Apr 11, 2024
Contraindications to Lung Transplantation Absolute Contraindications Relative Contraindications Surgical considerations Anatomic abnormalities not amenable to transplant procedure Age >65 years Functional status Immobility, inability to participate in physical therapy/rehabilitation Limited functional status as defined by 6-minute walk distance Medical comorbidities Untreatable, irreversible organ dysfunction Chronic kidney disease Active malignancy or malignancy with insufficient remission period Active bacterial bloodstream infection Infection resistant to treatment or of high risk for posttransplant morbidity/mortality (Burkholderia cenocepacia, Mycobacterium abscesses) Uncontrolled viral infection (HIV, hepatitis) Nutritional BMI <18 or >30-35 Psychosocial Untreatable, irreversible psychiatric disorder with potential to impact transplant outcome Active substance abuse Limited social supports Other circumstances that would complete ability to participate in and comply with posttransplant care History of noncompliance with medical treatment
Predictors of Survival After Lung Transplantation |
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1 Year Survival |
≥10 Year Survival |
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Donor factors |
HCV donor |
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Recipient factors |
Age <70 years Diagnosis other than pulmonary fibrosis, pulmonary hypertension, sarcoidosis, A1AT O2 requirement <5L Cl >2 Outpatient at time of transplant Preserved recipient eGFR Total bilirubin <2 |
Age 18-35 years |
Donor/Recipient Factors |
Non female to male transplant Donor/recipient weight ratio >0.7 |
Higher levels of HLA matching |
Operative factors |
Avoidance of unplanned conversion to cardiopulmonary bypass Decreased ischemic time |
Bilateral lung transplant |
Posttransplant factors |
Pa07/Fi02>260 at 72h Absent need for postoperative ECMO support |
Fewer hospitalizations for rejection |
Other factors |
Higher center volume |
Higher center volume |
Also Read: Hepatopulmonary Syndrome And Porto Pulmonary Hypertension
Characteristics of the Ideal Lung Donor Donor age <55 years ABO compatibility Identical Chest radiography Clear PaO2:FiO2 >300 on PEEP 5-cm H2O Tobacco History <20 pack-years Chest Trauma Absent Evidence of aspiration Absent Prior thoracic surgery None Sputum gram stain Negative Bronchoscopy Findings No purulent secretions
Community acquired pneumonia |
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Hospital acquired pneumonia |
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Ventilator associated pneumonia |
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Healthcare associated pneumonia |
Definition
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Also Read: Harrison 21st Update Pulmonology
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Also Read: Special Considerations in Diabetes Mellitus
Initial Treatment Strategies for Outpatients with Community Acquired Pneumonia |
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Status |
Standard Regimen |
No comorbidities or risk factors for antibiotic resistance |
Combination therapy with amoxicillin (1 g tid) + either a macrolide or doxycycline (100 mg bid) or Monotherapy with doxycycline (100 mg bid) or Monotherapy with a macrolide |
With comorbidities ± risk factors for antibiotic resistance |
Combination therapy with amoxicillin/clavulanate or a cephalosporin + ether a macrolide or doxycycline (100 mg bid) or Monotherapy with a respiratory fluoroquinolone |
Antibiotic treatment within the past 3 months or contact with the health care system. Azithromycin (500 mg on day 1, then 250 mg/d for 4 days), clarithromycin (500 mg bid), or clarithromycin ER (1000 mg/d). If local prevalence of pneumococcal resistance is < 25%. Including chronic heart, lung, liver, or kidney disease; diabetes mellitus; alcoholism; malignancy, or asplenia. 500/125 mg tid or 875/125 mg bid. Cefpodoxime (200 mg bid) or cefuroxime (500 mg bid). Levofloxacin (750 mg/d), moxifloxacin (400 mg/d) or gemifloxacin (320 mg/d). |
Class |
Name |
Age |
Asthma indication |
Other indications |
Anti-IgE |
Omalizumab (SC) |
≥ 6 years |
Severe allergic asthma |
Nasal polyposis, chronic spontaneous urticaria |
Anti-IL5 Anti-IL5R |
Mepolizumab (SC) Resilizumab (IV) Benralizumab (SC) |
≥ 6 years ≥ 18 years ≥ 12 years |
Severe eosinophilic/ Type 2 asthma |
Mepolizumab; EGPA, CRSwNP, hypereosinophilic syndrome |
Anti-IL4R |
Dupilumab (SC) |
≥ 6 years |
Severe eosinophilic/ Type 2 asthma, or maintenance OCS |
Moderate severe atopic dermatitis, CRSwNP |
Anti-TSLP |
Tezepelumab (SC) |
≥ 12 years |
Severe asthma |
TNM 8th – Primary tumor characteristics |
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Tx T0 Tis |
Tumor is sputum/ bronchial washings but not be assessed in imaging or bronchoscopy No evidence of tumor Carcinoma in situ |
T1 T1a(mi) T1a T1b T1c |
≤ 3 cm surrounded by lung/visceral pleura, not involving main bronchus Minimally invasive carcinoma ≤ 1 cm > 1 to ≤ 2 cm > 2 to ≤ 3 cm |
T2 T2a T2b |
> 3 to ≤ 5 cm or Involvement of main bronchus without carcina, regardless of distance from carina or invasion visceral pleural or atelectasis or post obstructive pneumonitis extending to hilum > 3 to ≤ 4 cm > 4 to ≤ 5 cm |
T3 |
> 5 to ≤ 7 cm in greatest dimension or tumor of any size that involves chest wall, pericardium, phrenic nerve or satellite nodules in the same lobe |
T4 |
> 7 cm in greatest dimension or any tumor with invasion of mediastinum, diaphragm, heart, great vessels, recurrent laryngeal nerve, carina, trachea, oesophagus, spine or separate tumor in different lobe of ipsilateral lung |
N1 2 3 |
Ipsilateral peribronchial and/or hilar nodes and intrapulmonary nodes Ipsilateral mediastinal and/or subcarinal nodes Contralateral mediastinal or hilar; ipsilateral/ contralateral scalene/ supraclavicular |
M1 M1a M1b M1c |
Distant metastasis Tumor in contralateral lung or pleural/pericardial nodule/ malignant effusion Single extrathoracic metastasis, including single non-regional lymphnode Multiple extrathoracic metastasis in one or more organs |
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