Pleural diseases: Case Studies Dr. JM Nel Department of Pulmonology.
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Transcript of Pleural diseases: Case Studies Dr. JM Nel Department of Pulmonology.
Pleural diseases:Pleural diseases:Case StudiesCase Studies
Dr. JM NelDr. JM Nel
Department of PulmonologyDepartment of Pulmonology
Pleural effusionsPleural effusions
Case Presentation 1:Case Presentation 1:– 68 year old lady68 year old lady– Known with hypertensionKnown with hypertension– Presents with dyspnaePresents with dyspnae– Pleural effusion clinicallyPleural effusion clinically
WHAT SPECIAL INVESTIGATION NEXT ?WHAT SPECIAL INVESTIGATION NEXT ?
Pleural effusionsPleural effusions
CXRCXR Curved shadow at lung base (meniscus)Curved shadow at lung base (meniscus) Blunting of costophrenic angleBlunting of costophrenic angle
Pleural effusionsPleural effusions
WHAT NOW ???WHAT NOW ???
Pleural tapPleural tap– TransudateTransudate– ExudateExudate
Pleural effusionsPleural effusions Pleural fluid featuresPleural fluid features
– A. Appearance of A. Appearance of fluidfluid
– B. Biochemical B. Biochemical analysisanalysis
– C. Gram stainC. Gram stain
– D. Predominant cells D. Predominant cells in fluidin fluid
– E. OtherE. Other
Pleural effusion: InvestigationsPleural effusion: Investigations
LIGHT’S CRITERIALIGHT’S CRITERIA
Pleural fluid is an exudate if one or Pleural fluid is an exudate if one or more of criteria is met:more of criteria is met:
– Pleural fluid protein: Serum protein ratio > 0.5Pleural fluid protein: Serum protein ratio > 0.5– Pleural fluid LDH: Serum LDH ratio > 0.6Pleural fluid LDH: Serum LDH ratio > 0.6– Pleural fluid LDH > 2/3 upper limit of normal s- Pleural fluid LDH > 2/3 upper limit of normal s-
LDH LDH
Pleural effusionsPleural effusions
Pleural fluid Pleural fluid biochemistry:biochemistry:– Protein: 20Protein: 20– Albumin: 10Albumin: 10– LDH: 100LDH: 100
Serum Serum biochemistry:biochemistry:– Protein: 60 Protein: 60 (60-80G/L)(60-80G/L)
– Albumin: 18 Albumin: 18 (35-52G/L)(35-52G/L)
– LDH: 200 LDH: 200 (100-190U/L)(100-190U/L)
Pleural effusionsPleural effusions
TRANSUDATETRANSUDATE
Pleural effusion: CausesPleural effusion: Causes
TransudateTransudate
– Increased hydrostatic pressureIncreased hydrostatic pressure Congestive heart failureCongestive heart failure
– Decreased plasma oncotic pressureDecreased plasma oncotic pressure Nephrotic syndromeNephrotic syndrome CirrhosisCirrhosis
– Movement of transudative ascitic fluid through Movement of transudative ascitic fluid through diaphragmdiaphragm Cirrhosis Cirrhosis
Pleural effusionsPleural effusions
Case Presentation 2:Case Presentation 2:– 32 year old man32 year old man– Presents with fever, pleuritic chest pain Presents with fever, pleuritic chest pain
and dyspnaeand dyspnae– Pleural effusion clinicallyPleural effusion clinically
WHAT SPECIAL INVESTIGATION NEXT ?WHAT SPECIAL INVESTIGATION NEXT ?
Pleural effusionsPleural effusions
CXRCXR Curved shadow at lung base (meniscus)Curved shadow at lung base (meniscus) Blunting of costophrenic angleBlunting of costophrenic angle
Pleural effusionsPleural effusions
WHAT NOW ???WHAT NOW ???
