• Suchitra Ranjit, Niranjan Kissoon, Deepika Gandhi, Anjul Dayal, N Rajeshwari, and Shrishu R Kamath.
• Pediatric Intensive Care Unit, Apollo Hospitals, Chennai, India.
• Pediatr Emerg Care. 2007 Jun 1;23(6):368-75.

ObjectiveTo compare the clinical, hemodynamic, and laboratory variables, treatment, and outcome in dengue shock syndrome (DSS) and septic shock (SS), with an aim to permit early differentiation at presentation to the emergency department.DesignRetrospective chart review.SettingA tertiary care pediatric emergency and critical care unit.PatientsThirty-two patients (16 DSS and 16 SS) between June 2004 and December 2005 who were treated in the emergency department and intensive care using protocols.InterventionsNone.ResultsThere were no differences between groups in terms of age, number with decompensated shock, and Pediatric Risk of Mortality III scores. Differences between DSS and SS were found in heart rate, 120 +/- 39 beats per minute versus 158 +/- 35 beats per minute (P < 0.01); pulse pressures, 25 +/- 8 mm Hg versus 43 +/- 8 mm Hg (P < 0.01); presence of systemic inflammatory response syndrome, 9/16 versus 15/16 (P < 0.05); Glasgow Coma Score, 13 +/- 3 versus 10 +/- 4 (P < 0.05); hematocrit, 42 +/- 6 versus 29 +/- 7 (P < 0.01); and median platelet count, 29,000/mm3 (interquartile range, 20,500-57,500/mm3) versus 115,500/mm3 (interquartile range, 91,750-182,250/mm3 in SS) (P < 0.01). Patients with SS were more likely to require greater than 40 mL/kg of fluid for initial resuscitation, ventilation, and vasoactive support for shock compared with those with dengue. In the fluid and catecholamine refractory patients, 6 of 16 SS versus 0 of 16 DSS patients were treated with steroids (P < 0.05). The outcome was similar in both groups, with 2 of 16 deaths among children with SS and 1 of 16 in those with DSS.ConclusionsDengue shock syndrome is likely a distinct entity from SS with some overlapping features. The DSS patients are significantly less likely to have systemic inflammatory response syndrome, be tachycardic, and have a narrower pulse pressure at admission when compared with SS patients. Mental status is better preserved, and spontaneous clinical bleeding is more common in children with DSS compared with those in SS. These likely results from the predominantly vasodilatory state in SS versus vasoconstrictory state that is the initial response in DSS.

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