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1.
Ryoichi Kawamura Satoshi Miyao Hiroshi Onuma Yasuko Uchigata Eiji Kawasaki Jun Ohashi Sanshiro Shiraishi Wataru Nishida Maki Yokomoto-Umakoshi Yasunori Takata Haruhiko Osawa Hideichi Makino 《Internal medicine (Tokyo, Japan)》2022,61(5):687
In the first case, a 60-year-old man who was using continuous subcutaneous insulin infusion (CSII), developed recurrent hypoglycemia due to insulin antibodies. This is the first report of such a case using CSII. In the second case, a 70-year-old man was follow-up case who developed hypoglycemia while using human insulin. In both cases, the hypoglycemia subsided after switching to multiple daily insulin injection and/or insulin preparation. The results of Scatchard analyses of the two cases were similar to those of cases of insulin autoimmune syndrome (IAS) that improved after recovery from hypoglycemia. The clinical characteristics and Scatchard analysis data were essentially the same as those for IAS, except for the presence of insulin administration. 相似文献
2.
Rationale:Hypoglycemia is an emergent condition with many causes, including underlying diabetes mellitus either with the use of insulin or oral anti-diabetic medications for glucose control, and organ (heart, hepatic, or renal) failure. Insulin autoimmune syndrome (IAS) can also cause hypoglycemia, however it is relatively difficult to diagnose as it is rare clinically. Although uncommon, IAS can be life threatening in patients with persistent hypoglycemia.Patient concern:We report the case of a 27-year-old female with underlying Graves’ disease who was treated with methimazole (MTZ). After 6 weeks of treatment, she developed hypoglycemia symptoms accompanied by dizziness and cold sweating. We excluded underlying diabetes mellitus, the use of insulin or oral anti-diabetic medications, and organ failure.Diagnoses:Laboratory data showed elevated insulin and C-peptide levels. Therefore, insulinoma and IAS were suspected. Abdominal computed tomography and magnetic resonance imaging ruled out insulinoma, and MTZ-induced IAS was finally diagnosed.Interventions and outcomes:The hypoglycemia symptoms resolved after MTZ was switched to propylthiouracil, confirming the diagnosis of IAS.Lessons:This case emphasizes the significance of life-threatening MTZ-induced IAS. IAS should be suspected in patients who develop spontaneous hypoglycemia, especially in those with underlying Graves’ disease receiving MTZ who present with hyperinsulinism. 相似文献
3.
M.R. Jendi N. Tiwari I. Karim 《Diabetes & Metabolic Syndrome: Clinical Research & Reviews》2019,13(3):2320-2321
Insulin autoimmune syndrome (IAS) is an uncommon cause of spontaneous hypoglycemia from hyperinsulinemia due to autoantibodies against endogenous insulin (Jian-Ping Chu, 2016). These individuals have no prior exposure to exogenous insulin. We report a case of a 35-year-old African American male, who presented to Vaughn Regional Medical Center in Selma, AL, after he was found to have seizures from hypoglycemia, with a blood sugar of 63 on presentation. He was never diagnosed with diabetes in the past, nor did he have a history of seizure disorder. He continued to be hypoglycemic during the initial period of his hospital stay. His fasting insulin level was 27 mIU/l (normal is less than 25, with presence of insulin autoantibodies (IAA), and a negative workup otherwise. This led us to include IAS as one of our differentials for his hypoglycemia. 相似文献
4.
Nasu T Suzuki R Okamoto Y Miyata K Uno A Nakao R Kawashima A Nakao T Kondo M 《Internal medicine (Tokyo, Japan)》2011,50(4):339-343
We report here the case of an 83-year-old man who was treated for unconsciousness and hypoglycemia (39 mg/dL) accompanied by marked elevation of serum immunoreactive insulin (IRI) (4,760 μIU/mL). We diagnosed his condition as insulin autoimmune syndrome (IAS, Hirata disease) because of a high insulin autoantibody (IAA) titer (>90%: bound/total) and no history of exogenous insulin administration. Reactive hypoglycemia occurred due to immediate association followed by dissociation between insulin and insulin autoantibodies after glucose or food intake. An α-glucosidase inhibitor in combination with frequent small meals reduced the postprandial hyperglycemia (glucose spike) and ameliorated the reactive hypoglycemia. 相似文献
5.
