According to the passage,a periodic high concentration of blood glucose in diabetics is a possible cause of deterioration of the pancreas damage to the eyes and kidneys rejection of transplanted organs inadequate secretion of insulin increased production of blood cells
It can be inferred from the passage that one of the important contributing causes of the failure of most pancreas transplants has been the reluctance of patients to cooperate with physicians imperfect techniques used in the operations scarcity of immunosuppressive drugs unavailability or healthy pancreases weakened condition of the patients
