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Pleural Effusion - Respiratory MRCP 1 - 123Doc Education

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Pleural Effusion , as part of the Respiratory MRCP 1 course. These are slideshows only. The demonstration with video presentation and explanation that goes along with these slides, as well as free …

Pleural Effusion , as part of the Respiratory MRCP 1 course. These are slideshows only. The demonstration with video presentation and explanation that goes along with these slides, as well as free example exam questions and the paid full e-lecture can be viewed at https://www.123doc.com/electures/respiratory/

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Transcript

  • 1. Respiratory MRCP Part 1 Pleural Effusion Gary Lee Demonstration
  • 2. Pleural Effusion develops when Rate of fluid formation > Rate of fluid drainage
  • 3. SEPARATION OF EXUDATE AND TRANSUDATE TRANSUDATE EXUDATE <0.5 Pleural fluid: Serum Protein ratio >0.5 <0.6 Pleural Fluid: Serum LDH Ratio >0.6 <2/3 Pleural fluid LDH (upper serum limit) >2/3 >1.2 g/dL Albumin Gradient (Serum- Pleural fluid) <1.2 g/dL
  • 4. Table 2 TRANSUDATE EXUDATE Congestive heart failure Parapneumonic Effusion Hepatic Cirrhosis TB effusion Renal Failure (Nephrotic Syndrome) Malignant effusion Other: CVD, Chylothorax etc
  • 5. Malignant Pleural effusion
  • 6. Malignant Pleural effusion Most commonly from lung or breast carcinoma Diagnosis: Pleural fluid cytology or pleural biopsy (closed, CT guided, Thoracoscopic) Usual recurs Produces dyspnea Treatment: Pleurodesis: Indewelling catheter; Repeated thoracentesis
  • 7. Chest Scan
  • 8. Pleural Infection: Pathophysiology Sub-Pleural infection ‘Simple’ effusion Complicated effusion Empyema ‘Healing’ Empyema No effusion Straw coloured, pH> 7.02 Straw coloured, pH> 7.02 Fibrin + Pus and fibrin ++ Collagen; Fibrosis
  • 9. Complicated Parapneumonic Effusion / Empyema • Always suspect pleural infection in a patient with a pleural effusion, pneumonia or fever/Sepsis • ‘The sun should never set on a parapneumonic effusion.’ • Early drainage and treatment may avoid development of empyema. • Treatment = Drainage of the infected pleural fluid + Appropriate antibiotics
  • 10. Antibiotics: British Thoracic Society Recomendation Community acquired empyema Cefuroxime 1.5g tds + Metronidazole 400mg tds Clindamycin 300mg qds po+ Ciprofloxacin 500mg bd Hospital acquired empyema Vancomycin 1mg bd+ Merophenem 1mg tds Teicoplanin 400mg bd for 3 dosage then 400mg daily a merophenem 1g tds
  • 11. A 57 years old woman developed a unilateral pleural effusion. The fluid was milky, lymphocytic and with an elevated triglyceride level (2.5mmol/L). There was no history of trauma or surgery.
  • 12. Which of the following is most appropriate?
  • 13. Which of the following is most appropriate? A. Multiple pleural biopsies with Abram’s needle B. Flow cytometry of the pleural fluid C. CT Thorax to exclude mediastinal lymphadenopathy D. Thoracoscopy E. Screening for rheumatoid arthritis