OBSERVANT: Studio osservazionale per la valutazione di appropriatezza, efficienza ed efficacia delle procedure AVR-TAVI nel trattamento della stenosi aortica sintomatica severa. Protocollo di studio

Translated title of the contribution: OBSERVANT: Observational study of appropriateness, efficacy and effectiveness of AVR-TAVI procedures for the treatment of severe symptomatic aortic stenosis. Study protocol

Fulvia Seccareccia, Filippo Palumbo, Alessandro Ghirardini, Fulvio Moirano, Francesco Di Stanislao, Carlo A. Perucci, Paola D'Errigo, Mauro Grigiani, Gennaro Santoro, Francesco Pizzuto, Francesco Santini, Claudia Grossi, Corrado Tamburino, Angelo Bruno Ramondo, Marco Ranucci, Fablo Guarracino, Remo Daniel Covello, Fablo Tiecco, Danilo Fusco, Rossana De PalmaCarlo Zocchetti, Salvatore Scondatto, Piero Borgia

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Rationale. Severe symptomatic aortic stenosis (SSAS) is the most common acquired valvular heart disease in the western world, and its prevalence is strongly linked to the phenomenon of population ageing. After symptom onset, patients with SSAS, if untreated, show very poor prognoses, unavoidably reaching complete disability status with a significant reduction in survival. Although aortic valve replacement (AVR) is the definitive therapy for this kind of patients, a new, less-invasive alternative like transcatheter aortic valve implantation (TAVI) has been considered, at least for a large proportion of patients with very high or prohibitive operative risks. OBSERVANT represents the first observational multicenter perspective study on the comparative effectiveness of TAVI, AVR, and medical therapy in the Italian population with SSAS. Materials and methods. In the participating hospitals, to define the patient risk profile for each patient with SSAS, data on demographic characteristics, health status prior to intervention and presence of comorbidities will be collected. Moreover, complete information on the type of intervention will be gathered. Mortality within 30 days from intervention is the primary adverse outcome. Secondary outcomes include mortality within 12 and 24 months and the incidence of in-hospital major adverse cardiac and cerebrovascular events. Clinical monitoring procedures will allow assessment of the reliability and completeness of the database and help maintain constant quality control. To compare the effectiveness of AVR, TAVI, and medical treatment in terms of medium- and long-term outcomes, accounting for possible differences in patient case-mix among the three treatment groups, risk adjustment techniques will be applied. Expected results. Short-, medium-, and long-term outcome in patients undergoing one of the three SSAS treatments; use, appropriateness, and economic and organizational impact of TAVI and AVR procedures; specific "indication criteria" to guarantee appropriate patient selection for AVR or TAVI; new pre-procedure risk score, specific for the elderly Italian population; guidelines on TAVI procedure coding and a system of administrative follow-up to be proposed to the regional health systems for managing the use of the AVR or TAVI procedures. Conclusions. The complete knowledge base derived from this study will be directly transferable to professionals and policy makers, giving them evidence-based results for use in their decision-making process.

Original languageItalian
Pages (from-to)897-909
Number of pages13
JournalGiornale Italiano di Cardiologia
Volume11
Issue number12
Publication statusPublished - Dec 2010

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Aortic Valve Stenosis
Aortic Valve
Observational Studies
Therapeutics
Population
Risk Adjustment
Heart Valve Diseases
Western World
Knowledge Bases
Mortality
Diagnosis-Related Groups
Transcatheter Aortic Valve Replacement
Administrative Personnel
Quality Control
Patient Selection
Health Status
Multicenter Studies
Comorbidity
Decision Making
Economics

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

OBSERVANT : Studio osservazionale per la valutazione di appropriatezza, efficienza ed efficacia delle procedure AVR-TAVI nel trattamento della stenosi aortica sintomatica severa. Protocollo di studio. / Seccareccia, Fulvia; Palumbo, Filippo; Ghirardini, Alessandro; Moirano, Fulvio; Di Stanislao, Francesco; Perucci, Carlo A.; D'Errigo, Paola; Grigiani, Mauro; Santoro, Gennaro; Pizzuto, Francesco; Santini, Francesco; Grossi, Claudia; Tamburino, Corrado; Ramondo, Angelo Bruno; Ranucci, Marco; Guarracino, Fablo; Covello, Remo Daniel; Tiecco, Fablo; Fusco, Danilo; De Palma, Rossana; Zocchetti, Carlo; Scondatto, Salvatore; Borgia, Piero.

