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Impact of the omicron phase on a highly advanced medical facility in Japan. Front Pediatr 2023; 11:1201825. [PMID: 37497300 PMCID: PMC10366354 DOI: 10.3389/fped.2023.1201825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Accepted: 07/03/2023] [Indexed: 07/28/2023] Open
Abstract
Background Eight waves of the coronavirus disease 2019 (COVID-19) epidemic have been observed in Japan. This retrospective study was conducted to clarify the clinical characteristics of pediatric COVID-19 patients. Methods We studied 121 patients admitted to the Jichi Children's Medical Center Tochigi between April 2020 and March 2023. Incidence of pediatric COVID-19 in Tochigi Prefecture was used to examine hospitalization and severe illness rates. Results The mean age of the patients was 3 years and 8 months. One hundred and eleven patients (91.7%) were hospitalized after January 2022 (after the 6th wave), when the Omicron strain became endemic in Japan. Convulsions occurred in 30 patients (24.8%), all of whom were admitted after the 6th wave. Twenty-three of the 30 patients had no underlying disease. Eleven patients (9.1%) were diagnosed with acute encephalopathy. One patient died due to hemorrhagic shock and encephalopathy syndrome and two had sequelae after the 6th wave. The patient who died due to encephalopathy had hypercytokinemia. In the Tochigi Prefecture, the number of pediatric COVID-19 patients increased after the 6th wave, but the hospitalization rate declined. The rate of severe illness did not change before the end of 5th and after the 6th wave. Conclusion Although the rate of severe illness in patients with pediatric COVID-19 did not increase after the 6th wave, some patients had complicated critical illnesses. Systemic inflammatory reaction was considered to have been associated with the severe encephalopathy.
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Membranous nephropathy without vacuolated podocytes in Fabry disease treated with agalsidase-β and carbamazepine: A case report. Medicine (Baltimore) 2022; 101:e28830. [PMID: 35363176 PMCID: PMC9282023 DOI: 10.1097/md.0000000000028830] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Accepted: 01/28/2022] [Indexed: 01/04/2023] Open
Abstract
RATIONALE Vacuolated podocytes are the most common form of renal damage in Fabry disease, but other types of renal damage have been reported, such as membranous nephropathy (MN) or IgM nephropathy. Enzyme replacement therapy (ERT) is effective at preventing renal damage, but the nephropathies require appropriate treatment to prevent renal damage. PATIENT CONCERNS A 22-year-old male with Fabry disease presented with proteinuria during ERT with agalsidase-β and carbamazepine. He had received the treatment for 10 years and maintained normal plasma globotryaosylceramide levels. DIAGNOSIS Renal biopsy revealed MN without vacuolated podocytes. Immunofluorescent staining of the IgG subclass revealed granular patterns of IgG1, G2, G4, and C3 deposition in the glomerular basement membrane. INTERVENTIONS The carbamazepine dose was reduced from 600 mg/day to 200 mg/day (serum concentration 10.0-11.0-4.0-5.0 μg/mL). OUTCOMES After reducing the carbamazepine dose, proteinuria was negative, and the patient has had a normal urinalysis for 17 months. Plasma globotryaosylceramide levels have also remained normal. LESSONS This report is a reminder of the co-existence of MN without vacuolated podocytes in Fabry disease during ERT with agalsidase-β and carbamazepine.Physicians should be aware of this form of renal damage in Fabry disease, even during treatment.
