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AlShaikh S, Rohm CL, Sutton NR, Burgess SN, Alasnag M. INOCA: Ischemia in non-obstructive coronary arteries. AMERICAN HEART JOURNAL PLUS : CARDIOLOGY RESEARCH AND PRACTICE 2024; 42:100391. [PMID: 38680648 PMCID: PMC11043816 DOI: 10.1016/j.ahjo.2024.100391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 03/29/2024] [Accepted: 04/01/2024] [Indexed: 05/01/2024]
Abstract
This article provides a summary of the clinical spectrum of no obstructive coronary arteries. We describe the pathologies, invasive and noninvasive assessment, and management strategies.
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Affiliation(s)
- Shereen AlShaikh
- Adult Cardiology Department, Mohammed bin Khalifa Cardiac Centre, Riffa, Bahrain
| | - Charlene L. Rohm
- Department of Internal Medicine, Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, TN, United States
| | - Nadia R. Sutton
- Department of Internal Medicine, Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, TN, United States
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN, United States
| | - Sonya N. Burgess
- Cardiology Department, University of Sydney and Nepean Hospital, Sydney, Australia
| | - Mirvat Alasnag
- Cardiac Center, King Fahd Armed Forces Hospital, Jeddah, Saudi Arabia
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2
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Henning RJ. The diagnosis and treatment of women with recurrent cardiac ischemia and normal coronary arteries. Curr Probl Cardiol 2024; 49:102124. [PMID: 37802164 DOI: 10.1016/j.cpcardiol.2023.102124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Accepted: 09/30/2023] [Indexed: 10/08/2023]
Abstract
Cardiac disease is the leading cause of death in women. Among women with recurrent chest pain, abnormal electrocardiograms, and/or stress tests who undergo coronary angiography, as many as 50% have normal or <50% coronary artery obstructive disease. Pharmacologic stress assessment of coronary artery flow reserve in these women frequently demonstrates an inability to increase blood flow to >2.5 times normal flow. Contributory factors include abnormal epicardial or microvascular reactivity, microvascular remodeling or rarefaction, autonomic dysfunction, or coronary plaque rupture/erosion. Assessment is necessary of serum biomarkers and coronary artery flow reserve, fractional flow reserve, microvascular resistance, and epicardial/microvascular spasm. Aggressive treatment of women with positive tests is necessary because these women have an increased incidence of recurrent chest pain, repeated hospitalizations and coronary angiograms, and cardiac death.
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Affiliation(s)
- Robert J Henning
- University of South Florida, 13201 Bruce B. Downs Blvd. Tampa, Florida 33612-3805, United States.
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3
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Smilowitz NR, Prasad M, Widmer RJ, Toleva O, Quesada O, Sutton NR, Lerman A, Reynolds HR, Kesarwani M, Savage MP, Sweeny JM, Janaszek KB, Barseghian El-Farra A, Holoshitz N, Park K, Albadri A, Blair JA, Jeremias A, Kearney KE, Kobayashi Y, Miner SES, Samuels BA, Shah SM, Taqueti VR, Wei J, Fearon WF, Moses JW, Henry TD, Tremmel JA. Comprehensive Management of ANOCA, Part 2-Program Development, Treatment, and Research Initiatives: JACC State-of-the-Art Review. J Am Coll Cardiol 2023; 82:1264-1279. [PMID: 37704316 DOI: 10.1016/j.jacc.2023.06.044] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 06/15/2023] [Indexed: 09/15/2023]
Abstract
Centers specializing in coronary function testing are critical to ensure a systematic approach to the diagnosis and treatment of angina with nonobstructive coronary arteries (ANOCA). Management leveraging lifestyle, pharmacology, and device-based therapeutic options for ANOCA can improve angina burden and quality of life in affected patients. Multidisciplinary care teams that can tailor and titrate therapies based on individual patient needs are critical to the success of comprehensive programs. As coronary function testing for ANOCA is more widely adopted, collaborative research initiatives will be fundamental to improve ANOCA care. These efforts will require standardized symptom assessments and data collection, which will propel future large-scale clinical trials.
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Affiliation(s)
- Nathaniel R Smilowitz
- Leon H. Charney Division of Cardiology, Department of Medicine, NYU Grossman School of Medicine, New York, New York, USA; Cardiology Section, Department of Medicine, VA New York Harbor Healthcare System, New York, New York, USA
| | - Megha Prasad
- Department of Medicine, Division of Cardiology, Columbia University Irving Medical Center, New York City, New York, USA
| | | | - Olga Toleva
- Department of Medicine, Emory University, Atlanta, Georgia, USA
| | - Odayme Quesada
- Women's Heart Center, The Christ Hospital Heart and Vascular Institute, Cincinnati, Ohio, USA; The Carl and Edyth Lindner Center for Research and Education, The Christ Hospital, Cincinnati, Ohio, USA
| | - Nadia R Sutton
- Department of Internal Medicine, Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA; Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee, USA
| | - Amir Lerman
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Harmony R Reynolds
- Sarah Ross Soter Center for Women's Cardiovascular Research, Leon H. Charney Division of Cardiology, NYU Grossman School of Medicine, New York, New York, USA
| | - Manoj Kesarwani
- Division of Cardiovascular Medicine, Department of Internal Medicine, University of California, Davis School of Medicine, Sacramento, California, USA
| | - Michael P Savage
- Department of Medicine, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Joseph M Sweeny
- The Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | | | | | - Noa Holoshitz
- Ascension Columbia St Mary's, Milwaukee, Wisconsin, USA
| | - Ki Park
- Division of Cardiovascular Medicine, University of Florida, Gainesville, Florida, USA
| | - Ahmed Albadri
- Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - John A Blair
- Department of Medicine, University of Chicago Medicine, Chicago, Illinois, USA
| | - Allen Jeremias
- St Francis Hospital & Heart Center, Roslyn, New York, USA
| | - Kathleen E Kearney
- Department of Medicine, University of Washington, Seattle, Washington, USA
| | - Yuhei Kobayashi
- New York Presbyterian Brooklyn Methodist Hospital/Weill Cornell Medical College, New York, New York, USA
| | - Steven E S Miner
- Southlake Regional Medical Centre, Newmarket, Ontario, Canada, School of Kinesiology and Health Science, York University, Toronto, Ontario, Canada; Department of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Bruce A Samuels
- Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - Samit M Shah
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA; Veterans Affairs Connecticut Healthcare System, West Haven, Connecticut USA
| | - Viviany R Taqueti
- Cardiovascular Imaging Program, Departments of Radiology and Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Janet Wei
- Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - William F Fearon
- Division of Cardiovascular Medicine and Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, California, USA; Veterans Affairs Palo Alto Health Care System, Palo Alto, California, USA
| | - Jeffery W Moses
- Department of Medicine, Division of Cardiology, Columbia University Irving Medical Center, New York City, New York, USA; St Francis Hospital & Heart Center, Roslyn, New York, USA
| | - Timothy D Henry
- Carl and Edyth Lindner Center for Research and Education, The Christ Hospital Heart and Vascular Institute, Cincinnati, Ohio, USA
| | - Jennifer A Tremmel
- Department of Medicine, Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford, California, USA.
