Hospitals' Safety Events: Deadly And Preventable

how many deaths from hospital safety events

Patient safety is a critical aspect of healthcare, and adverse events in hospitals can have devastating consequences, including extended hospital stays, long-term disabilities, and even death. While hospitals are meant to be places of healing, medical errors and preventable adverse events (PAEs) contribute to a significant number of deaths each year. The impact of these incidents is not only felt by patients and their families but also carries a substantial financial burden, affecting global economic growth. The issue of patient safety is a pressing concern, with recent studies and reports shedding light on the prevalence and impact of adverse events in healthcare settings.

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Preventable adverse events (PAEs)

PAEs encompass a range of errors and incidents that occur during the course of patient treatment. One of the most prevalent types of PAEs is diagnostic errors, which can lead to delayed, wrong, or missed treatments, often with fatal consequences. These errors can include incorrect or missed diagnoses, as well as failures to recognise health conditions or interpret patient data accurately. For example, a physician may misinterpret a patient's symptoms, leading to an incorrect treatment plan that fails to address the underlying issue. In some cases, diagnostic errors can result in the administration of harmful treatments, exacerbating the patient's condition.

Medication errors are another significant contributor to PAEs. These errors can involve incorrect prescriptions, inappropriate medication administration, or failures to monitor patient responses and adjust dosages accordingly. In some cases, medication errors may result from inadequate patient monitoring, leading to adverse drug reactions or toxic effects. For instance, a patient may experience a severe allergic reaction to a medication that was not properly assessed for potential allergies or contraindications. Medication errors can also occur when medications are confused with one another due to similar packaging or labelling, leading to the administration of the wrong drug.

In addition to diagnostic and medication errors, unsafe surgical procedures can also result in PAEs. These incidents may include wrong-site surgeries, which occur when a procedure is performed on the incorrect body site. For example, a patient may undergo surgery on the wrong limb, or a surgeon may operate on the wrong patient altogether. Unsafe surgical procedures can also involve the use of contaminated instruments or incorrect anaesthesia administration, leading to infections or other serious complications. In some cases, surgical errors may even result in patient death, particularly if the errors involve vital organs or critical procedures.

Another aspect of PAEs is healthcare-associated infections, which can have severe consequences for patients. Infections may arise from hospital-acquired pathogens or as a result of unsafe transfusion practices. When unnecessary transfusions or improper transfusion techniques are employed, patients become vulnerable to adverse reactions and transfusion-transmitted infections. Healthcare-associated infections can lead to extended hospital stays, long-term disabilities, increased antimicrobial resistance, and, in some cases, patient deaths. Sepsis, a life-threatening condition triggered by an extreme immune response to an infection, is a notable concern within this context.

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Diagnostic errors

Medical errors are a leading cause of death and injury. Diagnostic errors occur in 5–20% of physician–patient encounters, and according to doctor reviews, harmful diagnostic errors were found in a minimum of 0.7% of adult admissions. Diagnostic errors can result in delayed, wrong, or no treatment at all, which can often lead to the death of the patient.

A study by the Journal of Patient Safety found that preventable adverse events (PAEs) in hospitals cause one-sixth of all deaths in the United States each year, amounting to over 400,000 deaths. Another study, based on the Global Trigger Tool (GTT), a standardized method of identifying adverse event triggers in patient records, found that the lower limit of adverse events leading to death from hospital care is 210,000.

A study by Johns Hopkins Medicine found that across all clinical settings, including hospitals and clinics, an estimated 795,000 Americans die or are permanently disabled by diagnostic errors. The study found that vascular events, infections, and cancers, dubbed the "Big Three," account for 75% of serious harms. The top five conditions causing the most frequent serious harms account for 38.7% of total serious harms: stroke, sepsis, pneumonia, venous thromboembolism, and lung cancer. The overall average error rate across diseases was estimated at 11.1%, but the rate ranges widely from 1.5% for heart attacks to 62% for spinal abscesses.

The high rate of diagnostic errors highlights the need to improve diagnosis in healthcare settings. The U.S. National Academy of Medicine emphasizes that improving diagnosis is a moral, professional, and public health imperative. Developing systematic solutions to address diseases with high diagnostic error rates could significantly reduce permanent disabilities and deaths.

