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Depression and Heart Rate Variability in Patients with Coronary Artery Disease (open access)

Depression and Heart Rate Variability in Patients with Coronary Artery Disease

Depression is an independent risk factor for morbidity and mortality in patients with coronary artery disease (CAD). Altered autonomic nervous system (ANS) activity, a common feature of depression, is also a risk factor for cardiac events in patients with CAD. Heart rate variability (HRV) reflects ANS activity, and reduced HRV predicts morbidity in cardiac populations. The purpose of this study was to determine whether differences in HRV exist between depressed and nondepressed patients with CAD. Twenty-one depressed inpatients, with angiographically documented CAD were retrospectively matched to 21 nondepressed CAD patients by sex, age, and smoking status. Demographic, medical, psychological interview data, and 24-hour ECG recordings were obtained. Depressed subjects had significantly lower HRV, or trends toward lower HRV, than nondepressed subjects, even after controlling for severity of CAD. Subject groups did not differ on left ventricular ejection fraction, history of myocardial infarction, or any other relevant medical variable assessed. These results suggest that depression is associated with decreased HRV in patients with CAD, and may help to explain the increased rates of cardiac events observed in CAD patients with depression.
Date: December 1994
Creator: Saunders, Roger D. (Roger Dean)
Object Type: Thesis or Dissertation
System: The UNT Digital Library

[Photograph 2012.201.B0224.0800]

Photograph used for a story in the Daily Oklahoman newspaper.
Date: October 20, 1994
Creator: Argo, Jim
Object Type: Photograph
System: The Gateway to Oklahoma History
[Delta Sigma Theta Awards Gala at the 42nd national convention] captions transcript

[Delta Sigma Theta Awards Gala at the 42nd national convention]

Video footage provided by The Black Academy of Arts and Letters shown during the Delta Sigma Theta Awards Gala. The footage shows an animated slideshow with photo slides of famous members of the sorority along with their names and city. A narrator speaks over the slideshow giving a brief description of the women's accomplishments. The women commonly serve their community in positions of education, politics, civil rights, and public service.
Date: October 6, 1994
Creator: unknown
Object Type: Video
System: The UNT Digital Library
[News Clip: KC shooting] captions transcript

[News Clip: KC shooting]

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: August 9, 1994, 10:00 p.m.
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Object Type: Video
System: The UNT Digital Library

[Photograph 2012.201.B0316B.0046]

Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date: April 12, 1994
Creator: McDaniel, David
Object Type: Photograph
System: The Gateway to Oklahoma History
[News Clip: MO storms] captions transcript

[News Clip: MO storms]

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: April 10, 1994, 5:30 p.m.
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Object Type: Video
System: The UNT Digital Library

[Photograph 2012.201.B1286.0080]

Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "OSU's guard Brooks Thompson"
Date: March 13, 1994
Creator: Staff Photo
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0074.0063]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Missouri's Jevon Crudup tries to block a shot by Oklahoma guard Pete Lewis during the first half of Saturday's Big Eight game in Columbia, Mo., Feb. 26, 1994"
Date: February 26, 1994
Creator: Schiappa, Cliff
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0073.0698]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Missouri guard Melvin Booker, left, dribbles past Oklahoma State guard Chianti Roberts after grabbing a rebound late in the second half Saturday, Feb. 12, 1994, in Columbia, Mo."
Date: February 12, 1994
Creator: Roberson, Jeff
Object Type: Photograph
System: The Gateway to Oklahoma History