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Clinical outcomes of clostridioides difficile infection in the very elderly. Intern Emerg Med 2024:10.1007/s11739-024-03580-0. [PMID: 38615301 DOI: 10.1007/s11739-024-03580-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 03/07/2024] [Indexed: 04/15/2024]
Abstract
BACKGROUND Clostridioides difficile infection (CDI) causes considerable morbidity, mortality, and economic cost. Advanced age, prolonged stay in healthcare facility, and exposure to antibiotics are leading risk factors for CDI. Data on CDI clinical outcomes in the very elderly patients are limited. METHODS A retrospective cohort study of patients hospitalized between 2016 and 2018 with CDI. We evaluated demographic clinical and laboratory parameters. Major clinical outcomes were evaluated including duration of hospital stay, admission to intensive care unit (ICU), in-hospital mortality, 30 days post-discharge mortality, and readmission/mortality composite outcome. We compared patients aged up to 80 years (elderly) to those of 80 years old or more (very elderly). RESULTS Of 196 patients included in the study, 112 (57%) were very elderly with a mean age of 86 versus 67 years in the elderly group. The duration of hospital stays, and intensive care unit admission frequency were significantly reduced in the very elderly (13 vs. 22 days p = 0.003 and 1.8% vs. 10.7% p = 0.01, respectively). No significant difference was found in the frequencies of in-hospital and in 30 days post-discharge mortality. CONCLUSIONS In our cohort, the duration of hospital stay seemed to be shorter in the very elderly with no increase of in-hospital and post-discharge mortality. Although admitted less frequently to ICU, the in-hospital survival of the very elderly was not adversely affected compared to the elderly, suggesting that very advanced age per se should not be a major factor to consider in determining the prognosis of a patient with CDI.
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Glucose Promotes EMMPRIN/CD147 and the Secretion of Pro-Angiogenic Factors in a Co-Culture System of Endothelial Cells and Monocytes. Biomedicines 2024; 12:706. [PMID: 38672062 PMCID: PMC11047830 DOI: 10.3390/biomedicines12040706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 03/17/2024] [Accepted: 03/20/2024] [Indexed: 04/28/2024] Open
Abstract
Vascular complications in Type 2 diabetes mellitus (T2DM) patients increase morbidity and mortality. In T2DM, angiogenesis is impaired and can be enhanced or reduced in different tissues ("angiogenic paradox"). The present study aimed to delineate differences between macrovascular and microvascular endothelial cells that might explain this paradox. In a monoculture system of human macrovascular (EaHy926) or microvascular (HMEC-1) endothelial cell lines and a monocytic cell line (U937), high glucose concentrations (25 mmole/L) increased the secretion of the pro-angiogenic factors CD147/EMMPRIN, VEGF, and MMP-9 from both endothelial cells, but not from monocytes. Co-cultures of EaHy926/HMEC-1 with U937 enhanced EMMPRIN and MMP-9 secretion, even in low glucose concentrations (5.5 mmole/L), while in high glucose HMEC-1 co-cultures enhanced all three factors. EMMPRIN mediated these effects, as the addition of anti-EMMPRIN antibody decreased VEGF and MMP-9 secretion, and inhibited the angiogenic potential assessed through the wound assay. Thus, the minor differences between the macrovascular and microvascular endothelial cells cannot explain the angiogenic paradox. Metformin, a widely used drug for the treatment of T2DM, inhibited EMMPRIN, VEGF, and MMP-9 secretion in high glucose concentration, and the AMPK inhibitor dorsomorphin enhanced it. Thus, AMPK regulates EMMPRIN, a key factor in diabetic angiogenesis, suggesting that targeting EMMPRIN may help in the treatment of diabetic vascular complications.
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The risk factors for uveitis among psoriatic arthritis patients: a population-based cohort study. Clin Rheumatol 2024; 43:1053-1061. [PMID: 38082206 DOI: 10.1007/s10067-023-06834-y] [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: 07/05/2023] [Revised: 11/09/2023] [Accepted: 11/26/2023] [Indexed: 02/20/2024]
Abstract
OBJECTIVE To assess the frequency of uveitis in patients with psoriatic arthritis (PsA) in the era of biologics and to identify risk factors associated with uveitis. METHODS A retrospective matched cohort study was conducted within the database of a large healthcare provider. Newly diagnosed 6147 adult PsA patients between 2005 and 2020 were matched by the index date of PsA diagnosis, age, sex, and ethnicity to 23,999 randomly selected controls. This cohort was used to examine the association between PsA and uveitis. An additional analysis was conducted within the PsA group to identify uveitis risk factors, using two analytic approaches: a retrospective cohort study and a nested case-control study. RESULTS Uveitis was diagnosed in 107 patients in the PsA group (1.7%) vs 187 (0.8%) patients in the control group (adjusted HR, 2.38, 95% CI 1.80-3.15, p<0.005) and was similar when the analysis was confined to patients without past uveitis. Uveitis was diagnosed more in females (2.1% vs 1.3%, HR 1.61, 95% CI 1.09-2.40, p<0.05), and was acute in all cases. Anterior uveitis was documented in 41.1% of the cases, 64.5% unilateral, and 9.3% bilateral. In the PsA group, using nested case control approach, only past uveitis [adjusted OR 136.4 (95% CI 27.38-679.88), p<0.005] and treatment with etanercept [adjusted OR 2.57 (95% CI 1.45-4.57), p=0.001] were independently associated with uveitis. Only one PsA patient with uveitis (out of 107) required systemic oral treatment with prednisone, while the rest of the patients were treated with topical glucocorticosteroids only. CONCLUSION PsA is associated with increased risk of uveitis. Past uveitis and treatment with etanercept were associated with higher risk of uveitis. Key Points • Psoriatic arthritis (PsA) is a major risk factor for uveitis with hazard ratio of 2.38 compared to healthy individuals without PsA. • Among PsA patients, the past event of uveitis and treatment with etanercept are risk factors for uveitis. • Uveitis in patients treated with biologics for their PsA requires topical therapy only in most of the cases.
