Why are Black people more likely to develop glaucoma? Scientists discover new clues

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Tom Avril | The Philadelphia Inquirer (TNS)

A team led by University of Pennsylvania scientists has discovered three genetic variants that offer the first strong clues as to why glaucoma disproportionately affects Black people.

The variants are common in people with African ancestry and are associated with a significantly higher risk of developing the sight-robbing disease, the researchers found in their study of more than 11,000 volunteers, including 6,300 from the Philadelphia area.

More research is needed to determine if these variants — each consisting of just a single “letter” among the 3 billion pairs of letters that spell out the human genome — play a direct role in causing glaucoma. But if they stand up to scrutiny, the findings someday could be used to develop better treatments and identify people who could benefit from them, said Shefali Setia Verma, one of the lead study authors and an assistant professor at Penn’s Perelman School of Medicine.

“The idea is that this can help identify individuals who are at higher risk before any symptoms occur,” she said.

Previous studies have found more than 170 other genetic variants that are involved in glaucoma, a condition in which the optic nerve becomes damaged, often as a result of increased pressure inside the eye. But most of those studies were conducted among white or Asian populations — despite the fact that glaucoma is more common in Black people and, when it occurs, is more likely to lead to blindness.

And most of the genetic variants discovered in those previous studies turned out to play little or no role in the disease for Black people, illustrating the need for diversity in study populations, said Penn physician-scientist Joan M. O’Brien.

“It was a hugely unmet need,” she said.

Gaining trust from Black patients

That’s what prompted O’Brien, Verma, and their colleagues to launch the new study, which is among the first — and by far the largest — conducted among Black people.

O’Brien blamed the shortage of studies partly on the justifiable misgivings that many Black people hold about medical research, citing examples of misconduct such as the Tuskegee experiment in which Black men were not treated for syphilis.

Ongoing bias in medicine continues to contribute to mistrust. For instance, Black patients are less likely than white patients to receive pain medication, and less likely to be admitted to the hospital from the emergency room. Until recently, they had to wait longer than white patients for a kidney transplant.

“Clearly there are reasons for individuals of African ancestry to distrust studies and distrust medicine and distrust many things related to science,” she said. “That doesn’t excuse us from trying to involve people of African ancestry.”

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So she and her coauthors then embarked on an unusual campaign to enroll volunteers, spreading the word as they conducted vision screenings at predominantly Black churches, community centers, and health fairs. Eydie Miller-Ellis, a Penn ophthalmologist and study author who is Black, also promoted the study on Black-owned radio station WURD.

They ended up with 11,275 study participants, including the 6,300 that Penn physicians enrolled from the Philly area. The rest came from elsewhere in the United States, as well as Ghana and Nigeria, recruited by collaborators at other institutions.

The scientists started by comparing the genomes of study participants who had glaucoma with the genomes of participants who did not, identifying dozens of genetic variants that differed between the two groups.

Then winnowed down that list to the final three by conducting a series of laboratory studies in human cells. They also validated their findings by checking them against other genetic databases, including Penn Medicine’s own BioBank, a repository of blood and genetic samples of which 17% were contributed by Black people.

Glaucoma risk increase

All three variants were found in noncoding regions of the genome — what used to be erroneously referred to as “junk DNA,” or stretches of DNA that lie outside the genes. But as scientists have found in many other instances, these three variants, despite not being part of any gene, appear to play a role in the activity of nearby genes.

One of the variants was associated with a 75% increase in the risk of glaucoma. The other two each were linked to a 25% increase in risk of the disease.

The three variants appear to play some sort of causal role in the disease, but more work is needed to be sure what that is. O’Brien, director of the Penn Center for Genetics of Complex Disease, hopes that someday the findings could be incorporated into a rapid test, suitable for use in a primary-care office.

Such a test would allow physicians to identify and counsel at-risk patients before they are aware of any symptoms. People with the disease often are unaware they have it, as it typically starts with declining peripheral vision, which patients may not notice at first.

