treatment in eosinophilic meningitisbenhviennhi.org.vn/upload/files/25_4 eosinophilic... · title:...
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EOSINOPHILIC MENINGITIS
TREATMENT
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INTRODUCTION
Eosinophilic meningitis is defined as the presence of more than 10 eosinophils/mm3 in the cerebrospinal fluid (CSF)
Eosinophils accounting for more than 10 percent of CSF leukocytes
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NONINFECTIOUS ETIOLOGIES
Hematologic disorders
Hypereosinophilic syndrome
Neoplastic diseases : Hodgkin lymphoma
Adverse drug reactions (NSAIDs, ciprofloxacin, trimethoprim-sulfamethoxazole, and intraventricular vancomycin or gentamicin)
Ventriculoperitoneal shunt implantation or malfunction
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NONPARASITIC INFECTIOUS ETIOLOGIES
Coccidioidomycosis
Visceral myiasis
Viral, rickettsial, and bacterial infections
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PARASITIC ETIOLOGIES
Three important parasitic infections
Angiostrongylus cantonensis
Baylisascaris procyonis
Gnathostoma spinigerum
Humans are incidental hosts
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G. spinigerum can cause meningeal or extrameningeal infection.
Self-limited: larvae do not replicate or mature to adult worms.
Eosinophilic meningitis: a result of larval migration within the nervous system
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ANGIOSTRONGYLUS CANTONENSIS
The most common parasitic
A. cantonensis larvae are neurotropic
Risk of infection
Human eating raw snail or slug
Children playing in the dirt in endemic areas
A. cantonensis occurs in Southeast Asia and the
Pacific basin 7
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TREATMENT
Not administering anthelminthic agents (Grade 1B) because may elicit an inflammatory response due to dying organisms.
Analgesics, corticosteroids and periodic removal of CSF can relieve symptoms due to elevated intracranial pressure
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CORTICOSTEROIDS FOR
PARASITIC EOSINOPHILIC MENINGITIS
Cochran 2012 : RCTs of corticosteroids versus placebo for eosinophilic meningitis
110 participants (55/group) ≥ 15 year old
Prednisolone – 60 mg/day, three doses in twoweeks in treatment group
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Shortening the median time to resolution ofheadaches (5 days in the treatment group versus13 days in the control group, P < 0.0001).
Smaller numbers of participants who still hadheadaches after a two-week course ofcorticosteroids treatment (9.1% versus 45.5%, P <0.0001).
THE RESULT
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THE RESULT
Reduction in median time of analgesics use inparticipants receiving corticosteroids (10.5versus 25.0, P = 0.038).
No reported adverse effects from prednisolonein the treatment group.
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AUTHORS’ CONCLUSIONS
Corticosteroids significantly help relieve headache in patients with eosinophilic meningitis.
However, there is only one RCT supporting this benefit .Future well-designed RCTs may be necessary.
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CORTICOSTEROID OR THE COMBINATION OF
CORTICOSTEROID AND ANTIHELMINTHIC DRUG
53 patients in the combined treatment group and 51 patients in the prednisolone alone group
The number of patients who still had headaches after 14 days : 0 versus 1 (P = 0.49)
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CORTICOSTEROID OR THE COMBINATION OF
CORTICOSTEROID AND ANTIHELMINTHIC DRUG
The median length of time until complete disappearance of headache : 3 versus 3 days (P = 0.32).
Prednisolone plus albendazole is no better than prednisolone alone for treatment of patients with eosinophilic meningitis.
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GNATHOSTOMIASIS
G.spinigerum larvae can migrate in subcutaneous , visceral, and neural tissue
Infected by eating undercooked fish, poultry or snake meat containing third stage larvae
Gnathostomiasis is endemic in Southeast Asia and parts of China and Japan
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TREATMENT
NOT administering anthelminthic agents (Grade2B)
Analgesics and corticosteroid can alleviate symptoms
For treatment of cutaneous gnathostomiasis: albendazole (400 mg orally twice daily for 21 days) or ivermectin (200 mcg/kg/day orally for two days) (Grade 2C)
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CHÂN THÀNH CÁM ƠN