Comparison of open and robotic-assisted partial nephrectomy approaches using multicentric data (UroCCR-47 study).

We compared the outcomes of robotic-assisted partial nephrectomy (RPN) and open partial nephrectomy (OPN) using contemporary data to respond to unmet clinical needs. Data from patients included in the registry who underwent partial nephrectomy between January 01, 2014 and June 30, 2017 within 20 centres of the French Network for Research on Kidney Cancer UroCCR were collected (NCT03293563). Statistical methods included adjusted multivariable analyses. Rates of peri- and post-operative transfusion, and of surgical revision, were lower in the RPN (n = 1434) than the OPN (n = 571) group (2.9% vs. 6.0%, p = 0.0012; 3.8% vs. 11.5%, p < 0.0001; 2.4% vs. 6.7%, p < 0.0001, respectively). In multivariable analyses, RPN was independently associated with fewer early post-operative complications than OPN (overall: odds-ratio [95% confidence interval, CI] = 0.48 [0.35-0.66]; severe: 0.29 [0.16-0.54], p < 0.0001 for both) and shorter hospital stays (34% [30%; 37%], p < 0.0001). RPN was also a significantly associated with a decresedrisk of post-operative acute renal failure, and new-onset chronic kidney disease at 3 and 12 months post-surgery. There were no between-group differences in oncological outcomes. In comparison with OPN, RPN was associated with improved peri- and post-operative morbidity, better functional outcomes, and shorter hospital stays. Our results support the use of RPN, even for large and complex tumours.

[Surgical and interventional management of benign prostatic obstruction: Guidelines from the Committee for Male Voiding Disorders of the French Urology Association]. / Traitement chirurgical et interventionnel de l'obstruction sous-vésicale liée à une hyperplasie bénigne de prostate : revue systématique de la littérature et recommandations de bonne pratique clinique du Comité des Troubles Mictionnels de l'Homme.

OBJECTIVE: The aim of the Male Lower Urinary Tract Symptoms Committee (CTMH) of the French Urology Association was to propose an update of the guidelines for surgical and interventional management of benign prostatic obstruction (BPO). METHODS: All available data published on PubMed® between 2018 and 2020 were systematically searched and reviewed. All papers assessing surgical and interventional management of adult patients with benign prostatic obstruction (BPO) were included for analysis. After studies critical analysis, conclusions with level of evidence and French guidelines were elaborated in order to answer the predefined clinical questions. RESULTS/GUIDELINES: Offer a trans-uretral incision of the prostate to treat patients with moderate to severe lower urinary tract symptoms (LUTS) with a prostate volume<30cm3, without a middle lobe. TUIP increases the chances of preserving ejaculation. Propose mono- or bipolar trans-urethral resection of the prostate (TURP) to treat patients with moderate to severe LUTS with a prostate volume between 30 and 80cm3. Vaporization by Greenlight™ or by bipolar energy can be offered as an alternative to TURP. Offer a Greenlight™ laser vaporization to patients at risk of bleeding. Offer endoscopic prostate enucleation to surgically treat patients with moderate to severe LUTS as an alternative to TURP and open prostatectomy (OP). Minimally invasive prostatectomy is an alternative to OP in centers without access to adequate endoscopic procedures. Embolization of the prostatic arteries may be offered in the event of a contraindication or refusal of surgery for prostates with a volume>80cm3. Prostatic uretral lift is an alternative in patients interested in preserving their ejaculatory function and with a prostate volume<70cm3 without a middle lobe. Aquablation and Rezum™ are under evaluation and should be offered in research protocols. CONCLUSION: Major changes in surgical management of BPO have occurred and aim at reducing morbidity and improving quality of life of patients.

[An update on the most recent mini-invasive surgical and interventional techniques in the management of benign prostatic obstruction]. / Mise au point sur les nouvelles techniques chirurgicales et interventionnelles dans la prise en charge de l'obstruction sous-vésicale liée à l'hyperplasie bénigne de la prostate.

