scholarly journals Optical computed tomography (OCT) guided follow up of primary PCI patients for predicting factors for restenosis and late stent malapposition

2021 ◽  
Vol 73 ◽  
pp. S14-S15
Author(s):  
Swati Sharma ◽  
Rishi Sethi
Keyword(s):  
Computed Tomography ◽  
Primary Pci ◽  
Optical Computed Tomography ◽  
Predicting Factors

scholarly journals Factors Associated with Development of in Coronary Stent Restenosis — the Results of a Multislice Computed Tomography 1-year Follow-up Study

2016 ◽  
Vol 1 (1) ◽  
pp. 37-41
Author(s):  
Laura Jani ◽  
András Mester ◽  
Alexandra Stănescu ◽  
Sebastian Condrea ◽  
Monica Chiţu ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Acute Coronary Syndrome ◽  
Primary Pci ◽  
Coronary Syndrome ◽  
Non Invasive ◽  
Stent Restenosis ◽  
Significant Difference ◽  
Group A ◽  
Group B

Abstract Introduction: Percutaneous coronary intervention is the first therapeutic choice in the treatment of symptomatic coronary artery disease and Multi-Slice Computed Tomography Coronary Angiography (MSCT-CA) is a new non-invasive diagnostic tool in the follow-up of these patients. The aim of our study was to evaluate the rate of in-stent restenosis (ISR), to identify the predictive factors for ISR at 1 year after PCI and to assess the progression of non-culprit lesions, using a MSCT-CA follow-up. Material and methods: The study included 30 patients with acute coronary syndrome treated with one BMS implantation. The patients were divided into Group A (9 patients) presenting ISR and Group B (21 patients) without ISR at 1 year MSCT-CA follow-up. Results: ISR lesions were mostly localized on the LAD (45%). No significant difference between the study groups was identified for risk factors, as male gender (77.7% vs. 85.71%, p = 0.62), hypertension (88.8% vs. 95.23%, p = 0.51), smoking status (33.3% vs. 72.22%, p = 0.23), history of CVD (55.5% vs. 47.61%, p >0.99), diabetes (11.11% vs. 19.04%, p >0.99), hyperlipidemia (22.22% vs. 52.38%, p = 0.22), CKD (44.44% vs. 14.28%, p = 0.15), age, triglycerides and SYNTAX Score. A significant difference was recorded in baseline cholesterol level (141.7 ± 8.788 vs. 182.8 ± 12; p = 0.029). Ca Score at 1 year was significantly higher in patients with ISR (603.1 ± 529.3 vs. 259.4 ± 354.6; p = 0.005). 66.67% of patients from Group A presented significant non-culprit lesions at baseline vs. 23.81% in Group B (p = 0.041). Conclusions: MSCT-CA is a useful non-invasive diagnostic tool for ISR in the follow-up of patients who underwent primary PCI for an acute coronary syndrome. The presence of significant non-culprit lesions at the time of the primary PCI could be a predictive factor for ISR. A Ca Score >400 determined at 1-year follow-up is associated with a higher rate of ISR, and could be considered a significant cardiovascular risk factor for this group of patients. Further studies are required in order to elucidate the role of various imaging biomarkers in predicting the development of ISR.

Multislice imaging of gastrointestinal stromal tumors

2018 ◽  
pp. 3-14
Keyword(s):  
Computed Tomography ◽  
Key Words ◽  
Gold Standard ◽  
Gastrointestinal Stromal Tumors ◽  
Mesenchymal Tumors ◽  
Stromal Tumors ◽  
Preferential Localization ◽  
Multislice Imaging ◽  
Computed Tomography Diagnosis

Gastrointestinal stromal tumors (GIST) are the most common mesenchymal tumors of the digestive tract (1%). These tumors express the CD 117 in 95% of cases. The stomach is the preferential localization (70%). Diagnosis is difficult and sometimes late. Progress of imaging has greatly improved the management and the prognosis. Computed tomography (CT) is the gold standard for diagnosis, staging, and treatment follow-up. The increasing recognition of GIST’s histopathology and the prolonged survival revealed some suggestive imaging aspects. Key words: gastro-intestinal stromal tumors; computed tomography; diagnosis

