Publications by authors named "Stephen T Smith"

Purpose: High-cost drugs impose a financial burden on patients with cancer. Karmanos Specialty Pharmacy (KSP) developed a process to automate financial assistance (FA) applications to decrease patient drug cost. We evaluate the outcomes of this program on cost to patients and payers.

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Aim: The purpose of this study was to perform a comparative cyclophosphamide contamination level test with Becton Dickinson® syringe plungers with Phaseal® Closed System Transfer Devices and Equashield® syringe plungers under routine oncological compounding conditions.

Method: The ChemoGlo™ sampling kit and analysis services were used to test for cyclophosphamide contamination levels on the syringe plungers of Becton Dickinson® Phaseal and Equashield® syringes that underwent cycles of drug transfer in a Forma Class II, 2A Biological Safety Cabinet. Prior to testing, the syringes were divided into three equal groups for the Equashield® and Becton Dickinson® syringes.

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Background: A recent report determined that the nationwide mortality for renal artery bypass (RAB) is surprisingly high-10%. We hypothesized that operative mortality for RAB is related to the volume of such operations performed in each center.

Methods: The Nationwide Inpatient Sample was analyzed to identify patients undergoing RAB for the years 2000-2005.

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Cefepime, a fourth generation cephalosporin, is widely used in hematology and oncology patients. These patients may require plasma exchange (PE) for indications such as chemotherapy- or cancer-induced thromobotic thrombocytopenic purpura to name a few. To date, no pharmacokinetic evaluation has been conducted assessing cefepime's disposition during PE.

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Background: Direct communication between an aortic prosthesis and the gastrointestinal (GI) tract may present with GI bleeding (aortoenteric fistulas [AEF]) or be incidental to a graft infection (paraprosthetic erosions [PPE]). The purposes of this study were to compare the outcomes of AEF versus PPE and to determine predictors of mortality associated with these lesions.

Study Design: Since 1992, 38 patients (23 men, 15 women; mean age 67 years) presented with AEF (n=16) or PPE (n=22).

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Previous reports suggest that percutaneous access for endovascular abdominal aortic aneurysm repair (P-EVAR) is as safe as open access (O-EVAR) in patients with favorable femoral anatomy. Severe femoral artery calcification and obesity have been considered relative contraindications to P-EVAR, but these criteria have not been evaluated. The purpose of this study was to assess the postoperative anatomic changes associated with P-EVAR versus O-EVAR using three-dimensional (3-D) computed tomographic (CT) reconstruction and to evaluate the overall results of the two procedures in a group of patients with suboptimal femoral anatomy.

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Prior to approval by the U.S. Food and Drug Administration of larger endografts (main body diameters up to 36 mm), small abdominal aortic aneurysms (AAAs, <5.

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Background: The management of concurrent carotid and coronary artery disease is controversial. Although single-center observational studies have revealed acceptable outcomes of combined carotid endarterectomy (CEA) and coronary artery bypass grafting (CABG), community-based outcomes have been substantially inferior. Recently, carotid artery stenting (CAS) has been introduced for the management of high-risk patients with carotid stenosis, including those with severe coronary artery disease.

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Background: The mortality rate for renal artery bypass grafting (RABG) is reported to be 0% to 4% for patients with renovascular hypertension and 4% to 7% for patients with ischemic nephropathy. However, these data come from high-volume referral centers known for their expertise in treating these conditions. Because of the relative infrequency of these operations in most vascular surgery practices, the nationwide outcomes for RABG are not known.

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The femoral-popliteal vein has proved to be an excellent conduit for a variety of indications. These include in situ reconstruction of infected aortic grafts, and mesenteric, brachiocephalic, and lower-extremity bypasses. This article discusses the technical details of successful deep vein harvest.

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Background: It is commonly assumed that the aortic wall deforms uniformly and has uniform wall thickness about the circumference. The purpose of this study was to evaluate the aortic wall motion and thickness in the infrarenal aortic neck of patients with abdominal aortic aneurysms who were undergoing endovascular repair (EVAR) and to compare the dynamic measurements of intravascular ultrasonography with the static measurements of computed tomographic angiography (CTA).

Methods: A total of 25 patients were evaluated before surgery with CTA and three-dimensional reconstructions on a Vitrea workstation, followed by intraoperative assessment of the proximal aortic neck with intravascular ultrasonography (IVUS) before EVAR.

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Objective: To evaluate percutaneous mechanical thrombectomy for deep venous thrombosis (DVT).

Design: A retrospective analysis.

Setting: Tertiary academic medical center.

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We report a case of a patient treated with a Gore Excluder endograft for AAA in November 2003 with subsequent aneurysm sac enlargement in the absence of an identified endoleak. The patient had a Type I endoleak treated with a Palmaz stent at the neck and later developed a Type II endoleak treated with translumbar coil embolization. This was successful with absence of pressure in the sac after the procedure and stable aneurysm size over the next nine months.

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