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Sonaglioni A, Fagiani V, Nicolosi GL, Lombardo M. Echocardiographic assessment of left ventricular mechanics in individuals with mitral valve prolapse: a systematic review and meta-analysis. THE INTERNATIONAL JOURNAL OF CARDIOVASCULAR IMAGING 2024; 40:1617-1629. [PMID: 38976111 DOI: 10.1007/s10554-024-03179-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Accepted: 06/28/2024] [Indexed: 07/09/2024]
Abstract
PURPOSE During the last decade, a number of echocardiographic studies have employed speckle tracking echocardiography (STE) for assessing myocardial deformation properties in individuals with mitral valve prolapse (MVP), reporting not univocal results. Accordingly, we performed a systematic review and meta-analysis to summarize the main findings of these studies and to examine the overall influence of MVP on left ventricular (LV) global longitudinal strain (GLS). METHODS All echocardiographic studies assessing conventional echoDoppler parameters and myocardial strain indices in MVP individuals vs. controls without MVP, selected from PubMed and EMBASE databases, were included. The risk of bias was assessed by using the National Institutes of Health (NIH) Quality Assessment of Case-Control Studies. Continuous data (LV-GLS) were pooled as a standardized mean difference (SMD) comparing MVP group with healthy controls. The overall SMD of LV-GLS was calculated using the random-effect model. RESULTS The full-texts of 15 studies with 1088 individuals with MVP and 591 healthy controls were analyzed. Average LV-GLS magnitude was significantly, even though modestly, reduced in MVP individuals in comparison to controls (19.4 ± 3.4% vs. 21.1 ± 2.8%, P < 0.001). The overall effect of MVP on LV-GLS was small-to-medium (SMD - 0.54, 95%CI -0.76,-0.32, P < 0.001). Substantial heterogeneity was detected for the included studies, with an overall I2 statistic value of 75.9% (P < 0.001). Egger's test for a regression intercept gave a P-value of 0.58, indicating no publication bias. On meta-regression analysis, none of the moderators (the age, the percentage of females among MVP individuals, body mass index, heart rate and systolic blood pressure of MVP individuals, the degree of mitral regurgitation, the type of ultrasound machine employed for strain echocardiographic imaging and finally the beta blocker treatment) was significantly associated with effect modification (all P < 0.05). Regional strain analysis, performed by two-third of the studies, highlighted a more enhanced reduction in myocardial strain parameters at level of the LV basal infero-lateral segments in all directions (longitudinal, circumferential and radial), with apical sparing. CONCLUSIONS The longitudinal strain impairment detected in MVP individuals is more regional than global, with peculiar involvement of the LV basal infero-lateral segments and relative apical sparing pattern.
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Sonaglioni A, Nicolosi GL, Lombardo M. The relationship between mitral valve prolapse and thoracic skeletal abnormalities in clinical practice: a systematic review. J Cardiovasc Med (Hagerstown) 2024; 25:353-363. [PMID: 38526955 DOI: 10.2459/jcm.0000000000001614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
BACKGROUND Literature data suggest high inter-study variability in mitral valve prolapse (MVP) prevalence among individuals with thoracic skeletal abnormalities (TSA). This systematic review aimed at estimating the overall prevalence of MVP in individuals with the most common TSA, including not only the oldest studies (before the year 2000) but also the most recent ones (after the year 2000). METHODS PubMed and EMBASE databases were systematically reviewed in November 2023. Studies assessing the relationship between MVP and TSA and estimating the MVP prevalence in pectus excavatum (PE), pectus carinatum (PC), scoliosis, straight back syndrome (SBS) and Marfan syndrome (MS) were included. There was no limitation on time periods. RESULTS Twenty-five studies with a total of 2800 patients (27.9 ± 13.9 years, 48.2% females) were analyzed. The highest prevalence of MVP was observed among MS patients (47.3%), while the lowest was detected in PC individuals (23%). Prevalence of MVP was similar among PE (30.8%), scoliosis (26.3%) and SBS (25.5%) patients. When dividing the studies on the basis of temporal period, the average MVP prevalence was approximately two-fold higher in all studies conducted before the year 2000 in comparison with the most recent ones, regardless of TSA type. This discrepancy might be primarily ascribed to relevant differences in the echocardiographic criteria employed for MVP diagnosis before (less specific) and after (more specific) the year 2000, respectively. CONCLUSIONS The estimated MVP prevalence in TSA individuals is significantly higher than that observed in the general population. Individuals with TSA should be screened for MVP presence on transthoracic echocardiography.
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Sonaglioni A, Grasso E, Nicolosi GL, Lombardo M. Modified Haller Index is inversely associated with asymptomatic status in atrial fibrillation patients undergoing electrical cardioversion: a preliminary observation. Minerva Cardiol Angiol 2024; 72:190-203. [PMID: 38127440 DOI: 10.23736/s2724-5683.23.06446-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
BACKGROUND No previous study evaluated the possible influence of chest wall conformation on symptoms perception in atrial fibrillation (AF) patients candidates for electrical cardioversion (ECV). We aimed at evaluating the anthropometric and clinical characteristics of patients with persistent AF undergoing ECV, categorized according to the presence or absence of symptoms. METHODS This study retrospectively analyzed a series of persistent AF patients scheduled for early ECV who underwent pre-procedural clinical evaluation, MHI (the ratio of chest transverse diameter over the distance between sternum and spine) assessment, transthoracic and transesophageal echocardiography implemented with strain analysis of both left atrium and left atrial appendage. Thromboembolic risk and burden of comorbidities were assessed by CHA2DS2-VASc Score and Charlson Comorbidity Index (CCI), respectively. The independent predictors of "asymptomatic AF" were assessed. RESULTS A total of 25 asymptomatic and 90 symptomatic AF patients were retrospectively examined. Compared to symptomatic AF patients, those asymptomatic were significantly older (78.4±3.8 vs. 71.0±7.7 years, P<0.001), predominantly males (84 vs. 44.4%, P<0.001), with significantly lower MHI (2.0±0.1 vs. 2.4±0.1, P<0.001), higher CHA2DS2-VASc Score (5.8±1.1 vs. 3.6±1.1, P<0.001) and CCI (6.8±1.4 vs. 2.3±0.9, P<0.001), and greater impairment in biventricular systolic function and atrio-auricolar myocardial strain indices. On multivariate logistic regression analysis, CHA2DS2-VASc Score (OR=2.65, 95% CI: 1.53-4.60) and CCI (OR=2.36, 95% CI: 1.16-4.66) were linearly associated with the endpoint "asymptomatic AF," whereas MHI (OR 0.76, 95% CI 0.59-0.97) was inversely associated with the asymptomatic status. A MHI <2.2 was the best cut-off for detecting asymptomatic AF patients. CONCLUSIONS MHI is inversely associated with asymptomatic status in persistent AF patients undergoing ECV. MHI assessment might represent an innovative practical approach to AF patients.
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Affiliation(s)
| | - Enzo Grasso
- Division of Cardiology, IRCCS MultiMedica, Milan, Italy
| | - Gian L Nicolosi
- Division of Cardiology, Policlinico San Giorgio, Pordenone, Italy
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Sonaglioni A, Nicolosi GL, Granato A, Bonanomi A, Rigamonti E, Lombardo M. Influence of chest wall conformation on reproducibility of main echocardiographic indices of left ventricular systolic function. Minerva Cardiol Angiol 2024; 72:111-124. [PMID: 38231080 DOI: 10.23736/s2724-5683.23.06475-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
BACKGROUND The possible influence of chest wall conformation, as noninvasively assessed by Modified Haller Index (MHI, the ratio of chest transverse diameter over the distance between sternum and spine), on reproducibility of both left ventricular ejection fraction (LVEF) and global longitudinal strain (GLS) has never been previously investigated. METHODS Two equal groups of healthy individuals, matched by age, sex, and cardiovascular risk factors and categorized according to MHI in those with concave-shaped chest wall (MHI>2.5) and those with normal chest shape (MHI≤2.5), who underwent transthoracic echocardiography implemented with echocardiographic deformation imaging between June 2018 and May 2019, were retrospectively analyzed. LVEF and GLS were measured twice by the two echocardiographers in a double blinded manner. Intra-class correlation coefficients (ICCs), bias and limits of agreement determined with Bland-Altman analysis were calculated for repeated measurements of both LVEF and GLS. RESULTS Thirty-four healthy individuals with MHI>2.5 (54.9±6.4 years, 58.8% females) and 34 matched controls with MHI≤2.5 (52.5±8.1 years, 50% females) were separately analyzed. In comparison to MHI≤2.5 group, the MHI>2.5 group was found with significantly smaller cardiac chambers and significantly lower GLS magnitude (-15.8±2.5 vs. -22.2±1.3%, P<0.001), despite similar LVEF (61.3±6.4 vs. 61.1±3.6%, P=0.87). In the MHI>2.5 group, intra-rater and inter-rater ICCs were ≤0.5 for both LVEF and LV-GLS, whereas in the MHI≤2.5 group intra-rater and inter-rater ICCs values indicated good reliability for LVEF and excellent reliability for GLS. The greatest bias and largest limits of agreement were detected for LVEF assessment (bias ranging from -1.09 to 2.94%, with the 95% limits of agreement ranging from -13.9 to 21.3%) in individuals with MHI>2.5. On the other hand, the smallest bias and narrowest limits of agreement were obtained for GLS measurement (bias ranging from -0.26 to 0.09%, with the 95% limits of agreement ranging from -1.4 to 1.4%) in participants with normal chest wall conformation (MHI≤2.5). CONCLUSIONS The test reliability of LVEF and GLS is strongly influenced by the chest wall conformation. MHI might represent an innovative approach for selecting the best echocardiographic method for LV systolic function estimation in the individual case.