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The Reply. Am J Med 2023; 136:e166. [PMID: 37481331 DOI: 10.1016/j.amjmed.2023.04.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Accepted: 04/02/2023] [Indexed: 07/24/2023]
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CFD prediction of heat transfer at supercritical pressure with rough walls: Parametric analyses and comparison with experimental data. ANN NUCL ENERGY 2023. [DOI: 10.1016/j.anucene.2023.109815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2023]
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An Unusual Tracing. JAMA Intern Med 2023:2804307. [PMID: 37093606 DOI: 10.1001/jamainternmed.2023.0298] [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: 04/25/2023]
Abstract
This case report presents the electrocardiogram findings of a patient in their 90s with end-stage dementia, pressure ulcers, extrapyramidal syndrome, paroxysmal atrial fibrillation, and hypothyroidism who experienced a massive aspiration of gastric content.
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How to position sodium-glucose co-transporter 2 inhibitors in the management of diabetes in acromegaly patients. Endocrine 2023; 80:491-499. [PMID: 37000406 DOI: 10.1007/s12020-023-03352-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Accepted: 03/07/2023] [Indexed: 04/01/2023]
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Imaging Pitfalls, When We Should Trust Our Touch. Am J Med 2023; 136:e111-e112. [PMID: 36739060 DOI: 10.1016/j.amjmed.2023.01.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 01/20/2023] [Indexed: 02/05/2023]
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An imaging pitfall: misdiagnosis of pulmonary embolism in a patient with advanced cystic fibrosis and bronchiectasis. Lancet 2023; 401:303. [PMID: 36709075 DOI: 10.1016/s0140-6736(22)02165-1] [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: 06/20/2022] [Revised: 07/25/2022] [Accepted: 10/27/2022] [Indexed: 01/27/2023]
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Characterisation of observed heat transfer deterioration modes at supercritical pressure with the aid of a CFD model. ANN NUCL ENERGY 2022. [DOI: 10.1016/j.anucene.2022.109376] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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On Being a Stranger in a Foreign Land: Providing Integrative Oncology Therapies to COVID-19 Medical Professionals. Oncologist 2022; 27:e973-e975. [PMID: 36200861 PMCID: PMC9732254 DOI: 10.1093/oncolo/oyac201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 07/18/2022] [Indexed: 01/05/2023] Open
Abstract
This narrative describes an innovative program using integrative medicine therapies to improve the well-being of patients and providers in a hospital’s COVID-19 departments.
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High Prevalence of Acromegaly in Different Industrial Areas: A Population-based Study from Haifa and Western Galilee District in Northern Israel. THE ISRAEL MEDICAL ASSOCIATION JOURNAL : IMAJ 2022; 24:448-453. [PMID: 35819213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
BACKGROUND National registries for acromegaly and population-based data make an important contribution to disease understanding and management. Data concerning the epidemiology of acromegaly in Israel is scanty. OBJECTIVES To evaluate the epidemiology of acromegaly in different industrial areas in northern Israel. METHODS Data from adult patients diagnosed with acromegaly from 2000 to 2020, living in Haifa and the western Galilee District were collected using the electronic database and medical records from Clalit Health Services. The prevalence of acromegaly in three distinct areas and overall were reported. In addition, other epidemiological data including associated co-morbidities, pituitary tumor size, and treatment modalities were collected. RESULTS We identified 77 patients with a confirmed diagnosis of acromegaly. The overall prevalence was 155 cases/106 inhabitants without statistically significant differences between the three areas. The mean age at diagnosis was 50 ± 1.8 years and the male to female ratio was 1.1. Macroadenoma and microadenoma were identified in 44 (57%) and 25 (33%), respectively. The frequency rate of acromegaly-associated co-morbidities such as diabetes, hypertension, carpal tunnel syndrome, and osteoporosis was similar to previously reported studies. The mean body mass index (BMI) was 29 ± 5.6 kg/m2 .Obesity, with a BMI ≥ of 30 kg/m2, was found in 29 patients (38%). The majority of patients underwent transsphenoidal surgery 67 (87%). Normalized insulin-like growth factor 1 was reported in 64 (83%). CONCLUSIONS A high prevalence of acromegaly was found in northern Israel. The pituitary microadenoma frequency rate is the highest reported.
