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Article of the week: Impact of blood transfusion during radical cystectomy

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Every week the Editor-in-Chief selects the 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 Dr. Kluth discussing his paper.

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

Impact of peri-operative blood transfusion on the outcomes of patients undergoing radical cystectomy for urothelial carcinoma of the bladder

Luis A. Kluth1,3, Evanguelos Xylinas1,4, Malte Rieken1,5, Maya El Ghouayel1, Maxine Sun1, Pierre I. Karakiewicz6, Yair Lotan7, Felix K.-H. Chun3, Stephen A. Boorjian8, Richard K. Lee1, Alberto Briganti9 , Morgan Rouprêt10, Margit Fisch3, Douglas S. Scherr1 and Shahrokh F. Shariat1,2,11

1Department of Urology and 2Division of Medical Oncology, Weill Cornell Medical College, New York Presbyterian Hospital, New York, NY, USA, 3Department of Urology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany, 4Department of Urology, Cochin Hospital, Assistance Publique-Hopitaux de Paris, Paris Descartes University, Paris, France, 5Department of Urology, University Hospital of Basel, Basel, Switzerland, 6Department of Urology, University of Montreal, Montreal, QC, Canada, 7Department of Urology, University of Texas Southwestern Medical Center, Dallas, TX, USA, 8Department of Urology, Mayo Medical School and Mayo Clinic, Rochester, MN, USA, 9Department of Urology, Vita-Salute University, Milan, Italy, 10Department of Urology of la Pitié-Salpétrière, Assistance Publique-Hôpitaux de Paris, University Paris VI, Faculté de Médicine Pierre et Marie Curie, Paris, France, and 11Department of Urology, Medical University of Vienna, Vienna, Austria

L.A.K. and E.X. contributed equally to this work

Read the full article
OBJECTIVE

• To determine the association between peri-operative blood transfusion (PBT) and oncological outcomes in a large multi-institutional cohort of patients undergoing radical cystectomy (RC) for urothelial carcinoma of the bladder (UCB).

PATIENTS AND METHODS

• We conducted a retrospective analysis of 2895 patients treated with RC for UCB.

• Univariable and multivariable Cox regression models were used to analyse the effect of PBT administration on disease recurrence, cancer-specific mortality, and any-cause mortality.

RESULTS

• Patients’ median (interquartile range [IQR]) age was 67 (60, 73) years and the median (IQR) follow-up was 36.1 (15, 84) months.

• Patients who received PBT were more likely to have advanced disease (P < 0.001), high grade tumours (P = 0.047) and nodal metastasis (P = 0.004).

• PBT was associated with a higher risk of disease recurrence (P = 0.003), cancer-specific mortality (P = 0.017), and any-cause mortality (P = 0.010) in univariable, but not multivariable, analyses (P > 0.05).

• In multivariable analyses, pathological tumour stage, pathological nodal stage, soft tissue surgical margin, lymphovascular invasion and administration of adjuvant chemotherapy were independent predictors of disease recurrence, cancer-specific mortality and any-cause mortality (all P values <0.002).

CONCLUSIONS

• Patients with UCB who underwent RC and received PBT had a greater risk of disease recurrence, cancer-specific mortality and any-cause mortality in univariable, but not multivariable, analysis.

• Although the greater need for PBT with more advanced disease is probably caused by a number of factors, including surgical and cancer-related factors, the present analysis showed that the disease characteristics rather than need for PBT led to worse outcomes.

 

Read more articles of the week

 

Editorial: Radical cystectomy: how do blood transfusions affect oncological outcomes?

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Kluth et al. [1] have conducted a large retrospective study from several institutions in North America and Europe to assess the impact of blood transfusion on oncological outcomes after radical cystectomy (RC) for bladder cancer. The hypothesis for a negative impact of transfusion on oncological outcomes stems from the observation that renal allograft survival is prolonged after pre-transplant blood transfusions because of its immuno-modulatory effects [2]. This finding prompted Gantt [3] to express concern about the possible adverse effects of transfusions in patients being treated for cancer. Since then, there have been numerous publications addressing this issue in various surgical journals including those of urology with conflicting messages.

Sadeghi et al. [4] queried the Columbia University Urologic Oncology Database. This included 638 patients undergoing RC between 1989 and 2010. Of these, 209 (32.8%) received perioperative blood transfusions. On univariate analysis, the number of units transfused was inversely related to overall and cancer-specific survival. However, on multivariate analysis, it did not prove to be an independent predictor of cancer-specific survival.

As the authors highlighted in this paper, Linder et al. [5] reported a large series of patients from the Mayo Clinic, which included 2060 patients undergoing RC over 25 years. Of this large cohort, 1279 (62%) received perioperative blood transfusion with adverse outcomes, not only in terms of overall and cancer-specific mortality, but also postoperative tumour recurrence.

RC is one of the most major surgical procedures performed in urological surgery. The vast majority of patients with bladder cancer requiring RC are in their mid-sixties, overweight and have several co-morbidities. Some of these patients present late and are anaemic at presentation.

Blood loss during open RC varies depending upon surgeons’ experience, patients’ body mass index, disease stage and availability of modern equipment, e.g. LigaSure™ or stapling devices. Blood transfusion may be required because of pre-existing anaemia or excessive blood loss during surgery. Variations exist in thresholds of anaesthesiologists and the surgeons for transfusions. All of these factors account for variation in reported frequency of transfusion rates for this operation and this is well reflected in many large series of RC.

