Impact of Surgical Postponements due to Covid-19 on Weight and Metabolic Parameters in Bariatric Surgery in Germany: Monocentric Experiences and Considerations in a National Context

Obes Surg. 2023 Aug;33(8):2375-2383. doi: 10.1007/s11695-023-06669-1. Epub 2023 Jul 1.

Abstract

Background: Due to Covid-19, elective medical procedures were partly postponed to reduce the burden on the medical system. The impact of these effects in bariatric surgery and their individual consequences remain unknown.

Materials/methods: In a retrospective monocentric analysis, all bariatric patients at our centre between 01/2020 and 12/2021 were investigated. All patients with postponed surgery due to pandemic were analysed regarding weight change and metabolic parameters. In addition, we performed a nationwide cohort study of all bariatric patients in 2020 using billing data provided by the Federal Statistical Office. Population adjusted procedure rates of 2020 were compared to 2018/2019.

Results: Seventy-four patients (42.5%) out of 174 scheduled for bariatric surgery were postponed due to pandemic-related limitations, and 47 (63.5%) patients waited longer than 3 months. Mean postponement was 147.7 days. Apart from outliers (6.8% of all patients), mean weight (+0.9 kg) and body mass index (+0.3 kg/m2) remained stable. HbA1c increased significantly in patients with a postponement longer than 6 months (p = 0.024) and in diabetic patients (+0.18% vs -0.11 in non-diabetic, p = 0.042). In the Germany-wide cohort, the overall reduction of bariatric procedures in the first lockdown (04-06/2020) was -13.4% (p = 0.589). In the second lockdown (10-12/2020), there was no nationwide detectable reduction (+3.5%, p = 0.843) but inter-state differences. There was a catch-up in the interim months (+24.9%, p = 0.002).

Conclusion: For future lockdowns or other healthcare bottleneck circumstances, the impact of postponement in bariatric patients has to be addressed and prioritization of vulnerable patients (e.g. diabetics) should be considered.

Keywords: Bariatric surgery; Covid-19 pandemic; Surgical postponement in diabetic patients; Weight/BMI change.

MeSH terms

  • Bariatric Surgery*
  • COVID-19* / epidemiology
  • Cohort Studies
  • Communicable Disease Control
  • Germany / epidemiology
  • Humans
  • Obesity, Morbid* / surgery
  • Retrospective Studies