1
|
Yang J, Madani MM, Mahmud E, Kim NH. Evaluation and Management of Chronic Thromboembolic Pulmonary Hypertension. Chest 2023; 164:490-502. [PMID: 36990148 PMCID: PMC10410247 DOI: 10.1016/j.chest.2023.03.029] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 03/11/2023] [Accepted: 03/21/2023] [Indexed: 03/30/2023] Open
Abstract
Chronic thromboembolic pulmonary hypertension (CTEPH) is a treatable form of pulmonary hypertension and right heart failure. CTEPH (group 4 pulmonary hypertension) is caused by persistent organized thromboembolic obstruction of the pulmonary arteries from incompletely resolved acute pulmonary embolism. CTEPH also may present without prior VTE history, which can contribute to its underrecognition. The true incidence of CTEPH is unclear, but is estimated to be approximately 3% after acute pulmonary embolism. V˙/Q˙ scintigraphy is the best screening test for CTEPH, with CT scan imaging and other advanced imaging methods now playing a larger role in disease detection and confirmation. Perfusion defects on V˙/Q˙ scintigraphy in the setting of pulmonary hypertension are suggestive of CTEPH, but pulmonary angiography and right heart catheterization are required for confirmation and treatment planning. CTEPH potentially is curative with pulmonary thromboendarterectomy surgery, with mortality rates of approximately 2% at expert centers. Advances in operative techniques are allowing more distal endarterectomies to be performed successfully with favorable outcomes. However, more than one-third of patients may be considered inoperable. Although these patients previously had minimal therapeutic options, effective treatments now are available with pharmacotherapy and balloon pulmonary angioplasty. Diagnosis of CTEPH should be considered in all patients with suspicion of pulmonary hypertension. Treatments for CTEPH have advanced with improvements in outcomes for both operable and inoperable patients. Therapy should be tailored based on multidisciplinary team evaluation to ensure optimal treatment response.
Collapse
Affiliation(s)
- Jenny Yang
- Division of Pulmonary, Critical Care, Sleep Medicine, University of California, San Diego, La Jolla, CA
| | - Michael M Madani
- Division of Cardiovascular and Thoracic Surgery, University of California, San Diego, La Jolla, CA
| | - Ehtisham Mahmud
- Division of Cardiovascular Medicine, University of California, San Diego, La Jolla, CA
| | - Nick H Kim
- Division of Pulmonary, Critical Care, Sleep Medicine, University of California, San Diego, La Jolla, CA.
| |
Collapse
|
2
|
Hahn LD, Papamatheakis DG, Fernandes TM, Poch DS, Yang J, Shen J, Hoh CK, Hsiao A, Kerr KM, Pretorius V, Madani MM, Kim NH, Kligerman SJ. Multidisciplinary Approach to Chronic Thromboembolic Pulmonary Hypertension: Role of Radiologists. Radiographics 2023; 43:e220078. [DOI: 10.1148/rg.220078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Lewis D. Hahn
- From the Departments of Radiology (L.D.H., C.K.H., A.H., S.J.K.), Pulmonology (D.G.P., T.M.F., D.S.P., J.Y., C.K.H., K.M.K., N.H.K.), and Cardiothoracic Surgery (V.P., M.M.M.), University of California San Diego School of Medicine, 9300 Campus Point Dr, La Jolla, CA 92037-0841; and Department of Radiology, Stanford School of Medicine, Palo Alto, Calif (J.S.)
| | - Demosthenes G. Papamatheakis
- From the Departments of Radiology (L.D.H., C.K.H., A.H., S.J.K.), Pulmonology (D.G.P., T.M.F., D.S.P., J.Y., C.K.H., K.M.K., N.H.K.), and Cardiothoracic Surgery (V.P., M.M.M.), University of California San Diego School of Medicine, 9300 Campus Point Dr, La Jolla, CA 92037-0841; and Department of Radiology, Stanford School of Medicine, Palo Alto, Calif (J.S.)
| | - Timothy M. Fernandes
- From the Departments of Radiology (L.D.H., C.K.H., A.H., S.J.K.), Pulmonology (D.G.P., T.M.F., D.S.P., J.Y., C.K.H., K.M.K., N.H.K.), and Cardiothoracic Surgery (V.P., M.M.M.), University of California San Diego School of Medicine, 9300 Campus Point Dr, La Jolla, CA 92037-0841; and Department of Radiology, Stanford School of Medicine, Palo Alto, Calif (J.S.)
| | - David S. Poch
- From the Departments of Radiology (L.D.H., C.K.H., A.H., S.J.K.), Pulmonology (D.G.P., T.M.F., D.S.P., J.Y., C.K.H., K.M.K., N.H.K.), and Cardiothoracic Surgery (V.P., M.M.M.), University of California San Diego School of Medicine, 9300 Campus Point Dr, La Jolla, CA 92037-0841; and Department of Radiology, Stanford School of Medicine, Palo Alto, Calif (J.S.)
| | - Jenny Yang
- From the Departments of Radiology (L.D.H., C.K.H., A.H., S.J.K.), Pulmonology (D.G.P., T.M.F., D.S.P., J.Y., C.K.H., K.M.K., N.H.K.), and Cardiothoracic Surgery (V.P., M.M.M.), University of California San Diego School of Medicine, 9300 Campus Point Dr, La Jolla, CA 92037-0841; and Department of Radiology, Stanford School of Medicine, Palo Alto, Calif (J.S.)
| | - Jody Shen
- From the Departments of Radiology (L.D.H., C.K.H., A.H., S.J.K.), Pulmonology (D.G.P., T.M.F., D.S.P., J.Y., C.K.H., K.M.K., N.H.K.), and Cardiothoracic Surgery (V.P., M.M.M.), University of California San Diego School of Medicine, 9300 Campus Point Dr, La Jolla, CA 92037-0841; and Department of Radiology, Stanford School of Medicine, Palo Alto, Calif (J.S.)
| | - Carl K. Hoh
- From the Departments of Radiology (L.D.H., C.K.H., A.H., S.J.K.), Pulmonology (D.G.P., T.M.F., D.S.P., J.Y., C.K.H., K.M.K., N.H.K.), and Cardiothoracic Surgery (V.P., M.M.M.), University of California San Diego School of Medicine, 9300 Campus Point Dr, La Jolla, CA 92037-0841; and Department of Radiology, Stanford School of Medicine, Palo Alto, Calif (J.S.)
| | - Albert Hsiao
- From the Departments of Radiology (L.D.H., C.K.H., A.H., S.J.K.), Pulmonology (D.G.P., T.M.F., D.S.P., J.Y., C.K.H., K.M.K., N.H.K.), and Cardiothoracic Surgery (V.P., M.M.M.), University of California San Diego School of Medicine, 9300 Campus Point Dr, La Jolla, CA 92037-0841; and Department of Radiology, Stanford School of Medicine, Palo Alto, Calif (J.S.)
| | - Kim M. Kerr
- From the Departments of Radiology (L.D.H., C.K.H., A.H., S.J.K.), Pulmonology (D.G.P., T.M.F., D.S.P., J.Y., C.K.H., K.M.K., N.H.K.), and Cardiothoracic Surgery (V.P., M.M.M.), University of California San Diego School of Medicine, 9300 Campus Point Dr, La Jolla, CA 92037-0841; and Department of Radiology, Stanford School of Medicine, Palo Alto, Calif (J.S.)
| | - Victor Pretorius
- From the Departments of Radiology (L.D.H., C.K.H., A.H., S.J.K.), Pulmonology (D.G.P., T.M.F., D.S.P., J.Y., C.K.H., K.M.K., N.H.K.), and Cardiothoracic Surgery (V.P., M.M.M.), University of California San Diego School of Medicine, 9300 Campus Point Dr, La Jolla, CA 92037-0841; and Department of Radiology, Stanford School of Medicine, Palo Alto, Calif (J.S.)
| | - Michael M. Madani
- From the Departments of Radiology (L.D.H., C.K.H., A.H., S.J.K.), Pulmonology (D.G.P., T.M.F., D.S.P., J.Y., C.K.H., K.M.K., N.H.K.), and Cardiothoracic Surgery (V.P., M.M.M.), University of California San Diego School of Medicine, 9300 Campus Point Dr, La Jolla, CA 92037-0841; and Department of Radiology, Stanford School of Medicine, Palo Alto, Calif (J.S.)
| | - Nick H. Kim
- From the Departments of Radiology (L.D.H., C.K.H., A.H., S.J.K.), Pulmonology (D.G.P., T.M.F., D.S.P., J.Y., C.K.H., K.M.K., N.H.K.), and Cardiothoracic Surgery (V.P., M.M.M.), University of California San Diego School of Medicine, 9300 Campus Point Dr, La Jolla, CA 92037-0841; and Department of Radiology, Stanford School of Medicine, Palo Alto, Calif (J.S.)
| | - Seth J. Kligerman
- From the Departments of Radiology (L.D.H., C.K.H., A.H., S.J.K.), Pulmonology (D.G.P., T.M.F., D.S.P., J.Y., C.K.H., K.M.K., N.H.K.), and Cardiothoracic Surgery (V.P., M.M.M.), University of California San Diego School of Medicine, 9300 Campus Point Dr, La Jolla, CA 92037-0841; and Department of Radiology, Stanford School of Medicine, Palo Alto, Calif (J.S.)
| |
Collapse
|
3
|
Kobelev E, Bergen TA, Tarkova AR, Vasiltseva OY, Kamenskaya OV, Usov VY, Chernyavsky AM. COVID-19 as a cause of chronic pulmonary hypertension: pathophysiological rationale and potential of instrumental investigations. КАРДИОВАСКУЛЯРНАЯ ТЕРАПИЯ И ПРОФИЛАКТИКА 2021. [DOI: 10.15829/1728-8800-2021-2844] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Coronavirus disease 2019 (COVID-19) is a poorly understood and dangerous medical problem. COVID-19-related pulmonary vessels involvement is a complex set of interrelated pathophysiological processes associated with vascular endothelial dysfunction and accompanied by thrombosis of various localization, vasomotor disorders, severe respiratory failure, as well as pulmonary embolism (PE) resulting in chronic thromboembolic pulmonary hypertension (CTEPH). According to computed tomographic pulmonary angiography, the incidence of PE in patients with COVID-19 ranges from 23 to 30%. The aim of this work was to focus the doctors' attention on the risk of pulmonary hypertension in patients after COVID-19.Despite the ability of severe acute respiratory syndrome-related coronavirus 2 (SARS-CoV-2) to infect various organs and systems, the main and most serious complications are pulmonary infiltration, acute respiratory distress syndrome, acute respiratory failure and PE, which in some cases becomes the triggering mechanism for CTEPH development. The literature review presents data on main pathological abnormalities developing in target organs during COVID-19 and playing an important role in increasing the CTEPH risk. The paper describes the main methods of instrumental investigations of CTEPH and an algorithm for its use in COVID-19 survivors.The revealed data demonstrated that the absence of obvious signs of pulmonary hypertension/CTEPH, the cardiopulmonary system abnormalities cannot be ruled out. Therefore, it seems appropriate to actively follow up COVID-19 survivors. A thoroughly, purposefully collected anamnesis, pulmonary function tests and stress echocardiography in an ambiguous clinical situation will play a leading role as they identify cardiopulmonary disorders and provide the doctor with basic information for further planning of patient management.
