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Chest Drains (Under Water Sealed Drains) Dr Carlos Pilasi Dr Amir Ashrafi

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Page 1: ChestDrains& &(Under&Water&Sealed&Drains)&&175days.com.au/wp-content/uploads/2014/12/Chest-Drain-T1... · 2014-12-07 · Introduc;on&& Chestdrains&also&known&as&under&water&sealed&drains&

Chest  Drains    (Under  Water  Sealed  Drains)    

•  Dr  Carlos  Pilasi    •  Dr  Amir  Ashrafi    

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Introduc;on    

Chest  drains  also  known  as  under  water  sealed  drains  (UWSD)  are  used  for:    

•  draining    •  restora;on  of  nega;ve  pressure  in  the  thoracic  cavity.  

Why  underwater  seal?    

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Physiology:  inspira;on  

•  Diaphragm    •  Pressure  equaliza;on      •  intrapulmonary  pressure  

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Breathing:  exhala;on  •  phrenic  nerve  

•  The  diaphragm  relaxes    •  Volume  reduc;on    

•  Increased  intrapulmonary  pressure  

•  Air  flows  out  

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Pleural  anatomy  Parietal  pleura  

 Visceral  pleura  

Normal  Pleural  Fluid  Quan0ty:    Approx.    25mL  per  lung  

Lung  

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Pleural  physiology  

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When  pressures  are  disrupted    

Intrapulmonary  pressure:                            -­‐4cmH20  

 

Intrapleural  pressure:  -­‐8cmH20  

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Indica;ons  for  Inser;on  of  a  Chest  Drain  

•  Post  opera;vely    •  Pneumothorax  •  Haemothorax  •  Empyema    •  Chylothorax  •  Pleural  effusions  

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Contraindica;ons  for  Inser;on  of  a  Chest  Drain  

Absolute:    •  When  its  not  indicated    •  Need  for  immediate  thoracotomy  

Rela;ve:    •  Coagulopathy  •  Platelet    Defect  

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Principles  of  inser;ng  a  Chest  Drain    

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Chest  Wall  Anatomy  

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Safe  Triangle      

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How  to  do  a  Tube  Thoracostomy  

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Steps  of  puYng  a  chest  drain    

Elegir  el  si;o  

Explorar  con  el  dedo  

Colocar  el  tubo  con  la  pinza  

Suturar  el  tubo  al  tórax  

Photos  courtesy  trauma.org  

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Post  inser;on  

•  Connect  to  UWSD  •  Confirm  func;onality  •  Repeat  CXR    •  Document  the  procedure        

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Needle  Thoracostomy    

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How  to  do  a  Needle  Thoracostomy  

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•  There  are  a  lot  of  reasons  why  the  needle  could  fail  to  relieve  a  tension  pneumothorax  (or  to  only  temporarily  relieve  a  tension  pneumothorax):  

•   Needle  may  be  too  short  to  enter  the  thorax  

•   Catheter  could  kink,  allowing  reaccumula;on  of  air  in  the  thorax.  

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Finger  Thoracostomy  The  use  of  a  “simple  thoracostomy”  or  “finger  thoracostomy”  was  ini;ally  described  in  the  literature  in  1995.  

 •  Method  similar  to  Tube  Thoracostomy  without  puYng  a  drain  

•  Probably  the  best  method  in  a  crushing  pa;ent.  

•  Easier  to  teach  and  perform  

•   No  foreign  body,  less  complica;ons      •  No  published  studies  to  compare  to  other  methods      

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 Open  pneumothorax:    Secondary  to  penetra;ng  wound.  

 Diagnosis:    •  Air  may  be  heard  passing  in  and  out  of  the  wound  with  breathing.  

Treatment:  •  High  flow  oxygen  •  Analgesia  •  Occlude  wound  with  dressing  (3  sides  only  to  

allow  air  to  escape  during  expira;on)  •  Immediate  Inser;on  of  chest  drain  

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Air  Leak  (bubbling)  

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Oscilla;on  (swing)  

•  The  water  in  the  water  seal  chamber  will  rise  and  fall  (swing)  with  respira;ons.  This  will  diminish  as  the  pneumothorax  resolves.  

•  Watch  for  unexpected  cessa;on  of  swing  as  this  may  indicate  the  tube  is  blocked  or  kinked.  

•  Cardiac  surgical  pa;ents  may  have  some  of  their  drains  in  the  medias;num  in  which  case  there  will  be  no  swing  in  the  water  seal  chamber.  

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Don’t  Forget  

Pain  •  Chest  tubes  are  painful  as  

the  parietal  pleura  is  very  sensi;ve.  Pa;ents  require  regular  pain  relief    

 •  Pain  assessment  should  be  

conducted  frequently  and  documented  

 Physiotherapy    

Drain  inser0on  site  •  Observe  for  signs  of  

infec;on  and  inflamma;on  and  document  findings  

•  Check  dressing  is  clean  and  intact  

•  Observe  sutures  remain  intact  &  secure  (par;cularly  long  term  drains  where  sutures  may  erode  over  ;me)  

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PITFALLS    

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Indica;ons  of  Removal  of  Chest  Drains  

•  Absence  of  an  air  leak  (pneumothorax)    •  Drainage  diminishes  to  lihle  or  nothing  

•  No  evidence  of  respiratory  compromise    •  Chest  x-­‐ray  showing  lung  re-­‐expansion  

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