Apixaban for massive intracoronary thrombosis: A case series.
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ABSTRACT:
SUBMITTER: Esenboga K
PROVIDER: S-EPMC8443197 | biostudies-literature | 2021 Sep
REPOSITORIES: biostudies-literature
Publications
Apixaban for massive intracoronary thrombosis: A case series.
Esenboğa Kerim K Şahin Ebru E Özyüncü Nil N Tan Türkan Seda TS Atmaca Yusuf Y
Anatolian journal of cardiology 20210901 9
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Project description:BACKGROUND:A woven coronary artery is a rare congenital coronary anomaly and incidentally found in coronary angiogram. Coronary angiography is the major diagnostic modality, which shows the main trunk of coronary divides into several channels which later reconnect with normal blood flow (J Int Cardiol 113:121-123 2006). However, some cases and reviews inferred that this characteristic might be mimicked by recanalized coronary thrombus, which occurs following thrombotic occlusion. In some case, the multiple intraluminal channels have a 'Swiss cheese', a 'Spider web-like', a 'Honeycomb' or a 'Lotus root' appearance and most of them appear in local segment (Int J Cardiol 186: 239-240, 2015). As these images are nonspecific findings, there is no angiographic uniform definition of intracoronary thrombus. More information about the characteristics and the development of this woven-like structure is needed. CASE PRESENTATION:A 67-year-old male patient was admitted to our hospital because of chest pain. Coronary artery angiogram revealed that the right coronary artery (RCA) divided into multiple thin channels from proximal to distal, which was similar to the so-called woven coronary artery. Compared with his prior coronary angiograms which showed a tiny hazy lesion in distal segment of RCA, we found the woven-like phenomena should be caused by a late-stage recanalized coronary thrombus. Percutaneous coronary intervention (PCI) was performed to restore the RCA flow, and the angina symptom was extremely improved during clinical follow-up. CONCLUSIONS:The diagnostic criteria of woven coronary artery was based on angiographic image. However, some cases and reviews inferred that thrombotic recanalization might also share the same characteristic. In this case, we collected the baseline angiograms and intracoronary images then successfully diagnosed the woven-like RCA as thrombotic recanalization. For this kind of woven-like coronary artery, PCI could be a better treatment strategy. Detailed history collection and intracoronary image techniques should be emphasized in future clinical practice in the differentiating and treatment of woven-like phenomena.
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Project description:BackgroundIntraventricular masses are a relatively rare condition ranging from asymptomatic to potentially life-threatening situations.Case summaryHerein, we report a case of a 49-year-old woman under investigation for a massive right ventricular (RV) mass who underwent complete investigation for possible differential diagnosis, in the suspect of RV tumour. Multimodality imaging with cardiac computed tomography and magnetic resonance imaging showed the presence of a massive thrombus partially obliterating the right ventricle. Surgical removal of the mass showed a large area of stratified thrombosis with an underlying area of endocardial fibrosis. The patient has been then discharged in good clinical condition and with lifetime oral anticoagulation.DiscussionMassive RV thrombosis is a rare yet potentially fatal condition. Invasive management is preferable and lifetime anticoagulation is required to reduce possible downstream thrombotic complications.
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Project description:BackgroundData regarding thrombosis after COVID-19 vaccination are scarce.MethodsClinical and laboratory data were collected from all patients who developed thrombosis within 4 weeks of receiving the Pfizer or Oxford/AstraZeneca vaccine. None had a COVID-19-positive swab.ResultsSeventeen patients were included, with average age of 48.8 years and equal proportion of females to males. Our data suggest that thrombosis occurred in 1 in 163,000 of all individuals who had received any dose of any type of COVID-19 vaccine: six (1 in 123,000) patients after the first dose of Oxford/AstraZeneca, none after the second dose of Oxford/AstraZeneca, four (1 in 257,000) patients after the first dose of the Pfizer vaccine, and seven (1 in 102,000) patients after the second dose of Pfizer vaccine. Three of 17 patients with thrombosis (17.6%) died.ConclusionsWe believe this report to be one of the earliest in the literature to address the question of whether isolated thrombosis is a possible complication of COVID-19 vaccination.
