Publications by authors named "Curtiss Cook"

Purpose: Determine the association between clinical and demographic factors and 30-day readmission risk after pituitary surgery.

Methods: Patients undergoing pituitary surgery between January 2018 and December 2022 were retrospectively reviewed. Cases were extracted from a converged electronic health record that included surgeries performed at the Midwest, Southeast, and Southwest campuses of the same healthcare Enterprise.

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Objectives: The aim of this study was to compare outcomes of using intravenous insulin infusion (IVII) therapy for managing hyperglycemia in a non-intensive care unit (ICU) versus an ICU setting.

Methods: We conducted a retrospective analysis on patients who received IVII for hyperglycemia. The analysis compared variables associated with hypoglycemic events while on IVII, and point-of-care blood glucose control and insulin regimens at discharge.

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Objective: Automated insulin delivery (AID) systems are a rapidly growing component in the area of continuous subcutaneous insulin infusion (CSII) therapy. As more patients use these systems in the outpatient setting, it is important to assess safety if their use is allowed to continue in the inpatient setting.

Methods: Analysis was conducted of the records of patients using AID technology upon admission to our hospital between June 2020 and December 2022.

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Introduction: Inpatient hyperglycemia is an established independent risk factor among several patient cohorts for hospital readmission. This has not been studied after kidney transplantation. Nearly one-third of patients who have undergone a kidney transplant reportedly experience 30-day readmission.

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Diabetes Technology Society organized an expert consensus panel to develop metrics for research in the use of continuous glucose monitors (CGMs) in a hospital setting. The experts met virtually in small groups both before and after an April 13, 2023 virtual meeting of the entire panel. The goal of the panel was to develop consensus definitions in anticipation of greater use of CGMs in hospital settings in the future.

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Purpose Of Review: Inpatient glucose data analysis, or glucometrics, has developed alongside the growing emphasis on glycemic control in the hospital. Shortcomings in the initial capabilities for glucometrics have pushed advancements in defining meaningful units of measurement and methods for capturing glucose data. This review addresses the growth in glucometrics and ends with its promising new state.

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Aim: To determine overall survival (OS) and glycemic control in patients with cancer and diabetes.

Materials & methods: Patients of our institution with breast, colon, lung, pancreas and prostate cancer were retrospectively reviewed. OS was compared between matched patients with and without diabetes, and changes in glucose value over time were assessed.

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Background: Hybrid closed-loop (HCL) systems, also known as automated insulin delivery systems, are a rapidly growing technology in diabetes management. Because more patients are using these systems in the outpatient setting, it is important to also assess inpatient safety to determine whether HCL use can be continued when those patients become hospitalized.

Methods: The records of patients using HCL technology on admission to our hospital between June 1, 2020, and June 30, 2021, were analyzed.

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Background: A composite metric for the quality of glycemia from continuous glucose monitor (CGM) tracings could be useful for assisting with basic clinical interpretation of CGM data.

Methods: We assembled a data set of 14-day CGM tracings from 225 insulin-treated adults with diabetes. Using a balanced incomplete block design, 330 clinicians who were highly experienced with CGM analysis and interpretation ranked the CGM tracings from best to worst quality of glycemia.

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Autoimmune polyglandular syndromes (APS) are rare disorders characterized by auto-destruction of endocrine and non-endocrine organs by organ-specific antibody-directed T-lymphocytic infiltration. This case highlights a 29-year-old Caucasian man with vitiligo found to have significant neurological abnormalities in the setting of newly diagnosed pernicious anemia and thyroid autoimmune disease.

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Approximately eight billion therapeutic injections are administered outside of medical treatment facilities annually. The management of diabetes mellitus (DM) includes self-monitoring of blood glucose levels and administration of insulin and injectable non-insulin-related medications. The lancets, needles, and syringes used for DM management are categorized as medical sharps.

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Background: The use of inpatient location for the depiction of glycemic control is an alternative approach to the traditional analysis of hospital-derived glucometric data. Our aim was to develop a method of spatial representation and to test for corresponding statistical variation in inpatient glucose control data.

Methods: Point-of-care blood glucose data from inpatients with diabetes mellitus were extracted.

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Aim: We aimed to determine the impact of diabetes mellitus (DM) on survival of patients with neuroendocrine tumors (NETs) and of NETs on glycemic control.

Patients & Methods: Patients with newly diagnosed NETs with/without DM were matched 1:1 by age, sex and diagnosis year (2005-2017), and survival compared (Kaplan-Meier and Cox proportional hazards). Mixed models compared hemoglobin A (HbA) and glucose during the year after cancer diagnosis.

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Aim: This study examined the impact of diabetes mellitus (DM) on survival in squamous cell carcinoma (SCC) patients, and the impact of SCC on glycemic control.

