Femoral fit in ABG-II does not predict certain radiological changes, but less proximal bone resorption confirms the design changes from ABG-I to ABG-II. A non-tight proximal fit is correlated with varus position of the stem. Thigh pain is correlated with a poor fit and fill of the femoral stem.
Surgical organizations dedicated to the improvement of patient outcomes have led to a worldwide paradigm shift in perioperative patient care. Since 2012, the Enhanced Recovery After Surgery (ERAS®) Society has published guidelines pertaining to perioperative care in numerous disciplines including elective colorectal and gynecologic/oncology surgery patients. The ERAS® and ERAS-USA® Societies use standardized methodology for collecting and assessing various surgical parameters in real-time during the operative process. These multi-disciplinary groups have constructed a bundled framework of perioperative care that entails 22 specific components of clinical interventions, which are logged in a central database, allowing a system of audit and feedback. Of these 22 recommendations, nine of them specifically involve the use of medications or pharmacotherapy. This retrospective comparative pharmacotherapy project will address the potential need to (1) collect more specific pharmacotherapy data within the existing ERAS Interactive Audit System® (EIAS) program, (2) understand the relationship between medication regimen and patient outcomes, and (3) minimize variability in pharmacotherapy use in the elective colorectal and gynecologic/oncology surgical cohort. Primary outcomes measures include data related to surgical site infections, venous thromboembolism, and post-operative nausea and vomiting as well as patient satisfaction, the frequency and severity of post-operative complications, length of stay, and hospital re-admission at 7 and 30 days, respectively. The methodology of this collaborative research project is described.
Background
Pharmacotherapy prophylaxis embedded in Enhanced Recovery After Surgery (ERAS®) protocols is largely unknown because data related to agent choice, dosing, timing, and duration of treatment currently are not collected in the ERAS Interactive Audit System (EIAS®). This exploratory retrospective randomized cohort study characterized pharmacologic regimens pertaining to prophylaxis of surgical site infections (SSI), venous thromboembolism (VTE), and post-operative nausea and vomiting (PONV).
Materials and methods
The records of 250 randomly-selected adult patients that underwent elective colorectal (CR) and gynecologic/oncology procedures (GO) at an ERAS® site in North America were abstracted using REDCap. In addition to descriptive statistics, bivariate associations between categorical variables were compared.
Results
Rates of SSI, VTE, & PONV were 3.3%, 1.1%, and 53.6%, respectively. Mean length of stay (LOS) for CR was 6.9 days and for GO, 3.5 days (p < 0.001). The most common antibiotic prophylaxis was one-time combination cefazolin 2 g and metronidazole 500 mg between 16 and 30 min preoperatively after chlorhexidine skin preparation. The most frequent VTE prophylaxis was tinzaparin 4500 units SC daily continued for at least 7 days after hospital discharge in oncology patients. PONV was related to longer LOS in both groups. Total morphine milligram equivalents (MME) was positively related to PONV and LOS in both CR & GO groups.
Conclusion
Guideline-consistent pharmacologic prophylaxis for SSI and VTE for both CR and GO patients was associated with low complication, LOS, and readmission rates. LOS in both groups was highly influenced by total MME, incidence of PONV and multi-modal anesthesia.
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