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232                      Congestive Heart Failure in Diabetic...!
                                                       How it is Different?



              non-diabetic patients. Other biomarkers  are of inter-  hospitalization for  cardiac causes,  improve  clinical
              est class of biomarkers related to the synthesis and   symptoms  and cardiac  function and simultaneously
              are degradation of types  I and  III  fibrillar  collagens   ameliorate LV remodelling.
              (serum aminoterminal propeptide of type I and III ) the    Ranolazine  currently approved    as an antianginal
              most abundant collagens and in the myocardium and   agent reduced the Na-dependent  Calcium  overload
              associated with cardiac remodelling  serum concen-  via. Inhibition  of the  late sodium  current  (late  Ina)
              trations of the carboxy terminal propeptide of procol-  channels  and  thus  has been shown  to improve di-
              lagens    type  I  were  related  to changes of  LV  filling   astolic tone and oxygen handling during myocardial
              timings in patient with early type 2 DM Upregulation   ischemia.AMP-activated  protein  kinase  is  found in
              of matrics metalloproteinases  lead  to degeneration   abundance in the hart where it regulates the cellular
              of  the extracellular  matris and replacement  fibrosis   response to low energy states such as hypoxia and
              . Assays of these markers remain experimental and   exercise to increase energy production.
              need to be further validated in large trials.
              Conventional  echocardiographic techniques  for as-  CONCLUSIONS:
              sessing  LV hypertrophy  are not  specific for diabetic   DM and CHF are inter related conditions DM can af-
              cardiomyopathy. The development of new ultrasound   fect  cardiac  structure  and  function   in the absence
              techniques such as echo strain imaging and the use   of changes in blood pressure  or  CAD,  a condition
              of magnetic resonance imaging  for  the evaluation   called diabetic cardiomyopathy. Insulin residence and
              of strain and strain rate have shown to be effective   hyperglycemia are central drivers of the initially adop-
              in the identification  of subclinical  LV systolic  and   tive pathological but ultimately  detrimental changes
              diastolic dysfunction  in asymptomatic  patients with   occurring in diabetic  cardiomyopathy. Alterations in
              DM and  normal EF. Recently  the  European society   substrate utilization  and  mitochondrial  dysfunction
              of cardiology  has suggested criteria  for  the diagno-  seem to be early and key alterations in diabetic car-
              sis of diastolic dysfunction. but there are no specific   diomyopathy. In later  stages  concomitant  CV risk
              guidelines  for  CHF  screening  in the asymptomatic   factors such  as hypertension, dyslipidemia  neuro-
              population with DM and recommendations  for  CHF   hormonal activation renal impairment and CAD may
              screening  are  warrented. A combination  of clinical   further compromise cardiac dysfunction.
              characteristics  potential symptoms biomarkers  of
              cardiac functions and new diagnostic technique may   Treatment of concomitant DM and CHF is challeng-
              provide potential tools to identify diabetes subject at   ing  since many  contemporaries  therapics used  for
              increased   risk of developing  CHF.   The current ap-  DM are contraindicated  or limited by comorbidities
              proach to the classification of CHF emphasizes at tge   such as renal dysfunction. Sub-group analysis of re-
              development and progression of the disease from a   cent trials conducted in hospitalized.
              Stage  A  Through D. Patients with  DM who do not   CHF  patients with DM showed  a different  response
              yet demonstrate LV dysfunction would be considered    to standard  medication being  more  prone  to devel-
              stage A . As patients move through stages  B-D, they   op side effects compared to patients with the same
              develop  structural  changes symptoms  and then re-  degree of CHF but without DM.
              fractory and stage disease.
                                                                 The growing two-way  co-association between heart
              Importantly CHF  patients who have not been  diag-  failure  and diabetes  mellitus  request  that  cardiolo-
              nosed with DM should be screened for early detec-  gists and others caring for patients with heart failure
              tion of glucose intolerance or DM.                 must be  increasingly  familiar  with the management
                                                                 of diabetic mellitus.
              AREAS  FOR FUTURE RESEARCH

              Therapies  targeted to address  the specific  patho-  References
              physiological  alterations.  In patient with  CHF  and   1.  Nieminen MS Brutsaert D, Dickstein K, Drexler  H, Follath F, Harjola VP et
              DM are needed specific data on this population are   al.Euroheart failure  survey II(EHFS II) a survey on hospitalized acute heart
              lacking currently. An ideal approach would  be to    failure patient: Description of population. Eur Heart J 2006; 27:2725-36.
              modulate  myocardial substrate utilization  (168)  from   2.  Sarma S.Mentz RJ, Kwasny MJ, Fought AJ, Huffman  M, Subacius  H, et
              FFA to glucose oxidation to achieve a more efficient   al; on behalf of the EVEREST investigators. Association between diabetic
              cardiac energy population.                           mellitus and post-discharge outcomes in patients hospitalized with heart
                                                                   failure:  findings  from  the  EVEREST  trial.  Eur  J  Heart  Fail  2013;  15  :
              Recent meta analysis  has shows  that  additional    194-202
              use  of  trimetazidine in CHF  spatient may decrease   3.  Thrainsdottir  IS, Aspelunt  T, Thorgeirsson  G, Gutnason V, Hardar-
                                                                   sonT,Malmberg K  et al . The association between glucose abnormalities

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