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PubMed2003

Radical prostatectomy for locally advanced primary or recurrent rectal cancer.

AIM: Three papers including five patients have described en bloc radical prostatectomy for locally advanced rectal cancer. METHODS: Six patients (median age 63 years) underwent en bloc radical prostatectomy for locally advanced (3) or recurrent (3) rectal cancer involving the prostate. Quality of life questionnaires were answered postoperatively and the data prospectively entered in a database. RESULTS: One primary case had low anterior resection (LAR), the others abdominoperineal resections (APR) of R0 stage. Two recurrent cases had APRs and one tumour resection-all R1 stage. Anastomotic leakage led to construction of an ileal conduit in one patient and in two healed on conservative treatment. Follow up was 10-50 months. One patient died from distant metastases at 29 months postoperatively, one was operated for a single lung metastasis and one has disseminated lung metastases. None has developed local recurrence. Four of the five with anastomoses had good quality of life and none wanted an ileal conduit. CONCLUSION: In spite of a relatively high urinary leak rate the total complication rate seems to be lower than after pelvic exenteration. En bloc radical prostatectomy seems an option in selected patients otherwise needing pelvic exenteration for locally advanced or recurrent rectal cancer.

Aged↗
PubMed2002

Laparoscopic radical prostatectomy: assessment after 550 procedures.

PURPOSE: To evaluate our experience in laparoscopic radical prostatectomy. MATERIALS AND METHODS: Between January 1998 and December 2000, 550 consecutive patients eligible for radical prostatectomy, were operated laparoscopically. Data concerning surgery and post-operative course were assessed and recorded. Oncological data were assessed by pathological examination and post-operative PSA level. Functional results were assessed with a self-questionnaire. RESULTS: The mean operating time was 170 min for the last 350 patients. Surgical conversion was necessary in seven patients (1.3%). Mean intra-operative bleeding was 290 ml (range: 50-1500 ml) for the last 350 patients. The overall transfusion rate was 5.27%. Mean bladder catheterization time was 4.2 days and median postoperative stay was 5 days in the last 350 patients. By pathological stage, 4 pT2a specimens (3.3%), 48 pT2b specimens (15%), 21 pT3a specimens (33%), 19 pT3b specimens (47%) were found to have positive surgical margins. For pT2a and pT2b stages, non-biological recurrence probability (PSA<0.1 ng/ml) is, respectively, 92.3% at 36 months, and 86.3% at 31 months. The continence rate (no pad) was 82.3% at 12 months among the 255 first patients. For 47 consecutive selected patients, spontaneous erection rate was 85 and 66% experienced spontaneous intercourse. CONCLUSIONS: Laparoscopic radical prostatectomy is currently feasible, with low perioperative morbidity. Taking into account the postoperative follow-up, oncological results are identical to those obtained with conventional surgery. The functional results are encouraging.

Humans↗
PubMedDate not supplied

Sural nerve graft during laparoscopic radical prostatectomy. Initial experience.

OBJECTIVE: To determine the technical feasibility of sural nerve grafting for restoration of cavernous nerve continuity after radical retropubic prostatectomy by the laparoscopic approach. MATERIALS AND METHODS: 15 potent men (mean age: 56+/-4 years) underwent laparoscopic radical prostatectomy with deliberate wide uni- or bilateral neurovascular bundle resection. After prostatectomy, but before the vesicourethral anastomosis, an autologous sural nerve graft was interposed between the divided end of the cavernous nerves using a laparoscopic approach. RESULTS: All 15 procedures could be completed laparoscopically. Visual cooptation between the nerve graft and the cut ends of the neurovascular bundles was possible in all 15 cases. Surgical time for the entire procedure ranged between 210 to 275 min with 30 to 60 min of this time required for the nerve harvest and graft. CONCLUSION: This experience demonstrates that sural nerve graft replacement is technically feasible by the laparoscopic approach. The magnified optics, bloodless surgical field, and improved instrumentation create an optimal environment for sural nerve grafting to the cut ends of the neurovascular bundles. Quality of life survey data at 12 to 18 month follow-up will be needed to assess functional return.

Feasibility Studies↗
PubMedDate not supplied

Expression of inducible nitric oxide synthase in paired neoplastic and non-neoplastic primary prostate cell cultures and prostatectomy specimen.