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Medication errors

The consequences of medication errors extend beyond patient harm. These errors can result in prolonged hospitalizations, increasing the financial burden on patients, their families, and the healthcare system. The economic impact of adverse drug events is significant, with preventable drug-related issues costing hospitals millions of dollars annually. Additionally, medication errors can have a detrimental effect on the mental health of healthcare professionals, leading to feelings of anger, guilt, inadequacy, and even depression.

To address medication errors, it is crucial to identify the underlying deficiencies, failures, and risk factors. By understanding these causes, corrective measures can be implemented to prevent future errors and improve patient safety. Healthcare professionals should be well-versed in the different types of medication errors, such as drug dosage miscalculations and treatment delays, to proactively develop strategies for error reduction and prevention.

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Unsafe surgical procedures

Surgical procedures are intended to save lives, but unsafe surgical care can cause substantial harm to patients. In fact, unsafe care practices account for over 3 million deaths each year, with 400,000 of these occurring in the United States alone. Globally, one in every ten patients is harmed by unsafe care, and in low-to-middle-income countries, this figure rises to 4 in 100.

The World Health Organization (WHO) has implemented several initiatives to address surgical safety, such as the SAFROS Project, which aims to improve patient safety in robotic surgery, and the WHO Surgical Safety Checklist, which has been proven to reduce complications and mortality by over 30%. The checklist is divided into three sections: Sign In, Time Out, and Sign Out. Sign In is completed before anaesthesia induction, acting as a final confirmation of the patient's identity and the procedure to be carried out. Time Out is completed before the first incision, and Sign Out is completed before key members of the operating team leave the room.

Despite these efforts, unsafe surgical procedures continue to occur. One common issue is wrong-site surgery, which can occur when there is a breakdown in communication between the surgeon, other healthcare team members, and the patient. This can include operating on the wrong patient, the wrong body part, the wrong side of the body, or the wrong level of the correct anatomical site. To prevent these errors, structured communication between all parties is essential, and all relevant information sources should be available in the operating room and rechecked by the entire team before the procedure begins.

Another aspect of unsafe surgical procedures is infection control. WHO recommends the use of prophylactic antibiotics to counter the risk of wound infection, especially in high-risk situations or regions where infection can have severe consequences. Ensuring a sterile surgical environment is crucial, and pulse oximeters are essential for monitoring patients' oxygen levels during and after surgery.

By implementing safety checklists, improving communication, and adhering to infection control protocols, the risk of unsafe surgical procedures can be significantly reduced, ultimately improving patient safety and outcomes.

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Patient misidentification

A report by the Joint Commission published in 2018 identified 409 sentinel events of patient misidentification out of 3326 incidents (12.3%) between 2014 and 2017. Another study from a large academic hospital federation in France analysed patient misidentification incidents during perioperative care from 2011 to 2014. Among the 293 reported incidents, the most frequent errors were missing wristbands (34%), wrong charts or notes in files (20%), administrative issues (19%), and wrong labelling (14%).

To address patient misidentification, hospitals have implemented various interventions and strategies. For example, a study from Nagoya University Hospital in Japan utilised a step-by-step problem-solving method to reduce patient misidentification incidents. They standardised the patient identification process, disseminated instructional videos to staff members, and achieved an 18% reduction in level 2 and over patient misidentification cases. Additionally, the US Joint Commission listed improving patient identification accuracy as one of its national patient safety goals, recommending the use of at least two identifiers, such as the patient's name, identification number, birth date, or a bar-coded wristband.

While efforts are being made to improve patient identification accuracy, patient misidentification remains a prevalent issue in healthcare settings. It is crucial for hospitals to continue developing and implementing effective strategies to minimise the risk of patient misidentification and its potentially catastrophic consequences.

Frequently asked questions

According to the Journal of Patient Safety, more than 400,000 American deaths are associated with preventable harm in hospital settings each year.

Patient falls are the most frequent adverse events in hospitals. Other common adverse events include medication errors, unsafe surgical procedures, healthcare-associated infections, diagnostic errors, pressure ulcers, patient misidentification, unsafe blood transfusions, and venous thromboembolism.

It is estimated that more than 50% of harm, or 1 in every 20 patients, is preventable. In terms of numbers, this could be up to 210,000 deaths per year.

Diagnostic errors occur in 5-20% of physician-patient encounters and are the most common type of error leading to death. These errors can result in delayed, wrong, or no treatment, causing serious harm or death to patients.

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