Tuesday, January 20, 2026

What ethical, regulatory, and security challenges accompany AI implementation in healthcare settings?

 What ethical, regulatory, and security challenges accompany AI implementation in healthcare settings?



The implementation of AI in healthcare is accompanied by a complex array of ethical, regulatory, and security challenges that impact patients, providers, and the global healthcare infrastructure.

Ethical Challenges

  • Algorithmic Bias and Inequality: AI models often encode system-wide biases because they are frequently trained on datasets from high-income countries, which may lead to recommendations inappropriate for low-income settings. Furthermore, groups such as individuals with disabilities may face discrimination if AI systems are trained on datasets that exclude them or misinterpret their communication styles.
  • Transparency and "Black Box" Logic: A critical concern is healthcare AI explainability; many AI models, particularly large multi-modal models (LMMs), are so complex that even their developers may not fully understand how they generate specific responses. This lack of transparency can undermine the trust of medical professionals and patients.
  • De-skilling and Moral De-skilling: There is a long-term risk of skills degradation, where clinicians may become unable to perform routine tasks or make difficult moral judgments independently because they have outsourced these responsibilities to AI.
  • Human Epistemic Authority: By providing plausible but potentially inaccurate responses, AI may eventually undermine human epistemic authority in medicine and science. Over-reliance on AI could lead to "model collapse," where AI-generated errors pollute public knowledge bases.
  • Digital Divide: AI may exacerbate the digital divide, where wealthy individuals have access to "real" clinicians while poorer populations are relegated to using lower-cost, AI-driven solutions.

Regulatory Challenges

  • Inconsistent Frameworks: The regulatory landscape is currently fragmented, with different regions (such as the U.S., Europe, and China) enforcing varying standards for data protection and AI oversight.
  • Liability and Redress: Determining liability along the value chain is a significant challenge; it is difficult to assign blame among developers, providers, and deployers when an AI system causes harm. Some jurisdictions may lack professional liability rules that account for injuries caused directly by AI.
  • Compliance Gaps: Existing laws, such as HIPAA and GDPR, were often written before the emergence of modern generative AI, leading to regulatory "gray areas" regarding data scraping, the "right to be forgotten," and the use of sensitive data in chatbots.
  • Medical Device Classification: There is ongoing debate over which AI applications—particularly chatbots—qualify as medical devices, which determines the level of regulatory scrutiny they must undergo before being deployed to the public.

Security and Privacy Challenges

  • Connected Device Vulnerabilities: Interconnected medical devices like pacemakers, insulin pumps, and ventilators are susceptible to remote exploitation and hacking, which can turn life-saving equipment into life-threatening weapons.
  • Ransomware and DoS Attacks: Hospitals are primary targets for ransomware because the urgency of patient care forces quick financial decisions; such attacks have already resulted in documented fatalities when critical systems were disabled.
  • Data Privacy Breaches: AI systems require vast amounts of data, increasing the risk of unauthorized disclosure of sensitive health information. Unencrypted data transmissions can be intercepted via "Man-in-the-Middle" attacks, allowing hackers to manipulate treatment instructions.
  • Technical Exploits: AI models are vulnerable to "prompt injection" attacks, where malicious data is fed into a model to force it to behave in ways the developer did not intend, such as deleting or stealing information from a database.
  • Supply Chain Risks: Vulnerabilities can be introduced through counterfeit components or pre-installed malware in third-party software before a device even reaches a hospital.


How can AI technologies enhance clinical workflows, remote monitoring, and patient-provider communication?


How can AI technologies enhance clinical workflows, remote monitoring, and patient-provider communication?



AI technologies, particularly large multi-modal models (LMMs) and conversational agents, are reshaping healthcare by streamlining administrative burdens, enabling proactive home-based care, and facilitating more empathetic interactions.

Enhancing Clinical Workflows

AI enhances efficiency and productivity by automating routine administrative and clerical tasks that typically consume a significant portion of a clinician’s time.

