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                 476           NAFLD and CVD -  Importance and Therapies





              of hypertension and dyslipidemia.                  ll.Treatment of risk factors for cardiovascular
                                                                 disease
              Why treat NASH in patients with type 2             Patients with NAFLD  are  at increased  risk  for
              diabetes?                                          cardiovascular  disease  and often  have  multiple
              Non-alcoholic fatty liver  disease  (NAFLD) is  a   cardiovascular disease risk factors.
              frequent  comorbidity  in both paediatric and adult   Management of patients with NAFLD  includes
              populations,  in particular  in the setting  of  obesity   optimization of blood glucose control in patients with
              and type  2 diabetes. Patients with  type  2 diabetes   diabetes and treatment of hyperlipidemia.
              who also have NASH appear to be at a significantly
              higher  risk  of death from cirrhosis,  HCC and/or
              cardiovascular disease.                            A. Pharmacologic therapies
              Current treatment strategies:                      a.Vitamin E
                                                                 Vitamin E decreases  oxidative stress,  and initial
              I.General approach to the patient                  observational  studies  suggested  improvement  in
              (i).Weight  loss  for patients who are overweight or   aminotransferase levels  in patients with NASH  who
              obese:                                             received  vitamin E. Not proved  to be  of benefit in
                                                                 patients with NASH and Diabetes Mellitus.
              Weight loss  for  all  patients  with NAFLD  who are
              overweight  or  obese  and increased  physical  activity   b.Insulin-sensitizing agents
              can lead to sustained improvement in liver enzymes,
              histology, serum insulin levels, and quality of life.   The use of insulin-sensitizing agents in the treatment
                                                                 of NAFLD  is based upon the role  insulin resistance
              Options to promote weight loss include             plays in the development of NAFLD.
              1. Lifestyle modifications
                                                                 (i)Thiazolidinediones
              2. For patients who are candidates, bariatric surgery.
                                                                 Thiazolidinediones,  including  pioglitazone  and
              Pharmacologic therapy can be used to aid with weight   rosiglitazone,  are  insulin-sensitizing  agents that
              loss in patients who fail to achieve weight loss goals   improve liver biochemical and histologic parameters in
              through diet and exercise alone.                   patients with NASH. However, their use is associated
                                                                 with  adverse  events, including weight gain, painful
              A reasonable goal for many patients is to lose 0.5 to 1
              kg/week (1 to 2 lb/week). More rapid weight reduction   swollen legs, and heart failure. Thiazolidinediones is
              may be associated with worsening of liver disease.   used for the treatment of NASH only in patients with
                                                                 type 2 diabetes.
              Histologic improvement has also been observed after
              bariatric surgery.                                 (ii)Metformin
                                                                 Metformin lowers  blood glucose by decreasing
              (ii).Vaccinations
                                                                 hepatic gluconeogenesis, stimulating glucose uptake
              Hepatitis  A  and B  vaccinations  should be  given  to   by muscle, and increasing  fatty  acid oxidation in
              patients without  serologic  evidence of immunity.   adipose  tissue. However,  it does  not  appear  to be
              Additional vaccines  recommended  for patients     effective for the treatment of NASH.
              with chronic  liver  disease  include pneumococcal
              vaccination   and     standard     immunizations   (iii)Liraglutide
              recommended for  the population in general  (eg,   It is  a glucagon-like  peptide-1  (GLP-1)-based
              influenza, diphtheria, tetanus boosters).
                                                                 therapy  that  affects glucose  control through
                                                                 several  mechanisms,  including enhancement  of
              (iii).Alcohol                                      glucose-dependent  insulin secretion,  slowed  gastric
              Patients with  NAFLD  should avoid all alcohol     emptying,  and  reduction of postprandial  glucagon
              consumption.  Heavy  alcohol use is associated with   and of food intake. Liraglutide may be an option for
              disease  progression among patients with  NAFLD.  It   treating patients with  NASH,  but  additional  studies
              is  possible  that  light  or  moderate  alcohol use  may   are needed.
              have beneficial effects on the liver,  and there  are
              potential cardiovascular benefits as well.         (iv)Dipeptidyl peptidase 4 inhibitors



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