Pulmonary hypertension MRI: Difference between revisions

	Pulmonary Hypertension Microchapters
Home
Patient Information
Overview
Historical Perspective
Classification
Pathophysiology
Causes
Differentiating Pulmonary hypertension from other Diseases
Epidemiology & Demographics
Risk Factors
Screening
Natural History, Complications and Prognosis
Diagnosis
Diagnostic Study of Choice
History & Symptoms
Physical Examination
Laboratory Findings
Electrocardiogram
Chest X Ray
CT
MRI
Echocardiography or Ultrasound
Other Diagnostic Studies
Treatment
Medical Therapy
Surgery
Primary Prevention
Secondary Prevention
Cost-Effectiveness of Therapy
Future or Investigational Therapies
Case Studies
Case #1
Pulmonary hypertension MRI On the Web
Most recent articles
Most cited articles
Review articles
CME Programs
Powerpoint slides
Google Images
American Roentgen Ray Society Images of Pulmonary hypertension MRI All Images X-rays Echo & Ultrasound CT Images MRI
Ongoing Trials at Clinical Trials.gov
US National Guidelines Clearinghouse
NICE Guidance
FDA on Pulmonary hypertension MRI
CDC on Pulmonary hypertension MRI
Pulmonary hypertension MRI in the news
Blogs on Pulmonary hypertension MRI
Directions to Hospitals Treating Pulmonary hypertension
Risk calculators and risk factors for Pulmonary hypertension MRI

← Older edit Newer edit →

VisualWikitext

Revision as of 14:20, 14 October 2012

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1], Richard Channick, M.D.; Assistant Editor(s)-in-Chief: Ralph Matar

Overview

Cardiac MRI is performed in some patients. MRI provides important prognostic indicators regarding the function of right ventricle in patients with pulmonary hypertension.

MRI

Role of MRI

Accurately evaluation of the size, morphology and function of the right ventricle.

MRI has similar abilities to those of echocardiography in the diagnosis and treatment of patients with pulmonary hypertension.

Detection of shunts contributing to pulmonary hypertension.

Detection of acute and chronic pulmonary thromboembolic disease.

Differentiation between the pulmonary vasculature and mediastinal adenopathy when used with contrast enhancement.

Follow-up for right heart hemodynamics.

- Poor right ventricular function is indicated by the following according to the ACCF/AHA 2009 Expert consensus document on pulmonary hypertension:
  - Stroke volume ≤25ml/m^2.
  - Right ventricular end-diastolic volume ≥84ml/m^2( Most appropriate marker of right ventricular failure in the follow-up.)
  - Left ventricvular end-diastolic volume ≤40ml/m^2

MRI has similar abilities to those of echocardiography in the diagnosis and treatment of patients with pulmonary hypertension.

Pulmonary artery stiffness measured by relative cross sectional area change ≤16% also has implications on mortality rate.

MRI Limitations include

Inability to perform breath hold.

Claustrophobia.

Incompatible hardware such as neurostimulators, cochlear implants, aneurysm clips, cardiac pacemakers and defibrillators.

Limited availability and cost.

Difficulty in assessing PA pressures.

References

Template:WikiDoc Sources

@@ Line 3: / Line 3: @@
 {{CMG}}, Richard Channick, M.D.; '''Assistant Editor(s)-in-Chief:''' [[User:Ralph Matar|Ralph Matar]]
 ==Overview==
+Cardiac MRI is performed in some patients. MRI provides important prognostic indicators regarding the function of right ventricle in patients with pulmonary hypertension.
 ==MRI==
+===Role of MRI===
-Due to the important prognostic indicators of the function of the right ventricle in patients with PAH. Cardiac MR is performed in some patients to:
+*Accurately evaluation of the size, morphology and function of the right ventricle.
--Accurately evaluate the size, morphology and function of the right ventricle.
 MRI has similar abilities to those of [[echocardiography]] in the diagnosis and treatment of patients with pulmonary hypertension.
--Detect shunts contributing to pulmonary hypertension.
+*Detection of shunts contributing to pulmonary hypertension.
--Detect acute and chronic pulmonary thromboembolic disease.
+*Detection of acute and chronic pulmonary thromboembolic disease.
--Distinguish between the pulmonary vasculature and [[mediastinal]] [[adenopathy]] when used with contrast enhancement.
+*Differentiation between the pulmonary vasculature and [[mediastinal]] [[adenopathy]] when used with contrast enhancement.
--Also used for follow-up of right heart [[hemodynamics]] for follow-up purposes.
+*Follow-up for right heart [[hemodynamics]].
-Poor right ventricular function is indicated by the following according to the ACCF/AHA 2009 Expert consensus document on pulmonary hypertension:
+**Poor right ventricular function is indicated by the following according to the ACCF/AHA 2009 Expert consensus document on pulmonary hypertension:
-# '''[[Stroke volume]]''' ≤25ml/m^2.
+*** '''[[Stroke volume]]''' ≤25ml/m^2.
-# '''Right ventricular [[end-diastolic volume]]''' ≥84ml/m^2( Most appropriate marker of right ventricular failure in the follow-up.)
+***'''Right ventricular [[end-diastolic volume]]''' ≥84ml/m^2( Most appropriate marker of right ventricular failure in the follow-up.)
-# '''Left ventricvular [[end-diastolic volume]]''' ≤40ml/m^2
+***'''Left ventricvular [[end-diastolic volume]]''' ≤40ml/m^2
 *MRI has similar abilities to those of echocardiography in the diagnosis and treatment of patients with pulmonary hypertension.
@@ Line 28: / Line 27: @@
 ===MRI Limitations include===
--Inability to perform breath hold.
+*Inability to perform breath hold.
--[[Claustrophobia]].
+*[[Claustrophobia]].
--Incompatible hardware such as neurostimulators, [[cochlear implant]]s, aneurysm clips, cardiac pacemakers and [[defibrillator]]s.
+*Incompatible hardware such as neurostimulators, [[cochlear implant]]s, aneurysm clips, cardiac pacemakers and [[defibrillator]]s.
-- Limited availability and cost.
+*Limited availability and cost.
-- Difficulty in assessing PA pressures.
+*Difficulty in assessing PA pressures.
 ==References==