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Baroutidou A, Arvanitaki A, Pagkopoulou E, Anyfanti P, Ziakas A, Kamperidis V, Giannakoulas G, Dimitroulas T. Nailfold videocapillaroscopy as a non-invasive tool for the assessment of peripheral microangiopathy in cardiovascular diseases. J Hypertens 2024:00004872-990000000-00543. [PMID: 39288254 DOI: 10.1097/hjh.0000000000003873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/19/2024]
Abstract
Cardiovascular disease (CVD) remains the main cause of morbidity and mortality worldwide. Accumulating evidence supports the presence of endothelial and microvascular dysfunction in CVD, which can be assessed using several methods in peripheral organs and tissues. Naifold videocapillaroscopy (NVC) is an established, noninvasive, easily applicable technique for the assessment of peripheral microcirculation. There is limited capillaroscopic data in the field of CVD, though, and the diagnostic or possible prognostic significance of the capillaroscopic alterations in this population is still a matter of research. This review aims to summarize the current knowledge on the capillaroscopic findings in patients with cardiovascular risk factors or established atherosclerotic and nonatherosclerotic CVD, focusing on the possible correlations of these alterations with clinical and laboratory markers of cardiac function.
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Affiliation(s)
| | | | - Eleni Pagkopoulou
- Fourth Department of Internal Medicine, Hippokration University Hospital, Medical School
| | - Panagiota Anyfanti
- Second Medical Department, Hippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | | | | | | | - Theodoros Dimitroulas
- Fourth Department of Internal Medicine, Hippokration University Hospital, Medical School
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2
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Vos JL, Lemmers JMJ, El Messaoudi S, Snoeren M, van Dijk APJ, Duijnhouwer AL, Rodwell L, van Leuven SI, Post MC, Vonk MC, Nijveldt R. Peripheral microvascular function is linked to cardiac involvement on cardiovascular magnetic resonance in systemic sclerosis-related pulmonary arterial hypertension. Eur Heart J Cardiovasc Imaging 2024; 25:708-717. [PMID: 38170546 PMCID: PMC11057940 DOI: 10.1093/ehjci/jeae001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 12/27/2023] [Accepted: 12/29/2023] [Indexed: 01/05/2024] Open
Abstract
AIMS Systemic sclerosis (SSc) is characterized by vasculopathy, inflammation, and fibrosis, and carries one of the worst prognoses if patients also develop pulmonary arterial hypertension (PAH). Although PAH is a known prognosticator, patients with SSc-PAH demonstrate disproportionately high mortality, presumably due to cardiac involvement. In this cross-sectional study, the relationship between cardiac involvement revealed by cardiovascular magnetic resonance (CMR) and systemic microvascular disease severity measured with nailfold capillaromicroscopy (NCM) in patients with SSc-PAH is evaluated and compared with patients with idiopathic PAH (IPAH). METHODS AND RESULTS Patients with SSc-PAH and IPAH underwent CMR, echocardiography, and NCM with post-occlusive reactivity hyperaemia (PORH) testing on the same day. CMR imaging included T2 (oedema), native, and post-contrast T1 mapping to measure the extracellular volume fraction (ECV, fibrosis) and adenosine-stress-perfusion imaging measuring the relative myocardial upslope (microvascular coronary perfusion). Measures of peripheral microvascular function were related to CMR indices of oedema, fibrosis, and myocardial perfusion. SSc-PAH patients (n = 20) had higher T2 values and a trend towards a higher ECV, compared with IPAH patients (n = 5), and a lower nailfold capillary density (NCD) and reduced capillary recruitment after PORH. NCD correlated with ECV and T2 (r = -0.443 and -0.464, respectively, P < 0.05 for both) and with markers of diastolic dysfunction on echocardiography. PORH testing, but not NCD, correlated with the relative myocardial upslope (r = 0.421, P < 0.05). CONCLUSION SSc-PAH patients showed higher markers of cardiac fibrosis and inflammation, compared with IPAH patients. These markers correlated well with peripheral microvascular dysfunction, suggesting that SSc-driven inflammation and vasculopathy concurrently affect peripheral microcirculation and the heart. This may contribute to the disproportionate high mortality in SSc-PAH.
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Affiliation(s)
- Jacqueline L Vos
- Department of Cardiology, Radboud University Medical Center, Geert Grooteplein 10, 6525 GA, Nijmegen, The Netherlands
| | - Jacqueline M J Lemmers
- Department of Rheumatology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Saloua El Messaoudi
- Department of Cardiology, Radboud University Medical Center, Geert Grooteplein 10, 6525 GA, Nijmegen, The Netherlands
| | - Miranda Snoeren
- Department of Radiology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Arie P J van Dijk
- Department of Cardiology, Radboud University Medical Center, Geert Grooteplein 10, 6525 GA, Nijmegen, The Netherlands
| | - Anthonie L Duijnhouwer
- Department of Cardiology, Radboud University Medical Center, Geert Grooteplein 10, 6525 GA, Nijmegen, The Netherlands
| | - Laura Rodwell
- Department of Health Evidence, Section Biostatistics, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Sander I van Leuven
- Department of Rheumatology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Martijn C Post
- Department of Cardiology, St. Antonius Hospital, Nieuwegein, The Netherlands
- Department of Cardiology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Madelon C Vonk
- Department of Rheumatology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Robin Nijveldt
- Department of Cardiology, Radboud University Medical Center, Geert Grooteplein 10, 6525 GA, Nijmegen, The Netherlands
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Markousis-Mavrogenis G, Bournia VK, Sfikakis PP, Mavrogeni SI. Raynaud phenomenon and microvasculopathy in systemic sclerosis: multi-modality imaging for diagnosis and evaluation. Curr Opin Rheumatol 2023; 35:324-333. [PMID: 37582056 DOI: 10.1097/bor.0000000000000965] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/17/2023]
Abstract
PURPOSE OF REVIEW To describe the clinical significance of and the diagnostic approach to Raynaud phenomenon (RP) in the peripheral extremities and the heart. RECENT FINDINGS Nailfold capillaroscopy has recently been standardized in an expert consensus paper. Abnormal capillaroscopy in combination with specific autoantibody profiles and clinical signs are highly predictive of progression of RP to systemic sclerosis (SSc). Magnetic resonance imaging (MRI) can also perform tissue characterization of both the extremities and the heart. Microvascular wall abnormalities detected using nailfold capillaroscopy in patients with SSc may lead to deposition of erythrocyte-derived iron, due to microhemorrhages, which may predispose to fibrosis. MRI can assess the presence of iron using T2∗ measurements. SUMMARY RP is a hallmark of the microvasculopathy in SSc and can affect both the peripheral extremities and the heart. Nailfold capillaroscopy is the current gold standard for the evaluation of the peripheral microvasculature. Other imaging modalities include thermography, laser Doppler-derived methods, 99m Tc-pertechnetate hand perfusion scintigraphy, power Doppler ultrasonography, dynamic optical coherence tomography, MRI, and photoacoustic imaging, but these are currently not widely used. Cardiac RP can be investigated with positron emission tomography or cardiovascular magnetic resonance, with the latter offering the additional possibility of tissue characterization and iron content quantification secondary to microhemorrhages.
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Affiliation(s)
- George Markousis-Mavrogenis
- University Research Institute of Maternal and Child Health and Precision Medicine and UNESCO Chair in Adolescent Health Care, Medical School, National and Kapodistrian University of Athens, Aghia Sophia Children's Hospital
| | | | - Petros P Sfikakis
- Joint Academic Rheumatology Program, National and Kapodistrian University of Athens Medical School
| | - Sophie I Mavrogeni
- University Research Institute of Maternal and Child Health and Precision Medicine and UNESCO Chair in Adolescent Health Care, Medical School, National and Kapodistrian University of Athens, Aghia Sophia Children's Hospital
- Onassis Cardiac Surgery Hospital, Athens, Greece
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Muruganandam M, Ariza-Hutchinson A, Patel RA, Sibbitt WL. Biomarkers in the Pathogenesis, Diagnosis, and Treatment of Systemic Sclerosis. J Inflamm Res 2023; 16:4633-4660. [PMID: 37868834 PMCID: PMC10590076 DOI: 10.2147/jir.s379815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 09/27/2023] [Indexed: 10/24/2023] Open
Abstract
Systemic sclerosis (SSc) is a complex autoimmune disease characterized by vascular damage, vasoinstability, and decreased perfusion with ischemia, inflammation, and exuberant fibrosis of the skin and internal organs. Biomarkers are analytic indicators of the biological and disease processes within an individual that can be accurately and reproducibly measured. The field of biomarkers in SSc is complex as recent studies have implicated at least 240 pathways and dysregulated proteins in SSc pathogenesis. Anti-nuclear antibodies (ANA) are classical biomarkers with well-described clinical classifications and are present in more than 90% of SSc patients and include anti-centromere, anti-Th/To, anti-RNA polymerase III, and anti-topoisomerase I antibodies. Transforming growth factor-β (TGF-β) is central to the fibrotic process of SSc and is intimately intertwined with other biomarkers. Tyrosine kinases, interferon-1 signaling, IL-6 signaling, endogenous thrombin, peroxisome proliferator-activated receptors (PPARs), lysophosphatidic acid receptors, and amino acid metabolites are new biomarkers with the potential for developing new therapeutic agents. Other biomarkers implicated in SSc-ILD include signal transducer and activator of transcription 4 (STAT4), CD226 (DNAX accessory molecule 1), interferon regulatory factor 5 (IRF5), interleukin-1 receptor-associated kinase-1 (IRAK1), connective tissue growth factor (CTGF), pyrin domain containing 1 (NLRP1), T-cell surface glycoprotein zeta chain (CD3ζ) or CD247, the NLR family, SP-D (surfactant protein), KL-6, leucine-rich α2-glycoprotein-1 (LRG1), CCL19, genetic factors including DRB1 alleles, the interleukins (IL-1, IL-4, IL-6, IL-8, IL-10 IL-13, IL-16, IL-17, IL-18, IL-22, IL-32, and IL-35), the chemokines CCL (2,3,5,13,20,21,23), CXC (8,9,10,11,16), CX3CL1 (fractalkine), and GDF15. Adiponectin (an indicator of PPAR activation) and maresin 1 are reduced in SSc patients. A new trend has been the use of biomarker panels with combined complex multifactor analysis, machine learning, and artificial intelligence to determine disease activity and response to therapy. The present review is an update of the various biomarker molecules, pathways, and receptors involved in the pathology of SSc.
