DR. DAVID W. PRIESKORN, D.O.

Plain English
This study examined a specific genetic mutation in rabbits that causes progressive loss of vision and hearing, similar to the condition known as Usher syndrome. Researchers created rabbits with a mutation in the USH2A gene and found that these rabbits experienced significant vision and hearing loss: by 7 months, their vision had started to decline, and by 15 to 22 months, it declined further. This is important because it offers a new model for studying the disease and developing potential treatments. Who this helps: This research benefits patients with Usher syndrome and their families.

Plain English
This study tested how loud noises similar to gunfire affect hearing loss and the ability to perceive gaps in sounds, which can indicate tinnitus, in rats. The researchers found that exposure to such noise led to a significant loss of important connections in the ear, with about one-third of these connections lost, and half of the rats showed poorer gap detection, suggesting tinnitus. Treatment with certain drugs reduced the loss of these connections but did not fully prevent the hearing issues linked to tinnitus. Who this helps: This research benefits patients at risk for hearing loss, especially veterans and others exposed to loud gunfire.

Plain English
This study looked at how two drugs, Piribedil and Memantine, can protect hearing by reducing damage to inner hair cells in rats exposed to loud noise. The researchers found that combining these drugs significantly lowered the loss of important synaptic structures by 26% to 38% in specific areas after the noise exposure, which helps maintain better hearing sensitivity. This matters because it points to potential treatments that could help prevent hearing loss caused by loud sounds. Who this helps: Patients at risk of noise-induced hearing loss.

Plain English
This study looked at how severe deformities in the back part of the foot affect ankle alignment and found that correcting these issues is difficult, especially since nonsurgical treatments are limited for patients who can't undergo surgery. Properly aligning the ankle requires fixing other related foot problems first to ensure a successful outcome. The main goals of treatment are to improve foot flexibility and make sure the foot is pain-free and functions well without needing additional support. Who this helps: This research benefits patients with foot deformities and their doctors.

Plain English
This study looked at how well guinea pig ears tolerate a substance called N-chlorotaurine (NCT), which is a gentle antimicrobial agent. Researchers applied different doses of NCT to the animals' middle ears and found that a larger dose (100 microL) caused serious side effects, like dizziness and hearing loss, while a smaller, isotonic dose (27 microL) showed no adverse reactions. This is important because it suggests that NCT could be a safe treatment option for ear infections if administered correctly. Who this helps: This helps patients with ear infections and the doctors who treat them.

Plain English
This study looked at a surgical method called autologous osteochondral grafting to treat damaged cartilage in the ankle bone (talar cartilage defects) of 19 patients who had not found relief from earlier treatments. After the surgery, patients reported an average ankle function score of 88 out of 100, with 89% saying they would choose the surgery again. This matters because it shows that this procedure can effectively improve pain and function in patients with long-term cartilage problems who have not experienced success from other treatments. Who this helps: This helps patients suffering from cartilage injuries in the ankle, particularly those who have not found relief from other treatments.

Plain English
The study focused on how to examine the foot and ankle in patients with neuromuscular disorders, which can change how these areas function. It highlighted three key questions to guide the examination: whether the foot can lie flat, the location of any pain, and if the foot is flexible. Understanding these factors is important for accurately diagnosing and treating these conditions. Who this helps: This helps doctors who are treating patients with neuromuscular disorders.

Plain English
The study looked at how effective a sciatic nerve block was for pain relief after major foot or ankle surgery in 86 patients. It found that 97% of patients got good pain relief from the block, which lasted about 20 hours, and they took an average of three pain pills in the first day after surgery. Notably, most patients felt this method was better than their past pain management experiences and 95% were happy with it and would choose it again. Who this helps: This helps patients recovering from foot or ankle surgery.

Plain English
This study looked at a surgical procedure called arthrodesis to treat severe pain and loss of function in patients with osteoarthritis in their foot joints. Out of 40 patients treated, 93% reported being satisfied with the results after an average of six years, and the surgery successfully enabled healing in 98% of cases. This matters because it shows that this procedure can significantly improve the quality of life for patients suffering from debilitating foot joint pain. Who this helps: Patients with severe foot joint pain due to osteoarthritis.

Plain English
This study looked at the movement of a specific joint in the foot, called the first metatarsocuneiform joint, in 50 healthy volunteers. The researchers found that the average normal movement for this joint is about 4.37 degrees. They also discovered that flexibility in the thumb is related to greater motion in this foot joint, but other factors like age and gender do not affect this movement. Who this helps: This information benefits doctors and physical therapists working with foot health and mobility.

Plain English
This study looked at how different types of injuries affect the big toe joint in cadaver feet. Researchers tested the joint under stress and found three main types of damage: tearing of the joint capsule above the sesamoid bones, tearing of a key support structure below them, and damage that allows the sesamoids to move out of place. These injuries can severely impact the soft tissues in the foot, which is important for joint stability and movement. Who this helps: This helps patients recovering from or at risk of foot injuries, as well as doctors treating these conditions.