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Affiliation(s)
- Andrea Sonaglioni
- Division of Cardiology, IRCCS MultiMedica, San Giuseppe Hospital, Milan, Italy -
| | - Gian L Nicolosi
- Division of Cardiology, San Giorgio Polyclinic, Pordenone, Italy
| | - Alberto Granato
- Department of Veterinary Sciences, University of Turin, Turin, Italy
| | - Andrea Bonanomi
- Department of Statistical Science, Sacred Heart Catholic University, Milan, Italy
| | | | - Michele Lombardo
- Division of Cardiology, IRCCS MultiMedica, San Giuseppe Hospital, Milan, Italy
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Sonaglioni A, Nicolosi GL, Lombardo M. Exercise-induced pseudo-ischaemic electrocardiographic changes in a female with concave-shaped chest wall. Eur Heart J Case Rep 2024; 8:ytae123. [PMID: 38515510 PMCID: PMC10957157 DOI: 10.1093/ehjcr/ytae123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 02/15/2024] [Accepted: 03/08/2024] [Indexed: 03/23/2024]
Affiliation(s)
- Andrea Sonaglioni
- Division of Cardiology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) MultiMedica, Via San Vittore 12, 2023 Milan, Italy
| | - Gian Luigi Nicolosi
- Division of Cardiology, Policlinico San Giorgio, Via Agostino Gemelli 10, 33170 Pordenone, Italy
| | - Michele Lombardo
- Division of Cardiology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) MultiMedica, Via San Vittore 12, 2023 Milan, Italy
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Sonaglioni A, Ferrulli A, Nicolosi GL, Lombardo M, Luzi L. The Influence of Anthropometrics on Cardiac Mechanics in Healthy Women With Opposite Obesity Phenotypes (Android vs Gynoid). Cureus 2024; 16:e51698. [PMID: 38187025 PMCID: PMC10768943 DOI: 10.7759/cureus.51698] [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] [Accepted: 01/05/2024] [Indexed: 01/09/2024] Open
Abstract
BACKGROUND The possible influence exerted by mechanical factors and/or compressive phenomena on myocardial strain parameters in healthy individuals with opposite obesity phenotypes (android vs gynoid) has never been previously investigated. Accordingly, we aimed at evaluating the relationship between anthropometrics, such as the waist-to-hip ratio (WHR), modified Haller index (MHI, the ratio of chest transverse diameter over the distance between sternum and spine), and epicardial adipose tissue (EAT), and left ventricular (LV)-global longitudinal strain (GLS), in healthy women with opposite obesity phenotypes (android vs gynoid). METHODS Forty healthy women with obesity (body mass index (BMI) ≥30 Kg/m2) and WHR ≥0.85 ("android group") (52.5±13.2 yrs), 40 age- and BMI-matched healthy women with obesityand WHR <0.78 ("gynoid group") (49.8±13.4 yrs) and 40 age-matched healthy women without obesity (BMI <30 Kg/m2) (controls) (50.3±12.5 yrs) were retrospectively analyzed. All women underwent transthoracic echocardiography implemented with echocardiographic strain analysis of all cardiac chambers. Correlation between LV-GLS and anthropometrics (WHR, MHI, and EAT) was assessed in both groups of obese women. Age, WHR, homeostasis model assessment for insulin resistance (HOMA-IR), and left ventricular mass index (LVMi) were included in the logistic regression analysis performed for evaluating the independent predictors of reduced LV-GLS magnitude (less negative than -20%) in women with android obesity. RESULTS Compared to the other groups of women, those with android obesity were found with significantly greater LVMi, higher LV filling pressures, and lower biventricular and biatrial deformation indices. A strong inverse correlation between LV-GLS and all anthropometrics (WHR, MHI, and EAT) was demonstrated in both groups of women with obesity. Univariate logistic regression analysis revealed that WHR (OR 1.58, 95%CI 1.22-2.03, p<0.001) and LVMi (OR 1.09, 95%CI 1.02-1.16, p=0.006) were independently correlated with LV-GLS impairment in women with android obesity. On multivariate logistic regression analysis, the WHR maintained a statistically significant association with the above-mentioned outcome (OR 1.68, 95%CI 1.14-2.48, p=0.009). Receiver operating characteristic (ROC) curve analysis showed that a WHR value ≥1.01 had 93% sensitivity and 100% specificity for detecting LV-GLS impairment in women with android obesity (AUC=0.98; 95%CI 0.96-1.00). CONCLUSIONS Anthropometrics may strongly influence cardiac mechanics in healthy women with obesity. The WHR is associated with reduced LV-GLS magnitude in healthy women with android obesity, independent of age, glycometabolic status, and LV size.
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Affiliation(s)
- Andrea Sonaglioni
- Cardiology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) MultiMedica, Milan, ITA
| | - Anna Ferrulli
- Endocrinology, Diabetes and Metabolism, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) MultiMedica, Milan, ITA
| | | | - Michele Lombardo
- Cardiology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) MultiMedica, Milan, ITA
| | - Livio Luzi
- Endocrinology, Diabetes and Metabolism, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) MultiMedica, Milan, ITA
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Sonaglioni A, Nicolosi GL. Does chest wall conformation influence myocardial strain parameters in COVID-19 patients with anxiety disorders? Am J Med Sci 2023; 366:157-159. [PMID: 37290742 PMCID: PMC10246302 DOI: 10.1016/j.amjms.2023.04.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 08/21/2022] [Accepted: 04/20/2023] [Indexed: 06/10/2023]
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Sonaglioni A, Nicolosi GL, Trevisan R, Lombardo M, Grasso E, Gensini GF, Ambrosio G. The influence of pectus excavatum on cardiac kinetics and function in otherwise healthy individuals: A systematic review. Int J Cardiol 2023; 381:135-144. [PMID: 37003372 DOI: 10.1016/j.ijcard.2023.03.058] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 02/28/2023] [Accepted: 03/27/2023] [Indexed: 04/03/2023]
Abstract
BACKGROUND A number of anterior chest wall deformities, most notably pectus excavatum (PE), may have a detrimental effect on cardiac motion and function. Interpretation of transthoracic echocardiography (TTE) and speckle-tracking echocardiography (STE) results may be hampered by the possible influence of PE on cardiac kinetics. METHODS A comprehensive search of all articles assessing cardiac function in PE individuals was carried out. Inclusion criteria were: 1) individuals aged >10 years; 2) studies providing objective assessment of chest deformity (Haller index). Studies that measured myocardial strain parameters in PE patients were also included. RESULTS The search (EMBASE and Medline) yielded a total of 392 studies, 36 (9.2%) of which removed as duplicates; a further 339 did not meet inclusion criteria. The full-texts of 17 studies were then analyzed. All studies concordantly reported impaired right ventricular volumes and function. With respect to left ventricle (LV), TTE studies uniformly demonstrated a significant impairment in conventional echoDoppler indices in PE individuals, whereas STE studies provided conflicting results. Importantly, LV functional alterations promptly reverted upon surgical correction of chest defect. In subjects with PE of mild-to-moderate severity, we observed that degree of anterior chest wall deformity, as noninvasively assessed by modified Haller index (MHI), was strongly associated with myocardial strain magnitude, in heterogenous cohorts of otherwise healthy PE individuals. CONCLUSIONS Clinicians should be aware that in PE individuals, TTE and STE results may not always be indicative of intrinsic myocardial dysfunction, but may be, at least in part, influenced by artifactual and/or external chest shape determinants.
