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CHAPTER 41: Valvular Heart Disease  343



                       as a hemodynamic monitoring tool in the trauma bay. J Trauma
                       Acute Care Surg. 2014;76(1):31-37; discussion 7-8.     • Acute severe aortic and mitral regurgitation (flail segments sec-
                                                                            ondary to trauma, aortic dissection, ruptured papillary muscle) are
                        • Ha JW, Oh JK, Schaff HV, et al. Impact of left ventricular func-  surgical emergencies. Acute severe tricuspid regurgitation is usu-
                       tion on immediate and long-term outcomes after pericardi-  ally better tolerated, but on occasion can lead to cardiogenic shock.
                       ectomy in constrictive pericarditis.  J Thorac Cardiovasc Surg.     • Severe symptomatic aortic stenosis is a surgical disease. Medical
                       2008;136(5):1136.                                    treatment is temporizing or palliative.
                        • Haley JH, Tajik AJ, Danielson GK, Schaff HV, Mulvagh SL, Oh JK.      • Transcatheter aortic valve replacement (TAVR) or aortic balloon
                       Transient constrictive pericarditis: causes and natural history.
                       J Am Coll Cardiol. 2004;43(2):271-275.               valvuloplasty should be considered in patients with severe AS and
                                                                            decompensated heart failure.
                        • Hurrell DG, Nishimura RA, Higano ST, et al. Value of dynamic respi-
                       ratory changes in left and right ventricular pressures for the diagno-    • Hemodynamically significant mitral stenosis should be treated by
                                                                            mechanical intervention on the valve (percutaneous mitral balloon
                       sis of constrictive pericarditis. Circulation. 1996;93:2007-2013.    valvuloplasty or surgery). Medical treatment is temporizing or
                        • Imazio M, Bobbio M, Cecchi E, et al. Colchicine in   addition       palliative.
                      to conventional therapy for acute pericarditis: results of the
                      Colchicine for acute Pericarditis (COPE) trial.  Circulation.     • Valvular regurgitation, perivalvular extension of infection, and
                                                                            systemic embolization are important complications of infective
                      2005;112:2012-2016.                                   endocarditis and should be actively sought on clinical examina-
                        • Imazio M, Bobbio M, Cecchi E, et al. Colchicine as first-choice   tion, ECG, and echocardiography.
                      therapy for recurrent pericarditis: results of the CORE (Colchicine
                      for  REcurrent pericarditis)  Trial.  Arch  Intern Med. 2005;165:     • Prosthetic valve thrombosis presents with thromboembolic events
                                                                            or heart failure due to valve obstruction. Diagnosis is made by
                      1987-1991.                                              echocardiography or fluoroscopy. Treatment depends on loca-
                        • Lotrionte M, Biondi-Zoccai G, Imazio M, et al. International col-  tion (left- vs right-sided valves) and thrombus burden.
                      laborative systematic review of controlled clinical trials on phar-
                      macologic treatments for acute pericarditis and its recurrences.     • Structural failure of a mechanical prosthesis is rare and requires urgent
                                                                            reoperation. Failure of a bioprosthesis is frequent and progressive due
                      Am Heart J. 2010;160(4):662-670.                      to degeneration. Reoperation after stabilization is recommended.
                        • Nicol AJ, Navsaria PH, Hommes M, Ball CG, Edu S, Kahn D.
                      Sternotomy or drainage for a hemopericardium after penetrating
                      trauma: a randomized controlled trial.  Ann Surg. 2014;259(3):
                      438-442.
                        • Sagrista-Sauleda J, Angel J, Sanchez A, Permanyer-Miralda G,   INTRODUCTION
                      Soler-Soler J. Effusive-constrictive pericarditis.  N Engl J Med.
                      2004;350:469-475.                                   Valvular heart disease is one of the most common causes of heart
                                                                          failure. The etiology varies, with degenerative valvular disease being
                        • Talreja DR, Nishimura RA, Oh JK, Holmes DR. Constrictive   predominant in the Western world and rheumatic disease in developing
                      pericarditis in the modern era: novel criteria for diagnosis in the     countries. Patients with critical illness and valvular disease can be sepa-
                      cardiac catheterization laboratory.  J  Am  Coll  Cardiol. 2008;51:   rated in two broad categories: (a) patients in whom acute medical illness
                      315-319.                                            precipitates heart failure on a background of compensated valvular heart
                        • Tsang TS, Freeman WK, Sinak LJ, Seward JB. Echocardiographi-  disease  and  (b)  acute  valvular  lesions  causing  acute  de  novo  cardiac
                      cally guided pericardiocentesis: evolution and state-of- the-art   decompensation. These entities are quite different in presentation, diag-
                      technique. Mayo Clin Proc. 1998;73(7):647.          nosis, and management. Indeed, decompensated heart failure in the first
                                                                          category is a result of increased demand and/or tachycardia (arrhyth-
                                                                          mias, pain, anemia, hypotension, hypoxemia, fever) on a background
                                                                          of reduced cardiac reserve due to valvular disease; prompt treatment of
                    REFERENCES                                            the primary cause together with appropriate cardiac and vascular sup-
                                                                          port is the cornerstone of management. In the second category, it is the
                    Complete references available online at www.mhprofessional.com/hall  acute valvular disease itself causing cardiovascular compromise. Medical
                                                                          management is usually only temporizing; many of these patients repre-
                                                                          sent true surgical emergencies.
                                                                           Physical examination is the first step in the diagnosis of any cardiac
                     CHAPTER    Valvular Heart Disease                    disease. This remains true in patients with acute illnesses and coexist-
                                                                          ing significant valvular disease. Indeed, all patients with critical illness
                      41        Sorin V. Pislaru                          should have a detailed examination of the cardiovascular system to
                                                                          ascertain the presence of valvular lesions. Presence of murmurs, gallops,
                                Maurice Enriquez-Sarano
                                                                          and/or signs of vascular congestion are important clues to concurrent
                                                                          valvular conditions. It is important to remember that patients with
                                                                          acute severe valvular disease rarely have significant cardiac findings,
                                                                          with substantial discrepancy between quasi-silent cardiac examination
                     KEY POINTS                                           and symptoms of extreme dyspnea (reflecting acute pulmonary edema),
                                                                          profound  hypotension  (cardiogenic  shock),  and  angina  (coronary
                       • Heart failure in patients with chronic valvular heart disease is usu-    hypoperfusion).
                      ally precipitated by concurrent illness, progressive deterioration of   The key diagnostic modality in patients with critical illness and valvu-
                      cardiac function, or worsening valvular disease.    lar disease is echocardiography. The unique advantages of this imaging
                       • Acute onset of severe valvular regurgitation is uncommon. Clinical   modality (available at bedside, immediate interpretation, comprehensive
                      and echocardiographic diagnosis is challenging.     assessment of valvular lesions, and ventricular function) render echocar-
                                                                          diography irreplaceable in modern ICU care. Due to its versatility and








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