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1.
Radiology ; 310(3): e231877, 2024 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-38441098

RESUMEN

Background Prostatic artery embolization (PAE) is a safe, minimally invasive angiographic procedure that effectively treats benign prostatic hyperplasia; however, PAE-related patient radiation exposure and associated risks are not completely understood. Purpose To quantify radiation dose and assess radiation-related adverse events in patients who underwent PAE at multiple centers. Materials and Methods This retrospective study included patients undergoing PAE for any indication performed by experienced operators at 10 high-volume international centers from January 2014 to May 2021. Patient characteristics, procedural and radiation dose data, and radiation-related adverse events were collected. Procedural radiation effective doses were calculated by multiplying kerma-area product values by an established conversion factor for abdominopelvic fluoroscopy-guided procedures. Relationships between cumulative air kerma (CAK) or effective dose and patient body mass index (BMI), fluoroscopy time, or radiation field area were assessed with linear regression. Differences in radiation dose stemming from radiopaque prostheses or fluoroscopy unit type were assessed using two-sample t tests and Wilcoxon rank sum tests. Results A total of 1476 patients (mean age, 69.9 years ± 9.0 [SD]) were included, of whom 1345 (91.1%) and 131 (8.9%) underwent the procedure with fixed interventional or mobile fluoroscopy units, respectively. Median procedure effective dose was 17.8 mSv for fixed interventional units and 12.3 mSv for mobile units. CAK and effective dose both correlated positively with BMI (R2 = 0.15 and 0.17; P < .001) and fluoroscopy time (R2 = 0.16 and 0.08; P < .001). No radiation-related 90-day adverse events were reported. Patients with radiopaque implants versus those without implants had higher median CAK (1452 mGy [range, 900-2685 mGy] vs 1177 mGy [range, 700-1959 mGy], respectively; P = .01). Median effective dose was lower for mobile than for fixed interventional systems (12.3 mSv [range, 8.5-22.0 mSv] vs 20.4 mSv [range, 13.8-30.6 mSv], respectively; P < .001). Conclusion Patients who underwent PAE performed with fixed interventional or mobile fluoroscopy units were exposed to a median effective radiation dose of 17.8 mSv or 12.3 mSv, respectively. No radiation-related adverse events at 90 days were reported. © RSNA, 2024 See also the editorial by Mahesh in this issue.


Asunto(s)
Embolización Terapéutica , Hiperplasia Prostática , Exposición a la Radiación , Humanos , Masculino , Anciano , Hiperplasia Prostática/diagnóstico por imagen , Hiperplasia Prostática/terapia , Estudios Retrospectivos , Próstata/diagnóstico por imagen , Arterias/diagnóstico por imagen
2.
World J Urol ; 41(1): 179-188, 2023 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-36463348

RESUMEN

BACKGROUND: There are growing interests for minimally invasive surgical techniques (MISTs) for the treatment of benign prostatic hyperplasia (BPH)-associated lower urinary tract symptoms (LUTS). Prostatic artery embolization (PAE) uses selective angioembolization of prostatic arteries, thereby reducing size to improve LUTS/BPH. However, real-world data comparing surgical outcomes between MISTs and tissue resective techniques are lacking. We assessed the differences in surgical outcomes between PAE, transurethral resection of the prostate (TURP), and prostatic urethral lift (PUL) in a real-world population for LUTS/BPH. METHODS: We present an observational population-based study of 12,902 men with BPH in New York State who received PAE, TURP, and PUL in outpatient and ambulatory surgery settings from 2014 to 2018. For short-term outcomes, we report 30-day and 90-day risks of readmission to inpatient and emergency room (ER) with/without complications and compared them across groups using χ2 tests and mixed-effect logistic regressions. For long-term outcomes, we report surgical retreatment and stricture rates using Kaplan-Meier failure curves and compared them using Log rank tests and Cox regression models. RESULTS: Of 12 902 men, 335 had PAE, 11,205 had TURP, and 1362 had PUL. PAE patients had the highest 30-day (19.9%) and 90-day (35.6%) risks of readmission to inpatient or ER (p < 0.01). Non-specific abdominal pain was the main diagnosis associated with 30-day and 90-day readmissions to inpatient or ER after PAE (14.3% and 26.8%, respectively). After 2 years of follow-up, PAE patients had the highest retreatment rate of 28.5% (95%CI 23.7-34.2%) compared to TURP (3.4% (95%CI 3.1-3.8%)) and PUL (8.5% (95%CI 5.6-12.9%)) (p < 0.001). CONCLUSION: In a real-world population, PAE was associated with the most frequent 30-day and 90-day readmission to inpatient or ER and the highest retreatment rate among all surgical techniques even when controlled for individual patient comorbidities and surgical volume.


