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Quansah DY, Gross J, Mbundu-Ilunga R, Puder JJ. The utility of diagnostic tests in the detection and prediction of glucose intolerance in the early and late postpartum period in women after gestational diabetes: a longitudinal cohort study. Diabetol Metab Syndr 2021; 13:31. [PMID: 33731202 PMCID: PMC7966915 DOI: 10.1186/s13098-021-00650-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 03/04/2021] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Due to diverging international recommendations, the unclear role of HbA1c and the lack of longitudinal data, we investigated the accuracy of diagnostic tests in the early and late postpartum in women with gestational diabetes (GDM) especially to predict future glucose-intolerance. METHODS This longitudinal cohort included 967 women with GDM from 2011 to 2020. A 75-g oGTT and HbA1c were performed at 4-12 weeks (early) postpartum. FPG and HbA1c were measured at 1 and 3-year (late) postpartum. ADA criteria were used as gold standards. At all time-points (4-12 weeks, 1-year and 3-year postpartum) women with diabetes and prediabetes were grouped together and referred to as glucose-intolerant, because at most 3% of the entire cohort population had diabetes at any time-point. RESULTS The prevalence of glucose-intolerance in the early postpartum was higher using FPG and HbA1c (27.5%) than oGTT criteria (18.2%). Only 48-80% of women diagnosed with glucose-intolerance in the early postpartum actually remained intolerant. This was especially low when FPG or oGTT were combined with HbA1c (1-year: ≤ 62% and 3-years: ≤ 50%). Regardless of the test used, 1/3 of women with initially normal glucose-tolerance became glucose-intolerant in the late postpartum. HbA1c was unrelated to iron status/intake, remained stable throughout, but poorly predicted future glucose-intolerance. In the longitudinal analyses, all diagnostic tests in the early postpartum showed acceptable specificities (74-96%) but poor sensitivities (all < 38%) to predict glucose-intolerance after only 10-months. At 1-year postpartum however, the combination of FPG and HbA1c could best predict glucose-intolerance 2-years later. CONCLUSIONS Combining FPG with HbA1c at 1-year postpartum represents a reliable choice to predict future glucose-intolerance. Given the poor prediction of tests including oGTT in the early postpartum, focus should rather be on continuous long-term screening.
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Affiliation(s)
- Dan Yedu Quansah
- Obstetric Service, Department Woman-Mother-Child, Lausanne University Hospital, Lausanne Switzerland Avenue de la Sallaz, CH-1011 Lausanne, Switzerland
| | - Justine Gross
- Obstetric Service, Department Woman-Mother-Child, Lausanne University Hospital, Lausanne Switzerland Avenue de la Sallaz, CH-1011 Lausanne, Switzerland
- Service of Endocrinology, Diabetes and Metabolism, Department of Medicine, Lausanne University Hospital, Lausanne, Switzerland
| | - Richard Mbundu-Ilunga
- Service of Endocrinology, Diabetes and Metabolism, Department of Medicine, Lausanne University Hospital, Lausanne, Switzerland
| | - Jardena J. Puder
- Obstetric Service, Department Woman-Mother-Child, Lausanne University Hospital, Lausanne Switzerland Avenue de la Sallaz, CH-1011 Lausanne, Switzerland
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Trofenciuc NM, Bordejevic AD, Tomescu MC, Petrescu L, Crisan S, Geavlete O, Mischie A, Onel AFM, Sasu A, Pop-Moldovan AL. Toll-like receptor 4 (TLR4) expression is correlated with T2* iron deposition in response to doxorubicin treatment: cardiotoxicity risk assessment. Sci Rep 2020; 10:17013. [PMID: 33046755 PMCID: PMC7552385 DOI: 10.1038/s41598-020-73946-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 09/23/2020] [Indexed: 11/16/2022] Open
Abstract
Although doxorubicin (Dox) is an effective antitumor antibiotic in the anthracycline class, it often induces the undesirable side effect of cardiomyopathy leading to congestive heart failure, which limits its clinical use. The primary goal of this study is to evaluate a reliable translational method for Dox-induced cardiotoxicity (CTX) screening, aiming to identify a high-risk population and to discover new strategies to predict and investigate this phenomenon. Early identification of the presence of iron deposits and genetic and environmental triggers that predispose individuals to increased risk of Dox-induced CTX (e.g., overexpression of Toll-like receptor 4 (TLR4)) will enable the early implementation of countermeasure therapy, which will improve the patient's chance of survival. Our cohort consisted of 25 consecutive patients with pathologically confirmed cancer undergoing Dox chemotherapy and 12 control patients. The following parameters were measured: serum TLR4 (baseline), serum transferrin (baseline and 6-week follow-up) and iron deposition (baseline and 6-week follow-up). The average number of gene expression units was 0.121 for TLR4 (range 0.051-0.801). We subsequently correlated serum TLR4 levels in our cohort with myocardial iron overload using the cardiac magnetic resonance (CMR) T2* technique, the ventricular function (% ejection fraction, %EF) and serum transferrin levels. There is a strong negative linear relationship between serum TLR4 and CMR T2* values (r = - 0.9106, ****P < 0.0001). There is also a linear correlation (either positive or negative) with EF and transferrin; no established relationship related to the sex of the patients was found. Patients with elevated serum TLR4 at baseline also exhibited an increase in serum transferrin levels and Dox-induced left ventricular dysfunction with a decreased EF (< 50%); this phenomenon was observed in 7 of 25 patients (28%) at the 6-week follow-up. There were no significant differences or correlations based on sex. We concluded that there is a direct relationship between Dox-induced CTX (indicated by elevated serum TLR4) and the times (ms) for T2* (decreases in which correspond to immediate and rapid iron overload).
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Affiliation(s)
- Nelu-Mihai Trofenciuc
- "Victor Babeş" University of Medicine and Pharmacy, Timisoara, Romania
- Institute of Cardiovascular Disease, Timisoara, Romania
| | - Aurora Diana Bordejevic
- "Victor Babeş" University of Medicine and Pharmacy, Timisoara, Romania
- Institute of Cardiovascular Disease, Timisoara, Romania
| | - Mirela Cleopatra Tomescu
- "Victor Babeş" University of Medicine and Pharmacy, Timisoara, Romania
- Timisoara Municipal Emergency Clinical Hospital, Timisoara, Romania
| | - Lucian Petrescu
- "Victor Babeş" University of Medicine and Pharmacy, Timisoara, Romania
- Institute of Cardiovascular Disease, Timisoara, Romania
| | - Simina Crisan
- "Victor Babeş" University of Medicine and Pharmacy, Timisoara, Romania.
- Institute of Cardiovascular Disease, Timisoara, Romania.
| | - Oliviana Geavlete
- "Carol Davila" University of Medicine and Pharmacy, Bucharest, Romania
- Institute of Cardiovascular Diseases 'Prof. Dr. C. C. Iliescu, Bucharest, Romania
| | - Alexandru Mischie
- Centre Hospitalier de Montluçon, Invasive Cardiology Unit, Cardiology Department, Montluçon, France
| | - Alexandru Fica Mircea Onel
- "Vasile Goldis" Western University of Arad, Arad, Romania
- Arad County Clinical Emergency Hospital, Hematology Department, Arad, Romania
| | - Alciona Sasu
- "Vasile Goldis" Western University of Arad, Arad, Romania
- Arad County Clinical Emergency Hospital, Hematology Department, Arad, Romania
| | - Adina Ligia Pop-Moldovan
- "Vasile Goldis" Western University of Arad, Arad, Romania
- Arad County Clinical Emergency Hospital, Cardiology Department, Arad, Romania
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Survival outcomes in iron chelated and non-chelated patients with lower-risk myelodysplastic syndromes: Review and pooled analysis of observational studies. Leuk Res 2017; 57:104-108. [DOI: 10.1016/j.leukres.2017.03.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Accepted: 03/11/2017] [Indexed: 12/17/2022]
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Delforge M, Selleslag D, Beguin Y, Triffet A, Mineur P, Theunissen K, Graux C, Trullemans F, Boulet D, Van Eygen K, Noens L, Van Steenweghen S, Lemmens J, Pierre P, D’hondt R, Ferrant A, Deeren D, Van De Velde A, Wynendaele W, André M, De Bock R, Efira A, Breems D, Deweweire A, Geldhof K, Pluymers W, Harrington A, MacDonald K, Abraham I, Ravoet C. Adequate iron chelation therapy for at least six months improves survival in transfusion-dependent patients with lower risk myelodysplastic syndromes. Leuk Res 2014; 38:557-63. [DOI: 10.1016/j.leukres.2014.02.003] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2013] [Revised: 02/03/2014] [Accepted: 02/05/2014] [Indexed: 01/25/2023]
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Abstract
Anemia leading to transfusion dependency (TD) and iron overload (IO) is commonly observed in patients with myelodysplastic syndromes (MDS). In MDS, TD and IO have been retrospectively associated with inferior survival and worse clinical outcomes, including cardiac, hepatic and endocrine dysfunction, and, in some analyses, with leukemic progression and infectious complications. Although suggested by retrospective analyses, clear prospective documentation of the beneficial effects of iron chelation therapy (ICT) on organ function and survival in MDS patients with TD and IO is currently lacking. Consequently, the role of ICT in MDS patients with TD and IO remains a very controversial aspect in the management of MDS. In this review, the authors summarize the current knowledge regarding IO in MDS and the role of ICT.