In: Giornale Italiano di Cardiologia, Vol. 11, No. 12, 12.2010, p. 897-909.

Research output: Contribution to journalArticle

Seccareccia, F, Palumbo, F, Ghirardini, A, Moirano, F, Di Stanislao, F, Perucci, CA, D'Errigo, P, Grigiani, M, Santoro, G, Pizzuto, F, Santini, F, Grossi, C, Tamburino, C, Ramondo, AB, Ranucci, M, Guarracino, F, Covello, RD, Tiecco, F, Fusco, D, De Palma, R, Zocchetti, C, Scondatto, S & Borgia, P 2010, 'OBSERVANT: Studio osservazionale per la valutazione di appropriatezza, efficienza ed efficacia delle procedure AVR-TAVI nel trattamento della stenosi aortica sintomatica severa. Protocollo di studio', Giornale Italiano di Cardiologia, vol. 11, no. 12, pp. 897-909.
Seccareccia, Fulvia ; Palumbo, Filippo ; Ghirardini, Alessandro ; Moirano, Fulvio ; Di Stanislao, Francesco ; Perucci, Carlo A. ; D'Errigo, Paola ; Grigiani, Mauro ; Santoro, Gennaro ; Pizzuto, Francesco ; Santini, Francesco ; Grossi, Claudia ; Tamburino, Corrado ; Ramondo, Angelo Bruno ; Ranucci, Marco ; Guarracino, Fablo ; Covello, Remo Daniel ; Tiecco, Fablo ; Fusco, Danilo ; De Palma, Rossana ; Zocchetti, Carlo ; Scondatto, Salvatore ; Borgia, Piero. / OBSERVANT : Studio osservazionale per la valutazione di appropriatezza, efficienza ed efficacia delle procedure AVR-TAVI nel trattamento della stenosi aortica sintomatica severa. Protocollo di studio. In: Giornale Italiano di Cardiologia. 2010 ; Vol. 11, No. 12. pp. 897-909.
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T1 - OBSERVANT

T2 - Studio osservazionale per la valutazione di appropriatezza, efficienza ed efficacia delle procedure AVR-TAVI nel trattamento della stenosi aortica sintomatica severa. Protocollo di studio

AU - Seccareccia, Fulvia

AU - Palumbo, Filippo

AU - Ghirardini, Alessandro

AU - Moirano, Fulvio

AU - Di Stanislao, Francesco

AU - Perucci, Carlo A.

