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who had HF with preserved ejection fraction &#40;HFpEF&#41; and acute pulmonary edema &#40;APE&#41;&#46;</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0030">Case report</span><p id="par0010" class="elsevierStylePara elsevierViewall">An 80-year-old female patient&#44; with a previous diagnosis of hypertension and HFpEF&#44; was hospitalized with dry cough&#44; progressive dyspnea on exertion&#44; New York Heart Association &#40;NYHA&#41; functional class III&#47;IV&#44; orthopnea and lower limb edema&#46; She also reported moderate atypical chest pain and dysphagia for solids&#46;</p><p id="par0015" class="elsevierStylePara elsevierViewall">On physical examination&#44; blood pressure was 162&#47;82 mmHg&#59; heart rate was 88 bpm and respiratory rate was 27 ipm&#46; Pathological jugular venous distention was present&#46; The patient had a regular heart rhythm&#44; with no murmurs&#59; fine crackles in both lung bases and bilateral lower limb edema &#40;&#43;&#43;&#47;4&#43;&#41;&#46;</p><p id="par0020" class="elsevierStylePara elsevierViewall">Complete right bundle branch block was observed on the electrocardiogram&#46; Chest radiography showed cardiomegaly&#44; mediastinal widening&#44; and left pleural effusion that resolved with medical treatment&#46; &#40;<a class="elsevierStyleCrossRef" href="#fig0005">Figure 1</a>&#41;&#46; Echocardiogram revealed left ventricular ejection fraction of 72&#37;&#44; increased LA&#44; TAA diameter of 7&#46;2 cm&#44; moderate pericardial effusion with no signs of restriction&#44; and left pleural effusion&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><p id="par0025" class="elsevierStylePara elsevierViewall">Twelve hours after admission she progressed with APE&#44; which was controlled with medication&#46; Seventy-two hours later she had atrial fibrillation without hemodynamic impairment&#46; Clinical improvement occurred following drug treatment and she was discharged in NYHA class II&#46;</p><p id="par0030" class="elsevierStylePara elsevierViewall">Echocardiogram one week later showed giant TAA with left atrial compression&#44; diastolic dysfunction and preserved left ventricular ejection fraction&#44; without pericardial or pleural effusion&#46; &#40;<a class="elsevierStyleCrossRef" href="#fig0010">Figure 2</a>&#41;</p><elsevierMultimedia ident="fig0010"></elsevierMultimedia><p id="par0035" class="elsevierStylePara elsevierViewall">Chest angiography was performed and revealed a giant 8&#46;3&#215;7&#46;7-cm TAA&#44; which compressed the right pulmonary artery&#44; the left and right atriums&#44; the right ventricle and the esophagus&#44; without any evidence of dissection &#40;<a class="elsevierStyleCrossRefs" href="#fig0015">Figures 3 and 4</a>&#41;&#46;</p><elsevierMultimedia ident="fig0015"></elsevierMultimedia><elsevierMultimedia ident="fig0020"></elsevierMultimedia><p id="par0040" class="elsevierStylePara elsevierViewall">Her clinical status significantly improved after administration of carvedilol&#44; enalapril and furosemide&#46; Correcting the TAA surgically was proposed&#59; however&#44; the patient and her family opted for conservative treatment&#46;</p></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0035">Discussion</span><p id="par0045" class="elsevierStylePara elsevierViewall">The ascending aorta measures about 5<span class="elsevierStyleHsp" style=""></span>cm in length and is connected to the right with the superior vena cava and right atrium&#59; to the left with the pulmonary artery and posteriorly to the left atrium and the right pulmonary artery&#46;</p><p id="par0050" class="elsevierStylePara elsevierViewall">The compression of surrounding structures&#44; particularly the LA&#44; rarely causes hemodynamic effects&#46;<a class="elsevierStyleCrossRef" href="#bib0045"><span class="elsevierStyleSup">4</span></a> The few reports of HF caused by TAA are mainly associated with aneurysms with dissection&#46;<a class="elsevierStyleCrossRefs" href="#bib0030"><span class="elsevierStyleSup">1&#44;3&#8211;5</span></a> TAA complications are related to the compression of neighboring structures or a dissecting aneurysm&#46; A large ascending aortic aneurysm can compress vessels&#44; leading to hypertension and pulmonary edema&#44; as in this patient&#46;</p><p id="par0055" class="elsevierStylePara elsevierViewall">HFpEF management has limitations related to comorbidities and the lack of strong evidence for specific treatment&#46; It is reasonable to assume that AF triggered the HF decompensation&#46;</p><p id="par0060" class="elsevierStylePara elsevierViewall">In this case&#44; it is important to note that there was no aneurysm dissection&#44; clinical status stabilized and functional class improved with pharmacological treatment&#46; Furthermore&#44; it is worth highlighting that this is an unusual and unexpected cause of HF symptoms&#46;</p><p id="par0065" class="elsevierStylePara elsevierViewall">Aneurysm repair surgery was not performed due to a shared decision between the patient&#44; her family and the physician&#44; prioritizing the patient&#39;s quality of life&#46;</p></span><span id="sec0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0040">Conflicts of interest</span><p id="par0070" class="elsevierStylePara elsevierViewall">The authors have no conflicts of interest to declare&#46;</p></span></span>"
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Vol. 37. Núm. 6.
Páginas 539.e1-539.e2 (junho 2018)
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Vol. 37. Núm. 6.
Páginas 539.e1-539.e2 (junho 2018)
Case report
Open Access
Left atrium and pulmonary artery compression due to aortic aneurysm causing heart failure symptoms
Compressão do átrio esquerdo e artéria pulmonar por um aneurisma da aorta causando sintomas de insuficiência cardíaca
Visitas
9803
Antonio José Lagoeiro Jorge
Autor para correspondência
lagoeiro@globo.com

