Hyperosmolar hyperglycemic state
| Hyperosmolar hyperglycemic state | |
|---|---|
| Synonyms | Hyperosmolar non-ketotic state, Hyperosmolar non-ketotic coma |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Dehydration, confusion, lethargy, seizures |
| Complications | Coma, death |
| Onset | Gradual |
| Duration | Variable |
| Types | N/A |
| Causes | Infection, medication noncompliance, stress |
| Risks | Type 2 diabetes, elderly, chronic illness |
| Diagnosis | Blood test, urinalysis |
| Differential diagnosis | N/A |
| Prevention | N/A |
| Treatment | Intravenous fluids, insulin therapy, electrolyte replacement |
| Medication | N/A |
| Prognosis | Variable |
| Frequency | Less common than diabetic ketoacidosis |
| Deaths | N/A |
Hyperosmolar hyperglycemic state (HHS) is a serious complication of diabetes mellitus, particularly type 2 diabetes. It is characterized by extreme hyperglycemia, hyperosmolarity, and dehydration without significant ketoacidosis.
Signs and Symptoms[edit]
The symptoms of HHS include severe dehydration, confusion, lethargy, and in severe cases, seizures and coma. Patients may also experience polyuria and polydipsia.
Causes[edit]
HHS is often precipitated by factors such as infection, medication noncompliance, or stress. It is more common in the elderly and those with chronic illness.
Pathophysiology[edit]
In HHS, the body experiences extreme hyperglycemia due to insufficient insulin action. This leads to increased osmolarity of the blood, causing water to move out of cells and resulting in severe dehydration. Unlike diabetic ketoacidosis, there is minimal ketone production.
Diagnosis[edit]
Diagnosis of HHS is based on clinical presentation and laboratory tests. Key diagnostic criteria include high blood glucose levels, increased serum osmolarity, and absence of significant ketonemia.
Treatment[edit]
The primary treatment for HHS involves aggressive intravenous fluid replacement to correct dehydration, insulin therapy to reduce blood glucose levels, and electrolyte replacement to address imbalances. Monitoring and supportive care are crucial.
Prognosis[edit]
The prognosis of HHS varies depending on the timeliness of treatment and the presence of underlying conditions. Early intervention can significantly improve outcomes.
See Also[edit]
References[edit]
