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1.
Urolithiasis ; 43(3): 243-8, 2015 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-25572954

RESUMEN

The objective of the study was to ascertain whether flexible ureteroscopy with holmium laser lithotripsy and/or extraction of stone fragments is as effective in obese patients as in non-obese patients. The patients were divided into four groups (group 1: normal weight = 79 procedures, group 2: overweight = 123 procedures, group 3: obese = 87 procedures, and group 4: morbidly obese = 20 procedures) according to BMI cohorts. Patient charts were retrospectively reviewed and relevant data collected. A total of 309 operations were included in the present study. The overall mean ± SD (range) age was 41 ± 12 years (18-82), BMI 29 ± 6 kg/m(2) (18-52), operative time 64 ± 29 min (20-200), hospital stay 25 ± 11 h (4-168), stone number 3 ± 2 (1-15), stone burden 21 ± 14 mm (4-98), and internal stenting time 26 ± 8 days (2-60). Mean stone size was 10 ± 6, 9 ± 5, 11 ± 8, and 11 ± 8 mm for groups 1 through 4, respectively. There were no differences among groups regarding patients and stone characteristics, and perioperative parameters including patient age, operative time, hospital stay, and complications. Overall SFRs were similar between groups (81, 87, 87.4, and 85%, respectively; χ(2)=3.304, p=0.770) as were the complication rates (12-16%). Our contemporary Retrograde Intrarenal Surgery (RIRS) series showed that operative times, hospital stays, ancillary equipment use (internal stent, basket, etc.), SFRs, and complication rates were independent of BMI. Therefore, RIRS can be performed as efficiently and efficaciously in obese patients as in non-obese patients.


Asunto(s)
Litotripsia por Láser/métodos , Obesidad Mórbida/complicaciones , Ureteroscopía/métodos , Urolitiasis/cirugía , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Índice de Masa Corporal , Femenino , Humanos , Láseres de Estado Sólido/uso terapéutico , Litotripsia por Láser/estadística & datos numéricos , Masculino , Persona de Mediana Edad , Estudios Retrospectivos , Ureteroscopía/estadística & datos numéricos , Urolitiasis/complicaciones , Adulto Joven
2.
Indian J Urol ; 30(3): 314-7, 2014 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-25097319

RESUMEN

Robot-assisted radical cystectomy (RARC) is an emerging operative alternative to open surgery for the management of invasive bladder cancer. Studies from single institutions provide limited data due to the small number of patients. In order to better understand the related outcomes, a world-wide consortium was established in 2006 of patients undergoing RARC, called the International Robotic Cystectomy Consortium (IRCC). Thus far, the IRCC has reported its findings on various areas of operative interest and continues to expand its capacity to include other operative modalities and transform it into the International Radical Cystectomy Consortium. This article summarizes the findings of the IRCC and highlights the future direction of the consortium.

3.
Adv Urol ; 2014: 314954, 2014.
Artículo en Inglés | MEDLINE | ID: mdl-25024702

RESUMEN

Purpose. To evaluate the safety and efficacy of RIRS for the treatment of multiple unilateral intrarenal stones smaller than 20 mm. Methods. Between March 2007 and April 2013, patients with multiple intrarenal stones smaller than 20 mm were treated with RIRS and evaluated retrospectively. Each patient was evaluated for stone number, stone burden (cumulative stone length), operative time, SFRs, and complications. Results. 173 intrarenal stones in 48 patients were included. Mean age, mean number of stones per patient, mean stone burden, and mean operative time were 40.2 ± 10.9 years (23-63), 3.6 ± 3.0 (2-18), 22.2 ± 8.4 mm (12-45), and 60.3 ± 22.0 minutes (30-130), respectively. The overall SFR was 91.7%. SFRs for patients with a stone burden less and greater than 20 mm were 100% (23/23) and 84% (21/25), respectively (χ (2) = 26.022, P < 0.001). Complications occurred in six (12.5%-6/48) patients, including urinary tract infection or high-grade fever >38.5°C in three cases, prolonged hematuria in two cases, and ureteral perforation in one case, all of whom were treated conservatively. No major complications occurred. Conclusions. RIRS is an effective treatment option in patients with multiple unilateral intrarenal stones especially when the total stone burden is less than 20 mm.

