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W2023700687 abstract "The granting of staff privileges to physicians is an important mechanism to ensure quality care. The Joint Commission on Accreditation of Healthcare Organizations requires that medical staff privileges be based on professional criteria specified in medical staff bylaws. Physicians are charged with defining the criteria that constitute professional competence and with evaluating their peers accordingly. With the evolution of transcatheter aortic valve replacement (TAVR), an important opportunity arises for both cardiologists and surgeons to come together to identify the criteria for performing these procedures. The Society for Cardiovascular Angiography and Interventions (SCAI), American Association for Thoracic Surgery (AATS), American College of Cardiology Foundation (ACCF), and the Society of Thoracic Surgeons (STS) have, therefore, joined together to provide recommendations for institutions to assess their potential for instituting and/or maintaining a transcatheter valve program. This article concerns TAVR. As TAVR is in its infancy, there are few data on which to base this consensus statement. Therefore, many of these recommendations are based on expert consensus. As the procedures evolve, technology changes, experience grows, and more data is accumulated, there will certainly be a need to update this consensus statement. However, with the Food and Drug Administration (FDA) having just approved the first generation of TAVR devices, the writing committee and participating societies believe that the recommendations listed in this report serve as an appropriate starting point. In some ways, these recommendations apply to institutions more than to individuals. As there is a strong consensus that these new valve therapies are best performed using a team approach, these credentialing criteria may be best applied at the institutional level. Partnering societies used the ACCF's policy on relationships with industry and other entities (RWI) to author this document (http://www.cardiosource.org/Science-And-Quality/Practice-Guidelines-and-Quality-Standards/Relationships-With-Industry-Policy.aspx). To avoid actual, potential, or perceived conflicts of interest that may arise as a result of industry relationships or personal interests among the writing committee, all members of the writing committee, as well as peer reviewers of the document, were asked to disclose all current healthcare-related relationships, including those existing 12 months before initiation of the writing effort. A committee of interventional cardiologists and surgeons was formed to include a majority of members with no relevant RWI and be led by an interventional cardiology co-chair and a surgical co-chair with no relevant RWI. Authors with relevant RWI were not permitted to draft or vote on text or recommendations pertaining to their RWI. RWI were reviewed on all conference calls and updated as changes occurred. Author and peer reviewer RWI pertinent to this document are disclosed in Appendices 1 and 2, respectively. In addition, to ensure complete transparency, authors' comprehensive disclosure information (including RWI not pertinent to this document is available as an online supplement to this document http://content.onlinejacc.org/cgi/content/full/j.jacc.2012.02.016/DC1). The work of the writing committee was supported exclusively by the partnering societies without commercial support. Writing committee members volunteered their time to this effort. Conference calls of the writing committee were confidential and attended only by committee members. SCAI, AATS, ACCF, and STS believe that adherence to these recommendations will maximize the chances that these therapies will become a successful part of the armamentarium for treating valvular heart disease in the United States. In addition, these recommendations will hopefully facilitate optimum quality during the delivery of this therapy, which will be important to the development and successful implementation of future, less invasive approaches to structural heart disease. Enabled by the development of new technologies, treatment of valvular heart disease by transcatheter techniques is becoming a favored approach of cardiac providers, resulting in less invasive treatment for patients previously treatable only with open heart surgery or, in many cases, not treatable at all. Recognition from the medical community of the applicability, effectiveness, and practicality of catheter-based transcatheter valve therapies has further increased interest in these treatments. Training program content, standards, credentialing, and board certifications for cardiac surgical procedures and percutaneous coronary intervention (PCI) are well developed, but no such structure exists in the field of percutaneous structural or valvular heart disease therapies. The purpose of this article is to outline criteria for operator and institutional requirements to enable institutions and providers to participate responsibly in this new and rapidly developing field. The emergence of transcatheter aortic valve repair and implantation as an alternative to traditional surgical therapy for valvular diseases has been facilitated by innovative devices, rapidly developing techniques, and careful patient selection [1]. The combination of interventional skills, equipment, collaborative clinical management, surgical approaches, techniques, and decision-making distinguish the qualifications to participate in this field as unique, as does the complexity of the patients requiring these therapies [1-3]. Given both the high-risk nature of these catheter interventions and the availability of established alternative treatment options using traditional surgical approaches, several considerations are important for institutions and operators planning to implement these new technologies. Defining operator and institutional requirements for these novel therapies is an important first step in ensuring their optimal