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Affiliation(s)
- Mhairi Mitchell
- School of Medicine and Dentistry, University of Aberdeen, Aberdeen, UK
| | - Steven D Gore
- The Sidney Kimmel Comprehensive Cancer Center at the Johns Hopkins University, Department of Oncology, 1650 Orleans Street, CRB1 building, Room 186, Baltimore, MD 21287, USA
| | - Amer M Zeidan
- The Sidney Kimmel Comprehensive Cancer Center at the Johns Hopkins University, Department of Oncology, 1650 Orleans Street, CRB1 building, Room 186, Baltimore, MD 21287, USA
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Wehner C, Gruber R, Agis H. L-mimosine and dimethyloxaloylglycine decrease plasminogen activation in periodontal fibroblasts. J Periodontol 2013; 85:627-35. [PMID: 23826644 DOI: 10.1902/jop.2013.120703] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
BACKGROUND The use of prolyl hydroxylase inhibitors such as l-mimosine (L-MIM) and dimethyloxaloylglycine (DMOG) to improve angiogenesis is a new approach for periodontal regeneration. In addition to exhibiting pro-angiogenic effects, prolyl hydroxylase inhibitors can modulate the plasminogen activator system in cells from non-oral tissues. This study assesses the effect of prolyl hydroxylase inhibitors on plasminogen activation by fibroblasts from the periodontium. METHODS Gingival and periodontal ligament fibroblasts were incubated with L-MIM and DMOG. To investigate whether prolyl hydroxylase inhibitors modulate the net plasminogen activation, kinetic assays were performed with and without interleukin (IL)-1. Moreover, plasminogen activators and the respective inhibitors were analyzed by casein zymography, immune assays, and quantitative polymerase chain reaction. RESULTS The kinetic assay showed that L-MIM and DMOG reduced plasminogen activation under basal and IL-1-stimulated conditions. Casein zymography revealed that the effect of L-MIM involves a decrease in urokinase-type plasminogen activator activity. In agreement with these findings, reduced levels of urokinase-type plasminogen activator and elevated levels of plasminogen activator inhibitor 1 were observed. CONCLUSION L-MIM and DMOG can reduce plasminogen activation by fibroblasts from the gingiva and the periodontal ligament under basal conditions and in the presence of an inflammatory cytokine.
