There are some that would argue that hospitals are no place for dogs, well they are wrong. At least according to new research reported at the American Heart Association’s Scientific Sessions 2005.
Researchers discovered that a 12-minute visit with man’s best friend helped heart and lung function by lowering pressures, diminishing release of harmful hormones and decreasing anxiety among hospitalized heart failure patients. Benefits exceeded those that resulted from a visit with a human volunteer or from being left alone…
The intervention lasted 12 minutes. In the volunteer-dog team group, specially trained dogs (of 12 different breeds) would lie on patients’ beds, so patients could touch them while interacting with the volunteer-dog team.
Researchers monitored patients’ hemodynamics – the collective system of measurement for blood volume, heart function and resistance of the blood vessels. They measured hemodynamic pressures just before the 12-minute intervention, eight minutes into the intervention and four minutes after the intervention. Investigators also measured epinephrine and norepinephrine levels at these three time points, and administered an anxiety test before and after the intervention.
Researchers found that anxiety scores dropped 24 percent for participants who received a visit from the volunteer-dog team. Scores for the volunteer-only group dropped 10 percent and the at-rest group’s score did not change. Researchers measured anxiety with the Spielberger’s self report state anxiety inventory.
Levels of the stress hormone epinephrine dropped an average 14.1 picograms/mL or 17 percent in the volunteer-dog team group; 2 percent in the volunteer-only group; and rose an average of 7 percent in the at-rest group.
Pulmonary capillary wedge, the measurement of left atrial pressure, dropped an average 2.1 mmHg, or 10 percent, at the end of the intervention for those receiving volunteer-dog team therapy. However, it increased 3 percent for the volunteer-only group and increased 5 percent for the at-rest group.
Systolic pulmonary artery pressure, a measure of pressure in the lungs, dropped in the volunteer-dog team group 5 percent during and 5 percent after therapy. It rose during and after therapy in the other two groups.
The volunteer-dog team group showed more improvement than the volunteer-only group in right atrial pressure, norepinephrine level and heart rate.
Read more at American Heart Association…
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