K. Allen et al., Normalization of hypertensive responses during ambulatory surgical stress by perioperative music, PSYCHOS MED, 63(3), 2001, pp. 487-492
Objective: The purpose of this study was to determine whether cognitive app
raisals of stress level and hypertensive responses to ambulatory ophthalmic
surgery can be ameliorated by patient-selected music. Methods: We studied
40 elderly individuals requiring ophthalmic surgery, 20 in an experimental
group (mean age, 74 years) and 20 in a control group (mean age, 77 years).
All patients had an established resting blood pressure < 140/90 mm Hg. In t
he experimental group self-selected music was provided by headphones throug
hout the preoperative, surgical, and postoperative periods. In the control
group patients had neither headphones nor music. All patients received simi
lar (weight-determined) doses of alfentanil and midazolam during surgery. H
eart rate, blood pressure, and patient-reported stress and coping levels we
re the dependent variables. Results: In both groups, blood pressure values
were normal (approximately 129/82 mm Hg) during screening examinations 1 we
ek before surgery. On the day of surgery both groups displayed increased pr
eoperative blood pressures (approximately 159/92 mm Hg) associated with inc
reases in heart rate (by approximately 17 beats/min). Intraoperative blood
pressures in the experimental group returned quickly to screening baseline
values, whereas the control group experienced persistent elevations in intr
aoperative blood pressure similar to preoperative levels. Over the course o
f the surgical experience, patients with music reported significant reducti
ons in perceived stress and increases in coping abilities (p < .001), where
as those without music did not. Conclusions: The perceived stress of ambula
tory surgery in geriatric patients is associated with a clinical hypertensi
ve response that is ameliorated by self-selected perioperative music, which
also decreases perceived stress and increases patients' sense of personal
control and well-being.