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  • S. Karger AG  (105)
  • Medicine  (105)
  • 1
    In: Ophthalmologica, S. Karger AG
    Abstract: 〈 b 〉 〈 i 〉 Introduction: 〈 /i 〉 〈 /b 〉 The aim of the study was to determine the short-term real-world safety and efficacy of intravitreal brolucizumab injections in Korean patients with neovascular age-related macular degeneration (nAMD). 〈 b 〉 〈 i 〉 Methods: 〈 /i 〉 〈 /b 〉 This multicenter retrospective study involved 294 eyes (treatment naïve 20 eye [6.8%] and nontreatment naïve 274 eyes [93.2%] ) of 290 patients from 13 hospitals or retinal centers in South Korea. Patients with nAMD who received brolucizumab injection(s) between April 1 and November 30, 2021, with a follow-up ≥1 month, were included. Primary outcomes were safety, incidence of intraocular inflammation (IOI), and potential risk factors. The secondary outcome was efficacy, i.e., change in best-corrected visual acuity (BCVA) and optical coherence tomography-measured macular thickness and retinal fluid. 〈 b 〉 〈 i 〉 Results: 〈 /i 〉 〈 /b 〉 The mean age was 71.63 ± 8.66. The follow-up period was 2.38 ± 0.79 months. The mean number of brolucizumab injections during the follow-up was 1.52 ± 0.58. The overall incidence of IOI was 13.9% ( 〈 i 〉 n 〈 /i 〉 = 41 eyes). Most IOI cases were of anterior uveitis (8.8%, 26 eyes), followed by retinal vasculitis (2.4%, seven eyes) and occlusive retinal vasculitis (0.3%, one eye). Most eyes showed IOI resolution ( 〈 i 〉 n 〈 /i 〉 = 40, 97.5%) and BCVA restoration ( 〈 i 〉 n 〈 /i 〉 = 39, 95.1%) with or without corticosteroid treatment during the follow-up. Age, sex, IOI history, or other anti-vascular endothelial growth factor injection histories were not associated with the occurrence of IOI. However, only thin subfoveal choroidal thickness (SFCT) was associated with the occurrence of IOI (odds ratio = 0.995, 〈 i 〉 p 〈 /i 〉 = 0.020). BCVA at 1 month improved from baseline (baseline 0.518 ± 0.356 vs. 1 month 0.503 ± 0.383, 〈 i 〉 p 〈 /i 〉 = 0.023), but the improvement was not maintained. Anatomical improvement was significant after 3 months. 〈 b 〉 〈 i 〉 Conclusion: 〈 /i 〉 〈 /b 〉 In Korean patients with nAMD, the incidence of IOI following brolucizumab injections was 13.9%. IOI was well-controlled with or without steroid treatment. Most IOI eyes (95.1%) were restored to the level of vision before. IOI occurrence and occlusive vasculitis was rare. In the short term, brolucizumab injection effectively improved vision at 1 month and dried retinal fluid for 3 months.
    Type of Medium: Online Resource
    ISSN: 0030-3755 , 1423-0267
    RVK:
    Language: English
    Publisher: S. Karger AG
    Publication Date: 2023
    detail.hit.zdb_id: 1483531-9
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  • 2
    In: Oncology, S. Karger AG, Vol. 100, No. 10 ( 2022), p. 529-535
    Abstract: 〈 b 〉 〈 i 〉 Introduction: 〈 /i 〉 〈 /b 〉 Pathological complete response (pCR) after neoadjuvant chemotherapy (NAC) is associated with improvement in survival outcomes. This study evaluated the pCR in patients with hormone receptor (HR)-positive and human epidermal growth factor receptor 2 (HER2)-negative breast cancer after NAC. 〈 b 〉 〈 i 〉 Methods: 〈 /i 〉 〈 /b 〉 We evaluated 417 patients who were diagnosed with invasive breast cancer and treated with NAC followed by curative surgery between January 2007 and December 2020 and analyzed the pCR for HR-positive and HER2-negative breast cancer. 〈 b 〉 〈 i 〉 Results: 〈 /i 〉 〈 /b 〉 The median age at the time of surgery was 45.4 years, and 9.1% of patients (38 of 417) with HR-positive/HER2-negative status had pCR. Among patients with HR-positive/HER2-negative breast cancer, patients with single HR-positivity had a 20.2% pCR rate, and patients with double HR-positivity had a 4.4% pCR rate. Patients with a high Ki-67 index exhibited a higher pCR rate than those with a lower Ki-67 index (14.5% vs. 3.2%). Patients with single HR-positive and high Ki-67 values exhibited a significantly higher pCR rate than those with double HR-positive and low Ki-67 values (27.8% vs. 2.1%; 〈 i 〉 p 〈 /i 〉 & #x3c; 0.001). 〈 b 〉 〈 i 〉 Conclusion: 〈 /i 〉 〈 /b 〉 NAC could improve prognosis in patients with HR-positive/HER2-negative breast cancer with a single HR-positive and high Ki-67 values.
