Publications by authors named "Shusuke Yagi"

Coarctation of the aorta (CoA) is associated with other congenital cardiovascular anomalies, including ventricular septal defects (VSDs). These anomalies can cause a systolic murmur; however, CoA sometimes remains undiagnosed, even when a VSD is detected in newborns. The coexistence of CoA and VSD poses a high risk of infective endocarditis (IE), making an early diagnosis and treatment crucial.

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Primary malignant melanoma of the esophagus (PMME), a rare histologic type of esophageal cancer, accounts for 0.1-0.8% of all primary esophageal tumors.

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Background: Remarkable advancements in cardiac computed tomography (cCT) have provided new insights into previously undescribed anatomical structures, such as the left atrial diverticula (LADs). The aims of the present study were to assess the characteristics of LADs and their relationship with cardiac function.

Methods: We analyzed consecutive patients who underwent preprocedural cCT and transthoracic echocardiography (TTE) for catheter ablation of paroxysmal or persistent atrial fibrillation between January 2020 and 2022.

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Background: Speckles tracking echocardiography imaging enables clinicians to detect subtle systolic dysfunction. The aim of the present study was to elucidate the differences in speckle tracking echocardiographic findings between immunoglobulin light chain amyloid cardiomyopathy (AL-CM) and transthyretin amyloid cardiomyopathy (TTR-CM).

Methods: The patients with a confirmed diagnosis of cardiac amyloidosis through cardiac biopsy from March 2013 to October 2022 were included.

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Article Synopsis
  • Two patients with paroxysmal atrial fibrillation developed pulmonary vein stenosis (PVS) after AF ablation, with Case 1 being a female in her 50s and Case 2 a male in his 60s.
  • The first patient showed high-degree left superior PVS 15 months post-ablation, while the second had progressive PVS nine months later, confirmed through contrast-enhanced CT and ventilation-perfusion scans.
  • PVS is a rare complication of AF ablation that can lead to severe issues if untreated, and the case report emphasizes the importance of V/Q scans in assessing PVS despite its common association with pulmonary embolism evaluations.
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Persistent or paroxysmal atrial fibrillation is typically treated with pulmonary vein isolation (PVI) ablation under deep sedation with propofol. Intraoperative hemodynamic or respiratory instability often interferes with the surgical procedure. We retrospectively investigated risk factors in 80 patients who underwent their first PVI ablation for atrial fibrillation at our hospital.

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Background: Descending necrotizing mediastinitis (DNM) is a rare and life-threatening condition, with high morbidity and mortality. Consequently, appropriate and prompt diagnosis and treatment are necessary. Herein, we report a case of esophageal perforation and bronchial ulcer secondary to DNM, for which thoracoscopic esophagectomy was performed after the failure of conservative treatment.

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A delayed diagnosis of polyarteritis nodosa may lead to critical limb-threatening ischemia (CLTI). A 74-year-old woman presented with left-foot pain and was treated with oral vasodilators and antiplatelet agents. However, the distal ischemia progressed to CLTI, including gangrene of the fingers and toes, and bilateral foot dropping appeared because of peroneal nerve paralysis.

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  • * Most patients received paclitaxel-based treatments (49%), followed by fluoropyrimidines plus platinum (44%), and irinotecan (7%), with overall response rates of 28.7% and disease control rates of 54.1%.
  • * Results indicated a median progression-free survival (PFS) of 5.1 months and overall survival (OS) of 12.9 months, with the combination of paclitaxel and ramucirumab
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  • ApoA-I amyloidosis is a rare systemic condition that typically affects the heart, kidneys, and liver.
  • It is caused by inherited amyloidogenic variants of the APOA1 gene, passed down in an autosomal dominant way.
  • The case study discusses a 69-year-old man with sporadic cardiac amyloidosis who has a homozygous variant of the APOA1 gene, stemming from his consanguineous parents.
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Neurofibromatosis type 1 (NF1) is an autosomal dominant multi-organ disease. The clinical manifestations include not only skin lesions and malignant tumors but also lung complications, including pulmonary arterial hypertension (PAH). However, the association between gene mutations in NF1 and the occurrence of PAH has not yet been elucidated.

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Background: The development of immunohistochemical staining has revealed that gastric adenocarcinoma with the gastric phenotype can be divided into the foveolar, fundic gland, and pyloric gland phenotypes. Gastric adenocarcinoma of the pyloric gland type is difficult to diagnose using biopsy because of its low atypia and rarity. Herein, we describe a case of gastric adenocarcinoma of the pyloric gland type that was diagnosed immunohistochemically after endoscopic resection.

