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Cd-content and temperature dependences of hyperfine fields in Cd xFe 3-xO 4. Appl Radiat Isot 2024; 209:111320. [PMID: 38677203 DOI: 10.1016/j.apradiso.2024.111320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 03/15/2024] [Accepted: 04/09/2024] [Indexed: 04/29/2024]
Abstract
Cd-content and temperature dependences of hyperfine fields in CdxFe3-xO4 (0 ≤ x ≤ 0.5) were investigated by means of time-differential perturbed angular correlation spectroscopy with the 111Cd(←111In) probe. It was found that Cd2+ ions selectively occupy the tetrahedral A site in the spinel structure in all the range of the present Cd content x. The magnetic transition temperature TC becomes lower with increasing x due to the interference of the long-range ordering of Fe spins as a result of expansion of the lattice constants by Cd doping. The measurement of room-temperature hyperfine fields at different x shows that the supertransferred magnetic hyperfine field (SMHF) at the probe decreases as x increases in the range of 0 ≤ x ≤ 0.5. Isothermal measurements at 15 K revealed a contrastive phenomenon for the Cd contents up to x = 0.4: the SMHF becomes great with increasing x; however, this increasing trend of the SMHF turns to reduction at x = 0.46. These observations can be explained based on the effect of Cd doping on the antiferromagnetic coupling between Fe ions in the A and B sites.
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Ramucirumab plus FOLFIRI as second-line treatment for patients with RAS wild-type metastatic colorectal cancer previously treated with anti-EGFR antibody: JACCRO CC-16. ESMO Open 2023; 8:101636. [PMID: 37703596 PMCID: PMC10594013 DOI: 10.1016/j.esmoop.2023.101636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 07/28/2023] [Accepted: 08/09/2023] [Indexed: 09/15/2023] Open
Abstract
BACKGROUND Chemotherapy in combination with anti-epidermal growth factor receptor (EGFR) antibody is considered a first-line treatment regimen for RAS wild-type and left-sided metastatic colorectal cancer (mCRC), whereas second-line treatment regimens have not yet been established. Few studies have prospectively evaluated second-line treatment with anti-vascular endothelial growth factor antibody after first-line anti-EGFR antibody therapy for RAS wild-type mCRC. PATIENTS AND METHODS This non-randomized phase II trial investigated the clinical outcomes of second-line ramucirumab (RAM) plus fluorouracil, levofolinate, and irinotecan (FOLFIRI) after first-line anti-EGFR antibody in combination with doublet or triplet regimen in patients with RAS wild-type mCRC. The primary endpoint was the 6-month progression-free survival (PFS) rate. The secondary endpoints were PFS, overall survival (OS), objective response rate (ORR), rate of early tumor shrinkage (ETS), and safety. We hypothesized a threshold 6-month PFS rate of 30% and an expected 6-month PFS rate of 45%. Treatment was considered effective if the lower limit of the 90% confidence interval (CI) of the 6-month PFS rate was >0.30. RESULTS Ninety-two patients were enrolled in the study. The primary tumor was located on the left side in 86 (95.6%) patients. Twenty (22.0%) patients had received triplet plus cetuximab as previous therapy. Six-month PFS rate was 58.2% (90% CI 49.3% to 66.2%) with a median PFS of 7.0 months (95% CI 5.7-7.6 months). Median OS was 23.6 months (95% CI 16.5-26.3 months). The ORR and ETS rate were 10.7% and 16.9%, respectively, in 83 patients with measurable lesions. The 6-month PFS rate was comparable between patients previously treated with doublet and triplet regimens; however, median PFS was longer for the doublet regimen (7.4 versus 6.4 months, P = 0.036). CONCLUSIONS Our study demonstrated prospectively that RAM plus FOLFIRI is an effective second-line treatment after anti-EGFR antibody-containing first-line therapy in RAS wild-type and left-sided mCRC. Furthermore, the results were similar for patients who were previously treated with triplet regimen.
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Tracheal leiomyoma. QJM 2023; 116:563-565. [PMID: 36944268 DOI: 10.1093/qjmed/hcad044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 03/15/2023] [Indexed: 03/23/2023] Open
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Bi-directional relationships of arterial stiffness with hypertension and diabetes mellitus from the early pathophysiological stages: a 16-year prospective observational study. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.2185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Hypertension and diabetes mellitus frequently coexist; however, it has not yet been clarified if the bidirectional longitudinal relationships between arterial stiffness and hypertension are independent of those between arterial stiffness and diabetes mellitus.
Methods
In this 16-year prospective observational study, 3960 middle-aged employees of a Japanese company without hypertension/diabetes mellitus at the study baseline underwent annual repeated measurements of the blood pressure, serum glycosylated hemoglobin A1c levels (HbA1c), and brachial-ankle pulse wave velocity (baPWV).
Results
By the end of the study period, 664, 779, 154, and 406 subjects developed hypertension, prehypertension, diabetes mellitus, and prediabetes, respectively. Increased baPWV at the baseline was associated with a significant odds ratio (per 1 standard deviation increase) for new onset of prehypertension/hypertension with (2.45/3.28, P<0.01) or without (2.49/2.76, P<0.01) coexisting prediabetes/diabetes mellitus, but not for new onset of prediabetes/diabetes mellitus without coexisting hypertension. Analyses using the latent growth curve model confirmed the bidirectional relationships between baPWV and hypertension, but no such relationship was observed between baPWV and abnormal glucose metabolism. Moreover, after the adjustments, higher mean blood pressure at baseline accelerated the increases in the baPWV over follow-up (unstandardized coefficient [B] = 0.39, standard error [SE] = 0.05x10–1, P<0.01). Similarly, higher baPWV at baseline accelerated the increases in mean blood pressure over follow-up (B = 0.02x10–1, SE = 0.01x10–1, P<0.01) (Figure 1). On the other hands, higher HbA1c levels at baseline accelerated the increases in the baPWV over follow-up (B = 0.43, SE = 0.05x10–1, P<0.01), but higher baPWV at baseline did not accelerate the increases in HbA1c levels over follow-up (B <0.01, SE <0.01, P=0.52) (Figure 2).