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Affiliation(s)
- Maheswari Muruganandam
- Department of Internal Medicine, Division of Rheumatology and School of Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM, USA
| | - Angie Ariza-Hutchinson
- Department of Internal Medicine, Division of Rheumatology and School of Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM, USA
| | - Rosemina A Patel
- Department of Internal Medicine, Division of Rheumatology and School of Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM, USA
| | - Wilmer L Sibbitt
- Department of Internal Medicine, Division of Rheumatology and School of Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM, USA
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Di Maggio G, Confalonieri P, Salton F, Trotta L, Ruggero L, Kodric M, Geri P, Hughes M, Bellan M, Gilio M, Lerda S, Baratella E, Confalonieri M, Mondini L, Ruaro B. Biomarkers in Systemic Sclerosis: An Overview. Curr Issues Mol Biol 2023; 45:7775-7802. [PMID: 37886934 PMCID: PMC10604992 DOI: 10.3390/cimb45100490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Revised: 09/19/2023] [Accepted: 09/22/2023] [Indexed: 10/28/2023] Open
Abstract
Systemic sclerosis (SSc) is a complex autoimmune disease characterized by significant fibrosis of the skin and internal organs, with the main involvement of the lungs, kidneys, heart, esophagus, and intestines. SSc is also characterized by macro- and microvascular damage with reduced peripheral blood perfusion. Several studies have reported more than 240 pathways and numerous dysregulation proteins, giving insight into how the field of biomarkers in SSc is still extremely complex and evolving. Antinuclear antibodies (ANA) are present in more than 90% of SSc patients, and anti-centromere and anti-topoisomerase I antibodies are considered classic biomarkers with precise clinical features. Recent studies have reported that trans-forming growth factor β (TGF-β) plays a central role in the fibrotic process. In addition, interferon regulatory factor 5 (IRF5), interleukin receptor-associated kinase-1 (IRAK-1), connective tissue growth factor (CTGF), transducer and activator of transcription signal 4 (STAT4), pyrin-containing domain 1 (NLRP1), as well as genetic factors, including DRB1 alleles, are implicated in SSc damage. Several interleukins (e.g., IL-1, IL-6, IL-10, IL-17, IL-22, and IL-35) and chemokines (e.g., CCL 2, 5, 23, and CXC 9, 10, 16) are elevated in SSc. While adiponectin and maresin 1 are reduced in patients with SSc, biomarkers are important in research but will be increasingly so in the diagnosis and therapeutic approach to SSc. This review aims to present and highlight the various biomarker molecules, pathways, and receptors involved in the pathology of SSc.
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Affiliation(s)
- Giuseppe Di Maggio
- Pulmonology Unit, Department of Medical Surgical and Healt Sciencies, Hospital of Cattinara, University of Trieste, 34149 Trieste, Italy; (G.D.M.); (M.K.); (P.G.); (L.M.)
| | - Paola Confalonieri
- Pulmonology Unit, Department of Medical Surgical and Healt Sciencies, Hospital of Cattinara, University of Trieste, 34149 Trieste, Italy; (G.D.M.); (M.K.); (P.G.); (L.M.)
| | - Francesco Salton
- Pulmonology Unit, Department of Medical Surgical and Healt Sciencies, Hospital of Cattinara, University of Trieste, 34149 Trieste, Italy; (G.D.M.); (M.K.); (P.G.); (L.M.)
| | - Liliana Trotta
- Pulmonology Unit, Department of Medical Surgical and Healt Sciencies, Hospital of Cattinara, University of Trieste, 34149 Trieste, Italy; (G.D.M.); (M.K.); (P.G.); (L.M.)
| | - Luca Ruggero
- Pulmonology Unit, Department of Medical Surgical and Healt Sciencies, Hospital of Cattinara, University of Trieste, 34149 Trieste, Italy; (G.D.M.); (M.K.); (P.G.); (L.M.)
| | - Metka Kodric
- Pulmonology Unit, Department of Medical Surgical and Healt Sciencies, Hospital of Cattinara, University of Trieste, 34149 Trieste, Italy; (G.D.M.); (M.K.); (P.G.); (L.M.)
| | - Pietro Geri
- Pulmonology Unit, Department of Medical Surgical and Healt Sciencies, Hospital of Cattinara, University of Trieste, 34149 Trieste, Italy; (G.D.M.); (M.K.); (P.G.); (L.M.)
| | - Michael Hughes
- Division of Musculoskeletal and Dermatological Sciences, Faculty of Biology, Medicine and Health, The University of Manchester & Salford Royal NHS Foundation Trust, Manchester M6 8HD, UK;
| | - Mattia Bellan
- Department of Translational Medicine, Università del Piemonte Orientale (UPO), 28100 Novara, Italy
- Center for Autoimmune and Allergic Disease (CAAD), Università del Piemonte Orientale (UPO), 28100 Novara, Italy
- Department of Medicine, Azienda Ospedaliero–Universitaria, Maggiore della Carità, 28100 Novara, Italy
| | - Michele Gilio
- Infectious Disease Unit, San Carlo Hospital, 85100 Potenza, Italy
| | - Selene Lerda
- Graduate School, University of Milan, 20149 Milano, Italy
| | - Elisa Baratella
- Department of Radiology, Cattinara Hospital, University of Trieste, 34149 Trieste, Italy
| | - Marco Confalonieri
- Pulmonology Unit, Department of Medical Surgical and Healt Sciencies, Hospital of Cattinara, University of Trieste, 34149 Trieste, Italy; (G.D.M.); (M.K.); (P.G.); (L.M.)
| | - Lucrezia Mondini
- Pulmonology Unit, Department of Medical Surgical and Healt Sciencies, Hospital of Cattinara, University of Trieste, 34149 Trieste, Italy; (G.D.M.); (M.K.); (P.G.); (L.M.)
| | - Barbara Ruaro
- Pulmonology Unit, Department of Medical Surgical and Healt Sciencies, Hospital of Cattinara, University of Trieste, 34149 Trieste, Italy; (G.D.M.); (M.K.); (P.G.); (L.M.)
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Yu H, Wen Q, Zhang X, Zhang H, Wu X. Cardiac involved and autopsy in two patients with systemic sclerosis: Two cases report. Heliyon 2023; 9:e15555. [PMID: 37159691 PMCID: PMC10163610 DOI: 10.1016/j.heliyon.2023.e15555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 04/10/2023] [Accepted: 04/13/2023] [Indexed: 05/11/2023] Open
Abstract
Systemic sclerosis (SSc) is a connective tissue disease with high mortality. One of the most common causes of death in potential SSc patients is cardiac arrest. However, the pathogenesis of cardiac death is not very clear. As far as we know, there are few autopsy reports on this subject. Our autopsy report on two fatal cases of heart injury in SSc patients revealed evidence of myocarditis, focal myocardial necrosis, and myocardial fibrosis. Our findings suggest that chronic inflammation of the heart may lead to extensive fibrosis, which could contribute to the high mortality rate observed in SSc patients. Early detection of heart injury in SSc patients using existing technology is necessary to improve patient outcomes. Future research should focus on developing more effective methods for early detection and management of heart involvement in SSc.
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Affiliation(s)
- Hang Yu
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Ningbo University, 59 Liuting Road, Ningbo, Zhejiang, 315010, PR China
- School of Medicine, Ningbo University, Ningbo, Zhejiang, 315211, PR China
| | - Qinwen Wen
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Ningbo University, 59 Liuting Road, Ningbo, Zhejiang, 315010, PR China
| | - Xiaolu Zhang
- School of Medicine, Ningbo University, Ningbo, Zhejiang, 315211, PR China
| | - Hanqing Zhang
- School of Medicine, Ningbo University, Ningbo, Zhejiang, 315211, PR China
| | - Xiudi Wu
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Ningbo University, 59 Liuting Road, Ningbo, Zhejiang, 315010, PR China
- Corresponding author.
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Willems S, Smith V, Wallaert S, Gotelli E, Du Four T, Wyckstandt K, Cere A, Cutolo M. Description of Peripheral Blood Perfusion by Laser Speckle Contrast Analysis (LASCA) in 'Early' versus 'Clinically Overt' Systemic Sclerosis in Routine Clinics. Diagnostics (Basel) 2023; 13:diagnostics13091566. [PMID: 37174957 PMCID: PMC10177938 DOI: 10.3390/diagnostics13091566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 04/24/2023] [Accepted: 04/25/2023] [Indexed: 05/15/2023] Open
Abstract
OBJECTIVE To investigate in an unselected, systemic sclerosis (SSc) cohort if baseline laser speckle contrast analysis (LASCA) peripheral blood perfusion (PBP) measurements differ between 'early' SSc (without skin involvement, or 'limited' SSc-LSSc) and 'clinically overt' SSc (with skin involvement, limited cutaneous SSc-LcSSc and diffuse cutaneous SSc-DcSSc) in routine setting. METHODS A group of twenty consecutive 'early' SSc patients and forty consecutive 'clinically overt' SSc patients (twenty LcSSc and twenty DcSSc) underwent clinical and LASCA examinations (to assess the peripheral blood perfusion [PBP] of both hands volar). RESULTS No statistically significant difference in adjusted PBP was found in the 'early' versus the 'clinically overt' group (p = 0.77) when adjusted for possible confounding factors (e.g., vasoactive medication, active smoking, history of DTL and disease duration). A wide variability was noted when observing the individual datapoints of each subset. CONCLUSION This study with an unselected SSc population in daily routine, non-research setting, showed there was no difference in adjusted PBP at baseline between 'early' SSc and 'clinically overt' SSc when corrected for possible confounding factors. Interestingly a wide variation of individual datapoints were observed in each subset, which emphasizes the heterogeneity of SSc.
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Affiliation(s)
- Seppe Willems
- Department of Rheumatology, Ghent University Hospital, 9000 Ghent, Belgium
| | - Vanessa Smith
- Department of Rheumatology, Ghent University Hospital, 9000 Ghent, Belgium
- Department of Internal Medicine, Ghent University Hospital, 9000 Ghent, Belgium
- Unit for Molecular Immunology and Inflammation, Inflammation Research Center (IRC), Vlaams Instituut voor Biotechnologie (VIB), 9000 Ghent, Belgium
| | - Steven Wallaert
- Biostatistics Unit, Department of Public Health and Primary Care, Ghent University, 9000 Ghent, Belgium
| | - Emanuele Gotelli
- Laboratory of Experimental Rheumatology and Academic Division of Clinical Rheumatology, Department of Internal Medicine and Specialties, University of Genova, IRCCS San Martino Polyclinic Hospital, 16132 Genova, Italy
| | - Tessa Du Four
- Department of Rheumatology, Ghent University Hospital, 9000 Ghent, Belgium
- Department of Internal Medicine, Ghent University Hospital, 9000 Ghent, Belgium
| | - Kaat Wyckstandt
- Department of Rheumatology, Ghent University Hospital, 9000 Ghent, Belgium
- Department of Internal Medicine, Ghent University Hospital, 9000 Ghent, Belgium
| | - Andrea Cere
- Laboratory of Experimental Rheumatology and Academic Division of Clinical Rheumatology, Department of Internal Medicine and Specialties, University of Genova, IRCCS San Martino Polyclinic Hospital, 16132 Genova, Italy
| | - Maurizio Cutolo
- Laboratory of Experimental Rheumatology and Academic Division of Clinical Rheumatology, Department of Internal Medicine and Specialties, University of Genova, IRCCS San Martino Polyclinic Hospital, 16132 Genova, Italy
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D’Oria M, Gandin I, Riccardo P, Hughes M, Lepidi S, Salton F, Confalonieri P, Confalonieri M, Tavano S, Ruaro B. Correlation between Microvascular Damage and Internal Organ Involvement in Scleroderma: Focus on Lung Damage and Endothelial Dysfunction. Diagnostics (Basel) 2022; 13:diagnostics13010055. [PMID: 36611347 PMCID: PMC9818898 DOI: 10.3390/diagnostics13010055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 12/11/2022] [Accepted: 12/21/2022] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Systemic sclerosis (SSc) is an incurable connective tissue disease characterized by decreased peripheral blood perfusion due to microvascular damage and skin thickening/hardening. The microcirculation deficit is typically secondary to structural vessel damage, which can be assessed morphologically and functionally in a variety of ways, exploiting different technologies. OBJECTIVE This paper focuses on reviewing new studies regarding the correlation between microvascular damage, endothelial dysfunction, and internal organ involvement, particularly pulmonary changes in SSc. METHODS We critically reviewed the most recent literature on the correlation between blood perfusion and organ involvement. RESULTS Many papers have demonstrated the link between structural microcirculatory damage and pulmonary involvement; however, studies that have investigated correlations between microvascular functional impairment and internal organ damage are scarce. Overall, the literature supports the correlation between organ involvement and functional microcirculatory impairment in SSc patients. CONCLUSIONS Morphological and functional techniques appear to be emerging biomarkers in SSc, but obviously need further investigation.
