Outcomes of Transcatheter Edge-to-Edge Repair in Patients With Chronic Kidney Disease: A Retrospective National Inpatient Sample Study.
Cureus
; 16(4): e57420, 2024 Apr.
Article
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| MEDLINE
| ID: mdl-38699130
ABSTRACT
Background The burden of mitral regurgitation is high, and studies show it is the most common valvular pathology. The management of mitral regurgitation varies and depends on the chronicity, severity, etiology, and comorbidities of the patient. Surgical repair is recommended over replacement. Transcatheter edge-to-edge repair (TEER) has been shown to improve the prognosis of patients with mitral regurgitation and appears relatively safer than surgical repair in patients with high surgical risks. In this study, we examined the outcomes of TEER in patients with chronic kidney disease (CKD) by retrospectively evaluating data from the 2010 to 2016 Nationwide Inpatient Sample (NIS). Methodology We retrospectively evaluated data from the 2010 to 2016 NIS. TEER was identified using International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) and International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10- CM) codes of 35.97 and 02UG3JZ, respectively, from our dataset. The study sample was stratified based on renal function into two groups (CKD and no CKD). Patients with CKD were identified using ICD-9-CM codes 585.3, 585.4, 585.5, and 585.6 and ICD-10-CM codes N18.3, N18.4, N18.5, and N18.6. Results There was no significant difference in major complications and overall complications between patients with and without CKD. However, heart failure, non-ST-elevation myocardial infarction, cardiac tamponade, and cardiogenic shock were more prevalent in the CKD group. Patients with CKD were also more likely to sustain respiratory failure, post-procedure hemothorax, and require blood product transfusions. For renal complications, analysis showed that superimposed acute kidney injury and the need for hemodialysis were more common in the CKD group. Of note, there was no difference in neurologic complications, gastrointestinal bleeding, and thromboembolic complications between both groups. Patients with CKD who underwent TEER were more likely to have prolonged hospital stays without a significant increase in hospitalization charges. These patients were also more likely to be discharged to rehabilitation facilities. Conclusions CKD confers significant morbidity and mortality to patients undergoing TEER. Providers should be aware of these discrepancies in outcomes for patients with CKD in need of TEER to help better optimize their care.
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Cureus
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2024
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Article