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Wang L, Li Q, Wang XM, Hao GY, Jie-Bao, Hu S, Hu CH. Enhanced radiation damage caused by iodinated contrast agents during CT examination. Eur J Radiol 2017. [PMID: 28624023 DOI: 10.1016/j.ejrad.2017.04.005] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVE To access the effect of iodinate contrast agent (ICA) on DNA double-stand breaks (DSBs) in human peripheral blood lymphocytes during computed tomography (CT) examinations. MATERIALS AND METHODS This present study was approved by the institutional ethics committee; written informed patient consent was obtained from 70 patients. A total of 48 patients underwent computed tomography urography (CTU), in which only one time CT scanning was examined after injecting ICA, and 22 patients received unenhanced whole abdominal CT, among them 10 patients were selected to get ICA injection immediately after irradiation. Blood samples were taken from all patients prior to and immediately after CT scan, as well as 8min after the injection of ICA. The lymphocytes in these blood samples were separated by using density-gradient centrifugation, fixed and immunostained with γH2AX antibody. The average number of phosphorylated histone H2AX (γH2AX) foci per lymphocyte was counted under a fluorescence microscopy. Differences in the number of γH2AX-foci were statistically analyzed using independent sample t test and one way ANOVA. RESULT The three patient groups had no significant differences in the baseline foci numbers(P>0.05). The γH2AX-focus levels increased in both groups after CT scan. Patients who underwent CTU examinations had a greater DSBs level (mean±standard error of mean, 0.945±0.184 foci per cell) than those who received unenhanced whole abdominal CT scan (mean±standard error of mean, 0.700±0.112 foci per cell), increasing by about 37.9%; The ICA injected before CT scan itself had an effect on the DSBs, which increased DSBs level by approximately 90.3% (0.059±0.018vs 0.031±0.025, P<0.05), but no significant difference was found if added after irradiation, increasing DSBs level only by 3.2% approximately (0.711±0.091vs 0.689±0.108, P=0.499). CONCLUSION The iodinated contrast agent itself can lead to an increase in the level of DSBs as assessed with γH2AX foci formation, and the application of ICA can amplify DNA damage induced by diagnostic x-ray procedures such as whole abdominal CT.
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Affiliation(s)
- Ling Wang
- Department of Radiology, The First Affiliated Hospital of Soochow University, No. 188, Street of Ten Catalpa, Suzhou, 200000, China
| | - Qiang Li
- Department of Radiology, The First Affiliated Hospital of Soochow University, No. 188, Street of Ten Catalpa, Suzhou, 200000, China; Department of Radiology, Yinzhou Hospital, Ningbo University, No. 251, East of Baizhang Road, Ningbo, 315100, China
| | - Xi-Ming Wang
- Department of Radiology, The First Affiliated Hospital of Soochow University, No. 188, Street of Ten Catalpa, Suzhou, 200000, China
| | - Guang-Yu Hao
- Department of Radiology, The First Affiliated Hospital of Soochow University, No. 188, Street of Ten Catalpa, Suzhou, 200000, China
| | - Jie-Bao
- Department of Radiology, The First Affiliated Hospital of Soochow University, No. 188, Street of Ten Catalpa, Suzhou, 200000, China
| | - Su Hu
- Department of Radiology, The First Affiliated Hospital of Soochow University, No. 188, Street of Ten Catalpa, Suzhou, 200000, China
| | - Chun-Hong Hu
- Department of Radiology, The First Affiliated Hospital of Soochow University, No. 188, Street of Ten Catalpa, Suzhou, 200000, China.