Pleural tapPleural tap– TransudateTransudate– ExudateExudate
Pleural effusion: InvestigationsPleural effusion: Investigations
LIGHT’S CRITERIALIGHT’S CRITERIA
Pleural fluid is an exudate if one or Pleural fluid is an exudate if one or more of criteria is met:more of criteria is met:
– Pleural fluid protein: Serum protein ratio > 0.5Pleural fluid protein: Serum protein ratio > 0.5– Pleural fluid LDH: Serum LDH ratio > 0.6Pleural fluid LDH: Serum LDH ratio > 0.6– Pleural fluid LDH > 2/3 upper limit of normal s- Pleural fluid LDH > 2/3 upper limit of normal s-
LDH LDH
Pleural effusionsPleural effusions
Pleural fluid Pleural fluid biochemistry:biochemistry:– Protein: 60Protein: 60– Albumin: 20Albumin: 20– LDH: 150LDH: 150
Serum Serum biochemistry:biochemistry:– Protein: 80 Protein: 80 (60-80G/L)(60-80G/L)
– Albumin: 30 Albumin: 30 (35-52G/L)(35-52G/L)
– LDH: 180 LDH: 180 (100-190U/L)(100-190U/L)
Pleural effusionsPleural effusions
EXUDATEEXUDATE
Pleural effusion: CausesPleural effusion: Causes
ExudateExudate
– InflammatoryInflammatory InfectionInfection
– TB/ PneumoniaTB/ Pneumonia Pulmonary embolus/ infarctionPulmonary embolus/ infarction Connective tissue diseaseConnective tissue disease
– RA/ SLERA/ SLE Adjacent to subdiaphragmatic diseaseAdjacent to subdiaphragmatic disease
– Pancreatitis/ Subphrenic abscessPancreatitis/ Subphrenic abscess
– MalignanciesMalignancies
Pleural effusionsPleural effusions
Pleural fluid Pleural fluid biochemistry:biochemistry:– Protein: 60Protein: 60– Albumin: 20Albumin: 20– LDH: 150LDH: 150– Glucose: 1.8Glucose: 1.8– pH: 7.0pH: 7.0
Serum Serum biochemistry:biochemistry:– Protein: 80 Protein: 80 (60-80G/L)(60-80G/L)
– Albumin: 30 Albumin: 30 (35-52G/L)(35-52G/L)
– LDH: 180 LDH: 180 (100-190U/L)(100-190U/L)
Pleural effusionsPleural effusions
EMPYEMAEMPYEMA
Empyema: InvestigationsEmpyema: Investigations
Aspiration of pusAspiration of pus
– Confirmation of empyemaConfirmation of empyema 1. Appearance of fluid: pus1. Appearance of fluid: pus 2. Neutrophils2. Neutrophils 3. Positive gram stain3. Positive gram stain 4. Low pH < 7.24. Low pH < 7.2 5. Low glucose < 3.35. Low glucose < 3.3
Pleural effusion: InvestigationsPleural effusion: Investigations
E. OtherE. Other– Low pHLow pH
Infection/ EmpyemaInfection/ Empyema RA/ SLERA/ SLE MalignancyMalignancy TBTB Ruptured Ruptured
oesophagusoesophagus
– Low glucoseLow glucose As low pHAs low pH
– High ADAHigh ADA
Pulmonary Embolism:Pulmonary Embolism:Case StudiesCase Studies
Dr. JM NelDr. JM Nel
Department of PulmonologyDepartment of Pulmonology
Pulmonary embolism Pulmonary embolism
Case Presentation 1:Case Presentation 1:– 64 year old male 64 year old male – Previous hip surgery 20 days agoPrevious hip surgery 20 days ago– Sudden dyspnaeSudden dyspnae– Pleuritic chest painPleuritic chest pain– HypoxicHypoxic– Clinically DVTClinically DVT
Pulmonary embolismPulmonary embolism
DIFFERENTIAL DIAGNOSISDIFFERENTIAL DIAGNOSIS
Pulmonary embolismPulmonary embolism
PneumoniaPneumonia
PneumothoraxPneumothorax
Musculoskeletal chest painMusculoskeletal chest pain
Pulmonary embolismPulmonary embolism
ASK 3 QUESTIONSASK 3 QUESTIONS
– Is the presentation consistent with PE ?Is the presentation consistent with PE ?
