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Featured researches published by Luca Costanzo.


Journal of the American College of Cardiology | 2012

Transient Impairment of Vasomotion Function After Successful Chronic Total Occlusion Recanalization

Alfredo R. Galassi; Salvatore D. Tomasello; Filippo Crea; Luca Costanzo; Maria Barbara Campisano; Francesco Marzà; Corrado Tamburino

OBJECTIVES The aim of our study was to assess coronary vasomotion after successful revascularization of chronic total occlusion (CTO). BACKGROUND It is largely unknown whether the recovery of anterograde flow after CTO recanalization with drug-eluting stent implantation affects vascular function in distal coronary segments. METHODS One hundred consecutive CTOs successfully treated with drug-eluting stents underwent coronary diameter measurement after intracoronary nitroglycerin injection 5, 20, and 35 mm distal to the stented coronary segment using 3-dimensional quantitative coronary angiography. In a subgroup of 14 patients, coronary vasomotion was tested in distal segments: incremental atrial pacing for endothelium-dependent cases; and intracoronary nitroglycerin injection for endothelium-independent cases. In another subgroup of 13 patients, distal vessels were assessed by intracoronary ultrasounds. RESULTS Vessel diameters significantly increased at follow-up as compared to baseline values (2.0 ± 0.52 mm vs. 2.25 ± 0.50 mm, 1.76 ± 0.49 mm vs. 2.05 ± 0.58 mm, 1.54 ± 0.53 mm vs. 2.04 ± 0.58 mm, at each segment analyzed; p < 0.001). At baseline, distal segments failed to respond to both endothelium-dependent and -independent stimuli. At follow-up, atrial pacing induced vasoconstriction, whereas nitroglycerine administration resulted in significant vasodilation (p < 0.05). Intracoronary ultrasounds failed to show changes of the cross-sectional area of distal segments at follow-up angiography. CONCLUSIONS Recanalization of CTO is followed by a hibernation of vascular wall at distal coronary segments that fail to respond to endothelium-dependent and -independent stimuli. Distal vessel diameter increases over time in the absence of positive remodeling and in spite of persistent endothelial dysfunction. This severe impairment of vasomotor tone after CTO reopening suggests that intracoronary ultrasound assessment is of paramount importance for the selection of stent size.


Catheterization and Cardiovascular Interventions | 2012

Mini-STAR as bail-out strategy for percutaneous coronary intervention of chronic total occlusion.

Alfredo R. Galassi; Salvatore D. Tomasello; Luca Costanzo; Maria Barbara Campisano; Giombattista Barrano; Masafumi Ueno; Antonio Tello-Montoliu; Corrado Tamburino

Background: Although the advancement of the equipment and the presence of innovative techniques, percutaneous coronary intervention (PCI) for chronic total occlusion (CTO) continues to be affected by lower procedural success in comparison with non occluded vessel PCI. Objective: We describe a new technique for the treatment of coronary CTO which utilizes a new generation of polymeric wires. Methods and Result: From March 2009 to June 2010 different strategies were adopted as “bail out” after an initial attempt failed in 117 consecutive CTO lesions. Among these, conventional strategies (CS) such as parallel wire, sub‐intimal tracking and re‐entry (STAR), microchannel technique, intracoronary ultrasound guided revascularization and anchor balloon, were used in 75 cases (64.1%), while in the remaining a new technique, the “mini‐STAR,” was used (39.9%). Although no substantial differences were observed regarding the distribution of clinical features and angiographic lesions characteristics between the populations, mini‐STAR was able to achieve a higher rate of procedural success in comparison with other CS (97.6% vs. 52%, P < 0.001) with lower contrast agent use (442 ± 259 cm3 vs. 561 ± 243 cm3, P = 0.01) and shorter procedural and fluoroscopy times (122 ± 61 vs. 157 ± 74 min, P = 0.009 and 60 ± 31 min vs. 75 ± 38 min, P = 0.03, respectively). No differences were observed in term of peri‐procedural complications such as procedural myocardial infarction, coronary perforations, and contrast‐induced nephropathy between mini‐STAR and CS. Conclusion: The mini‐STAR technique is a promising strategy for the treatment of CTO lesions, achieving a high procedural success rate and low occurrence of procedural adverse events.


