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1.
J Gastrointest Surg ; 28(9): 1392-1399, 2024 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-38754809

RESUMO

BACKGROUND: Liver-directed treatments - ablative therapy (AT), surgical resection (SR), liver transplantation (LT), and transarterial chemoembolization (TACE) - improve the overall survival of patients with early-stage hepatocellular carcinoma (HCC). Although racial and socioeconomic disparities affect access to liver-directed therapies, the temporal trends for the curative-intent treatment of HCC remain to be elucidated. METHODS: This study performed chi-square, logistic regression, and temporal trends analyses on data from the Nationwide Inpatient Sample from 2011 to 2019. The outcome of interest was the rate of AT, SR, LT (curative-intent treatments), and TACE utilization, and the primary predictors were racial/ethnic group and socioeconomic status (SES; insurance status). RESULTS: African American and Hispanic patients had lower odds of receiving AT (African American: odds ratio [OR], 0.78; P < .001; Hispanic: OR, 0.84; P = .005) and SR (African American: OR, 0.71; P < .001; Hispanics: OR, 0.64; P < .001) than White patients. Compared with White patients, the odds of LT was lower in African American patients (OR, 0.76; P < .001) but higher in Hispanic patients (OR, 1.25; P = .001). Low SES was associated with worse odds of AT (OR, 0.79; P = .001), SR (OR, 0.66; P < .001), and LT (OR, 0.84; P = .028) compared with high SES. Although curative-intent treatments showed significant upward temporal trends among White patients (10.6%-13.9%; P < .001) and Asian and Pacific Islander/other patients (14.4%-15.7%; P = .007), there were nonsignificant trends among African American patients (10.9%-10.1%; P = .825) or Hispanic patients (12.2%-13.7%; P = .056). CONCLUSION: Our study demonstrated concerning disparities in the utilization of curative-intent treatment for HCC based on race/ethnicity and SES. Moreover, racial/ethnic disparities have widened rather than improved over time.


Assuntos
Carcinoma Hepatocelular , Quimioembolização Terapêutica , Disparidades em Assistência à Saúde , Hispânico ou Latino , Neoplasias Hepáticas , Transplante de Fígado , Humanos , Carcinoma Hepatocelular/terapia , Carcinoma Hepatocelular/etnologia , Neoplasias Hepáticas/terapia , Neoplasias Hepáticas/etnologia , Masculino , Feminino , Disparidades em Assistência à Saúde/estatística & dados numéricos , Disparidades em Assistência à Saúde/tendências , Pessoa de Meia-Idade , Hispânico ou Latino/estatística & dados numéricos , Quimioembolização Terapêutica/estatística & dados numéricos , Quimioembolização Terapêutica/tendências , Transplante de Fígado/estatística & dados numéricos , Transplante de Fígado/tendências , Idoso , Estados Unidos , Hepatectomia/estatística & dados numéricos , Hepatectomia/tendências , Negro ou Afro-Americano/estatística & dados numéricos , População Branca/estatística & dados numéricos , Técnicas de Ablação/estatística & dados numéricos , Técnicas de Ablação/tendências , Cobertura do Seguro/estatística & dados numéricos
3.
Urol Clin North Am ; 49(1): 129-152, 2022 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-34776047

RESUMO

Organ sparing approaches for the management of localized prostate cancer were developed in part to overcome the morbidity associated with standard, whole gland treatment options. The first description of focal therapy was now over two decades ago and since that time much has changed. The evolution of patient selection, the approach to ablation, and surveillance after focal therapy have mirrored the technologic advancements in the field as well as the improved understanding of the biology of low-grade, low-risk prostate cancer. This review presents the evidence for the basis of focal therapy from the past to the present and future endeavors.


Assuntos
Técnicas de Ablação/métodos , Seleção de Pacientes , Neoplasias da Próstata/patologia , Neoplasias da Próstata/cirurgia , Técnicas de Ablação/tendências , Humanos , Biópsia Guiada por Imagem/métodos , Masculino , Imagem Multimodal , Imageamento por Ressonância Magnética Multiparamétrica , Gradação de Tumores , Próstata/patologia , Neoplasias da Próstata/diagnóstico , Fatores de Risco , Ultrassonografia
4.
Curr Opin Endocrinol Diabetes Obes ; 28(3): 291-302, 2021 06 01.
Artigo em Inglês | MEDLINE | ID: mdl-33741778

RESUMO

PURPOSE OF REVIEW: To summarise the emerging role of thermal ablation as a therapeutic modality in the management of functioning adrenal tumours and metastases to the adrenal gland. RECENT FINDINGS: Observational evidence has demonstrated the benefit of thermal ablation in (i) resolving adrenal endocrinopathy arising from benign adenomas, (ii) treating solitary metastases to the adrenal and (iii) controlling metastatic adrenocortical carcinoma and phaeochromocytoma/paraganglioma. SUMMARY: Microwave thermal ablation offers a promising, minimally invasive therapeutic modality for the management of functioning adrenocortical adenomas and adrenal metastases. Appropriate technological design, treatment planning and choice of imaging modality are necessary to overcome technical challenges associated with this emerging therapeutic approach.