Collapse
Affiliation(s)
- E. Kobelev
- Meshalkin National Medical Research Center
| | | | | | | | | | - V. Yu. Usov
- Cardiology Research Institute, Tomsk National Research Medical Center
| | | |
Collapse
|
4
|
Fathala A, Aldurabi A. Frequency of computed tomography abnormalities in patients with chronic thromboembolic pulmonary hypertension: a comparative study between lung perfusion scan and computed tomography pulmonary angiography. Multidiscip Respir Med 2021; 16:753. [PMID: 34322231 PMCID: PMC8273626 DOI: 10.4081/mrm.2021.753] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 05/31/2021] [Indexed: 12/12/2022] Open
Abstract
Introduction Chronic thromboembolic pulmonary hypertension (CTEPH) is one of the leading causes of pulmonary hypertension. Diagnosis of CTEPH can be established using various imaging techniques, including ventilation-perfusion scintigraphy (VQ) and multidetector computed tomography pulmonary angiography (CTPA). The aim of this study was to determine the frequency of direct pulmonary vascular, parenchymal lung, and cardiac abnormalities on CTPA in patients with CTEPH and to compare the diagnostic accuracy of both VQ scan CTPA in detecting CTEPH. Methods We retrospectively included 54 patients who had been referred for pulmonary hypertension service (20 males, 34 females). All patients had VQ scan and CTPA within 15 days and underwent pulmonary artery endarterectomy (PEA) thereafter. VQ scans were reported according to modified PIOPED (Prospective Investigation of Pulmonary Embolism Diagnosis) criteria. CTPA was considered as diagnostic for CTEPH if it showed presence of thrombus, webs, stenosis, or perfusion lung abnormalities. Results The mean age of the study population was 41±10 years. The mean pulmonary artery pressure was 53±13 mmHg. Fifty-three out of 54 patients in the study population had high probability VQ scan and one patient had intermediate probability. CTPA was suggestive of CTEPH in all patients. The most frequent CTPA findings in the central pulmonary arteries and peripheral arteries were presence of thrombotic materials, abnormal vessel tapering and abrupt vessels-cut off (76% vs 65%, 67% vs 48%, and 48% vs 22%), respectively. The mosaic lung perfusion was present in 78% of the patients, and various cardiac morphology abnormalities were present and most common was abnormal right to left ventricle ratio (69%). Conclusion Our findings indicate that both VQ scan and CTPA are highly sensitive for the detection of CTEPH confirmed by PEA. Most CTEPH patients had several pulmonary vascular, parenchymal lung and cardiac abnormalities. There was no sign with 100% sensitivity on CTPA for CTEPH detection.
Collapse
Affiliation(s)
- Ahmed Fathala
- Department of Radiology, Nuclear Medicine and Cardiovascular Imaging, King Faisal Specialist Hospital and Research Center, Riyadh
| | - Alaa Aldurabi
- Department of Radiology, College of Medicine, Qassim University, Buraidah, Saudi Arabia
| |
Collapse
|
5
|
Revisiting a Distinct Entity in Pulmonary Vascular Disease: Chronic Thromboembolic Pulmonary Hypertension (CTEPH). ACTA ACUST UNITED AC 2021; 57:medicina57040355. [PMID: 33916978 PMCID: PMC8067524 DOI: 10.3390/medicina57040355] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 04/01/2021] [Accepted: 04/02/2021] [Indexed: 11/16/2022]
Abstract
Chronic thromboembolic pulmonary hypertension (CTEPH) is a specific type of pulmonary hypertension (PH) and the major component of Group 4 pulmonary hypertension (PH). It is caused by pulmonary vasculature obstruction that leads to a progressive increase in pulmonary vascular resistance and, ultimately, to failure of the right ventricle. Pulmonary thromboendarterectomy (PEA) is the only definitive therapy, so a timely diagnosis and early referral to a specialized PEA center to determine candidacy is prudent for a favorable outcome. Percutaneous balloon pulmonary angioplasty (BPA) has a potential role in patients unsuitable for PEA. Medical therapy with riociguat is the only PH-specific medical therapy currently approved for the treatment of inoperable or persistent CTEPH. This review article aims to revisit CTEPH succinctly with a review of prevailing literature.
Collapse
|
6
|
Papamatheakis DG, Poch DS, Fernandes TM, Kerr KM, Kim NH, Fedullo PF. Chronic Thromboembolic Pulmonary Hypertension: JACC Focus Seminar. J Am Coll Cardiol 2021; 76:2155-2169. [PMID: 33121723 DOI: 10.1016/j.jacc.2020.08.074] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 08/27/2020] [Accepted: 08/29/2020] [Indexed: 11/28/2022]
Abstract
Chronic thromboembolic pulmonary hypertension (CTEPH) is the result of pulmonary arterial obstruction by organized thrombotic material stemming from incompletely resolved acute pulmonary embolism. The exact incidence of CTEPH is unknown but appears to approximate 2.3% among survivors of acute pulmonary embolism. Although ventilation/perfusion scintigraphy has been supplanted by computed tomographic pulmonary angiography in the diagnostic approach to acute pulmonary embolism, it has a major role in the evaluation of patients with suspected CTEPH, the presence of mismatched segmental defects being consistent with the diagnosis. Diagnostic confirmation of CTEPH is provided by digital subtraction pulmonary angiography, preferably performed at a center familiar with the procedure and its interpretation. Operability assessment is then undertaken to determine if the patient is a candidate for potentially curative pulmonary endarterectomy surgery. When pulmonary endarterectomy is not an option, pulmonary arterial hypertension-targeted pharmacotherapy and balloon pulmonary angioplasty represent potential therapeutic alternatives.
Collapse
Affiliation(s)
- Demosthenes G Papamatheakis
- University of California San Diego Medical Health, Division of Pulmonary Critical Care and Sleep Medicine, San Diego, California
| | - David S Poch
- University of California San Diego Medical Health, Division of Pulmonary Critical Care and Sleep Medicine, San Diego, California
| | - Timothy M Fernandes
- University of California San Diego Medical Health, Division of Pulmonary Critical Care and Sleep Medicine, San Diego, California
| | - Kim M Kerr
- University of California San Diego Medical Health, Division of Pulmonary Critical Care and Sleep Medicine, San Diego, California
| | - Nick H Kim
- University of California San Diego Medical Health, Division of Pulmonary Critical Care and Sleep Medicine, San Diego, California
| | - Peter F Fedullo
- University of California San Diego Medical Health, Division of Pulmonary Critical Care and Sleep Medicine, San Diego, California.
| |
Collapse
|
7
|
Matusov Y, Singh I, Yu YR, Chun HJ, Maron BA, Tapson VF, Lewis MI, Rajagopal S. Chronic Thromboembolic Pulmonary Hypertension: the Bedside. Curr Cardiol Rep 2021; 23:147. [PMID: 34410530 PMCID: PMC8375459 DOI: 10.1007/s11886-021-01573-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/18/2021] [Indexed: 02/07/2023]
Abstract
PURPOSE OF REVIEW Chronic thromboembolic pulmonary hypertension (CTEPH), included in group 4 PH, is an uncommon complication of acute pulmonary embolism (PE), in which emboli in the pulmonary vasculature do not resolve but rather form into an organized scar-like obstruction which can result in right ventricular (RV) failure. Here we provide an overview of current diagnosis and management of CTEPH. RECENT FINDINGS CTEPH management is complex with treatments that range from surgery, percutaneous interventions, to medical therapies. Current CTEPH medical therapies have largely been repurposed from pulmonary arterial hypertension (PAH). The diagnosis of CTEPH can be challenging, requiring a multimodality approach to differentiate from disease mimics. While these treatments improve symptoms, they may not reverse the underlying pathology of CTEPH.
Collapse
Affiliation(s)
- Yuri Matusov
- grid.50956.3f0000 0001 2152 9905Division of Pulmonary and Critical Care Medicine, Cedars-Sinai Medical Center, Los Angeles, CA USA
| | - Inderjit Singh
- grid.47100.320000000419368710Division of Pulmonary, Critical Care, and Sleep Medicine, Yale New Haven Hospital and Yale School of Medicine, New Haven, CT USA
| | - Yen-Rei Yu
- grid.189509.c0000000100241216Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, Duke University Medical Center, Durham, NC USA
| | - Hyung J. Chun
- grid.47100.320000000419368710Section of Cardiovascular Medicine, Department of Internal Medicine, Yale Cardiovascular Research Center, Yale School of Medicine, New Haven, CT USA
| | - Bradley A. Maron
- grid.410370.10000 0004 4657 1992Section of Cardiology, Veterans Affairs Boston Healthcare System, Boston, MA USA ,grid.62560.370000 0004 0378 8294Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women’s Hospital, Boston, MA USA
| | - Victor F. Tapson
- grid.50956.3f0000 0001 2152 9905Division of Pulmonary and Critical Care Medicine, Cedars-Sinai Medical Center, Los Angeles, CA USA
| | - Michael I. Lewis
- grid.50956.3f0000 0001 2152 9905Division of Pulmonary and Critical Care Medicine, Cedars-Sinai Medical Center, Los Angeles, CA USA
| | - Sudarshan Rajagopal
- grid.189509.c0000000100241216Division of Cardiology, Department of Medicine, Duke University Medical Center, Durham, NC USA
| |
Collapse
|
8
|
Ruan W, Yap JJL, Quah KKH, Cheah FK, Phuah GC, Sewa DW, Ismail AB, Chia AXF, Jenkins D, Tan JL, Chao VTT, Lim ST. Clinical Updates on the Diagnosis and Management of Chronic Thromboembolic
Pulmonary Hypertension. ANNALS OF THE ACADEMY OF MEDICINE, SINGAPORE 2020. [DOI: 10.47102/annals-acadmed.sg.2019254] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Introduction: Chronic thromboembolic pulmonary hypertension (CTEPH) is a known sequela after acute pulmonary embolism (PE). It is a debilitating disease, and potentially fatal if left untreated. This review provides a clinically relevant overview of the disease and discusses the usefulness and limitations of the various investigational and treatment options. Methods: A PubMed search on articles relevant to pulmonary embolism, pulmonary hypertension, chronic thromboembolic pulmonary hypertension, pulmonary endarterectomy, and balloon pulmonary angioplasty were performed. A total of 68 articles were found to be relevant and were reviewed. Results: CTEPH occurs as a result of non-resolution of thrombotic material, with subsequent fibrosis and scarring of the pulmonary arteries. Risk factors have been identified, but the underlying mechanisms have yet to be fully elucidated. The cardinal symptom of CTEPH is dyspnoea on exertion, but the diagnosis is often challenging due to lack of awareness. The ventilation/perfusion scan is recommended for screening for CTEPH, with other modalities (eg. dual energy computed tomography pulmonary angiography) also being utilised in expert centres. Conventional pulmonary angiography with right heart catherisation is important in the final diagnosis of CTEPH. Conclusion: Operability assessment by a multidisciplinary team is crucial for the management of CTEPH, as pulmonary endarterectomy (PEA) remains the guideline recommended treatment and has the best chance of cure. For inoperable patients or those with residual disease post-PEA, medical therapy or balloon pulmonary angioplasty are potential treatment options.
