Hypocalcemia in the Immediate Postoperative Period Following Metabolic Bariatric Surgery – Hype or Harm?

Purpose Hypocalcemia post-metabolic bariatric surgery (MBS) is a known long-term complication after hypoabsorptive procedures. However, data on immediate postoperative calcium are limited. Our aim was to evaluate the prevalence of hypocalcemia on the 1st postoperative day after MBS and correlate it...

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Bibliographic Details
Published in:Obesity surgery 2024-07, Vol.34 (7), p.2530-2536
Main Authors: Koffas, Stefanos, Pantelis, Athanasios G., Lapatsanis, Dimitris P.
Format: Article
Language:English
Subjects:
Adult
Bariatric Surgery - adverse effects
Calcium - blood
Female
Furosemide - administration & dosage
Furosemide - therapeutic use
Gastrointestinal surgery
Humans
Hypocalcemia
Hypocalcemia - epidemiology
Hypocalcemia - etiology
Magnesium - blood
Male
Medicine
Medicine & Public Health
Metabolism
Middle Aged
Obesity, Morbid - surgery
Original Contributions
Postoperative Complications - epidemiology
Postoperative Period
Prevalence
Retrospective Studies
Surgery
Vitamin D - blood
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Summary:Purpose Hypocalcemia post-metabolic bariatric surgery (MBS) is a known long-term complication after hypoabsorptive procedures. However, data on immediate postoperative calcium are limited. Our aim was to evaluate the prevalence of hypocalcemia on the 1st postoperative day after MBS and correlate it with potential associated factors. Materials and Methods We analyzed data from all consecutive index MBS over 1 year. We collected data on demographics and on preoperative and postoperative values of serum calcium (TC), albumin, adjusted calcium (AC–Payne formula), magnesium, phosphorus, preoperative vitamin-D, and postoperative 24-h urine output, intravenous fluids (IVF), bolus intravenous furosemide, and creatine phosphokinase (CPK). Continuous data are expressed as means ± SD (range). Categorical data are presented as frequencies (%). Linear regression was implemented to designate potential correlations. Results The cohort included 86 patients (58.1% females). The mean preoperative TC was 9.4mg/dL ± 0.4 (8.5–10.5) and mean postoperative TC 7.8mg/dL ± 0.6 (6.3–9.3, 17.0% decrease). The mean preoperative AC was 10.1mg/dL ± 0.4 (9.2–11.2) and mean postoperative AC 8.5mg/dL ± 0.6 (7.0–10.0, 15.8% decrease). Seventy-three patients (84.8%) had abnormally low TC (
ISSN:0960-8923
1708-0428
1708-0428
DOI:10.1007/s11695-024-07312-3