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Orthopedics

Confident, Young Athletes More Likely to Suffer Second ACL Injury

May 20, 2021

WEDNESDAY, May 19, 2021 (HealthDay News) -- Confident, young athletes at the time of return to sport (RTS) after anterior cruciate ligament (ACL) reconstruction are more likely to sustain a second ACL...

Akkermansia muciniphila promotes type H vessels formation and bone fracture healing by reducing gut permeability and inflammation.

May 20, 2021

Improving revascularization is one of the major measures in fracture treatment. Moderate local inflammation triggers angiogenesis, whereas systemic inflammation hampers angiogenesis. Previous studies ...

Uncoiling springs promote mechanical functionality of spider cribellate silk.

May 20, 2021

Composites, both natural and synthetic, achieve novel functionality by combining two or more constituent materials. For example, the earliest adhesive silk in spider webs - cribellate silk - is compos...

In vitro-virtual-reality: an anatomically explicit musculoskeletal simulation powered by in vitro muscle using closed loop tissue-software interaction.

May 20, 2021

Muscle force-length dynamics are governed by intrinsic contractile properties, motor stimulation and mechanical load. Although intrinsic properties are well-characterised, physiologists lack in vitro ...

Walking on chains: the morphology and mechanics behind the fin ray derived limbs of sea-robins.

May 20, 2021

Fish fin rays (lepidotrichia) are typically composed of paired and segmented flexible structures (hemitrichia) that help support and change the shape of the fins to affect water flow. Yet, marine ray-...

Different fuel regulation in two types of myofiber results in different antioxidant strategies in Daurian ground squirrels (Spermophilus dauricus) during hibernation.

May 20, 2021

We previously showed that different skeletal muscles in Daurian ground squirrels (Spermophilus dauricus) possess different antioxidant strategies during hibernation; however, the reason for these vari...

Seismic sensitivity and bone conduction mechanisms enable extratympanic hearing in salamanders.

May 20, 2021

The tympanic middle ear is an adaptive sensory novelty that evolved multiple times in all of the major terrestrial tetrapod groups to overcome the impedance mismatch generated when aerial sound encoun...

CDC Deputy Director Schuchat to Retire

May 19, 2021

TUESDAY, May 18, 2021 (HealthDay News) -- The U.S. Centers for Disease Control and Prevention principal deputy director is retiring after 33 years with the agency.Anne Schuchat, M.D., joined the CDC i...

Safety of Tranexamic Acid Studied for Orthopedic Surgery in High-Risk Patients

May 19, 2021

TUESDAY, May 18, 2021 (HealthDay News) -- Tranexamic acid is not associated with an increased risk for complications in high-risk patients undergoing hip and knee arthroplasty, according to a study pu...

Brand-Name Competition for Diabetes Drugs Has Variable Impact on Net Prices

May 19, 2021

TUESDAY, May 18, 2021 (HealthDay News) -- Brand-name competition has a variable impact on net drug prices, and price spikes initiated by manufacturers are relatively common and costly, according to tw...

Most Hospitals Not Publicly Posting Price Data

May 19, 2021

TUESDAY, May 18, 2021 (HealthDay News) -- Most U.S. hospitals remain noncompliant with the Centers for Medicare & Medicaid Services (CMS) rule mandating that hospital chargemasters be publicly ava...

Study Shows Disparities in Use of Virtual Orthopedic Services

May 17, 2021

MONDAY, May 17, 2021 (HealthDay News) -- There are disparities in orthopedic telemedicine use based on race or ethnicity, language, and insurance type, according to a study published online May 10 in ...

Fewer Than Half of Physicians Work in Private Practice

May 17, 2021

MONDAY, May 17, 2021 (HealthDay News) -- Less than half of physicians now work in private practice, according to a report released by the American Medical Association (AMA).As part of the AMA Policy R...

Time, Costs of Participation in MIPS Are Considerable

May 17, 2021

FRIDAY, May 14, 2021 (HealthDay News) -- The time and financial costs associated with participating in the U.S. Centers for Medicare & Medicaid Services Merit-based Incentive Payment System (MIPS)...

Galeazzi fracture-dislocations: Long-term prognosis of the distal radioulnar joint.

May 17, 2021

The aim of the present study was to evaluate long-term functional and radiographic outcome in the distal radioulnar joint (DRUJ) for Galeazzi fracture-dislocation after anatomic reduction and rigid fi...

Characteristics of lumbar flexion rhythm at different arm positions.

May 17, 2021

The lumbar spine displays its greatest mobility in ventral flexion, which is a potential risk factor for low back pain. The relative contribution of each segment to the complete flexion is denoted the...

Delay in Hip Fracture Repair in the Elderly: A Missed Opportunity Towards Achieving Better Outcomes.

May 17, 2021

Hip fractures are a major cause of morbidity and mortality in the elderly. The American Academy of Orthopedic Surgeons (AAOS) recommends surgical repair within 48 hours of admission, as this is associ...

Universal Engraftment after Allogeneic Hematopoietic Cell Transplantation Using Cryopreserved CD34 Selected Grafts.

May 17, 2021

As a result of the COVID-19 pandemic, most centers performing allogeneic hematopoietic cell transplant (allo-HCT) have switched to the use of cryopreserved grafts. Previous investigators have suggeste...

Hand Dermatitis Currently Prevalent in Health Care Workers

May 13, 2021

WEDNESDAY, May 12, 2021 (HealthDay News) -- More than 90 percent of health care workers and two-thirds of the general population currently have hand dermatitis, according to a study presented at the E...

American Medical Association Vows to Confront Racism Among Doctors

May 13, 2021

WEDNESDAY, May 12, 2021 (HealthDay News) -- The American Medical Association released a plan on Tuesday to confront structural racism inside the organization and the entire U.S. medical establishment....

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