Sophia L. Wong MD Anne Priestman MD FRCPC Daniel T. Holmes MD FRCPC 《Journal of general internal medicine》2014,29(1):250-254
Insulin autoimmune syndrome (IAS) is an uncommon cause of hyperinsulinemic hypoglycemia characterized by autoantibodies to endogenous insulin in individuals without previous exposure to exogenous insulin. IAS is the third leading cause of spontaneous hypoglycemia in Japan, and is increasingly being recognized worldwide in non-Asian populations. We report a case of IAS in a Caucasian woman with recurrent complaints of hypoglycemia, with laboratory findings of serum glucose 2.5 mmol/L (45 mg/dL), insulin 54,930 pmol/L (7,909 μIU/mL), connecting peptide (C-peptide) 4,104 pmol/L (12.4 ng/mL), and a corresponding insulin to C-peptide molar ratio of 13.4 during a spontaneous hypoglycemic event. Autoantibodies to insulin were markedly elevated at > 50 kU/L (> 50 U/mL). IAS should be considered in the differential diagnosis of hypoglycemia in non-diabetic individuals. Distinction from insulinoma is especially crucial to prevent unwarranted invasive procedures and surgical interventions in hypoglycemic patients. 相似文献
6.
Remission of insulin autoimmune syndrome in a patient with Grave's disease by treatment with methimazole. 总被引:3,自引:0,他引:3
R Okabe M Inaba M Hosoi E Ishimura Y Kumeda Y Nishizawa H Morii 《Internal medicine (Tokyo, Japan)》1999,38(6):482-485
The patient, a 24-year-old man, had suffered from hunger, sweating, tachycardia and palpitation for three years. He was diagnosed as having Graves' disease (GD) and treated with methimazole (MMI) for 3 months. He noted that palpitation and perspiration seemed to particularly occur when he was hungry, and thus he was examined to determine whether these symptoms were caused by hypoglycemia. As a markedly elevated immunoreactive insulin level and the presence of insulin antibody in serum were found, he was diagnosed as having insulin autoimmune syndrome (IAS). HLA typing revealed the patient to be positive for group Bw62/Cw4/DR4, which is reportedly a specific HLA type in MMI-treated euthyoroid GD patients with IAS. In spite of the continuation of MMI treatment, the % binding of IRI decreased and the hypoglycemic episode disappeared. In contrast to the previously reported MMI induced IAS in GD cases, MMI is unlikely to have exacerbated IAS in the present case, although his HLA combination is identical to that of the previous cases. 相似文献
7.
We report the case of a Caucasian patient with insulin autoimmune syndrome (IAS), defined as the association of hypoglycaemic attacks with insulin autoantibodies in individuals not previously treated with exogenous insulin. This rare syndrome (more than 200 published cases) has been reported mainly in Japan. Most affected patients present with other autoimmune disorders, most often Graves' disease. In most cases, insulin autoantibodies appear a few weeks after the beginning of treatment with a drug containing a sulphyldryl group. A significant increase in insulin and C-peptide plasma concentrations and the presence of other antiorgan antibodies are observed. The susceptibility haplotype is present in the Japanese population, which may account for the high frequency of IAS. Spontaneous remission is observed in 80% of cases, with cessation of hypoglycaemic attacks and disappearance of insulin autoantibodies some months after withdrawal of the drug. This rare cause of hypoglycaemia in Caucasian subjects should be considered in aetiologic investigation of spontaneous hypoglycaemia. 相似文献
8.
Autoantibodies to the insulin receptor as a cause of autoimmune hypoglycemia in systemic lupus erythematosus 总被引:1,自引:0,他引:1
D E Moller R E Ratner D G Borenstein S I Taylor 《The American journal of medicine》1988,84(2):334-338
A 52-year-old black woman presented with clinical features of systemic lupus erythematosus (SLE) and severe fasting hypoglycemia. Hypoglycemia was secondary to autoantibodies to the insulin receptor that were detected in the patient's serum. There were no anti-insulin antibodies, and other causes of hypoglycemia were excluded. Treatment with high-dose glucocorticoids resulted in restoration of euglycemia associated with resolution of circulating anti-receptor antibodies and parallel improvement in clinical and laboratory features of SLE. This case is compared with other cases of autoimmune hypoglycemia due to anti-receptor antibodies. 相似文献
9.