    Type of Medium: Online Resource
    ISSN: 0030-2414 , 1423-0232
    RVK:
    Language: English
    Publisher: S. Karger AG
    Publication Date: 2022
    detail.hit.zdb_id: 1483096-6
    detail.hit.zdb_id: 250101-6
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  • 3
    In: Digestion, S. Karger AG, Vol. 90, No. 4 ( 2014), p. 254-260
    Abstract: 〈 b 〉 〈 i 〉 Background/Aim: 〈 /i 〉 〈 /b 〉 Little is known about the patterns of treatment failure following definitive chemoradiotherapy (CCRT), especially in esophageal squamous cell carcinoma (SCC). We evaluated definitive CCRT failure patterns and determined the predictive factors for treatment response in esophageal SCC. 〈 b 〉 〈 i 〉 Methods: 〈 /i 〉 〈 /b 〉 We evaluated 136 consecutive patients with esophageal SCC treated with definitive CCRT. We evaluated the factors associated with complete remission (CR) after CCRT and analyzed the pattern of treatment failure of recurred patients and incomplete remission patients. The failures were categorized as either within (locoregional failure) or outside the radiation field (out-field failure). 〈 b 〉 〈 i 〉 Results: 〈 /i 〉 〈 /b 〉 Fifty-seven patients achieved CR after CCRT. Consolidation chemotherapy was significantly associated with CR. Only 4 (7.0%) patients had CR after CCRT in patients with M1a node (Celiac or subclavian lymph nodes involvement by 6th AJCC). During follow-up, 74 patients (54.4%) experienced locoregional failure, 26 (19.1%) out-field failure, and 35 (25.7%) no failure. Esophageal obstruction prior to CCRT, residual tumor according to the first follow-up endoscopy, and poor follow-up computed tomography responses were significantly associated with locoregional failure. 〈 b 〉 〈 i 〉 Conclusion: 〈 /i 〉 〈 /b 〉 Approximately 70% of treatment failures were local failures. Future therapeutic strategies need to focus on improving local control to increase treatment outcomes of CCRT.
    Type of Medium: Online Resource
    ISSN: 0012-2823 , 1421-9867
    RVK:
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    Language: English
    Publisher: S. Karger AG
    Publication Date: 2014
    detail.hit.zdb_id: 1482218-0
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  • 4
    In: Digestion, S. Karger AG, Vol. 72, No. 4 ( 2005), p. 207-211
    Abstract: 〈 i 〉 Background/Aims: 〈 /i 〉 No reliable nationwide clinical data about chronic pancreatitis (CP) was available in Korea. The etiology and clinical features of CP were investigated using a multicenter nationwide study. 〈 i 〉 Methods: 〈 /i 〉 814 cases of CP were enrolled retrospectively over the past 4 years at 13 hospitals. The following data were obtained from all patients: etiology, symptoms, complications, and surgery. 〈 i 〉 Result: 〈 /i 〉 Alcohol (64.3%) was the major cause of CP and idiopathic CP (20.8%) was the second most common form. Mean patient age was 50.6 years and the male:female ratio was 6:1 (24:1 for alcoholic CP vs. 2:1 in idiopathic CP, p 〈 0.001). Diabetes (31.6%), pseudocysts (28.4%), biliary stricture (13.9%), and pancreatic ascites (6.6%) were the main complications. Of these, diabetes (35 vs. 26%) and pseudocyst (33.7 vs. 21.9%) were more frequent in alcoholic than in idiopathic CP. Pancreatic cancer developed in 25 patients (3.1%) during follow-up and their mean age was 59.1 years. 〈 i 〉 Conclusions: 〈 /i 〉 In Korea, alcohol is the most common etiology of CP. Moreover, diabetes and pseudocysts are frequent complications, especially in alcoholic CP, and pancreatic cancer development is not infrequent.