implementation. Establishing a structural heart disease intervention therapy program requires several key components (Tables I and II). The defining principle is that this effort is a joint, institutionally-based activity for cardiologists and cardiac surgeons [1, 4]. Thus, the specialty that provides some of these components will vary from program to program. A transcatheter aortic valve replacement (TAVR) program that uses only one specialty is fundamentally deficient, and valve therapy programs should not be established without this multidisciplinary partnership. Comprehensive multidisciplinary teams (MDTs) are, therefore, required for transcatheter valve therapies. The critical cornerstone for establishing a transcatheter valve program is the formal collaborative effort between interventional cardiologists and cardiac surgeons. This element is essential for establishing a transcatheter valve program. No one individual, group, or specialty possesses all the necessary skills for best patient outcomes [1, 5]. The over-arching goal of these programs must be to provide the best possible patient-centered care [1, 6]. As these are new techniques, the correlation between operator experience and performance metrics for these procedures has yet to be established. The current pool of trained individuals is comprised predominantly of those who have participated in industry-sponsored trials aimed at device approval. Therefore, the translation of currently available experiences with transcatheter valve therapies to the “real world” has yet to be evaluated in the United States. Several core concepts should be implemented for all physicians performing these procedures, irrespective of their specialty background [7, 8]. They should all possess extensive knowledge of valvular heart disease, including the natural history of the disease, hemodynamics, appropriate diagnostics, optimal medical therapy, application and outcome of invasive therapies, and procedural and perioperative care [9]. The ability to interpret echocardiographic and other radiographic images (obtained at baseline, during the procedure, and follow-up) is critically important. MDTs and procedural teams need to possess echocardiographic interpretation skills for transthoracic and transesophageal studies. The use of three-dimensional (3D) and four-dimensional echoes may evolve to become essential diagnostic tools. Expertise in the interpretation of computed tomography (CT) scans of the iliofemoral vessels, cardiac anatomy, as well as aortic valvular anatomy, is critical for determining patient eligibility, and the approach for procedures [8, 10]. As noted, there is as yet no demonstrated direct correlation between operator experience with specific procedures and the skills necessary to perform transcatheter valve procedures, although there are some procedures that require similar prerequisite skills such as balloon aortic valvuloplasty (BAV) for TAVR. There are, however, some core concepts that professional societies have accepted as important for both facilities and operators [1, 11, 12]. Minimum training for specific procedures and devices will, for the immediate future, be primarily dictated by FDA approval requirements. Simulation is likely to play a significant role in technical training and proficiency maintenance for these evolving procedures [12-16]. As these procedures become integrated into mainstream care delivery, the strategy for training will likely need to be revised. Minimum requirements for transcatheter valve therapies include an understanding of basic radiation safety necessary for optimal imaging, operator and patient exposure protection, and knowledge of the use of X-ray contrast agents, which may not be standard in cardiac surgery training and experience. Coronary diagnostic procedures Coronary interventions Peripheral vascular diagnostic procedures Peripheral vascular interventions Balloon aortic, mitral, and pulmonic valve dilatation Stent implantation in right ventricle outflow tract and pulmonary arteries Intra-aortic balloon pump (IABP), other cardiac support device placement, including initiation of percutaneous cardiopulmonary bypass Percutaneous ventricular assist device placement Endovascular aneurysm repair (EVAR) or thoracic endovascular aortic repair (TEVAR) procedures Transseptal techniques Coronary sinus access Large vessel access and closure Operators should also have experience with specific catheter-based techniques required for valve interventions. Similarly, surgeons should have experience with transapical approaches for left ventricular assist device placement and care of similar high-risk patients to perform transapical TAVR [11, 12, 18]. The experience of an interventionalist or surgeon should be relevant to the transcatheter valve procedure undertaken. In this document, attention will focus on cardiac surgery and interventional cardiology experience relevant to aortic valve intervention The concept of sterile technique must be completely understood and stringently applied to the delivery of transcatheter valve therapies. Interventionalists must understand and be able to function in an environment that has more stringent sterile technique requirements than are common in catheterization laboratories. As one of the leaders of the team performing these procedures, the interventionalist must be able to enforce compliance with these standards. These procedures may involve open or partially open surgical components. Also, large devices that possess the same risk of infection as conventional valve prostheses will be implanted, especially for valve replacement procedures. Operating theater standards for sterile technique are, therefore, mandatory to ensure best patient outcomes. Cardiac catheterization laboratory or hybrid operating room (OR)/cath lab equipped with a fixed radiographic imaging system with flat-panel fluoroscopy, offering catheterization laboratory quality imaging. A biplane unit may be advantageous, particularly for congenital heart disease. Noninvasive imaging Echocardiographic