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Ito K, Ohgi K, Kimura K, Ishitaki K, Yamashita A, Yokote H, Tsukuda S, Matsushita K, Naraoka Y, Fujioka A, Ono T. Kidney R2* Mapping for Noninvasive Evaluation of Iron Overload in Paroxysmal Nocturnal Hemoglobinuria. Magn Reson Med Sci 2024:mp.2023-0114. [PMID: 38369335 DOI: 10.2463/mrms.mp.2023-0114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2024] Open
Abstract
PURPOSE The kidney iron deposition can cause kidney damage and renal insufficiency in paroxysmal nocturnal hemoglobinuria (PNH) patients. Assessment of iron deposition in the kidney is essential for the early diagnosis of renal damage in PNH patients. The purpose of this study was to evaluate kidney R2* (T2* reciprocals) values in PNH patients using the iterative decomposition of water and fat with echo asymmetry and least-squares estimation (IDEAL-IQ). METHODS Two radiologists measured the R2* values of the renal cortex in 14 PNH patients and 13 healthy volunteers using IDEAL-IQ. Lactate dehydrogenase (LDH), a reliable marker of intravascular hemolysis, was also measured in all participants. RESULTS The kidney R2* values were significantly higher in PNH patients compared with those in healthy volunteers (P < 0.001). High inter-operator reproducibility of the measurements was also acquired using IDEAL-IQ. LDH levels were also significantly higher in PNH patients compared with those in healthy volunteers (P < 0.001). Kidney R2* values strongly correlated with LDH levels in PNH patients. CONCLUSION IDEAL-IQ has a possibility of becoming a useful method for the noninvasive evaluation of renal iron overload in PNH patients.
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Affiliation(s)
- Koichi Ito
- Department of Radiology, Japanese Red Cross Medical Center, Tokyo, Japan
| | - Kazuyuki Ohgi
- Department of Radiology, Japanese Red Cross Medical Center, Tokyo, Japan
| | - Koichiro Kimura
- Department of Radiology, Japanese Red Cross Medical Center, Tokyo, Japan
- Department of Diagnostic Radiology, Graduate School of Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Koichi Ishitaki
- Department of Radiology, Japanese Red Cross Medical Center, Tokyo, Japan
- Department of Diagnostic Radiology, Shin-Yurigaoka General Hospital, Kanagawa, Kawasaki, Japan
| | - Akiyoshi Yamashita
- Department of Radiology, Japanese Red Cross Medical Center, Tokyo, Japan
| | - Hiroyuki Yokote
- Department of Radiology, Japanese Red Cross Medical Center, Tokyo, Japan
| | - Shunji Tsukuda
- Department of Radiology, Japanese Red Cross Medical Center, Tokyo, Japan
| | - Ko Matsushita
- Department of Radiology, Japanese Red Cross Medical Center, Tokyo, Japan
| | - Yuko Naraoka
- Department of Radiology, Japanese Red Cross Medical Center, Tokyo, Japan
| | - Amon Fujioka
- Department of Radiology, Japanese Red Cross Medical Center, Tokyo, Japan
| | - Tatsuki Ono
- Department of Radiology, Japanese Red Cross Medical Center, Tokyo, Japan
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Meloni A, Barbuto L, Pistoia L, Positano V, Renne S, Peritore G, Fina P, Spasiano A, Allò M, Messina G, Casini T, Massa A, Romano L, Pepe A, Cademartiri F. Frequency, pattern, and associations of renal iron accumulation in sickle/β-thalassemia patients. Ann Hematol 2022; 101:1941-1950. [PMID: 35821343 DOI: 10.1007/s00277-022-04915-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 07/04/2022] [Indexed: 11/29/2022]
Abstract
We evaluated frequency, pattern, and associations of renal iron accumulation in sickle/β-thalassemia. Thirty-three sickle/β-thalassemia patients (36.5 ± 14.7 years; 13 females), 14 homozygous sickle cell disease (SCD) patients, and 71 thalassemia major (TM) patients, enrolled in the E-MIOT Network, underwent magnetic resonance imaging. Iron overload (IO) was quantified by the T2* technique. Sickle/β-thalassemia patients had a significantly lower frequency of renal IO (T2* < 31 ms) than homozygous SCD patients (9.1% vs. 57.1%; P = 0.001), besides having similar hepatic, cardiac and pancreatic IO. Kidney T2* values were comparable between regularly transfused sickle/β-thalassemia and TM patients but were significantly lower in regularly transfused homozygous SCD patients than in the other two groups. In sickle/β-thalassemia patients, global renal T2* values were not associated with age, gender, splenectomy, and presence of regular transfusions or chelation. No correlation was detected between renal T2* values and serum ferritin levels or iron load in the other organs. Global renal T2* values were not associated with serum creatinine levels but showed a significant inverse correlation with serum lactate dehydrogenase (R = - 0.709; P < 0.0001) and indirect bilirubin (R = - 0.462; P = 0.012). Renal IO is not common in sickle/β-thalassemia patients, with a prevalence significantly lower compared to that of homozygous SCD patients, but with a similar underlying mechanism due to the chronic hemolysis.
