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Pizzo F, Marino A, Di Nora A, Spampinato S, Cacciaguerra G, Costanza G, Scarlata F, Biasco A, Consentino MC, Lubrano R, Cacopardo B, Nunnari G, Ruggieri M, Pavone P. Urea/Creatinine Ratio's Correlation with Creatine Kinase Normalization in Pediatric COVID-19 Patients with Myositis: Evaluating Prognostic and Predictive Value. Infect Dis Rep 2023; 16:13-25. [PMID: 38247974 PMCID: PMC10801615 DOI: 10.3390/idr16010002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 12/21/2023] [Accepted: 12/23/2023] [Indexed: 01/23/2024] Open
Abstract
Coronavirus disease 2019 (COVID-19) has been chiefly linked with substantial respiratory complications. However, emerging studies have brought attention to the occurrence of severe muscle inflammation (myositis) related to COVID-19, potentially leading to multi-organ failure and increased mortality. Myositis is generally characterized by heightened serum creatine kinase (CK) levels. Acute myositis is characterized by an infiltration of viruses into calf muscle fibers, which may cause a subsequent inflammatory response leading to calf muscle pain. Symptomatic and supportive management, along with explanation and reassurance, is all that is required in managing this condition. While the association between myositis and severe outcomes has been recognized in adults, it remains less understood in the pediatric population. The current retrospective study, conducted at Policlinico San Marco University Hospital in Catania, aimed to analyze clinical and laboratory factors associated with myositis in pediatric patients with SARS-CoV-2 infection. Between January 2022 and January 2023, ten pediatric patients diagnosed with myositis and SARS-CoV-2 infection were evaluated. The study highlighted clinical manifestations such as fever, calf muscle pain, and abnormal gait. Lab results showed elevated CK levels among other findings. All patients underwent treatment, with the majority recovering without complications. A notable correlation was observed between CK levels, blood urea nitrogen (BUN), and the urea/creatinine ratio (UCR). The study also discusses potential pathophysiological mechanisms behind SARS-CoV-2's impact on skeletal muscles, emphasizing an indirect inflammatory response. Our findings underscore that while myositis in children with SARS-CoV-2 infection appears to follow a benign and self-limiting trajectory, it is crucial to monitor specific markers for early intervention and management. Further research is warranted to elucidate the underlying mechanisms and improve clinical outcomes.
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Affiliation(s)
- Francesco Pizzo
- Postgraduate Training Programme in Pediatrics, Department of Clinical and Experimental Medicine, University of Catania, Via S. Sofia 78, 95123 Catania, Italy; (F.P.); (A.D.N.); (G.C.); (G.C.); (F.S.); (A.B.); (M.C.C.)
| | - Andrea Marino
- Infectious Diseases Unit, Department of Clinical and Experimental Medicine, ARNAS Garibaldi Hospital, University of Catania, 95122 Catania, Italy; (B.C.); (G.N.)
| | - Alessandra Di Nora
- Postgraduate Training Programme in Pediatrics, Department of Clinical and Experimental Medicine, University of Catania, Via S. Sofia 78, 95123 Catania, Italy; (F.P.); (A.D.N.); (G.C.); (G.C.); (F.S.); (A.B.); (M.C.C.)
| | - Serena Spampinato
- Department of Clinical and Experimental Medicine, University of Messina, 98122 Messina, Italy;
| | - Giovanni Cacciaguerra
- Postgraduate Training Programme in Pediatrics, Department of Clinical and Experimental Medicine, University of Catania, Via S. Sofia 78, 95123 Catania, Italy; (F.P.); (A.D.N.); (G.C.); (G.C.); (F.S.); (A.B.); (M.C.C.)
| | - Giuseppe Costanza
- Postgraduate Training Programme in Pediatrics, Department of Clinical and Experimental Medicine, University of Catania, Via S. Sofia 78, 95123 Catania, Italy; (F.P.); (A.D.N.); (G.C.); (G.C.); (F.S.); (A.B.); (M.C.C.)
| | - Federica Scarlata
- Postgraduate Training Programme in Pediatrics, Department of Clinical and Experimental Medicine, University of Catania, Via S. Sofia 78, 95123 Catania, Italy; (F.P.); (A.D.N.); (G.C.); (G.C.); (F.S.); (A.B.); (M.C.C.)
| | - Arturo Biasco
- Postgraduate Training Programme in Pediatrics, Department of Clinical and Experimental Medicine, University of Catania, Via S. Sofia 78, 95123 Catania, Italy; (F.P.); (A.D.N.); (G.C.); (G.C.); (F.S.); (A.B.); (M.C.C.)
| | - Maria Chiara Consentino
- Postgraduate Training Programme in Pediatrics, Department of Clinical and Experimental Medicine, University of Catania, Via S. Sofia 78, 95123 Catania, Italy; (F.P.); (A.D.N.); (G.C.); (G.C.); (F.S.); (A.B.); (M.C.C.)
