Predicting Keto Diet Efficacy in Pediatric Drug-Resistant Epilepsy

Key Summary:

Early EEG improvements after diet initiation predict long-term seizure control in pediatric patients.

Early suppression of epileptiform activity strongly correlates with at least a 50% seizure reduction.

Early EEG monitoring allows timely care pivots when patients fail to show prompt dietary response.

EARLY electroencephalographic changes identify clinical response to ketogenic dietary, therapy in pediatric drug-resistant epilepsy. Managing refractory pediatric seizures remains a formidable therapeutic challenge because clinicians frequently wait several months to determine whether a non-pharmacologic metabolic intervention yields tangible clinical benefits. Although the classical ketogenic diet serves as an established therapeutic modality for intractable epilepsy, clinicians have historically lacked reliable electrophysiological biomarkers capable of forecasting success during the initial weeks of treatment. Assessing early neurophysiological fluctuations addresses this diagnostic void, offering quantifiable evidence to guide clinical decision-making and optimize long-term patient outcomes.

Electrographic Biomarkers in Pediatric Drug-Resistant Epilepsy

In a single-center retrospective cohort investigation evaluating thirty-four children with refractory seizures, investigators evaluated routine sleep electroencephalograms before diet initiation and approximately one month post-induction. Neurophysiologists calculated the interictal epileptiform discharge index during the initial five minutes of non-rapid eye movement sleep while concurrently grading cerebral background activity. At the six-month follow-up mark, twenty-three participants achieved clinical response, defined as a fifty percent or greater reduction in seizure frequency or complete seizure freedom. Notably, baseline neurophysiological profiles showed no meaningful differences between eventual responders and non-responders, underscoring that pretreatment tracings alone cannot predict therapeutic efficacy.

Translating Discharge Reductions into Clinical Practice

Serial comparisons demonstrated that patients who responded favorably experienced an approximate forty percent reduction in their sleep interictal epileptiform discharge index within four weeks. Conversely, non-responders exhibited no significant reduction in paroxysmal activity over the same observation period. Receiver operating characteristic analysis confirmed strong discriminative accuracy for this quantitative discharge metric. Interestingly, qualitative modifications in electroencephalographic background activity arose across both clinical cohorts and bore no correlation with ultimate seizure reduction. Measuring early discharge indices provides clinicians managing pediatric drug-resistant epilepsy with an objective electrophysiological metric, enabling timely therapeutic continuation for likely responders while prompting rapid regimen adjustments for children who demonstrate metabolic non-responsiveness.

 

 

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World Brain Tumour Day 2025: Early Diagnosis And Awareness Key To Brain Health For All Ages

Every year, June 8th is observed as World Brain Tumour Day, a global initiative to raise awareness about brain tumours, their symptoms, treatment, and the importance of early detection. The theme for 2025, "Brain Health for All Ages," underscores the need for vigilant brain care across all demographics—children, adults, and the elderly alike. 

Dr. V. Bramha Prasad, Consultant Neuro Surgeon, Apollo Hospitals, Secunderabad shares early diagnosis and awareness key to brain health for all ages on this World Brain Tumor Day 2025.

A brain tumour is an abnormal mass of tissue where cells grow uncontrollably, disrupting normal brain function. Unlike healthy cells that follow the body’s biological rules, tumour cells grow unchecked, compressing or invading brain structures. This growth within the rigid confines of the skull can elevate intracranial pressure, shift brain structures, or damage nerves and tissues. Tumours may remain within the central nervous system (CNS)—comprising the brain and spinal cord—and rarely spread elsewhere.

Brain tumours are classified as primary (originating in the brain) or metastatic (spread from another part of the body). Primary tumours may be glial (gliomas) or nonglial (arising from brain structures like nerves and blood vessels). Metastatic tumours, which are more common, often result from cancers of the lungs, breast, or other organs.