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Affiliation(s)
- Mario D’Oria
- Department of Medical Surgical and Health Sciences, University Hospital of Cattinara, University of Trieste, 34149 Trieste, Italy
| | - Ilaria Gandin
- Biostatistics Unit, Department of Medical Sciences, University of Trieste, 34149 Trieste, Italy
| | - Pozzan Riccardo
- Pulmonology Unit, Department of Medical Surgical and Health Sciences, University Hospital of Cattinara, University of Trieste, 34149 Trieste, Italy
| | - Michael Hughes
- Northern Care Alliance NHS Foundation Trust, Salford Care Organisation and Division of Musculoskeletal and Dermatological Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester M6 8HD, UK
| | - Sandro Lepidi
- Department of Medical Surgical and Health Sciences, University Hospital of Cattinara, University of Trieste, 34149 Trieste, Italy
| | - Francesco Salton
- Pulmonology Unit, Department of Medical Surgical and Health Sciences, University Hospital of Cattinara, University of Trieste, 34149 Trieste, Italy
| | - Paola Confalonieri
- Pulmonology Unit, Department of Medical Surgical and Health Sciences, University Hospital of Cattinara, University of Trieste, 34149 Trieste, Italy
| | - Marco Confalonieri
- Pulmonology Unit, Department of Medical Surgical and Health Sciences, University Hospital of Cattinara, University of Trieste, 34149 Trieste, Italy
| | - Stefano Tavano
- Pulmonology Unit, Department of Medical Surgical and Health Sciences, University Hospital of Cattinara, University of Trieste, 34149 Trieste, Italy
| | - Barbara Ruaro
- Pulmonology Unit, Department of Medical Surgical and Health Sciences, University Hospital of Cattinara, University of Trieste, 34149 Trieste, Italy
- Correspondence: ; Tel.: +39-040-399-4871
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Anyfanti P, Angeloudi E, Dara A, Arvanitaki A, Bekiari E, Kitas GD, Dimitroulas T. Nailfold Videocapillaroscopy for the Evaluation of Peripheral Microangiopathy in Rheumatoid Arthritis. LIFE (BASEL, SWITZERLAND) 2022; 12:life12081167. [PMID: 36013346 PMCID: PMC9410266 DOI: 10.3390/life12081167] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 06/28/2022] [Accepted: 07/25/2022] [Indexed: 11/21/2022]
Abstract
Rheumatoid arthritis (RA) is a chronic and refractory autoimmune joint disease that affects multiple organs. Several methods have been applied for the study of microvascular endothelial dysfunction, which is considered an important component of vascular disease in RA. Implementation of nailfold videocapillaroscopy (NVC) represents a viable choice, as the skin is an easily accessible window for the non-invasive, real-time assessment of subtle microcirculation abnormalities. Although NVC is routinely used in the rheumatology field, especially for the diagnostic workout of Raynaud’s phenomenon, accumulating evidence suggests a role in the evaluation of systemic vasculopathy associated with autoimmune rheumatic disorders. The current paper aims to provide an overview of NVC as a valuable clinical aid for the assessment of peripheral microcirculation in RA. Previous studies characterizing the capillaroscopic pattern in RA are summarized, along with associations with disease-related characteristics. Most available reports have mainly focused on the descriptions of non-specific morphological alterations that may reflect endothelial injury over the course of the disease. Still, the exact pattern of structural and functional capillaroscopic alterations and their clinical significance in RA remains a subject of ongoing research.
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Affiliation(s)
- Panagiota Anyfanti
- Second Medical Department, Hippokration Hospital, Aristotle University of Thessaloniki, 54642 Thessaloniki, Greece; (E.A.); (E.B.)
- Correspondence:
| | - Elena Angeloudi
- Second Medical Department, Hippokration Hospital, Aristotle University of Thessaloniki, 54642 Thessaloniki, Greece; (E.A.); (E.B.)
| | - Athanasia Dara
- Fourth Department of Internal Medicine, Hippokration Hospital, Aristotle University of Thessaloniki, 54642 Thessaloniki, Greece; (A.D.); (A.A.); (T.D.)
| | - Alexandra Arvanitaki
- Fourth Department of Internal Medicine, Hippokration Hospital, Aristotle University of Thessaloniki, 54642 Thessaloniki, Greece; (A.D.); (A.A.); (T.D.)
- First Department of Cardiology, AHEPA University Hospital, Medical School, Aristotle University of Thessaloniki, 54621 Thessaloniki, Greece
| | - Eleni Bekiari
- Second Medical Department, Hippokration Hospital, Aristotle University of Thessaloniki, 54642 Thessaloniki, Greece; (E.A.); (E.B.)
| | - George D. Kitas
- Department of Rheumatology, Russells Hall Hospital, Dudley Group NHS Foundation Trust, Dudley DY1 2HQ, UK;
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham B15 2TT, UK
| | - Theodoros Dimitroulas
- Fourth Department of Internal Medicine, Hippokration Hospital, Aristotle University of Thessaloniki, 54642 Thessaloniki, Greece; (A.D.); (A.A.); (T.D.)
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10
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Moschetti L, Piantoni S, Vizzardi E, Sciatti E, Riccardi M, Franceschini F, Cavazzana I. Endothelial Dysfunction in Systemic Lupus Erythematosus and Systemic Sclerosis: A Common Trigger for Different Microvascular Diseases. Front Med (Lausanne) 2022; 9:849086. [PMID: 35462989 PMCID: PMC9023861 DOI: 10.3389/fmed.2022.849086] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 03/04/2022] [Indexed: 11/13/2022] Open
Abstract
This review describes the complex interplay between inflammation, vasculopathy and fibrosis that involve the heart and peripheral small vessels, leading to endothelial stiffness, vascular damage, and early aging in patients with systemic lupus erythematosus and systemic sclerosis, which represents two different models of vascular dysfunction among systemic autoimmune diseases. In fact, despite the fact that diagnostic methods and therapies have been significantly improved in the last years, affected patients show an excess of cardiovascular mortality if compared with the general population. In addition, we provide a complete overview on the new techniques which are used for the evaluation of endothelial dysfunction in a preclinical phase, which could represent a new approach in the assessment of cardiovascular risk in these patients.
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Affiliation(s)
- Liala Moschetti
- Rheumatology and Clinical immunology Unit, ASST Spedali Civili of Brescia, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
| | - Silvia Piantoni
- Rheumatology and Clinical immunology Unit, ASST Spedali Civili of Brescia, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
- *Correspondence: Silvia Piantoni,
| | - Enrico Vizzardi
- Cardiology Unit, ASST Spedali Civili of Brescia, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, Brescia, Italy
| | | | - Mauro Riccardi
- Cardiology Unit, ASST Spedali Civili of Brescia, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, Brescia, Italy
| | - Franco Franceschini
- Rheumatology and Clinical immunology Unit, ASST Spedali Civili of Brescia, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
| | - Ilaria Cavazzana
- Rheumatology and Clinical immunology Unit, ASST Spedali Civili of Brescia, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
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11
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Sclerodermic Cardiomyopathy—A State-of-the-Art Review. Diagnostics (Basel) 2022; 12:diagnostics12030669. [PMID: 35328222 PMCID: PMC8947572 DOI: 10.3390/diagnostics12030669] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 02/27/2022] [Accepted: 03/07/2022] [Indexed: 12/12/2022] Open
Abstract
Systemic sclerosis (SSc) is a chronic autoimmune disorder with unknown triggering factors, and complex pathophysiologic links which lead to fibrosis of skin and internal organs, including the heart, lungs, and gut. However, more than 100 years after the first description of cardiac disease in SSc, sclerodermic cardiomyopathy (SScCmp) is an underrecognized, occult disease with important adverse long-term prognosis. Laboratory tests, electrocardiography (ECG) and cardiovascular multimodality imaging techniques (transthoracic 2D and 3D echocardiography, cardiac magnetic resonance (CMR), and novel imaging techniques, including myocardial deformation analysis) provide new insights into the cardiac abnormalities in patients with SSc. This state-of-the-art review aims to stratify all the cardiac investigations needed to diagnose and follow-up the SScCmp, and discusses the epidemiology, risk factors and pathophysiology of this important cause of morbidity of the SSc patient.
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12
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Pagkopoulou E, Soulaidopoulos S, Triantafyllidou E, Malliari A, Kitas GD, Garyfallos A, Dimitroulas T. Association Between Uric Acid and Worsening Peripheral Microangiopathy in Systemic Sclerosis. Front Med (Lausanne) 2022; 8:806925. [PMID: 35004786 PMCID: PMC8739221 DOI: 10.3389/fmed.2021.806925] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Accepted: 11/15/2021] [Indexed: 11/13/2022] Open
Abstract
Objective: The key element in the pathogenesis of systemic sclerosis (SSc) is microcirculatory changes in several vascular beds. Uric acid is associated with endothelial dysfunction and therefore, microvascular damage. The aim of this study was to examine the association between uric acid (UA) and peripheral microvascular involvement in patients with SSc. Methods: We included consecutive, consenting patients with SSc. Serum UA, urea and creatinine were measured, and glomerular filtration rate (GFR) was calculated with CKD-EPI. All participants underwent nailfold video-capillaroscopy (NVC) to evaluate the microcirculation. Results: A total of 64 patients (95.3% women) were included in the study. UA levels were significantly associated with the number of avascular areas (r = 0.290; p = 0.020), whereas no correlation was shown for the GFR (r = -0.065; p = 0.609). A significant trend of UA in the three capillaroscopic patterns was shown (3.90 ± 1.52 vs. 4.15 ± 0.98 vs. 5.38 ± 2.26; for early, active, and late patterns respectively, p = 0.028). Multivariate analysis showed that male gender (β = 3.049; 95% CI = 0.997-5.101) and UA (β = 0.352; 95% CI = 0.117-0.588) were independently associated with the number of avascular areas. Conclusion: These data suggest that UA levels are significantly associated with the capillaroscopic patterns, reflecting a progressive microvasculopathy.