Asunto(s)
Embolización Terapéutica , Síntomas del Sistema Urinario Inferior , Hiperplasia Prostática , Resección Transuretral de la Próstata , Masculino , Humanos , Próstata/cirugía , Próstata/irrigación sanguínea , Resección Transuretral de la Próstata/métodos , Hiperplasia Prostática/complicaciones , Hiperplasia Prostática/cirugía , Embolización Terapéutica/efectos adversos , Resultado del Tratamiento , Síntomas del Sistema Urinario Inferior/epidemiología , Síntomas del Sistema Urinario Inferior/etiología , Síntomas del Sistema Urinario Inferior/cirugía , Arterias
3.
J Vasc Interv Radiol ; 34(4): 653-659, 2023 04.
Artículo en Inglés | MEDLINE | ID: mdl-36521792

RESUMEN

PURPOSE: This study aimed to assess the safety and efficacy of percutaneous lithotripsy for gallstone eradication in patients with calculous cholecystitis with stones >1 cm. MATERIALS AND METHODS: Multi-institutional institutional review board approved retrospective review of patients who presented with calculous cholecystitis and were not determined to be surgical candidates. All patients underwent percutaneous cholecystostomy tube placement for acute infection, which was later exchanged for a large sheath for ShockPulse (Olympus, Tokyo, Japan) lithotripsy and stone destruction. Review parameters included procedural technical and clinical data, including clinical presentation, mean length of hospital stay, and postintervention symptom reduction. RESULTS: Twelve patients (mean age, 74.6 years; range, 52-94 years; 6 men and 6 women) underwent large-bore sheath (24-30 F) cholangioscopy-assisted gallstone destruction via rigid lithotripsy. The size of the gallstones ranged from 1.2 to 4.0 cm. All patients had prior cholecystostomy access for a mean of 25 weeks before gallstone extraction to ensure tract maturation via transhepatic or transperitoneal access. The technical success rate in single-session stone removal was 100%, with no major procedure-related adverse events. All patients were symptom- and pain-free after the procedure. The mean procedure time was 111.5 minutes, and the mean fluoroscopy time was 19.2 minutes. The median length of hospital stay was 1 day after the procedure. The mean time from percutaneous lithotripsy to biliary tube removal was 35 days (range, 17-45 days). CONCLUSIONS: Fluoroscopy-guided percutaneous rigid lithotripsy is a safe and effective procedure for gallstone destruction and extraction in patients who are poor surgical candidates with large lumen-occupying cholelithiasis.


Asunto(s)
Sistema Biliar , Colecistitis Aguda , Colecistitis , Colecistostomía , Cálculos Biliares , Litotricia , Anciano , Femenino , Humanos , Masculino , Colecistitis/cirugía , Colecistitis Aguda/terapia , Colecistitis Aguda/cirugía , Colecistostomía/efectos adversos , Colecistostomía/métodos , Cálculos Biliares/complicaciones , Cálculos Biliares/diagnóstico por imagen , Cálculos Biliares/terapia , Litotricia/efectos adversos , Litotricia/métodos , Estudios Retrospectivos , Resultado del Tratamiento
4.
Lancet Oncol ; 23(7): 910-918, 2022 07.
Artículo en Inglés | MEDLINE | ID: mdl-35714666