Nitric oxide (NO) is an important signaling molecule for ischemia, inflammation, angiogenesis, immune response, and cell growth and differentiation. It has recently been shown that increased production of NO within various human cancers may contribute to tumor angiogenesis, tumor growth and metastasis, and tumor-related immune suppression. NO can be produced by several NO synthases (NOS), including inducible synthase (iNOS), which is expressed during cell activation and produces NO in larger quantity and for a longer period of time than non-inducible NOSs. In this study, we examined the expression levels of iNOS mRNA and protein in prostate adenocarcinoma using a paired nonneoplastic and neoplastic primary prostate cell culture system and related prostatectomy specimens. Six pairs of neoplastic and nonneoplastic primary prostate cell cultures were established from radical prostatectomy specimens based on homogeneity of the originating tumor and the nonneoplastic tissue. Radioactive reverse transcriptase polymerase chain reaction and subsequent quantitative analysis of iNOS mRNA were performed on the cultures using beta-actin as an internal control. Immunohistochemical studies with an anti-iNOS monoclonal antibody were performed on the corresponding formalin-fixed paraffin-embedded prostatectomy tissue sections. We observed marked patient-to-patient variation in "normal" levels of iNOS mRNA. However, all six neoplastic cultures showed moderately to markedly higher mRNA levels than did their paired nonneoplastic cultures. In addition, iNOS protein levels were significantly higher in paraffin-embedded prostate cancer tissue sections than in adjacent nonneoplastic tissue. Overexpression of iNOS mRNA and protein levels is present in moderately differentiated prostate adenocarcinoma and may contribute to prostate cancer angiogenesis, tumor growth, and tumor-related immunosuppression.

Adenocarcinoma↗
PubMed2006

Intravenous magnesium sulphate decreases postoperative tramadol requirement after radical prostatectomy.

BACKGROUND: The purpose of this study was to assess whether the addition of intravenous magnesium sulphate (Mg) at the induction of anaesthesia to a balanced anaesthetic protocol including wound infiltration, paracetamol and tramadol resulted in improved analgesic efficiency after radical prostatectomy. METHODS: We conducted a randomized, double-blind, controlled study. Thirty ASA I or II males scheduled to undergo radical retropubic prostatectomy with general anaesthesia were prospectively assigned to one of the two groups (n = 15 each). The Mg group (Gr Mg) received 50 mg kg-1 of MgSO4 in 100 mL of isotonic saline over 20 min immediately after induction of anaesthesia and before skin incision. The patients in the control group (Gr C) received the same volume of saline over the same period. At the time of abdominal closure, wound infiltration with 190 mg (40 mL) of ropivacaine was performed in both groups. Pain was assessed by a 10-point visual analogue scale in the recovery room starting from the time of tracheal extubation. Standardized postoperative analgesia included paracetamol and tramadol administered via a patient-controlled analgesia device. RESULTS: In the postoperative period, both groups experienced an identical pain course evolution. Cumulative mean tramadol dose after 24 h was 226 mg in the magnesium group and 446 mg in the control group (P < 0.001). Postoperative nausea occurred in two patients in each group. Two vs. eight patients required analgesic rescue in magnesium and control groups, respectively (P = 0.053). CONCLUSIONS: This study shows that intravenous magnesium sulphate reduces tramadol consumption when used as a postoperative analgesic protocol in radical prostatectomy.

Acetaminophen↗
PubMed1999

Influence of preoperative vesicle biopsy on the decision for radical prostatectomy.

