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Publication Record


Utilization of Cardiac Surveillance Tests in Survivors of Breast Cancer and Lymphoma After Anthracycline-Based Chemotherapy.
Ruddy KJ, Sangaralingham LR, Van Houten H, Nowsheen S, Sandhu N, Moslehi J, Neuman H, Jemal A, Haddad TC, Blaes AH, Villarraga HR, Thompson C, Shah ND, Herrmann J
(2020) Circ Cardiovasc Qual Outcomes 13: e005984
MeSH Terms: Administrative Claims, Healthcare, Adolescent, Adult, Aged, Anthracyclines, Antineoplastic Combined Chemotherapy Protocols, Breast Neoplasms, Cancer Survivors, Data Warehousing, Echocardiography, Female, Guideline Adherence, Heart Diseases, Humans, Lymphoma, Male, Middle Aged, Practice Guidelines as Topic, Practice Patterns, Physicians', Predictive Value of Tests, Retrospective Studies, Risk Assessment, Risk Factors, Time Factors, Treatment Outcome, United States, Young Adult
Show Abstract · Added May 29, 2020
BACKGROUND - The National Comprehensive Cancer Network and American Society of Clinical Oncology recommend consideration of the use of echocardiography 6 to 12 months after completion of anthracycline-based chemotherapy in at-risk populations. Assessment of BNP (B-type natriuretic peptide) has also been suggested by the American College of Cardiology/American Heart Association/Heart Failure Society of America for the identification of Stage A (at risk) heart failure patients. The real-world frequency of the use of these tests in patients after receipt of anthracycline therapy, however, has not been studied previously.
METHODS AND RESULTS - In this retrospective study, using administrative claims data from the OptumLabs Data Warehouse, we identified 31 447 breast cancer and lymphoma patients (age ≥18 years) who were treated with an anthracycline in the United States between January 1, 2008 and January 31, 2018. Continuous medical and pharmacy coverage was required for at least 6 months before the initial anthracycline dose and 12 months after the final dose. Only 36.1% of patients had any type of cardiac surveillance (echocardiography, BNP, or cardiac imaging) in the year following completion of anthracycline therapy (29.7% echocardiography). Surveillance rate increased from 37.5% in 2008 to 42.7% in 2018 (25.6% in 2008 to 40.5% echocardiography in 2018). Lymphoma patients had a lower likelihood of any surveillance compared with patients with breast cancer (odds ratio, 0.79 [95% CI, 0.74-0.85]; <0.001). Patients with preexisting diagnoses of coronary artery disease and arrhythmia had the highest likelihood of cardiac surveillance (odds ratio, 1.54 [95% CI, 1.39-1.69] and odds ratio, 1.42 [95% CI, 1.3-1.53]; <0.001 for both), although no single comorbidity was associated with a >50% rate of surveillance.
CONCLUSIONS - The majority of survivors of breast cancer and lymphoma who have received anthracycline-based chemotherapy do not undergo cardiac surveillance after treatment, including those with a history of cardiovascular comorbidities, such as heart failure.
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27 MeSH Terms
Human papillomavirus vaccination completion rates among gynecological providers: an institutional retrospective review.