AU - D'Errigo, Paola

AU - Grigiani, Mauro

AU - Santoro, Gennaro

AU - Pizzuto, Francesco

AU - Santini, Francesco

AU - Grossi, Claudia

AU - Tamburino, Corrado

AU - Ramondo, Angelo Bruno

AU - Ranucci, Marco

AU - Guarracino, Fablo

AU - Covello, Remo Daniel

AU - Tiecco, Fablo

AU - Fusco, Danilo

AU - De Palma, Rossana

AU - Zocchetti, Carlo

AU - Scondatto, Salvatore

AU - Borgia, Piero

PY - 2010/12

Y1 - 2010/12

N2 - Rationale. Severe symptomatic aortic stenosis (SSAS) is the most common acquired valvular heart disease in the western world, and its prevalence is strongly linked to the phenomenon of population ageing. After symptom onset, patients with SSAS, if untreated, show very poor prognoses, unavoidably reaching complete disability status with a significant reduction in survival. Although aortic valve replacement (AVR) is the definitive therapy for this kind of patients, a new, less-invasive alternative like transcatheter aortic valve implantation (TAVI) has been considered, at least for a large proportion of patients with very high or prohibitive operative risks. OBSERVANT represents the first observational multicenter perspective study on the comparative effectiveness of TAVI, AVR, and medical therapy in the Italian population with SSAS. Materials and methods. In the participating hospitals, to define the patient risk profile for each patient with SSAS, data on demographic characteristics, health status prior to intervention and presence of comorbidities will be collected. Moreover, complete information on the type of intervention will be gathered. Mortality within 30 days from intervention is the primary adverse outcome. Secondary outcomes include mortality within 12 and 24 months and the incidence of in-hospital major adverse cardiac and cerebrovascular events. Clinical monitoring procedures will allow assessment of the reliability and completeness of the database and help maintain constant quality control. To compare the effectiveness of AVR, TAVI, and medical treatment in terms of medium- and long-term outcomes, accounting for possible differences in patient case-mix among the three treatment groups, risk adjustment techniques will be applied. Expected results. Short-, medium-, and long-term outcome in patients undergoing one of the three SSAS treatments; use, appropriateness, and economic and organizational impact of TAVI and AVR procedures; specific "indication criteria" to guarantee appropriate patient selection for AVR or TAVI; new pre-procedure risk score, specific for the elderly Italian population; guidelines on TAVI procedure coding and a system of administrative follow-up to be proposed to the regional health systems for managing the use of the AVR or TAVI procedures. Conclusions. The complete knowledge base derived from this study will be directly transferable to professionals and policy makers, giving them evidence-based results for use in their decision-making process.

AB - Rationale. Severe symptomatic aortic stenosis (SSAS) is the most common acquired valvular heart disease in the western world, and its prevalence is strongly linked to the phenomenon of population ageing. After symptom onset, patients with SSAS, if untreated, show very poor prognoses, unavoidably reaching complete disability status with a significant reduction in survival. Although aortic valve replacement (AVR) is the definitive therapy for this kind of patients, a new, less-invasive alternative like transcatheter aortic valve implantation (TAVI) has been considered, at least for a large proportion of patients with very high or prohibitive operative risks. OBSERVANT represents the first observational multicenter perspective study on the comparative effectiveness of TAVI, AVR, and medical therapy in the Italian population with SSAS. Materials and methods. In the participating hospitals, to define the patient risk profile for each patient with SSAS, data on demographic characteristics, health status prior to intervention and presence of comorbidities will be collected. Moreover, complete information on the type of intervention will be gathered. Mortality within 30 days from intervention is the primary adverse outcome. Secondary outcomes include mortality within 12 and 24 months and the incidence of in-hospital major adverse cardiac and cerebrovascular events. Clinical monitoring procedures will allow assessment of the reliability and completeness of the database and help maintain constant quality control. To compare the effectiveness of AVR, TAVI, and medical treatment in terms of medium- and long-term outcomes, accounting for possible differences in patient case-mix among the three treatment groups, risk adjustment techniques will be applied. Expected results. Short-, medium-, and long-term outcome in patients undergoing one of the three SSAS treatments; use, appropriateness, and economic and organizational impact of TAVI and AVR procedures; specific "indication criteria" to guarantee appropriate patient selection for AVR or TAVI; new pre-procedure risk score, specific for the elderly Italian population; guidelines on TAVI procedure coding and a system of administrative follow-up to be proposed to the regional health systems for managing the use of the AVR or TAVI procedures. Conclusions. The complete knowledge base derived from this study will be directly transferable to professionals and policy makers, giving them evidence-based results for use in their decision-making process.

KW - Aortic stenosis

KW - Aortic valve replacement

KW - Effectiveness

KW - Transcatheter aortic valve implantation

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