The Outcome of Malayan Pit Viper (Calloselasma rhodostoma) Antivenom in Snake Bite Victims at Na Mom Hospital, Songkhla Province - ผลการให้เซรุ่มแก้พิษงูกะปะในผู้ป่วยที่ถูกงูกัดที่มารักษาที่โรงพยาบาลนาหม่อม จังหวัดสงขลา

Abstract

         The objective of this retrospective study was to evaluate snake bite victims and outcome of Malayan pit viper (MPV; Calloselasma rhodostoma) antivenom in snakebite victims at Na Mom hospital, Songkhla province from October 1, 2009 to September 30, 2011. It was found that, there were 48 snake bite patients, 32 patients (66.67%) were male and 16 patients (33.33%) were female. Most of the patients were in the age group 31-40 years (25.00%) and 41-50 years (25.00%). The majority of snake bite victims were rubber tappers. Forty one snake bite victims (85.42%) arrived at the hospital within 60 minutes after snake bite. The most of snake bite type was MPV (56.25%) followed by cobra (8.31%). Sixteen of 27 MPV bite victims (59.26%) developed coagulopathy. The onset of coagulopathy reported from 2 hours to 72 hours. The vast majority of patients (93.75%) developed coagulopathy within 24 hours. Of these patients with coagulopathy, 25%, 18.75% and 43.75 percent of the patients received 5, 10 and 15 vials of antivenom, respectively. In addition, 87.50 percent of coagulopathy patients did not received more than 15 vials antivenom. Skin rashes were reported in 2 patients. Thirteen of 15 patients (86.67%) reported normal venous clotting time (VCT) within 24 hours after MPV antivenom administration.

Key words: Malayan pit viper (MPV; Calloselasma rhodostoma), antivenom, Na Mom hospital