Keywords: Balloon pulmonary angioplasty, Chronic thromboembolic pulmonary hypertension, Pulmonary embolism, Pulmonary endarterectomy, Pulmonary hypertension
Collapse
Affiliation(s)
- Wen Ruan
- National Heart Centre Singapore, Singapore
| | | | | | | | | | | | | | | | | | - Ju Le Tan
- National Heart Centre Singapore, Singapore
| | | | | |
Collapse
|
9
|
Haramati A, Haramati LB. Imaging of Chronic Thromboembolic Disease. Lung 2020; 198:245-255. [PMID: 32166427 DOI: 10.1007/s00408-020-00344-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 02/28/2020] [Indexed: 12/19/2022]
Abstract
Acute pulmonary embolism (PE) is a leading cause of cardiovascular morbidity. The most common long-term complication of acute PE is chronic thromboembolic disease, a heterogenous entity which ranges from asymptomatic imaging sequelae to persistent symptoms. Chronic thromboembolic pulmonary hypertension (CTEPH) is a rare disease that can develop in this population and represents the only treatable type of pulmonary hypertension. Recognition of the characteristic findings of chronic pulmonary embolism and CTEPH provides not only diagnostic information, but is also crucial for guiding therapy. The present state-of-the-art review focuses on the multimodality imaging features of chronic pulmonary embolism. Detailed description and illustrations of relevant imaging findings will be demonstrated for ventilation/perfusion (V/Q) scan, CT scan and Dual-Energy CT and MRI and features that distinguish chronic PE from common imaging mimics.
Collapse
Affiliation(s)
- Adina Haramati
- Department of Radiology, Northwell Health, Manhasset, NY, USA.
| | - Linda B Haramati
- Departments of Radiology and Internal Medicine, Montefiore Medical Center and Albert Einstein College of Medicine, Bronx, NY, USA
| |
Collapse
|
10
|
Mahmud E, Behnamfar O, Ang L, Patel MP, Poch D, Kim NH. Balloon Pulmonary Angioplasty for Chronic Thromboembolic Pulmonary Hypertension. Interv Cardiol Clin 2019; 7:103-117. [PMID: 29157517 DOI: 10.1016/j.iccl.2017.09.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Chronic thromboembolic pulmonary hypertension (CTEPH) is associated with several risk factors but is most frequently seen as a rare consequence of an acute pulmonary embolism. Surgical pulmonary thromboendarterectomy (PTE) is potentially curative for CTEPH with the best outcomes seen for the treatment of primarily proximal, accessible lobar or segmental disease. For surgically inoperable patients, percutaneous balloon pulmonary angioplasty (BPA) is feasible and has good short- to mid-term efficacy outcomes. This review focuses on the technique and outcomes associated with BPA which has emerged as a new therapeutic option for CTEPH.
Collapse
Affiliation(s)
- Ehtisham Mahmud
- Division of Cardiovascular Medicine, Sulpizio Cardiovascular Center, University of California, San Diego, 9434 Medical Center Drive, La Jolla, CA 92037, USA.
| | - Omid Behnamfar
- Division of Cardiovascular Medicine, Sulpizio Cardiovascular Center, University of California, San Diego, 9434 Medical Center Drive, La Jolla, CA 92037, USA
| | - Lawrence Ang
- Division of Cardiovascular Medicine, Sulpizio Cardiovascular Center, University of California, San Diego, 9434 Medical Center Drive, La Jolla, CA 92037, USA
| | - Mitul P Patel
- Division of Cardiovascular Medicine, Sulpizio Cardiovascular Center, University of California, San Diego, 9434 Medical Center Drive, La Jolla, CA 92037, USA
| | - David Poch
- Division of Pulmonary and Critical Care Medicine, Sulpizio Cardiovascular Center, University of California, San Diego, 9434 Medical Center Drive, La Jolla, CA 92037, USA
| | - Nick H Kim
- Division of Pulmonary and Critical Care Medicine, Sulpizio Cardiovascular Center, University of California, San Diego, 9434 Medical Center Drive, La Jolla, CA 92037, USA
| |
Collapse
|
11
|
Abstract
Chronic thromboembolic pulmonary hypertension (CTEPH) is a progressive pulmonary vascular disease with significant morbidity. It is a result of an alternate natural history in which there is limited resolution of thromboemboli with pulmonary artery obstruction leading to pulmonary hypertension (PH). CTEPH requires a thorough clinical assessment including pulmonary hemodynamics and radiologic evaluation in addition to consultation with an expert center. Surgical intervention remains the optimal management strategy. Select patients may be candidates for catheter-based intervention with balloon pulmonary angioplasty in centers with clinical expertise. Inoperable patients or those with post-intervention PH are treated with pulmonary hypertension-targeted medical therapy.
Collapse
Affiliation(s)
- Jean M Elwing
- Pulmonary Hypertension Program, Division of Pulmonary, Critical Care and Sleep Medicine, University of Cincinnati College of Medicine, 231 Albert Sabin Way, ML 0564, Cincinnati, OH 45267, USA.
| | - Anjali Vaidya
- Pulmonary Hypertension, Right Heart Failure, and Pulmonary Thromboendarterectomy Program, Advanced Heart Failure and Cardiac Transplant, Temple University School of Medicine, Temple University Hospital, 9th Floor Parkinson Pavilion, 3401 North Broad Street, Philadelphia, PA 19140, USA
| | - William R Auger
- CTEPH Program, UC San Diego Health, University of California, San Diego, 9300 Campus Point Drive #7381, La Jolla, CA 92037, USA
| |
Collapse
|
12
|
Kiely DG, Levin DL, Hassoun PM, Ivy D, Jone PN, Bwika J, Kawut SM, Lordan J, Lungu A, Mazurek JA, Moledina S, Olschewski H, Peacock AJ, Puri G, Rahaghi FN, Schafer M, Schiebler M, Screaton N, Tawhai M, van Beek EJ, Vonk-Noordegraaf A, Vandepool R, Wort SJ, Zhao L, Wild JM, Vogel-Claussen J, Swift AJ. EXPRESS: Statement on imaging and pulmonary hypertension from the Pulmonary Vascular Research Institute (PVRI). Pulm Circ 2019; 9:2045894019841990. [PMID: 30880632 PMCID: PMC6732869 DOI: 10.1177/2045894019841990] [Citation(s) in RCA: 87] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Accepted: 03/01/2019] [Indexed: 01/08/2023] Open
Abstract
Pulmonary hypertension (PH) is highly heterogeneous and despite treatment advances it remains a life-shortening condition. There have been significant advances in imaging technologies, but despite evidence of their potential clinical utility, practice remains variable, dependent in part on imaging availability and expertise. This statement summarizes current and emerging imaging modalities and their potential role in the diagnosis and assessment of suspected PH. It also includes a review of commonly encountered clinical and radiological scenarios, and imaging and modeling-based biomarkers. An expert panel was formed including clinicians, radiologists, imaging scientists, and computational modelers. Section editors generated a series of summary statements based on a review of the literature and professional experience and, following consensus review, a diagnostic algorithm and 55 statements were agreed. The diagnostic algorithm and summary statements emphasize the key role and added value of imaging in the diagnosis and assessment of PH and highlight areas requiring further research.
Collapse
Affiliation(s)
- David G. Kiely
- Sheffield Pulmonary Vascular Disease
Unit, Royal Hallamshire Hospital, Sheffield, UK
- Department of Infection, Immunity and
Cardiovascular Disease and Insigneo Institute, University of Sheffield, Sheffield,
UK
| | - David L. Levin
- Department of Radiology, Mayo Clinic,
Rochester, MN, USA
| | - Paul M. Hassoun
- Department of Medicine John Hopkins
University, Baltimore, MD, USA
| | - Dunbar Ivy
- Paediatric Cardiology, Children’s
Hospital, University of Colorado School of Medicine, Denver, CO, USA
| | - Pei-Ni Jone
- Paediatric Cardiology, Children’s
Hospital, University of Colorado School of Medicine, Denver, CO, USA
| | | | - Steven M. Kawut
- Department of Medicine, Perelman School
of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Jim Lordan
- Freeman Hospital, Newcastle Upon Tyne,
Newcastle, UK
| | - Angela Lungu
- Technical University of Cluj-Napoca,
Cluj-Napoca, Romania
| | - Jeremy A. Mazurek
- Division of Cardiovascular Medicine,
Hospital
of the University of Pennsylvania,
Philadelphia, PA, USA
| | | | - Horst Olschewski
- Division of Pulmonology, Ludwig
Boltzmann Institute Lung Vascular Research, Graz, Austria
| | - Andrew J. Peacock
- Scottish Pulmonary Vascular Disease,
Unit, University of Glasgow, Glasgow, UK
| | - G.D. Puri
- Department of Anaesthesiology and
Intensive Care, Post Graduate Institute of Medical Education and Research,
Chandigarh, India
| | - Farbod N. Rahaghi
- Brigham and Women’s Hospital, Harvard
Medical School, Boston, MA, USA
| | - Michal Schafer
- Paediatric Cardiology, Children’s
Hospital, University of Colorado School of Medicine, Denver, CO, USA
| | - Mark Schiebler
- Department of Radiology, University of
Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | | | - Merryn Tawhai
- Auckland Bioengineering Institute,
Auckland, New Zealand
| | - Edwin J.R. van Beek
- Edinburgh Imaging, Queens Medical
Research Institute, University of Edinburgh, Edinburgh, UK
| | | | - Rebecca Vandepool
- University of Arizona, Division of
Translational and Regenerative Medicine, Tucson, AZ, USA
| | - Stephen J. Wort
- Royal Brompton Hospital, London,
UK
- Imperial College, London, UK
| | | | - Jim M. Wild
- Department of Infection, Immunity and
Cardiovascular Disease and Insigneo Institute, University of Sheffield, Sheffield,
UK
- Academic Department of Radiology,
University of Sheffield, Sheffield, UK
| | - Jens Vogel-Claussen
- Institute of diagnostic and
Interventional Radiology, Medical Hospital Hannover, Hannover, Germany
| | - Andrew J. Swift
- Department of Infection, Immunity and
Cardiovascular Disease and Insigneo Institute, University of Sheffield, Sheffield,
UK
- Academic Department of Radiology,
University of Sheffield, Sheffield, UK
| |
Collapse
|
13
|
Klok FA, Delcroix M, Bogaard HJ. Chronic thromboembolic pulmonary hypertension from the perspective of patients with pulmonary embolism. J Thromb Haemost 2018; 16:1040-1051. [PMID: 29608809 DOI: 10.1111/jth.14016] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Indexed: 11/30/2022]
Abstract
Chronic thromboembolic pulmonary hypertension (CTEPH) is a rare but feared long-term complication of acute pulmonary embolism (PE), although CTEPH may occur in patients with no history of symptomatic venous thromboembolism. It represents the most severe presentation of the so-called 'post-PE syndrome', a phenomenon of permanent functional limitations after PE caused by deconditioning after PE or ventilatory or circulatory impairment as a result of unresolved pulmonary artery thrombi. Because the post-PE syndrome may occur in up to 50% of PE survivors, and CTEPH tends to have an insidious and non-specific clinical presentation, CTEPH is often not diagnosed or diagnosed after a very long delay. Once the diagnosis is confirmed, the treatment of choice is pulmonary endarterectomy which effectively lowers the pulmonary vascular resistance and normalizes resting pulmonary artery pressures, leading to recovery of the right ventricle. When pulmonary endarterectomy is not technically feasible, balloon pulmonary angioplasty may be a potential acceptable alternative. Also, medical treatment may help to improve patient's symptoms and hemodynamics. Current studies are focusing on strategies for earlier CTEPH diagnosis after acute PE, as well as the most optimal treatment of inoperable patients. This review will focus on the epidemiology, risk factors, diagnosis and treatment of CTEPH from the perspective of the PE patient.