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Affiliation(s)
| | | | | | | | - Enzo Grasso
- Division of Cardiology, MultiMedica IRCCS, Milan, Italy
| | | | - Giuseppe Ambrosio
- Cardiology and Cardiovascular Pathophysiology, Azienda Ospedaliero-Universitaria "S. Maria Della Misericordia", Perugia, Italy
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The influence of chest wall conformation on myocardial strain parameters in a cohort of mitral valve prolapse patients with and without mitral annular disjunction. Int J Cardiovasc Imaging 2023; 39:61-76. [PMID: 36598688 DOI: 10.1007/s10554-022-02705-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Accepted: 07/29/2022] [Indexed: 02/01/2023]
Abstract
PURPOSE To evaluate the possible influence of chest wall conformation on myocardial strain parameters in a cohort of mitral valve prolapse (MVP) patients with and without mitral annular disjunction (MAD). METHODS All consecutive middle-aged patients with MVP referred to our Outpatient Cardiology Clinic for performing two-dimensional (2D) transthoracic echocardiography (TTE) as part of work up for primary cardiovascular prevention between March 2018 and May 2022, were included into the study. All patients underwent clinic visit, physical examination, modified Haller index (MHI) assessment (the ratio of chest transverse diameter over the distance between sternum and spine) and conventional 2D-TTE implemented with speckle tracking analysis of left ventricular (LV) global longitudinal strain (GLS) and global circumferential strain (GCS). Independent predictors of MAD presence on 2D-TTE were assessed. RESULTS A total of 93 MVP patients (54.2 ± 16.4 yrs, 50.5% females) were prospectively analyzed. On 2D-TTE, 34.4% of MVP patients had MAD (7.3 ± 2.0 mm), whereas 65.6% did not. Compared to patients without MAD, those with MAD had: 1) significantly shorter antero-posterior (A-P) thoracic diameter (13.5 ± 1.2 vs 14.8 ± 1.3 cm, p < 0.001); 2) significantly smaller cardiac chambers dimensions; 3) significantly increased prevalence of classic MVP (84.3 vs 44.3%, p < 0.001); 4) significantly impaired LV-GLS (-17.2 ± 1.4 vs -19.4 ± 3.0%, p < 0.001) and LV-GCS (-16.3 ± 4.1 vs -20.4 ± 4.9, p < 0.001), despite similar LV ejection fraction (63.7 ± 4.2 vs 63.0 ± 3.9%, p = 0.42). A-P thoracic diameter (OR 0.25, 95%CI 0.10-0.82), classic MVP (OR 3.90, 95%CI 1.32-11.5) and mitral annular end-systolic A-P diameter (OR 2.76, 95%CI 1.54-4.92) were the main independent predictors of MAD. An A-P thoracic diameter ≤ 13.5 cm had 59% sensitivity and 84% specificity for predicting MAD presence (AUC = 0.81). In addition, MAD distance was strongly influenced by A-P thoracic diameter (r = - 0.96) and MHI (r = 0.87), but not by L-L thoracic diameter (r = 0.23). Finally, a strong inverse correlation between MHI and both LV-GLS and LV-GCS was demonstrated in MAD patients (r = - 0.94 and - 0.92, respectively), but not in those without (r = - 0.51 and - 0.50, respectively). CONCLUSIONS A narrow A-P thoracic diameter is strongly associated with MAD presence and is a major determinant of the impairment in myocardial strain parameters in MAD patients, in both longitudinal and circumferential directions.
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Sonaglioni A, Nicolosi GL, Trevisan R, Granato A, Zompatori M, Lombardo M. Modified Haller index validation and correlation with left ventricular strain in a cohort of subjects with obesity and without overt heart disease. Intern Emerg Med 2022; 17:1907-1919. [PMID: 35753022 DOI: 10.1007/s11739-022-03026-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 06/04/2022] [Indexed: 12/29/2022]
Abstract
The present study was primarily designed to validate the modified Haller index (MHI), the ratio of chest transverse diameter over the distance between sternum and spine, measured by a ruler and transthoracic echocardiography (TTE), respectively, in a cohort of subjects with obesity, but otherwise healthy, by comparing the results to the conventional Haller index (HI) measured on chest X-ray (CXR). 100 consecutive subjects with body mass index (BMI) ≥ 30 kg/m2 and 60 matched controls with BMI < 30 kg/m2, who underwent a two-plane CXR for any clinical indication, were prospectively examined over a 6-month period. All participants underwent MHI assessment, TTE and speckle-tracking analysis of left ventricular (LV) global longitudinal strain (GLS). Bland-Altman analysis was used to compare the radiological and nonradiological techniques. Second, independent predictors of subclinical myocardial dysfunction, defined as LV-GLS less negative than - 20%, were evaluated. Bland-Altman analysis revealed a bias of - 4.91 cm for latero-lateral thoracic diameter, of - 0.74 cm for antero-posterior (A-P) thoracic diameter and of - 0.22 for HI assessment, suggesting a systematic overestimation of the nonradiological methodology in comparison to that radiological. Despite normal LV systolic function on TTE, LV-GLS resulted impaired in 76% of subjects with obesity. Waist circumference (OR 1.13, 95%CI 1.04-1.22) and nonradiological A-P thoracic diameter (OR 0.51, 95%CI 0.28-0.93) were the main independent predictors of subclinical myocardial dysfunction in subjects with obesity. The impairment in LV myocardial strain detected in subjects with obesity appears to be primarily related to extrinsic abdominal and thoracic compressive phenomena, rather than intrinsic myocardial dysfunction.
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Affiliation(s)
- Andrea Sonaglioni
- Division of Cardiology, MultiMedica IRCCS, Via San Vittore 12, 20123, Milan, Italy.
| | | | - Roberta Trevisan
- Division of Radiology, MultiMedica IRCCS, Via San Vittore 12, 20123, Milan, Italy
| | - Alberto Granato
- Department of Veterinary Sciences, University of Turin, Largo Paolo Braccini 2, Grugliasco, 10095, Turin, Italy
| | - Maurizio Zompatori
- Division of Radiology, MultiMedica IRCCS, Via San Vittore 12, 20123, Milan, Italy
| | - Michele Lombardo
- Division of Cardiology, MultiMedica IRCCS, Via San Vittore 12, 20123, Milan, Italy
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Molecular Approaches and Echocardiographic Deformation Imaging in Detecting Myocardial Fibrosis. Int J Mol Sci 2022; 23:ijms231810944. [PMID: 36142856 PMCID: PMC9501415 DOI: 10.3390/ijms231810944] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 09/11/2022] [Accepted: 09/16/2022] [Indexed: 12/25/2022] Open
Abstract
The pathological remodeling of myocardial tissue is the main cause of heart diseases. Several processes are involved in the onset of heart failure, and the comprehension of the mechanisms underlying the pathological phenotype deserves special attention to find novel procedures to identify the site of injury and develop novel strategies, as well as molecular druggable pathways, to counteract the high degree of morbidity associated with it. Myocardial fibrosis (MF) is recognized as a critical trigger for disruption of heart functionality due to the excessive accumulation of extracellular matrix proteins, in response to an injury. Its diagnosis remains focalized on invasive techniques, such as endomyocardial biopsy (EMB), or may be noninvasively detected by cardiac magnetic resonance imaging (CMRI). The detection of MF by non-canonical markers remains a challenge in clinical practice. During the last two decades, two-dimensional (2D) speckle tracking echocardiography (STE) has emerged as a new non-invasive imaging modality, able to detect myocardial tissue abnormalities without specifying the causes of the underlying histopathological changes. In this review, we highlighted the clinical utility of 2D-STE deformation imaging for tissue characterization, and its main technical limitations and criticisms. Moreover, we focalized on the importance of coupling 2D-STE examination with the molecular approaches in the clinical decision-making processes, in particular when the 2D-STE does not reflect myocardial dysfunction directly. We also attempted to examine the roles of epigenetic markers of MF and hypothesized microRNA-based mechanisms aiming to understand how they match with the clinical utility of echocardiographic deformation imaging for tissue characterization and MF assessment.