INTRODUCTION: New surgical techniques for the treatment of benign prostatic obstruction (BPO) have emerged in recent years. We sought to give an overview on each of these technologies. MATERIAL: A comprehensive review of the literature between 2013 and 2020 was carried out by a panel of national experts already practicing these interventions. All the data were then discussed among all the co-authors in order to obtain a consensus with regard to the selected articles and their analysis. Finally, an inventory was drawn to provide an overview of these technological advances and their availability in France. RESULTS: The treatment benign prostatic obstruction has diversified greatly over the past 5 years. 5 new technologies have emerged, allowing today a transurethral non-ablative treatment (UROLIFT®, ITIND®), a transurethral ablative treatment (REZUM®), a transurethral ablative treatment with robotic assistance (AQUABEAM®) or an endovascular management by embolization of the prostatic arteries. Only UROLIFT® is considered an established technology in the latest EAU-Guidelines. The other four are under evaluation and recommendations have only been issued for two of them, AQUABEAM® and the embolization of the prostatic arteries. CONCLUSION: These new minimally invasive techniques aim to increase the therapeutic options for the management of BPO in order to offer a management more suited to the wishes of the patient. Some are positioned as an alternative to surgical or medical treatment, others between medical and surgical treatment. These technologies are not all at the same level of development, evaluation and level of proof, but have in common a limited distribution in France, in particular given their cost. Validated studies will allow them to position their subsequent use more precisely.

[Holmium laser enucleation of the prostate: Analysis of early complications. Patient selection for day-case surgery]. / Énucléation prostatique au laser Holmium : analyse des complications précoces. Sélection des patients pour l'ambulatoire.

OBJECTIVES: To evaluate the complications and the risk factors of Holmium LASER Enucleation of the prostate (HoLEP) and to propose selection criteria for day-case surgery. MATERIAL AND METHODS: We included retrospectively all consecutive single-center HoLEP procedures performed between January 1, 2012 and December 31, 2016. We reported the pre-operative characteristics of the patients (age, BMI, ASA score, estimated prostate volume, presence of a preoperative catheter, operative indication, antiplatelet or anticoagulant intake) and the peri operative data (duration of intervention, catheterization, hospitalization, transfusion, histopathological findings, 30-day postoperative complications given to Clavien-Dindo classification, presence of a catheter at discharge, urologist experience). Uni- and multi-variate analyzes were performed to investigate risk factors for complications. RESULTS: One thousand two hundred and one patients were included. The overall complication rate was 19.15 %. The transfusion rate was 3.7%. We demonstrated that the age at procedure (P=0.019), an ASA score>2 (P=0.0019), a high prostatic volume (P=0.011), an anticoagulant intake (P=<0.0001), a poor-urologist experience (P=0.048) and a long operative time (P=0.0144) were at risks of complications. CONCLUSION: The identification of postoperative complication risk factors after HoLEP could help to better select patients who are offered day-case surgery and minimize the risk of failure or early readmission. LEVEL OF EVIDENCE: 4.

[Salvage cryotherapy of prostate cancer after failed external radiotherapy and brachytherapy: Morbidity and mid-term oncological results]. / Cryothérapie prostatique de rattrapage après échec de radiothérapie externe ou curiethérapie : morbidité et résultats oncologiques à moyen terme.

OBJECTIVE: To study the oncologic and functional results of salvage cryotherapy after failure of external radiotherapy and brachytherapy. MATERIALS AND METHODS: Patients treated by total salvage cryotherapy (3rd generation) in 2 centers (Groupe Hospitalier Saint-Joseph in Paris and Clinique Jule-Verne Nantes) in between January 2008 and April 2016 were included. The biochemical recurrence-free survival (BRFS) was calculated using the Phoenix criteria (PSA>nadir+2ng/mL). The functional results were assessed clinically. RESULTS: Ninety-seven patients with an average follow up of 39.4months were evaluated retrospectively. The 5-year biochemical recurrence-free survival (5y-BRFS) among all patients was 58.1% (IC à 95% [45.9-68.5]). Low and intermediate risk patients (d'Amico classification) were less prone to biochemical recurrence than high risk (81.05% (IC à 95% [64.1-90.5]) 5y-BRFS as opposed to 35.09% (IC à 95% [20.1-50.4]) respectively) (P<0.0001). As were patients with a Gleason score≤7 75.35% (IC à 95% [59.7-85.6]) compared to 32.31% (IC à 95% [16.5-49.2]) for higher Gleason (>7 scores [P=0.0002]). A Gleason score>7 (OR=6.9; P=0.002), PSA nadir>1ng/mL (OR=25.8; P=0.0026) and peri-urethral invasion (OR=35.8; P<0.001) were major risk factors for local recurrence in univariate analysis. In multivariate analysis, only PSA nadir>1ng/mL (OR=12.9; P=0.042) and peri-urethral invasion (OR=21.6; P=0.0003) remain major risk factors for recurrence. About 13 (16.46%) patients were incontinent of which 3 (3.79%) required placement of an artificial urinary sphincter. Erectile dysfunction was present in 66 (83.5%) patients. Recto-urethral fistula was uncommon in 1 patient (1.27%). CONCLUSION: Salvage cryotherapy after failure of external radiotherapy and brachytherapy is a reliable and reproducible technique with promising oncological and functional results. Study of prognostic factors will help better select eligible patients in the future. LEVEL OF EVIDENCE: 4.