4.
Eur Urol ; 65(2): 340-7, 2014 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-24183419

RESUMEN

BACKGROUND: Intracorporeal urinary diversion (ICUD) has the potential benefits of a smaller incision, reduced pain, decreased bowel exposure, and reduced risk of fluid imbalance. OBJECTIVE: To compare the perioperative outcomes of patients undergoing extracorporeal urinary diversion (ECUD) and ICUD following robot-assisted radical cystectomy (RARC). DESIGN, SETTING, AND PARTICIPANTS: We reviewed the database of the International Robotic Cystectomy Consortium (IRCC) (18 international centers), with 935 patients who had undergone RARC and pelvic lymph node dissection (PLND) between 2003 and 2011. INTERVENTION: All patients within the IRCC underwent RARC and PLND as indicated. The urinary diversion was performed either intracorporeally or extracorporeally. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS: Demographic data, perioperative outcomes, and complications in patients undergoing ICUD or ECUD were compared. All patients had at least a 90-d follow-up. The Fisher exact test was used to summarize categorical variables and the Wilcoxon rank sum test or Kruskal-Wallis test for continuous variables. RESULTS AND LIMITATIONS: Of 935 patients who had RARC and PLND, 167 patients underwent ICUD (ileal conduit: 106; neobladder: 61), and 768 patients had an ECUD (ileal conduit: 570; neobladder: 198). Postoperative complications data were available for 817 patients, with a minimum follow-up of 90 d. There was no difference in age, gender, body mass index, American Society of Anesthesiologists grade, or rate of prior abdominal surgery between the groups. The operative time was equivalent (414 min), with the median hospital stay being marginally longer for the ICUD group (9 d vs 8 d, p=0.086). No difference in the reoperation rates at 30 d was noted between the groups. The 90-d complication rate was not significant between the two groups, but a trend favoring ICUD over ECUD was noted (41% vs 49%, p=0.05). Gastrointestinal complications were significantly lower in the ICUD group (p ≤ 0.001). Patients with ICUD were at a lower risk of experiencing a postoperative complication at 90 d (32%) (odds ratio: 0.68; 95% confidence interval, 0.50-0.94; p=0.02). Being a retrospective study was the main limitation. CONCLUSIONS: Robot-assisted ICUD can be accomplished safely, with comparable outcomes to open urinary diversion. In this cohort, patients undergoing ICUD had a relatively lower risk of complications.


Asunto(s)
Cistectomía/métodos , Robótica , Neoplasias de la Vejiga Urinaria/cirugía , Derivación Urinaria/métodos , Adulto , Anciano , Anciano de 80 o más Años , Cistectomía/efectos adversos , Europa (Continente) , Femenino , Humanos , Escisión del Ganglio Linfático , Masculino , Persona de Mediana Edad , Complicaciones Posoperatorias/etiología , República de Corea , Estudios Retrospectivos , Factores de Riesgo , Factores de Tiempo , Resultado del Tratamiento , Estados Unidos , Neoplasias de la Vejiga Urinaria/patología , Derivación Urinaria/efectos adversos
5.
BJU Int ; 114(1): 98-103, 2014 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-24219170

RESUMEN

OBJECTIVE: To characterise the surgical feasibility and outcomes of robot-assisted radical cystectomy (RARC) for pathological T4 bladder cancer. PATIENTS AND METHODS: Retrospective evaluation of a prospectively maintained International Radical Cystectomy Consortium database was conducted for 1118 patients who underwent RARC between 2003 and 2012. We dichotomised patients based on pathological stage (≤pT3 vs pT4) and evaluated demographic, operative and pathological variables in relation to morbidity and mortality. RESULTS: In all, 1000 ≤pT3 and 118 pT4 patients were evaluated. The pT4 patients were older than the ≤pT3 patients (P = 0.001). The median operating time and blood loss were 386 min and 350 mL vs 396 min and 350 mL for p T4 and ≤pT3, respectively. The complication rate was similar (54% vs 58%; P = 0.64) among ≤pT3 and pT4 patients, respectively. The overall 30- and 90-day mortality rate was 0.4% and 1.8% vs 4.2% and 8.5% for ≤pT3 vs pT4 patients (P < 0.001), respectively. The body mass index (BMI), American Society of Anesthesiology score, length of hospital stay (LOS) >10 days, and 90-day readmission were significantly associated with complications in pT4 patients. Meanwhile, BMI, LOS >10 days, grade 3-5 complications, 90-day readmission, smoking, previous abdominal surgery and neoadjuvant chemotherapy were significantly associated with mortality in pT4 patients. On multivariate analysis, BMI was an independent predictor of complications in pT4 patients, but not for mortality. CONCLUSIONS: RARC for pT4 bladder cancer is surgically feasible but entails significant morbidity and mortality. BMI was independent predictor of complications in pT4 patients.