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[CARING FOR HEALTHCARE PROVIDERS: A GLIMPSE INTO THE SOUL OF BATTLE LEADERS AT THE COVID-19 FRONTIER]. HAREFUAH 2022; 161:458-460. [PMID: 35833434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
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Complementary and integrative medicine intervention in front-line COVID-19 clinicians. BMJ Support Palliat Care 2022:bmjspcare-2021-003333. [PMID: 35383045 PMCID: PMC9002254 DOI: 10.1136/bmjspcare-2021-003333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 03/08/2022] [Indexed: 11/04/2022]
Abstract
OBJECTIVE To assess the impact of a multidisciplinary complementary and integrative medicine (CIM) intervention on physical and emotional concerns among front-line COVID-19 healthcare providers (HCPs). METHODS A multimodality CIM treatment intervention was provided by integrative practitioners to HCPs in three isolated COVID-19 departments. HCPs' two main concerns were scored (from 0 to 6) before and following the CIM intervention using the Measure Yourself Concerns and Wellbeing questionnaire. Postintervention narratives identified reflective narratives specifying emotional and/or spiritual keywords. RESULTS Of 181 HCPs undergoing at least one CIM treatment, 119 (65.7%) completed post-treatment questionnaires. While HCPs listing baseline emotional-related concerns benefited from the CIM intervention, those who did not express emotional or spiritual concerns improved even more significantly following the first session, for both leading concerns (p=0.038) and emotional-related concerns (p=0.023). Nevertheless, it was shown that following subsequent treatments HCPs who expressed emotional and spiritual concerns improved more significantly than those who did not for emotional-related concerns (p=0.017). CONCLUSIONS A CIM intervention for front-line HCPs working in isolated COVID-19 departments can significantly impact emotional-related concerns, more so after the first treatment and among HCPs not using emotional-spiritual keywords in post-treatment narratives. Referral of HCPs to CIM programmes for improved well-being should avoid referral bias to those not expressing emotional/spiritual concerns.
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[DOES INCIDENTAL CALCIUM DEPOSITION IN NON-CARDIAC CT SCANS PREDICT CARDIOVASCULAR MORBIDITY AND MORTALITY IN YOUNG ADULTS - A RETROSPECTIVE STUDY]. HAREFUAH 2021; 160:717-720. [PMID: 34817135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
INTRODUCTION Calcium score (CS) in cardiac CT scans represents an effective tool in the early diagnosis of cardiovascular disease. Few studies evaluated the value of incidental arterial calcification (AC) in non-cardiac CT scans, especially in young adults with no prior cardiovascular disease. AIMS To examine the relationship between arterial calcifications and the incidence of cardiovascular events. METHODS A retrospective study in patients aged 40-51 years old with no history of cardiovascular disease who underwent chest CT scans between 1.9.2012-31.8.2013 for reasons not related to cardiovascular disease. We assessed the presence of AC in the aorta and coronary arteries and its association with the rates of coronary catheterization for acute coronary syndrome (ACS), cardiac mortality and emergency room (ER) visits or hospitalizations for cardiovascular disease. Furthermore, we examined the association between AC and atherosclerotic risk factors. RESULTS A total of 407 patients underwent CT scans for non-cardiovascular reasons within the timeframe specified; 308 were included in the study, 150 men and 158 women with average follow-up period of 7.2+0.29 years. There was an increased frequency in ACS and coronary catheterizations in patients with a positive AC compared to those with null AC (11.6% vs. 0.5% respectively, P= 0.0001, OR = 29.1). A positive AC was found more in men than women (35% vs. 20.9% respectively, P=0.006, OR=2.18). Patients with a positive AC had more ER and hospital admissions (33.7 % vs. 14.4% respectively, P<0.0001, OR=3). Patients with diabetes, hypertension and hyperlipidemia exhibited higher rates of positive AC. CONCLUSIONS Although multivariate analysis is still to be conducted, it seems that AC is associated with cardiovascular morbidity and increased incidence of coronary catheterizations. Primary preventive strategies in patients with positive AC may reduce cardiovascular morbidity and mortality.
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Does incidental calcium deposition in non-cardiac CT scans predict cardiovascular morbidity and mortality in young adults? A retrospective study. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.2526] [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: 11/13/2022] Open
Abstract
Abstract
Background
The calcium score in cardiac CT scan represents an effective tool in the diagnosis of coronary artery disease. However, few studies have examined the value of incidental arterial calcification (AC) in non-cardiac CT scans, especially in young adults with no prior cardiovascular morbidity.
Purpose
To evaluate the association between incidental AC and the incidence of cardiovascular events, as well as the association between atherosclerotic risk factors and AC in young adults with no known cardiovascular disease.
Methods
A retrospective study in patients aged 40–50 years old with no history of cardiovascular disease that underwent chest CT scan between 1.9.2012–31.8.2013 for reasons not related to cardiovascular disease. We assessed the presence of AC in the aorta and coronary arteries and its association with the rates of coronary catheterization for acute coronary syndrome (CCACS), emergency room (ER) visits or hospitalizations for cardiovascular disease and cardiac mortality. Furthermore, we examined the association between atherosclerotic risk factors (hypertension, smoking, hyperlipidemia and diabetes) and AC.
Results
308 patients were included in the study, 150 men and 158 women with average follow-up period of 7.2+0.29 years. AC was found in 88 (28.6%) patients. AC was more frequent in men than in women (35% vs. 20.9%, OR=2.18, P=0.006). Patients with AC underwent more CCACS than those without (11.6% vs. 0.5%, OR = 29.1, P=0.0001). Patients with AC had more ER and hospital admissions (33.7% vs. 14.4%, P<0.0001, OR=3). Individuals with hypertension, smoking, and hyperlipidemia exhibited higher rates of AC (OR=2.66, 4, and 1.9, respectively). A statistically significant excess mortality in those with AC was not demonstrated (P=0.076).