laboratory. Transthoracic and transesophageal echocardiographic capabilities with sonographers and echocardiographers experienced in valvular heart disease. Access to 3D echocardiography is preferable. Vascular laboratory (noninvasive) with vascular specialists capable of performing and interpreting vascular studies. CT laboratory with CT technologists and specialists who can acquire and interpret cardiac CT studies. Physical space—The implantation suite must have a sterile environment that meets OR standards. Furthermore, it must have sufficient space to accommodate the necessary equipment for uncomplicated implantations as well as any additional equipment that may be necessary in the event of complications. This includes space for anesthesiology, echocardiography, and cardiopulmonary bypass equipment and personnel. A specifically designed hybrid OR interventional suite is ideal; however, in the absence of such a facility, the interventional cardiac suite should have: Circulating heating, ventilation, and air conditioning laminar flow diffusers (providing smooth, undisturbed air flow and usually placed directly over the procedure table) to meet air requirements for surgery rooms. Asymmetrical/symmetrical six-lamp 2 × 4 troffers (the inverted, usually metal trough suspended from the ceiling as a fixture for fluorescent lighting) to provide adequate high-output lighting for surgical intervention. Adequate number of power receptacles that meet surgical equipment requirements. Capability of running cardiopulmonary bypass apparatus in the interventional suite. Gas outlets for the anesthesia machine. Adequate room size to accommodate the standard equipment required in a cardiac catheterization laboratory (e.g., high-definition displays and monitors, O2 analyzer, defibrillator/resuscitation cart, O2 supply, suction, compressed air, CO-oximeter, activated clotting time analyzer) Minimum room size of 800 square feet (74.3 m2) to accommodate echocardiographic equipment, sonographers, anesthesia equipment, emergency CT surgical team and cardiopulmonary bypass equipment (e.g., surgeon, assistant, scrub tech, pump techs), if needed. Fungible equipment—The interventional suite should stock a large variety of fungible equipment, including various access kits, endovascular sheath and introducers ranging from 4 to 26 F in various lengths, a wide range of guide wires for various purposes, cardiac diagnostic and interventional catheters, vascular closure devices, balloon dilatation catheters ranging from 2 to 30 mm in diameter and of various lengths and profiles, bare metal and covered stents (e.g., coronary and peripheral), occlusive vascular devices, snares and other retrieval devices, drainage catheters, and various implantable device sizes with their delivery systems. Postprocedure intensive care facility with personnel experienced in managing patients who have undergone conventional open heart valve procedures. Use of mobile C-arm imaging system in an OR is not adequate. HYBRID OR—The 2012 American College of Cardiology Foundation/Society for Cardiovascular Angiography and Interventions Expert Consensus Document on Cardiac Catheterization Laboratory Standards Update will outline the specifications for a hybrid Cath Lab/OR [18a]. Though this is preferable, it is not a prerequisite since it is not available at many institutions. Most importantly, there must be dedication on the part of the hospital to provide these services and support, both financially and with no time constraints on the personnel involved. A dedicated administrator as a member of the team is necessary. For preprocedure and postprocedure care and joint formal multidisciplinary patient consultation, adequate outpatient clinical care facilities are necessary. Appropriate office space for the medical, nursing, and technical personnel involved is also required, preferably in a central setting. Ancillary testing facilities (i.e., pulmonary function, echocardiography, vascular Duplex scanning, clinical laboratory, multislice CT) should be of high quality and able to accommodate the patient load on a timely basis. By their very nature, these complex procedures should only be performed in institutions that currently and routinely perform large volumes of surgical aortic valve operations with outcomes that equal or exceed those established nationally for similar procedures. Similarly, only institutions with interventional cardiology programs that have established and successful programs with BAV, catheter closure of periprosthetic valvular leaks, insertion of ventricular septal closure devices with outcomes that equal or exceed those established nationally for similar procedures should develop an integrated structural heart MDT. The institutional commitment required for a successful program goes beyond the necessary space, personnel, and specialized facilities set forth above. The complex and time consuming preprocedure patient triage process and the amount and intensity of postprocedure patient care after discharge are very labor intensive for the physician and nursing staff, as are the informed consents and communications with patients, families, and referring providers. In addition to supporting the core nursing and technical support staff, arrangements between the institution and the physicians need to be structured to reimburse physician efforts dedicated to nonreimbursable hours of clinical care and medical management of the program. The complexity of transcatheter valve procedures and the magnitude of institutional resources required are similar to established heart transplant and cardiac assist device programs, where dedicated professionals, a minimum of infrastructure, MDT, registered nurse/nurse practitioner (NP), providers, coordinators, databases, and quality reporting are essential for optimal patient outcomes [1]. This concept was endorsed by the Centers for Medicare and Medicaid Services (CMS) through the establishment of certification criteria for the use of heart transplantation and cardiac assist