Asunto(s)
Cistectomía/métodos , Robótica , Neoplasias de la Vejiga Urinaria/cirugía , Adulto , Anciano , Anciano de 80 o más Años , Cistectomía/efectos adversos , Femenino , Humanos , Masculino , Persona de Mediana Edad , Complicaciones Posoperatorias/etiología , Complicaciones Posoperatorias/mortalidad , Estudios Retrospectivos , Factores de Riesgo , Resultado del Tratamiento , Neoplasias de la Vejiga Urinaria/mortalidad
6.
Urology ; 82(4): 948-54, 2013 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-23910560

RESUMEN

OBJECTIVE: To compare interfascial (IEF) or intrafascial (IAF) periprostatic nerve dissection technique in prostate tissue using immunohistochemical methods in fresh cadavers. MATERIALS AND METHODS: Prostate tissues of 25 fresh cadavers were removed from rectum and other surrounding structures. IEF nerve dissection (n = 25) was performed on the right and IAF nerve (n = 25) dissection on the left side of each prostate under direct visualization. The base, center, and apex of each prostate lobes and fascia dissected were sampled for blind histopathologic evaluation. Total counts of nerve, artery, and vein were performed on hematoxylin and eosin stained sections, whereas sympathetic and parasympathetic nerve counts were performed on immunohistochemical stained sections. Iatrogenic surgical margin injury at base, center, and apex detected were compared between groups. RESULTS: Thickness of neurovascular bundle dissected in IAF was found significantly higher than IEF technique. The number of residual sympathetic fibers after dissection of neurovascular bundle was found significantly higher in IAF group. There were significant decreases in total nerve, parasympathetic, and sympathetic nerve counts only at the central region of prostate in IAF group. A significant decrease was found in the number of residual vein left in the fascia only at the apex by IAF dissection. Of surgical margin injury results, no significant difference was detected between IAF and IEF groups at any location. CONCLUSION: IAF provides better preservation of sympathetic but not parasympathetic fibers without increasing surgical injury of prostate capsule.


Asunto(s)
Próstata/irrigación sanguínea , Próstata/inervación , Prostatectomía/métodos , Anciano , Anciano de 80 o más Años , Cadáver , Fascia , Humanos , Masculino , Persona de Mediana Edad , Tratamientos Conservadores del Órgano
7.
BJU Int ; 111(7): 1075-80, 2013 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-23442001

RESUMEN

UNLABELLED: WHAT'S KNOWN ON THE SUBJECT? AND WHAT DOES THE STUDY ADD?: Lymph node dissection and it's extend during robot-assisted radical cystectomy varies based on surgeon related factors. This study reports outcomes of robot-assisted extended lymphadenectomy based on surgeon experience in both academic and private practice settings. OBJECTIVE: To evaluate the incidence of, and predictors for, extended lymph node dissection (LND) in patients undergoing robot-assisted radical cystectomy (RARC) for bladder cancer, as extended LND is critical for the treatment of bladder cancer but the role of minimally invasive surgery for extended LND has not been well-defined in a multi-institutional setting. PATIENTS AND METHODS: Used the International Robotic Cystectomy Consortium (IRCC) database. In all, 765 patients who underwent RARC at 17 institutions from 2003 to 2010 were evaluated for receipt of extended LND. Patients were stratified by age, sex, clinical stage, institutional volume, sequential case number, and surgeon volume. Logistic regression analyses were used to correlate variables to the likelihood of undergoing extended LND. RESULTS: In all, 445 (58%) patients underwent extended LND. Among all patients, a median (range) of 18 (0-74) LNs were examined. High-volume institutions (≥100 cases) had a higher mean LN yield (23 vs 15, P < 0.001). On univariable analysis, surgeon volume, institutional volume, and sequential case number were associated with likelihood of undergoing extended LND. On multivariable analysis, surgeon volume [odds ratio (OR) 3.46, 95% confidence interval (CI) 2.37-5.06, P < 0.001] and institution volume [OR 2.65, 95% CI 1.47-4.78, P = 0.001) were associated with undergoing extended LND. CONCLUSIONS: Robot-assisted LND can achieve similar LN yields to those of open LND after RC. High-volume surgeons are more likely to perform extended LND, reflecting a correlation between their growing experience and increased comfort with advanced vascular dissection.


