E-ISSN 0976-2833 | ISSN 0975-3583
 

Research Article 


Right Ventricular Outflow Doppler Envelope: Insight into Pulmonary Artery Disease Severity in Two Cardiac Centers in Baghdad

Ghazi Farhan Haji, Mohammed Khalid Abdulkareem, Hussein J. Lazim.

Abstract
Background: Pulmonary artery hypertension is described as a group of diseases characterized by a progressive increase in pulmonary vascular load resulting in a marked increase in pulmonary artery pressure (PAP). While the reference approach and "gold standard" for quantifying pulmonary artery, pressure is direct pressure measurement with proper cardiac catheterization. Additionally, echocardiography provides the advantage of non-invasively and precision and is widely used to measure systolic pulmonary artery strain.

Objective: Determine the importance of precise Doppler ventricular outflow signals to determine the extent of pulmonary hypertension.

Patients and Methods: From September 2018 to August 2019 we have conducted a cross-sectional descriptive study of 127 patients with a Tricuspid regurgitation pressure gradient greater than 33 mmhg, all of which is right-hand-ventricular, Doppler, which has been performed in hospital and Iraqi cardiovasculatory centre. Patients involved have been confirmed by electrocardiography (ECG) in normal sinus rhythm.

Results: Of the 127 patients, RVOT Spectral Doppler signals were calculated and showed 4 complex patterns; PASP was significantly associated with these different forms of RVOT Doppler Spectral Signals. Both TR pressure gradients (PG) and PASP increased significantly from group I to IV with a p value of approximately 0.05, mean pulmonary PASP was 32.92 in pattern I, 56.07 in pattern II, 73.65 in pattern III and 113.45 in pattern IV, mean TR PG was 27.57 in pattern I, 47.28 in pattern II, 64.32 in pattern III and 102.27 in pattern IV. Alternatively, the integral time of right ventricular outflow (VTI) Acceleration Time (ACT), 'pulmonary vascular resistance' (PVR) showed a significant correlation with the four right ventricular outflow patterns of Doppler with a p-value of 0.05.

Conclusion: These basic measures of the right ventricular outflow Doppler profile can also be used to evaluate patients with pulmonary artery hypertension.

Key words: Transthoracic Echocardiography, Right Ventricle Outflow Envelop, Pulmonary Artery Hypertension, Acceleration Time.


 
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How to Cite this Article
Pubmed Style

Ghazi Farhan Haji, Mohammed Khalid Abdulkareem, Hussein J. Lazim. Right Ventricular Outflow Doppler Envelope: Insight into Pulmonary Artery Disease Severity in Two Cardiac Centers in Baghdad. doi:10.31838/jcdr.2020.11.04.32


Web Style

Ghazi Farhan Haji, Mohammed Khalid Abdulkareem, Hussein J. Lazim. Right Ventricular Outflow Doppler Envelope: Insight into Pulmonary Artery Disease Severity in Two Cardiac Centers in Baghdad. http://www.jcdronline.org//?mno=17721 [Access: October 21, 2020]. doi:10.31838/jcdr.2020.11.04.32


AMA (American Medical Association) Style

Ghazi Farhan Haji, Mohammed Khalid Abdulkareem, Hussein J. Lazim. Right Ventricular Outflow Doppler Envelope: Insight into Pulmonary Artery Disease Severity in Two Cardiac Centers in Baghdad. doi:10.31838/jcdr.2020.11.04.32



Vancouver/ICMJE Style

Ghazi Farhan Haji, Mohammed Khalid Abdulkareem, Hussein J. Lazim. Right Ventricular Outflow Doppler Envelope: Insight into Pulmonary Artery Disease Severity in Two Cardiac Centers in Baghdad. doi:10.31838/jcdr.2020.11.04.32



Harvard Style

Ghazi Farhan Haji, Mohammed Khalid Abdulkareem, Hussein J. Lazim (2020) Right Ventricular Outflow Doppler Envelope: Insight into Pulmonary Artery Disease Severity in Two Cardiac Centers in Baghdad. doi:10.31838/jcdr.2020.11.04.32



Turabian Style

Ghazi Farhan Haji, Mohammed Khalid Abdulkareem, Hussein J. Lazim. 2020. Right Ventricular Outflow Doppler Envelope: Insight into Pulmonary Artery Disease Severity in Two Cardiac Centers in Baghdad. doi:10.31838/jcdr.2020.11.04.32



Chicago Style

Ghazi Farhan Haji, Mohammed Khalid Abdulkareem, Hussein J. Lazim. "Right Ventricular Outflow Doppler Envelope: Insight into Pulmonary Artery Disease Severity in Two Cardiac Centers in Baghdad." doi:10.31838/jcdr.2020.11.04.32



MLA (The Modern Language Association) Style

Ghazi Farhan Haji, Mohammed Khalid Abdulkareem, Hussein J. Lazim. "Right Ventricular Outflow Doppler Envelope: Insight into Pulmonary Artery Disease Severity in Two Cardiac Centers in Baghdad." doi:10.31838/jcdr.2020.11.04.32



APA (American Psychological Association) Style

Ghazi Farhan Haji, Mohammed Khalid Abdulkareem, Hussein J. Lazim (2020) Right Ventricular Outflow Doppler Envelope: Insight into Pulmonary Artery Disease Severity in Two Cardiac Centers in Baghdad. doi:10.31838/jcdr.2020.11.04.32





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