of higher quality. Electronic supplementary material The online version of this article (10.1007/s10157-020-01932-6) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Takaya Ozeki
- Department of Nephrology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Shoichi Maruyama
- Department of Nephrology, Nagoya University Graduate School of Medicine, Nagoya, Japan.
| | - Michio Nagata
- Faculty of Medicine, Kidney and Vascular Pathology, University of Tsukuba, Tsukuba, Japan
| | - Akira Shimizu
- Department of Analytic Human Pathology, Nippon Medical School, Tokyo, Japan
| | - Hitoshi Sugiyama
- Department of Human Resource Development of Dialysis Therapy for Kidney Disease, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Hiroshi Sato
- Department of Internal Medicine, Sendai Hospital of East Japan Railway Company, Sendai, Japan
| | - Hitoshi Yokoyama
- Department of Nephrology, Kanazawa Medical University School of Medicine, Uchinada, Japan
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13
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Sugimoto H, Matsuno S, Yamanaka N, Yumura W, Itabashi M, Takei T. Low-dose corticosteroid with mizoribine might be an effective therapy for elderly-onset ISKDC grade VI IgA vasculitis. CEN Case Rep 2020; 10:46-52. [PMID: 32754805 DOI: 10.1007/s13730-020-00513-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 07/22/2020] [Indexed: 11/24/2022] Open
Abstract
Both the diagnosis of elderly-onset IgA vasculitis (IgAV) and its prognosis can be difficult because of its rarity and the likely presence of comorbidities. Furthermore, the treatment of elderly-onset IgAV remains controversial: the ideal dosages of corticosteroid and/or immunosuppressants have not been determined. In the elderly, corticosteroid adverse effects can lead to severe outcomes, and a consensus regarding its benefit and risk balance has not been reached. We report a case of IgAV in an 89-year-old patient who was admitted to our hospital to investigate a 30-day history of palpable purpura and pitting edema on her leg. A renal biopsy showed membranoproliferative glomerulonephritis with IgA deposits (The International Study of Kidney Disease in Children (ISKDC) grade VI), which is a predictor of a poor prognosis; these findings led to early intervention with low-dose corticosteroid (15 mg/day) and mizoribine. As a result, a complete remission without obvious adverse effects was obtained. Early intervention with low-dose corticosteroid and mizoribine based on renal histopathology results might be an effective treatment for elderly-onset ISKDC grade VI IgAV.
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Affiliation(s)
- Hikaru Sugimoto
- Department of Nephrology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo, 173-0015, Japan.
| | - Shiho Matsuno
- Department of Nephrology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo, 173-0015, Japan
| | - Noriko Yamanaka
- Department of Nephrology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo, 173-0015, Japan
| | - Wako Yumura
- Department of Nephrology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo, 173-0015, Japan
| | - Mitsuyo Itabashi
- Department of Nephrology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo, 173-0015, Japan
| | - Takashi Takei
- Department of Nephrology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo, 173-0015, Japan
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14
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López-Gómez JM, Rivera F. Spanish Registry of glomerulonephritis 2020 revisited: past, current data and new challenges. Nefrologia 2020; 40:371-383. [PMID: 32646677 DOI: 10.1016/j.nefro.2020.04.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 04/16/2020] [Indexed: 01/10/2023] Open
Affiliation(s)
| | - Francisco Rivera
- Nefrología, Hospital General Universitario de Ciudad Real, Ciudad Real, España
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15
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Adult-Onset Immunoglobulin A Vasculitis. ACG Case Rep J 2020; 7:e00306. [PMID: 32337300 PMCID: PMC7162119 DOI: 10.14309/crj.0000000000000306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Accepted: 11/07/2019] [Indexed: 11/26/2022] Open
Abstract
Immunoglobulin A vasculitis (IgAV), formerly Henoch–Schönlein purpura vasculitis, is a vasculitis commonly seen in children and only rarely described in adult patients. IgAV can present as arthralgia, rash, discolored urine, acute kidney injury, and gastrointestinal symptoms. We present a case of a 56-year-old man who presented with 1 month of worsening abdominal pain followed by a bilateral lower extremity rash. Laboratory evaluation indicated an acute kidney injury. Computed tomography and colonoscopy revealed terminal ileitis while kidney biopsy confirmed a diagnosis of IgAV.
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16
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Honda S, Katsumata Y, Karasawa K, Yamanaka H, Harigai M. Management of End-stage Renal Disease Associated with Systemic Rheumatic Diseases. JMA J 2020; 3:20-28. [PMID: 33324772 PMCID: PMC7733740 DOI: 10.31662/jmaj.2019-0020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Accepted: 07/22/2019] [Indexed: 11/15/2022] Open
Abstract
The outcomes of rheumatic diseases (RDs) have improved over the past decades. However, a significant proportion of the patients still suffer from end-stage renal disease (ESRD) and have to bear the burden of hemodialysis. It is crucial to prevent patients with RDs from developing ESRD from viewpoints of medicine and medical economics. For those who already have ESRD, it is important to improve vial prognosis and quality of life through appropriate management of disease activity and comorbidities related to ESRD. Thus, rheumatologists and nephrologists need to recognize risk factors associated with progression to ESRD along with their appropriate management. Although the activity of most RDs tends to decrease after initiation of hemodialysis, disease activity may still increase, and recognizing how to appropriately use immunosuppressive agents even after the development of ESRD is crucial. The treatment of RDs needs extra attention as hydroxychloroquine requires more frequent monitoring for adverse drug reactions; therapeutic drug monitoring is necessary for mycophenolate mofetil, cyclosporine A, and tacrolimus; cyclophosphamide and azathioprine need dose adjustments; methotrexate and bucillamine are contraindicated in patients with ESRD; leflunomide and sulfasalazine do not require significant dose reduction and iguratimod should be carefully administered. The pharmacokinetics of biological agents such as rituximab or belimumab are not affected by ESRD, and dose adjustments are not necessary. Collaboration between rheumatologists and nephrologists is needed more than ever and is expected to produce a complementary effect and achieve better outcomes in clinical settings, although this cooperation has not always been conducted appropriately.
