Pulmonic regurgitation natural history, complications and prognosis

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Pulmonic regurgitation Microchapters

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Patient Information

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differential diagnosis

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

History and Symptoms

Physical Examination

Electrocardiogram

Chest X-Ray

Echocardiography

Cardiac MRI

Severity Assessment

Treatment

Medical Therapy

Surgical therapy

Follow up

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1],Associate Editor(s)-in-Chief: , Aravind Kuchkuntla, M.B.B.S[2], Aysha Anwar, M.B.B.S[3]

Overview

Majority of patients with mild pulmonary regurgitation (PR) are asymptomatic and have a benign course, not progressing to chronic PR. Patients tolerate severe chronic PR for a long period of time and begin to develop symptoms when the right ventricle function begins to decline. Chronic severe PR leads to progressive dilation and systolic dysfunction of the right ventricle resulting in symptoms.[1] Complications which may result from pulmonary regurgitation include progressive right ventricular dilatation, heart failure, tricuspid regurgitation, ventricular arrythmias, and sudden cardiac death. Symptomatic patients are treated with pulmonary valve replacement and have a good prognosis.[2]

Natural History, Complications, and Prognosis

Natural history

  • Mild PR is a very common finding on 2D echo.[1]
  • Majority of patients with mild PR are asymptomatic and have a benign course, not progressing to chronic PR.
  • Patients tolerate severe chronic PR for a long period of time and begin to develop symptoms when the right ventricular function begins to decline.
  • The severity of PR after TOF repair can increase over time. The data is supported by experimental[3][4] and clinical[5] evidence.
  • Chronic severe PR leads to progressive dilation and systolic dysfunction of the right ventricle resulting in symptoms.
  • Patients with acute worsening of PR should be evaluated for associated conditions such as pulmonary hypertension which increase the pressure gradient.

Complications

Prognosis

References

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  2. 2.0 2.1 Lee C, Kim YM, Lee CH, Kwak JG, Park CS, Song JY; et al. (2012). "Outcomes of pulmonary valve replacement in 170 patients with chronic pulmonary regurgitation after relief of right ventricular outflow tract obstruction: implications for optimal timing of pulmonary valve replacement". J Am Coll Cardiol. 60 (11): 1005–14. doi:10.1016/j.jacc.2012.03.077. PMID 22921969.
  3. Kuehne T, Saeed M, Reddy G, Akbari H, Gleason K, Turner D, Teitel D, Moore P, Higgins CB (November 2001). "Sequential magnetic resonance monitoring of pulmonary flow with endovascular stents placed across the pulmonary valve in growing Swine". Circulation. 104 (19): 2363–8. doi:10.1161/hc4401.098472. PMID 11696479.
  4. Kuehne T, Saeed M, Gleason K, Turner D, Teitel D, Higgins CB, Moore P (October 2003). "Effects of pulmonary insufficiency on biventricular function in the developing heart of growing swine". Circulation. 108 (16): 2007–13. doi:10.1161/01.CIR.0000092887.84425.09. PMID 14557371.
  5. Siwek LG, Applebaum RE, Jones M, Clark RE (September 1985). "Acute control of pulmonary regurgitation with a balloon "valve". An experimental investigation". J. Thorac. Cardiovasc. Surg. 90 (3): 404–9. PMID 4033177.
  6. Gregg D, Foster E (2007). "Pulmonary insufficiency is the nexus of late complications in tetralogy of Fallot". Curr Cardiol Rep. 9 (4): 315–22. PMID 17601398.
  7. Helbing WA, Roest AA, Niezen RA, Vliegen HW, Hazekamp MG, Ottenkamp J; et al. (2002). "ECG predictors of ventricular arrhythmias and biventricular size and wall mass in tetralogy of Fallot with pulmonary regurgitation". Heart. 88 (5): 515–9. PMC 1767425. PMID 12381647.
  8. Frigiola A, Redington AN, Cullen S, Vogel M (2004). "Pulmonary regurgitation is an important determinant of right ventricular contractile dysfunction in patients with surgically repaired tetralogy of Fallot". Circulation. 110 (11 Suppl 1): II153–7. doi:10.1161/01.CIR.0000138397.60956.c2. PMID 15364855.
  9. Khairy P, Aboulhosn J, Gurvitz MZ, Opotowsky AR, Mongeon FP, Kay J; et al. (2010). "Arrhythmia burden in adults with surgically repaired tetralogy of Fallot: a multi-institutional study". Circulation. 122 (9): 868–75. doi:10.1161/CIRCULATIONAHA.109.928481. PMID 20713900.
  10. Gatzoulis MA, Balaji S, Webber SA, Siu SC, Hokanson JS, Poile C, Rosenthal M, Nakazawa M, Moller JH, Gillette PC, Webb GD, Redington AN (September 2000). "Risk factors for arrhythmia and sudden cardiac death late after repair of tetralogy of Fallot: a multicentre study". Lancet. 356 (9234): 975–81. doi:10.1016/S0140-6736(00)02714-8. PMID 11041398.
  11. Bouzas, Beatriz; Kilner, Philip J.; Gatzoulis, Michael A. (2005). "Pulmonary regurgitation: not a benign lesion". European Heart Journal. 26 (5): 433–439. doi:10.1093/eurheartj/ehi091. ISSN 0195-668X.
  12. 12.0 12.1 Pendela VS, Ayyad R. PMID 31985929. Missing or empty |title= (help)
  13. Frigiola, A.; Giardini, A.; Taylor, A.; Tsang, V.; Derrick, G.; Khambadkone, S.; Walker, F.; Cullen, S.; Bonhoeffer, P.; Marek, J. (2012). "Echocardiographic assessment of diastolic biventricular properties in patients operated for severe pulmonary regurgitation and association with exercise capacity". European Heart Journal - Cardiovascular Imaging. 13 (8): 697–702. doi:10.1093/ehjci/jes002. ISSN 2047-2404.
  14. 14.0 14.1 Lee, Cheul; Kim, Yang Min; Lee, Chang-Ha; Kwak, Jae Gun; Park, Chun Soo; Song, Jin Young; Shim, Woo-Sup; Choi, Eun Young; Lee, Sang Yun; Baek, Jae Suk (2012). "Outcomes of Pulmonary Valve Replacement in 170 Patients With Chronic Pulmonary Regurgitation After Relief of Right Ventricular Outflow Tract Obstruction". Journal of the American College of Cardiology. 60 (11): 1005–1014. doi:10.1016/j.jacc.2012.03.077. ISSN 0735-1097.
  15. Grewal DS, Chamoli SC, Saxena S (April 2014). "Absent pulmonary valve syndrome - Antenatal diagnosis". Med J Armed Forces India. 70 (2): 198–200. doi:10.1016/j.mjafi.2013.07.002. PMC 4017172. PMID 24843213.