Ultrasonographic Carotid Artery Flow Measurements as Predictors of Spinal Anesthesia-Induced Hypotension in Elderly Patients: A Prospective Observational Study

Hyae Jin Kim; Ah-Reum Cho; Hanbit Lee; Haekyu Kim; Jae-Young Kwon; Hyeon-Jeong Lee; Christine Kang; Soeun Jeon; Nara Kim

doi:10.12659/MSM.938714

28 November 2022 : Clinical Research

Ultrasonographic Carotid Artery Flow Measurements as Predictors of Spinal Anesthesia-Induced Hypotension in Elderly Patients: A Prospective Observational Study

Hyae Jin Kim^1ABEF, Ah-Reum Cho^12ACDE, Hanbit Lee^1ABEF*, Haekyu Kim^12DEF, Jae-Young Kwon^12DEF, Hyeon-Jeong Lee^12DEF, Christine Kang^3BE, Soeun Jeon^4BDEF, Nara Kim^1BE

DOI: 10.12659/MSM.938714

Med Sci Monit 2022; 28:e938714

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Table 5 Receiver operating characteristic (ROC) analysis to predict spinal anesthesia-induced hypotension.

	AUC	95% CI	P value	Threshold	Sensitivity (%)	Specificity (%)
CBF in semirecumbent (mL/min)	0.754	0.612–0.865	0.001	≤492.6	76.5	75.8
Mitral inflow E velocity (cm/s)	0.775	0.634–0.881	<0.001	≤59	82.4	75.8
Medial E′ (cm/s)	0.676	0.529–0.802	0.032	≤5	64.7	72.7
Level of sensory block at 5 min	0.719	0.574–0.837	0.001	≤T6	52.9	78.8
CBF – carotid blood flow; AUC – area under the curve; CI – confidence interval; T – thoracic spine.

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Ultrasonographic Carotid Artery Flow Measurements as Predictors of Spinal Anesthesia-Induced Hypotension in Elderly Patients: A Prospective Observational Study

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