Guidelines summarize and evaluate available evidence with the aim of assisting health professionals in proposing the best management strategies for an individual patient with a given condition. Guidelines and their recommendations should facilitate decision making of health professionals in their daily practice. However, the final decisions concerning an individual patient must be made by the responsible health professional(s) in consultation with the patient and caregiver as appropriate.

/pdf/2019-esc-guidelines-for-the-diagnosis-and-management-of-4aacwvv1mo.pdf

2019 ESC Guidelines for the diagnosis and management of acute pulmonary embolism developed in collaboration with the European respiratory society (ERS)

New @ESCardio Guidelines for the Diagnosis and Management of Acute #PulmonaryEmbolism developed in collaboration with @EuroRespSoc now available: #cardiotwitter @erspublicationshttp://bit.ly/2HnrJaj

https://erj.ersjournals.com/content/erj/early/2019/08/29/13993003.01647-2019.full.pdf

2019 ESC Guidelines for the diagnosis and management of acute pulmonary embolism developed in collaboration with the European Respiratory Society (ERS) : The Task Force for the diagnosis and management of acute pulmonary embolism of the European Society of Cardiology (ESC)

ACS
: acute coronary syndrome
AMPLIFY
: Apixaban for the Initial Management of Pulmonary Embolism and Deep-Vein Thrombosis as First-line Therapy
aPTT
: activated partial thromboplastin time
b.i.d.
: bis in diem (twice daily)
b.p.m.
: beats per minute
BNP
: brain natriuretic peptide
BP
: blood pressure
CI
: confidence interval
CO
: cardiac output
COPD
: chronic obstructive pulmonary disease
CPG
: Committee for Practice Guidelines
CRNM
: clinically relevant non-major
CT
: computed tomographic/tomogram
CTEPH
: chronic thromboembolic pulmonary hypertension
CUS
: compression venous ultrasonography
DSA
: digital subtraction angiography
DVT
: deep vein thrombosis
ELISA
: enzyme-linked immunosorbent assay
ESC
: European Society of Cardiology
H-FABP
: heart-type fatty acid-binding protein
HIT
: heparin-induced thrombocytopenia
HR
: hazard ratio
ICOPER
: International Cooperative Pulmonary Embolism Registry
ICRP
: International Commission on Radiological Protection
INR
: international normalized ratio
iPAH
: idiopathic pulmonary arterial hypertension
IVC
: inferior vena cava
LMWH
: low molecular weight heparin
LV
: left ventricle/left ventricular
MDCT
: multi-detector computed tomographic (angiography)
MRA
: magnetic resonance angiography
NGAL
: neutrophil gelatinase-associated lipocalin
NOAC(s)
: Non-vitamin K-dependent new oral anticoagulant(s)
NT-proBNP
: N-terminal pro-brain natriuretic peptide
o.d.
: omni die (every day)
OR
: odds ratio
PAH
: pulmonary arterial hypertension
PE
: pulmonary embolism
PEA
: pulmonary endarterectomy
PEITHO
: Pulmonary EmbolIsm THrOmbolysis trial
PESI
: pulmonary embolism severity index
PH
: pulmonary hypertension
PIOPED
: Prospective Investigation On Pulmonary Embolism Diagnosis
PVR
: pulmonary vascular resistance
RIETE
: Registro Informatizado de la Enfermedad Thromboembolica venosa
RR
: relative risk
rtPA
: recombinant tissue plasminogen activator
RV
: right ventricle/ventricular
SPECT
: single photon emission computed tomography
sPESI
: simplified pulmonary embolism severity index
TAPSE
: tricuspid annulus plane systolic excursion
Tc
: technetium
TOE
: transoesophageal echocardiography
TTR
: time in therapeutic range
TV
: tricuspid valve
UFH
: unfractionated heparin
V/Q scan
: ventilation–perfusion scintigraphy
VKA
: vitamin K antagonist(s)
VTE
: venous thromboembolism

Guidelines summarize and evaluate all available evidence at the time of the writing process, on a particular issue with the aim of assisting health professionals in selecting the best management strategies for an individual patient, with a given condition, taking into account the impact on outcome, as well as the risk-benefit-ratio of particular diagnostic or therapeutic means. Guidelines and recommendations should help the health professionals to make decisions in their daily practice. However, the final decisions concerning an individual patient must be made by the responsible health professional(s) in consultation with the patient and caregiver as appropriate.