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Sonaglioni A, Nicolosi GL, Rigamonti E, Lombardo M. Modified Haller index is inversely correlated with true positive exercise stress echocardiographic results. J Cardiovasc Med (Hagerstown) 2022; 23:524-534. [PMID: 35905007 DOI: 10.2459/jcm.0000000000001344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
AIMS The influence of chest wall shape on exercise stress echocardiography (ESE) results has been poorly investigated. We aimed at evaluating the main predictors of true positive (TP)-ESE in a population of subjects with suspected coronary artery disease (CAD), categorized according to chest wall conformation, assessed by modified Haller index (MHI, chest transverse diameter over the distance between sternum and spine). METHODS All consecutive patients with suspected CAD referred to our EchoLab for performing ESE between September 2011 and October 2021 were retrospectively enrolled. Preliminary assessment of both pretest probability (PTP) and MHI was performed. All patients with positive ESE underwent coronary angiography. Obstructive CAD was diagnosed by ≥70% stenosis in any epicardial coronary artery. Outcome was TP ESE result. RESULTS One thousand two hundred and seventy-five consecutive patients (64.9 ± 13.0 years) entered the study. Subjects with concave-shaped chest wall (MHI > 2.5) (10.7%) and those with normal chest shape (MHI ≤ 2.5) (89.3%) were separately analyzed. PTP was similar in both groups (21.8 ± 13.2 vs. 23.5 ± 13.3%, P = 0.15). One hundred and seventy patients were diagnosed with positive ESE: 129 (75.9%) had obstructive CAD (TP), whereas the remaining 41 (24.1%) had no CAD. Only 2.3% of TP ESE was detected in subjects with MHI >2.5. PTP [odds ratio (OR) 1.03, 95% confidence interval (CI) 1.01-1.04], dyslipidemia (OR 4.37, 95% CI 2.81-6.80), dyssynergy in the left anterior descending territory (OR 8.21, 95% CI 5.07-13.3) were linearly correlated with TP ESE, whereas MHI >2.5 (OR 0.25, 95% CI 0.14-0.67) was inversely associated with outcome. CONCLUSIONS Subjects with MHI >2.5 have low prevalence of TP ESE, regardless of PTP. Preliminary MHI assessment may reduce overestimation of PTP of CAD.
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Sonaglioni A, Caminati A, Nicolosi GL, Lombardo M, Harari S. Incremental prognostic value of arterial elastance in mild-to-moderate idiopathic pulmonary fibrosis. THE INTERNATIONAL JOURNAL OF CARDIOVASCULAR IMAGING 2022; 38:1473-1485. [PMID: 35103898 DOI: 10.1007/s10554-022-02541-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Accepted: 01/25/2022] [Indexed: 11/05/2022]
Abstract
Previous reports suggested that poor pulmonary function was associated with increased arterial elastance (Ea) in patients with chronic obstructive pulmonary disease and systemic sclerosis. The mechanisms connecting pulmonary function and Ea have not yet been accurately studied in patients with idiopathic pulmonary fibrosis (IPF). The present study was designed to assess Ea in IPF patients without chronic severe pulmonary hypertension and to determine its prognostic role over a medium-term follow-up. This retrospective study included 60 consecutive patients with mild-to-moderate IPF (73.8 ± 6.6 years, 75% males) and 60 controls matched by age, sex and cardiovascular risk factors. All patients underwent physical examination, spirometry, blood tests, modified Haller index (MHI, chest transverse diameter over the distance between sternum and spine) assessment, conventional transthoracic echocardiography implemented with speckle tracking analysis of left atrial positive global strain (LA-GSA+ ) and finally carotid Doppler ultrasonography, at basal evaluation. The effective arterial elastance index (EaI) was calculated as the ratio of end-systolic pressure to stroke volume index. During follow-up period, we evaluated the composite endpoint of (1) pulmonary or cardiovascular hospitalizations; (2) all-cause mortality. At baseline, EaI was significantly higher in IPF patients than controls (4.1 ± 1.3 vs 3.5 ± 1.0 mmHg/ml/m2, p = 0.01). EaI was strongly correlated to the following variables: C-reactive protein (CRP) (r = 0.86), forced vital capacity (FVC) (r = - 0.91), E/e' ratio (r = 0.91), LA-GSA+ (r = - 0.92), common carotid artery-cross sectional area (CCA-CSA) (r = 0.89) and MHI (r = 0.86), in IPF patients. Mean follow-up time was 2.4 ± 1.3 years. During follow-up, 12 patients died and 17 were hospitalized due to major adverse clinical events. At univariate Cox analysis, CRP (HR 1.51, 95% CI 1.25-1.82), FVC (HR 0.88, 95% CI 0.85-0.91), LA-GSA+ (HR 0.85, 95% CI 0.77-0.94), CCA-CSA (HR 1.12, 95% CI 1.03-1.22) and EaI (HR 2.43, 95% CI 1.75-3.37) were significantly associated with outcome. At multivariate Cox analysis, only EaI (HR 1.60, 95% CI 1.03-2.50) retained statistical significance. An EaI ≥ 4 mmHg/ml/m2 showed 100% sensitivity and 99.4% specificity for predicting outcome (AUC = 0.98). In patients with mild-to-moderate IPF, an EaI ≥ 4 mmHg/ml/m2 is a negative prognostic factor over a medium-term follow-up.
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Affiliation(s)
- Andrea Sonaglioni
- Division of Cardiology, Ospedale San Giuseppe MultiMedica IRCCS, Via San Vittore 12, 20123, Milan, Italy
| | - Antonella Caminati
- Division of Pneumology, Semi-Intensive Care Unit, Ospedale San Giuseppe MultiMedica IRCCS, Via San Vittore 12, 20123, Milan, Italy.
| | - Gian Luigi Nicolosi
- Division of Cardiology, Policlinico San Giorgio, Via Agostino Gemelli 10, 33170, Pordenone, Italy
| | - Michele Lombardo
- Division of Cardiology, Ospedale San Giuseppe MultiMedica IRCCS, Via San Vittore 12, 20123, Milan, Italy
| | - Sergio Harari
- Division of Pneumology, Semi-Intensive Care Unit, Ospedale San Giuseppe MultiMedica IRCCS, Via San Vittore 12, 20123, Milan, Italy
- Department of Clinical Sciences and Community Health, Università Di Milano, Milan, Italy
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Sonaglioni A, Caminati A, Nicolosi GL, Lombardo M, Harari S. Influence of chest wall conformation on spirometry parameters and outcome in mild-to-moderate idiopathic pulmonary fibrosis. Intern Emerg Med 2022; 17:989-999. [PMID: 35059991 DOI: 10.1007/s11739-021-02889-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 11/05/2021] [Indexed: 01/20/2023]
Abstract
Extrinsic causes of restrictive lung syndrome in idiopathic pulmonary fibrosis (IPF) patients have been poorly investigated. We aimed to investigate the influence of the anterior chest wall deformity, noninvasively assessed by modified Haller index (MHI), on spirometry parameters and outcome in a consecutive population of patients with mild-to-moderate IPF. Sixty consecutive IPF patients (73.8 ± 6.6 years, 45 males) were included in this retrospective study. All patients underwent physical examination, spirometry, blood tests, conventional transthoracic echocardiography and MHI assessment (chest transverse diameter over the distance between sternum and spine) at basal evaluation. During follow-up, we evaluated the composite endpoint of (1) pulmonary or cardiovascular hospitalizations and (2) all-cause mortality. IPF patients with concave-shaped chest wall (MHI > 2.5) (36.7% of total) and those with normal chest shape (MHI ≤ 2.5) (63.3%) were separately analyzed. In comparison to IPF patients with MHI ≤ 2.5, those with MHI > 2.5: were less likely to be men and smokers; had a more severe restrictive pattern; had significantly smaller cardiac chamber dimensions and significantly higher systolic pulmonary artery pressure (51.9 ± 15.1 vs 42.4 ± 14.3 mmHg, p = 0.02). Mean follow-up time was 2.5 ± 1.4 years. During follow-up, 13 deaths and 16 pulmonary or cardiovascular hospitalizations were detected. At multivariate Cox regression analysis, concave-shaped chest wall (MHI > 2.5) (HR 4.55, 95% CI 1.02-20.4), increased C-reactive protein (HR 1.68, 95% CI 1.08-2.61) and absence of beta-blocker therapy (HR 0.13, 95% CI 0.01-0.26) were independently associated to the investigated outcome. MHI assessment and implementation may help the clinician to identify, among IPF patients, those with poorer prognosis over a medium-term follow-up.