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Dimopoulos MA, Terpos E, Chanan-Khan A, Leung N, Ludwig H, Jagannath S, Niesvizky R, Giralt S, Fermand JP, Bladé J, Comenzo RL, Sezer O, Palumbo A, Harousseau JL, Richardson PG, Barlogie B, Anderson KC, Sonneveld P, Tosi P, Cavo M, Rajkumar SV, Durie BG, San Miguel J. Renal Impairment in Patients With Multiple Myeloma: A Consensus Statement on Behalf of the International Myeloma Working Group. J Clin Oncol 2010; 28:4976-84. [DOI: 10.1200/jco.2010.30.8791] [Citation(s) in RCA: 302] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Renal impairment is a common complication of multiple myeloma (MM). The estimated glomerular filtration rate (eGFR) using the Modification of Diet in Renal Disease formula is the recommended method for the assessment of renal function in patients with MM with stabilized serum creatinine. In acute renal injury, the RIFLE (risk, injury, failure, loss and end-stage kidney disease) and Acute Renal Injury Network criteria seem to be appropriate to define the severity of renal impairment. Novel criteria based on eGFR measurements are recommended for the definition of the reversibility of renal impairment. Rapid intervention to reverse renal dysfunction is critical for the management of these patients, especially for those with light chain cast nephropathy. Bortezomib with high-dose dexamethasone is considered as the treatment of choice for such patients. There is limited experience with thalidomide in patients with myeloma with renal impairment. Thus, thalidomide can be carefully administered, mainly in the context of well-designed clinical trials, to evaluate if it can improve the rapidity and probability of response that is produced by the combination with bortezomib and high-dose dexamethasone. Lenalidomide is effective in this setting and can reverse renal insufficiency in a significant subset of patients, when it is given at reduced doses, according to renal function. The role of plasma exchange in patients with suspected light chain cast nephropathy and renal impairment is controversial. High-dose melphalan (140 mg/m2) and autologous stem-cell transplantation should be limited to younger patients with chemosensitive disease.
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Affiliation(s)
- Meletios A. Dimopoulos
- From the University of Athens School of Medicine, Athens, Greece; Roswell Park Cancer Institute, Buffalo; St Vincents Catholic Medical Center; Weill Medical College of Cornell University; Adult Bone Marrow Transplantation Service, Memorial Sloan-Kettering Cancer Center, New York, NY; Mayo Clinic, Rochester, MN; Wilhelminenspital, Vienna, Austria; Service d'Immuno-Hématologie, Hopital Saint-Louis, Paris, France; Hospital Clinic, Barcelona; the University Hospital of Salamanca, Salamanca, Spain; Tufts
| | - Evangelos Terpos
- From the University of Athens School of Medicine, Athens, Greece; Roswell Park Cancer Institute, Buffalo; St Vincents Catholic Medical Center; Weill Medical College of Cornell University; Adult Bone Marrow Transplantation Service, Memorial Sloan-Kettering Cancer Center, New York, NY; Mayo Clinic, Rochester, MN; Wilhelminenspital, Vienna, Austria; Service d'Immuno-Hématologie, Hopital Saint-Louis, Paris, France; Hospital Clinic, Barcelona; the University Hospital of Salamanca, Salamanca, Spain; Tufts
| | - Asher Chanan-Khan