Conclusion
AC appears to be associated with cardiovascular morbidity and increased incidence of CCACS. Primary preventive strategies in patients with AC may reduce cardiovascular morbidity.
Funding Acknowledgement
Type of funding sources: None.
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Sensing the lightness: a narrative analysis of an integrative medicine program for healthcare providers in the COVID-19 department. Support Care Cancer 2021; 30:1419-1426. [PMID: 34528124 PMCID: PMC8442644 DOI: 10.1007/s00520-021-06546-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 09/03/2021] [Indexed: 02/13/2023]
Abstract
Objectives
The research addressing physical and emotional exhaustion among healthcare providers (HCPs) in COVID-19 departments is limited. We examined the impact of integrative medicine (IM) intervention for HCPs working in isolated COVID-19 in-patient departments, addressing concerns and well-being. Methods HCPs working in 3 isolated COVID-19 in-patient departments underwent 40-min IM treatment sessions (including acupuncture, manual movement, and/or mind–body modalities) provided by integrative oncology practitioners. The MYCAW (Measure Yourself Concerns and Well-being) questionnaire examined HCP concerns and free-text narratives following IM treatments. Data were qualitatively analyzed using ATLAS.Ti software for systematic coding. Results A total of 181 HCPs underwent 305 IM treatments. Narrative themes focused on physical symptoms (primarily pain and fatigue) and emotional concerns, including perceived communication barriers with patients, and reflections on well-being and insights following IM treatments. HCPs reported feeling a sense of “relief” which was likely related to the 3 main effects of the IM intervention: a sense of “being cared for” and treated; experiencing emotional, sometimes spiritual effects of the treatment; and the feeling of relaxation, combined with the relief of pain. Qualitative analysis identified clusters of emotional and spiritual-related keywords such as “calming,” “release,” “relaxation,” and “disengagement” following the first IM session (119 of 181 narratives, 65.7%). Conclusions HCPs working in isolated COVID-19 departments reported improved well-being and the addressing of their concerns following IM treatment sessions provided during their work shift. Further research is needed to explore the impact of IM on HCP burnout and resilience in palliative care settings.
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[AMIODARONE-INDUCED THYROTOXICOSIS - RISK FACTORS AND PREDICTORS OF OUTCOME: A RETROSPECTIVE STUDY]. HAREFUAH 2021; 160:514-519. [PMID: 34396727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
BACKGROUND Amiodarone induced thyrotoxicosis (AIT) occurs with considerable incidence and is associated with significant morbidity and mortality. Factors that predict poor prognosis in this disease have not yet been sufficiently investigated. OBJECTIVES We examined the characteristics and short-term clinical outcomes of patients with AIT (up to six months from diagnosis). We evaluated the relationship between T3 and T4 levels at time of presentation and complications associated with AIT. METHODS A retrospective epidemiological study was conducted reviewing all cases diagnosed with thyrotoxicosis and amiodarone consumption of patients treated in the Carmel Medical Center between the years 2004-2008. We examined the characteristics of patients who tend to develop AIT. In addition, we examined whether T3 and T4 levels at the time of presentation were a predictor of a poor prognosis. Three major complications associated with AIT were defined as primary outcomes within six months of diagnosis: 1. mortality; 2. development of AIT-related complications that required hospitalization; 3. the need for thyroidectomy. RESULTS A total of 400 patients were diagnosed with thyrotoxicosis and consumed amiodarone. However, only 39 patients met the definition of AIT. The composite outcome of mortality, AIT-related complications and thyroidectomy were found in the vast majority of patients (94.8%, 37 out of 39 participants); 3 (7.6%) died and 35 (89.7%) were hospitalized with AIT-related complications and 8 (20.5%) required thyroidectomy. We found a statistically significant relationship between high T4 levels (above 64.3 mcg/dL or above 3 times the upper limit of the norm) and the composite of two main endpoints: mortality and the need for thyroidectomy in the first half year of diagnosis (P=0.009). CONCLUSIONS AIT is associated with significant morbidity and mortality. An elevated level of free T4 reflects the severity of AIT. In patients with significantly increased T4 values, an early surgical intervention should be considered.
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Inducing regulated necrosis and shifting macrophage polarization with anti-EMMPRIN antibody (161-pAb) and complement factors. J Leukoc Biol 2021; 110:343-356. [PMID: 33205451 PMCID: PMC8359428 DOI: 10.1002/jlb.3a0520-333r] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 09/02/2020] [Accepted: 10/31/2020] [Indexed: 12/11/2022] Open
Abstract
Treatment of solid tumors is often hindered by an immunosuppressive tumor microenvironment (TME) that prevents effector immune cells from eradicating tumor cells and promotes tumor progression, angiogenesis, and metastasis. Therefore, targeting components of the TME to restore the ability of immune cells to drive anti-tumoral responses has become an important goal. One option is to induce an immunogenic cell death (ICD) of tumor cells that would trigger an adaptive anti-tumoral immune response. Here we show that incubating mouse renal cell carcinoma (RENCA) and colon carcinoma cell lines with an anti-extracellular matrix metalloproteinase inducer polyclonal antibody (161-pAb) together with complement factors can induce cell death that inhibits caspase-8 activity and enhances the phosphorylation of receptor-interacting protein kinase 3 (RIPK3) and mixed-lineage kinase-like domain (MLKL). This regulated necrotic death releases high levels of dsRNA molecules to the conditioned medium (CM) relative to the necrotic death of tumor cells induced by H2 O2 or the apoptotic death induced by etoposide. RAW 264.7 macrophages incubated with the CM derived from these dying cells markedly enhanced the secretion of IFNβ, and enhanced their cytotoxicity. Furthermore, degradation of the dsRNA in the CM abolished the ability of RAW 264.7 macrophages to secrete IFNβ, IFNγ-induced protein 10 (IP-10), and TRAIL. When mice bearing RENCA tumors were immunized with the 161-pAb, their lysates displayed elevated levels of phosphorylated RIPK3 and MLKL, as well as increased concentrations of dsRNA, IFNβ, IP-10, and TRAIL. This shows that an antigen-targeted therapy using an antibody and complement factors that triggers ICD can shift the mode of macrophage activation by triggering regulated necrotic death of tumor cells.
