Why the study?
The study aimed to determine the effect of a cuff properly sized for mid-upper arm circumference on blood pressure measurement in obese surgical patients.
Does using a small adult cuff compared to a properly sized cuff affect blood pressure readings and hypertension diagnosis in obese surgical patients?
Does using a small adult cuff compared to a properly sized cuff affect blood pressure readings and hypertension diagnosis in obese surgical patients?
Using a small adult cuff instead of a properly sized cuff in obese surgical patients leads to falsely elevated blood pressure readings and significant misdiagnosis of hypertension.
May overestimate hypertension in obese surgical patients; hypothesis-generating for cuff-size standardization.
Aim: This study aimed to determine the effect of a cuff properly sized for mid-upper arm circumference on blood pressure measurement in obese surgical patients. Method: This prospective crossover clinical trial was conducted with 100 patients who had body mass index ≥30 kg/m2 and mid-upper arm circumference ≥27 cm and were admitted to the general surgery unit of a medical faculty hospital in İstanbul, Turkey between January 1, 2015, and December 31, 2015. Blood pressure of the patients was measured using a small-sized adult cuff and a cuff properly sized for mid-upper arm circumference. Results: Among the patients, 39% were morbidly obese and 67% had mid-upper arm circumference between 35 and 44 cm. Systolic blood pressure of the patients with a small adult cuff was 20.78 mmHg higher than that obtained with a cuff properly sized for mid-upper arm circumference, and their diastolic blood pressure was 10.15 mmHg higher on average (p<0.001). Only 6% of those with systolic hypertension according to the small adult cuff readings were found to have hypertension according to the cuff properly sized for mid-upper arm circumference (p<0.001). Conclusion: The results showed that, in obese surgical patients, blood pressure is measured inaccurately and found to be falsely high when measurements are not performed using a cuff properly sized for mid-upper arm circumference. Cite this article as: Yüksel, S., Altun-Uğraş, G., Altınok, N., Demir, N. (2020). The effect of cuff size on blood pressure measurement in obese surgical patients: A prospective crossover clinical trial. Florence Nightingale Journal of Nursing, 28(2), 205-212.
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Yüksel et al. (2020) studied this question.
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