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R Valenti

Publications and source records attributed to R Valenti.

At least 19 recordsLinked to original sources
PubMed2001

Evidence for an unconventional magnetic instability in the spin-tetrahedra system Cu(2)Te(2)O(5)Br(2).

Thermodynamic experiments as well as Raman scattering have been used to study the magnetic instabilities in the spin-tetrahedra systems Cu(2)Te(2)O(5)X(2), X = Cl and Br. While the phase transition observed in the Cl system at T(N) = 18.2 K is consistent with 3D antiferromagnetic ordering, the phase transition at T(o) = 11.4 K in the Br system has several unusual features. We propose an explanation in terms of weakly coupled tetrahedra with a singlet-triplet gap and low-lying singlets.

Journal Article↗
PubMed2001

Prognostic implications of restrictive left ventricular filling in reperfused anterior acute myocardial infarction.

OBJECTIVES: We sought to assess the relative prognostic role of a restrictive left ventricular (LV) filling pattern after a first anterior acute myocardial infarction (AMI) in patients treated with primary percutaneous transluminal coronary angioplasty (PTCA). BACKGROUND: In thrombolized patients, a short Doppler-derived mitral deceleration time (DT) of early filling is a powerful independent predictor of heart failure and death. However, it is still unknown whether the outcome of patients with AMI with a short DT may be improved by a more aggressive treatment. METHODS: In 104 patients, two-dimensional and Doppler echocardiograms were obtained three days after the index AMI. Coronary angiography was performed in all patients one and six months after PTCA. The patients were classified into two groups according to the DT duration: group 1 (n = 34) with DT < or = 130 ms and group 2 (n = 70) with DT >130 ms. All patients were followed-up for a mean (+/- SD) period of 32 +/- 10 months. RESULTS: During the follow-up period, 14 patients (13%) were admitted to the hospital for congestive heart failure, and 9 patients (9%) died. All cardiac deaths (n = 7) occurred in group 1. The survival rate at mean follow-up was 79% in group 1 and 97.2% in group 2 (p = 0.003). Multivariate Cox analysis showed that only age and restrictive filling were independent predictors of event-free survival. Furthermore, when survival with no cardiovascular events was analyzed, a short DT still emerged as the most powerful independent predictor. CONCLUSIONS: Patients with a restrictive LV filling pattern early after anterior AMI have a poor clinical outcome, even if treated with primary PTCA.

Aged↗
PubMed2001

Sex-based differences in clinical and angiographic outcomes after primary angioplasty or stenting for acute myocardial infarction.

A paucity of data exists on the importance of gender in contributing to the mortality rate after primary angioplasty, although it is has been shown that women with acute myocardial infarction (AMI) are less likely than men to undergo reperfusion treatments. This study analyzes gender-related differences in 6-month clinical and angiographic outcomes in nonselected patients with AMI who underwent primary angioplasty or stenting. We compared clinical and angiographic outcomes of 230 women and 789 men who underwent primary angioplasty or stenting from January 1995 to August 1999. The women were older than the men, and had a greater incidence of diabetes and cardiogenic shock. The 6-month mortality rate was 12% in women and 7% in men (p = 0.028). Nonfatal reinfarction occurred in 3% of the women and in 1% of the men (p = 0.010). There were no differences in repeat target vessel revascularization rates. After multivariate analysis, gender did not emerge as a significant variable in relation to 6-month mortality or to the combined end point of death, reinfarction, and repeat target vessel revascularization. Both women and men with stented infarct arteries had lower restenosis rates (29% and 26%, respectively) than patients without stents (52% and 39%, repectively). The results of outcome analysis in nonselected patients suggest that sex is not an independent predictor of mortality after primary angioplasty for AMI, and that the benefit of primary stenting is similar in men and women.

Aged↗
PubMed2001

Is it inherently prejudicial to try a juvenile as an adult?

Given only information that a youth who could have been tried as either an adult or as a juvenile was being tried as an adult for murder, 218 undergraduate mock jurors were able to form consistent impressions of the defendant. A very high percent of our mock jurors included a criminal or juvenile justice history as part of that impression. A very large majority of the mock jurors also said that knowledge of that criminal history would be relevant to their vote of guilty. Almost all mock jurors said they would be influenced toward voting guilty by knowledge of a previous criminal history. Few of the other components of the impression were so closely correlated with a judgment of relevance, or with a judgment that they would be influenced toward voting guilty by the knowledge of that component of the stereotype. The effect is relatively specific to knowledge of a previous criminal history. The study has limited ecological validity. Nonetheless, we raise questions about whether the fact that a youth is put on trial as an adult is inherently prejudicial, and violates the Sixth Amendment right to an impartial jury.