    Type of Medium: Online Resource
    ISSN: 0012-2823 , 1421-9867
    RVK:
    RVK:
    Language: English
    Publisher: S. Karger AG
    Publication Date: 2005
    detail.hit.zdb_id: 1482218-0
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  • 5
    In: Oncology, S. Karger AG, Vol. 90, No. 2 ( 2016), p. 103-111
    Abstract: 〈 b 〉 〈 i 〉 Background/Objective: 〈 /i 〉 〈 /b 〉 The aim of this study was to evaluate the characteristics and prognostic factors of small cell lung cancer (SCLC) with bone metastases. We also investigated the characteristics and predictive factors of skeletal-related events (SREs) in these patients. 〈 b 〉 〈 i 〉 Materials and Methods: 〈 /i 〉 〈 /b 〉 Sixty-one patients who were first diagnosed with SCLC with bone metastases at our institution were included in this retrospective analysis. 〈 b 〉 〈 i 〉 Results: 〈 /i 〉 〈 /b 〉 The overall survival (OS) of patients with bone metastases was shorter than that of patients without bone metastases (4.13 vs. 6.17 months, p = 0.015). Poor Eastern Cooperative Oncology Group (ECOG) performance status (PS; ≥2) and higher serum alkaline phosphatase (ALP; above upper normal limit × 2) were independent poor prognostic factors (p = 0.027 for ECOG PS, p = 0.002 for ALP). More than 1 SRE occurred in 21 patients (34.4%). Cervical spine metastasis, thoracic spine metastasis, pelvic bone metastasis, more than 5 bone metastatic regions and higher serum lactate dehydrogenase were correlated with the occurrence of SREs. Thoracic spinal metastasis was a strong predictive factor for the occurrence of SREs (odds ratio = 5.475; 95% CI: 1.080-27.755). 〈 b 〉 〈 i 〉 Conclusion: 〈 /i 〉 〈 /b 〉 Our study demonstrates the poor prognosis of SCLC patients with bone metastases. Physicians should treat SCLC patients with bone metastases with caution.
    Type of Medium: Online Resource
    ISSN: 0030-2414 , 1423-0232
    RVK:
    Language: English
    Publisher: S. Karger AG
    Publication Date: 2016
    detail.hit.zdb_id: 1483096-6
    detail.hit.zdb_id: 250101-6
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  • 6
    In: European Neurology, S. Karger AG, Vol. 69, No. 1 ( 2013), p. 33-40
    Abstract: 〈 b 〉 〈 i 〉 Background: 〈 /i 〉 〈 /b 〉 This study is intended to evaluate the propensities of cilostazol to reduce the pulsatility index (PI) in patients with acute lacunar infarction using the serial transcranial Doppler (TCD) examinations. 〈 b 〉 〈 i 〉 Methods: 〈 /i 〉 〈 /b 〉 In a multicenter, randomized, double-blind, placebo-controlled trial, patients were randomly assigned to receive either placebo or 100 mg cilostazol twice a day as well as aspirin 100 mg a day. The primary outcomes were the changes of middle cerebral artery (MCA) and basilar artery (BA) PIs at 14 and 90 days from the baseline TCD study. This study is registered with ClinicalTrials.gov (NCT00741286). 〈 b 〉 〈 i 〉 Results: 〈 /i 〉 〈 /b 〉 Trial medication was given to 203 patients, with 100 receiving cilostazol and 103 receiving placebo, and 164 were included in the per-protocol analysis of the primary outcome. Results from the linear mixed model showed that significant effects were obtained for time-by-group interactions (p = 0.008 in right MCA, p = 0.015 in left MCA, p = 0.002 in BA), suggesting that changes of PIs from the baseline to the 90-day study were different across the groups. 〈 b 〉 〈 i 〉 Conclusions: 〈 /i 〉 〈 /b 〉 Cilostazol further decreased TCD PIs at 90 days from baseline compared to placebo in acute lacunar infarction. This result may be related to pleiotropic effects, such as vasodilation, beyond its antiplatelet activity.
