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Neuroimaging Findings in Patients with COVID-19: A Systematic Review and Meta-Analysis
Kim Pyeong Hwa,Kim Minjae,Suh Chong Hyun,Chung Sae Rom,Park Ji Eun,Kim Soo Chin,Choi Young Jun,Lee Jeong Hyun,Kim Ho Sung,Baek Jung Hwan,Choi Choong Gon,Kim Sang Joon 대한영상의학회 2021 Korean Journal of Radiology Vol.22 No.11
Objective: Central nervous system involvement in coronavirus disease 2019 (COVID-19) has been increasingly reported. We performed a systematic review and meta-analysis to evaluate the incidence of radiologically demonstrated neurologic complications and detailed neuroimaging findings associated with COVID-19. Materials and Methods: A systematic literature search of MEDLINE/PubMed and EMBASE databases was performed up to September 17, 2020, and studies evaluating neuroimaging findings of COVID-19 using brain CT or MRI were included. Several cohort-based outcomes, including the proportion of patients with abnormal neuroimaging findings related to COVID-19 were evaluated. The proportion of patients showing specific neuroimaging findings was also assessed. Subgroup analyses were also conducted focusing on critically ill COVID-19 patients and results from studies that used MRI as the only imaging modality. Results: A total of 1394 COVID-19 patients who underwent neuroimaging from 17 studies were included; among them, 3.4% of the patients demonstrated COVID-19-related neuroimaging findings. Olfactory bulb abnormalities were the most commonly observed (23.1%). The predominant cerebral neuroimaging finding was white matter abnormality (17.6%), followed by acute/subacute ischemic infarction (16.0%), and encephalopathy (13.0%). Significantly more critically ill patients had COVID-19-related neuroimaging findings than other patients (9.1% vs. 1.6%; p = 0.029). The type of imaging modality used did not significantly affect the proportion of COVID-19-related neuroimaging findings. Conclusion: Abnormal neuroimaging findings were occasionally observed in COVID-19 patients. Olfactory bulb abnormalities were the most commonly observed finding. Critically ill patients showed abnormal neuroimaging findings more frequently than the other patient groups. White matter abnormalities, ischemic infarctions, and encephalopathies were the common cerebral neuroimaging findings.
Pyeong Soo Kim,Woo-Keun Kwon,Joo Han Kim,Youn-Kwan Park,문홍주 대한말초신경학회 2016 The Nerve Vol.2 No.2
Objective To compare surgical time and operation preparing time, as well as clinical outcome of unilateral carpal tunnel release (CTR) between the groups which used tourniquet and those whom did not. Methods Of 53 cases of unilateral CTR under local anesthesia from 2011 to 2015, 35 were performed by using forearm tourniquets, while the other 18 were done without using tourniquets. The two groups were compared in terms of surgical time, total operating room(OR) time, preparing time and post-operative clinical outcomes by patients’ satisfaction with the service. Results The mean surgical time was slightly shorter in cases performed with forearm tourniquets (31.63±6.86 vs. 33.33±4.75 min, p>0.05), however did not show any statistical significance. The mean total OR time (53.20±9.26 vs. 51.22± 7.03 min, p>0.05) also did not show any statistically significant differences between groups. However, the mean preparing time for surgery was shorter in the no-tourniquet group with statistical significance (17.89±4.44 vs. 21.57±7.72 min, p=0.03). All 53 patients revealed excellent or good surgical outcome, and there were no difference between two groups. Conclusion The use of forearm tourniquet in unilateral CTR operation under local anesthesia did not influence the actual surgical time nor the clinical outcomes, however did significantly reduce the preparing time for surgery. Therefore, considering the additional time needed for preparation without advantage on the surgical time or clinical outcomes, the use of tourniquet for this specific procedure is not optimal but optional, and can be selected following the surgeons preference.
김평만(Kim, Pyeong Man),강화선(Kang, Wha Sun),김수정(Kim, Soo Jung),이윤동(Lee, Yoon Dong),이인석(Lee, In Suk) 한국서비스경영학회 2018 서비스경영학회지 Vol.19 No.4
This paper introduces ’Sotongyea Chang’ which has been developed at A Hospital (hereafter referred as AH) from 2011 as interprofessionalism program. ‘Sotongyea Chang’ is the project that aims to acknowledge the unique values of AH and implement its mission and goals as a truly healing community through improved communication among various professionals. Its TFT was composed of various professionals and aimed to develop educational modules and train internal instructors. As a result of an interprofessional collaboration, identified the mission and goals of AH(values and ethics), confirm AH’s mission as healing community through communication (communication), specify roles and responsibilities of each professionals(roles and responsibilities), and develop educational modules through on-site practical examples of each professionals(team and teamwork). Educational modules were developed for two years, and 85 educational sessions were provided to various professionals who has worked for more than 5 years. Interprofessional education should have proper assessment tools and a feedback system in order to be improved and led to interprofessional collaborative practice.
Hyung Jun Kim,Ha-Na Song,Ji-Eun Lee,김윤철,In-Young Baek,Ye-Sel Kim,Jong-Won Chung,Tae Keun Jee,Je Young Yeon,Oh Young Bang,Gyeong-Moon Kim,Keon-Ha Kim,Jong-Soo Kim,Seung-Chyul Hong,Woo-Keun Seo,Pyeong J 대한뇌졸중학회 2021 Journal of stroke Vol.23 No.2
Background and Purpose Previous studies have assessed the relationship between cerebral vessel tortuosity and intracranial aneurysm (IA) based on two-dimensional brain image analysis. We evaluated the relationship between cerebral vessel tortuosity and IA according to the hemodynamic location using three-dimensional (3D) analysis and studied the effect of tortuosity on the recurrence of treated IA. Methods We collected clinical and imaging data from patients with IA and disease-free controls. IAs were categorized into outer curvature and bifurcation types. Computerized analysis of the images provided information on the length of the arterial segment and tortuosity of the cerebral arteries in 3D space. Results Data from 95 patients with IA and 95 controls were analyzed. Regarding parent vessel tortuosity index (TI; P<0.01), average TI (P<0.01), basilar artery (BA; P=0.02), left posterior cerebral artery (P=0.03), both vertebral arteries (VAs; P<0.01), and right internal carotid artery (P<0.01), there was a significant difference only in the outer curvature type compared with the control group. The outer curvature type was analyzed, and the occurrence of an IA was associated with increased TI of the parent vessel, average, BA, right middle cerebral artery, and both VAs in the logistic regression analysis. However, in all aneurysm cases, recanalization of the treated aneurysm was inversely associated with increased TI of the parent vessels. Conclusions TIs of intracranial arteries are associated with the occurrence of IA, especially in the outer curvature type. IAs with a high TI in the parent vessel showed good outcomes with endovascular treatment.