Materials & Methods: Patients with newly diagnosed SCC with and without DM were matched 1:1 (2007-2017). Overall survival and recurrence-free survival were estimated using the Kaplan-Meier method.

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BACKGROUND New-onset diabetes after transplantation (NODAT) is a complication of solid organ transplantation. We sought to determine the extent to which NODAT goes undiagnosed over the course of 1 year following transplantation, analyze missed or later-diagnosed cases of NODAT due to poor hemoglobin A1c (HbA1c) and fasting blood glucose (FBG) collection, and to estimate the impact that improved NODAT screening metrics may have on long-term outcomes. MATERIAL AND METHODS This was a retrospective study utilizing 3 datasets from a single center on kidney, liver, and heart transplantation patients.

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Aim: To evaluate associations between survival and glycemic control in age-matched patients with endometrial or ovarian cancer, with/without diabetes mellitus (DM).

Patients & Methods: Patients with newly diagnosed ovarian or endometrial cancer with and without DM were compared.

Results: The study included 84 patients with ovarian cancer (28, DM); 96 with endometrial cancer (48 with, 48 without DM).

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Aim: We examined the effect of diabetes on survival in patients with lymphoma and the effect of lymphoma on glycemic control.

Patients & Methods: Patients with lymphoma with and without diabetes (2005-2016) were retrospectively identified and matched 1:1. Overall survival and progression-free survival were estimated by the Kaplan-Meier method.

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Aim: We examined the association between diabetes and survival in patients with acute and chronic myeloid leukemia and the association of leukemia with glycemic control.

Patients & Methods: Patients with leukemia with and without diabetes (2007-2015) were retrospectively identified and matched 1:1 (n = 70 per group). Overall survival was estimated by the Kaplan-Meier method.

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Aim: To evaluate overall survival (OS), glycemic control in cancer patients with and without diabetes mellitus (DM).

Patients & Methods: Patients (2010-2015) with newly diagnosed prostate, breast, lung, colorectal and pancreatic cancers were identified in institutional cancer registry. Data linked to National Death Index for vital status.

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This article is the work product of the Continuous Glucose Monitor and Automated Insulin Dosing Systems in the Hospital Consensus Guideline Panel, which was organized by Diabetes Technology Society and met virtually on April 23, 2020. The guideline panel consisted of 24 international experts in the use of continuous glucose monitors (CGMs) and automated insulin dosing (AID) systems representing adult endocrinology, pediatric endocrinology, obstetrics and gynecology, advanced practice nursing, diabetes care and education, clinical chemistry, bioengineering, and product liability law. The panelists reviewed the medical literature pertaining to five topics: (1) continuation of home CGMs after hospitalization, (2) initiation of CGMs in the hospital, (3) continuation of AID systems in the hospital, (4) logistics and hands-on care of hospitalized patients using CGMs and AID systems, and (5) data management of CGMs and AID systems in the hospital.

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Purpose: The aim of this study was to investigate adherence to a posthypoglycemic event-monitoring policy for inpatients with diabetes mellitus receiving insulin therapy.

Methods: We analyzed point-of-care blood glucose data from noncritically ill inpatients receiving insulin therapy who had a hypoglycemic event (<70 mg/dL glucose) from January 3, 2017, through April 7, 2018. Blood glucose was measured until 2 sequential readings showed hypoglycemia resolution.

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Objectives: This article aims to evaluate adult type 1 diabetes mellitus (T1DM) self-management behaviors (SMBs) related to exercise and alcohol on a survey versus a smartphone app to compare self-reported and self-tracked SMBs, and examine inter- and intrapatient variability.

Methods: Adults with T1DM on insulin pump therapy were surveyed about their alcohol, meal, and exercise SMBs. For 4 weeks, participants self-tracked their alcohol, meal, and exercise events, and their SMBs corresponding with these events via an investigator-developed app.

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Background: Most prior studies characterizing post-transplantation diabetes mellitus (PTDM) have been limited to single-cohort, single-organ studies. This retrospective study determined PTDM across organs by comparing incidence and risk factors among 346 liver and 407 kidney transplant recipients from a single center.

Methods: Univariate and multivariate regression-based analyses were conducted to determine association of various risk factors and PTDM in the two cohorts, as well as differences in glucometrics and insulin use across time points.

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This retrospective study analyzed glycemic trends, incidence of post-transplant diabetes mellitus (PTDM) incidence and associated risk factors in a cohort of patients who underwent first-time heart transplantation (HT). Univariate analyses compared patient with and without pretransplant diabetes mellitus (DM). Multivariate regression analyses were conducted to determine association between PTDM and different risk factors.

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