07 April 2024 : Clinical Research
[In Press] Percutaneous Coronary Intervention as a Non-Surgical Treatment for Ischemic Mitral Regurgitation in Patients with Multi-Vessel Coronary Artery Disease
Xiaoyan Wang 1ABCE, Zhihong Liu 1ABCDE, Aoyun Rong 1ABDE, Bofei Ma 1BCDE, Ruixing Mo 1BCEGDOI: 10.12659/MSM.943122
Med Sci Monit In Press; DOI: 10.12659/MSM.943122
Available online: 2024-04-07, In Press, Corrected Proof
Publication in the "In-Press" formula aims at speeding up the public availability of the pending manuscript while waiting for the final publication. The assigned DOI number is active and citable. The availability of the article in the Medline, PubMed and PMC databases as well as Web of Science will be obtained after the final publication according to the journal schedule
Abstract
BACKGROUND
Multi-vessel coronary artery disease (MVD) represents a severe type of coronary artery disease (CAD). Ischemic mitral regurgitation (IMR) is a common mechanical complication in patients with CAD. This study aimed to retrospectively investigate the efficacy of percutaneous coronary intervention (PCI) on moderate/severe IMR in patients with MVD.
MATERIAL AND METHODS
Clinical data were collected from 15 patients who underwent successful treatment for MVD combined with moderate/severe IMR through the PCI procedure and achieved complete revascularization between January 2014 and December 2022. Cardiac structural and functional parameters were assessed through echocardiographic evaluations. Color flow recordings of MR jets were obtained through an enlarged view of the 4-chamber cut, and the diagnosis of MR was categorized into mild (<4 cm²), moderate (4-8 cm²), and severe (>8 cm²), based on the MR area.
RESULTS
The common features of the selected cases were advanced age, low body weight, and renal insufficiency. Cardiac echocardiography revealed an augmentation in the left atrial anteroposterior diameter and left ventricular internal diameter at end-systole after PCI, while the left ventricle internal diameter in diastole, left ventricular ejection fraction, and left ventricular fractional shortening were comparable to preoperative values. All patients had moderate/severe MR preoperatively, and MR improved at 1 month (2.73±0.69) and 12 months (2.26±0.58) after PCI.
CONCLUSIONS
In cases of MVD accompanied by moderate/severe IMR, undergoing PCI can spare certain elderly patients with low body weight and renal insufficiency from high-risk surgery, alleviating the severity of MR without undergoing mitral valve intervention.
Keywords: Coronary Artery Disease; Percutaneous Coronary Intervention; Barlow Syndrome
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