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Affiliation(s)
- Christian Wehner
- Department of Oral Surgery, Medical University of Vienna, Vienna, Austria
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The clinical, quality of life, and economic consequences of chronic anemia and transfusion support in patients with myelodysplastic syndromes. Leuk Res 2012; 36:525-36. [DOI: 10.1016/j.leukres.2012.01.006] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2011] [Revised: 12/28/2011] [Accepted: 01/09/2012] [Indexed: 12/17/2022]
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Bae SJ, Kang C, Sung KW, Chueh HW, Son MH, Lee SH, Yoo KH, Koo HH. Iron overload during follow-up after tandem high-dose chemotherapy and autologous stem cell transplantation in patients with high-risk neuroblastoma. J Korean Med Sci 2012; 27:363-9. [PMID: 22468098 PMCID: PMC3314847 DOI: 10.3346/jkms.2012.27.4.363] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2011] [Accepted: 01/17/2012] [Indexed: 01/28/2023] Open
Abstract
Multiple RBC transfusions inevitably lead to a state of iron overload before and after high-dose chemotherapy and autologous stem cell transplantation (HDCT/autoSCT). Nonetheless, iron status during post-SCT follow-up remains unknown. Therefore, we investigated post-SCT ferritin levels, factors contributing to its sustained levels, and organ functions affected by iron overload in 49 children with high-risk neuroblastoma who underwent tandem HDCT/autoSCT. Although serum ferritin levels gradually decreased during post-SCT follow-up, 47.7% of the patients maintained ferritin levels above 1,000 ng/mL at 1 yr after the second HDCT/autoSCT. These patients had higher serum creatinine (0.62 vs 0.47 mg/mL, P = 0.007) than their counterparts (< 1,000 ng/mL). Post-SCT transfusion amount corresponded to increased ferritin levels at 1 yr after the second HDCT/autoSCT (P < 0.001). A lower CD34(+) cell count was associated with a greater need of RBC transfusion, which in turn led to a higher serum ferritin level at 1 yr after HDCT/autoSCT. The number of CD34(+) cells transplanted was an independent factor for ferritin levels at 1 yr after the second HDCT/autoSCT (P = 0.019). Consequently, CD34(+) cells should be transplanted as many as possible to prevent the sustained iron overload after tandem HDCT/autoSCT and consequent adverse effects.
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Affiliation(s)
- Soo Jin Bae
- Faculty of Human Medicine, Hannover Medical School, Hannover, Germany
| | - Christine Kang
- Faculty of Medicine, University of British Columbia, Vancouver, Canada
| | - Ki Woong Sung
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Hee Won Chueh
- Department of Pediatrics, Dong-A Medical Center, Dong-A University College of Medicine, Busan, Korea
| | - Meong Hi Son
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Soo Hyun Lee
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Keon Hee Yoo
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Hong Hoe Koo
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
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Gattermann N, Jarisch A, Schlag R, Blumenstengel K, Goebeler M, Groschek M, Losem C, Procaccianti M, Junkes A, Leismann O, Germing U. Deferasirox treatment of iron-overloaded chelation-naïve and prechelated patients with myelodysplastic syndromes in medical practice: results from the observational studies eXtend and eXjange. Eur J Haematol 2012; 88:260-8. [PMID: 22023452 PMCID: PMC3505370 DOI: 10.1111/j.1600-0609.2011.01726.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/15/2011] [Indexed: 01/19/2023]
Abstract
EXtend and eXjange were prospective, 1-yr, non-interventional, observational, multicentre studies that investigated deferasirox, a once-daily oral iron chelator, in iron-overloaded chelation-naïve and prechelated patients with myelodysplastic syndromes (MDS), respectively, treated in the daily-routine setting of office-based physicians. No inclusion or exclusion criteria or additional monitoring procedures were applied. Deferasirox was administered as recommended in the European Summary of Product Characteristics. Haematological parameters and adverse events (AEs) were collected at two-monthly intervals. Data from 123 chelation-naïve patients with MDS (mean age 70.4 yrs) with median baseline serum ferritin level of 2679 (range 184-16,500) ng/mL, and 44 prechelated patients with MDS (mean age 69.6 yrs) with median baseline serum ferritin level of 2442 (range 521-8565) ng/mL, were assessed. The mean prescribed daily dose of deferasirox at the first visit was 15.7 and 18.7 mg/kg/d, respectively. Treatment with deferasirox produced a significant reduction in median serum ferritin levels in chelation-naïve patients with MDS from 2679 to 2000 ng/mL (P = 0.0002) and a pronounced decrease in prechelated patients with MDS from 2442 to 2077 ng/mL (P = 0.06). The most common drug-related AEs were gastrointestinal, increased serum creatinine levels and rash. These studies demonstrate that deferasirox used in physicians' medical practices is effective in managing iron burden in transfusion-dependent patients with MDS.
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Affiliation(s)
- Norbert Gattermann
- Department of Hematology, Oncology and Clinical Immunology, Heinrich-Heine-University, Düsseldorf, Germany.
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