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6          Genesis Growth And Future of Cardiodiabetic Medicine




          whitely et al were  able to show that  middle- aged   pathogenesis of  CVD  in patients with Diabetes has
          men and women with diabetes but no CAD were at     improved, the incidence and  prevalence  of Diabetes
          a lifetime  vascular risk  as  high as  individuals with   has     increased      significantly  as    well.  Shaw et  al
          CAD but  no diabetes.  However  one of the most    showed that the  burden of Diabetes  will  increase
                               9
          important studies identifying diabetes as a CAD risk   significantly from 2010 to 2030, with a 69%  increase
          conducted  by  schramm et  al  in  3.3 million  Danish   in adult  Diabetes  in developing   countries,  and     a
          residents, which showed that patients with diabetes   20% increase in developed  countries; the associated
          had  a CVD  risk  comparable to  those individuals   populations increase  is   expected   to be 36%  and
          without diabetes. All of these studies highlighted the   2% respectively.  Based    on   these    figures,  the
          notion that Diabetes should be considered a CAD risk   diabetes  burden    will  lead    to increasing    morbidity
          equivalent.                                        , mortality,  stress   on  healthcare   providers,  and
                                                             healthcare –associated     costs.  A   joint  statement
          The Framingham Offspring   studies(FOS) have  also   by  the  American  Heart Association  and  American
          provided further insight into Insulin resistance as well   Diabetes  Associations  in  2007  said  that  a multi-
          as Diabetes as CVD risk factors.  In 2002 Meigs  et   faceted   approach  including  risk factor control  as well
                                       10
          al  examined  3370 subjects  from  the   Framingham   as aggressive    life-style  changes must be  employed
          Offspring    Cohort   and found post-challenge     to prevent  the  development    of  Diabetes  and  its
          hyperglycemia  as  an   independent  risk  factor for    complications, most  importantly  CVD . 12
          CVD .This  is    especially    important since  fasting
          hyperglycemia   has largely  replaced  post-challenge
          hyperglycemia for  diagnosing diabetes  and several   Incidence of CAD in General Population in
          studies have shown that   fasting hyperglycemia  india
          overlooks  a significant   number   of  people  at risk   The Registrar General of India reported that CHD led
          for CVD who are  identified   using  post –challenge    to 17% of  total  deaths and 26% of  adult deaths in
          hyperglycemia.                                     2001-2003, which increased to 23% of total and 32%
                                                             of adult deaths in 2010-2013.  In India, studies  have
          Additionally, other   FOS have   used  data  to identify
          surrogate  markers  for CVD in Diabetics.  Meigs  et   reported increasing CHD prevalence over the last 60
          al  found  that  participants  with diabetes  had more   years,  from 1%  to  9%-10%  in urban  populations and
                                                                                           13
          coronary  artery calcification  than  those      without    <1% to 4%-6% in rural populations
          diabetes ,indicating   a higher burden of subclinical   Incidence of CAD   in  Diabetics:  According  to
          CVD  not  detected by conventional  testing . Similary,   Cardiovascular diseases  and  Diabetes  Association
          other  studies      have     shown that    elevated  levels    there is  a Definite Correlation of CAD in Diabetics,
          of  C-Reactive protein  and  Homocysteine  are both   The  Prevalence  is  68%  of  People  with Diabetes  of
          associated with insulin resistance  and an increased    More than 10 years duration. 14
          risk of CVD.
                                                             Presentation of CAD in Diabetics: Diabetics  patients
          Since the inception of the  FHS,  researchers  have   frequently  present with silent myocardial infarction
          tried  to devise  a  score  that  would help  predict  the   with  absence of imperative warning symptoms.
          risk of developing   CAD   based on risk factors. Truett    ln regards  to type of lesion involved in diabetics
          et al were the first to utilize data from  the FHS  to   compared  with  nondiabetic  PTCA  patients,
          develop  a  risk  score   for  men and  women   based   diabetic patients have more  extensive  and  diffuse
          on  seven  risk  factors: age, systolic   blood pressure,   atherosclerotic disease,most  common  being  LAD
          relative weight , hemoglobin, cigarette smoking ,and   followed by RCA and Left circumfiex.
          EKG evidence of LVH.  Overtime, hemoglobin   and
                              11
          LVH    were    removed    glucose    intolerance was   Complications  of  Diabetes in CAD: Diabetes is
          added, and the  AHA      published  a book      of  risk   associated independently with  a 2-5 fold increased
          tables in 1973. Eventually, in the 1991 a point   scoring     risk  and incidence of Heart failure compared
          system     was developed  to help  clinicians risk  –  with  those without  Diabetes.  The Increased
          stratify patients and in 2008 a tool was developed for   risk  of Diabetes is  multifactorial  caused by
          primary   care physicians. Data from the Framingham   ischemic metabolic and functional  myocardial
          Heart   Study ,  therefore, were crucial   in  devising     perturbation.  Myocardial  insulin  resistance
          the   Framingham Risk Score  to  determine  the  10-  and cardiac complications  of  diabetes  EDAbel
          year risk of developing   CAD.                     Current Drug  Targets-Immune,  Endocrine 2005
                                                             ingentaconnect.com
          Even   though   our  understanding  of the


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