Standard treatment for autoimmune hemolytic anemia (AIHA) due to warm antibodies includes combinations of glucocorticoids, immunosuppressive drugs (mainly azathioprine) and splenectomy. Patients who are refractory or intolerant to these therapies constitute an important therapeutic challenge. Rituximab, an anti-CD20 chimeric monoclonal antibody, can effectively deplete B-cells and is commonly used in B-cell non-Hodgkin lymphoma. In addition, it is being increasingly used in autoimmune disorders, such as idiopathic thrombocytopenic purpura, AIHA, systemic lupus erythematosus or vasculitis. We report a case of warm AIHA associated to primary antiphospholipid syndrome (APS). The patient was refractory to high-dose corticosteroids. Splenectomy was discarded in view of the high risk of thrombotic and/or hemorrhagic perioperative complications, due to the presence of APS. After treatment with four weekly doses of rituximab the patients had a rapid and sustained response which allowed progressive tapering of prednisone dose to 5 mg/d. In addition, IgM anticardiolipin titres decreased from > 600 MPL to < 100 MPL. Thirteen further cases of warm AIHA in adults treated with rituximab have been reviewed, showing excellent tolerance and high response rates. Rituximab may be considered prior to splenectomy in patients with refractory AIHA and high risk of complications following splenectomy. 相似文献
10.
R F Klein S Seino N Sanz M S Nolte A I Vinik J H Karam 《The Journal of clinical endocrinology and metabolism》1985,61(3):571-574
Recurrent episodes of spontaneous hypoglycemia developed in a 30-yr-old woman who had received a brief course of insulin therapy 10 yr previously. She denied surreptitious insulin administration, and the autoimmune hypoglycemia syndrome was considered. Her insulin levels could not be reliably measured because of the presence of circulating antiinsulin antibodies, which interfere with standard RIA techniques. Reverse phase high performance liquid chromatographic analysis of serum obtained during a hypoglycemic episode revealed a mixture of beef and pork insulins but no human insulin, firmly establishing the diagnosis of factitious hypoglycemia. This case illustrates the value of reverse phase high performance liquid chromatography in characterizing patients in whom the autoimmune hypoglycemia syndrome is suspected. 相似文献
11.
Furukawa N Miyamura N Nishida K Motoshima H Taketa K Araki E 《Diabetes research and clinical practice》2007,75(3):366-367
The insulin autoimmune syndrome is characterized as producing polyclonal or monoclonal anti-insulin autoantibodies in a patient with no previous history of exposure to exogenous insulin. The patient is 44-year-old Japanese woman and she had symptoms of hypoglycaemia without exposure to exogenous insulin. The patient was considered to have IAS because high titre of anti-insulin autoantibodies (96-98%: bound/total) were found in her serum. Her HLA DR beta1 DNA sequences analysis revealed that she has the DRB1(*)0406 and DRB1(*)0901. Our patient have been taken alpha lipoic acid (ALA) before onset. SH group compounds are known to play an important role in the pathogenesis of IAS, and ALA contains SH. From these data, we propose the possibility of the correlation between pathogenesis of IAS and ALA, and it will be important to pay attention for ALA as a cause of hypoglycemia in such cases. 相似文献
12.
Recurrent episodes of postprandial hypoglycemic symptoms culminated in hypoglycemic coma in a hypertensive but otherwise healthy man while he was taking hydralazine. The patient was found to have an extreme elevation in the immunoreactive insulin level, leading to the discovery of insulin antibodies in the absence of prior exposure to exogenous insulin. Negative results of an anatomic study of the pancreas and an inability to reproduce hypoglycemia during a prolonged fast helped to exclude insulinoma. In contrast, symptomatic hypoglycemia developed in response to oral glucose loading and was associated with an elevation in total and free insulin as well as C-peptide levels. The patient was diagnosed with insulin autoimmune syndrome, which, although a common source of hypoglycemia in Japan, has been well documented in only 15 cases from other countries. HLA typing revealed the patient to be positive for groups Cw4 and DR4, a combination that has been preliminarily associated with insulin autoimmune syndrome in Japan. Unlike the majority of cases previously reported, this patient had no clinical or serologic evidence of an underlying autoimmune disorder and had not been exposed to drugs containing sulfhydryl groups. This case adds to the world literature on insulin autoimmune syndrome, lends support to a postulated HLA association, and documents the presence of insulin autoantibodies in the absence of another underlying autoimmune disorder. 相似文献
13.