| | - Riccardo Lubrano
- Department of Paediatrics, Sapienza University of Rome, Viale del Policlinico 155, 00161 Roma, Italy;
| | - Bruno Cacopardo
- Infectious Diseases Unit, Department of Clinical and Experimental Medicine, ARNAS Garibaldi Hospital, University of Catania, 95122 Catania, Italy; (B.C.); (G.N.)
| | - Giuseppe Nunnari
- Infectious Diseases Unit, Department of Clinical and Experimental Medicine, ARNAS Garibaldi Hospital, University of Catania, 95122 Catania, Italy; (B.C.); (G.N.)
| | - Martino Ruggieri
- Department of Clinical and Experimental Medicine, Section of Pediatrics and Child Neuropsychiatry, University Hospital “Policlinico G. Rodolico”, 95125 Catania, Italy;
| | - Piero Pavone
- Department of Clinical and Experimental Medicine, Section of Pediatrics and Child Neuropsychiatry, University Hospital “Policlinico G. Rodolico”, 95125 Catania, Italy;
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Ahmed S, Zierk J, Siddiqui I, Khan AH. Indirect determination of serum creatinine reference intervals in a Pakistani pediatric population using big data analytics. World J Clin Pediatr 2021; 10:72-78. [PMID: 34316440 PMCID: PMC8290993 DOI: 10.5409/wjcp.v10.i4.72] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 02/16/2021] [Accepted: 04/21/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND The indirect methods of reference intervals (RI) establishment based on data mining are utilized to overcome the ethical, practical challenges and the cost associated with the conventional direct approach.
AIM To generate RIs for serum creatinine in children and adolescents using an indirect statistical tool.
METHODS Data mining of the laboratory information system was performed for serum creatinine analyzed from birth to 17 years for both genders. The timeline was set at six years from January 2013 to December 2018. Microsoft Excel 2010 and an indirect algorithm developed by the German Society of Clinical Chemistry and Laboratory Medicine’s Working Group on Guide Limits were used for the data analysis.
RESULTS Data were extracted from 96104 samples and after excluding multiple samples for the same individual, we calculated RIs for 21920 males and 14846 females, with stratification into six discrete age groups.
CONCLUSION Serum creatinine dynamics varied significantly across gender and age groups.
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Affiliation(s)
- Sibtain Ahmed
- Department of Pathology and Laboratory Medicine, The Aga Khan University, Karachi 74800, Sindh, Pakistan
| | - Jakob Zierk
- Department of Pediatrics and Adolescent Medicine, University Hospital Erlangen, Erlangen 91054, Germany
| | - Imran Siddiqui
- Department of Pathology and Laboratory Medicine, The Aga Khan University, Karachi 74800, Sindh, Pakistan
| | - Aysha Habib Khan
- Department of Pathology and Laboratory Medicine, The Aga Khan University, Karachi 74800, Sindh, Pakistan
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Dailey RE, Smith K, Fontaine C, Jia Y, Avery JP. Response of metabolic hormones and blood metabolites to realimentation in rehabilitated harbor seal (Phoca vitulina) pups. J Comp Physiol B 2020; 190:629-640. [PMID: 32617718 DOI: 10.1007/s00360-020-01290-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2020] [Revised: 05/13/2020] [Accepted: 06/18/2020] [Indexed: 12/17/2022]
Abstract
Mammals with increased requirements for adipose tissue stores, such as marine mammals, have altered nutrient allocation priorities compared to many terrestrial mammals and thus the physiological response to undernutrition (low nutritional status) and realimentation (refeeding) may differ. Key regulators of nutrient allocation and tissue specific growth include metabolic hormones of the somatotropic axis, growth hormone (GH) and insulin-like growth factor (IGF)-I, as well as satiety and adipose promoting ghrelin and the stress hormone cortisol. Longitudinal measurements of metabolic hormones, blood metabolites, and morphometrics were collected over a 10-week period in twelve (male n = 3, female n = 9) harbor seal pups (< 6 weeks of age). Blood metabolites were used to indicate metabolic response during realimentation while morphometrics estimated tissue specific growth priorities. Harbor seal pups undergoing refeeding after nutritional deprivation show a preference for protein sparing despite severe malnutrition. Both BUN and total protein were negatively associated with GH and positively associated with IGF-I and ghrelin highlighting the importance of these metabolic hormones in the regulation of protein metabolism. While the response of the somatotropic axis to realimentation was typical of the mammalian pattern, the surprising increase of ghrelin across the study period suggests the priority of adipose accretion in addition to a possible mechanism regulating compensatory growth of vital adipose stores in a species, which prioritizes adipose accretion for survival.
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Affiliation(s)
- Rachael E Dailey
- Department of Biological Sciences, University of North Florida, Jacksonville, FL, USA
| | - Kacie Smith
- Department of Biological Sciences, University of North Florida, Jacksonville, FL, USA
| | | | - Yisu Jia
- Department of Mathematics and Statistics, University of North Florida, Jacksonville, FL, USA
| | - Julie P Avery
- Department of Biological Sciences, University of North Florida, Jacksonville, FL, USA. .,Water and Environmental Research Center, University of Alaska Fairbanks, 1764 Tanana Loop, PO Box 75 5910, Fairbanks, AK, 99775-5910, USA.
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