Conclusions
In middle-aged employees of a Japanese company, in contrast to the bidirectional relationships that exist between arterial stiffness and hypertension, increased arterial stiffness preceding the development of diabetes mellitus may represent that associated with the development of hypertension, as it is observed only in cases of diabetes mellitus coexisting with hypertension. Therefore, arterial stiffness may be associated to a greater degree with the development of hypertension than with the development of diabetes mellitus.
Funding Acknowledgement
Type of funding sources: Private company. Main funding source(s): Omron Health Care Company (Kyoto, Japan),Teijin Pharma Company (Tokyo, Japan)
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Age-related differences in longitudinal associations between alcohol intake and arterial stiffness, pressure wave reflection, and inflammation in male employees. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.2215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Backgrounds
While arterial stiffness and abnormal pressure wave reflection are independent cardiovascular risk, the difference of their association with alcohol intake have not been fully clarified.
Aim
This prospective observational study, which utilized repeated annual measurements performed over a 9-year period, applied mixed model analyses to examine age-related differences in longitudinal associations between alcohol intake and arterial stiffness, pressure wave reflection, and inflammation.
Methods
In 4016 middle-aged (43±9 years) healthy Japanese male employees, alcohol intake, brachial-ankle pulse wave velocity (baPWV), radial augmentation index (rAI), and serum C-reactive protein (CRP) levels were measured annually during a 9-year study period. Based on the questionnaire, alcohol intake was classified as non-drinker, mild-moderate drinker (ethanol 1–20 g/day) and heavy drinker (>20 g/day).
Results
The estimated marginal mean baPWV (non-drinkers = 1306 cm/s, mild-moderate drinkers = 1311 cm/s, and heavy drinkers = 1337 cm/s, P<0.01) and that of rAI showed significant stepped increases in an alcohol dose-dependent manner in the entire cohort, but an increase in rAI was not observed in subjects aged ≥50 years. The estimated slope of the annual increase in baPWV, but not rAI, was higher for heavy drinkers than for non-drinkers (slope difference, 2.73; P<0.01), especially for subjects aged <50 years. The estimated marginal mean of the serum CRP levels was lower for drinkers than for non-drinkers.
Conclusion
In middle-aged male Japanese employees, alcohol intake may attenuate inflammatory activity. While alcohol intake may exacerbate the progression of arterial stiffening in a dose-dependent manner without mediating inflammation, especially in subjects under 50 years of age, it may promote pressure wave reflection abnormalities with aging at earlier ages without further exacerbation at older ages.
Funding Acknowledgement
Type of funding sources: Private company. Main funding source(s): Omroncarpis
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1224P Final analysis of clinical outcomes in the DELIVER trial: Observational study of nivolumab treatment in advanced gastric cancer (JACCRO GC-08). Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.1342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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O-288 Association of initial zygote cleavage, compaction pattern and euploidy rates: possible implications for embryo correction mechanisms. Hum Reprod 2022. [DOI: 10.1093/humrep/deac106.081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Study question
Is the morula compaction pattern associated with early zygote cleavage anomalies and euploidy rates? Can it represent a possible mechanism of embryonic correction?
Summary answer
Abnormalities in the first divisions give rise to dysfunctional blastomeres, which were excluded from compaction process. This process represent a possible embryonic correction mechanism.
What is known already
IVF embryos have historically been analyzed based on morphological characteristics focusing on days 2/3 (cleavage stage) and 5/6 (blastocyst). The morula stage, usually reached on day 4, represent a transitional phase resulting from the embryonic genome activation and has received little attention in clinical embryology. However, during this crucial stage, cell differentiation begins, metabolism reaches higher levels, changes in cell shape and cell-destination mechanisms are enhanced, providing opportunities for “quality control”. At morula stage, embryos with severe genetic abnormalities are sorted out by natural selection or possibly self-correction events may occurs, reducing the load of aneuploid cells in mosaic embryos.
Study design, size, duration
We evaluated laboratory and clinical outcomes of 836 blastocysts (195 ICSI cycles) cultured in a time-lapse system and biopsied for preimplantation genetic testing for aneuploidy (PGT-A), from April-2018 to June-2020. Time-lapse videos were retrospectively analyzed to assess morphokinetic parameters of initial zygote cleavages and morula compaction. These parameters were evaluated and associated to genetic and embryonic outcomes. Blastocyst outcomes were also assessed according to maternal age <35 (n = 140), 35-37 (n = 175), 38-40 (n = 314) and >40 (n = 207).
Participants/materials, setting, methods
The zygote initial cleavages were classified as normal (1-2-4 cleavage) or anomalous: 1-3 cleavage (zygote splits directly into three blastomeres); 1-2-3 cleavage (2-3 in < 3h); and 1-2-5 cleavage (after the first normal cleavage, one blastomere splits directly into three blastomeres). Morula were classified as: Fully Compacted Morulae (FCM); Partially Compacted Morulae (PCM). The PCM could have cells excluded from the compaction process (Exc-PCM), extruded from an already compacted morula (Ext-PCM), or both situations (Exc/Ext-PCM).
