Stroke volume variation obtained with Vigileo/FloTrac™ system during bleeding and fluid overload in dogs

Taguchi, Hiroyuki; Ichinose, Keisuke; Tanimoto, Hironari; Sugita, Michiko; Tashiro, Masafumi; Yamamoto, Tatsuo

doi:10.1007/s00540-011-1175-7

Cited by 15 publications

(13 citation statements)

References 14 publications

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“…3) although the operations were performed by the same surgeons, their surgical techniques may have improved with time; and 4) the criteria for ICU and hospital discharge were not specified and postoperative complications were not in- by HES, the SVV reportedly does not quickly respond to blood volume changes [24].…”

Section: Discussionmentioning

confidence: 99%

Simplified Intraoperative Goal-Directed Therapy Using the FloTrac/Vigileo System: An Analysis of Its Usefulness and Safety

Ito¹,

Ito²,

Ando³

et al. 2017

OJAnes

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Purpose: We investigated whether the simplified intraoperative Goal-Directed Therapy (GDT) could improve the factors affecting medical costs, and contribute in standardizing intraoperative fluid management. Methods: The enrolled patients underwent esophagectomy, pancreatoduodenectomy, or aortic stent grafting in 2012, and between March 2013 and October 2014. We conducted a comparison study on the effects of GDT, between the before-GDT historical control group (n = 100) and GDT group (n = 100). The hemodynamic indices used for control group patients were conventional: Blood pressure, heart rate, and urine output. For GDT group, additionally, we used stroke volume variation (SVV) and stroke volume index (SVI). The primary outcomes were the length of intensive care unit (ICU) stay and hospital stay (LOS). Regression analysis was used to identify factors affecting LOS. The secondary outcomes were the albumin use, the fluid amount administered, and the variation in the fluid administration rate. Results: The control and GDT groups comprised 96 and 99 patients, respectively. The patient characteristics were similar. The length of ICU stay was significantly shorter (2.1 ± 2.1 days vs. 2.8 ± 1.9 days, P = 0.0009) and LOS was shorter but without statistical significance (24.5 ± 17.7 days vs. 27.7 ± 20.1 days, P = 0.21) in the GDT group than in the control group. The fluid amount administered and the presence/ absence of albumin use were factors affecting LOS. The variation of the fluid administration rate was significantly lower in the GDT group. Conclusion: The simplified GDT may contribute to the improvement of medical economics and standardize the fluid management.

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Section: Discussionmentioning

confidence: 99%

Simplified Intraoperative Goal-Directed Therapy Using the FloTrac/Vigileo System: An Analysis of Its Usefulness and Safety

Ito¹,

Ito²,

Ando³

et al. 2017

OJAnes

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show abstract

“…Most threshold values vary between 5% and 15% and higher threshold values are more indicative of the need for fluid replacement therapy . The sensitivity of SVV for predicting acute hemorrhage and the effects of transfusion is more sensitive than most other dynamic indices suggesting that SVV is a better indicator of the effective circulating blood volume . Studies investigating blood loss in isoflurane anesthetized dogs suggest that increases in SVV of more than 10% are predictive of hypovolemia …”

Section: Discussionmentioning

confidence: 99%

“…The diagnostic accuracy of most dynamic indices currently being used to assess fluid responsiveness has been statistically evaluated by “grey zone analysis.” In the grey zone analysis approach, fluid responders and nonresponders can be identified with high certainty while no specific conclusion on fluid responsiveness of cases in the grey zone can be made. Thresholds for fluid administration have been established for people and are being developed for dogs . We employed the Vigileo Flo‐Trac sensor to estimate SVV.…”

Section: Discussionmentioning

confidence: 99%

“…Subsequently, stroke volume and arterial pressure decrease due to a decrease in right ventricular filling . Mechanical ventilation, therefore, can be employed experimentally and clinically to increase and decrease a variety of dynamic hemodynamic indices including systolic pressure variation (SPV), pulse pressure variation (PPV), stroke volume variation (SVV), and plethysmography variability index (PVI) in order to assess vascular volume status and fluid responsiveness …”