Recognizing the Symptoms

Early symptoms can mimic other medical conditions, making diagnosis difficult. In adults, common signs include:

• Persistent headaches, worse in the morning
• Seizures or convulsions
• Nausea or vomiting
• Speech or cognitive difficulties
• Personality changes
• Weakness or paralysis on one side
• Vision disturbances and memory loss

In children, symptoms may present differently and subtly, such as:

• Morning vomiting without nausea
• Balance or coordination issues
• Increasing head size in infants
• Vision problems, unexplained irritability, or drowsiness

If any of these symptoms persist or worsen over time, consulting a doctor is crucial for accurate diagnosis.

Malignant vs. Benign Tumours

While not all brain tumours are cancerous, they can be life-threatening due to their location. Malignant tumours (e.g., glioblastomas) grow aggressively and infiltrate surrounding tissue. Benign tumours, though slower-growing, may still pose serious risks if located near critical brain structures.

Brain tumours are graded using the World Health Organization (WHO) classification system, which helps predict tumour behavior and guides treatment decisions. It's worth noting that even benign tumours may evolve into malignant forms, and both types can recur after treatment. 

 

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Diagnosis and Treatment

 

Diagnosis typically involves:

• Neurological examinations
• Imaging (MRI or CT scans)
• Biopsy for tumour typing

Treatment is often multidisciplinary, involving neurosurgeons, oncologists, and radiologists. Approaches may include:

• Surgery – to remove or reduce tumour size
• Radiation therapy – to destroy remaining tumour cells
• Chemotherapy – for aggressive or inoperable tumours

Treatment plans vary depending on the tumour's type, location, and the patient’s age and overall health. Some tumours enter remission, where they stop growing. However, recurrent tumours may develop, requiring continuous follow-up and imaging.

 

 

6 Alarming Signs That Point to an Electrolyte Imbalance

 One of the main reasons why we’re all constantly advised to stay hydrated has to do with electrolytes. These water-soluble compounds must be maintained at specific levels for your body to function. Offsetting this balance can lead vital body functions to shut down and inner organs to be affected, causing a multitude of very unpleasant symptoms. Read all about electrolyte disorders, their signs, and their causes in this educational guide.

Why are electrolytes important?

Electrolytes are natural compounds necessary for the physiological functioning of the body. Calcium, magnesium, potassium, and sodium are all examples of electrolytes. Electrolytes are present in all bodily fluids, including blood and urine. We receive them by ingesting certain foods, drinks, and even plain water. 

 

Different electrolytes perform varying functions in the body, for example: 

 

Magnesium is important for healthy muscles, bones, teeth, and nerves. 

 

Sodium is responsible for optimizing fluid levels, as well as nerve and muscle function. 

 

Potassium helps the heart, muscles, and nerves, and supports your metabolism. 

 

Calcium is essential for healthy blood pressure and the nervous system. It’s also important for the production of hormones, and enzymes. 

 

Chloride, like calcium, aids in maintaining cardiovascular health, as well as bodily fluids. 

 

When the levels of electrolytes are either too high or too low, an electrolyte imbalance occurs. Severe imbalances of this kind can result in emergency hospitalization due to seizures, cardiac arrest, and coma. 

 

 

Causes of electrolyte imbalances

 

Anyone can develop an electrolyte imbalance. Electrolytes are excreted by the body through bodily fluids, including sweat and urine. Hence, conditions or states where someone loses a lot of bodily fluids can lead to an electrolyte imbalance. The classic example is a food-borne illness causing an electrolyte imbalance due to a loss of fluids as a result of vomiting and diarrhea. 

 

Severe burns, broken bones, overhydration, dehydration, and some medications can be responsible for an electrolyte disorder.

 

 Certain underlying conditions make some people more likely to get an electrolyte disorder, namely: 

 

Kidney disease 

 

Liver cirrhosis 

 

Congestive heart failure 

 

Problems with the thyroid and adrenal gland 

 

Excessive alcohol use 

 

Eating disorders (e.g., anorexia and bulimia).