Adolescent↗
PubMed2001

Clinical and angiographic outcomes following elective implantation of the Carbostent in patients at high risk of restenosis and target vessel failure.

The Carbostent is a new balloon-expandable, stainless steel, tubular stent with innovative multicellular design and unique turbostratic carbon coating. The aim of this study was to assess clinical and angiographic outcomes after Carbostent implantation in 112 patients poorly suitable for an effective treatment with stenting because of the high risk of thrombosis, late restenosis, and clinical target vessel failure. The inclusion criteria were age > 75 years, diabetes mellitus, a lesion length > 10 mm, a reference vessel diameter < 3.0 mm, an ostial location of the target lesion, and chronic total occlusion. Overall, a total of 175 stents ranging from 9 to 25 mm in length were placed in 147 lesions. There were no stenting attempt failures. The acute gain after stent implantation was 2.46 +/- 0.51 mm, and the residual stenosis 0 +/- 4%. No stent thrombosis occurred, nor myocardial infarction. The 6-month event-free survival rate was 74% +/- 5%. The 6-month angiographic follow-up showed a late loss of 0.81 +/- 0.88 mm and a binary (> or = 50%) restenosis rate of 25%. The results of this study suggest that the Carbostent may be highly effective in patients at high risk of restenosis and target vessel failure.

Adult↗
PubMed2001

Influence of insulin-like growth factor-1 and leptin on bone mass in healthy postmenopausal women.

This study examines the influence of circulating insulin-like growth factor-1 (IGF-1) and serum leptin on bone mass as well as modulation of bone mass during skeletal development. Moreover, an inverse relationship between IGF-1 and leptin is reported. To evaluate the effects of serum IGF-1 and serum leptin on bone mass in healthy postmenopausal women, and the possible role of IGF-1 in leptin production, we studied a population of 123 women, aged 39-82 years. Bone mineral density (BMD) was determined by whole-body dual-energy X ray absorptiometry, which also enables measurement of body composition. Bone metabolism was assessed by measuring serum total alkaline phosphatase (TAP) and urinary hydroxyproline/creatinine (HP/Cr) excretion. IGF-1 correlated significantly with age (r = -0.28, p < 0.01) and years since menopause (r = -0.24, p < 0.01). A negative correlation was also found with weight and body mass index (r = -0.15, p < 0.05 and r = -0.19, p < 0.05, respectively). Leptin values were strongly correlated with weight (r = 0.7, p < 0.01), BMI (r = 0.7, p < 0.01), fat mass (r = 0.77, p < 0.01), and lean mass (r = 0.39, p < 0.01); a significant correlation was found with total body BMD (r = 0.29, p < 0.01), TAP (r = 0.15, p < 0.05), and HP/Cr (r = 0.18, p < 0.05). After adjustment for BMI, the significance of these relationships disappeared, demonstrating the lack of effect of serum leptin on BMD and bone turnover independent of body weight. On the other hand, the relationship between BMD and fat mass remained statistically significant after adjusting for serum leptin (r = 0.15, p < 0.05). Controlling for BMI eliminated the significant inverse correlation between IGF-1 and leptin; significant differences in leptin levels were found among women in the lower and higher quartile of IGF-1, suggesting that leptin production may be inhibited only at high values of serum IGF-1. We conclude that serum IGF-1 and serum leptin have no direct effect on bone mass and bone turnover.

Adult↗
PubMed2001

Prevalence of undiagnosed coeliac syndrome in osteoporotic women.