Elsamadicy EA, Schneiter MK, Hull PC, Khabele D
(2019) Hum Vaccin Immunother 15: 1851-1855
MeSH Terms: Adult, Female, Gynecology, Health Knowledge, Attitudes, Practice, Humans, Papillomavirus Infections, Papillomavirus Vaccines, Patient Acceptance of Health Care, Physicians, Practice Patterns, Physicians', Retrospective Studies, Vaccination, Young Adult
Show Abstract · Added July 11, 2019
: The primary aim of this study is to assess and characterize correlates of human papillomavirus (HPV) vaccine series completion among young adult women evaluated by gynecological (GYN) providers at a single institution and to measure changes over 4-y period. : At a major academic center, the medical records of 845 women administered the HPV vaccine series by a GYN provider were retrospectively reviewed from 2006 to 2010 and 2014 to 2015. Patients were grouped based on the date of vaccine initiation into "earlier" (2006-2010) and "later" (2014-2015) cohorts. Patient demographics, dates of vaccine administration, and practice locations where vaccines were administered were collected. Patients who received all 3 vaccines within 6 months were deemed "complete". Patients seen by a provider but did not receive the vaccination were deemed "missed opportunities". The primary outcome was completion of HPV vaccination according to the ACIP guidelines. : The 845 patients were divided into earlier (n = 399) and later (n = 446) cohorts. There was no statistically significant difference in completion rates between the earlier-cohort compared to the later-cohort (). Age at initiation were similar (), with the complete cohort having a significantly lower body mass index (BMI) than the incomplete cohort (). There was a significant difference between the completion rates among race/ethnic groups ( = .036). African-American and Hispanic ( patient-populations had the lowest completion rates and higher missed opportunities. : Our study found an overall low completion rate in both earlier and later cohorts. Additionally, higher BMI and African-American and Hispanic race/ethnicity were associated with low vaccine completion.
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13 MeSH Terms
Anaphylactoid Reactions After Instillation of Contrast Material Into the Urinary Tract: A Survey of Contemporary Practice Patterns and Review of the Literature.
Dai JC, Brisbane WG, Chang HC, Hsi RS, Harper JD
(2018) Urology 122: 58-63
MeSH Terms: Anaphylaxis, Contrast Media, Drug Hypersensitivity, Endoscopy, Humans, Incidence, Instillation, Drug, Practice Guidelines as Topic, Practice Patterns, Physicians', Societies, Medical, Surveys and Questionnaires, Urinary Tract, Urologists, Urology
Show Abstract · Added February 26, 2019
OBJECTIVE - To assess drug reactions (ADRs) encountered by practicing urologists for contrast instilled into the urinary collecting system, and to describe current practice patterns regarding contrast administration into the urinary tract for patients with known contrast allergies.
METHODS - Endourological Society members were e-mailed a web-based survey about their prior experience with contrast-related ADRs and practices for contrast administration into the urinary tract among patients with known intravenous contrast allergies. Chi-squared analysis was used to compare management patterns between patients with established allergies and those without.
RESULTS - An estimated 2300-2500 e-mails were reached, resulting in an estimated response rate of 6.3%-8%. Over 75% of respondents were fellowship trained. Average time in practice was 16 years, and respondents performed a mean of 6.7 urologic contrast studies per week. Among respondents, 32.6%, 14.7%, and 4.0% had treated at least 1 patient with a mild, moderate, or severe reaction, respectively. Contrast-related ADRs were most commonly associated with retrograde pyelogram (50%). For patients with known contrast allergies, 5.4% pursue additional work-up before administering contrast in the urinary tract. Pretreatment with antihistamine or steroids is used by 24.8% and 23.4%, respectively. When performing retrograde pyelograms for such patients, urologists are more likely to use dilute contrast (P = .003), but otherwise do not significantly alter technique.
CONCLUSION - Contrast ADRs are encountered not infrequently among practicing urologists. There is notable practice variation in the management of patients with known contrast allergies, though the overall perceived risk of contrast use in these patients is low, provided good technique is used.
Copyright © 2018 Elsevier Inc. All rights reserved.
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14 MeSH Terms
Changing patterns of patent ductus arteriosus surgical ligation in the United States.
