T Torigoe1, S Sato2, Y Nagayama1, T Sato1, H Yamazaki1. 1. Department of Neonatology, Niigata City General Hospital, Niigata, Japan. 2. Department of Pediatrics, Niigata City General Hospital, Niigata, Japan.
Abstract
OBJECTIVE: We evaluated electrical velocimetry, a noninvasive method for continuous cardiac output measurement, in very-low and low birth weight infants and the influence of patent ductus arteriosus (PDA) and ventilators on this method. STUDY DESIGN: This prospective study compared 81 pairs of simultaneous cardiac output measurements by electrical velocimetry and transthoracic echocardiography in 28 patients. Data were compared by correlation, Bland-Altman analysis and two-way analysis of variance. RESULTS: The two methods exhibited a high correlation (r=0.859, P<0.0001). The bias (mean difference of the methods) and percent error (100 × 1.96 × s.d./mean cardiac output) were -6 ml min(-1) and 29.2%, respectively. PDA significantly affected the bias (P=0.0004), but ventilators did not (P=0.14). Hemodynamically significant PDA had a larger bias (-36 ml min(-1)) and higher percent error (38.6%). CONCLUSIONS: Although influenced by PDA, electrical velocimetry was generally interchangeable with transthoracic echocardiography even using ventilators.
OBJECTIVE: We evaluated electrical velocimetry, a noninvasive method for continuous cardiac output measurement, in very-low and low birth weight infants and the influence of patent ductus arteriosus (PDA) and ventilators on this method. STUDY DESIGN: This prospective study compared 81 pairs of simultaneous cardiac output measurements by electrical velocimetry and transthoracic echocardiography in 28 patients. Data were compared by correlation, Bland-Altman analysis and two-way analysis of variance. RESULTS: The two methods exhibited a high correlation (r=0.859, P<0.0001). The bias (mean difference of the methods) and percent error (100 × 1.96 × s.d./mean cardiac output) were -6 ml min(-1) and 29.2%, respectively. PDA significantly affected the bias (P=0.0004), but ventilators did not (P=0.14). Hemodynamically significant PDA had a larger bias (-36 ml min(-1)) and higher percent error (38.6%). CONCLUSIONS: Although influenced by PDA, electrical velocimetry was generally interchangeable with transthoracic echocardiography even using ventilators.
Authors: C Schmidt; G Theilmeier; H Van Aken; P Korsmeier; S P Wirtz; E Berendes; A Hoffmeier; A Meissner Journal: Br J Anaesth Date: 2005-09-09 Impact factor: 9.166
Authors: R A Ehrenkranz; N Younes; J A Lemons; A A Fanaroff; E F Donovan; L L Wright; V Katsikiotis; J E Tyson; W Oh; S Shankaran; C R Bauer; S B Korones; B J Stoll; D K Stevenson; L A Papile Journal: Pediatrics Date: 1999-08 Impact factor: 7.124
Authors: Martin Ernst Blohm; Jana Hartwich; Denise Obrecht; Jan Felix Kersten; Dominique Singer Journal: J Clin Monit Comput Date: 2016-04-12 Impact factor: 2.502
Authors: Ana Rodríguez Sánchez de la Blanca; M Sánchez Luna; N González Pacheco; M Arriaga Redondo; N Navarro Patiño Journal: Eur J Pediatr Date: 2017-12-08 Impact factor: 3.183