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Houlind MB, Andersen O, Iversen E. Cystatin C to Creatinine Ratio and Measured GFR in Hospitalized Older Adults. Am J Kidney Dis 2024; 83:834-835. [PMID: 38224732 DOI: 10.1053/j.ajkd.2023.11.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 11/06/2023] [Accepted: 11/20/2023] [Indexed: 01/17/2024]
Affiliation(s)
- Morten Baltzer Houlind
- Department of Clinical Research, Copenhagen University Hospital Amager and Hvidovre, Hvidovre, Denmark; The Capital Region Pharmacy, Herlev, Denmark; Department of Drug Design and Pharmacology, University of Copenhagen, Copenhagen, Denmark
| | - Ove Andersen
- Department of Clinical Research, Copenhagen University Hospital Amager and Hvidovre, Hvidovre, Denmark; Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark; Emergency Department, Copenhagen University Hospital Amager and Hvidovre, Hvidovre, Denmark
| | - Esben Iversen
- Department of Clinical Research, Copenhagen University Hospital Amager and Hvidovre, Hvidovre, Denmark
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Baltzer Houlind M, Hansen L, Iversen E, Rasmussen HB, Larsen JB, Jørgensen S, Dalhoff K, Damkier P, Walls AB, Vermehren C, Andersen TRH, Kallemose T, Christrup L, Westergaard N. Pharmacogenetic testing of CYP2D6, CYP2C19 and CYP2C9 in Denmark: Agreement between publicly funded genotyping tests and the subsequent phenotype classification. Basic Clin Pharmacol Toxicol 2024; 134:756-763. [PMID: 38403838 DOI: 10.1111/bcpt.13990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 02/01/2024] [Accepted: 02/06/2024] [Indexed: 02/27/2024]
Affiliation(s)
- Morten Baltzer Houlind
- Department of Clinical Research, Copenhagen University Hospital Amager and Hvidovre, Hvidovre, Denmark
- Emergency Department, Copenhagen University Hospital Amager and Hvidovre, Hvidovre, Denmark
- The Capital Region Pharmacy, Herlev, Denmark
- Department of Drug Design and Pharmacology, University of Copenhagen, Copenhagen, Denmark
| | - Luise Hansen
- Department of Clinical Research, Copenhagen University Hospital Amager and Hvidovre, Hvidovre, Denmark
- Department of Drug Design and Pharmacology, University of Copenhagen, Copenhagen, Denmark
| | - Esben Iversen
- Department of Clinical Research, Copenhagen University Hospital Amager and Hvidovre, Hvidovre, Denmark
| | - Henrik Berg Rasmussen
- Institute of Biological Psychiatry, Mental Health Centre Sct. Hans, Roskilde, Denmark
| | | | - Steffen Jørgensen
- Centre for Engineering and Science, University College Absalon, Naestved, Denmark
| | - Kim Dalhoff
- Department of Clinical Pharmacology, Copenhagen University Hospital Bispebjerg and Frederiksberg, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Per Damkier
- Department of Clinical Pharmacology, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Anne B Walls
- The Capital Region Pharmacy, Herlev, Denmark
- Department of Drug Design and Pharmacology, University of Copenhagen, Copenhagen, Denmark
| | - Charlotte Vermehren
- The Capital Region Pharmacy, Herlev, Denmark
- Department of Drug Design and Pharmacology, University of Copenhagen, Copenhagen, Denmark
| | | | - Thomas Kallemose
- Department of Clinical Research, Copenhagen University Hospital Amager and Hvidovre, Hvidovre, Denmark
| | - Lona Christrup
- Department of Drug Design and Pharmacology, University of Copenhagen, Copenhagen, Denmark
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Nielsen RL, Andersen AL, Kallemose T, Damgaard M, Bornæs O, Juul-Larsen HG, Strejby Christensen LW, Jawad BN, Andersen O, Rasmussen HH, Munk T, Lund TM, Houlind MB. Evaluation of Multi-Frequency Bioelectrical Impedance Analysis against Dual-Energy X-ray Absorptiometry for Estimation of Low Muscle Mass in Older Hospitalized Patients. J Clin Med 2023; 13:196. [PMID: 38202202 PMCID: PMC10779600 DOI: 10.3390/jcm13010196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/14/2023] [Accepted: 12/27/2023] [Indexed: 01/12/2024] Open
Abstract
The accuracy of multi-frequency (MF) bioelectrical impedance analysis (BIA) to estimate low muscle mass in older hospitalized patients remains unclear. This study aimed to describe the ability of MF-BIA to identify low muscle mass as proposed by The Global Leadership Initiative on Malnutrition (GLIM) and The European Working Group on Sarcopenia in Older People (EWGSOP-2) and examine the association between muscle mass, dehydration, malnutrition, and poor appetite in older hospitalized patients. In this prospective exploratory cohort study, low muscle mass was estimated with MF-BIA against dual-energy X-ray absorptiometry (DXA) in 42 older hospitalized adults (≥65 years). The primary variable for muscle mass was appendicular skeletal muscle mass (ASM), and secondary variables were appendicular skeletal muscle mass index (ASMI) and fat-free mass index (FFMI). Cut-off values for low muscle mass were based on recommendations by GLIM and EWGSOP-2. MF-BIA was evaluated against DXA on the ability to estimate absolute values of muscle mass by mean bias, limits of agreement (LOA), and accuracy (5% and 10% levels). Agreement between MF-BIA and DXA to identify low muscle mass was evaluated with sensitivity, specificity, negative predictive value (NPV), and positive predictive value (PPV). The association between muscle mass, dehydration, malnutrition, and poor appetite was visually examined with boxplots. MF-BIA overestimated absolute values of ASM with a mean bias of 0.63 kg (CI: -0.20:1.46, LOA: -4.61:5.87). Agreement between MF-BIA and DXA measures of ASM showed a sensitivity of 86%, specificity of 94%, PPV of 75% and NPV of 97%. Boxplots indicate that ASM is lower in patients with malnutrition. This was not observed in patients with poor appetite. We observed a tendency toward higher ASM in patients with dehydration. Estimation of absolute ASM values with MF-BIA should be interpreted with caution, but MF-BIA might identify low muscle mass in older hospitalized patients.