Collapse
Affiliation(s)
- F A Klok
- Department of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, the Netherlands
- Center for Thrombosis and Hemostasis, University Hospital of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - M Delcroix
- Department of Pneumology, Division of Pneumology, University Hospitals Leuven and Department CHROMETA, KU Leuven, Leuven, Belgium
| | - H J Bogaard
- Department of Pulmonary Diseases, Institute for Cardiovascular Research (ICaR-VU), VU University Medical Center, Amsterdam, the Netherlands
| |
Collapse
|
14
|
Nishiyama KH, Saboo SS, Tanabe Y, Jasinowodolinski D, Landay MJ, Kay FU. Chronic pulmonary embolism: diagnosis. Cardiovasc Diagn Ther 2018; 8:253-271. [PMID: 30057874 DOI: 10.21037/cdt.2018.01.09] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Chronic thromboembolic pulmonary hypertension (CTEPH) is a complication of venous thromboembolic disease. Differently from other causes of pulmonary hypertension, CTEPH is potentially curable with surgery (thromboendarterectomy) or balloon pulmonary angioplasty. Imaging plays a central role in CTEPH diagnosis. The combination of techniques such as lung scintigraphy, computed tomography and magnetic resonance angiography provides non-invasive anatomic and functional information. Conventional pulmonary angiography (CPA) with right heart catheterization (RHC) is considered the gold standard method for diagnosing CTEPH. In this review, we discuss the utility of these imaging techniques in the diagnosis of CTEPH.
Collapse
Affiliation(s)
- Katia Hidemi Nishiyama
- Department of Thoracic Imaging, Hospital do Coração and DASA (Diagnósticos da América), São Paulo, Brazil
| | - Sachin S Saboo
- Department of Radiology, UT Southwestern Medical Center, Florence Building, Dallas, TX, USA
| | - Yuki Tanabe
- Department of Radiology, UT Southwestern Medical Center, Florence Building, Dallas, TX, USA
| | | | - Michael J Landay
- Department of Radiology, UT Southwestern Medical Center, Florence Building, Dallas, TX, USA
| | - Fernando Uliana Kay
- Department of Radiology, UT Southwestern Medical Center, Florence Building, Dallas, TX, USA
| |
Collapse
|
15
|
Abstract
Pulmonary hypertension is defined by a mean pulmonary artery pressure greater than 25 mm Hg. Chronic thromboembolic pulmonary hypertension (CTEPH) is defined as pulmonary hypertension in the presence of an organized thrombus within the pulmonary vascular bed that persists at least 3 months after the onset of anticoagulant therapy. Because CTEPH is potentially curable by surgical endarterectomy, correct identification of patients with this form of pulmonary hypertension and an accurate assessment of surgical candidacy are essential to provide optimal care. Patients most commonly present with symptoms of exertional dyspnea and otherwise unexplained decline in exercise capacity. Atypical chest pain, a nonproductive cough, and episodic hemoptysis are observed less frequently. With more advanced disease, patients often develop symptoms suggestive of right ventricular compromise. Physical examination findings are minimal early in the course of this disease, but as pulmonary hypertension progresses, may include nonspecific finding of right ventricular failure, such as a tricuspid regurgitation murmur, pedal edema, and jugular venous distention. Chest radiographs may suggest pulmonary hypertension, but are neither sensitive nor specific for the diagnosis. Radioisotopic ventilation-perfusion scanning is sensitive for detecting CTEPH, making it a valuable screening study. Conventional catheter-based pulmonary angiography retains an important role in establishing the presence and extent of chronic thromboembolic disease. However, computed tomographic and magnetic resonance imaging are playing a growing diagnostic role. Innovative technologies such as dual-energy computed tomography, dynamic contrast-enhanced magnetic resonance imaging, and optical coherence tomography show promise for contributing diagnostic information and assisting in the preoperative characterization of patients with CTEPH.
Collapse
|
16
|
Abstract
Chronic thromboembolic pulmonary hypertension (CTEPH) is one of the potentially curable causes of pulmonary hypertension and is definitively treated with pulmonary thromboendartectomy. CTEPH can be overlooked, as its symptoms are nonspecific and can be mimicked by a wide range of diseases that can cause pulmonary hypertension. Early diagnosis of CTEPH and prompt evaluation for surgical candidacy are paramount factors in determining future outcomes. Imaging plays a central role in the diagnosis of CTEPH and patient selection for pulmonary thromboendartectomy and balloon pulmonary angioplasty. Currently, various imaging tools are used in concert, with techniques such as computed tomography (CT) and conventional pulmonary angiography providing detailed structural information, tests such as ventilation-perfusion (V/Q) scanning providing functional data, and magnetic resonance imaging providing a combination of morphologic and functional information. Emerging techniques such as dual-energy CT and single photon emission computed tomography-CT V/Q scanning promise to provide both anatomic and functional information in a single test and may change the way we image these patients in the near future. In this review, we discuss the roles of various imaging techniques and discuss their merits, limitations, and relative strengths in depicting the structural and functional changes of CTEPH. We also explore newer imaging techniques and the potential value they may offer.
Collapse
|
17
|
Memon HA, Lin CH, Guha A. Chronic Thromboembolic Pulmonary Hypertension: Pearls and Pitfalls of Diagnosis. Methodist Debakey Cardiovasc J 2017; 12:199-204. [PMID: 28289494 DOI: 10.14797/mdcj-12-4-199] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Chronic thromboembolic pulmonary hypertension (CTEPH) is characterized by chronic obstruction of major pulmonary arteries by organized thromboembolic material. Untreated CTEPH can result in pulmonary hypertension and eventually right heart failure, yet it is the only form of pulmonary hypertension that is potentially curable with surgical or catheter-based intervention. While early diagnosis is key to increasing the likelihood of successful treatment, CTEPH remains largely underdiagnosed. This article reviews the role of echocardiogram, ventilation/perfusion scan, and other available modalities in the diagnosis of CTEPH.
Collapse
Affiliation(s)
| | - C Huie Lin
- Houston Methodist Hospital, Houston, Texas
| | | |
Collapse
|
18
|
Suda R, Tanabe N, Ishida K, Kato F, Urushibara T, Sekine A, Nishimura R, Jujo T, Sugiura T, Shigeta A, Sakao S, Tatsumi K. Prognostic and pathophysiological marker for patients with chronic thromboembolic pulmonary hypertension: Usefulness of diffusing capacity for carbon monoxide at diagnosis. Respirology 2016; 22:179-186. [DOI: 10.1111/resp.12883] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2015] [Revised: 05/06/2016] [Accepted: 06/13/2016] [Indexed: 12/15/2022]
Affiliation(s)
- Rika Suda
- Department of Respirology, Graduate School of Medicine; Chiba University; Chiba Japan
| | - Nobuhiro Tanabe
- Department of Respirology, Graduate School of Medicine; Chiba University; Chiba Japan
- Department of Advanced Medicine in Pulmonary Hypertension, Graduate School of Medicine; Chiba University; Chiba Japan
| | - Keiichi Ishida
- Department of Cardiovascular Surgery, Graduate School of Medicine; Chiba University; Chiba Japan
| | - Fumiaki Kato
- Department of Respirology, Graduate School of Medicine; Chiba University; Chiba Japan
| | - Takashi Urushibara
- Department of Respirology, Graduate School of Medicine; Chiba University; Chiba Japan
| | - Ayumi Sekine
- Department of Respirology, Graduate School of Medicine; Chiba University; Chiba Japan
- Department of Advanced Medicine in Pulmonary Hypertension, Graduate School of Medicine; Chiba University; Chiba Japan
| | - Rintaro Nishimura
- Department of Respirology, Graduate School of Medicine; Chiba University; Chiba Japan
- Department of Advanced Medicine in Pulmonary Hypertension, Graduate School of Medicine; Chiba University; Chiba Japan
| | - Takayuki Jujo
- Department of Respirology, Graduate School of Medicine; Chiba University; Chiba Japan
- Department of Advanced Medicine in Pulmonary Hypertension, Graduate School of Medicine; Chiba University; Chiba Japan
| | - Toshihiko Sugiura
- Department of Respirology, Graduate School of Medicine; Chiba University; Chiba Japan
| | - Ayako Shigeta
- Department of Respirology, Graduate School of Medicine; Chiba University; Chiba Japan
| | - Seiichiro Sakao
- Department of Respirology, Graduate School of Medicine; Chiba University; Chiba Japan
| | - Koichiro Tatsumi
- Department of Respirology, Graduate School of Medicine; Chiba University; Chiba Japan
| |
Collapse
|
19
|
Manecke GR, Wilson WC, Auger WR, Jamieson SW. Chronic Thromboembolic Pulmonary Hypertension and Pulmonary Thromboendarterectomy. Semin Cardiothorac Vasc Anesth 2016; 9:189-204. [PMID: 16151552 DOI: 10.1177/108925320500900302] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Chronic thromboembolic pulmonary hypertension results from incomplete resolution of a pulmonary embolus or from recurrent pulmonary emboli. Its incidence is underappreciated, and it is currently an undertreated phenomenon. Pulmonary thromboendarterectomy is currently the safest and most effective treatment for this condition. The surgery involves midline sternotomy, profound hypothermic circulatory arrest, and complete endarterectomy of the pulmonary vascular tree. Success depends on effective coordination of multiple medical teams, including pulmonary medicine, anesthesiology, and surgery. This review, based on the past 30 years of experience at University of California San Diego Medical Center, includes information about the clinical history, diagnostic workup, anesthesia, surgical approach, and postoperative care. Outcome data are discussed, as are avenues for future research.
