pneumothorax in ICU Ppt Powerpoint Presentation slides Dr. Ashok jadon,MD DNB MNAMS Medical Slideshow Penetrating Chest Wounds, Pneumothorax, Tension Pneumothorax and .

pneumothorax in ICU

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Anusha on Jun 20, 2009 Says :

The slides are really nice.it is a good model for medical students doing Seminars on Pneumothorax.

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Show Notes

Slide 1 :

Pneumothorax in ICU Dr Ashok Jadon, MD DNB Sr. Consultant & HOD Dept. of Anaesthesia Tata Motors Hospital, Jamshedpur

Slide 2 :

Introduction Pneumothorax; air in pleural space Air can enter from the outside; injury penetrated the chest wall Air can enter from inside, if the lung is torn or ruptured e.g. (pulmonary bleb).

Slide 3 :

Pneumothorax is the most common serious pleural complication in the ICU Pneumothorax may be difficult to diagnose when their locations are atypical, when the patient has underlying cardiopulmonary disease altered mental status

Slide 4 :

ICU pts : High Risk Group Serious systemic disease Hemodynamically unstable; Invasive Procedures Ventilator/ Resuscitations Postoperative Patients; shifted from another invasive environment Trauma; admitted to ICU Penetrating Injury of Chest/ Abdomen # Rib Resuscitation Central Line

Slide 5 :

De Lassence et al Anesthesiology. 2006 Jan;104(1):5-13. Incidence 1.4% on day 5 and 3.0% on day 30. Risk factors History of adult immunodeficiency syndrome Diagnosis of acute respiratory distress syndrome Cardiogenic pulmonary edema at admission Central vein or pulmonary artery catheter insertion Use of inotropic agents during the first 24 h Pneumothorax in the intensive care unit: incidence & risk factors,

Slide 6 :

Close Associations for high incidence Disease; ARDS Ventilation; Incidence (4 to 15%). Procedures Thoracentesis, Central venous catheter placement, Bronchoscopy Pericardiocentesis Tracheostomy

Slide 7 :

Types/ Etiology Spontaneous Primary Secondary Iatrogenic / Traumatic Open/ Close Tension Pneumothorax

Slide 8 :

Spontaneous Pneumothorax This refers to a condition in which the lung collapses with no apparent injury or trauma Pulmonary blebs COPD; Emphysematous Bullae AIDS/ Lung Tumor Infective or Infiltrative Lung Disease Cigarette smokers & Recreational drug users are at greater risk for spontaneous pneumothorax.

Slide 9 :

How Mechanical Ventilation Responsible for Pneumothorax ?

Slide 10 :

Biotrauma Barotrauma and Volutrauma Atelectrauma

Slide 11 :

Barotrauma and Volutrauma Ventilator-induced lung injury by high levels of mechanical stress and strain that occur when high airway pressures( Barotrauma) and high volumes (Volutrauma) are delivered . This stress and strain can disrupt the pulmonary fibroelastic skeleton and trigger a secondary inflammatory response.

Slide 12 :

Atelectrauma Moderate degrees of stress and strain related to the cyclic opening and closing of parts of the lung may directly induce the release of inflammatory mediators and noxious proteinases.

Slide 13 :

Slide 14 :

Relationship between ventilatory settings and barotrauma in the ARDS incidence of barotrauma 0% to 49%, High incidence correlated strongly P(plat), above 35 cm H2O, Compliance below 30 ml/cm H2O Aspiration Pneumonia In a prospective study 38 percent of patients developed pneumothorax and pneumo-mediastinum. Mohamed Boussarsar Intensive Care Med. 2002 ;28 (4):406-13.

Slide 15 :

PneumothoraxTraumatic/ Procedure related Direct trauma to the chest wall from either blunt or penetrating trauma causes this condition Thoracentesis (54%) Central vein/pulmonary artery catheterization (40%) Bronchoscopy /transbronchial lung biopsy (23%)

Slide 16 :

Pneumothorax;Central Venous Line Internal jugular, subclavian, or Femoral Vein There is no difference in the rates of pneumothorax for internal jugular versus subclavian vein placement Ruesch S, Walder B, Tramer M. Complications of Central Venous Catheters: Internal Jugular versus Subclavian access-A Systematic Review. Crit Care Med. 2002;30:454-60.

Slide 17 :

Pneumothorax after insertion of central venous catheters in the intensive care unit: association with month of year and week of month Highest in July and August and in the first week of the month (beginning of intensive care unit (ICU) rotation). The rate of PTX after insertion of CVCs is greatest in the last week of the month(2.7%) than during the first, second or third weeks (1.7%, 1.8% and 1.4%, respectively). Najib T Ayas-Quality and Safety in Health Care 2007;16:252-255

Slide 18 :

Symptoms Sharp, stabbing chest pain that worsens on breathing or with deep inspiration. Pain often radiates to the shoulder and or back A dry, hacking cough may occur because of irritation of the diaphragm.