RESUMEN

BACKGROUND: Men with grade group 2 or 3 prostate cancer are often considered ineligible for active surveillance; some patients with grade group 2 prostate cancer who are managed with active surveillance will have early disease progression requiring radical therapy. This study aimed to investigate whether MRI-guided focused ultrasound focal therapy can safely reduce treatment burden for patients with localised grade group 2 or 3 intermediate-risk prostate cancer. METHODS: In this single-arm, multicentre, phase 2b study conducted at eight health-care centres in the USA, we recruited men aged 50 years and older with unilateral, MRI-visible, primary, intermediate-risk, previously untreated prostate adenocarcinoma (prostate-specific antigen ≤20 ng/mL, grade group 2 or 3; tumour classification ≤T2) confirmed on combined biopsy (combining MRI-targeted and systematic biopsies). MRI-guided focused ultrasound energy, sequentially titrated to temperatures sufficient for tissue ablation (about 60-70°C), was delivered to the index lesion and a planned margin of 5 mm or more of normal tissue, using real-time magnetic resonance thermometry for intraoperative monitoring. Co-primary outcomes were oncological outcomes (absence of grade group 2 and higher cancer in the treated area at 6-month and 24-month combined biopsy; when 24-month biopsy data were not available and grade group 2 or higher cancer had occurred in the treated area at 6 months, the 6-month biopsy results were included in the final analysis) and safety (adverse events up to 24 months) in all patients enrolled in the study. This study is registered with ClinicalTrials.gov, NCT01657942, and is no longer recruiting. FINDINGS: Between May 4, 2017, and Dec 21, 2018, we assessed 194 patients for eligibility and treated 101 patients with MRI-guided focused ultrasound. Median age was 63 years (IQR 58-67) and median concentration of prostate-specific antigen was 5·7 ng/mL (IQR 4·2-7·5). Most cancers were grade group 2 (79 [78%] of 101). At 24 months, 78 (88% [95% CI 79-94]) of 89 men had no evidence of grade group 2 or higher prostate cancer in the treated area. No grade 4 or grade 5 treatment-related adverse events were reported, and only one grade 3 adverse event (urinary tract infection) was reported. There were no treatment-related deaths. INTERPRETATION: 24-month biopsy outcomes show that MRI-guided focused ultrasound focal therapy is safe and effectively treats grade group 2 or 3 prostate cancer. These results support focal therapy for select patients and its use in comparative trials to determine if a tissue-preserving approach is effective in delaying or eliminating the need for radical whole-gland treatment in the long term. FUNDING: Insightec and the National Cancer Institute.


Asunto(s)
Antígeno Prostático Específico , Neoplasias de la Próstata , Anciano , Humanos , Imagen por Resonancia Magnética/métodos , Masculino , Persona de Mediana Edad , Estudios Prospectivos , Próstata/patología , Neoplasias de la Próstata/diagnóstico por imagen , Neoplasias de la Próstata/patología , Neoplasias de la Próstata/terapia
5.
J Org Chem ; 87(11): 7557-7564, 2022 06 03.
Artículo en Inglés | MEDLINE | ID: mdl-35575695

RESUMEN

A new family of stabilized benzylic nucleophiles for the palladium-catalyzed decarboxylative allylic alkylation reaction has been developed. Allyl esters derived from 3-carboxyphthalides were found to undergo palladium-catalyzed deallylation and decarboxylation under mild reaction conditions, a process facilitated by the formation of a stabilized aromatic anion. The regioselective allylic coupling of this intermediate afforded a variety of functionalized phthalides in 73-96% yields.


Asunto(s)
Compuestos Alílicos , Paladio , Alquilación , Benzofuranos , Catálisis , Estructura Molecular
6.
J Magn Reson Imaging ; 54(2): 462-471, 2021 08.
Artículo en Inglés | MEDLINE | ID: mdl-33719168

