Claire Dawson
Diabetes is a metabolic disorder that affects the body's ability to regulate blood sugar (glucose) levels. Managing diabetes while in hospital involves maintaining blood glucose levels within a target range to prevent complications and adverse outcomes. This can be challenging due to stress, changes in diet, and the impact of other illnesses or treatments. Insulin therapy is a cornerstone of inpatient diabetes management, but non-insulin drugs also play a role. Continuous glucose monitoring and automated insulin delivery systems offer advantages in inpatient care, and virtual models of care have been explored during the COVID-19 pandemic. Managing diabetes in hospitals aims to prevent hypoglycaemic and hyperglycaemic events, optimise wound healing, reduce infection rates, and improve patient outcomes.
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What You'll Learn
Understanding the causes of hyperglycaemia in hospitals
Hyperglycaemia, or high blood sugar, is associated with an increased risk of complications, longer hospital stays, and higher healthcare costs. It is important to understand the causes of hyperglycaemia to effectively manage diabetes in a hospital setting.
One of the main causes of hyperglycaemia is a lack of insulin in the body. This can occur due to insulin resistance, where the body's cells do not respond properly to insulin, or issues with the pancreas, the organ responsible for producing insulin. Type 2 diabetes is caused by insulin resistance, where the body requires more insulin to regulate blood sugar. Type 1 diabetes is often caused by the pancreas being unable to produce insulin. In both cases, the body may not have enough insulin to regulate blood sugar effectively, leading to hyperglycaemia.
Other causes of hyperglycaemia include illness, stress, and certain medications. Illness or stress can trigger hyperglycaemia as the hormones produced to fight illness or stress can cause blood sugar to rise. Additionally, medications such as corticosteroids can impact blood glucose levels and contribute to hyperglycaemia.
In a hospital setting, there are several factors that can contribute to hyperglycaemia in patients. These include unexpected changes in nutritional intake, interruptions in glucose monitoring routines, and deviations from established glucose control protocols. Older age and greater illness severity are also risk factors for hyperglycaemia in hospitalised patients.
Pharmacists play a crucial role in managing hyperglycaemia, especially in acute and critical care settings. By being aware of potential procedures and nutritional changes, pharmacists can proactively adjust a patient's insulin regimen to avoid hyperglycaemic events. Additionally, they can help identify the causes of hypoglycaemic episodes and ensure they are adequately treated and prevented in the future.
In summary, understanding the causes of hyperglycaemia in hospitals is crucial for effective diabetes management. By recognising factors such as insulin deficiencies, illness, stress, medications, and nutritional changes, healthcare providers can proactively manage blood glucose levels and prevent the adverse effects associated with hyperglycaemia.
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The role of insulin therapy
Insulin therapy is a critical component of managing diabetes in hospitalised patients. It is recommended for patients with hyperglycaemia, which is characterised by a blood glucose level above 140 mg/dL (7.8 mmol/L). Insulin therapy helps to bring down blood glucose levels and mitigate the associated risks of hyperglycaemia, including increased morbidity, mortality, and healthcare costs.
There are various modes of administering insulin, including syringes, pens, prefilled pens, and pumps. The choice of insulin type and administration method depends on several factors, such as the patient's condition and diabetes type. For instance, basal insulin, including detemir, glargine, and degludec, is typically administered based on body weight, while patients with renal insufficiency may require lower doses. On the other hand, prandial insulins, such as lispro, aspart, glulisine, and regular insulin, act rapidly. It is important to note that premixed insulins are not recommended for treating Type 1 Diabetes Mellitus (T1DM) due to the inability to adjust basal and prandial requirements.
The use of insulin therapy in hospitals has evolved with advancements in diabetes technology. Continuous glucose monitoring, automated insulin delivery systems, and remote inpatient diabetes management have emerged as innovative solutions. These technologies enable tighter control of blood glucose levels and reduce the burden on healthcare workers, especially during the COVID-19 pandemic. Additionally, insulin dosing software and calculators further refine inpatient diabetes management.
Pharmacists play a crucial role in insulin therapy for hospitalised patients, particularly in acute and critical care settings. They can proactively adjust insulin regimens based on changes in nutritional status and potential procedures, thereby preventing hypoglycaemic events. Moreover, pharmacists are well-equipped to treat and reevaluate hypoglycaemic episodes, identify their causes, and prevent their recurrence.
In summary, insulin therapy is a cornerstone of managing diabetes in hospitalised patients, especially those with hyperglycaemia. While it carries the risk of hypoglycaemia, advancements in technology and the expertise of pharmacists contribute to safer and more effective insulin therapy in hospitals.
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The use of continuous glucose monitoring
CGM devices are small tools that help people with diabetes manage their blood sugar levels. They consist of a sensor placed just under the skin that measures glucose levels 24 hours a day. The sensor transmits the glucose readings to a wearable device or a mobile phone, allowing users to track their glucose levels in real time.
CGM devices offer several advantages over traditional fingerstick blood glucose monitoring. They provide a continuous data stream of glucose values, allowing users to easily identify trends and abnormal glucose concentrations. This helps users manage their diabetes with fewer fingerstick checks. Additionally, CGM devices can connect with insulin pumps to offer automated insulin delivery systems.