Collapse
Affiliation(s)
- Gerard R Manecke
- Department of Anesthesiology, University of California San Diego, San Diego, CA, USA.
| | | | | | | |
Collapse
|
20
|
Edelman JD. Clinical Presentation, Differential Diagnosis, and Vasodilator Testing of Pulmonary Hypertension. Semin Cardiothorac Vasc Anesth 2016; 11:110-8. [PMID: 17536115 DOI: 10.1177/1089253207301355] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Clinicians should be cognizant of the symptoms and risk factors associated with pulmonary hypertension (PH). While known PH poses significant therapeutic challenges, occult PH carries the added potential for unanticipated complications when treating concurrent medical illnesses. PH may occur with underlying medical conditions and risk factors or may occur de novo as idiopathic pulmonary arterial hypertension (IPAH). Symptoms of PH are frequently attributed to more common conditions, and their nonspecific nature and insidious onset may lead to delay in presentation, evaluation, and diagnosis. Initial symptoms are dyspnea, fatigue, chest pain, and palpitations. Lower extremity edema, presyncope, and syncope are symptoms of more advanced disease. Thorough evaluation of symptoms and identification of patients with risk factors for PH are critical in making a timely diagnosis. History and physical examination can identify patients with suspected PH. Further testing is necessary for definitive diagnosis, classification, assessment of severity, and guiding therapeutic decisions.
Collapse
Affiliation(s)
- Jeffrey D Edelman
- Department of Medicine, University of Washington, Seattle, Washington 98195, USA.
| |
Collapse
|
21
|
Poch DS, Auger WR. Chronic thromboembolic pulmonary hypertension: detection, medical and surgical treatment approach, and current outcomes. Heart Fail Rev 2016; 21:309-22. [DOI: 10.1007/s10741-015-9518-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
|
22
|
D'Armini AM. Diagnostic advances and opportunities in chronic thromboembolic pulmonary hypertension. Eur Respir Rev 2015; 24:253-62. [DOI: 10.1183/16000617.00000915] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Chronic thromboembolic pulmonary hypertension (CTEPH) is characterised by the presence of thromboembolic material in the pulmonary circulation, and patients have a poor prognosis without treatment. Patients present with nonspecific symptoms, such as breathlessness and syncope, which means that other more common conditions are sometimes suspected before CTEPH, leading to delayed diagnosis and treatment. This is problematic because CTEPH is potentially curable with surgical pulmonary endarterectomy (PEA); indeed, CTEPH should always be considered in any patient with unexplained pulmonary hypertension (PH).Several key evaluations are necessary and complementary to confirm a diagnosis of CTEPH and assess operability. Echocardiography is initially used to confirm a general diagnosis of PH. Ventilation/perfusion scanning is then essential in the first stage of CTEPH diagnosis, with a wedge-shaped perfusion deficit indicative of CTEPH. This should be followed by right heart catheterisation (RHC) which is mandatory in confirming the diagnosis and providing haemodynamic parameters that are key predictors of the risk associated with PEA and subsequent prognosis. RHC is ideally coupled with conventional pulmonary angiography, the gold-standard technique for confirming the location and extent of disease, and thus whether the obstruction is surgically accessible. Computed tomographic pulmonary angiography is also now routinely used as a complementary technique to aid diagnosis and operability assessment.Recent improvements in the resolution of other noninvasive techniques, such as cardiac magnetic resonance imaging, allow for detailed reconstructions of the vascular tree and imaging of vessel defects, and interest in their use is increasing.
Collapse
|
23
|
Abstract
Pulmonary vascular diseases encompass a large and diverse group of underlying pathologies ranging from venous thromboembolism to congenital malformations to inflammatory vasculitides. As a result, patients can present either acutely with dyspnea and chest pain or chronically with dyspnea on exertion, hypoxia, and right heart failure. Imaging, particularly with multidetector CT, plays a key role in the evaluation and management of patients with suspected pulmonary vascular disease and, given the widespread routine use of high-quality CT pulmonary angiography, it is imperative that radiologists be familiar these pathologies.
Collapse
Affiliation(s)
- Kristopher W Cummings
- Cardiothoracic Radiology, Mayo Clinic Arizona, 5777 E. Mayo Boulevard, Phoenix, AZ 85054, USA
| | - Sanjeev Bhalla
- Cardiothoracic Imaging, Mallinckrodt Institute of Radiology, Washington University School of Medicine in St Louis, 510 South Kingshighway Boulevard, Box 8131, St Louis, MO 63110, USA.
| |
Collapse
|
24
|
Held M, Grün M, Holl R, Hübner G, Kaiser R, Karl S, Kolb M, Schäfers HJ, Wilkens H, Jany B. Cardiopulmonary exercise testing to detect chronic thromboembolic pulmonary hypertension in patients with normal echocardiography. Respiration 2015; 87:379-87. [PMID: 24732343 DOI: 10.1159/000358565] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2013] [Accepted: 01/13/2014] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Chronic thromboembolic pulmonary hypertension (CTEPH) is a serious complication of pulmonary embolism (PE). Taking into account the reported incidence of CTEPH after acute PE, the number of patients with undiagnosed CTEPH may be high. OBJECTIVES We aimed to determine if cardiopulmonary exercise testing (CPET) could serve as complementary tool in the diagnosis of CTEPH and can detect CTEPH in patients with normal echocardiography. METHODS At diagnosis, we analyzed the data of CPET parameters in 42 patients with proven CTEPH and 51 controls, and evaluated the performance of two scores. RESULTS VE/VCO2 slope, EQO2, EQCO2, P(A-a)O2, end-tidal partial pressure of CO2 at anaerobic threshold (PETCO2) and capillary to end-tidal carbon dioxide gradient [P(c-ET)CO2] were significantly different between patients with CTEPH and controls (p < 0.001). P(c-ET)CO2 was the single parameter with the highest sensitivity (85.7%) and specificity (88.2%). A score combining VE/VCO2 slope, P(A-a)O2, P(c-ET)CO2, PETCO2 [4-parameter-CPET (4-P-CPET) score] reached a sensitivity of 83.3% and a specificity of 92.2% after cross-validation. In 42 patients with CTEPH, echocardiography identified PH in 29 patients (69%), but it was normal in 13 patients (31%). All patients with normal or unmeasurable right ventricular systolic pressure had a pathological CPET. Twelve of the 13 patients (92%) were detected by both CPET scores. CONCLUSION CPET is a useful noninvasive diagnostic tool for the detection of CTEPH in patients with suspected PH but normal echocardiography. The 4-P-CPET score provides a high sensitivity with the highest specificity.
Collapse
Affiliation(s)
- Matthias Held
- Department of Internal Medicine, Medical Mission Hospital, Academic Teaching Hospital, Julius Maximilian University of Würzburg, Würzburg, Germany
| | | | | | | | | | | | | | | | | | | |
Collapse
|
25
|
Held M, Hesse A, Gött F, Holl R, Hübner G, Kolb P, Langen HJ, Romen T, Walter F, Schäfers HJ, Wilkens H, Jany B. A symptom-related monitoring program following pulmonary embolism for the early detection of CTEPH: a prospective observational registry study. BMC Pulm Med 2014; 14:141. [PMID: 25168781 PMCID: PMC4152276 DOI: 10.1186/1471-2466-14-141] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2014] [Accepted: 08/18/2014] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND Chronic thromboembolic pulmonary hypertension (CTEPH) is a long-term complication following an acute pulmonary embolism (PE). It is frequently diagnosed at advanced stages which is concerning as delayed treatment has important implications for favourable clinical outcome. Performing a follow-up examination of patients diagnosed with acute PE regardless of persisting symptoms and using all available technical procedures would be both cost-intensive and possibly ineffective. Focusing diagnostic procedures therefore on only symptomatic patients may be a practical approach for detecting relevant CTEPH.This study aimed to evaluate if a follow-up program for patients with acute PE based on telephone monitoring of symptoms and further examination of only symptomatic patients could detect CTEPH. In addition, we investigated the role of cardiopulmonary exercise testing (CPET) as a diagnostic tool. METHODS In a prospective cohort study all consecutive patients with newly diagnosed PE (n=170, 76 males, 94 females within 26 months) were recruited according to the inclusion and exclusion criteria. Patients were contacted via telephone and asked to answer standardized questions relating to symptoms. At the time of the final analysis 130 patients had been contacted. Symptomatic patients underwent a structured evaluation with echocardiography, CPET and complete work-up for CTEPH. RESULTS 37.7%, 25.5% and 29.3% of the patients reported symptoms after three, six, and twelve months respectively. Subsequent clinical evaluation of these symptomatic patients saw 20.4%, 11.5% and 18.8% of patients at the respective three, six and twelve months time points having an echocardiography suggesting pulmonary hypertension (PH). CTEPH with pathological imaging and a mean pulmonary artery pressure (mPAP) ≥ 25 mm Hg at rest was confirmed in eight subjects. Three subjects with mismatch perfusion defects showed an exercise induced increase of PAP without increasing pulmonary artery occlusion pressure (PAOP). Two subjects with pulmonary hypertension at rest and one with an exercise induced increase of mPAP with normal PAOP showed perfusion defects without echocardiographic signs of PH but a suspicious CPET. CONCLUSION A follow-up program based on telephone monitoring of symptoms and further structured evaluation of symptomatic subjects can detect patients with CTEPH. CPET may serve as a complementary diagnostic tool.
