Thoracentesis




Indications



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  • • Therapeutic drainage of pleural effusion in patient with respiratory compromise when fluid is unlikely to reaccumulate.


    • Diagnostic evaluation of pleural effusion of unknown etiology.


    • Therapeutic removal of small pneumothorax.





Contraindications



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Relative





  • • Skin infection (eg, herpes zoster) at site of insertion.


    • Bleeding diathesis, anticoagulant therapy.


    • Mechanical ventilation.





Equipment



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  • • Sterile gloves, mask, and gown.


    • Iodinated skin preparation with sterile sponges.


    • Sterile towels.


    • Local anesthetic (1% lidocaine without epinephrine).


    • 5-mL syringe with 25-gauge needle.


    • 18-gauge 2-inch needle.


    • 18–20-gauge angiocatheter.


    • Collection basin.


    • 3-way stopcock.


    • 20–60-mL syringe.





Risks



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  • • Bleeding.


    • Laceration of lung or other underlying tissues.


    • Potential for need to remove additional fluid or air at a later time.


    • If fluid or air is likely to reaccumulate, then tube thoracostomy is indicated.





Pearls and Tips



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  • • In a cooperative child, the procedure does not take more than 10–15 minutes.


    • Use lateral decubitus film to determine whether pleural effusion is free-flowing fluid or loculated.


    • Insert needle over top of rib since the neurovascular bundle is under the rib (see Figure 20–1).






Figure 20–1.



Anatomy of the neurovascular bundle.





Patient Preparation



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  • • Patient should have intravenous access.


    • Oxygen should be available.


    • Monitor oxygen saturation with pulse oximetry.


    • Younger patients may need sedation for procedure.


    • Explain procedure in a developmentally appropriate manner before and during procedure.





Patient Positioning



Listen






  • • Pleural effusion.




    • • Sitting upright with arms supported on table in front of patient (see Figure 20–2).


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Jan 4, 2019 | Posted by in PEDIATRICS | Comments Off on Thoracentesis

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