Health
Cosmetic fillers can cause deadly complication, experts warn — but new tech exposes it
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Each year, more than 5 million cosmetic filler procedures are performed in the U.S. — but these injectables can potentially block key blood vessels, putting patients at risk for serious harm.
In a study presented this week at the annual meeting of the Radiological Society of North America (RSNA) in Chicago, doctors found that ultrasound technology can spot these dangerous blockages early enough to guide treatment and help prevent lasting injury.
The researchers looked at data from 100 patients from six different locations who experienced vascular complications after hyaluronic acid filler injections. All data were collected between May 2022 and April 2025, according to a press release.
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They found that ultrasounds successfully detected vascular occlusion, which is a blockage in a blood vessel that stops normal blood flow.
If this condition goes untreated, it can cause pain, skin damage and scarring — and, in severe cases, vision loss or stroke.
Each year, more than 5 million cosmetic filler procedures are performed in the U.S. — but these injectables can potentially block key blood vessels. (iStock)
“Doppler ultrasound helps doctors see exactly where the filler is, how the blood is flowing in real time, and whether blood vessels may have been affected after a cosmetic procedure,” lead researcher Rosa Maria Silveira Sigrist, M.D., attending radiologist at the University of São Paulo in Brazil, told Fox News Digital.
“The physical exam continues to be very important, but the ultrasound adds extra information that makes the evaluation safer and the treatment more precise.”
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In the study, more than 40% of patients had blockages in the perforator vessels, which are small connecting blood vessels, while 35% had major facial arteries that showed no blood flow.
The nasal region was identified as the highest-risk area, as the lateral nasal artery runs along the side of the nose and supplies blood to larger arteries that lead toward the eye and the brain.
Doctors found that ultrasound technology can spot dangerous blockages early enough to guide treatment and help prevent lasting injury. (iStock)
“Vascular occlusion after filler injections can lead to devastating outcomes, including skin necrosis, tissue loss, and — in the worst cases — blindness and even stroke,” Dr. Anthony Berlet, a board-certified plastic surgeon in New Jersey, who was not involved in the research, told Fox News Digital.
“Once a critical artery — for example, one feeding the retina or skin — is occluded by filler or embolus, the damage may be irreversible.”
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In the hands of an experienced, licensed professional using proper techniques, the risk of a vascular occlusion should be less than 1%, according to Dr. Samuel Golpanian, a double board-certified plastic surgeon in Beverly Hills.
“But if fillers are done by someone untrained or using the wrong needles or methods, the complication rate can be much higher — 10% to 20%, which is completely unacceptable,” Golpanian, who also did not work on the study, told Fox News Digital.
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Ultrasound helped doctors pinpoint the locations of the blockages, allowing them to place a dissolving enzyme (hyaluronidase) right where it was needed and avoid using large, guesswork doses.
The researchers suggested that using ultrasound during the injection itself could help to prevent blood-vessel injuries and enable faster, more precise treatment if blockages occur.
In the hands of an experienced, licensed professional using proper techniques, the risk of a vascular occlusion should be less than 1%, one plastic surgeon stated. (iStock)
“Ideally, ultrasound should be integrated into care in a way that supports timely decision-making — either as an immediate point-of-care tool in trained hands, or to confirm and optimize management once initial rescue therapy has begun,” Dr. Asif Pirani, a board-certified cosmetic plastic surgeon in Toronto, Canada, told Fox News Digital.
To minimize dangerous complications, Pirani — another outside expert not involved in the study — emphasized that injectable treatments should be performed by board-certified specialists with formal training in facial anatomy and complication protocols.
Study limitations
Some limitations of the study were noted, including its relatively small sample size (100 adults) and the fact that it has not yet been peer-reviewed.
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“Another limitation we noticed is that the Doppler exam is performed differently even among very experienced specialists,” the lead researcher told Fox News Digital. “This shows how important it is to create clear, standardized guidelines, so the exam can be done in a more consistent way.”
