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The word materiovigilance is a combination of two words – ‘material’ which means ‘a physical substance that things can be made from’ and ‘vigilance’ which means ‘more careful attention, especially in order to notice possible danger’. Hence the term materiovigilance is defined as “close monitoring of any undesirable occurrence resulting from a medical device by means of having a system in place which comprises identifying, collecting, reporting, and estimating undesirable occurrences and reacting to them, or safety corrective actions after their post-marketing phase 1 ”. Any instrument, apparatus, machine, appliance, implant, reagent for in-vitro use, software or other articles to be used for humans for specific medical purposes is termed as medical device. Examples of medical devices include a wide variety of devices, like thermometer which are used very commonly to advanced medical ventilators used in critical care units. Indeed, present medical care is tremendously dependent on medical devices for prevention, diagnosis, treatment and investigation of diseases and injuries.
The use of medical devices may also lead to occurrence of some adverse events, for e.g.- incorrect test results by a glucometer, malfunctioning of an infusion pump leading to injury to the patient, a malfunctioning automated external defibrillator device (AED) leading to electrical burns to a patient or a health service provider etc. Thus, there arises a need for a system to be in place so that such events can be reported and noted by an agency so that it helps in identifying the risks associated with medical devices and to withdraw those medical devices from the market and to eliminate the dangers of such adverse events occurring in future. And that void has been filled by the concept of Materiovigilance.
The Drugs and Cosmetic Act, 1940 lists rules governing medical devices under Schedule R1. These rules are related to manufacture, distribution, sale, import and export of medical devices in India. The Materiovigilance Programme of India was approved by the Ministry of Health and family Welfare on 10/02/2015 and it was launched on 06/07/2015 by DCGI at Indian Pharmacopoeia Commission in Ghaziabad. It was decided that Sree Chitra Tirunal Institute for Medical Sciences & Technology (SCTIMST), Thiruvananthapuram, will be National Collaborating Centre; National Health System Resource Centre (NHSRC), New Delhi, be Technical support partner, and Central Drugs Standards Control Organisation (CDSCO), New Delhi, will function as regulator. The purpose of this programme is to monitor medical device associated adverse events (MDAE), and to create awareness in health-service providers regarding the value reporting these adverse events and also to keep a check on the risk-benefit ratio of medical devices. The programme also aims at providing independent, evidence-based data and directions on the safety of medical devices and to convey the findings to the stakeholders.
The stakeholders involved are
The adverse events have been classified according to severity into – 1) Death of a patient, user of the device or other person, 2) Serious injury to a patient, user or other person, and 3) No Death or Serious Injury occurred but the event might lead to death or serious injury of a patient, user or other person, if the event recurs. The reporting of the medical device associated adverse events is to be done through the form prescribed by MvP 3. The reporting can be done by clinicians, biomedical engineers, clinical engineers, hospital technology manager, pharmacists, nurses and technicians. Medical device manufacturers can also report adverse events specific for their product. A toll-free helpline number – 1800-180-3024 has also been made available and can be used to get assistance for reporting the adverse events.
The major utilization of Materiovigilance is
In United States of America, U.S. Food and Drug Administration (USFDA) has a similar programme known as Medical Device Reporting (MDR). In this programme FDA, has made it mandatory for the manufacturers, device user facilities, and importers to report medical device related adverse events which is called as Mandatory Medical Device Reporting. The second category is of Voluntary Medical Device Reporting which consists of healthcare professionals, patients, caregivers and consumers, who are encouraged by the FDA to submit reports of adverse events voluntarily. In France, there is a national surveillance commission for medical devices (Commission de Matério vigilance). In Australia, there is Therapeutic Goods Administration (TGA) which functions under the Department of Health of the Australian government. In United Kingdom, there is Medicines and Healthcare Products Regulatory Agency (MHRA).
Discussion In a study done in San Francisco, over a period of 35 months, the autopsy findings revealed that out of 517 sudden cardiac deaths that occurred during that period 11 deaths occurred due to malfunction of cardiac implantable electronic devices (CIEDs) It has been reported that a company named, Intuitive Devices, which manufactures Robotic surgery devices – da Vinci – has become a target of 52 lawsuits against it since its FDA approval since 2000, due to malfunctions in their robotic surgery devices.
On 28 November 2017, the Therapeutics and Goods Administration (TGA) Australia decided to ban pelvic mesh implants, after repeated reports and studies indicating increased risk of injury and death in women receiving pelvic mesh implants for stress incontinence Recently, it has been reported that the Central Drug Standards Control Organization (CDSCO), has proposed changes in the existing law to introduce a compensation provision for approved drugs and medical devices that have an adverse impact on a patient
Various medical devices are used by physicians to assist them in curing the patients and saving lives. They are in no way supposed to do any harm to the patients. Nowadays it has become a trend to blame the treating doctor in case of any bad outcome while treating a patient. It is very difficult for a common man to understand the complicated subject of medical science, but blaming the doctor has always been easy. It is true that, it is not always the doctor who is at fault, sometimes fault may lie somewhere else for example in the medicine or in the medical device. Hence, to find and to investigate those errors we require Pharmacovigilance along with Materiovigilance. The most important aim is to prevent those errors from reoccurring.
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