胰岛素自身免疫综合征(IAS)为少见病.通过报道1例IAS并结合国内近20年报道的50例IAS病例,讨论IAS的诊治.临床上对伴有Graves病、服用他巴唑的高胰岛素性低血糖症患者,应检测胰岛素自身抗体,以避免误诊和不必要的手术. 相似文献
14.
Takeuchi Y Miyamoto T Kakizawa T Shigematsu S Hashizume K 《Internal medicine (Tokyo, Japan)》2007,46(5):237-239
Insulin Autoimmune Syndrome (IAS) is a rare disease characterized by hypoglycemia and autoantibodies to insulin without prior insulin administration. Here, we report a case of IAS associated with alpha lipoic acid (ALA). The patient is a 55-year-old man. He began to complain of hypoglycemic symptoms after taking ALA. He lost consciousness in the late postprandial period and blood glucose was found to be 27 mg/dl. A high insulin level and high titers of insulin antibodies were detected. His HLA genotype contains DRB1* 0406. As ALA comes to be used widely, the incidence of IAS due to ALA might increase. 相似文献
15.
Fareau GG Maldonado M Oral E Balasubramanyam A 《Metabolism: clinical and experimental》2007,56(5):670-675
Autoantibodies directed against specific epitopes in the insulin receptor are rarely the cause of either recurrent hypoglycemia or a severe form of insulin resistance (type B insulin resistance). Type B insulin resistance occurs more commonly in women of African heritage and is frequently associated with a history of other autoimmune diseases. We present the unusual case of a 61-year-old African American woman with a background of autoimmune hypothyroidism and autoimmune hepatitis who developed type 2 diabetes mellitus and marked facial acanthosis nigricans (AN) over a period of weeks. Despite treatment with multiple oral antidiabetic agents, she rapidly developed severe, recalcitrant hyperglycemia and ketoacidosis, requiring hospitalization and intravenous insulin administration for 4 weeks at rates of up to 180 U/h. Immunologic testing revealed a high titer of anti-insulin receptor autoantibodies of both immunoglobulin G and immunoglobulin A classes. After a recurrence of diabetic ketoacidosis despite aggressive management, the patient was treated with a short course of cyclophosphamide; within 10 weeks, she experienced striking improvement of her hyperglycemia as well as marked regression of the AN lesions. Subsequently, the patient also experienced episodes of fasting hypoglycemia, which resolved with a brief course of glucocorticoids. She has since remained euglycemic with no therapy for 5 years. We have documented, for the first time, regression of AN in temporal association with disappearance of circulating anti-insulin receptor autoantibodies and achievement of euglycemia in a patient with type B insulin resistance. 相似文献
16.
Steroid‐induced diabetes: a clinical and molecular approach to understanding and treatment
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Since the advent of glucocorticoid therapy for autoimmune disease in the 1940s, their widespread application has led to the concurrent therapy‐limiting discovery of many adverse metabolic side effects. Unanticipated hyperglycemia associated with the initiation of glucocorticoids often leads to preventable hospital admissions, prolonged hospital stays, increased risks for infection and reduced graft function in solid organ transplant recipients. Challenges in managing steroid‐induced diabetes stem from wide fluctuations in post‐prandial hyperglycemia and the lack of clearly defined treatment protocols. The mainstay of treatment is insulin therapy coincident with meals. This article aims to review the pathogenesis, risk factors, diagnosis and treatment principles unique to steroid‐induced diabetes. Copyright © 2013 John Wiley & Sons, Ltd. 相似文献
17.