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Amiodarone-Induced Thyrotoxicosis, Risk Factors and Predictors of Outcome: A Retrospective Study. J Endocr Soc 2021. [PMCID: PMC8090419 DOI: 10.1210/jendso/bvab048.1705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Background Amiodarone induced thyrotoxicosis (AIT) is not uncommon and is often associated with significant morbidity and mortality. Factors that predict poor prognosis in AIT have not yet been sufficiently investigated. Objective: To examine the characteristics and short-term clinical outcomes of patients with AIT (up to six months from diagnosis). We evaluated the relationship between T3 and T4 levels at the time of presentation and complications associated with AIT. Methods: A retrospective epidemiological study on patients admitted to Carmel Medical Center between the years 2004-2018. We reviewed electronic medical records of patients who bear the diagnosis of thyrotoxicosis and consumed amiodarone. Demographic and clinical characteristics of patients that develop AIT were evaluated. We evaluated the association between T3 and T4 levels at the time of presentation a poor prognosis. Three primary outcomes were defined: 1. Mortality. 2. Development of AIT-related complications that required hospitalization. 3. The need for thyroidectomy. Results: 400 patients bear a diagnosis of thyrotoxicosis and consumed amiodarone. However, only 39 patients met the full definition of AIT. The composite outcome of mortality, AIT-related complications and thyroidectomy was achieved in the vast majority of patients (94.8%, 37 out of 39 participants). Three patients (7.6%) died, 35 (89.7%) were hospitalized with AIT-related complications and 8 (20.5%) required thyroidectomy. There was a statistically significant relationship between high T4 levels and the composite of two main endpoints: mortality and the need for thyroidectomy in the first half year of diagnosis (P=0.009). Conclusions: AIT is associated with significant morbidity and mortality. An elevated level of free T4 reflects the severity of AIT. In patients with significantly increased T4 values, an early surgical intervention should be considered.
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Glycemic Control & Morbidity in Diabetics With COPD Exacerbation. A Retrospective Study. J Endocr Soc 2021. [PMCID: PMC8089584 DOI: 10.1210/jendso/bvab048.844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Background: Diabetes and chronic obstructive pulmonary disease (COPD) are widely prevalent and comorbidity with these diseases is quite common. However, there is limited data on the interrelation between glycemic control and COPD exacerbations in diabetic patients. Objective: To study the association between pre-admission glycemic control and COPD clinical outcomes including mortality, risk of hospital readmission and the need for mechanical ventilation. Methods: A retrospective population-based cohort study. We screened for patients with both diabetes and COPD exacerbation aged 35 years and above. Pre-admission glycemic control was defined by the last HBA1C level prior to hospitalization. Patients with HBA1C>8% were defined as uncontrolled. We evaluated the difference between controlled and uncontrolled groups in the rates of mortality, readmission and the need for mechanical ventilation. We examined demographic and clinical parameters that might reflect COPD severity including: COPD medication use, blood hemoglobin, platelets, LDH and CRP levels. Results: 513 hospitalizations with diabetes and COPD were screened. 222 hospitalization were excluded either due to unestablished diagnosis of COPD or due to lack of HBA1C test in the preceding year. Of the remaining 291, 208 admissions were with controlled diabetes whereas 83 were uncontrolled. Although not statistically significant, the rate of re-hospitalization was higher in the uncontrolled group (OR 1.99, CI 0.99–4.0, p-value 0.051). There was no statistically significant difference in mortality (OR 1.6, CI 0.73–3.5, p-value 0.243). The use of oxygen and the need for noninvasive mechanical ventilation were significantly higher in the uncontrolled group (67.5% vs. 52.4%, p-value 0.019, 33.7% versus 18.8%, p-value 0.006, respectively). There was no significant difference in possible confounders tested between the groups. Conclusion: Uncontrolled diabetes may adversely affect patients with COPD exacerbation. Larger studies are needed to conclusively determine the impact of glycemic control on COPD morbidity and mortality.
