Feasibility of emergent transcatheter aortic valve replacement sequentially followed by cardiac computed tomography angiography: experience from the procedure

Dong-Kai SHAN; Bo JIANG; Ze-Yu SUN; Jing WANG; Yun-Dai CHEN; Chang-Fu LIU

doi:10.26599/1671-5411.2023.08.002

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Letter to the Editor | Open Access

Feasibility of emergent transcatheter aortic valve replacement sequentially followed by cardiac computed tomography angiography: experience from the procedure

Dong-Kai SHAN^{^*}, Bo JIANG^{^*}, Ze-Yu SUN, Jing WANG, Yun-Dai CHEN(), Chang-Fu LIU()

Senior Department of Cardiology, the Sixth Medical Centre, Chinese PLA General Hospital, Beijing, China

^*The authors contributed equally to this manuscript

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Journal of Geriatric Cardiology

Volume 20 Issue 8,
August 2023

Pages 602-607

DOI: 10.26599/1671-5411.2023.08.002

Cite this article:

SHAN D-K, JIANG B, SUN Z-Y, et al. Feasibility of emergent transcatheter aortic valve replacement sequentially followed by cardiac computed tomography angiography: experience from the procedure. Journal of Geriatric Cardiology, 2023, 20(8): 602-607. https://doi.org/10.26599/1671-5411.2023.08.002

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Table 1Emergent sequential CT-TAVR information of three cases.

Emergent CT-TAVR information	Case 1	Case 2	Case 3
^*Refers to orthopedic surgery because of femoral head fracture at twenty-one days after TAVR. CT: computed tomography; TAVR: transcatheter aortic valve replacement.
Emergency blood pressure, mmHg	107/56	83/60	66/53
Emergency heart rate, beats/min	78	93	88
Blood creatinine, μmol/L	125.1	109.6	171.8
Renal function, chronic kidney disease	III	II	I
N-terminal pro-B-type natriuretic peptide, pg/mL	7996.0	8381.0	18500.0
Troponin T, ng/mL	0.084	0.023	0.022
Society of Thoracic Surgeons score	11.2	8.6	13.2
Left ventricle ejection fraction, %	55	29	50
Mean pulmonary artery pressure, mmHg	37	42	38
Anesthetic mode	General anesthesia	General anesthesia	General anesthesia
Vascular approach	Transfemoral	Transfemoral	Transfemoral
Transesophageal echocardiography before TAVR	None	Yes	None
CT-catheter room time, min	24	20	25
CT-valve expansion time, min	163	172	186
CT angiography dosage of contrast agent, mL	60	60	80
Valve leaf type	Tricuspid valve	Bicuspid valve (Type 0)	Tricuspid valve
Annular diameter by echocardiography, mm	19	22	16
Annular diameter by cardiac CT angiography, mm	23.5	29.4	22.6
Calcification volume, mm³	805.2	2222.5	432.7
Valve prosthesis type	Venus A 23 mm	Vita Flow 27 mm	Venus A 26 mm
Mean cross valve pressure gradient after TAVR, mmHg	10	6	6
Angiography dosage of contrast agent, mL	140	160	160
Contrast nephropathy	None	None	None
Perivalvular leakage	Mild	Mild	Trace
Treatment of coronary artery	None	None	Right coronary artery
Postoperative pacemaker implantation	None	After one month	None
Postoperative blood creatinine, μmol/L	105.6	114.0	166.1
TAVR to discharge time, days	7	5	40^*