ESTIMATING MEAN ARTERIAL PRESSURE DURING INVASIVE MONITORING USING MANOMETER

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GHOLAM ALEMOHAMMAD M.; EBRAHIMI I.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Tehran University Medical Journal Year:2009 | Volume:66 | Issue:11 Page(s): 814-820

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Title

ESTIMATING MEAN ARTERIAL PRESSURE DURING INVASIVE MONITORING USING MANOMETER

Author(s)

GHOLAM ALEMOHAMMAD M. | EBRAHIMI I. | Issue Writer Certificate

Keywords

ARTERIAL PRESSUREQ3

INVASIVE MONITORINGQ3

MANOMETERQ3

TRANSDUCERQ3

Abstract

Background: Direct monitoring of ARTERIAL PRESSURE using a TRANSDUCER system is not affordable in most operating rooms and ICU wards in Iran. It is, however, possible to use an aneroid MANOMETER instead, but it is not standardized yet, nor studied enough; and its measurements may not be interpretable.Methods: To study the correlation of the ARTERIAL PRESSURE readings between a MANOMETER and a TRANSDUCER system, systolic and diastolic ARTERIAL PRESSURE was measured 105 times using both systems via arterial cannulation in seven patients during surgery. Mean ARTERIAL PRESSURE was directly recorded in the TRANSDUCER system, while it was calculated in the MANOMETER system. In the MANOMETER system, the extension tube was filled with saline halfway from the patient and the other empty end was connected to a MANOMETER. The TRANSDUCER and the air-fluid interface in the extension tube were positioned at same level. Correlation of the ARTERIAL PRESSUREs between the systems was tested using linear regression and Pearson correlation.Results: Mean ARTERIAL PRESSURE differed by 2 (1-3) mmHg [mean (CI 95%)] between the systems, however, pulse pressure was lower in the MANOMETER system by 37 (33-41) mmHg. The mean ARTERIAL PRESSURE in the TRANSDUCER system (MAPT) correlated well and linearly with the systolic ARTERIAL PRESSURE in the MANOMETER system (SAPM) by R=0.966.Therefore, MAPT can be regarded as a function of SAPM through the following formula: MAPT= (1.03×SAPM) - 7.34.Conclusion: The mean ARTERIAL PRESSURE in the TRANSDUCER system can be reliably estimated by monitoring the systolic ARTERIAL PRESSURE in the MANOMETER system.

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APA: Copy

GHOLAM ALEMOHAMMAD, M., & EBRAHIMI, I.. (2009). ESTIMATING MEAN ARTERIAL PRESSURE DURING INVASIVE MONITORING USING MANOMETER. TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ), 66(11), 814-820. SID. https://sid.ir/paper/39465/en

Vancouver: Copy

GHOLAM ALEMOHAMMAD M., EBRAHIMI I.. ESTIMATING MEAN ARTERIAL PRESSURE DURING INVASIVE MONITORING USING MANOMETER. TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ)[Internet]. 2009;66(11):814-820. Available from: https://sid.ir/paper/39465/en

IEEE: Copy

M. GHOLAM ALEMOHAMMAD, and I. EBRAHIMI, “ESTIMATING MEAN ARTERIAL PRESSURE DURING INVASIVE MONITORING USING MANOMETER,” TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ), vol. 66, no. 11, pp. 814–820, 2009, [Online]. Available: https://sid.ir/paper/39465/en

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