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. 2021 Mar;45(3):596-606.
doi: 10.1002/jpen.1862. Epub 2020 Jun 3.

Postoperative Utilization of Oral Nutrition Supplements in Surgical Patients in US Hospitals

David G A Williams  1   2 , Tetsu Ohnuma  1 , Vijay Krishnamoorthy  1 , Karthik Raghunathan  1 , Suela Sulo  3 , Bridget A Cassady  3 , Refaat Hegazi  3   4 , Paul E Wischmeyer  1   2
Affiliations

Postoperative Utilization of Oral Nutrition Supplements in Surgical Patients in US Hospitals

David G A Williams et al. JPEN J Parenter Enteral Nutr. 2021 Mar.

Abstract

Background: Postoperative nutrition delivery is essential to surgical recovery; unfortunately, postoperative dietary intake is often poor. Recent surgical guidelines recommend use of oral nutritional supplements (ONS) to improve nutrition delivery. Our aim was to examine prevalence of coded ONS use over time and coded malnutrition rates in postoperative patients.

Methods: The Premier Healthcare Database (PHD) was queried for postoperative patients found to have charges for ONS between 2008-2014. ONS use identified via charge codes. Descriptive statistics utilized to examine prevalence of malnutrition and ONS utilization. Multilevel, multivariable logistic regression models were fit to examine factors associated with ONS use.

Results: A total of 2,823,532 surgical encounters were identified in PHD in 172 hospitals utilizing ONS charge codes. ONS-receiving patients were 72% Caucasian, 65% Medicare patients with mean age of 66 ± 16.5 years. Compared with patients not receiving ONS, ONS patients had higher van Walraven severity scores (7.3 ± 7.8 vs 2.3 ± 5.6, P < .001) with greater comorbidities. Overall coded malnutrition prevalence was 4.3%. Coded malnutrition diagnosis increased from 4.4% to 5.2% during study period. Only 15% of malnourished patients received ONS. Individual hospital practice explained much of variation in early postoperative ONS use.

Conclusion: In this large surgical population, inpatient ONS use is most common in older, Caucasian, Medicare patients with high comorbidity burden. Despite increased malnutrition during study period, observed ONS prescription rate did not increase. Our data indicate current ONS utilization in surgical patients, even coded with malnutrition, is limited and is a critical perioperative quality improvement opportunity.

Keywords: colorectal surgery; coronary artery bypass grafting; health outcomes; malnutrition; nutrition; oral nutrition supplement; postoperative; surgery.

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