The genetic findings also could guide the development of better drugs, O’Brien said. Currently, physicians treat the disease by trying to lower the pressure inside patients’ eyes, first with medication and later, if needed, surgery.

But those tactics don’t work for everyone in whom the disease is caused by elevated eye pressure, O’Brien said. And in some cases, the disease can occur in people whose eye pressure is normal.

“We know it’s not just the pressure,” she said. “But that’s the only treatment we have to give.”

©2024 The Philadelphia Inquirer, LLC. Visit at inquirer.com. Distributed by Tribune Content Agency, LLC.

Some Medicaid providers borrow or go into debt amid ‘unwinding’ payment disruptions

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Katheryn Houghton | KFF Health News (TNS)

Jason George began noticing in September that Medicaid payments had stalled for some of his assisted living facility residents, people who need help with daily living.

Guardian Group Montana, which owns three small facilities in rural Montana, relies on the government health insurance to cover its care of low-income residents. George, who manages the facilities, said residents’ Medicaid delays have lasted from a few weeks to more than six months and that at one point the total amounted to roughly $150,000.

George said the company didn’t have enough money to pay its employees. When he called state health and public assistance officials for help, he said, they told him they were swamped processing a high load of Medicaid cases, and that his residents would have to wait their turn.

“I’ve mentioned to some of them, ‘Well what do we do if we’re not being paid for four or five months? Do we have to evict the resident?’” he asked.

Instead, the company took out bank loans at 8% interest, George said.

Montana officials finished their initial checks of who qualifies for Medicaid in January, less than a year after the federal government lifted a freeze on disenrollments during the height of the covid-19 pandemic. More than 127,200 people in Montana lost Medicaid with tens of thousands of cases still processing, according to the latest state data, from mid-February.

Providers who take Medicaid have said their state payments have been disrupted, leaving them financially struggling amid the unwinding. They’re providing care without pay, and sometimes going into debt. It’s affecting small long-term care facilities, substance use disorder clinics, and federally funded health centers that rely on Medicaid to offer treatment based on need, not what people can pay.

State health officials have defended their Medicaid redetermination process and said they have worked to address public assistance backlogs.

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Financial pinches were expected as people who legitimately no longer qualify were removed from coverage. But the businesses have said an overburdened state workforce is creating a different set of problems. In some cases, it has taken months for people to reapply for Medicaid after getting dropped, or to access the coverage for the first time. Part of the problem, providers said, are long waits on hold for the state’s call center and limited in-person help.

The problem is ongoing: George said two Guardian residents were booted from Medicaid in mid-March, with the state citing a lack of information as the cause.

“I have proof we submitted the needed information weeks ago,” he said.

Providers said they’ve also experienced cases of inconsistent Medicaid payments for people who haven’t lost coverage. It can be hard to disentangle why payments suddenly stop. Patients and providers are working within the same overstretched system.

Jon Forte is the head of the Yellowstone County health department in Billings, which runs health centers that provide care regardless of patients’ ability to pay. He said that at one point some of the clinics’ routine Medicaid claims went unpaid for up to six months. Their doctors are struggling to refer patients out for specialty care as some providers scale back on clientele, he said.

“Some have honestly had to stop seeing Medicaid patients so that they can meet their needs and keep the lights on,” Forte said. “It is just adding to the access crisis we have in the state.”

Payment shortfalls especially hurt clinics that base fees on patient income.

David Mark, a doctor and the CEO of One Health, which has rural clinics dotted across eastern Montana and Wyoming, said the company anticipated making about $500,000 in profit through its budget year so far. Instead, it’s $1.5 million in the red.

In Yellowstone County, Forte said, the health department, known as RiverStone Health, is down $2.2 million from its anticipated Medicaid revenue. Forte said that while state officials have nearly caught up on RiverStone Health’s direct Medicaid payments, smaller providers are still seeing delays, which contributes to problems referring patients for care.