PURPOSE: The presence of seminal vesicle invasion (SVI) by prostate cancer is difficult to detect clinically and is associated with poor prognosis. The aim of our study was to identify the efficacy of transrectal ultrasound-guided seminal vesicle biopsies in the detection of seminal vesicle invasion (SVI) in patients with prostate cancer. MATERIALS AND METHODS: One hundred transrectal ultrasound-guided seminal vesicle biopsies were performed in 50 patients with clinically localized prostate cancer. Every patient underwent two biopsies, one for each seminal vesicle. Radical retropubic prostatectomy was performed in all cases and the specimens with the attached seminal vesicles were examined for the presence of prostate cancer invasion. RESULTS: Of a total of 100 seminal vesical biopsies 87 were identified as seminal vesicle by characteristic epithelium. Cancer was found in 7 (8%) biopsies, confirmed in all cases by pathology in the surgical specimen. Eighty biopsies (40 patients) were normal. Pathological analysis of these 40 radical prostatectomy specimens revealed that 6 seminal vesicles (5 patients) were invaded by prostate cancer (6 false negative biopsies, 7.5%). Transrectal ultrasound images of 15 seminal vesicles were suspicious for invasion while 85 were normal. Of the 15 suspicious cases 11 were invaded by cancer (73.3%). Of the sonographically benign seminal vesicles 5 (5.88%) were invaded by cancer. Our data were analyzed by the ARCUS PRO-STAT statistical package. CONCLUSIONS: We suggest that transrectal ultrasound-guided seminal vesicle biopsy is useful and reliable for a more exact preoperative staging of prostate cancer, therefore helpful in correct decision making for radical prostatectomy.

Aged↗
PubMed2006

[Radical prostatectomy in the treatment of organ confined prostate cancer].

Open radical prostatectomy represents one possible therapeutic option for treating patients with clinically localized prostate cancer Patient selection and the surgical management have undergone important changes during the last years, resulting in lower morbidity and probably in a better tumor control due to a better standardisation of the surgical technique. Long-term functional outcome regarding continence and potency are of increasing importance and influence mainly the quality of life in these patients. Open radical retropubic prostatectomy remains the gold standard in patients with localized prostate cancer, due to its low morbidity and excellent oncological and functional results. The value of laparoscopic and robotic radical prostatectomy is still discussed controversially. Due to the relative high morbidity during the so-called learning curve and the lack of long-term oncological and functional results, these techniques seem to show less favourable results.

Humans↗
PubMed2006

Prostate cancer detected by uPM3: radical prostatectomy findings.

uPM3 is the first urine-based genetic test that is highly specific for detecting prostate cancer. The histopathologic characteristics of uPM3-detected cancer in radical prostatectomy specimens have not been previously described. We evaluated a consecutive series of radical prostatectomies to determine the extent, zonal distribution and other features of prostate cancer following uPM3 detection. A total of 24 whole-mounted, totally embedded radical prostatectomy specimens were evaluated. All patients had clinically localized cancer and none received preoperative therapy. Zonal location of cancer, distance to the urethra, cancer volume, Gleason grade and multicentricity were recorded; volume of cancer was measured using the grid-counting method. Patients ranged in age from 43 to 75 years (mean 65 years). In 21/24 cases, cancer involved the transition and peripheral zones and was multicentric (87%). Mean cancer volume was 3.96 cm3 (range 0.08-16.86 cm3). Mean distance to the urethra was 0.50 cm for the closest cancer and 0.61 cm for the most distant cancer. Mean Gleason score was 7 (range 5-9); pathologic stage was pT2 for 17 cases and pT3 for seven cases. The uPM3 is an independent and specific biomarker that detects prostate cancers of similar volume, location, extent and grade as other tests for early detection. uPM3 does not preferentially identify large or aggressive prostate cancers.

Adult↗
PubMed2000

Medical and surgical advances in the radical prostatectomy patient.

Maintaining the quality of life after surgery in the radical prostatectomy patient is of paramount importance. One of the major dilemmas in surgical management of radical retropubic prostatectomy (RRP) is preservation of the neurovascular bundle and, hence, erectile function and the continence mechanism. This manuscript addresses anatomical considerations for the surgeon and discusses the following issues with regard to medical and surgical therapies: (1) incidence of erectile dysfunction solely due to complications during RRP; (2) nerve damage during RRP; (3) vascular damage during RRP; (4) current medical and surgical therapies for restoring or maintaining potency; and (5) new advances on the horizon for management of the prostatectomy patient. International Journal of Impotence Research (2000) 12, Suppl 4, S47-S52.

Blood Vessels↗
PubMed2002

Complete embedding and close step-sectioning of radical prostatectomy specimens both increase detection of extra-prostatic extension, and correlate with increased disease-free survival by stage of prostate cancer patients.

