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84                  Pre Diabetes- Beyond The Tip of The Iceberg





              India, attributing a greater role to insulin secretory de-
              fects in the pathogenesis of type 2 diabetes in Asian
              Indians compared with people of other ethnic groups.
              The  Indian study was conducted  on children and
              adolescents attending the urban endocrine clinic for
              obesity. Robust biochemical evaluation including gly-
              cose tolerance tests and HOMA-IR was carried out in
              224 obese patients. This cross- sectional data sowed
              as increase  in the prevalence of IFG (8-10%)  IGT (10
              to 15%),  and diabetes (1.3to  1.8%)  from childhood  to
              adolescent stage, respectively. The increase can also
              be attributed  to the  pubertal spurt of counter  reg-
              ulatory hormones.  Their  data also  showed positive
              association of both systolic and diastolic blood pres-
              sure readings with insulin resistance.Studies have re-
              corded prediabetes  in >10%  of Sri  Lankan and 20%
              in Bangaladeshi adult  population. These  data raise
              questions regarding  ethnicity  and  beta cell reserve.
              Parity also has been raised as a possible risk factor
              leading to obesity and diabetes in women. The other
              observation is that  high prevalence of hypertension
              and obesity  among prediabetics.  Studies  from the
              sub Saharan  countries have consistently reported  a
              higher  prevalence of hypertension  with  rates  rang-
              ing from 19%  in rural Tanzania,  20%  in rural Kenya,
              21%  in rural Nigeria  and  32% in urban  Namibia. The
              situation in the Indian subcontinent is equally worse.
              Likewise the prevalence of obesity is high in children
              of Africa and India. The associated dyslipidemia and
              microalbuminuria in  the pre  diabetic stage  warrant
              intervention strategies from care providers.
              The good news is that there is an accumulated evi-
              dence that this intermediate disorder can be slowed
              down or  prevented  from deteriorating  to diabetes
              and related pathological consequences. The success-
              ful intervention tested were  diet and exercise,  met-
              formin, tolbutamide, orlistat and acarbose. Improved
              awareness  and diagnosis  is possibly  the  results  of
              concerted  efforts  by the Government  (through  pro-
              grammes such as the National Programme for Con-
              trol  and Prevention  of  Cancer, Diabetes, Cardiovas-
              cular Disease  and Strokes) and nongovernmental
              organisations. The coordinated effort of Government,
              NGOs, Privatesector  health  care providers  with the
              focus on the preventable  strategies  at appropriate
              level  will  be  helpful  to decelerate  this ongoing  dys-
              glycemic epidemic.











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