OBJECTIVES: The aims of the study were to quantify the prevalence of asymptomatic coeliac disease (CD) in a cohort of osteoporotic females, and to investigate the features of bone loss. DESIGN AND SUBJECTS: We studied 255 women (mean age 66.6 +/- 8.5 SD) with primary osteoporosis (WHO diagnostic criteria). After the first CD screening with the measure of serum IgG antigliadin antibodies (IgG-AGA), 53 women showed a positive test: antibodies to tissue transglutaminase (TG-ab) were subsequently determined to confirm the diagnosis of CD. Bone metabolism was evaluated by: serum and urinary calcium, serum and urinary phosphate, serum alkaline phosphatase, urinary crosslaps, serum 25(OH)D and serum parathyroid hormone. RESULTS: High levels of IgG-AGA and TG-ab were observed in 24 patients with a prevalence of serological disease of 9.4%. These women were characterized, in comparison with the other patients, by a statistically significant reduction in serum 25(OH)D (17.8 +/- 7.2 vs. 55.1 +/- 20.3 nmol L(-1), P < 0.01) together with a significant increase of iPTH (65.1 +/- 29.7 vs. 35.1 +/- 20.0 pg mL(-1); P < 0.01). Patients with high TG-ab levels showed also slightly raised values of urinary crosslaps (288 +/- 88 vs. 270 +/- 90 microm mol(-1) Cr). In IgG-AG positive patients a statistically significant inverse correlation was found between 25(OH)D serum levels and log-transformed TG-ab values (r: -0.95, P < 0.001). Intestinal biopsies were obtained in 10 TG-ab positive women and verified CD in six patients. CONCLUSIONS: These data support the hypothesis that patients with undiagnosed celiac disease develop high remodelling processes related to calcium malabsorption, secondary hyperparathyroidism and unavailability of vitamin D with a consequent more marked bone loss.

Adult↗
PubMed2001

Direct infarct artery stenting without predilation and no-reflow in patients with acute myocardial infarction.

BACKGROUND: In patients with acute myocardial infarction (AMI), the rate of microvascular embolization and no-reflow promoted by coronary stenting with the use of conventional techniques (CS) appears to be greater than the one that occurs with balloon angioplasty. The minor invasiveness of direct stenting (DS) of the infarct artery without predilation could be expected to reduce embolization in the coronary microvasculature and no-reflow in patients with AMI. METHODS: In a cohort of 423 consecutive patients with AMI who underwent infarct-artery stenting, we compared CS and DS in terms of angiographic no-reflow rate and 1-month clinical outcome. RESULTS: At baseline patients who underwent DS (n = 110) had a better risk profile compared with the use of CS (n = 313). The incidence of angiographic no-reflow was 12% in the CS group and 5.5% in the DS group (P =.040). The 1-month mortality rate was 8% in the CS group and 1% in the DS group (P =.008). The mortality rate was 11% in patients with no-reflow and 5.6% in patients with a normal flow. Multivariate analysis showed that age, preprocedure patent infarct artery, and lesion length were related to the risk of no-reflow. In the subset of patients with a target lesion length </=15 mm, the variables independently related to the risk of no-reflow were age, DS, and final balloon inflation pressure. CONCLUSIONS: DS in patients with AMI may reduce the incidence of angiographic no-reflow, thereby increasing ultimate effective myocardial reperfusion.

Acute Disease↗
PubMed2001

Leptin and body composition in healthy postmenopausal women.

BACKGROUND: Leptin has been proposed to be involved in central control of adiposity and fat distribution but the role of this peptide is controversial. The aim of our study was to test the relationship between serum leptin and body composition, fat distribution, and some biochemical markers such as fasting insulinemia and lipoproteins in a population of healthy Italian postmenopausal women. METHODS: One hundred and twenty-three postmenopausal women (62.1+/-8.7 years) were evaluated. Body composition (fat and lean mass) was assessed by dual-energy X-ray absorptiometry (DXA). Two regions of interest were determined for regional fat analysis. Serum leptin and insulinemia were measured by radioimmunoassay, lipoproteins with colorimetric methods and apolipoproteins nephelometrically. RESULTS: Plasma leptin levels are strongly related to total fat mass, in grams (r=0.73, p<0.001) or as a percentage of soft tissue (r=0.75, p<0.001), and to adiposity, calculated as ratio between lean and fat mass (r=0.76, p<0.001). A significant correlation was also found between serum leptin and central fat distribution (r=0.29, p<0.01). As concerns biochemical markers, serum leptin was significantly related to fasting insulin (r=0.38, p<0.001), total cholesterol (r=0.29, p<0.01), Apolipoprotein-B (r=0.35, p<0.001), and triglycerides (r=0.22, p<0.05). When corrected for total fat mass, the partial correlation coefficients remain significant for percentage of total body fat (r=0.27, p<0.01), adiposity (r=0.23, p<0.01), and fat proportion in android region (r=0.18, p<0.05). CONCLUSIONS: These data indicate that leptin levels are related to adiposity and fasting insulin levels; indeed fast insulin mantains significant correlation with leptin (r=0.23, p<0.01) after controlling for fat mass. Android distribution of fat mass in elderly women is associated with leptin concentration.