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4
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Soleymani M, Masoudkabir F, Shabani M, Vasheghani-Farahani A, Behnoush AH, Khalaji A. Updates on Pharmacologic Management of Microvascular Angina. Cardiovasc Ther 2022; 2022:6080258. [PMID: 36382021 PMCID: PMC9626221 DOI: 10.1155/2022/6080258] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 08/29/2022] [Accepted: 10/17/2022] [Indexed: 01/14/2024] Open
Abstract
Microvascular angina (MVA), historically called cardiac syndrome X, refers to angina with nonobstructive coronary artery disease. This female-predominant cardiovascular disorder adds considerable health-related costs due to repeated diagnostic angiography and frequent hospital admissions. Despite the high prevalence of this diagnosis in patients undergoing coronary angiography, it is still a therapeutic challenge for cardiologists. Unlike obstructive coronary artery disease, with multiple evidence-based therapies and management guidelines, little is known regarding the management of MVA. During the last decade, many therapeutic interventions have been suggested for the treatment of MVA. However, there is a lack of summarization tab and update of current knowledge about pharmacologic management of MVA, mostly due to unclear pathophysiology. In this article, we have reviewed the underlying mechanisms of MVA and the outcomes of various medications in patients with this disease. Contrary to vasospastic angina in which normal angiogram is observed as well, nitrates are not effective in the treatment of MVA. Beta-blockers and calcium channel blockers have the strongest evidence of improving the symptoms. Moreover, the use of angiotensin-converting enzyme inhibitors or angiotensin receptor blockers, statins, estrogen, and novel antianginal drugs has had promising outcomes. Investigations are still ongoing for vitamin D, omega-3, incretins, and n-acetyl cysteine, which have resulted in beneficial initial outcomes. We believe that the employment of the available results and results of the future large-scale trials into cardiac care guidelines would help reduce the global cost of cardiac care tremendously.
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Affiliation(s)
- Mosayeb Soleymani
- Students' Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Farzad Masoudkabir
- Cardiac Primary Prevention Research Center, Cardiovascular Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran
- Department of Cardiac Electrophysiology, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahsima Shabani
- Division of Cardiology, Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Ali Vasheghani-Farahani
- Cardiac Primary Prevention Research Center, Cardiovascular Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran
- Department of Cardiac Electrophysiology, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Amir Hossein Behnoush
- Students' Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
- Cardiac Primary Prevention Research Center, Cardiovascular Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran
- Non-Communicable Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Amirmohammad Khalaji
- Students' Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
- Cardiac Primary Prevention Research Center, Cardiovascular Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran
- Non-Communicable Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
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5
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Prakash RO, Chakrala TS, Feuer DS, Valdes CA, Pepine CJ, Keeley EC. Critical role of the coronary microvasculature in heart disease: From pathologic driving force to "innocent" bystander. AMERICAN HEART JOURNAL PLUS : CARDIOLOGY RESEARCH AND PRACTICE 2022; 22:100215. [PMID: 38558907 PMCID: PMC10978433 DOI: 10.1016/j.ahjo.2022.100215] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 09/30/2022] [Indexed: 04/04/2024]
Abstract
The coronary microvasculature is responsible for providing oxygen and nutrients to myocardial tissue. A healthy microvasculature with an intact and properly functioning endothelium accomplishes this by seemless changes in vascular tone to match supply and demand. Perturbations in the normal physiology of the microvasculature, including endothelial and/or vascular smooth muscle dysfunction, result in impaired function (vasoconstriction, antithrombotic, etc.) and structural (hypertrophic, fibrotic) abnormalities that lead to microvascular ischemia and potential organ damage. While coronary microvascular dysfunction (CMD) is the primary pathologic driving force in ischemia with non-obstructive coronary artery disease (INOCA), angina with no obstructive coronary arteries (ANOCA), and myocardial infarction with non-obstructed coronary arteries (MINOCA), it may be a bystander in many cardiac disorders which later become pathologically associated with signs and/or symptoms of myocardial ischemia. Importantly, regardless of the primary or secondary basis of CMD in the heart, it is associated with important increases in morbidity and mortality. In this review we discuss salient features pertaining to known pathophysiologic mechanisms driving CMD, the spectrum of heart diseases where it places a critical role, invasive and non-invasive diagnostic testing, management strategies, and the gaps in knowledge where future research efforts are needed.
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Affiliation(s)
- Roshni O. Prakash
- Department of Medicine, University of Florida, Gainesville, FL, United States of America
| | - Teja S. Chakrala
- Department of Medicine, University of Florida, Gainesville, FL, United States of America
| | - Daniel S. Feuer
- Department of Medicine, University of Florida, Gainesville, FL, United States of America
| | - Carlos A. Valdes
- Department of Medicine, University of Florida, Gainesville, FL, United States of America
| | - Carl J. Pepine
- Department of Medicine, University of Florida, Gainesville, FL, United States of America
- Division of Cardiovascular Medicine, University of Florida, Gainesville, FL, United States of America
| | - Ellen C. Keeley
- Department of Medicine, University of Florida, Gainesville, FL, United States of America
- Division of Cardiovascular Medicine, University of Florida, Gainesville, FL, United States of America
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6
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Abstract
Up to half of patients undergoing elective coronary angiography for the investigation of chest pain do not present with evidence of obstructive coronary artery disease. These patients are often discharged with a diagnosis of non-cardiac chest pain, yet many could have an ischaemic basis for their symptoms. This type of ischaemic chest pain in the absence of obstructive coronary artery disease is referred to as INOCA (ischaemia with non-obstructive coronary arteries). This comprehensive review of INOCA management looks at why these patients require treatment, who requires treatment based on diagnostic evaluation, what clinical treatment targets should be considered, how to treat patients using a personalised medicine approach, when to initiate treatment, and where future research is progressing.
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Affiliation(s)
- John F Beltrame
- Adelaide Medical School, University of Adelaide, Queen Elizabeth Hospital Campus, Woodville South, Adelaide, SA, Australia
- Department of Cardiology, Central Adelaide Local Health Network, SA Health, Adelaide, SA, Australia
- Basil Hetzel Institute for Translational Health Research, Queen Elizabeth Hospital, Woodville South, Adelaide, SA, Australia
| | - Rosanna Tavella
- Adelaide Medical School, University of Adelaide, Queen Elizabeth Hospital Campus, Woodville South, Adelaide, SA, Australia
- Department of Cardiology, Central Adelaide Local Health Network, SA Health, Adelaide, SA, Australia
- Basil Hetzel Institute for Translational Health Research, Queen Elizabeth Hospital, Woodville South, Adelaide, SA, Australia
| | - Dione Jones
- Adelaide Medical School, University of Adelaide, Queen Elizabeth Hospital Campus, Woodville South, Adelaide, SA, Australia
- Department of Cardiology, Central Adelaide Local Health Network, SA Health, Adelaide, SA, Australia
| | - Chris Zeitz
- Adelaide Medical School, University of Adelaide, Queen Elizabeth Hospital Campus, Woodville South, Adelaide, SA, Australia
- Department of Cardiology, Central Adelaide Local Health Network, SA Health, Adelaide, SA, Australia
- Basil Hetzel Institute for Translational Health Research, Queen Elizabeth Hospital, Woodville South, Adelaide, SA, Australia
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7
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Padro T, Manfrini O, Bugiardini R, Canty J, Cenko E, De Luca G, Duncker DJ, Eringa EC, Koller A, Tousoulis D, Trifunovic D, Vavlukis M, de Wit C, Badimon L. ESC Working Group on Coronary Pathophysiology and Microcirculation position paper on 'coronary microvascular dysfunction in cardiovascular disease'. Cardiovasc Res 2020; 116:741-755. [PMID: 32034397 DOI: 10.1093/cvr/cvaa003] [Citation(s) in RCA: 130] [Impact Index Per Article: 32.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 11/29/2019] [Accepted: 02/05/2020] [Indexed: 12/12/2022] Open
Abstract
Although myocardial ischaemia usually manifests as a consequence of atherosclerosis-dependent obstructive epicardial coronary artery disease, a significant percentage of patients suffer ischaemic events in the absence of epicardial coronary artery obstruction. Experimental and clinical evidence highlight the abnormalities of the coronary microcirculation as a main cause of myocardial ischaemia in patients with 'normal or near normal' coronary arteries on angiography. Coronary microvascular disturbances have been associated with early stages of atherosclerosis even prior to any angiographic evidence of epicardial coronary stenosis, as well as to other cardiac pathologies such as myocardial hypertrophy and heart failure. The main objectives of the manuscript are (i) to provide updated evidence in our current understanding of the pathophysiological consequences of microvascular dysfunction in the heart; (ii) to report on the current knowledge on the relevance of cardiovascular risk factors and comorbid conditions for microcirculatory dysfunction; and (iii) to evidence the relevance of the clinical consequences of microvascular dysfunction. Highlighting the clinical importance of coronary microvascular dysfunction will open the field for research and the development of novel strategies for intervention will encourage early detection of subclinical disease and will help in the stratification of cardiovascular risk in agreement with the new concept of precision medicine.