Assuntos
Técnicas de Ablação , Neoplasias das Glândulas Suprarrenais , Técnicas de Ablação/efeitos adversos , Técnicas de Ablação/métodos , Técnicas de Ablação/tendências , Doenças das Glândulas Suprarrenais/diagnóstico , Doenças das Glândulas Suprarrenais/cirurgia , Neoplasias das Glândulas Suprarrenais/diagnóstico , Neoplasias das Glândulas Suprarrenais/patologia , Neoplasias das Glândulas Suprarrenais/secundário , Neoplasias das Glândulas Suprarrenais/cirurgia , Humanos , Hipertermia Induzida/métodos , Hipertermia Induzida/tendências , Micro-Ondas/uso terapêutico , Ablação por Radiofrequência/métodos , Ablação por Radiofrequência/tendências
5.
Curr Urol Rep ; 22(1): 4, 2021 Jan 06.
Artigo em Inglês | MEDLINE | ID: mdl-33403529

RESUMO

PURPOSE OF REVIEW: Rezum® is a novel convection-based thermal therapy for benign prostatic hyperplasia (BPH) induced lower urinary tract symptoms (LUTS). This review provides an overview of its safety, efficacy, cost, and potential role in the paradigm of BPH/LUTS therapies. RECENT FINDINGS: Data regarding Rezum® stems primarily from one large randomized controlled trial of 197 patients with 4 years of follow-up. The efficacy and safety of Rezum® is further supported by 4 additional studies including 1 prospective pilot study, 1 crossover study, and 2 retrospective studies. Durable improvements in IPSS (47-60%), QoL (38-52%), Qmax (45-72%), and PVR (11-38%) were seen without causing deterioration of sexual function. Rezum® offers a cost-effective and safe approach to treating BPH/LUTS and should be considered as a possible first-line therapy for patients with moderate to severe symptoms.


Assuntos
Técnicas de Ablação/métodos , Sintomas do Trato Urinário Inferior/cirurgia , Hiperplasia Prostática/cirurgia , Vapor , Ressecção Transuretral da Próstata/métodos , Técnicas de Ablação/economia , Técnicas de Ablação/tendências , Convecção , Cistoscopia , Humanos , Hipertermia Induzida/economia , Hipertermia Induzida/métodos , Hipertermia Induzida/tendências , Sintomas do Trato Urinário Inferior/economia , Sintomas do Trato Urinário Inferior/etiologia , Imageamento por Ressonância Magnética , Masculino , Próstata/diagnóstico por imagem , Próstata/cirurgia , Hiperplasia Prostática/complicações , Hiperplasia Prostática/diagnóstico por imagem , Hiperplasia Prostática/economia , Ressecção Transuretral da Próstata/economia , Ressecção Transuretral da Próstata/tendências , Resultado do Tratamento
6.
J Vasc Surg Venous Lymphat Disord ; 9(1): 146-153.e2, 2021 01.
Artigo em Inglês | MEDLINE | ID: mdl-32360785

RESUMO

OBJECTIVE: The treatment of varicose veins has shifted during the past decade to the office setting. Although recent studies have demonstrated the safety of venous ablation for the elderly in the office, a paucity of data is available on the contemporary outcomes of surgery for varicose veins in the operating room. The present study analyzed the trends and outcomes of varicose vein surgery in the elderly using a large national database. METHODS: The American College of Surgeons National Surgical Quality Initiative Program database (2005-2017) was reviewed. Patients undergoing vein ablation or open surgery (ie, high ligation, stripping, phlebectomy) for venous insufficiency were identified using Current Procedural Terminology codes and the principal diagnosis. The patients were stratified into 3 age groups <65, 65 to 79, and ≥80 years. The preoperative and operative characteristics and outcomes were compared. Logistic regression was performed to identify the risk factors associated with any adverse event, defined as any morbidity or mortality. RESULTS: A total of 48,615 venous surgeries had been performed, with 9177 (18.9%) performed in patients aged 65 to 79 years and 1180 (2.4%) in patients aged ≥80 years. The proportion of patients in the 65- to 79-age group had steadily increased during the study period from 12.8% in 2005 to 22.3% in 2017 (P < .01). The proportion of patients aged ≥80 years had remained stable (P = .23). Patients aged ≥80 years had significantly more comorbidities, were more likely to have undergone vein ablation alone (P < .01), were more likely to be treated for ulceration (P < .01) and less likely to have received general anesthesia (P < .01) compared with the younger age groups. Overall morbidity increased significantly with increased age group (P < .01) but remained low (2.5%). Mortality was very low (0.02%) and not significantly different among the age groups. The factors independently associated with any adverse event were dialysis (odds ratio [OR], 7.12; 95% confidence interval [CI], 3.3-15.6), American Society of Anesthesiologists classification per unit increase (OR, 1.2; 95% CI, 1.02-1.3), use of general anesthesia (OR, 1.2; 95% CI, 1.0-1.4), and combined venous ablation and open procedures compared with venous ablation alone (OR, 1.3; 95% CI, 1.0-1.5). However, age was not associated with adverse events (OR, 1.0; 95% CI, 1.0-1.0). CONCLUSIONS: Varicose vein surgery is safe for all age groups and is being increasingly offered to the elderly. High-risk patients might benefit from the avoidance of hybrid procedures and general anesthesia when possible to minimize the occurrence of adverse events. Conservative measures should be exhausted before surgery for the dialysis population.