Reese J, Scott TA, Patrick SW
(2018) Semin Perinatol 42: 253-261
MeSH Terms: Cerebral Intraventricular Hemorrhage, Cross-Sectional Studies, Ductus Arteriosus, Patent, Enterocolitis, Necrotizing, Female, Humans, Infant, Extremely Low Birth Weight, Infant, Newborn, Infant, Very Low Birth Weight, Ligation, Male, Practice Patterns, Physicians', Retrospective Studies, Treatment Outcome, United States, Vocal Cord Paralysis
Show Abstract · Added November 26, 2018
Optimal management of patent ductus arteriosus (PDA) is unclear. One treatment, surgical ligation, is associated with adverse outcomes. We reviewed data from the Kids' Inpatient Database (2000-2012) to determine if PDA ligation rates: (1) changed over time, (2) varied geographically, or (3) influenced surgical complication rates. In 2012, 47,900 infants <1500g birth weight were born in the United States, including 2,800 undergoing PDA ligation (5.9%). Ligation was more likely in infants <1000g (85.9% vs. 46.2%), and associated with necrotizing enterocolitis (59.2% vs. 37.5%), BPD (54.6% vs. 15.2%), severe intraventricular hemorrhage (16.4% vs. 5.3%), and hospital transfer (37.6% vs. 16.4%). Ligation rates peaked in 2006 at 87.4 per 1000 hospital births, dropping to 58.8 in 2012, and were consistently higher in Western states. Infants undergoing ligation were more likely to experience comorbidities. Rates of ligation-associated vocal cord paralysis increased over time (1.2-3.9%); however, mortality decreased (12.4-6.5%). Thus, PDA ligation has become less frequent, although infants being ligated are smaller and more medically complex. Despite increase in some complications, mortality rates improved perhaps reflecting advances in care.
Copyright © 2018 Elsevier Inc. All rights reserved.
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16 MeSH Terms
Variability in Immunization Practices for Preterm Infants.
Gopal SH, Edwards KM, Creech B, Weitkamp JH
(2018) Am J Perinatol 35: 1394-1398
MeSH Terms: Apnea, Birth Weight, Bradycardia, Gestational Age, Humans, Immunization Schedule, Infant, Infant, Low Birth Weight, Infant, Newborn, Infant, Premature, Intensive Care Units, Neonatal, Neonatologists, Practice Patterns, Physicians', United States, Vaccination
Show Abstract · Added April 16, 2021
INTRODUCTION - The Advisory Committee on Immunization Practices and the American Academy of Pediatrics (AAP) recommend the same immunization schedule for preterm and term infants. However, significant delays in vaccination of premature infants have been reported.
OBJECTIVE - The objective of this study was to assess the variability of immunization practices in preterm infants.
STUDY DESIGN - We conducted an online survey of 2,443 neonatologists in the United States, who are members of the Section for Neonatal-Perinatal Medicine of the AAP. Questions were targeted at immunization practices in the neonatal intensive care unit (NICU).
RESULTS - Of the 420 responses (17%) received, 55% of providers administer the first vaccine at >2-month chronological age. Most providers (83%) surveyed reported delaying vaccines in the setting of clinical illness. Sixty percent reported increasing frequency of apnea-bradycardia events following immunization. More than half administer the initial vaccines over several days despite lack of supporting data. Reported considerations in delaying or spreading out 2-month vaccines were clinical instability, provider preference, lower gestational age, and lower birth weight.
CONCLUSION - This survey substantiates the variability of immunizations practices in the NICU and identifies reasons for this variability. Future studies should inform better practice guidance for immunization of preterm NICU patients based on vaccine safety and effectiveness.
Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.
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MeSH Terms
Treatment Practices and Outcomes After Blunt Cerebrovascular Injury in Children.
Dewan MC, Ravindra VM, Gannon S, Prather CT, Yang GL, Jordan LC, Limbrick D, Jea A, Riva-Cambrin J, Naftel RP
(2016) Neurosurgery 79: 872-878
MeSH Terms: Adolescent, Age Factors, Anticoagulants, Cerebrovascular Trauma, Child, Child, Preschool, Disease Progression, Female, Glasgow Coma Scale, Humans, Male, Platelet Aggregation Inhibitors, Practice Patterns, Physicians', Retrospective Studies, Tomography, X-Ray Computed, Trauma Centers, Treatment Outcome, Wounds, Nonpenetrating
Show Abstract · Added March 24, 2020
BACKGROUND - Pediatric blunt cerebrovascular injury (BCVI) lacks accepted treatment algorithms, and postinjury outcomes are ill defined.
OBJECTIVE - To compare treatment practices among pediatric trauma centers and to describe outcomes for available treatment modalities.
METHODS - Clinical and radiographic data were collected from a patient cohort with BCVI between 2003 and 2013 at 4 academic pediatric trauma centers.
