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Simpson S, Breshears E, Basavalingu D, Khatri G, Chan S, Fite J, Swanson P, Dighe M. Review of imaging findings in hepatic veno-occlusive disease. Eur J Radiol 2024; 177:111526. [PMID: 38850721 DOI: 10.1016/j.ejrad.2024.111526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 04/22/2024] [Accepted: 05/23/2024] [Indexed: 06/10/2024]
Abstract
Hepatic veno-occlusive disease (VOD), also known as sinusoidal obstruction syndrome (SOS), is a potentially life-threatening complication of hematopoietic stem cell transplantation. Patients present with right upper-quadrant abdominal pain, jaundice, weight gain, and conjugated hyperbilirubinemia. Early diagnosis of VOD is essential to promptly initiate defibrotide therapy, which has been demonstrated to enhance survival and achieve complete resolution of disease in some patients. Historically, VOD was diagnosed by the modified Seattle or Baltimore criteria, which are both based on clinical symptoms. Alongside advancements in medical imaging over the last 40 years, the diagnosis of VOD has evolved to include the use of ultrasound, elastography, cross-sectional imaging, and image guided biopsy. Identification and interpretation of findings of VOD across imaging modalities is now a critical aspect of post-HSCT care. This review will outline the imaging findings and recommendations for the use of imaging in the management of VOD including gray-scale, color and spectral Doppler ultrasound, ultrasound elastography, CT, MRI, and liver biopsy.
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Affiliation(s)
- Samuel Simpson
- University of Washington School of Medicine, Seattle, WA, USA
| | - Elliot Breshears
- Department of Radiology, University of Washington, Seattle, WA, USA
| | | | - Garvit Khatri
- Department of Radiology, University of Washington, Seattle, WA, USA
| | - Sherwin Chan
- Department of Radiology, Children's Mercy Hospital, Kansas City, MO, USA
| | - John Fite
- Department of Radiology, Children's Mercy Hospital, Kansas City, MO, USA
| | - Paul Swanson
- Department of Pathology, University of Washington, Seattle, WA, USA
| | - Manjiri Dighe
- Department of Radiology, University of Washington, Seattle, WA, USA.
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Corbacioglu S, Grupp SA, Richardson PG, Duarte R, Pagliuca A, Ruutu T, Mahadeo K, Carreras E. Prevention of veno-occlusive disease/sinusoidal obstruction syndrome: a never-ending story and no easy answer. Bone Marrow Transplant 2023; 58:839-841. [PMID: 37231094 PMCID: PMC10400412 DOI: 10.1038/s41409-023-02007-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 04/12/2023] [Accepted: 05/04/2023] [Indexed: 05/27/2023]
Affiliation(s)
| | - Stephan A Grupp
- The Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Paul Gerard Richardson
- Jerome Lipper Multiple Myeloma Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Rafael Duarte
- Department of Hematology, Hospital Universitario Puerta de Hierro Majadahonda, Madrid, Spain
| | - Antonio Pagliuca
- King's College Hospital and Anthony Nolan Research Institute, London, UK
| | - Tapani Ruutu
- Comprehensive Cancer Center, Helsinki University Hospital, Helsinki, Finland
| | - Kris Mahadeo
- Duke University Children's Hospital, Durham, NC, USA
| | - Enric Carreras
- Josep Carreras Foundation & Leukemia Research Institute, (Hospital Clínic/Barcelona University Campus), Barcelona, Spain
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Jia Y, Li Y, Liu Y, Yang Z, Chen X, Liu Y. Epidemiology, antimicrobial resistance, and mortality risk factors of carbapenem resistant gram-negative bacteria in hematopoietic stem cell transplantation recipients. Front Cell Infect Microbiol 2023; 12:1098856. [PMID: 36710978 PMCID: PMC9880043 DOI: 10.3389/fcimb.2022.1098856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 12/28/2022] [Indexed: 01/15/2023] Open
Abstract
Introduction Carbapenem resistant gram-negative bacteria (CRGNB) infection is more and more frequent in patients after hematopoietic stem cell transplantation (HSCT), and the prognosis is very poor. The purpose of this study was to investigate the clinical characteristics and risk factors for mortality with CRGNB infection in HSCT recipients, and to provide useful information for guiding the application of antibiotics and improving the prognosis in the future. Methods Electronic medical records of CRGNB infected patients who underwent HSCT in Xiangya Hospital from January 1, 2015 to June 30, 2022 were collected. At the same time, 1:1 case-control matching was performed according to gender, age and disease type. The epidemiological characteristics and drug resistance of patients with CRGNB infection and non-CRGNB infection were compared. Logistic regression and Cox regression analysis were used to determine the risk factors for CRGNB acquisition and death respectively, and a prediction model of overall survival was constructed by R language. Results and Discussion The crude infection rate of CRGNB in HSCT recipients was 7.42%, and the mortality rate was 47.1%. CRGNB was resistant to most commonly used antibiotics. Time interval from diagnosis to transplantation >180 days (HR=7.886, 95% CI 2.624-23.703, P=0.000), septic shock (HR=6.182, 95% CI 2.605-14.671, P=0.000), platelet count < 20 × 109/L (HR=2.615, 95% CI 1.152-5.934, P=0.022) and total bilirubin > 34.2 μmol/L (HR=7.348, 95% CI 2.966-18.202, P=0.000) at the initial stage of infection were 4 independent risk factors associated with mortality. CRGNB infection has become a serious threat to HSCT recipients. Clinicians should pay high attention to it and actively seek personalized treatment strategies suitable for local medical conditions.
