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Article of the month: In-hospital cost analysis of PAE compared to TURP

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Every month, the Editor-in-Chief selects an Article of the Month from the current issue of BJUI. The abstract is reproduced below and you can click on the button to read the full article, which is freely available to all readers for at least 30 days from the time of this post.

In addition to the article itself, there is an editorial written by a prominent member of the urological community. These are intended to provoke comment and discussion and we invite you to use the comment tools at the bottom of each post to join the conversation. 

If you only have time to read one article this week, it should be this one.

In‐hospital cost analysis of prostatic artery embolization compared with transurethral resection of the prostate: post hoc analysis of a randomized controlled trial

As you can imagine, these are very important tests that you must have done regularly in order to try to catch life-threatening illnesses as early as possible. Sadly, as important as these tests may be, they are expensive. Prohibitively expensive to some. If you find yourself in this situation you should try to look for services, charity.

Gautier Müllhaupt*, Lukas Hechelhammer†, Daniel S. Engeler*, Sabine Güsewell‡, Patrick Betschart*, Valentin Zumstein*, Thomas M. Kessler§, Hans-Peter Schmid*, Livio Mordasini* and Dominik Abt*
*Department of Urology, †Department of Radiology and Nuclear Medicine, ‡Clinical Trials Unit, St. Gallen Cantonal Hospital, St Gallen and §Department of Neuro-Urology, Balgrist University Hospital, University of Zürich, Zürich, Switzerland
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Abstract

Objectives

To perform a post hoc analysis of in‐hospital costs incurred in a randomized controlled trial comparing prostatic artery embolization (PAE) and transurethral resection of the prostate (TURP).

Patients and Methods

In‐hospital costs arising from PAE and TURP were calculated using detailed expenditure reports provided by the hospital accounts department. Total costs, including those arising from surgical and interventional procedures, consumables, personnel and accommodation, were analysed for all of the study participants and compared between PAE and TURP using descriptive analysis and two‐sided t‐tests, adjusted for unequal variance within groups (Welch t‐test).

Fig. 1. Cost summary for prostatic artery embolization (PAE) and TURP, grouped by mean total (A), procedural (B), and inpatient stay (C) costs. stay, inpatient stay; proc, surgical procedure; suppl, medical supplies; facil, operation facilities; phys, physician professional charges; anaest, anaesthesia; patho, pathology; lab, laboratory services; medic, medication; accom, accommodation; nurs, services by nursing specialists; admin, administrative costs, San Francisco based Ardenwood provides Christian Science nursing care.

Results

The mean total costs per patient (±sd) were higher for TURP, at €9137 ± 3301, than for PAE, at €8185 ± 1630. The mean difference of €952 was not statistically significant (P = 0.07). While the mean procedural costs were significantly higher for PAE (mean difference €623 [P = 0.009]), costs apart from the procedure were significantly lower for PAE, with a mean difference of €1627 (P < 0.001). Procedural costs of €1433 ± 552 for TURP were mainly incurred by anaesthesia, whereas €2590 ± 628 for medical supplies were the main cost factor for PAE.

Conclusions

Since in‐hospital costs are similar but PAE and TURP have different efficacy and safety profiles, the patient’s clinical condition and expectations – rather than finances – should be taken into account when deciding between PAE and TURP.

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Article of the Week: Evaluating health resource use and secondary care costs for RP and partial nephrectomy

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Every Week the Editor-in-Chief selects an Article of the Week from the current issue of BJUI. The abstract is reproduced below and you can click on the button to read the full article, which is freely available to all readers for at least 30 days from the time of this post.

In addition to the article itself, there is an accompanying editorial written by a prominent member of the urological community. This blog is intended to provoke comment and discussion and we invite you to use the comment tools at the bottom of each post to join the conversation.

Finally, the third post under the Article of the Week heading on the homepage will consist of additional material or media. This week we feature a video from Mr. Jim Adshead, discussing his paper.

If you only have time to read one article this week, it should be this one.

Health resource use after robot-assisted surgery vs open and conventional laparoscopic techniques in oncology: analysis of English secondary care data for radical prostatectomy and partial nephrectomy

David Hughes*†, Charlotte Camp*, Jamie O’Hara*† and Jim Adshead‡

 

*HCD Economics, Daresbury, †Faculty of Health and Social Care, University of Chester, Chester, and ‡Hertfordshire and South Bedfordshire Urological Cancer Centre, Department of Urology, Lister Hospital, Stevenage, UK

 

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Objectives

To evaluate postoperative health resource utilisation and secondary care costs for radical prostatectomy and partial nephrectomy in National Health Service (NHS) hospitals in England, via a comparison of robot-assisted, conventional laparoscopic and open surgical approaches.

