For NCPAP group, rate of patients who required mechanical ventilation within 6 hours after decompression was 13.2%; over 70% cases did not require mechanical ventilation. Conclusions: Percutanous catheter abdominal decompression based on intravesical pressure is effective in management of IAH in in children with Dengue Shock Syndrome, improved status of respiratory, hemodynamic, renal function, acidosis and IAH severity.