Giovanni Petralia

Beyond the Learning Curve of the Retzius-sparing Approach for Robot-assisted Laparoscopic Radical Prostatectomy: Oncologic and Functional Results of the First 200 Patients with ≥1 Year of Follow-up

BACKGROUND Robot-assisted laparoscopic radical prostatectomy (RARP) has become the main surgical option for localized prostate cancer. We recently developed a new approach for RARP, passing through the pouch of Douglas and avoiding all the Retzius structures involved in continence and potency preservation. OBJECTIVE To report the functional and oncologic results of our first 200 patients operated on using this new approach. DESIGN, SETTING, AND PARTICIPANTS This was a prospective, noncontrolled case series including the first 200 consecutive patients undergoing this kind of surgery (January the 1st, 2010 to December the 31st, 2011). SURGICAL PROCEDURE Retzius-sparing RARP. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS All perioperative, oncologic, and functional data were prospectively recorded. Potency was defined as an International Index of Erectile Function-5 questionnaire score >17; continence was defined as use of no pad or of one safety liner. Oncologic results were reported as positive surgical margins (PSM) and 1-yr biochemical disease-free survival (1y-bDFS). Recurrence was defined as a repeated prostate-specific antigen >0.2 ng/ml. Complications were graded according to the Clavien-Dindo system. The first 100 patients (group 1) were compared with the second 100 (group 2) to evaluate the learning curve effects. RESULTS AND LIMITATIONS The median patient age was 65 yr. Comparing the two groups, transfusions were needed in 8% versus 4% of cases in groups 1 and 2, respectively (p=0.02). There was one Clavien-Dindo grade 3b in group 1 versus one grade 3a complication in group 2. In patients with pT2 disease, PSMs were recorded in 22.4% of those in group 1 versus 10.1% in group 2 (p=0.045). 1y-bDFS was 89% in group 1 versus 92% in group 2. For groups 1 and 2, respectively, immediate continence was reached in 92% versus 90% of patients, and the 1-yr continence rate was 96% versus 96%. Considering the 77 potent patients aged <65 yr who underwent bilateral intrafascial nerve-sparing surgery, 40.4% of those in group 1 versus 40% of those in group 2 reached their first intercourse within 1 mo; at 1 yr of follow-up, these figures had increased to 81% versus 71%, respectively (p=0.162). The main limitation of this study is its noncontrolled nature. CONCLUSIONS We demonstrated Retzius-sparing RARP to be oncologically safe and to result in high early continence and potency rates. Long-term, prospective, comparative, and possibly randomized studies are needed.

A New Anatomic Approach for Robot-Assisted Laparoscopic Prostatectomy: A Feasibility Study for Completely Intrafascial Surgery

Robot-assisted laparoscopic prostatectomy (RALP) has been disseminated widely, changing the knowledge of surgical anatomy of the prostate. The aim of our study is to demonstrate the feasibility of a new, purely intrafascial approach. The Bocciardi approach for RALP passes through the Douglas space, following a completely intrafascial plane without any dissection of the anterior compartment, which contains neurovascular bundles, Aphrodites veil, endopelvic fascia, the Santorini plexus, pubourethral ligaments, and all of the structures thought to play a role in maintenance of continence and potency. In this case series, we present our first five patients undergoing the Bocciardi approach for RALP. We report the results of our technique in three patients following two unsuccessful attempts. No perioperative major complication was recorded. Pathologic stage was pT2c in two patients and pT2a in one patient, with no positive surgical margin. The day after removing the catheter, two of the three patients reported use of a single, small safety pad, and one patient was discharged without any pad. One patient reported an erection the day after removing the catheter. The anatomic rationale for better results compared with traditional RALP is strong, but well-designed studies are needed to evaluate the advantages of our technique.