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Project description:The coronavirus disease 2019 (COVID-19) pandemic originated from Wuhan, China, in late 2019. In addition to the respiratory system, COVID-19 also affects other organ systems. The disease can lead to cardiovascular complications such as myocarditis, acute myocardial infarction, acute heart failure, and venous thromboembolism; patients with COVID-19 experience more thrombotic events than non-COVID-19 patients. A 50-year-old male cigarette smoker presented to the emergency department (ED) with typical chest pain. His electrocardiography (ECG) showed an anterior STEMI. He developed multiple episodes of ventricular fibrillation (VF) and received defibrillator shocks. His angiogram showed thrombotic severe in-stent restenosis (ISR) of the left anterior descending (LAD) artery stents. A 70-year-old diabetic hypertensive woman presented to the ED with dyspnea and chest pain. The patient had undergone angioplasty two times beforehand, and a fresh angiogram revealed severe thrombotic ISR of LAD stents and another far midpart lesion after the stents. She underwent successful percutaneous coronary intervention (PCI). A 54-year-old man presented to the ED with typical chest pain commencing an hour beforehand. He had undergone angioplasty about 10 years earlier. The patient received the Oxford/AstraZeneca COVID-19 vaccine 36 h before developing chest pain. The ECG revealed an infero-posterior STEMI, and the angiogram depicted thrombotic occluded ISR in the RCA. The patient underwent successful PCI. Patients with COVID-19 or even with COVID-19 vaccination experience stent thrombosis due to a hypercoagulable state. Hence, we need standard guidelines to prevent stent thrombosis.
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Project description:BackgroundPathological studies have reported that patients with acute coronary syndrome (ACS) may have different plaque morphologies at culprit lesions, and one of the underlying mechanisms for ACS is plaque erosion. However, the morphological features of plaque erosion obtained by multiple intracoronary imaging modalities have not been fully elucidated.Case summaryWe experienced two cases with ACS of culprit lesions exhibiting optical coherence tomography (OCT)-defined plaque erosion. Additional examinations using near-infrared spectroscopy (NIRS)-intravascular ultrasound and coronary angioscopy suggested the presence of two distinct phenotypes of plaque erosion. These two types of erosion differ in the extent of NIRS-derived lipid core burden and coronary angioscopy-derived luminal surface colour.DiscussionOCT-defined plaque erosion may not be the unique entity but have at least two distinct plaque morphologies, and NIRS and/or coronary angioscopy may provide incremental ability of discriminating these plaque phenotypes classified as plaque erosion by OCT.
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Project description:INTRODUCTION:Incarceration and necrosis of rectal prolapse is rare but when it occurs it requires urgent management. Perineal rectosigmoidectomy (Altemeier's procedure) may be a reasonable approach for the treatment of this condition. In some cases, a diverting stoma may be necessary. METHODS:We report two cases of incarcerated massive rectal prolapse, one of which also manifested tissue necrosis, that were successfully treated with perineal rectosigmoidectomy. In one case a diverting colostomy was required. Both patients recovered uneventfully. RESULTS:A literature review was performed to determine the optimal management of incarcerated and necrotic rectal prolapse, and to determine the indication for fecal diversion. CONCLUSION:Perineal rectosigmoidectomy (Altemeier's procedure) can be utilized in emergency circumstances and, in our experience, the procedure was both safe and effective. The need for fecal diversion depends on the condition of the patient and the experience and judgement of the surgeon.