devices in centers and, moreover, for eligibility for reimbursement of services provided. The same regulatory system was applied to professionals providing these services. Transcatheter valve treatment programs should undergo a similar regulatory process with CMS endorsement. Centers should be approved for transcatheter aortic valve programs based on a minimum number of cases per year, and perioperative and 1-year outcomes above a minimum threshold. Long-term outcome reporting is obligatory, to track not only survival, but also other parameters including periprocedural complications (CVA, vascular, renal, infectious, etc.), aortic regurgitation, the need for reintervention, subsequent surgery, and quality of life. This type of reporting is essential, since long-term outcome goals for these new procedures have not been established at this early stage. Participation in a national data registry (e.g., STS/ACC TVT Registry) is mandatory [1]. The use of a team approach has been shown to improve outcomes in these types of complex procedures [19]. The MDT necessary for a TAVR program is highlighted by the collaboration between the interventional cardiologist and cardiac surgeon [1]. The MDT, however, goes well beyond this collaboration, and must include key providers from other physician groups (e.g., anesthesiology, radiology, noninvasive cardiology, intensive care). In addition to the individual physicians, other components that extend to various departments are necessary. The idea that the MDT is comprised of individual physicians working in a room performing the procedures is a superficial view that does not take into account the level of resources necessary for a successful valve therapy program. The interaction among specialists in the MDT is fundamental, particularly for preprocedure patient evaluation and selection. It is equally fundamental that the patient be at the very center of all discussions and decision-making regarding the best therapy in her/his particular circumstance. While there is great excitement about the application of transcatheter valve therapies, most of these therapies will only be indicated for a small portion of the population for the immediate future. Proper decision-making and determination of best options for any given patient require an evaluation by the MDT [20]. On-site valve surgery is an essential component of any valve therapy program. The requirement for on-site valve surgery is based not only on the potential need for emergency or “back-up” surgery for percutaneous patients but more importantly on the quality of patient evaluation and selection, decision-making, intraprocedure management, and postprocedure care and outcomes. A cardiac surgeon and an interventional cardiologist must evaluate every case. Interplay between interventional cardiologists and cardiac surgeons represent only part of the benefit of the MDT [1]. As noted above, additional critical contributions are provided by cardiac anesthesiologists by imaging specialists in both cardiology and radiology, and by the many people who extend beyond the physician members of the team. The MDT is led by a core of physicians from interventional cardiology, cardiac surgery, cardiac anesthesiology, and intensive care and cardiac imaging departments, along with congenital heart disease specialists and surgeons, in some instances. Depending on the institutional organization and the needs of the patient, vascular surgery and interventional radiology departments may also participate in the MDT. Additional team members include NPs from all of these fields, research coordinators, and a dedicated administrator. The function of the MDT is essential in preprocedure patient selection, intraprocedure management and problem solving, postprocedure management, postdischarge follow-up, and outcome studies. During procedures, emergencies or unanticipated needs may arise as a matter of course even in the most straightforward situation. The immediate availability of MDT support to help with decision-making or with therapy is essential. A clear definition of roles for different specialties as well as effective communication, which may be different from that of conventional procedures, is critical for successful outcomes. Difficult postprocedure courses are common in the high-risk patients who comprise a large part of the target population for both transcatheter and operative valve therapies. A team approach to problem solving in this setting is critical. Another important part of patient management is the familiarity that the intensive care unit and the monitored step-down floor staff have with the specific details of each form of valve therapy. After the postprocedure management phase, long-term, posthospital follow-up for this select group of patients is also part of the MDT's responsibility. Planning for and resourcing this important phase of care is incumbent on the MDT. Post approval registries (e.g., STS/ACC TVT Registry) [1] will be required for many of the new transcatheter valve therapies, and, therefore, a data collection/research unit within the MDT is another required component. For sites with no prior trial experience in aortic transcatheter therapies, background experience from related procedures is important. The surgical use of ventricular assist device support or apical conduit therapy for aortic stenosis or left ventricular apical venting during aortic aneurysm procedures provides excellent experience for management of apical access for TAVR. For transcatheter procedures that do not directly involve the surgeon as a procedure operator, the role of the cardiac surgeon remains critically important. The surgeon has many roles and is often a patient advocate and/or referring physician, and is a necessary scientific study participant in all of these device applications. The surgeon is familiar with established standards of surgical care for application in transcatheter therapies and is frequently in charge of assessing high-risk patients for catheter-based therapy as an alternative