Journal of Clinical Monitoring and Computing

, Volume 26, Issue 2, pp 133–140 | Cite as

Impact of non invasive and beat-to-beat arterial pressure monitoring on intraoperative hemodynamic management

  • Guo Chen
  • Elena Chung
  • Lingzhong Meng
  • Brenton Alexander
  • Trung Vu
  • Joseph Rinehart
  • Maxime Cannesson
Article
First Online:
Received:
Accepted:

Abstracts

The Nexfin device allows for non-invasive beat-to-beat blood pressure monitoring (BPNXF). Perioperative hypotension and hypertension have been shown to be associated with poor clinical outcomes. The goal of the present study was to assess the ability of this device to decrease the duration of significant intraoperative hypo- or hypertension compared to standard BP monitoring by cuff (BPCUFF). We studied25 patients (ASA I–III) undergoing either abdominal or orthopedic surgery. BPCUFF was monitored every 5 min from the introduction of anesthesia, while BPNXF was monitored continuously on the opposite arm. When systolic BPNXF (SBPNXF) decreased or increased more than 20% relative to baseline SBPNXF, a standard BPCUFF measurement was taken to compare values. In addition, the time interval between the 20% change in SBPNXF and the next scheduled standard SBPCUFF measurement was recorded for each event. The mean length of surgery was 3.0 ± 0.3 h. Patients presented with 11 ± 4 episodes of hypotension and 12 ± 4 episodes of hypertension during the surgery. If BPCUFF had been used, this would have resulted in 21 ± 7 min of hypotension and 20 ± 10 min of hypertension. If hemodynamic changes seen by SBPNXF were appropriately treated, an average of 7 ± 1 min/h of hypotension time, 7 ± 2 min/h of hypertension time and 14 ± 3 min per hour of hypo- or hypertension time may have been identified. The Nexfin BP has the potential to decrease the time of hypotension and hypertension compared to conventional intermittent BPCUFF monitoring. Therefore, this device has the potential to positively impact clinical outcomes.

Keywords

Cuff blood pressure Hypertension Hypotension Introperative hemodynamic management Nexfin 
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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  • Guo Chen
    • 1
    • 2
  • Elena Chung
    • 2
  • Lingzhong Meng
    • 2
  • Brenton Alexander
    • 2
  • Trung Vu
    • 2
  • Joseph Rinehart
    • 2
  • Maxime Cannesson
    • 2
  1. 1.Department of AnesthesiologyWest China Hospital, Sichuan UniversityChengduPeople’s Republic of China
  2. 2.Department of Anesthesiology and Perioperative CareUniversity of California, IrvineOrangeUSA

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