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Affiliation(s)
- Andrea Sonaglioni
- UO di Cardiologia, Ospedale San Giuseppe MultiMedica IRCCS, Via San Vittore 12, 20123, Milan, Italy
| | - Antonella Caminati
- UO di Pneumologia e Terapia Semi-Intensiva Respiratoria - Servizio di Fisiopatologia Respiratoria ed Emodinamica Polmonare, Ospedale San Giuseppe MultiMedica IRCCS, Via San Vittore 12, 20123, Milan, Italy.
| | - Gian Luigi Nicolosi
- UO di Cardiologia, Policlinico San Giorgio, Via Agostino Gemelli, 10, 33170, Pordenone, Italy
| | - Michele Lombardo
- UO di Cardiologia, Ospedale San Giuseppe MultiMedica IRCCS, Via San Vittore 12, 20123, Milan, Italy
| | - Sergio Harari
- UO di Pneumologia e Terapia Semi-Intensiva Respiratoria - Servizio di Fisiopatologia Respiratoria ed Emodinamica Polmonare, Ospedale San Giuseppe MultiMedica IRCCS, Via San Vittore 12, 20123, Milan, Italy
- Dipartimento di Scienze Cliniche e di Comunità, Università degli Studi di Milano, Milan, Italy
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Sonaglioni A, Nicolosi GL, Migliori C, Bianchi S, Lombardo M. Usefulness of second trimester left ventricular global longitudinal strain for predicting adverse maternal outcome in pregnant women aged 35 years or older. THE INTERNATIONAL JOURNAL OF CARDIOVASCULAR IMAGING 2022; 38:1061-1075. [PMID: 34865191 DOI: 10.1007/s10554-021-02485-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 11/27/2021] [Indexed: 01/20/2023]
Abstract
The present study was primarily designed to accurately determine biventricular and biatrial myocardial function, assessed by two-dimensional speckle tracking echocardiography (2D-STE), in a prospective cohort of pregnant women aged ≥ 35 years, at the second trimester of pregnancy. Secondly, we aimed at investigating the main independent predictors of adverse maternal outcome (AMO) in the same study population. 80 consecutive pregnant women aged ≥ 35 years, 80 gestational week-matched (18.4 ± 1.6 vs 18.5 ± 1.8 weeks, p = 0.71) pregnant women aged < 35 years and 80 non-pregnant women aged ≥ 35 years without any comorbidity were included in this prospective study. All pregnant women underwent obstetric evaluation, modified Haller index (MHI) assessment and a conventional two-dimensional transthoracic echocardiography implemented with complete 2D-STE analysis of both ventricles and atria at the second trimester of pregnancy. AMO was defined as the occurrence of any of the following: gestational hypertension (GH) including preeclampsia; gestational diabetes mellitus (GDM); preterm delivery (PD); emergency caesarean section (ECS); postpartum haemorrhage (PPH); premature rupture of membranes (PROM); maternal death. Compared to younger pregnant women, pregnant women aged ≥ 35 years were more likely to be found with: (1) body mass index (BMI) ≥ 30 kg/m2 (37.5% of total); (2) significantly increased inflammatory markers; (3) significantly greater left ventricular mass index; (4) significantly impaired hemodynamics; (5) significantly reduced bi-atrial and bi-ventricular myocardial strain parameters, despite normal ejection fraction. A strong inverse correlation between second trimester BMI and left ventricular (LV)-global longitudinal strain (GLS) (r = - 0.84) and between second trimester MHI and LV-GLS (r = - 0.81) was demonstrated in pregnant women aged ≥ 35 years. GH, GDM, PD, ECS, PPH and PROM were detected in 15%, 12.5%, 10%, 8.7%, 8.7% and 7.5% of women, respectively. Age (OR 2.04, 95% CI 1.46-2.84), second trimester BMI (OR 2.40, 95% CI 1.64-3.51) and second trimester LV-GLS (OR 0.07, 95%C I 0.01-0.34) were independently associated with outcome. Age ≥ 37 years, BMI ≥ 30 kg/m2 and LV-GLS less negative than - 18% were the best cut-off values for predicting AMO. A LV-GLS less negative than - 18% allows to identify, among older pregnant women, those with an increased risk of AMO. Both intrinsic myocardial dysfunction and extrinsic compressive mechanical phenomena might affect global myocardial deformation during gestation.
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Affiliation(s)
- Andrea Sonaglioni
- Department of Cardiology, Ospedale San Giuseppe MultiMedica IRCCS, Via San Vittore 12, 20123, Milan, Italy.
| | | | | | - Stefano Bianchi
- Department of Gynecology and Obstetrics, IRCCS MultiMedica, Milan, Italy
| | - Michele Lombardo
- Department of Cardiology, Ospedale San Giuseppe MultiMedica IRCCS, Via San Vittore 12, 20123, Milan, Italy
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Sonaglioni A, Barlocci E, Adda G, Esposito V, Ferrulli A, Nicolosi GL, Bianchi S, Lombardo M, Luzi L. The impact of short-term hyperglycemia and obesity on biventricular and biatrial myocardial function assessed by speckle tracking echocardiography in a population of women with gestational diabetes mellitus. Nutr Metab Cardiovasc Dis 2022; 32:456-468. [PMID: 34893411 DOI: 10.1016/j.numecd.2021.10.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 10/09/2021] [Accepted: 10/13/2021] [Indexed: 01/10/2023]
Abstract
BACKGROUND AND AIMS To compare biventricular and biatrial myocardial strain indices assessed by two-dimensional speckle tracking echocardiography (2D-STE) in women with gestational diabetes mellitus (GDM) and those with uncomplicated pregnancy at the third trimester of pregnancy and in post-partum. METHODS AND RESULTS 30 consecutive GDM women and 30 age-, ethnicity- and gestational week-matched controls without any comorbidity were examined in this prospective case-control study. All women underwent obstetric visit, blood tests and transthoracic echocardiography (TTE) implemented with 2D-STE analysis of all cardiac chambers at 36-38 weeks' gestation. TTE and 2D-STE were repeated at 6-10 weeks after delivery. At 36-38 weeks' gestation, GDM women, compared to controls, had significantly higher body mass index (BMI), blood pressure values and inflammatory markers. TTE showed increased left ventricular (LV) mass and impaired LV diastolic function in GDM women, whereas there was no significant difference between the groups in ejection fraction. 2D-STE revealed that biventricular global longitudinal strain (GLS) and biatrial reservoir strain indices were significantly lower in GDM women than controls. Third trimester BMI was inversely correlated with LV-GLS (r = -0.86) and was independently associated with reduced LV-GLS (less negative than -20%) in GDM women in post-partum (OR 1.81, 95%CI 1.14-2.89). A BMI value ≥ 30 kg/m2 had 100% sensitivity and 99.5% specificity for identifying GDM women with impaired LV-GLS in post-partum (AUC = 0.97). CONCLUSION Women with GDM, compared to women with uncomplicated pregnancy, have significantly lower biventricular and biatrial myocardial deformation indices. These abnormalities may be persistent in post-partum in GDM women with obesity.
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Affiliation(s)
| | - Eugenio Barlocci
- Department of Gynecology and Obstetrics, IRCCS MultiMedica, Milan, Italy
| | - Guido Adda
- Department of Endocrinology, Nutrition and Metabolic Diseases, IRCCS MultiMedica, Sesto San Giovanni, Milan, Italy
| | - Valentina Esposito
- Department of Gynecology and Obstetrics, IRCCS MultiMedica, Milan, Italy
| | - Anna Ferrulli
- Department of Endocrinology, Nutrition and Metabolic Diseases, IRCCS MultiMedica, Sesto San Giovanni, Milan, Italy; Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
| | | | - Stefano Bianchi
- Department of Gynecology and Obstetrics, IRCCS MultiMedica, Milan, Italy
| | | | - Livio Luzi
- Department of Endocrinology, Nutrition and Metabolic Diseases, IRCCS MultiMedica, Sesto San Giovanni, Milan, Italy; Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
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Sonaglioni A, Nicolosi GL, Rigamonti E, Lombardo M, Gensini GF, Ambrosio G. Does chest shape influence exercise stress echocardiographic results in patients with suspected coronary artery disease? Intern Emerg Med 2022; 17:101-112. [PMID: 34052977 DOI: 10.1007/s11739-021-02773-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 05/22/2021] [Indexed: 10/20/2022]
Abstract
Despite the good specificity of exercise stress echocardiography (ESE) for the detection of coronary artery disease (CAD), false positive (FP) results may occur. We have previously reported that chest abnormalities may affect parameters of cardiac contractility. The influence of chest shape on ESE results has never been previously investigated. We retrospectively analyzed 160 consecutive patients (64.4 ± 13.0-year old, 91 women) who had undergone coronary angiography at our Institution because of positive ESE, between June 2014 and May 2020. Modified Haller index (MHI; chest transverse diameter over the distance between sternum and spine) was assessed in all patients. Obstructive CAD was diagnosed by ≥ 70% stenosis in any epicardial coronary artery. Outcome was false-positivity at ESE. 80.6% of patients were diagnosed with obstructive CAD, while 19.4% had no CAD (FP). We separately analyzed patients with normal chest shape (MHI ≤ 2.5) and those with concave-shaped chest wall (MHI > 2.5). These latter were mostly women with small cardiac chambers, mitral valve prolapse (MVP) and exercise-induced ST-segment changes. Likelihood of false-positivity was significantly higher in subjects with MHI > 2.5 than those with MHI ≤ 2.5 (30.7% vs 9.4%, p = 0.001). By multivariate logistic regression analysis, MHI > 2.5 (OR 4.04, 95%CI 1.45-11.2, p = 0.007), MVP (OR 3.47, 95%CI 1.32-9-12, p = 0.01) and dyssynergy in the left circumflex territory (OR = 3.35, 95%CI 1.26-8.93, p = 0.01) were independently associated with false-positivity. Concave-shaped chest wall (MHI > 2.5) may be associated with false-positive stress echocardiographic result. Mechanisms underpinning this finding need to be further explored.
