Ensuring the safe handling of hazardous drugs (HDs) must be a primary concern for every health care worker who comes into contact with these medications. Given the potential dangers from improper management, organizations are wise to invest significant time in a comprehensive HD safety program.
Looking at available guidelines, including the 2004 NIOSH alert,1 the ASHP guidelines on handling HDs,2 and proposed USP Chapter <800>,3 the number of steps required to safely compound HDs may appear daunting. However, safe handling of HDs is critical to effectively treating disease. In the health care environment, where facilities continually aim to improve efficiencies and reduce labor and supply costs using Lean methods, it is critical that the number of steps required to ensure the safety of critical tasks, including use of closed system drug-transfer devices (CSTDs), be carefully considered.2,4 Safety steps must never be removed in the interests of efficiency.
Misperceptions Surrounding CSTDs
CSTD use is supported by numerous peer-reviewed studies and guidelines demonstrating the devices’ effectiveness in enhancing HD safety programs and protecting health care workers and patients from HD exposure by reducing the level of HD residue in the environment.5-11
In 2000, the first CSTD was introduced in the US market to reduce the hazards of compounding and administering HDs.12 While this new device clearly improved HD safety, it also impacted productivity compared with the standard needle/syringe Luer-lock practice. However, over the past 15 years, CSTD manufacturers have continually improved the design of these devices, bolstering their efficiency exponentially. Nevertheless, a common misperception that CSTD use increases the time required for drug compounding remains in the minds of many health care workers. This misperception, coupled with continual economic pressure to reduce costs, may cause organizations to falsely believe that they can do without CSTDs. But CSTD use should not be optional; purchasing these devices must be considered part of the cost of doing business in today’s health care environment. And, thankfully, experience shows that with practice and increasing confidence, compounding with CSTDs can be as fast or faster than compounding with the traditional needle and syringe method.13
Comparative Assessment of CSTD Efficiency
A simple method for validating the efficiency of a process is to conduct a demonstrative, time-in-motion, comparative assessment. At Nebraska Methodist Hospital, we conducted a time-in-motion study comparing the time required to compound an IV piggyback dose from a liquid drug vial using three CSTDs: PhaSeal (BD), ChemoLock (ICU Medical), and Equashield.
The goal of this assessment was to determine whether the addition of an FDA ONB-approved CSTD used during the compounding process would have a negative effect on our staff’s productivity. In a previous assessment, Nebraska Methodist Hospital demonstrated that CSTDs used in compounding and administration showed comparable times to needle and syringe methodology; the needle and syringe method was completed in 63 seconds, while compounding with the various CSTDs required between 53 and 98 seconds. For this new assessment, Nebraska Methodist Hospital undertook a bench-top evaluation that quantified the number of steps associated with compounding a simple liquid dose and timed the compounding process.
Sites considering a CSTD should conduct an analysis to assess the impact of CSTDs on their specific pharmacy workflow and to identify any safety and efficacy issues, a process which is paramount to any device acquisition decision.14 In our assessment, five doses were prepared by one pharmacy technician for each CSTD and timed by an independent observer. The compounding was performed in a simulated bench-top setting (in a conference room) using sterile water for injection to simulate a liquid dose of an HD. Laying out the products helps to visualize the steps associated with compounding a simple dose (see FIGURE 1).
The results are presented in FIGURE 2, which summarizes the HD-handling continuum from the initial manufacturing through to the ultimate wasting, and includes a description of each step associated with compounding a dose using the three different CSTDs. The average time required to compound a dose with each CSTD as demonstrated during the product assessment process also is included. The time-motion study revealed that although the number of seconds required to compound a dose varied among the different devices, none of the CSTDs required more than one-and-a-half minutes per dose, meaning none were time-prohibitive in a clinical environment.
Value of a Time-Motion Assessment
Understanding the impact of CSTDs on pharmacy compounding workflow and output is critical. In addition to safety, CSTDs should facilitate efficiency. Critically reviewing the steps for using each CSTD and summarizing the differences in mechanical manipulation can help assess the time required to compound CSPs using CSTDs (see TABLE 1).
Once the numbers of steps required and the time for the compounding process are determined, multiplying these metrics by the number of doses compounded daily, weekly, and annually will allow managers to quantify the time required for compounding over a given time period. In this way, managers can determine workload requirements and monitor the need for additional personnel or the reduction of hours based on changing compounding volume.
Limitations of Time-Motion Assessments
When conducting a time-motion assessment, note that times may vary based on the user’s experience and expertise with each device and be impacted by their compounding knowledge in general. Therefore, it is important that sites conduct such assessments with staff that regularly use these devices.
CSTD Characteristics to Consider
When choosing a CSTD, it is wise to consider a variety of features, including effective containment and efficiency. Simple, intuitive connections ensure consistent use and ease the staff training process, while a secure locking mechanism is required for complete connections. The availability of pre-bonded components and efficient packaging (see Figure 1) also increase efficiency. Use of a vial-mounting device promotes stability during the compounding process. Other features to consider include pre-purging displacement air in the system, and the wetting potential of filters. Finally, limiting the number of steps in the overall process is a clear benefit. TABLE 2 summarizes the features of CSTDs that should be considered for efficiency.
The risk of repetitive motion injuries is a long-standing issue in health systems, and avoiding repetitive strain is an important staffing concern, particularly in health systems that require high-volume compounding. Therefore, it is important to consider the number and ease of required connections when evaluating the impact a new device will have on users.