PLOS ONE | 2012

Multiple Sclerosis and CCSVI: A Population-Based Case Control Study

Francesco Patti; Alessandra Nicoletti; Carmela Leone; Silvia Messina; Emanuele D’Amico; Salvatore Lo Fermo; Vincenza Paradisi; Elisa Bruno; Graziella Quattrocchi; Pierfrancesco Veroux; Luigi Di Pino; Luca Costanzo; Mario Zappia

Background Chronic cerebrospinal venous insufficiency (CCSVI) has been associated to multiple sclerosis (MS). Objective To evaluate the possible association between CCSVI and MS, using a population-based control design. Methods A random cohort of 148 incident MS patients were enrolled in the study. We have also studied 20 patients with clinically isolated syndrome (CIS), 40 patients with other neurological diseases (OND), and 172 healthy controls. Transcranial (TCC) and Echo Color Doppler (ECD) were carried out in 380 subjects. A subject was considered CCSVI positive if ≥2 venous hemodynamic criteria were fulfilled. Results CCSVI was present in 28 (18.9%) of the MS patients, in 2 (10%) of CIS patients, in 11 (6.4%) of the controls, and in 2 (5%) of the OND patients. A significant association between MS and CCSVI was found with an odds ratio of 3.41 (95% confidence interval 1.63–7.13; p = 0.001). CCSVI was significantly more frequent among MS subjects with a disease duration longer than 144 months (26.1% versus 12.6% of patients with duration shorter than 144 months; p = 0.03) and among patients with secondary progressive (SP) and primary progressive (PP) forms (30.2% and 29.4, respectively) than in patients with relapsing remitting (RR) MS (14.3%). A stronger association was found considering SP and PP forms (age adjusted OR = 4.7; 95% CI 1.83–12.0, p = 0.001); the association was weaker with the RR patients (age adjusted OR = 2.58; 95%CI 1.12–5.92; p = 0.02) or not significant in CIS group (age adjusted OR = 2.04; 95%CI 0.40–10.3; p = 0.4). Conclusions A higher frequency of CCSVI has been found in MS patients; it was more evident in patients with advanced MS, suggesting that CCSVI could be related to MS disability.


Journal of Interventional Cardiology | 2010

Prognostic value of exercise myocardial scintigraphy in patients with coronary chronic total occlusions.

Alfredo R. Galassi; Gerald S. Werner; Salvatore D. Tomasello; Salvatore Azzarelli; Davide Capodanno; Giombattista Barrano; Francesco Marzà; Luca Costanzo; Mariabarbara Campisano; Corrado Tamburino

OBJECTIVES To evaluate the prognostic value of exercise myocardial scintigraphy in patients undergoing incomplete revascularization by means of percutaneous coronary intervention (PCI) with at least a residual chronic total occlusion (CTO) left untreated. METHODS Of 569 consecutive patients with multivessel disease undergoing myocardial scintigraphy after incomplete revascularization by PCI between March 1997 and December 2004, 126 (79% male, 64+/-10 years) with >or= 1 residual CTO fulfilled the eligibility criteria and entered in the study. Hard events defined as cardiac death and myocardial infarction, soft events defined as incidence of unstable angina and PCI procedures, and their composite were assessed at a median follow-up period of 44 months. RESULTS Hard events were observed in six patients (4.8%). All of them had severely abnormal perfusion defects detected by myocardial scintigraphy. Soft events occurred in 0 (0%), 10 (7.9%), and 15 (11.9%) patients with normal, mildly abnormal, and severely abnormal perfusion, respectively. In the Kaplan-Meier analysis, the log-rank test was statistically significant across patients stratified by summed stress score either in terms of hard, soft and hard, or soft events. Univariate and multivariate Cox proportional-hazards showed an incremental significant information when the scintigraphic variables were added to clinical, angiographic, left ventricular ejection fraction, and Duke treadmill score, for prediction of the composite of hard and soft cardiac events (P < 0.006). CONCLUSIONS Among patients with a residual CTO left untreated after PCI, myocardial perfusion imaging provides significant independent information concerning the subsequent risk of cardiac events.