Asunto(s)
Cistectomía/métodos , Escisión del Ganglio Linfático/métodos , Escisión del Ganglio Linfático/estadística & datos numéricos , Médicos/estadística & datos numéricos , Robótica , Neoplasias de la Vejiga Urinaria/cirugía , Adulto , Anciano , Anciano de 80 o más Años , Cistectomía/estadística & datos numéricos , Femenino , Hospitales de Alto Volumen/estadística & datos numéricos , Hospitales de Bajo Volumen/estadística & datos numéricos , Humanos , Modelos Logísticos , Ganglios Linfáticos/patología , Ganglios Linfáticos/cirugía , Masculino , Persona de Mediana Edad , Guías de Práctica Clínica como Asunto , Pronóstico , Estudios Retrospectivos , Resultado del Tratamiento
8.
Eur Urol ; 64(1): 52-7, 2013 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-23380164

RESUMEN

BACKGROUND: Complication reporting is highly variable and nonstandardized. Therefore, it is imperative to determine the surgical outcomes of major oncologic procedures. OBJECTIVE: To describe the complications after robot-assisted radical cystectomy (RARC) using a standardized and validated reporting methodology. DESIGN, SETTING, AND PARTICIPANTS: Using the International Robotic Cystectomy Consortium (IRCC) database, we identified 939 patients who underwent RARC, had available complication data, and had at least 90 d of follow-up. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS: Complications were analyzed and graded according to the Memorial Sloan-Kettering Cancer Center (MSKCC) system and were defined and stratified by organ system. Secondary outcomes included identification of preoperative and intraoperative variables predicting complications. Logistic regression models were used to define predictors of complications and readmission. RESULTS AND LIMITATIONS: Forty-one percent (n=387) and 48% (n=448) of patients experienced a complication within 30 and 90 d of surgery, respectively. The highest grade of complication was grade 0 in 52%, grade 1-2 in 29%, and grade 3-5 in 19% patients. Gastrointestinal, infectious, and genitourinary complications were most common (27%, 23%, and 17%, respectively). On multivariable analysis, increasing age group, neoadjuvant chemotherapy, and receipt of blood transfusion were independent predictors of any and high-grade complications, respectively. Thirty and 90-d mortality was 1.3% and 4.2%, respectively. As a multi-institutional database, a disparity in patient selection, operating standards, postoperative management, and reporting of complications can be considered a major limitation of the study. CONCLUSIONS: Surgical morbidity after RARC is significant when reported using a standardized reporting methodology. The majority of complications are low grade. Strict reporting of complications is necessary to advocate for radical cystectomy (RC) and helps in patient counseling.


Asunto(s)
Cistectomía/efectos adversos , Complicaciones Posoperatorias/etiología , Robótica , Cirugía Asistida por Computador/efectos adversos , Neoplasias de la Vejiga Urinaria/cirugía , Adulto , Anciano , Anciano de 80 o más Años , Asia , Cistectomía/métodos , Cistectomía/mortalidad , Europa (Continente) , Femenino , Humanos , Modelos Logísticos , Masculino , Persona de Mediana Edad , Análisis Multivariante , Oportunidad Relativa , Readmisión del Paciente , Complicaciones Posoperatorias/diagnóstico , Complicaciones Posoperatorias/mortalidad , Complicaciones Posoperatorias/terapia , Proyectos de Investigación/normas , Estudios Retrospectivos , Medición de Riesgo , Factores de Riesgo , Índice de Severidad de la Enfermedad , Cirugía Asistida por Computador/mortalidad , Factores de Tiempo , Resultado del Tratamiento , Estados Unidos , Neoplasias de la Vejiga Urinaria/mortalidad
9.
Can Urol Assoc J ; 7(5-6): E293-8, 2013.
Artículo en Inglés | MEDLINE | ID: mdl-22398204