Corresponding author.
, Wolney de Andrade Martins, Victor M. Moutinho, Juliano M. Rezende, Patricia Y. Alves, Humberto Villacorta, Pedro F. Silveira, Antonio A. Couto
Universidade Federal Fluminense, Niterói, Rio de Janeiro, Brasil
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Abstract

Patients with thoracic aortic aneurysm (TAA) are mostly asymptomatic and TAA is rarely related to heart failure (HF). We report the case of an 80-year-old female patient, with type A TAA without dissection, with right pulmonary artery and left atrium compression, who presented with HF, preserved ejection fraction and acute pulmonary edema.

Keywords:
Thoracic aortic aneurysm
Heart failure
Pulmonary edema
Left atrium
Resumo

Pacientes com aneurisma da aorta torácica (AAT) são geralmente assintomáticos e o AAT é raramente associado à insuficiência cardíaca (IC). Nós relatamos o caso de uma paciente feminina, 80 anos, com um AAT tipo A sem sinais de dissecção, que apresentou compressão do átrio esquerdo e da artéria pulmonar direita e desenvolvimento de IC com fração de ejeção preservada e edema agudo de pulmão.

Palavras-chave:
Aneurisma da aorta torácica
Insuficiência cardíaca
Edema pulmonar
Átrio esquerdo
Texto Completo
Introduction

Patients with thoracic aortic aneurysm (TAA) are mostly asymptomatic and TAA is rarely related to heart failure (HF). TAA may present acutely with rupture or dissection, or chronically, with symptoms related to surrounding structures.1 Extrinsic compression of the left atrium (LA) and the pulmonary vessels is an uncommon cause of hemodynamic compromise and may be secondary to the involvement of mediastinal structures, including TAA. This compression can lead to increased atrial and pulmonary artery pressures and may consequently cause pulmonary hypertension or pulmonary edema.2,3 We report the case of a patient with type A TAA with right pulmonary artery and LA compression, who had HF with preserved ejection fraction (HFpEF) and acute pulmonary edema (APE).

Case report

An 80-year-old female patient, with a previous diagnosis of hypertension and HFpEF, was hospitalized with dry cough, progressive dyspnea on exertion, New York Heart Association (NYHA) functional class III/IV, orthopnea and lower limb edema. She also reported moderate atypical chest pain and dysphagia for solids.

On physical examination, blood pressure was 162/82 mmHg; heart rate was 88 bpm and respiratory rate was 27 ipm. Pathological jugular venous distention was present. The patient had a regular heart rhythm, with no murmurs; fine crackles in both lung bases and bilateral lower limb edema (++/4+).

Complete right bundle branch block was observed on the electrocardiogram. Chest radiography showed cardiomegaly, mediastinal widening, and left pleural effusion that resolved with medical treatment. (Figure 1). Echocardiogram revealed left ventricular ejection fraction of 72%, increased LA, TAA diameter of 7.2 cm, moderate pericardial effusion with no signs of restriction, and left pleural effusion.

Figure 1.