The objectives of this work were to evaluate the efficacy of controlled close step-sectioned and whole-mounted radical prostatectomy specimen processing in prediction of clinical outcome as compared to the traditional processing techniques. Two-hundred and forty nine radical prostatectomy (RP) specimens were whole-mounted and close step-sectioned at caliper-measured 2.2-2.3 mm intervals. A group of 682 radical prostatectomy specimens were partially sampled as control. The RPs were performed during 1993-1999 with a mean follow-up of 29.3 months, pretreatment PSA of 0.1-40, and biopsy Gleason sums of 5-8. Disease-free survival based on biochemical or clinical recurrence and secondary intervention were computed using a Kaplan-Meier analysis. There were no significant differences in age at diagnosis, age at surgery, PSA at diagnosis, or biopsy Gleason between the two groups (P<0.05). Compared with the non-close step-sectioned group, the close step-sectioned group showed higher detection rates of extra-prostatic extension (215 (34.1%) vs, 128 (55.4%), P<0.01), and seminal vesicle invasion (50 (7.6%) vs 35 (14.7%), P<0.01). The close step-sectioned group correlated with greater 3-y disease-free survival in organ-confined (P<0.01) and specimen-confined (P<0.01) cases, over the non-uniform group. The close step-sectioned group showed significantly higher disease-free survival for cases with seminal vesicle invasion (P=0.046). No significant difference in disease-free survival was found for the positive margin group (P=0.39) between the close step-sectioned and non-uniform groups. The close step-sectioned technique correlates with increased disease-free survival rates for organ and specimen confined cases, possibly due to higher detection rates of extra-prostatic extension and seminal vesicle invasion. Close step-sectioning provides better assurance of organ-confined disease, resulting in enhanced prediction of outcome by pathological (TNM) stage.

Adult↗
PubMed2004

Laparoscopic radical prostatectomy a review of the literature and comparison with open techniques.

BACKGROUND: The development of laparoscopic radical prostatectomy (LRP) has been one of the surgical advances in the treatment of localized prostate cancer. The procedure aims to combine the advantages of minimal access surgery with resection based on established oncological principles with cure rates and functional results that are at least comparable to open radical prostatectomy (ORP). OBJECTIVES: This review compares the advantages and disadvantages of the LRP to the ORP with regard to the real benefits to the patient. The impact on the urological practice was also addressed by the review. METHODS: A comprehensive literature review of the published series/cases of both open and laparoscopic radical prostatectomy was performed. RESULTS: LRP is a feasible and reproducible procedure for the treatment of localized prostate cancer. Although its technique is standardized, LRP is technically demanding and it takes longer time than ORP. CONCLUSION: The current published results of LRP show no advantages over that of the ORP. If long-term data shows better results in terms of functional and oncological outcomes, LRP may challenge or even replace the standard ORP in the treatment of localized prostate cancer.

Humans↗
PubMed2006

Allelic imbalance and biochemical outcome after radical prostatectomy.

OBJECTIVE: To compare the incidence of allelic imbalance (AI) in men with rapid disease progression with those who remained disease free after radical prostatectomy, with the aim of identifying genetic markers to predict prognosis and guide further treatment. PATIENTS AND METHODS: Tumour and normal DNA were extracted from two matched groups of 31 men with extracapsular node-negative (pT3N0) prostate cancer who had undergone radical prostatectomy. One group comprised men who developed biochemical recurrence within 2 years of surgery and one group were prostate-specific antigen (PSA) free for at least 3 years. Men were matched for Gleason grade, preoperative PSA and pathological stage. Analysis was performed by genotyping. RESULTS: Allelic imbalance was analysed using 30 markers, and was seen in at least one marker in 57 (92%) of the cases. Deletion at marker D10S211 (10p12.1) was significantly more common in the relapse group than the non-relapse group (35 vs 5%, P=0.03). CONCLUSIONS: This study demonstrates significant association between AI on chromosome 10 and biochemical progression after radical prostatectomy.

Adult↗
PubMed1999

The early post-operative concerns of men after radical prostatectomy.

