Week 11 : CVAD, TPN, and Chest Tubes

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Questions and Answers

The tip of a PICC catheter should be placed in the:

  • Lower third of the superior vena cava (correct)
  • Lower one third of the inferior vena cava
  • Lower one third of the basilic vein
  • Anywhere in the subclavian vein

When accessing a CVAD, always use at least a _____ sized syringe

  • 5 mL
  • 3 mL
  • 10 mL (correct)
  • 20 mL

A patient with a CVAD line complains of swishing noise in his ear when the line is flushed. This can be an indication of:

  • The tip of the catheter has migrated into the jugular vein
  • The CVAD is patent and being thoroughly flushed
  • Of a CVAD-associated infection (correct)
  • Of a pulmonary embolus

Chest pain, shortness of breath, and cyanosis are signs of:

<p>An embolism (D)</p> Signup and view all the answers

The transparent film dressing on a CVAD insertion site is usually changed every

<p>6 days (C)</p> Signup and view all the answers

Acetone may be used to remove adhesive glue from CVAD

<p>False (B)</p> Signup and view all the answers

After blood sampling from implanted vascular access device (port) you should always flush with a minimum of:

<p>20 mL of NS (C)</p> Signup and view all the answers

Phlebitis may be caused by mechanical or chemical means

<p>True (A)</p> Signup and view all the answers

If the catheter is occluded or there is resistance upon flushing or infusion the nurse will:

<p>All of the above (@)</p> Signup and view all the answers

Symptoms of local or systemic infection include the following: ( select all that apply)

<p>Increased WBC count (A), Febrile (B), Increased heart rate (@)</p> Signup and view all the answers

All PICC must use a securement device:

<p>True (A)</p> Signup and view all the answers

To dissolve a clot a thrombolytic may be administered by the nurse

<p>False (B)</p> Signup and view all the answers

If an air embolism is suspected, nursing actions include: ( select all that apply)

<p>Position patient in left lateral trendelenberg (B), Vital signs and administer O2 (C), Notify the physican (D)</p> Signup and view all the answers

Match the CVAD with the record duration of use:

<p>Tunneled Catheter = Long-term use (months to years) Non-tunneled Catheter = Short-term use (days to weeks) Implantable Port = Long-term use (years) PICC Line = Intermediate-term use (weeks to months)</p> Signup and view all the answers

A CVAd does not require radiological confirmation of placement before use

<p>False (B)</p> Signup and view all the answers

Reasons for CVAD therapy include

<p>Admin of large volume of fluids and/ or blood products (A), Admin of vesicants and/or irritating medication (B), Poor peripheral access (C), Frequent blood specimen withdrawals (D)</p> Signup and view all the answers

Which finding would suggest a Central Line-Associated Bloodstream Infection (CLABSI) in a patient with a CVAD?

<p>Increased purulent drainage from the insertion site, fever, and elevated white blood cell count. (B)</p> Signup and view all the answers

A patient with a tunneled CVAD is receiving Total Parenteral Nutrition (TPN). What is the most important nursing action to prevent complications related to TPN administration?

<p>Monitoring blood glucose levels regularly to detect hyperglycemia. (B)</p> Signup and view all the answers

When changing a transparent dressing on a CVAD, what is the primary rationale for using strict sterile technique?

<p>To prevent the introduction of microorganisms into the bloodstream. (C)</p> Signup and view all the answers

A patient with a chest tube suddenly develops increased shortness of breath and has diminished breath sounds on the affected side. What immediate action should the nurse take?

<p>Assess the chest tube system for kinks, obstructions, or air leaks. (B)</p> Signup and view all the answers

A patient with a PICC line is about to receive medication. Prior to administering the medication, the nurse assesses the insertion site and notes swelling and redness. What is the nurse's priority action?

<p>Hold the medication and notify the healthcare provider about the signs of potential complications. (C)</p> Signup and view all the answers

What is the most appropriate flushing protocol for maintaining the patency of a CVAD that is not in continuous use?

