Resp Care
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Tracheostomy is one of the most common intensive care unit procedures performed. The advantages include patient comfort, safety, ability to communicate, and better oral and airway care. Patients may have shorter intensive care unit stays, days of mechanical ventilation, and hospital stays. ⋯ As soon as the need for prolonged airway access is identified, the tracheostomy should be considered. Generally, this decision can be made within 7-10 days. Bedside techniques allow rapid tracheostomy with low morbidity.
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The respiratory therapist plays an integral role in tracheostomy tube decannulation. Removal of the tracheostomy tube should be considered only if the original upper-airway obstruction is resolved, if airway secretions are controlled, and if mechanical ventilation is no longer needed. ⋯ Tracheostomy decannulation requires caution, particularly following a prolonged period of tracheostomy use. The tracheostomy tube decannulation process is well suited for therapist-implemented protocols.
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No hypothesis relating to respiratory care in the intensive care unit has proved more difficult to study in an objective fashion than the commonly held belief that tracheostomy hastens weaning from ventilatory support. Tracheostomy might facilitate weaning by reducing dead space and decreasing airway resistance, by improving secretion clearance, by reducing the need for sedation, and by decreasing the risk of aspiration. Available evidence indicates that dead space and airway resistance are in fact reduced, although whether the magnitude of these reductions explains the clinical observation of more rapid weaning after tracheotomy is less certain. ⋯ The most recent clinical trial found that percutaneous dilational tracheotomy performed in the first 2 days in patients projected to need > 14 days of ventilatory support greatly reduced ventilator and intensive care unit days, and decreased both the incidence of pneumonia and overall mortality, in comparison with tracheostomy done after day 14. Conducting such trials is difficult because of investigator and clinician bias, the inability to predict which patients will actually require prolonged mechanical ventilation, and several other factors discussed in this article. Tracheotomy probably does aid in liberating some patients from ventilatory support, but this may be as much from its effect on clinician behavior as from any physiologic impact.
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An increasing number of technology-dependent patients are sent home for long-term home-management of stable chronic illness. With a patient who is going to undergo tracheotomy, patient-education (for the patient and his/her caregivers) should begin early (before the tracheostomy, if possible), should be individualized to the patient, and should include basic airway anatomy, medical justification for the tracheostomy, tube description and operation, signs and symptoms of respiratory and upper-airway distress, signs and symptoms of aspiration, suctioning technique, tracheostomy tube-cleaning and maintenance, stoma-site assessment and cleaning, cardiopulmonary resuscitation, emergency decannulation and reinsertion procedures, tube-change procedure, equipment-and-supply use and ordering procedures, and financial issues. There should be a scheduled follow-up plan with the attending physician. A combination of process-validation, through additional research, and expert consensus may be needed to standardize the long-term care of patients who undergo tracheostomy.