Do induced hypertension and hypotension affect stroke volume variation in man?

Wajima, Zen’ichiro; Shiga, Toshiya; Imanaga, Kazuyuki; Inoue, Tetsuo

doi:10.1016/j.jclinane.2011.07.015

Cited by 13 publications

(11 citation statements)

References 25 publications

(27 reference statements)

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“…Moreover, the baseline SVV value in their study was 9%, and it increased non-significantly to 10% during the pneumoperitoneum. We also believe that it is questionable that the SVV value did not increase significantly during pneumoperitoneum because the SV in their study decreased by 20 % during pneumoperitoneum compared to the baseline value; SVV is defined as SVV (%) = 100 × (SVmax -SVmin) / [(SVmax + SVmin) / 2], where SV = stroke volume and maximal and minimal values for SV are determined as SVmax and SVmin, respectively, over a single respiratory cycle of paced breathing (19,20,31).…”

Section: Discussionmentioning

confidence: 93%

Does pneumoperitoneum affect perfusion index and pleth variability index in patients receiving combined epidural and general anesthesia?

Wajima

Shiga

Imanaga

2017

BST

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Section: Discussionmentioning

confidence: 93%

Does pneumoperitoneum affect perfusion index and pleth variability index in patients receiving combined epidural and general anesthesia?

Wajima

Shiga

Imanaga

2017

BST

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“…SAP, diastolic arterial pressure (DAP), mean arterial pressure (MAP), PPV, CO, CI, SV, SVI and SVV (T1) were recorded every 30 s. Target SAP values were calculated according to the following variation ranges: low (L) level, 10 % \ DSAP B 20 %; medium (M) level, 20 % \ DSAP B 30 %; high (H) level, 30 % \ DSAP B 40 % [12]. Important note: If the calculated SAP value of any level was more than 140 mmHg, this level would be abandoned.…”

Section: Measurement Protocolmentioning

confidence: 99%

“…Hadian et al [11] found that volume challenge decreased both PPV and SVV, vasodilator therapy increased PPV and SVV, whereas increasing inotropes or vasoconstrictors did not alter PPV or SVV. Wajima et al [12] proved that induced hypertension decreased SVV, while induced hypotension and induced hypotensive anesthesia increased SVV. Phenylephrine, dopamine and ephedrine are clinically commonly used vasopressors.…”

Section: Introductionmentioning

confidence: 99%

“…Many clinical studies have proven that pulse pressure variation (PPV) and stroke volume variation (SVV) are effective volume monitoring parameters to guide fluid therapy. There are other studies which have shown that central venous pressure (CVP), left ventricular end-diastolic area and pulmonary artery occlusion pressure (PAOP) as static indicators of cardiac preload have low value and are inconvenient [1,12]. For example, Dunki-Jacobs et al [2] demonstrated that SVV as a predictor of fluid status had more advantages than CVP by avoiding central venous catheter insertion and complications, and CVP could be safely replaced with SVV.…”

Section: Introductionmentioning

confidence: 99%

“…PPV and SVV are greatly influenced by various factors such as the tidal volume [4][5][6], intravascular volume status [7], intra-abdominal pressure, [8] position [9,10], and vasoactive drugs [11,12]. Hadian et al [11] found that volume challenge decreased both PPV and SVV, vasodilator therapy increased PPV and SVV, whereas increasing inotropes or vasoconstrictors did not alter PPV or SVV.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Influences of different vasopressors on stroke volume variation and pulse pressure variation

Kong¹,

Liu²,

Mi³

et al. 2015

J Clin Monit Comput

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Pulse pressure variation (PPV) and stroke volume variation (SVV) during mechanical ventilation have been shown to be effective parameters to predict preload responsiveness. Although induced hypertension decreases PPV and SVV, the influences of different vasopressors on PPV and SVV are unknown. 94 patients undergoing elective otologic surgery were randomly divided into three groups: Group P (patients were given phenylephrine), Group D (patients were given dopamine), Group E (patients were given ephedrine). When surgery was ongoing and the circulation state was stable, patients were given the vasopressor to increase the systolic arterial pressure (SAP) to the pre-calculated levels: low level, 10 % < ΔSAP ≤ 20 %; medium level, 20 % < ΔSAP ≤ 30 %; high level, 30 % < ΔSAP ≤ 40 %. When invasive arterial pressure reached the target value, PPV, SVV and other parameters were recorded. Dopamine decreased the PPV and SVV more significantly than ephedrine, but less significantly than phenylephrine. The influences of phenylephrine, dopamine and ephedrine on SVV and PPV are different due to their different pharmacological mechanisms.

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Vigilance of hemodynamic changes immediately after transferring patients is crucial

Wajima

Shiga²,

Imanaga

et al. 2013

J Anesth

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The decrease in blood pressure observed after transfer of a postsurgical patient to another bed after general, combined epidural and general, and combined spinal and general anesthesia was associated with a decrease in CO and no change in SVR, but HR decreased after combined spinal and general anesthesia, whereas it was unchanged after general and combined epidural and general anesthesia. The decrease in blood pressure is assumed to be caused by a decrease in venous return, and several reflexes might participate in this decrease of blood pressure, especially after combined spinal and general anesthesia.

show abstract

Do induced hypertension and hypotension affect stroke volume variation in man?

Cited by 13 publications

References 25 publications

Does pneumoperitoneum affect perfusion index and pleth variability index in patients receiving combined epidural and general anesthesia?

Does pneumoperitoneum affect perfusion index and pleth variability index in patients receiving combined epidural and general anesthesia?

Influences of different vasopressors on stroke volume variation and pulse pressure variation

Vigilance of hemodynamic changes immediately after transferring patients is crucial

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