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Affiliation(s)
- Andrea Sonaglioni
- Department of Cardiology, Ospedale San Giuseppe MultiMedica IRCCS, Via San Vittore 12, 20123, Milano, Italy.
| | | | - Elisabetta Rigamonti
- Department of Cardiology, Ospedale San Giuseppe MultiMedica IRCCS, Via San Vittore 12, 20123, Milano, Italy
| | - Michele Lombardo
- Department of Cardiology, Ospedale San Giuseppe MultiMedica IRCCS, Via San Vittore 12, 20123, Milano, Italy
| | - Gian Franco Gensini
- Department of Cardiology, Ospedale San Giuseppe MultiMedica IRCCS, Via San Vittore 12, 20123, Milano, Italy
| | - Giuseppe Ambrosio
- Cardiology and Cardiovascular Pathophysiology, Azienda Ospedaliero-Universitaria "S. Maria Della Misericordia", Perugia, Italy
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Sonaglioni A, Nicolosi GL, Braga M, Villa MC, Migliori C, Lombardo M. Does chest wall conformation influence myocardial strain parameters in infants with pectus excavatum? JOURNAL OF CLINICAL ULTRASOUND : JCU 2021; 49:918-928. [PMID: 34523718 DOI: 10.1002/jcu.23064] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Revised: 08/31/2021] [Accepted: 09/03/2021] [Indexed: 06/13/2023]
Abstract
PURPOSE To investigate the possible influence of chest wall conformation on myocardial strain parameters in a consecutive population of infants with pectus excavatum (PE), noninvasively assessed by modified Haller index (MHI). METHODS Sixteen consecutive PE infants (MHI >2.5) and 44 infants with normal chest shape (MHI ≤2.5) entered in this prospective case-control study. All infants underwent evaluation by neonatologist, transthoracic echocardiography implemented with two-dimensional speckle tracking echocardiography (2D-STE) analysis of both ventricles and MHI assessment (ratio of chest transverse diameter over the distance between sternum and spine), at two time points: within 3 days and at about 40 days of life. RESULTS At 2.1 ± 1 days of life, compared to controls (MHI = 2.01 ± 0.2), PE infants (MHI = 2.76 ± 0.2) were diagnosed with significantly smaller cardiac chambers dimensions. Biventricular contractile function and hemodynamics were similar in both groups of infants. Left ventricular (LV) global longitudinal strain (GLS) (-16.0 ± 2.8 vs. -21.7 ± 2.2%), LV-global circumferential strain (GCS) (-16.3 ± 2.7 vs. -24.0 ± 5.2%), LV-global radial strain (GRS) (24.2 ± 3.0 vs. 31.5 ± 6.3%), and right ventricular free wall longitudinal strain (RVFWLS) (-16.0 ± 3.2 vs. -22.3 ± 4.4%) were significantly reduced in PE infants versus controls (all p < 0.001). A strong inverse correlation between MHI and the following parameters: LV-GLS (r = -0.92), LV-GCS (r = -0.88), LV-GRS (r = -0.87), and RVFWLS (r = -0.88), was demonstrated in PE infants, but not in controls, in perinatal period (all p < 0.001). Analogous results were obtained at 36.8 ± 5.2 days after birth. CONCLUSIONS Abnormal chest anatomy progressively impairs myocardial strain parameters in PE infants. This impairment might reflect intraventricular dyssynchrony due to compressive phenomena rather than intrinsic myocardial dysfunction.
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Affiliation(s)
| | | | - Marta Braga
- Department of Neonatology, IRCCS MultiMedica, Milan, Italy
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Sonaglioni A, Esposito V, Caruso C, Nicolosi GL, Bianchi S, Lombardo M, Gensini GF, Ambrosio G. Chest conformation spuriously influences strain parameters of myocardial contractile function in healthy pregnant women. J Cardiovasc Med (Hagerstown) 2021; 22:767-779. [PMID: 34487054 DOI: 10.2459/jcm.0000000000001213] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
AIMS Left ventricular (LV) contractility during noncomplicated pregnancy has been previously investigated by two-dimensional speckle-tracking echocardiography (2D-STE), with conflicting results. Chest abnormalities might affect myocardial strain parameters, yet this issue has not been previously investigated during pregnancy. We evaluated the influence of chest conformation on myocardial strain parameters in healthy pregnant women. METHODS Between October 2019 and February 2020, 50 healthy pregnant women (32.3 ± 4.0 years old) were consecutively studied. They underwent obstetric visit, assessment of chest shape by modified Haller index (MHI; chest transverse diameter over the distance between sternum and spine) and transthoracic echocardiography implemented with 2D-STE analysis of all myocardial strain parameters in the first trimester (12-14 weeks), third trimester (36-38 weeks) and 6-9 weeks after delivery. RESULTS LV ejection fraction remained substantially unchanged (P = 0.13), while on the average all myocardial strain parameters showed a small but significant decrease during pregnancy, and recovered postpartum (all P < 0.001). Women with concave-shaped chest wall (MHI > 2.5, n = 29), and those with normal chest conformation (MHI ≤ 2.5, n = 21) were then separately analyzed. Pregnant women with MHI above 2.5, but not those with MHI 2.5 or less, showed a progressive but reversible decrease in all myocardial strain parameters (all P < 0.001). MHI was strongly correlated with LV global longitudinal strain (r = -0.87) and LV global circumferential strain (r = -0.83) in the third trimester of pregnancy. CONCLUSION Myocardial strain impairment during healthy pregnancy may not reflect intrinsic myocardial dysfunction but rather intraventricular dyssynchrony related to a narrow antero-posterior chest diameter and rise in the diaphragm, with consequent extrinsic myocardial compression.
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Affiliation(s)
| | - Valentina Esposito
- Department of Gynecology and Obstetrics, Ospedale San Giuseppe MultiMedica IRCCS, Milan
| | - Chiara Caruso
- Department of Gynecology and Obstetrics, Ospedale San Giuseppe MultiMedica IRCCS, Milan
| | | | - Stefano Bianchi
- Department of Gynecology and Obstetrics, Ospedale San Giuseppe MultiMedica IRCCS, Milan
| | | | | | - Giuseppe Ambrosio
- Cardiology and Cardiovascular Pathophysiology, Azienda Ospedaliero-Universitaria 'S. Maria della Misericordia', Perugia, Italy
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Muff JL, Guglielmetti LC, Gros SJ, Buchmüller L, Frongia G, Haecker FM, Holland-Cunz SG, de Trey T, Vuille-Dit-Bille RN. Failed preoperative vacuum bell therapy does not affect outcomes following minimally invasive repair of pectus excavatum. Pediatr Surg Int 2021; 37:1429-1435. [PMID: 34272597 PMCID: PMC8408062 DOI: 10.1007/s00383-021-04963-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/02/2021] [Indexed: 11/06/2022]
Abstract
PURPOSE It is unknown if failed preoperative vacuum bell (VB) treatment in patients undergoing minimally invasive repair of pectus excavatum (MIRPE), delays repair and/or affects postoperative outcomes. METHODS A retrospective data analysis including all consecutive patients treated at one single institution undergoing MIRPE was performed between 2000 and 2016. Patients were stratified into preoperative VB therapy versus no previous VB therapy. RESULTS In total, 127 patients were included. Twenty-seven (21.3%) patients had preoperative VB treatment for 17 months (median, IQR 8-34). All 27 patients stopped VB treatment due to the lack of treatment effect. Eight (47.1%) of 17 assessed VB patients showed signs of skin irritation or hematoma. VB treatment had no effect on length of hospital stay (p = 0.385), postoperative complications (p = 1.0), bar dislocations (p = 1.0), and duration of bar treatment (p = 0.174). Time spent in intensive care unit was shorter in patients with VB therapy (p = 0.007). Long-term perception of treatment including rating of primary operation (p = 0.113), pain during primary operation (p = 0.838), own perspective of look of chest (p = 0.545), satisfaction with the procedure (p = 0.409), and intention of doing surgery again (p = 1.0) were not different between groups. CONCLUSIONS Failed preoperative VB therapy had no or minimal effect on short-term outcomes and long-term perceptions following MIRPE.
