Evaluation of continence following 532 nm laser prostatectomy for patients previously treated with radiation therapy or brachytherapy

No, David; Osterberg, E. Charles; Otto, Brandon; Naftali, Izolda; Choi, Benjamin B.

doi:10.1002/lsm.22152

Cited by 7 publications

(3 citation statements)

References 18 publications

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“…Earlier studies reported an 18-19 % risk of incontinence for TURP after radiation therapy [49,53], with some suggestion that late retention (TURP>2 years after brachytherapy) was a risk factor for incontinence. Other reports suggest a much lower risk of incontinence for both TURP and PVP after radiation therapy [50,52].…”

Section: Variables and Patient Characteristics That May Influence Thementioning

confidence: 95%

“…Additionally, PVP remains a reasonable alternative, which is also safe and effective [51,52]. Some authors have expressed concern regarding the relief of obstruction after radiation because of the risk of urinary incontinence in the setting of an overactive bladder, which may not have been fully appreciated.…”

Section: Variables and Patient Characteristics That May Influence Thementioning

confidence: 99%

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Comparison of Patients Undergoing PVP Versus TURP for LUTS/BPH

2015

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Transurethral resection of the prostate (TURP) and photoselective vaporization of the prostate (PVP) are currently the two most commonly performed procedures for the treatment of benign prostatic hyperplasia (BPH). While each procedure has been shown to be efficacious, TURP or PVP may be preferred in certain clinical scenarios. A number of factors may influence the choice of which patients undergo PVP or TURP. This decision may take into account patient characteristics, such as age, co-morbidities, predominance of irritative symptoms, and/or ongoing anticoagulation. Additionally, balancing desired outcomes with possible risks is critical. Considerations should include possible effects on sexual function, rates of reoperation, cost, and need for tissue specimen in those at risk for prostate cancer. The primary objective of this article is to summarize the comparative research of PVP and TURP and the implications on differences between patients who undergo either procedure.

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Section: Variables and Patient Characteristics That May Influence Thementioning

confidence: 95%

Section: Variables and Patient Characteristics That May Influence Thementioning

confidence: 99%

Comparison of Patients Undergoing PVP Versus TURP for LUTS/BPH

2015

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“…Brachytherapy is an ideal treatment for clinically localized prostate cancer. When compared with radical prostatectomy, brachytherapy is often well-tolerated, with only mild to moderate urinary morbidity; however, urinary complications following brachytherapy, such as bladder-outlet obstruction or urinary retention, have been reported in up to 15% of the men that have undergone the procedure ( 1 ). Several alternatives for the treatment of post-brachytherapy retention have been reported in the literature, including prolonged suprapubic catheterization, intermittent self-catheterization, urethral endoprosthesis and transurethral resection of the prostate (TURP) ( 2 , 3 ).…”

Section: Introductionmentioning

confidence: 99%

Bipolar button-electrode plasma vaporization of the prostate: An effective option for patients with post-brachytherapy retention

Lin

Liu

Xie

2015

Experimental and Therapeutic Medicine

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Urinary retention is a common urinary complication following brachytherapy for prostate cancer. When conservative therapy has failed, surgical intervention, such as transurethral resection of the prostate (TURP), is performed. In the present case, it was found that conventional bipolar TURP was an inappropriate choice of therapy, since the electrical loop could easily rupture and discharge sparks when encountering the seeds intraoperatively; however, bipolar button-electrode plasma vaporization of the prostate was proven to be a much safer technique. The ‘button-type’ electrode, which has a larger contacting surface, was firm enough to tolerate the transient high levels of energy generated by the short circuit and enable the safe completion of the procedure.

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Optical feedback-induced light modulation for fiber-based laser ablation

Kang

2014

Lasers Med Sci

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Optical fibers have been used as a minimally invasive tool in various medical fields. However, due to excessive heat accumulation, the distal end of a fiber often suffers from severe melting or devitrification, leading to the eventual fiber failure during laser treatment. In order to minimize thermal damage at the fiber tip, an optical feedback sensor was developed and tested ex vivo. Porcine kidney tissue was used to evaluate the feasibility of optical feedback in terms of signal activation, ablation performance, and light transmission. Testing various signal thresholds demonstrated that 3 V was relatively appropriate to trigger the feedback sensor and to prevent the fiber deterioration during kidney tissue ablation. Based upon the development of temporal signal signatures, full contact mode rapidly activated the optical feedback sensor possibly due to heat accumulation. Modulated light delivery induced by optical feedback diminished ablation efficiency by 30% in comparison with no feedback case. However, long-term transmission results validated that laser ablation assisted with optical feedback was able to almost consistently sustain light delivery to the tissue as well as ablation efficiency. Therefore, an optical feedback sensor can be a feasible tool to protect optical fiber tips by minimizing debris contamination and delaying thermal damage process and to ensure more efficient and safer laser-induced tissue ablation.

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Evaluation of continence following 532 nm laser prostatectomy for patients previously treated with radiation therapy or brachytherapy

Cited by 7 publications

References 18 publications

Comparison of Patients Undergoing PVP Versus TURP for LUTS/BPH

Comparison of Patients Undergoing PVP Versus TURP for LUTS/BPH

Bipolar button-electrode plasma vaporization of the prostate: An effective option for patients with post-brachytherapy retention

Optical feedback-induced light modulation for fiber-based laser ablation

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