Adipose Tissue↗
PubMed2000

Clinical and angiographic outcome after coronary arterial stenting with the carbostent.

The Carbostent is a new balloon-expandable, stainless steel, tubular stent with innovative multicellular design and unique turbastratic carbon coating (Carbofilm). This open nonrandomized 2-center study assesses the immediate and long-term clinical and angiographic outcomes after Carbostent implantation in patients with native coronary artery disease. The Carbostent was implanted in 112 patients with 132 de novo lesions. Most patients (55%) had unstable angina, and 38% of lesions were type B2-C. The mean lesion length was 12.5 +/- 7.0 mm, and 29% of lesions were > 15 mm in length. No stent deployment failure occurred, as well as acute or sub-acute stent thrombosis. The 6-month event-free survival was 84 +/- 4%. One patient with a stented right coronary artery and no restenosis at the angiographic follow-up died after 6 months of fatal infarction due to abrupt closure of a nontarget vessel. In-hospital non-Q-wave myocardial infarction occurred in 1 patient, and 11 patients had repeat target lesion revascularization (target lesion revascularization rate 10%). The 6-month angiographic follow-up was obtained in 108 patients (96%) (127 lesions). Angiographic restenosis rate was 11%. The loss index was 0.29 +/- 0.28. The results of this study indicate a potential benefit of Carbostent for the prevention of stent thrombosis and restenosis in these relatively high-risk patients. A larger trial is being planned to confirm these promising results.

Adult↗
PubMed2000

Stenting for in-stent restenosis.

Intravascular ultrasound studies have shown that additional stent implantation is the only percutaneous technique that allows for recovery of all the lumen area of the original implantation procedure. Despite this theoretical advantage, information on systematic additional stent implantation is still forthcoming, especially concerning the impact of new stent designs. This prospective study evaluated the efficacy of routine additional stent implantation for treatment of in-stent restenosis in 68 consecutive patients. Repeat stenting was successful in all cases, and second-generation tubular stents were used in 84% of patients. The mean additional stent length was 19.2 +/- 9.4 mm, and 15% of patients had multiple stent implantation. The postprocedure minimum lumen diameter was 3.11 +/- 0.41 mm, and the percentage residual stenosis was 2% +/- 7%. At a mean clinical follow-up of 10 +/- 8 months (follow-up rate 100%), the incidence of major adverse events was 21% (1 death, 13 target vessel revascularizations). Overall, angiographic restenosis rate was 32% (angiographic follow-up rate 79%). By multivariate analysis, the only predictors of recurrence after additional stenting were unstable angina at the second procedure (OR 8.70, 95% CI 1.50-50.33, P = 0.019), and early clinical recurrence after the first stent procedure (OR 4.83, 95% CI 1.13-20.71, P = 0.038). Additional stenting is a safe and effective treatment modality for the majority of patients with in-stent restenosis. Alternative treatments should be considered only for patients with in-stent restenosis presenting as unstable angina or early recurrence after a first stent procedure.

Aged↗
PubMed2000

Primary stenting in nonselected patients with acute myocardial infarction: the Multilink Duet in Acute Myocardial Infarction (MIAMI) trial.

