Vivekanandan Kumar

ORCID: 0000-0002-1016-3837
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Research Areas
  • Genital Health and Disease
  • Urologic and reproductive health conditions
  • Urological Disorders and Treatments
  • Bladder and Urothelial Cancer Treatments
  • Kidney Stones and Urolithiasis Treatments
  • Pediatric Urology and Nephrology Studies
  • Prostate Cancer Diagnosis and Treatment
  • Colorectal and Anal Carcinomas
  • Anorectal Disease Treatments and Outcomes
  • MRI in cancer diagnosis
  • Ureteral procedures and complications
  • Pelvic floor disorders treatments
  • Urinary and Genital Oncology Studies
  • Urinary Bladder and Prostate Research
  • Neuroblastoma Research and Treatments
  • Hemodynamic Monitoring and Therapy
  • Congenital Diaphragmatic Hernia Studies
  • Colorectal Cancer Surgical Treatments
  • Neuroscience of respiration and sleep
  • Cancer Diagnosis and Treatment
  • Prostate Cancer Treatment and Research
  • Radiomics and Machine Learning in Medical Imaging
  • Renal and Vascular Pathologies
  • Congenital gastrointestinal and neural anomalies
  • Nonmelanoma Skin Cancer Studies

Norfolk and Norwich University Hospitals NHS Foundation Trust
2011-2025

Norfolk and Norwich University Hospital
2010-2024

University Health Network
2021-2022

Princess Margaret Cancer Centre
2022

Toronto Western Hospital
2021

University of Toronto
2021

King George's Medical University
2013

Norwich University
2012

At Bristol
2010

North Bristol NHS Trust
2007-2008

Transurethral resection of bladder tumor (TURBT) is the initial staging procedure for new cancers (BCs). For muscle-invasive (MIBCs), TURBT may delay definitive treatment. We investigated whether treatment can be expedited MIBC using flexible cystoscopic biopsy and multiparametric magnetic resonance imaging (mpMRI) staging. conducted a prospective open-label, randomized study within 17 UK hospitals (registered as ISRCTN 35296862). Participants with suspected BC were randomly assigned 1:1 to...

10.1200/jco.23.02398 article EN Journal of Clinical Oncology 2025-01-14

Summary. In an attempt to reduce pain after laparoscopy, presumed be due persistence of CO 2 in the peritoneal cavity especially under diaphragm, women were kept 30° head down for 30 min immediately operation. By random selection 67 treated patients compared with 64 flat, postoperative symptoms being recorded at fixed times 3 days. Although tilting was found no significant benefit there two useful findings. both groups a fall frequency upper abdominal during first night from about 53% 25%,...

10.1111/j.1471-0528.1987.tb02365.x article EN BJOG An International Journal of Obstetrics & Gynaecology 1987-03-01

Objective To compare the complications and oncological outcomes between video‐endoscopic inguinal lymph node dissection ( VEILND ) open ILND OILND in men with carcinoma of penis. Patients methods A prospectively collected institutional database was used to determine 42 consecutive patients undergoing 2008 2015 a centre for treating penile cancer. Before 2013 all procedures were s. Since we have performed on need . The wound‐related non‐wound‐related complications, length stay, safety groups...

10.1111/bju.13660 article EN BJU International 2016-09-15

TPS14 Background: Penile cancer is rare, <1% of male malignancies diagnosed each year, but its incidence increasing with an 18% increase over the last decade projected to rise a further 9% in next 10 years. Patients locally advanced/metastatic penile (la/mPC) have very few treatment options and there lack clinical trial data guide management. Cisplatin containing combination chemotherapy regimens are regarded as standard care (SOC) this setting. However, response rates 50% or less need...

10.1200/jco.2024.42.4_suppl.tps14 article EN Journal of Clinical Oncology 2024-01-29

No AccessJournal of UrologyAdult Urology1 Jan 2011New Ureteral Stent Design Does Not Improve Patient Quality Life: A Randomized, Controlled Trial Kim Davenport, Vivekanandan Kumar, Justin Collins, Roberto Melotti, Anthony G. Timoney, and Francis X. Keeley DavenportKim Davenport More articles by this author , KumarVivekanandan Kumar CollinsJustin Collins MelottiRoberto Melotti TimoneyAnthony Timoney KeeleyFrancis View All Author Informationhttps://doi.org/10.1016/j.juro.2010.08.089AboutFull...

