Value of pharmacy services in an outpatient, preoperative, anesthesia clinic

Established and emerging roles for pharmacy in operating theatres: a scoping review

BACKGROUND

Pharmacy services at surgical pre-assessment clinics and on inpatient wards are well-documented, but services to theatre appear comparatively under-developed. High-risk and high-cost medicines are used routinely in theatre; pharmacists are well-qualified to optimise their use and improve patient care.

AIM

To determine the range, extent and nature of pharmacy services to theatre internationally, and to describe any reported outcomes of these services.

METHOD

This scoping review was conducted and reported as per PRISMA-ScR and Joanna Briggs Institute methodology. A search was conducted across MEDLINE, Embase, CINAHL, PsycInfo, Bielefeld Academic Search Engine, Canada's Drug and Health Technology Agency, Google and Google Scholar in April 2023. One reviewer screened titles and abstracts. Two reviewers screened full texts. Data extraction was completed by one reviewer. Two reviewers used the Mixed Methods Appraisal Tool (MMAT) to perform quality appraisal. For work completed by one reviewer, a 10% sample was randomly selected for screening by a second reviewer.

RESULTS

Ninety-two publications were included from 3924. Fifty-seven were primary research articles. Other publication types included conference abstracts, journal columns, letters to the editor, practice standards/guidelines, opinion papers, narrative reviews and newsletter articles. Medication management and clinical services across five continents were described. Most reported outcomes related to cost savings. Nine of the 57 articles met the criteria for MMAT appraisal: of these, adherence to quality criteria ranged from 40 to 100%.

CONCLUSION

Evidence for theatre pharmacy services is extensive and varied. Empirical research of high methodological quality is required to assess the outcomes of these services.

Electronic pharmaceutical record for best possible medication history at preoperative evaluation to prevent postoperative adverse events: a quasi-experimental study

BACKGROUND

Access to reliable data about patient's medications before surgery represents a challenge for reducing the risk of postoperative adverse events (AE) potentially related to preoperative treatment.

OBJECTIVE

To evaluate the impact on AE of a nationwide ambulatory electronic pharmaceutical record (EPR) used by a pharmacist for best possible medication history (BPMH), associated with the preoperative evaluation.

METHODS

This quasi-experimental comparative interventional study included 750 adult patients with an available EPR, admitted to the preoperative clinic for elective orthopaedic surgery, between April 2014 and April 2017. Data analysis was completed in September 2022. In the intervention group, a pharmacist performed the BPMH using the EPR, before the patient's medical evaluation. In the control group, there was conventional preoperative evaluation. The primary outcome was the number of patients with at least one AE collected by using the trigger tool method, within 30 days after surgery. Secondary outcomes were the number of medications reported in the medical record and the number of patients with at least one documented adverse drug event (ADE) by an independent committee within 30 days after surgery.

RESULTS

Of 1924 patients admitted to the preoperative clinic, 750 patients who had a record (39%) were included (153 (41%) men; median age 61 (49-71 and 50-70) years in both groups), 375 in each group. There was a 29% reduction in the proportion of patients with at least one AE in the intervention group (110/374 patients (29%) with 165 AE vs 156/372 patients (42%) with 233 AE) (OR 0.58 (0.43-0.78), p<0.01). There were significantly more drugs reported on the medical record in the intervention group (3 (1-5) vs 2 (1-4), p<0.01). There was no significant difference between the two groups in the number of patients with ADE (71/374 patients (19%) with 96 ADE vs 80/372 patients (22%) with 108 ADE, p=0.44).

CONCLUSIONS AND RELEVANCE

A BPMH performed by a pharmacist using a nationwide EPR at the time of preoperative evaluation contributed to reducing AE, potentially preventing harm to patients.

TRIAL REGISTRATION NUMBER

NCT02071472.

Characterizing medication safety incidents in surgical patients: a retrospective cross-sectional analysis of incident reports

Background

Medication-related safety incidents (MSIs) are among the most frequent contributors to preventable harm in hospital patients. There is a paucity of research that explores the factors that contribute to MSIs across the departments of high-risk specialties such as surgery.

Objectives

To characterize MSIs involving surgical patients across two secondary care sites at a University Health Board.

Design

Retrospective cross-sectional convergent analysis of anonymous MSI reports extracted from the risk management system between 1st January 2017 and 31st October 2020 was undertaken.

Methods

Incident reports contained categorical data pertaining to the type and nature of the incident as well as free-text reporter accounts. Categorical data were analyzed quantitatively, undergoing descriptive analysis using IBM SPSS Statistics © software (Version 26.0.01; 2019). Content analysis of free-text responses was undertaken using the Organizational Accident Causation model as the underpinning theoretical framework.

Results

Of a total of 670 incidents, most MSIs did not result in harm (n = 495, 73.9%). Most MSIs occurred during administration (n = 439, 65.5%). Half of the incidents (n = 335, 50%) were related to one of three medication types: opioids, antimicrobials, and antithrombotic agents. Communication failures were the most frequent error-producing condition (n = 39, 5.8%) and drug omission was the most frequent active failure (n = 156, 23.3%).

