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Rogers PC, Cheng J, Lim A, Potts JE. Feasibility study of micronutrient status and body mass index of newly diagnosed pediatric oncology patients: Research commentary. Pediatr Blood Cancer 2024; 71:e30936. [PMID: 38462770 DOI: 10.1002/pbc.30936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 01/28/2024] [Accepted: 02/16/2024] [Indexed: 03/12/2024]
Abstract
We conducted a feasibility study to evaluate micronutrients and body mass index (BMI). Fat soluble vitamins A, D, E and trace elements copper (Cu), selenium (Se), and zinc (Zn) levels were evaluated. Weight, height, BMI, and Z-scores were recorded. Side effects or specific adverse events were documented. No patient had a Z-score for height, weight, or BMI of less than 2 SD or greater than 2 SD. Ninety percent of patients had one or more micronutrient levels below normal. These results suggest that micronutrient abnormalities are common despite no obvious evidence of malnutrition. Side effects of chemotherapy may be exacerbated by micronutrient depletion.
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Affiliation(s)
- Paul C Rogers
- Division of Pediatric Hematology, Oncology and Bone Marrow Transplant, Department of Pediatrics, British Columbia Children's Hospital and The University of British Columbia, Vancouver, British Columbia, Canada
| | - Jeffrey Cheng
- Division of Pediatric Hematology, Oncology and Bone Marrow Transplant, Department of Pediatrics, British Columbia Children's Hospital and The University of British Columbia, Vancouver, British Columbia, Canada
| | - Alecia Lim
- Division of Pediatric Hematology, Oncology and Bone Marrow Transplant, Department of Pediatrics, British Columbia Children's Hospital and The University of British Columbia, Vancouver, British Columbia, Canada
| | - James E Potts
- Division of Pediatric Hematology, Oncology and Bone Marrow Transplant, Department of Pediatrics, British Columbia Children's Hospital and The University of British Columbia, Vancouver, British Columbia, Canada
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Golding L, Watts AW, Shew J, Viñeta Paramo M, Mâsse LC, Goldfarb DM, Abu-Raya B, Lavoie PM. A Novel Anti-nucleocapsid Antibody Avidity Method for Identifying SARS-CoV-2 Reinfections. J Infect Dis 2024:jiae072. [PMID: 38442331 DOI: 10.1093/infdis/jiae072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 02/07/2024] [Indexed: 03/07/2024] Open
Abstract
Detecting severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) reinfections is challenging with current serology assays and is further complicated by the marked decrease in routine viral testing practices as viral transmission increased during Omicron. Here, we provide proof-of-principle that high-avidity anti-nucleocapsid (N) antibodies detects reinfections after a single infection with higher specificity (85%; 95% confidence interval [95% CI], 80%-90%) compared to anti-N antibody levels (72%; 95% CI, 66%-79%) in a vaccinated cohort. This method could be used to retroactively investigate the epidemiology and incremental long-term health consequences of SARS-CoV-2 reinfections.
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Affiliation(s)
- Liam Golding
- British Columbia Children's Hospital Research Institute, University of British Columbia, Vancouver, British Columbia, Canada
- Department of Pediatrics, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Allison W Watts
- British Columbia Children's Hospital Research Institute, University of British Columbia, Vancouver, British Columbia, Canada
| | - Jacob Shew
- British Columbia Children's Hospital Research Institute, University of British Columbia, Vancouver, British Columbia, Canada
- Department of Pediatrics, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Marina Viñeta Paramo
- British Columbia Children's Hospital Research Institute, University of British Columbia, Vancouver, British Columbia, Canada
- Department of Pediatrics, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
- Women+ and Children's Health, Department of Obstetrics and Gynecology, University of British Columbia, Vancouver, British Columbia, Canada
| | - Louise C Mâsse
- British Columbia Children's Hospital Research Institute, University of British Columbia, Vancouver, British Columbia, Canada
- School of Population and Public Health, University of British Columbia, Vancouver, British Columbia, Canada
| | - David M Goldfarb
- British Columbia Children's Hospital Research Institute, University of British Columbia, Vancouver, British Columbia, Canada
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Bahaa Abu-Raya
- British Columbia Children's Hospital Research Institute, University of British Columbia, Vancouver, British Columbia, Canada
- Department of Pediatrics, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Pascal M Lavoie
- British Columbia Children's Hospital Research Institute, University of British Columbia, Vancouver, British Columbia, Canada
- Department of Pediatrics, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
- Women+ and Children's Health, Department of Obstetrics and Gynecology, University of British Columbia, Vancouver, British Columbia, Canada
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