It's summer now, with lush vegetation and a high incidence of venomous snake bites. So, what are the types of poisonous snakes that bite people in our city? What are the characteristics of the bitten patients? Recently, researchers such as Blu Ming, director of the emergency department of Dongguan People's Hospital, published a report entitled Dongguan Poisonous Snakes in the Lingnan Journal of Emergency Medicine. According to the research paper of Bite Epidemiological Investigation, the researchers retrospectively analyzed 235 cases of venomous snake bites admitted to the hospital from 2011 to 2014. The results found that the poisonous snake bites in our city were mainly Zhu Yeqing, followed by cobra; It is more common from April to November; it is more common in hilly areas, mountainous areas, coastal areas, and Guancheng.

Biting snake ranking

The analysis found that the venomous snake bites in Dongguan were mainly caused by Bamboo Leaf Green, accounting for 48.9%, followed by cobra, accounting for 16.6%, and 8 cases of silver ring snake, accounting for 3.4%. The above snakes are all in Dongguan City. Natural distribution of snake species. Among the poisonous snakes, some cobras were introduced as edible snakes and bit people when they were slaughtered. Pit vipers and five-step snakes were non-naturally distributed snake species. hurt. Among these 235 cases, 69 cases could not identify what kind of venomous snake, accounting for 29.4%.

Bite Duofa Town Street

Hilly, mountainous, coastal, Guancheng

From a regional perspective, Dongguan The hills, plateaus and alluvial plains are mainly divided into six areas. Among them, the Guancheng, hills, mountains, and coastal areas are more suitable for snakes to survive. The probability of being bitten by snakes in such areas increases significantly, accounting for 83.9%. Lingshan Town, Dalang Town, Humen Town, Chang'an Town, Houjie Town, Zhangmutou Town, Tangxia Town and other towns frequently occur.

From the perspective of population and occupation, with the development of urbanization in Dongguan, the rural population and arable land have been greatly reduced, and the chance of farmers being bitten by snakes has dropped significantly, accounting for 29.4%; workers accounted for 28.5%, some of which were Sanitation garden workers were bitten at work; students accounted for 7.2%, and 7 cases were preschool children.

From a seasonal point of view, the season and time distribution of venomous snake bites in Dongguan. The venomous snake bites can occur throughout the year, and most occur from April to November, accounting for 94.9%, and from December to March, which is similar to Dongguan. The temperature in the region does not change much throughout the year, and the four seasons are not clearly related. The winter in Dongguan is short and the temperature is not low all year round, which is conducive to the activities of snakes.

【Reminder】

Most of the time, the doctor will be seen within 2 hours, and there will be no death.

Snake bites are mostly in the evening. The researchers analyzed that this is related to the temperature suitable for snake activities in the evening in Dongguan and the increase in mass activities at night.

After a person is bitten by a poisonous snake, different poisonous snakes have different venoms and cause different injuries to people. Among these 235 cases, 83.4% had wound swelling. Mainly; 3 cases of wound necrosis were bitten by cobra; 49.8% had abnormal blood coagulation function, most of which were bitten by P.

The researchers said that most patients can see a doctor within 2 hours, generally no more than 4 hours. The researchers analyzed that this may be related to the public's strong awareness of snake bites, Dongguan's convenient transportation, and the ability of most patients to Seek medical attention promptly.