Rapid diagnostics at, or close to the point of care, are quickly becoming a powerful source of high quality decisional aid and patient outcomes. One thing that ensures accuracy, safety, and regulatory compliance is ensuring quality and its compliance. The article discusses the best practices during the phases of testing, operator training, quality systems, and innovative technologies so as to maximize POCT within the healthcare facilities.
One of the most impactful innovations on contemporary healthcare provision is Point- of-Care Testing (POCT) that has gained great momentum in the recent past. POCT decreases the turnaround time, increases clinical decision-making, and enhances patient outcomes by allowing diagnostic testing to occur either adjacent to or at the location of the patient care. The possibilities of POCT to simplify care are immense whether the test is a rapid glucose, in a primary care clinic, an arterial blood gas and gases, in an intensive care unit, or infectious disease screening, within a community outreach program.
Nevertheless, increasing its use is increasing the burden on healthcare facilities to make sure that such tests are performed with equal rigor, accuracy, and compliance levels as laboratory-based diagnostics. Quality and compliance in POCT does not exist merely as a modality considered as a regulatory requirement - it is one of the vital piece that tranche patient safety, clinical dependability, and institutional reputation. Lack of quality management systems and compliance with compliance frameworks can compromise the advantages of POCT given that risks include inaccurate results, misdiagnosis or delayed treatment.
This article will discuss the best practices that are needed to achieve compliance and quality in POCT using global best practice, clinic governance best practice, and best practice within a clinical setting.
The novelty of POCT is the speed and availability. In the conventional laboratory diagnostics, elaborate procedures can be entailed: collection of the sample, transport to a central laboratory facility, processing, and providing the results. This process may be hours or days long. In comparison, POCT devices (usually portable and simple to use) have the capacity to give results within minutes.
This has been particularly important in emergency rooms, operating rooms, rural health facilities and global mass healthcare disasters like the COVID-19 pandemic.
However, although the level of convenience cannot be disputed, POCT removes the diagnosis process to a lesser-controlled environment, as compared with high-regimented laboratory settings. It usually comprises workers that lack lab-based training and it presents issues of standardization, calibration, and data integration. These considerations reiterate the importance of having high quality control and compliance measures.
Quality is associated with consistency, accuracy and reliability of test results in POCT irrespective of where a test is carried out and by whom. It also includes all the testing cycle stages which are divided into - pre-analytical processes (collection of necessary specimen), analytical processes (device calibration calibration), and post-analytical processes (result interpretation and reporting).
Compliance is the process of abidance by the existing regulatory, accreditation and institutional standards that control POCT. This may refer to accepted principles, most often those of such industry organizations as the Clinical and Laboratory Standards Institute (CLSI), International Organization for Standardization (ISO 22870 or POCT) of the College of American Pathologists (CAP), or national health bodies. Compliance guarantees that the POCT can be carried out in a way complying with the legal norms and industry-imposed standards.
There is a cross-dependence between quality and compliance: quality management systems that work effectively always maintain compliance, and compliance frameworks help impose structure to the quality process.
There is a cross-dependence between quality and compliance: quality management systems that work effectively always maintain compliance, and compliance frameworks help impose structure to the quality process.
The requirements of the specimen collection in healthcare facilities, its handling and storing should be explanatory and regulated depending with the specification of the POCT device.
To pick on an example, blood glucose testing involves good technique of pricking the finger and control solution usages, whereas rapid antigen tests on infectious diseases involve proper technique of swabbing.
It is also necessary to identify the patient correctly in order to exclude using results with incorrect attributions, which is a problem that may become even more significant when POCT is conducted in areas other than laboratories. Traceability and audit ready documentation requires that adequate documentation indicating date, time and identity of the operators is kept.
The fact is that POCT can be carried out by nurses, physicians or allied health care professionals who might not specialize in laboratory sciences, unlike centralized lab tests. The existence of such a wide variety in operators means that it should be accompanied by an effective training and competency testing scheme.
Training is not to be restricted on familiarization with the devices only. It has to cover training of principles on the test, evaluation of test results, limitations, problem-solving steps as well as infection control measures. The competency tests also ought to be undertaken at frequent intervals, at least once a year, to keep skills up-to-date and aligned to the new software in the devices or new procedures.
New digital learning platforms, as well as simulation-based learning and manufacturer workshops, are available to healthcare organizations to refine operator knowledge. An adequate dose of practical type of assessment instead of that of only theoretical testing can be used to validate the real-life preparedness.
The analytical stage is the core of POCT and step that yields the test outcome. The results can be met reliably with appropriate instrument maintenance, testing procedures compliance, and quality control.
The measure of quality control (QC) in POCT is the issuance of control samples, including positive and negative controls, at a specific frequency in order to check the proper functioning of the device. Facilities are urged to have established QC policy directives written in terms of how often to check on the QC and at what acceptable variations and what to do when that value occurs out of allowance. On failure of QC, it is obligatory to document and submit the report on investigation before the testing of patients is continued.
