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Andrew D. Calvin
Mayo Clinic
CardiologyObstructive sleep apneaHeart failureDiabetes mellitusMedicine
58Publications
14H-index
732Citations
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Publications 58
Newest
#1Tinen L. Iles (UMN: University of Minnesota)H-Index: 3
#2Mikayle A. Holm (UMN: University of Minnesota)
Last. Paul A. Iaizzo (UMN: University of Minnesota)H-Index: 34
view all 5 authors...
Abstract A pioneering surgeon at the University of Minnesota, Dr. C. Walton Lillehei is still considered the "father of open-heart surgery." Dr. Lillehei and his surgical team performed the first open-heart operations utilizing cross-circulation, including the first successful ventricular septal defect closure on a 3-year-old boy. Before his death at age 67, this patient arranged to donate his body to the University of Minnesota's Anatomy Bequest program. We describe this patient's medical histo...
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#1Andrew D. CalvinH-Index: 14
#2Niti R. AggarwalH-Index: 6
Last. Victor M. MontoriH-Index: 10
view all 12 authors...
In the article cited above, Fig. 2 should have shown the pooled relative risks and 95% CI for the effect of aspirin versus control on death, myocardial infarction, and ischemic stroke, respectively, stratified by diabetes status of the trial participants. The published version of the manuscript incorrectly labeled the …
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#1Naima CovassinH-Index: 11
#2Prachi SinghH-Index: 16
Last. Virend K. SomersH-Index: 93
view all 7 authors...
Introduction: Chronic sleep deficiency is a burgeoning phenomenon and its detrimental consequences for cardiometabolic health and especially obesity risk are increasingly apparent. Nevertheless, ca...
#1Eleonora Tobaldini (University of Milan)H-Index: 18
#2Naima Covassin (Mayo Clinic)H-Index: 11
Last. Virend K. Somers (Mayo Clinic)H-Index: 93
view all 8 authors...
Abstract Acute sleep deprivation (SD) alters cardiovascular autonomic control (CAC) and is associated with an increased risk of cardiovascular disorders. However, the effects of partial SD on CAC are unclear. Thus, we aimed to investigate the effects of partial SD on CAC during sleep. We randomized seventeen healthy subjects to a restriction group (RES, n = 8, subjects slept two‐thirds of normal sleep time based on individual habitual sleep duration for 8 days and 8 nights) or a Control group (C...
4 CitationsSource
#1Naima CovassinH-Index: 11
#2Jan BukartykH-Index: 10
Last. Virend K. SomersH-Index: 93
view all 7 authors...
Introduction: Voluntary sleep curtailment is escalating in the general population. Mounting epidemiological research identifies chronic sleep deficiency as an independent determinant of cardiovascular diseases, with compelling evidence linking short sleep to incident hypertension. Nonetheless, experimental data supporting a causal relationship are scarce. Hypothesis: We tested the hypothesis that exposure to experimental prolonged sleep restriction would raise 24-hour ambulatory blood pressure (...
#1Robert Wolk (Pfizer)H-Index: 31
#2Marnie Bertolet (University of Pittsburgh)H-Index: 16
Last. Virend K. Somers (Mayo Clinic)H-Index: 93
view all 11 authors...
Abstract Objective To evaluate the cardiovascular (CV) prognostic value of adipokines in a large prospective cohort of patients participating in the Bypass Angioplasty Revascularization Investigation 2 Diabetes trial. Patients and Methods The effects of the adipokine levels at baseline and change from baseline on the composite outcome (CV death, myocardial infarction, and stroke) were analyzed using unadjusted and fully adjusted Cox models in 2330 patients with type 2 diabetes and coronary arter...
6 CitationsSource
#1Robert Wolk (Pfizer)H-Index: 31
#2Marnie Bertolet (University of Pittsburgh)H-Index: 16
Last. Virend K. SomersH-Index: 93
view all 11 authors...
AimsTo determine the effects of insulin sensitization (IS) and insulin provision (IP) treatment strategies on adipokines associated with cardiovascular disease in patients with type 2 diabetes mellitus and coronary artery disease in the Bypass Angioplasty Revascularization Investigation 2 Diabetes trial (BARI 2D).Methods and resultsChanges in adipokine levels were compared in patients with type 2 diabetes mellitus and coronary artery disease randomized to IS (n = 1037) versus IP (n = 1019) treat...
7 CitationsSource
#1Naima Covassin (Mayo Clinic)H-Index: 11
#2Jan Bukartyk (Mayo Clinic)H-Index: 10
Last. Virend K. Somers (Mayo Clinic)H-Index: 93
view all 7 authors...
Although growing evidence suggests that insufficient sleep is linked to enhanced risk of adverse events including hypertension, mechanistic investigations supporting causal relationships are lacking. In this study we sought to evaluate changes in ambulatory blood pressure in healthy individuals
6 CitationsSource
#1Andrew D. Calvin (Mayo Clinic)H-Index: 14
#2Naima Covassin (Mayo Clinic)H-Index: 11
Last. Virend K. Somers (Mayo Clinic)H-Index: 93
view all 12 authors...
Background Epidemiologic evidence suggests a link between short sleep duration and cardiovascular risk, although the nature of any relationship and mechanisms remain unclear. Short sleep duration has also been linked to an increase in cardiovascular events. Endothelial dysfunction has itself been implicated as a mediator of heightened cardiovascular risk. We sought to determine the effect of 8 days/8 nights of partial sleep restriction on endothelial function in healthy humans. Methods and Resul...
42 CitationsSource
#1Andrew D. Calvin (Mayo Clinic)H-Index: 14
#2Adelaide M. Arruda-Olson (Mayo Clinic)H-Index: 12
Last. Robert B. McCully (Mayo Clinic)H-Index: 32
view all 5 authors...
Introduction: Stress echocardiography (SE) has an established role in the evaluation of symptomatic patients, but its utility in asymptomatic patients is unclear. Current guidelines discourage the use of SE in most asymptomatic patients, citing lack of data to support its use. We therefore sought to describe the yield of SE in a group of asymptomatic individuals according to risk profile. Hypothesis: We hypothesized that SE would rarely be abnormal in asymptomatic individuals. Methods: We conduc...
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