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Module 7

Module 7. Suctioning and Airway Management. Abnormal increase in respiratory secretions can result from a variety of conditions More common causes are: Lung or bronchial infections Central nervous depression Exposure to anesthetic gases

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Module 7

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  1. Module 7 Suctioning and Airway Management

  2. Abnormal increase in respiratory secretions can result from a variety of conditions • More common causes are: • Lung or bronchial infections • Central nervous depression • Exposure to anesthetic gases • In newborns saliva & amniotic fluid which babe cannot expectorate • Premature babes may have absent or decreased cough reflex

  3. In a conscious, alert adult the cough reflex is activated and secretions expectorated • Others must rely on suctioning to carry out this function

  4. Definitions • Artificial airway = inserted to maintain patent air passage for those whose airway has become or may become obstructed • Loss of consciousness, facial or oral trauma, copious resp secretions, resp distress Most common: • Oropharyngeal, nasopharyngeal, endotracheal and tracheostomy

  5. Indications for Airways • prevent or relieve upper airway obstruction • decrease aspiration • facilitate secretion removal • provide closed system for positive pressure mechanical ventilation

  6. The types of Artificial Airways

  7. Oropharyngeal Airway • Curved plastic device inserted through the mouth & positioned in the posterior pharynx to move tongue away from the palate and open the airway • Usually for short term use in unconscious pt. May also be used along with an oral endotracheal tube • NOT USED with recent oral trauma, surgery or loose teeth • Does NOT protect against aspiration

  8. To insert Oropharyngeal Airway, directions on p. 1283

  9. Nasopharyngeal Airway (nasal trumpet) • Made of soft rubber or a plastic tube • Inserted thru nose into posterior pharynx • Facilitates frequent nasopharyngeal suctioning • To be used with EXTREME caution with pts with anticoagulants or bleeding disorders • Size should be slightly smaller than diameter of nostril and slightly longer than distance from tip of nose to earlobe • Check nasal mucous for irritation or ulceration

  10. Nasopharyngeal airway in place

  11. Endotracheal tube • Flexible tube inserted through mouth or nose into tracheal beyond the vocal cords • Then acts as artificial airway • Allows for deep tracheal suction & removal of secretions • Permits mechanical ventilation • Inflated balloon seals of trachea so aspiration from GI tract CANNOT occur • Generally inserted in emergencies and by physician or specially trained nurses. • Not intended for long term use as maintaining placement difficult

  12. Endotracheal tube • Orotracheal insertion easiest as done under direct visualization • Disadvantages are increased oral secretions, more discomfort, difficulty with tube stabilization & inability of pt to talk • Nasotracheal is more comfortable to pt & easier to stabilize. • Disadvantage is blind insertion required and there is possibility of pressure necrosis of nasal airway, sinusitis & otitis media

  13. Endotracheal tube • Endotracheal tubes vary according to length, inner diameter, type of cuff & number of lumens • Usual sizes = 6.0, 7.0 8.0 & 9.0mm • Most cuffs are high volume, low pressure with self sealing inflation valves (or cuff may be of foam rubber) • Most are single lumen. But there are dual lumen lumen tubes that can be used to ventilate each lung independently

  14. Tracheostomy tube • Firm curved artificial airway inserted directly into trachea at level of 2nd or 3rd tracheal through through surgical incision • Permits mechanical ventilation • Facilitates secretion removal • Can be used long term • Bypasses the upper airway defenses therefore increases susceptibility to infection • Covered in Next Module

  15. Nursing Responsibilities with airways • maintain correct tube placement • maintain proper cuff inflation • maintain & monitor ventilation status (including oxygenation & acid-base balance) • providing mouth care • fostering communication & comfort

  16. Suctioning

  17. Mobilization of secretions • Goal of airway clearance techniques is to improve clearance secretions thereby decreasing obstruction of airways • Secretions can be Removed by • Coughing • Suctioning • Suctioning may be necessary if clt has difficulty handling their secretions or when an airway is in place

  18. Suctioning • Is aspirating secretions through a catheter connected either to a suction machine or wall suction outlet. Primary Suctioning Techniques are: • Oropharyngeal • Nasopharyngeal • Orotracheal • Nasotracheal • Suction of an artificial airway

