HHNKC is also known as diabetic hyperglycemic hyperosmolar coma (HHOC), hyperosmolar nonketotic coma (HONK), hyperosmolar hyperglycemic state (HHS) or hyperosmolar hyperglycemic nonketotic syndrome (HHNS). In HHNKC, blood sugar levels rise, and your body tries to get rid of the excess sugar by passing it into your urine.
Pressures sores result from the death (necrosis) of tissues due to local deprivation of blood supply, and thus of oxygen (ischemic necrosis). This is why tissue compression is the first clinical sign of pressure sores; it blocks the small blood vessels supplying tissues.
Applying continued vacuum helps to increase blood flow to the area and draw out excess fluid from the wound. Depending on the wound type or location, the vacuum can either be applied continuously or intermittently. Negative pressure wound therapy can be used for a few days to several months at a time.he pump that creates the negative pressure is small and portable. Many wounds undergoing negative pressure wound therapy can be treated at home with a visiting home health care provider.