RESUMEN

INTRODUCTION: Prostate biopsies incur the risk of being false-negative and this risk has not yet been evaluated for 12-core prostate biopsy. We calculated the false-negative rate of 12-core prostate biopsy and determined the patient characteristics which might affect detection rate. METHODS: We included 90 prostate cancer patients (mean age of 64, range: 49-77) diagnosed with transrectal ultrasound guided 12-core prostate biopsy between December 2005 and April 2008. All patients underwent radical retropubic prostatectomy and the 12-core prostate biopsy procedure was repeated on surgical specimen ex-vivo. Results of preoperative and postoperative prostate biopsies were compared. We analyzed the influence of patient age, prostate weight, serum prostate-specific antigen (PSA) level, free/total PSA ratio, PSA density and Gleason score on detection rate. RESULTS: In 67.8% of patients, prostate cancer was detected with repeated ex-vivo biopsies using the same mapping postoperatively. We found an increase in PSA level, PSA density and biopsy Gleason score; patient age, decreases in prostate weight and free/total PSA ratio yielded higher detection rates. All cores, except the left-lateral cores, showed mild-moderate or moderate internal consistency. Preoperative in-vivo biopsy Gleason scores remained the same, decreased and increased in 43.3%, 8.9% and 47.8% of patients, respectively, on final specimen pathology. CONCLUSIONS: The detection rate of prostate cancer with 12-core biopsy in patients (all of whom had prostate cancer) was considerably low. Effectively, repeat biopsies can still be negative despite the patient's reality of having prostate cancer. The detection rate is higher if 12-core biopsies are repeated in younger patients, patients with high PSA levels, PSA density and Gleason scores, in addition in patients with smaller prostates, lower free/total PSA ratios.

10.
J Sex Med ; 7(2 Pt 1): 810-5, 2010 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-19912501

RESUMEN

INTRODUCTION: In addition to "lifelong" and "acquired" premature ejaculation (PE) syndromes, two more PE syndromes have recently been proposed: "Natural variable PE" and "premature-like ejaculatory dysfunction." AIM: The purpose of this study was to analyze the prevalence of the four PE syndromes among patients who were admitted to a urology outpatient clinic with the complaint of ejaculating prematurely. METHODS: Between July 2008 and March 2009, patients admitted to a urology outpatient clinic with a self-reported complaint of PE were enrolled into the study. After taking a careful medical and sexual history, patients were classified as "lifelong,""acquired,""natural variable," PE or "premature-like ejaculatory dysfunction." MAIN OUTCOME MEASURES: In addition to medical and sexual history, self-estimated intravaginal ejaculatory latency times (IELTs) of patients were used in the classification of patients. RESULTS: A total of 261 potent men with a mean age of 36.39 +/- 10.45 years (range 20-70) were recruited into the study. The majority of the men was diagnosed as having lifelong PE (62.5%); the remaining men were diagnosed as having acquired (16.1%), natural variable PE (14.5%), or premature-like ejaculatory disorder (6.9%). The mean age of patients with acquired PE was significantly higher than the other groups (P = 0.001). No significant difference was observed for educational status or income level of patients in the different PE groups (P = 0.983 and P = 0.151, respectively). The mean self-estimated IELT for all subjects was 65.16 +/- 83.75 seconds (2-420 seconds). Patients with lifelong PE had significantly lower mean self-reported IELT, whereas the patients with premature-like ejaculatory dysfunction had the highest mean IELT (P = 0.001): (i) life-long PE: 20.47 +/- 28.90 seconds (2-120 seconds); (ii) aquired PE: 57.91 +/- 38.72 seconds (90-180 seconds); (iii) natural variable PE: 144.17 +/- 22.47 seconds (120-180 seconds); and (iv) premature-like ejaculatory dysfunction: 286.67 +/- 69.96 seconds (180-420 seconds). CONCLUSIONS: The majority of patients who seek treatment for the complaint of ejaculating prematurely describes lifelong PE. Further population-based studies are required to determine the actual prevalences of these four PE syndromes.


