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  • 2020-2024  (402)
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  • 2022  (402)
  • 1
    In: Neuro-Oncology, Oxford University Press (OUP), Vol. 24, No. 8 ( 2022-08-01), p. 1389-1399
    Abstract: This multinational study was conducted to report clinical presentations and treatment strategies in patients with intracranial germinomas across selected Asian centers, including failure patterns, risk factors, and outcomes. Methods A retrospective data collection and analysis of these patients, treated between 1995 and 2015 from eight healthcare institutions across four countries was undertaken. Results From the results, 418 patients were analyzed, with a median follow-up of 8.9 years; 79.9% of the patients were M0, and 87.6% had β-human chorionic gonadotropin values & lt;50 mIU/mL. The 5/10-year overall survival (OS) and recurrence-free survival (RFS) rates were 97.2%/96.2% and 89.9%/86.9%, respectively. RFS was predicted by the radiotherapy (RT) field, with focal RT having the worst outcome, whereas chemotherapy usage had no impact on survival. Among patients who received chemotherapy, response to chemotherapy did not predict survival outcomes. In M0 patients, primary basal ganglia tumors predicted a worse RFS. In patients with bifocal tumors, an extended field RT was associated with better outcomes. In multivariable analysis, only RT fields were associated with RFS. In relapsed patients, salvage rates were high at 85.7%. Additionally, patients who received salvage RT had a better outcome (91.6% vs. 66.7%). Conclusions Survival outcomes of patients with germinoma were excellent. Thus, the focus of treatment for intracranial germinoma should be on survivorship. Further studies are warranted to find the optimal intensity and volume of radiation, including the role of chemotherapy in the survival of patients with intracranial germinomas, considering age, primary tumor location, and extent of disease.
    Type of Medium: Online Resource
    ISSN: 1522-8517 , 1523-5866
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2022
    detail.hit.zdb_id: 2028601-6
    detail.hit.zdb_id: 2094060-9
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  • 2
    In: Neurosurgery, Ovid Technologies (Wolters Kluwer Health), Vol. 90, No. 5 ( 2022-05), p. 619-626
    Abstract: The role of adjuvant radiotherapy (RT) for benign or atypical meningioma is controversial. OBJECTIVE: To identify prognostic factors and a subgroup that could be potentially indicated for adjuvant RT. METHODS: A total of 336 patients with benign and 157 patients with atypical meningioma underwent surgical resection between January 2015 and December 2019. We retrospectively analyzed 407 patients who did not receive adjuvant RT to stratify risk groups for recurrence. A recursive partitioning analysis (RPA) with the prognostic factors for their failure-free survival (FFS) divided the patients into risk groups. RESULTS: The 3-year FFS with surgical resection only was 76.5%. Identified prognostic factors for FFS were skull base location, tumor size, brain invasion, a Ki-67 proliferation index of ≥5%, and subtotal resection. The RPA-classified patients were divided into 4 risk groups: very low, low, intermediate, and high, and their 3-year FFS were 98.9%, 78.5%, 59.8%, and 34.2%, respectively. Intermediate-risk and high-risk groups comprise the patients with meningioma of sizes ≥2 cm after subtotal resection or meningioma of sizes 〉 3 cm, located in the skull base or with brain invasion, respectively. After combining with patients treated with adjuvant RT, no FFS benefit was found in the very low-risk and low-risk groups after adjuvant RT, whereas significantly improved FFS was found in the intermediate-risk and high-risk groups ( P 〈 .05). CONCLUSION: The RPA classification revealed a subgroup of patients who could be potentially indicated for adjuvant RT even after gross total resection or for whom adjuvant RT could be deferred.