- From the University of Athens School of Medicine, Athens, Greece; Roswell Park Cancer Institute, Buffalo; St Vincents Catholic Medical Center; Weill Medical College of Cornell University; Adult Bone Marrow Transplantation Service, Memorial Sloan-Kettering Cancer Center, New York, NY; Mayo Clinic, Rochester, MN; Wilhelminenspital, Vienna, Austria; Service d'Immuno-Hématologie, Hopital Saint-Louis, Paris, France; Hospital Clinic, Barcelona; the University Hospital of Salamanca, Salamanca, Spain; Tufts
| | - Nelson Leung
- From the University of Athens School of Medicine, Athens, Greece; Roswell Park Cancer Institute, Buffalo; St Vincents Catholic Medical Center; Weill Medical College of Cornell University; Adult Bone Marrow Transplantation Service, Memorial Sloan-Kettering Cancer Center, New York, NY; Mayo Clinic, Rochester, MN; Wilhelminenspital, Vienna, Austria; Service d'Immuno-Hématologie, Hopital Saint-Louis, Paris, France; Hospital Clinic, Barcelona; the University Hospital of Salamanca, Salamanca, Spain; Tufts
| | - Heinz Ludwig
- From the University of Athens School of Medicine, Athens, Greece; Roswell Park Cancer Institute, Buffalo; St Vincents Catholic Medical Center; Weill Medical College of Cornell University; Adult Bone Marrow Transplantation Service, Memorial Sloan-Kettering Cancer Center, New York, NY; Mayo Clinic, Rochester, MN; Wilhelminenspital, Vienna, Austria; Service d'Immuno-Hématologie, Hopital Saint-Louis, Paris, France; Hospital Clinic, Barcelona; the University Hospital of Salamanca, Salamanca, Spain; Tufts
| | - Sundar Jagannath
- From the University of Athens School of Medicine, Athens, Greece; Roswell Park Cancer Institute, Buffalo; St Vincents Catholic Medical Center; Weill Medical College of Cornell University; Adult Bone Marrow Transplantation Service, Memorial Sloan-Kettering Cancer Center, New York, NY; Mayo Clinic, Rochester, MN; Wilhelminenspital, Vienna, Austria; Service d'Immuno-Hématologie, Hopital Saint-Louis, Paris, France; Hospital Clinic, Barcelona; the University Hospital of Salamanca, Salamanca, Spain; Tufts
| | - Ruben Niesvizky
- From the University of Athens School of Medicine, Athens, Greece; Roswell Park Cancer Institute, Buffalo; St Vincents Catholic Medical Center; Weill Medical College of Cornell University; Adult Bone Marrow Transplantation Service, Memorial Sloan-Kettering Cancer Center, New York, NY; Mayo Clinic, Rochester, MN; Wilhelminenspital, Vienna, Austria; Service d'Immuno-Hématologie, Hopital Saint-Louis, Paris, France; Hospital Clinic, Barcelona; the University Hospital of Salamanca, Salamanca, Spain; Tufts
| | - Sergio Giralt
- From the University of Athens School of Medicine, Athens, Greece; Roswell Park Cancer Institute, Buffalo; St Vincents Catholic Medical Center; Weill Medical College of Cornell University; Adult Bone Marrow Transplantation Service, Memorial Sloan-Kettering Cancer Center, New York, NY; Mayo Clinic, Rochester, MN; Wilhelminenspital, Vienna, Austria; Service d'Immuno-Hématologie, Hopital Saint-Louis, Paris, France; Hospital Clinic, Barcelona; the University Hospital of Salamanca, Salamanca, Spain; Tufts
| | - Jean-Paul Fermand
- From the University of Athens School of Medicine, Athens, Greece; Roswell Park Cancer Institute, Buffalo; St Vincents Catholic Medical Center; Weill Medical College of Cornell University; Adult Bone Marrow Transplantation Service, Memorial Sloan-Kettering Cancer Center, New York, NY; Mayo Clinic, Rochester, MN; Wilhelminenspital, Vienna, Austria; Service d'Immuno-Hématologie, Hopital Saint-Louis, Paris, France; Hospital Clinic, Barcelona; the University Hospital of Salamanca, Salamanca, Spain; Tufts
| | - Joan Bladé
