Paraquat poisoning is a public health problem in Thailand. It is a highly toxic herbicide with high mortality rate. So far, there has been no data indicating the effectiveness of specific treatment including immunosuppressive drug and antioxidant
To determine the mortality rate and the complications among the patients with acute paraquat poisoning in Maharat Nakhon Ratchasima Hospital
This retrospective study recruited all patients in Maharat Nakhon Ratchasima Hospital who were diagnosed as acute paraquat poisoning during January 1st, 2012 - December 31th, 2014. Their medical records were reviewed.
There were 170 acute paraquat poisoning patients eligible for study. The mortality rate was 35.9% (61 patients). The complications comprised 82 patients (48.2%) with acute renal failure, 74 (43.5%) with acute respiratory failure, 54 (31.8 %) with hepatic dysfunction and 2 with lung fibrosis (1.2 %). The main cause of mortality was acute respiratory failure, found in 55 patients (90.2 %).The factors correlated to the mortality with statistical significance were Age (p-value=0.003), Acute kidney injury (p-value=0.004), Acute respiratory failure (p-value=0.001) and Hepatic dysfunction ( p-value=0.001).
Mortality rate of patients with acute paraquat poisoning in Maharat Nakhon Ratchasima was 35.9%. With the comparison of the data between survivors versus non-survivors, age, acute renal failure, hepatic dysfunction and acute respiratory failure were significantly correlated to mortality.