RESUMEN

BACKGROUND: A definitive diagnosis of prostate cancer requires a biopsy to obtain tissue for pathologic analysis, but this is an invasive procedure and is associated with complications. PURPOSE: To develop an artificial intelligence (AI)-based model (named AI-biopsy) for the early diagnosis of prostate cancer using magnetic resonance (MR) images labeled with histopathology information. STUDY TYPE: Retrospective. POPULATION: Magnetic resonance imaging (MRI) data sets from 400 patients with suspected prostate cancer and with histological data (228 acquired in-house and 172 from external publicly available databases). FIELD STRENGTH/SEQUENCE: 1.5 to 3.0 Tesla, T2-weighted image pulse sequences. ASSESSMENT: MR images reviewed and selected by two radiologists (with 6 and 17 years of experience). The patient images were labeled with prostate biopsy including Gleason Score (6 to 10) or Grade Group (1 to 5) and reviewed by one pathologist (with 15 years of experience). Deep learning models were developed to distinguish 1) benign from cancerous tumor and 2) high-risk tumor from low-risk tumor. STATISTICAL TESTS: To evaluate our models, we calculated negative predictive value, positive predictive value, specificity, sensitivity, and accuracy. We also calculated areas under the receiver operating characteristic (ROC) curves (AUCs) and Cohen's kappa. RESULTS: Our computational method (https://github.com/ih-lab/AI-biopsy) achieved AUCs of 0.89 (95% confidence interval [CI]: [0.86-0.92]) and 0.78 (95% CI: [0.74-0.82]) to classify cancer vs. benign and high- vs. low-risk of prostate disease, respectively. DATA CONCLUSION: AI-biopsy provided a data-driven and reproducible way to assess cancer risk from MR images and a personalized strategy to potentially reduce the number of unnecessary biopsies. AI-biopsy highlighted the regions of MR images that contained the predictive features the algorithm used for diagnosis using the class activation map method. It is a fully automatic method with a drag-and-drop web interface (https://ai-biopsy.eipm-research.org) that allows radiologists to review AI-assessed MR images in real time. LEVEL OF EVIDENCE: 1 TECHNICAL EFFICACY STAGE: 2.


Asunto(s)
Aprendizaje Profundo , Neoplasias de la Próstata , Radiología , Inteligencia Artificial , Humanos , Imagen por Resonancia Magnética , Masculino , Neoplasias de la Próstata/diagnóstico por imagen , Estudios Retrospectivos
7.
World J Urol ; 39(6): 2177-2182, 2021 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-32909172

RESUMEN

PURPOSE: To identify clinical and non-clinical predictors of treatment failure and perioperative complications following ureterorenoscopy versus shockwave lithotripsy. METHODS: The New York State Department of Health Statewide Planning and Research Cooperative System (SPARCS) database was used to identify 226,331 patients who underwent index ureteroscopy or shockwave lithotripsy for renal stones from 2000 to 2016. Propensity-matched generalized linear-mixed modeling was utilized to compare failure and complication rates between the two procedure groups. RESULTS: 219,383 individuals meeting inclusion criteria who underwent either ureterorenoscopy (n = 124,342) or shockwave lithotripsy (n = 95,041) in New York State between 2000 and 2016 were included in our analysis. After propensity score matching, patients undergoing shockwave lithotripsy were found to have decreased odds of experiencing any type of 30-day complication (P < 0.001 for all) but increased odds of treatment failure at both 90 (OR 1.70, 95% CI 1.64-1.77) and 180 (OR 1.83, 95% CI 1.76-1.89) days (P < 0.001 for both). CONCLUSION: Patients undergoing shockwave lithotripsy experienced significantly higher odds of treatment failure, although this undesirable outcome appears to be partially offset by lower 30-day complication rates.


Asunto(s)
Litotricia , Complicaciones Posoperatorias/epidemiología , Ureteroscopía , Cálculos Urinarios/terapia , Adolescente , Adulto , Anciano , Femenino , Humanos , Masculino , Persona de Mediana Edad , Estudios Retrospectivos , Insuficiencia del Tratamiento , Resultado del Tratamiento , Adulto Joven
8.
J Vasc Interv Radiol ; 32(9): 1328-1340.e11, 2021 09.
Artículo en Inglés | MEDLINE | ID: mdl-34256123

RESUMEN

PURPOSE: To review and compare the outcomes of prostatic artery embolization (PAE) with 3 other minimally invasive surgical treatments for benign prostatic hyperplasia, including photoselective vaporization (PVP), prostatic urethral lift (PUL), and water vapor thermal therapy (WV). METHODS: A literature review was used to identify 35 publications, which included 2,653 patients (studies, patients): PVP (13, 949), PUL (9, 577), WV (3, 330), and PAE (10, 728). The international prostate symptom score (IPSS) and the international index of erectile function (IIEF-5) and quality of life (QOL) scores were recorded at baseline, 6 months, and 12 months. Meta-analyses, pooling the standardized mean difference between scores recorded before and after treatment, were conducted for each modality and time point to assess the magnitude of a therapy's effect to yield pooled effect sizes. A negative score indicates IPSS and QOL improvement. A positive score indicates IIEF-5 improvement. RESULTS: At 6 and 12 months, the IPSS and QOL were most improved after PVP, followed by that after PAE, PUL, and, lastly, WV (measured only at 12 months). Between 6 and 12 months, the IPSS and QOL improved with PAE and worsened with PVP and PUL. Only PAE demonstrated statistical improvement in the IIEF-5, which improved from 6 to 12 months. CONCLUSIONS: PVP and PAE resulted in the largest improvements in the IPSS and QOL. Only PAE resulted in improvement of the IIEF-5.