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Affiliation(s)
- Eleni Pagkopoulou
- Fourth Department of Internal Medicine, Hippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Stergios Soulaidopoulos
- First Department of Cardiology, Hippokration General Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Eva Triantafyllidou
- Fourth Department of Internal Medicine, Hippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | | | - George D Kitas
- Department of Rheumatology, Dudley Group of Hospitals, NS Foundation Trust, Dudley, United Kingdom.,Arthritis Research UK Centre for Epidemiology, University of Manchester, Manchester, United Kingdom
| | - Alexandros Garyfallos
- Fourth Department of Internal Medicine, Hippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Theodoros Dimitroulas
- Fourth Department of Internal Medicine, Hippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
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13
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Omelyanenko KV, Gorshkov AY, Fedorovich AA, Korolev AI, Dadaeva VA, Akasheva DU, Drapkina OM. Sex features of cutaneous microvasculature in healthy working-age people. КАРДИОВАСКУЛЯРНАЯ ТЕРАПИЯ И ПРОФИЛАКТИКА 2022. [DOI: 10.15829/1728-8800-2021-3111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
Aim. To study sex characteristics of cutaneous microvascular structure and function in a cohort of healthy working-age people without cardiovascular diseases.Material and methods. The study included 35 healthy men (42±4 years) and 34 women (41 ±5 years). The cardiovascular system was assessed in all patients. The microcirculatory bed of the skin was investigated by the following non-invasive methods: 1) computerized video capillaroscopy; 2) laser Doppler flowmetry; 3) photoplethysmography.Results. According to computerized video capillaroscopy in men, compared with women, there was a smaller number of both functioning capillaries (78 vs 86 capillaries/mm2, respectively (p<0,05)) and their total number (100 vs 120 capillaries/mm2, respectively (p<0,001)). Against the background of a decrease in capillary density in men, there was a higher skin interstitial hydration — 113 vs 96 gm (p<0,005) in men than in women. At the level of precapillary arterioles, where humoral tone regulation prevails. Laser Doppler flowmetry revealed lower pulse amplitude in men than in women — 0,87 vs 1,02 pf, respectively (p<0,05), which indicates a lower arterial blood inflow to exchange microvessels. Against this background, the constrictor response of precapillary arterioles to a sympathetic nervous system stimulation in men is higher than in women — 45% vs 40%, respectively (p<0,05). At the level of large arterioles, where neural tone regulation prevails, photoplethysmography revealed lower augmentation index standardized at a heart rate in men (-4,6 vs 1,7%, respectively, p<0,05), which indicates lower rigidity of muscular vessels in men.Conclusion. In working-age healthy people, sex differences are noted at all cutaneous microvascular levels, which must be taken into account when planning studies.
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Affiliation(s)
- K. V. Omelyanenko
- National Medical Research Center for Therapy and Preventive Medicine
| | - A. Yu. Gorshkov
- National Medical Research Center for Therapy and Preventive Medicine
| | - A. A. Fedorovich
- National Medical Research Center for Therapy and Preventive Medicine; Institute of Biomedical Problems
| | - A. I. Korolev
- National Medical Research Center for Therapy and Preventive Medicine
| | - V. A. Dadaeva
- National Medical Research Center for Therapy and Preventive Medicine; Peoples’ Friendship University of Russia
| | - D. U. Akasheva
- National Medical Research Center for Therapy and Preventive Medicine
| | - O. M. Drapkina
- National Medical Research Center for Therapy and Preventive Medicine
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14
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Ruaro B, Bruni C, Wade B, Baratella E, Confalonieri P, Antonaglia C, Geri P, Biolo M, Confalonieri M, Salton F. Laser Speckle Contrast Analysis: Functional Evaluation of Microvascular Damage in Connective Tissue Diseases. Is There Evidence of Correlations With Organ Involvement, Such as Pulmonary Damage? Front Physiol 2021; 12:710298. [PMID: 34707506 PMCID: PMC8542764 DOI: 10.3389/fphys.2021.710298] [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: 05/15/2021] [Accepted: 09/21/2021] [Indexed: 11/13/2022] Open
Abstract
Laser speckle contrast analysis (LASCA) is a non-contact technique able to quantify peripheral blood perfusion (PBP) over large skin areas. LASCA has been used to study hand PBP in several clinical conditions. These include systemic sclerosis (SSc) and systemic lupus erythematosus (SLE) and LASCA showed that PBP was significantly lower in these conditions than in healthy subjects (HS). Moreover, it has been demonstrated that LASCA is a safe technique also able to monitor digital ulcer perfusion and their evolution in SSc patients, during systemic and local treatment. The use of LASCA, coupled with reactivity tests is commonplace in the field of microvascular function research. Post-occlusive hyperemia reactivity (POHR) and local thermal hyperemia, associated with laser techniques are reliable tests in the evaluation of perfusion in SSc patients. Other studies used laser speckled techniques, together with acetylcholine and sodium nitroprusside iontophoresis, as specific tests of endothelium function. In conclusion, LASCA is a safe, non-contact reliable instrument for the quantification of PBP at skin level and can also be associated with reactivity tests to monitor disease progression and response to treatment in different connective tissue diseases.
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Affiliation(s)
- Barbara Ruaro
- Unit of Pulmonology, University Hospital of Trieste, Trieste, Italy
| | - Cosimo Bruni
- Department of Experimental and Clinical Medicine, Division of Rheumatology, Careggi University Hospital, University of Florence, Florence, Italy
| | - Barbara Wade
- AOU City of Health and Science of Turin, Department of Science of Public Health and Pediatrics, University of Turin, Turin, Italy
| | - Elisa Baratella
- Department of Radiology, Department of Medicine, Surgery and Health Science, University of Trieste, Trieste, Italy
| | | | | | - Pietro Geri
- Unit of Pulmonology, University Hospital of Trieste, Trieste, Italy
| | - Marco Biolo
- Unit of Pulmonology, University Hospital of Trieste, Trieste, Italy
| | | | - Francesco Salton
- Unit of Pulmonology, University Hospital of Trieste, Trieste, Italy
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15
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The Promising Role of a Superb Microvascular Imaging Technique in the Evaluation of Raynaud's Syndrome in Systemic Sclerosis: Theory and Practical Challenges. Diagnostics (Basel) 2021; 11:diagnostics11101743. [PMID: 34679441 PMCID: PMC8535079 DOI: 10.3390/diagnostics11101743] [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: 08/25/2021] [Revised: 09/18/2021] [Accepted: 09/21/2021] [Indexed: 11/27/2022] Open
Abstract
In recent years, a novel Doppler ultrasonography (US) modality—superb microvascular imaging (SMI)—has been presented as a reliable method to evaluate small vessel blood flow with minimised motion artefacts. In this review, we present the challenges of incorporating SMI in daily practice with detailed and comparable US images of a fingertip. The main focus of this paper is the discussion of all tested US techniques, artefacts, and practical challenges for evaluating Raynaud’s syndrome in systemic sclerosis. Despite a few reports on SMI use in assessing nailfold capillaries, there is still a need for more evidence of its value and possibilities for its standardisation.
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16
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Peripheral microcirculatory abnormalities are associated with cardiovascular risk in systemic sclerosis: a nailfold video capillaroscopy study. Clin Rheumatol 2021; 40:4957-4968. [PMID: 34312764 DOI: 10.1007/s10067-021-05795-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 05/23/2021] [Accepted: 05/25/2021] [Indexed: 10/20/2022]
Abstract
INTRODUCTION Microvascular dysfunction is the key element in the pathogenesis of systemic sclerosis (SSc), whereas the contribution of large and medium size vessel abnormalities is yet to be established. The aim of the present study is to assess the association between micro- and macrovascular function by utilizing a broad spectrum of assessments of vascular performance. METHODS We included consecutive, consenting SSc patients who underwent nailfold video capillaroscopy (NVC) for microcirculation evaluation. Peripheral and central systolic and diastolic blood pressure, carotid intima-media thickness (cIMT), aortic augmentation index (AIx) corrected for a heart rate of 75 beats per minute (AIx-75), and carotid-femoral pulse wave velocity (PWV) were also performed to assess macrovascular function. Cardiovascular risk disease (CVD) algorithms were also calculated and included in the analysis. RESULTS A total of 81 patients (6 males) were studied with mean age 55.44 ± 13.40 years. Reduced capillary density was inversely correlated with arterial stiffness (Alx-75) and augmentation pressure (r = - 0.262, p = 0.018, and r = - 0.249, p = 0.025 respectively). Alx was significantly lower in the early compared to late pattern (28.24 ± 11.75 vs 35.63 ± 10.47, p = 0.036). A significant trend was found among NVC patterns with Alx-75 values being higher with the progression of microangiopathy towards the "late" group (26.36 ± 10.90 vs 30.81 ± 11.59 vs 35.21 ± 7.90, p = 0.027 for trend). Similarly, Framingham risk score and Atherosclerotic Cardiovascular Disease score were progressively higher across the worsening NVC patterns (4.10 ± 4.13 vs 2.99 ± 2.72 vs 6.36 ± 5.65, p = 0.023, and 6.99 ± 7.18 vs 5.63 ± 4.41 vs 12.09 ± 9.90, p = 0.019, respectively, for trends). Finally, QRISK3 (10-year cardiovascular disease risk) and ASCVD (Atherosclerotic Cardiovascular Disease) scores were inversely correlated with the number of capillaries (r = - 0.231, p = 0.048, and r = - 0.260, p = 0.038 respectively). CONCLUSION These data suggest that CVD risk scores and macrovascular parameters are strongly correlated with microvasculopathy in patients with SSc. Key Points • Microangiopathy is the hallmark of SSc, but the relationship between subclinical atherosclerosis and small vessel disease remains unknown. • Arterial stiffening and CVD risk scores are positively associated with the degree of progression of peripheral microvasculopathy assessed with NVC. • The results of the study suggest an association between NVC abnormalities and higher CVD risk in SSc patients.
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17
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Nailfold videocapillaroscopic changes in patients with pulmonary arterial hypertension associated with connective tissue diseases. Rheumatol Int 2021; 41:1289-1298. [PMID: 33978819 DOI: 10.1007/s00296-021-04839-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 03/06/2021] [Indexed: 01/05/2023]
Abstract
Pulmonary arterial hypertension (PAH) represents one of the most devastating complications in connective tissue diseases (CTDs). The aim of this study was to investigate the presence of peripheral microangiopathy in patients with PAH associated with CTDs (CTD-PAH) by exploring nailfold videocapillaroscopic (NVC) changes and identify possible associations of NVC characteristics with markers of disease severity. Α cross-sectional study was performed in 18 CTD-PAH patients [13 PAH due to systemic sclerosis (SSc-PAH) and 5 with other types of CTD-PAH], 14 patients with SSc without PAH (SSc-non-PAH) and 20 healthy controls. NVC quantitative and qualitative parameters were evaluated using Optilia Digital Capillaroscope. To ensure inter-observer repeatability, capillaroscopic images were reviewed by two independent investigators. When compared to healthy controls, patients with CTD-PAH (77.8% women, mean age 65.9 years) presented reduced capillary density (6.5 ± 1.6 loops/mm vs. 9.7 ± 0.7 loops/mm, p < 0.001) and increased capillary loop width (23.3 ± 10.1 μm vs. 11.2 ± 2.5 μm, p < 0.001). SSc-PAH patients presented lower capillary density in comparison with other CTD-PAH patients and SSc-non-PAH subjects and abnormal and disorganized capillaries compared to controls. Patients with other CTD-PAH had also reduced capillary density and increased loop diameter compared to controls. A significant linear correlation was identified between capillary density and estimated glomerular filtration rate in the total CTD-PAH population (r = 0.63, p = 0.007). In SSc-PAH group, capillary loop diameter was positively correlated to cardiac index (r = 0.61, p = 0.02). Significant NVC microvascular changes were detected in patients with various types of CTD-PAH, suggesting an impaired peripheral microcirculation parallel to pulmonary vasculopathy.
