The association of body mass index with same-day hospital admission, postoperative complications, and 30-day readmission following day-case eligible joint arthroscopy: A national registry analysis

Rodney A. Gabriel, Brittany N. Burton, Jerry Ingrande, Girish P. Joshi, Ruth S. Waterman, Kristin R. Spurr, Richard D. Urman

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Study objective: We examined the association of body mass index (BMI) with hospital admission, same-day complications, and 30-day hospital readmission following day-case eligible joint arthroscopy. Design: Retrospective cohort study. Setting: Multi-institutional. Patients: Adult patients undergoing arthroscopy of the knee, hip or shoulder in the outpatient setting. Intervention: None. Measurements: Using the American College of Surgeons National Surgical Quality Improvement Program dataset from 2012 to 2016, we examined seven BMI ranges: normal BMI (≥20 kg/m2 and <25 kg/m2), underweight (<20 kg/m2), overweight (≥25 kg/m2 and <30 kg/m2), Class 1 and 2 obese (≥30 kg/m2 and <40 kg/m2, reference variable), and severe obesity, which we divided into the following BMI ranges: ≥40 kg/m2 and <50 kg/m2, ≥50 kg/m2 and <60 kg/m2, and ≥60 kg/m2. The primary outcome was hospital admission. Secondary outcomes included same-day postoperative complications and 30-day hospital readmission. We performed multivariable logistic regression and reported odds ratios (OR) and their associated 95% confidence interval (CI) and considered a p-value of <0.05 as statistically significant. Main results: There were a total of 99,410 patients included in the final analysis, in which there was a 2.6% rate of hospital admission. When compared to class 3 obesity, only those with BMI ≥50 kg/m2(OR 1.55, 95% CI 1.18–2.01, p = 0.005) had increased odds of hospital admission. There were no differences in 30-day hospital readmission or same-day postoperative complications. Conclusion: We found that only patients with BMI ≥50 kg/m2 had increased odds for same-day hospital admission even when patient's comorbid conditions are optimized, suggesting that a BMI ≥50 kg/m2 may be used as a sole factor for patient selection in patients undergoing joint arthroscopy. For patients with BMI <50 kg/m2, we recommend that BMI alone should not be solely used to exclude patients from having joint arthroscopies performed in an outpatient setting, especially since this patient group makes up a significant proportion of joint arthroscopy.

Original languageEnglish (US)
Pages (from-to)26-31
Number of pages6
JournalJournal of Clinical Anesthesia
Volume59
DOIs
StatePublished - Feb 2020

Keywords

  • Ambulatory
  • BMI
  • Complications
  • Day surgery
  • Obesity
  • Outpatient surgery

ASJC Scopus subject areas

  • Anesthesiology and Pain Medicine

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