Assuntos
Técnicas de Ablação/tendências , Anestesia Geral/tendências , Hospitalização/tendências , Varizes/cirurgia , Procedimentos Cirúrgicos Vasculares/tendências , Insuficiência Venosa/cirurgia , Técnicas de Ablação/efeitos adversos , Técnicas de Ablação/mortalidade , Fatores Etários , Idoso , Idoso de 80 Anos ou mais , Anestesia Geral/efeitos adversos , Anestesia Geral/mortalidade , Bases de Dados Factuais , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Complicações Pós-Operatórias/etiologia , Estudos Retrospectivos , Medição de Risco , Fatores de Risco , Fatores de Tempo , Resultado do Tratamento , Estados Unidos , Varizes/diagnóstico por imagem , Varizes/mortalidade , Procedimentos Cirúrgicos Vasculares/efeitos adversos , Procedimentos Cirúrgicos Vasculares/mortalidade , Insuficiência Venosa/diagnóstico por imagem , Insuficiência Venosa/mortalidade
7.
Rev. guatemalteca cir ; 27(1): 69-74, 2021. ilus, tab
Artigo em Espanhol | LILACS, LIGCSA | ID: biblio-1373026

RESUMO

Las técnicas de termo ablación han revolucionado el tratamiento de la insuficiencia venosa crónica, siendo actualmente el estándar de tratamiento. Con el avance tecnológico han surgido nuevas técnicas quirúrgicas, no térmicas, no tumescentes; como el uso de cianocrilato para la oclusión venosa, el cual ha demostrado ser seguro y eficaz en el tratamiento, y tener menos complicaciones posoperatorias. Objetivo: Describir la experiencia en nuestro hospital con el uso de cianocrilato para la oclusión de vena safena mayor para el tratamiento de insuficiencia venosa crónica. Describir la eficacia a corto y mediano plazo del cierre, las complicaciones y la mejoría de la sintomatología utilizando el cuestionario CIVIQ-20 y EVA. Material y métodos: Estudio retrospectivo observacional. Entre enero y diciembre de 2019 que incluye a pacientes con insuficiencia de unión safeno femoral, sintomáticos. Con diagnóstico mediante clasificación CEAP y ultrasonido Doppler. Seguimiento clínico y ecográfico valorando oclusión de los segmentos tratados y presencia de venas varicosas a los 3 y 6 meses. Se trataron 5 pacientes con oclusión venosa con cianocrilato (100% mujeres). Valoramos la calidad de vida mediante cuestionario CIVIQ-20 y EVA (Escala Analógica Visual) previo y un mes después del procedimiento. También se describe la tasa de éxito y complicaciones inmediatas y tardías. Resultados: La totalidad de los procedimientos se realizaron con anestesia local, siendo bien tolerados. Con un éxito inmediato del 100 % sin necesidad de conversión. Solo se presentó como complicación urticaria en un paciente en el trayecto de la vena tratada con cianocrilato, la cual se trató con esteroides y resolvió. El CIVIQ-20 mostró mejoría global pasando de 35 a 29 puntos en promedio; siendo el parámetro de actividad física el que mostró una mejoría mayor. EVA demostró que la pesadez (principal síntoma) se redujo un 67%. Durante el seguimiento, ningún caso presento repermeabilización o recanalizaciones segmentarias. Conclusiones: El tratamiento endovenoso de la insuficiencia venosa crónica con las nuevas técnicas no térmicas, no tumescentes es seguro y efectivo. A corto-mediano plazo ofrecen resultados similares a las técnicas termoablativas obviando el inconveniente de la tumescencia y el uso de medias compresivas en el posoperatorio, evitando lesiones térmicas y observándose mejoría en la sintomatología. (AU)


Thermo ablation techniques have revolutionized the treatment of chronic venous insufficiency, being currently the standard of treatment. With technological advancement, new non-thermal, non-tumescent surgical techniques have emerged; such as the use of cyanoacrylate for venous occlusion, which has been shown to be safe and effective in treatment, and have fewer postoperative complications. Objective: To describe the experience in our hospital with the use of cyanoacrylate for occlusion of the greater saphenous vein for the treatment of chronic venous insufficiency. Describe the shortand medium-term efficacy of closure, complications, and symptom improvement using the CIVIQ-20 questionnaire and VAS. Material and methods: Retrospective observational study. Between January and December 2019 that includes patients with symptomatic saphenous femoral junction insufficiency. With diagnosis by CEAP classification and Doppler ultrasound. Clinical and ultrasound follow-up evaluating occlusion of the treated segments and the presence of varicose veins at 3 and 6 months. 5 patients with venous occlusion were treated with cyanoacrylate (100% women). We assessed the quality of life using the CIVIQ-20 questionnaire and VAS (Visual Analogue Scale) before and one month after the procedure. The immediate and late success rate and complications are also described. Results: All the procedures were performed under local anesthesia, being well tolerated. With immediate 100% success without the need for conversion. Urticaria only presented as a complication in a patient in the path of the vein treated with cyanoacrylate, which was treated with steroids and resolved. The CIVIQ-20 showed global improvement, going from 35 to 29 points on average; being the physical activity parameter the one that showed the greatest improvement. VAS showed that heaviness (main symptom) was reduced by 67%. During follow-up, no case presented segmental recanalization or recanalization. Conclusions: Endovenous treatment of chronic venous insufficiency with new non-thermal, non-tumescent techniques is safe and effective. In the short-medium term, they offer results similar to thermoablative techniques, avoiding the inconvenience of tumescence and the use of compression stockings in the postoperative period, avoiding thermal injuries and observing improvement in symptoms. (AU)


Assuntos
Humanos , Feminino , Adulto , Veia Safena/patologia , Insuficiência Venosa/complicações , Varizes/tratamento farmacológico , Cianoacrilatos/administração & dosagem , Técnicas de Ablação/tendências , Ablação por Radiofrequência/instrumentação
8.
Curr Urol Rep ; 21(12): 63, 2020 Nov 19.
Artigo em Inglês | MEDLINE | ID: mdl-33210174