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Project description:BackgroundIgG4-related disease (IgG4-RD) is a fibro-inflammatory condition classically causing retroperitoneal fibrosis, aortitis, thyroiditis, or pancreatitis. Diagnosis includes the presence of lymphoplasmacytic infiltrate (with >40% ratio IgG4+:IgG plasma cells) and fibrosis. Cardiac involvement may include aortic, pericardial, or coronary disease. Coronary manifestations encompass obstructive intra-luminal lesions, external encasing pseudo-tumour on imaging, or lymphoplasmacytic arteritis.Case summaryCase 1: A fit and healthy 50-year-old man was found deceased. His only known medical condition was treated Hashimoto's thyroiditis. Post-mortem examination demonstrated an isolated severe stenosis of the left anterior descending (LAD) coronary artery without histopathological evidence of acute myocardial infarction. Coronary plaque histopathology showed florid IgG4-positive plasma cell infiltrate throughout all layers of the artery with dense fibrous tissue connective tissue stroma, all features consistent with coronary artery IgG4-RD. Case 2: A 48-year-old man collapsed at work. Computed tomography scan 1 week prior reported an ill-defined para-aortic retroperitoneal soft tissue density. No cardiac symptoms were reported in life. Post-mortem examination showed coronary arteritis and peri-arteritis with sclerosing peri-aortitis in the LAD. There was myocardial fibrosis of the anterior left ventricle and focal myocarditis of the right ventricle.DiscussionIgG4-related disease presenting as sudden cardiac death without any preceding symptoms is very rare (six prior cases identified on literature review). Reported targeted successful interventions for intracoronary IgG4-RD diagnosed in life have included steroid therapy and B cell depleting therapy (i.e. rituximab). If cardiac symptoms are present in a patient with known IgG4-RD, cardiac investigations should be promptly arranged.
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Project description:Abstract Background Prosthetic valve thrombosis (PVT) is a severe complication of mechanical valve replacement. Simultaneous thrombosis of multiple prosthetic valves is rare and is associated with worse outcomes. Treatment options include anticoagulation, thrombolysis, and redo operative valve replacement, with rare reports of adjunctive balloon valvuloplasty. There is limited evidence to guide therapeutic selection, specifically dosing, timing, and duration of thrombolysis. The following case series highlights the importance of successful thrombolytic management in dual PVT with high bleeding risk defined as a coagulopathy with an elevated international normalized ratio greater than 3 and New York Heart Association (NYHA) Class III and IV heart failure. Case summary We describe two patients with concomitant aortic and mitral PVT. Both patients presented in NYHA Class III and IV heart failure with different challenges to surgical treatments including high bleeding risk from coagulopathy and history of multiple prior sternotomies. After multi-disciplinary discussions, both patients underwent a combination of low-dose, slow, or ultra-slow infusion of tissue plasminogen activator, with a resolution of their dual PVT seen on cine-fluoroscopy imaging as freely moving mechanical leaflets and improvement of heart failure symptoms back to baseline NYHA Class II or lower. Discussion Prosthetic valve thrombosis is a complex medical condition requiring a multi-disciplinary team to evaluate the best course of treatment. A trial of pharmacologic thrombolysis is often the first attempted treatment for obstructive PVT, although surgery is recommended for patients with NYHA IV symptoms, or with contraindications to thrombolysis, including high bleeding risk. However, in patients with high bleeding risk and NYHA Class III and IV heart failure, especially with surgical contraindications, low-dose thrombolytics, with slow or ultra-slow infusions, may still be safe and effective treatment strategies for multi-valve PVT. Further research is needed to guide thrombolysis in multi-valve PVT.
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Project description:BackgroundVitamin K antagonists (VKAs) have been regarded as the therapy of choice for intracardiac thrombosis for decades based mostly on observational data. The advent of direct oral anticoagulants (DOACs) has displaced VKAs as the first-line therapy for multiple thrombotic disorders but not for intracardiac thrombosis. Although limited, there is growing evidence that DOACs are effective for intracardiac thrombosis and some data suggest that thrombus resolution might be superior to that with warfarin.Case summaryHere, we present a series of six patients with left atrial appendage thrombi were treated with a venous thromboembolic dose of DOACs with resolution within 2-6 months with no reported complications.DiscussionThis case series adds to the accumulating evidence supporting the efficacy of DOACs in the treatment of intracardiac thrombi.
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