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Affiliation(s)
- Teresa Padro
- Cardiovascular Program-ICCC, Research Institute Hospital Santa Creu i Sant Pau, Barcelona, Spain.,Centro de Investigación Biomédica en Red Cardiovascular (CIBERCV) Instituto de Salud Carlos III, Madrid, Spain.,Cardiovascular Research Chair, Autonomous University Barcelona (UAB), Barcelona, Spain
| | - Olivia Manfrini
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
| | - Raffaele Bugiardini
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
| | - John Canty
- Division of Cardiology, Department of Medicine, State University of New York at Buffalo, Buffalo, NY, USA
| | - Edina Cenko
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
| | - Giuseppe De Luca
- Division of Cardiology, Maggiore della Carità Hospital, Eastern Piedmont University, Novara, Italy
| | - Dirk J Duncker
- Division of Experimental Cardiology, Department of Cardiology, Thoraxcenter, Cardiovascular Research Institute COEUR, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Etto C Eringa
- Department of Physiology, Amsterdam Cardiovascular Science Institute, Amsterdam University Medical Centres, Amsterdam, The Netherlands
| | - Akos Koller
- Department of Translational Medicine, Faculty of Medicine, Semmelweis University, Budapest, Hungary.,Department of Physiology, New York Medical College, Valhalla, NY, USA
| | - Dimitris Tousoulis
- First Department of Cardiology, Hippokration Hospital, University of Athens Medical School, Athens, Greece
| | - Danijela Trifunovic
- Department of Cardiology, University Clinical Center of Serbia; and School of Medicine, University of Belgrade, Belgrade, Serbia
| | - Marija Vavlukis
- University Clinic of Cardiology, Medical Faculty, Ss' Cyril and Methodius University, Skopje, Republic of Macedonia
| | - Cor de Wit
- Institut für Physiologie, Universität zu Lübeck, Lübeck, Germany.,DZHK (German Center for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Lübeck, Germany
| | - Lina Badimon
- Cardiovascular Program-ICCC, Research Institute Hospital Santa Creu i Sant Pau, Barcelona, Spain.,Centro de Investigación Biomédica en Red Cardiovascular (CIBERCV) Instituto de Salud Carlos III, Madrid, Spain.,Cardiovascular Research Chair, Autonomous University Barcelona (UAB), Barcelona, Spain
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8
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Manfrini O, Amaduzzi P, Bergami M, Cenko E. Effects of Statin Treatment on Patients with Angina and Normal or Nearly Normal Angiograms. Eur Cardiol 2020; 15:e15. [PMID: 32373188 PMCID: PMC7199123 DOI: 10.15420/ecr.2019.15] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 01/08/2020] [Indexed: 11/25/2022] Open
Abstract
This article offers an updated and comprehensive overview of major findings on the effects of statin treatment in patients with chronic angina but without any epicardial coronary artery with obstructive lesion.
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Affiliation(s)
- Olivia Manfrini
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna Bologna, Italy
| | - Peter Amaduzzi
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna Bologna, Italy
| | - Maria Bergami
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna Bologna, Italy
| | - Edina Cenko
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna Bologna, Italy
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Solberg OG, Stavem K, Ragnarsson A, Beitnes JO, Skårdal R, Seljeflot I, Ueland T, Aukrust P, Gullestad L, Aaberge L. Index of microvascular resistance to assess the effect of rosuvastatin on microvascular function in women with chest pain and no obstructive coronary artery disease: A double-blind randomized study. Catheter Cardiovasc Interv 2019; 94:660-668. [PMID: 30790446 DOI: 10.1002/ccd.28157] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Revised: 01/19/2019] [Accepted: 02/06/2019] [Indexed: 01/01/2023]
Abstract
INTRODUCTION Many women undergoing coronary angiography for chest pain have no or only minimal coronary artery disease (CAD). However, despite the lack of obstructive CAD, they still have an increased risk of major adverse cardiovascular events. Pleiotropic effects of statins may influence microvascular function, but if statins improve microvascular function in unselected chest pain patients is not well studied. This study assessed microvascular function by using the thermodilution-derived test "the index of microvascular resistance" (IMR) with the aim of determining the (i) IMR level in women with chest pain and non-obstructive CAD and if (ii) IMR is modified by high-dose statin treatment in these patients. Additional objectives were to identify the influence of statins on the health status as assessed with generic health questionnaires and on biomarkers of endothelial activation. MATERIALS AND METHODS The study was a randomized, double-blind, single-center trial comparing 6 months of rosuvastatin treatment with placebo. In total, 66 women without obstructive CAD were included. Mean age was 52.7 years and 55.5 years in the placebo and rosuvastatin group, respectively. Microvascular function was assessed using the IMR, health status was assessed using the SF-36 and EQ-5D questionnaires, and biochemical values were assessed at baseline and 6 months later. RESULTS AND CONCLUSIONS In the placebo group IMR was 14.6 (SD 5.7) at baseline and 14.4 (SD 6.5) at follow-up. In the rosuvastatin group IMR was 16.5 (SD 7.5) at baseline and 14.2 (SD 5.8) at follow-up. IMR did not differ significantly between the two study groups at follow-up controlled for preintervention values. C-reactive protein (CRP) was comparable between the groups at baseline, while at follow-up CRP was significantly lower in the rosuvastatin group compared to placebo [0.6 (±0.5) mg/L vs. 2.6 (±3.0) mg/L; p = 0.002]. Whereas rosuvastatin treatment for 6 months attenuated CRP levels, it did not improve microvascular function as assessed by IMR (Clinical Trials.gov NCT01582165, EUDRACT 2011-002630-39.3tcAZ).