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18
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Nailfold Capillaroscopy in Systemic Sclerosis Patients with and without Pulmonary Arterial Hypertension: A Systematic Review and Meta-Analysis. J Clin Med 2021; 10:jcm10071528. [PMID: 33917407 PMCID: PMC8038744 DOI: 10.3390/jcm10071528] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 04/03/2021] [Accepted: 04/05/2021] [Indexed: 11/16/2022] Open
Abstract
Systemic sclerosis (SSc)-related pulmonary arterial hypertension (SSc-PAH) is a leading cause of mortality in SSc. The extent of peripheral microvasculopathy assessed through nailfold capillaroscopy might correlate with the presence of PAH in SSc patients. We searched the PubMed, Cochrane Library, Scopus, and Web of Science databases and performed a random effects meta-analysis of observational studies comparing nailfold capillaroscopic alterations in SSc-PAH versus SSc-noPAH patients. Weighted mean differences (WMD) with the corresponding confidence intervals (CIs) were estimated. The quality of the included studies was evaluated using a modified Newcastle-Ottawa scale. Seven studies with 101 SSc-PAH and 277 SSc-noPAH participants were included. Capillary density was marginally reduced in the SSc-PAH group (WMD: -1.0, 95% CI: -2.0 to 0.0, I2 = 86%). This effect was strengthened once PAH diagnosis was confirmed by right heart catheterization (WMD: -1.2, 95% CI: -2.3 to -0.1, I2 = 85%). An increase in capillary loop width was observed in SSc-PAH compared to SSc-noPAH patients (WMD: 10.9, 95% CI: 2.5 to 19.4, I2 = 78%). Furthermore, SSc-PAH patients had a 7.3 times higher likelihood of active or late scleroderma pattern (95% CI: 3.0 to 18.0, I2 = 4%). SSc-PAH patients presented with worse nailfold capillaroscopic findings compared to SSc-noPAH patients.
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19
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Arvanitaki A, Giannakoulas G, Triantafyllidou E, Feloukidis C, Boutou A, Garyfallos A, Karvounis H, Diller GP, Gatzoulis MA, Dimitroulas T. Peripheral microangiopathy in Eisenmenger syndrome: A nailfold video capillaroscopy study. Int J Cardiol 2021; 336:54-59. [PMID: 33741426 DOI: 10.1016/j.ijcard.2021.03.033] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 03/08/2021] [Accepted: 03/12/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND Eisenmenger syndrome (ES) comprises a severe phenotype of pulmonary arterial hypertension characterized by angiopathy of the lung circulation. The aim of the present study was to demonstrate the presence of systemic microvascular abnormalities in patients with ES using nailfold video-capillaroscopy (NVC) and to identify potential correlations of nailfold capillaroscopic characteristics with non-invasive markers of systemic organ function. METHODS Α cross-sectional NVC study was performed in 17 consecutive patients with ES and 17 healthy controls matched for age and sex. NVC quantitative (capillary density, capillary dimensions, haemorrhages, thrombi, shape abnormalities) and qualitative (normal, non-specific or scleroderma pattern) parameters were evaluated. RESULTS Patients with ES [median age 40 (18-65) years, 11 women] presented reduced capillary density [8.8 (7.2-10.2) loops/mm vs. 9.9 (8.3-10.9) loops/mm, p = .004] and increased loop width [15.9 (10.3-21.7) μm vs. 12.3 (7.6-15.2) μm, p < .001], while they had significantly more abnormal capillaries than healthy controls [2.5 (0.9-5.4) abnormal loops/mm vs. 1.0 (0.0-1.7) abnormal loops/mm, p < .001]. NVC shape abnormalities in ES were positively correlated with NT-proBNP (r = 0.52, p = .03) and were negatively associated with estimated glomerular filtration rate (r = -0.60, p = .02). Additionally, capillary loop diameter was positively correlated with increased haemoglobin levels (r = 0.55, p = .03) and negatively correlated with reduced peripheral oxygen saturation (r = - 0.56, p = .02). CONCLUSIONS This study supports the hypothesis of peripheral microvascular involvement in ES parallel to pulmonary microangiopathy detected by NVC. Further longitudinal studies are needed to confirm our preliminary results.
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Affiliation(s)
- Alexandra Arvanitaki
- First Department of Cardiology, AHEPA University Hospital, Medical School, Aristotle University of Thessaloniki, 1 St. Kyriakidi Street, 54636 Thessaloniki, Greece; Fourth Department of Internal Medicine, Hippokration University Hospital, Medical School, Aristotle University of Thessaloniki, 49 Konstantinoupoleos Street, 54642 Thessaloniki, Greece; Department of Cardiology III, Adult Congenital and Valvular Heart Centre, University Hospital Muenster, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany; Adult Congenital Heart Centre, National Centre for Pulmonary Arterial Hypertension, Royal Brompton Hospital, Imperial College, London, UK.
| | - George Giannakoulas
- First Department of Cardiology, AHEPA University Hospital, Medical School, Aristotle University of Thessaloniki, 1 St. Kyriakidi Street, 54636 Thessaloniki, Greece.
| | - Eva Triantafyllidou
- Fourth Department of Internal Medicine, Hippokration University Hospital, Medical School, Aristotle University of Thessaloniki, 49 Konstantinoupoleos Street, 54642 Thessaloniki, Greece.
| | - Christos Feloukidis
- First Department of Cardiology, AHEPA University Hospital, Medical School, Aristotle University of Thessaloniki, 1 St. Kyriakidi Street, 54636 Thessaloniki, Greece.
| | - Afroditi Boutou
- Department of Respiratory Medicine, G. Papanikolaou Hospital, Thessaloniki, Greece.
| | - Alexandros Garyfallos
- Fourth Department of Internal Medicine, Hippokration University Hospital, Medical School, Aristotle University of Thessaloniki, 49 Konstantinoupoleos Street, 54642 Thessaloniki, Greece.
| | - Haralambos Karvounis
- First Department of Cardiology, AHEPA University Hospital, Medical School, Aristotle University of Thessaloniki, 1 St. Kyriakidi Street, 54636 Thessaloniki, Greece.
| | - Gerhard-Paul Diller
- Department of Cardiology III, Adult Congenital and Valvular Heart Centre, University Hospital Muenster, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany.
| | - Michael A Gatzoulis
- Adult Congenital Heart Centre, National Centre for Pulmonary Arterial Hypertension, Royal Brompton Hospital, Imperial College, London, UK.
| | - Theodoros Dimitroulas
- Fourth Department of Internal Medicine, Hippokration University Hospital, Medical School, Aristotle University of Thessaloniki, 49 Konstantinoupoleos Street, 54642 Thessaloniki, Greece.
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20
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Dara A, Arvanitaki A, Theodorakopoulou M, Athanasiou C, Pagkopoulou E, Boutou A. Non-Invasive Assessment of Endothelial Dysfunction in Pulmonary Arterial Hypertension. Mediterr J Rheumatol 2021; 32:6-14. [PMID: 34386697 PMCID: PMC8314877 DOI: 10.31138/mjr.32.1.6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 01/25/2021] [Accepted: 01/26/2021] [Indexed: 01/01/2023] Open
Abstract
Pulmonary arterial hypertension (PAH) is characterised by an increased pressure in the pulmonary arterial circulation, resulting in the elevation of pulmonary vascular resistance. Pulmonary endothelial dysfunction and inflammation, triggered by shear stress and hypoxia, constitute the hallmarks of pulmonary vasculopathy by promoting endothelial and smooth muscle cells proliferation, vasoconstriction, and thrombosis. While research was predominantly focused on pulmonary vasculature, the investigation of peripheral endothelial damage in different vascular beds has attracted the interest over the last years. As a result, effective non-invasive methods that can assess the endothelial function and the architectural integrity have been utilized for the evaluation of pulmonary and peripheral vasculature. Non-invasive plethysmography, pulmonary flow reserve, nailfold videocapillaroscopy, near-infrared spectroscopy, and imaging techniques such as magnetic resonance angiography and perfusion imaging coupled by a number of biomarkers can be used for the assessment of peripheral vascular function in PAH individuals. In this review, we summarise and critically approach the current evidence of more systemic derangement of vascular function in PAH defined by novel, non-invasive methods employed for functional and morphological assessment of endothelium and microcirculation.
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Affiliation(s)
- Athanasia Dara
- Fourth Department of Internal Medicine, Hippokration University Hospital, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Alexandra Arvanitaki
- Fourth Department of Internal Medicine, Hippokration University Hospital, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece.,First Department of Cardiology, AHEPA University Hospital, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece.,Adult Congenital Heart Centre and National Centre for Pulmonary Arterial Hypertension, Royal Brompton Hospital, Guy's and St Thomas' NHS Foundation Trust, Imperial College, London, UK
| | | | - Christos Athanasiou
- Fourth Department of Internal Medicine, Hippokration University Hospital, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Eleni Pagkopoulou
- Fourth Department of Internal Medicine, Hippokration University Hospital, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Afroditi Boutou
- Department of Respiratory Medicine, G. Papanikolaou Hospital, Thessaloniki, Greece
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21
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Arvanitaki A, Giannakoulas G, Triantafyllidou E, Karvounis H, Garyfallos A, Kitas G, Dimitroulas T. Nailfold videocapillaroscopy: a novel possible surrogate marker for the evaluation of peripheral microangiopathy in pulmonary arterial hypertension. Scand J Rheumatol 2020; 50:85-94. [PMID: 32909481 DOI: 10.1080/03009742.2020.1786854] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Nailfold videocapillaroscopy (NVC) changes in systemic sclerosis (SSc) are correlated with vascular complications, such as pulmonary arterial hypertension (PAH), supporting a potential link between peripheral and internal organ vasculopathy. The current stage of knowledge regarding NVC and PAH is discussed, focusing on the assessment of peripheral microangiopathy and a potential relationship with functional, echocardiographic, and haemodynamic markers of cardiac dysfunction. A comprehensive literature search was carried out to identify all studies focusing on NVC findings in patients with PAH, diagnosed with right heart catheterization. The majority of the studies examined NVC findings in patients with SSc-PAH, while three studies reported NVC abnormalities in patients with idiopathic PAH. Besides the pulmonary vasculature, a systemic component of microangiopathy seems to be involved in PAH. Well-designed prospective trials are warranted to validate NVC as a biomarker, with clinical implications in the diagnostic evaluation, risk stratification, and overall management of PAH in the daily clinical setting.