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Affiliation(s)
- J L Muff
- Department of Pediatric Surgery, University Children's Hospital of Basel, Spitalstrasse 33, 4056, Basel, Switzerland
| | - L C Guglielmetti
- Department of Visceral and Thoracic Surgery, Cantonal Hospital of Winterthur, Winterthur, Switzerland
| | - S J Gros
- Department of Pediatric Surgery, University Children's Hospital of Basel, Spitalstrasse 33, 4056, Basel, Switzerland
| | - L Buchmüller
- Department of Pediatric Surgery, University Children's Hospital of Basel, Spitalstrasse 33, 4056, Basel, Switzerland
| | - G Frongia
- Division of Pediatric Surgery, Department of General, Visceral and Transplantation Surgery, University Hospital Heidelberg, Heidelberg, Germany
| | - F -M Haecker
- Department of Pediatric Surgery, Children's Hospital of Eastern Switzerland, St.Gallen, Claudiusstrasse 6, CH-9006, St.Gallen, Switzerland.,Faculty of Medicine, University of Basel, 4056, Basel, Switzerland
| | - S G Holland-Cunz
- Department of Pediatric Surgery, University Children's Hospital of Basel, Spitalstrasse 33, 4056, Basel, Switzerland
| | - T de Trey
- Department of Pediatric Surgery, University Children's Hospital of Basel, Spitalstrasse 33, 4056, Basel, Switzerland
| | - Raphael N Vuille-Dit-Bille
- Department of Pediatric Surgery, University Children's Hospital of Basel, Spitalstrasse 33, 4056, Basel, Switzerland.
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Sonaglioni A, Rigamonti E, Nicolosi GL, Lombardo M. Prognostic Value of Modified Haller Index in Patients with Suspected Coronary Artery Disease Referred for Exercise Stress Echocardiography. J Cardiovasc Echogr 2021; 31:85-95. [PMID: 34485034 PMCID: PMC8388326 DOI: 10.4103/jcecho.jcecho_141_20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Accepted: 03/17/2021] [Indexed: 01/28/2023] Open
Abstract
Background: The influence of chest conformation on outcome of patients with suspected coronary artery disease (CAD) is actually unknown. Materials and Methods: This retrospective study included all consecutive patients who underwent exercise stress echocardiography (ESE) for suspected CAD at our institution between February 2011 and September 2019. Modified Haller index (MHI; chest transverse diameter over the distance between sternum and spine) was assessed in all patients. Obstructive CAD was diagnosed by ≥70% stenosis in any epicardial coronary artery. During the follow-up time, we evaluated the occurrence of any of the following: (1) cardiovascular (CV) hospitalizations and (2) cardiac death or sudden death. Results: A total of 1091 consecutive patients (62.4 ± 12.6 years, 57.2% of men) were included in the study. Patients with normal chest shape (MHI ≤2.5) and those with concave-shaped chest wall (MHI >2.5) were separately analyzed. A positive ESE was diagnosed in 171 patients of which 80.7% had an obstructive CAD (true positive), while 19.3 not (false positive [FP]). Majority of FP ESE (70.9%) derived from concave-shaped chest wall group. During follow-up time (2.5 ± 1.9 years), 9 patients died and 281 were hospitalized because of heart failure (163), acute coronary syndromes (39), and arrhythmias (79). At the multivariate Cox regression analysis, age (heart rate [HR]: 1.02, 95% confidence interval [CI]: 1.01–1.03), MHI >2.5 (HR: 0.39, 95% CI: 0.26–0.56), diabetes mellitus (HR: 4.89, 95% CI: 3.78–6.32), horizontal ST depression ≥1 mm (HR: 2.86, 95% CI: 1.98–4.15), peak exercise average E/e' ratio (HR: 1.08, 95% CI: 1.06–1.10), and peak exercise wall motion score index (HR: 1.79, 95% CI: 1.36–2.35) were independently correlated with outcome. Conclusions: Patients with concave-shaped chest wall (MHI >2.5) have a significantly lower probability of CV events than those with normal chest shape (MHI ≤2.5) over a medium-term follow-up. A noninvasive chest shape assessment could identify subjects at lower risk of CV events.
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Affiliation(s)
- Andrea Sonaglioni
- Department of Cardiology, San Giuseppe MultiMedica Hospital, Milan, Italy
| | | | | | - Michele Lombardo
- Department of Cardiology, San Giuseppe MultiMedica Hospital, Milan, Italy
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Sonaglioni A, Rigamonti E, Nicolosi GL, Bianchi S, Lombardo M. Influence of chest conformation on ventricular-arterial coupling during normal pregnancy. JOURNAL OF CLINICAL ULTRASOUND : JCU 2021; 49:586-596. [PMID: 33634877 DOI: 10.1002/jcu.22996] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Revised: 01/30/2021] [Accepted: 02/14/2021] [Indexed: 06/12/2023]
Abstract
PURPOSE There is still controversy regarding the changes of ventricular-arterial coupling (VAC) during normal pregnancy. The possible influence of chest shape on VAC during normal pregnancy has never been investigated. METHODS Between October 2019 and June 2020, 59 healthy pregnant women (33.7 ± 4.4 years/old) were consecutively included. They underwent obstetric visit, modified Haller index (MHI) assessment, and complete echocardiographic evaluation with blood pressure measurement to assess arterial elastance (Ea), end-systolic elastance (Ees), and Ea/Ees as an index of VAC, at 12-14 weeks and 36-38 weeks gestation, then 6-9 weeks after delivery. RESULTS VAC progressively increased from the first to the third trimester of pregnancy, then decreased in the postpartum (P < 0.0001) in the whole study population. Women with concave-shaped chest wall (MHI >2.5, n = 31) but not women with normal chest shape (MHI ≤2.5, n = 28) showed a progressive increase in VAC during normal pregnancy. Women with MHI >2.5 showed a significantly less pronounced increase in stroke volume index (SVi) from the first to the third trimester of pregnancy. There was a strong linear correlation between third trimester MHI and VAC (r = 0.93). CONCLUSIONS Anatomical and/or extrinsic mechanical factors rather than impaired arterial elastance or reduced left ventricular contractility may contribute to changes in VAC during normal pregnancy in women with concave-shaped chest wall.
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Affiliation(s)
- Andrea Sonaglioni
- Department of Cardiology, Ospedale San Giuseppe MultiMedica, Milan, Italy
| | | | | | - Stefano Bianchi
- Department of Gynecology and Obstetrics, Ospedale San Giuseppe MultiMedica, Milan, Italy
| | - Michele Lombardo
- Department of Cardiology, Ospedale San Giuseppe MultiMedica, Milan, Italy
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Sonaglioni A, Rigamonti E, Nicolosi GL, Lombardo M. Appropriate use criteria implementation with modified Haller index for predicting stress echocardiographic results and outcome in a population of patients with suspected coronary artery disease. Int J Cardiovasc Imaging 2021; 37:2917-2930. [PMID: 33961159 DOI: 10.1007/s10554-021-02274-4] [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: 01/24/2021] [Accepted: 05/03/2021] [Indexed: 01/02/2023]
Abstract
The hypothesis that modified Haller index (MHI) integration with the existing appropriate use criteria (AUC) categories may predict exercise stress echocardiography (ESE) results and outcome of patients with suspected coronary artery disease (CAD) has never been previously investigated. We retrospectively analyzed 1230 consecutive patients (64.8 ± 13.1 years, 58.9% men) who underwent ESE for suspected CAD between February 2011 and September 2019 at our institution. MHI (chest transverse diameter over the distance between sternum and spine) was assessed in all patients. A true positive (TP) ESE was a positive ESE with obstructive CAD according to subsequent coronary angiography. During follow-up time, we evaluated the occurrence of any of the following: (1) cardiovascular (CV) hospitalizations; (2) Cardiac death or sudden death. Overall, 734 (59.7%), 357 (29.0%) and 139 (11.3%) indications for ESE were classified as appropriate (Group 1), rarely appropriate (Group 2) and which may be appropriate (Group 3), respectively. A funnel chest (defined by an MHI > 2.5) was detected in 30.3%, 82.1% and 49.6% of Groups 1, 2 and 3 subjects, respectively (p < 0.0001). On multivariate logistic regression analysis, male sex (OR 1.41, 95%CI 1.02-2.03, p = 0.01) and type-2 diabetes (OR 3.63, 95%CI 2.49-5.55, p = 0.001) were directly correlated to a TP ESE, while "rarely appropriate" indication for ESE with MHI > 2.5 (OR 0.16, 95%CI 0.11-0.22, p < 0.0001) showed a significant inverse correlation with the outcome. During a mean follow-up of 2.5 ± 1.9 years, 299 CV events occurred: 76.4%, 3.5% and 20.1% in Groups 1, 2 and 3, respectively. On multivariate Cox regression analysis, smoking (HR 1.33, 95%CI 1.19-1.48), type 2 diabetes (HR 2.28, 95%CI 1.74-2.97), dyslipidemia (HR 3.51, 95%CI 2.33-5.15), beta-blockers (HR 0.55, 95%CI 0.41-0.75), statins (HR 0.60, 95%CI 0.45-0.80), peak exercise average E/e' ratio (HR 1.08, 95%CI 1.06-1.09), positive ESE (HR 3.12, 95%CI 2.43-4.01) and finally "rarely appropriate" indication for ESE with MHI > 2.5 (HR 0.15, 95%CI 0.08-0.23) were independently associated with CV events. The implementation of AUC categories with MHI assessment may select a group of patients with extremely low probability of both TP ESE and adverse CV events over a medium-term follow-up. A simple noninvasive chest shape assessment could reduce unnecessary exams.
