Association Between Preoperative Hemoglobin A1c Levels, Postoperative Hyperglycemia, and Readmissions Following Gastrointestinal Surgery

被引:68
作者
Jones, Caroline E. [1 ,2 ]
Graham, Laura A. [1 ,2 ]
Morris, Melanie S. [1 ,2 ]
Richman, Joshua S. [1 ,2 ]
Hollis, Robert H. [1 ,2 ]
Wahl, Tyler S. [1 ,2 ]
Copeland, Laurel A. [3 ]
Burns, Edith A. [4 ]
Itani, Kamal M. F. [5 ,6 ]
Hawn, Mary T. [7 ,8 ]
机构
[1] Univ Alabama Birmingham, Dept Surg, Birmingham, AL USA
[2] Birmingham Vet Adm Hosp, Birmingham, AL USA
[3] Cent Texas Vet Hlth Care Syst, Temple, TX USA
[4] Clement J Zablocki Vet Affairs Med Ctr, Milwaukee, WI USA
[5] Vet Affairs Boston Hlth Care Syst, Boston, MA USA
[6] Tufts Univ, Sch Med, Dept Surg, Boston, MA 02111 USA
[7] Stanford Univ, Dept Surg, Palo Alto, CA 94304 USA
[8] Vet Affairs Palo Alto Hlth Care Syst, Palo Alto, CA USA
关键词
SURGICAL SITE INFECTION; IN-HOSPITAL MORTALITY; GLYCEMIC CONTROL; PERIOPERATIVE HYPERGLYCEMIA; 30-DAY READMISSION; GLUCOSE-LEVELS; OUTCOMES; RISK; CARE;
D O I
10.1001/jamasurg.2017.2350
中图分类号
R61 [外科手术学];
学科分类号
摘要
IMPORTANCE Preoperative hyperglycemia is associated with adverse postoperative outcomes among patients who undergo surgery. Whether preoperative hemoglobin A(1c) (HbA(1c)) or postoperative glucose levels are more useful in predicting adverse events following surgery is uncertain in the current literature. OBJECTIVE To examine the use of preoperative HbA(1c) and early postoperative glucose levels for predicting postoperative complications and readmission. DESIGN, SETTING, AND PARTICIPANTS In this observational cohort study, inpatient gastrointestinal surgical procedures performed at 117 Veterans Affairs hospitals from 2007 to 2014 were identified, and cases of known infection within 3 days before surgery were excluded. Preoperative HbA(1c) levels were examined as a continuous and categorical variable (< 5.7%, 5.7%-6.5%, and >6.5%). A logistic regression modeled postoperative complications and readmissions with the closest preoperative HbA(1c) within 90 days and the highest postoperative glucose levels within 48 hours of undergoing surgery. MAIN OUTCOMES AND MEASURES Postoperative complications and 30-day unplanned readmission following discharge. RESULTS Of 21 541 participants, 1193 (5.5%) were women, and the mean (SD) age was 63.7 (10.6) years. The cohort included 23 094 operations with measurements of preoperative HbA(1c) levels and postoperative glucose levels. The complication and 30-day readmission rates were 27.2% and 14.7%, respectively. In logistic regression models adjusting for HbA(1c), postoperative glucose levels, postoperative insulin use, diabetes, body mass index (calculated as weight in kilograms divided by height in meters squared), and other patient and procedural factors, peak postoperative glucose levels of more than 250mg/dL were associated with increased 30-day readmissions (odds ratio, 1.18; 95% CI, 0.99-1.41; P =.07). By contrast, a preoperative HbA(1c) of more than 6.5% was associated with decreased 30-day readmissions (odds ratio, 0.85; 95% CI, 0.74-0.96; P =.01). As preoperative HbA(1c) increased, the frequency of 48-hour postoperative glucose checks increased (4.92, 6.89, and 9.71 for an HbA(1c) < 5.7%, 5.7%-6.4%, and > 6.5%, respectively; P <.001). Patients with a preoperative HbA(1c) of more than 6.5% had lower thresholds for postoperative insulin use. CONCLUSIONS AND RELEVANCE Early postoperative hyperglycemia was associated with increased readmission, but elevated preoperative HbA(1c) was not. A higher preoperative HbA(1c) was associated with increased postoperative glucose level checks and insulin use, suggesting that heightened postoperative vigilance and a lower threshold to treat hyperglycemia may explain this finding.
引用
收藏
页码:1031 / 1038
页数:8
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