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Anesthetics

Holmium en bloc resection procedure will be done under either general or spinal anesthesia, using a Holmium laser device (Cyber Ho, Quanta device, Milano, Italy). We will use a 30-40-watt power, 1-2 joules and 20-30 MHz frequency

bipolar en bloc tumor resection of urinary bladder tumors

After obtaining informed consent, patients will be randomized with a 1:1 ratio using sealed envelopes that will be prepared by the department's ethical committee into 2 groups, group 1 represent the Holmium en bloc resection procedure while group 2 represents bipolar en bloc resection. Patients will be blinded to the type of intervention as well as the data collector and the statistician.

Intervention: all procedures will be done by an expert surgeon who performed over 50 cases of en bloc urinary bladder tumor resection with each energy source. In group A, Holmium en bloc resection procedure will be done under either general or spinal anesthesia, using a Holmium laser device (Cyber Ho, Quanta device, Milano, Italy). We will use a 30-40-watt power, 1-2 joules and 20-30 MHz frequency for Group A and bipolar en bloc resection for Group B. A 550 nm flexible laser fiber will be used in group A and a bipolar resection loop for group B.

Holmium versus Bipolar en bloc transurethral resection

AHMED M HIGAZY

En bloc resection of bladder tumors (ERBT) may improve staging quality and perioperative morbidity and influence tumour recurrence

Modern laser technology has led to new alternatives to conventional TURBT (cTURBT). The advocates of ERBT have three goals: to improve resection quality, lower perioperative complication rates, and decrease recurrence rates at resection sites. The present study is the first to compare the results of laser and electric en bloc resection of bladder cancer with respect to the aforementioned goals.

we aimTo compare the clinical outcome in the form of safety and efficacy between Holmium and bipolar transurethral en bloc resection of urinary bladder tumors.

After obtaining informed consent, patients will be randomized with a 1:1 ratio using sealed envelopes that will be prepared by the department's ethical committee into 2 groups, group 1 represent the Holmium en bloc resection procedure while group 2 represents bipolar en bloc resection. Patients will be blinded to the type of intervention as well as the data collector and the statistician.

Patients will be blinded to the type of intervention as well as the data collector and the statistician.

Holmium Versus Bipolar en Bloc Transurethral Resection of Urothelium Tumor of the Urinary Bladder

Holmium Versus Bipolar en Bloc Transurethral Resection of Urothelium Tumor of the Urinary Bladder: A Randomized Controlled Trial

conversion from the enbloc way of resection to the standard trans-urethral resection of bladder tumors

presence of muscle layer in the pathological specimen (Yes/No)

hours for the need of postoperative irrigation

recurrence of tumor in the follow up cystoscopy

recurrence of tumor in the follow up cystoscopy in the same site or in different site

Study title	NCT ID	Conditions	Interventions	Eligibility	Organization	Link
Holmium Versus Bipolar en Bloc Transurethral Resection of Urothelium Tumor of the Urinary Bladder	NCT04576286	Urinary Bladder...	Holmium versus ...	18 Years -	Ain Shams University
Holmium Versus Bipolar en Bloc Transurethral Resection of Urothelium Tumor of the Urinary Bladder	NCT04576286	Urinary Bladder...	Holmium versus ...	18 Years -	Ain Shams University

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