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Glucocorticoid effects on bone strength in children with renal diseases. Nephrology (Carlton) 2020; 26:119-125. [PMID: 33207023 DOI: 10.1111/nep.13832] [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: 07/23/2020] [Revised: 10/12/2020] [Accepted: 10/24/2020] [Indexed: 12/01/2022]
Abstract
AIM Glucocorticoids (GC) are essential medicines for idiopathic steroid-sensitive nephrotic syndrome (ISSNS) and IgA nephropathy (IgAN), with good clinical results. However, they cause bone fragility. The aim of this study was to elucidate GC effects on bone strength assessed as bone mineral density (BMD) and bone quality, using bone turnover markers (BTM), in children with ISSNS or IgAN. METHODS Eleven children with ISSNS and 13 with IgAN were included. All the patients received GC treatment according to each protocol. The BMD and BTM-serum alkaline phosphatase (S-ALP), tartrate-resistant acid phosphatase 5b (S-TRACP-5b), and undercarboxylated osteocalcin (S-ucOC)-were measured from the initiation of steroid treatment (STx) to the end of STx in both groups. RESULTS In ISSNS, S-ALP and S-ucOC levels were decreased significantly at 1 month. BMD and S-TRACP-5b levels showed no significant change through this observation period. In IgAN, BMD and S-ALP levels were decreased significantly at 1 and 3 months, respectively, and recovered to baseline at 10 months after the initiation of GC dosage reduction. S-TRACP-5b levels were decreased significantly at 3 months and remained lower than at baseline through the observation period. In both groups, S-ucOC levels did not directly reflect bone strength. CONCLUSION This study clarified the following three points regarding GC effects on bone strength in children with ISSNS or IgAN: first, S-ALP is a more sensitive bone quality marker than S-TRACP-5b; second, BMD loss was observed only when both S-ALP and S-TRACP-5b levels decreased, and third, S-ucOC levels do not directly reflect bone strength.
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Prevention of recurrent febrile urinary tract infection in infants: Ultrasonography-oriented approach is more practical than a top-down approach. Pediatr Int 2019; 61:1007-1014. [PMID: 31298773 DOI: 10.1111/ped.13970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Revised: 03/29/2019] [Accepted: 05/16/2019] [Indexed: 11/27/2022]
Abstract
BACKGROUND We previously reported that the top-down approach (TDA) for infants with febrile urinary tract infections (fUTI) could prevent recurrent fUTI (r-fUTI) but produced a high number of false-positives on acute-phase 99m Tc dimercaptosuccinic acid (DMSA) renal scintigraphy. Therefore we compared the ultrasonography-oriented approach (USOA) with TDA from the viewpoint of prevention of r-fUTI. METHODS The TDA was applied between July 2010 and February 2014 and the USOA was applied between March 2014 and April 2017 in infants with first fUTI. In the USOA group, voiding cystourethrography (VCUG) was performed in the case of abnormality on acute-phase renal bladder ultrasonography (RBUS) or on chronic- phase DMSA, which were performed in all cases. The frequency of r-fUTI was compared between the TDA group and USOA group retrospectively. RESULTS Seventy-four infants (52 male) and 79 infants (60 male) received TDA or USOA, respectively. No significant differences were found between the TDA and USOA groups in male : female ratio, age in months at initial onset of fUTI, observation period, or number of cases of r-fUTI (TDA group, n = 4; USOA group, n = 5). Seventy-four DMSA scintigraphy and 25 VCUG were carried out in the USOA group, and 111 DMSA scintigraphy and 34 VCUG in the TDA group. CONCLUSIONS Both USOA and TDA were valid for prevention of r-fUTI, but USOA was superior to TDA with regard to the reduced number of patients undergoing VCUG and DMSA.
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A decreased soluble Klotho level with normal eGFR, FGF23, serum phosphate, and FEP in an ADPKD patient with enlarged kidneys due to multiple cysts. CEN Case Rep 2018; 7:259-263. [PMID: 29767399 DOI: 10.1007/s13730-018-0339-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Accepted: 05/11/2018] [Indexed: 11/30/2022] Open
Abstract
Autosomal dominant polycystic kidney disease (ADPKD) is the most common hereditary renal disorder. ADPKD is characterized clinically by the presence of multiple bilateral renal cysts that lead to chronic renal failure. The cysts evolve from renal tubular epithelial cells that express the Klotho gene. Notably, Klotho acts as a co-receptor for fibroblast growth factor 23 (FGF23); in this context, it induces phosphaturia and maintains serum phosphate at a normal level. Many reports have shown that decreases in the soluble Klotho level and increases in the FGF23 level are associated with glomerular filtration rate (GFR) decline, but a recent study observed these changes in patient with normal eGFR. It remains unclear whether the decrease in the Klotho level precedes the increase in FGF23. Here, we present an ADPKD patient with enlarged kidneys due to multiple cysts who had a decreased soluble Klotho level but a normal eGFR and a normal FGF23 level. The patient's serum phosphate level was normal, as was the fractional excretion of phosphate (FEP). This appears to be the first reported case to show a decreased soluble Klotho level plus normal eGFR, FGF23, and FEP. These results suggest that Klotho decreases before FGF23 increases and further suggest that Klotho is not required to maintain normal serum phosphate levels in ADPKD if the FEP and serum phosphate levels are normal.