“Once a critical artery is occluded by filler or embolus, the damage may be irreversible.”
Also, all study participants experienced significant complications, which means the findings may not apply to those with milder cases or different filler types.
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There could also be some degree of geographic bias, as the research was conducted in Brazil, where training standards may differ from the U.S.
Future studies are needed to follow more patients over longer time periods and track their recovery after ultrasound-guided treatment, the study noted.
Health
Starting a GLP-1? Doctors Reveal Surprising Benefits and Side Effects
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Health
Greater weight loss promised by higher-dose Wegovy shot, now approved by FDA
Novo Nordisk to slash Wegovy, Ozempic list prices
Board certified rheumatologist Dr. Mahsa Tehrani discusses Novo Nordisk’s decision to dramatically cut the U.S. list prices for its popular diabetes and weight-loss drugs Ozempic and Wegovy on ‘America Reports.’
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The U.S. Food and Drug Administration announced on Thursday its approval of a new, higher-dose Wegovy (semaglutide) injection.
The 7.2 mg dosage, called Wegovy HD, is intended for weight loss and long-term weight loss maintenance for adult patients. It is triple the previous maximum dose of 2.4 mg.
This marks the fourth approval in the FDA’s National Priority Voucher pilot program, which “seeks to expedite approval of applications that address critical national health priorities,” according to FDA Commissioner Dr. Martin Makary.
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“The new FDA is moving with unprecedented efficiency on products that advance national priorities,” he said in a press release. “Today’s approval is another demonstration of what the FDA can accomplish when we try bold new things.”
The U.S. Food and Drug Administration announced on Thursday its approval of a new, higher-dose Wegovy (semaglutide) injection. (Michael Siluk/UCG/Universal Images Group via Getty Images)
The higher-dose GLP-1 is indicated to “reduce excess body weight and maintain weight reduction long-term in adults with obesity, or overweight with at least one weight-related condition,” per the FDA’s statement.
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“The approval of a new higher dose will provide adult patients with an additional therapeutic option, offering the potential for greater weight loss,” the agency stated.
The FDA’s approval, granted to drugmaker Novo Nordisk, was supported by clinical data that found higher doses resulted in additional average weight reduction compared to previous dosing.
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Higher-dose patients with both obesity and type 2 diabetes saw similar lowering of blood sugar compared to the lower dose, the agency noted.
The safety profile is consistent with the known side effects of semaglutide, which commonly include gastrointestinal reactions like nausea, vomiting, diarrhea, constipation and abdominal pain.
Wegovy HD (7.2 mg) is triple the dosage compared to the previous maximum dose of 2.4 mg. (Steve Christo – Corbis/Corbis via Getty Images)
Skin sensitivity, pain or burning occurred more frequently with higher doses of Wegovy, but generally resolved on their own or with dose reduction, the FDA reported. The agency is investigating these adverse effects.
The FDA warned that Wegovy should not be used by patients with a personal or family history of medullary thyroid carcinoma (a type of thyroid cancer) or who have multiple endocrine neoplasia syndrome type 2 (a rare inherited genetic disorder that causes tumors to develop in certain hormone-producing glands). All patients should see a doctor for guidance on proper use.
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Jamey Millar, executive vice president of U.S. operations for Novo Nordisk, commented on this approval in a press release.
“We are excited to bring Wegovy HD injection to adults with obesity who are looking for powerful weight loss, as no other weight-loss medicine has been studied to show superiority to Wegovy HD,” he said.
Millar also noted that Wegovy has been shown to reduce the risk of events such as stroke, heart attack or cardiovascular death in those who also have known heart disease.
A weight-loss expert warned that Wegovy HD should be used only for obesity management. (iStock)
Dr. Peter Balazs, a hormone and weight-loss specialist practicing in New York and New Jersey, reflected on results of the STEP UP clinical trial, on which the drug’s approval was based.
Patients taking the higher dose experienced an average weight loss of 20.7% compared to about 16% on the standard dose, the doctor noted. About one-third lost 25% or more of their body weight.