The aim of this study was to explore the concerns of men with urinary incontinence in the early weeks of recovery after radical prostatectomy for early stage prostate cancer. As part of a larger study evaluating effectiveness of intensive physiotherapy for post prostatectomy incontinence, semistructured interviews were conducted at study entry. Sixty-three men approximately 8 weeks post-surgery participated. The descriptive data were analysed for themes. Pre-operative concerns focused on dealing with the diagnosis of prostate cancer, information gathering and decision-making. Post-operatively, a frequently repeated concern was lack of knowledge about the post-surgery recovery period. Specifically, men stated they did not process much of the detailed pre-operative teaching provided by the urologists and the nurses because of the overwhelming nature of the diagnosis. As a result, at discharge, they revealed many knowledge gaps about catheter care, post-operative pain, incontinence and erectile dysfunction. Participants also perceived a lack of health care professional support. These information deficits severely affected quality of life and healthy post-operative rehabilitation. The results of the informal interviews provide a deeper understanding of the post-operative recovery experience and suggest some strategies for improving the early weeks of recovery after radical prostatectomy including telephone follow-up, additional written information and on-going support.

Aged↗
PubMed2002

Quantitative evaluation of prostatectomy for benign prostatic hypertrophy under a national health insurance law: a multi-centre study.

Assessing regional variation between various medical centres in diagnostic and surgical processes is an approach aimed at evaluating the quality of care. This study analyses the differences between eight medical centres in Israel, where all citizens are covered by medical insurance, through the National Health Insurance Law (NHIL). The analysis refers to the diagnostic process, type of surgery and immediate post-surgical complications associated with prostatectomy for benign prostatic hypertrophy (BPH), which is the most frequent surgical procedure performed on men aged 50+. The study sample was comprised of 261 consecutive prostatectomy patients operated on in eight Israeli medical centres (MC), located in various parts of the country, between November 1996 and April 1997. Co-operation with participating directors of surgical wards was obtained after confidentiality of information had been assured. Surgeons in selected departments abstracted data routinely recorded in the patient's file and filled-out a standard one-page questionnaire. The following items were included: age, the presence of accompanying chronic diseases, preoperative tests, type of operation, and post-surgical complications. In the various MCs 32.6% of the patients underwent more than five preoperative tests ranging from 8.9% to 88.9% (<0.01). Assessment of kidney and bladder normality ranged from 75% to 100% (P < 0.01). The rate of patients whose prostatic symptoms (I-PSS) were assessed ranged from 0% to 79% (P < 0.01). There were also differences in severity of prostatism between the MCs, with severe symptoms ranging from 54.0% to 89.3% (P < 0.05), for type of operation performed (for 'open' prostatectomies, 35.4% to 68.0%, P < 0.01) and post-operative complications (19.0% to 41.6%, P = 0.07). After controlling for case-mix, type of operation was the most important predictor for post-surgical complications. MCs with low volume of surgeries had a higher rate of postoperative complications. We conclude that diagnostic and type of operation and post-surgical complications differed between various MCs. Participating surgeons were willing to fill out a one-page standard questionnaire from data routinely recorded in patients' files.

Aged↗
PubMed1999

Early results of radical prostatectomy and adjuvant endocrine therapy for prostate cancer with or without preoperative androgen deprivation. The Prostate Cancer Study Group.

BACKGROUND: The effects of preoperative androgen deprivation were explored in the patients who received radical prostatectomy and subsequent adjuvant endocrine therapy for prostate cancer. METHODS: Stage A2, B or C prostate cancers were randomized to one of two groups: (i) group I (n=90), who received androgen deprivation (leuploride and chlormadinone acetate) for 3 months preoperatively followed by radical prostatectomy and adjuvant endocrine therapy (leuploride only); and (ii) group II (n=86), who underwent the surgery followed by 3 month androgen deprivation and subsequent adjuvant endocrine therapy. The effects of preoperative androgen deprivation on clinical relapse (serum prostate specific antigen (PSA) > 1.98 ng/mL, local recurrence or distant metastasis) and PSA relapse (PSA >0.2ng/mL) were evaluated at 2 years after randomization. RESULTS: There was no significant difference in clinical or PSA relapse-free survival and quality of life measures between the two groups, although relapses occurred significantly more frequently in patients who had more advanced stages, higher pretreatment PSA values or lower histologic differentiation in either group. Subgroup analysis indicated that clinical relapse-free survival in stage C cancer tended to be better in patients with preoperative androgen deprivation than in those patients without it (P< 0.1). CONCLUSIONS: Preoperative androgen deprivation may be beneficial for stage C prostate cancer patients receiving radical prostatectomy and adjuvant endocrine therapy over the 2 year observation period. A longer follow up is needed to clarify the exact extent of benefit in terms of survival and quality of life.