    Type of Medium: Online Resource
    ISSN: 0148-396X , 1524-4040
    RVK:
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2022
    detail.hit.zdb_id: 135446-2
    detail.hit.zdb_id: 1491894-8
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  • 3
    In: Pediatrics International, Wiley, Vol. 64, No. 1 ( 2022-01)
    Abstract: With the coronavirus disease 2019 (COVID‐19) pandemic lasting for more than a year, it is imperative to identify the associated changes in the use of emergency medical care for efficient operation of the pediatric emergency department (PED). This study was conducted to determine the long‐term impact of the COVID‐19 pandemic on patterns of PED visits. Methods This is a retrospective observational study of visits to the PED of six hospitals, between January 1, 2017, and December 31, 2020. We compared changes in the characteristics of patients before and during the COVID‐19 pandemic. Results A total of 245 022 visits were included in this analysis. After the first case of COVID‐19 was reported in Korea, we observed a significant decrease (54.2%) in PED visits compared with the annual average number of visits in the previous 3 years. Since then, the weekly number of PED visits decreased by 11.9 person/week (95% CI: −15.3–−8.4, P   〈  0.001), which included an increase of 0.21% (95% CI: 0.15%–0.26%, P   〈  0.001) per week in high acuity patients. From 2017 to 2020, the proportion of infectious respiratory diseases by year was 25.9%, 27.0%, 28.6%, and 16.3%, respectively, demonstrating a significant decrease in 2020 ( P   〈  0.001). Conclusions During the COVID‐19 pandemic, the number of patient visits to PEDs continues to decline, especially among those with infectious diseases. However, the disease severity of patients has gradually increased. There has been a change in the characteristics of visits to PEDs after COVID‐19 which will require an appropriate response from a long‐term perspective.
    Type of Medium: Online Resource
    ISSN: 1328-8067 , 1442-200X
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2022
    detail.hit.zdb_id: 2008621-0
    detail.hit.zdb_id: 1470376-2
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  • 4
    In: Neuro-Oncology, Oxford University Press (OUP), Vol. 24, No. Supplement_7 ( 2022-11-14), p. vii56-vii56
    Abstract: To compare the outcomes between adjuvant radiotherapy (ART) and surveillance in patients with grade 2 intracranial meningiomas (MNG2s) after surgical resection.Materials and METHODS This multicenter study included 518 patients with newly diagnosed MNG2 who underwent resection between 1998–2018. Patients receiving ART with conventional fractionation (n = 158) were compared with those undergoing surveillance (n = 360). Progression-free survival (PFS) and progression/recurrence (P/R) rates were evaluated. Propensity score matching was performed to adjust for covariables (n = 43 in each group). RESULTS The median follow-up was 64.9 months. The median ART dose was 60 Gy in 30 fractions. Patients receiving ART had larger tumors (median, 5.0 vs. 4.5 cm, P & lt; 0.001) and less frequent gross total resection (69.6% vs. 85.3%, P & lt; 0.001). In multivariable analysis, ART was associated with significantly improved PFS (HR, 0.34; 95% CI, 0.22–0.53; P & lt; 0.001) and P/R (HR, 0.29; 95% CI, 0.18–0.46; P & lt; 0.001). In the propensity score matched cohort, the 5-year PFS rates were 80.8% vs 57.7% (P = 0.020) in the ART and surveillance group, respectively. Even in patients receiving gross total resection, the 5-year PFS (85.0% vs. 64.7%; HR, 0.50; 95% CI, 0.27–0.91; P = 0.023) and P/R rates (15.2% vs. 32.0%; HR, 0.50; 95% CI, 0.25–0.96; P = 0.038) were significantly improved by ART. Using recursive partitioning analysis in patients undergoing surveillance, we classified patients to low-, intermediate-, or high-risk of P/R based on surgical extent, tumor size, and Ki-67 index. The 5-year P/R rates in the low-, intermediate-, and high-risk groups were 18.6%, 37.9%, and 65.3%, respectively. CONCLUSION ART significantly improved PFS and P/R in MNG2s irrespective of surgical extent and should be recommended after both gross total and partial resection. A recursive partitioning analysis model for P/R may guide clinicians for decision making in resected MNG2s.