  • Documentation and "Keyboard Liberation": AI can draft clinical notes after patient visits, fill missing information in Electronic Health Records (EHRs), and pre-emptively write automated prescriptions, billing codes, and discharge summaries. This allows providers to be more "present" for their patients rather than focused on screens.
  • Virtual Triage: Algorithms analyze symptoms and patient data to prioritize cases based on urgency, ensuring that critical conditions receive timely care while optimizing resource allocation for the healthcare workforce.
  • Clinical Decision Support: Using retrieval-augmented generation (RAG), AI can synthesize historical EHR data and precedent cases to provide context-aware treatment suggestions, aiding in complex scenarios involving polypharmacy or diagnostic uncertainty.
  • Medical Imaging: AI-driven analysis of X-rays, MRIs, and CT scans accelerates the diagnostic process, enabling radiology departments to serve a larger population more efficiently.

Remote Patient Monitoring

Remote monitoring is one of the most critical applications of AI in telehealth, moving care from the hospital to the patient’s home.

  • Continuous Data Collection: AI-powered wearables and biosensors collect real-time physiological data, such as heart rate, blood pressure, glucose levels, and ECG signals.
  • Proactive Interventions: By analyzing data streams, AI can anticipate health deterioration and trigger alerts before a patient’s condition worsens, allowing for early intervention and reducing the need for frequent in-person visits.
  • Specialized Care: In oncology, AI-driven wearables track digital biomarkers of frailty and predict chemotherapy tolerance, enabling clinicians to tailor treatment plans based on a patient's real-time functional status. In geriatric care, these technologies have shown statistically significant success in helping manage systolic blood pressure and HbA1c levels.

Improving Patient-Provider Communication

AI facilitates more frequent and organic communication, bridging the gap created by medical staff shortages.

  • Compassionate Message Drafting: Studies show that generative AI can help time-crunched physicians by drafting longer, more empathetic responses to patient inquiries. While this may not always save time due to the need for human editing, it significantly reduces the cognitive burden and "writer’s block" associated with high message volumes.
  • Conversational Agents and Chatbots: AI-driven bots can handle routine patient inquiries, provide preliminary health examinations, and assist with scheduling, which relieves staff of routine tasks. Advanced 3D simulations and voice-driven bots can even mimic the visual emotions of clinicians, providing comfort and improving the mental well-being of patients.
  • Accessibility and Translation: AI assists in simplifying medical jargon to make it "patient-friendly" and provides real-time translation services, ensuring that language barriers do not obstruct care.
  • Patient "Nudges": AI systems can send reminders and motivational messages regarding medication adherence, nutrition, and exercise, acting as a persistent virtual assistant between formal appointments.





Thursday, March 24, 2011

Ganglion of the Wrist

Ganglion (Cyst) of the Wrist 

A wrist ganglion can appear on the A, back (dorsum) of the hand or B, on the underside.
Ganglion cysts arise from the capsule of a joint or the sheath of a tendon. They can be found at different places on the wrist. A ganglion cyst that grows on the top of the wrist is called a dorsal ganglion. Others are found on the underside of the wrist between the thumb and your pulse point, at the end joint of a finger, or at the base of a finger. Most of the time, these are harmless and will often disappear in time.



Cause 

A ganglion cyst contains a thick, clear, mucus-like fluid similar to the fluid found in the joint. No one knows what triggers the formation of a ganglion. Women are more likely to be affected than men. Ganglia are common among gymnasts, who repeatedly apply stress to the wrist.



Symptoms

Wrist ganglion. 

Because the fluid-filled sac puts pressure on the nerves that pass through the joint, some ganglion cysts may be painful. Large ganglia, even if they are not painful, are unattractive. Smaller ganglions that remain hidden under the skin (occult ganglions) may be quite painful.



A ganglion grows out of a joint, like a balloon on a stalk. It rises out of the connective tissues between bones and muscles. Inside the balloon is a thick, slippery fluid similar to the fluid in your joints. Usually, the more active the wrist, the larger the cyst becomes. With rest, the lump generally decreases in size.


Diagnosis 

Your doctor may ask you how long you have had the ganglion, whether it changes in size, and whether it is painful. Pressure may be applied to identify any tenderness. A penlight may be held up to the cyst to see whether light shines through. X-rays may be taken to rule out other conditions, such as arthritis or a bone tumor. Sometimes, an MRI or ultrasound is needed to find a ganglion cyst that is not visible.



Treatment 

Initial treatment is not surgical.