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Non-enhanced magnetic resonance imaging versus renal scintigraphy in acute pyelonephritis. Pediatr Int 2018; 60:200-203. [PMID: 29473304 DOI: 10.1111/ped.13465] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Revised: 10/18/2017] [Accepted: 11/28/2017] [Indexed: 11/30/2022]
Abstract
The utility of non-enhanced magnetic resonance imaging (MRI) has not been examined extensively for diagnosing acute pyelonephritis (APN) in children. The aims of this study were to compare non-enhanced MRI with technetium-99 m dimercaptosuccinic acid (99m Tc-DMSA) renal scintigraphy in detecting APN. Six boys and one girl with temperature ≥38°C and positive urine culture received both non-enhanced MRI with whole body diffusion-weighted imaging (DWI) and 99m Tc-DMSA scintigraphy ≤7 days from the fever onset. The sensitivity and specificity of MRI in detecting APN lesions diagnosed on 99m Tc-DMSA scintigraphy were 80% and 100%, respectively. Non-enhanced MRI in children with suspected APN ≤7 days from fever onset might be a suitable replacement for 99m Tc-DMSA scintigraphy for the detection of APN.
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Top-down approach is possible strategy for predicting breakthrough fUTIs and renal scars in infants. Pediatr Int 2017; 59:781-785. [PMID: 28370971 DOI: 10.1111/ped.13279] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Revised: 02/22/2017] [Accepted: 03/10/2017] [Indexed: 11/30/2022]
Abstract
BACKGROUND Acute-phase technetium-99 m dimercaptosuccinic acid (DMSA) scintigraphy is recommended for initial imaging in children with febrile urinary tract infection (fUTI). Recently, the importance of identifying patients at risk of recurrent fUTI (r-fUTI) has been emphasized. To clarify the effectiveness of DMSA scintigraphy for predicting r-fUTI in infants, we investigated the relationship between defects on DMSA scintigraphy and r-fUTI. METHODS Seventy-nine consecutive infants (male: female, 60:19) with fUTI were enrolled in this study. DMSA scintigraphy was performed in the acute phase, and patients with defect underwent voiding cystourethrography and chronic-phase (6 months later) DMSA scintigraphy. Patients were followed on continuous antibiotic prophylaxis (CAP). RESULTS Defects on acute-phase DMSA scintigraphy were observed in 32 children (40.5%) of 79. The mean follow-up observation period was 17.0 ± 10.1 months. Four patients had r-fUTI (5%). Two of them had defects on DMSA scintigraphy in both the acute phase and chronic phase, and had bilateral vesicoureteral reflux (VUR) grade IV. Two others had r-fUTI without defects on DMSA and did not have VUR. Twelve patients had defect on chronic-phase DMSA scintigraphy and four of them had no VUR. CONCLUSIONS The top-down approach is a possible method for predicting r-fUTI in infants and does not miss clinically significant VUR. Also, given that the prevalence of r-fUTI was 5% regardless of the presence of defects on acute-phase DMSA, then, in conjunction with genital hygiene and CAP, acute-phase DMSA might be unnecessary if chronic-phase DMSA is performed for all patients to detect renal scar.