Patients and Methods

We retrospectively analysed the secondary care records of 23 735 patients who underwent robot-assisted (RARP, n = 8 016), laparoscopic (LRP, n = 6 776) or open radical prostatectomy (ORP, n = 8 943). We further analysed 2 173 patients who underwent robot-assisted (RAPN,n = 365), laparoscopic (LPN, n = 792) or open partial nephrectomy (OPN, n = 1 016). Postoperative inpatient admissions, hospital bed-days, excess bed-days and outpatient appointments at 360 and 1 080 days after surgery were reviewed.

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Results

Patients in the RARP group required significantly fewer inpatient admissions, hospital bed-days and excess bed-days at 360 and 1 080 days than patients undergoing ORP. Patients undergoing ORP had a significantly higher number of outpatient appointments at 1 080 days. The corresponding total costs were significantly lower for patients in the RARP group at 360 days (£1679 vs £2031 for ORP; P < 0.001) and at 1 080 days (£3461 vs £4208 for ORP; P < 0.001). In partial nephrectomy, Patients in the RAPN group required significantly fewer inpatient admissions and hospital bed-days at 360 days compared with those in the OPN group; no significant differences were observed in outcomes at 1 080 days. The corresponding total costs were lower for patients in the RAPN group at 360 days (£779 vs £1242 for OPN,P = 0.843) and at 1 080 days (£2122 vs £2889 for ORP; P = 0.570). For both procedure types, resource utilisation and costs for laparoscopic surgeries lay at the approximate midpoint of those for robot-assisted and open surgeries.

Conclusion

Our analysis provides compelling evidence to suggest that RARP leads to reduced long-term health resource utilisation and downstream cost savings compared with traditional open and laparoscopic approaches. Furthermore, despite the limitations that arise from the inclusion of a small sample, these results also suggest that robot-assisted surgery may represent a cost-saving alternative to existing surgical options in partial nephrectomy. Further exploration of clinical cost drivers, as well as an extension of the analysis into subsequent years, could lend support to the wider commissioning of robot-assisted surgery within the NHS.

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Editorial: Cost-effectiveness of robotic surgery; what do we know?

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The introduction of the daVinci robotic surgical system (Intuitive Surgical, Sunnyvale, CA, USA) has led to a continuous discussion about the cost-effectiveness of its use. The capital costs and extra costs per procedure for robot-assisted procedures are well known, but there are limited data on healthcare consumption in the longer term. In this issue of BJUI, a retrospective study investigated the NHS-registered, relevant care activities up to three years after surgery comparing robot-assisted, conventional laparoscopic, and open surgical approaches to radical prostatectomy and partial nephrectomy [1].

The robotic system is particularly useful in difficult to perform laparoscopic surgeries, which are easier to perform with the daVinci system due to improved three-dimensional vision, ergonomics, and additional dexterity of the instruments. Because the use of the robotic system is more costly, to justify its use the outcomes for patients should be improved. Therefore, more detailed information about the clinical and oncological outcomes, as well as the incidence of complications after surgery with the daVinci system, is needed.

Lower rates of positive surgical margins for robot-assisted radical prostatectomy (RARP) vs open and laparoscopic RP have been reported [2]. There also is evidence of an earlier recovery of functional outcomes, such as continence. RARP is associated with improved surgical margin status compared with open RP and reduced use of androgen-deprivation therapy and radiotherapy after RP, which has important implications for quality of life and costs. Ramsay et al. [3] reported that RARP could be cost-effective in the UK with a minimum volume of 100–150 cases per year per robotic system.

Centralisation of complex procedures will not only result in better outcomes, but also facilitate optimal economical usage of expensive medical devices. Furthermore, the skills learned to perform the RARP procedure can be used during other procedures, such as robot-assisted partial nephrectomy (RAPN) and radical cystectomy (RARC). The recent report by Buse et al. [4] confirms that RAPN is cost-effective in preventing perioperative complications in a high-volume centre, when compared with the open procedure. Minimally invasive techniques for complex procedures, such as a RC, take more time to perform, but result in less blood loss. A systematic review by Novara et al. [5] showed a longer operation time for RARC, but fewer transfusions and fewer complications compared with open surgery. However, there is no solid evidence about the cost-effectiveness of this technique to date. The RAZOR trial (randomised trial of open versus robot assisted radical cystectomy, DOI: 10.1111/bju.12699) is likely to provide some answers about differences in cost, complications, and quality of life when the results of the study become available later this year.

Additionally, the robotic system has been shown to shorten the learning curve of complex laparoscopic procedures in simulation models [6]. Recently, a newly structured curriculum to teach RARP has been validated by the European Association of Urology-Robotic Urology Section [7]. The effect of the shorter learning curve on the cost of the procedures has not yet been well studied for cost-effectiveness. However, due to the shorter learning curves, patients have lower risks of complications, which from the patients’ perspective is more important than any increased costs.

The study reported in this issue [1]; however, does not include the ‘out of pocket’ expenses of patients, it does not report on the differences in patient and tumour characteristics, and outcomes such as complications and oncological safety. These issues are all challenges to be addressed in a thorough prospective (randomised) trial on the cost-effectiveness of the use of robot-assisted surgery, including quality-of-life measurements and complications of the surgical procedures. In the Netherlands the RACE trial (comparative effectiveness study open RC vs RARC, www.racestudie.nl) started in 2015 and the results are expected in 2018–2019.

