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1.
Artículo | IMSEAR | ID: sea-127064

RESUMEN

Two methods of storing liquid antivenom (a) keeping it in a sand pot embedded in the ground and another (b) keeping antivenom containing sand pot in a lager sand pot and left in the house with daily and every third day watering of the sand was studied for 7 months covering the winter and hot summer months in Taungoo and Taungdwingyi respectively. Daily watering schedule kept the sand] -2C cooler than the every third day watering and maintained the temperature of the sand at 30-32C with a difference of 8-1 OC lower than the environmental temperature of 40C during the hot summer months. The efficacy of the antivenom stored in the first method with daily watering was found to be comparable to the control and superior to the antivenom stored in the first method with every third day watering and the anti venom stored in the second method with daily watering. It is recommended that liquid antivenom should be stored in a sand pot embedded in the ground with daily watering of the sand in places where no cold storage facility is available. This method of storage is simple, effective and inexpensive and could be carried out by the rural farmers.


Asunto(s)
Antivenenos , Venenos de Víboras , Mianmar
2.
Artículo | IMSEAR | ID: sea-126958

RESUMEN

Acceptability of fang-proof protective boots was studied in 180 farmers of Taungdwingyi Township during harvesting season, October 1995. The boots were provided free of charge. Preliminary survey showed that 98 per cent of farmers knew snake-bite could be prevented by working with boots on and only 72 per cent wore them whereas 28 per cent non-users could not afford to buy them. At present 88 per cent wear locally available rubber boots, which could not withstand penetration of Russell's viper's fangs. Following the trial, 99 per cent enjoyed wearing the trial boots. These provide full sense of protection against snakebite. These are light, comfortable and the farmers could work with them on for the whole day either intermittently or continuously. Ninety-nine percent preferred to wear the trial boots in future and intended to use them even if these are not provided free of charge. The boots cost 350 kyats per pair. Ninety-nine percent could afford to buy them at a price of 250 kyats per pair, however 1


preferred a lower price of 150 or 200 kyats per pair. 1n order to bring down the incidence of snakebite throughout the country, all-out wearing of the boots is needed and it is suggested that health education, selling and distribution of the boots directly to the users at an affordable (subsidised) price of 250 kyats or less per pair should be aimed at.


Asunto(s)
Ropa de Protección , Equipos de Seguridad , Mianmar
3.
Artículo | IMSEAR | ID: sea-126824

RESUMEN

One hundred thirty-four Russell's viper (Daboia russell siamensis) bite cases were studies in Taungdwingyi during six months from June to December 1994. Forty percent of the victims were under 20 years of age. Thirty-eight percent showed no evidence of envenoming, 28 percent had local and 34 percent systemic features of envenoming. Ten percent of the cases developed local necrosis. Fifteen percent of the victims received antivenom therapy at the villages. Cases presenting with systemic manifestations had spontaneous systemic bleeding (29 percent); malena (18 percent), hypotension (22 percent), oliguria (42 percent), conjunctival oedema (18 percent) and renal failure (33 percent). Twelve deaths (9 percent) were due to hypotension and renal failure. Spontaneous systemic bleedings were late manifestations and seen from day 2 to 6 after the bite. Thirty-seven percent of the cases with systemic bleeding failed to have normal clot restoration in 6 hours following 40 ml of antivenom administration. Antivenom reactions were observed in 50 percent of the cases. Fifty two percent of juvenile and 19 percent of adult viper bites resulted in blank bites and 16 percent of the former and 31 percent of the latter bites led to systemic envenoming.


Asunto(s)
Mordeduras de Serpientes , Antivenenos , Mianmar
4.
Artículo | IMSEAR | ID: sea-126793

RESUMEN

A retrospective study of 26 Russell's viper (Daboia russelii siamensis) bite cases who received 1-2 ampoules of anti venom at the villages in Taungdwingyi Township was carried out. Sixteen pad-applied cases were included in the study. Pad-treated cases who received early anti venom irrespective of the time after the bite developed no systemic complications (n=0/4) compared to those without pad (n=7/8) or cases who received 4 ampoules of antivenom within 4 hours after the bite at the hospital (n=5/10). Those who received antivenom 4 hours after the bite at the villages irrespective of pad carried the same risk of developing systemic complications compared to those who received 4 ampoules of antivenom at the hospital. Early administration of 1-2 ampoules of anti venom is indicated for treatment of local envenomed cases and 4 ampoules of antivenom should be given to early systemic cases following bites of big snakes. Application of compression immobilisation first-aid technique with an early intravenous anti venom at the villages is to be recommended in Russell's viper bite cases. Antivenom could have been saved in 24 percent of snake bite cases if guidelines for antivenom therapy were properly followed.


Asunto(s)
Mordeduras de Serpientes , Antivenenos , Mianmar
5.
Artículo | IMSEAR | ID: sea-126847

RESUMEN

Venom neutralizing efficacy of a batch of monospecific cloudy liquid antivenom H 93723 expiry 8-9-97 was assessed retrospectively on seven systemic Russell's viper bite cases. Each received 40 mls (4 ampoules) of antivenom which includes one to four ampoules of cloudy antivenom. Venom antigen and antivenom levels before and after the antivenom were followed up to 72 h by enzyme immunoassay technique. Results indicated that in severe envenomed cases (venom level > 80 ng/ml) (n=4), venom antigen remained detectable up to 8 to 12 h and antivenom was not detected until 4 to 10 h (12-20 h in 2 cases) after the antivenom. Dose related neutralising efficacy of cloudy antivenom was observed. Five out of 7 patients were fatal. Use of cloudy or precipitated antivenom should be discontinued.


Asunto(s)
Ponzoñas , Antivenenos , Pruebas de Neutralización , Mianmar
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