Journal of Interventional Cardiology | 2011

Does Occlusion Duration Influence Procedural and Clinical Outcome of Patients Who Underwent Percutaneous Coronary Intervention for Chronic Total Occlusion

Salvatore D. Tomasello; Luca Costanzo; Maria Barbara Campisano; Giombattista Barrano; Davide Capodanno; Corrado Tamburino; Alfredo R. Galassi

BACKGROUND Previous studies have reported that the indeterminable aging and long-duration occlusion are associated with procedural failure and adverse long-term outcome. We aimed to investigate the clinical impact of occlusion duration in a consecutive series of patients who underwent percutaneous coronary intervention (PCI) for chronic total occlusion (CTO) lesions. METHODS AND RESULTS From October 2005 to June 2009, a total of 303 patients with 328 CTO lesions were consecutively treated achieving a success rate of 86.3%. The average of occlusion duration estimated in 62.5% of cases (known occlusion duration [KOD] patients, n = 188) was 29.8 ± 41.3 months. In the remaining 37.5% of cases, the occlusion duration was indeterminate (indetermination of occlusion duration [IOD] patients, n = 115). No influence of duration in procedural outcome was observed. Moreover, no differences of 1-year major adverse cardiac events (MACE) were observed between KOD and IOD patients. The multivariate COX regression analysis identified diabetes mellitus and multivessel coronary disease as independent predictors of 12-month MACE (HR 5.023; 95% CI 0.164-9.653; P = 0.025 and HR 0.801; 95% CI 0.109-0.909, P = 0.033). The analysis did not show any influence of IOD and long occlusion duration in the occurrence of MACE. Predictors of angiographic failure recognized with multivariate binary logistic were vessel diameter <2.5 mm (OR 5.3; 95% CI 1.19-8.91; P = 0.02), CTO length >20 mm (OR 6.3; 95% CI 1.22-9.54; P = 0.02), and severe calcification (OR 3.2; 95% CI 1.62-5.51; P = 0.03). CONCLUSION IOD and long duration of CTO do not affect procedural and clinical outcome of patients who underwent CTO PCI. This marks the importance of considering PCI treatment, a reliable strategy in cases of IOD or long occlusion duration.


Journal of Interventional Cardiology | 2010

Recanalization of Complex Coronary Chronic Total Occlusions Using High-Frequency Vibrational Energy CROSSER Catheter as First-Line Therapy: A Single Center Experience

Alfredo R. Galassi; Salvatore D. Tomasello; Luca Costanzo; Maria Barbara Campisano; Francesco Marzà; Corrado Tamburino