    Type of Medium: Online Resource
    ISSN: 1522-8517 , 1523-5866
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2022
    detail.hit.zdb_id: 2028601-6
    detail.hit.zdb_id: 2094060-9
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  • 5
    In: Cancer Research and Treatment, Korean Cancer Association, Vol. 54, No. 1 ( 2022-01-15), p. 65-74
    Abstract: Purpose This study aimed to evaluate the role of postoperative radiotherapy (PORT) in intracranial solitary fibrous tumor/hemangiopericytoma (SFT/HPC).Materials and Methods A total of 133 patients with histologically confirmed HPC were included from eight institutions. Gross total resection (GTR) and subtotal resection (STR) were performed in 86 and 47 patients, respectively. PORT was performed in 85 patients (64%). The prognostic effects of sex, age, performance, World Health Organization (WHO) grade, location, size, Ki-67, surgical extent, and PORT on local control (LC), distant metastasis-free survival (DMFS), progression-free survival (PFS), and overall survival (OS) were estimated by univariate and multivariate analyses.Results The 10-year PFS, and OS rates were 45%, and 71%, respectively. The multivariate analysis suggested that PORT significantly improved LC (p 〈 0.001) and PFS (p 〈 0.001). The PFS benefit of PORT was maintained in the subgroup of GTR (p=0.001), WHO grade II (p=0.001), or STR (p 〈 0.001). In the favorable subgroup of GTR and WHO grade II, PORT was also significantly related to better PFS (p=0.028). WHO grade III was significantly associated with poor DMFS (p=0.029). In the PORT subgroup, the 0-0.5 cm margin of the target volume showed an inferior LC to a large margin with 1.0-2.0 cm (p=0.021). Time-dependent Cox proportion analysis showed that distant failures were significantly associated with poor OS (p=0.003).Conclusion This multicenter study supports the role of PORT in disease control of intracranial SFT/HPC, irrespective of the surgical extent and grade. For LC, PORT should enclose the tumor bed with sufficient margin.
    Type of Medium: Online Resource
    ISSN: 1598-2998 , 2005-9256
    Language: English
    Publisher: Korean Cancer Association
    Publication Date: 2022
    detail.hit.zdb_id: 2133613-1
    detail.hit.zdb_id: 2514151-X
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  • 6
    In: Frontiers in Oncology, Frontiers Media SA, Vol. 12 ( 2022-7-1)
    Abstract: We aimed to compare the outcomes of adjuvant radiotherapy (ART) and surveillance in patients with grade 2 meningiomas (MNG2) who underwent surgical resection. Materials and Methods Data from four hospitals, in which patients aged ≥18 years underwent Simpson grade 1−4 surgical resection for newly diagnosed MNG2 between 1998 and 2018, were examined in this multicenter retrospective cohort study. Patients receiving ART with conventional fractionation were compared with those undergoing surveillance. Progression-free survival (PFS), progression/recurrence (P/R) were evaluated. Results This study included 518 patients, 158 of whom received ART. The median follow-up duration was 64.9 months. In the total cohort, ART was independently associated with significantly improved PFS (HR, 0.35; 95% CI, 0.23–0.55; P & lt;0.001) and P/R (HR, 0.30; 95% CI, 0.18–0.48; P & lt;0.001). In the propensity score-matched cohort (n=143 in each group), the 5-year PFS rates were 80.8% and 57.7% (P=0.004), and the 5-year P/R rates were 16.5% and 40.0% (P=0.002) in the ART and surveillance groups, respectively. After gross total resection, the 5-year PFS (85.0% vs. 64.7%; P=0.020) and P/R rates (15.2% vs. 32.0%; P=0.035) were significantly better in the ART group than in the surveillance group. A model for P/R was developed using recursive partitioning analysis with surgical extent, tumor size, and Ki-67 index. ART reduced the risk of P/R in the low- (P=0.069), intermediate- (P=0.044), and high-risk groups (P & lt;0.001). Local control was also significantly enhanced by ART among all the risk groups (all P & lt;0.05). Conclusions ART significantly improved PFS and P/R in patients with MNG2, irrespective of the surgical extent, and can be recommended after gross total resection. A prognostic model may guide decision-making for the use of ART.