Jon Ebelt, a spokesperson for the Montana Department of Public Health and Human Services, said Medicaid can retroactively pay for services for people who have lost coverage but are then found eligible within 90 days. He said the state’s average redetermination processing time is 34 days, the average processing time for applications is 48 days, and, when processing times are longer, it’s often due to ongoing communication with a client.

Ebelt didn’t acknowledge broader Medicaid payment delays, but instead said a provider may be submitting claims for Medicaid enrollees who aren’t eligible. He rejected the idea that individual examples of disruptions amount to a systemic problem.

“We would caution you against using broad brush strokes to paint a picture of our overall eligibility system and processes based on a handful of anecdotal stories,” Ebelt said in an emailed response to a KFF Health News query.

Ebelt didn’t directly answer questions about continued long waits for people seeking help but instead said continued coverage depends on individual beneficiaries submitting information on time.

Federal data shows Montana’s average call center wait time is 30 minutes — putting it among states with the highest average wait times. Mike White, co-owner of Caslen Living Centers, which has six small assisted living facilities across central and southwestern Montana, said some family members allowed the company to manage residents’ Medicaid accounts to help avoid missing deadlines or paperwork. Even so, he said, the company is waiting for about $30,000 in Medicaid payments, and it’s hard to reach the state when problems arise.

When they do get through to the state’s call center, the person on the other end can’t always resolve their issue or will answer questions for only one case at a time.

“You don’t know how long it’s going to take — it could be two months, it could be six months — and there’s nobody to talk to,” White said.

Ebelt said long-term care facilities were provided information on how to prepare for the unwinding process. He said new Medicaid cases for long-term care facilities are complicated and can take time.

Stan Klaumann lives in Ennis and has power of attorney for his 94-year-old mom, who resides in one of Guardian’s assisted living homes. Klaumann said that while she never lost coverage, the state didn’t make Medicaid payments toward her long-term care for more than four months and he still doesn’t know why.

He said that since last fall the state hasn’t consistently mailed him routine paperwork he needs to fill out and return in exchange for Medicaid payments to continue. He tried the state’s call center, he said, but each time he waited on hold for more than two hours. He made four two-hour round trips to his closest office of public assistance to try to get answers.

Sometimes the workers told him that there was a state error, he said, and other times that he was missing paperwork he’d already submitted, such as where money from selling his mom’s car went.

“Each time I went, they gave me a different answer as to why my mother’s bills weren’t being paid,” Klaumann said.

Across the nation, people have reported system errors and outdated contact information that led states to drop people who qualify. At least 28 states paused procedural disenrollments to boost outreach to people who qualify, according to federal data. Montana stuck to its original time frame and has a higher procedural disenrollment rate than most other states, according to KFF.

Stephen Ferguson, executive director of Crosswinds Recovery in Missoula, said the substance use disorder program doesn’t have a full-time person focused on billing and sometimes doesn’t realize clients lost Medicaid coverage until the state rejects thousands of dollars in services that Crosswinds submits for reimbursement. After that, it can take months for clients to either get reenrolled or learn they truly no longer qualify.

Ferguson said he’s writing grant proposals to continue to treat people despite their inability to pay.

“We’re riding by the seat of our pants right now,” he said. “We are unsure what next month or the next quarter looks like.”

(KFF Health News is a national newsroom that produces in-depth journalism about health issues and is one of the core operating programs of KFF — the independent source for health policy research, polling and journalism.)

©2024 KFF Health News. Distributed by Tribune Content Agency, LLC.

PÓDCAST: ¿Por qué la ley estatal de inmigración SB4 de Texas vuelve a los tribunales?

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La ley estatal de inmigración SB4 de Texas, que convertiría en delito estatal cruzar la frontera entre puertos de entrada y permitiría a la policía arrestar a las personas que lo hagan, volverá a los tribunales esta semana el miércoles.