Asunto(s)
Embolización Terapéutica , Síntomas del Sistema Urinario Inferior , Hiperplasia Prostática , Humanos , Síntomas del Sistema Urinario Inferior/etiología , Síntomas del Sistema Urinario Inferior/terapia , Masculino , Hiperplasia Prostática/complicaciones , Hiperplasia Prostática/terapia , Calidad de Vida , Resultado del Tratamiento
9.
Curr Oncol Rep ; 22(7): 69, 2020 06 09.
Artículo en Inglés | MEDLINE | ID: mdl-32514631

RESUMEN

PURPOSE OF REVIEW: Small renal masses (≤ cT1a, less than 4 cm) are a subset of renal tumors with low malignant and metastatic potential but increasing incidence given increased use of cross-sectional imaging. Here, we review the diagnostic and treatment options available for the lesions. RECENT FINDINGS: While the low metastatic potential of SRMs has been known, recent studies show that 30% of SRMs removed surgically are benign. Renal biopsy is a tool that can be implemented to help with diagnosis before treatment (options of which include active surveillance, ablation, and surgery). Active surveillance might be associated with worse cancer-specific survival but all interventional methods appear to fare similarly. Advancements have also been made in percutaneous ablation techniques, and they now are included on multiple guideline statements. Active surveillance, surgery (PN and RN), and thermal ablation are all treatment options for SRMs with similar outcomes but varying side effects.


Asunto(s)
Neoplasias Renales/cirugía , Técnicas de Ablación , Biopsia , Humanos , Neoplasias Renales/diagnóstico , Neoplasias Renales/mortalidad , Neoplasias Renales/patología
11.
J Urol ; 202(1): 96-101, 2019 07.
Artículo en Inglés | MEDLINE | ID: mdl-30933552

RESUMEN

PURPOSE: We retrospectively investigated the Genomic Prostate Score® assay in clinical practice at an urban tertiary care academic center. MATERIALS AND METHODS: We reviewed all Genomic Prostate Score results acquired during a 3-year period. Changes in patient NCCN® (National Comprehensive Cancer Network®) risk group, including very low, low, intermediate or high risk, and ultimate management decisions were recorded. RESULTS: Genomic Prostate Score risk stratification was performed in 134 men. According to the NCCN Guidelines®, 31 of the 134 men (23.1%) were at very low risk, 45 (33.6%) were at low risk and 58 (43.3%) were at intermediate risk. After adding the score the risk group changed in 32 of 134 patients (23.9%). The risk group did not change in the 31 men at very low risk. However, in the low risk group the risk changed in 19 of the 45 men (42.2%), including in 15 to very low and in 4 to intermediate risk. Also, in the intermediate risk group the risk changed in 13 of the 58 men (22.4%), including to low in 12 and to high risk in 1. Nine of the 15 men (60%) in whom risk changed from low to very low elected active surveillance. Nine of the 12 patients (75%) at intermediate risk in whom risk changed to low risk elected active surveillance, 2 (16.7%) elected definitive therapy and in 1 (8.3%) the choice was unknown. Of the 45 men at intermediate risk in whom risk was unchanged 28 (62.2%) elected definitive therapy, 12 (26.0%) elected active surveillance and in 5 (11.1%) the choice was unknown. Of the 4 men upgraded from low to intermediate risk after adding the genomic prostate score 2 elected definitive therapy and 2 chose active surveillance. CONCLUSIONS: The Genomic Prostate Score has limited clinical usefulness in patients at very low risk since the NCCN risk group did not change. While it may be more useful for men at low and intermediate risk, for 32 (31%) of whose risk group was reclassified, clinical management decisions did not always appear to reflect these changes.