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Affiliation(s)
- Antonella Meloni
- Department of Radiology, Fondazione G. Monasterio CNR-Regione Toscana, Via Moruzzi, 1 - 56124, Pisa, Italy.,U.O.C. Bioingegneria, Fondazione G. Monasterio CNR-Regione Toscana, Pisa, Italy
| | - Luigi Barbuto
- U.O.C. Radiologia Generale E Di Pronto Soccorso, Azienda Ospedaliera Di Rilievo Nazionale "A. Cardarelli", Naples, Italy
| | - Laura Pistoia
- Department of Radiology, Fondazione G. Monasterio CNR-Regione Toscana, Via Moruzzi, 1 - 56124, Pisa, Italy
| | - Vincenzo Positano
- Department of Radiology, Fondazione G. Monasterio CNR-Regione Toscana, Via Moruzzi, 1 - 56124, Pisa, Italy.,U.O.C. Bioingegneria, Fondazione G. Monasterio CNR-Regione Toscana, Pisa, Italy
| | - Stefania Renne
- Struttura Complessa Di Cardioradiologia-UTIC, Presidio Ospedaliero "Giovanni Paolo II", Lamezia Terme, Italy
| | - Giuseppe Peritore
- Unità Operativa Complessa Di Radiologia, "ARNAS" Civico, Di Cristina Benfratelli, Palermo, Italy
| | - Priscilla Fina
- Unità Operativa Complessa Diagnostica Per Immagini, Ospedale "Sandro Pertini", Rome, Italy
| | - Anna Spasiano
- U.O.S.D. Malattie Rare del Globulo Rosso, Azienda Ospedaliera Di Rilievo Nazionale "A. Cardarelli", Naples, Italy
| | - Massimo Allò
- Ematologia Microcitemia, Ospedale San Giovanni di Dio - ASP Crotone, Crotone, Italy
| | - Giuseppe Messina
- Centro Microcitemie, Grande Ospedale Metropolitano "Bianchi-Melacrino-Morelli", Reggio Calabria, Italy
| | - Tommaso Casini
- Centro Talassemie Ed Emoglobinopatie, Ospedale "Meyer", Florence, Italy
| | - Antonella Massa
- Servizio Trasfusionale, Ospedale "Giovanni Paolo II", Olbia, Italy
| | - Luigia Romano
- U.O.C. Radiologia Generale E Di Pronto Soccorso, Azienda Ospedaliera Di Rilievo Nazionale "A. Cardarelli", Naples, Italy
| | - Alessia Pepe
- Institute of Radiology, Department of Medicine, University of Padua, Padua, Italy
| | - Filippo Cademartiri
- Department of Radiology, Fondazione G. Monasterio CNR-Regione Toscana, Via Moruzzi, 1 - 56124, Pisa, Italy.
