A 38-year-old woman with Pierre Robin sequence (micrognathia, glossoptosis, cleft palate) presents for palatoplasty. Preoperative airway assessment shows Mallampati Class IV, severely restricted mouth opening (inter-incisor distance 1.5 cm), and a short, thick neck. Awake fiberoptic intubation is planned. After topical anesthesia and sedation with remifentanil, the fiberoptic scope is passed but dense secretions and blood obscure the view at the level of the arytenoids. The anesthesiologist cannot identify the vocal cords. What is the most appropriate next action?

Explanation

## Failed Awake Fiberoptic Intubation: Troubleshooting and Rescue **Key Point:** When fiberoptic intubation fails due to obscured visualization (blood, secretions, fogging), the first step is to optimize visualization by withdrawing the scope, clearing secretions, reapplying topical anesthesia, and reattempting. Do NOT proceed blindly or abandon the technique prematurely. **High-Yield:** The awake fiberoptic intubation pathway is chosen for **predicted difficult airways** (like Pierre Robin sequence) because it preserves spontaneous ventilation and airway reflexes. Troubleshooting steps before abandonment: 1. Suction and clear secretions/blood. 2. Reapply topical anesthesia and vasoconstrictor (epinephrine 1:10,000). 3. Adjust patient position (sniffing position if possible, or lateral decubitus). 4. Reattempt with fresh scope if available. 5. Only if repeated attempts fail → proceed to backup plan. **Clinical Pearl:** In awake fiberoptic intubation, blood and secretions are the most common causes of failed visualization. Epinephrine-soaked pledgets (1:10,000) placed in the pharynx 5–10 minutes before intubation significantly reduce bleeding and improve visualization. **Mnemonic: BLOOD (Bleeding, Loss of view, Obstruction, Oral secretions, Difficulty advancing)** — Troubleshoot each element before abandoning awake fiberoptic intubation. ## Why Reattempt After Optimization Is Correct | Step | Rationale | |------|----------| | **Withdraw scope** | Allows suctioning and clearing of obstructing material | | **Suction aggressively** | Removes blood and secretions; improves visualization | | **Reapply topical anesthesia** | Maintains local anesthesia coverage and airway reflexes | | **Reattempt** | High success rate (>95%) once visualization is restored | **Tip:** If reattempts fail after 2–3 tries, the backup plan in Pierre Robin sequence is a **supraglottic airway (LMA)** as a bridge to maintain oxygenation, NOT rapid sequence induction (which risks complete airway loss in this severely restricted anatomy).