Aged↗
PubMed2001

Acute normovolemic hemodilution for radical prostatectomy: can it replace preoperative autologous blood transfusion?

BACKGROUND: Although preoperative autologous blood donation (PAD) is accepted as a standard of care for radical prostatectomy, it is costly, time-consuming and has risks associated with blood storage. Acute normovolemic hemodilution (ANH) is reported to be less expensive and to preserve blood components more effectively than PAD. In the present study, the efficacy and safety of these two autologous blood-collection techniques were compared. METHODS: The study included 16 consecutive patients scheduled for radical prostatectomy. The first eight patients underwent conventional preoperative autologous blood donation of 400 mL 1 week before the operation (PAD group) and the second eight patients underwent acute normovolemic hemodilution followed by immediate operation (ANH group). All blood collected was transfused in the perioperative period. Preoperative and postoperative hematocrit levels in these two groups were compared. RESULTS: There were no differences in preoperative hematocrit, time of operation or operative blood loss between the two groups. In the ANH group, 1080 +/- 160 mL of blood were collected. The postoperative hematocrit level did not differ significantly between the groups. No patient in either group received allogeneic blood transfusion or experienced an adverse event directly related to blood transfusion. CONCLUSION: The two blood-conservation strategies resulted in similar postoperative hematologic outcomes. Given its advantages, which include lower cost, lower risk and higher convenience, ANH is one of the procedures that may replace conventional PAD for use in radical prostatectomy.

Aged↗
PubMed2001

An anterior urethral stitch improves urinary incontinence following radical prostatectomy.

OBJECTIVE: To determine the effects of an anterior urethral stitch, referred to as an endopelvic anterior urethral stitch (EAUS), in reducing recovery time for post-prostatectomy urinary incontinence. METHODS: The urinary continence recovery time for 24 patients, who received a retropubic radical prostatectomy with the EAUS procedure, was compared to that of a historical control series of 22 patients without EAUS. The EAUS is a simple 2-0 polyglactin stitch placed between the bunched dorsal vein complex and the anterior urethra. This procedure was performed at the time of urethro-vesical anastomosis. Continence recovery time was defined as the day after removal of the urethral catheter when the patient no longer required pads for incontinence. RESULTS: A significantly shorter time for continence recovery (median 8.5 days) was obtained in EAUS patients compared with that of the control series (median 72 days) (P < 0.0001). Early recovery of continence was observed in 12/24 patients (50%) within 1 week and 18/24 patients (75%) within 1 month in EAUS patients. No adverse effects or complications were observed in the EAUS patients. CONCLUSION: A surgical procedure, the EAUS, has been developed that reduces urinary incontinence in patients who have undergone a radical prostatectomy. This procedure is simple and quick and improves recovery of continence without any side-effects.

Aged↗
PubMed2001

Recovery of sexual function after nerve-sparing radical prostatectomy or cystectomy.

BACKGROUND: The recovery of sexual function (erectile function and frequency of sexual intercourse) over time after nerve-sparing radical prostatectomy or cystoprostatectomy was evaluated. METHODS: Forty-nine consecutive patients with clinically localized prostate cancer and muscle-invasive bladder cancer were treated with radical prostatectomy and radical cystoprostatectomy with a nerve-sparing procedure. Erectile function was evaluated by the circumferential change of the penis during nocturnal penile tumescence (NPT value) with an erectometer before and after surgery. Erectile function and the frequency of sexual intercourse were also evaluated with a self-administered questionnaire before and after surgery. Multivariate analysis by Cox's proportional hazards model was used to evaluate the factor(s) that affected the recovery of erectile function and sexual intercourse. RESULTS: The recovery rates of erectile function were 49% at 3 years and 79% at 5 years. For recovery of sexual intercourse the rates were 36% at 3 years and 57% at 5 years. Multivariate analysis revealed that the preoperative NPT value was the only independent factor which significantly affected the recovery of erectile function. The age at surgery was a significant factor for recovery of sexual intercourse. CONCLUSION: Nerve-sparing operations can often, but not always, provide preservation or recovery of erectile function for patients who receive radical prostatectomy or cystoprostatectomy. Recovery of erectile function depends upon the preoperative NPT value and recovery of sexual intercourse depends upon the age of the patient.

Adult↗