Main results and the role of chance
Most blastocysts showed normal zygotic cleavage (83.3%). Anomalous cleavage such as 1-3 (0.8%), 1-2-3 (7.2%) and 2-5 (8.7%) were less prevalent and no differences were observed according to female age (p = 0.268). Overall, FCM (61.0%) was a more frequent pattern than PCM (39.0%). According to compaction pattern of PCM, Exc-PCM (25.1%) was more prevalent than Ext-PCM (11.5%) and Exc/Ext-PCM (2.4%). There was also no difference in the prevalence of the morulae compaction pattern according to female age (p = 0.124). FCM occurred in 511 embryos (73.4%) from zygotes with normal cleavage (n = 696), but no FCM was observed among anomalous cleaved zygotes (p < 0.001). Genetic and embryonic outcomes were displayed as follows: normal cleavage and FCM (NC-FCM, n = 511), normal cleavage and PCM (NC-PCM, n = 185), and anomalous cleavage and PCM (AC-PCM, n = 140). NC-FCM and AC-PCM groups showed statistically similar euploidy rates (39.3% and 38.6%, p = 0.870), that were both significantly higher than the NC-PCM group euploidy rate (23.8%, p < 0.001). However, morphokinetic scores (KidScore) and percentage of top-quality blastocysts at morphological evaluation were discordant: NC-FCM (6.4±1.7; 81.4%), NC-PCM (5.0±1.8; 47.6%) and AC-PCM (4.3±2.0; 37.9%). Euploidy rate decreased with female age for all groups: NC-FCM (<35:54.7%, 35-37:56.0%, 38-40:33.3%, >40:24.1%); NC-PCM (<35:37.5%, 35-37:19.0%, 38-40:25.0%, >40:19.0%); AC-PCM (<35:66.7%, 35-37:48.5%, 38-40:39.0%, >40:3.7%).
Limitations, reasons for caution
The retrospective design of the study represents a general limitation. In addition, this study evaluated only embryos that reached the blastocyst stage and showed enough quality to be biopsied. Therefore, the association between anomalies in the first and second mitotic cleavages and the embryonic development could not be evaluated.
Wider implications of the findings
Similar euploidy rates among NC-FCM and AC-PCM support the hypothesis that cell exclusion/extrusion in compaction stage of anomalous-cleaved zygotes can represent a potential correction mechanism, even though lower morphological/morphokinetic scores are seen on AC-PCM. That process is supposed to rescue embryos from the mosaic aneuploidy which occurs after abnormal cleavage.
Trial registration number
not applicable
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SO-8 Soluble programmed cell death ligand 1 associated with clinical outcome in gastric cancer patients treated with nivolumab: Blood based biomarker analysis of DELIVER trial (JACCRO-GC08AR). Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.04.407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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Dynamic changes in RAS gene status in circulating tumour DNA: a phase II trial of first-line FOLFOXIRI plus bevacizumab for RAS-mutant metastatic colorectal cancer (JACCRO CC-11). ESMO Open 2022; 7:100512. [PMID: 35688061 PMCID: PMC9271512 DOI: 10.1016/j.esmoop.2022.100512] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 04/26/2022] [Accepted: 04/28/2022] [Indexed: 12/22/2022] Open
Abstract
Background Few prospective studies have used liquid biopsy testing in RAS-mutant metastatic colorectal cancer (mCRC), and its clinical significance remains unknown. Therefore, this study aimed to carry out a biomarker analysis by liquid biopsy using updated data of the phase II trial of FOLFOXIRI plus bevacizumab as first-line chemotherapy for RAS-mutant mCRC. Materials and methods A total of 64 patients who received modified FOLFOXIRI regimen (irinotecan 150 mg/m2, oxaliplatin 85 mg/m2, levofolinate 200 mg/m2, and fluorouracil 2400 mg/m2) plus bevacizumab biweekly were enrolled. The primary endpoint was the objective response rate (ORR). Plasma samples were collected at pre-treatment, 8 weeks after treatment, and progression in participants included in the biomarker study. The levels of circulating tumour DNA (ctDNA) and specific KRAS and NRAS variants were evaluated using real-time PCR assays. Results There were 62 patients (median age: 62.5 years, 92% performance status 0, 27% right side) who were assessable for efficacy and 51 for biomarker analysis. ORR was 75.8% (95% confidence interval 65.1% to 86.5%). The median progression-free survival was 12.1 months, and the median overall survival (OS) was 30.2 months. In 78% of patients, RAS mutations disappeared in the ctDNA at 8 weeks after treatment; these patients tended to have better outcomes than those with RAS mutations. Interestingly, RAS mutations remained undetectable during progression in 62% of patients. Survival analysis indicated that the median OS from progression was significantly longer in patients with RAS mutation clearance than in those with RAS mutation in the ctDNA at disease progression (15.1 versus 7.3 months, hazard ratio: 0.21, P = 0.0046). Conclusions Our biomarker study demonstrated no RAS mutations in ctDNA at disease progression in 62% of patients with RAS-mutant mCRC. Both OS and post-progression survival were better in patients with clearance of RAS mutations in ctDNA after triplet-based chemotherapy. First-line FOLFOXIRI plus bevacizumab is effective for RAS-mutant mCRC with comparable efficacy in elderly patients. RAS mutations disappeared in ctDNA after intensive chemotherapy in 62% of patients with mCRC with RAS-mutant tumours. Survival time was longer in patients with RAS mutation clearance than in those with RAS mutations in ctDNA.
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Basic research to determine normal levels of androgens (testosterone, free testosterone, DHEA-S) in Japanese middle-aged women. J Sex Med 2022. [DOI: 10.1016/j.jsxm.2022.03.596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Impact of Left Ventricular Unloading Under Circulatory Support with Venoarterial ECMO in Heart Failure Animal Model. J Heart Lung Transplant 2022. [DOI: 10.1016/j.healun.2022.01.1609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Endovascular Treatment Using a Small Amount of Contrast Medium in a Patient with a Posterior Communicating Artery Ruptured Dissecting Aneurysm and Chronic Kidney Disease: A Case Report. JOURNAL OF NEUROENDOVASCULAR THERAPY 2021; 16:301-306. [PMID: 37501891 PMCID: PMC10370547 DOI: 10.5797/jnet.cr.2021-0044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Accepted: 08/07/2021] [Indexed: 07/29/2023]
Abstract
Objective We report a rare case of a patient with a ruptured posterior communicating artery (P-com A) dissecting aneurysm and chronic kidney disease (CKD) treated by endovascular embolization using a small amount of contrast medium. Case Presentation An 88-year-old female patient had sudden onset of headache and vomit due to subarachnoid hemorrhage. MRI revealed a ruptured dissecting aneurysm of the right P-com A. The patient had CKD of severity grade 4. Endovascular treatment was performed using only 10 mL of diluted contrast medium with injection through a microcatheter. The postoperative course was uneventful, and no deterioration of renal function occurred. Conclusion With minimal amount of contrast medium, endovascular treatment could be safely and effectively performed for patients with P-com A dissecting aneurysms and severe CKD.