Collapse
Affiliation(s)
- Matthias Held
- Medical Mission Hospital, Department of Internal Medicine, Academic Teaching Hospital of the Julius-Maximilian University of Würzburg, Salvatorstrasse 7, Würzburg 97067, Germany
| | - Alexander Hesse
- Medical Mission Hospital, Department of Internal Medicine, Academic Teaching Hospital of the Julius-Maximilian University of Würzburg, Salvatorstrasse 7, Würzburg 97067, Germany
| | - Franziska Gött
- Medical Mission Hospital, Department of Internal Medicine, Academic Teaching Hospital of the Julius-Maximilian University of Würzburg, Salvatorstrasse 7, Würzburg 97067, Germany
| | - Regina Holl
- Medical Mission Hospital, Department of Internal Medicine, Academic Teaching Hospital of the Julius-Maximilian University of Würzburg, Salvatorstrasse 7, Würzburg 97067, Germany
| | - Gudrun Hübner
- Medical Mission Hospital, Department of Internal Medicine, Academic Teaching Hospital of the Julius-Maximilian University of Würzburg, Salvatorstrasse 7, Würzburg 97067, Germany
| | - Philipp Kolb
- Firestone Institute for Respiratory Health, Department of Medicine, Pathology & Molecular Medicine, McMaster University, 50 Charlton Ave East, T2131, Hamilton, ON L8N 4A6, Canada
| | - Heinz Jakob Langen
- Medical Mission Hospital, Department of Radiology, Academic Teaching Hospital of the Julius-Maximilian University of Würzburg, Salvatorstrasse 7, Würzburg 97067, Germany
| | - Tobias Romen
- Medical Mission Hospital, Department of Internal Medicine, Academic Teaching Hospital of the Julius-Maximilian University of Würzburg, Salvatorstrasse 7, Würzburg 97067, Germany
| | - Franziska Walter
- Medical Mission Hospital, Department of Internal Medicine, Academic Teaching Hospital of the Julius-Maximilian University of Würzburg, Salvatorstrasse 7, Würzburg 97067, Germany
| | - Hans Joachim Schäfers
- University Hospital Homburg Saar, Clinic for Thoracic and Cardiovascular Surgery, Kirrberger Strasse, Homburg, Saar D 66421, Germany
| | - Heinrike Wilkens
- Department of Internal Medicine V, Respiratory and Critical Care Medicine, University Hospital Homburg Saar, Kirrberger Strasse, Homburg, Saar D 66421, Germany
| | - Berthold Jany
- Medical Mission Hospital, Department of Internal Medicine, Academic Teaching Hospital of the Julius-Maximilian University of Würzburg, Salvatorstrasse 7, Würzburg 97067, Germany
| |
Collapse
|
26
|
Mercier O, Fadel E, Mussot S, Fabre D, Ladurie FL, Angel C, Brenot P, Riou JY, Bourkaib R, Lehouerou D, Musat A, Stephan F, Rohnean A, Jaïs X, Humbert M, Sitbon O, Simonneau G, Dartevelle P. [Surgical treatment of chronic thromboembolic pulmonary hypertension]. Presse Med 2014; 43:994-1007. [PMID: 25154908 DOI: 10.1016/j.lpm.2014.07.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2014] [Accepted: 07/09/2014] [Indexed: 10/24/2022] Open
Abstract
Chronic thromboembolic pulmonary hypertension is a rare but underdiagnosed disease. The development of imaging played a crucial role for the screening and the decision of operability over the past few years. Indeed, chronic thromboembolic pulmonary hypertension is the only type of pulmonary hypertension with a potential curative treatment: pulmonary endarterectomy. It is a complexe surgical procedure performed under cardiopulmonary bypass with deep hypothermia and circulatory arrest. The aim of the procedure is to completely remove the scar tissue inside the pulmonary arteries down to the segmental and sub-segmental levels. Compared to lung transplantation, which carries a postoperative mortality of 15-20% and a 5-year survival of 50%, pulmonary endarterectomy is a curative treatment with a postoperative mortality of less than 3%. However, lung transplantation remains an option for young patients with inoperable distal disease or after pulmonary endarterectomy failure. Considering that medical history of deep venous thrombosis or pulmonary embolism is lacking in 25 to 50%, the diagnosis of chronic thromboembolic pulmonary hypertension remains challenging. The lung V/Q scan is useful for the diagnosis showing ventilation and perfusion mismatches. Lesions located at the level of the pulmonary artery, the lobar or segmental arteries may be accessible to surgical removal. The pulmonary angiogram with the lateral view and the pulmonary CT scan help to determine the level of the intravascular lesions. If there is a correlation between the vascular obstruction assessed by imaging and the pulmonary resistance, pulmonary endarterectomy carries a postoperative mortality of less than 3% and has a high rate of success. If the surgery is performed at a later stage of the disease, pulmonary arteriolitis developed mainly in unobstructed territories and participated in the elevated vascular resistance. At this stage, postoperative risk is higher.
Collapse
Affiliation(s)
- Olaf Mercier
- Hôpital Marie-Lannelongue, université Paris-sud, département de chirurgie thoracique vasculaire et transplantation cardiopulmonaire, 133, avenue de la Résistance, 92350 Le Plessis-Robinson, France
| | - Elie Fadel
- Hôpital Marie-Lannelongue, université Paris-sud, département de chirurgie thoracique vasculaire et transplantation cardiopulmonaire, 133, avenue de la Résistance, 92350 Le Plessis-Robinson, France
| | - Sacha Mussot
- Hôpital Marie-Lannelongue, université Paris-sud, département de chirurgie thoracique vasculaire et transplantation cardiopulmonaire, 133, avenue de la Résistance, 92350 Le Plessis-Robinson, France
| | - Dominique Fabre
- Hôpital Marie-Lannelongue, université Paris-sud, département de chirurgie thoracique vasculaire et transplantation cardiopulmonaire, 133, avenue de la Résistance, 92350 Le Plessis-Robinson, France
| | - François-Leroy Ladurie
- Hôpital Marie-Lannelongue, université Paris-sud, département de chirurgie thoracique vasculaire et transplantation cardiopulmonaire, 133, avenue de la Résistance, 92350 Le Plessis-Robinson, France
| | - Claude Angel
- Hôpital Marie-Lannelongue, université Paris-sud, département d'imagerie et de radiologie interventionnelle, 92350 Le Plessis-Robinson, France
| | - Philippe Brenot
- Hôpital Marie-Lannelongue, université Paris-sud, département d'imagerie et de radiologie interventionnelle, 92350 Le Plessis-Robinson, France
| | - Jean-Yves Riou
- Hôpital Marie-Lannelongue, université Paris-sud, département d'imagerie et de radiologie interventionnelle, 92350 Le Plessis-Robinson, France
| | - Riad Bourkaib
- Hôpital Marie-Lannelongue, université Paris-sud, département d'imagerie et de radiologie interventionnelle, 92350 Le Plessis-Robinson, France
| | - Daniel Lehouerou
- Hôpital Marie-Lannelongue, université Paris-sud, département de chirurgie thoracique vasculaire et transplantation cardiopulmonaire, 133, avenue de la Résistance, 92350 Le Plessis-Robinson, France
| | - Andy Musat
- Hôpital Marie-Lannelongue, université Paris-sud, département de chirurgie thoracique vasculaire et transplantation cardiopulmonaire, 133, avenue de la Résistance, 92350 Le Plessis-Robinson, France
| | - François Stephan
- Hôpital Marie-Lannelongue, université Paris-sud, département de chirurgie thoracique vasculaire et transplantation cardiopulmonaire, 133, avenue de la Résistance, 92350 Le Plessis-Robinson, France
| | - Adéla Rohnean
- Hôpital Marie-Lannelongue, université Paris-sud, département d'imagerie et de radiologie interventionnelle, 92350 Le Plessis-Robinson, France
| | - Xavier Jaïs
- Assistance publique-Hôpitaux de Paris, hôpital Kremlin-Bicêtre, université Paris-sud, centre de référence national des maladies vasculaires pulmonaires, service de pneumologie et réanimation respiratoire, 94275 Le Kremlin-Bicêtre, France
| | - Marc Humbert
- Assistance publique-Hôpitaux de Paris, hôpital Kremlin-Bicêtre, université Paris-sud, centre de référence national des maladies vasculaires pulmonaires, service de pneumologie et réanimation respiratoire, 94275 Le Kremlin-Bicêtre, France
| | - Olivier Sitbon
- Assistance publique-Hôpitaux de Paris, hôpital Kremlin-Bicêtre, université Paris-sud, centre de référence national des maladies vasculaires pulmonaires, service de pneumologie et réanimation respiratoire, 94275 Le Kremlin-Bicêtre, France
| | - Gérald Simonneau
- Assistance publique-Hôpitaux de Paris, hôpital Kremlin-Bicêtre, université Paris-sud, centre de référence national des maladies vasculaires pulmonaires, service de pneumologie et réanimation respiratoire, 94275 Le Kremlin-Bicêtre, France
| | - Philippe Dartevelle
- Hôpital Marie-Lannelongue, université Paris-sud, département de chirurgie thoracique vasculaire et transplantation cardiopulmonaire, 133, avenue de la Résistance, 92350 Le Plessis-Robinson, France.
| |
Collapse
|
27
|
Abstract
Chronic thromboembolic pulmonary hypertension (CTEPH) is a disease with high mortality and few treatment options. This article reviews the epidemiology of CTEPH and identifies risk factors for its development. The pathobiology and the progression from thromboembolic events to chronically increased right-sided pressures are discussed. The diagnosis and assessment of CTEPH requires several modalities and the role of these is detailed. The pre-operative evaluation assesses peri-operative risk and determines the likelihood of benefit from PTE. Pulmonary thromboendarterectomy (PTE) remains the treatment of choice in appropriate patients. Nonsurgical therapies for CTEPH may provide benefit in patients who cannot be offered surgery.
Collapse
Affiliation(s)
- Peter S Marshall
- Yale University School of Medicine, Section of Pulmonary, Critical Care & Sleep Medicine, 15 York Street, LCI 101, New Haven, CT 06510, USA.
| | | | | |
Collapse
|
28
|
Abstract
Accurate diagnosis of pulmonary arterial hypertension can be challenging and often requires a high index of clinical suspicion. Use of a variety of noninvasive tests can help define the population of patients in whom invasive cardiac catheterization should be pursued. An understanding of the historical, physical exam, electrocardiographic, radiographic, and echocardiographic clues in the diagnosis is important. A ventilation-perfusion scan and careful assessment for left-to-right shunting are mandatory to avoid missing reasons for pulmonary hypertension that may require nonpharmacologic management. Right heart, and sometimes concomitant left heart, catheterization is required to establish the diagnosis and distinguish pulmonary arterial from pulmonary venous hypertension.
Collapse
Affiliation(s)
- Paul R Forfia
- Division of Cardiovascular Medicine, Pulmonary Hypertension and Right Heart Failure Program, Temple University Hospital, 3401 North Broad Street, 9th Floor, Parkinson Pavillion, Philadelphia, PA 19140, USA.
| | | |
Collapse
|
29
|
Tanabe N, Sugiura T, Tatsumi K. Recent progress in the diagnosis and management of chronic thromboembolic pulmonary hypertension. Respir Investig 2013; 51:134-146. [PMID: 23978639 DOI: 10.1016/j.resinv.2013.02.005] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2012] [Revised: 02/14/2013] [Accepted: 02/26/2013] [Indexed: 06/02/2023]
Abstract
Chronic thromboembolic pulmonary hypertension (CTEPH) is a form of pulmonary hypertension caused by non-resolving thromboembolisms of the pulmonary arteries. In Japan, in contrast to Western countries, CTEPH is more prevalent in women. A Japanese multicenter study reported that a form of CTEPH unrelated to deep vein thrombosis is associated with HLA-B⁎5201, suggesting that this form of CTEPH may be associated with vasculopathy. CTEPH can be cured by pulmonary endarterectomy, provided that the thrombi are surgically accessible; thus, early diagnosis is important, and all patients with exertional dyspnea should be evaluated for pulmonary hypertension. Ventilation/perfusion scans provide an excellent non-invasive means to distinguish CTEPH from pulmonary arterial hypertension. Similarly, computed tomographic pulmonary angiograms allow for the detection of thrombi and evaluation of pulmonary hemodynamics in a minimally invasive manner. Importantly, the absence of subpleural perfusion on pulmonary angiograms can suggest the presence of small vessel disease. Small vessel disease might be involved in the pathogenesis of CTEPH, and its detection is essential in preventing operative death. Although no modern therapies for pulmonary arterial hypertension have been approved for treatment of CTEPH, a recent randomized control trial of riociguat in patients with CTEPH demonstrated that riociguat significantly improved 6-min walking distance. Further investigations into treatments that target endothelial dysfunction and hyperproliferative CTEPH cells are needed. Recently, balloon pulmonary angioplasty has emerged as a promising treatment modality in Japan. A specialized medical team, including at least one expert surgeon, should make decisions regarding patients' candidacy for pulmonary endarterectomy and/or balloon pulmonary angioplasty.