RESUMO

PURPOSE OF REVIEW: To gain an understanding of current practices in the management of lower urinary tract symptoms (LUTSs) in the setting of benign prostatic hyperplasia (BPH). Including both medication therapy and emerging minimally invasive options including peri-procedure considerations, expected outcomes, and value-based considerations. RECENT FINDINGS: Medical therapy, primarily alpha blockers (ABs), and 5 alpha reductase inhibitors (5-ARI) remain the most commonly utilized intervention for LUTS associated with BPH. Several minimally invasive surgical treatments (MISTs) have emerged to provide efficacious and durable results, while largely sparing men from the sexual adverse effects of more invasive surgical options. The introduction of value-based health care has led to more cost-conscious medical care and is poised to influence the landscape of LUTS associated with BPH treatment. As the population-based and societal needs continue to influence medical care for men with LUTS associated with BPH, a paradigm shift in management is expected.


Assuntos
Inibidores de 5-alfa Redutase/uso terapêutico , Técnicas de Ablação/tendências , Antagonistas Adrenérgicos alfa/uso terapêutico , Sintomas do Trato Urinário Inferior/terapia , Dinâmica Populacional , Hiperplasia Prostática/terapia , Ressecção Transuretral da Próstata/tendências , Gerenciamento Clínico , Humanos , Sintomas do Trato Urinário Inferior/etiologia , Masculino , Procedimentos Cirúrgicos Minimamente Invasivos/tendências , Hiperplasia Prostática/complicações
9.
Curr Oncol Rep ; 22(10): 105, 2020 07 28.
Artigo em Inglês | MEDLINE | ID: mdl-32725433

RESUMO

PURPOSE OF REVIEW: Ablation techniques are now well-established treatment options available for the management of primary and secondary hepatic malignancies. Currently available ablative techniques include radiofrequency ablation (RFA), microwave ablation (MWA), cryoablation, and irreversible electroporation (IRE). Along with advances in navigational devices and targeting technologies, ablation combined with other therapies may be the next therapeutic option in thermal ablation. The purpose of this review is to evaluate the current status of ablative technologies in interventional and medical oncology for management of liver malignancies. RECENT FINDINGS: With the use of combination techniques (i.e., ablation and transarterial embolization procedures), thermal ablation is now moving toward treating tumors larger than 3 cm in size or tumors with macrovascular invasion. Ongoing trials are examining the optimum timing of combination therapies. Thermal ablation combined with hepatic resection may increase the number of patients with metastatic colorectal carcinoma to the liver who qualify for curative surgery. Combination therapies of thermal ablation and transarterial embolization allow for promising treatment responses for larger HCC. Surgery combined with thermal ablation can potentially increase the number of patients with metastatic colon cancer to the liver who qualify for curative surgery.


Assuntos
Técnicas de Ablação , Carcinoma Hepatocelular/terapia , Neoplasias Colorretais/terapia , Embolização Terapêutica , Neoplasias Hepáticas/terapia , Técnicas de Ablação/métodos , Técnicas de Ablação/tendências , Carcinoma Hepatocelular/patologia , Neoplasias Colorretais/secundário , Embolização Terapêutica/métodos , Embolização Terapêutica/tendências , Humanos , Neoplasias Hepáticas/patologia , Neoplasias Hepáticas/secundário , Resultado do Tratamento
10.
Cancer J ; 26(2): 137-143, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32205538

RESUMO

Our understanding of metastatic disease is rapidly advancing, with recent evidence supporting an oligometastatic state currently defined by patients having a limited (typically ≤5) number of metastatic deposits. The optimal management of these patients is also shifting toward increased integration of local therapies, with emerging evidence suggesting metastasis-directed therapy can improve overall survival. Additionally, the use of stereotactic ablative radiation therapy within castration-sensitive oligometastatic prostate cancer cohorts appears to forestall the need to initiate systemic therapy, which has unfavorable side effect profiles, such as androgen deprivation therapy, while itself being associated with little toxicity. We review the literature surrounding the use of metastasis-directed therapy in the treatment of oligometastatic prostate cancer by reviewing the evidence for its use within 3 subgroups: de novo synchronous, oligorecurrent, and oligoprogressive disease.


Assuntos
Técnicas de Ablação/métodos , Antagonistas de Androgênios/administração & dosagem , Quimiorradioterapia/métodos , Neoplasias da Próstata/terapia , Radiocirurgia/métodos , Técnicas de Ablação/efeitos adversos , Técnicas de Ablação/tendências , Antagonistas de Androgênios/efeitos adversos , Quimiorradioterapia/efeitos adversos , Quimiorradioterapia/tendências , Progressão da Doença , Intervalo Livre de Doença , Medicina Baseada em Evidências/métodos , Medicina Baseada em Evidências/tendências , Humanos , Masculino , Oncologia/métodos , Oncologia/tendências , Metástase Neoplásica/terapia , Seleção de Pacientes , Intervalo Livre de Progressão , Próstata/patologia , Próstata/cirurgia , Neoplasias da Próstata/mortalidade , Neoplasias da Próstata/patologia , Radiocirurgia/efeitos adversos , Radiocirurgia/tendências , Ensaios Clínicos Controlados Aleatórios como Assunto
11.
Cancer J ; 26(2): 166-173, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32205542

RESUMO

Oligometastatic disease (OMD) is generally defined as a stage of clinically or radiographically demonstrated metastatic disease limited in total disease burden and without rapid spread. Interventional oncology performs local therapies for primary and metastatic cancers, including OMD. Interventional oncology treatments can be pursued both as definitive therapy and for palliative purposes. Applied to OMD, these interventions can offer patients a decreasing overall tumor burden, minimizing cancer morbidity, and early evidence suggests a survival benefit. Here, we discuss the range of interventional oncology treatments, including ablation, chemoembolization, radioembolization, and irreversible electroporation. We describe the rationale for their application to OMD and discuss future directions for research.