BACKGROUND Several studies have illustrated the safety and the procedural outcome of high-frequency vibrational energy in guidewire refractory chronic total occlusions (CTOs). AIM To evaluate the advantage of high-frequency vibrational energy device (CROSSER Catheter) use in coronary complex CTO revascularization as primary strategy. METHODS CROSSER was used as a primary approach if four or more unfavorable angiographic features were observed in the CTO lesions. RESULTS From May 2007 to February 2009, a CTO percutaneous intervention attempt was performed in 178 lesions of 171 patients (60.1 +/- 8.9 age with 49.4 +/- 7.2% in ejection fraction). Among these, the CROSSER was used in 46 complex CTO lesions of 45 patients (25.8% of cases) and in the remaining cases, typical CTO percutaneous coronary intervention techniques were employed. Clinical success was 84.8% in CROSSER group. Moreover, in the CROSSER group, no periprocedural myocardial infarction, perforation, or 30 days MACE was observed. In addition, the use of CROSSER was associated with lower time of procedure, time of fluoroscopy, and contrast load administration as compared with conventional techniques [88 +/- 27 minutes vs 109 +/- 38 minutes (P = 0.045), 39 +/- 12 minutes vs 50 +/- 27 minutes (P = 0.032), and 334 +/- 122cc vs 408 +/- 198cc (P = 0.05), respectively]. CONCLUSION In the present study, the CROSSER System was safe and obtained a high rate of success in complex CTO similar to conventional dedicated guidewire techniques for noncomplex CTO; however, the CROSSER Catheter obtained CTO recanalization with lower contrast load administration, less time of procedure, and lower fluoroscopy exposure.


Echocardiography-a Journal of Cardiovascular Ultrasound and Allied Techniques | 2015

Reference Values for Real Time Three-Dimensional Echocardiography–Derived Left Ventricular Volumes and Ejection Fraction: Review and Meta-Analysis of Currently Available Studies

Sergio Buccheri; Luca Costanzo; Corrado Tamburino; Ines Monte

Current guidelines recommend three‐dimensional echocardiography (3DE) as the reference technique to assess left ventricular (LV) volumes and ejection fraction (EF). We performed a meta‐analysis to identify normative reference values by real time 3DE in healthy subjects.


Archive | 2011

Quantitative Coronary Angiography in the Interventional Cardiology

Salvatore D. Tomasello; Luca Costanzo; Alfredo R. Galassi

Coronary angiography through selective injection of radiopaque contrast agent into the coronary arteries is currently the gold standard for evaluating coronary artery disease (CAD). Subjective visual estimation of lesion severity has been shown to be inadequate due to high degrees of intraobserver and interobserver variability (Topol & Nissen, 1995). Since the late 1980s methods and algorithms for quantitative coronary angiography (QCA) have been developed in order to objectively quantify the extent of CAD (Serruys et al., 1984). Furthermore, validation of specific QCA measurements associated with clinical outcomes has led to their incorporation into various scoring systems and trials endpoint.


Catheterization and Cardiovascular Interventions | 2014

The SYNTAX score does not predict presence of carotid disease in a multivessel coronary disease population.

Luca Costanzo; Maria Barbara Campisano; Davide Capodanno; Andrea Sole; Carmelo Grasso; Mario Ragusa; Giuseppe Ronsivalle; Claudia Tamburino; Corrado Tamburino; Luigi Di Pino

Numerous reports have shown the relationship between carotid artery atherosclerosis and coronary artery disease (CAD). However, the association between complex CAD evaluated by SYNTAX score (SxScore) and prevalence of carotid lesion (CL) has not been fully investigated. We sought to assess the prevalence of carotid atherosclerosis in patients with multivessel CAD assessed by SxScore and the relationship between SxScore severity and features of carotid atherosclerosis.


Eurointervention | 2010

Highlights and essentials from the first "Experts-live" course of the EuroCTO club.

Alfredo R. Galassi; Gerald S. Werner; George Sianos; Hans Bonnier; Salvatore D. Tomasello; Luca Costanzo; Nicolaus Reifart

Chronic total occlusions (CTOs) are frequently encountered during diagnostic coronary catheterisation. However, there is still confusion regarding the indication for percutaneous coronary intervention (PCI) in this lesion subset, mainly because it is cumbersome and the prognostic impact of revascularisation in these patients remains unclear. Many studies have now shown the long term clinical benefits after CTO PCI1-3; still, with procedural complexity, high radiation exposure to both the patient and the operator, high costs and lower procedural success rates, most patients with CTO are managed medically or referred for bypass graft surgery – regardless of the severity of symptoms and extent of ischaemia4.

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