Publications by authors named "Bhat Seetharam"

Non-muscle-invasive bladder cancer (NMIBC) is the most common type of bladder cancer presentation and is characterized by a varying probability of recurrence and progression. Sporadically, patients with NMIBC might also develop tumour metastases without any pathological evidence of muscle-invasive disease within the bladder, a condition known as metastatic NMIBC. In the published literature, this phenomenon is limited to several case reports and small reviews, with few data regarding the possible aetiologies.

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Article Synopsis
  • Doctors want to see if using a special graft from human placenta during prostate surgery helps patients recover faster and stay healthy over time.
  • They studied 529 patients who received this graft and compared them to 444 patients who didn't, checking how well they did after surgery.
  • The results showed that the graft didn't seem to hurt their chances of staying cancer-free, but more research is needed to understand how it affects cancer survival overall.
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Objective: In the following years after the United States Preventive Service Task Force (USPSTF) recommendation against prostate cancer screening with PSA in 2012, several authors worldwide described an increase in higher grades and aggressive prostate tumors. In this scenario, we aim to evaluate the potential impacts of USPSTF recommendations on the functional and oncological outcomes in patients undergoing robotic-assisted radical prostatectomy (RARP) in a referral center.

Material And Methods: We included 11396 patients who underwent RARP between 2008 and 2021.

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Introduction: The PRECE is a model predicting the risk of extracapsular extension (ECE) of prostate cancer: it has been developed on more than 6000 patients who underwent robotic radical prostatectomy (RARP) at the Global Robotic Institute, FL, USA. Up to now, it is the single tool predicting either the side and the amount of ECE. The model has a free user-friendly interface and is made up from simple and available covariates, namely age, PSA, cT, GS and percent of positive core, the latter topographically distributed within the prostate gland.

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Post radical prostatectomy (RP) erectile dysfunction and incontinence impacts quality of life for patients. In an objective to hasten the recovery of these functional outcomes, human placental derived allografts laid on neurovascular bundles (NVB) have been investigated. These grafts include amniotic membranes (AM) chorionic membranes (CM) or umbilical cord (UC) allografts.

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Anomalies of systemic venous connections are extremely rare. We describe the case of an asymptomatic 29-year-old woman who was found to have systemic desaturation in the peripartum period and referred to us for suspected cyanotic heart disease. She was diagnosed to have hemianomalous systemic venous connection of the inferior vena cava (IVC) into the left atrium (LA).

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Background: Reports in the literature describe lymphocele formation in up to half of patients following pelvic lymph node dissection (PLND) (1) in robotic-assisted radical prostatectomy (RARP), with 1-2% requiring intervention (2). The advantage of surgical approach is permanent excision of the lymphocele capsule and fewer days with pelvic drains compared to percutaneous drainage. This study aims to describe the step-by-step surgical management of symptomatic lymphoceles using a less invasive robotic platform, the Da Vinci® Single Port (SP).

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As the coronavirus disease 2019 (COVID-19) global pandemic continues, there is increased value in performing same-day discharge (SDD) protocols to minimize viral exposure and maintain the appropriate surgical treatment for oncologic patients. In this scenario, we performed a prospective analysis of outcomes of our patients undergoing SDD protocol after robot-assisted radical prostatectomy (RARP). The SDD criteria included patients with no intraoperative complications, stable postoperative hemoglobin levels (compared with preoperative values), stable vital signs, normal urine output, ambulation with assistance and independently without dizziness, tolerance of clear liquids without nausea or vomiting, pain control with oral medication, and patient/family confidence with SDD.

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Article Synopsis
  • This study looked at how much more it costs to perform a type of cancer surgery using different robotic systems, specifically the da Vinci SP and Xi robots.
  • Researchers compared 71 patients who had robotic surgery with the SP robot to another group of 71 who used the Xi robot, focusing on the costs like supplies and instruments.
  • They found that using the SP robot was about $707 more expensive than the Xi robot, mainly because SP had higher costs for disposable items and instruments.
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dHACM is a source of factors including cytokines that allow anti-inflammatory and proliferative elements to be utilized for wound and ulcer management. We present our experience of using dHACM in a cohort of patients undergoing nerve-sparing (NS) robot-assisted laparoscopic prostatectomy (RALP). Our objective is to investigate the functional and oncological outcomes of NS after placing amniotic or dehydrated human amnion/chorion membrane (dHACM) on preserved neurovascular bundles (NVBs).