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COVID-19 Pandemic and Ramadan Fasting among Patients with Type 2 Diabetes Mellitus. THE ISRAEL MEDICAL ASSOCIATION JOURNAL : IMAJ 2021; 23:203-207. [PMID: 33899349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
This year Ramadan occurs during the global coronavirus disease-2019 (COVID-19) pandemic. Data has shown that patients with type 2 diabetes mellitus (T2DM) are prone to severe disease with COVID-19 and with increased mortality. Acute complications such as dehydration, starvation ketosis, ketoacidosis, and the increased risk of coagulopathy and thrombosis should be considered particularly during this pandemic period. Fasting during Ramadan this year and the COVID-19 pandemic is more challenging, not only for patients with T2DM but also for healthcare providers. We present healthcare providers with important aspects to consider during the COVID-19 pandemic for patients with T2DM who intend to fast during Ramadan and other fasting days.
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Treat-to-target concept implementation for evaluating rheumatoid arthritis patients in daily practice. Eur J Rheumatol 2019; 6:136-141. [PMID: 31329541 DOI: 10.5152/eurjrheum.2019.18195] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Accepted: 03/14/2019] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVE We aimed to assess the implementation of the treat-to-target (T2T) concept in rheumatoid arthritis (RA) patients in daily practice. METHODS All RA patients visiting one of the 7 academic medical centers in Israel in June 2015 with at least 3 previous clinic visits were included in this study. A common questionnaire was used to collect data from patients' medical records, and two independent rheumatologists evaluated the collected data for the implementation of the T2T concept. The associations between T2T implementation and the categorical and continuous variables were assessed. RESULTS The study included 724 patients with a mean (standard deviation) age of 62.6 (13.97) years and 575 (80.4%) of them were women. Four centers used more than one scoring method, with Disease Activity Score-28 and Clinical Disease Activity Index) being most commonly used. Only 276 (38.1%) patients had disease score results in ≥3 visits, and the T2T recommendations were implemented for 245 (33.8%) of the 724 patients. The rate of implementation was higher in younger (p=0.028) rheumatoid factor-positive patients (p=0.011) and varied between centers (11.1%-87% p<0.0001). T2T implementation did not correlate to gender, place of residence, education, tobacco use, treatment regimens, and presence of erosions or comorbidities. CONCLUSION The T2T concept was implemented on only 33.8% of patients and was not affected by RA disease severity. Further studies are needed to determine the reasons for this deviation from the T2T standard of care for RA as well as its consequences.
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RF04 AORTIC ARCH ANEURYSM. J Cardiovasc Med (Hagerstown) 2018. [DOI: 10.2459/01.jcm.0000550060.04051.a9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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An Intervention to Reduce the Time Interval Between Hospital Entry and Emergency Coronary Angiography in Patients with ST-Elevation Myocardial Infarction. THE ISRAEL MEDICAL ASSOCIATION JOURNAL : IMAJ 2017; 19:547-552. [PMID: 28971637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
BACKGROUND Outcomes of patients with acute ST-elevation myocardial infarction (STEMI) are strongly correlated to the time interval from hospital entry to primary percutaneous coronary intervention (PPCI). Current guidelines recommend a door to balloon time of < 90 minutes. OBJECTIVES To reduce the time from hospital admission to PPCI and to increase the proportion of patients treated within 90 minutes. METHODS In March 2013 the authors launched a seven-component intervention program: Direct patient evacuation by out-of-hospital emergency medical services to the coronary intensive care unit or catheterization laboratory Education program for the emergency department staff Dissemination of information regarding the urgency of the PPCI decision Activation of the catheterization team by a single phone call Reimbursement for transportation costs to on-call staff who use their own cars Improvement in the quality of medical records Investigation of failed cases and feedback. RESULTS During the 14 months prior to the intervention, initiation of catheterization occurred within 90 minutes of hospital arrival in 88/133 patients(65%); during the 18 months following the start of the intervention, the rate was 181/200 (90%) (P < 0.01). The respective mean/median times to treatment were 126/67 minutes and 52/47 minutes (P < 0.01). Intervention also resulted in shortening of the time interval from hospital entry to PPCI on nights and weekends. CONCLUSIONS Following implementation of a comprehensive intervention, the time from hospital admission to PPCI of STEMI patients shortened significantly, as did the proportion of patients treated within 90 minutes of hospital arrival.
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Regulatory T-cells in Graves' orbitopathy: baseline findings and immunomodulation by anti-T lymphocyte globulin. J Clin Endocrinol Metab 2011; 96:422-9. [PMID: 21147887 DOI: 10.1210/jc.2010-1424] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
BACKGROUND AND AIM Graves' orbitopathy (GO) is characterized by orbital T cell infiltration and local release of proinflammatory cytokines. We aimed to evaluate the involvement of baseline regulatory T (Treg) cells and rabbit anti-T lymphocyte globulin (rATG)-induced Treg cells in GO. DESIGN Peripheral blood mononuclear cells (PBMCs) from seven patients with Graves' disease (GD) without eye manifestations, 29 patients with GO, and 15 healthy controls were incubated with rATG, washed, and analyzed for expression of Treg cell markers and for ability to suppress mixed lymphocyte reaction. RESULTS Elevation of CD4 to CD8 ratio and enhanced secretion of IL-6, IL-10, and TNFα were detected in PBMCs of GO patients compared with controls (both P < 0.01). Despite this abnormality, the frequencies of CD4(+)CD25(+)FoxP3(+) of GO and control PBMCs were similar and remained unchanged after 24 h incubation with control rabbit IgG (rIgG). Incubation with polyclonal rATG increased the frequency of PBMCs of GO patients, expressing Treg cell markers (CD25, FoxP3, and the IL-7 receptor CD127(low/-)) by 2.5-8 fold over corresponding rIgG-incubated cells (P < 0.05). FoxP3/CD4 rATG-induced Treg cell marker expressed more intensively on GO peripheral blood leukocytes (PBLs) than on GD (P < 0.01) or normal (P < 0.05) PBLs, yet its expression on normal PBLs was stronger than on GD PBLs (P < 0.05). GO rATG-incubated PBMCs, but not rIgG-incubated PBMCs, suppressed (P < 0.05) proliferation of autologous responder cells stimulated with allogeneic irradiated cells in mixed lymphocyte reaction. Such rATG-induced suppressive activity was not detected in GD. CONCLUSION This study is the first to show that PBMCs of patients with GO substantially increase Treg cells in both frequency and potency after in vitro incubation with rATG.