Observation.
Because the ganglion is not cancerous and may disappear in time, just
waiting and watching may be enough to make sure that no unusual changes occur.
Immobilization.
Activity often causes the ganglion to increase in size. This is because
activity increases pressure on nerves, causing pain. A wrist brace or splint may relieve symptoms, letting the ganglion decrease in size. As pain decreases, your doctor may prescribe exercises to strengthen the wrist and improve range of motion.
Aspiration.
If the ganglion causes a great deal of pain or severely limits activities, the
fluid may be drained from it. This procedure is called "aspiration." The area around the ganglion cyst is numbed and the cyst is punctured with a needle so that the fluid drains away.

Nonsurgical treatment leaves the outer shell and the stalk of the ganglion intact, so it may reform and reappear.

The ganglion cyst can be removed through outpatient surgery, but this is no guarantee that the cyst will not grow again. Surgery may also include removing part of the involved joint capsule or tendon sheath. There may be some tenderness, discomfort, and swelling after surgery. Normal activities usually may be resumed two to six weeks after surgery.

Frozen Shoulder


Frozen shoulder is characterized by pain and loss of motion or stiffness in the shoulder. It affects about two percent of the general population. Frozen shoulder most commonly affects patients between the ages of 40 and 60 years, with no clear predisposition based on sex, arm dominance, or occupation.


Cause 

Anatomy of the shoulder, showing the ligaments and bones.

The causes of frozen shoulder are not fully understood. The process involves thickening and contracture of the capsule surrounding the shoulder joint.

Frozen shoulder occurs much more commonly in individuals with diabetes, affecting 10 percent to 20 percent of these individuals. Other medical problems associated with increased risk of frozen shoulder include: hypothyroidism, hyperthyroidism, Parkinson's disease, and cardiac disease or surgery.

Frozen shoulder can develop after a shoulder is immobilized for a period of time. Attempts to prevent frozen shoulder include early motion of the shoulder after it has been injured.



Symptoms 

Pain due to frozen shoulder is usually dull or aching. It can be worsened with attempted motion. The pain is usually located over the outer shoulder area and sometimes the upper arm.


The hallmark of the disorder is restricted motion or stiffness in the shoulder. The affected individual cannot move the shoulder normally. Motion is also limited when someone else attempts to move the shoulder for the patient.

Some physicians have described the normal course of a frozen shoulder as having three stages:

• Stage one: In the "freezing" stage, the patient develops a slow onset of pain. As the pain worsens, the shoulder loses motion. This stage may last from six weeks to nine months.
• Stage two: The "frozen" stage is marked by a slow improvement in pain, but the stiffness remains. This stage generally lasts four months to nine months.
• Stage three: The final stage is the "thawing," during which shoulder motion slowly returns toward normal. This generally lasts five months to 26 months.


Diagnosis 

A doctor can diagnose frozen shoulder based on the patient's symptoms and a physical examination.

X-rays or MRI (magnetic resonance imaging) studies are sometimes used to rule out other causes of shoulder stiffness and pain, such as a rotator cuff tear.

Treatment 

Frozen shoulder will generally get better on its own. However, this takes some time, occasionally up to two to three years. Treatment is aimed at pain control and restoring motion.


Nonsurgical Treatment 

Pain control can be achieved with anti-inflammatory medications. These can include pills taken by mouth, such as ibuprofen, or by injection, such as corticosteroids.


Physical therapy is used to restore motion. This may be under the direct supervision of a physical therapist or via a home program. Therapy includes stretching or range-of-motion exercises for the shoulder. Sometimes, heat is used to help decrease pain. Examples of some of the exercises that might be recommended can be seen in the following figures.

If these methods fail, nerve blocks are sometimes used to limit pain and allow more aggressive physical therapy.


More than 90 percent of patients improve with these relatively simple treatments. Usually, the pain resolves and motion improves. However, in some cases, even after several years the motion does not return completely and a small amount of stiffness remains.


Surgical Treatment 

Surgical intervention is considered when there is no improvement in pain or shoulder motion after an appropriate course of physical therapy and anti-inflammatory medications. When more invasive measures are considered, the patient must always consider that most individuals will get better if given sufficient time and that surgery always has risk involved.

Surgical intervention is aimed at stretching or releasing the contracted joint capsule of the shoulder. The most common methods include manipulation under anesthesia and shoulder arthroscopy:

Manipulation under anesthesia involves putting the patient to sleep and forcing the shoulder to move. This process causes the capsule to stretch or tear.