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Different consoles have been described for the da Vinci single-port (SP) surgery since it was cleared by the FDA in November 2018. However, the literature still lacks studies identifying factors related to the SP learning curve and how to overcome the technological limitations, especially in terms of maintaining acceptable positive surgical margins (PSMs). This study describes our perioperative experience implementing a safe SP approach to radical prostatectomy (RP) while minimizing PSM, especially during the initial learning period.

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The field of robotic surgery continues to evolve and the advent of the single-port (SP) platform is another step toward the future. The SP platform is a new technology that has promising implications for urologic surgery. Since the Food and Drug Administration (FDA) cleared this platform in 2018, multiple urologic procedures have been described, with radical prostatectomy being the most common.

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The da Vinci single-port (SP) and multiport (Xi) approaches to robotic-assisted radical prostatectomy (RARP) are described by different authors in the literature, primarily comparing short-term outcomes of both modalities. To our knowledge, this is the first article comparing the surgical perspective and satisfaction of patients who underwent RARP with the SP and Xi platforms. To determine the patient surgical perspective and satisfaction in terms of pain control, return to normal activity, and overall results of surgery for two groups who underwent SP and Xi radical prostatectomy.

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Background: The Oncotype DX assay is a clinically validated 17-gene genomic assay that provides a genomic prostate score (GPS; scale 0-100) measuring the heterogeneous nature of prostate tumors. The test is performed on prostate tissue collected during biopsy. There is a lack of data on the association between the GPS and tumor pathology after radical prostatectomy (RP).

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Some reports in the literature describe lymphocele formation in as much as half of patients after pelvic lymph node dissection (PLND) in robot-assisted radical prostatectomy (RARP), with 1%-2% requiring intervention. Several treatment modalities for symptomatic lymphoceles are available, including percutaneous drainage, sclerosing agents, and surgical marsupialization, typically performed by laparoscopy or with a multiport robotic platform. The advantage of surgical approach is permanent excision of the lymphocele capsule and fewer days with pelvic drains compared to percutaneous drainage.

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Background: Use of the single-port da Vinci SP robotic platform for various urological procedures has been described by several groups. However, the comparative performance of the SP robot in relation to earlier models such as the da Vinci Xi is still unclear.

Objective: To compare intraoperative and short-term postoperative outcomes between the da Vinci Xi and SP robots for patients undergoing radical prostatectomy (RP) in a referral center.

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Introduction: Robotic surgical technology has evolved to include a new platform specifically designed for the single-port (SP) approach. Benefits of the da Vinci SP are still under investigation. This study aimed to review the urological literature since the first report of the use of the platform.

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To report our experience and lessons learned as high-volume center of robotic surgery managing patients with prostate cancer since the beginning of the COVID-19 pandemic in our center. We described some critical changes in our routine to minimize the COVID infection among patients and health care workers. From March 1 to May 25, 2020, we described our actions and surgical outcomes of patients treated in our center during the pandemic.

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The benefits and outcomes of robotic surgery are well established in the literature across multiple specialties. The increasing need for and dissemination of this technology associated with high costs, demand adequate planning during its implementation. Therefore, after years of training several robotic surgeons and establishing multiple robotic programs worldwide, the purpose of this article is to focus on the necessary elements in the initial phase of establishing a robotics program.

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Objective: To describe the crucial factors related to the implementation of the da Vinci single-port (SP) system (Intuitive Surgical Inc., Sunnyvale, CA, USA), and the early outcomes after the introduction of this robot for robot-assisted radical prostatectomy (RARP).

Patients And Methods: We prospectively collected data from 50 consecutive patients with prostate adenocarcinoma who underwent RARP using this robot.

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Background: Early recovery of continence and potency after robotic-assisted laparoscopic prostatectomy (RALP) still remains a challenge.

Objective: To assess the effect of our modified apical dissection and lateral prostatic fascia preservation (mod-RALP) technique on early functional outcomes.

Design, Setting, And Participants: Among 2168 patients who underwent RALP between 2017 and 2019, 104 received a mod-RALP, and for the purposes of this study they were propensity score (PS) matched with a control group of conventional RALP cases based on preoperative and histological characteristics.

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