Hyperglycemic hyperosmolar state
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Definition and Diagnostic Criteria of Hyperglycemic Hyperosmolar State (HHS)
Hyperglycemic hyperosmolar state (HHS) is a severe, life-threatening complication of diabetes, most commonly seen in type 2 diabetes. It is characterized by extremely high blood glucose levels (typically >600 mg/dL), increased plasma osmolality (>320 mOsm/kg), severe dehydration, and little or no ketoacidosis. The absence of significant ketosis distinguishes HHS from diabetic ketoacidosis (DKA), although both share similar underlying mechanisms. HHS can sometimes present as the first sign of diabetes, especially in older adults, but it can also occur in children and adolescents Rybka2015Pasquel2014Linggabudi2022+7 MORE.
Causes and Risk Factors for HHS
The most common triggers for HHS are infections, such as pneumonia and urinary tract infections. Other precipitating factors include cardiovascular events, stroke, certain medications, non-compliance with diabetes therapy, undiagnosed diabetes, substance abuse, and conditions that limit water intake. Elderly patients and those with other coexisting illnesses are at higher risk. In about one-third of cases, HHS may be the first presentation of diabetes Rybka2015Pasquel2014Stoner2005+5 MORE.
Clinical Presentation and Complications
Patients with HHS often present with profound dehydration, fatigue, weakness, excessive thirst and urination, nausea, and altered mental status ranging from confusion to coma. Neurological symptoms are common and can be severe. The clinical picture is dominated by dehydration, which can lead to circulatory collapse, heart failure, and acute kidney injury. Serious complications include cardiovascular events, thrombotic episodes, and infections. The mortality rate for HHS is high, ranging from 10% to 20%, and is significantly higher than that of DKA Rybka2015Pasquel2014Linggabudi2022+6 MORE.
Pathophysiology and Differences from DKA
Both HHS and DKA result from insulin deficiency and increased counter-regulatory hormones, but HHS typically involves less insulin deficiency than DKA. This allows for enough insulin to prevent significant ketosis but not enough to prevent severe hyperglycemia and osmotic diuresis. The boundaries between HHS and DKA are not always clear, and some patients may present with features of both conditions Rybka2015Pasquel2014Linggabudi2022+2 MORE.
Management and Treatment Strategies
Immediate and aggressive treatment is essential for HHS due to its high mortality and risk of complications. The primary focus is on restoring fluid balance with intravenous saline, correcting electrolyte imbalances (especially potassium), and gradually lowering blood glucose with insulin. On average, adults may require about 9 liters of fluid replacement over 48 hours. Insulin therapy is started after partial correction of dehydration. Identification and treatment of the underlying cause, such as infection, are also critical. In children and adolescents, fluid correction must be done slowly to avoid cerebral edema. Patients with HHS should be managed in an intensive care setting Rybka2015Pasquel2014Stoner2005+4 MORE.
Prognosis and Prevention
The prognosis of HHS depends on age, degree of dehydration, and presence of other illnesses. Despite advances in care, mortality remains high. Prevention focuses on patient education, self-monitoring, and early recognition and management of infections or other precipitating factors to avoid recurrence Rybka2015Pasquel2014Linggabudi2022+6 MORE.
Conclusion
HHS is a critical emergency in diabetes care, marked by severe hyperglycemia, dehydration, and high mortality. Early recognition, prompt and appropriate management, and addressing underlying causes are essential to improve outcomes. Ongoing research is needed to refine treatment strategies and reduce the high mortality associated with this condition Rybka2015Pasquel2014Linggabudi2022+4 MORE.
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Hyperosmolar Hyperglycemic State: A Historic Review of the Clinical Presentation, Diagnosis, and Treatment
HHS is a severe acute hyperglycemic emergency in type 2 diabetes patients, with a 10-20% mortality rate, but lacks definitive treatment strategies due to limited prospective studies.
Hyperosmolar Hyperglycemic State (HHS)
Hyperosmolar hyperglycemic syndrome (HHS) is a severe condition resulting from complications of diabetes mellitus, with a high mortality rate and prognosis influenced by age, dehydration, and the presence or absence of other accompanying diseases.
Hyperosmolar hyperglycemic state.
Hyperosmolar hyperglycemic state is a life-threatening emergency caused by high blood glucose levels, hyperosmolarity, and little or no ketosis, with treatment focusing on fluid replacement, insulin, and patient education for prevention.
Hyperosmolar Hyperglycemic State.
Hyperosmolar hyperglycemic state is a life-threatening emergency caused by multiple factors, and treatment involves intensive monitoring, dehydration correction, and insulin infusion until blood glucose levels decrease below 300 mg per dL.
DIAGNOSIS DAN PENATALAKSANAAN HYPEROSMOLAR HYPERGLYCEMIC STATE (HHS)
Hyperosmolar Hyperglycemic State (HHS) is a rare and serious acute hyperglycemic emergency in patients with type 2 diabetes, characterized by severe hyperglycemia, hyperosmolality, and dehydration without ketoacidosis.
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