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Affiliation(s)
- Ole Geir Solberg
- Department of Cardiology, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Knut Stavem
- Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway.,Department of Pulmonary Medicine, Akershus University Hospital, Lørenskog, Norway.,Department of Health Services Research, Akershus University Hospital, Lørenskog, Norway
| | - Asgrimur Ragnarsson
- Department of Radiology, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Jan-Otto Beitnes
- Department of Cardiology, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Rita Skårdal
- Department of Cardiology, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Ingebjørg Seljeflot
- Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway.,Center for Clinical Heart Research, Department of Cardiology, Oslo University Hospital, Ullevål, Oslo, Norway
| | - Thor Ueland
- Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway.,K.G. Jebsen TREC, University of Tromsø, Tromsø, Norway.,Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Pål Aukrust
- Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway.,Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway.,Section of Clinical Immunology and Infectious Diseases, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Lars Gullestad
- Department of Cardiology, Oslo University Hospital, Rikshospitalet, Oslo, Norway.,Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway.,K.G. Jebsen Cardiac Research Centre and Centre for Heart Failure Research, Faculty of Medicine, Oslo University Hospital, Oslo, Norway
| | - Lars Aaberge
- Department of Cardiology, Oslo University Hospital, Rikshospitalet, Oslo, Norway
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10
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Makarović Z, Makarović S, Bilić-Ćurčić I, Mihaljević I, Mlinarević D. NONOBSTRUCTIVE CORONARY ARTERY DISEASE - CLINICAL RELEVANCE, DIAGNOSIS, MANAGEMENT AND PROPOSAL OF NEW PATHOPHYSIOLOGICAL CLASSIFICATION. Acta Clin Croat 2018; 57:528-541. [PMID: 31168187 PMCID: PMC6536284 DOI: 10.20471/acc.2018.57.03.17] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
SUMMARY – New data gathered from large clinical trials indicate that nonobstructive coronary artery disease (non-CAD) is a clinical entity that should not be ignored. It is estimated that 50% of female population undergoing coronarography are diagnosed with non-CAD. There is also an increase in the prevalence of non-CAD in both genders, which is probably due to gradual expanding of clinical indications for angiography in patients with angina. Furthermore, considering the increased mortality risk established recently, a prognosis of non-CAD is not benign as previously thought. However, the concept and definition of non-CAD remains elusive causing difficulties in diagnosis and treatment. One of the major shortcomings is the exclusion-based diagnosis of non-CAD. Furthermore, treatment of non-CAD still presents a great challenge and optimal therapy is yet to be determined. There are two major hypotheses explaining the pathophysiological mechanisms of non-CAD, i.e. ischemic hypothesis based on abnormal microvascular dysfunction and non-ischemic one based on altered pain perception. This review encompasses a broader spectrum of pathophysiological mechanisms of non-CAD, and proposes a new way of classification based on the major disorder involved: type I (ischemic mechanisms) and type II (non-ischemic mechanisms), depending on which mechanism predominates. Hopefully, this would provide new insights in the understanding of this disorder, thus leading to accurate and early diagnosis and successful treatment, especially considering the increased mortality risk in these patients.
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Affiliation(s)
| | - Sandra Makarović
- 1Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia; 2Department of Cardiology, Osijek University Hospital Centre, Osijek, Croatia; 3Department of Pharmacology, Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia; 4Department of Nuclear Medicine and Radiation Protection, Osijek University Hospital Centre, Osijek, Croatia
| | - Ines Bilić-Ćurčić
- 1Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia; 2Department of Cardiology, Osijek University Hospital Centre, Osijek, Croatia; 3Department of Pharmacology, Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia; 4Department of Nuclear Medicine and Radiation Protection, Osijek University Hospital Centre, Osijek, Croatia
| | - Ivan Mihaljević
- 1Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia; 2Department of Cardiology, Osijek University Hospital Centre, Osijek, Croatia; 3Department of Pharmacology, Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia; 4Department of Nuclear Medicine and Radiation Protection, Osijek University Hospital Centre, Osijek, Croatia
| | - Dražen Mlinarević
- 1Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia; 2Department of Cardiology, Osijek University Hospital Centre, Osijek, Croatia; 3Department of Pharmacology, Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia; 4Department of Nuclear Medicine and Radiation Protection, Osijek University Hospital Centre, Osijek, Croatia
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Lanza GA, De Vita A, Kaski JC. 'Primary' Microvascular Angina: Clinical Characteristics, Pathogenesis and Management. Interv Cardiol 2018; 13:108-111. [PMID: 30443265 PMCID: PMC6234490 DOI: 10.15420/icr.2018.15.2] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Accepted: 08/06/2018] [Indexed: 01/20/2023] Open
Abstract
Microvascular angina (MVA), i.e. angina caused by abnormalities of the coronary microcirculation, is increasingly recognised in clinical practice. The pathogenetic mechanisms of MVA are heterogeneous and may involve both structural and functional alterations of coronary microcirculation, and functional abnormalities may variably involve an impairment of coronary microvascular dilatation and an increased microvascular constrictor activity. Both invasive and non-invasive diagnostic tools exist to identify patients with MVA in clinical practice. Prognosis has been reported to be good in primary MVA patients, although the prognostic implications of coronary microvascular dysfunction (CMVD) in more heterogeneous populations of angina patients need further assessment. Management of primary MVA can be challenging, but pharmacological and non-pharmacological treatments exist that allow satisfactory control of symptoms in most patients.
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Affiliation(s)
- Gaetano Antonio Lanza
- Institute of Cardiology, Università Cattolica del Sacro Cuore, Fondazione Policlinico A. Gemelli Rome, Italy
| | - Antonio De Vita
- Institute of Cardiology, Università Cattolica del Sacro Cuore, Fondazione Policlinico A. Gemelli Rome, Italy
| | - Juan-Carlos Kaski
- Molecular and Clinical Sciences Research Institute, St George's, University of London London, UK
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12
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Pharmacologic Treatment of Patients With Myocardial Ischemia With No Obstructive Coronary Artery Disease. Am J Cardiol 2018; 121:888-895. [PMID: 29394999 DOI: 10.1016/j.amjcard.2017.12.025] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Revised: 12/15/2017] [Accepted: 12/27/2017] [Indexed: 12/21/2022]
Abstract
Half of women and 1/3 of men with angina and ischemia on stress testing have ischemia with no obstructive coronary artery disease (INOCA). These patients have quality of life (QoL) impairment comparable with patients with obstructive coronary artery disease. Clinicians generally treat INOCA with traditional antianginal agents despite previous studies demonstrating variable response to these medications. We performed a systematic review to evaluate the efficacy and safety of available pharmacologic therapies for INOCA. We systematically searched the Cochrane Central Register of Controlled Trials, Embase, MEDLINE, and the World Health Organization International Clinical Trials Registry Platform in July 2017 for randomized controlled trials (RCTs) evaluating pharmacologic agents for INOCA. The primary outcome of interest was QoL. Secondary outcomes included subjective and objective efficacy measures and safety outcomes. We included 35 RCTs from 333 identified studies. Interventions that improved QoL with moderate-quality evidence included angiotensin-converting enzyme (ACE) inhibitor (±statin) and ranolazine. Low-to-very-low-quality evidence also suggests that ACE inhibitors, β blockers, calcium-channel blockers, nicorandil, ranolazine, and statins may decrease angina frequency and delay ischemia on stress testing. Other interventions, most notably nitrates, did not significantly improve any outcome. In conclusion, evidence for pharmacologic treatment of INOCA is generally poor, and higher-quality RCTs using a standardized definition of INOCA are needed. Moderate-quality evidence suggests that ACE inhibitors and ranolazine improve QoL. Other interventions had low-quality evidence or no evidence of efficacy.
