A Hospital Infection Control Blindspot: Equipment Hygiene

Introduction:

Hospital-acquired infections (HAIs) remain one of the most persistent and costly challenges in healthcare delivery. For decades, clinicians, administrators, and regulators have rightly focused on preventing infections related to invasive procedures, bloodstream infections, ventilator-associated pneumonia, surgical site infections, and sepsis. These efforts have saved lives and strengthened bottom lines.

Alongside this progress, a quieter set of risks has persisted: those associated with shared medical equipment, protective garments, and environmental interfaces that move rapidly across patients, clinicians, and care settings. While hospitals invest heavily in hand hygiene, central line bundles, and sterile technique, many care tools are ignored.
This gap deserves renewed attention. Infection control is a clinical obligation and an operational and governance imperative.

What We Know, and What We Miss

Infections acquired in hospitals worsen outcomes, prolong patients’ length of stay, increase hospital costs, and erode trust in the healthcare system and clinicians. According to the U.S. Centers for Disease Control and Prevention (CDC), on any given day, about one in 31 hospital patients has at least one healthcare-associated infection.

Over time, accrediting bodies such as The Joint Commission and Det Norske Veritas, along with regulatory bodies like the US Centers for Medicare and Medicaid Services and the US state departments of health, have appropriately focused on high-impact infection domains, including sepsis recognition, bloodstream infections, and surgical site prevention.

This focus often overlooks broader environmental and equipment-related risks, however. Several pieces of equipment, including portable imaging devices, lead aprons, thyroid shields, mobile monitors, ultrasound probes, and shared carts, receive little or no oversight. These items are touched frequently, stored inconsistently, and cleaned variably. They move between patients dozens of times per shift, getting no more than a quick wipe-down regardless of what ailment the former wearer suffered.

The assumption has been that if an item is not invasive, it is lower risk. Increasingly, evidence suggests this assumption is incomplete.

Frontline Data Reveal A Concerning Reality

A survey of 173 healthcare workers, mostly registered nurses working in surgical and procedural settings where the risk of contamination is significant, found:

• 78% of respondents reported wearing soiled protective gear;
• 83 clinicians acknowledged that the garments they wore were never cleaned;
• 30.1% of respondents reported persistent odors from thyroid shields;
• 48% of respondents admitted they never spot-clean protective garments; and
• 21.4% of respondents said aprons or shields were never cleaned according to departmental standards.

Add to this data the fact that 65.9% of respondents estimated X-ray aprons and thyroid shields contact patients or patient items one to 10 times per shift, and hospitals have a real problem.

It is easy to blame clinician negligence for this startling data. But in fast-paced clinical environments where cleaning responsibilities are unclear, time is constrained, and processes are fragmented, contamination risk is hardly a surprise. It is a feature of an overburdened system that hospital administrators must actively guard against.

Pathogens do not distinguish between invasive and non-invasive surfaces. Bacteria, viruses, and fungi persist on fabrics, plastics, and metals for extended periods. When equipment repeatedly contacts patients, gowns, beds, and clinician's hands, it becomes a vector, especially when cleaning is inconsistent or superficial.

Regulatory Oversight: Necessary but Incomplete

Unlike single-use supplies or clearly sterile instruments, lead aprons, portable imaging equipment, and other non-invasive items occupy a middle ground. They are used continuously, but rarely tracked and often excluded from routine cleaning audits.

Clinicians wash or sanitise their hands when moving from patient room to patient room, but a portable imaging device? That is likely to go unsterilized.

In high-acuity settings such as operating rooms, emergency departments, and ICUs, the risks of this cleaning gap are magnified. Patients are more vulnerable, clinicians move more quickly, and equipment circulation is near constant. Infection prevention strategies that fail to address these realities leave a meaningful gap in patient safety.

Accrediting bodies have played a critical role in improving infection prevention, but their frameworks often emphasise outcomes rather than upstream environmental contributors. Sepsis rates are tracked. Central line infections are audited. Surgical site infections are scrutinised. Yet few surveys ask detailed questions about how often protective garments are cleaned, how shared imaging equipment is disinfected, or how compliance is monitored over time.

It is time to correct this lack of oversight. As healthcare delivery becomes more complex and technology-driven, accreditors and regulators must adapt. Equipment hygiene must become a measurable, auditable component of patient safety programs.

Evidence-Based Best Practices Exist

Fortunately, proven solutions exist. In the United States, the CDC and other public health authorities recommend a two-step process for cleaning shared equipment and protective garments: mechanical cleaning using friction to remove organic material and contaminants, combined with high-level disinfection using agents capable of achieving at least a three-log (99.9%) kill ratio.

This approach recognises that disinfection without proper cleaning is insufficient. Organic debris shields pathogens from disinfectants. Friction matters. Process matters. Training matters. And when applied consistently, this method is effective against a broad spectrum of pathogens, including bacteria, viruses, fungi, and spores.

Historically, the challenge has been implementation at scale, but today new technologies have reshaped what is possible. For example:

• Intrinsically antimicrobial materials, such as copper alloys and copper-infused polymers, are increasingly being deployed on high-touch surfaces. Unlike coatings that wear off over time, these materials continuously reduce microbial burden without relying on human intervention.
• Automated disinfection technologies such as UV-C disinfection systems are now widely used for terminal room cleaning, offering consistent coverage and reduced variability. Vaporised hydrogen peroxide systems provide low-temperature sterilisation options for complex equipment and sensitive electronics.
• AI-powered predictive surveillance can integrate data from electronic health records, microbiology labs, and environmental monitoring to identify early signals of outbreak risk, allowing infection prevention teams to intervene before harm occurs.

Together, these innovations shift infection control from reactive to proactive. They should not replace basic hygiene, but they should be deployed to strengthen it.

A Path Forward for Patient Safety

For hospital leaders, infection control must be understood as both a clinical responsibility and a management discipline. Poor equipment hygiene carries direct costs, longer hospital stays, readmissions, penalties, reputational damage, and indirect costs, including staff burnout.

Conversely, strong infection prevention programs create value by improving outcomes, stabilising operations, and supporting workforce morale. They also position hospitals more favourably with regulators, payers, and patients who are increasingly attentive to safety metrics.

The time for simply absorbing downstream costs is over. Leaders must be willing to invest in prevention, and they must commit to governance, standardised protocols, routine audits, and data transparency.

Regulatory and accrediting organisations should modernise infection control expectations by expanding focus beyond traditional categories. Incorporating equipment hygiene into surveys, quality dashboards, and best-practice guidance would drive consistency. (Not to mention it would save lives.)

Regulatory oversight does not need to be punitive. Done well, it can catalyse alignment across clinical operations, environmental services, radiology, indeed, the whole supply chain and encourage the adoption of scalable solutions.

Infection control is about trust. Patients must know that seeking care will not make them sicker. Clinicians must know the tools they use are safe. Communities must know healthcare institutions are vigilant stewards of public health. Building that trust requires looking beyond the obvious and acknowledging the damage done by routines we have never questioned.

Equipment hygiene is not a minor matter. It is a capital catastrophe hiding in plain sight. Addressing it is not optional.

References:

1. https://web.doh.nj.gov/apps2/hpr/understanding_hai.aspx.
2. https://www.cdc.gov/healthcare-associated-infections/php/data/index.html.
3. https://www.researchgate.net/publication/321437051_Health_Care_Workers'_Use_and_Cleaning_of_X-Ray_Aprons_and_Thyroid_Shields.