Chest radiography: (A) mediastinal enlargement and left pleural and pericardial effusion; (B) After medical treatment: thoracic aortic aneurysm.

(0.1MB).

Twelve hours after admission she progressed with APE, which was controlled with medication. Seventy-two hours later she had atrial fibrillation without hemodynamic impairment. Clinical improvement occurred following drug treatment and she was discharged in NYHA class II.

Echocardiogram one week later showed giant TAA with left atrial compression, diastolic dysfunction and preserved left ventricular ejection fraction, without pericardial or pleural effusion. (Figure 2)

Figure 2.

Echocardiogram with Doppler

IVS: interventricular septum; LA: left atrium; LV: left ventricle; RV: right ventricle.

(0.16MB).

Chest angiography was performed and revealed a giant 8.3×7.7-cm TAA, which compressed the right pulmonary artery, the left and right atriums, the right ventricle and the esophagus, without any evidence of dissection (Figures 3 and 4).

Figure 3.

Chest computed tomography angiography with contrast.

DAo: descending thoracic aorta; LA: left atrium; PAT: pulmonary artery truncus; TAA: thoracic aortic aneurysm.

(0.13MB).
Figure 4.

Venous computed tomography angiography of the chest.

DAo: descending thoracic aorta; PAT: pulmonary artery truncus; RPA: right pulmonary artery; SVC: superior vena cava; TAA: thoracic aortic aneurysm.

(0.13MB).

Her clinical status significantly improved after administration of carvedilol, enalapril and furosemide. Correcting the TAA surgically was proposed; however, the patient and her family opted for conservative treatment.

Discussion

The ascending aorta measures about 5cm in length and is connected to the right with the superior vena cava and right atrium; to the left with the pulmonary artery and posteriorly to the left atrium and the right pulmonary artery.

The compression of surrounding structures, particularly the LA, rarely causes hemodynamic effects.4 The few reports of HF caused by TAA are mainly associated with aneurysms with dissection.1,3–5 TAA complications are related to the compression of neighboring structures or a dissecting aneurysm. A large ascending aortic aneurysm can compress vessels, leading to hypertension and pulmonary edema, as in this patient.

HFpEF management has limitations related to comorbidities and the lack of strong evidence for specific treatment. It is reasonable to assume that AF triggered the HF decompensation.

In this case, it is important to note that there was no aneurysm dissection, clinical status stabilized and functional class improved with pharmacological treatment. Furthermore, it is worth highlighting that this is an unusual and unexpected cause of HF symptoms.

Aneurysm repair surgery was not performed due to a shared decision between the patient, her family and the physician, prioritizing the patient's quality of life.

Conflicts of interest

The authors have no conflicts of interest to declare.

References
[1]
N.M. Gandhi, M. Greaves, N.H. Brooks.
Rare case of heart failure caused by compression of the left atrium by a thoracic aortic aneurysm.
Heart, 90 (2004), pp. e9
[2]
A. DeLuca, S. Daniels, N. Pathak.
Pulmonary edema due to extreme left atrial compression.
N Engl J Med., 88 (1991), pp. 37-38
[3]
E. Antón, M. Echeverría.
Images in cardiovascular medicine. An uncommon complication of nondissected ascending aortic aneurysm.
Circulation, 112 (2005), pp. e116-e117
[4]
J. Walpot, B. Amsel, W.H. Pasteuning, et al.
Left atrial compression by dissecting aneurysm of the ascending aorta.
J Am Soc Echocardiogr., 10 (2007), pp. 1220
e4-6
[5]
M.K. Celenk, O. Ozeke, M.T. Selcuk, et al.
Left atrial compression by thoracic aneurysm mimicking congestive heart failure.
Echocardiography, 22 (2005), pp. 677-678
Copyright © 2018. Sociedade Portuguesa de Cardiologia
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en pt

Are you a health professional able to prescribe or dispense drugs?

Você é um profissional de saúde habilitado a prescrever ou dispensar medicamentos

Ao assinalar que é «Profissional de Saúde», declara conhecer e aceitar que a responsável pelo tratamento dos dados pessoais dos utilizadores da página de internet da Revista Portuguesa de Cardiologia (RPC), é esta entidade, com sede no Campo Grande, n.º 28, 13.º, 1700-093 Lisboa, com os telefones 217 970 685 e 217 817 630, fax 217 931 095 e com o endereço de correio eletrónico revista@spc.pt. Declaro para todos os fins, que assumo inteira responsabilidade pela veracidade e exatidão da afirmação aqui fornecida.