Asunto(s)
Eyaculación , Disfunciones Sexuales Fisiológicas/epidemiología , Adulto , Anciano , Estudios Transversales , Encuestas Epidemiológicas , Humanos , Masculino , Persona de Mediana Edad , Aceptación de la Atención de Salud/estadística & datos numéricos , Disfunciones Sexuales Fisiológicas/clasificación , Disfunciones Sexuales Fisiológicas/diagnóstico , Disfunciones Sexuales Fisiológicas/etiología , Factores Socioeconómicos , Síndrome , Adulto Joven
11.
Adv Urol ; : 948906, 2009.
Artículo en Inglés | MEDLINE | ID: mdl-19746173

RESUMEN

OBJECTIVE: To evaluate the incidence, management, and risk factors of pleural injuries occurring during open nephrectomy. METHODS: Between June 2004/and June 2008, 165 patients (167 renal units) underwent open simple (n = 37, 22.2%), partial (n = 39, 23.4%) or radical (n = 91, 54.5%) nephrectomy in our institution. RESULTS: Flank, Chevron, and abdominal midline incisions were used in 148(88.6%), 17(10.2%), and in 2(1.2%) surgical procedures, respectively. Ribs were excised in 109(65.3%) procedures (11th rib, 10th-11th ribs, and 11th-12th ribs). Intraoperative pleural injuries were detected in 20(12%) procedures, 16(80%) were treated successfully with simple evacuation technique, and 4 required chest tube insertion. Age, sex, surgery type, incision type, and surgery site were not associated with pleural injury occurrence (P > .05). Rib resection was the only parameter associated with pleural injury occurrence. CONCLUSION: Pleural injuries occur in 12% of open nephrectomy procedures, and 80% can be repaired successfully. Few of them (2.4%) need chest tube insertion. Performing rib resection is a significant risk factor for pleural injury occurrence during nephrectomies.

12.
Arch Ital Urol Androl ; 81(1): 56-8, 2009 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-19499761

RESUMEN

OBJECTIVE: Bacterial translocation (BT) is the passage of viable indigenous bacteria from one site to another, such as from gastrointestinal tract to the normally sterile regional mesenteric lymph nodes and than other internal organs. In this study we aimed to investigate the BT to kidney and the protective effect of nitric oxide (NO) inhibition. MATERIAL AND METHODS: A total of 40 adult male Wistar albino rats weighing 320-350g were divided into four equal groups. Group 1 (n = 10): control group, group-2 (n = 10) sham control, group-3 (n = 10) simple obstruction, in which ileum was ligated 1-2 cm proximal to the ileocecal valve, group-4 (n = 10), simple obstruction and treated with L-NAME. Twenty four hour after the operation rats were sacrificed and kidneys were removed by sterile manner and trunk blood obtained for NO analysis. BT was defined as any positive culture from the blood and kidney. Results were compared with Mann- Whitney U test. RESULTS: NO levels in control, sham group, simple obstruction group and obstruction plus L-NAME treated group were 14.04 +/- 0.65 micromol/L, 13.03 +/- 0.080 micromol/L, 31.17 +/- 0.40 micromol/L and 12.24 +/- 0.70 micromol/L, respectively. Renal culture results were negative in all controls and sham operated rats. However, all culture results were positive in obstruction group and in 4 in L-NAME-treated group. The most common microorganism that translocated was E. coli. CONCLUSION: This experimental study shows that BT to rat rat kidneys occurs in bowel obstruction and this can be inhibited by a NO inhibitor, L-NAME. Further studies are needed to define the clinical significance of these findings on urinary tract infection.


Asunto(s)
Traslocación Bacteriana/efectos de los fármacos , Inhibidores Enzimáticos/farmacología , Depuradores de Radicales Libres/sangre , Obstrucción Intestinal/microbiología , Riñón/metabolismo , NG-Nitroarginina Metil Éster/farmacología , Óxido Nítrico/sangre , Animales , Modelos Animales de Enfermedad , Escherichia coli/aislamiento & purificación , Infecciones por Escherichia coli/complicaciones , Obstrucción Intestinal/complicaciones , Masculino , Óxido Nítrico Sintasa/efectos de los fármacos , Ratas , Ratas Wistar , Infecciones Urinarias/microbiología
14.
Can J Urol ; 16(3): 4677-81, 2009 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-19497179