Blaithin A. McMahon Tessa Novick Paul J. Scheel Serena Bagnasco Mohamed G. Atta 《Medicine》2015,94(32)
Immunoglobulin type gamma 4 (IgG4)-related disease is a relatively newly described clinical entity characterized by a distinctive histopathological appearance, increased numbers of IgG4 positive plasma cells and often, but not always, elevated serum IgG4 concentrations. The most common renal manifestation of IgG4-related disease is tubulointerstitial nephritis marked with proteinuria, hematuria, decreased kidney function, hypocomplementemia, and radiologic abnormalities. Renal biopsy characteristics include dense lymphoplasmacytic tubulointerstitial nephritis that stains for IgG4, storiform fibrosis, and immune complex deposition in the interstitium and along tubule basement membranes. Treatment traditionally consists of prolonged glucocorticoids but cases refractory to glucocorticoids have been reported.We report a case of a 58-year-old Caucasian man who presented with fatigue, 50 pound weight loss, dyspnea, lymphadenopathy, and nephromegaly. The patient was first misdiagnosed as chronic interstitial nephritis secondary to renal sarcoid and was treated with repeated doses of prednisone. On his third relapse, he underwent a repeat renal biopsy and a diagnosis of IgG4-tubulointerstitial nephritis was confirmed. He was refractory to treatment with prednisone. The patient received Rituximab and had prompt sustained improvement in renal function. At 1 year post Rituximab treatment, his serum creatinine remains at baseline and imaging study revealed reduction in his kidney size.This is the first case report using Rituximab as a steroid sparing option for refractory IgG4-tubulointerstitial nephritis. More information is needed on the long-term effects of using of B-cell depleting agents for glucocorticoid resistant IgG4-tubulointerstitial nephritis. 相似文献
18.
E. Boutin C. ReyM. Romeu J. PougetJ. Franques 《La Revue de médecine interne / fondée ... par la Société nationale francaise de médecine interne》2013
Introduction
Lambert-Eaton myasthenic syndrome is a rare and autoimmune presynaptic disorder of the neuromuscular junction, due in 85% of cases to autoantibodies directed against voltage-gated calcium channels. It is a paraneoplastic disorder in 50 to 60% of cases. Diagnosis involves a proximal muscle weakness and areflexia, associated with a significant increment after post-exercise stimulation in electrophysiological study. Symptomatic treatment is based on 3,4-diaminopyridine. No etiological treatment has proven its efficacy in both paraneoplastic and non-paraneoplastic Lambert-Eaton myasthenic syndrome.Case report
We report a 41-year-old man who presented with a seronegative non-paraneoplastic Lambert-Eaton myasthenic syndrome in whom conventional immunosuppressive treatments (corticosteroids, azathioprine) failed, and who eventually improved after treatment with rituximab.Conclusion
Rituximab was an effective and well-tolerated treatment in this case of seronegative non-paraneoplastic Lambert-Eaton myasthenic syndrome. Its indication should be discussed when conventional immunosuppressive therapy fails in both seropositive and seronegative patients. 相似文献19.
Xiaolei Hu Xiaowen Ma Xin Wang Xiuli Zhao Xuling Xu Hui Gong Fengling Chen Junjie Sun 《Annales d'endocrinologie》2015,76(6):694-697
We report 12 cases of patients with type 2 diabetic receiving recombinant human insulin injection, who had uncontrolled hyperglycemia or frequent episodes of hypoglycemia, high levels of serum insulin and positive insulin antibodies. The clinical characteristics and insulin antibodies pharmacokinetics parameters were analyzed. After administration of glucocorticoids, changing insulin formulations or discontinuing the insulin and switching to oral antidiabetic agents, the level of insulin antibodies decreased and the plasma glucose restored. Thus, we recommend to identify the presence of high insulin antibodies in patients with type 2 diabetes who experience unexplained high plasma glucose or frequent reoccurrence of hypoglycemia. 相似文献
20.
Yasuko Uchigata Yukimasa Hirata Yasuhiko Iwamoto 《Diabetes research and clinical practice》2009,83(1):e19-e20
Although insulin autoimmune syndrome (IAS) was found to be strongly related with methimazole, rapidly increasing numbers of cases with alpha lipoic acid-induced IAS have been confirmed to be reported since 2003. As alpha lipoic acid has gained popularity as a supplement for dieting and anti-aging, a warning should be issued. 相似文献