    Type of Medium: Online Resource
    ISSN: 0014-3022 , 1421-9913
    RVK:
    Language: English
    Publisher: S. Karger AG
    Publication Date: 2013
    detail.hit.zdb_id: 1482237-4
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  • 7
    In: Intervirology, S. Karger AG, Vol. 57, No. 5 ( 2014), p. 239-247
    Abstract: 〈 b 〉 〈 i 〉 Objective: 〈 /i 〉 〈 /b 〉 This study was designed to prospectively evaluate the antiviral responses and evolution of resistance mutations during adefovir (ADV) plus lamivudine (LMV) therapy in patients with entecavir (ETV)-resistant hepatitis B virus (HBV) infection. 〈 b 〉 〈 i 〉 Methods: 〈 /i 〉 〈 /b 〉 Twenty chronic hepatitis B (CHB) patients who had been receiving ETV for more than 6 months and developed virologic breakthrough due to ETV resistance were consecutively enrolled. 〈 b 〉 〈 i 〉 Results: 〈 /i 〉 〈 /b 〉 Patients received ADV plus LMV therapy for 12 months. The baseline mean serum HBV DNA level was 5.59 ± 1.28 log 〈 sub 〉 10 〈 /sub 〉 IU/ml. The rtT184L/I/A/F (50%), rtS202G (25%) and mixed ETV-resistant mutations (25%) were detected at enrollment. The mean reduction in serum HBV DNA levels from baseline to 12 months was -2.3 ± 1.06 log 〈 sub 〉 10 〈 /sub 〉 IU/ml (p 〈 i 〉 〈 〈 /i 〉 0.001). Seventeen patients were followed up for the full 12 months, and complete virologic response (HBV DNA 〈 20 IU/ml) was observed in 4 patients (23.5%). Among the remaining 13 patients who still had detectable HBV DNA, 7 patients showed disappearance of ETV-resistant mutations or reduction of the proportion of ETV-resistant mutants. An ADV- and LMV-resistant mutant (rtA181T) emerged in 2 patients (11.7%). 〈 b 〉 〈 i 〉 Conclusions: 〈 /i 〉 〈 /b 〉 ADV plus LMV combination therapy suppresses ETV-resistant mutants in the viral population and significantly reduces serum HBV DNA levels in ETV-resistant CHB patients.
    Type of Medium: Online Resource
    ISSN: 0300-5526 , 1423-0100
    RVK:
    Language: English
    Publisher: S. Karger AG
    Publication Date: 2014
    detail.hit.zdb_id: 1482863-7
    SSG: 12
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  • 8
    In: Oncology, S. Karger AG, Vol. 88, No. 6 ( 2015), p. 337-344
    Abstract: 〈 b 〉 〈 i 〉 Objective: 〈 /i 〉 〈 /b 〉 Inflammation is associated with worse outcomes in cancer. Operations induce an acute inflammatory response and could impact the clinical outcomes in breast cancer. The neutrophil-lymphocyte ratio (NLR) is a well-known indicator of inflammation. We investigated the prognostic significance of perioperative inflammation with the NLR in breast cancer. 〈 b 〉 〈 i 〉 Methods: 〈 /i 〉 〈 /b 〉 We reviewed the clinical and pathological records of women diagnosed with invasive breast carcinoma at the Samsung Medical Center between 2000 and 2010. The NLR levels in the immediate preoperative period and the postoperative periods (1 week and 1 month) were assessed. 〈 b 〉 〈 i 〉 Results: 〈 /i 〉 〈 /b 〉 The NLRs of a total of 3,116 breast cancer patients were examined. In the univariate analysis, the NLR in postoperative week 1, total mastectomy, the presence of lymphovascular invasion, a higher nuclear grade and pathologic TNM stage, and negative hormone receptor and subtypes were factors associated with poor disease-specific survival. The NLR in postoperative week 1 remained a significant prognostic factor in the multivariate analysis. A cutoff level of 5.2, determined by the minimum p value approach, was found to be a significant level for discriminating the impact on breast cancer-specific mortality (p = 0.0116 adjusted by the Bonferroni correction). 〈 b 〉 〈 i 〉 Conclusions: 〈 /i 〉 〈 /b 〉 Immediate postoperative inflammation is an important prognostic marker in breast cancer patients.
