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Interesting case Ext. Ukrit Uthaicharoenpong

Febrile Seizure

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Ext. Ukrit Uthaicharoenpong

Case Chief

4 complaint 3 hours PTA

Present illness1

day PTA hours PTA 1 1 1

11

Present illness3

hours PTA 4-5 1

Past history No underlying disease No food and drug allergic history 6-8 2 1 Family history

Physical examination Vital

signs : BT 37.7 C, PR 11 bpm, BP 110/60 mmHg, RR 22/min 14.5 kg a Thai girl, alertness

BW GA:

HEENT:

mildly pale conjunctivae, intact TM at right ear, impacted cerumen at left ear, pharynx and tonsils are not injected, normal nasal mucosa

Physical examination Heart: Lungs

normal s1s2, no murmur: clear at both lungs, no adventitious

sound Abdomen

: hyperactive bowel sound, soft, no tenderness : abrasion at upper back, no rash, no petechiae

Skin

Physical examination Neuro

: active, no stiff neck, negative Brudzinskis sign, negative kernigs sign,

??

Fever

with seizure 2 times 3 hours PTA Diarrhea 3 hours PTA History of multiple febrile seizure Abrasion at upper back

??

Impression

: febrile seizure Differential diagnosis Epilepsy CNS infection Electrolyte imbalance Trauma

CBC UA 5%

with platelet

DN/2 IV rate 70 ml/hr Ibuprofen Observe seizure, please notify if seizure Diazepam

Record

vital signs Record body weight OD Soft diet Tepid sponge Paracetamol Motilium ORS

admit 1-2 BT observe PICU

RBC Hb Hct MCV MCH MCHC RDW Platelet WBC Neu Lymp Mono

4.82 13.9 40.7 84.3 28.8 34.2 13.0 317000 17500 85 12 3

Na

141 K 3.79 Cl 110.8 HCO3 19

Yellow,

clear Sp. Gr. 1.010 pH 6.0 Chemical exam : negative Microscopic exam RBC not found WBC 1-2/HPF Epith 1-2/HPF No

cast No crystal

RBC WBC Ova&parasite

not found not found not found

Ceftriaxone

500 mkday

.4

Phenobarb

: loading dose IV drip (20 mkdose) :

Discharge

Phenobarb gr (30)

maintenance dose (3 mkday) bid EEG

?

Brief

(24 hr after fever onset Duration >15 min Occur more than once in 24 hr Focal motor manifestations Abnormal neurological examination

Typical:

not required Atypical: required EEG Toxicology screening Assessment of electrolytes CT or MRI

If

any doubt exists about the possibility of meningitis, lumbar puncture with examination of the CSF is indicated.

To

rule out meningitisCNS infection was suspected

When

Atypical

febrile convulsion

American

academy of pediatrics 12 18

Routine

treatment:

Search for the cause of fever Control fever (avoid excessive clothing,

encourage fluids, tepid sponge bath, and antipyretics) Prophylactic

anticonvulsants are not indicated for typical febrile convulsion

Excellent

prognosis in most children Risk of recurrence: Onset < 1 y/o or with family history: 50% Onset > 1 y/o: 30 % up to the age of 5 yr After second episode: 50 % Age > 5 y/o: near zero

Risk of epilepsy development: 1~2% in the general population increase up to 9% when two or more risk factors are present

Risk

factors for epilepsy development:

Positive family history of epilepsy Atypical febrile convulsion Previous abnormal development or neurological

disorder

Phenobarbital:

ineffective and may decrease cognitive function Carbamazepine: ineffective Phenytoin: ineffective Valpronic acid: effective, but with potential risk of fatal hepatotoxicity, thrombocytopenia, GI disturbances, and pancretitis

Antipyretic

agents: ineffective Diazepam: effective and safe Oral or rectal form For patients with frequent febrile convulsion

or significant parental anxiety Dose: 0.3 mg/kg q8h PO (1 mg/kg/d) for the duration of the illness (2~3 days) Side effects: lethargy, irritable, ataxia

Objective

of this study ; to evaluate the investigations in the first simple F.C. patient at Phamongkutkao Hospital.

The

result showed 75 patients in study, 42 % of the patients were 3 month to 1 years old. The causes of the fever were URI 34.5 % and 25 % acute diarrhea.

The

investigations were CBC (100%), lumbar puncture (94.7%), Electrolyte (98.7%),Ca(80%) Mg(41.3%), Cr (76%), EEG (2.6 %), film skull (8%) and CT scan brain (1.3 %)

In conculsion ; for first simple F.C. in the patients age 3 month to five years old , investigations should be considered upon clinical indication which should be done or not done.

Nelson,

textbook of pediatrics ,

THANK YOU