Assuntos
Medicina Baseada em Evidências/métodos , Oncologia/métodos , Metástase Neoplásica/terapia , Neoplasias/terapia , Técnicas de Ablação/métodos , Técnicas de Ablação/tendências , Antineoplásicos/administração & dosagem , Quimioembolização Terapêutica/métodos , Quimioembolização Terapêutica/tendências , Ensaios Clínicos como Assunto , Eletroquimioterapia/métodos , Eletroquimioterapia/tendências , Medicina Baseada em Evidências/tendências , Humanos , Oncologia/tendências , Neoplasias/mortalidade , Neoplasias/patologia , Intervalo Livre de Progressão , Carga Tumoral
12.
J Vasc Interv Radiol ; 31(4): 564-571, 2020 04.
Artigo em Inglês | MEDLINE | ID: mdl-32127324

RESUMO

PURPOSE: To assess use of stereotactic body radiotherapy (SBRT) for stage I renal cell carcinoma (RCC) and compare outcomes with thermal ablation and partial nephrectomy (PN). MATERIALS AND METHODS: The 2004-2015 National Cancer Database was investigated for histopathologically proven stage I RCC treated with PN, cryoablation, radiofrequency (RF) or microwave (MW) ablation, or SBRT. Patients were propensity score-matched to account for potential confounders, including patient age, sex, race, comorbidities, tumor size, histology, grade, tumor sequence, administration of systemic therapy, treatment in academic vs nonacademic centers, treatment location, and year of diagnosis. Overall survival (OS) was evaluated with Kaplan-Meier plots, log-rank tests, and Cox proportional hazards models. RESULTS: A total of 91,965 patients were identified (SBRT, n = 174; PN, n = 82,913; cryoablation, n = 5,446; RF/MW ablation, n = 3,432). Stage I patients who received SBRT tended to be older women with few comorbidities treated at nonacademic centers in New England states. After propensity score matching, a cohort of 636 patients was obtained with well-balanced confounders between treatment groups. In the matched cohort, OS after SBRT was inferior to OS after PN and thermal ablation (PN vs SBRT, hazard ratio [HR] = 0.29, 95% confidence interval [CI] 0.19-0.46, P < .001; cryoablation vs SBRT, HR = 0.40, 95% CI 0.26-0.60, P < .001; RF/MW ablation vs SBRT, HR = 0.46, 95% CI 0.31-0.67, P < .001). Compared with PN, neither cryoablation nor RF/MW ablation showed significant difference in OS (cryoablation vs PN, HR = 1.35, 95% CI 0.80-2.28, P = .258; RF/MW ablation vs PN, HR = 0.64, 95% CI 0.95-2.55, P = .079). CONCLUSIONS: Current SBRT protocols show lower OS compared with thermal ablation and PN, whereas thermal ablation and PN demonstrate comparable outcomes.


Assuntos
Técnicas de Ablação/tendências , Carcinoma de Células Renais/radioterapia , Carcinoma de Células Renais/cirurgia , Neoplasias Renais/radioterapia , Neoplasias Renais/cirurgia , Nefrectomia/tendências , Padrões de Prática Médica/tendências , Radiocirurgia/tendências , Técnicas de Ablação/efeitos adversos , Idoso , Idoso de 80 Anos ou mais , Carcinoma de Células Renais/epidemiologia , Carcinoma de Células Renais/patologia , Ablação por Cateter/tendências , Criocirurgia/tendências , Bases de Dados Factuais , Feminino , Humanos , Neoplasias Renais/epidemiologia , Neoplasias Renais/patologia , Masculino , Micro-Ondas/uso terapêutico , Pessoa de Meia-Idade , Estadiamento de Neoplasias , Nefrectomia/efeitos adversos , Complicações Pós-Operatórias/epidemiologia , Lesões por Radiação/epidemiologia , Radiocirurgia/efeitos adversos , Medição de Risco , Fatores de Risco , Fatores de Tempo , Resultado do Tratamento , Estados Unidos/epidemiologia
13.
Expert Rev Med Devices ; 17(2): 123-130, 2020 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-31986921

RESUMO

Introduction: Brugada syndrome (BrS) is an inherited disease characterized by an increased risk of sudden cardiac death (SCD). Therapeutic options in symptomatic patients are limited to implantable cardioverter defibrillator (ICD) and quinidine, but catheter ablation of the right ventricular outflow tract (RVOT) offers a potential cure. Different ablation strategies have been used to treat patients with symptomatic Brugada syndrome. Epicardial radiofrequency substrate ablation of the RVOT/right ventricle (RV) has emerged as a promising tool for the management of the disease.Areas covered: The historical management of BrS, endocardial and epicardial ablation techniques, the use of sodium channel blockers (SCB) and complications are summarized here.Expert opinion: Ventricular fibrillation (VF)-triggering premature ventricular contractions (PVCs) in patients with BrS are unpredictable, spontaneous ones are rarely present to be mapped, making this approach impractical. Furthermore, endocardial mapping for BrS substrates does not seem effective due to the epicardial pathological substrate localization. The size variation of the BrS substrate areas during SCB infusion suggests a dynamic process as arrhythmogenic basis and SCB infusion should guide BrS epicardial ablation of all abnormal potentials areas. If BrS epicardial ablation can truly provide long-term prevention of ventricular arrhythmias it may potentially become an alternative to ICD therapy.