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Corrigendum to "Prevalence of human papillomavirus in oral gargles and tonsillar washings" [Oral Oncol. 105 (2020) 104669]. Oral Oncol 2021; 120:105478. [PMID: 34366245 DOI: 10.1016/j.oraloncology.2021.105478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Idiopathic dissecting cerebral aneurysm of the distal anterior cerebral artery in an infant successfully treated with aneurysmectomy: illustrative case. JOURNAL OF NEUROSURGERY: CASE LESSONS 2021; 1:CASE20142. [PMID: 35854709 PMCID: PMC9241255 DOI: 10.3171/case20142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 12/30/2020] [Indexed: 11/06/2022]
Abstract
BACKGROUNDIdiopathic dissecting cerebral aneurysms (IDCAs) are male dominant but are extremely rare in children. Many IDCAs in children are located in the posterior cerebral artery and the supraclinoid internal cervical artery. No cases of IDCA of the distal anterior cerebral artery (ACA) have been reported.OBSERVATIONSA previously healthy 7-month-old boy experienced afebrile seizures and presented at the authors’ hospital 1 week after the first seizure. He was not feeling well but had no neurological deficits. The authors diagnosed a ruptured aneurysm of the right distal ACA based on imaging results. He underwent emergency craniotomy to prevent re-rupture of the aneurysm. Using intraoperative indocyanine green videoangiography, the authors confirmed peripheral blood flow and then performed aneurysmectomy. Pathological examination of the aneurysm revealed a thickened intima, fragmentation of the internal elastic lamina, and a hematoma in the aneurysmal wall. The authors ultimately diagnosed IDCA because no cause was indicated, including a history of trauma. The boy recovered after surgery and was subsequently discharged with no complications.LESSONSThe authors reported, for the first time, IDCA of the distal ACA in an infant. The trapping technique is often used for giant fusiform aneurysms in infants. Indocyanine green videoangiography is useful for evaluating peripheral blood flow during trapping in this case.
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The novel liver x receptor beta agonist, ouabagenin, prevent arterial lipid deposition in SHRSP5/DMCR rat. Atherosclerosis 2020. [DOI: 10.1016/j.atherosclerosis.2020.10.429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Obeticholic acid ameliorates non-alcoholic steatohepatitis and atherosclerosis in SHRSP5/Dmcr rats. Atherosclerosis 2020. [DOI: 10.1016/j.atherosclerosis.2020.10.430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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The novel liver X receptor beta agonist, ouabagenin, prevent arterial lipid deposition in SHRSP5/Dmcr rat. Atherosclerosis 2020. [DOI: 10.1016/j.atherosclerosis.2020.10.431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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The mechanisms of age-realted difference of annual changes in ankle-brachial pressure index. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.2792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
In addition to both pulse wave velocity (PWV; a marker of arterial stiffness) and augmentation index (AI; a marker of central hemodynamics), not only the decrease of ankle-brachial pressure index (ABI) but also its increase predict the future cardiovascular events. While arterial stiffness and central hemodynamics have been proposed to affect the increase in ABI logically, their effects on increase in ABI have not been fully clarified. The present cross-sectional and longitudinal studies were conducted to examine the associations of arterial stiffness and central hemodynamics with increase in ABI and also examine the age-related difference of those associations. In 4016 men (42±9 years old), ABI, brachial-ankle PWV (baPWV) and radial AI (rAI) were measured annually for 9 years' observation period. In the cross-sectional analyses adjusted with age, heart rate and mean blood pressure, both baPWV and rAI were associated with ABI in men aged <50, but not in men aged >50. As shown in Figure, ABI was annually increased in subjects aged <50 (n=2870), but not in those aged >50 (n=1146) during the follow-up period. The mixed model linear regression analysis (MMA) conducted in 9 years' annual repeated measurement data demonstrated that increased baPWV (estimate = 0.017, p<0.05) and increased rAI (estimate 0.254, p<0.05) were significant determinant of annual increase of ABI (p<0.01) in men aged <50, but not in men aged >50. In conclusion, the arterial stiffness and central hemodynamics may individually affect the increase in ABI in men aged <50, but not in men >50. Thus, further studies are needed to clarify whether ABI, arterial stiffness, and central hemodynamics individually predicts future cardiovascular events, and their age-related difference of their predictabilities.
figure1
Funding Acknowledgement
Type of funding source: Private hospital(s). Main funding source(s): Tokyo Medical University
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The associations among arterial stiffness, endothelial dysfunction and the progression of carotid atherosclerosis in hypertensive subjects with/without carotid atherosclerosis. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.2737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
While arterial stiffness and endothelial dysfunction, which are diffuse vascular damage, are phenotypes of vascular damage, their associations with the progression of atherosclerosis, which is focal vascular damage, has not been fully clarified. The present prospective observational study was conducted to examine whether arterial stiffness and endothelial dysfunction predict the progression of carotid atherosclerosis in subjects medicated for hypertension with/without carotid atherosclerosis.
