Diaphragmatic Ultrasound Parameters as Predictors of Weaning Success in Cervical Spinal Cord Injury

Chao Xie; Huadong Meng; Kang Wu; Guoyun Wang; Yingxia Miao; Chuanhai Jiang; Ran Chen

doi:10.12659/MSM.950468

20 May 2026 : Clinical Research

Diaphragmatic Ultrasound Parameters as Predictors of Weaning Success in Cervical Spinal Cord Injury

Chao Xie^{ABCG 1}, Huadong Meng^{ABC 2}, Kang Wu^{BD 2}, Guoyun Wang^{CE 1}, Yingxia Miao^{CF 1}, Chuanhai Jiang^{CF 3}, Ran Chen^{EF 3*}

DOI: 10.12659/MSM.950468

Med Sci Monit 2026; 32:e950468

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Table 3 Predictive values of DE, DTF, DCV, and D-RSBI for ventilator weaning outcomes of patients with cervical spinal cord injury.

Item	AUC	Cut-off value	95% CI of AUC	P	Specificity	Sensitivity	Youden index
DE	0.732	14.25 mm	0.638–0.826	<0.001	0.713	0.690	0.403
DTF	0.741	34.5%	0.649–0.832	<0.001	0.755	0.643	0.398
DCV	0.706	2.05 cm/s	0.612–0.800	<0.001	0.798	0.500	0.298
D-RSBI	0.708	1.5 breaths/ (min·mm)	0.615–0.801	<0.001	0.638	0.786	0.424
Combination	0.896	–	0.839–0.953	<0.001	0.883	0.786	0.669
DE – diaphragm excursion; DTF – diaphragm thickening fraction; DCV – diaphragm contraction velocity; D-RSBI – diaphragmatic-shallow rapid breathing index; AUC – areas under the curve.

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Diaphragmatic Ultrasound Parameters as Predictors of Weaning Success in Cervical Spinal Cord Injury

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