Unexpected complication of septal ablation 22 years later, septal diverticule with thrombus.
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ABSTRACT:
SUBMITTER: Okcular Sezer I
PROVIDER: S-EPMC8575390 | biostudies-literature |
REPOSITORIES: biostudies-literature
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Project description:BackgroundSeptal reduction therapy can be considered along the lines of hypertrophic obstructive cardiomyopathy patients who have drug-refractory symptoms. This can be applied either surgical myectomy or either alcohol septal ablation (ASA). Alcohol septal ablation has been performed successfully since the first announcement of ASA in 1995.Case summaryWe present a case report of coronary artery vasospasm that occurred in the left anterior descending artery (LAD) during ASA. We performed ASA via first septal artery. Two cubic centimetre?of 99% ethanol was slowly injected and 10?min later balloon was withdrawn. Then the patient felt severe chest pain; his systolic blood pressure went down quickly and fibrillated. We started the cardiopulmonary resuscitation (CPR). After CPR, the rhythm was achieved total 4?min later cardiac arrest but blood pressure was low. Emergent coronary angiography showed that coronary spasm caused severe occlusion in the LAD segment just after the first septal artery and impaired coronary flow nearly totally in the LAD just after septal artery. At that time, we decided to implant a stent due to the patient's serious condition and a 3.5 × 18 mm drug-eluting stent was implanted. We performed control angiography to patient 3?days later of the procedure and LAD flow was TIMI 3.DiscussionThe causes of LAD occlusion are alcohol leakage, dissection, and vasospasm. It is important to detect the correct reason for appropriate treatment. Alcohol leakage impairs and causes coronary flow disruption; this can cause ventricular wall motion abnormalities. In our case, there was severe spasm in the LAD coronary artery and LAD flow was severely impaired. On echocardiogram, there was no myocardial wall motion abnormality. So alcohol leakage was ruled out. Left anterior descending artery image was not typical dissection. As a result of these findings, we concluded that the cause of LAD occlusion was coronary artery vasospasm.
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Project description:BackgroundThe objective of this study is to examine factors associated with thrombus extension after early experience with mechanochemical ablation, which combines mechanical damage to the venous endothelium with infusion of a sclerosant.MethodsA retrospective review was performed of patients who underwent mechanochemical ablation to treat saphenous vein insufficiency in the thigh including the saphenofemoral junction. Data abstracted included patient demographics, procedural details, and postprocedural outcomes. Thrombus extension was determined by postprocedural duplex ultrasound and classified as flush closure with the femoral vein and any extension of thrombus into the femoral vein.ResultsSeventy-three patients met inclusion criteria. The mean age of the population was 60, 17.8% were female, and the mean body mass index (BMI) was 30.7. Seven (9.6%) patients who underwent mechanochemical ablation experienced saphenous vein closure flush with the femoral vein. Eleven (15%) patients experience extension of thrombus to less than 50% of the diameter of the femoral vein and one patient experienced complete thrombosis of the femoral vein. There was no significant difference in age, sex, or comprehensive classification system for chronic venous disorders between the group with thrombus extension and the group without, with the exception of BMI. The mean BMI in the group with thrombus extension was 26.8 vs. 32 in the group without (P = 0.02). There was no significant difference between the 2 groups in sclerosant volume used, distance between catheter tip and SFJ, and mean diameter of GSV in the thigh.ConclusionsIn this cohort, the incidence of thrombus extension into the femoral vein with mechanochemical ablation was high relative to rates of thrombus extension associated with reported rates of thermal ablation. Further investigation with larger cohorts, and standardized reporting is required to characterize the true rate of thrombus extension after mechanochemical ablation and identify maneuvers which may prevent thrombus extension.
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