A novel strategy for stent deployment in the treatment of acute or threatened closure complicating ballon coronary angioplasty. Use of short or standard (or both) single or multiple Palmaz-Schatz stents

Antonio Colombo, Steven L. Goldberg, Yaron Almagor, Luigi Maiello, Leo Finci

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Abstract

Objectives. The purpose of this study was to determine the immedite and long-term angiographic and clinical results of coronary stenting as a specific therapy for intracoronary dissection associated with acute or threatened closure complicating percutaneous transluminal coronary angioplasty. Background. Published reports contain conflicting results with regard to the benefit of stent insertion for coronary dissection. In particular, there is a wide range in the reported rates of subacute occlusion. Methods. Palmaz-Schatz stents were inserted in 56 patients who had significant dissections and acute or threatened closure complcating angioplasty. An attempt was made to cover the entire site of the dissection with short or standard or multiple Palmaz-Schatz stents. The use of the short stent allowed complete coverage of the dissection, specifically in situations such as marked vessel tortuosity or the need to place a stent distal to a deployed stent. Results. A single steel was implanted in 24 patients and multiple stents were implanted in 32 patients. A total of 138 stents (78 standard 60 short stents) were implanted, The primary clinical success rate was 88% (49 of 56 patients). Complications occured in seven patients (12.5%): Three patients (5%) required urgent bypass surgery; two patients (4%) had a myocardial infarction; and two patients (4%) died. Subacute occlusion occurred in one patient (2%). Clinical follow-up was available in all patients at a mean of 10 ± 4 months. Thirty-nine (80%) of 49 patients were clinically asymptomatic. Angiographic restenosis was found in 15 (36%) of 42 patients on angiographic follow-up performed a mean of 5 months (median 6) after the procedure in 86% of the eligible patients. Nine patients had successfull repeat angioplasty, and two had elective bypass surgery. Conclusions. The strategy of coronary stenting to completely cover the lesion is an effective treatement for large coronary dissection complicating angioplasty. A total major complication rate of 12.5% may be acceptable for this high risk group.

Original languageEnglish
Pages (from-to)1887-1891
Number of pages5
JournalJournal of the American College of Cardiology
Volume22
Issue number7
DOIs
Publication statusPublished - 1993

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Angioplasty
Stents
Dissection
Therapeutics
Coronary Balloon Angioplasty
Steel
Myocardial Infarction

ASJC Scopus subject areas

  • Nursing(all)

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A novel strategy for stent deployment in the treatment of acute or threatened closure complicating ballon coronary angioplasty. Use of short or standard (or both) single or multiple Palmaz-Schatz stents. / Colombo, Antonio; Goldberg, Steven L.; Almagor, Yaron; Maiello, Luigi; Finci, Leo.

In: Journal of the American College of Cardiology, Vol. 22, No. 7, 1993, p. 1887-1891.

Research output: Contribution to journalArticle

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title = "A novel strategy for stent deployment in the treatment of acute or threatened closure complicating ballon coronary angioplasty. Use of short or standard (or both) single or multiple Palmaz-Schatz stents",
abstract = "Objectives. The purpose of this study was to determine the immedite and long-term angiographic and clinical results of coronary stenting as a specific therapy for intracoronary dissection associated with acute or threatened closure complicating percutaneous transluminal coronary angioplasty. Background. Published reports contain conflicting results with regard to the benefit of stent insertion for coronary dissection. In particular, there is a wide range in the reported rates of subacute occlusion. Methods. Palmaz-Schatz stents were inserted in 56 patients who had significant dissections and acute or threatened closure complcating angioplasty. An attempt was made to cover the entire site of the dissection with short or standard or multiple Palmaz-Schatz stents. The use of the short stent allowed complete coverage of the dissection, specifically in situations such as marked vessel tortuosity or the need to place a stent distal to a deployed stent. Results. A single steel was implanted in 24 patients and multiple stents were implanted in 32 patients. A total of 138 stents (78 standard 60 short stents) were implanted, The primary clinical success rate was 88{\%} (49 of 56 patients). Complications occured in seven patients (12.5{\%}): Three patients (5{\%}) required urgent bypass surgery; two patients (4{\%}) had a myocardial infarction; and two patients (4{\%}) died. Subacute occlusion occurred in one patient (2{\%}). Clinical follow-up was available in all patients at a mean of 10 ± 4 months. Thirty-nine (80{\%}) of 49 patients were clinically asymptomatic. Angiographic restenosis was found in 15 (36{\%}) of 42 patients on angiographic follow-up performed a mean of 5 months (median 6) after the procedure in 86{\%} of the eligible patients. Nine patients had successfull repeat angioplasty, and two had elective bypass surgery. Conclusions. The strategy of coronary stenting to completely cover the lesion is an effective treatement for large coronary dissection complicating angioplasty. A total major complication rate of 12.5{\%} may be acceptable for this high risk group.",
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AU - Maiello, Luigi

AU - Finci, Leo

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N2 - Objectives. The purpose of this study was to determine the immedite and long-term angiographic and clinical results of coronary stenting as a specific therapy for intracoronary dissection associated with acute or threatened closure complicating percutaneous transluminal coronary angioplasty. Background. Published reports contain conflicting results with regard to the benefit of stent insertion for coronary dissection. In particular, there is a wide range in the reported rates of subacute occlusion. Methods. Palmaz-Schatz stents were inserted in 56 patients who had significant dissections and acute or threatened closure complcating angioplasty. An attempt was made to cover the entire site of the dissection with short or standard or multiple Palmaz-Schatz stents. The use of the short stent allowed complete coverage of the dissection, specifically in situations such as marked vessel tortuosity or the need to place a stent distal to a deployed stent. Results. A single steel was implanted in 24 patients and multiple stents were implanted in 32 patients. A total of 138 stents (78 standard 60 short stents) were implanted, The primary clinical success rate was 88% (49 of 56 patients). Complications occured in seven patients (12.5%): Three patients (5%) required urgent bypass surgery; two patients (4%) had a myocardial infarction; and two patients (4%) died. Subacute occlusion occurred in one patient (2%). Clinical follow-up was available in all patients at a mean of 10 ± 4 months. Thirty-nine (80%) of 49 patients were clinically asymptomatic. Angiographic restenosis was found in 15 (36%) of 42 patients on angiographic follow-up performed a mean of 5 months (median 6) after the procedure in 86% of the eligible patients. Nine patients had successfull repeat angioplasty, and two had elective bypass surgery. Conclusions. The strategy of coronary stenting to completely cover the lesion is an effective treatement for large coronary dissection complicating angioplasty. A total major complication rate of 12.5% may be acceptable for this high risk group.

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