Objective To study the association between diabetes status, perioperative hyperglycemia, and adverse events in a statewide surgical cohort. Background Perioperative hyperglycemia may increase the risk of adverse events more significantly in patients without diabetes (NDM) than in those with diabetes (DM). Methods Using data from the Surgical Care and Outcomes Assessment Program, a cohort study (2010–2012) evaluated diabetes status, perioperative hyperglycemia, and composite adverse events in abdominal, vascular, and spine surgery at 53 hospitals in Washington State. Results Among 40,836 patients (mean age, 54 years; 53.6% women), 19% had diabetes; 47% underwent a perioperative blood glucose (BG) test, and of those, 18% had BG ≥180 mg/dL. DM patients had a higher rate of adverse events (12% vs 9%, P < 0.001) than NDM patients. After adjustment, among NDM patients, those with hyperglycemia had an increased risk of adverse events compared with those with normal BG. Among NDM patients, there was a dose-response relationship between the level of BG and composite adverse events [odds ratio (OR), 1.3 for BG 125–180 (95% confidence interval (CI), 1.1–1.5); OR, 1.6 for BG ≥180 (95% CI, 1.3–2.1)]. Conversely, hyperglycemic DM patients did not have an increased risk of adverse events, including those with a BG 180 or more (OR, 0.8; 95% CI, 0.6–1.0). NDM patients were less likely to receive insulin at each BG level. Conclusions For NDM patients, but not DM patients, the risk of adverse events was linked to hyperglycemia. Underlying this paradoxical effect may be the underuse of insulin, but also that hyperglycemia indicates higher levels of stress in NDM patients than in DM patients.
IMPORTANCE In the traditional model of acute appendicitis, time is the major driver of disease progression; luminal obstruction leads inexorably to perforation without timely intervention. This perceived association has long guided clinical behavior related to the timing of appendectomy. OBJECTIVE To evaluate whether there is an association between time and perforation after patients present to the hospital. DESIGN, SETTING, AND PARTICIPANTS Using data from the Washington State Surgical Care and Outcomes Assessment Program (SCOAP), we evaluated patterns of perforation among patients (≥18 years) who underwent appendectomy from January 1, 2010, to December 31, 2011. Patients were treated at 52 diverse hospitals including urban tertiary centers, a university hospital, small community and rural hospitals, and hospitals within multi-institutional organizations. MAIN OUTCOMES AND MEASURES The main outcome of interest was perforation as diagnosed on final pathology reports. The main predictor of interest was elapsed time as measured between presentation to the hospital and operating room (OR) start time. The relationship between in-hospital time and perforation was adjusted for potential confounding using multivariate logistic regression. Additional predictors of interest included sex, age, number of comorbid conditions, race and/or ethnicity, insurance status, and hospital characteristics such as community type and appendectomy volume. RESULTS A total of 9048 adults underwent appendectomy (15.8% perforated). Mean time from presentation to OR was the same (8.6 hours) for patients with perforated and nonperforated appendicitis. In multivariate analysis, increasing time to OR was not a predictor of perforation, either as a continuous variable (odds ratio = 1.0 [95% CI, 0.99-1.01]) or when considered as a categorical variable (patients ordered by elapsed time and divided into deciles). Factors associated with perforation were male sex, increasing age, 3 or more comorbid conditions, and lack of insurance. CONCLUSIONS AND RELEVANCE There was no association between perforation and in-hospital time prior to surgery among adults treated with appendectomy. These findings may reflect selection of those at higher risk of perforation for earlier intervention or the effect of antibiotics begun at diagnosis but they are also consistent with the hypothesis that perforation is most often a prehospital occurrence and/or not strictly a time-dependent phenomenon. These findings may also guide decisions regarding personnel and resource allocation when considering timing of nonelective appendectomy.
IMPORTANCE Nonsteroidal anti-inflammatory drugs (NSAIDs) have many physiologic effects and are being used more commonly to treat postoperative pain, but recent small studies have suggested that NSAIDs may impair anastomotic healing in the gastrointestinal tract. OBJECTIVE To evaluate the relationship between postoperative NSAID administration and anastomotic complications. DESIGN, SETTING, AND PARTICIPANTS Retrospective cohort study of 13 082 patients undergoing bariatric or colorectal surgery at 47 hospitals in Washington State from January 1, 2006, through December 31, 2010, using data from the Surgical Care and Outcomes Assessment Program linked to the Washington State Comprehensive Abstract Reporting System. EXPOSURE NSAID administration beginning within 24 hours after surgery. MAIN OUTCOMES AND MEASURES We used multivariate logistic regression modeling to assess the risk for anastomotic complications (reoperation, rescue stoma, revision of an anastomosis, and percutaneous drainage of an abscess) through 90 days after bariatric and colorectal surgery involving anastomoses. RESULTS Of the 13 082 patients (mean [SD] age, 58.1 [15.8] years; 60.7% women), 3158 (24.1%) received NSAIDs. The overall 90-day rate of anastomotic leaks was 4.3% for all patients (151 patients [4.8%] in the NSAID group and 417 patients [4.2%] in the non-NSAID group; P = .16). After risk adjustment, NSAIDs were associated with a 24% increased risk for anastomotic leak (odds ratio, 1.24 [95% CI, 1.01–1.56]; P = .04). This association was isolated to nonelective colorectal surgery, for which the leak rate was 12.3% in the NSAID group and 8.3% in the non-NSAID group (odds ratio, 1.70 [95% CI, 1.11–2.68]; P = .01). CONCLUSIONS AND RELEVANCE Postoperative NSAIDs were associated with a significantly increased risk for anastomotic complications among patients undergoing nonelective colorectal resection. To determine the role of NSAIDs in colorectal surgery, future evaluations should consider specific formulations, the dose effect, mechanism, and other relevant outcome domains, including pain control, cardiac complications, and overall recovery.
There are increasing efforts towards improving the quality and safety of surgical care while decreasing the costs. In Washington state, there has been a regional and unique approach to surgical quality improvement. The development of the Surgical Care and Outcomes Assessment Program (SCOAP) was first described 5 years ago. SCOAP is a peer-to-peer collaborative that engages surgeons to determine the many process of care metrics that go into a “perfect” operation, track on risk adjusted outcomes that are specific to a given operation, and create interventions to correct under performance in both the use of these process measures and outcomes. SCOAP is a thematic departure from report card oriented QI. SCOAP builds off the collaboration and trust of the surgical community and strives for quality improvement by having peers change behaviors of one another. We provide, here, the progress of the SCOAP initiative and highlight its achievements and challenges.
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