Most randomized trials comparing primary stenting with primary coronary angioplasty (PTCA) excluded patients at high risk from enrollment, thus arising the important question about the generalizability of the randomized trial results to all patients with AMI. The aim of this study was to assess the feasibility and effectiveness of a primary infarct-related artery (IRA) stenting strategy using a second-generation tubular stent in nonselected patients with acute myocardial infarction (AMI). All patients with AMI were considered eligible for primary IRA stenting. No restriction was made based on age or clinical status on presentation, or coronary anatomy, except in cases of a reference IRA diameter < 2.5 mm. The primary endpoint of the study was clinical target vessel failure defined as death, reinfarction, or repeat TVR due to restenosis or reocclusion of the IRA. Between June 1998 and March 1999, 201 consecutive patients with AMI underwent mechanical recanalization of the IRA. The mean age was 64 +/- 12, and 16% of patients were aged 75 years or over. The incidence of shock was 9%. Primary IRA stenting was performed in 89% of the patients. Patients who underwent PTCA alone had a smaller IRA diameter as compared to patients with a stented IRA (2.48 +/- 0.46 mm vs. 3.15 +/- 0.37 mm; P < 0.001). There were no stent deployment failures. The 6-month primary endpoint rate was 15% (2 deaths, 27 repeat TVR, 0 reinfarctions), while the 6-month angiographic restenosis rate was 22%. Primary IRA stenting in nonselected patients with AMI is highly feasible and associated with favorable clinical and angiographic outcomes. Cathet. Cardiovasc. Intervent. 51:273-279, 2000.

Adult↗
PubMed2000

Soluble tumor necrosis factor alpha receptors (sTNF-Rs) in HIV-1-infected intravenous drug users: change in circulating sTNF-R type II level and survival for AIDS patients.

UNLABELLED: This study in intravenous drug users (IVDUs) investigated differences in serum soluble tumor necrosis factor types I and II (sTNFR-I and II) concentrations in HIV-1-infected IVDUs and controls. This study also investigated whether changes of sTNFRs concentration affect the risk of death among patients with AIDS. A cross-sectional study of 54 subjects with AIDS, 47 HIV-seropositive IVDUs, 47 HIV-seronegative IVDUs, and 21 healthy subjects showed that sTNFRs concentration increases from healthy controls to AIDS patients through HIV-seronegative and HIV-seropositive subjects (p < 0.01). sTNFR-I concentration, however, was shown to be similar in HIV-seronegative IVDUs and healthy controls. In the longitudinal study, serum concentration of sTNFRs was determined near AIDS diagnosis in 21 IVDUs and 1 year later (start for the survival study). Cox proportional hazards regression was performed to assess the prognostic value of percent change of sTNFR level alone and in combination with T lymphocyte subsets, HIV-p24 antigenemia and opportunistic infections for death within 240 days. Uni- and multivariate Cox modelling for dichotomised variables according to its median showed an increase of sTNFR-II by at least 30% to be single significant predictor of death: crude relative risk 3.69, p = 0.03; adjusted relative risk 5.67, p = 0.02. Mean survival was 126 days in 11 patients whose sTNFR-II level increased by at least 30%, and 176 days in 10 patients with less change in sTNFR-II (p = 0.02). CONCLUSIONS: sTNFRs concentration is higher in IVDUs than in healthy controls and is highest in AIDS patients. Survival of patients with AIDS is associated with variation in the concentration of sTNFR-II.

Acquired Immunodeficiency Syndrome↗
PubMed2000

A randomized study of intravenous magnesium in acute myocardial infarction treated with direct coronary angioplasty.

BACKGROUND: Notwithstanding the negative result of the International Study of Infarct Survival-4 (ISIS-4), the controversy about the role of magnesium in acute myocardial infarction is still open because, according to experimental data, magnesium could decrease myocardial damage and mortality only if infusion is started before reperfusion. This randomized placebo-controlled trial was designed to evaluate the effect of intravenous magnesium, delivered before, during, and after direct coronary angioplasty, in patients with acute myocardial infarction. METHODS: One-hundred fifty patients were randomized to intravenous magnesium sulfate or placebo. The primary end point was an infarct zone wall motion score index at 30 days, as a measure of infarct size. The secondary end points included creatine kinase peak, ventricular fibrillation/tachycardia within the first 24 hours, death and congestive heart failure within the 30-day follow-up, and 30-day left ventricular ejection fraction. Analysis was by intention to treat. RESULTS: There were no significant differences between the magnesium and placebo groups in the 30-day infarct zone wall motion score index (1.93 +/- 0.61 vs 1.85 +/- 0.51, P =.39), ventricular arrhythmias (24% vs 15%, P =.15), death (0 vs 1%, P =.32), heart failure (8% vs 7%, P =.75), and 30-day left ventricular ejection fraction (49% +/- 11% vs 50% +/- 9%, P = 0.55). There was a trend toward a higher creatine kinase peak in the magnesium group (3059 +/- 2359 vs 2404 +/- 1673,P =.052). CONCLUSIONS: Intravenous magnesium delivered before, during, and after reperfusion did not decrease myocardial damage and did not improve the short-term clinical outcome in patients with acute myocardial infarction treated with direct angioplasty.