RESUMEN

OBJECTIVE: We present our experience in performing testis sparing surgery (TSS) to treat sequential bilateral testicular tumors. MATERIAL AND METHODS: We performed TSS on two patients with bilateral sequential testicular tumors. RESULTS: A 43-year-old patient (Case 1) and a 33-year-old patient (Case 2) had previous inguinal orchiectomy for seminoma. The patients were diagnosed with secondary testicular tumors in the contralateral testes on follow up. They were treated with TSS after frozen section analysis of the peritumoral testicular tissue. Pathologic evaluation of the removed tumors revealed immature teratoma and Leydig cell tumor. Both patients are disease free without local recurrence and do not have erectile dysfunction, and thus do not need androgen replacement therapy after a follow up of 6 months and 44 months, respectively. CONCLUSIONS: TSS after frozen section analysis appears to be a safe and feasible procedure that, in carefully selected cases, offers adequate cancer control, preserves sexual function, and provides psychological benefits.


Asunto(s)
Neoplasias Testiculares/cirugía , Adulto , Humanos , Masculino , Neoplasias Testiculares/patología , Testículo/patología , Testículo/cirugía
15.
Med Hypotheses ; 73(3): 387-8, 2009 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-19403241

RESUMEN

Surgical castration is still considered the 'gold standard' for androgen deprivation therapy which have become the mainstay for the management of advanced prostate cancer. The main drawback of this safe operation is that it may have a negative psychological effect, thus, in recent years, a decline in the utilization of bilateral orchiectomy which is the most cost-effective form of androgen deprivation therapy can be witnessed. Testicular prostheses have been shown to reduce the psychological impact resulting from loss or absence of a testicle in those patients. Besides, patients with advanced prostate cancer are at risk of skeletal complications and bisphosphonates are used in treatment. Zoledronic acid is the only bisphosphonate agent demonstrated to effectively reduce skeletal related events in patients with advanced prostate cancer metastatic to bone. Therefore, zoledronic acid releasing testicular prostheses can be used in the treatment of prostate cancer patients with bone metastases after bilateral orchiectomy. This technology has the potential to become the preferred clinical management tool for prostate cancer patients with bone metasthases after bilateral orchiectomy.


Asunto(s)
Neoplasias Óseas/tratamiento farmacológico , Neoplasias Óseas/secundario , Difosfonatos/administración & dosificación , Implantes de Medicamentos/administración & dosificación , Imidazoles/administración & dosificación , Modelos Biológicos , Neoplasias de la Próstata/tratamiento farmacológico , Testículo/efectos de los fármacos , Conservadores de la Densidad Ósea/administración & dosificación , Humanos , Masculino , Testículo/cirugía , Ácido Zoledrónico
17.
Adv Urol ; : 419059, 2009.
Artículo en Inglés | MEDLINE | ID: mdl-19197374

RESUMEN

A huge retroperitoneal tumor with a right orbital mass was detected and proved to be an extragonadal nonseminomatous germ cell tumor on biopsy. BEP chemotherapy caused some regression in orbital mass however no change in retroperitoneal tumor size as well as serum tumor marker levels occurred. Herein, we present a rarely seen entity of extragonadal retroperitoneal nonseminomatous germ cell tumor with synchronous orbital metastases and discuss its diagnosis and management.

18.
Arch Ital Urol Androl ; 81(4): 248-50, 2009 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-20608151

RESUMEN

In vitro studies have shown that nitric oxide (NO), inhibits sperm motility at high concentrations. In this study we aimed to determine the NO levels in the seminal fluid of patients with infertile varicocele both pre and postoperatively and in the control group, and compare the results. 20 men with varicocele presented to our clinic for primary infertility and 15 normal fertile men as controls were involved to study. NO levels in the seminal fluid were determined as the total nitrite by Griess reaction and results were compared with Mann-Whitney U test. Preoperative and postoperative mean seminal fluid NO levels in patients with varicocele were 114.82 +/- 33.02 micromol/L and 93.17 +/- 27.24 micromol/L, respectively. In the control group it was 89.4 +/- 20.82 micromol/L. There was a statistically significant different between mean preoperative and postoperative seminal NO levels (p < 0.05), whereas there was no significant difference between mean postoperative seminal NO levels and that of control group (p > 0.05). According to the results of present study, an increase in the level of seminal NO levels may play a role in the sperm dysfunction in infertile patients with varicocele.