- From the University of Athens School of Medicine, Athens, Greece; Roswell Park Cancer Institute, Buffalo; St Vincents Catholic Medical Center; Weill Medical College of Cornell University; Adult Bone Marrow Transplantation Service, Memorial Sloan-Kettering Cancer Center, New York, NY; Mayo Clinic, Rochester, MN; Wilhelminenspital, Vienna, Austria; Service d'Immuno-Hématologie, Hopital Saint-Louis, Paris, France; Hospital Clinic, Barcelona; the University Hospital of Salamanca, Salamanca, Spain; Tufts
| | - Raymond L. Comenzo
- From the University of Athens School of Medicine, Athens, Greece; Roswell Park Cancer Institute, Buffalo; St Vincents Catholic Medical Center; Weill Medical College of Cornell University; Adult Bone Marrow Transplantation Service, Memorial Sloan-Kettering Cancer Center, New York, NY; Mayo Clinic, Rochester, MN; Wilhelminenspital, Vienna, Austria; Service d'Immuno-Hématologie, Hopital Saint-Louis, Paris, France; Hospital Clinic, Barcelona; the University Hospital of Salamanca, Salamanca, Spain; Tufts
| | - Orhan Sezer
- From the University of Athens School of Medicine, Athens, Greece; Roswell Park Cancer Institute, Buffalo; St Vincents Catholic Medical Center; Weill Medical College of Cornell University; Adult Bone Marrow Transplantation Service, Memorial Sloan-Kettering Cancer Center, New York, NY; Mayo Clinic, Rochester, MN; Wilhelminenspital, Vienna, Austria; Service d'Immuno-Hématologie, Hopital Saint-Louis, Paris, France; Hospital Clinic, Barcelona; the University Hospital of Salamanca, Salamanca, Spain; Tufts
| | - Antonio Palumbo
- From the University of Athens School of Medicine, Athens, Greece; Roswell Park Cancer Institute, Buffalo; St Vincents Catholic Medical Center; Weill Medical College of Cornell University; Adult Bone Marrow Transplantation Service, Memorial Sloan-Kettering Cancer Center, New York, NY; Mayo Clinic, Rochester, MN; Wilhelminenspital, Vienna, Austria; Service d'Immuno-Hématologie, Hopital Saint-Louis, Paris, France; Hospital Clinic, Barcelona; the University Hospital of Salamanca, Salamanca, Spain; Tufts
| | - Jean-Luc Harousseau
- From the University of Athens School of Medicine, Athens, Greece; Roswell Park Cancer Institute, Buffalo; St Vincents Catholic Medical Center; Weill Medical College of Cornell University; Adult Bone Marrow Transplantation Service, Memorial Sloan-Kettering Cancer Center, New York, NY; Mayo Clinic, Rochester, MN; Wilhelminenspital, Vienna, Austria; Service d'Immuno-Hématologie, Hopital Saint-Louis, Paris, France; Hospital Clinic, Barcelona; the University Hospital of Salamanca, Salamanca, Spain; Tufts
| | - Paul G. Richardson
- From the University of Athens School of Medicine, Athens, Greece; Roswell Park Cancer Institute, Buffalo; St Vincents Catholic Medical Center; Weill Medical College of Cornell University; Adult Bone Marrow Transplantation Service, Memorial Sloan-Kettering Cancer Center, New York, NY; Mayo Clinic, Rochester, MN; Wilhelminenspital, Vienna, Austria; Service d'Immuno-Hématologie, Hopital Saint-Louis, Paris, France; Hospital Clinic, Barcelona; the University Hospital of Salamanca, Salamanca, Spain; Tufts
| | - Bart Barlogie
- From the University of Athens School of Medicine, Athens, Greece; Roswell Park Cancer Institute, Buffalo; St Vincents Catholic Medical Center; Weill Medical College of Cornell University; Adult Bone Marrow Transplantation Service, Memorial Sloan-Kettering Cancer Center, New York, NY; Mayo Clinic, Rochester, MN; Wilhelminenspital, Vienna, Austria; Service d'Immuno-Hématologie, Hopital Saint-Louis, Paris, France; Hospital Clinic, Barcelona; the University Hospital of Salamanca, Salamanca, Spain; Tufts
| | - Kenneth C. Anderson