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Affiliation(s)
- Suguru Honda
- Department of Rheumatology, School of Medicine, Tokyo Women's Medical University, Tokyo, Japan
| | - Yasuhiro Katsumata
- Department of Rheumatology, School of Medicine, Tokyo Women's Medical University, Tokyo, Japan
| | - Kazunori Karasawa
- Department of Nephrology, School of Medicine, Tokyo Women's Medical University, Tokyo, Japan
| | - Hisashi Yamanaka
- Department of Rheumatology, School of Medicine, Tokyo Women's Medical University, Tokyo, Japan
| | - Masayoshi Harigai
- Department of Rheumatology, School of Medicine, Tokyo Women's Medical University, Tokyo, Japan
- Division of Epidemiology and Pharmacoepidemiology, Department of Rheumatology, School of Medicine, Tokyo Women's Medical University, Tokyo, Japan
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17
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Shimamura Y, Maeda T, Nishizawa K, Ogawa Y, Takizawa H. Gastrointestinal bleeding is associated with renal prognosis in adult patients with IgA vasculitis with nephritis. J Gen Fam Med 2019; 21:10-17. [PMID: 31911884 PMCID: PMC6942937 DOI: 10.1002/jgf2.285] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 09/03/2019] [Accepted: 09/25/2019] [Indexed: 11/16/2022] Open
Abstract
Background Although the prediction of renal prognosis in patients with IgA vasculitis with nephritis (IgAVN) is important, the association between gastrointestinal bleeding (GIB) and its renal prognosis is unknown. This study investigated the effect of GIB on the progression to end‐stage kidney disease (ESKD) in patients with IgAVN. Methods We compared the clinicopathological findings at diagnosis, therapy, and clinical outcomes between 10 patients with GIB and 20 patients without GIB in 30 patients with IgAVN aged ≥18 years at the renal biopsy. The primary outcome was the incidence of ESKD. Secondary outcomes included clinical remission and all‐cause mortality. The outcomes and factors affecting the progression to ESKD were evaluated using the Kaplan‐Meier method with log‐rank test and Cox proportional hazards models. Results End‐stage kidney disease, clinical remission, and deaths from any related cause occurred in 6, 17, and 2 patients, respectively. In Kaplan‐Meier analyses, the GIB group showed a higher incidence of ESKD (50% vs 5%, P = .003) and a lower incidence of clinical remission (20% vs 75%, P = .003). Although the numbers were not statistically significant, this group tended to have a greater number of deaths than the non‐GIB group (7% vs 0%, P = .07). In a multivariable Cox model adjusted for hypertension and urinary proteinuria, GIB could not demonstrate a significant association with ESKD (hazard ratio, 4.51; 95% confidence interval, 0.39‐52.7; P = .23). Conclusion IgAVN with GIB has worse renal outcome, but GIB does not have a statistically significant association with progression to ESKD.
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Affiliation(s)
| | - Takuto Maeda
- Department of Nephrology Teine Keijinkai Medical Center Sapporo Japan
| | - Keitaro Nishizawa
- Department of Nephrology Teine Keijinkai Medical Center Sapporo Japan
| | - Yayoi Ogawa
- Hokkaido Renal Pathology Center Sapporo Japan
| | - Hideki Takizawa
- Department of Nephrology Teine Keijinkai Medical Center Sapporo Japan
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18
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Yagi S, Endo I, Murakami T, Hida T, Yamamoto Y, Soga T, Ise T, Kusunose K, Yamaguchi K, Fukuda D, Yamada H, Soeki T, Wakatsuki T, Kawahito S, Sata M. Adult onset of Immunoglobulin A vasculitis – A case report. THE JOURNAL OF MEDICAL INVESTIGATION 2019; 66:344-346. [DOI: 10.2152/jmi.66.344] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Affiliation(s)
- Shusuke Yagi
- Shikoku Central Hospital, Shikokuchuo, Ehime, Japan
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
- Department of Community Medicine and Human Resource Development, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Itsuro Endo
- Shikoku Central Hospital, Shikokuchuo, Ehime, Japan
- Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Taichi Murakami
- Department of Nephrology, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Tetsuya Hida
- Shikoku Central Hospital, Shikokuchuo, Ehime, Japan
- Department of Dermatology, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | | | - Tomohiro Soga
- Shikoku Central Hospital, Shikokuchuo, Ehime, Japan
- Department of Community Medicine and Human Resource Development, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
- Department of Anesthesiology, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Takayuki Ise
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Kenya Kusunose
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Koji Yamaguchi
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Daiju Fukuda
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Hirotsugu Yamada
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Takeshi Soeki
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Tetsuzo Wakatsuki
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Shinji Kawahito
- Shikoku Central Hospital, Shikokuchuo, Ehime, Japan
- Department of Community Medicine and Human Resource Development, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
- Department of Anesthesiology, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Masataka Sata
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
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