As there are many confounding factors that may influence overall and cancer-specific survival in patients undergoing RC including stage of the disease, histological nature of the tumour, lymph node status and competing co-morbidities, it is very challenging to control for these factors in retrospective series. Hence, prospective well-controlled multicentre studies are the only way forward to answer this question.

While we await robust evidence on the influence of perioperative transfusion on oncological outcomes, several potential options could be explored to avoid homologous blood transfusion. These include preoperative optimisation of haemoglobin levels through iron infusions, administration of erythropoietin where appropriate, and preoperative autologous-banking. Intraoperatively meticulous surgical technique, use of modern devices, e.g. LigaSure/stapler and Cell Savers, could be used to avoid homologous blood transfusion.

Fortunately, these studies aimed at raising awareness of potential risks of transfusions are appearing in the urological literature at a time when urologists are moving away from open to minimally invasive oncological surgery with a steady decline in the need for perioperative blood transfusion. This is one of the important steps in the right direction and will have a major impact on the need for blood transfusion in foreseeable future.

Muhammed S. Khan
Department of Urology, Guy’s Hospital and King’s College London School of Medicine, London, UK

Read the full article

References

  1. Kluth LA, Xylinas E, Rieken M et al. Impact of perioperative blood transfusion on the outcome of patients undergoing radical cystectomy for urothelial carcinoma of the bladder. BJU Int 2014; 113: 393–398
  2. Opelz G, Sengar DP, Mickey MR, Terasaki PI. Effect of blood transfusions on subsequent kidney transplants. Transplant Proc 1973; 5: 253–259
  3. Gantt CL. Red blood cells for cancer patients. Lancet 1981; 2: 363
  4. Sadeghi N, Badalato GM, Hruby G, Kates M, McKiernan JM. The impact of perioperative blood transfusion on survival following radical cystectomy for urothelial carcinoma. Can J Urol 2012; 19: 6443–6449
  5. Linder BJ, Frank I, Cheville JC et al. The impact of perioperative blood transfusion on cancer recurrence and survival following radical cystectomy. Eur Urol 2013; 63: 839–845
Read more articles of the week

Video: Peri-operative blood transfusion: outcomes in patients with bladder cancer

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Impact of peri-operative blood transfusion on the outcomes of patients undergoing radical cystectomy for urothelial carcinoma of the bladder

Luis A. Kluth1,3, Evanguelos Xylinas1,4, Malte Rieken1,5, Maya El Ghouayel1, Maxine Sun1, Pierre I. Karakiewicz6, Yair Lotan7, Felix K.-H. Chun3, Stephen A. Boorjian8, Richard K. Lee1, Alberto Briganti9, Morgan Rouprêt10, Margit Fisch3, Douglas S. Scherr1 and Shahrokh F. Shariat1,2,11

1Department of Urology and 2Division of Medical Oncology, Weill Cornell Medical College, New York Presbyterian Hospital, New York, NY, USA, 3Department of Urology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany, 4Department of Urology, Cochin Hospital, Assistance Publique-Hopitaux de Paris, Paris Descartes University, Paris, France, 5Department of Urology, University Hospital of Basel, Basel, Switzerland, 6Department of Urology, University of Montreal, Montreal, QC, Canada, 7Department of Urology, University of Texas Southwestern Medical Center, Dallas, TX, USA, 8Department of Urology, Mayo Medical School and Mayo Clinic, Rochester, MN, USA, 9Department of Urology, Vita-Salute University, Milan, Italy, 10Department of Urology of la Pitié-Salpétrière, Assistance Publique-Hôpitaux de Paris, University Paris VI, Faculté de Médicine Pierre et Marie Curie, Paris, France, and 11Department of Urology, Medical University of Vienna, Vienna, Austria

L.A.K. and E.X. contributed equally to this work

Read the full article
OBJECTIVE

• To determine the association between peri-operative blood transfusion (PBT) and oncological outcomes in a large multi-institutional cohort of patients undergoing radical cystectomy (RC) for urothelial carcinoma of the bladder (UCB).

PATIENTS AND METHODS

• We conducted a retrospective analysis of 2895 patients treated with RC for UCB.

• Univariable and multivariable Cox regression models were used to analyse the effect of PBT administration on disease recurrence, cancer-specific mortality, and any-cause mortality.

RESULTS

• Patients’ median (interquartile range [IQR]) age was 67 (60, 73) years and the median (IQR) follow-up was 36.1 (15, 84) months.

• Patients who received PBT were more likely to have advanced disease (P < 0.001), high grade tumours (P = 0.047) and nodal metastasis (P = 0.004).

• PBT was associated with a higher risk of disease recurrence (P = 0.003), cancer-specific mortality (P = 0.017), and any-cause mortality (P = 0.010) in univariable, but not multivariable, analyses (P > 0.05).

• In multivariable analyses, pathological tumour stage, pathological nodal stage, soft tissue surgical margin, lymphovascular invasion and administration of adjuvant chemotherapy were independent predictors of disease recurrence, cancer-specific mortality and any-cause mortality (all P values <0.002).

CONCLUSIONS

• Patients with UCB who underwent RC and received PBT had a greater risk of disease recurrence, cancer-specific mortality and any-cause mortality in univariable, but not multivariable, analysis.

• Although the greater need for PBT with more advanced disease is probably caused by a number of factors, including surgical and cancer-related factors, the present analysis showed that the disease characteristics rather than need for PBT led to worse outcomes.

 

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