In addition, choosing a single device is ideal, as this approach saves time, helps control costs, and minimizes line items and training. However, employing more than one device may bring additional levels of efficiency to the compounding process and is acceptable as long as the chosen devices maintain the attributes of a CSTD as defined by NIOSH.1
CSTDs are proven to reduce exposure to HDs during the drug compounding and administration processes. Contrary to common belief, when staff is properly trained and are experienced CSTD users, the time required to compound CSPs using CSTDs does not differ significantly from the time it takes to compound with a needle and syringe. Although this analysis shows variability in the time required for compounding using the three CSTDs evaluated, all the CSTDs increase safety without adding an untenable amount of time or work to the process.
Given the importance of HD containment, incorporating CSTDs into the compounding and administration processes is no longer optional. Organizations must identify which CSTD best suits their needs and adopt these safety devices into their workflow to ensure staff and patient safety.
Fouzia Berdi, PharmD, is an ASHP PGY-1 pharmacy resident at Nebraska Methodist Hospital in Omaha. She received her pharmacy degree from Creighton University.
Michael F. Powell, MS, FASHP, is the executive director, pharmaceutical and nutrition care, at Nebraska Medicine, and associate professor and associate dean for hospital affairs at The University of Nebraska Medical Center College of Pharmacy. Michael received his pharmacy degree from Ohio State and his MS from the University of Maryland.
Christine Sanz, RPh, is a pharmacist at Omaha Children’s Medical Center and Clinics, where she has worked for 26 years. She received her pharmacy degree from Creighton University.
Richard Gonzalez, PharmD, MBA, is a sterile compounding specialist at Nebraska Methodist Hospital, where he has worked for 6 years. He received his pharmacy degree from Creighton University.
Firouzan “Fred” Massoomi, PharmD, FASHP, received his doctorate from the University of Kansas School of Pharmacy and is the pharmacy operations coordinator at the Nebraska Methodist Hospital in Omaha. He currently serves on the Nebraska Pharmacists Association Board of Directors.
- Centers for Disease Control and Prevention. National Institute for Occupational Safety and Health. Preventing Occupational Exposures to Antineoplastic and Other Hazardous Drugs in Health Care Settings. http://www.cdc.gov/niosh/docs/2004-165/. Accessed June 16, 2015.
- American Society of Health System Pharmacists Council on Professional Affairs. ASHP Guidelines on Handling Hazardous Drugs. Am J Health-Syst Pharm. 2006;63:1172-1193.
- United States Pharmacopeial Convention. General Chapter <800> Hazardous Drugs—Handling in Healthcare Settings. http://www.usp.org/usp-nf/notices/general-chapter-hazardous-drugs-handling-healthcare-settings. Accessed June 16, 2015.
- Lamm MH, Eckel S, Daniels R, Amerine LB. Using lean principles to improve outpatient adult infusion clinic chemotherapy preparation turnaround times. Am J Health-Syst Pharm. 2015;72(13):1138-1146.
- Connor TH, Anderson RW, Sessink PJ, et al. Effectiveness of a closed-system device in containing surface contamination with cyclophosphamide and ifosfamide in an i.v. admixture area. Am J Health-Syst Pharm. 2002;59(1):68-72.
- Spivey S, Connor TH. Determination of sources of workplace contamination with antineoplastic drugs and comparison of conventional IV drug preparation versus a closed system. Hosp Pharm. 2003;38:135-139.
- Wick C, Slawson MH, Jorgenson JA, et al. Using a closed-system protective device to reduce personnel exposure to antineoplastic agents. Am J Health-Syst Pharm. 2003;60(22):2314-2320.
- Harrison BR, Peters BG, Bing MR. Comparison of surface contamination with cyclophosphamide and fluorouracil using a closed-system drug transfer device versus standard preparation techniques. Am J Health-Syst Pharm. 2006;63(18):1736-1744.
- Nyman H, Jorgenson J, Slawson MH. Workplace contamination with antineoplastic agents in a new cancer hospital using a closed-system drug transfer device. Hosp Pharm. 2007;42:219-225.
- Sessink PJM, Connor TH, Jorgenson JA, Tyler TG. Reduction in surface contamination with antineoplastic drugs in 22 hospital pharmacies in the US following implementation of a closed-system drug transfer device. J Oncol Pharm Pract. 2011;17(1):39-48.
- Clark BA, Sessink PJ. Use of a closed system drug-transfer device eliminates surface contamination with antineoplastic agents. J Oncol Pharm Pract. 2013;19(2):99-104.
- Sessink PJM, Rolf ME, Ryden NS. Evaluation of the PhaSeal Hazardous Drug Containment System. Hosp Pharm. 1999;34:1311-1317.
- Knolla K, Greisen D, Massoomi F. Time and motion study of 5 closed system transfer devices for IV chemotherapy drug compounding and administration. Poster presented at: American Society of Health-System Pharmacists Clinical Midyear Meeting; December 2011; New Orleans, Louisiana.
- Kicenuik K, Northrup N, Dawson A, et al. Treatment time, ease of use and cost associated with use of Equashield™, PhaSeal®, or no closed system transfer device for administration of cancer chemotherapy to a dog model [published online ahead of print April 10, 2015]. Vet Comp Oncol. doi: 10.1111/vco.12148.
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