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Affiliation(s)
- A Arvanitaki
- First Department of Cardiology, AHEPA University Hospital, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece.,Fourth Department of Internal Medicine, Hippokration University Hospital, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece.,Department of Cardiology III - Adult Congenital and Valvular Heart Disease, University Hospital Muenster, Muenster, Germany
| | - G Giannakoulas
- First Department of Cardiology, AHEPA University Hospital, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - E Triantafyllidou
- Fourth Department of Internal Medicine, Hippokration University Hospital, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - H Karvounis
- First Department of Cardiology, AHEPA University Hospital, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - A Garyfallos
- Fourth Department of Internal Medicine, Hippokration University Hospital, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - G Kitas
- Department of Rheumatology, Russells Hall Hospital, Dudley Group NHS FT, Dudley, UK
| | - T Dimitroulas
- Fourth Department of Internal Medicine, Hippokration University Hospital, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece.,Department of Rheumatology, Russells Hall Hospital, Dudley Group NHS FT, Dudley, UK
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Cardiovascular Risk in Systemic Sclerosis. CURRENT TREATMENT OPTIONS IN RHEUMATOLOGY 2020. [DOI: 10.1007/s40674-020-00152-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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23
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Association between coronary artery disease severity and videocapillaroscopic findings of nail fold capillary circulation. JOURNAL OF SURGERY AND MEDICINE 2020. [DOI: 10.28982/josam.683083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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The Role of Angiogenesis Factors in the Formation of Vascular Changes in Scleroderma by Assessment of the Concentrations of VEGF and sVEGFR2 in Blood Serum and Tear Fluid. Mediators Inflamm 2020; 2020:7649480. [PMID: 32410862 PMCID: PMC7204106 DOI: 10.1155/2020/7649480] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2019] [Revised: 11/10/2019] [Accepted: 12/30/2019] [Indexed: 11/18/2022] Open
Abstract
Systemic sclerosis (SSc) is a connective tissue disorder characterized by tissue hypoxia, excessive fibrosis of skin and internal organs, and angiogenesis imbalance. The aim of the study was to evaluate in SSc patients the association between the retinal microcirculation disturbances and the presence of peripheral trophic changes and to determine the role of angiogenesis factors in the formation of vascular changes in scleroderma. Twenty-five SSc patients and 25 age- and sex-matched healthy controls were included to the study. Assay of vascular endothelial growth factor (VEGF) and soluble VEGF receptor-2 (sVEGFR-2) in blood serum and tears was done for all patients and controls using enzyme-linked immunosorbent assay. Retinal blood circulation was investigated with fluorescein angiography (FA) in the SSc patients only. In our research, proportion of mainly hypertensive patients presenting with a large spectrum of retinal microvascular lesions was 72%, while proportion of patients with skin microvascular lesions within distal phalanxes of fingers and toes was 76%. We noticed that patients with pathological changes in the FA examination had finger ulcerations significantly more often than patients without changes in the eye fundus. There were no statistically significant differences in the serum concentration of VEGF and sVEGFR2 between subjects in both analyzed groups. Analysis of lower levels of VEGF (p = <0.001) and sVEGFR-2 (p = <0.001) in blood serum accompanied by simultaneous higher levels of VEGF/sVEGFR-2 ratio in tears of SSc patients, as compared with the control group, indicates the superiority of proangiogenic factors in patients' tears.
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Celińska-Löwenhoff M, Pastuszczak M, Pełka K, Stec-Polak M, Wojas-Pelc A, Musiał J. Associations between nailfold capillaroscopy findings and interstitial lung disease in patients with mixed connective tissue disease. Arch Med Sci 2020; 16:297-301. [PMID: 32190139 PMCID: PMC7069420 DOI: 10.5114/aoms.2018.81129] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Accepted: 10/25/2018] [Indexed: 12/20/2022] Open
Abstract
INTRODUCTION Mixed connective tissue disease (MCTD) is a chronic immune-mediated disorder defined by the combined presence of serum anti-RNP antibodies and distinct clinical features including progressive lung fibrosis. The aim of this study was to evaluate potential associations between lung fibrosis in MCTD and specific clinical and laboratory findings including results of nailfold capillaroscopy (NFC) examination. MATERIAL AND METHODS Patients with MCTD who were admitted to the Departments of Allergy and Immunology or Dermatology at the University Hospital of Krakow (Poland) in 2015-2018 were identified based on comprehensive individual record review. Diagnosis of MCTD required fulfilment of at least one of the four widely accepted sets of diagnostic criteria. Clinical and laboratory data were collected, and statistical analysis was performed to identify potential predictors of interstitial lung disease (ILD). RESULTS Thirty patients (90% females) aged 22-81 years met the study inclusion criteria. The mean duration of symptoms associated with MCTD was 7.3 months. Photosensitivity and Raynaud's phenomenon were the most common clinical manifestations (90% and 70%, respectively). Hand oedema, sclerodactyly and the presence of giant capillaries in NFC correlated significantly with the risk of lung involvement. In multivariate analysis, the presence of enlarged loops in NFC (giant capillaries) was identified as an independent factor for ILD (R 2 = 0.82, p < 0.0000001). CONCLUSIONS The NFC examination should be considered in all patients with a diagnosis of MCTD. The presence of giant capillaries may be a promising marker for interstitial lung disease in these patients, especially among those with a short duration of disease (i.e. < 1 year).
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Affiliation(s)
| | - Maciej Pastuszczak
- Department of Dermatology, Jagiellonian University Medical College, Krakow, Poland
| | - Karolina Pełka
- Department of Dermatology, Jagiellonian University Medical College, Krakow, Poland
| | - Magdalena Stec-Polak
- Department of Dermatology, Jagiellonian University Medical College, Krakow, Poland
| | - Anna Wojas-Pelc
- Department of Dermatology, Jagiellonian University Medical College, Krakow, Poland
| | - Jacek Musiał
- 2 Department of Medicine, Jagiellonian University Medical College, Krakow, Poland
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Soulaidopoulos S, Pagkopoulou E, Katsiki N, Triantafyllidou E, Karagiannis A, Garyfallos A, Kitas GD, Dimitroulas T. Arterial stiffness correlates with progressive nailfold capillary microscopic changes in systemic sclerosis: results from a cross-sectional study. Arthritis Res Ther 2019; 21:253. [PMID: 31775852 PMCID: PMC6882164 DOI: 10.1186/s13075-019-2051-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Accepted: 11/05/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND While microangiopathy is well-documented in systemic sclerosis (SSc), a potential link between SSc and macrovascular disease is highly debated and remains to be established. The aim of the present study is to investigate the association between micro- and macrovascular involvement in the setting of SSc. METHODS Consecutive, consenting SSc patients were assessed by nailfold video-capillaroscopy (NVC) to evaluate the microcirculation. The number of capillaries per mm2 and the capillaroscopic skin ulcer risk index (CSURI) were measured, and findings were also classified into three scleroderma patterns (i.e., early, active, and late). Carotid intima-media thickness (IMT), aortic augmentation index corrected for a heart rate of 75 beats per minute (AIx-75), carotid-femoral pulse wave velocity (PWV), and central systolic and diastolic blood pressure were also determined to assess macrovascular function. RESULTS A total of 37 patients were studied. A significant correlation was observed between AIx and the average number of capillaries per mm2 (r = - 0.34, p = 0.047) and between AIx and CSURI (r = 0.35, p = 0.044). Patients with the "early" scleroderma pattern had lower AIx values compared with "active" (20.5 ± 11.4 vs 34.1 ± 11.5%, p = 0.02) and "late" (20.5 ± 11.4 vs 33.4 ± 8.8%, p = 0.05) patterns. No other significant correlations were found between macrovascular biomarkers (PWV, carotid IMT, systolic and diastolic central blood pressure) and the capillaroscopic measurements. CONCLUSIONS These data suggest that arterial stiffness (as assessed by AIx-75) correlates with microvascular damage in patients with SSc.
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Affiliation(s)
- Stergios Soulaidopoulos
- Fourth Department of Internal Medicine, Hippokration General Hospital, Medical School, Aristotle University of Thessaloniki, Konstantinoupoleos Str. 49, Thessaloniki, Greece
| | - Eleni Pagkopoulou
- Fourth Department of Internal Medicine, Hippokration General Hospital, Medical School, Aristotle University of Thessaloniki, Konstantinoupoleos Str. 49, Thessaloniki, Greece
| | - Niki Katsiki
- Second Propedeutic Department of Internal Medicine, Hippokration General Hospital, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Eva Triantafyllidou
- Fourth Department of Internal Medicine, Hippokration General Hospital, Medical School, Aristotle University of Thessaloniki, Konstantinoupoleos Str. 49, Thessaloniki, Greece
| | - Asterios Karagiannis
- Second Propedeutic Department of Internal Medicine, Hippokration General Hospital, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Alexandros Garyfallos
- Fourth Department of Internal Medicine, Hippokration General Hospital, Medical School, Aristotle University of Thessaloniki, Konstantinoupoleos Str. 49, Thessaloniki, Greece
| | - George D Kitas
- Arthritis Research UK Centre for Epidemiology, University of Manchester, Manchester, UK.,Department of Rheumatology, Dudley Group NHS Foundation Trust, Dudley, UK
| | - Theodoros Dimitroulas
- Fourth Department of Internal Medicine, Hippokration General Hospital, Medical School, Aristotle University of Thessaloniki, Konstantinoupoleos Str. 49, Thessaloniki, Greece.
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Nailfold videocapillaroscopy alterations in dermatomyositis, antisynthetase syndrome, overlap myositis, and immune-mediated necrotizing myopathy. Clin Rheumatol 2019; 38:3451-3458. [DOI: 10.1007/s10067-019-04710-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2019] [Revised: 07/19/2019] [Accepted: 07/24/2019] [Indexed: 11/27/2022]
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Ruaro B, Smith V, Sulli A, Pizzorni C, Tardito S, Patané M, Paolino S, Cutolo M. Innovations in the Assessment of Primary and Secondary Raynaud's Phenomenon. Front Pharmacol 2019; 10:360. [PMID: 31073287 PMCID: PMC6495407 DOI: 10.3389/fphar.2019.00360] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 03/22/2019] [Indexed: 12/13/2022] Open
Abstract
Objectives: Raynaud's phenomenon (RP) is characterized by intense vasospasm of the digital arteries that causes characteristic color changes in fingers. There are two main types of RP: Primary RP (PRP) and Secondary RP (SRP). PRP is a benign condition. Whilst SRP is associated with several connective tissue diseases (CTD), in particular systemic sclerosis (SSc). The objectives of this report were: to present a short review on morphological (nailfold videocapillaroscopy, NVC) and functional techniques (laser tools and thermography) that allow for a correct diagnosis and treatment of RP and to investigate blood perfusion (BP) by laser speckle contrast analysis (LASCA) in different skin areas of hands and face in PRP, SRP to SSc, and healthy subjects (CNT). Methods: 31 PRP patients (LeRoy criteria), 70 SRP to SSc (ACR/EULAR criteria) and 68 CNT were enrolled. BP was assessed by LASCA at the level different areas of hands and face. NVC was performed to distinguish between PRP and SRP, and to detect the proper pattern of nailfold microangiopathy in SSc patients. Results: Both PRP and SRP showed a statistically significant lower BP than CNT at the level of fingertips (p < 0.0001), periungual (p < 0.0001), palmar aspect of 3rd finger (p < 0.0001), and palm areas (p < 0.0001). Moreover, BP was significantly lower in PRP than in SRP to SSc with the "Early" pattern of microangiopathy in the same areas as above (p < 0.04). Conclusion: By considering a small cohort of patients, BP of hands was found lower in PRP than in SSc patients with the "Early" NVC pattern of microangiopathy.