    Type of Medium: Online Resource
    ISSN: 2234-943X
    Language: Unknown
    Publisher: Frontiers Media SA
    Publication Date: 2022
    detail.hit.zdb_id: 2649216-7
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  • 7
    Online Resource
    Online Resource
    American Chemical Society (ACS) ; 2022
    In:  ACS Sustainable Chemistry & Engineering Vol. 10, No. 2 ( 2022-01-17), p. 888-898
    In: ACS Sustainable Chemistry & Engineering, American Chemical Society (ACS), Vol. 10, No. 2 ( 2022-01-17), p. 888-898
    Type of Medium: Online Resource
    ISSN: 2168-0485 , 2168-0485
    Language: English
    Publisher: American Chemical Society (ACS)
    Publication Date: 2022
    detail.hit.zdb_id: 2695697-4
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  • 8
    Online Resource
    Online Resource
    Korea Coaching Development Center ; 2022
    In:  Journal of Coaching Development Vol. 24, No. 2 ( 2022-06-30), p. 183-191
    In: Journal of Coaching Development, Korea Coaching Development Center, Vol. 24, No. 2 ( 2022-06-30), p. 183-191
    Type of Medium: Online Resource
    ISSN: 1229-6597 , 2765-3021
    Uniform Title: 복싱선수의 운동열정, 마인드셋, 운동몰입의 관계
    Language: English
    Publisher: Korea Coaching Development Center
    Publication Date: 2022
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  • 9
    In: Frontiers in Pediatrics, Frontiers Media SA, Vol. 10 ( 2022-4-14)
    Abstract: With the outbreak of the COVID-19 pandemic, non-pharmaceutical interventions such as social distancing have been implemented worldwide, and a decrease in other infectious diseases has been reported as an unexpected benefit. However, to date, studies are lacking regarding the effects of the COVID-19 pandemic on neuroinfectious diseases; therefore, we aimed to determine the effects of the COVID-19 pandemic on the incidence of meningitis, which is the most common infectious disease in children. Methods This retrospective study used electronic medical record data from five university hospitals located in the metropolitan cities in Korea. This study included patients aged & lt;18 years who were diagnosed with meningitis between January 2017 and December 2020. We analyzed the clinical characteristics of patients with meningitis and changes in the incidence and causative pathogens of meningitis before and after the COVID-19 outbreak. Results The study included 677 patients with meningitis. Following the outbreak of COVID-19 in Korea in January 2020, the incidence of childhood meningitis significantly decreased and seasonal changes noted yearly disappeared. There was a difference in the age distribution of patients with meningitis. The incidence of meningitis decreased significantly in children aged & gt;5 years, and the incidence in children & lt;5 years of age relatively increased ( p & lt; 0.001). In addition, there was a notable decrease in the cases of suspected meningitis ( p & lt; 0.001). The incidence of enteroviral meningitis, the most common cause of meningitis, significantly decreased. Conclusion After the COVID-19 outbreak, the incidence of childhood meningitis significantly decreased with the implementation of non-pharmaceutical interventions. Absence of enteroviral meningitis and decrease in the proportion of patients aged ≥5 years with meningitis having mild symptoms were noted. Consequently, it can be concluded that the non-pharmaceutical interventions (NPIs) instituted to prevent the spread of COVID-19 had some effect on reducing the incidence of meningitis.
    Type of Medium: Online Resource
    ISSN: 2296-2360
    Language: Unknown
    Publisher: Frontiers Media SA
    Publication Date: 2022
    detail.hit.zdb_id: 2711999-3
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  • 10
    Online Resource
    Online Resource
    Springer Science and Business Media LLC ; 2022
    In:  Clinical Hypertension Vol. 28, No. 1 ( 2022-08-15)
    In: Clinical Hypertension, Springer Science and Business Media LLC, Vol. 28, No. 1 ( 2022-08-15)
    Abstract: Higher pulsatility of the middle cerebral artery (MCA) is known to be associated with stroke progression. We investigated whether pulsatility index (PI) of the basilar artery (BA) can predict neurological deterioration (ND) after acute cerebral infarction. Methods A total of 708 consecutive patients with acute ischemic stroke who had undergone transcranial Doppler (TCD) ultrasonography were included. ND was defined as an increase in the National Institutes of Health Stroke Scale scores by two or more points after admission. The patients were categorized into quartiles according to BA PI. Multivariable logistic regression analysis was performed to examine whether BA PI is independently associated with ND. Results BA PI was well correlated with the right ( n =  474, r 2  = 0.573, P  〈  0.001) by Pearson correlation analysis although MCA PI could not be measured from right MCA ( n =  234, 33.05%) and left MCA ( n =  252, 35.59%) by TCD owing to insufficient temporal bone window. Multivariable logistic regression analysis including age, sex, cerebral atherosclerosis burden, National Institutes of Health Stroke Scale at admission, and the proportion of patients with current smoking status, hypertension, diabetes mellitus, atrial fibrillation revealed that the higher BA PI (odds ratio, 3.28; confidence interval, 1.07–10.17; P =  0.038) was independently associated with ND. Conclusions BA PI, which would be identified regardless of temporal window, could predict ND among acute stroke patients.
    Type of Medium: Online Resource
    ISSN: 2056-5909
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2022
    detail.hit.zdb_id: 2806585-2
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