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Flatbush diabetes

Xiaohao Wang, Huiwen Tan
The incidence of ketosis-prone diabetes mellitus (KPDM) shows a higher prevalence in men. The clear male predominance of this syndrome and its underlying pathogenesis mechanisms are unclear. KPDM, once described as atypical diabetes mellitus, idiopathetic type 1 diabetes (type 1B diabetes) and flatbush diabetes, is an uncommon form of diabetes characterized by severe reversible insulin deficiency. KPDM was first described and mostly observed in males of African-American descent and recently in Asian populations, including Japanese and Chinese...
July 2015: Biomedical Reports
Donald Howarth
There is increasing recognition of a group of patients with type 2 diabetes who can present with ketoacidosis. Most reports have been of patients of African descent; however, the condition has been reported in other groups. This is a case of a Caucasian patient who has had three presentations with ketoacidosis and whose diabetes is not usually insulin-dependent.
January 2015: Australian Family Physician
Atul Vaibhav, Mathew Mathai, Shaun Gorman
Ketosis-prone type 2 diabetes mellitus also known as atypical or flatbush diabetes is being increasingly recognised worldwide. These patients are typically obese, middle-aged men with a strong family history of type 2 diabetes. The aetiology and pathophysiological mechanism is still unclear but some initial research suggests that patients with ketosis-prone type 2 diabetes have a unique predisposition to glucose desensitisation. These patients have negative autoantibodies typically associated with type 1 diabetes but have shown to have human leucocyte antigen (HLA) positivity...
January 8, 2013: BMJ Case Reports
Melanie Rodacki, Lenita Zajdenverg, Giovana Aparecida B Lima, Reinaldo Cavalcante Nunes, Adolpho Milech, José Egídio Paulo de Oliveira
A subgroup of patients presents diabetic ketoacidosis at the onset of diabetes mellitus (DM) but later is classified as type 2 DM based on the clinical follow-up. These individuals, most commonly obese of African or Hispanic origin, have negative auto-antibodies associated with type 1 DM, but frequently HLA class II DRB1*03 and/or DRB1*04 are detected. This peculiar subtype of DM is commonly referred to as diabetes flatbush. Here we report the case of a Caucasian patient that exhibited the described evolution and in whom it was possible to withdraw insulin therapy...
February 2007: Arquivos Brasileiros de Endocrinologia e Metabologia
Mary Ann Banerji
Type 2 diabetes is an increasing public health problem among African Americans, especially children. Several features make type 2 diabetes among African Americans unique. First, African-American adults with type 2 diabetes, or Flatbush diabetes, present with diabetic ketoacidosis. Patients are insulin resistant with acute, severe defects in insulin secretion and no islet cell autoantibodies. Following treatment, some insulin secretory capacity is recovered and ketoacidosis generally does not recur. The second is remission in African Americans with type 2 diabetes...
June 2004: Current Diabetes Reports
Mary Ann Banerji
UNLABELLED: The incidence of type 2 diabetes mellitus (T2DM) in children and adolescents has substantially increased over the past decade. This is attributed to obesity, insulin resistance and deficient beta-cell function. In children a pubertal increase in insulin resistance and an inability to mount an adequate beta-cell insulin response results in hyperglycemia. Adults with T2DM have a diminished first phase response to intravenous glucose and a delayed early insulin response to oral glucose...
April 2002: Journal of Pediatric Endocrinology & Metabolism: JPEM
M A Banerji, R L Chaiken, H Huey, T Tuomi, A J Norin, I R Mackay, M J Rowley, P Z Zimmet, H E Lebovitz
The objective of this study is to understand the metabolic and immunologic basis of diabetes in adult blacks with diabetic ketoacidosis (DKA). Twenty-one black adults presenting with DKA ([mean +/- SD] blood pH = 7.18 +/- 0.09, plasma glucose = 693 +/- 208 mg/dl, and positive serum ketones) had a subsequent clinical course of non-insulin-dependent diabetes mellitus (NIDDM). Human leukocyte antigens (HLAs) DR and DQ and antibodies to glutamic acid decarboxylase (GAD) and islet cell cytoplasmic proteins (ICP) were measured to assess autoimmunity...
June 1994: Diabetes
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