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Shang Y, Chen M, Wang T, Xia T. Baseline 25(OH)D level is a prognostic indicator for bariatric surgery readmission: a matched retrospective cohort study. Front Nutr 2024; 11:1362258. [PMID: 38803446 PMCID: PMC11128655 DOI: 10.3389/fnut.2024.1362258] [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: 12/28/2023] [Accepted: 04/22/2024] [Indexed: 05/29/2024] Open
Abstract
Introduction Managing postsurgical complications is crucial in optimizing the outcomes of bariatric surgery, for which preoperative nutritional assessment is essential. In this study, we aimed to evaluate and validate the efficacy of vitamin D levels as an immunonutritional biomarker for bariatric surgery prognosis. Methods This matched retrospective cohort study included adult patients who underwent bariatric surgery at a tertiary medical center in China between July 2021 and June 2022. Patients with insufficient and sufficient 25(OH)D (< 30 ng/mL) were matched in a 1:1 ratio. Follow-up records of readmission at 3 months, 6 months, and 1 year were obtained to identify prognostic indicators. Results A matched cohort of 452 patients with a mean age of 37.14 ± 9.25 years and involving 69.47% females was enrolled. Among them, 94.25 and 5.75% underwent sleeve gastrectomy and gastric bypass, respectively. Overall, 25 patients (5.54%) were readmitted during the 1-year follow-up. The prognostic nutritional index and controlling nutritional status scores calculated from inflammatory factors did not efficiently detect malnourishment. A low 25(OH)D level (3.58 [95% CI, 1.16-11.03]) and surgery season in summer or autumn (2.68 [95% CI, 1.05-6.83]) increased the risk of 1-year readmission in both the training and validation cohorts. The area under the receiver operating characteristic curve was 0.747 (95% CI, 0.640-0.855), with a positive clinical benefit in the decision curve analyses. The relationship between 25(OH)D and 6-month readmission was U-shaped. Conclusion Serum 25(OH)D levels have prognostic significance in bariatric surgery readmission. Hence, preferable 25(OH)D levels are recommended for patients undergoing bariatric surgery.
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Affiliation(s)
- Yongguang Shang
- Department of Pharmacy, China-Japan Friendship Hospital, Beijing, China
| | - Mengli Chen
- Department of Pharmacy, Chinese PLA General Hospital, Beijing, China
| | - Tianlin Wang
- Department of Pharmacy, Chinese PLA General Hospital, Beijing, China
| | - Tianyi Xia
- Department of Pharmacy, China-Japan Friendship Hospital, Beijing, China
- Department of Pharmacy, Chinese PLA General Hospital, Beijing, China
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Cambras T, Pardina E, Carmona J, Ricart-Jane D, Minarro A, Ferrer R, Lecube A, Balibrea JM, Caubet E, González O, Vilallonga R, Cuello E, Fort JM, Baena-Fustegueras JA, Díez-Noguera A, Peinado-Onsurbe J. Seasonal variation of body weight loss after bariatric surgery. Chronobiol Int 2019; 36:672-680. [PMID: 30843440 DOI: 10.1080/07420528.2019.1580716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Seasonal variations have been described in humans in several variables such as sleep, mood, appetite, food preferences, or body weight. We hypothesized that these variations could also influence the decrease in body weight rate in patients submitted to body weight loss interventions. Thus, here we tested the variations of weight loss according to the time of the year the surgery took place in a group patients (n = 1322) submitted to bariatric surgery in the Hospital Universitari de la Vall d'Hebron in Barcelona (geographical coordinates: 41°25'41″N 2°8'32″E). For the analysis, the percentage of total body weight loss (%TWL), excess body weight loss (%EWL) and percentage of body mass index loss (%BMIL) were calculated at 3 (n = 1255), 6 (n = 1172), 9 (n = 1002), and 12 months (n = 1076) after surgery. For %EWL and %BMIL a statistically significant seasonal variation was detected when the variables were calculated at 3 months, but not at the other times, with more weight loss in summer-fall. However, seasonal variations were not detected for %TWL (p = 0.09). The mean amplitude of the seasonal rhythm for %EWL was of 1.8%, while for the rhythm of %BMIL was 0.7%. Moreover, a second peak was detected in January-February modulating the seasonal rhythm of the two variables. Results confirm seasonal variations in humans and indicate that short term responses to weight loss can be modulated by the time of year.
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Affiliation(s)
- Trinitat Cambras
- a Department of Physiology and Biochemistry, Faculty of Pharmacy and Food Sciences , Universitat de Barcelona , Barcelona , Spain
| | - Eva Pardina
- b Department of Biochemistry and Molecular Biomedicine, Faculty of Biology , Universitat de Barcelona , Barcelona , Spain
| | - Julia Carmona
- b Department of Biochemistry and Molecular Biomedicine, Faculty of Biology , Universitat de Barcelona , Barcelona , Spain
| | - David Ricart-Jane
- b Department of Biochemistry and Molecular Biomedicine, Faculty of Biology , Universitat de Barcelona , Barcelona , Spain
| | - Antonio Minarro
- c Department of Genetics, Microbiology and Statistics, Faculty of Biology , Universitat de Barcelona , Barcelona , Spain
| | - Roser Ferrer
- d Department of Biochemistry , Institut de Recerca Hospital Universitari Vall d'Hebron , Barcelona , Spain
| | - Albert Lecube
- e Department of Endocrinology and Nutrition , Arnau de Vilanova University Hospital, CIBER de Diabetes y Enfermedades Metabólicas (CIBERDEM) , Lleida , Spain
| | - Jose María Balibrea
- f Endocrinology Surgery Unit , Hospital Universitari Vall d'Hebron , Barcelona , Spain
| | - Enric Caubet
- f Endocrinology Surgery Unit , Hospital Universitari Vall d'Hebron , Barcelona , Spain
| | - Oscar González
- f Endocrinology Surgery Unit , Hospital Universitari Vall d'Hebron , Barcelona , Spain
| | - Ramón Vilallonga
- f Endocrinology Surgery Unit , Hospital Universitari Vall d'Hebron , Barcelona , Spain
| | - Elena Cuello
- g Endocrinology Surgery Unit , Arnau de Vilanova University Hospital (UdL) , Lleida , Spain
| | - Jose Manuel Fort
- f Endocrinology Surgery Unit , Hospital Universitari Vall d'Hebron , Barcelona , Spain
| | | | - Antoni Díez-Noguera
- a Department of Physiology and Biochemistry, Faculty of Pharmacy and Food Sciences , Universitat de Barcelona , Barcelona , Spain
| | - Julia Peinado-Onsurbe
- b Department of Biochemistry and Molecular Biomedicine, Faculty of Biology , Universitat de Barcelona , Barcelona , Spain
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