The American Diabetes Association (ADA) and the UK JBDS recommend that people with diabetes who use personal CGM devices be allowed to continue using them during hospitalisation. This allows for better management of blood glucose levels, which is crucial for diabetic patients in hospitals to mitigate the increased risk of infections and other complications.
CGM devices have also proven useful during the COVID-19 pandemic, as they reduce the burden of diabetes care for healthcare workers and decrease the risk of virus exposure by avoiding bedside capillary testing.
While CGM technology offers many benefits, it does require some upfront time to understand its technical aspects and how to use it safely. However, once mastered, CGM devices can greatly assist in managing diabetes, especially with the support of healthcare providers and diabetes specialists.
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Managing diabetes medication
Insulin Therapy
Insulin therapy is a cornerstone of managing hyperglycemia in hospitalized patients. Intravenous insulin therapy is the preferred treatment in critical care settings. However, different insulin protocols and regimens may be used depending on the patient's condition and the hospital's guidelines. Insulin can be administered through various modes, including syringes, pens, pre-filled pens, and pumps. The type of insulin (basal, prandial, or premixed) and dosage will depend on the patient's needs and medical history.
Patient Involvement
In some cases, patients may be allowed to manage their own insulin treatment in the hospital, especially if they are on an insulin pump. However, this depends on the patient's condition and the hospital's policies. Patients should be encouraged to monitor their blood sugar levels and report any concerns to the medical team.
Risk Factors and Complications
It is essential to consider risk factors such as age, illness severity, and the use of glucose-lowering medications when managing diabetes medication in hospitals. Inpatient hypoglycemia can be caused by unexpected changes in nutritional intake, deviations from glucose monitoring routines, and errors in insulin prescriptions. Additionally, diabetes and hyperglycemia in hospitals are associated with increased complications, longer hospital stays, and higher healthcare costs.
Technology
Advancements in diabetes technology, such as continuous glucose monitoring and automated insulin delivery systems, are being implemented in inpatient care. These technologies can improve diabetes management and reduce the burden on healthcare workers, especially during the COVID-19 pandemic.
Guidelines and Recommendations
Professional organizations and societies provide guidelines for managing diabetes in hospitals. For example, the American Diabetes Association (ADA) and UK JBDS recommend allowing patients to continue using personal continuous glucose monitoring (CGM) devices during hospitalization. Clinical guidelines also suggest stopping oral antidiabetes drugs during hospitalization, but this may vary depending on the country and patient-specific factors.
Specific Protocols
Specific protocols for managing diabetes medication in hospitals include the use of short-acting sulfonylureas, basal insulin, and non-insulin drugs. The choice of protocol depends on the patient's condition, glucose levels, and the potential for complications.
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The importance of blood glucose targets
Blood glucose targets are an important aspect of diabetes management in hospitals. Uncontrolled blood glucose levels can have adverse effects on patients with diabetes, leading to complications such as increased neurologic ischemia, delayed wound healing, and an increased infection rate. Poor glycemic control can also negatively impact the outcome of the primary illness and increase hospital stays.
The target blood glucose levels for hospitalized patients have evolved over the years. Previously, tight blood glucose targets of 80 to 110 mg per dL (4.4 to 6.1 mmol per L) were recommended to reduce complications and improve patient recovery. However, recent studies have shown that such stringent control can lead to an increased risk of hypoglycemia without significantly improving patient outcomes or reducing mortality rates, especially in intensive care settings.
As a result, current guidelines suggest a more moderate approach to blood glucose targets. The acceptable target range for most hospitalized patients is now considered to be between 140 and 180 mg per dL (7.8 to 10 mmol per L). It's important to note that these targets may vary depending on individual situations, such as pregnancy or acute myocardial infarction, where lower targets are recommended.
Pharmacists play a crucial role in managing hyperglycemia in acute and critical care settings. They can proactively adjust insulin regimens based on changes in nutritional status and anticipated procedures, helping to prevent hypoglycemic events. Additionally, diabetes technology, such as continuous glucose monitoring and automated insulin delivery systems, is being explored for inpatient care to improve diabetes management.
In summary, achieving appropriate blood glucose targets is vital in hospitalized patients with diabetes to prevent adverse outcomes and improve overall patient care. While targets may vary depending on individual circumstances, the current trend favors more moderate glycemic goals to balance the risks and benefits of tight blood glucose control.
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Frequently asked questions
The target range for blood sugar levels is typically 4 to 11 mmol/L, with blood glucose levels greater than 140 mg/dL (7.8 mmol/L) considered hyperglycaemia. Hypoglycaemia occurs when blood sugar levels drop below 4 mmol/L.
Hyperglycaemia in hospitalised patients is associated with an increased risk of complications, longer hospital stays, higher admission rates to the ICU, higher healthcare costs, and an increased risk of mortality.
Insulin therapy is the cornerstone of inpatient pharmacological management, with intravenous insulin therapy being the treatment of choice in critical care settings. Non-insulin drugs can also play a role in managing hyperglycaemia in patients with type 2 diabetes.