RESULTS - Among 645 pediatric patients evaluated with computed tomography angiography for BCVI, 57 vascular injuries (82% carotid artery, 18% vertebral artery) were diagnosed in 52 patients. Grade I (58%) and II (23%) injuries accounted for most lesions. Severe intracranial or intra-abdominal hemorrhage precluded antithrombotic therapy in 10 patients. Among the remaining patients, primary therapy was an antiplatelet agent in 14 (33%), anticoagulation in 8 (19%), endovascular intervention in 3 (7%), open surgery in 1 (2%), and no treatment in 16 (38%). Among 27 eligible grade I injuries, 16 (59%) were not treated, and the choice to not treat varied significantly among centers (P < .001). There were no complications from medical management. Glasgow Coma Scale (GCS) score <8 and increasing injury grade were predictors of injury progression (P = .001 and .004, respectively). Poor GCS score (P = .02), increasing injury grade (P = .03), and concomitant intracranial injury (P = .02) correlated with increased risk of mortality. Treatment modality did not correlate with progression of vascular injury or mortality.
CONCLUSION - Treatment of BCVI with antiplatelet or anticoagulant therapy is safe and may confer modest benefit. Nonmodifiable factors, including presenting GCS score, vascular injury grade, and additional intracranial injury, remain the most important predictors of poor outcome.
ABBREVIATIONS - ATT, antithrombotic therapyBCVI, blunt cerebrovascular injuryCTA, computed tomography angiographyGCS, Glasgow Coma Scale.
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Provider Knowledge, Attitudes, and Practices Surrounding Conservative Management for Patients with Advanced CKD.
Parvez S, Abdel-Kader K, Pankratz VS, Song MK, Unruh M
(2016) Clin J Am Soc Nephrol 11: 812-20
MeSH Terms: Adult, Aged, Attitude of Health Personnel, Clinical Competence, Conservative Treatment, Female, Health Care Surveys, Health Knowledge, Attitudes, Practice, Humans, Kidney Failure, Chronic, Male, Middle Aged, Nephrology, Patient Participation, Practice Patterns, Physicians', Primary Health Care, United States, Young Adult
Show Abstract · Added November 29, 2018
BACKGROUND AND OBJECTIVES - Despite the potential benefits of conservative management, providers rarely discuss it as a viable treatment option for patients with advanced CKD. This survey was to describe the knowledge, attitudes, and practices of nephrologists and primary care providers regarding conservative management for patients with advanced CKD in the United States.
DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS - We developed a questionnaire on the basis of a literature review to include items assessing knowledge, attitudes, and self-reported practices of conservative management for patients with advanced CKD. Potential participants were identified using the American Medical Association Physician Masterfile. We then conducted a web-based survey between April and May of 2015.
RESULTS - In total, 431 (67.6% nephrologists and 32.4% primary care providers) providers completed the survey for a crude response rate of 2.7%. The respondents were generally white, men, and in their 30s and 40s. Most primary care provider (83.5%) and nephrology (78.2%) respondents reported that they were likely to discuss conservative management with their older patients with advanced CKD. Self-reported number of patients managed conservatively was >11 patients for 30.6% of nephrologists and 49.2% of primary care providers. Nephrologists were more likely to endorse difficulty determining whether a patient with CKD would benefit from conservative management (52.8% versus 36.2% of primary care providers), whereas primary care providers were more likely to endorse limited information on effectiveness (49.6% versus 24.5% of nephrologists) and difficulty determining eligibility for conservative management (42.5% versus 14.3% of nephrologists). There were also significant differences in knowledge between the groups, with primary care providers reporting more uncertainty about relative survival rates with conservative management compared with different patient groups.
CONCLUSIONS - Both nephrologists and primary care providers reported being comfortable with discussing conservative management with their patients. However, both provider groups identified lack of United States data on outcomes of conservative management and characteristics of patients who would benefit from conservative management as barriers to recommending conservative management in practice.
Copyright © 2016 by the American Society of Nephrology.
