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Δευτέρα, 2η Ιουλίου 2007

Από Mick Meaney
Εναλλακτικές ειδήσεις RINF 

Η αμερικανική ιατρική ένωση (AMA) έχει δημοσιεύσει μια έκθεση που δίνει έμφαση στους κινδύνους ανθρώπινων εμφυτεύσιμων μικροτσίπ RFID.

Η έκθεση περιέχει τις προειδοποιήσεις ασφάλειας και μυστικότητας - δεδομένου ότι τα τσιπ ποτέ δεν έχουν εξεταστεί λεπτομερώς, μοχθηρία το 2004 η διοίκηση τροφίμων και φαρμάκων (FDA) που δίνει την άδεια για τη χρήση των ανθρώπινων εμφυτεύσιμων τσιπ, που προκαλούν την προσβολή μεταξύ των ιατρικών επαγγελματιών και των συνηγόρων μυστικότητας.

Οι ιατρικές πωλήσεις των τσιπ RFID είναι φτωχές κατά συνέπεια.

Το VeriChip, η επιχείρηση που κατασκευάζει τα τσιπ, έχει βάλει την περιστροφή τους στη νέα έκθεση που υποστηρίζει ότι «θα ενισχύσει τις προσπάθειες μάρκετινγκ».

Εντούτοις, το AMA θα εξετάσει τη μελλοντική χρήση RFID, εάν αποδεικνύεται ασφαλές και αποδοτικό. Θα ενθαρρύνουν έπειτα τη διαδεδομένη χρήση πέρα από το σφαιρικό τομέα της υγειονομικής περίθαλψης.

Η πλήρης έκθεση:

Οι δύο κύριοι τύποι ετικεττών RFID είναι ενεργητικοί και ενεργοί.  Οι παθητικές ετικέττες δεν περιέχουν καμία εσωτερική παροχή ηλεκτρικού ρεύματος. They convert the radio frequency energy emitted from a reader device into signals that transmit stored data for a distance of a few feet.  These passive devices currently have restricted amounts of data storage and are of limited functionality, because the information they contain cannot be modified.  

In comparison, active RFID tags contain an internal battery, which provides increased reliability, longer transmission ranges, on-tag data processing and greater data storage.

¹  While their capacity to process data internally allows for expanded capabilities in the future, their greater transmission range presents a more substantial threat to data confidentiality and patients’ privacy.

 In October 2004, the US Food and Drug Administration (FDA) approved the first RFID tags specifically intended for human implantation.

²  Approved RFID devices are currently limited to passive units, intended for identifying patients. Active RFID chips may be approved in the future.  

Human-implanted passive RFID devices that identify patients may also contain essential biometric and medical information.  The tags are primarily intended for patients with chronic diseases, such as coronary artery disease, chronic obstructive pulmonary disease, diabetes mellitus, stroke or seizure disorder, or are implanted into patients with medical devices such as pacemakers, stents, or joint replacements.  These devices are approximately the size of a grain of rice, and are implanted under the skin via a hypodermic-type needle in less than one minute.³ 

INFORMATION SYSTEMS

 RFID tags may promote the timely identification of patients and expedite access to their medical information.  As a result, these devices can improve the continuity and coordination of care with resulting reduction in adverse drug events and other medical errors.⁴   RFID tags also may improve efficiency within the health care system.  In conjunction with improved medical record management, these devices may facilitate access to patient records, medication lists, and diagnostic tests.⁵  To be maximally effective, however, the information in these devices must be adequately integrated into present clinical information and communications systems, laboratory databases, and pharmacy systems.¹  Appropriate processes also must be developed to inscribe, read and archive data stored on RFID tags.  As new designs enter the marketplace, the emergence of competing standards may present problems for hospital staff if a patient’s ID tag proves incompatible with the interrogation devices employed by the hospital.¹

Physical risks to patients

 These devices may present physical risks to the patient.  Though they are removable, their small size allows them to migrate under the skin, making them potentially difficult to extract.  However, this tendency may be minimized by constructing RFID tags from materials that permit surrounding tissue to encase the device.  In addition, RFID tags may cause electromagnetic interference, which may interfere with electrosurgical devices and defibrillators.¹ Finally, it has not been determined whether RFID tags might affect the efficacy of pharmaceuticals.^1,6 