Methods and results
In 617 subjects receiving antihypertensive treatment, we conducted flow-mediated vasodilatation (FMD), brachial-ankle pulse wave velocity (baPWV) and common carotid artery intima-media thickness mean and maximal (IMTmean and IMTmax) at the baseline and the end (3 years' later) of study periods. During the study period, FMD was decreased and baPWV, IMTmean and IMTmax were increased significantly. In subjects without carotid atherosclerosis (IMTmax <1.1mm, n=416), baPWV, but not FMD, at baseline had significant associations with IMTmean and IMTmax at both the baseline and end of study period. As shown in Figure, the changes of IMTmean and also IMTmax during the study period were higher in the highest tertile ranges of baPWV at the baseline than in the lowest tertile range of baPWV. On the other hand, in subjects with carotid atherosclerosis (IMTmax >1.1mm, n=201), both baPWV and FMD were not associated with any markers of carotid atherosclerosis and also their changes during the study period.
Conclusion
In subjects with hypertension, arterial stiffness rather than endothelial dysfunction may be associated with the progression of carotid atherosclerosis, and this association may be significant in the premature stage of atherosclerosis.
Figure 1
Funding Acknowledgement
Type of funding source: Private company. Main funding source(s): Omron Healthcare, Asahikasei Calpis
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Mineral trioxide aggregate suppresses pro-inflammatory cytokine expression via the calcineurin/nuclear factor of activated T cells/early growth response 2 pathway in lipopolysaccharide-stimulated macrophages. Int Endod J 2020; 53:1653-1665. [PMID: 32767860 DOI: 10.1111/iej.13386] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 06/27/2020] [Accepted: 08/04/2020] [Indexed: 11/27/2022]
Abstract
AIM To elucidate mechanisms by which mineral trioxide aggregate (MTA) suppresses pro-inflammatory cytokine mRNA expression in lipopolysaccharide (LPS)-stimulated RAW264.7 macrophages. METHODOLOGY Mineral trioxide aggregate extracts were prepared by immersing set ProRoot MTA in culture medium. RAW264.7 cells were cultured in the presence of LPS and MTA extracts. mRNA expression levels of interleukin (IL)-1α, IL-6, early growth response 2 (Egr2), suppressor of cytokine signalling 3 (Socs3) and IL-10 were quantified with reverse transcription-quantitative polymerase chain reaction. Phosphorylation of nuclear factor-kappa B (NF-κB) p65 in RAW264.7 cells was analysed by Western blotting. Intracellular calcium imaging was performed with Fluo-4 AM. The activity of nuclear factor of activated T cells (NFAT) was determined by luciferase assays. Enforced expression and silencing of Egr2 in RAW264.7 cells were carried out using an expression vector and specific RNAi, respectively. In vivo kinetics of Egr2+ cells in MTA-treated rat molar pulp tissues were examined using immunohistochemistry. Data were analysed by one-way analysis of variance, followed by the Tukey-Kramer test (P < 0.05). RESULTS Exposure to MTA extracts resulted in reduced mRNA expression levels of IL-1α and IL-6, as well as reduced expression of phosphorylated NF-κB, in LPS-stimulated RAW264.7 cells. Exposure to MTA extracts induced Ca2+ influx, which was blocked by NPS2143, an antagonist of calcium-sensing receptor (CaSR); Ca2+ influx then triggered activation of calcineurin/NFAT signalling and enhanced mRNA expression of Egr2. Enforced expression of Egr2 in RAW264.7 cells promoted the expression of both IL-10 and Socs3. In vivo application of MTA onto rat molar pulp tissue resulted in the appearance of Egr2-expressing cells that coexpressed CD163, a typical M2 macrophage marker. CONCLUSIONS Mineral trioxide aggregate extracts induced downregulation of IL-1α and IL-6 in LPS-stimulated RAW264.7 cells via CaSR-induced activation of calcineurin/NFAT/Egr2 signalling and subsequent upregulation of IL-10 and Socs3.
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LBA-4 Updated analysis of DELIVER trial (JACCRO GC-08): A large observational/translational study of nivolumab treatment in advanced gastric cancer. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.04.079] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Hypoxia‐inducible factor 1α promotes interleukin 1β and tumour necrosis factor α expression in lipopolysaccharide‐stimulated human dental pulp cells. Int Endod J 2020; 53:636-646. [DOI: 10.1111/iej.13264] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Accepted: 12/31/2019] [Indexed: 12/30/2022]
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Prevalence of human papillomavirus in oral gargles and tonsillar washings. Oral Oncol 2020; 105:104669. [PMID: 32259682 DOI: 10.1016/j.oraloncology.2020.104669] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 03/02/2020] [Accepted: 03/26/2020] [Indexed: 12/26/2022]
Abstract
OBJECTIVES Human papillomavirus (HPV) infection drives carcinogenesis in the oropharynx. No standard sampling or HPV detection methods for evaluating oropharyngeal HPV infection exist. The prevalence of oral HPV infection in Japan is unknown. MATERIALS AND METHODS We examined 435 healthy Japanese individuals to address whether adding tonsillar washing to oral gargling would improve HPV detection. We compared HPV assessment using GENOSEARCH HPV31 versus nested PCR and direct sequencing. Associations between HPV infection and demographic and behavioral characteristics were examined. RESULTS Most participants who were HPV-positive based on oral gargles were also HPV-positive based on tonsillar washings: 11 (64.7%) of 17 on nested PCR and 12 (70.6%) of 17 on GENOSEARCH HPV31. Although HPV infection was more prevalent in oral gargles followed by tonsillar washings than in oral gargles alone, the difference was not statistically significant (nested PCR, 4.8% vs. 3.9%, P = 0.46; GENOSEARCH HPV31, 5.3% vs. 3.9%, P = 0.33). The overall agreement between nested PCR and GENOSEARCH HPV31 was 98.6%, with 76.0% positive agreement. The overall prevalence of oral HPV infection in Japan was 5.7% (95% confidence interval, 3.9-8.3%). Men had a significantly higher prevalence of oral HPV infection than women (8.3% vs. 2.6%, P = 0.02). Infection increased with number of lifetime sexual partners (P < 0.001 for trend). CONCLUSION The oropharynx is probably the major source of HPV-infected cells in oral gargles. Oral gargling could be a standard sampling method for evaluating oropharyngeal HPV infection. GENOSEARCH HPV31 could be an option for oral HPV detection.