Noninvasive Follow-Up of Coronary Artery Bypass Graft Patency Using Multi-Slice Computed Tomography

2006 ◽  
Vol 55 (5) ◽  
pp. 451
Author(s):  
Seung Ho Joo ◽  
Byoung Wook Choi ◽  
Jae Seung Seo ◽  
Young Jin Kim ◽  
Tae Hoon Kim ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Coronary Artery ◽  
Coronary Artery Bypass Graft ◽  
Coronary Artery Bypass ◽  
Artery Bypass ◽  
Bypass Graft ◽  
Graft Patency ◽  
Artery Bypass Graft

An Invasive Hemolymphangioma of the Pancreas in a Young Woman

2019 ◽  
Vol 21 (10) ◽  
pp. 798-800 ◽  
Author(s):  
Zhijun Zhang ◽  
Qinghong Ke ◽  
Weiliang Xia ◽  
Xiuming Zhang ◽  
Yan Shen ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Case Report ◽  
Young Woman ◽  
Benign Tumor ◽  
Abdominal Distension ◽  
Accurate Diagnosis ◽  
Cystic Tumor ◽  
Rare Benign Tumor ◽  
Radical Surgical Resection

Background: Hemolymphangioma is a rare benign tumor. To the best of our knowledge, there were only 10 reports of this tumor of the pancreas until March 2018. Case Report: Here, we reported a large invasive hemolymphangioma of the pancreas in a young woman with a complaint of abdominal distension and an epigastric mass about 3 weeks. She was found to have a huge multilocular cystic tumor at the neck and body of pancreas on computed tomography. She was eventually diagnosed with hemolymphangioma of the pancreas after operation. After 2 years of follow-up, there was no signs of recurrence. Conclusion: From our case and literature, we can conclude that hemolymphangioma of the pancreas is uncommon benign tumor, and it is hard to make an accurate diagnosis preoperatively. Radical surgical resection should be performed whenever possible. The prognosis of this disease seems good.

Assessment of Duodenal Diverticula: Computed Tomography Findings

2019 ◽  
Vol 15 (10) ◽  
pp. 948-955
Author(s):  
Erdem Yilmaz ◽  
Osman Kostek ◽  
Savas Hereklioglu ◽  
Muhammet Goktas ◽  
Nermin Tuncbilek
Keyword(s):  
Computed Tomography ◽  
Contrast Agent ◽  
Ampulla Of Vater ◽  
Common Type ◽  
Radiological Features ◽  
New Findings ◽  
Duodenal Diverticula ◽  
Median Diameter ◽  
Colonic Diverticula

Aims: To demonstrate the prevalence, accompanying pathologies, imaging and follow up findings of Duodenal Diverticula (DD) with Multidetector Computed Tomography (MDCT). Materials and Methods: Consecutive 2910 abdominal MDCTs were retrospectively reviewed on axial, coronal and sagittal planes. DD were evaluated for prevalence, location, number, size, contents, diverticular neck, accompanying pancreaticobiliary pathologies, jejunal and colonic diverticula, respectively. Results: DD were diagnosed in 157 cases (5.4%) and found mostly in the second part of the duodenum. Juxta-ampullary DD was the most common type (78.3%) and mostly located ventral (n:86, 69.9%) to the ampulla of Vater. DD was solitary in 123 patients (78.3%) and more than one in 34 patients (21.7%). The median diameter of DD was 2.5 cm (range 1.5-3.6 cm) in the long-axis. The lumen of DD contains air and contrast agent (n:96, 61.1%); air, contrast agent and debris (n:42, 26.7%) in most cases. Colonic diverticula (n:36, 22.9%), cholelithiasis (n:32, 20.4%), choledocholithiasis (n:7, 4.4%), and biliary dilatation (n:8, 5.1%) were the most common additional findings. Median follow-up time was 23 months (range 11 to 41 months). In three cases, new findings (cholelithiasis, n:3, choledocholithiasis, n:1) were detected. Conclusion: Accompanying pathologies with DD diagnosis are valuable for physicians in order to manage the patients. Following clinical and radiological features of well-diagnosed DD might reduce the possible complications.