Assuntos
Técnicas de Ablação/tendências , Síndrome de Brugada/cirurgia , Mapeamento Epicárdico , Ventrículos do Coração/patologia , Humanos , Pericárdio/cirurgia , Toracoscopia
14.
Neurosurgery ; 87(1): 1-10, 2020 07 01.
Artigo em Inglês | MEDLINE | ID: mdl-31745558

RESUMO

The concept of focusing high-intensity ultrasound beams for the purpose of cerebral ablation has interested neurosurgeons for more than 70 yr. However, the need for a craniectomy or a cranial acoustic window hindered the clinical diffusion of this technique. Recent technological advances, including the development of phased-array transducers and magnetic resonance imaging technology, have rekindled the interest in ultrasound for ablative brain surgery and have led to the development of the transcranial magnetic resonance-guided focused ultrasound (MRgFUS) thermal ablation procedure. In the last decade, this method has become increasingly popular, and its clinical applications are broadening. Despite the demonstrated efficacy of MRgFUS, transcranial thermal ablation using ultrasound is limited in that it can target exclusively the central region of the brain where the multiple acoustic beams are most optimally focused. On the contrary, lesioning of the cortex, the superficial subcortical areas, and regions close to the skull base is not possible with the limited treatment envelope of current phased-array transducers. Therefore, new ultrasound ablative techniques, which are not based on thermal mechanisms, have been developed and tested in experimental settings. This review describes the mechanisms by which these novel, nonthermal ablative techniques are based and also presents the current clinical applications of MRgFUS thermal ablation.


Assuntos
Técnicas de Ablação/métodos , Encéfalo/cirurgia , Procedimentos Neurocirúrgicos/métodos , Procedimentos Neurocirúrgicos/tendências , Ultrassonografia/métodos , Técnicas de Ablação/tendências , Humanos , Neurocirurgia/métodos , Neurocirurgia/tendências , Cirurgia Assistida por Computador/métodos , Cirurgia Assistida por Computador/tendências , Ultrassonografia/tendências
15.
World J Gastroenterol ; 25(32): 4614-4628, 2019 Aug 28.
Artigo em Inglês | MEDLINE | ID: mdl-31528090

RESUMO

Liver cancers are the second most frequent cause of global cancer-related mortality of which 90% are attributable to hepatocellular carcinoma (HCC). Despite the advent of screening programmes for patients with known risk factors, a substantial number of patients are ineligible for curative surgery at presentation with limited outcomes achievable with systemic chemotherapy/external radiotherapy. This has led to the advent of numerous minimally invasive options including but not limited to trans-arterial chemoembolization, radiofrequency/microwave ablation and more recently selective internal radiation therapy many of which are often the first-line treatment for select stages of HCC or serve as a conduit to liver transplant. The authors aim to provide a comprehensive overview of these various image guided minimally invasive therapies with a brief focus on the technical aspects accompanied by a critical analysis of the literature to assess the most up-to-date evidence from comparative systematic reviews and meta-analyses finishing with an assessment of novel combination regimens and future directions of travel.


Assuntos
Carcinoma Hepatocelular/terapia , Gastroenterologia/métodos , Neoplasias Hepáticas/terapia , Oncologia/métodos , Técnicas de Ablação/métodos , Técnicas de Ablação/tendências , Antineoplásicos/administração & dosagem , Carcinoma Hepatocelular/mortalidade , Carcinoma Hepatocelular/patologia , Quimioembolização Terapêutica/métodos , Quimioembolização Terapêutica/tendências , Terapia Combinada/métodos , Terapia Combinada/tendências , Gastroenterologia/tendências , Humanos , Neoplasias Hepáticas/mortalidade , Neoplasias Hepáticas/patologia , Oncologia/tendências , Metanálise como Assunto , Procedimentos Cirúrgicos Minimamente Invasivos/métodos , Procedimentos Cirúrgicos Minimamente Invasivos/tendências , Estadiamento de Neoplasias , Intervalo Livre de Progressão , Radiografia Intervencionista/métodos , Radiografia Intervencionista/tendências , Revisões Sistemáticas como Assunto
16.
J Vasc Surg Venous Lymphat Disord ; 7(4): 471-479, 2019 07.
Artigo em Inglês | MEDLINE | ID: mdl-31203856

RESUMO

OBJECTIVE: The growth of endovenous ablation in the United States over the last few years has raised concerns of overuse by many vascular societies and payers. Reasons for such growth are unclear (ie, increased awareness, less invasive procedure, or inappropriate overuse). The Medicare Provider Utilization and Payment database was analyzed to define metrics of current practice trends in Medicare patients by providers. METHODS: The Medicare Provider Utilization and Payment database was queried for endothermal ablation Current Procedural Terminology codes (36475, 36476, 36478, and 36479) from 2012 through 2015. These results were imported into a relational database program. Queries were designed to ascertain the practice trends of all providers, inclusive of all specialties, and the data were exported to a spreadsheet program for analysis. Analysis for ablations per patient was calculated by assessing the number of beneficiaries who underwent at least one ablation by a provider in relation to the total number of ablations performed by that provider. RESULTS: Most saphenous vein ablations were done by vascular surgeons (29%), cardiologists (21%), or general surgeons (14%). The remaining one-third was performed by 33 other provider specialties ranging from nuclear medicine specialists to ophthalmologists. Regional variation was significant with 51% of ablations being performed in the south (Florida, 15.7% and Texas, 11.4%). The Western region had the greatest percentage growth of 62% with the addition of 14,788 cases added between 2012 and 2015. Ablations per patient averaged 1.8 in the aggregate dataset. Over the 4-year period, there was a steady increase seen in the number of patients undergoing ablation, number of ablations performed, number of providers performing ablation, average amount of ablations being performed as well as the number and proportion of providers performing more than ablations per patient. The number of ablations per patient was higher than average in specialties without any formal vascular training. CONCLUSIONS: Endovenous ablation is performed by a wide variety of subspecialists with different levels of formal training for the management of chronic venous disease. This data analysis can help to establish better guidelines and governance over the use of endovenous ablation, but care should be taken to realize this is only an average and many patients will require more than two ablations for appropriate care. As our health care system shifts from a fee-for-service to a value-based system, and taxpayer-funded resources in Medicare patients become less available, it is important that practice trends be scrutinized using data-driven initiatives so that the appropriate physician treats the appropriate patient for the appropriate reasons.