to surgery. In a valve therapy program, neither the surgeon nor the cardiologist should be in charge of the assessment, but rather the MDT. In all transcatheter aortic procedures, the interventionalist and the surgeon should be present for the critical portions of the procedure. Another mechanism for promoting a team approach that involves both surgeons and cardiologists is split or shared physician reimbursement for these procedures, which this writing group strongly endorses. This important principle will ensure that surgeons and cardiologists participate jointly in performing procedures, and that each patient receives the best and most patient-centered treatment. The MDT should meet formally as a group on a regular basis (aside from the usual “cath conference”) to review all patients referred for procedures, performance of recent procedures (to discuss both favorable and unfavorable outcomes), and follow-up of prior procedures. Programmatic success depends on the ability of the MDT to function effectively in the best interest of a given patient. To do so, the MDT must work cohesively through the processes of patient selection, procedural planning, procedural conduct, periprocedural care, and longitudinal follow-up [1]. Through each phase of this continuum, the individual skills of the MDT members should be brought to bear on the process. The procedural success of transcatheter valve therapies begins with patient selection. Given the complexity of the decision-making process surrounding these procedures, it is necessary that all MDT members provide objective input and judgments from the outset of a patient evaluation [1]. In order that true informed consent be obtained, the patient must remain at the center of the deliberations of the MDT at all times, and must be involved in the discussions regarding her/his therapeutic approach and goals. The patient selection process may be initiated by use of regularly scheduled patient selection conferences attended by all MDT members. Such conferences are analogous to transplant patient selection committee meetings, and provide a venue in which patient-specific data and imaging are formally presented and discussed by the MDT. The respective expertise of each discipline represented among MDT members may then be synthesized into a patient-specific recommendation. Direct patient evaluation by cardiologists and cardiac surgeons may be accomplished jointly and, if possible, simultaneously in a venue such as a multidisciplinary valve program clinic. Not only does such a clinic provide convenience for the many patients who are elderly and fragile, but it also provides an opportunity for cardiac surgeons and cardiologists to jointly examine and evaluate complex patients. In so doing, the expertise and judgment of both disciplines may be woven into a patient-specific decision. The participation of anesthesiologists in these clinics may also be useful. Following the decision that a given patient is an appropriate candidate for TAVR, the procedure must then be carefully planned. Cardiac surgical teams are familiar with, and routinely use the concept of, “preprocedure briefings” before complex cardiac surgical operations. In such briefings, all team members (i.e., surgeons, anesthesiologists, perfusionists, nurses, and technicians) discuss the intended procedure, including the steps of the planned procedure, the specific tools and equipment needed (beyond those typically used), the possible complications that may arise during the course of the procedure, and the contingency plans that will be implemented should the unexpected occur [1]. All members of the team may then initiate the planned procedure with a common understanding of its conduct and what will happen if the plan needs to change. As integral members of the MDT, the cardiologist, cardiovascular surgeon, and the catheterization team will participate actively in this preprocedure planning and MDT briefing, which is so important for the procedural success of transcatheter valve therapies. During the procedure, emergency situations and unexpected needs may arise. The immediate availability of MDT physician support in emergency decision-making and therapy is essential. It is, therefore, important that the roles of the various specialties be clearly delineated during preprocedure planning. Patients who undergo transcatheter valve therapies are often elderly and frail with multiple comorbidities. Postprocedure care of such patients may be difficult and entail the management of multiple organ system dysfunctions. In many cases, the initial postprocedure care should be provided in an intensive care setting. A team approach to the care of these patients and to problem solving is important and should include physicians skilled in critical care medicine. Once in-patients are able to leave the intensive care environment, they should be attended by a unit specializing in the care of patients with cardiac diseases, and this unit should be equipped with telemetry-monitored beds. Again, a team approach is important for success. The team of physicians, nurses, occupational and physical therapists, and other members must have an understanding of the pathophysiology of the particular valve condition, as well as the nuances of care for patients who have undergone cardiac surgery and interventional cardiology procedures. Procedural success of transcatheter valve therapies must be determined via longitudinal outcomes. Long-term follow-up of these patients is an important element of the MDT approach. Post-FDA approval registries (e.g., STS/ACC TVT Registry) will be required for most transcatheter valve therapies [1]. Therefore, a long-term relation" @default.
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W2023700687 title "Multisociety (AATS, ACCF, SCAI, and STS) expert consensus statement: Operator and institutional requirements for transcatheter valve repair and replacement, part 1: Transcatheter aortic valve replacement" @default.
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