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2524 Perioperative Non-Opioid Pain Control Adjuncts and Postoperative Opioid Use after Benign Gynecologic Surgery. J Minim Invasive Gynecol 2019. [DOI: 10.1016/j.jmig.2019.09.197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Interim analysis of an observational/translational study for nivolumab treatment in advanced gastric cancer: JACCRO GC-08 (DELIVER trial). Ann Oncol 2019. [DOI: 10.1093/annonc/mdz247.146] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
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USP10 is a critical factor in α-synuclein aggregation, aggresome and Lewy body formations but not GCI. J Neurol Sci 2019. [DOI: 10.1016/j.jns.2019.10.1603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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P1632A possible independent contribution of liver stiffness to the development of heart failure in its early stage. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz748.0391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Heart failure (HF) is a heterogeneous condition. The reduced liver blood flow and hepatic congestion associated with HF causes liver damages leading to liver sclerosis. Fibrosis 4 score (FIB-4 score), a marker of liver sclerosis, is easily calculated from age, serum aspartate aminotransferase (AST), alanine aminotransferase (ALT) level and blood platelet count (PLT). Liver stiffness is known to be associated with vascular damages, including arterial stiffness and central hemodynamics. These vascular damages also cause the new onset of HF. However, it remains to be clarified whether liver stiffness is a direct risk factor for HF or whether its association with HF is mediated by vascular damage. We conducted cross-sectional and prospective longitudinal studies to examine whether FIB-4 score is directly associated with the serum NT-pro-BNP levels or the association is mediated by arterial stiffness and/or abnormal central hemodynamics.
Methods and results
In 3,040 health Japanese subjects with serum NT-pro-BNP levels <125 pg/ml, the FIB-4 score was calculated, and the serum NT-pro-BNP levels, brachial-ankle pulse wave (baPWV) velocity, radial augmentation index (rAI), second peak of the radial pressure waveform (SBP2) and PP2 (SBP2 – diastolic blood pressure) were measured. These parameters were measured again after a 3-year interval in 2,135 subjects. Pearson's correlation analysis demonstrated that FIB-4 score was significantly correlated with baPWV, rAI, SBP2, PP2 and the log-transformed the serum NT-pro-BNP levels. Multivariate linear regression analysis demonstrated a significant cross-sectional association of the FIB-4 scores with the log-transformed the serum NT-pro-BNP levels (beta = 0.08, p<0.01), but not with the baPWV, rAI, SBP2 and PP2. The change of serum NT-pro BNP levels during the study period was significantly higher in subjects with increase of the FIB-4 score during the study period (8.2±22.5 pg/ml) than that in those with decrease/no change (5.4±22.3 pg/ml) (p<0.05). The change of FIB-4 score during the study period was significantly associated with the change of the serum NT-pro-BNP levels during the study period (beta = 0.09, p<0.01).
Conclusion
Liver stiffness may have a significant direct association with the development of HF from the early stage, without the mediation of arterial stiffness and/or abnormal central hemodynamics. Therefore, the FIB-4 score appears to serve as a direct risk factor for HF from the early stage, and its association with HF may not be mediated by vascular damages.
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The relationship between the survival and fixed dosing of S-1 in advanced gastric cancer patients by pooled analysis using individual data from four Japanese randomized phase III trials. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz247.125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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GENETIC ASSOCIATION STUDY OF UROMODULIN AND SERUM URIC ACID CONCENTRATION AND BLOOD PRESSURE. J Hypertens 2019. [DOI: 10.1097/01.hjh.0000571132.58944.57] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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RAS mutations in circulating tumor DNA (ctDNA) and clinical outcomes of rechallenge treatments with anti-EGFR antibodies in patients with metastatic colorectal cancer (mCRC). Ann Oncol 2019. [DOI: 10.1093/annonc/mdz156.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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A translational study to discover novel host-related immune-biomarkers for nivolumab (Nivo) in advanced gastric cancer (GC): JACCRO GC-08 (DELIVER trial). Ann Oncol 2018. [DOI: 10.1093/annonc/mdy493.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Effects of pruritogens and algogens on rostral ventromedial medullary ON and OFF cells. J Neurophysiol 2018; 120:2156-2163. [PMID: 29947594 PMCID: PMC6295534 DOI: 10.1152/jn.00208.2018] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 06/03/2018] [Accepted: 06/03/2018] [Indexed: 11/22/2022] Open
Abstract
Rostroventromedial medulla (RVM) ON and OFF cells are thought to facilitate and inhibit spinal nociceptive transmission, respectively. However, it is unknown how ON and OFF cells respond to pruritic stimuli or how they contribute to descending modulation of spinal itch signaling. In pentobarbital sodium-anesthetized mice, single-unit recordings were made in RVM from ON and OFF cells identified by their respective increase or decrease in firing that occurred just before nocifensive hindlimb withdrawal elicited by paw pinch. Of RVM ON cells, 75% (21/28) were excited by intradermal histamine, 50% (10/20) by intradermal chloroquine, and 75% (27/36) by intradermal capsaicin. Most chemically responsive units also responded to a scratch stimulus applied to the injected hindpaw. Few ON cells responded to intradermal injection of vehicle (saline: 5/32; Tween 2/17) but still responded to scratching. For OFF cells, intradermal histamine and scratching inhibited 32% (6/19) with no effect of histamine in the remainder. Intradermal chloroquine inhibited 44% (4/9) and intradermal capsaicin inhibited 61% (11/18) of OFF cells. Few OFF cells were affected by vehicles (Tween: 1 inhibited, 7 unaffected; saline: 3 excited, 1 inhibited, 8 unaffected). Both ON and OFF cells that responded to one chemical usually also responded to others, whereas units unresponsive to the first-tested chemical tended not to respond to others. These results indicate that ascending pruriceptive signals activate RVM ON cells and inhibit RVM OFF cells. These effects are considered to facilitate and disinhibit spinal pain transmission, respectively. It is currently not clear if spinal itch transmission is similarly modulated. NEW & NOTEWORTHY The rostroventromedial medulla (RVM) contains ON and OFF cells that are, respectively, excited and inhibited by noxious stimuli and have descending projections that facilitate and inhibit spinal nociceptive transmission. Most RVM ON cells were excited, and OFF cells inhibited, by intradermal injection of the pruritogens histamine and chloroquine, as well as the algogen capsaicin. These results indicate that itchy stimuli activate RVM neurons that presumably give rise to descending modulation of spinal itch transmission.