- From the University of Athens School of Medicine, Athens, Greece; Roswell Park Cancer Institute, Buffalo; St Vincents Catholic Medical Center; Weill Medical College of Cornell University; Adult Bone Marrow Transplantation Service, Memorial Sloan-Kettering Cancer Center, New York, NY; Mayo Clinic, Rochester, MN; Wilhelminenspital, Vienna, Austria; Service d'Immuno-Hématologie, Hopital Saint-Louis, Paris, France; Hospital Clinic, Barcelona; the University Hospital of Salamanca, Salamanca, Spain; Tufts
| | - Pieter Sonneveld
- From the University of Athens School of Medicine, Athens, Greece; Roswell Park Cancer Institute, Buffalo; St Vincents Catholic Medical Center; Weill Medical College of Cornell University; Adult Bone Marrow Transplantation Service, Memorial Sloan-Kettering Cancer Center, New York, NY; Mayo Clinic, Rochester, MN; Wilhelminenspital, Vienna, Austria; Service d'Immuno-Hématologie, Hopital Saint-Louis, Paris, France; Hospital Clinic, Barcelona; the University Hospital of Salamanca, Salamanca, Spain; Tufts
| | - Patrizia Tosi
- From the University of Athens School of Medicine, Athens, Greece; Roswell Park Cancer Institute, Buffalo; St Vincents Catholic Medical Center; Weill Medical College of Cornell University; Adult Bone Marrow Transplantation Service, Memorial Sloan-Kettering Cancer Center, New York, NY; Mayo Clinic, Rochester, MN; Wilhelminenspital, Vienna, Austria; Service d'Immuno-Hématologie, Hopital Saint-Louis, Paris, France; Hospital Clinic, Barcelona; the University Hospital of Salamanca, Salamanca, Spain; Tufts
| | - Michele Cavo
- From the University of Athens School of Medicine, Athens, Greece; Roswell Park Cancer Institute, Buffalo; St Vincents Catholic Medical Center; Weill Medical College of Cornell University; Adult Bone Marrow Transplantation Service, Memorial Sloan-Kettering Cancer Center, New York, NY; Mayo Clinic, Rochester, MN; Wilhelminenspital, Vienna, Austria; Service d'Immuno-Hématologie, Hopital Saint-Louis, Paris, France; Hospital Clinic, Barcelona; the University Hospital of Salamanca, Salamanca, Spain; Tufts
| | - S. Vincent Rajkumar
- From the University of Athens School of Medicine, Athens, Greece; Roswell Park Cancer Institute, Buffalo; St Vincents Catholic Medical Center; Weill Medical College of Cornell University; Adult Bone Marrow Transplantation Service, Memorial Sloan-Kettering Cancer Center, New York, NY; Mayo Clinic, Rochester, MN; Wilhelminenspital, Vienna, Austria; Service d'Immuno-Hématologie, Hopital Saint-Louis, Paris, France; Hospital Clinic, Barcelona; the University Hospital of Salamanca, Salamanca, Spain; Tufts
| | - Brian G.M. Durie
- From the University of Athens School of Medicine, Athens, Greece; Roswell Park Cancer Institute, Buffalo; St Vincents Catholic Medical Center; Weill Medical College of Cornell University; Adult Bone Marrow Transplantation Service, Memorial Sloan-Kettering Cancer Center, New York, NY; Mayo Clinic, Rochester, MN; Wilhelminenspital, Vienna, Austria; Service d'Immuno-Hématologie, Hopital Saint-Louis, Paris, France; Hospital Clinic, Barcelona; the University Hospital of Salamanca, Salamanca, Spain; Tufts
| | - Jésus San Miguel
- From the University of Athens School of Medicine, Athens, Greece; Roswell Park Cancer Institute, Buffalo; St Vincents Catholic Medical Center; Weill Medical College of Cornell University; Adult Bone Marrow Transplantation Service, Memorial Sloan-Kettering Cancer Center, New York, NY; Mayo Clinic, Rochester, MN; Wilhelminenspital, Vienna, Austria; Service d'Immuno-Hématologie, Hopital Saint-Louis, Paris, France; Hospital Clinic, Barcelona; the University Hospital of Salamanca, Salamanca, Spain; Tufts
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