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Kiss S, Gede N, Hegyi P, Németh D, Földi M, Dembrovszky F, Nagy B, Juhász MF, Ocskay K, Zádori N, Molnár Z, Párniczky A, Hegyi PJ, Szakács Z, Pár G, Erőss B, Alizadeh H. Early changes in laboratory parameters are predictors of mortality and ICU admission in patients with COVID-19: a systematic review and meta-analysis. Med Microbiol Immunol 2021; 210:33-47. [PMID: 33219397 PMCID: PMC7679241 DOI: 10.1007/s00430-020-00696-w] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 10/31/2020] [Indexed: 01/08/2023]
Abstract
Despite the growing knowledge of the clinicopathological features of COVID-19, the correlation between early changes in the laboratory parameters and the clinical outcomes of patients is not entirely understood. In this study, we aimed to assess the prognostic value of early laboratory parameters in COVID-19. We conducted a systematic review and meta-analysis based on the available literature in five databases. The last search was on July 26, 2020, with key terms related to COVID-19. Eligible studies contained original data of at least ten infected patients and reported on baseline laboratory parameters of patients. We calculated weighted mean differences (WMDs) for continuous outcomes and odds ratios (ORs) with 95% confidence intervals. 93 and 78 studies were included in quantitative and qualitative syntheses, respectively. Higher baseline total white blood cell count (WBC), C-reactive protein (CRP), lactate-dehydrogenase (LDH), creatine kinase (CK), D-dimer and lower absolute lymphocyte count (ALC) (WMDALC = - 0.35 × 109/L [CI - 0.43, - 0.27], p < 0.001, I2 = 94.2%; < 0.8 × 109/L, ORALC = 3.74 [CI 1.77, 7.92], p = 0.001, I2 = 65.5%) were all associated with higher mortality rate. On admission WBC, ALC, D-dimer, CRP, LDH, and CK changes could serve as alarming prognostic factors. The correct interpretation of laboratory abnormalities can guide therapeutic decisions, especially in early identification of potentially critical cases. This meta-analysis should help to allocate resources and save lives by enabling timely intervention.
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Affiliation(s)
- Szabolcs Kiss
- Institute for Translational Medicine, University of Pécs Medical School, Pécs, Hungary
- First Department of Medicine, University of Szeged, Szeged, Hungary
- Doctoral School of Clinical Medicine, University of Szeged, Szeged, Hungary
| | - Noémi Gede
- Institute for Translational Medicine, University of Pécs Medical School, Pécs, Hungary
| | - Péter Hegyi
- Institute for Translational Medicine, University of Pécs Medical School, Pécs, Hungary
- János Szentágothai Research Centre, University of Pécs, Pécs, Hungary
| | - Dávid Németh
- Institute for Translational Medicine, University of Pécs Medical School, Pécs, Hungary
| | - Mária Földi
- Institute for Translational Medicine, University of Pécs Medical School, Pécs, Hungary
- First Department of Medicine, University of Szeged, Szeged, Hungary
- Doctoral School of Clinical Medicine, University of Szeged, Szeged, Hungary
| | - Fanni Dembrovszky
- Institute for Translational Medicine, University of Pécs Medical School, Pécs, Hungary
- János Szentágothai Research Centre, University of Pécs, Pécs, Hungary
| | - Bettina Nagy
- Institute for Translational Medicine, University of Pécs Medical School, Pécs, Hungary
| | - Márk Félix Juhász
- Institute for Translational Medicine, University of Pécs Medical School, Pécs, Hungary
| | - Klementina Ocskay
- Institute for Translational Medicine, University of Pécs Medical School, Pécs, Hungary
| | - Noémi Zádori
- Institute for Translational Medicine, University of Pécs Medical School, Pécs, Hungary
- János Szentágothai Research Centre, University of Pécs, Pécs, Hungary
| | - Zsolt Molnár
- Institute for Translational Medicine, University of Pécs Medical School, Pécs, Hungary
- Department of Anaesthesiology and Intensive Therapy, Poznan University for Medical Sciences, Poznan, Poland
| | - Andrea Párniczky
- Institute for Translational Medicine, University of Pécs Medical School, Pécs, Hungary
- Heim Pál National Institute of Pediatrics, Budapest, Hungary
| | - Péter Jenő Hegyi
- Institute for Translational Medicine, University of Pécs Medical School, Pécs, Hungary
- János Szentágothai Research Centre, University of Pécs, Pécs, Hungary
| | - Zsolt Szakács
- Institute for Translational Medicine, University of Pécs Medical School, Pécs, Hungary
- János Szentágothai Research Centre, University of Pécs, Pécs, Hungary
| | - Gabriella Pár
- Division of Gastroenterology, First Department of Internal Medicine, University of Pécs Medical School, Pécs, Hungary
| | - Bálint Erőss
- Institute for Translational Medicine, University of Pécs Medical School, Pécs, Hungary
- János Szentágothai Research Centre, University of Pécs, Pécs, Hungary
| | - Hussain Alizadeh
- Institute for Translational Medicine, University of Pécs Medical School, Pécs, Hungary.
- First Department of Medicine, University of Szeged, Szeged, Hungary.
- Division of Hematology, First Department of Internal Medicine, University of Pécs Medical School, Pécs, Hungary.
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