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Gene mutation status in circulating tumor DNA (ctDNA) and first-line FOLFOXIRI plus bevacizumab (bev) in metastatic colorectal cancer (mCRC) harboring RAS mutation. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy281.089] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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A biomarker study to validate predictors for clinical outcome of cetuximab based chemotherapy in first-line metastatic colorectal cancer (mCRC) patients: JACCRO CC-05/06AR and FIRE-3. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy281.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Relation of overall survival, progression free survival, post progression survival and response rate in four randomized Japanese phase III trials comparing various combinations of S-1 therapy for first-line treatment of advanced gastric cancer. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy282.069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Erythematous lesion with peripheral purpura on the face. Clin Exp Dermatol 2018; 44:428-431. [DOI: 10.1111/ced.13750] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/06/2018] [Indexed: 12/27/2022]
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P5724Hyperuricemia and inflammation in the increase in arterial stiffness and development of hypertension. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy566.p5724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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P5135Impact of obstructive sleep apnea on inter-arm blood pressure difference: a large sleep cohort study. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy566.p5135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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P4600Clinical utility of biwaco score for the patients with atrial fibrillation after percutaneous coronary intervention: biwaco study. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.p4600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Phase II study of third-line panitumumab rechallenge in patients with metastatic wild-type KRAS colorectal cancer who achieved a clinical benefit in response to first-line panitumumab plus chemotherapy. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy151.242] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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No benefit from the addition of anti-EGFR antibody in all right-sided metastatic colorectal cancer? Ann Oncol 2018; 28:2030-2031. [PMID: 28475674 DOI: 10.1093/annonc/mdx231] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Abstract
The hanger reflex (HR) is an involuntary head rotation that occurs in response to a clothes hanger encircling the head and compressing the unilateral fronto-temporal area. Here, we developed an elliptical device to induce the HR and examined its utility for the treatment of cervical dystonia (CD). The study included 19 patients with rotational-type CD. The device was applied to each subject’s head for at least 30 min/day for 3 months. Severity scores on part 1 of the Toronto Western Spasmodic Torticollis Rating Scale were evaluated at baseline and after the 3-month trial. Mean scores without and with the device were significantly different both at baseline (16.6 vs. 14.7, respectively; P < 0.05) and after the trial (14.9 vs. 13.6, respectively; P < 0.05). This preliminary trial suggests that our device can improve abnormal head rotation in patients with CD.
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Identification of patterns of factors preceding severe or life-threatening asthma exacerbations in a nationwide study. Allergy 2018; 73:1110-1118. [PMID: 29197099 PMCID: PMC6668009 DOI: 10.1111/all.13374] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/27/2017] [Indexed: 11/26/2022]
Abstract
BACKGROUND Reducing near-fatal asthma exacerbations is a critical problem in asthma management. OBJECTIVES To determine patterns of factors preceding asthma exacerbations in a real-world setting. METHODS In a nationwide prospective study of 190 patients who had experienced near-fatal asthma exacerbation, cluster analysis was performed using asthma symptoms over the 2-week period before admission. RESULTS Three distinct clusters of symptoms were defined employing the self-reporting of a visual analogue scale. Cluster A (42.1%): rapid worsening within 7.4 hours from moderate attack to admission, young to middle-aged patients with low Body mass index and tendency to depression who had stopped anti-asthma medications, smoked, and hypersensitive to environmental triggers and furred pets. Cluster B (40.0%): fairly rapid worsening within 48 hours, mostly middle-aged and older, relatively good inhaled corticosteroid (ICS) or ICS/long-acting beta-agonist (LABA) compliance, and low perception of dyspnea. Cluster C (17.9%): slow worsening over 10 days before admission, high perception of dyspnea, smokers, and chronic daily mild-moderate symptoms. There were no differences in overuse of short-acting beta-agonists, baseline asthma severity, or outcomes after admission for patients in these 3 clusters. CONCLUSION To reduce severe or life-threatening asthma exacerbation, personalized asthma management plans should be considered for each cluster. Improvement of ICS and ICS/LABA compliance and cessation of smoking are important in cluster A. To compensate for low perception of dyspnea, asthma monitoring of peak expiratory flow rate and/or exhaled nitric oxide would be useful for patients in cluster B. Avoidance of environmental triggers, increase usual therapy, or new anti-type 2 response-targeted therapies should be considered for cluster C.