<p>Flush with 10 mL of normal saline at least once per shift. (B)</p> Signup and view all the answers

A patient with a chest tube is being transferred from the bed to a chair. What is the most important consideration regarding the drainage system during the transfer?

<p>Ensuring the drainage system remains below the level of the chest. (B)</p> Signup and view all the answers

A patient receiving TPN develops rapid weight gain, edema, and crackles in the lungs. Which complication is most likely occurring?

<p>Fluid Overload (C)</p> Signup and view all the answers

During chest tube insertion, if continuous bubbling is noted in the water-seal chamber, what does this typically indicate?

<p>There is an air leak in the system. (B)</p> Signup and view all the answers

A patient is being discharged home with a PICC line for long-term antibiotic therapy. What key instruction should the nurse emphasize regarding daily care?

<p>Monitor the insertion site daily for signs of infection and report any concerns promptly. (A)</p> Signup and view all the answers

Flashcards

CVAD Infection Signs

Redness, swelling, warmth, pain, or drainage at the insertion site.

CVAD Flushing Frequency

Flush before and after medication and at least once per shift if not in use.

PICC Line

Inserted into a peripheral vein, tip in superior vena cava; used for medium-term IV therapy.

Tunneled CVAD Placement

Inserted under the skin to tunnel to the central vein for secure access.

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Dialysis Catheter

Catheter inserted into a large central vein with a larger diameter for high-pressure flow for dialysis.

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TPN Macronutrients

Glucose, amino acids, and lipids, tailored to patient's needs.

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TPN Administration

Carefully calculate infusion rate, use sterile technique, and change the bag daily.

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TPN Hyperglycemia Management

Monitor blood glucose regularly, administer insulin if needed.

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Chest Tube Purpose

Air, blood, or fluid drainage from the pleural space.

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Dislodged Chest Tube

Cover site with sterile occlusive dressing and tape to prevent air entry.

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Capital of France (example flashcard)

Paris

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Study Notes

General Care of CVADs

  • Insertion site assessment should include looking for redness, swelling, warmth, pain, or drainage
  • Check for catheter displacement, proper functioning, and any signs of occlusion
  • Use sterile technique for dressing changes to minimize infection risk
  • Transparent dressings are changed every 7 days or when visibly soiled or wet
  • Gauze dressings are changed every 48 hours
  • CVADs should be flushed with saline or heparin (as prescribed) to maintain patency and prevent clotting
  • Flushing is typically done before and after medication administration and at least once per shift if the line is not in use

Complication Prevention in CVADs

  • Monitor for signs of Central Line-Associated Bloodstream Infections (CLABSI), follow proper hand hygiene and sterile technique
  • Monitor for swelling or pain in the limb, as this could indicate a thrombus or clot
  • Be cautious when handling the line to avoid introducing air into the bloodstream
  • Secure the catheter properly and monitor for any signs of an air embolism, such as sudden shortness of breath and chest pain

Patient Education for CVADs

  • Instruct patients on care of the CVAD, including avoiding pulling or tugging on the catheter
  • Educate about signs of complications like infection, catheter displacement, and air embolism
  • Encourage patients to report discomfort or any changes at the insertion site immediately

Non-Tunneled CVAD

  • Short-term use (up to 6 weeks)
  • Often used in emergency or critical care settings
  • Inserted directly into a large central vein (subclavian, jugular, or femoral vein)
  • Higher risk of infection due to short-term nature

Tunneled CVAD

  • Long-term use (weeks to months)
  • Often used for chemotherapy, antibiotic therapy, or dialysis
  • The catheter is tunneled under the skin before entering the central vein, providing more secure access
  • Lower infection risk than non-tunneled CVADs and can be used for months, though maintenance is still required

Peripherally Inserted Central Catheter (PICC)

  • Medium-term use (up to several months), especially for patients with difficult venous access
  • Inserted into a peripheral vein (usually in the arm), with the tip positioned in the superior vena cava
  • A good option for patients needing prolonged IV therapy, such as long-term antibiotics or nutrition

