Tools
Use and Application Of MAUDE In Patient Safety
Definition/Introduction
The world health organization defines patient safety as the “absence of preventable harm to a patient during the process of health care and reduction of risk of unnecessary harm associated with health care to an acceptable minimum.”[1] Each day hundreds of thousands of medical devices are utilized for delivering care to patients. As healthcare professionals, it is imperative that we prevent errors, apply lessons learned from our past errors to improve future patient outcomes. The Manufacturer and User Facility Device Experience (MAUDE) database is an online searchable and publicly accessible repository developed by the United States Food and Drug Administration (FDA) for systematic data collection of adverse outcomes related to the medical devices.[2][3]
The FDA classifies medical devices into three categories. Class I and II are low and intermediate-risk, respectively, and require 510k for market approval. Class III devices belong to the highest risk category, and a premarket approval application (PMA) is generally required for their premarket approval. The MAUDE database is maintained by the Center for Devices and Radiological Health (CDRH), a branch of the US FDA responsible for protecting public health. As of 2017, the database had more than 4 million recorded events, with approximately 2000 new reports submitted daily.[4]
The search within the MAUDE database is limited to adverse events reported over a 10-year time period. The reporting can be either mandatory (for manufacturers, importers, and device user facilities) or voluntary (for healthcare professionals, patients, caregivers, and consumers). The operators and device manufacturers submit their reports to the database after an adverse event or device failure is encountered. Each medical device report contains information regarding the device used, the model number, the date of the event if the devices were returned to the manufacturer for their analysis, the date of return, a narrative description of the adverse events by the operators, as well as the manufacturers.[5][6][7]
Based on the type and severity of the events, they can be classified into the following main categories: death, injury, malfunction, or other. The database is updated every month. Routine monitoring of these reports is carried out by the FDA and the manufacturers to identify device-related safety signals and correct them in an effective and timely fashion.
Issues of Concern
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Issues of Concern
There are two search options in the MAUDE database, the ‘simple search’ and the ‘advanced search.' There is only one search field in the simple search where the researcher can enter the product name or the product code, or any other product identifier to search for the desired medical device reports. The advanced search mode provides much more comprehensive options. On the advanced search page, the database can be searched by the following categories: product problem, product class, event type (four categories described earlier), product manufacturer, model number, report number, brand name, product code, and the date the report was received by the FDA.
After filling out the relevant information, anywhere from 5 to 100 records can be displayed per page. The data for the desired dates can be downloaded in the Microsoft Excel format, which allows users to access the data offline as well. The search allows a maximum of only 500 records to be returned from a single search entry. If more results are desired, 2 separate searches by putting 2 different dates will be required. In the online MAUDE database query form, several different keyword combinations may need to be entered to capture the maximum number of results available. Furthermore, the device field entry may be combined with the manufacturer field entry to capture accurate data.
Certain elements of the report may be protected from public exposure under the Freedom of Information Act (FOIA). For instance, (b)(4) may be found in lieu of the composition of the product, and (b)(6) may replace the age of the patient. Navigating through the database can be challenging at first; however, after reviewing few reports, the research can familiarize themselves with the database; effective utilization of this resource can provide valuable information.
Clinical Significance
Although the MAUDE database contains valuable information pertaining to the safety of medical devices, there are some general limitations that the researcher must be aware of when analyzing the data; these include the following:[8][9][10][11]
- Adverse events may be recorded both by the operators and the manufacturers, resulting in duplicate reports and difficulty in distinguishing,
- Because the reporting is not universally mandated, there may be underreporting, and as such unknown number of complications or device malfunctions may go untallied,
- Adverse events caused many operator errors may be underreported,
- The database may contain incomplete, biased, and imprecise reports that may not be objectively and independently verified or adjudicated,
- Because of the lack of information regarding the total devices used in the study timeframe, it is not possible to determine the true incidence and prevalence rates of the adverse events,
- Only a minority of the devices are actually returned to the manufacturer; therefore, the input by the device manufacturer is lacking in many reports,
- Because of the lack of detailed analysis, a cause and effect relationship between the device and the adverse event cannot be ascertained in many reports,
- Results are limited to reports submitted within the last 10 years, i) results are restricted to 500 records per entry.
Nursing, Allied Health, and Interprofessional Team Interventions
Although the MAUDE database is a passive surveillance system, it has been utilized to examine various surgical and interventional devices. Few examples include robot-assisted surgical systems, left atrial appendage occlusion devices, transcatheter aortic valve replacement (TAVR), percutaneous left ventricular assist devices including Impella CP, 2.5, 5.0 as well as right-sided Impella RP, rotational atherectomy and orbital atherectomy devices, vascular closure devices, guideline extension catheters, extracorporeal membrane oxygenation devices, optical coherence tomography, fractional flow guidewires, microcatheters, and several others.[12][13][14][15][16][17][18] The MAUDE database allows for post-market surveillance of approved devices.
Nursing, Allied Health, and Interprofessional Team Monitoring
Several limitations of the MAUDE database are addressed earlier. These are also mentioned in MAUDE database-related papers as well as identified on the database's website. Despite these inherent limitations, the MAUDE database serves as a powerful tool for clinicians, manufacturers, and regulatory authorities. Operators can utilize these resources for recognizing the most commonly reported device malfunctions and adverse events, learn common pitfalls, apply them to their practice to improve technique, and appropriately counsel their patients when obtaining informed consent for the procedure. The manufacturers can take this opportunity to identify device-related issues and improve them and improve operator training. Furthermore, this information can be utilized as feedback for product development and improvement, make a benefit-risk assessment of the device, patient counseling, and furthering operative techniques.
References
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