It is also important to keep POCT devices on a regular calibration schedule and have a record of calibration. Most of the current POCT devices are equipped with self-check mechanisms, though the critical needs to be complemented with manual verification that is demanded by regulatory regulations. By limiting the selection of reagents and consumables to manufacturer approved ones, the possibility of compatibility problems or other erroneous findings is minimized.
The usefulness of POCT does not depend only on its ability to provide rapid results, but also whether there is a communication, interpretation, and action of the results based on such. Post-analytical quality implies timely reporting, correct information input and the inclusion into the medical record of the patient.
Connectivity solutions via automated data capture services is a best practice, which will reduce the mistakes made in transcription and makes it easy to integrate with electronic health records (EHR) systems. When it is possible, facilities should not enter results manually especially in environments where high volumes are common.
Lab results of POCT should be interpreted within the clinical set up. It is incumbent upon operators to be cognizant of those factors that may affect test results, these factors could be interfering substances, patient physiological condition, or environment. There are pre-defined escalation protocols necessary in response to critical results that lead to quick clinical response.
Quality maintenance and monitoring of POCT is facilitated by a formal system of Quality Management System (QMS) in POCT. Representative components of a POCT-specific QMS are:• Well-defined governance systems including POCT coordinators of committees.
• Official written guidelines on all of the tests.
• Continued monitoring of the performance by audits, QC reviews and proficiency testing.
• The mechanisms of incident reporting to capture and deal with errors (near-misses).
Successful QMS drives a culture of continual improvement with the input of any of its audits or investigating incident incidences translating to protocol change or training.
Healthcare facilities that provide POCT are dependent on adherence to regulatory and accreditation needs. As an example, ISO 22870 covers quality and competence requirements of POCT and is supposed to be used with ISO 15189 (medical laboratories).
These standards are frequently necessitated by accreditation by bodies such as CAP or The Joint Commission.
National health agencies are requiring in many areas a special licensing and/or registration of POCT devices and operators. Noncompliance can be legally sanctioned, lead to accreditation denial, or to reputation ruin. Thus, health institutions are obliged to be aware of the changes in the regulations and make sure that POCT policies retained are of current demands.
As the POCT devices become more connected, data integrity and immunity to cyber-attacks are evolving into corporate compliance issues. Potential breaches of patient security (via unauthorized access, data loss or manipulation), or the reports themselves, are liable to undermine patient security as well as breach privacy guidelines like HIPAA or GDPR.
It would be advisable that POCT devices are networked onto secure networks and that data transmission using such POCT devices is encoded and user identification protocols exist. Until and unless, POCT systems are only to be accessed on a role basis and audit trails are to be maintained to audit POCT testing activity.
Having high-quality, compliant POCT is not without problems. There can be a strain on the resources due to budget and personnel shortage and high rate of technological change. Moreover, in a healthcare network, it is necessary to coordinate care in terms of achieving uniform standards in different locations or departments within the network.
A possible solution is the hiring of specific POCT liaisons responsible to manage training process, QC, regulatory aspects, and problem solving. Frequent multidisciplinary sessions, involving both clinicians and laboratory staff, as well as administrators, are beneficial to harmonize practices and opportunities and deal with arising problems.
The other best practice is the adoption of the external quality assessment (EQA) programmes. Such programs imply testing samples taken sight where the provider is external and comparison of the results with other peers. The involvement in EQA can show whether the level of performance is high objectively and may seem to reveal the sphere of progress.
The POCT technology is still improving in addition to its quality and compliance. Real-time remote monitoring of device performance, QC status and operator usage, is now achievable via connectivity solutions. Artificial intelligence (AI) algorithms are being coded in to assist in interpretation findings and identify anomalies and assist in decision-making.
Besides, newer POCT products are also being developed to incorporate compatibility protections in the product (e.g. lock-out during QC failure, barcode scanning to guarantee reagent traceability, and on-screen operator instruction).
Medical institutions that keep track of such innovations can use them to enhance quality systems and make compliance smoother.
Point-of-Care Testing is an effective ongoing operator in the arsenal of modern medicine that can render quick and effective diagnostic information that is actionable and can dramatically increase a doctor’s ability to positively impact patient care. Nevertheless, it’s worth can only be achieved when healthcare establishments take the decision of implementing stringent quality assurance and unflinching adherence to regulatory provisions.
To attain excellence in POCT it is essential to look at the practice in a holistic way - across detailed pre-analytical procedures, strict analytical quality assurance, resilient post-analytical reporting platforms, ongoing operator education and active governance based on a complete Quality Management System. Incorporating such best practices into daily processes does not only safeguard the integrity of the patients that healthcare providers serve, but also ensures higher consistency of diagnosis, the efficiency of the procedures, and the image of the institutions.
In healthcare, where time and precision can mean the difference between clinical success and failure, quality and compliance in POCT is no longer a choice, it is the basis upon which trust, efficacy and patient outcomes may be achieved.
Kate Williamson, part of the Editorial Team at American Hospital & Healthcare Management, draws on her deep experience in healthcare communication to produce clear and impactful content. Her dedication to simplifying intricate healthcare topics helps the team fulfill its goal of offering relevant and influential information to the international healthcare sector.