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Immune modulation in type 1 diabetes mellitus using DiaPep277: a short review and update of recent clinical trial results. Diabetes Metab Res Rev 2009; 25:316-20. [PMID: 19267355 DOI: 10.1002/dmrr.942] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
In type 1 diabetes mellitus, autoimmune T-cells mount an attack on insulin producing beta-cells eventually causing hyperglycemia. It is hypothesized, that to prevent and treat this disease, one must interfere with the autoimmune process. To avoid hazardous side effects, this intervention should not cause a global immune suppression but immune modulation. DiaPep277 (peptide 277) is a 24 amino acid peptide derived from positions 437-460 in HSP60. It has recently been shown to have an immune modulatory effect on diabetogenic T cells in animal models of diabetes. It has also been recently implicated as a possible auto-antigen in type 1 diabetes. Promising results in animal models led to phase 1 to 3 human clinical trials in patients with type 1 diabetes, the results of which are the focus of this review. A combined analysis of all the adult phase II studies revealed that DiaPep277 significantly inhibits the decline in stimulated C-peptide secretion (thus preserving endogenous insulin secretion). This effect was more pronounced in patients with a high beta-cell reserve at the start of the treatment. Furthermore, opposite trends in glycemic control of DiaPep277 treated patients where noted as opposed to placebo treated patients. The phase III study has began more than 2 years ago in 40 medical centers worldwide, and thus far recruited over 350 patients around the world. If DiaPep277 will prove to be efficacious, it will cause a paradigm shift in the treatment of type 1 diabetes, from treating the subsequent insulin deficiency to addressing the initial autoimmune process that is at the heart of the disease.
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Hyperinsulinemic hypoglycemia in Beckwith-Wiedemann syndrome due to defects in the function of pancreatic beta-cell adenosine triphosphate-sensitive potassium channels. J Clin Endocrinol Metab 2005; 90:4376-82. [PMID: 15811927 DOI: 10.1210/jc.2005-0158] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
BACKGROUND Beckwith-Wiedemann syndrome (BWS) is a congenital overgrowth syndrome that is clinically and genetically heterogeneous. Hyperinsulinemic hypoglycemia occurs in about 50% of children with BWS and, in the majority of infants, it resolves spontaneously. However, in a small group of patients the hypoglycemia can be persistent and may require pancreatectomy. The mechanism of persistent hyperinsulinemic hypoglycemia in this group of patients is unclear. PATIENTS AND METHODS Using patch-clamp techniques on pancreatic tissue obtained at the time of surgery, we investigated the electrophysiological properties of ATP-sensitive K(+) (K(ATP)) channels in pancreatic beta-cells in a patient with BWS and severe medically-unresponsive hyperinsulinemic hypoglycemia. RESULTS Persistent hyperinsulinism was found to be caused by abnormalities in K(ATP) channels of the pancreatic beta-cell. Immunofluorescence studies using a SUR1 antibody revealed perinuclear pattern of staining in the BWS cells, suggesting a trafficking defect of the SUR1 protein. No mutations were found in the genes ABCC8 and KCNJ11 encoding for the two subunits, SUR1 and KIR6.2, respectively, of the K(ATP) channel. Genetic analysis of this patients BWS showed evidence of mosaic paternal isodisomy. CONCLUSIONS In this novel case of BWS with mosaic paternal uniparental disomy for 11p15, persistent hyperinsulinism was due to abnormalities in K(ATP) channels of the pancreatic beta-cell. The mechanism/s by which mosaic paternal uniparental disomy for 11p15 causes a trafficking defect in the SUR1 protein of the K(ATP) channel remains to be elucidated.
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p57Kip2 (cdkn1c): sequence, splice variants and unique temporal and spatial expression pattern in the rat pancreas. J Transl Med 2005; 85:364-75. [PMID: 15696192 DOI: 10.1038/labinvest.3700229] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
The cyclin-dependent kinase (CDK) inhibitor p57Kip2 (CDKN1C) is a negative regulator of cell proliferation, binding to a variety of cyclin-CDK complexes and inhibiting their kinase activities in vitro. The p57Kip2 gene is imprinted and the maternal allele is expressed in terminally differentiated cells, including human beta-cells. Somatic loss of p57Kip2 expression is associated with increased beta-cell proliferation in the focal form of Hyperinsulinism of Infancy. We cloned and sequenced the rat ortholog of p57Kip2, and demonstrate that it is highly homologous to the mouse gene. However, the human and rodent genes are quite divergent. Despite having highly homologous C- and N-terminal domains, the mid-portion of the human gene is entirely different from that of its rodent counterparts. Expression of p57Kip2 was evaluated during fetal and postnatal development, and a highly cell-specific, temporal and spatial expression profile was found. In contrast to other tissues, the expression pattern in rat pancreas was entirely opposite from that previously reported in man, with high levels of expression in rodent exocrine cells, but no expression in beta-cells during any stage of development. These findings demonstrate that p57Kip2 expression is highly regulated. In the pancreas, the functional significance of this gene appears to be quite different in humans when compared with rodents, suggesting that a better understanding of the function of this protein may provide new insights into the mechanisms involved in the control of human beta-cell mass.
