Pulmonary Vascular Disease Flashcards
genetics of IPAH (primary pulmonary HTN)
long arm chromosome 2 2q31-32
BMPR2 gene stop codon exon mutations
AD with low penetrance
system pathologies, wegeners
systemic vasculitis > granulomatous inflammation
upper respiratory (then lower)
Kidney
symptoms Wegener’s
nasal sinus otitis
cough, hemoptysis
constitutional (joints, fever)
best non-invasive diagnositc for PH
echocardiogram
group I pulmonary artery htn =
precapilary
(idiopathic_
ANCA associated vasculitis =
wegner’s
associated with APAH
Collagen vascular disease (Scleroderma, SLE, RA)
congenital heart disease
portal HTN
HIV
Drugs
samples from ____ show more apparent hemosiderian macrophages, blood (if present)
deep in lung
demographics wegener’s
50yo male > female
antibasement membrane antibody disease =
goodpastures
poor prognosis in PH at (pressure levels)
RA pressure >10mmHg
CI < 2.2L/min2
pathways implicated in PAH pathogensis
increased endothelian
decreased NO pathway
decreased Prostacyclin pathway
group IV pul HTN =
chronic thrombotic, embolic diseases
(obstruction of proximal, distal arteries)
classic triad alveolar, capillary hemorrhage syndromes
hemoptysis
pulmonary infiltrates
enemia
Venous thromboembolism risk factors
virchows triad: stasis, injury, hypercoaguabilty
Thrombophilias (Prot C, S, ATIII, Factor V Leiden, prothrombin mutation, MTHFR, Factor VIII
**Medical risks: **hip/knee surgery, CHF, obesity, Malignancy, acquired hypercoag (CA)
symptoms pulmonary embolism
dypsnea
dizziness, syncope
pleuritic chest pain
palpitations
tachycardia
hemotyisis
group I PAH definition (defining measures)
mean pulmonary arterial pressure (mPAP) >25mmHg at rest with normal wedge rpressure
regions of pulmonary involvement, wegener’s granulomatosis
Capillaritis, Alveolar Hemorrhage
nodules
cavitary lesions
large airways
interstitial lung disease
diagnosis alveolar capillary hemorrhage syndromes
sputum, tacheal aspirate
urine (other organ inmpact)
serial Hgb - -2.0g in 24 hours
serial CXR
**serologies **(ABMab, ANCA, ANA)
Broncheolar lavage/open lung biopsy
pulmonary vasculitis pulmonary presentation
pulmonary+alveolar hemorrhage
lung infiltrates (nodular, cavitary lesions, associated ILD, bilateral diffuse)
pul HTN
life threatening complications in Aveolar capillary hemorrhage syndromes
resp failure
acute renal failure
severe anemia
most imporant factor in Pul HTN prognosis
worst class?
level of physical activity (functionall assessment)
class IVis worst
hissto wegener’s
preivascualr necrotizing granuloamtous inflammation
lung Necrosis, Cavitation, Hemorrhage
incompressible vein implies
clot proximal to area
morphology Group I pulmonary arterial Htn
large pul artery thickening
medial wall smooth muscle hypertrophy
plexiform lesion in small vessels (specific to group 1)
most common cause of PH
left heart disease
“keyhole” to APAH
BMPR2 mutations