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Background: Radical gastrectomy followed by adjuvant chemotherapy is the standard treatment for stage II or III gastric cancer in Asian countries. Early recurrence during or after adjuvant chemotherapy is associated with poor prognosis; however, risk factors for early recurrence remain unclear.

Methods: In this multicenter, retrospective cohort study including six institutions, we evaluated the clinicopathological factors of 553 patients with gastric cancer undergoing gastrectomy followed by adjuvant chemotherapy between 2012 and 2016.

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Background: The role of the angiotensin receptor neprilysin inhibitor (ARNI) in cardiac function, particularly its impact on pulmonary circulation, remains underexplored. Recent studies have described abnormal mean pulmonary artery pressure (mPAP)-cardiac output (CO) responses as having the potential to assess the disease state. The aim of this study was to assess the effects of ARNI on pulmonary circulation in heart failure.

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Article Synopsis
  • - The study examines how epicardial adipose tissue volume (EATV) relates to left atrial size in patients with sinus rhythm (SR) and atrial fibrillation (AF), while focusing on sex differences.
  • - Results showed that, in patients with SR, EATV had a positive correlation with left atrial size (LAVI) in men, but no correlation in women; in AF patients, women showed a negative correlation, while men had no significant correlation.
  • - The findings suggest that EATV may influence sex differences in the relationship to cardiovascular conditions, offering insights into the differing impacts on men and women in the context of AF and cardiac health.
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Background: Gastrocutaneous fistulas are a rare complication of enterocutaneous fistulas and can be caused by intestinal injury, infection, and anastomotic leakage. They are typically treated conservatively or endoscopically; however, for large or difficult-to-treat gastrocutaneous fistulas, surgical intervention is required. Herein, we present a case of a huge gastrocutaneous fistula that was successfully treated with a two-stage surgery performed using open abdomen management.

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  • Sterile inflammation from metabolic disorders affects blood vessel function, and this study investigates how hyperglycemia-linked inflammation, particularly through the STING pathway, contributes to endothelial dysfunction in diabetic mice.
  • Researchers found that high blood sugar levels increased STING and DNA damage markers in the aorta, and deleting STING improved blood vessel response to certain stimuli in diabetic conditions.
  • The study concluded that the STING pathway exacerbates endothelial dysfunction and suggests that targeting STING could be a potential treatment for these issues related to high blood sugar levels.
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  • * A study involving 513 patients found that calcium volume and serum Lp(a) levels were significantly higher in those requiring aortic valve replacement, and age, female sex, Lp(a), and hemoglobin A1c were identified as key factors linked to calcium volume.
  • * The research suggests that high serum Lp(a) is a strong risk factor for AVC in patients at risk for atherosclerosis, with an optimal cut-off level determined for better predictive analysis.
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Background: Leakage of cervical esophagogastric anastomosis is a serious complication of esophagectomy. However, there is no established way to treat the anastomosis leakage.

Case Presentation: The case is a 69-year-old man with locally advanced esophageal and two early gastric cancers.

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Background: Cancer therapeutics-related cardiac dysfunction (CTRCD) affect the prognosis of patients with breast cancer. Echocardiographic surveillance of patients treated with anti-human epidermal growth factor receptor type 2 (HER2) antibodies has been recommended, but few reports have provided evidence on patients with breast cancer only. We aimed to evaluate the effectiveness of echocardiographic surveillance for breast cancer patients.

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The Mediterranean diet, which is characterized by high consumption of olive oil, prevents cardiovascular disease. Meanwhile, olive mill wastewater (OMWW), which is obtained as a byproduct during olive oil production, contains various promising bioactive components such as water-soluble polyphenols. Hydroxytyrosol (HT), the major polyphenol in OMWW, has anti-oxidative and anti-inflammatory properties; however, the atheroprotective effects of OMWW and HT remain to be fully understood.

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  • Dotinurad is a new medication that helps lower uric acid levels by promoting its excretion in patients suffering from hyperuricemia and hypertension.
  • This study involved a 24-week trial where 50 patients received varying doses of dotinurad, measuring changes in serum uric acid levels and cardiovascular health indicators.
  • Results showed a significant reduction in uric acid levels by 35.8%, with improvements noted in arterial stiffness and oxidative stress markers, indicating potential additional heart and vascular benefits from the treatment.
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