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Treatment Gaps in Adults With Heterozygous Familial Hypercholesterolemia in the United States: Data From the CASCADE-FH Registry.
deGoma EM, Ahmad ZS, O'Brien EC, Kindt I, Shrader P, Newman CB, Pokharel Y, Baum SJ, Hemphill LC, Hudgins LC, Ahmed CD, Gidding SS, Duffy D, Neal W, Wilemon K, Roe MT, Rader DJ, Ballantyne CM, Linton MF, Duell PB, Shapiro MD, Moriarty PM, Knowles JW
(2016) Circ Cardiovasc Genet 9: 240-9
MeSH Terms: Adult, Aged, Biomarkers, Chi-Square Distribution, Cholesterol, LDL, Comorbidity, Coronary Disease, Cross-Sectional Studies, Diabetes Mellitus, Down-Regulation, Early Diagnosis, Female, Genetic Predisposition to Disease, Guideline Adherence, Heterozygote, Humans, Hydroxymethylglutaryl-CoA Reductase Inhibitors, Hyperlipoproteinemia Type II, Hypertension, Logistic Models, Male, Middle Aged, Multivariate Analysis, Odds Ratio, Phenotype, Practice Guidelines as Topic, Practice Patterns, Physicians', Predictive Value of Tests, Prevalence, Professional Practice Gaps, Registries, Risk Factors, Time Factors, Treatment Outcome, United States
Show Abstract · Added April 10, 2018
BACKGROUND - Cardiovascular disease burden and treatment patterns among patients with familial hypercholesterolemia (FH) in the United States remain poorly described. In 2013, the FH Foundation launched the Cascade Screening for Awareness and Detection (CASCADE) of FH Registry to address this knowledge gap.
METHODS AND RESULTS - We conducted a cross-sectional analysis of 1295 adults with heterozygous FH enrolled in the CASCADE-FH Registry from 11 US lipid clinics. Median age at initiation of lipid-lowering therapy was 39 years, and median age at FH diagnosis was 47 years. Prevalent coronary heart disease was reported in 36% of patients, and 61% exhibited 1 or more modifiable risk factors. Median untreated low-density lipoprotein cholesterol (LDL-C) was 239 mg/dL. At enrollment, median LDL-C was 141 mg/dL; 42% of patients were taking high-intensity statin therapy and 45% received >1 LDL-lowering medication. Among FH patients receiving LDL-lowering medication(s), 25% achieved an LDL-C <100 mg/dL and 41% achieved a ≥50% LDL-C reduction. Factors associated with prevalent coronary heart disease included diabetes mellitus (adjusted odds ratio 1.74; 95% confidence interval 1.08-2.82) and hypertension (2.48; 1.92-3.21). Factors associated with a ≥50% LDL-C reduction from untreated levels included high-intensity statin use (7.33; 1.86-28.86) and use of >1 LDL-lowering medication (1.80; 1.34-2.41).
CONCLUSIONS - FH patients in the CASCADE-FH Registry are diagnosed late in life and often do not achieve adequate LDL-C lowering, despite a high prevalence of coronary heart disease and risk factors. These findings highlight the need for earlier diagnosis of FH and initiation of lipid-lowering therapy, more consistent use of guideline-recommended LDL-lowering therapy, and comprehensive management of traditional coronary heart disease risk factors.
© 2016 American Heart Association, Inc.
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Physician response to implementation of genotype-tailored antiplatelet therapy.