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Ryngach ЕА, Treshkur TV, Tatarinova AA, Shlyakhto EV. [Algorithm for the management of patients with stable coronary artery disease and high-grade ventricular arrhythmias]. TERAPEVT ARKH 2017. [PMID: 28635905 DOI: 10.17116/terarkh201789194-102] [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: 11/17/2022]
Abstract
The paper gives an original algorithm for the management of patients with stable coronary artery disease, preserved/moderately reduced left ventricular systolic function, and high-grade ventricular arrhythmias from the first registration of the latter to the choice of treatment policy. Great attention is paid to the assessment of a private clinical case, by determining the nature of arrhythmias, and to the involvement of autonomic regulation in the genesis of ventricular arrhythmias. The importance of topical diagnosis of ventricular arrhythmias and identification of psychological disorders is emphasized. Diagnostic problems are solved in a step-by-step fashion using up-to-date techniques. The key point of the algorithm proposed is to prevent sudden cardiac death.
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Affiliation(s)
- Е А Ryngach
- North-West Federal Medical Research Center, Ministry of Health of Russia, Saint Petersburg, Russia
| | - T V Treshkur
- North-West Federal Medical Research Center, Ministry of Health of Russia, Saint Petersburg, Russia
| | - A A Tatarinova
- North-West Federal Medical Research Center, Ministry of Health of Russia, Saint Petersburg, Russia
| | - E V Shlyakhto
- North-West Federal Medical Research Center, Ministry of Health of Russia, Saint Petersburg, Russia
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14
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Kabaklić A, Fras Z. Moderate-dose atorvastatin improves arterial endothelial function in patients with angina pectoris and normal coronary angiogram: a pilot study. Arch Med Sci 2017; 13:827-836. [PMID: 28721151 PMCID: PMC5510500 DOI: 10.5114/aoms.2017.68238] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2016] [Accepted: 11/08/2016] [Indexed: 01/03/2023] Open
Abstract
INTRODUCTION Endothelial dysfunction could contribute to the pathophysiology of angina pectoris (AP) in patients with normal coronary angiograms. Besides lipid-lowering effects, statins exert pleiotropic effects including improving endothelial function. MATERIAL AND METHODS Our double-blind study included 58 patients with AP, noninvasively confirmed myocardial ischemia and a normal coronary angiogram. The effect of once-daily 20 mg atorvastatin (A) was compared with placebo (P) for 6 months. Endothelial function was evaluated by flow-mediated dilation (FMD) of the brachial artery, and microcirculation by peripheral arterial tonometry (EndoPAT) measuring the reactive hyperemia index (RHI), indicating microcirculatory endothelial function, and the augmentation index (AI), an indicator of arterial stiffness. The impact of AP on the quality of life was monitored using the Seattle Angina Questionnaire (SAQ). RESULTS Brachial artery endothelial dysfunction was found in 91.4% of patients at study entry, and subnormal RHI in 41%. Group A showed an improvement of FMD compared with group P, both at 3 and 6 months (+120.8% vs. -21.2%, and +70.8% vs. -1.9%, respectively, p < 0.001). No difference was detected in the RHI. Rate-normalized AI showed an improvement (-114.49% group A vs. -30.77% group P, p = 0.077), although the differences between the groups were not significant. According to the SAQ, an improvement was found in almost all observed variables with the exception of the issue of quality of life (QoL), where patients in both groups assessed their QoL at the control study visits as poorer compared with baseline. CONCLUSIONS Moderate-dose atorvastatin therapy improves endothelial function of large conduit arteries in patients with AP and a normal coronary angiogram, which probably reflects positive effects on coronary artery endothelial function. No effect was found with vascular effects at the level of the peripheral microcirculation.
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Affiliation(s)
- Amela Kabaklić
- Department of Hypertension, University Medical Centre Ljubljana, Ljubljana, Slovenia
| | - Zlatko Fras
- Centre for Preventive Cardiology, Department of Vascular Medicine, Division of Medicine, University Medical Centre Ljubljana, Ljubljana, Slovenia
- Chair of Internal Medicine, Medical Faculty, University of Ljubljana, Ljubljana, Slovenia
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16
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Abstract
Cardiac Syndrome X (CSX), characterized by angina-like chest discomfort, ST segment depression during exercise, and normal epicardial coronary arteries at angiography, is highly prevalent in women. CSX is not benign, and linked to adverse cardiovascular outcomes and a poor quality of life. Coronary microvascular and endothelial dysfunction and abnormal cardiac nociception have been implicated in the pathogenesis of CSX. Treatment includes life-style modification, anti-anginal, anti-atherosclerotic, and anti-ischemic medications. Non-pharmacological options include cognitive behavioral therapy, enhanced external counterpulsation, neurostimulation, and stellate ganglionectomy. Studies have shown the efficacy of individual treatments but guidelines outlining the best course of therapy are lacking.
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Affiliation(s)
- Shilpa Agrawal
- David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Puja K Mehta
- Department of Medicine, Cedars-Sinai Medical Center, Barbra Streisand Women's Heart Center, Cedars-Sinai Heart Institute, 127 South San Vicente Boulevard, Los Angeles, CA 90048, USA.
| | - C Noel Bairey Merz
- Department of Medicine, Cedars-Sinai Medical Center, Barbra Streisand Women's Heart Center, Cedars-Sinai Heart Institute, 127 South San Vicente Boulevard, Los Angeles, CA 90048, USA
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Shaw J, Anderson T. Coronary endothelial dysfunction in non-obstructive coronary artery disease: Risk, pathogenesis, diagnosis and therapy. Vasc Med 2015; 21:146-55. [PMID: 26675331 DOI: 10.1177/1358863x15618268] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Up to half of patients with signs and symptoms of stable ischemic heart disease have non-obstructive coronary artery disease (NoCAD). Recent evidence demonstrates that two-thirds of patients with NoCAD have demonstrable coronary endothelial dysfunction represented by microvascular or diffuse epicardial spasm following acetylcholine challenge. Patients with coronary endothelial dysfunction are recognized to have significant health services use and morbidity as well as increased risk of developing flow-limiting coronary artery disease and myocardial events, including death. Currently, there are few centers that test for this etiology owing to lack of knowledge, limited evidence for treatment options and invasive diagnostic strategies. This article reviews the pathophysiology, epidemiology, diagnosis and treatment of coronary endothelial dysfunction as a subgroup of NoCAD.
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Affiliation(s)
- Jeffrey Shaw
- Department of Cardiac Sciences, University of Calgary, Faculty of Medicine Health Sciences Centre, Calgary, Alberta, Canada
| | - Todd Anderson
- Department of Cardiac Sciences, University of Calgary, Faculty of Medicine Health Sciences Centre, Calgary, Alberta, Canada
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18
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Scalone G, Niccoli G. A focus on the prognosis and management of ischemic heart disease in patients without evidence of obstructive coronary artery disease. Expert Rev Cardiovasc Ther 2015; 13:1031-44. [DOI: 10.1586/14779072.2015.1077114] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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Ong P, Athanasiadis A, Sechtem U. Pharmacotherapy for coronary microvascular dysfunction. EUROPEAN HEART JOURNAL - CARDIOVASCULAR PHARMACOTHERAPY 2015; 1:65-71. [DOI: 10.1093/ehjcvp/pvu020] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
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20
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Bestetti RB, Restini CBA. Precordial chest pain in patients with chronic Chagas disease. Int J Cardiol 2014; 176:309-14. [PMID: 25127335 DOI: 10.1016/j.ijcard.2014.07.112] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2014] [Revised: 07/21/2014] [Accepted: 07/26/2014] [Indexed: 10/24/2022]
Abstract
Precordial chest pain affects about 15% to 33% of patients with chronic Chagas disease. In the absence of megaesophagus, it should be ascribed to chronic Chagas heart disease. Precordial chest pain is atypical because it can usually neither be associated to physical exercise nor be alleviated by nitroglycerin. However, in certain circumstances, precordial chest pain can masquerade as acute coronary syndrome. Although obstructive coronary artery disease can occasionally be found, microvascular angina seems to be the mechanism behind such phenomenon. Precordial chest pain not always has a benign clinical course; sometimes, it can herald a dismal prognosis. On the basis of cases previously reported, it seems that nitrates, betablockers and/or calcium channel blockers can be of value in the treatment of this condition.