Asunto(s)
Biomarcadores de Tumor/genética , Perfilación de la Expresión Génica/métodos , Próstata/patología , Neoplasias de la Próstata/diagnóstico , Anciano , Biopsia con Aguja Gruesa , Toma de Decisiones Clínicas/métodos , Humanos , Masculino , Persona de Mediana Edad , Clasificación del Tumor , Selección de Paciente , Neoplasias de la Próstata/patología , Neoplasias de la Próstata/terapia , Estudios Retrospectivos , Medición de Riesgo/métodos , Factores de Riesgo
12.
J Vasc Interv Radiol ; 30(7): 1021-1026, 2019 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-31003843

RESUMEN

This article demonstrates the use of a representative commercially available automated vessel-tracking software originally intended for liver-only application (Vessel Assist Flight Plan for Liver; GE) in 4 patients. Treatment settings included embolization of small bowel hemorrhage source, treatment of renal cell carcinoma, management of symptomatic benign prostate hypertrophy, and detection with subsequent closure of a mesenteric pseudoaneurysm. All patients were treated successfully.


Asunto(s)
Aneurisma Falso/diagnóstico por imagen , Carcinoma de Células Renales/irrigación sanguínea , Angiografía por Tomografía Computarizada/métodos , Hemorragia Gastrointestinal/diagnóstico por imagen , Imagenología Tridimensional/métodos , Neoplasias Renales/irrigación sanguínea , Arteria Mesentérica Superior/diagnóstico por imagen , Hemorragia Posoperatoria/diagnóstico por imagen , Próstata/irrigación sanguínea , Hiperplasia Prostática/diagnóstico por imagen , Interpretación de Imagen Radiográfica Asistida por Computador/métodos , Arteria Renal/diagnóstico por imagen , Programas Informáticos , Anciano , Aneurisma Falso/terapia , Carcinoma de Células Renales/secundario , Carcinoma de Células Renales/terapia , Embolización Terapéutica , Femenino , Hemorragia Gastrointestinal/etiología , Hemorragia Gastrointestinal/terapia , Humanos , Neoplasias Renales/patología , Neoplasias Renales/terapia , Masculino , Pancreaticoduodenectomía/efectos adversos , Hemorragia Posoperatoria/etiología , Hemorragia Posoperatoria/terapia , Valor Predictivo de las Pruebas , Datos Preliminares , Hiperplasia Prostática/terapia , Radiografía Intervencional , Estudios Retrospectivos , Resultado del Tratamiento
13.
J Urol ; 200(3): 559-563, 2018 09.
Artículo en Inglés | MEDLINE | ID: mdl-29518433

RESUMEN

PURPOSE: We sought to determine the association between multiple regions of interest on prebiopsy magnetic resonance imaging and the detection of clinically significant prostate cancer in men undergoing magnetic resonance imaging-ultrasound fusion biopsy. MATERIALS AND METHODS: We performed a retrospective, single institution analysis of men who underwent fusion biopsy. Men with prior positive biopsies, magnetic resonance imaging performed elsewhere and/or magnetic resonance imaging prior to release of the PI-RADS™ (Prostate Imaging Reporting and Data System) version 2 were excluded from study, resulting in 381 participants. Modeled independent variables included patient age, number of regions of interest with a PI-RADS categorization of 3 or greater, body mass index, prostate specific antigen, prostate volume and PI-RADS categorization. Multivariable logistic regression was performed to determine factors associated with finding clinically significant prostate cancer (Gleason 7 or greater) on biopsy. RESULTS: Median age was 67.2 years (IQR (61.6-73.0) and median prostate specific antigen was 6.6 ng/ml (5.0-10.0). Adjusted analysis demonstrated that age (OR 1.10, 95% CI 1.06-1.15, p ≤0.001), body mass index (OR 1.08, 95% CI 1.01-1.16, p = 0.038) and prostate specific antigen (OR 1.06, 95% CI 1.01-1.10, p = 0.015) were associated with detection of clinically significant prostate cancer. PI-RADS categories 4 (OR 4.62, 95% CI 2.23-9.33) and 5 (OR 6.75, 95% CI 2.72-16.71, each p <0.001) were associated with greater odds of clinically significant prostate cancer. Multiple regions of interest were not associated with the detection of clinically significant prostate cancer (OR 1.05, 95% CI 0.60-1.84, p = 0.857). CONCLUSIONS: Multiple regions of interest do not portend a greater likelihood of finding clinically significant prostate cancer. Physicians should recognize that multiple regions of interest should not influence the decision to perform fusion biopsy. Our findings may ease patient anxiety concerning these findings.