Assuntos
Técnicas de Ablação/tendências , Procedimentos Endovasculares/tendências , Disparidades em Assistência à Saúde/tendências , Medicare/tendências , Doença Arterial Periférica/cirurgia , Padrões de Prática Médica/tendências , Cirurgiões/tendências , Técnicas de Ablação/economia , Bases de Dados Factuais , Procedimentos Endovasculares/economia , Custos de Cuidados de Saúde/tendências , Disparidades em Assistência à Saúde/economia , Humanos , Medicare/economia , Doença Arterial Periférica/diagnóstico , Doença Arterial Periférica/economia , Doença Arterial Periférica/epidemiologia , Padrões de Prática Médica/economia , Estudos Retrospectivos , Especialização/tendências , Cirurgiões/economia , Fatores de Tempo , Estados Unidos/epidemiologia , Procedimentos Desnecessários/tendências
17.
Interv Cardiol Clin ; 8(3): 313-319, 2019 07.
Artigo em Inglês | MEDLINE | ID: mdl-31078187

RESUMO

Surgical mitral valve replacement in patients with severe annular calcification is a challenge for the cardiac surgeon. Surgical transatrial implantation of a transcatheter heart valve is an alternative for selected patients, in particular those at risk for obstruction of the left ventricular outflow tract or valve embolization. Herein, we review patient selection, surgical technique, and early outcomes after this novel hybrid procedure.


Assuntos
Átrios do Coração/cirurgia , Doenças das Valvas Cardíacas/cirurgia , Implante de Prótese de Valva Cardíaca/instrumentação , Insuficiência da Valva Mitral/cirurgia , Estenose da Valva Mitral/cirurgia , Técnicas de Ablação/métodos , Técnicas de Ablação/tendências , Calcinose/complicações , Calcinose/patologia , Calcinose/cirurgia , Cateterismo Cardíaco/métodos , Ecocardiografia , Feminino , Doenças das Valvas Cardíacas/complicações , Doenças das Valvas Cardíacas/diagnóstico por imagem , Implante de Prótese de Valva Cardíaca/métodos , Humanos , Valva Mitral/anatomia & histologia , Valva Mitral/diagnóstico por imagem , Valva Mitral/patologia , Insuficiência da Valva Mitral/diagnóstico por imagem , Insuficiência da Valva Mitral/etiologia , Estenose da Valva Mitral/diagnóstico por imagem , Estenose da Valva Mitral/etiologia , Seleção de Pacientes , Medição de Risco , Resultado do Tratamento , Obstrução do Fluxo Ventricular Externo/prevenção & controle , Obstrução do Fluxo Ventricular Externo/cirurgia
18.
Clin Colorectal Cancer ; 18(2): e200-e209, 2019 06.
Artigo em Inglês | MEDLINE | ID: mdl-30852125

RESUMO

Oncologic thermal ablation involves the use of hyperthermic temperatures to damage and treat solid cancers. Thermal ablation is being investigated as a method of treatment in colorectal cancers and has the potential to complement conventional anticancer treatments in managing local recurrence and metastatic disease. Photothermal therapy utilizes photosensitive agents to generate local heat and induce thermal ablation. There is growing interest in developing nanotechnology platforms to deliver such photosensitive agents. An advantage of nanomedicines is their multifunctionality, with the capability to deliver combinations of chemotherapeutics and cancer-imaging agents. To date, there have been no clinical studies evaluating photothermal therapy-based nanomedicines in colorectal cancers. This review presents the current scope of preclinical studies, investigating nanomedicines that have been developed for delivering multimodal photothermal therapy to colorectal cancers, with an emphasis on potential clinical applications.


Assuntos
Técnicas de Ablação/métodos , Neoplasias Colorretais/terapia , Hipertermia Induzida/métodos , Nanopartículas/administração & dosagem , Fármacos Fotossensibilizantes/administração & dosagem , Fototerapia/métodos , Técnicas de Ablação/tendências , Animais , Linhagem Celular Tumoral , Terapia Combinada/métodos , Terapia Combinada/tendências , Humanos , Hipertermia Induzida/tendências , Nanomedicina/métodos , Nanomedicina/tendências , Nanopartículas/efeitos da radiação , Fármacos Fotossensibilizantes/efeitos da radiação , Fototerapia/tendências , Resultado do Tratamento , Ensaios Antitumorais Modelo de Xenoenxerto
19.
J Geriatr Oncol ; 10(2): 285-291, 2019 03.
Artigo em Inglês | MEDLINE | ID: mdl-30528544