With shoulder arthroscopy, the surgeon makes several small incisions around the shoulder. A small camera and instruments are inserted through the incisions. These instruments are used to cut through the tight portions of the joint capsule.

Often, manipulation and arthroscopy are used together in combination to obtain maximum results. Most patients have very good results with these procedures.

After surgery, physical therapy is important to maintain the motion that was achieved with surgery. Recovery time varies, from six weeks to three months.

Flexible Flatfoot


Flexible Flatfoot in Children 

Flexible flatfoot is a condition in which the arch of the foot shrinks or disappears upon standing. Upon sitting or when the child is on tiptoes, the arch reappears. Parents and other family members often worry needlessly that an abnormally low or absent arch in a child's foot will lead to permanent deformities or disabilities. Most children eventually outgrow flexible flatfoot without any problems. The condition usually is painless and does not interfere with walking or sports participation.

Flexible flatfoot, showing the absence of an arch when standing.



Symptoms 

A flexible flatfoot has normal muscle function and good joint mobility and is considered to be a variation of normal. As the child grows and walks on it, the foot's soft tissues tighten, shaping its arch gradually. Flexible flatfoot often continues until the child is at least age 5 years or older. If flexible flatfoot continues into adolescence, the child may experience aching pain along the
bottom of the foot. A doctor should be consulted if the child's flatfeet cause pain.


Diagnosis 

To make the diagnosis, the doctor will examine the child to rule out other types of flatfeet that may require treatment. These include flexible flatfoot with a tight heel cord, or rigid flatfoot, which is a more serious condition.

The doctor will look for patterns of wear on the child's everyday shoes. Tell the doctor if anyone else in the family is flatfooted, as this may be an inherited condition. It is important to know about any known neurological or muscular disease in the child.

The arch disappears when standing (left) and reappears when the child is on tiptoes (right).

The doctor may ask the child to sit, stand, raise the toes while standing, and stand on tiptoe. He or she will probably examine the child's heel cord (Achilles tendon) for tightness and may check the bottom of the foot for calluses.



Treatment 

Nonsurgical Treatment 

Treatment for flexible flatfoot is required only if the child is experiencing symptoms of discomfort from the condition.

If the child has activity-related pain or tiredness in the foot/ankle or leg, the doctor may recommend stretching exercises for the heel cord.

A child at age 3 years (left) with flexible flatfoot. The same child at age 15 years (right) has a normal arch despite having received no treatment.

If discomfort continues, the doctor may recommend shoe inserts. Soft-, firm-, and hard-molded arch supports may relieve the child's foot pain and fatigue in many cases. They can also extend the life of his or her shoes, which may otherwise wear unevenly. Sometimes a doctor may prescribe physical therapy or casting if your child has flexible flatfoot with tight heel cords.


Surgical Treatment 

Occasionally, surgical treatment will be necessary for an adolescent with persistent pain. A small number of flexible flatfeet become rigid instead of correcting with growth. These cases may need further medical evaluation.

Femoroacetabular Impingement


Femoroacetabular impingement (FAI) is a condition where the bones of the hip are abnormally shaped. Because they do not fit together perfectly, the hip bones rub against each other and cause damage to the joint.


Anatomy 

The hip is a ball-and-socket joint. The socket is formed by the acetabulum, which is part of the large pelvis bone. The ball is the femoral head, which is the upper end of the femur (thighbone).

A slippery tissue called articular cartilage covers the surface of the ball and the socket. It creates a smooth, low friction surface that helps the bones glide easily across each other.

The acetabulum is ringed by strong fibrocartilage called the labrum. The labrum forms a gasket around the socket, creating a tight seal and helping to provide stability to the joint.

In a healthy hip, the femoral head fits perfectly into the acetabulum.



Description 

In FAI, bone spurs develop around the femoral head and/or along the acetabulum. The bone overgrowth causes the hip bones to hit against each other, rather than to move smoothly. Over time, this can result in the tearing of the labrum and breakdown of articular cartilage (osteoarthritis).


Types of FAI 

There are three types of FAI: pincer, cam, and combined impingement.