Asunto(s)
Imagen por Resonancia Magnética Intervencional , Neoplasias de la Próstata/diagnóstico por imagen , Neoplasias de la Próstata/patología , Ultrasonografía Intervencional , Anciano , Humanos , Biopsia Guiada por Imagen , Imagen por Resonancia Magnética Intervencional/métodos , Masculino , Persona de Mediana Edad , Imagen Multimodal , Estudios Retrospectivos
14.
J Urol ; 199(6): 1488-1493, 2018 06.
Artículo en Inglés | MEDLINE | ID: mdl-29307684

RESUMEN

PURPOSE: The accumulation of data through a prospective, multicenter coordinated registry network is a practical way to gather real world evidence on the performance of novel prostate ablation technologies. Urological oncologists, targeted biopsy experts, industry representatives and representatives of the FDA (Food and Drug Administration) convened to discuss the role, feasibility and important data elements of a coordinated registry network to assess new and existing prostate ablation technologies. MATERIALS AND METHODS: A multiround Delphi consensus approach was performed which included the opinion of 15 expert urologists, representatives of the FDA and leadership from high intensity focused ultrasound device manufacturers. Stakeholders provided input in 3 consecutive rounds with conference calls following each round to obtain consensus on remaining items. Participants agreed that these elements initially developed for high intensity focused ultrasound are compatible with other prostate ablation technologies. Coordinated registry network elements were reviewed and supplemented with data elements from the FDA common study metrics. RESULTS: The working group reached consensus on capturing specific patient demographics, treatment details, oncologic outcomes, functional outcomes and complications. Validated health related quality of life questionnaires were selected to capture patient reported outcomes, including the IIEF-5 (International Index of Erectile Function-5), the I-PSS (International Prostate Symptom Score), the EPIC-26 (Expanded Prostate Cancer Index Composite-26) and the MSHQ-EjD (Male Sexual Health Questionnaire for Ejaculatory Dysfunction). Group consensus was to obtain followup multiparametric magnetic resonance imaging and prostate biopsy approximately 12 months after ablation with additional imaging or biopsy performed as clinically indicated. CONCLUSIONS: A national prostate ablation coordinated registry network brings forth vital practice pattern and outcomes data for this emerging treatment paradigm in the United States. Our multiple stakeholder consensus identifies critical elements to evaluate new and existing energy modalities and devices.


Asunto(s)
Próstata/cirugía , Neoplasias de la Próstata/cirugía , Sistema de Registros , Resección Transuretral de la Próstata/estadística & datos numéricos , Biopsia/normas , Consenso , Técnica Delphi , Estudios de Factibilidad , Humanos , Imagen por Resonancia Magnética/métodos , Imagen por Resonancia Magnética/normas , Imagen por Resonancia Magnética Intervencional/métodos , Imagen por Resonancia Magnética Intervencional/normas , Masculino , Medición de Resultados Informados por el Paciente , Cuidados Posoperatorios/métodos , Cuidados Posoperatorios/normas , Estudios Prospectivos , Próstata/diagnóstico por imagen , Próstata/patología , Neoplasias de la Próstata/patología , Calidad de Vida , Resección Transuretral de la Próstata/métodos , Resección Transuretral de la Próstata/normas , Estados Unidos
15.
J Urol ; 207(1): 92-93, 2022 01.
Artículo en Inglés | MEDLINE | ID: mdl-34633215
16.
J Urol ; 198(5): 1000-1009, 2017 11.
Artículo en Inglés | MEDLINE | ID: mdl-28433640