Análisis comparativo entre la enucleación prostática con láser de holmio y la adenomectomía laparoscópica en el tratamiento de adenomas prostáticos mayores de 100 g / Holmium laser enucleation versus laparoscopic simple prostatectomy for large adenomas

Objetivo: Realizar una comparación entre la enucleación prostática con láser de holmio y la adenomectomía por vía laparoscópica. Materiales y métodos: Se compararon los resultados entre 2 grupos de 20 pacientes cada uno (n = 40), los cuales fueron operados por adenomas prostáticos mayores de 100 g en nuestra institución. Al primer grupo se le realizó adenomectomía laparoscópica, mientras que al segundo se le realizó enucleación prostática con láser de holmio. Las variables estudiadas fueron la duración de la cirugía, el tiempo de cateterismo vesical en el postoperatorio y el tiempo de estancia hospitalaria, la puntuación de síntomas prostáticos y el flujo máximo preoperatorio y postoperatorio, así como también las complicaciones y el costo económico. Para el análisis estadístico se utilizó el test t de Student y el test de Fisher. Resultados: No hubo diferencias significativas entre ambos grupos en cuanto a la edad de los pacientes, el tamaño prostático, el tiempo quirúrgico y el peso de la pieza operatoria. La duración del cateterismo vesical postoperatorio (p = 0,0008) y el tiempo de estancia hospitalaria (p < 0,0001) fueron menores en el grupo del láser. Ambos grupos mostraron una mejoría significativa en las variables funcionales a los 3 meses posteriores a la cirugía. En cuanto al análisis del costo económico, cada caso del grupo holmio supuso 2.589 euros, versus 4.706 del grupo laparoscópico. Cuatro pacientes sufrieron complicaciones (20%) en el grupo del láser, mientras que se registraron complicaciones en 5 pacientes (25%) del grupo laparoscópico (p > 0,99). Conclusión: La enucleación prostática con láser de holmio posee similares resultados funcionales a corto plazo y complicaciones que la adenomectomía laparoscópica para el tratamiento de grandes adenomas, con la ventaja de ofrecer menos tiempo de cateterismo vesical y de estancia hospitalaria, así como también menores costos económicos

Objective: The aim of this study is to compare Holmium laser enucleation of the prostate with another minimally invasive technique, the laparoscopic simple prostatectomy. Materials and methods: We compared outcomes of a series of 40 patients who underwent laparoscopic simple prostatectomy (n = 20) with laser enucleation of the prostate (n = 20) for large adenomas (> 100 grams) at our institution. Study variables included operative time and catheterization time, hospital stay, pre- and post-operative International Prostate Symptom Score and maximum urinary flow rate, complications and economic evaluation. Statistical analyses were performed using the Student t test and Fisher test. Results: There were no significant differences in patient age, preoperative prostatic size, operating time or specimen weight between the 2 groups. Duration of catheterization (P = .0008) and hospital stay (P < .0001) were significantly less in the laser group. Both groups showed a statistically significant improvement in functional variables at 3 months post operatively. The cost utility analysis for Holmium per case was 2589 euros versus 4706 per laparoscopic case. In the laser arm, 4 patients (20%) experienced complications according to the modified Clavien classification system versus 5 (25%) in the laparoscopic group (P > .99). Conclusion: Holmium enucleation of the prostate has similar short term functional results and complication rates compared to laparoscopic simple prostatectomy performed in large glands with the advantage of less catheterization time, lower economic costs and a reduced hospital stay

Holmium laser enucleation versus laparoscopic simple prostatectomy for large adenomas.

OBJECTIVE: The aim of this study is to compare Holmium laser enucleation of the prostate with another minimally invasive technique, the laparoscopic simple prostatectomy. MATERIALS AND METHODS: We compared outcomes of a series of 40 patients who underwent laparoscopic simple prostatectomy (n=20) with laser enucleation of the prostate (n=20) for large adenomas (>100 grams) at our institution. Study variables included operative time and catheterization time, hospital stay, pre- and post-operative International Prostate Symptom Score and maximum urinary flow rate, complications and economic evaluation. Statistical analyses were performed using the Student t test and Fisher test. RESULTS: There were no significant differences in patient age, preoperative prostatic size, operating time or specimen weight between the 2 groups. Duration of catheterization (P=.0008) and hospital stay (P<.0001) were significantly less in the laser group. Both groups showed a statistically significant improvement in functional variables at 3 months post operatively. The cost utility analysis for Holmium per case was 2589 euros versus 4706 per laparoscopic case. In the laser arm, 4 patients (20%) experienced complications according to the modified Clavien classification system versus 5 (25%) in the laparoscopic group (P>.99). CONCLUSION: Holmium enucleation of the prostate has similar short term functional results and complication rates compared to laparoscopic simple prostatectomy performed in large glands with the advantage of less catheterization time, lower economic costs and a reduced hospital stay.