    Type of Medium: Online Resource
    ISSN: 0030-2414 , 1423-0232
    RVK:
    Language: English
    Publisher: S. Karger AG
    Publication Date: 2015
    detail.hit.zdb_id: 1483096-6
    detail.hit.zdb_id: 250101-6
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  • 9
    In: Oncology, S. Karger AG, Vol. 83, No. 1 ( 2012), p. 31-37
    Abstract: 〈 b 〉 〈 i 〉 Objectives: 〈 /i 〉 〈 /b 〉 This study was designed to assess the necessity of delayed complete axillary lymph node dissection (cALND) for patients whose sentinel lymph nodes (SLNs) were negative for tumors on intraoperative frozen section analysis, but later proven positive on hematoxylin and eosin staining or immunohistochemistry. 〈 b 〉 〈 i 〉 Methods: 〈 /i 〉 〈 /b 〉 We identified 341 patients who underwent sentinel lymph node biopsy (SLNB) with cALND at the Samsung Medical Center between 1998 and 2008, and reviewed the clinicopathological records of women diagnosed with invasive carcinoma of the breast. 〈 b 〉 〈 i 〉 Results: 〈 /i 〉 〈 /b 〉 Of the 341 patients, 59 underwent delayed cALND due to negative results on frozen section. Only 1 patient had a non-SLNs metastasis in the group of delayed cALND. Delayed cALND was associated with higher rates of breast-conserving surgery, smaller primary tumor and metastasis size in SLNs, fewer metastatic lymph nodes and SLNs and a lower TNM stage. The detection of metastases of SLNs on frozen section and the number of metastatic SLNs were related to the detection of additional metastases of nonsentinel lymph nodes (NSLNs) in cALND. 〈 b 〉 〈 i 〉 Conclusion: 〈 /i 〉 〈 /b 〉 Our findings suggest that the lack of detection of metastases on frozen sections may be a predictive factor for nonmetastasis in NSLNs. cALND could therefore be omitted in such cases.
    Type of Medium: Online Resource
    ISSN: 0030-2414 , 1423-0232
    RVK:
    Language: English
    Publisher: S. Karger AG
    Publication Date: 2012
    detail.hit.zdb_id: 1483096-6
    detail.hit.zdb_id: 250101-6
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  • 10
    In: Oncology, S. Karger AG, Vol. 80, No. 3-4 ( 2011), p. 175-180
    Abstract: 〈 i 〉 Objective: 〈 /i 〉 Our aim was to devise a prognostic model for advanced pancreatic cancer based on clinical parameters. 〈 i 〉 Methods: 〈 /i 〉 We retrospectively analyzed the medical records of 298 patients who received gemcitabine-based chemotherapy from January 1999 to November 2008. 〈 i 〉 Results: 〈 /i 〉 The median survival of all patients was 7 months [95% confidence interval (CI) 6.2–7.8]. Multivariate analysis revealed poor prognostic factors for overall survival such as the presence of liver metastasis [p 〈 0.001, hazard ratio (HR) 2.628, 95% CI 1.620–4.264], the presence of ascites or peritoneal carcinomatosis (p = 0.005, HR 1.783, 95% CI 1.194–2.661), serum C-reactive protein levels 〉 1.2 mg/dl (p = 0.021, HR 1.568, 95% CI 1.070–2.300), and serum albumin levels 〈 3.5 g/dl (p = 0.021, HR 1.701, 95% CI 1.085–2.667). Of 298 patients, 168 patients (56.4%) were categorized as low-risk with 0 or 1 risk factor, 80 patients (26.8%) were categorized as intermediate-risk with 2 risk factors, and 50 patients (16.8%) were categorized as high-risk with 3 or 4 risk factors. The median survival duration for the low-, intermediate-, and high-risk groups was 10.0 months (95% CI 8.7–11.3), 6.7 months (95% CI 5.7–7.7), and 4.4 months (95% CI 3.2–5.6), respectively. 〈 i 〉 Conclusions: 〈 /i 〉 This prognostic model could help to select treatment for patients in clinical practice, and these risk-adapted treatment strategies should be further investigated in prospective studies in such patient populations.
    Type of Medium: Online Resource
    ISSN: 0030-2414 , 1423-0232
    RVK:
    Language: English
    Publisher: S. Karger AG
    Publication Date: 2011
    detail.hit.zdb_id: 1483096-6
    detail.hit.zdb_id: 250101-6
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