Collapse
Affiliation(s)
- Nobuhiro Tanabe
- Department of Respirology, Graduate School of Medicine, Chiba University, 1-8-1, Inohana, Chuo-ku, Chiba 260-8670, Japan.
| | | | | |
Collapse
|
30
|
|
31
|
Human immunodeficiency virus and pulmonary arterial hypertension. ISRN CARDIOLOGY 2013; 2013:903454. [PMID: 24027641 PMCID: PMC3763567 DOI: 10.1155/2013/903454] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2013] [Accepted: 07/23/2013] [Indexed: 11/19/2022]
Abstract
Human immunodeficiency virus- (HIV-) related pulmonary arterial hypertension (PAH) is a rare complication of HIV infection. The pathophysiology of HIV-related PAH is complex, with viral proteins seeming to play the major role. However, other factors, such as coinfection with other microorganisms and HIV-related systemic inflammation, might also contribute. The clinical presentation of HIV-related PAH and diagnosis is similar to other forms of pulmonary hypertension. Both PAH-specific therapies and HAART are important in HIV-related PAH management. Future studies investigating the pathogenesis are needed to discover new therapeutic targets and treatments.
Collapse
|
32
|
Auger WR, Kerr KM, Kim NH, Fedullo PF. Evaluation of patients with chronic thromboembolic pulmonary hypertension for pulmonary endarterectomy. Pulm Circ 2012; 2:155-62. [PMID: 22837856 PMCID: PMC3401869 DOI: 10.4103/2045-8932.97594] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Pulmonary hypertension as a result of chronic thromboembolic disease (CTEPH) is potentially curable with pulmonary endarterectomy surgery. Consequently, correctly diagnosing patients with this type of pulmonary hypertension and evaluating these patients with the goal of establishing their candidacy for surgical intervention is of utmost importance. And as advancements in surgical techniques have allowed successful resection of segmental-level chronic thromboembolic disease, the number of CTEPH patients that are deemed suitable surgical candidates has expanded, making it even more important that the evaluation be conducted with greater precision. This article will review a diagnostic approach to patients with suspected chronic thromboembolic disease with an emphasis on the criteria considered in selecting patients for pulmonary endarterectomy surgery.
Collapse
Affiliation(s)
- William R Auger
- Division of Pulmonary and Critical Care Medicine, University of California, San Diego, California, USA
| | | | | | | |
Collapse
|
33
|
Gabriel Botella F, Labiós Gómez M, Corella Piquer D. [Chronic thromboembolic pulmonary hypertension]. Med Clin (Barc) 2012; 139:215-20. [PMID: 22565100 DOI: 10.1016/j.medcli.2012.02.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2011] [Revised: 02/13/2012] [Accepted: 02/23/2012] [Indexed: 11/16/2022]
|
34
|
Abstract
Pulmonary hypertension is a complex and multidisciplinary disorder. The classification of pulmonary hypertension includes 5 groups. Pulmonary arterial hypertension is a rare disorder that can be idiopathic or heritable in nature, or associated with other conditions, such as scleroderma or congenital heart disease. The recent decades have realized advances in the treatment of this once devastating disease. More commonly, pulmonary hypertension is associated with other disorders, such as those that elevate left heart filling pressures and hypoxemic lung disease. Chronic thromboembolic disease can result in pulmonary hypertension. To determine the etiology, a thorough and methodical evaluation must be completed. Often, an echocardiogram is the first test to suggest the diagnosis of pulmonary hypertension. Studies to identify potential associated causes are important. The diagnostic evaluation culminates in right heart catheterization. Over recent years, advances in therapies, including the prostacyclins, the endothelin receptor antagonists, and the phosphodiesterase type 5 inhibitors, have resulted in an improved quality of life and outlook for patients with what is often a progressive disease.
Collapse
|
35
|
Rajaram S, Swift AJ, Capener D, Telfer A, Davies C, Hill C, Condliffe R, Elliot C, Hurdman J, Kiely DG, Wild JM. Diagnostic accuracy of contrast-enhanced MR angiography and unenhanced proton MR imaging compared with CT pulmonary angiography in chronic thromboembolic pulmonary hypertension. Eur Radiol 2011; 22:310-7. [PMID: 21887483 DOI: 10.1007/s00330-011-2252-x] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2011] [Revised: 06/13/2011] [Accepted: 07/04/2011] [Indexed: 10/17/2022]
Abstract
OBJECTIVE To evaluate the diagnostic accuracy of contrast-enhanced MR angiography (CE-MRA) and the added benefit of unenhanced proton MR angiography compared with CT pulmonary angiography (CTPA) in patients with chronic thromboembolic disease (CTE). METHODS A 2 year retrospective study of 53 patients with chronic thromboembolic pulmonary hypertension who underwent CTPA and MRI for suspected pulmonary hypertension and a control group of 36 patients with no CT evidence of pulmonary embolism. The MRI was evaluated for CTE and the combined diagnostic accuracy of ce-MRA and unenhanced proton MRA was determined. CE-MRA generated lung perfusion maps were also assessed. RESULTS The overall sensitivity and specificity of CE-MRA in diagnosing proximal and distal CTE were 98% and 94%, respectively. The sensitivity improved from 50% to 88% for central vessel disease when CE-MRA images were analysed with unenhanced proton MRA. The CE-MRA identified more stenoses (29/18), post-stenosis dilatation (23/7) and occlusions (37/29) compared with CTPA. The CE-MRA perfusion images showed a sensitivity of 92% for diagnosing CTE. CONCLUSION CE-MRA has high sensitivity and specificity for diagnosing CTE. The sensitivity of CE-MRA for visualisation of adherent central and lobar thrombus significantly improves with the addition of unenhanced proton MRA which delineates the vessel wall.
Collapse
Affiliation(s)
- Smitha Rajaram
- Unit of Academic Radiology, University of Sheffield, Sheffield, UK.
| | | | | | | | | | | | | | | | | | | | | |
Collapse
|
36
|
Soler X, Hoh CK, Test VJ, Kerr KM, Marsh JJ, Morris TA. Single photon emission computed tomography in chronic thromboembolic pulmonary hypertension. Respirology 2011; 16:131-7. [PMID: 20920137 DOI: 10.1111/j.1440-1843.2010.01867.x] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
BACKGROUND AND OBJECTIVE The management of chronic thromboembolic pulmonary hypertension (CTEPH) is largely dependent on the extent of obstruction in the pulmonary arteries. Planar perfusion scans are commonly used to quantify perfusion defects in CTEPH patients. However, planar scans typically under-represent the extent of vascular obstruction in CTEPH. We conducted this study to test the hypothesis that SPECT lung perfusion scans are more accurate than planar scans for determining the location and extent of perfusion defects in patients with CTEPH. METHODS Planar ventilation scans, planar and SPECT perfusion scans were performed preoperatively in patients undergoing pulmonary thromboendarterectomy for treatment of CTEPH. Two clinical experts independently documented the segmental anatomy of the vascular obstructions by reviewing clinical records, pulmonary and CT angiograms, and surgical specimens. A nuclear medicine expert documented the segmental anatomy of the perfusion defects observed by planar and SPECT scans independently. RESULTS Clinical/pathological evaluation disclosed 241 obstructed and 99 unobstructed lung segments in 17 patients. Sensitivity for detecting obstructed segments was significantly higher for SPECT than for planar scanning (63.5 ± 3.1% vs. 42.7 ± 3.2%, respectively; P < 0.01). Specificities of SPECT and planar scanning were not significantly different (62.6 ± 4.8% vs. 76.8 ± 4.2%, respectively; P = 0.092). CONCLUSIONS The SPECT is more sensitive than planar perfusion scanning for identifying obstructed segments in CTEPH. However, even SPECT under-represents the true extent of the vascular occlusions in CTEPH.
Collapse
Affiliation(s)
- Xavier Soler
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of California, UCSD Medical Center, San Diego, California 92103-8377, USA.
| | | | | | | | | | | |
Collapse
|
37
|
Fedullo P, Kerr KM, Kim NH, Auger WR. Chronic Thromboembolic Pulmonary Hypertension. Am J Respir Crit Care Med 2011; 183:1605-13. [DOI: 10.1164/rccm.201011-1854ci] [Citation(s) in RCA: 169] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
|
38
|
Dual-energy CT angiography for assessment of regional pulmonary perfusion in patients with chronic thromboembolic pulmonary hypertension: initial experience. AJR Am J Roentgenol 2011; 196:524-32. [PMID: 21343493 DOI: 10.2214/ajr.10.4842] [Citation(s) in RCA: 107] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
OBJECTIVE This study assessed the utility of dual-energy pulmonary CT angiography (CTA) for noninvasive assessment of regional pulmonary perfusion in patients with chronic thromboembolic pulmonary hypertension (CTEPH). Regional perfusion abnormalities were correlated with hemodynamic parameters and structural abnormalities on pulmonary CTA. SUBJECTS AND METHODS Twenty patients with CTEPH (11 men and nine women; mean age, 61.5 years) underwent pulmonary CTA with a dual-energy technique. Right heart catheterization data were available in 15 cases. Scan parameters were as follows: tube A, 140 kV (75 mA); tube B, 80 kV (300 mA); gantry rotation, 500 milliseconds; pitch, 0.5; and collimation, 14 × 1.2 mm. An iodine map was generated via three-material-decomposition and was scored for extent of hypoperfusion. Correlation was made with mosaic attenuation pattern, extent of vascular obstruction, and right heart hemodynamics. Iodine attenuation values were analyzed within completely occluded, partially occluded, and disease-free lobes. RESULTS A strong correlation existed between dual-energy CT-derived perfusion and mosaic attenuation pattern when both lobar (r > 0.6; n = 20; p < 0.006) and whole-lung scores were assessed (r = 0.77; n = 20; p < 0.001). There was no statistically significant correlation between dual-energy CT perfusion and vascular obstructive index, mean pulmonary artery pressure, or pulmonary vascular resistance (p > 0.08). Of 42 completely occluded lobes, 27 (64%) had demonstrable residual perfusion (mismatching), suggesting that blood supply was maintained via systemic collaterals. CONCLUSION Dual-energy CT can offer a "one-stop" assessment of anatomy and perfusion in CTEPH. The additional information provided by dual-energy CT could have a future role in helping guide patient selection for thromboendarterectomy surgery.
Collapse
|
39
|
Okajima Y, Ohno Y, Washko GR, Hatabu H. Assessment of pulmonary hypertension what CT and MRI can provide. Acad Radiol 2011; 18:437-53. [PMID: 21377593 DOI: 10.1016/j.acra.2011.01.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2010] [Revised: 01/06/2011] [Accepted: 01/12/2011] [Indexed: 01/06/2023]
Abstract
RATIONALES AND OBJECTIVES Pulmonary hypertension (PH) is a life-threatening condition, characterized by elevated pulmonary arterial pressure, which is confirmed based on invasive right heart catheterization (RHC). Noninvasive examinations may support diagnosis of PH before proceeding to RHC and play an important role in management and treatment of the disease. Although echocardiography is considered a standard tool in diagnosis, recent advances have made computed tomography (CT) and magnetic resonance (MR) imaging promising tools, which may provide morphologic and functional information. In this article, we review image-based assessment of PH with a focus on CT and MR imaging. CONCLUSIONS CT may provide useful morphologic information for depicting PH and seeking for underlying diseases. With the accumulated technological advancement, CT and MRI may provide practical tools for not only morphologic but also functional assessment of patients with PH.