  19. Suction catheters • Are either (pic in kozier p. 1288) • Open tipped (more effective with thick plugs but can pull at tissues) or • Whistle tipped (less irritating to resp tissues) • Most have thumb port to control suction (cover to start suction) • Catheter attached to tubing which then attaches to collection chamber • Suction controlled by a gauge

  20. Sizes of suction catheters • #12 to #18 Fr for adults • #8 to #10 Fr for children • #5 to #8 Fr for infants

  21. Suction Catheters

  22. The Yankauer • Yankauer is a rigid plastic catheter with 1 large & several small eyelets through which mucous enters when suction is applied • Used for oral suction • Patients themselves can be taught to use this suction method

  23.          Yankauer     Used primarily for oral suctioning

  24. How much pressure? Depends on if wall or portable unit is used…

  25. Procedure 47-4 in Kozier on p. 1288 Suctioning oropharyngeal & nasopharyngeal cavities Note clinical signs indicating need for suctioning: • Restlessness • Gurgling sounds during respirations • Adventitious breath sounds when chest auscultate • Change in mental status • Change in skin color • Change in rate & pattern of resps • Change in pulse rate & rhythm

  26. Oropharyngeal & Nasopharyngeal suctioning • Oropharynx = extends behind mouth from the soft palate above the level of the hyoid bone & contains the tonsils • Nasopharnyx = is located behind the nose & extends to level of soft palate • Used when clt able to cough effectively but is then unable to clear secretions by expectorating or swallowing secretions • Suctioning done after pt has coughed • Done only until pt able to expectorate own secretions

  27. All of the techniques are based on common principles: • Oropharynx & tracheal considered sterile, therefore STERILE technique required • Mouth is considered clean therefore suctioning of oral secretions should be performed AFTER suctioning of the oropharynx & trachea • If oropharynx & nasopharnyx to be suctioned, use separate sterile catheter for each • Frequency of suctioning determined upon assessment (via auscultation & inspection)

  28. Overview of procedure • DO NOT apply suction during insertion (causes trauma to mucous membranes) • While performing the suction, apply finger over port to start suction action. Rotate catheter gently • Suction attempts should last only 10-15 seconds • Allow 20-30 second intervals between attempts • Flush catheter with sterile water or saline in between attempts • Relubricate (with water soluble) with each attempt

  29. Now hole is covered Notice thumb not covering hole

  30. Evaluation • Compare client's respiratory assessments before & after suctioning. • Ask client if breathing is easier & if congestion is decreased. • Observe client's technique & compliance with suctioning procedures.

  31. Record and Report • Record respiratory assessments before and after suctioning. • Size of catheter used. • Route, amount, consistency, and color of secretions obtained. • Frequency of suctioning. • Client's response.

  32. Dangers of suctioning • Hypoxemia = insufficient oxygen in blood can result if suction maintained without breaks (therefore no longer than 15secs) • Vagal nerve stimulation (vagovagal reflex) stimulation of the vagus nerve by reflex in which irritation of the larynx or trachea results in slowing of the pulse reate • Mucosal damage – using suction while inserting a catheter can cause trauma to the mucousa • Microatelectasis – is an early manifestation of O2 toxicity • Aspiration – safety for semi conscious (on their side) conscious should in semi fowlers with head turned to side • Infection – follow protocol for sterile procedure

  33. Deep suctioning • Tracheal or ‘deep suctioning’ often done by resp therapist, critical care nurse • In tracheal suction the catheter is introduced past the glottis deep into the trachea • Necessary when clt has pulmonary secretions but is unable to cough and does NOT have an artificial airway

  34. Orotracheal & Nasotracheal Suctioning • Catheter passed thru nose or mouth into trachea • Nose is preferred route as minimally stimulates gag reflex • Similar to nasopharyngeal except catheter extended further to suction trachea • ENTIRE PROCEDURECANNOT TAKE MORE THAN 15 SECS (no O2 reaches lungs during suctioning) • Pt should be allowed to rest (unless in resp distress) between passes of catheter and O2 mask/cannula replaced between passes

  35. AIRWAY MANAGEMENT: SUCTIONING • Verify nursing intervention using physician's order or nursing care plan. • Observe for signs and symptoms of excess secretions in the oral cavity and productive cough without expectoration. • Assess lung sounds for labored breathing, restlessness/irritability, color, unilateral breath sounds, and oxygen saturation. • Assess client's understanding of procedure and feeling of congestion to indicate that the oral cavity or lower airway needs suctioning.