A great number of Guidelines have …

/pdf/2014-esc-guidelines-on-the-diagnosis-and-management-of-acute-1f9ulv0b8w.pdf

2014 ESC Guidelines on the diagnosis and management of acute pulmonary embolism

A revised diagnostic algorithm provides guidelines for the diagnosis of patients with suspected pulmonary hypertension, both prior to and following referral to expert centres, and includes recommendations for expedited referral of high-risk or complicated patients and patients with confounding comorbidities. New recommendations for screening high-risk groups are given, and current diagnostic tools and emerging diagnostic technologies are reviewed.

https://erj.ersjournals.com/content/erj/53/1/1801904.full.pdf

Diagnosis of pulmonary hypertension

Chronic thromboembolic pulmonary hypertension (CTEPH) is a rare complication of acute pulmonary embolism, either symptomatic or not. The occlusion of proximal pulmonary arteries by fibrotic intravascular material, in combination with a secondary microvasculopathy of vessels less than 500 µm, leads to increased pulmonary vascular resistance and progressive right heart failure. The mechanism responsible for the transformation of red clots into fibrotic material remnants has not yet been elucidated. In patients with pulmonary hypertension, the diagnosis is suspected when a ventilation/perfusion lung scan shows mismatched perfusion defects and confirmed by right heart catheterisation and vascular imaging. Today, in addition to lifelong anticoagulation, treatment modalities include surgery, angioplasty and medical treatment according to the localisation and characteristics of the lesions. This Statement outlines a review of the literature and current practice concerning diagnosis and management of CTEPH. It covers the definitions, diagnosis, epidemiology, follow up after acute pulmonary embolism, pathophysiology, treatment by pulmonary endarterectomy, balloon pulmonary angioplasty, drugs and their combination, rehabilitation and new lines of research in CTEPH. It represents the first collaboration of the European Respiratory Society (ERS), the International CTEPH Association (ICA) and the European Reference Network (ERN)-Lung in the pulmonary hypertension domain. The Statement summarises current knowledge but does not make formal recommendations for clinical practice.

https://erj.ersjournals.com/content/erj/57/6/2002828.full.pdf

ERS statement on chronic thromboembolic pulmonary hypertension

Pulmonary embolism (PE) can only be diagnosed with imaging techniques, which in practice is performed using ventilation/perfusion scintigraphy (V/P(SCAN)) or multidetector computed tomography of the pulmonary arteries (MDCT). The epidemiology, natural history, pathophysiology and clinical presentation of PE are briefly reviewed. The primary objective of Part 1 of the Task Group's report was to develop a methodological approach to and interpretation criteria for PE. The basic principle for the diagnosis of PE based upon V/P(SCAN) is to recognize lung segments or subsegments without perfusion but preserved ventilation, i.e. mismatch. Ventilation studies are in general performed after inhalation of Krypton or technetium-labelled aerosol of diethylene triamine pentaacetic acid (DTPA) or Technegas. Perfusion studies are performed after intravenous injection of macroaggregated human albumin. Radiation exposure using documented isotope doses is 1.2-2 mSv. Planar and tomographic techniques (V/P(PLANAR) and V/P(SPECT)) are analysed. V/P(SPECT) has higher sensitivity and specificity than V/P(PLANAR). The interpretation of either V/P(PLANAR) or V/P(SPECT) should follow holistic principles rather than obsolete probabilistic rules. PE should be reported when mismatch of more than one subsegment is found. For the diagnosis of chronic PE, V/P(SCAN) is of value. The additional diagnostic yield from V/P(SCAN) includes chronic obstructive lung disease (COPD), heart failure and pneumonia. Pitfalls in V/P(SCAN) interpretation are considered. V/P(SPECT) is strongly preferred to V/P(PLANAR) as the former permits the accurate diagnosis of PE even in the presence of comorbid diseases such as COPD and pneumonia. Technegas is preferred to DTPA in patients with COPD.