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Affiliation(s)
- Yan Jia
- Department of Hematology, Xiangya Hospital, Central South University, Changsha, China,Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha, China
| | - Yun Li
- Department of Oncology, National Health Commission (NHC) Key Laboratory of Cancer Proteomics, Laboratory of Structural Biology, Xiangya Hospital, Central South University, Changsha, China
| | - Yi Liu
- Department of Hematology, Xiangya Hospital, Central South University, Changsha, China,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Ziyue Yang
- Department of Oncology, National Health Commission (NHC) Key Laboratory of Cancer Proteomics, Laboratory of Structural Biology, Xiangya Hospital, Central South University, Changsha, China
| | - Xuefeng Chen
- Department of Hematology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Yanfeng Liu
- Department of Hematology, Xiangya Hospital, Central South University, Changsha, China,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China,*Correspondence: Yanfeng Liu,
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Im H, Kim T, Na S, Song IU, Kim SH, Oh YS, Oh J, Kim W. Low serum complement level is associated with higher mortality in tuberculous meningitis: a retrospective cohort study. ENCEPHALITIS 2023; 3:7-14. [PMID: 37469713 PMCID: PMC10295820 DOI: 10.47936/encephalitis.2022.00059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 09/22/2022] [Accepted: 09/22/2022] [Indexed: 07/21/2023] Open
Abstract
Purpose We evaluated the associations between serum complement levels and tuberculous meningitis (TBM), bacterial meningitis (BM), and viral meningitis (VM), as well as the association between serum complement levels and mortality in TBM. Methods Background information and blood/cerebrospinal fluid analysis results were collected from 2009 to 2019. Patients who had serum complement level data collected at admission and who were diagnosed with TBM (n = 97), BM (n = 31), or VM (n = 557) were enrolled. Results Initial serum complement levels were significantly lower in the TBM group than the VM group in both the total population and the propensity score-matched population. In the TBM and VM groups, compared to patients with initial highest-quartile C4 level, patients in the lowest quartile (C4 < 24.3 mg/dL) had significantly greater odds of TBM diagnosis (odds ratio, 2.2; 95% confidence interval, 1.0-4.5; p = 0.038). In the TBM group, patients with the lowest-quartile C3 level (<96.9 mg/dL) experienced a significantly higher 90-day mortality rate compared to other TBM patients (hazard ratio, 19.0; 95% confidence interval, 2.1-167.4.5; p = 0.008). Conclusion Both serum C3 and C4 levels were significantly lower in the TBM group than in the VM group. TBM patients with lower serum C3 level had a significantly higher mortality rate than those with higher C3 level.