Renal Sinus Fat Invasion in pT3a Clear Cell Renal Cell Carcinoma Affects Outcomes of Patients Without Nodal Involvement or Distant Metastases

PURPOSE According to the 2002 American Joint Committee on Cancer TNM classification, perinephric and renal sinus fat invasion are classified as pT3a renal cell carcinoma. However, only a few studies have assessed the impact of sinus fat invasion on patient survival and with controversial results. We analyzed the impact of sinus fat invasion on cancer specific survival in a cohort of patients with pT3a clear cell renal cell carcinoma. MATERIALS AND METHODS We retrospectively analyzed data on 115 consecutive patients treated with open radical nephrectomy for unilateral, sporadic pT3a clear cell renal cell carcinoma at our department from 1989 to 2006. All pathological specimens were rereviewed by a single uropathologist. The prognostic role of sinus fat invasion in cancer specific survival was assessed by Cox proportional hazards regression models. RESULTS Ten patients had direct ipsilateral adrenal invasion and were excluded from analysis. A total of 105 patients with clear cell renal cell carcinoma were evaluated. Median followup was 38 months. In the overall population sinus fat invasion did not reach independent predictive status in terms of cancer specific survival on multivariate Cox regression analysis after adjusting for age, performance status, tumor dimension, tumor grade, synchronous metastases, nodal involvement, sarcomatoid differentiation and coagulative necrosis. In the subset of patients with pNx/pN0 M0 (83) the actuarial 5-year cancer specific survival was 71.9% and 45.5% for those with perinephric fat invasion only and sinus fat invasion, respectively (p = 0.025). Sinus fat invasion achieved an independent predictive role on multivariable Cox regression analysis (p = 0.048, HR 2.06). CONCLUSIONS Sinus fat invasion in clear cell renal cell carcinoma significantly affects cancer specific survival in patients without nodal or distant metastases. However, sinus fat invasion is not associated with worse cancer specific survival in cases of metastatic disease.

Impact of Venous Tumour Thrombus Consistency (Solid vs Friable) on Cancer-specific Survival in Patients with Renal Cell Carcinoma

BACKGROUND To our knowledge, the impact of venous tumour thrombus (VTT) consistency in patients affected by renal cell carcinoma (RCC) has never been addressed. OBJECTIVE To analyse the effect of VTT consistency on cancer-specific survival (CSS). DESIGN, SETTING, AND PARTICIPANTS We retrospectively analysed 174 consecutive patients with RCC and renal vein or inferior vena cava (IVC) VTT who underwent surgical treatment between 1989 and 2007 at our institute. INTERVENTION All patients underwent radical nephrectomy and thrombectomy. MEASUREMENTS Pathologic specimens were reviewed by a single uropathologist. In addition to traditional pathologic features, the morphologic aspect of the tumour thrombus was evaluated to distinguish solid from friable patterns. The prognostic role of thrombus consistency (solid vs friable) on CSS was assessed by means of Cox regression models. RESULTS AND LIMITATIONS The VTT was solid in 107 patients (61.5%) and friable in 67 patients (38.5%). The presence of a friable VTT increased the risk of having synchronous nodal or distant metastases, higher tumour grade, higher pathologic stage, and simultaneous perinephric fat invasion (all p < 0.05). The median follow-up was 24 mo. The median CSS was 33 mo; the median CSS was 8 mo in patients with a friable VTT and 55 mo in patients with a solid VTT (p < 0.001). On multivariable analyses, the presence of a friable VTT was an independent predictor of CSS (p = 0.02). The power of our conclusion may be somewhat limited by the relatively small study population and the retrospective nature of the study. CONCLUSIONS In patients with RCC and VTT, the presence of a friable thrombus is an independent predictor of CSS. If our finding is confirmed by further studies, the consistency of the tumour thrombus should be introduced into routine pathologic reports to provide better patient risk stratification.