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Affiliation(s)
- Andrea Sonaglioni
- Department of Cardiology, Ospedale San Giuseppe MultiMedica, Via San Vittore 12, 20123, Milan, Italy. .,Ospedale San Giuseppe MultiMedica IRCCS, Via San Vittore 12, 20123, Milan, Italy.
| | - Elisabetta Rigamonti
- Department of Cardiology, Ospedale San Giuseppe MultiMedica, Via San Vittore 12, 20123, Milan, Italy
| | | | - Michele Lombardo
- Department of Cardiology, Ospedale San Giuseppe MultiMedica, Via San Vittore 12, 20123, Milan, Italy
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Sonaglioni A, Nicolosi GL, Lombardo M, Anzà C, Ambrosio G. False-positive electrocardiographic changes during exercise test in a patient with pectus excavatum. JOURNAL OF CLINICAL ULTRASOUND : JCU 2020; 48:579-584. [PMID: 32249937 DOI: 10.1002/jcu.22831] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2020] [Revised: 02/01/2020] [Accepted: 03/16/2020] [Indexed: 06/11/2023]
Abstract
Exercise-induced ST-segment changes simulating myocardial ischemia have been described in otherwise normal subjects during hyperventilation. We present the case of a 60-year-old man with pectus excavatum showing significant exercise-induced "pseudo-ischaemic" ST-segment changes with neither coronary artery disease nor anxiety-induced hyperventilation. We found no report of the possible causative role of a narrow antero-posterior chest diameter in inducing "pseudo-ischaemic" ST-segment changes during exercise stress test in the literature.
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Affiliation(s)
- Andrea Sonaglioni
- Department of Cardiology, Ospedale San Giuseppe MultiMedica IRCCS, Milan, Italy
| | | | - Michele Lombardo
- Department of Cardiology, Ospedale San Giuseppe MultiMedica IRCCS, Milan, Italy
| | - Claudio Anzà
- Cardiovascular Department, MultiMedica IRCCS, Sesto San Giovanni (MI), Italy
| | - Giuseppe Ambrosio
- Cardiology and Cardiovascular Pathophysiology, Azienda Ospedaliero-Universitaria "S. Maria della Misericordia", Perugia, Italy
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Sonaglioni A, Nicolosi GL, Lombardo M, Gensini GF, Ambrosio G. Influence of chest conformation on myocardial strain parameters in healthy subjects with mitral valve prolapse. Int J Cardiovasc Imaging 2020; 37:1009-1022. [PMID: 33128156 DOI: 10.1007/s10554-020-02085-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Accepted: 10/21/2020] [Indexed: 11/26/2022]
Abstract
Chest shape might affect myocardial strain parameters. However, the relationship between myocardial strain parameters and chest conformation has not been previously investigated in subjects with mitral valve prolapse (MVP). Between April 2019 and May 2020, 60 healthy subjects (50.1 ± 8.6 year/old, 46.6% females) with MVP and mild-to-moderate mitral regurgitation, and 60 controls matched by age, sex, and cardiovascular risk factors were consecutively studied. Participants underwent modified Haller index (MHI) assessment (ratio of chest transverse diameter over the distance between sternum and spine), and transthoracic echocardiography implemented with 2D-speckle tracking analysis. MHI was significantly greater in MVP group than controls (2.6 ± 0.35 vs 2.1 ± 0.23, p < 0.0001). Left ventricular (LV) ejection fraction was similar in MVP and controls (63.5 ± 3.7% vs 64.3 ± 3.9%, p = 0.25). LV regional and global longitudinal (GLS), circumferential (GCS) and radial strain (GRS) parameters and LV peak twist were all significantly lower in MVP compared to controls (all p < 0.0001). MVP subjects with a tight chest (MHI > 2.5, n = 30), and those with MHI ≤ 2.5 (n = 30) were then separately analyzed. A significant impairment in myocardial strain parameters and LV peak twist was documented in MVP subjects with MHI > 2.5, but not in those with MHI ≤ 2.5. MHI showed a strong inverse correlation with LV-GLS (r = - 0.85), GCS (r = - 0.84), GRS (r = - 0.84) and LV peak twist (r = - 0.94). In MVP subjects, impairment of myocardial strain parameters is not due to intrinsic reduction of cardiac contractility function, but it appears to be related to the degree of chest deformity.
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Affiliation(s)
- Andrea Sonaglioni
- Department of Cardiology, Ospedale San Giuseppe MultiMedica, Milan, Italy.
- Ospedale San Giuseppe MultiMedica IRCCS, Via San Vittore 12, 20123, Milano, Italy.
| | | | - Michele Lombardo
- Department of Cardiology, Ospedale San Giuseppe MultiMedica, Milan, Italy
| | | | - Giuseppe Ambrosio
- Cardiology and Cardiovascular Pathophysiology, Azienda Ospedaliero-Universitaria "S. Maria della Misericordia", Perugia, Italy
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Sonaglioni A, Nicolosi GL, Granato A, Lombardo M, Anzà C, Ambrosio G. Reduced Myocardial Strain Parameters in Subjects With Pectus Excavatum: Impaired Myocardial Function or Methodological Limitations Due to Chest Deformity? Semin Thorac Cardiovasc Surg 2020; 33:251-262. [PMID: 32442666 DOI: 10.1053/j.semtcvs.2020.05.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 05/02/2020] [Indexed: 01/28/2023]
Abstract
Pectus excavatum (PE) may cause symptoms and alter cardiopulmonary function. Left ventricular (LV) and right ventricular (RV) function have been reported to be impaired in PE subjects. However, this issue has not been systematically investigated with respect to the degree of chest wall abnormality. We aimed to evaluate the influence of severity of chest shape abnormality on myocardial strain parameters in PE subjects. We studied 30 healthy subjects (55.8 ± 14.0 year/old, 18 males) with PE, assessed by the ratio of chest transverse diameter over the distance between sternum and spine (modified Haller index, MHI, >2.5), and 30 controls (MHI ≤2.5) matched by age, sex, and cardiovascular risk factors. Participants underwent 2-dimensional (2D) transthoracic echocardiography implemented with 2D-speckle tracking echocardiography. Right-heart and left-heart chamber dimensions, and stroke volume, were significantly reduced in PE subjects (all P< 0.0001). While LV ejection fraction, E/A, and E/e', did not significantly differ between the 2 groups, all LV and RV strain and strain rate parameters were severely reduced in subjects with PE (P < 0.0001). Importantly, in PE subjects, but not in controls, LV global longitudinal strain, LV global circumferential strain, LV global radial strain, and RV free wall systolic strain, were all linearly correlated to MHI (all P < 0.0001). In healthy subjects with PE, abnormal chest anatomy progressively impairs myocardial strain. However, this impairment is not due to subclinical myocardial dysfunction; it might reflect intraventricular dyssynchrony due to compressive phenomena, or technical limitations of strain methodology, due to chest wall abnormality.
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Affiliation(s)
- Andrea Sonaglioni
- Department of Cardiology, Ospedale San Giuseppe MultiMedica IRCCS, Milan, Italy.
| | | | - Alberto Granato
- Department of Psychology, Catholic University of the Sacred Heart, Milan, Italy
| | - Michele Lombardo
- Department of Cardiology, Ospedale San Giuseppe MultiMedica IRCCS, Milan, Italy
| | - Claudio Anzà
- Cardiovascular Department, MultiMedica IRCCS, Sesto San Giovanni (MI), Italy
| | - Giuseppe Ambrosio
- Cardiology and Cardiovascular Pathophysiology, Azienda Ospedaliero-Universitaria "S. Maria della Misericordia", Perugia, Italy
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Taylor JS, Madhavan S, Szafer D, Pei A, Koppolu R, Barnaby K, Wall JK, Chao SD. Three-Dimensional Optical Imaging for Pectus Excavatum Assessment. Ann Thorac Surg 2019; 108:1065-1071. [DOI: 10.1016/j.athoracsur.2019.04.074] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Revised: 04/03/2019] [Accepted: 04/17/2019] [Indexed: 11/16/2022]
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Reiber JHC, Pereira GTR, Bezerra HG, De Sutter J, Schoenhagen P, Stillman AE, Van de Veire NRL. Cardiovascular imaging 2018 in the International Journal of Cardiovascular Imaging. Int J Cardiovasc Imaging 2019; 35:1175-1188. [DOI: 10.1007/s10554-019-01579-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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