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Noninvasive electrical impedance analysis to measure human urinary bladder volume
Author(s) -
Liao WenChien,
Jaw FuShan
Publication year - 2011
Publication title -
journal of obstetrics and gynaecology research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.597
H-Index - 50
eISSN - 1447-0756
pISSN - 1341-8076
DOI - 10.1111/j.1447-0756.2010.01487.x
Subject(s) - medicine , measure (data warehouse) , volume (thermodynamics) , urinary system , urinary bladder , urology , biomedical engineering , data mining , physics , quantum mechanics , computer science
Aim: To assess urinary bladder volume in a noninvasive manner using a portable and modified device that measures electrical impedance. Methods: A novel method was attempted to measure electrical impedance and indirect bladder volume, and these data were used to calculate the actual bladder volume. Results: An increase of 0.01 V in the abdominal voltage was observed with every 50 mL increase in the amount of physiological saline infused into the bladder. Conclusions: It is a simple procedure and can be used by technical staff or the patients themselves to obtain continuous, real‐time urinary bladder volume data.