– Does the patient have risk factors for Does the patient have risk factors for PE ?PE ?
– Is there another diagnosis that can Is there another diagnosis that can explain the patients presentation ?explain the patients presentation ?
Pulmonary embolismPulmonary embolism
WHAT NOW ???WHAT NOW ???
Pulmonary embolismPulmonary embolism
CXRCXR– Exclude differential diagnosesExclude differential diagnoses
Heart failureHeart failure PneumoniaPneumonia PneumothoraxPneumothorax
High index of suspicion if normal CXRHigh index of suspicion if normal CXR– Acute dyspnoeac and hypoxaemic Acute dyspnoeac and hypoxaemic
patientpatient
Pulmonary embolismPulmonary embolism
ECG ECG – Exclude other differential diagnosesExclude other differential diagnoses
Acute myocardial infarctionAcute myocardial infarction PericarditisPericarditis
Most commonMost common– Sinus tachycardiaSinus tachycardia
Pulmonary embolismPulmonary embolism
Arterial bloodgasArterial bloodgas
Low PaO2Low PaO2
Pulmonary embolismPulmonary embolism
D- dimerD- dimer
POSITIVEPOSITIVE
Other causes for Other causes for elevationelevation– Myocardial Myocardial
infarctioninfarction
– PneumoniaPneumonia
– SepsisSepsis
Pulmonary embolismPulmonary embolism
HeartsonarHeartsonar
NORMALNORMAL
Massive PEMassive PE
– Acute dilatation of the Acute dilatation of the right heartright heart
– Pulmonary Pulmonary hypertensionhypertension
– Thrombus can be seenThrombus can be seen
Alternative diagnosesAlternative diagnoses
– Left ventricular failureLeft ventricular failure– Aortic dissectionAortic dissection– Pericardial tamponadePericardial tamponade
Pulmonary embolismPulmonary embolism
Duplex doppler of legsDuplex doppler of legs
DVT in legDVT in leg
Pulmonary embolismPulmonary embolism
V/Q scanV/Q scan
PULMONARY EMBOLISMPULMONARY EMBOLISM
Pulmonary embolism: Pulmonary embolism: ManagementManagement
General measuresGeneral measures– Oxygen for all hyoxaemic patientsOxygen for all hyoxaemic patients
Keep arterial oxygen saturation > 90%Keep arterial oxygen saturation > 90%
AnticoagulationAnticoagulation– Clexane 80mg bd scClexane 80mg bd sc
Give at least 5 daysGive at least 5 days
– WarfarinWarfarin
– Stop Clexane when INR is > 2Stop Clexane when INR is > 2
Pulmonary embolism: Pulmonary embolism: ManagementManagement
HOW LONG DO I HOW LONG DO I TREAT THIS TREAT THIS PATIENT WITH PATIENT WITH WARFARIN ???WARFARIN ???
3 Months3 Months
Duration of Warfarin Duration of Warfarin therapytherapy– If underlying If underlying
prothrombotic risk or prothrombotic risk or previous emboliprevious emboli For lifeFor life
– If identifiable and If identifiable and reversible risk factorreversible risk factor 3 Months3 Months
– If idiopathic If idiopathic 6 Months6 Months
Pulmonary embolismPulmonary embolism
Case Presentation 2:Case Presentation 2:– 28 year old lady28 year old lady– Oral contraceptivesOral contraceptives– 10 hour flight10 hour flight– Sudden dyspnaeSudden dyspnae– BP 90/40BP 90/40– Loud P2/ Increased JVPLoud P2/ Increased JVP– HypoxicHypoxic
Pulmonary embolismPulmonary embolism
DIFFERENTIAL DIAGNOSISDIFFERENTIAL DIAGNOSIS Massive pulmonary embolismMassive pulmonary embolism
Myocardial infarctionMyocardial infarction
Pericardial tamponadePericardial tamponade
Aortic dissectionAortic dissection
Pulmonary embolismPulmonary embolism
ASK 3 QUESTIONSASK 3 QUESTIONS
– Is the presentation consistent with PE ?Is the presentation consistent with PE ?
