Thorax cardio adult dyspnea imaging g ferretti
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Transcript of Thorax cardio adult dyspnea imaging g ferretti
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G Ferretti University hospital of Grenoble, France
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¡ Dyspnea is generally defined as a subjective experience of breathing discomfort
¡ Equivalent: breathlessness or shortness of breath or unpleasant urge to breathe
¡ Acute vs. chronic if > 1 month in duration
¡ Dyspnea is one of the most frequent symptoms of presentation of thoracic diseases in the ED
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Dyspnea may be of neurogenic, respiratory, or cardiac origin, and may be associated with conditions such as anemia, deconditioning, or anxiety.
85% of all cases of shortness of breath are caused by: ¡ congestive heart failure and myocardial ischemia ¡ asthma, COPD, interstitial lung disease, pneumonia, ¡ psychogenic disorders
▪ SARKAR S EVALUATION OF THE DYSPNEIC PATIENT IN THE OFFICE. PRIM CARE. 2006;33(3):643–657
> 30% of cases are related multifactorial etiology
▪ AMERICAN COLLEGE OF RADIOLOGY. ACR APPROPRIATENESS CRITERIA. CHRONIC DYSPNEA—SUSPECTED PULMONARY ORIGIN. 2012.
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¡ lung parenchyma
¡ airways
¡ vessels
¡ pleura
¡ thoracic wall
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Initial Diagnostic Studies includes
¡ Electrocardiography
¡ Spirometry
¡ Laboratory evaluation
¡ Chest Radiography
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Acute infectious pneumonia Left atelectasis
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¡ The cases in which CXR shows evident etiology of dyspnea will not be discussed here
¡ But more difficult cases will be presented with emphasize on the role of CT
§ Chronic presentation § Acute presentation
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§ FEV1 / FVC < 70% post-‐bronchodilator
§ Role of CT
§ Phenotyping COPD
§ Search for complications
§ Selection of patient before treatment
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Centrilobular emphysema 45 yo smoking man
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Bronchial wall thickening Bronchiectasis Air trapping Small airway diseases Expiration
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constrictive bronchiolitis
minIP inspiration
inspiration
expiration
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séquelle bronchiolite 2d SERGEANT_FREDERIc
17 yo man chronic dyspnea MacLeod / Syver James syndrome
minIP MIP average
focal areas of decreased lung opacity with sharp margins, reduced-size pulmonary vessels, bronchial wall thickening, and bronchiectasis.
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Sub acute Hypersensitivity Pneumonitis
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Tracheobronchomalacia (TBM)
● characterized by increased compliance and excessive collapsibility of trachea and / or bronchi (acquired / congenital)
● an important cause of chronic nonspecific pulmonary symptoms
● identified in 1–10% of bronchoscopies (Nuutinen Ann Clin Res 1977)
● but is an under diagnosed condition as it escapes detection on inspiratory CT
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56 yo man, COPD Recent worsening of chronic dyspnea End inspiratory CT: saber-sheath trachea
Inspiration End expi
End expiratory VCT: airway collapse < 50%
During expi
Dynamic expiratory VCT shows expiratory airway collapse > 70% VCT shows bowing of posterior membranous TBM confirmed by bronchoscopy
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High grade mucoepidermoid carcinoma in a 53 yo woman
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¡ 25 yo female ¡ Chronic obstructive disease ¡ FEV1: 2.36L; 64% ¡ FEV1 / VC: 72% ¡ Treatment for asthma failed ¡ Proposed diagnostic: complicated asthma
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1. IV contrast injection 2. Expiratory CT 3. MIP 4. Nothing, I’m glad with the CT I’ve done
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1. IV contrast injection 2. Expiratory CT 3. MIP 4. Nothing, I’m glad with the CT I’ve done
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¡ Dynamic stenosis of the LMB due to the compression between the aorta and the thoracic spine
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¡ HRCT is the most sensitive modality for diagnosing early emphysema in smokers with dyspnea.
¡ HRCT is more sensitive than pulmonary function tests for diagnosing emphysema.
¡ HRCT phenotypes BPCO § Emphysema § Diseases of the airways
¡ HRCT helps choosing appropriate treatment
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Pulmonary lymphangioleiomyomatosis
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Langerhans cell histiocytosis
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42 yo woman Mild dyspnea
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Possible NSIP in a patient with systemic sclerosis
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83 yo man Dyspnea at exercise Worked as a dentist
Silicosis complicated with emphysema
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¡ HRCT the best non invasive tool
¡ particularly appropriate when the results of clinical, radiographic, and laboratory studies are either nonrevealing or nondiagnostic.
¡ Many diseases have features characteristic enough to enable experienced radiologists to make a confident, probable, or limited differential diagnosis in most cases.
¡ Thanks to HRCT, biopsy and additional diagnostic testing are often unnecessary.
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¡ Rarely needed
¡ Useful in diagnosing § Chronic Thromboembolism of PA § fibrosing mediastinitis
¡ Is recommended in case of mosaic pattern with unremarkable PFT.
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62yo patient with chronic dyspnea at exercise CT without CM injection
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50 yo woman complaining of dyspnea at exercise associated with palpitation. 53 kg for 163cm
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TDM
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A 77-year-old woman was referred to our center for the workup of progressive exertional dyspnea.
Ventilation perfusion lung scan with multiple nonmatched perfusion defects in the right superior lobe and right median lobe and hypoperfusion of the left lung.
Seferian A et al. Circulation 2012;125:2045-2047
Copyright © American Heart Association by Andrei Seferian, et al
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Contrast-enhanced high-resolution computed tomography of the chest.
Seferian A et al. Circulation 2012;125:2045-2047
Copyright © American Heart Association
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PAHT VOD
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¡ Frequent in ER or ICU
¡ May be associated with a severe prognosis
¡ Need a quick diagnosis and treatment
¡ De novo or complicating a chronic dyspnea
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¡ Common pulmonary causes include § asthma § pneumothorax § upper airway obstruction § interstitial lung disease § pulmonary embolism § pulmonary hypertension
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¡ 2005 ¡ 83 yo women ¡ No particular history ¡ Acute dyspnea ¡ Unremarkable CXR ¡ Angio CT for suspected PE
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Acute PE
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¡ 2010 ¡ 88 yo ¡ Rapid onset of dyspnea
¡ Weight loss
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New epidode of thrombo-embolic PE?
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Sarcoma of the pulmonary artery
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Collomb Eur Radiol 2002
Gravité de l’EP : signes d’ICDA
VD / VG > 1 : valeur pédictive forte pour réanimation, thrombolyse, mortalité à 30 j
Schoepf U Circulation 2004
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68 yo man acute leukemia Fever Dyspnea CXR 22/02/2013
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Crazy paving
PCP pneumonia
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Measles severe
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¡ 62 yo man ¡ Immunocompetent ¡ Recent fatigue weigh loss anorexia ¡ Fever ¡ Cough ¡ acute respiratory distress… ICU
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Invasive Aspergillosis
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42 yo female Chronic dyspnea: PHT CT: PA embolism ?
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Undiagnosed partial anomalous pulmonary venous return
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¡ CXR is the first line technique in patients with dyspnea
¡ in case of unremarkable CXR, HRCT, Expiratory CT and angio CT play an important role for diagnosing patients with dyspnea
¡ V/Q scan remains the most sensitive technique for diagnosing chronic thromboembolism
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Grenoble