1. NHAÂN ÑÔÏT BOÄC PHAÙT VIEÂM DA DÒ ÖÙNG DO PAEDERUS SP.
TRONG SOÁ CAÙC SINH VIEÂN TAÏI KYÙ TUÙC XAÙ TRÖÔØNG COÂNG NHAÂN BÖU ÑIEÄN III,
TIEÀN GIANG, NAÊM 2005
Nhöõ Thò Hoa
TOÙM TAÉT
Tình traïng vieâm da dò öùng do coân truøng taêng cao trong soá caùc sinh vieân löu truù taïi kyù tuùc
xaù tröôøng Coâng Nhaân Böu Ñieän III, Tieàn Giang vaøo cuoái quyù 3/2005. Taùc nhaân gaây beänh ñöôïc
xaùc ñònh coù lieân quan ñeán Paederus sp., loaïi boï caùnh cöùng bò loâi cuoán bôûi aùnh saùng traéng cuûa ñeøn
huyønh quang nhöng khoâng bò taùc ñoäng bôûi aùnh ñeøn vaøng, noùng. Toån thöông laø nhöõng boùng nöôùc,
ngöùa, boûng raùt, xuaát hieän treân vuøng da vieâm ñoû sau khi tieáp xuùc vôùi pederin, ñoäc toá ñöôïc tieát ra
nhö moät phaûn öùng töï veä cuûa Paederus sp. khi bò ñe doïa hoaëc bò taán coâng. Sau khi vôõ, veát loeùt töï
laønh trong voøng 7 – 10 ngaøy neáu khoâng bò boäi nhieãm vi truøng. Beänh ñaùp öùng toát vôùi povidone
iodine boâi taïi choã, antihistamine vaø khaùng sinh neáu caàn. Caùc bieän phaùp döï phoøng bao goàm vieäc
ngaên chaän khoâng cho Paederus spp. bay vaøo phoøng buoåi toái, traùnh baét hoaëc nghieàn chuùng, taém
röûa kyõ neáu bò tieáp xuùc vôùi pederin …
Caàn phoå bieán caùc thoâng tin lieân quan ñeán Paederus spp. ñeå ngöôøi daân bieát caùch xöû trí vaø
phoøng ngöøa beänh.
ON THE OCCASION OF THE OUTBREAK OF ALLERGIC DERMATITIS DUE TO
PAEDERUS SPP. IN 2005 AMONG STUDENTS LIVING IN THE DORMITORY OF THE
SCHOOL FOR POSTAL WORKER III IN TIEN GIANG PROVINCE
Nhu Thi Hoa
ABSTRACT
The incidence of allergic dermatitis due to insects raised sharply among students living in
the dormitory of the School for Postal Worker III in Tien Giang province at the end of the third
quarter of 2005. The causal agent was related to Paederus sp., a beetle that was attracted by
fluorescent light but not by amber light. The skin was inflamed with bullous, itching and burning
lesions after contact with pederin, a toxin secreted by Paederus sp. by self-defence. When broken,
the ulcers will heal spontaneously within 7-10 days if no bacterial contamination occurred. The
lesions responded well to local povidone iodine, antihistamines and antibiotic if needed.
Protective measures included prevention of Paederus spp. to break-in in the evening, withholding
their capture or crushing them, carefully wash after contact with pederin. Information about
Paederus spp. needed to be disseminated to manage and prevent the infection.
ÑAËT VAÁN ÑEÀ
Trong vaøi naêm gaàn ñaây, dòch vieâm da dò öùng ñöôïc baùo caùo töø nhieàu nôi, trong vaø ngoaøi
thaønh phoá Hoà Chí Minh vôùi bieåu hieän vieâm da, ngöùa, boùng nöôùc. Vaøo ñaàu naêm 2004, beänh xuaát
hieän ôû Long An[15]
, thaùng 06/2004 nhieàu tröôøng hôïp töông töï lieân tuïc ñeán khaùm taïi Beänh vieän
Da Lieãu[15]
. Quyù 3/2005, beänh boäc phaùt treân caùc hoïc sinh noäi truù tröôøng Coâng nhaân Böu ñieän III,
Myõ Tho, Tieàn Giang. Gaàn ñaây nhaát, 3 thaùng cuoái naêm 2006, dòch vieâm da tieáp xuùc laïi xuaát hieän
taïi kyù tuùc xaù tröôøng Cao Ñaúng Sö phaïm Maãu giaùo Trung Öông III (cô sôû 2, quaän 9) vaø kyù tuùc xaù
Ñaïi Hoïc Quoác Gia TP. Hoà Chí Minh (quaän Thuû Ñöùc)[16] [17] [18]
. Nguyeân nhaân dò öùng ñeàu ñöôïc
xaùc ñònh do Paederus spp. gaây ra.
6. Hình 5: Paederus littoralis
(Bull Soc Pathol Exot. 1994;87(1):45-8)
TAØI LIEÂU THAM KHAÛO
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midwest area of Kyungpuk province. Korean J Dermatol.;33:821-829.
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15. SAØI GOØN GIAÛI PHOÙNG (15/6/ 2004). Vieâm da dò öùng do coân truøng : Beänh laï nhöng deã ñieàu trò
16. SAØI GOØN GIAÛI PHOÙNG (25/11/2006). Gaàn 100 sinh vieân bò dò öùng do coân truøng
17. SAØI GOØN GIAÛI PHOÙNG (09/01/2007). Thuû Ñöùc: Sinh vieân vieâm da dò öùng do coân truøng.
18. SAØI GOØN GIAÛI PHOÙNG (14/01/2007). Veà beänh vieâm da: Theâm 30 sinh vieân nhieãm beänh.