Association between multimodality measures of aortic stenosis severity and quality-of-life improvement outcomes after transcatheter aortic valve replacement

2021 ◽  
Author(s):  
Michael A Catalano ◽  
Shahryar G Saba ◽  
Bruce Rutkin ◽  
Greg Maurer ◽  
Jacinda Berg ◽  
...  
Keyword(s):  
Quality Of Life ◽  
Computed Tomography ◽  
Aortic Valve ◽  
Transcatheter Aortic Valve Replacement ◽  
Multivariable Analysis ◽  
Calcium Score ◽  
Post Intervention ◽  
Transcatheter Aortic Valve

Abstract Aims Up to 40% of patients with aortic stenosis (AS) present with discordant grading of AS severity based on common transthoracic echocardiography (TTE) measures. Our aim was to evaluate the utility of TTE and multi-detector computed tomography (MDCT) measures in predicting symptomatic improvement in patients with AS undergoing transcatheter aortic valve replacement (TAVR). Methods and results A retrospective review of 201 TAVR patients from January 2017 to November 2018 was performed. Pre- and post-intervention quality-of-life was measured using the Kansas City Cardiomyopathy Questionnaire (KCCQ-12). Pre-intervention measures including dimensionless index (DI), stroke volume index (SVI), mean transaortic gradient, peak transaortic velocity, indexed aortic valve area (AVA), aortic valve calcium score, and AVA based on hybrid MDCT-Doppler calculations were obtained and correlated with change in KCCQ-12 at 30-day follow-up. Among the 201 patients studied, median KCCQ-12 improved from 54.2 pre-intervention to 85.9 post-intervention. In multivariable analysis, patients with a mean gradient >40 mmHg experienced significantly greater improvement in KCCQ-12 at follow-up than those with mean gradient ≤40 mmHg (28.1 vs. 16.4, P = 0.015). Patients with MDCT-Doppler-calculated AVA of ≤1.2 cm2 had greater improvements in KCCQ-12 scores than those with computed tomography-measured AVA of >1.2 cm2 (23.4 vs. 14.1, P = 0.049) on univariate but not multivariable analysis. No association was detected between DI, SVI, peak velocity, calcium score, or AVA index and change in KCCQ-12. Conclusion Mean transaortic gradient is predictive of improvement in quality-of-life after TAVR. This measure of AS severity may warrant greater relative consideration when selecting the appropriateness of patients for TAVR.

scholarly journals Efficacy of chest X-ray in the diagnosis of COVID-19 pneumonia: comparison with computed tomography through a simplified scoring system designed for triage

2021 ◽  
Vol 52 (1) ◽  
Author(s):  
Akın Çinkooğlu ◽  
Selen Bayraktaroğlu ◽  
Naim Ceylan ◽  
Recep Savaş
Keyword(s):  
Computed Tomography ◽  
Intensive Care ◽  
Intensive Care Units ◽  
Scoring System ◽  
Imaging Modality ◽  
Ground Glass Opacity ◽  
Initial Presentation ◽  
X Ray ◽  
Chest X Ray

Abstract Background There is no consensus on the imaging modality to be used in the diagnosis and management of Coronavirus disease 2019 (COVID-19) pneumonia. The purpose of this study was to make a comparison between computed tomography (CT) and chest X-ray (CXR) through a scoring system that can be beneficial to the clinicians in making the triage of patients diagnosed with COVID-19 pneumonia at their initial presentation to the hospital. Results Patients with a negative CXR (30.1%) had significantly lower computed tomography score (CTS) (p < 0.001). Among the lung zones where the only infiltration pattern was ground glass opacity (GGO) on CT images, the ratio of abnormality seen on CXRs was 21.6%. The cut-off value of X-ray score (XRS) to distinguish the patients who needed intensive care at follow-up (n = 12) was 6 (AUC = 0.933, 95% CI = 0.886–0.979, 100% sensitivity, 81% specificity). Conclusions Computed tomography is more effective in the diagnosis of COVID-19 pneumonia at the initial presentation due to the ease detection of GGOs. However, a baseline CXR taken after admission to the hospital can be valuable in predicting patients to be monitored in the intensive care units.

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