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Wednesday, March 9, 2016

MECHANISMS THROUGH WHICH HYPERGLYCEMIA WORSENS NEUROLOGICAL OUTCOME


✔️Hyperosmolality 
✔️Lactic acidosis
✔️Alterations in neuronal pH
✔️Increase in excitatory Amino Acids

FACTORS CAUSING FLUID AND ELECTROLYTE DISTURBANCES IN THE NEUROSURGICAL PATIENT



✅POOR ORAL INTAKE LEADING TO DEHYDRATION DUE TO

🔖 Decreased conscious level
🔖 Vomiting
🔖 Bulbar dysfunction 
🔖 Pending surgery 

✅FLUID OVERLOAD DUE TO

🔖overzealous intravenous rehydration 

✅DRUGS

🔖osmotic or loop diuretic therapy as part of the management of raised ICP

✅DISORDERS OF SODIUM-WATER BALANCE ASSOCIATED WITH THE NEUROLOGICAL PATHOLOGY/ SURGERY

🔖Syndrome of inappropriate antidiuretic hormone secretion (SIADH)
🔖Cerebral salt wasting (CSWS) 
🔖Diabetes insipidus