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Surges in proteinuria are associated with plasma GL-3 elevations in a young patient with classic Fabry disease. Eur J Pediatr 2016; 175:427-31. [PMID: 26454753 DOI: 10.1007/s00431-015-2646-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2015] [Revised: 09/28/2015] [Accepted: 09/30/2015] [Indexed: 11/26/2022]
Abstract
UNLABELLED Fabry disease is an X-linked glycosphingolipidosis caused by deficient synthesis of the enzyme α-galactosidase A, which results in accumulations of globotriaosylceramide (GL-3) in systemic tissues. Nephropathy is a dominant feature of Fabry disease. It still remains unclear how the nephropathy progresses. Recombinant agalsidase replacement therapy is currently the only approved, specific therapy for Fabry disease. The optimal dose of replacement enzyme also still remains unclear. The worldwide shortage of agalsidase-β in 2009 forced dose reduction of administration. It showed that the proteinuria emerged like surges, followed by temporary plasma GL-3 elevations in the early stages of classic Fabry disease. Additionally, it also showed that 1 mg/kg of agalsidase-β every other week could clear the GL-3 accumulations from podocytes and was required to maintain negative proteinuria and normal plasma GL-3 levels. CONCLUSION This observation of a young patient with classic Fabry disease about 5 years reveals that the long-term, low-dose agalsidase-β caused proteinuria surges, but not persistent proteinuria, followed by temporary plasma GL-3 elevations, and agalsidase-β at 1 mg/kg every other week could clear accumulated GL-3 from podocytes and was required to maintain normal urinalysis and plasma GL-3 levels.
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Renal-limited necrotizing granulomatous vasculitis in a pediatric patient. Pediatr Int 2015; 57:777-80. [PMID: 26315202 DOI: 10.1111/ped.12652] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Revised: 09/02/2014] [Accepted: 12/24/2014] [Indexed: 01/09/2023]
Abstract
A 10-year-old girl presented with mild proteinuria and hypertension. Laboratory data indicated slightly elevated serum creatinine (0.67 mg/dL) and elevated serum IgG (2111 mg/dL). On renal arteriography mild stenosis over the entire length of the right renal artery and irregular stenosis of the interlobar arteries in the right kidney were seen. She was diagnosed with renovascular hypertension, and received conventional anti-hypertensive therapy, but did not respond to them. The right kidney had atrophy and dysfunction on technetium-99m-labeled dimercaptosuccinic acid renal scintigraphy, and was therefore resected. Histopathology of the kidney indicated severe necrotizing granulomatous vasculitis affecting the arteries from the renal hilus to the interlobar area. After nephrectomy plus steroid pulse therapy, blood pressure and urinary protein returned to normal. To our knowledge, this is the first report of necrotizing granulomatous vasculitis limited to the medium-sized renal arteries.
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A case of post-pneumococcal acute glomerulonephritis with glomerular depositions of nephritis-associated plasmin receptor. CEN Case Rep 2014; 4:112-116. [PMID: 28509278 DOI: 10.1007/s13730-014-0149-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2014] [Accepted: 09/24/2014] [Indexed: 10/24/2022] Open
Abstract
We report the case of a 12-year-old girl who was referred to our hospital with anuria associated with pneumonia. On admission, the patient's blood test results revealed severe renal failure, hypoproteinemia, and hypocomplementemia. Her urinalysis results revealed hematuria, proteinuria, and a positive titer for Streptococcus pneumoniae. S. pneumoniae was also detected in her sputum and blood cultures. The patient was diagnosed with post-pneumococcal acute glomerulonephritis (AGN) with acute renal failure. A renal biopsy demonstrated the infiltration of neutrophils and mononuclear cells into capillary loops. Immunofluorescence studies showed dominant-positive deposition of C3c along the capillary loops and nephritis-associated plasmin receptor (NAPlr) depositions in the mesangial area and capillary loops. Electron microscopy revealed dense deposits in the glomerular basement membrane without a hump in the subepithelial area. These findings were consistent with endocapillary proliferative glomerulonephritis. AGN associated with pneumococcal infection is very rare. This case suggests that NAPlr is the causative antigen not only of post-streptococcal AGN, but also of post-pneumococcal AGN. To our knowledge, this is the first report that shows a relationship between post-pneumococcal AGN and NAPlr depositions in the glomeruli.