Last but not least, kids and older adults are more susceptible to electrolyte imbalances than other adults. In older people, specifically, dehydration can lead to electrolyte disorders.

 

Symptoms of electrolyte imbalance 

Depending on the electrolytes that are most affected, the body can respond to an electrolyte disorder in different ways - some more severe than others. For example, an excess of sodium in the blood leads to a condition called hypernatremia which makes you experience insomnia, restlessness, and shallow breathing. Listed below are the 6 most common symptoms of electrolyte imbalances: 

 

 

1. Nausea

Feeling sick on your stomach and vomiting can indicate a variety of electrolyte disorders or result in one. If you’re feeling nauseous after a sweaty workout, during a hike, or after a prolonged period of time without drinking, an electrolyte imbalance may be to blame. 

 

2. Dizziness or confusion 

Experiencing brain fog, dizziness, or confusion after a period of activity can certainly point to an electrolyte issue, especially when it’s combined with other symptoms listed here. In fact, it’s important to pay attention to any sudden changes in mood, as irritability, fatigue, or a feeling of disorientation can all indicate that something bad is going on in the body. Extreme changes may even indicate that the brain is affected - says the Cleveland Clinic.  

 

3. Headache

A headache is one of the first symptoms of many electrolyte imbalances, including a sodium deficiency (called hyponatremia). This is often caused by dehydration, which is why drinking a glass of mineral water or even plain old filtered water can often help you get rid of a headache.

4. Swelling in the ankles, face, and abdomen  

If you wear rings or a wristwatch, you may have noticed that it feels tighter when you walk around without drinking water for a while. We recognize this symptom as “water retention” or “fluid buildup,” and it’s one of the tell-tale signs of an electrolyte deficiency. The same happens when you have a bowl of salty popcorn in the evening and wake up with puffy eyes the next morning. You’re experiencing these symptoms because excess sodium makes your body retain water. 

 

 

5. Weight gain after a workout

 

If anything, workouts should make you lose a little weight; not the other way around. So, if you step on the scale before and after a workout, you should notice a slight decline in weight due to sweating. Athletes sometimes do this to test if they’re drinking enough water during a workout; a decline in weight is an indication that you should drink more during training. 

 

However, people with low sodium levels can actually end up gaining weight during exercise. This indicates fluid buildup and means that you should drink less during a workout. If that doesn’t help, it could also be that you’re eating too much salty food. 

 

 

6. Cramps and seizures

Muscle cramps, seizures, and coma are all possible symptoms of a severe, life-threatening, electrolyte imbalance. The faster these symptoms tend to develop, the more dangerous they are according to the Mayo Clinic. 

 

Such severe electrolyte disorders can permanently damage the inner organs, including the brain. Other signs of an electrolyte imbalance that requires emergency treatment are: 

 

Alkalosis - excessive blood alkalinity 

 

Metabolic acidosis - the buildup of acid in the body 

 

Dark and cloudy urine due to myoglobinuria (blood myoglobin in the urine) or rhabdomyolysis (muscles leak proteins and electrolytes into the blood) 

 

Delirium - a mental state in which you are so disoriented that you’re unable to think clearly. 

 

 

 How can you manage and treat an electrolyte imbalance?

The course of treatment depends on the severity of the disruption, as well as the specific electrolyte imbalance and its cause. For example, if you’re experiencing a headache due to minor dehydration, slowly drinking a few glasses of water, another beverage, or an electrolyte drink will make you feel better right away. More serious dehydration, such as that caused by vomiting and diarrhea, may require that you drink oral rehydration salt (ORS) solution, which is available at every drugstore. 

 

Lastly, severe electrolyte imbalances require medical treatment like:

 

IV fluids and medicine to rehydrate and restore a healthy electrolyte balance in the body. 

 

Oral medications that replace missing electrolytes. 

 

 Hemodialysis - used to correct electrolyte disorders brought on by kidney damage or kidney failure.

 

 

 

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