Slide 19 :

Tension Pneumothorax When the pleural pressure is positive throughout respiratory cycle “Ball-valve mechanism” Injury to pleura creates a tissue flap that opens on inspiration and closes on expiration

Slide 20 :

Epidemiology Kolef reviewed 464 ICU patients 28 (6%) developed pneumothorax 9 patients missed the initial diagnosis 3 (33%) developed tension pneumothorax In diagnosed 19 patients only 1 (5%) develop pneumothorax Tocino & coworkers Missed pneumothorax 34/112 (30%) 16/34 patients developed tension pneumothorax

Slide 21 :

Clinical picture Distressed Rapid labored breathing Cyanosis Profuse diaphoresis Marked tachycardia Hypotension Decreased breath sounds Hyper resonance on percussion

Slide 22 :

Etiology of symptoms Hypoxia Decreased PaO2 Perfusion of atelectatic lung Decrease venous return increase intrathoracic pressure Decreased CO & SV

Slide 23 :

Investigations A A A A A

Slide 24 :

Hallmark: air between two pleural spaces Why they are missed? Unfortunately, it is difficult to make a radiographic diagnosis of a pneumothorax on portable x-ray films taken in the ICU setting. X-ray Upright-air in Apex X-ray In ICU; supine , semi supine In addition, concurrent lung disease may lead to different distributions of free air in the pleural space than in patients with relatively normal lungs.

Slide 25 :

Distribution of air

Slide 26 :

Always look for…. Subtle radiographic signs of pneumothorax Relative hyperlucency over the upper abdominal quadrants Deep costophrenic angle (the deep sulcus sign)

Slide 27 :

Role of Ultrasound in Diagnosis Disappearance of "lung sliding" was observed in 100% In this series, sensitivity was 95.3%, specificity 91.1%, and negative predictive value 100% (p<0.001). Conclusions: Ultrasound was a sensitive test for detection of pneumothorax, although false-positive cases were noted. The principal value of this test was that it could immediately exclude anterior pneumothorax.

Slide 28 :

CT Thorax

Slide 29 :

Pneumothorax Prevention during CVCs Remove patient from ventilator before advancing the needle. Choose the right side rather than left, Avoid multiple attempts when possible Check post procedure x-ray,

Slide 30 :

Ultrasound Guided CVCs Success with ultrasound guidance was 100%, compared with 88% when ultrasound was not used. incidence of carotid puncture was reduced from 8.3% to 1.7%.

Slide 31 :

Treatment Small pneumothorax Resolve over days to weeks Supplemental oxygen and observation Spontaneous pneumothorax Asymptomatic –f/u with serial CXR Symptomatic –chest tube Recurrent pneumothorax – CT to evaluate need for thoracotomy

Slide 32 :

Tension pneumothorax; Treatment Pneumothorax can be life-threatening. The immediate treatment is tube thoracostomy, or the insertion of a chest tube. Chest tubes are generally inserted using local anesthesia. The chest tube is left in place until the lung leak seals on its own; this usually occurs within two to five days.

Slide 33 :

Thoracostomy (Chest tube)

Slide 34 :

Pulmonary blebs Pulmonary blebs can be resected, preventing future pneumothorax. Thoracoscopic surgical procedure. A stapling device is inserted into the chest during, and the segment of lung with blebs is stapled across and then removed

Slide 35 :

complications of air of pleural parenchyma Sub-pleural air cysts; Secondary infections in the cysts, Pseudomonas sepsis & death. Systemic Gas Embolism It is possible for extra-alveolar air to enter the systemic circulation if there is a bronchovenous communication and an adequate pressure gradient.

Slide 36 :

Prognosis Paucity of clinical data describing the prognostic factors associated with patient outcomes

Slide 37 :

Prognosis Seven patients (12%) had to undergo external suction and pleurodesis for persistent air leaks. Five patients still had air leaks, and the chest tube was not removed during their ICU stay. The mean duration of ICU stay was 24 ± 19 days (median, 17.5 days). The mean duration of chest tube drainage was 10 ± 11 days (median, 6 days). The mortality rate for patients with pneumothorax was 68%.

Slide 38 :

Prognosis contd.. Patients with procedure-related pneumothorax had a lower risk of mortality. Patients who had tension pneumothorax and concurrent septic shock had a higher risk of mortality. pneumothorax due to barotrauma, tension pneumothorax, and concurrent septic shock were significantly and independently associated with death.

Slide 39 :

Conclusion

Slide 40 :

Slide 41 :

Twist in Tale..

Slide 42 :

CXR with recurrent right-sidedpneumothorax, despite thoracostomy tube in place CT scan with giant bullae and anterior pneumothorax after insertion of a second thoracostomy tube

Slide 43 :

Message Put Chest Drain; Be Happy But, Be Observant and Do Follow -Up Not only Till Patient Go Home Later on too.

Slide 44 :

Thank You

	ashok.jadon@tatamotors.com 1 Years ago. Category: Anesthesiology

Tags:	Anesthesiology

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