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Affiliation(s)
- Reinaldo B Bestetti
- Medical Course, University of Ribeirão Preto, Brazil. Avenida Costábile Romano, 2201, Ribeirão Preto City 14096-900, Brazil.
| | - Carolina Baraldi A Restini
- Medical Course, University of Ribeirão Preto, Brazil. Avenida Costábile Romano, 2201, Ribeirão Preto City 14096-900, Brazil.
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21
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Abstract
Cardiac Syndrome X (CSX), characterized by angina-like chest discomfort, ST segment depression during exercise, and normal epicardial coronary arteries at angiography, is highly prevalent in women. CSX is not benign, and linked to adverse cardiovascular outcomes and a poor quality of life. Coronary microvascular and endothelial dysfunction and abnormal cardiac nociception have been implicated in the pathogenesis of CSX. Treatment includes life-style modification, anti-anginal, anti-atherosclerotic, and anti-ischemic medications. Non-pharmacological options include cognitive behavioral therapy, enhanced external counterpulsation, neurostimulation, and stellate ganglionectomy. Studies have shown the efficacy of individual treatments but guidelines outlining the best course of therapy are lacking.
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Affiliation(s)
- Shilpa Agrawal
- David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Puja K Mehta
- Department of Medicine, Cedars-Sinai Medical Center, Barbra Streisand Women's Heart Center, Cedars-Sinai Heart Institute, 127 South San Vicente Boulevard, Los Angeles, CA 90048, USA.
| | - C Noel Bairey Merz
- Department of Medicine, Cedars-Sinai Medical Center, Barbra Streisand Women's Heart Center, Cedars-Sinai Heart Institute, 127 South San Vicente Boulevard, Los Angeles, CA 90048, USA
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22
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Montalescot G, Sechtem U, Achenbach S, Andreotti F, Arden C, Budaj A, Bugiardini R, Crea F, Cuisset T, Di Mario C, Ferreira JR, Gersh BJ, Gitt AK, Hulot JS, Marx N, Opie LH, Pfisterer M, Prescott E, Ruschitzka F, Sabaté M, Senior R, Paul Taggart D, van der Wall EE, Vrints CJ, Luis Zamorano J, Achenbach S, Baumgartner H, Bax JJ, Bueno H, Dean V, Deaton C, Erol C, Fagard R, Ferrari R, Hasdai D, Hoes AW, Kirchhof P, Knuuti J, Kolh P, Lancellotti P, Linhart A, Nihoyannopoulos P, Piepoli MF, Ponikowski P, Anton Sirnes P, Luis Tamargo J, Tendera M, Torbicki A, Wijns W, Windecker S, Knuuti J, Valgimigli M, Bueno H, Claeys MJ, Donner-Banzhoff N, Erol C, Frank H, Funck-Brentano C, Gaemperli O, González-Juanatey JR, Hamilos M, Hasdai D, Husted S, James SK, Kervinen K, Kolh P, Dalby Kristensen S, Lancellotti P, Pietro Maggioni A, Piepoli MF, Pries AR, Romeo F, Rydén L, Simoons ML, Anton Sirnes P, Gabriel Steg P, Timmis A, Wijns W, Windecker S, Yildirir A, Luis Zamorano J. Guía de Práctica Clínica de la ESC 2013 sobre diagnóstico y tratamiento de la cardiopatía isquémica estable. Rev Esp Cardiol 2014. [DOI: 10.1016/j.recesp.2013.11.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Abstract
Microvascular angina (MVA) is defined as angina pectoris caused by abnormalities of small coronary arteries. In its most typical presentation, MVA is characterized by angina attacks mainly caused by effort, evidence of myocardial ischemia on non-invasive stress tests, but normal coronary arteries at angiography. Patients with stable MVA have excellent long-term prognoses, but often present with persistent and/or worsening of angina symptoms. Treatment of MVA is initially based on standard anti-ischemic drugs (beta-blockers, calcium antagonists, and nitrates), but control of symptoms is often insufficient. In these cases, several additional drugs, with different potential anti-ischemic effects, have been proposed, including ranolazine, ivabradine, angiotensin-converting enzyme (ACE) inhibitors, xanthine derivatives, nicorandil, statins, alpha-blockers and, in perimenopausal women, estrogens. In patients with 'refractory MVA', some further alternative therapies (e.g., spinal cord stimulation, pain-inhibiting substances such as imipramine, rehabilitation programs) have shown favorable results.
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Montalescot G, Sechtem U, Achenbach S, Andreotti F, Arden C, Budaj A, Bugiardini R, Crea F, Cuisset T, Di Mario C, Ferreira JR, Gersh BJ, Gitt AK, Hulot JS, Marx N, Opie LH, Pfisterer M, Prescott E, Ruschitzka F, Sabaté M, Senior R, Taggart DP, van der Wall EE, Vrints CJM, Zamorano JL, Achenbach S, Baumgartner H, Bax JJ, Bueno H, Dean V, Deaton C, Erol C, Fagard R, Ferrari R, Hasdai D, Hoes AW, Kirchhof P, Knuuti J, Kolh P, Lancellotti P, Linhart A, Nihoyannopoulos P, Piepoli MF, Ponikowski P, Sirnes PA, Tamargo JL, Tendera M, Torbicki A, Wijns W, Windecker S, Knuuti J, Valgimigli M, Bueno H, Claeys MJ, Donner-Banzhoff N, Erol C, Frank H, Funck-Brentano C, Gaemperli O, Gonzalez-Juanatey JR, Hamilos M, Hasdai D, Husted S, James SK, Kervinen K, Kolh P, Kristensen SD, Lancellotti P, Maggioni AP, Piepoli MF, Pries AR, Romeo F, Rydén L, Simoons ML, Sirnes PA, Steg PG, Timmis A, Wijns W, Windecker S, Yildirir A, Zamorano JL. 2013 ESC guidelines on the management of stable coronary artery disease. Eur Heart J 2013; 34:2949-3003. [PMID: 23996286 DOI: 10.1093/eurheartj/eht296] [Citation(s) in RCA: 2896] [Impact Index Per Article: 263.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Affiliation(s)
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- The disclosure forms of the authors and reviewers are available on the ESC website www.escardio.org/guidelines
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Zuchi C, Tritto I, Ambrosio G. Angina pectoris in women: Focus on microvascular disease. Int J Cardiol 2013; 163:132-40. [DOI: 10.1016/j.ijcard.2012.07.001] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2011] [Revised: 07/07/2012] [Accepted: 07/07/2012] [Indexed: 12/19/2022]
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Gil-Ortega I, Marzoa Rivas R, Ríos Vázquez R, Kaski JC. Role of inflammation and endothelial dysfunction in the pathogenesis of cardiac syndrome X. Future Cardiol 2012; 2:63-73. [PMID: 19804133 DOI: 10.2217/14796678.2.1.63] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Chest pain with normal coronary arteriograms represents a major diagnostic and therapeutic challenge to contemporary cardiology. Cardiac syndrome X (CSX), defined as typical angina-like chest pain, a positive response to exercise stress testing and normal coronary arteriograms, encompasses patients with a variety of pathogenic mechanisms. Cardiac ischemia has been documented in approximately 25% of CSX patients and is associated with endothelial dysfunction and microvascular vasodilator abnormalities. Increased endothelin-1, a powerful vasoconstrictor, has been suggested to play a pathogenic role. There is a high prevalence of postmenopausal women with CSX and thus estrogen deficiency has also been proposed to represent a possible pathogenic mechanism. Inflammatory mechanisms and endothelial dysfunction at the coronary microvascular level appear to be important in the pathogenesis of CSX. Treatment with agents that have protective effects on the vasculature and also anti-inflammatory properties, such as statins and angiotensin-converting enzyme inhibitors have been effective in improving both symptoms and electrocardiographic signs of myocardial ischemia in patients with CSX. This review discusses the roles for endothelial dysfunction and inflammation in the pathogenesis of CSX, as well as the potential therapeutic implications of these mechanisms.