/pdf/eanm-guidelines-for-ventilation-perfusion-scintigraphy-part-34blj2pcct.pdf

EANM guidelines for ventilation/perfusion scintigraphy : Part 1. Pulmonary imaging with ventilation/perfusion single photon emission tomography.

As emphasized in Part 1 of these guidelines, the diagnosis of pulmonary embolism (PE) is confirmed or refuted using ventilation/perfusion scintigraphy (V/P(SCAN)) or multidetector computed tomography of the pulmonary arteries (MDCT). To reduce the costs, the risks associated with false-negative and false-positive diagnoses, and unnecessary radiation exposure, preimaging assessment of clinical probability is recommended. Diagnostic accuracy is approximately equal for MDCT and planar V/P(SCAN) and better for tomography (V/P(SPECT)). V/P(SPECT) is feasible in about 99% of patients, while MDCT is often contraindicated. As MDCT is more readily available, access to both techniques is vital for the diagnosis of PE. V/P(SPECT) gives an effective radiation dose of 1.2-2 mSv. For V/P(SPECT), the effective dose is about 35-40% and the absorbed dose to the female breast 4% of the dose from MDCT performed with a dose-saving protocol. V/P(SPECT) is recommended as a first-line procedure in patients with suspected PE. It is particularly favoured in young patients, especially females, during pregnancy, and for follow-up and research.

/pdf/eanm-guidelines-for-ventilation-perfusion-scintigraphy-part-3fe4yfylp2.pdf

EANM guidelines for ventilation/perfusion scintigraphy : Part 2. Algorithms and clinical considerations for diagnosis of pulmonary emboli with V/P(SPECT) and MDCT.

Technetium-99m hexamethylpropylene amine oxime (99mTc-HMPAO) white cell scintigraphy is invaluable for assessing the presence and extent of disease activity in patients with inflammatory bowel disease. Interpretation of images can be compromised by physiological excretion of tracer into the bowel via the biliary tree. This study assesses the effect of intravenous pethidine administered with the labelled white cells in an attempt to reduce the enterohepatic circulation of the tracer. Ninety-one subjects with proven or suspected inflammatory bowel disease were included in this study, all of whom underwent 99mTc-HMPAO white cell scintigraphy. The control group of 50 subjects underwent the standard protocol for this study performed in our department. The other 41 subjects received an intravenous injection of 0.3 mg/kg of pethidine at the same time as re-injection of the labelled white cells. Images were graded using a five-point scale at both 1 and 2.5 h and categorised as positive, negative or non-diagnostic. Each scan was also assessed for the presence of a visible gall-bladder. The pethidine group had significantly fewer non-diagnostic scans than the control group (P=0.003), and significantly (P=0.001) more studies in which the gall-bladder was visualised. It is concluded that the use of pethidine appears to reduce biliary excretion of tracer during 99mTc-HMPAO white cell scintigraphy. This may allow the delayed images, and early images with low-grade tracer uptake in the bowel, to be interpreted with greater confidence and thereby reduce the number of scans classified as non-diagnostic.

Pethidine-augmented white cell scintigraphy in inflammatory bowel disease

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EANM guidelines for ventilation/perfusion scintigraphy : Part 1. Pulmonary imaging with ventilation/perfusion single photon emission tomography.

EANM guidelines for ventilation/perfusion scintigraphy : Part 2. Algorithms and clinical considerations for diagnosis of pulmonary emboli with V/P(SPECT) and MDCT.

Pethidine-augmented white cell scintigraphy in inflammatory bowel disease