– Does the patient have risk factors for Does the patient have risk factors for PE ?PE ?
– Is there another diagnosis that can Is there another diagnosis that can explain the patients presentation ?explain the patients presentation ?
Pulmonary embolismPulmonary embolism
CXRCXR
NORMALNORMAL
Pulmonary embolismPulmonary embolism
ECGECG– S1 Q3 T3S1 Q3 T3– RBBBRBBB
Arterial bloodgasArterial bloodgas– Low PaO2Low PaO2
D- dimerD- dimer– POSITIVEPOSITIVE
Pulmonary embolismPulmonary embolism
HeartsonarHeartsonar– Right ventricular dilatationRight ventricular dilatation– Increased pulmonary pressureIncreased pulmonary pressure
Pulmonary embolismPulmonary embolism
CT pulmonary angiographyCT pulmonary angiography
MASSIVE PULMONARY EMBOLISMMASSIVE PULMONARY EMBOLISM
Pulmonary embolism: Pulmonary embolism: ManagementManagement
General measuresGeneral measures– Oxygen for all hypoxaemic patientsOxygen for all hypoxaemic patients
Keep arterial oxygen saturation > 90%Keep arterial oxygen saturation > 90%
– Treat hypotension with IVI fluidsTreat hypotension with IVI fluids
Thrombolytic therapyThrombolytic therapy– RV dilatationRV dilatation– Low BPLow BP
Pulmonary embolism: Pulmonary embolism: ManagementManagement
Complications of thrombolytic Complications of thrombolytic therapytherapy– Intracranial haemorrhageIntracranial haemorrhage– Haemorrhage at other sitesHaemorrhage at other sites– AnaphylaxisAnaphylaxis
Pulmonary embolismPulmonary embolism
Case Presentation 3:Case Presentation 3:– 28 year old lady28 year old lady– Oral contraceptivesOral contraceptives– 10 hour flight10 hour flight– Sudden dyspnaeSudden dyspnae– BP 130/80BP 130/80– Loud P2/ Increased JVPLoud P2/ Increased JVP– HypoxicHypoxic
Pulmonary embolismPulmonary embolism
CXRCXR
NORMALNORMAL
Pulmonary embolismPulmonary embolism
ECGECG– S1 Q3 T3S1 Q3 T3– RBBBRBBB
Arterial bloodgasArterial bloodgas– Low PaO2Low PaO2
D- dimerD- dimer– POSITIVEPOSITIVE
Pulmonary embolismPulmonary embolism
HeartsonarHeartsonar– Right ventricular dilatationRight ventricular dilatation– Increased pulmonary pressureIncreased pulmonary pressure
Pulmonary embolismPulmonary embolism
CT pulmonary angiographyCT pulmonary angiography
PULMONARY EMBOLISMPULMONARY EMBOLISM
Pulmonary embolismPulmonary embolism
Patient has normal BPPatient has normal BP
Patient has RV strainPatient has RV strain
SUBMASSIVE PULMONARY EMBOLISMSUBMASSIVE PULMONARY EMBOLISM
Confirmed PE
NO
ECHORV dysfunction
Low riskNon-massive PE
YES
Anticoagulate
HemodynamicallyStable ?
LMWHUFH
NOYES
Massive PE
Thrombolysis if no contra-indicationAnticoagulate
Submassive PE
Submassive PESubmassive PE
To thrombolise or not to thromboliseTo thrombolise or not to thrombolise
THAT REMAINS THE QUESTION !!!THAT REMAINS THE QUESTION !!!
Thrombolytic therapyThrombolytic therapy
Associated with rapid resolution of Associated with rapid resolution of radiographic abnormalityradiographic abnormality
No reduction in No reduction in mortality !!!mortality !!!
Thrombolytic therapyThrombolytic therapy
Indicated only in hemodynamically Indicated only in hemodynamically unstable patients !!!unstable patients !!!– SBP < 90mmHgSBP < 90mmHg
All must be followed by therapeutic All must be followed by therapeutic anticoagulationanticoagulation