The extent of tumour fat invasion affects survival in patients with renal cell carcinoma and venous tumour thrombosis

Study Type – Prognosis (case series)

Radical Nephrocapsulectomy and Caval Thrombectomy with Extracorporeal Circulation and Deep Hypothermic Circulatory Arrest in Right Anterior Minithoracotomy: A Minimally Invasive Approach

OBJECTIVES Radical nephrocapsulectomy and cavoatrial thrombectomy with median sternotomy and abdominal access, using extracorporeal circulation (ECC) and deep hypothermic circulatory arrest (DHCA), has become the gold standard treatment for renal cell carcinoma (RCC) with neoplastic thrombosis of the suprahepatic and intrapericardial inferior vena cava (IVC) and right atrium (RA). Any modification of surgical techniques should be compared with this therapeutic strategy. METHODS In our quest to identify a minimally invasive approach and to apply available technology to ensure patient safety, even in cases of RCC with suprahepatic IVC and RA thrombosis, we identified a therapeutic approach that foresees en bloc radical nephrocapsulectomy, with ECC and DHCA in right anterior minithoracotomy. Furthermore, to make surgery even safer, we made some modifications and used auxiliary maneuvers. We present the case of a 39-year-old man with a neoplasm that involved the right kidney and suprahepatic IVC thrombosis, undergoing radical nephrocapsulectomy and thrombectomy with ECC and DHCA in right anterior minithoracotomy. CONCLUSIONS Radical nephrocapsulectomy and thrombectomy of the suprahepatic and intrapericardial IVC and/or of the RA with ECC and DHCA in right anterior minithoracotomy for RCC is a valid minimally invasive alternative to standard surgical techniques. Compared with standard median sternotomy access, right anterior minithoracotomy allows a more rapid functional recovery, a reduction in risk of infection of the wound, and a reduction in pain during postoperative convalescence, and has considerable esthetic advantages, without limiting surgical therapeutic chances, regardless of the cranial extension of the thrombus.

Pregnant Woman Presenting with a Gross Retroperitoneal Mass: Surgical Treatment with Caval Replacement

A 40-year-old woman in the twenty-fifth week of pregnancy presented with a gross retroperitoneal mass. At the end of the pregnancy, the patient was submitted to surgery, and the gross infiltration of the inferior vena cava wall required the resection of the vena cava with its prosthetic substitution. The histopathological examination demonstrated the presence of a leiomyosarcoma of the inferior vena cava. An electronic video supplement showing the most important intraoperative passages is available online at doi:10.1016/j.eururo.2008.06.074.

Radical Prostatectomy Through the Posterior Technique

The Retzius-sparing approach for Robot-assisted laparoscopic radical prostatectomy (RARP) was born in 2010 at Niguarda Hospital in Milan from an original idea of Aldo Bocciardi. Since then, more than 1200 cases have been operated at Niguarda, and several hundreds in many centers throughout the world.

Retzius-Sparing Approach for Robot-Assisted Laparoscopic Radical Prostatectomy

Robot-assisted laparoscopic radical prostatectomy (RARP) is currently the standard surgical treatment for localized prostate cancer. Since 2010, Dr. Aldo Bocciardi has developed a new anatomical approach through the rectovesical pouch at Niguarda Hospital in Milan.

PD04-05 RADICAL NEPHRECTOMY AND CAVO-ATRIAL THROMBECTOMY ON NORMOTHERMIC CARDIOPULMONARY BY-PASS AND BEATING HEART: OUR EXPERIENCE

period of 75.1 months. CSS at 1 and 2 years resulted 58% and 40% vs. 56% and 28% vs. 37% and 30% for patients with 1, 2 or 3 areas affected by nodal disease (p1⁄40.5), respectively. At MVA, the number of nodal stations involved by disease did not affect CSS (all p>0.5). Conversely, the presence of nodal disease in the interaortocaval area resulted an independent predictor of CSS (Hazard Ratio 1.8, p1⁄40.05). CONCLUSIONS: When ccRCC patients harbour nodal disease, its spreading is not systematic and can occur at any nodal station without involving the others. However, the number of anatomical areas involved by nodal invasion does not affect CSS. Conversely, presence of interaortocaval positive lymph nodes is an independent predictor of CSS in RCC patients.