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[Hyperosmolar diabetic coma without ketoacidosis in purulent meningitis (author's transl)]
Abstract:
Hyperosmolar diabetic coma without ketoacidosis was observed as a complication of purulent meningitis in 3 patients. Diagnostic difficulties arise due to slow onset of hyperosmolality and misinterpretation of organic cerebral fits and the increasing disturbance of consciousness. Therapy is complicated by the necessity of treatment with anticonvulsants and sodium containing antibiotics which affect sugar and sodium balance. Abrupt lowering of serum osmolality leads to further increase of cerebral oedema. Slow normalisation of blood sugar and sodium values over several days may lead to satisfactory outcome despite unconsciousness of long duration. These complications could be overcome with high doses of insulin and large amounts of hypotonic infusion in two patients, one female succumbed.
Insights
Purulent meningitis can complicate into hyperosmolar diabetic coma without ketoacidosis. Careful management of serum osmolality is crucial for patient outcomes in these complex cases.
Area of Science:
- Neurology
- Endocrinology
- Infectious Diseases
Background:
- Purulent meningitis can present with complex metabolic complications.
- Hyperosmolar diabetic coma (HDC) without ketoacidosis is a rare but serious condition.
Observation:
- Three patients with purulent meningitis developed hyperosmolar diabetic coma without ketoacidosis.
- Diagnostic challenges included slow-onset hyperosmolality and misinterpretation of neurological symptoms.
Findings:
- Therapeutic interventions were complicated by anticonvulsants and sodium-containing antibiotics affecting metabolic balance.
- Abruptly lowering serum osmolality risked increasing cerebral edema.
- Slow normalization of blood sugar and sodium over days, with high-dose insulin and hypotonic infusions, improved outcomes in two patients.
Implications:
- Recognizing hyperosmolar diabetic coma without ketoacidosis as a complication of purulent meningitis is vital for timely diagnosis.
- Careful, gradual correction of metabolic derangements is essential to prevent worsening cerebral edema.
- This highlights the need for integrated management strategies in patients with concurrent neurological infections and metabolic disturbances.