La oficina del Gobernador Greg Abbott

El gobernador republicano de Texas, Greg Abbott.

La ley estatal de inmigración SB4 de Texas, que convertiría en delito estatal cruzar la frontera entre puertos de entrada y permitiría a la policía arrestar a las personas que lo hagan, volverá al Tribunal de Apelaciones del Quinto Circuito en Nueva Orleans esta semana el miércoles.

La ley SB4 fue aprobada a fines del año pasado, pero desde entonces ha estado en una batalla legal entre el gobierno estatal y el federal sobre la evaluación de su constitucionalidad.

El 19 de marzo la Corte Suprema de Estados Unidos despejó brevemente el camino para la implementación de la ley, e instó al tribunal de apelaciones a pronunciarse rápidamente.

Pero solo unas horas más tarde del pronunciamiento de la Corte Suprema, un tribunal federal de apelaciones volvió a suspender la ley y restableció una orden judicial emitida por un juez de Austin.

Defensores de los inmigrantes, la administración de Joe Biden y el gobierno mexicano, han criticado la ley de Texas y el gobierno mexicano dijo que va a rechazar a los inmigrantes devueltos por el estado de Texas.

La ley SB4 exigiría que los jueces ordenen a las personas regresar a México, en lugar de ser procesadas. 

Esta ley permitiría a Texas ampliar las medidas de seguridad que ha puesto en marcha a lo largo de la frontera como parte de la Operación Estrella Solitaria (Operation Lone Star), incluidas barreras de alambre de púas, tropas de la Guardia Nacional y boyas en el Río Grande.

Se espera que sea cual sea la decisión de la corte, una de las partes apelerá.

Así que para hablar de lo que está ocurriendo con esta ley en Texas invitamos a Aarón Torres, corresponsal de la oficina de Austin para The Dallas Morning News.

Más detalles en nuestra conversación a continuación.

Ciudad Sin Límites, el proyecto en español de City Limits, y El Diario de Nueva York se han unido para crear el pódcast “El Diario Sin Límites” para hablar sobre latinos y política. Para no perderse ningún episodio de nuestro pódcast “El Diario Sin Límites” síguenos en Spotify, Soundcloud, Apple Pódcast y Stitcher. Todos los episodios están allí. ¡Suscríbete!

Stray bullet strikes St. Paul fire station, causing minor damage to engine and ambulance inside

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A stray bullet struck a St. Paul fire station, causing minor damage to a fire engine and ambulance inside, according to police and fire departments.

Firefighters were inside the building, but no one was in the vehicles, and there were no injuries.

Shooting victims sometimes go to fire stations for help, but St. Paul firefighter union president Mike Smith said he doesn’t recall another time that a fire station was struck by gunfire in his 26 years on the job.

“It’s our job to know our surroundings and the neighborhoods we work in, so we are concerned,” Smith said.

Multiple people reported shots fired on the Greater East Side about 7:15 p.m. Monday. Officers responded to an apartment complex at 1619 E. Maryland Ave. and found spent casings and a bullet fragment in the parking lot, according to a police report.

A bullet struck Fire Station 9, across the street from the parking lot, and a spent bullet fragment was found in the garage.

Earlier Monday, in an unrelated incident, shots were fired outside another St. Paul fire station.

Officers found 9mm casings in front of Fire Station 7 in the Dayton’s Bluff neighborhood, according to another police report. It happened about 1:35 a.m. Monday on Ross Avenue near East Seventh Street.

A firefighter saw a male lying on the ground, and two people put him in a vehicle and sped off, said Sgt. Mike Ernster, a police spokesman. The firefighter thought the person had dropped to the ground reflexively when the shots were fired, though officers found what appeared to be blood in the area.

Officers did not locate a shooting victim and police weren’t notified of someone going to a hospital with a gunshot injury from the incident, Ernster said.

No one was under arrest in either case as of Tuesday.

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