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  • 1
    Electronic Resource
    Electronic Resource
    Does Robotic Technology Make Minimally Invasive Cardiac Surgery Too Expensive? A Hospital Cost Analysis of Robotic and Conventional Techniques (2005)
    350 Main Street , Malden , MA 02148-5020 , USA and 9600 Garsington Road , Oxford OX4 2XG , England . : Blackwell Science Inc
    Journal of cardiac surgery 20 (2005), S. 0 
    Details
    ISSN: 1540-8191
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract  Background: While potential benefits of robotic technology include decreased morbidity and improved recovery, some have suggested a prohibitively high cost. This study was undertaken to compare actual hospital costs of robotically assisted cardiac procedures with conventional techniques. Methods: We conducted a retrospective review of clinical and financial data of 20 patients who underwent atrial septal defect (ASD) closure and 20 patients who underwent mitral valve repair (MVr) using either robotic techniques or a conventional approach with a sternotomy. Total hospital cost (actual resource consumption) was subdivided into operative and postoperative costs. Results: Robotic technology did not significantly increase total hospital cost for ASD closure or MVr (p = 0.518 and p = 0.539). However, when including the initial capital investment for the robot through amortization of institutional costs, total hospital cost was increased by $3,773 for robotic ASD closure and $3,444 for robotic MVr (p = 0.021 and p = 0.004). The major driver of cost for robotic cases (operating room time) decreased over time. Conclusions: Robotic technology did not significantly increase hospital cost. While the absolute cost for robotic surgery was higher than conventional techniques after taking into account the institutional cost of the robot, the major driver of cost for robotic procedures will likely continue to decrease, as the surgical team becomes increasingly familiar with robotic technology. Furthermore, other benefits, such as improvement in postoperative quality of life and more expeditious return to work may make a robotic approach cost-effective. Thus, it is possible that the benefits of robotic surgery may justify investment in this technology.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1540-8191.2005.200385.x
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  • 2
    Electronic Resource
    Electronic Resource
    Introduction (2004)
    350 Main Street , Malden , MA 02148-5020 , USA and 9600 Garsington Road , Oxford OX4 2XG , England . : Blackwell Science Inc
    Journal of cardiac surgery 19 (2004), S. 0 
    Details
    ISSN: 1540-8191
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.0886-0440.2004.04034.x
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  • 3
    Electronic Resource
    Electronic Resource
    Alternative Energy Sources for Surgical Atrial Ablation (2004)
    350 Main Street , Malden , MA 02148-5020 , USA and 9600 Garsington Road , Oxford OX4 2XG , England . : Blackwell Science Inc
    Journal of cardiac surgery 19 (2004), S. 0 
    Details
    ISSN: 1540-8191
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract  As less complex modifications of the Maze procedure have been developed, a number of energy sources have been introduced to facilitate the creation of electrically isolating lesions within the atria. These include cryoablation, radiofrequency, microwave, laser, and focused ultrasound. Although each of these sources works slightly differently, the goal of all thermal sources is to heat tissue to a temperature (50°C) above which irreversible electrical isolation occurs. These sources have been utilized both endocardially in arrested heart procedures as well as epicardially in the beating heart setting. There are several obstacles to the use of these sources epicardially, mostly related to the heat sink effect of endocardial blood. Several recent modifications have been introduced that will hopefully increase the efficacy of these sources in beating heart applications. (J Card Surg 2004;19:201-206)
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.0886-0440.2004.04037.x
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  • 4
    Electronic Resource
    Electronic Resource
    Changing Trends in Mechanical Circulatory Assistance: (2004)
    350 Main Street , Malden , MA 02148-5020 , USA and 9600 Garsington Road , Oxford OX4 2XG , England . : Blackwell Science Inc
    Journal of cardiac surgery 19 (2004), S. 0 
    Details
    ISSN: 1540-8191
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract  Background: The success of long-term implantable ventricular assist devices has led to their increased use in patients previously thought to be unsuitable for mechanical support. As a result, the demographic profile of patients presenting for LVAD support has changed over time. We reviewed our institutional experience to identify emerging risk factors and changing trends in patients who received the HeartMate VE LVAD. Methods: The clinical records were reviewed of 131 consecutive LVAD recipients between 1996 and 2001. All perioperative data were collected prospectively and entered into an institutional database. All patients received a preoperative risk stratification score based upon published criteria. The cohort was arbitrarily divided into early (n = 45), mid (n = 45), and late groups (n = 41). Results: Overall operative mortality was 25% with no difference between groups. The mean risk score increased significantly over time (early 3.5 ± 0.4 vs. late 5.3 ± 0.3, p 〈 0.05). The proportion of patients at high risk for mortality (score 〉5) was significantly higher in the late group (51% vs. 29%, p 〈 0.05). Although ventilation time and ICU stay was similar for all groups, hospital stay was longer in the late group (43 days vs. 23 days, p 〈 0.05). Mean duration of support fell from 90 to 59 days, but this failed to achieve statistical significance. Out-patient therapy decreased from 73% in the early group to 15% in the late group (p 〈 0.001). Multivariate analysis identified right heart failure (odds ratio 4.1, 95% CI 2–11) and risk score (OR 1.4, 95% CI 1.2–1.6) as independent predictors of death. Conclusions: Despite an increasingly high risk patient population, the mortality associated with LVAD therapy has remained constant. Duration of LVAD support has decreased with a trend toward transplantation before hospital discharge. These data continue to support the aggressive institution of mechanical assistance for acute or chronic heart failure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.0886-0440.2004.4074_11.x
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  • 5
    Electronic Resource
    Electronic Resource
    Minimally Invasive Surgery for Atrial Fibrillation: (2004)
    350 Main Street , Malden , MA 02148-5020 , USA and 9600 Garsington Road , Oxford OX4 2XG , England . : Blackwell Science Inc
    Journal of cardiac surgery 19 (2004), S. 0 
    Details
    ISSN: 1540-8191
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract  In the last several years, a number of procedures have been conceived that have attempted to treat atrial fibrillation (AF) by creating a limited set of lesions modeled after those of the Maze operation. These lesions have been created by a variety of means, including the traditional cut-and-sew method, but also by nonincisional techniques. These have included cryoablation as well as several thermal techniques, using radiofrequency, microwave, laser, and focused ultrasound energy. One reason for the development of these nonincisional techniques has been the desire to develop less invasive operations for the treatment of AF. The specific goal of our center has been to utilize these energy sources as well as other minimally invasive tools, such as surgical robots, to develop a closed chest, off-pump procedure for AF. The development of such a procedure is outlined in this article. (J Card Surg 2004;19:216-220)
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.0886-0440.2004.04041.x
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  • 6
    Electronic Resource
    Electronic Resource
    Facilitated Insertion of the Hancock II Bioprosthesis (2002)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of cardiac surgery 17 (2002), S. 0 
    Details
    ISSN: 1540-8191
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1540-8191.2002.tb01207.x
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