Collapse
Affiliation(s)
- Yuka Okajima
- Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA.
| | | | | | | |
Collapse
|
40
|
Jaff MR, McMurtry MS, Archer SL, Cushman M, Goldenberg N, Goldhaber SZ, Jenkins JS, Kline JA, Michaels AD, Thistlethwaite P, Vedantham S, White RJ, Zierler BK. Management of massive and submassive pulmonary embolism, iliofemoral deep vein thrombosis, and chronic thromboembolic pulmonary hypertension: a scientific statement from the American Heart Association. Circulation 2011; 123:1788-830. [PMID: 21422387 DOI: 10.1161/cir.0b013e318214914f] [Citation(s) in RCA: 1457] [Impact Index Per Article: 112.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Venous thromboembolism (VTE) is responsible for the hospitalization of >250 000 Americans annually and represents a significant risk for morbidity and mortality. Despite the publication of evidence-based clinical practice guidelines to aid in the management of VTE in its acute and chronic forms, the clinician is frequently confronted with manifestations of VTE for which data are sparse and optimal management is unclear. In particular, the optimal use of advanced therapies for acute VTE, including thrombolysis and catheter-based therapies, remains uncertain. This report addresses the management of massive and submassive pulmonary embolism (PE), iliofemoral deep vein thrombosis (IFDVT),and chronic thromboembolic pulmonary hypertension (CTEPH). The goal is to provide practical advice to enable the busy clinician to optimize the management of patients with these severe manifestations of VTE. Although this document makes recommendations for management, optimal medical decisions must incorporate other factors, including patient wishes, quality of life, and life expectancy based on age and comorbidities. The appropriateness of these recommendations for a specific patient may vary depending on these factors and will be best judged by the bedside clinician.
Collapse
|
41
|
Abstract
Chronic thromboembolic pulmonary hypertension is one of the few forms of pulmonary hypertension that is surgically curable. It is likely underdiagnosed and must be considered in every patient presenting with pulmonary hypertension to avoid missing the opportunity to cure these patients. This article discusses the epidemiology, risk factors, natural history, diagnosis, and preoperative evaluation of patients with this disorder. Also covered are putative mechanisms for the conversion of acute emboli into fibrosed thrombembolic residua. Mechanical obstruction of the central pulmonary vasculature is rarely the sole cause of the pulmonary hypertension, and a discussion of the small vessel arteriopathy present in these patients is offered. Technical aspects of pulmonary endartectomy and the data supporting its role are discussed, as are the limited data on pulmonary arterial hypertension specific medical therapies for patients deemed noncandidates for the operation.
Collapse
Affiliation(s)
- William R Auger
- Division of Pulmonary and Critical Care Medicine, University of California, San Diego, 9300 Campus Point Drive, La Jolla, CA 92037, USA.
| | | | | |
Collapse
|
42
|
Sanz J, Fernández-Friera L, Moral S. Imaging techniques and the evaluation of the right heart and the pulmonary circulation. Rev Esp Cardiol 2010; 63:209-223. [PMID: 20109418 DOI: 10.1016/s1885-5857(10)70039-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Since the right side of the heart and the pulmonary circulation are regarded as secondary components of the circulatory system, their role in disease has traditionally not received the same attention as their counterparts in the systemic circulation. This was partly because precise noninvasive study of these structures was difficult. For many years, chest radiography and invasive angiography were the only techniques available for imaging the minor circulation. The development of transthoracic echocardiography and nuclear techniques has produced a significant leap forward for noninvasive imaging, particularly of the right ventricle. More recently, novel echocardiographic techniques, and advances in computed tomography and magnetic resonance imaging, in particular, have expanded our diagnostic armamentarium and provided new insights into the anatomy and function of the pulmonary circulation in both health and disease. This article contains a review of the current status of techniques for imaging the right side of the heart and the pulmonary circulation.
Collapse
Affiliation(s)
- Javier Sanz
- The Zena and Michael A. Wiener Cardiovascular Institute and Marie-Josee and Henry R. Kravis Center for Cardiovascular Health, Mount Sinai School of Medicine, New York, NY, USA.
| | | | | |
Collapse
|
43
|
Sanz J, Fernández-Friera L, Moral S. Técnicas de imagen en la evaluación del corazón derecho y la circulación pulmonar. Rev Esp Cardiol 2010. [DOI: 10.1016/s0300-8932(10)70039-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|
44
|
Dual-energy CT for the assessment of contrast material distribution in the pulmonary parenchyma. AJR Am J Roentgenol 2009; 193:144-9. [PMID: 19542406 DOI: 10.2214/ajr.08.1653] [Citation(s) in RCA: 167] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVE The purpose of this study was to assess the feasibility and diagnostic value of dual-energy CT iodine mapping at pulmonary CT angiography. SUBJECTS AND METHODS Ninety-three patients underwent CT angiography with the dual-energy technique on a dual-source CT scanner. Postprocessing was used to map iodine in the lung parenchyma on the basis of its spectral behavior, and image quality was assessed by two readers. Iodine distribution patterns were rated as homogeneous, patchy, or circumscribed defects. Conventional CT angiographic images reconstructed from the same data sets were reviewed for the presence and localization of pulmonary embolism, whether embolic occlusion was partial or complete, and the presence of changes in the lung parenchyma. Dual-energy perfusion findings were correlated with the CT angiographic and lung-window CT findings in per-patient and per-segment analyses. RESULTS Iodine distribution was homogeneous in 49 patients, of whom CT angiography showed no pulmonary embolism in 46 patients and nonocclusive pulmonary emboli in three patients. Images of 29 patients showed a patchy pattern; 24 of these patients had no pulmonary embolism, and five had nonocclusive pulmonary emboli with solely nonocclusive intravascular clots. Images of 15 patients showed segmental or subsegmental defects; four of these patients had evidence of pulmonary embolism, and 11 had occlusive pulmonary emboli with at least one occlusive clot in the pulmonary vasculature. CONCLUSION Dual-energy CT is reliable in the detection of defects in pulmonary parenchymal iodine distribution that correspond to embolic vessel occlusion.
Collapse
|
45
|
Castañer E, Gallardo X, Ballesteros E, Andreu M, Pallardó Y, Mata JM, Riera L. CT Diagnosis of Chronic Pulmonary Thromboembolism. Radiographics 2009; 29:31-50; discussion 50-3. [DOI: 10.1148/rg.291085061] [Citation(s) in RCA: 148] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
|
46
|
|
47
|
|
48
|
Abstract
Accurate diagnosis of pulmonary arterial hypertension is a challenging and complex process that requires a high index of clinical suspicion from even the most astute clinician. This article discusses the use of a variety of noninvasive tests that can help define the population of patients in whom invasive cardiac catheterization should be pursued. It points out the vagaries and limitations of electrocardiography and the radiographic and echocardiographic clues to the diagnosis. Ultimately, right- and, often, concomitant left-heart catheterization is required to establish the diagnosis and distinguish pulmonary arterial hypertension from pulmonary venous hypertension.
Collapse
Affiliation(s)
- Terence K Trow
- Section of Pulmonary and Critical Care Medicine, Division of Internal Medicine, Yale University School of Medicine, 333 Cedar Street, P.O. Box 208057, New Haven, CT 06520-8057, USA.
| | | |
Collapse
|
49
|
Auger WR, Kim NH, Kerr KM, Test VJ, Fedullo PF. Chronic thromboembolic pulmonary hypertension. Clin Chest Med 2007; 28:255-69, x. [PMID: 17338940 DOI: 10.1016/j.ccm.2006.11.009] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
The description of organized thrombus in major pulmonary arteries can be found in autopsy reports dating back to the late nineteenth and early twentieth centuries. Not until the 1950s was the antemortem diagnosis and clinical syndrome of chronic thrombotic obstruction of the major pulmonary arteries better characterized. The first surgical attempt to remove the adherent thrombus from the vessel wall occurred in 1958. This operation provided the conceptual foundation for the distinction between acute and chronic thromboembolic disease of the pulmonary vascular bed, and established that an endarterectomy, and not an embolectomy, would be necessary if a surgical remedy for this disease was to be successful.
Collapse
Affiliation(s)
- William R Auger
- Division of Pulmonary and Critical Care Medicine, University of California, San Diego, 9300 Campus Point Drive, La Jolla, CA 92037, USA.
| | | | | | | | | |
Collapse
|
50
|
Jais X, Dartevelle P, Parent F, Sitbon O, Humbert M, Fadel E, Mussot S, Cabrol S, Le Pavec J, Sztrymf B, Tcherakian C, Musset D, Maitre S, Simonneau G. Hypertension pulmonaire postembolique. Rev Mal Respir 2007; 24:497-508. [PMID: 17468706 DOI: 10.1016/s0761-8425(07)91572-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
INTRODUCTION Chronic thromboembolic pulmonary hypertension (CTEPH) is a rare disease characterized by the persistence of thromboemboli obstructing the pulmonary arteries as an organized tissue. The consequence is an increase in pulmonary vascular resistance resulting in pulmonary hypertension (PH) and progressive right heart failure. BACKGROUND It is difficult to recognize the postembolic nature of PH because there is no known history of thromboembolic disease in more than 50% of cases. Diagnosis is based on the presence of mismatched segmental defects in the ventilation-perfusion scanning. When CTEPH is suspected, pulmonary angiography and high-resolution CT scan are required to establish the diagnosis and to assess the operability. Pulmonary angiography is always performed in conjunction with a diagnostic right heart catheterization, which is required to confirm the diagnosis of PH and to determine the degree of hemodynamic impairement. If there is a good correlation between the pulmonary vascular resistance and the anatomical obstruction, pulmonary endarterectomy (PEA) must be proposed. Otherwise, vasodilator and antiproliferative treatments and lung transplantation represent interesting alternatives. VIEWPOINT AND CONCLUSION PEA remains the treatment of choice for eligible patients. Nevertheless, there is a need to conduct randomized trials to assess the efficacy of novel medical therapies in some situations: (1) in inoperable CTEPH due to distal lesions, (2) before PEA (therapeutic bridge) in patients who are considered "high risk" due to extremely poor hemodynamics, (3) in patients with persistent pulmonary hypertension after surgery.
Collapse
Affiliation(s)
- X Jais
- Centre de Référence de l'Hypertension Artérielle Pulmonaire, Unité Propre de Recherche de l'Enseignement Supérieur EA2705, Hôpital Antoine-Béclère, Université Paris-Sud, Assistance Publique-Hôpitaux de Paris, Clamart, France.
| | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|