Plain English
This study looked at how the reaming process during hip surgery affects the movement of hip components in patients who received bipolar hip replacements. Researchers analyzed 64 patients over an average of 3.1 years and found that reaming did not impact overall hip function scores but did change how hip components moved: reamed hips showed better inner movement compared to non-reamed hips. This is important because understanding how surgical techniques affect hip component motion can guide doctors in improving hip replacement outcomes for their patients. Who this helps: Patients undergoing hip replacement surgery.

Plain English
This study looked at how well a specific hip surgery, called bipolar hemiarthroplasty, worked for patients with primary osteoarthritis. It involved 68 patients who showed an average improvement of 45.7 points in their hip function scores after surgery, going from a score of 35.5 before the operation to 81.2 afterward. However, their results were not as good as those of patients who underwent a different surgery, total hip arthroplasty, which had an average score of 87.2. Who this helps: This information helps doctors make better decisions about hip surgery options for patients with osteoarthritis.

Plain English
This study examined the structure of the plantar plate, a key part of the joint at the base of the big toe, using X-rays from 200 feet. Researchers established standard measurements for what is considered normal, which will help doctors evaluate foot health more accurately. They found that 13.5% of the feet had a specific bone variation known as bipartite sesamoids, with 37% of those cases occurring in both feet. Who this helps: Patients dealing with foot problems and their doctors.

Plain English
This study looked at four people who had injuries in their feet that affected a specific joint and the nearby sesamoid bones. The researchers found that all patients experienced pain under the joint and during movement, and two of them had fractures in the sesamoid bones. Most importantly, after non-surgical treatment, two patients returned to their normal activities, while one needed surgery to relieve pain, and one is still unable to work due to ongoing issues. Who this helps: This research helps patients with foot injuries and doctors treating them.

Plain English
This study looked at how two drugs, 5-bromo-2'-deoxyuridine (BrdUrd) and 5-iodo-2'-deoxyuridine (IdUrd), get included in the DNA of tumors in rabbits and how this process can be enhanced by certain other drugs. The researchers found that when a drug called 5-fluoro-2'-deoxyuridine (FdUrd) was given, there was a significant increase in how much IdUrd was included in the tumor DNA (the increase was statistically significant with a P value of less than 0.01). This is important because improving the way these drugs are taken up by tumors could lead to better treatments for cancer patients. Who this helps: This helps cancer patients by potentially improving the effectiveness of treatments that target tumor DNA.

Plain English
The researchers studied how a drug called floxuridine (FUDR), given continuously to dogs with implanted pumps, affects the liver and bile ducts. They found that after 30 days of treatment, the dogs showed significant liver damage signs, including rising liver enzyme levels and bile buildup, which confirmed that FUDR can lead to serious complications like bile duct scarring. This matters because it helps better understand the risks of using FUDR in cancer patients, allowing for better monitoring and management of potential side effects. Who this helps: This helps doctors treating cancer patients, particularly those using floxuridine therapy.

Plain English
This study looked at how two drugs, 5-bromo-2'-deoxyuridine (BrdUrd) and 5-iodo-2'-deoxyuridine (IdUrd), are processed in the bodies of rabbits and dogs. It found that both drugs follow similar patterns in how they are eliminated from the bloodstream, with specific steady-state concentrations observed during the testing. For BrdUrd, the rate needed to fully process the drug was about 1.23 in rabbits and 1.25 in dogs, which shows that both animals handle the drug similarly. Who this helps: This helps doctors who treat patients with drugs like BrdUrd and IdUrd.

Plain English
This study looked at the effects of a drug called 5-bromo-2'-deoxyuridine (BrdUrd) on liver tumors in rabbits. Researchers found that delivering the drug directly into the liver artery resulted in much higher uptake into the tumors compared to giving it through a vein, with the difference being significant (P less than 0.001). At lower doses of 10 and 20 mg, the drug's incorporation into the liver tumors was significantly greater than in the bone marrow and intestine, showing that this method could effectively target the tumor while minimizing impact on healthy tissues. Who this helps: This benefits patients with liver tumors and their doctors by suggesting a more effective treatment delivery method.

Plain English
Researchers studied a treatment using tiny glass beads, called TheraSphere, loaded with radioactive material to target liver tumors in dogs. They found that even high doses of this treatment, up to 12 times what humans would normally receive, were well tolerated by the dogs, with no severe damage to their livers or bone marrow. This is important because it suggests that a similar treatment could be safe and effective for humans with liver tumors, potentially improving outcomes in cancer therapy. Who this helps: This benefits patients with liver cancer and their doctors.

Plain English
Researchers developed a straightforward way to access the bile ducts in dogs and pigs for long-term study. They successfully inserted a catheter in 10 dogs and 3 out of 4 pigs, enabling them to perform 35 imaging tests to examine the bile ducts over four months without any problems. This method is important because it allows for ongoing monitoring of the biliary system in animals, which can help improve understanding and treatments for related diseases in humans. Who this helps: This helps researchers studying liver and bile duct diseases.