Non-invasive monitoring of haemodynamic changes in haemodialysis patients using photoplethysmography (PPG)

Andersson, RogerLinköpings universitet,Institutionen för medicinsk teknik,Tekniska högskolan (author)

Presently there is no simple non-invasive method to monitor haemodynamic changes during haemodialysis but such a method is highly needed. This study aims at investigating the possibility to monitor such changes during a single haemodialysis session using a photoplethysmography method (PPG). This non-invasive method illuminates a proportion of the patients skin and the received PPG-signal reflects local blood flow. The haemodialysis sessions were performed as in normal routine with more frequently performed blood pressure measurements by an oscillometric method or with continuous intra arterial blood pressure measurements. The obtained PPG-signals are linked to the blood pressure changes and are affected by the ultrafiltration rate and drugs administrated during the session. The relation between the blood pressure changes and the changes in the different PPG components seems however to be complex and need to be investigate further. The PPG-method shows promises, which is emphasised by the strong need of a non-invasive monitoring method.

Guiterrez, AlbertoDepartment of Renal Medicine, Huddinge University Hospital, Sweden (author)
Lindberg, Lars-GöranLinköpings universitet,Institutionen för medicinsk teknik,Tekniska högskolan(Swepub:liu)larli69 (author)
Linköpings universitetInstitutionen för medicinsk teknik (creator_code:org_t)

By the author/editor: Andersson, Roger; Guiterrez, Alber ...; Lindberg, Lars-G ...

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