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Affiliation(s)
- Hansol Im
- Department of Neurology, The Catholic University of Korea, Incheon St. Mary’s Hospital, Seoul, Korea
| | - Taewon Kim
- Department of Neurology, The Catholic University of Korea, Incheon St. Mary’s Hospital, Seoul, Korea
| | - Seunghee Na
- Department of Neurology, The Catholic University of Korea, Incheon St. Mary’s Hospital, Seoul, Korea
| | - In-Uk Song
- Department of Neurology, The Catholic University of Korea, Incheon St. Mary’s Hospital, Seoul, Korea
| | - Seong-Hoon Kim
- Department of Neurology, The Catholic University of Korea, Uijeongbu St. Mary’s Hospital, Seoul, Korea
| | - Yoon-Sang Oh
- Department of Neurology, The Catholic University of Korea, Uijeongbu St. Mary’s Hospital, Seoul, Korea
| | - Juhee Oh
- Department of Neurology, The Catholic University of Korea, St. Vincent’s Hospital, Seoul, Korea
| | - Woojun Kim
- Department of Neurology, The Catholic University of Korea, Seoul St. Mary’s Hospital, Seoul, Korea
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Kato S, Konuma T, Monna-Oiwa M, Isobe M, Takahashi S, Nannya Y. Higher Cryopreserved CD34+ Cell Dose Is Associated with Decreased Hepatic Veno-Occlusive Disease/Sinusoidal Obstruction Syndrome after Single-Unit Cord Blood Transplantation in Adults Given Prophylactic Ursodeoxycholic Acid and Intravenous Heparin. Transplant Cell Ther 2022; 28:779.e1-779.e9. [DOI: 10.1016/j.jtct.2022.08.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 08/08/2022] [Accepted: 08/10/2022] [Indexed: 10/15/2022]
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Lee S, Lee E, Park SS, Park MS, Jung J, Min GJ, Park S, Lee SE, Cho BS, Eom KS, Kim YJ, Lee S, Kim HJ, Min CK, Cho SG, Lee JW, Hwang HJ, Yoon JH. Prediction and recommendation by machine learning through repetitive internal validation for hepatic veno-occlusive disease/sinusoidal obstruction syndrome and early death after allogeneic hematopoietic cell transplantation. Bone Marrow Transplant 2022; 57:538-546. [DOI: 10.1038/s41409-022-01583-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 01/12/2022] [Accepted: 01/13/2022] [Indexed: 12/23/2022]
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Stutz L, Halter JP, Heim D, Passweg JR, Medinger M. Low Incidence of hepatic sinusoidal obstruction syndrome/veno-occlusive disease in adults undergoing allogenic stem cell transplantation with prophylactic ursodiol and low-dose heparin. Bone Marrow Transplant 2022; 57:391-398. [PMID: 34980902 PMCID: PMC8907064 DOI: 10.1038/s41409-021-01546-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 10/21/2021] [Accepted: 11/13/2021] [Indexed: 11/09/2022]
Abstract
Hepatic sinusoidal obstruction syndrome (SOS)/veno-occlusive disease (VOD) is a complication after allogenic hematopoietic stem-cell transplantation (allo-HSCT) with high mortality. The purpose of this study was to assess the incidence and outcome of SOS in patients after allo-HSCT with the impact of ursodeoxycholic acid (UDCA) and low-dose heparin as SOS prophylaxis. Out of 1016 patients, 23 developed SOS, with a cumulative incidence of 2.3% (95% CI 1.3-3.3) 6 months after HSCT. Approximately one quarter of these patients (26.1%) had late-onset SOS. A high proportion were very severe SOS cases (74%), and 83% of the patients were treated with defibrotide (DF). In multivariate analysis, advanced disease (p = 0.003), previous HSCT (p = 0.025) and graft versus host disease (GvHD) prophylaxis by post-transplant cyclophosphamide (PTCy) (p = 0.055) were associated with the development of SOS. The 1-year overall survival (OS) was significantly lower in the SOS group compared to patients without SOS (13% versus 70%, p = 0.0001). In conclusion, we found a low incidence of SOS in patients receiving low-dose heparin and UDCA prophylactically, but among SOS patients, a high mortality. Low-dose heparin and UDCA might be a prophylactic approach for SOS.
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Affiliation(s)
- Lina Stutz
- grid.410567.1Division of Hematology, University Hospital Basel,, Basel, Switzerland ,grid.6612.30000 0004 1937 0642University of Basel, Basel, Switzerland
| | - Jörg P. Halter
- grid.410567.1Division of Hematology, University Hospital Basel,, Basel, Switzerland ,grid.6612.30000 0004 1937 0642University of Basel, Basel, Switzerland
| | - Dominik Heim
- grid.410567.1Division of Hematology, University Hospital Basel,, Basel, Switzerland ,grid.6612.30000 0004 1937 0642University of Basel, Basel, Switzerland
| | - Jakob R. Passweg
- grid.410567.1Division of Hematology, University Hospital Basel,, Basel, Switzerland ,grid.6612.30000 0004 1937 0642University of Basel, Basel, Switzerland
| | - Michael Medinger
- Division of Hematology, University Hospital Basel,, Basel, Switzerland. .,University of Basel, Basel, Switzerland.