RESUMO

OBJECTIVE: Treatment of renal cell carcinoma has evolved with emphasis on nephron preservation for small renal masses. Our objective was to evaluate the proportions of treatment types for octogenarians with clinical stage 1 renal cell carcinoma. MATERIALS AND METHODS: The National Cancer Database was analyzed from 2004 to 2015. Patients with clinical stage 1, tumor size ≤ 7 cm, and age 80-89 years old were compared to a younger control arm of patients ≤ 70 years old. Treatment modality was categorized as radical nephrectomy (RN), partial nephrectomy (PN), percutaneous ablative therapy (PAT), and no treatment (NT). Primary outcome was treatment utilization over time using estimated annual percentage change (EAPC). Secondary outcomes included logistic regression for 30 day readmission after treatment and any definitive tumor treatment choice. RESULTS: 18,903 octogenarians were identified and compared to a control of 142,179 patients ≤ 70 years old. Overall, NT (36%) was the most common modality for octogenarians while PN (44.8%) was most common for the control arm. Using EAPC for octogenarians, we found increases for PAT (7.1%), PN (2.8%), and NT (1.6%) but a decrease for RN (-4.6%). EAPC for the younger cohort noted increases for PAT (6.8%), PN (5.4%), and NT (4.4%) but a decrease for RN (-5.5%). CONCLUSION: For octogenarians with stage 1 renal cell carcinoma, minimally invasive treatments are increasingly utilized, while RN is decreasing. Compared to a younger cohort, a greater proportion of octogenarians are receiving NT. These findings remain encouraging for appropriate treatment of localized disease in patients with advanced age.


Assuntos
Técnicas de Ablação/tendências , Carcinoma de Células Renais/cirurgia , Neoplasias Renais/cirurgia , Nefrectomia/tendências , Fatores Etários , Idoso , Idoso de 80 Anos ou mais , Carcinoma de Células Renais/mortalidade , Carcinoma de Células Renais/patologia , Causas de Morte , Criocirurgia/tendências , Bases de Dados Factuais , Feminino , Hospitais com Alto Volume de Atendimentos , Hospitais com Baixo Volume de Atendimentos , Humanos , Neoplasias Renais/mortalidade , Neoplasias Renais/patologia , Terapia a Laser/tendências , Modelos Logísticos , Masculino , Pessoa de Meia-Idade , Procedimentos Cirúrgicos Minimamente Invasivos/tendências , Mortalidade , Estadiamento de Neoplasias , Readmissão do Paciente/estatística & dados numéricos
20.
J Vasc Surg Venous Lymphat Disord ; 7(3): 344-348, 2019 May.
Artigo em Inglês | MEDLINE | ID: mdl-30442580

RESUMO

BACKGROUND: No clear data exist on the treatment patterns in patients with chronic venous disease. This study was designed to determine how such patients were treated in our center. METHODS: Consecutive patients presenting for a vein consultation at our center were collected during a 9-month period, allotting for at least 6 months of follow-up. All patients had a detailed history and physical examination by experienced vascular surgeons and a complete venous ultrasound evaluation by registered vascular technologists having experience in venous imaging. Charts were reviewed for patient factors including body mass index, age, clinical class (Clinical, Etiology, Anatomy, and Pathophysiology [CEAP] classification), and treatment. Deidentified data from the chart review were entered into a local database. Queries were designed to identify trends in the data. The results of the queries were exported to a spreadsheet program for analysis per patient and per limb. RESULTS: There were 506 patients evaluated for venous disease during a period of 9 months. We identified 200 patients with chronic venous disease who required superficial vein treatment. There were 136 (68%) women. Ablation was required in 156 patients (78%), whereas 44 (22%) required only adjunctive therapy (microphlebectomy or sclerotherapy). The average number of ablations in patients with venous disease was 1.3 (259 ablations in 200 patients). In patients who needed at least one ablation, the average was 1.7 ablations per patient (259 ablations in 156 patients). Unilateral ablation was done in 94 patients (60%), and 62 patients (40%) had bilateral treatment. Of those who underwent unilateral ablations, 61% required adjunctive treatment of the contralateral limb. In patients who required only adjunctive therapy (no ablation), 73% underwent bilateral treatment. There were 182 limbs (45.5%) that did not require ablation as no reflux was found in the saphenous systems. Of the 156 patients who underwent ablation, 218 limbs had at least one ablation; 52% of limbs had C2 disease and on average underwent 1.1 ablations/limb. Only 7 of 113 (6%) limbs required more than one ablation. Average ablations per limb increased with clinical class, C3 having 1.2 ablations/limb, C4 having 1.4 ablations/limb, and C5 and C6 having 1.56 ablations/limb. CONCLUSIONS: Patients with venous disease required on average 1.3 ablations/patient. Most (78%) require at least one ablation for an average of 1.7 ablations/patient. There were 182 limbs (45.5%) with no saphenous reflux that did not require an ablation. The average number of ablations/limb increased with CEAP class.


Assuntos
Técnicas de Ablação/tendências , Procedimentos Endovasculares/tendências , Padrões de Prática Médica/tendências , Escleroterapia/tendências , Doenças Vasculares/terapia , Veias/cirurgia , Técnicas de Ablação/efeitos adversos , Adulto , Idoso , Doença Crônica , Bases de Dados Factuais , Procedimentos Endovasculares/efeitos adversos , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Escleroterapia/efeitos adversos , Fatores de Tempo , Resultado do Tratamento , Doenças Vasculares/diagnóstico por imagem , Doenças Vasculares/fisiopatologia , Veias/diagnóstico por imagem , Veias/fisiopatologia , Adulto Jovem
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