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Affiliation(s)
- Ignacio Gil-Ortega
- Coronary Artery Disease Research Unit, Cardiovascular Biology Research Centre, Division of Cardiac and Vascular Sciences,St. George s, University of LondonLondon, UK
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Banks K, Lo M, Khera A. Angina in Women without Obstructive Coronary Artery Disease. Curr Cardiol Rev 2011; 6:71-81. [PMID: 21286281 PMCID: PMC2845797 DOI: 10.2174/157340310790231608] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2009] [Accepted: 10/08/2009] [Indexed: 11/22/2022] Open
Abstract
Angina in the absence of obstructive coronary artery disease, sometimes referred to as cardiac syndrome X (CSX), is a debilitating condition that disproportionately affects women. More than 50% of women evaluated for angina have non-obstructive disease by cardiac catheterization, although the total numbers of women affected by CSX are unknown. Varying clinical definitions and the lack of large scale epidemiologic studies focusing on this illness have resulted in limited knowledge about its risk factors, although there appears to be an association with black race, estrogen deficiency, and insulin resistance. Contrary to prior beliefs about the benign nature of this entity, these women suffer considerable morbidity with costly economic implications that approach the lifetime costs of healthcare utilization for those with obstructive coronary disease. Two prevailing hypotheses have emerged to explain CSX: the ischemic hypothesis detailing abnormal coronary microvascular function and the non-ischemic hypothesis describing altered pain perception and myocardial hypersensitivity. Treatment strategies have focused on both of these pathways with the main goal of improving symptoms. Beta blockers provide the most convincing evidence for benefit, with other antianginals having secondary roles. Other promising pharmacologic therapies include xanthine derivatives, estrogen replacement therapy, ACE inhibitors, and statin medications, among other emerging treatment options. Neurostimulation and lifestyle factors including exercise can also be beneficial in reducing symptoms. However, managing patients with CSX can be frustrating for both patients and physicians, as there is a lack of data regarding an optimal treatment algorithm including few large-scale randomized controlled trials to clarify effective therapies.
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Affiliation(s)
- Kamakki Banks
- From the Donald W. Reynolds Cardiovascular Clinical Research Center, the University of Texas Southwestern Medical Center, Dallas TX
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28
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Bi YF, Mao JY, Wang XL, Wang HH, Ge YB, Zhang ZP. Contemporary treatment of Western and Chinese medicine for cardiac syndrome X. Chin J Integr Med 2011; 17:314-20. [PMID: 21509677 DOI: 10.1007/s11655-011-0714-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2010] [Indexed: 11/24/2022]
Abstract
Clinical reports on cardiac syndrome X (CSX) have been increasing in recent years. In general, CSX does not increase the cardiovascular mortality, but it can affect the patient's quality of life (QOL) and increase the incidence rates of cardiovascular and cerebrovascular events. Although a variety of drugs and therapies have been utilized in the clinical treatment, the management of CSX still represents a major challenge due to its unclear pathogenesis. It is necessary to explore more effective treatment programs. Many attempts have been made on trials of the Chinese medicine (CM) treatment for CSX and proved that CM has a certain advantage in efficacy to improve clinical symptoms and QOL. CM may provide a new approach for the effective treatment of CSX.
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Affiliation(s)
- Ying-Fei Bi
- Tianjin University of Traditional Chinese Medicine, Tianjin 300193, China
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29
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Affiliation(s)
- Gaetano Antonio Lanza
- From the Istituto di Cardiologia, Università Cattolica del Sacro Cuore, Roma, Italy
| | - Filippo Crea
- From the Istituto di Cardiologia, Università Cattolica del Sacro Cuore, Roma, Italy
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30
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Vermeltfoort IAC, Raijmakers PGHM, Riphagen II, Odekerken DAM, Kuijper AFM, Zwijnenburg A, Teule GJJ. Definitions and incidence of cardiac syndrome X: review and analysis of clinical data. Clin Res Cardiol 2010; 99:475-81. [PMID: 20407906 PMCID: PMC2911526 DOI: 10.1007/s00392-010-0159-1] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2009] [Accepted: 04/07/2010] [Indexed: 01/18/2023]
Abstract
There is no consensus regarding the definition of cardiac syndrome X (CSX). We systematically reviewed recent literature using a standardized search strategy. We included 57 articles. A total of 47 studies mentioned a male/female distribution. A meta-analysis yielded a pooled proportion of females of 0.56 (n = 1,934 patients, with 95% confidence interval: 0.54-0.59). As much as 9 inclusion criteria and 43 exclusion criteria were found in the 57 articles. Applying these criteria to a population with normal coronary angiograms and treated in 1 year at a general hospital, the attributable CSX incidence varied between 3 and 11%. The many inclusion and exclusion criteria result in a wide range of definitions of CSX and these have large effects on the incidence. This shows the need for a generally accepted definition of CSX.
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Affiliation(s)
- I A C Vermeltfoort
- Department of Nuclear Medicine and PET Research, VU University Medical Centre, Amsterdam, The Netherlands.
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31
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Lim TK, Choy AJ, Khan F, Belch JJF, Struthers AD, Lang CC. Therapeutic Development in Cardiac Syndrome X: A Need to Target the Underlying Pathophysiology. Cardiovasc Ther 2009; 27:49-58. [DOI: 10.1111/j.1755-5922.2008.00070.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
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Katz DL, Evans MA, Njike VY, Hoxley ML, Nawaz H, Comerford BP, Sarrel PM. Raloxifene, soy phytoestrogens and endothelial function in postmenopausal women. Climacteric 2008; 10:500-7. [PMID: 18049943 DOI: 10.1080/13697130701750123] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
OBJECTIVE To compare the effects of raloxifene and soy phytoestrogens on endothelial function in healthy, postmenopausal women. DESIGN Randomized, double-blind, placebo-controlled, cross-over trial. Subjects (n = 22; mean age 58.5 years) underwent endothelial function testing at baseline and following 6 weeks of daily raloxifene 60 mg, soy phytoestrogens 55 mg, and placebo in random sequence with intervening 6-week wash-out periods. Endothelial function was assessed as flow-mediated vasodilatation (FMD) of the brachial artery using high-resolution ultrasound; digital flux was measured with laser Doppler velocimetry. RESULTS Baseline (pretreatment) FMD was almost within normal range at 9.6% (+/-6.4). FMD did not change from baseline within any treatment group, and no between-group differences were detected. FMD values following treatment with raloxifene, soy, and placebo were 10.3% (+/-12.3), 8.3% (+/-7.7), and 9.5% (+/-4.4), respectively. Area under curve ratios showed no treatment differences for digital velocimetry. CONCLUSIONS In this study, neither raloxifene nor soy enhanced endothelial function in postmenopausal women. However, the cohort had relatively normal endothelial function at baseline. Further study is required to determine if particular subgroups of postmenopausal women derive vascular benefit from the use of selective estrogen receptor modulators or soy phytoestrogens.
