Management of Aspiration Risk in Elderly Patients
Initial Assessment and Management
- Maintain NPO status until a proper swallowing evaluation can be performed, as patients with reduced consciousness or inability to manage oral secretions are at high risk for aspiration 2, 3
- Assess the patient's level of consciousness, as extremely lethargic patients or those with inconsistent alertness should not be fed orally until consciousness improves 2, 5
- Evaluate the need for oral/pharyngeal suctioning to manage secretions 1, 3
- Order a chest radiograph to assess for evidence of aspiration pneumonia (patchy opacity, lower lobe infiltrate, air space disease) 1, 6
- Request a nutritional assessment to evaluate the patient's nutritional status 1, 3
Swallowing Evaluation
- Refer the patient to a speech-language pathologist (SLP) for a comprehensive oral-pharyngeal swallowing evaluation 1, 7
- Consider videofluoroscopic swallow evaluation (VSE) or fiberoptic endoscopic evaluation of swallowing (FEES) to identify appropriate treatment strategies 7
- VSE or FEES are contraindicated if the patient has respiratory rate >35 breaths/min 1, 3
Nutritional Support While NPO
- Consider enteral nutrition (EN) if oral intake is expected to be impossible for more than three days or below half of energy requirements for more than one week 8
- For short-term feeding (less than four weeks), a nasogastric tube is generally preferred 8
- For longer-term feeding, a gastrostomy may be considered, especially in patients with frequent tube dislodgement 8
- Parenteral nutrition (PN) should be offered if enteral nutrition is not possible and the patient has a reasonable prognosis 8
Respiratory Management
- For patients with profuse coughing, consider nebulized therapy such as salbutamol 5 mg or terbutaline 10 mg via nebulizer for bronchodilation 9
- For severe non-productive cough: consider nebulized lignocaine 2%, 2-5 ml or bupivacaine 0.25%, 2-5 ml (up to four hourly) preceded by a β-agonist 9
- Ensure adequate oxygenation - consider oxygen therapy if hypoxemic 9
Transitioning from NPO Status
- Only resume oral feeding after a formal swallowing evaluation by an SLP 1, 7
- If the patient is alert and deemed appropriate for a swallowing trial, begin with small amounts of water (3 oz) under supervision 5
- Observe for signs of aspiration (coughing, wet voice, throat clearing, hoarse voice) during swallowing trials 5, 6
- If the patient can safely swallow water, progress to appropriate diet textures as recommended by the SLP 7
- Even when tube feeding is necessary, encourage safe oral intake as tolerated to maintain swallowing function and quality of life 8
Multidisciplinary Approach
- Manage the patient with an organized multidisciplinary team that may include physician, nurse, speech-language pathologist, dietitian, and physical and occupational therapists 7