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Abstract
Prognostic variables and treatment outcomes of 82 patients treated at the Northern Israel Oncology Center were reviewed. There were 59 women and 23 men in this series. The female/male ratio was 2.6/1. Median age was 46 years. Median follow-up was 11.4 (range: 3.8-24 years). Median tumor size was 3.6 cm. When first seen, 4 patients had lymph node involvement and 11 (13%) had distant metastases. Surgical treatment was total thyroidectomy in 37 patients (45%), subtotal thyroidectomy in 38 (46%), and lesser procedures in 7 (9%). Sixty-six patients (80%) were treated after surgery with 131I to ablate thyroid remnants. Doses ranged between 30 and 80 mCi. The 20-year overall actuarial survival rate was 65%. The actuarial survival rate of patients <40 years of age was 96% versus 33% in patients >50 years of age (p = 0.0008). Patients with distant metastases at presentation had inferior survival compared with patients without metastases. In conclusion, we found subtotal thyroidectomy followed by 131I and hormone therapy to provide survival similar to that with total thyroidectomy, with less morbidity. Risk factors include: age > or =40 at the time of diagnosis, presence of distant metastases, capsular invasion, tumor size > or =2 cm, and male gender.
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HLA class II associations with rheumatic heart disease are more evident and consistent among clinically homogeneous patients. Circulation 1999; 99:2784-90. [PMID: 10351973 DOI: 10.1161/01.cir.99.21.2784] [Citation(s) in RCA: 76] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Discrepancies in reported HLA class II associations with rheumatic heart disease (RHD) may have been due to inaccuracies of serological typing reagents and/or lack of defined clinical classification of patients analyzed. The molecular association between HLA and RHD was investigated in patients with defined clinical outcome. METHODS AND RESULTS Class II allele/haplotype distribution was determined in 2 groups of RHD patients (n=88) and a control group (n=59). Patients were divided into the mitral valve disease (MVD) category (ie, those with mitral regurgitation with or without mitral stenosis) and the multivalvular lesions (MVL) category, with impairment of aortic and/or tricuspid valves in addition to mitral valve damage. The MVD category (n=65) accounted for 74% of patients and included significantly fewer recurrent RF episodes compared with MVL patients (P=0.002). CONCLUSIONS Significant increases in DRB1*0701 and DQA1*0201 alleles and DRB1*0701-DQA1*0201 haplotypes were found in patients. Removal of the MVL patients from analysis increased the strength of HLA associations among the MVD sample. The frequency of DQA1*0103 allele was decreased and the DQB1*0603 allele was absent from the patient group, suggesting that these alleles may confer protective effects against RHD. DQ alleles in linkage disequilibrium with DR alleles appear to influence risk/protection effect: whereas the DRB1*13-DQA1*0501-3-DQB1*0301 haplotype showed a trend toward risk, the DRB1*13-DQA1*0103-DQB1*0603 haplotype was absent in the RHD sample. Our data indicate that certain class II alleles/haplotypes are associated with risk or protection from RHD and that these associations appear to be stronger and more consistent when analyzed in patients with relatively more homogeneous clinical manifestations.
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[Differentiated thyroid cancer in Arabs in northern Israel]. HAREFUAH 1997; 132:6-9, 72. [PMID: 9035579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Prognostic factors and survival rate of 53 Arabs with differentiated carcinoma of the thyroid treated here were reviewed. Papillary carcinoma was diagnosed in 35 (66%) and follicular carcinoma in 18 (34%): the female/male ratio was 2.3/1 and the median age 32. Age, gender, tumor size, histology and tumor stage were important prognostic factors. The 20-year actuarial survival rate of the entire group was 96%. The probable reason for the high survival rate was the low median age.
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[Destruction of residual varicose collaterals by subcutaneous dilaceration with a needle]. PHLEBOLOGIE 1980; 33:139-43. [PMID: 7375520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
The persistence of collaterals after a properly conducted surgical treatment of varicose veins of the lower limbs often presents a problem which is difficult to resolve. The authors put forward a simple and original method, in which a long and slightly curved triangular needle is used, without incisions, to destroy by dilaceration the collaterals whatever their degree of dilatation and their location. This technique has also been used as a first stage preceding stripping, and over a 5 year period has given results in 70 patients which are very satisfactory both from the point of view of efficacy as well as from the aesthetic point of view.
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[Therapeutical options in the infectious complications of diverticules of the sigmoid colon (author's transl)]. SCHWEIZERISCHE RUNDSCHAU FUR MEDIZIN PRAXIS = REVUE SUISSE DE MEDECINE PRAXIS 1978; 67:537-44. [PMID: 643817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Electrocardiographic studies in kwashiorkor. THE JOURNAL OF TROPICAL MEDICINE AND HYGIENE 1969; 72:291-5. [PMID: 5387056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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