• Robert B Schonberger, Feng Dai, Cynthia Brandt, and Matthew M Burg.
• Department of Anesthesiology, Yale School of Medicine. Electronic address: robert.schonberger@yale.edu.
• J. Cardiothorac. Vasc. Anesth. 2016 Jun 1; 30 (3): 671679671-9.

ObjectivesAmong a national cohort of surgical patients, the authors analyzed the association between medical follow-up during the first postsurgical year and survival during the second postsurgical year.DesignRetrospective cohort study.SettingUS Veterans Hospitals.ParticipantsThe study included adults who received surgical care in any Veterans Health Administration facility from 2006 to 2011 who were discharged within 10 days of surgery and who survived for at least 1 year postoperatively.InterventionsNone.Measurements And Main ResultsThe association between the receipt of nonsurgical ambulatory medical care during the first postoperative year and the hazard of death during postsurgical year 2 was measured. Among 236,200 veterans, 93.2% received a nonsurgical medical follow-up visit in postsurgical year 1; of those, 5.1% died during postsurgical year 2. This compares with 9.4% year-2 mortality among patients lacking year-1 medical follow-up (p<0.0001). After adjustment for confounders, medical follow-up in postoperative year 1 again was associated with a significantly lower hazard of death in postoperative year 2 (hazard ratio 0.71; 95% confidence interval 0.66-0.78). Sensitivity analyses examining patient subgroups stratified by procedural specialty demonstrated comparable findings. The results were robust under a variety of simulated scenarios of unmeasured confounding.ConclusionsWithin a national cohort of US veterans who presented for surgery, those who received nonsurgical ambulatory follow-up during the first postoperative year demonstrated lower all-cause mortality in the subsequent postoperative year than those who did not receive the same type of follow-up care. Interventions focused on postoperative care coordination of outpatient medical follow-up may have the potential to improve long-term postoperative survival.Copyright © 2016. Published by Elsevier Inc.

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