Pincer. This type of impingement occurs because extra bone extends out over the normal rim of the acetabulum. The labrum can be crushed under the prominent rim of the acetabulum.

Cam. In cam impingement the femoral head is not round and cannot rotate smoothly inside the acetabulum. A bump forms on the edge of the femoral head that grinds the cartilage inside the acetabulum.

Combined. Combined impingement just means that both the pincer and cam types are present.
(Left) Pincer impingement. (Right) Cam impingement.



How FAI Progresses 

It is not known how many people may have FAI. Some people may live long, active lives with FAI and never have problems. When symptoms develop, however, it usually indicates that there is damage to the cartilage or labrum and the disease is likely to progress. Symptoms may include pain, stiffness, and limping.



Cause 

FAI occurs because the hip bones do not form normally during the childhood growing years. It is the deformity of a cam bone spur, pincer bone spur, or both, that leads to joint damage and pain. When the hip bones are shaped abnormally, there is little that can be done to prevent FAI.

Because athletically active people may work the hip joint more vigorously, they may begin to experience pain earlier than those who are less active. However, exercise does not cause FAI.



Symptoms 

People with FAI usually have pain in the groin area, although the pain sometimes may be more toward the outside of the hip. Sharp stabbing pain may occur with turning, twisting, and squatting, but sometimes, it is just a dull ache.


Home Remedies 

When symptoms first occur, it is helpful to try and identify an activity or something you may have done that could have caused the pain. Sometimes, you can just back off on your activities, let your hip rest, and see if the pain will settle down. Over-the-counter anti-inflammatory medicines (ibuprofen, naproxen) may help.


If your symptoms persist, you will need to see a doctor to determine the exact cause of your pain and provide treatment options. The longer painful symptoms go untreated, the more damage FAI can cause in the hip.


Doctor Examination 

During your first appointment, your doctor will discuss your general health and your hip symptoms. He or she will also examine your hip.


Impingement Test 

As part of the physical examination, your doctor will likely conduct the impingement test. For this test, your doctor will bring your knee up towards your chest and then rotate it inward towards your opposite shoulder. If this recreates your hip pain, the test result is positive for impingement.


Imaging Tests 

Your doctor may order imaging tests to help determine whether you have FAI.

X-rays. These provide good images of bone, and will show whether your hip has abnormally shaped bones of FAI. X-rays can also show signs of arthritis.

Computed tomography (CT) scans. More detailed than a plain x-ray, CT scans help your doctor see the exact abnormal shape of your hip.

Magnetic resonance imaging (MRI) scans. These studies can create better images of soft tissue. They will help your doctor find damage to the labrum and articular cartilage. Injecting dye into the joint during the MRI may make the damage show up more clearly. Your doctor may also inject a numbing medicine into the joint as a diagnostic test. If the numbing medicine provides temporary pain relief, it confirms that FAI is the problem.


Treatment 

Nonsurgical Treatment 

Activity changes. Your doctor may first recommend simply changing your daily routine and avoiding activities that cause symptoms.

Non-steroidal anti-inflammatory medications. Drugs like ibuprofen can be provided in a prescription-strength form to help reduce pain and inflammation.


Physical therapy. Specific exercises can improve the range of motion in your hip and strengthen the muscles that support the joint. This can relieve some stress on the injured labrum or cartilage.


Surgical Treatment 

If tests show joint damage caused by FAI and your pain is not relieved by nonsurgical treatment, your doctor may recommend surgery.

Many FAI problems can be treated with arthroscopic surgery. Arthroscopic procedures are done with small incisions and thin instruments. The surgeon uses a small camera, called an arthroscope, to view inside the hip.

During arthroscopy, your doctor can repair or clean out any damage to the labrum and articular cartilage. He or she can correct the FAI by trimming the bony rim of the acetabulum and also shaving down the bump on the femoral head. Some severe cases may require an open operation with a larger incision to accomplish this.


(Left) During arthroscopy, your surgeon inserts an arthroscope through a small incision about the size of a buttonhole. (Right) Other instruments are
inserted through separate incisions to treat the problem.


Long-Term Outcomes 

Surgery can successfully reduce symptoms caused by impingement. Correcting the impingement can prevent future damage to the hip joint. However, not all of the damage can be completely fixed by surgery, especially if treatment has been put off and the damage is severe. It is possible that more problems may develop in the future.