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398 A granular parakeratosis animal model created by topical aluminum showed characteristic keratinocyte differentiation abnormalities including abnormal profilaggrin processing and cornified cell envelop formation. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Abstract
Objective: To investigate the extent of asbestos exposure among patients with primary lung cancer in Japan. Methods: A retrospective estimation of potential asbestos-exposed individuals, as determined by the presence of pleural plaques identified on chest computed tomography (CT), was conducted on 885 pathologically confirmed primary lung cancer patients (mean age 71.3 years, 641 males). All patients were diagnosed at 29 hospitals across Japan between 2006 and 2007. Since these hospitals belong to the Japan Federation of Democratic Medical Institutions (MIN-IREN), an organization of medical institutions for workers, the study subjects may contain a higher proportion of workers than the general population. Results: Pleural plaques were identified in 12.8% of subjects (15.8% in males and 4.9% in females), consisting exclusively of cases older than 50 years. They were found most frequently on the chest wall pleura (96.5%), followed by the diaphragm (23.9%) and mediastinum (9.7%). Calcifications were seen in 47 cases (41.6%). The highest prevalence of pleural plaques was seen among workers from construction-related fields (37.7%). No distinct lung cancer histology was observed in patients with pleural plaques. Coexistence of pleural plaques and small irregular opacities was observed in 2.5% of subjects. Conclusion: In a Japanese population representing more workers than general Japanese, 12.8% of patients with primary lung cancer may have experienced asbestos exposure at some time in the past. Special medical attention should be paid to individuals with a history of employment in construction-related occupations, as workers in this sector showed the highest prevalence of pleural plaques.
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Clinical performance metrics of 3D stereoscopic digital mammography compared with 2D digital mammography: observer study. Br J Radiol 2018; 91:20170908. [PMID: 29319344 DOI: 10.1259/bjr.20170908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
OBJECTIVE To assess the clinical performance of three-dimensional stereoscopic digital mammography (3DsDM) compared with two-dimensional digital mammography (2DDM) for breast lesion diagnosis with jackknife free-response receiver operating characteristics (JAFROC) observer study. METHODS 40 pairs of standard-dose 2DDM and their 3DsDM images were used for an observer performance study. A total of 18 lesions were identified as the reference standard of actionable breast lesions (Breast Imaging Reporting and Data System Category 3 or more) by two breast radiologists. Ratings and locations of "lesions" determined by observers were utilized for assessing the statistical significance of differences between eight radiologists' performances with the 2DDM images and with the 3DsDM images in jackknife free-response receiver operating characteristic analysis. RESULTS The average figure-of-merit values for all radiologists increased to a statistically significant degree, from 0.859 with the 2DDM images to 0.936 with the 3DsDM images (p < 0.001). The average sensitivity for detecting actionable lesions was improved from 74.3 to 92.4% at a false-positive rate of 0.2 per case by use of the 3DsDM images. The mean reading time per case with 2DDM images was not significantly different from that with 3DsDM images. CONCLUSION The use of 3DsDM would improve the observer performance for breast lesion without considerably extending the reading time. Advances in knowledge: Use of 3DsDM improves radiologists' performance for breast lesion detection.
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Medial meniscus extrusion correlates with disease duration of the sudden symptomatic medial meniscus posterior root tear. Orthop Traumatol Surg Res 2017; 103:1179-1182. [PMID: 28951279 DOI: 10.1016/j.otsr.2017.07.022] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Revised: 07/11/2017] [Accepted: 07/31/2017] [Indexed: 02/02/2023]
Abstract
INTRODUCTION Medial meniscus posterior root tear (MMPRT) leads to abnormal biomechanics of the knee by inducing the medial meniscus extrusion (MME). However, a time-dependent increase of the MME is not fully elucidated in patients suffering from the acute MMPRT. The aim of this study was to investigate the relationships among disease duration of the MMPRT and severity of the MME. We hypothesized that MME measurement correlates with disease duration after a sudden onset of the minor traumatic MMPRT during the short-term follow-up period. MATERIALS AND METHODS Forty-six patients who had an accurate episode of the posteromedial painful popping were investigated. All the patients were diagnosed having a symptomatic MMPRT with magnetic resonance imaging (MRI) examinations. Absolute MME was measured using MRI scans within 12 months after painful popping events. A correlation coefficient between duration from injury to MRI examination and absolute MME was evaluated. RESULTS Mean absolute MME was 4.5±1.6mm (range, 1.1-8.8mm) on MRI measurements. A good correlation was observed between MME measurement and duration from injury to MRI examination (R2=0.612). The best-fit equation for predicting each value was: MME=0.014×disease duration+3.288mm. DISCUSSION This study demonstrated that absolute MME increases progressively within the short duration after the onset of symptomatic MMPRT. Our results suggest that preoperative MME assessment may be important in determining disease duration and treatment strategy of the MMPRT. LEVEL OF EVIDENCE Retrospective cohort study level IV.
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The efficacy of eribulin mesylate with trastuzumab for locally advanced or metastatic HER2-positive breast cancer treated with prior pertuzumab and/or T-DM1: Results from a phase II, single arm, multicenter study (N-SOG 10 study). Ann Oncol 2017. [DOI: 10.1093/annonc/mdx654.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Detection of lung carcinoma with predominant ground-glass opacity on CT using temporal subtraction method. Eur Radiol 2017; 28:1594-1599. [PMID: 29063257 DOI: 10.1007/s00330-017-5085-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Revised: 08/14/2017] [Accepted: 09/22/2017] [Indexed: 12/17/2022]
Abstract
PURPOSE To evaluate the usefulness of the CT temporal subtraction (TS) method for the detection of the lung cancer with predominant ground-glass opacity (LC-pGGO). MATERIALS AND METHODS Twenty-five pairs of CT and their TS images in patients with LC-pGGO (31 lesions) and 25 pairs of those in patients without nodules were used for an observer performance study. Eight radiologists participated and the statistical significance of differences with and without the CT-TS was assessed by JAFROC analysis. RESULTS The average figure-of-merit (FOM) values for all radiologists increased to a statistically significant degree, from 0.861 without CT-TS to 0.912 with CT-TS (p < .001). The average sensitivity for detecting the actionable lesions improved from 73.4 % to 85.9 % using CT-TS. The reading time with CT-TS was not significantly different from that without. CONCLUSION The use of CT-TS improves the observer performance for the detection of LC-pGGO. KEY POINTS • CT temporal subtraction can improve the detection accuracy of lung cancer. • Reading time with temporal subtraction is not different from that without. • CT temporal subtraction improves observer performance for ground-glass/subsolid nodule detection.
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