  36. SUCTIONING … Preparation for all types of suctioning. • Fill basin or cup with approximately 100 ml of sterile water. • Connect one end of connecting tubing to suction machine. • Check that equipment is functioning properly by suctioning a small amount of water from basin. • Turn suction device on. Set regulator to appropriate negative pressure: • wall suction, 80 to 120 mm Hg; • portable suction, 7 to 15 mm Hg for adults.

  37. Oropharyngeal suctioning • Attach suction catheter to connecting tubing. Remove oxygen mask if present. • Insert catheter into client's mouth (no suction). • With suction applied, move catheter around mouth, including pharynx and gum line, until secretions are cleared. • Encourage client to cough, and repeat suctioning if needed. • Replace oxygen mask if used.

  38. Oropharyngeal suctioning …cont’d • Suction water from basin through catheter until catheter is cleared of secretions. • Place catheter in a clean, dry area for reuse with suction turned off or within client's reach, with suction on, if client is capable of suctioning self. • Discard water if not used by client. Clean basin or dispose of cup. • Remove gloves and dispose.

  39. Video on Suctioning covers: • Oropharyngeal • Nasopharyngeal • Nasotracheal

  40. Nasotracheal suctioning Prepare suction catheter. • Open suction kit or catheter using aseptic technique. If sterile drape is available, place it across client's chest. Do table. Be careful not to touch inside of sterile basin not allow suction catheter to touch any nonsterile surfaces. • Unwrap or open sterile basin and place on bedside. Fill with about 100 ml sterile normal saline (NS).

  41. Nasotracheal suctioning… • Apply sterile glove to each hand (or nonsterile glove to nondominant hand & sterile glove to dominant hand) • Attach nonsterile suction tubing to sterile catheter, keeping hand holding catheter sterile. • Secure catheter to tubing aseptically. Coat distal 6 to 8 cm (2 to 3 inches) of catheter with water-soluble lubricants. • Remove oxygen delivery device, if present, with nondominant hand. • Use dominant hand to insert catheter into nares during inspiration without applying suction . • Do not force catheter.

  42. Nasotracheal suctioning… • Insert catheter approximately 16 cm (6½ inches) in adults. • Apply intermittent suction by placing and releasing nondominant thumb over vent of catheter. Slowly withdraw catheter while rotating it back and forth with suction on for as long as 10 to 15 seconds. Replace oxygen device, if applicable. • Rinse catheter and connecting tubing by suctioning water from the basin until tubing is clear. Dispose of catheter and remaining saline in basin.

  43. Endotracheal or tracheostomy tube suctioning • Prepare suction catheter. • Aseptically open suction kit or catheter. If sterile drape is available, place it across client's chest. • Unwrap or open sterile basin and place on bedside table. Be careful not to touch inside of sterile basin. Fill with about 100 ml sterile NS.

  44. Endotracheal or tracheostomy tube suctioning • Apply sterile glove to each hand (or apply nonsterile glove to nondominant hand & sterile glove to dominant hand). Attach nonsterile suction tubing to sterile catheter, keeping hand holding catheter sterile. • Check that equipment is functioning properly by suctioning small amounts of saline from basin. • Hyperinflate and/or hyperoxygenate client before suctioning, using manual resuscitation bag or sigh mechanism on mechanical ventilator. • Open swivel adapter, or, if necessary, remove oxygen or humidity delivery device with nondominant hand.

  45. Endotracheal or tracheostomy tube suctioning • Without applying suction and using dominant thumb and forefinger, gently but quickly insert catheter into artificial airway (best to time catheter insertion with inspiration) until resistance is met or client coughs, then pull back 1 cm. • Apply intermittent suction by placing and releasing nondominant thumb over vent of catheter, and slowly withdraw catheter while rotating it back and forth between dominant thumb and forefinger. The maximum time catheter may remain in airway is 10 seconds. Encourage client to cough.

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