While there is a small chance that surgery might not help, it is currently the best way to treat painful FAI.

Slipped Capital Femoral Epiphysis


Slipped capital femoral epiphysis (SCFE) is an unusual disorder of the adolescent hip. It is not rare. For reasons that are not well understood, the ball at the upper end of the femur (thigh bone) slips off in a backward direction. This is due to weakness of the growth plate. Most often, it develops during periods of accelerated growth, shortly after the onset of puberty.



The patient's left hip (arrow) shows that a slight shift of the head of the femur occurred through the growth plate.


The condition is diagnosed based on a careful history, physical examination, observation of the gait/walking pattern, and X-rays of the hip. The X-rays help confirm the diagnosis by demonstrating that the upper end of the thigh bone does not line up with the portion called the femoral neck.


Risk Factors 

The cause of SCFE is unknown. It occurs two to three times more often in males than females. A large number of patients are overweight for their height. In most cases, slipping of the epiphysis is a slow and gradual process. However, it may occur suddenly and be associated with a minor fall or trauma. Symptomatic SCFE, treated early and well, allows for good long-term hip function.



Symptoms 

The typical patient has a history of several weeks or months of hip or knee pain and an intermittent limp. The appearance of the adolescent is characteristic. He or she walks with a limp. In certain severe cases, the adolescent will be unable to bear any weight on the affected leg. The affected leg is usually turned outward in comparison to the normal leg. The affected leg may also appear to be shorter.



Diagnosis 

The physical examination will show that the hip does not have full and normal range of motion. There is often a loss of complete hip flexion and ability to fully rotate the hip inward. Because of inflammation in the hip, there is often pain at the extremes of motion and involuntary muscle guarding and spasm.



Treatment 

The goal of treatment, which requires surgery, is to prevent any additional slipping of the femoral head until the growth plate closes. If the head is allowed to slip farther, hip motion could be limited. Premature osteoarthritis could develop. Treatment should be immediate. In most cases, treatment begins within 24 to 48 hours.

Early diagnosis of SCFE provides the best chance to achieve the treatment goal of stabilizing the hip.
A screw is inserted to prevent any further slip of the femoral head through the growth plate.
Fixing the femoral head with pins or screws has been the treatment of choice for decades.
Depending on the severity of he child's condition, the surgeon will recommend one of three surgical options.

• Placing a single screw into the thighbone and femoral epiphysis.
• Reducing the displacement and placing one or two screws into the femoral head.
• Removing the abnormal growth plate and inserting screws to aid in preventing    any further displacement.


Complications 

There are several potential complications associated with a slipped capital femoral epiphysis. The most common are avascular necrosis (AVN) of the femoral head and chondrolysis.

Avascular necrosis means that the blood supply to the femoral head has been permanently altered by the femoral head slipping. There is no way to identify children at risk for avascular necrosis or to prevent this complication. Evidence of avascular necrosis may not be seen on X-rays for as long as 6 to 24 months following surgery.
Chondrolysis, or loss of articular cartilage of the hip joint, is a major complication of SCFE. It may cause the hip to stiffen with a permanent loss of motion, flexion contracture, and pain. The loss of motion may be a result of an inflammation in the hip joint. This is still not fully understood by surgeons. Aggressive physical therapy and anti-inflammatory medications may be prescribed for this rare complication. There may be some return of motion.



Care After Surgery 

Most likely, the child will be admitted to the hospital by a pediatric orthopaedist. Surgery is usually performed within 24 to 48 hours. After surgery, the child will be on crutches for weeks to months. A physical therapist will demonstrate how to use crutches. The doctor will give you specific instruction about your child's weight-bearing status and activity restrictions. Follow the instructions closely.

It is important that your child be followed closely for 18 to 24 months after surgery. After the immediate postoperative period, X-rays every 3 to 4 months are needed to ensure that the abnormal growth plate has fused.

Your child may be restricted from certain sports and activities during this time of recuperation. This helps to minimize the chance of further complications. The fusion must be mature enough to prevent further slippage. Then, vigorous physical activities can begin.

What ethical, regulatory, and security challenges accompany AI implementation in healthcare settings?

 What ethical, regulatory, and security challenges accompany AI implementation in healthcare settings? The implementation of AI in healthcar...