Peterson JF, Field JR, Unertl KM, Schildcrout JS, Johnson DC, Shi Y, Danciu I, Cleator JH, Pulley JM, McPherson JA, Denny JC, Laposata M, Roden DM, Johnson KB
(2016) Clin Pharmacol Ther 100: 67-74
MeSH Terms: Age Factors, Aged, Clinical Decision-Making, Clopidogrel, Cytochrome P-450 CYP2C19, Female, Genetic Variation, Genotype, Humans, Male, Middle Aged, Pharmacogenetics, Platelet Aggregation Inhibitors, Practice Patterns, Physicians', Precision Medicine, Prospective Studies, Stents, Ticlopidine
Show Abstract · Added March 14, 2018
Physician responses to genomic information are vital to the success of precision medicine initiatives. We prospectively studied a pharmacogenomics implementation program for the propensity of clinicians to select antiplatelet therapy based on CYP2C19 loss-of-function variants in stented patients. Among 2,676 patients, 514 (19.2%) were found to have a CYP2C19 variant affecting clopidogrel metabolism. For the majority (93.6%) of the cohort, cardiologists received active and direct notification of CYP2C19 status. Over 12 months, 57.6% of poor metabolizers and 33.2% of intermediate metabolizers received alternatives to clopidogrel. CYP2C19 variant status was the most influential factor impacting the prescribing decision (hazard ratio [HR] in poor metabolizers 8.1, 95% confidence interval [CI] [5.4, 12.2] and HR 5.0, 95% CI [4.0, 6.3] in intermediate metabolizers), followed by patient age and type of stent implanted. We conclude that cardiologists tailored antiplatelet therapy for a minority of patients with a CYP2C19 variant and considered both genomic and nongenomic risks in their clinical decision-making.
© 2015 American Society for Clinical Pharmacology and Therapeutics.
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18 MeSH Terms
Catheter Insertion and Perioperative Practices Within the ISPD North American Research Consortium.
Wallace EL, Fissell RB, Golper TA, Blake PG, Lewin AM, Oliver MJ, Quinn RR
(2016) Perit Dial Int 36: 382-6
MeSH Terms: Canada, Catheterization, Catheters, Indwelling, Humans, Kidney Failure, Chronic, Laparoscopy, Peritoneal Dialysis, Practice Patterns, Physicians', Quality Improvement, United States
Show Abstract · Added November 5, 2015
BACKGROUND - In general, efforts to standardize care based on group consensus practice guidelines have resulted in lower morbidity and mortality. Although there are published guidelines regarding insertion and perioperative management of peritoneal dialysis (PD) catheters, variation in practice patterns between centers may exist. The objective of this study is to understand variation in PD catheter insertion practices in preparation for conducting future studies. ♦
METHODS - An electronic survey was developed by the research committee of the International Society for Peritoneal Dialysis - North American Research Consortium (ISPD-NARC) to be completed by physicians and nurses involved in PD programs across North America. It consisted of 45 questions related to 1) organizational characteristics; 2) PD catheter insertion practices; 3) current quality-improvement initiatives; and 4) interest in participation in PD studies. Invitation to participate in the survey was given to nephrologists and nurses in centers across Canada and the United States (US) identified by participation in the inaugural meeting of the ISPD-NARC. Descriptive statistics were applied to analyze the data. ♦
RESULTS - Fifty-one ISPD-NARC sites were identified (45% in Canada and 55% in the US) of which 42 responded (82%). Center size varied significantly, with prevalent PD population ranging from 6 - 300 (median: 60) and incident PD patients in the year prior to survey administration ranging from 3 - 180 (median: 20). The majority of centers placed fewer than 19 PD catheters/year, with a range of 0 - 50. Availability of insertion techniques varied significantly, with 83% of centers employing more than 1 insertion technique. Seventy-one percent performed laparoscopic insertion with advanced techniques (omentectomy, omentopexy, and lysis of adhesions), 62% of sites performed open surgical dissection, 10% performed blind insertion via trocar, and 29% performed blind placement with the Seldinger technique. Use of double-cuff catheters was nearly universal, with a near even distribution of catheters with pre-formed bend versus straight inter-cuff segments. There was also variation in the choice of perioperative antibiotics and perioperative flushing practices. Although 86% of centers had quality-improvement initiatives, there was little consensus as to appropriate targets. ♦
CONCLUSIONS - There is marked variability in PD catheter insertion techniques and perioperative management. Large multicenter studies are needed to determine associations between these practices and catheter and patient outcomes. This research could inform future trials and guidelines and improve practice. The ISPD-NARC is a network of PD units that has been formed to conduct multicenter studies in PD.
Copyright © 2016 International Society for Peritoneal Dialysis.
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10 MeSH Terms