Effect of lateral body position on transesophageal echocardiography images and the association with patient characteristics: A prospective observational study.

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dc.contributor.authorMita, Norikatsu
dc.contributor.authorKuroda, Masataka
dc.contributor.authorSaito, Shigeru
dc.contributor.authorMiyoshi, Sohtaro
dc.date.accessioned2015-08-22T08:00:54Z
dc.date.available2015-08-22T08:00:54Z
dc.date.issued2015-07
dc.description.abstractBackground: Changes in heart position are occasionally observed on the transesophageal echocardiography (TEE) image screen after changing the body position from supine to lateral, although the magnitude of change in cardiac position varies individually. We hypothesized that this variation is associated with certain patient characteristics and evaluated how lateral positioning affects visualization of the heart on TEE and whether the magnitude of change in the heart position correlates with patient characteristics. Methods: Fifty‑three lung resection patients were enrolled. Two angle and two length parameters (ΔθTV, ΔθAP, ΔLTV, and ΔLAP) were defined to describe location change of the lateral tricuspid annulus and right ventricular apex on the TEE image between supine and lateral position. The correlation coefficients were calculated between these four parameters and patient characteristics, including age, body mass index (BMI), epicardial fat thickness, and pulmonary function variables. Results: The ΔθTV correlated positively and inversely with BMI in both right and left lateral patients (right: r = 0.6365, P = 0.0034; left: r = −0.6616, P < 0.0001, respectively). In left lateral patients, the ΔθTV correlated inversely with epicardial fat thickness (r = −0.4879, P = 0.0182), and the ΔLAP correlated positively with the forced vital capacity percent predicted (r = 0.5736, P = 0.0082). Conclusions: Lateral body positioning affects cardiac visualization on TEE, and the BMI, epicardial fat thickness, and pulmonary function moderate this effect.en_US
dc.identifier.citationMita Norikatsu, Kuroda Masataka, Saito Shigeru, Miyoshi Sohtaro. Effect of lateral body position on transesophageal echocardiography images and the association with patient characteristics: A prospective observational study. Annals of Cardiac Anaesthesia. 2015 Jul; 18(3): 299-305.en_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/162327
dc.language.isoenen_US
dc.source.urihttps://www.annals.in/article.asp?issn=0971-9784;year=2015;volume=18;issue=3;spage=299;epage=305;aulast=Mitaen_US
dc.subjectBody mass indexen_US
dc.subjectBody positionen_US
dc.subjectHeart positionen_US
dc.subjectPulmonary functionen_US
dc.subjectTransesophagealen_US
dc.subject.meshAged
dc.subject.meshEchocardiography, Transesophageal --methods
dc.subject.meshFemale
dc.subject.meshHeart--anatomy & histology
dc.subject.meshHeart --physiology
dc.subject.meshHumans
dc.subject.meshMale
dc.subject.meshPosture --physiology
dc.subject.meshPneumonectomy
dc.subject.meshProspective Studies
dc.subject.meshRespiratory Function Tests
dc.titleEffect of lateral body position on transesophageal echocardiography images and the association with patient characteristics: A prospective observational study.en_US
dc.typeArticleen_US
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