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Affiliation(s)
- Barbara Ruaro
- Research Laboratory and Academic Division of Clinical Rheumatology, Department of Internal Medicine (Di.M.I.), San Martino Polyclinic Hospital, University of Genova, Genova, Italy
| | - Vanessa Smith
- Department of Rheumatology, Ghent University Hospital, Ghent, Belgium
- Department of Internal Medicine, Ghent University, Ghent, Belgium
- Unit for Molecular Immunology and Inflammation, VIB Inflammation Research Center (IRC), Ghent, Belgium
| | - Alberto Sulli
- Research Laboratory and Academic Division of Clinical Rheumatology, Department of Internal Medicine (Di.M.I.), San Martino Polyclinic Hospital, University of Genova, Genova, Italy
| | - Carmen Pizzorni
- Research Laboratory and Academic Division of Clinical Rheumatology, Department of Internal Medicine (Di.M.I.), San Martino Polyclinic Hospital, University of Genova, Genova, Italy
| | - Samuele Tardito
- Research Laboratory and Academic Division of Clinical Rheumatology, Department of Internal Medicine (Di.M.I.), San Martino Polyclinic Hospital, University of Genova, Genova, Italy
| | - Massimo Patané
- Research Laboratory and Academic Division of Clinical Rheumatology, Department of Internal Medicine (Di.M.I.), San Martino Polyclinic Hospital, University of Genova, Genova, Italy
| | - Sabrina Paolino
- Research Laboratory and Academic Division of Clinical Rheumatology, Department of Internal Medicine (Di.M.I.), San Martino Polyclinic Hospital, University of Genova, Genova, Italy
| | - Maurizio Cutolo
- Research Laboratory and Academic Division of Clinical Rheumatology, Department of Internal Medicine (Di.M.I.), San Martino Polyclinic Hospital, University of Genova, Genova, Italy
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Repa A, Avgoustidis N, Kougkas N, Bertsias G, Zafiriou M, Sidiropoulos P. Nailfold Videocapillaroscopy as a Candidate Biomarker for Organ Involvement and Prognosis in Patients with Systemic Sclerosis. Mediterr J Rheumatol 2019; 30:48-50. [PMID: 32185343 PMCID: PMC7045911 DOI: 10.31138/mjr.30.1.48] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 02/28/2019] [Accepted: 02/05/2019] [Indexed: 11/04/2022] Open
Abstract
Background: Systemic Sclerosis (SSc) is a rare, multisystemic connective tissue disease associated with significant morbidity. Early recognition of patients at risk for adverse prognosis may help towards optimized monitoring and treatment, thus improving disease outcome. Objective: To correlate nailfold videocapillaroscopy (NVC) findings (‘early’, ‘active’, ‘late’ scleroderma patterns and non-specific capillary abnormalities) with major organ involvement and prognosis in patients with systemic sclerosis (SSc). Methods: Patients from the Scleroderma cohort followed at the Rheumatology clinic of the University Hospital of Heraklion will be included. The study will include a prospective and a retrospective part. Prospective part: All newly diagnosed patients will undergo NVC at baseline and subsequently every six months. We will review demographics, clinical features and autoantibodies status. Major organ involvement will be monitored (Pulmonary Function Test, DLCO, heart echocardiogram, chest XR, modified Rodnan skin score) at baseline and then every 6–12 months. Retrospective part: Existing SSc patients with available NVC data at diagnosis will be included. We will correlate the NVC findings at the time of diagnosis with disease outcomes such as major organ involvement, end stage organ failure, need for hospitalization, and death. We will also correlate longitudinal changes of the NVC patterns with treatment responses and outcomes.
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Affiliation(s)
- Argyro Repa
- Department of Rheumatology, Clinical Immunology and Allergy, University of Crete School of Medicine, Heraklion, Greece
| | - Nestor Avgoustidis
- Department of Rheumatology, Clinical Immunology and Allergy, University of Crete School of Medicine, Heraklion, Greece
| | - Nikos Kougkas
- Department of Rheumatology, Clinical Immunology and Allergy, University of Crete School of Medicine, Heraklion, Greece
| | - George Bertsias
- Department of Rheumatology, Clinical Immunology and Allergy, University of Crete School of Medicine, Heraklion, Greece
| | - Michalis Zafiriou
- Department of Rheumatology, Clinical Immunology and Allergy, University of Crete School of Medicine, Heraklion, Greece
| | - Prodromos Sidiropoulos
- Department of Rheumatology, Clinical Immunology and Allergy, University of Crete School of Medicine, Heraklion, Greece
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Unmet Needs in Systemic Sclerosis Understanding and Treatment: the Knowledge Gaps from a Scientist's, Clinician's, and Patient's Perspective. Clin Rev Allergy Immunol 2019; 55:312-331. [PMID: 28866756 PMCID: PMC6244948 DOI: 10.1007/s12016-017-8636-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Systemic sclerosis (SSc) is a highly heterogeneous disease caused by a complex molecular circuitry. For decades, clinical and molecular research focused on understanding the primary process of fibrosis. More recently, the inflammatory, immunological and vascular components that precede the actual onset of fibrosis, have become a matter of increasing scientific scrutiny. As a consequence, the field has started to realize that the early identification of this syndrome is crucial for optimal clinical care as well as for understanding its pathology. The cause of SSc cannot be appointed to a single molecular pathway but to a multitude of molecular aberrances in a spatial and temporal matter and on the backbone of the patient's genetic predisposition. These alterations underlie the plethora of signs and symptoms which patients experience and clinicians look for, ultimately culminating in fibrotic features. To solve this complexity, a close interaction among the patient throughout its "journey," the clinician through its clinical assessments and the researcher with its experimental design, seems to be required. In this review, we aimed to highlight the features of SSc through the eyes of these three professionals, all with their own expertise and opinions. With this unique setup, we underscore the importance of investigating the role of environmental factors in the onset and perpetuation of SSc, of focusing on the earliest signs and symptoms preceding fibrosis and on the application of holistic research approaches that include a multitude of potential molecular alterations in time in an unbiased fashion, in the search for a patient-tailored cure.
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Nagy A, Rentka A, Nemeth G, Ziad H, Szücs G, Szekanecz Z, Gesztelyi R, Zsuga J, Aszalos Z, Szodoray P, Kemeny-Beke A. Corneal Manifestations of Systemic Sclerosis. Ocul Immunol Inflamm 2018; 27:968-977. [PMID: 30015530 DOI: 10.1080/09273948.2018.1489556] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Purpose: Corneal involvement in systemic sclerosis (SSc) is rare, but due to rich collagen composition cornea is especially vulnerable to connective tissue diseases. Therefore, our aim was to evaluate corneal parameters of SSc patients. Methods: The study included 32 SSc patients and 39 control subjects with no ocular symptoms or ocular surface disorders. All study participants underwent Pentacam evaluation and objective signs of dry eye disease (DED), and clinical parameters were evaluated. Results: All pachymetric values, most of the corneal front surface, corneal volume, as well as anterior chamber depth measurements were significantly lower in the SSc group than in the control group (p < 0.05). Significant negative correlation was found between corneal parameters and age on the one hand, and disease duration on the other. Conclusions: Early recognition of corneal impairment, a possible extraintestinal manifestation of SSc, should be included in the check-up of the disease in order to reduce sight-threatening complications.
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Affiliation(s)
- Annamaria Nagy
- Department of Ophthalmology, Faculty of Medicine, University of Debrecen , Debrecen , Hungary
| | - Aniko Rentka
- Department of Ophthalmology, Faculty of Medicine, University of Debrecen , Debrecen , Hungary
| | - Gabor Nemeth
- Department of Ophthalmology, Faculty of Medicine, University of Debrecen , Debrecen , Hungary.,Department of Ophthalmology, Borsod-Abauj-Zemplen County Hospital and University Teaching Hospital , Miskolc , Hungary
| | - Hassan Ziad
- Orbi-Dent Refractive Surgery and Medical Centre , Debrecen , Hungary
| | - Gabriella Szücs
- Department of Rheumatology, Institute of Medicine, Faculty of Medicine, University of Debrecen , Debrecen , Hungary
| | - Zoltán Szekanecz
- Department of Rheumatology, Institute of Medicine, Faculty of Medicine, University of Debrecen , Debrecen , Hungary
| | - Rudolf Gesztelyi
- Department of Pharmacology and Pharmacotherapy, Faculty of Medicine, University of Debrecen , Debrecen , Hungary
| | - Judit Zsuga
- Department of Health Systems Management and Quality Management in Health Care, Faculty of Public Health, University of Debrecen , Debrecen , Hungary
| | - Zsuzsa Aszalos
- Department of Immunology, Institute of Medicine, Faculty of Medicine, University of Debrecen , Debrecen , Hungary
| | - Peter Szodoray
- Institute of Immunology, Rikshospitalet, Oslo University Hospital , Oslo , Norway
| | - Adam Kemeny-Beke
- Department of Ophthalmology, Faculty of Medicine, University of Debrecen , Debrecen , Hungary
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Barth Z, Schwartz T, Flatø B, Aaløkken TM, Koller A, Lund MB, Sjaastad I, Sanner H. Association Between Nailfold Capillary Density and Pulmonary and Cardiac Involvement in Medium to Longstanding Juvenile Dermatomyositis. Arthritis Care Res (Hoboken) 2018; 71:492-497. [PMID: 29953739 DOI: 10.1002/acr.23687] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Accepted: 06/26/2018] [Indexed: 11/11/2022]
Abstract
OBJECTIVE To explore the associations between microvascular abnormalities as assessed by nailfold capillaroscopy (NFC) and pulmonary and cardiac involvement in patients with juvenile dermatomyositis (DM) who are assessed after medium- to long-term follow-up. METHODS Fifty-eight patients with juvenile DM were examined a mean ± SD of 17.0 ± 10.6 years after symptom onset. Nailfold capillary density (NCD) and a neovascular pattern (defined as an active or late scleroderma pattern) were analyzed, with blinding to clinical data. Pulmonary involvement was assessed by pulmonary function tests including spirometry, diffusing capacity for carbon monoxide (DLco), and body plethysmography. High-resolution computed tomography (HRCT) was also performed. Cardiac involvement was assessed by electrocardiography, Holter monitoring (heart rate variability), and echocardiography. RESULTS Patients with low NCD (<6 capillaries/mm) (n = 21), compared to patients with normal NCD (≥6 capillaries/mm) (n = 37) had lower forced vital capacity (89.7% versus 98.5% predicted), total lung capacity (87.8% versus 94.5% predicted), and more often had low DLco values (15 [71%] of 21 patients versus 14 [38%] of 37 controls) (all P < 0.05). Use of HRCT to assess airway disease was more frequent in the group with low NCD (6 [30%] of 20 patients versus 3 [8%] of 36 patients in the normal NCD group; P = 0.034). No associations between NCD and cardiac parameters or between neovascular pattern and pulmonary or cardiac parameters were observed. CONCLUSION In patients with juvenile DM, low NCD was associated with lung involvement, which was mostly subclinical. No significant associations with cardiac involvement were observed. These results shed light on possible mechanisms underlying organ involvement, but further and preferably larger studies are needed to identify NCD as a potential biomarker for lung and cardiac involvement in juvenile DM.