Asunto(s)
Infertilidad Masculina/metabolismo , Óxido Nítrico/metabolismo , Semen/metabolismo , Varicocele/metabolismo , Estudios de Casos y Controles , Humanos , Infertilidad Masculina/etiología , Masculino , Periodo Posoperatorio , Periodo Preoperatorio , Semen/citología , Análisis de Semen , Recuento de Espermatozoides , Estadísticas no Paramétricas , Varicocele/complicaciones , Varicocele/cirugía
19.
Can J Urol ; 15(2): 3986-9; discussion 3989, 2008 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-18405446

RESUMEN

INTRODUCTION: We wanted to determine whether routine postoperative chest radiography is needed after surgery with eleventh rib resection. MATERIALS AND METHODS: Data on 80 patients who underwent radical or partial nephrectomy, nephroureterectomy or adrenalectomy through 82 flank incisions with eleventh rib resection were collected and analyzed retrospectively. RESULTS: Radical and partial nephrectomies, nephroureterectomies and adrenalectomies were done through 47, 20, 6 and 9 flank incisions in 80 patients, respectively. Among these, one patient underwent a partial nephrectomy and subsequent contralateral radical nephrectomy, and another patient underwent simultaneous bilateral adrenalectomies. The intrapleural space was entered accidentally in 16 flank incisions (19.51%). Repair was performed with a simple evacuation technique at the time of surgery, and a chest tube was needed in only three patients (18.75%) according to postoperative chest x-ray evaluation after pleural repair. Of the remaining patients who had no evidence of pleural opening on the water seal test before wound closure, none developed respiratory distress postoperatively and no chest x-rays were ordered, except for one patient who developed subcutaneous emphysema on the day of surgery where no evidence of pneumothorax was detected. CONCLUSIONS: We concluded that when pleural injury was not observed and confirmed via the water seal test, none of the patients developed respiratory distress, and this suggests that there is no need to check for its presence with chest x-ray postoperatively.


Asunto(s)
Cuidados Posoperatorios/estadística & datos numéricos , Costillas/cirugía , Procedimientos Quirúrgicos Urológicos , Adrenalectomía , Anciano , Femenino , Humanos , Masculino , Persona de Mediana Edad , Neumotórax/diagnóstico por imagen , Complicaciones Posoperatorias/diagnóstico por imagen , Radiografía/estadística & datos numéricos , Uréter/cirugía
20.
J Androl ; 29(4): 369-73, 2008.
Artículo en Inglés | MEDLINE | ID: mdl-18296476

RESUMEN

The objective of our study is to analyze the impact of patient age, education level, and household income on the understanding of the International Index of Erectile Function (IIEF) and to determine the patient characteristics that make this questionnaire less reliable. All men older than 18 years presenting to our clinic were asked to complete the Turkish translation of IIEF upon arrival. Self-reported information related to age, education level, and household income of the patients was also recorded from the questionnaire. The patients were requested to complete the questionnaires once again during their second visit, which was not earlier than 5 hours and no later than 5 days. The patients were requested to complete the questionnaire by themselves; however, those who were unable to do so themselves were allowed to receive the assistance of their companions. The answers of the questions that were replied to properly were defined as "appropriate," and the unanswered questions or those replied to with more than one answer were defined as "inappropriate." A total of 430 patients were included in this study. Only 289 patients (67.2%) were able to respond to all of the questions properly at first visit. The percentage of improper completion increased as age increased, whereas it decreased parallel to the increase in educational level and household income (respectively, P = .027, P < .001, P = .008). Of 430 patients, 68.4% did not need any help from their companions, and the remaining 31.6% needed some assistance during the completion of the questionnaire. A total of 131 patients who completed the questionnaire at their initial admittance to our clinic came for their second visit. Only 61.8% of the patients were capable of completion both at first and second visits. There was a low degree of consistency among the first and second administrations of IIEF (k = 0.369, P < .001). Turkish translation of the IIEF needs further validations for the self-administered mode in order to improve its comprehension as well as its reliability, validity, and specificity, especially in older patients with lower educational levels and household income status, among whom the prevalence and the severity of erectile dysfunction is higher.


Asunto(s)
Comprensión , Disfunción Eréctil/diagnóstico , Encuestas y Cuestionarios , Traducciones , Adolescente , Adulto , Factores de Edad , Humanos , Lenguaje , Masculino , Persona de Mediana Edad , Erección Peniana/fisiología , Reproducibilidad de los Resultados , Factores Socioeconómicos , Turquía
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