Section: Introductionmentioning

confidence: 99%

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A pilot study evaluating adaptive closed‐loop fluid resuscitation during states of absolute and relative hypovolemia in dogs

Gholami

Haddad

Bailey

et al. 2018

J Vet Emergen Crit Care

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“…13 Meanwhile, dynamic parameters based on heart-lung interactions during positive ventilation such as pulse pressure variation and SV variation have been shown to predict fluid responsiveness more accurately than the static parameters in dogs. 11,14 But they require a highly controlled environment in only specific types of patients, 15 because they are highly likely to be affected by not only the preload but also other factors such as heart rate, 16 respiratory rate, 16 pleural pressure, 17 and tidal volume. 18,19 These confounding variables may reduce clinical application.…”

Section: Introductionmentioning

confidence: 99%

Investigation of percentage changes in pulse wave transit time induced by mini‐fluid challenges to predict fluid responsiveness in ventilated dogs

Sano

Fujiyama

Wightman

et al. 2019

J Vet Emergen Crit Care

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Objective To investigate whether percentage changes in pulse wave transit time (PWTT%Δ) induced by mini‐fluid challenges predict fluid responsiveness in mechanically ventilated anesthetized dogs. Design Prospective experimental trial. Setting University teaching hospital. Animals Twelve Harrier hounds. Intervention Each dog was anesthetized with propofol and isoflurane after premedication with acepromazine, mechanically ventilated, and had a fluid challenge. This was repeated 4 weeks later. The fluid challenge, 10 mL/kg of colloid administration over 13 minutes, consisted of 3 intermittent mini‐fluid challenges (1 mL/kg of each over a minute) with a minute interval, and the remaining colloid administration (7 mL/kg) over 7 minutes. Measurements and Main Results Percentage change in velocity time integral of pulmonary arterial flow by echocardiography was calculated as an indication of change in stroke volume. Fluid responsiveness was defined as percentage change in velocity time integral ≥ 15% after 10 mL/kg colloid. Dogs responded on 14 fluid challenges and did not on 10. After 1, 2, 3, and 10 mL/kg of fluid challenge, PWTT%Δ1, 2, 3, 10 were measured. Receiver operator characteristic (ROC) curves were generated and areas under ROC curve were calculated for PWTT%Δ1, 2, 3. A gray zone approach was used to identify the clinically inconclusive range. The area under the ROC curve for PWTT%Δ3 was 0.91 (P = 0.001). Cutoff value for PWTT%Δ3 was −2.5% (sensitivity: 86%, specificity: 90%). The gray zone for PWTT%Δ3 was identified as between −2.9% to −1.9% for which fluid responsiveness could not be predicted reliably in 6 out of 24 fluid challenges. Conclusions In mechanically ventilated anesthetized dogs given a mini‐fluid challenge of 3 mL/kg of colloid, PWTT%Δ could predict fluid responsiveness although the gray zone should be considered.

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Stroke volume variation obtained with Vigileo/FloTrac™ system during bleeding and fluid overload in dogs

Abstract: SVV-FloTrac is a sensitive indicator of the dynamic circulating blood volume change during both bleeding and transfusion, but not during either the stable circulating blood volume period after blood withdrawal or the fluid-overload period, in mechanically ventilated dogs.

Cited by 15 publications

References 14 publications

Simplified Intraoperative Goal-Directed Therapy Using the FloTrac/Vigileo System: An Analysis of Its Usefulness and Safety

Simplified Intraoperative Goal-Directed Therapy Using the FloTrac/Vigileo System: An Analysis of Its Usefulness and Safety

A pilot study evaluating adaptive closed‐loop fluid resuscitation during states of absolute and relative hypovolemia in dogs

Investigation of percentage changes in pulse wave transit time induced by mini‐fluid challenges to predict fluid responsiveness in ventilated dogs

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