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Utility of non-enhanced magnetic resonance imaging to detect acute pyelonephritis. Pediatr Int 2014; 56:e4-6. [PMID: 24894941 DOI: 10.1111/ped.12312] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2013] [Revised: 12/24/2013] [Accepted: 01/21/2014] [Indexed: 11/26/2022]
Abstract
It has been established that enhanced computed tomography (CT) and (99m) Tc-dimercaptosuccinic acid renal scintigraphy ((99m) Tc-DMSA scintigraphy) used in conjunction with single-photon emission CT is a useful tool for the diagnosis of acute pyelonephritis (APN). The utility of non-enhanced magnetic resonance imaging (MRI), however, has not been investigated extensively for the diagnosis of APN or renal abscess in children. We describe the case of a 23-month-old boy with suspected APN who received non-enhanced MRI. Whole body diffusion-weighted imaging (DWI) was used, and a background body-signal suppression sequence was applied. High-intensity focal lesions were identified on DWI and low-intensity lesions on the apparent diffusion coefficient map in the acute phase. This case suggested that non-enhanced MRI could be a useful tool for the diagnosis of APN in children, because it can avoid the risks of not only radiation exposure but also nephrogenic systemic fibrosis associated with gadolinium-based contrast agents, especially in infants.
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Cytokine dynamics in a 14-year-old girl with tubulointerstitial nephritis and uveitis syndrome. CEN Case Rep 2014; 3:49-52. [PMID: 28509240 DOI: 10.1007/s13730-013-0084-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2012] [Accepted: 05/07/2013] [Indexed: 02/07/2023] Open
Abstract
Tubulointerstitial nephritis and uveitis (TINU) syndrome, which was first described in 1975, has been reported in more than 130 patients, mostly in adolescent or young women. Although data concerning the etiologic background of this inflammatory disease are limited, several humoral factors, including cytokines, have been reported in association with the disease. Here, we report a case of TINU in a 14-year-old girl, whose renal and ophthalmological improvement was associated with the decrease of serum levels of tumor necrosis factor-α (TNF-α), interferon-γ (IFN-γ), and interleukin-8 (IL-8). This suggests the presence of T-cell-mediated immunity in this unique syndrome.
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Apolipoprotein AII levels are associated with the UP/UCr levels in idiopathic steroid-sensitive nephrotic syndrome. Clin Exp Nephrol 2014; 19:107-13. [PMID: 24633472 DOI: 10.1007/s10157-014-0957-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2013] [Accepted: 02/27/2014] [Indexed: 01/12/2023]
Abstract
BACKGROUND Various humoral factors have been proposed as causal agents of idiopathic steroid-sensitive nephrotic syndrome (ISSNS), resulting in varying data. We used mass spectrometry (MS) to analyze serum proteins in a search for proteins that might be involved in ISSNS pathophysiology. METHODS Serial serum samples were obtained from 33 children with ISSNS. Samples were collected during Phase A1 [the acute phase prior to steroid treatment (STx)], Phase A2 (remission with STx), and Phase A3 (remission without any medication). We also included age- and sex-matched two control groups comprising children with normal urinalysis (Group B) and children with a nephrotic syndrome other than ISSNS (Group C). The urinary protein/urinary creatinine (UP/UCr) ratios were not statistically different between Phase A1 and Group C. Samples were analyzed using surface-enhanced laser desorption/ionization time of flight MS. RESULTS A total of 207 peptide ion peaks were detected in the range of m/z 2000-10000. Four peptide ions (m/z 6444, 6626, 8695, and 8915) were detected at significant elevation during Phase A1 compared with Phase A2, Phase A3, and Group C. The intensities of m/z 6444 and 8695 were higher in Phase A3 than in Group B. There were significant correlations between the intensities of m/z 6626, 8695, and 8915 and UP/UCr levels. The m/z 8695 was identified as apolipoprotein AII. CONCLUSIONS Apolipoprotein AII was detected as a protein associated with the UP/UCr levels in pediatric ISSNS. Our findings present an interesting starting point for further investigation into the pathophysiology of ISSNS.