Implanted Ports

  • Long-term use, typically for patients who need repeated access, such as those receiving chemotherapy
  • The port is placed under the skin, and the catheter leads to a central vein
  • Low infection risk and can be used for long periods without external catheter exposure

Dialysis Catheters

  • Long-term use for hemodialysis
  • Inserted into a large central vein (usually the internal jugular)
  • Larger diameter to accommodate the high-pressure flow needed for dialysis

Indications for TPN

  • Used for patients who cannot meet nutritional needs via the gastrointestinal tract
  • Examples of patients who may need TPN include those with bowel obstruction, short bowel syndrome, malabsorption syndromes, or after major surgery
  • Delivered through a central venous catheter (CVC) due to the high osmolarity of the solution, which could damage smaller peripheral veins

Components of TPN

  • Macronutrients include glucose (carbohydrates), amino acids (proteins), and lipids (fats)
  • Micronutrients include vitamins, minerals, and trace elements tailored to the patient's needs
  • Electrolytes are carefully monitored to ensure a balanced nutritional profile
  • The volume and composition of fluids are adjusted based on the patient's hydration status

Administration of TPN

  • The infusion rate should be carefully calculated to prevent complications, such as hyperglycemia, fluid overload, or electrolyte imbalances
  • TPN should be prepared in a sterile environment, and the bag should be changed daily
  • Patients receiving TPN require frequent monitoring, including blood glucose levels, electrolytes, liver function tests, and weight

Complications of TPN

  • The use of a CVC increases the risk of Central Line-Associated Bloodstream Infections (CLABSI), so strict infection control practices are essential
  • High glucose concentrations can cause hyperglycemia, monitor blood glucose regularly, and insulin may be required
  • Long-term TPN use can lead to liver dysfunction and cholestasis, especially in children or those receiving TPN for extended periods
  • Careful monitoring is needed to avoid hyperkalemia, hypokalemia, hypophosphatemia, and other imbalances

Nursing Considerations for TPN

  • Monitor the TPN solution for correct composition, integrity, and expiry
  • Ensure the central line is functioning properly before starting the TPN infusion
  • Educate the patient on the importance of consistent TPN administration and monitoring for complications

Indications for Chest Tube

  • Inserted to drain air, blood, or fluid from the pleural space
  • Common reasons for chest tube placement include pneumothorax (air in the pleural space)
  • Further reasons include hemothorax (blood in the pleural space), pleural effusion (fluid accumulation)
  • Other reasons include post-surgical drainage (especially after thoracic surgery or trauma)

Nursing Responsibilities for Chest Tubes

  • Ensure the drainage system is functioning correctly (e.g., water-seal chamber) and that no air is entering the pleural space
  • Assess the amount, color, and consistency of fluid in the drainage system
  • Monitor for signs of infection at the insertion site (e.g., redness, warmth, drainage) and check for subcutaneous emphysema
  • Monitor vital signs, particularly respiratory rate, oxygen saturation, and signs of respiratory distress

Drainage System Maintenance for Chest Tubes

  • The water-seal chamber should have a small amount of water to prevent backflow of air into the pleural space
  • Continuous bubbling indicates an air leak
  • Suction control: If suction is ordered, check that the suction pressure is set to the correct level (typically -20 cm H2O)
  • Ensure that the chest tube is free from kinks or obstructions

Complications of Chest Tubes

  • Persistent air bubbles in the water-seal chamber indicate an air leak, which may prevent lung re-expansion
  • Monitor for signs of increased shortness of breath
  • If the chest tube is dislodged, immediately cover the site with sterile occlusive dressing and tape it in place to prevent air from entering the pleural space
  • Watch for signs of infection at the insertion site, and adhere to strict aseptic technique when managing the chest tube

Patient Education for Chest Tubes

  • Instruct the patient to avoid pulling on the chest tube and to notify staff if they feel any sudden pain, shortness of breath, or discomfort
  • Teach the importance of deep breathing and coughing exercises to help with lung expansion and prevent pneumonia
  • Explain the need to monitor the drainage and ensure that the system remains below chest level to facilitate proper drainage

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