Conclusion

To the knowledge of the authors, this is the first study in the United Kingdom that reports the medications most frequently involved in MSI reports for surgical patients. Staff in the surgical setting should be informed of the high frequency of incidents involving opioids, antimicrobials, heparin, and other antithrombotic agents as they appear in half of MSI reports in the surgical setting. Further research should explore administration error reduction strategies as well as tools to improve communication between staff to mitigate the risk of medicines-related harm associated with key medications.

Evaluation of pharmacists' role in preoperative medication review in a Veterans Affairs Health Care System

PURPOSE

Use of high-risk medications preoperatively may increase the incidence of postoperative complications. Available literature evaluating pharmacists' role in preoperative medication review is limited, and guidance is not currently available on which patients should have a medication review performed by a pharmacist before surgery. A preoperative rehabilitation pilot project in which clinical pharmacists reviewed medication profiles before scheduled surgeries was developed. This review aimed to evaluate pharmacists' role in reviewing medication profiles preoperatively and to identify specific patient factors that suggest a medication review is warranted.

METHODS

This retrospective review utilized the electronic medical records of nonfrail adults undergoing preplanned surgeries enrolled in the pilot project from August 2021 to April 2022. Endpoints were determined using descriptive statistics and regression models. A multivariate analysis was performed evaluating high-risk medications and VIONE (Vital, Important, Optional, Not indicated, and Every medication has an indication) polypharmacy risk score.

RESULTS

Forty patients were included, with at least one recommendation made in 83% of chart reviews. Many patients (95%) were taking at least one high-risk medication. Of the high-risk medication classes evaluated independently, only antiplatelets were predictive of pharmacy intervention (P = 0.01). Only high-risk medications were independently predictive of pharmacist intervention (P < 0.01) when multivariate analysis was performed.

CONCLUSION

Pharmacists made a recommendation in the majority of medication reviews and were most likely to make a recommendation in patients taking high-risk medications. A larger sample size may provide more insight regarding patient-specific factors warranting a preoperative medication review.

Introduction of a Multidisciplinary Preoperative Clinic at Juntendo University Hospital - A Retrospective Observational Study Focusing on Effects of Preoperative Interventions on Clinical Outcomes

Objectives

To investigate the effects of interventions provided by a multidisciplinary team consisting of anesthesiologists, dentists, pharmacists, and nurses at a Preoperative Clinic (POC) on postoperative outcomes.

Methods

We retrospectively investigated patients who underwent preoperative evaluation at the POC at Juntendo University Hospital between May and July, 2019. Patients were divided into intervention and non-intervention groups according to whether they received intervention(s) at the POC or not. Postoperative outcomes were compared between the groups, before and after propensity score (PS) matching.

Results

We investigated 909 patients who completed POC evaluation and underwent surgery. Patients in the intervention group (n = 455 [50.1%]) received at least one intervention delivered, in the order of higher delivery frequencies, by dentists, pharmacists, nurses, and anesthesiologists. Before PS matching, the intervention group was associated with older age, more frequent cardiovascular comorbidities, and higher ASA-PS grades than the non-intervention group, while neither frequencies nor severities of postoperative complications differed between the groups. These outcomes did not differ between 382 PS-matched pairs with comparable risk factors either.

Conclusions

Before PS matching, postoperative outcomes did not differ between the groups, although the intervention group was associated with higher risks. These suggested that POC interventions could have improved postoperative outcomes in the higher-risk intervention group to the same level as in the non-intervention group. However, such potential beneficial effects of interventions could not be proven after PS matching. Further studies are required to elucidate effects of POC interventions on postoperative outcomes.

Value of pharmacy services upon admission to an orthopedic surgery unit

BACKGROUND

In Lebanon, the role of the pharmacist remains underestimated in the medication reconciliation process, especially in surgical departments. This study aims to assess the impact of pharmacist-conducted medication reconciliation performed within 48 h of hospital admission to the orthopedic surgical department.

METHODS

This was a prospective single-arm study conducted in a tertiary-care teaching hospital in Lebanon between October 2019 and April 2020. Participants were adult inpatients hospitalized for orthopedic surgeries with ≥ 1 outpatient medications. Properly trained pharmacy resident obtained the Best Possible Medication History (BPMH) and led the reconciliation process. The primary endpoint was the number of reconciliation errors (REs) identified. Descriptive statistics were used to report participants' responses and relevant findings. Linear regression was performed with the number of REs as a continuous dependent variable using backward method. Results were assumed to be significant when p was < 0.05.

RESULTS

The study included 100 patients with a mean age of 73.8 years, admitted for elective (54%) or emergency (46%) surgeries. Half of the study population had ≥ 5 home medications. The mean time for taking BPMH was around 8 min. A total of 110 REs were identified in 74 patient cases. The most common discrepancies consisted of medication omission (89.1%) and the most common medications involved were antihyperlipidemic agents. Twenty-four REs were judged as clinically significant, and four as serious. The most common interventions included the addition of a medication (71.9%). Most of the relayed interventions (84.5%) were accepted. The number of home medications was the only variable significantly associated with the number of REs (β 0.492; p < 0.001).

CONCLUSION

Pharmacy-led medication reconciliation upon admission to orthopedic surgery department can reduce reconciliation errors and improve medication safety.

TRIAL REGISTRATION

Retrospectively registered in the Lebanon Clinical Trials Registry (LBCTR2020124680).