Immediate treatment of peripheral circulatory failure in Dengue Shock Syndrome (DSS) is –
**Core Concept**
Dengue Shock Syndrome (DSS) is a severe complication of dengue infection characterized by plasma leakage, hemorrhage, and circulatory failure. The immediate treatment of peripheral circulatory failure in DSS involves fluid resuscitation to restore blood volume and maintain vascular tone.
**Why the Correct Answer is Right**
The primary goal of fluid resuscitation in DSS is to restore circulating blood volume, which has been depleted due to plasma leakage into the extravascular space. This is achieved by administering intravenous fluids, such as normal saline or Ringer's lactate, to expand plasma volume and maintain blood pressure. The use of crystalloid solutions is preferred initially, as they are effective in expanding plasma volume without causing significant hemodilution.
**Why Each Wrong Option is Incorrect**
**Option A:**
The use of blood transfusion as the primary treatment for circulatory failure in DSS is not recommended, as it may worsen the coagulopathy and increase the risk of transfusion-related complications. Additionally, the primary goal is to restore plasma volume, not to replace lost red blood cells.
**Option B:**
The use of vasopressors, such as norepinephrine, may be necessary to maintain vascular tone in refractory cases of DSS, but it is not the immediate treatment of choice for peripheral circulatory failure. Vasopressors should be used judiciously and in conjunction with fluid resuscitation.
**Option C:**
The use of albumin as a fluid resuscitation agent in DSS is not recommended, as it may worsen the coagulopathy and increase the risk of renal failure. Additionally, albumin is not effective in expanding plasma volume in the setting of DSS.
**Clinical Pearl / High-Yield Fact**
In DSS, the use of fluid resuscitation should be guided by clinical evidence of shock, such as tachycardia, hypotension, and decreased urine output. The goal is to restore blood pressure and maintain organ perfusion, rather than to achieve a specific fluid volume or hematocrit.
**Correct Answer:** C. Colloids like Albumin