RESUMEN

PURPOSE: Advances in prostate imaging, biopsy and ablative technologies have been accompanied by growing enthusiasm for partial gland ablation, particularly using high-intensity focused ultrasound, to treat prostate cancer. Preserving noncancerous prostate tissue and minimizing damage to the neurovascular bundles and external urethral sphincter may improve functional outcomes. MATERIALS AND METHODS: A systematic review was performed following PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines using a combination of MeSH® terms, free text search and examination of relevant bibliographies using MEDLINE® and Embase® from the inception of each database through October 10, 2016. We excluded studies describing exclusively whole gland ablation, case reports and series where treatment was followed by immediate resection. RESULTS: A total of 13 studies that enrolled 543 patients were included. Of the studies 11 were performed in the primary setting and 2 in the salvage setting. Median followup ranged from 6 months to 10.6 years. Rates of posttreatment erectile dysfunction and urinary incontinence ranged from 0% to 48% and 0% to 50%, respectively, with definitions varying by study. Overall there were 254 reported complications. Marked heterogeneity between studies limited the ability to pool results regarding functional and oncologic outcomes. A total of 76 patients (14%) subsequently received further oncologic treatment. CONCLUSIONS: Early evidence suggests that partial gland ablation is a safe treatment option for men with localized disease. Longer term data are needed to evaluate oncologic efficacy and functional outcomes, and will aid in identifying the optimal candidates for therapy. Standardization of outcomes definitions will allow for better comparison between studies and among treatment modalities.


Asunto(s)
Neoplasias de la Próstata/terapia , Terapia Recuperativa/métodos , Ultrasonido Enfocado Transrectal de Alta Intensidad/métodos , Supervivencia sin Enfermedad , Humanos , Masculino , Resultado del Tratamiento
17.
Curr Opin Urol ; 27(2): 156-160, 2017 03.
Artículo en Inglés | MEDLINE | ID: mdl-28033149

RESUMEN

PURPOSE OF REVIEW: The index lesion theory has created a strong interest in partial gland ablation for men with prostate cancer. By only treating the focus of clinically significant disease and avoidance of surrounding periprostatic tissue, one may provide adequate oncologic control with minimal side effects. Accurate identification of the index lesion and effective ablation are critical for satisfactory oncologic outcomes. Herein, we review key ablative techniques used in partial gland ablation. RECENT FINDINGS: Increasing accuracy in identifying localized prostate cancer enabled the emergence of partial gland ablation, which appears to have acceptable short-term oncologic control with minimal side effects. Cryoablation, high-intensity focused ultrasound, focal laser ablation, and irreversible electroporation are emerging technologies that are demonstrating their utility in partial gland ablation. These different ablative techniques offer unique advantages and drawbacks in partial gland ablation of prostate cancer. SUMMARY: Prostate imaging continues to scale the challenge of accurately identifying clinically significant prostate cancer. Ablative techniques demonstrate acceptable short-term oncologic outcomes but will require longer follow-up to determine true oncologic efficacy. There are no randomized trial comparisons to conventional radical prostatectomy or radiotherapy, and there is limited oncologic follow-up beyond 5 years. The type of ablation technique used will likely depend on many factors such as tumor volume, tumor location, and patient characteristics. Oncologic efficacy, health-related quality of life, and advantages and limitations of each technique will be reviewed.


Asunto(s)
Criocirugía/métodos , Prostatectomía , Neoplasias de la Próstata/cirugía , Neoplasias de la Próstata/terapia , Técnicas de Ablación , Humanos , Masculino , Neoplasias de la Próstata/patología , Calidad de Vida , Resultado del Tratamiento
18.
BJU Int ; 118(3): 359-65, 2016 09.
Artículo en Inglés | MEDLINE | ID: mdl-27153766

RESUMEN

Prostatic haematuria is among the most common genitourinary complaints of emergency room visits, distressing and troublesome to men and a challenging clinical problem to the treating physician. The most common aetiologies of prostatic haematuria include benign prostatic hyperplasia and prostate cancer. Prostatic haematuria usually resolves with conservative and medical methods; failure of these interventions results in refractory haematuria of prostatic origin (RHPO), a potentially life-threatening scenario. Several different treatments have been described, with varying degrees of success. Patients with RHPO are often elderly and unfit for radical surgery. Prostate artery embolization (PAE) has evolved as a safe and effective technique in the management of RHPO. Use of a superselective approach optimizes clinical success while minimizing complications. This minimally invasive approach improves patients with haemodynamic instability, serves as a bridge to elective surgery, and is a highly effective treatment for RHPO. It may obviate the need for more invasive and morbid surgical therapies. The aim of the present review was to describe the current management of RHPO and the technique of PAE and to review its efficacy and associated morbidity.


Asunto(s)
Embolización Terapéutica , Hematuria/etiología , Hematuria/terapia , Próstata/irrigación sanguínea , Hiperplasia Prostática/complicaciones , Neoplasias de la Próstata/complicaciones , Arterias , Humanos , Masculino
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