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1.
J Am Coll Radiol ; 21(3): 489-492, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-37813222

RESUMO

In recent years, there has a been a rapid and significant drop in the number of private practices in US radiology. Many factors have driven this change. One of the most important has been the corporatization of practices. In many cases, this involves third-party financing, one type of which is venture capital. This article will provide an introduction to the venture capital investment model for medical professionals.


Assuntos
Investimentos em Saúde , Radiologia , Humanos , Radiologistas
18.
J Hand Surg Am ; 20(5): 868-72, 1995 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-8522759

RESUMO

Twelve patients (15 hands) with documented scleroderma and chronic nonhealing digital ulcers were followed for their response to nonoperative and operative treatment. The patients were initially managed with nifedipine, biofeedback, digital xylocaine blockade, and silver sulfadiazine topical ointment and cessation of all vasoconstrictive agents. Ulcerations healed in 6 of 15 hands and remained healed at a 2-year follow-up examination. The remaining nine hands in seven patients failed nonoperative treatment and underwent a palmar digital sympathectomy. These chronic digital ulcerations healed within 6 weeks after surgery. After a 26- to 64-month follow-up period, six of the nine hands remained free of all digital ulcerations. Two patients (three hands) had partial recurrence of the ulceration. Digital sympathectomy can be an effective procedure for treating nonhealing digital ulcers in scleroderma patients after nonoperative treatment has failed. Significant vaso-occlusive disease is likely to be present in these patients, as demonstrated by arteriography. Our initial approach is cessation of all vasoconstricting agents, nifedipine biofeedback, and local antibiotic ointment. Wrist blocks with xylocaine and marcaine are offered if these modalities fail. If these methods do not result in healing of the ulcer within 12 weeks, then digital sympathectomy is considered.


Assuntos
Dedos , Escleroderma Sistêmico/complicações , Úlcera Cutânea/terapia , Adulto , Algoritmos , Anti-Infecciosos Locais/uso terapêutico , Doença Crônica , Terapia Combinada , Seguimentos , Humanos , Pessoa de Meia-Idade , Bloqueio Nervoso , Nifedipino/uso terapêutico , Sulfadiazina de Prata/uso terapêutico , Úlcera Cutânea/etiologia , Simpatectomia , Resultado do Tratamento , Vasodilatadores/uso terapêutico
20.
Am J Gastroenterol ; 85(2): 178-80, 1990 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-2301340

RESUMO

We present here an unusual case of a pancreatic gastrinoma that caused recurrent episodes of clinical pancreatitis secondary to complete obstruction of the main pancreatic duct. The patient did not manifest signs or symptoms of peptic ulcer disease.


Assuntos
Gastrinoma/diagnóstico , Neoplasias Pancreáticas/diagnóstico , Pancreatite/diagnóstico , Adulto , Doença Crônica , Diagnóstico Diferencial , Gastrinoma/patologia , Gastrinoma/cirurgia , Humanos , Masculino , Pâncreas/patologia , Pancreatectomia , Neoplasias Pancreáticas/patologia , Neoplasias Pancreáticas/cirurgia , Pancreatite/patologia , Recidiva
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