Angioplasty, Balloon, Coronary↗
PubMed1999

Primary coronary infarct artery stenting in acute myocardial infarction.

Completed and ongoing randomized trials have provided results that favor primary infarct-related artery (IRA) stenting as opposed to primary percutaneous transluminal coronary angioplasty, but the applicability of the trial results to all patients with acute myocardial infarction (AMI) has not yet been investigated. This study sought to determine the applicability of an unconditional IRA stenting strategy in nonselected patients with AMI. After successful mechanical recanalization of the IRA, all patients with AMI and a reference diameter > or =2.5 mm were considered eligible for primary IRA stenting without any restriction regarding age or clinical status on presentation. The primary end point of the study was a composite end point defined as death, reinfarction, or repeat target lesion revascularization. Primary IRA stenting was successfully performed in 161 of 190 consecutive patients with AMI (85%), and of 162 (99%) considered suitable for stenting. Patients with nonstented IRA had a reference IRA diameter smaller than patients with a stent (2.71+/-0.48 vs 3.20+/-0.41 mm, p <0.001). Overall, the 6-month mortality was 5%. Mortality was 2% for patients without, and 32% for patients with cardiogenic shock. The incidences of reinfarction and of repeat target lesion revascularization were 1% and 12%, respectively. The 6-month angiographic follow-up showed an IRA patency rate of 94% and a restenosis rate of 26%. The results of this study strengthen the hypothesis that unconditional primary IRA stenting is highly feasible, and may actually improve the outcome of patients with AMI.

Adult↗
PubMed1999

Systematic primary angioplasty in octogenarian and older patients.

BACKGROUND: There are conflicting data about the efficacy of aggressive treatment and early intervention among high-risk patients with acute myocardial infarction (AMI), such as elderly patients. This study sought to determine the short- and long-term outcome of octogenarian and older patients after primary percutaneous transluminal coronary angioplasty (PTCA). METHODS: In our tertiary referral center a program of primary PTCA was begun in 1995, and the systematic care for AMI included primary PTCA in all patients with AMI, with no age restriction. Over a period of 3 years, 55 octogenarian or older patients underwent primary PTCA. RESULTS: Between January 1995 and July 1998, 719 patients with AMI underwent primary PTCA. Of these, 55 patients were octogenarians or older (mean age, 84 +/- 3 years). Primary PTCA failure occurred in 3 (5%) patients. An optimal acute angiographic result was achieved in 51 (93%) patients. Stenting of the infarct vessel was accomplished in 33 (60%) patients. The 30-day mortality rate was 16%. The mortality rate was 4% in patients without cardiogenic shock on presentation and 70% in patients with cardiogenic shock. The recurrent ischemia rate was 13% and resulted in nonfatal reinfarction in 2 patients and repeat PTCA in 5 patients. As determined by multivariate analysis, an optimal acute angiographic result and cardiogenic shock were significantly related to mortality. The 1-year survival rate was 77%. CONCLUSIONS: The results of this study suggest that the benefits of primary PTCA apply to the very elderly and support an early aggressive strategy for this high-risk patient subset.

Aged↗
PubMed1999

Current role of stenting in acute myocardial infarction.

Primary infarct artery stenting has the potential to advance treatment of acute myocardial infarction. The postulated mechanisms of the benefit of stenting in acute myocardial infarction are the achievement of an acute optimal angiographic result and correction of any residual dissection to decrease the incidence of early and late restenosis and reocclusion and of the correlated events such as fatal and nonfatal reinfarction and repeat target vessel revascularization for recurrent ischemia. The results of 5 completed randomized trials comparing primary stenting with primary percutaneous transluminal coronary angioplasty show a lower incidence of the composite end point of death, myocardial infarction, and repeat target vessel revascularization in the stent groups as compared with the angioplasty groups and support the more extensive use of stents in patients with acute myocardial infarction. The efforts of the next years will be focused on further refinement of stent design and composition and the evaluation of pharmacological agents effective in restoring myocardial reperfusion to the fullest extent.

Angioplasty, Balloon, Coronary↗