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Affiliation(s)
- Rikke Lundsgaard Nielsen
- Department of Clinical Research, Acute CAG, Copenhagen University Hospital Amager and Hvidovre, 2650 Hvidovre, Denmark; (A.L.A.); (T.K.); (O.B.)
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, 2100 Copenhagen, Denmark
| | - Aino Leegaard Andersen
- Department of Clinical Research, Acute CAG, Copenhagen University Hospital Amager and Hvidovre, 2650 Hvidovre, Denmark; (A.L.A.); (T.K.); (O.B.)
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, 2100 Copenhagen, Denmark
| | - Thomas Kallemose
- Department of Clinical Research, Acute CAG, Copenhagen University Hospital Amager and Hvidovre, 2650 Hvidovre, Denmark; (A.L.A.); (T.K.); (O.B.)
| | - Morten Damgaard
- Department of Clinical Physiology and Nuclear Medicine, Centre for Functional and Diagnostic Imaging and Research, Copenhagen University Hospital Amager and Hvidovre, 2650 Hvidovre, Denmark
| | - Olivia Bornæs
- Department of Clinical Research, Acute CAG, Copenhagen University Hospital Amager and Hvidovre, 2650 Hvidovre, Denmark; (A.L.A.); (T.K.); (O.B.)
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, 2100 Copenhagen, Denmark
| | - Helle Gybel Juul-Larsen
- Department of Clinical Research, Acute CAG, Copenhagen University Hospital Amager and Hvidovre, 2650 Hvidovre, Denmark; (A.L.A.); (T.K.); (O.B.)
| | - Louise Westberg Strejby Christensen
- Department of Clinical Research, Acute CAG, Copenhagen University Hospital Amager and Hvidovre, 2650 Hvidovre, Denmark; (A.L.A.); (T.K.); (O.B.)
- The Capital Region Pharmacy, Marielundsvej 25, 2730 Herlev, Denmark
| | - Baker Nawfal Jawad
- Department of Clinical Research, Acute CAG, Copenhagen University Hospital Amager and Hvidovre, 2650 Hvidovre, Denmark; (A.L.A.); (T.K.); (O.B.)
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, 2100 Copenhagen, Denmark
| | - Ove Andersen
- Department of Clinical Research, Acute CAG, Copenhagen University Hospital Amager and Hvidovre, 2650 Hvidovre, Denmark; (A.L.A.); (T.K.); (O.B.)
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, 2100 Copenhagen, Denmark
- Emergency Department, Copenhagen University Hospital Amager and Hvidovre, 2650 Hvidovre, Denmark
| | - Henrik Højgaard Rasmussen
- Center for Nutrition and Intestinal Failure, Aalborg University Hospital, Aalborg University, 9220 Aalborg, Denmark;
- The Dietitians and Nutritional Research Unit, EATEN, Copenhagen University Hospital—Herlev and Gentofte, 2100 Copenhagen, Denmark
| | - Tina Munk
- The Dietitians and Nutritional Research Unit, EATEN, Copenhagen University Hospital—Herlev and Gentofte, 2100 Copenhagen, Denmark
| | - Trine Meldgaard Lund
- Department of Drug Design and Pharmacology, University of Copenhagen, 2100 Copenhagen, Denmark;
| | - Morten Baltzer Houlind
- Department of Clinical Research, Acute CAG, Copenhagen University Hospital Amager and Hvidovre, 2650 Hvidovre, Denmark; (A.L.A.); (T.K.); (O.B.)
- The Capital Region Pharmacy, Marielundsvej 25, 2730 Herlev, Denmark
- Department of Drug Design and Pharmacology, University of Copenhagen, 2100 Copenhagen, Denmark;
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Iversen E, Andersen O, Houlind MB. Discordance in Estimated GFR Among Hospitalized Older Adults. Kidney Med 2023; 5:100743. [PMID: 38116165 PMCID: PMC10728693 DOI: 10.1016/j.xkme.2023.100743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2023] Open
Affiliation(s)
- Esben Iversen
- Department of Clinical Research, Copenhagen University Hospital Amager and Hvidovre, Hvidovre, Denmark
| | - Ove Andersen
- Department of Clinical Research, Copenhagen University Hospital Amager and Hvidovre, Hvidovre, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
- Emergency Department, Copenhagen University Hospital Amager and Hvidovre, Hvidovre, Denmark
| | - Morten Baltzer Houlind
- Department of Clinical Research, Copenhagen University Hospital Amager and Hvidovre, Hvidovre, Denmark
- The Capital Region Pharmacy, Herlev, Denmark
- Department of Drug Design and Pharmacology, University of Copenhagen, Copenhagen, Denmark
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