PATIENT PRIVACY AND SECURITY 

The primary concerns surrounding human RFID labeling pertain to their potential impact on patient privacy and security.  Physicians must assure patients that their medical information will be held in confidence (see Opinion E-5.05, “Confidentiality”).  Moreover, maintenance of privacy is required to protect patients from embarrassment, potential social discrimination, loss of health care coverage, or other detrimental consequences (see Opinion E-5.059, “Privacy in the Context of Health Care”).   At this time, the security of RFID devices has not been fully established.  Physicians, therefore, cannot assure patients that the personal information contained on RFID tags will be appropriately protected.  In light of these security concerns, the FDA currently requires RFID transponders to store only a unique electronic identification code to be read by the scanner.² This identification code can then be used to access patient identity and corresponding health information stored in a database.  To protect confidentiality and privacy, the medical community should advocate for the adoption of other protections, such as computer encryption or digital signatures. Ultimately, the medical community should undertake appropriate efforts to prevent unauthorized access to patients’ information contained on RFID tags (see also E-5.07, “Confidentiality: Computers,” AMA Policy Database).

 INFORMED CONSENT 

To properly respect patient autonomy, RFID tags should not be implanted or removed without the prior consent of patients or their surrogates (see E-8.08, “Informed Consent,” and E-8.081, “Surrogate Decision Making”).  During the consent process, decision-makers should be informed of the potential risks and benefits associated with RFID tags, including the many uncertainties regarding their efficacy.  Patients are also entitled to know who will be granted access to the data contained on RFID tags and the purposes for which this information will be used.⁷ 

FURTHER CONSIDERATIONS 

It seems likely that utilization of RFID devices for medical purposes will expand.⁴  The medical profession must continue to monitor the efficacy of these devices.  If RFID tags are proven to benefit patient care significantly, the profession should advocate for widespread adoption of RFID technology, and for policies that make RFID tags available to all patients who would benefit (see Opinion E-2.095, “The Provision of Adequate Health Care”).   However, if objective evidence demonstrates negative consequences that outweigh the benefits in relation to health care, the medical profession will bear an important responsibility to oppose the use of RFID labeling in humans.  Finally, physicians should be aware of emerging non-medical applications of human-implantable RFID devices.  For instance, active RFID technologies might be considered for the tracking or surveillance of individuals who pose a threat to others.  Although this is only one of many possible uses of RFID technology in the future, it alerts the medical profession to the need for continuous assessment of the appropriate role of physicians participating in RFID labeling of human beings.  Indeed, certain uses could constitute an infringement upon patients’ individual liberties, placing physicians in a position to act as patient advocates by promoting the use of other, less intrusive alternatives, when available.⁴  

CONCLUSION

 RFID technology has the potential to improve patient care as well as patient safety.  However, the safety and efficacy of human-implantable RFID devices has yet to be established.  Therefore, the medical community should support further investigations to obtain the data necessary to make informed medical decisions regarding the use of these devices.  The medical community should also be sensitive to potential social consequences of RFID devices, such as non-medical applications in law enforcement. 

RECOMMENDATION 

The Council on Ethical and Judicial Affairs recommends that the following be adopted and the remainder of the report be filed.   Radio frequency identification (RFID) devices may help to identify patients, thereby improving the safety and efficiency of patient care, and may be used to enable secure access to patient clinical information.  However, their efficacy and security have not been established.  Therefore, physicians implanting such devices should take certain precautions:  (1) The informed consent process must include disclosure of medical uncertainties associated with these devices. 

• 2. Physicians should strive to protect patients’ privacy by storing confidential information only on RFID devices with informational security similar to that required of medical records.

 (3)  Physicians should support research into the safety, efficacy, and potential non-medical uses of RFID devices in human beings.  (NEW HOD/CEJA Policy) 
 
 Fiscal Note: Staff cost estimated at less than $500 to implement. 

See More:RFID 

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