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Affiliation(s)
- Zoltan Barth
- Institute for Experimental Medical Research and K. G. Jebsen Center for Cardiac Research, Oslo University Hospital-Ullevål and University of Oslo, Oslo, Norway, Institute for Translational Medicine, Medical School, University of Pécs, Pécs, Hungary, and Bjørknes University College, Oslo, Norway
| | - Thomas Schwartz
- Institute for Experimental Medical Research and K. G. Jebsen Center for Cardiac Research, Oslo University Hospital-Ullevål and University of Oslo, Oslo, Norway
| | - Berit Flatø
- Oslo University Hospital-Rikshospitalet and Institute for Clinical Medicine, University of Oslo, Oslo, Norway
| | | | - Akos Koller
- Medical School, University of Pécs, Pécs, Hungary, and University of Physical Education, Budapest, Hungary
| | - May B Lund
- Institute for Clinical Medicine, University of Oslo and Oslo University Hospital-Rikshospitalet, Oslo, Norway
| | - Ivar Sjaastad
- Institute for Experimental Medical Research and K. G. Jebsen Center for Cardiac Research, Oslo University Hospital-Ullevål and University of Oslo, Oslo, Norway
| | - Helga Sanner
- Bjørknes University College and Oslo University Hospital-Rikshospitalet, Oslo, Norway
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Cutolo M, Vanhaecke A, Ruaro B, Deschepper E, Ickinger C, Melsens K, Piette Y, Trombetta AC, De Keyser F, Smith V. Is laser speckle contrast analysis (LASCA) the new kid on the block in systemic sclerosis? A systematic literature review and pilot study to evaluate reliability of LASCA to measure peripheral blood perfusion in scleroderma patients. Autoimmun Rev 2018; 17:775-780. [PMID: 29885540 DOI: 10.1016/j.autrev.2018.01.023] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Accepted: 01/31/2018] [Indexed: 12/20/2022]
Abstract
OBJECTIVES A reliable tool to evaluate flow is paramount in systemic sclerosis (SSc). We describe herein on the one hand a systematic literature review on the reliability of laser speckle contrast analysis (LASCA) to measure the peripheral blood perfusion (PBP) in SSc and perform an additional pilot study, investigating the intra- and inter-rater reliability of LASCA. METHODS A systematic search was performed in 3 electronic databases, according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. In the pilot study, 30 SSc patients and 30 healthy subjects (HS) underwent LASCA assessment. Intra-rater reliability was assessed by having a first anchor rater performing the measurements at 2 time-points and inter-rater reliability by having the anchor rater and a team of second raters performing the measurements in 15 SSc and 30 HS. The measurements were repeated with a second anchor rater in the other 15 SSc patients, as external validation. RESULTS Only 1 of the 14 records of interest identified through the systematic search was included in the final analysis. In the additional pilot study: intra-class correlation coefficient (ICC) for intra-rater reliability of the first anchor rater was 0.95 in SSc and 0.93 in HS, the ICC for inter-rater reliability was 0.97 in SSc and 0.93 in HS. Intra- and inter-rater reliability of the second anchor rater was 0.78 and 0.87. CONCLUSIONS The identified literature regarding the reliability of LASCA measurements reports good to excellent inter-rater agreement. This very pilot study could confirm the reliability of LASCA measurements with good to excellent inter-rater agreement and found additionally good to excellent intra-rater reliability. Furthermore, similar results were found in the external validation.
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Affiliation(s)
- Maurizio Cutolo
- Research Laboratory and Academic Division of Clinical Rheumatology, Department of Internal Medicine, University of Genoa, Via Balbi 5, Genoa, Italy.
| | - Amber Vanhaecke
- Department of Rheumatology, Ghent University Hospital, Department of Internal Medicine, Ghent University, Corneel Heymanslaan 10, Ghent, Belgium.
| | - Barbara Ruaro
- Research Laboratory and Academic Division of Clinical Rheumatology, Department of Internal Medicine, University of Genoa, Via Balbi 5, Genoa, Italy
| | - Ellen Deschepper
- Biostatistics Unit, Ghent University Hospital, Corneel Heymanslaan 10, Ghent, Belgium.
| | - Claudia Ickinger
- Division of Rheumatology, Chris Hani Baragwanath Academic Hospital, Faculty of Health Sciences, University of the Witwatersrand, PO Box Bertsham 2013, Johannesburg, South Africa.
| | - Karin Melsens
- Department of Rheumatology, Ghent University Hospital, Department of Internal Medicine, Ghent University, Corneel Heymanslaan 10, Ghent, Belgium.
| | - Yves Piette
- Department of Rheumatology, Ghent University Hospital, Corneel Heymanslaan 10, Ghent, Belgium.
| | - Amelia Chiara Trombetta
- Research Laboratory and Academic Division of Clinical Rheumatology, Department of Internal Medicine, University of Genoa, Via Balbi 5, Genoa, Italy
| | - Filip De Keyser
- Department of Rheumatology, Ghent University Hospital, Department of Internal Medicine, Ghent University, Corneel Heymanslaan 10, Ghent, Belgium.
| | - Vanessa Smith
- Department of Rheumatology, Ghent University Hospital, Department of Internal Medicine, Ghent University, Corneel Heymanslaan 10, Ghent, Belgium.
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36
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Cutolo M, Melsens K, Wijnant S, Ingegnoli F, Thevissen K, De Keyser F, Decuman S, Müller-Ladner U, Piette Y, Riccieri V, Ughi N, Vandecasteele E, Vanhaecke A, Smith V. Nailfold capillaroscopy in systemic lupus erythematosus: A systematic review and critical appraisal. Autoimmun Rev 2018; 17:344-352. [PMID: 29427827 DOI: 10.1016/j.autrev.2017.11.025] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Accepted: 11/02/2017] [Indexed: 01/03/2023]
Abstract
Nailfold capillaroscopy is an easy, non-invasive technique to assess microvascular involvement in rheumatic diseases. Multiple studies describe capillaroscopic changes in systemic lupus erythematosus (SLE), including a wide range of non-specific findings. On behalf of the European League Against Rheumatism (EULAR) study group on microcirculation in rheumatic diseases, a systematic review was done to obtain all original research studies (in English) in which SLE patients had capillaroscopy. Forty such studies are identified. This article firstly provides a résumé of the results of these studies according to capillaroscopic parameters (density, dimensions, morphology, haemorrhages), semi-quantitative assessment and qualitative assessment of capillaroscopy in SLE patients. Secondly, the correlations between capillaroscopic parameters in SLE patients and clinical and laboratory parameters (including auto-immune parameters) are outlined. The following capillaroscopic parameters are found to be significantly more prevalent in SLE patients compared to healthy controls: tortuous capillaries, abnormal morphology and haemorrhages. Hairpin-shaped capillaries are significantly less prevalent than in healthy persons. The semi-quantitatively determined nailfold capillaroscopic score (NFC score) in SLE patients is also higher than in healthy controls. Several correlations between clinical and laboratory parameters and capillaroscopic parameters are identified in the review. Disease activity is correlated with NFC score in seven studies, with abnormal morphology (i.e. "meandering") in one study and with haemorrhages in one study. Frequent attacks of Raynaud's phenomenon (RP) and gangrene are significantly correlated with dilated capillaries. In two studies a possible correlation between anti-SSA antibodies and lower density of capillaries is withheld. About other immune parameters conflicting results are found. In one study a significant negative correlation is found between 24-hour proteinuria and abnormal morphology (i.e. "meandering"). For the first time, an overview of the nailfold capillaroscopic changes that have been described in SLE and their correlations with clinical and laboratory findings is given. Further large-scale research on the identification of capillaroscopic changes in SLE and their correlations with standardised clinical and laboratory parameters, is ongoing at the EULAR study group on microcirculation in rheumatic diseases.
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Affiliation(s)
- Maurizio Cutolo
- Research Laboratory and Academic Unit of Clinical Rheumatology, Department of Internal Medicine, University of Genoa, Via Balbi 5, Genoa, Italy.
| | - Karin Melsens
- Department of Rheumatology, Ghent University Hospital, C. Heymanslaan 10, Ghent, Belgium; Department of Internal Medicine, Ghent University, C. Heymanslaan 10, Ghent, Belgium.
| | - Sara Wijnant
- Department of Internal Medicine, Ghent University, C. Heymanslaan 10, Ghent, Belgium.
| | - Francesca Ingegnoli
- Division of Rheumatology, ASST Gaetano Pini, Department of Clinical Sciences and Community Health, University of Milan, Piazza Cardinal Andrea Ferrari 1, Milan, Italy.
| | - Kristof Thevissen
- Department of Rheumatology, Ghent University Hospital, C. Heymanslaan 10, Ghent, Belgium.
| | - Filip De Keyser
- Department of Rheumatology, Ghent University Hospital, C. Heymanslaan 10, Ghent, Belgium; Department of Internal Medicine, Ghent University, C. Heymanslaan 10, Ghent, Belgium.
| | - Saskia Decuman
- Department of Internal Medicine, Ghent University, C. Heymanslaan 10, Ghent, Belgium.
| | - Ulf Müller-Ladner
- Rheumatology and Clinical Immunology, University of Giessen/Kerckhoff-Klinik, Benekestraße 2-8, 61231 Bad Nauheim, Germany.
| | - Yves Piette
- Department of Rheumatology, Ghent University Hospital, C. Heymanslaan 10, Ghent, Belgium.
| | - Valeria Riccieri
- Department of Internal Medicine and Clinical Specialities, Sapienza University, Piazzale Aldo Moro 5, Rome, Italy.
| | - Nicola Ughi
- Division of Rheumatology, ASST Gaetano Pini, Department of Clinical Sciences and Community Health, University of Milan, Piazza Cardinal Andrea Ferrari 1, Milan, Italy
| | - Els Vandecasteele
- Department of Cardiology, Ghent University Hospital, C. Heymanslaan 10, Ghent, Belgium; Department of Internal Medicine, Ghent University, C. Heymanslaan 10, Ghent, Belgium.
| | - Amber Vanhaecke
- Department of Rheumatology, Ghent University Hospital, C. Heymanslaan 10, Ghent, Belgium; Department of Internal Medicine, Ghent University, C. Heymanslaan 10, Ghent, Belgium.
| | - Vanessa Smith
- Department of Rheumatology, Ghent University Hospital, C. Heymanslaan 10, Ghent, Belgium; Department of Internal Medicine, Ghent University, C. Heymanslaan 10, Ghent, Belgium.
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