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Park SK, Ji YS, Kim SH. Challenges to be addressed in management of patients with sinusoidal obstruction syndrome after hematopoietic cell transplantation. Korean J Intern Med 2022; 37:48-50. [PMID: 35000373 PMCID: PMC8747927 DOI: 10.3904/kjim.2021.537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 12/21/2021] [Indexed: 11/27/2022] Open
Affiliation(s)
- Seong Kyu Park
- Division of Hematooncology, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, Korea
- Correspondence to Seong Kyu Park, M.D. Division of Hematooncology, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, 170 Jomaru-ro, Wonmi-gu, Bucheon 14584, Korea Tel: +82-32-621-5185 Fax: +82-32-621-5018 E-mail:
| | - Young Sok Ji
- Division of Hematooncology, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, Korea
| | - Se Hyung Kim
- Division of Hematooncology, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, Korea
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Cai X, Zhang XH. [Advances in the diagnosis and management of sinusoidal obstruction syndrome after allogeneic hematopoietic stem cell transplantation]. ZHONGHUA XUE YE XUE ZA ZHI = ZHONGHUA XUEYEXUE ZAZHI 2021; 42:1052-1056. [PMID: 35045684 PMCID: PMC8770882 DOI: 10.3760/cma.j.issn.0253-2727.2021.12.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Indexed: 11/24/2022]
Affiliation(s)
- X Cai
- Department of Hematology, Peking University People's Hospital, Peking University Institute of Hematology, Beijing 100044, China
| | - X H Zhang
- Department of Hematology, Peking University People's Hospital, Peking University Institute of Hematology, Beijing 100044, China
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Yoon JH, Choi CW, Won JH. Hepatic sinusoidal obstruction syndrome/veno-occlusive disease after hematopoietic cell transplantation: historical and current considerations in Korea. Korean J Intern Med 2021; 36:1261-1280. [PMID: 34555279 PMCID: PMC8588980 DOI: 10.3904/kjim.2021.082] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 04/28/2021] [Indexed: 12/14/2022] Open
Abstract
Hepatic sinusoidal obstruction syndrome/veno-occlusive disease (SOS/VOD) is a rare but severe complication of hematopoietic cell transplantation (HCT) showing high mortality. Multiple risk factors for SOS/VOD were identified, but it is often confused with other hepatic complications due to nonspecific clinical features. Therefore, diagnostic and severity criteria have been revised several times. The European Society of Blood and Marrow Transplantation suggested a new guideline that excludes the standard duration of development within 21 days, emphasizes late-onset SOS/VOD, and suggests the importance of Doppler ultrasonography. The severity criteria were further subdivided for guidance to begin active treatment using defibrotide which was approved in Korea since 2016. In a phase 3 trial, defibrotide had superior 100-day survival, compared to best available treatments (38.2% vs. 25.0%). Although several studies of SOS/VOD in Korean patients have been performed after the implementation of HCT, most involved small number of pediatric patients. Recently, the Korean Society of Blood and Marrow Transplantation investigated the incidence of SOS/VOD in the Korean population, and several influential studies of adult patients were published. Here, we summarize recent issues regarding the mechanism, diagnosis, severity criteria, prevention, and treatments of SOS/VOD in Korean patients, as well as recent analyses of nationwide incidence.
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Affiliation(s)
- Jae-Ho Yoon
- Department of Hematology, Catholic Hematology Hospital and Leukemia Research Institute, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul,
Korea
| | - Chul Won Choi
- Division of Hematology and Oncology, Department of Internal Medicine, Korea University Guro Hospital, Seoul,
Korea
| | - Jong-Ho Won
- Division of Hematology and Medical Oncology, Department of Internal Medicine, Soonchunhyang University Seoul Hospital, Seoul,
Korea
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Shibata S, Inano S, Watanabe M, Fujiwara K, Ueno H, Nannya Y, Kanda J, Kawasaki N, Okamoto Y, Takiuchi Y, Fukunaga A, Tabata S, Ogawa S, Takaori-Kondo A, Kitano T. Identification of an asymptomatic Shwachman-Bodian-Diamond syndrome mutation in a patient with acute myeloid leukemia. Int J Hematol 2021; 115:428-434. [PMID: 34704233 DOI: 10.1007/s12185-021-03251-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Revised: 10/21/2021] [Accepted: 10/21/2021] [Indexed: 11/30/2022]
Abstract
Shwachman-Diamond syndrome (SDS) is an autosomal recessive inherited disorder characterized by bone marrow failure, exocrine pancreatic dysfunction, and skeletal abnormalities. SDS is typically caused by a pathogenic mutation in the Shwachman-Bodian-Diamond Syndrome (SBDS) gene. Patients with SDS have an increased risk of developing acute myeloid leukemia (AML) and myelodysplastic syndromes. We identified germline biallelic SBDS mutations (p.K62X and p.I167M) in a 50-year-old AML patient who had never experienced the typical symptoms of SDS. The K62X mutation is one of the most common pathogenic mutations, whereas the significance of the I167M mutation was unclear. Based on cellular experiments, we concluded that the I167M mutation contributed to the development of AML, and chemotherapy including topoisomerase inhibitors, which induce DNA double-strand breaks, may have been toxic to this patient. Our experience indicates that some asymptomatic Shwachman-Bodian-Diamond syndrome mutations contribute to the development of leukemia, and that careful treatment selection may be warranted for patients harboring these mutations.