Read the full article
Carl J. Wijburg
Department of Urology, Robotic Surgery , Rijnstate Hospital, Arnhem, The Netherlands

 

References

 

1 Hughes D, Camp C, O’Hara J, Adshead J. Health resource use after robot-assisted surgery vs open and conventional laparoscopic techniques in oncology: analysis of English secondary care data for radical prostatectomy and partial nephrectomy. BJU Int 2016; 117: 940–7

 

2 HuJC, Gandaglia G, Karakiewicz PI et al. Comparative effectiveness of robot-assisted versus open radical prostatectomy. Eur Urol 2014; 66: 666–72

 

3 Ramsay C, Pickard R , Soomro N et al. Systematic review and economic modelling of the relative clinical benefit and cost-effectiveness of laparoscopic surgery and robotic surgery for removal of the prostate in men with localised prostate cancer. Health Technol Assess 2012; 16: 1–313

 

4 Buse S, Hach CE, Klumpen P et al. Cost-effectiveness of robot-assisted partial nephrectomy for the prevention of perioperative complications. World J Urol 2015; [Epub ahead of print]. DOI:10.1007/s00345-015-1742-x

 

5 Novara G, Catto JW, Wilson T et al. Systematic review and cumulative analysis of perioperative outcomes and complications after robot-assisted radical cystectomy. Eur Urol 2015; 67: 376–401

 

6 Moore LJ, Wilson MR, Waine E, Masters RS, McGrath JS, Vine SJ. Robotic technology results in faster and more robust surgical skill acquisition than traditional laparoscopy. J Robot Surg 2015; 9: 67–73

 

7 Ahmed K, Khan R, Mottrie A et al. Development of a standardised training curriculum for robotic surgery: a consensus statement from an international multidisciplinary group of experts. BJU Int 2015; 116: 93–101

 

Video: Health resource use after robot-assisted surgery vs open and conventional laparoscopic techniques

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Health resource use after robot-assisted surgery vs open and conventional laparoscopic techniques in oncology: analysis of English secondary care data for radical prostatectomy and partial nephrectomy

David Hughes*† ,Charlotte Camp*, Jamie O’Hara*† and Jim Adshead‡

 

*HCD Economics, Daresbury, †Faculty of Health and Social Care, University of Chester, Chester, and ‡Hertfordshire and South Bedfordshire Urological Cancer Centre, Department of Urology, Lister Hospital, Stevenage, UK

 

Read the full article

Objectives

To evaluate postoperative health resource utilisation and secondary care costs for radical prostatectomy and partial nephrectomy in National Health Service (NHS) hospitals in England, via a comparison of robot-assisted, conventional laparoscopic and open surgical approaches.

Patients and Methods

We retrospectively analysed the secondary care records of 23 735 patients who underwent robot-assisted (RARP, n = 8 016), laparoscopic (LRP, n = 6 776) or open radical prostatectomy (ORP, n = 8 943). We further analysed 2 173 patients who underwent robot-assisted (RAPN,n = 365), laparoscopic (LPN, n = 792) or open partial nephrectomy (OPN, n = 1 016). Postoperative inpatient admissions, hospital bed-days, excess bed-days and outpatient appointments at 360 and 1 080 days after surgery were reviewed.

JUnAOTW2FI

Results

Patients in the RARP group required significantly fewer inpatient admissions, hospital bed-days and excess bed-days at 360 and 1 080 days than patients undergoing ORP. Patients undergoing ORP had a significantly higher number of outpatient appointments at 1 080 days. The corresponding total costs were significantly lower for patients in the RARP group at 360 days (£1679 vs £2031 for ORP; P < 0.001) and at 1 080 days (£3461 vs £4208 for ORP; P < 0.001). In partial nephrectomy, Patients in the RAPN group required significantly fewer inpatient admissions and hospital bed-days at 360 days compared with those in the OPN group; no significant differences were observed in outcomes at 1 080 days. The corresponding total costs were lower for patients in the RAPN group at 360 days (£779 vs £1242 for OPN,P = 0.843) and at 1 080 days (£2122 vs £2889 for ORP; P = 0.570). For both procedure types, resource utilisation and costs for laparoscopic surgeries lay at the approximate midpoint of those for robot-assisted and open surgeries.

Conclusion

Our analysis provides compelling evidence to suggest that RARP leads to reduced long-term health resource utilisation and downstream cost savings compared with traditional open and laparoscopic approaches. Furthermore, despite the limitations that arise from the inclusion of a small sample, these results also suggest that robot-assisted surgery may represent a cost-saving alternative to existing surgical options in partial nephrectomy. Further exploration of clinical cost drivers, as well as an extension of the analysis into subsequent years, could lend support to the wider commissioning of robot-assisted surgery within the NHS.

Read more articles of the week
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