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Clinicoradiological Study of Uncrossed Cortico-Hypoglossal Tract Damages in Patients with Pontine Infarction (P01.012). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.p01.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Abstract
BACKGROUND Several cytokines have a pathological association with idiopathic steroid-sensitive nephrotic syndrome (ISSNS) in inducing proteinuria or regulating T cells. Because interleukin (IL)-7 plays important roles in regulating T-cell proliferation and sustaining naïve or memory T cells, IL-7 is one of the candidate cytokines in the pathogenesis of ISSNS. Very little is known, however, about the association of IL-7 with ISSNS. To clarify the IL-7 dynamics in children with ISSNS, serum IL-7 level was investigated, from the nephrotic phase before steroid treatment (STx; group A1) to the remission phase with STx (group A2) and without STx (group A3). METHODS Eighteen children with ISSNS were included in the present study. A total of 25 paired samples were analyzed for groups A1 and A2, and a total of 10 paired samples for groups A1, A2, and A3 due to recurrence. Two control groups (with normal urinalysis, group B; or with nephrotic syndrome other than ISSNS, group C), matched for age and gender, were also included. Serum cytokine level was measured on bead-based assay. RESULTS Each serum IL-7 level in groups A1 and A3 was higher than each serum IL-7 level of groups C and B, respectively. The group A2 serum IL-7 level was higher than that of group A1. There was no statistical significance of serum IL-7 level between group A1 and group A3. CONCLUSION Serum IL-7 level was elevated in children with ISSNS regardless of the status of the disease. This brings us one step closer to a better understanding of the pathophysiology of ISSNS in children.
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Abstract
A 34-year-old woman with systemic lupus erythematosus (SLE) presented with general fatigue, seizures and memory loss. Magnetic resonance imaging of the brain showed a high signal area in the mesial temporal lobe bilaterally. Computed tomography scan of the chest and abdomen and ultrasound of pelvis detected no malignancy and tumour marker, antibodies to antineuronal antibodies (anti-Hu, anti-Ta and anti-Ma) and antibodies to voltage-gated potassium channels were all negative. The present case is limbic encephalitis (LE) associated with SLE and the pathogenesis may include autoimmunity shared. Our experience indicates that the immunologic spectrum of LE will expand to include additional immune mechanisms. Lupus (2009) 18, 1316—1319.
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Chronic inflammatory demyelinating polyradiculoneuropathy: MRI study of brain and spinal cord. Neurology 2005; 65:1340; author reply 1340. [PMID: 16247085 DOI: 10.1212/wnl.65.8.1340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Acute myocardial infarction associated with hypereosinophilic syndrome in a young man. JAPANESE CIRCULATION JOURNAL 1997; 61:803-6. [PMID: 9293413 DOI: 10.1253/jcj.61.803] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The case of a 20-year-old man with acute myocardial infarction is described. He developed acute myocardial infarction on 11 July 1995. An emergency coronary arteriogram revealed total occlusion of the proximal left anterior descending coronary artery. Reperfusion was achieved by intracoronary injection of 6.4 x 10(6) units of native tissue plasminogen activator, which left multiple, angiographically identifiable, thrombi in the left anterior descending coronary artery. As a coronary angiogram 28 days after the onset showed no organic stenosis or wall irregularity, we conducted an ergonovine provocation test. The infusion of 32 micrograms of ergonovine into the left coronary artery provoked diffuse, high-grade vasospasm. The patient's medical history showed that he had been diagnosed as having Kimura's disease when he was 19 year-old. Additionally, he had exhibited persistent eosinophilia of unknown origin for 10 months or more. Thus, his condition was consistent with a diagnosis of hypereosinophilic syndrome (HES). This is the first report to document angiographically the presence of acute coronary obstruction in a patient with HES. The acute coronary occlusion was thought to be related to coronary artery vasospasm.
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