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Affiliation(s)
- Sho Shibata
- Department of Hematology, Kitano Hospital, 2-4-20, Ougimachi, Kita-ku, Osaka, Japan
| | - Shojiro Inano
- Department of Hematology, Kitano Hospital, 2-4-20, Ougimachi, Kita-ku, Osaka, Japan.
| | - Mizuki Watanabe
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Kensuke Fujiwara
- Department of Hematology, Hyogo Prefectural Amagasaki General Medical Center, Amagasaki, Japan
| | - Hiroo Ueno
- Department of Pathology and Tumor Biology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yasuhito Nannya
- Department of Pathology and Tumor Biology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Junya Kanda
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Naoto Kawasaki
- Department of Hematology, Kitano Hospital, 2-4-20, Ougimachi, Kita-ku, Osaka, Japan
| | - Yoshio Okamoto
- Department of Hematology, Kitano Hospital, 2-4-20, Ougimachi, Kita-ku, Osaka, Japan
| | - Yoko Takiuchi
- Department of Hematology, Kitano Hospital, 2-4-20, Ougimachi, Kita-ku, Osaka, Japan
| | - Akiko Fukunaga
- Department of Hematology, Kitano Hospital, 2-4-20, Ougimachi, Kita-ku, Osaka, Japan
| | - Sumie Tabata
- Department of Hematology, Kitano Hospital, 2-4-20, Ougimachi, Kita-ku, Osaka, Japan
| | - Seishi Ogawa
- Department of Pathology and Tumor Biology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Akifumi Takaori-Kondo
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Toshiyuki Kitano
- Department of Hematology, Kitano Hospital, 2-4-20, Ougimachi, Kita-ku, Osaka, Japan
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The association between serum sodium level and tuberculous meningitis compared with viral and bacterial meningitis. Sci Rep 2021; 11:10906. [PMID: 34035388 PMCID: PMC8149664 DOI: 10.1038/s41598-021-90358-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 05/10/2021] [Indexed: 11/08/2022] Open
Abstract
We evaluated the association between hyponatremia and tuberculous meningitis (TBM) with the aim of providing additional information for differential diagnosis from other types of infectious meningitis, especially viral meningitis (VM). Cross-sectional and longitudinal data involving 5026 participants older than 18 years were analyzed in the total population and a propensity-matched population. The initial and lowest sodium levels and longitudinal changes in TBM, bacterial meningitis (BM), and VM patients were compared. Participants in the TBM group were enrolled when they were diagnosed as possible, probable, or definite TBM according to the Marais' criteria. The initial serum sodium level was significantly lower in TBM patients than in BM and VM patients (136.9 ± 5.9 vs. 138.3 ± 4.7 mmol/L, p < 0.001 for TBM vs. BM, and 139.0 ± 3.1, p < 0.001 for TBM vs. VM), and it decreased significantly more steeply to lower levels in both the TBM and BM patients compared with VM patients. The lowest serum sodium level was in the order of TBM < BM < VM patients, and the change was statistically significant in all subgroups (131.8 ± 6.4, 133.1 ± 5.1, 137.4 ± 3.7, respectively, p < 0.001). Participants with lower serum sodium level were more likely to have a diagnosis of TBM rather than VM, and this association was more pronounced for the lowest sodium level than the initial sodium level [OR 4.6 (95% CI 2.4-8.8, p < 0.001)]. These findings indicate that baseline and longitudinal evaluation of serum sodium level can provide information for differential diagnosis of TBM from BM or VM.
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