The accuracy of renal tumor biopsy: analysis from a national prospective study.

OBJECTIVE: To assess preoperative renal tumor biopsy (RTB) accuracy. MATERIALS AND METHODS: As part of the prospective NEPHRON study, data from 1,237 renal tumors were collected, including the use and results of RTB and final histology following nephrectomy. During the 6 months period of inclusion, 130 preoperative biopsies were performed. We used the kappa coefficient of the McNemar test to determine the concordance between the biopsy and the nephrectomy specimen (NS) regarding four parameters: malignant/benign status, histological subtype, Fuhrman grade and microscopic necrosis. RESULTS: Preoperative biopsies were performed in 9.7 and 11.4 % of the 667 radical and 570 partial nephrectomies, respectively. Tumor biopsy was inconclusive in 7.7 % of the cases. In 117 cases, a comparison between RTB and NS was available. Benign tumors accounted for three (2.6 %) and five (4.3 %) of the RTB and NS, respectively (κ = 0.769, good). With seven (6 %) discordant results in terms of histological subtype characterization between RTB and final pathology, RTB accuracy was considered excellent (κ = 0.882). In 33 cases (31.7 %), Fuhrman grade was underestimated at biopsy resulting in an intermediate concordance level (κ = 0.498). Tumor microscopic necrosis was identified in 12 RTB (10.4 %) versus 33 NS (28.4 %) (κ = 0.357, poor). CONCLUSIONS: RTB provides good to excellent diagnostic performance for discriminating malignancy and tumor histological subtype. However, its performance is intermediate or even poor when considering prognostic criteria like Fuhrman grade or microscopic necrosis. Thus, this possible inaccuracy should be taken into consideration when using RTB for accurate guidance of treatment strategy.

Is there a volume-outcome relationship for partial nephrectomy?

OBJECTIVE: To investigate the impact of hospital volume on partial nephrectomy indications and outcomes. MATERIALS AND METHODS: Data were extracted from the National Observational Registry on the Practice and Hemostasis in Partial Nephrectomy registry. Four groups were created according to the number of partial nephrectomy (PN) performed: very high (VH, ≥ 19 PN), high (H, 10-18 PN), moderate (M, 4-9 PN) and low (L, <4 PN) PN activity. Indications and surgical outcomes were compared among all groups. The effect of hospital volume on postoperative complications and positive margin rate was examined by a multivariable analysis. RESULTS: Fifty-three centers included a total of 570 PN. There were 9 VH, 13 H, 12 M and 19 L volume centers which performed 270 (47.4 %), 179 (31.4 %), 74 (13 %) and 47 (8.2 %) PN, respectively. Patients in higher volume centers were significantly younger (p = 0.008), had a lower BMI (p = 0.002) and decreased ASA score (p < 0.001). PN was more frequently performed in higher volume centers (p = 0.006) particularly in case of renal masses <4 cm (p = 0.005). Open surgery was the most common approach in all groups, but laparoscopic PN was more frequent in M volume hospitals (p < 0.001). Positive margin (p = 0.06) and complications (p = 0.022) rates were higher in M group. In multivariable analysis, renal chronic disease was an independent predictor of positive margin rate (p < 0.001, OR 3.91). CONCLUSIONS: PN is more frequently performed in high volume institutions particularly for small renal masses. We observed increase positive margin and complication rates in moderate volume centers that might be explained by an increased use of laparoscopy.

[CCAFU Recommendations 2013: Renal cancer]. / Recommandations en onco-urologie 2013 du CCAFU: Cancer du rein.

INTRODUCTION: The renal sub Committee of the CCAFU established guidelines for diagnosis, treatment, evaluation and standard of care for renal cell carcinoma. METHODS: 2010 Guidelines were updated based on systematic literature search performed by the sub-Committee in Medline and PubMed databases to evaluate references, levels of evidence and grade of recommendation. RESULTS: Multiphasic CT is the standard imaging technique for renal tumors diagnosis. Percutaneous renal biopsies are increasingly important for the management of localized RCC. Partial Nephrectomy is the first option when technically feasible for cT1 tumours. Open surgery remains the standard approach for locally advanced RCCs. New drugs are available for the treatment of metastatic RCC while the role of nephrectomy needs to be established by the Carmena trial. CONCLUSIONS: Conservative and mini-invasive therapies are increasingly important for the management of localized RCC. Therapeutic armamentarium continues to increase in mRCC.