10.1016/j.juro.2010.08.089 article EN The Journal of Urology 2010-11-14

Purpose: To compare operative times between retrograde and antegrade ureteral stenting as part of laparoscopic pyeloplasty. Patients Methods: Laparoscopic pyeloplasty procedures from January 2002 to 2007 were identified through a prospective database. Procedures on 126 patients performed using the same transperitoneal technique apart method stent placement, which was in either manner before laparoscopy or an during portion procedure. Results: A total 45 underwent stenting, 53 had 20 already...

10.1089/end.2007.0210 article EN Journal of Endourology 2008-04-01

To highlight the implications of use capsaicin in managing loin pain-haematuria syndrome (LPHS). Between February 2002 and 2007, three patients (one male two females; mean age 31.7 years) with LPHS were managed followed up for a period 8-48 months. All diagnosed after negative urological investigations including urine culture, cytology, renal tract ultrasonography, intravenous urography flexible cystoscopy; nephrological work-ups normal blood pressure measurements, creatinine clearance,...

10.1111/j.1464-410x.2008.07916.x article EN BJU International 2008-08-22

Summary Eighty unpremedicated patients undergoing dilatation and curettage were randomly allocated to receive induction of anaesthesia with either Althesin or thiopentone prior maintenance nitrous oxide, oxygen halothane. Patients in each group divided into those under 50 years (‘young’) over SO (‘old’). Recovery was assessed by the time taken opening their eyes, give correct date birth achieve baseline ability manipulative skill a children's post box toy. There no difference open eyes...

10.1111/j.1365-2044.1983.tb12517.x article EN Anaesthesia 1983-12-01

Objective: The objective of this article is to evaluate the performance magnetic resonance imaging (MRI) and Partin tables at predicting extracapsular disease (ECD) in men with prostate cancer. Patients methods: We identified all patients who had a radical prostatectomy our institution 2008. MRI predictions ECD were compared histopathological stage. Oncological outcome one year was assessed by biochemical recurrence (BCR) (prostate-specific antigen (PSA) ≥ 0.4 ng/dl followed another rise)....

10.1177/1875974212465572 article EN Journal of Clinical Urology 2013-01-01

Abstract Background Penile cancer is a rare male genital malignancy. Surgical excision of the primary tumour followed by radical inguinal lymphadenectomy if there metastatic disease detected biopsy, fine needle aspiration cytology (FNAC) or following sentinel lymph node biopsy in patients with impalpable disease. However, associated high morbidity rate, and increasing usage videoendoscopic approach as an alternative. Methods A pragmatic, UK-wide multicentre feasibility randomised controlled...

10.1186/s40814-024-01474-8 article EN cc-by Pilot and Feasibility Studies 2024-04-10

Annals of Coloproctology is an official journal the Korean Society (KSCP) and Asia Pacific Federation (APFCP). It was launched in 1985 it also has designated as APFCP since 2019. The title our changed from "Journal (abbreviated title-J Soc Coloproctol)" to "Annals title-Ann 2013. published bimonthly on last day February, April, June, August, October, December each year. Supplements numbers are at times published. All manuscripts peer-reviewed. publishes special articles clinical basic...

10.3393/ac.2023.00801.0114 article EN cc-by-nc Annals of Coloproctology 2024-12-02

We report an unusual case of acute spontaneous scrotal haematoma presenting with haemorrhagic shock requiring resuscitation.

10.1308/003588412x13171221498785 article EN Annals of The Royal College of Surgeons of England 2011-12-31

Abstract Background Lymph node metastasis is the main determinant of survival in penile cancer patients. Conventionally clinical palpability used to stratify patients Inguinal dissection (ILND) if clinically positive (cN +) or Dynamic sentinel biopsy (DSNB) negative (cN0). Studies suggest a false rate (FNR) around 10% (5–13%) for DSNB. To our knowledge there are no studies reporting harder end point and outcomes all We present outcome data with including rates both DSNB ILND groups. Methods...

10.1186/s12894-023-01303-9 article EN cc-by BMC Urology 2023-08-15
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