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“For patients who start on 2.4 mg and then hit a frustrating plateau, or for those with a very high baseline BMI who may need a stronger metabolic push, this creates a legitimate, evidence-based escalation path rather than forcing an early switch to another drug class,” Balazs, who was not involved in the study, told Fox News Digital.
“That said, I think this is an interesting approval, but I do not expect it to dramatically reshape the GLP-1 landscape,” he went on. “It gives Novo Nordisk an opportunity to remain competitive on efficacy while it continues developing next-generation therapies.”
“This creates a legitimate, evidence-based escalation path.”
“Other drugs have already shown greater efficacy in prior studies, and the broader GLP-1 space is likely to see much more significant change as new molecules enter the market.”
Balazs called the higher dosage a “major jump,” noting that the incidences of stomach- and skin-related side effects at this higher dose are “meaningful.”
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“This approval is for obesity management, not diabetes treatment,” the expert emphasized. “For patients with type 2 diabetes, currently approved semaglutide dosing remains lower unless the primary treatment goal is weight loss under the obesity indication.”
Fox News Digital reached out to the FDA for comment.
Health
March Madness sparks surprising surge in sexual procedure for men
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For some men, March Madness isn’t just about brackets — it’s also prime time for a vasectomy.
Previous research has shown that demand for the procedure tends to spike during the NCAA Division I men’s and women’s college basketball tournaments, which are held every spring.
Some surgeons have agreed that this is a real phenomenon, largely because the steady stream of games offers the perfect activity for men recovering on the couch.
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A vasectomy is a simple surgical procedure for men that blocks the vas deferens, the tube that transports sperm, serving as a permanent form of contraception.
Recovery typically takes a few days to a week, with doctors recommending rest for 48 hours and light activity soon after.
Previous research has shown that demand for vasectomies tends to spike during the NCAA Division I men’s and women’s college basketball tournaments, which are held every spring. (iStock)
David Gentile, MD, chief of the department of urology at Highland Hospital, recently spoke to the University of Rochester Medical Center about the uptick in vasectomies during March Madness.
“It’s a great excuse to watch without interruption.”
“We tell patients they should plan on going home and putting their feet up after a vasectomy, so timing the procedure to watch some games while you recover works well,” he said.
“And it’s a great excuse to watch without interruption, as you won’t be able to do physical labor around the house while you’re recovering.”
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Jim Dupree, MD, associate professor of urology at Michigan Medicine, has also spoken about the trend.
“Major sporting events are a popular time for men to schedule a vasectomy because we advise them to take it easy for two to three days after the procedure,” he said in a press release for Michigan Medicine.
A vasectomy is a simple surgical procedure for men that blocks the vas deferens, the tube that transports sperm, serving as a permanent form of contraception. (iStock)
“For most men, this means sitting on the couch in front of their television, and sporting events offer them something to watch while resting.”
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Yet another surgeon, Dr. Ali Dabaja, director of male reproductive and sexual medicine at the Vattikuti Urology Institute at Henry Ford Hospital in Detroit, Michigan, weighed in on the topic in 2024.
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“After a vasectomy, we ask men to rest, not to lift anything heavy, and to go back to light duties during that week. So, timing the procedure for watching some games while you recover works well, and it’s a great excuse to watch March Madness without interruption,” he told the Urology Care Foundation.
“Historically, we have usually seen a rise in vasectomy consultations and vasectomies during March Madness,” he went on. “Other urology offices have reported a rise in vasectomies between 20% to 40%.”
“After a vasectomy, we ask men to rest, not to lift anything heavy, and to go back to light duties during that week, a surgeon said. (iStock)
A 2018 study published in the journal Urology found that March was one of the higher-volume months for vasectomy procedures, but the highest peaks were actually later in the year, particularly November and December.
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There were some limitations to that study, primarily that the monthly variation was observational, and the data lacked context of patients’ behaviors and scheduling.
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