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Affiliation(s)
- D L Katz
- Yale Prevention Research Center, Derby, CT 06418, USA
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Perfusion Abnormality, Normal Coronaries, and Chest Pain⁎⁎Editorials published in the Journal of the American College of Cardiology reflect the views of the authors and do not necessarily represent the views of JACC or the American College of Cardiology. J Am Coll Cardiol 2008; 51:473-5. [DOI: 10.1016/j.jacc.2007.09.049] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2007] [Accepted: 09/18/2007] [Indexed: 11/18/2022]
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Huang PH, Chen YH, Chen YL, Wu TC, Chen JW, Lin SJ. Vascular endothelial function and circulating endothelial progenitor cells in patients with cardiac syndrome X. Heart 2007; 93:1064-70. [PMID: 17488770 PMCID: PMC1954999 DOI: 10.1136/hrt.2006.107763] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
BACKGROUND Endothelial dysfunction and microvascular abnormalities have been reported in patients with cardiac syndrome X (CSX), but the underlying mechanisms are unclear. Recent insights suggest that the injured endothelial monolayer is regenerated by circulating bone marrow-derived endothelial progenitor cells (EPCs). AIM To test the hypothesis that the biology of altered EPCs might contribute to the pathophysiology of CSX. METHODS 34 subjects (mean (SD) age: 62 (7) years) were enrolled in the study, including 12 patients with CSX, 12 stable subjects with coronary artery disease (CAD) and 10 healthy controls. The number and adhesive function of EPCs were measured in peripheral-blood samples from these study participants. RESULTS The baseline characteristics in patients with CSX and CAD were enhanced Framingham risk scores, more hypertension and lower high-density lipoproteins than the controls. Patients with CSX and CAD had significantly decreased endothelium-dependent flow-mediated vasodilation (FMD) compared with normal controls (normal controls vs CSX vs CAD: 10.6% (3.5%) vs 6.1% (1.8%) vs 4.1% (1.9%), p<0.001), but the difference was not found in endothelium-independent nitroglycerine-mediated vasodilation (p = 0.159). Reduced numbers of colony-forming units (CFU) of EPCs were noted in patients with CSX and CAD (normal vs CSX vs CAD: 41 (9) vs 30 (7) vs 14 (7) CFU/well, p<0.001). Levels of EPCs were shown to be associated with FMD (r = 0.557, p = 0.001) and high-density lipoprotein (r = 0.339, p = 0.049). Also, attenuated fibronectin adhesion function of EPCs was found in patients with CSX and CaD compared with normal subjects (104 (12) vs 80 (20) vs 65 (13)/well, p<0.001). CONCLUSIONS This study clearly showed for the first time that compared with normal subjects, patients with CSX have decreased levels and adhesive function of circulating EPCs. These findings may explain the underlying mechanisms which contribute to the endothelial dysfunction and microvascular abnormalities observed in patients with CSX.
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Affiliation(s)
- Po-Hsun Huang
- Institute of Clinicial Medicine and [corrected] Cardiovascular Research Center, National Yang-Ming University, Taipei, Taiwan
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Alonso-Orgaz S, Moreno L, Macaya C, Rico L, Mateos-Cáceres PJ, Sacristán D, Pérez-Vizcaíno F, Segura A, Tamargo J, López-Farré A. Proteomic Study of Plasma from Moderate Hypercholesterolemic Patients. J Proteome Res 2006; 5:2301-8. [PMID: 16944942 DOI: 10.1021/pr060159w] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Proteomics is a technology to detect and identify several proteins and their isoforms in a single sample. We used proteomics to analyze modifications in the protein map of plasma after simvastatin treatment of moderate hypercholesterolemic patients. Plasma from hypercholesterolemic patients (n = 9) was compared before and after 12 weeks of simvastatin treatment (40 mg/day). Patients with similar cardiovascular risk factors were used as controls (CR group). By using two-dimensional electrophoresis and mass spectrometry, we identified the different protein isoforms. The plasma expression of three fibrinogen gamma chain isoforms (FGG) was enhanced, whereas the expression of two isoforms of the fibrinogen beta chain (FGB) was reduced in the hypercholesterolemic patients compared with the CR group. The expression of apolipoprotein A-IV and three haptoglobin isoforms was higher in hypercholesterolemic patients. Simvastatin treatment modified the plasma expression of FGG chain isoform 1, FGB chain isoforms 1 and 2, vitamin D binding protein isoform 3, apo A-IV, and haptoglobin isoform 2. The modification of FGG chain isoform 1 and FGB chain isoforms 1 and 2 was positively correlated with total plasma cholesterol level. Proteomic analysis of plasma may help to know more in depth the molecular mechanism modified by simvastatin treatment.
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Affiliation(s)
- Sergio Alonso-Orgaz
- Cardiovascular Research Unit, Cardiology Department, Cardiovascular Institute, Hospital Clínico San Carlos, Madrid 28040, Spain
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Hurst T, Olson TH, Olson LE, Appleton CP. Cardiac syndrome X and endothelial dysfunction: new concepts in prognosis and treatment. Am J Med 2006; 119:560-6. [PMID: 16828624 DOI: 10.1016/j.amjmed.2005.07.009] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2005] [Revised: 07/11/2005] [Accepted: 07/11/2005] [Indexed: 11/24/2022]
Abstract
Cardiac syndrome X (CSX), or angina with no flow-limiting stenosis on coronary angiogram, has been regarded as a condition with an excellent prognosis despite variable symptomatic improvement. Newer data show that patients with CSX with endothelial dysfunction have an increased risk for future adverse cardiac events. Current hypotheses of CSX pathophysiology emphasize a dysfunctional vascular endothelium that leads to microvascular ischemia. Treatments that target improving endothelial function, such as statins, angiotensin-converting enzyme inhibitors, estrogen, and lifestyle modification, are promising additions to treatment regimens for CSX. The goal of this article is to provide information for improved diagnosis, risk stratification, and therapy for the population with CSX.
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Affiliation(s)
- Todd Hurst
- Division of Cardiovascular Diseases, Mayo Clinic, Scottsdale, Arizona 85259, USA
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Abstract
Rheumatoid arthritis, a chronic inflammatory polyarthritis that destroys synovial joints, is associated with systemic as well as local inflammation and with an increased risk of cardiovascular disease and death not fully explained by traditional cardiac risk factors. Statins (HMG-coA reductase inhibitors), medications originally designed to lower cholesterol, have been shown to have powerful effects on decreasing cardiovascular mortality rates in the general and high-risk populations. Not all of this protective benefit appears to be mediated by lowered cholesterol levels. Statins also influence multiple steps in the inflammatory process, including leukocyte migration and adhesion, T-cell stimulation, nitric oxide bioavailability, generation of free radicals, and angiogenesis. Recent studies show that statins may provide mild anti-inflammatory benefit in rheumatoid arthritis, in addition to reducing cardiovascular risk.
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Affiliation(s)
- Karen H Costenbader
- Department of Medicine, Division of Rheumatology, Immunology, and Allergy, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
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