Hip implants a bit more likely to fail in women

CHICAGO (AP) — Hip replacements are slightly more likely to fail in women than in men, according to one of the largest studies of its kind in U.S. patients. The risk of the implants failing is low, but women were 29 percent more likely than men to need a repeat surgery within the first three years.

The message for women considering hip replacement surgery remains unclear. It's not known which models of hip implants perform best in women, even though women make up the majority of the more than 400,000 Americans who have full or partial hip replacements each year to ease the pain and loss of mobility caused by arthritis or injuries.

"This is the first step in what has to be a much longer-term research strategy to figure out why women have worse experiences," said Diana Zuckerman, president of the nonprofit National Research Center for Women & Families. "Research in this area could save billions of dollars" and prevent patients from experiencing the pain and inconvenience of surgeries to fix hip implants that go wrong.

Researchers looked at more than 35,000 surgeries at 46 hospitals in the Kaiser Permanente health system. The research, published Monday in JAMA Internal Medicine, was funded by the U.S. Food and Drug Administration.

After an average of three years, 2.3 percent of the women and 1.9 percent of the men had undergone revision surgery to fix a problem with the original hip replacement. Problems included instability, infection, broken bones and loosening.

"There is an increased risk of failure in women compared to men," said lead author Maria Inacio, an epidemiologist at Southern California Permanente Medical Group in San Diego. "This is still a very small number of failures."

Women tend to have smaller joints and bones than men, and so they tend to need smaller artificial hips. Devices with smaller femoral heads — the ball-shaped part of the ball-and-socket joint in an artificial hip — are more likely to dislocate and require a surgical repair.

That explained some, but not all, of the difference between women and men in the study. It's not clear what else may have contributed to the gap. Co-author Dr. Monti Khatod, an orthopedic surgeon in Los Angeles, speculated that one factor may be a greater loss of bone density in women.

The failure of metal-on-metal hips was almost twice as high for women than in men. The once-popular models were promoted by manufacturers as being more durable than standard plastic or ceramic joints, but several high-profile recalls have led to a decrease in their use in recent years.

"Don't be fooled by hype about a new hip product," said Zuckerman, who wrote an accompanying commentary in the medical journal. "I would not choose the latest, greatest hip implant if I were a woman patient. ... At least if it's been for sale for a few years, there's more evidence for how well it's working."

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Online:

Journal: http://www.jamainternalmed.com

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Russian Meteor: Close Encounter, Preventing Impacts

Feb 18, 2013 7:03pm

MOSCOW — As if Friday’s massive meteor explosion over central Russia weren’t enough, just hours later a large asteroid buzzed dangerously close to Earth.

And that evening, the California sky was lit up by a fireball, apparently entering Earth’s atmosphere.

It’s a barrage from space that has people asking: Are we ready for the big one?

Nearly 100 tons of space debris enters Earth’s atmosphere every day. Most of it burns up or falls harmlessly into the ocean, but experts still worry that eventually something big will come our way.

PHOTOS: Meteorite Crashes in Russia

Image credit: Chelyabinsk Region Branch of Russian Interior Ministry/HO/EPA

The prospect of Earth getting hit by a giant hunk of space rock is concerning enough that the United Nations is gathering top minds in Italy this week to discuss it.

Scientists say the idea of blowing up an asteroid — as Bruce Willis’ character did in the movie “Armageddon” — is pure Hollywood fantasy. Even if we could hit it, it’s unlikely to stop it.

Existing sky-watching programs run by NASA and others can only spot the biggest asteroids, not the small ones that sneak up on us.

But fear not, citizens of Earth. Scientists have a plan.

RELATED: Russian Meteor: Rushing to Cash in on the Blast

One group, the non-profit B612 Foundation, proposes sending a telescope, called Sentinel, into space to detect incoming objects decades before their orbits intersect ours. Then, unmanned spacecraft could fly to them and nudge them clear of Earth’s path.

The group is trying to raise $200 million to make it happen and hopes to launch the telescope by 2016.

Another project, proposed by the University of Hawaii, aims to give earthlings a heads-up when necessary, starting by 2015.

RELATED: Meteor Events: Rare, but Dangerous

It is called the Atlas program, and the plan is to deploy a string of telescopes that would search for even smaller objects in the sky, hoping to be able to give people at least a few day’s notice that could allow time for an evacuation.

Until then, better keep Bruce Willis on speed dial.

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Pakistan Shi'ites demand protection from militants

QUETTA, Pakistan (Reuters) - Pakistani Shi'ites furious over a sectarian bombing that killed 85 people protested on Monday, demanding that security forces protect them from hardline Sunni groups.

The attack, near a street market in the southwestern city of Quetta on Saturday, highlighted the government's failure to crack down on militancy in nuclear-armed Pakistan just a few months before a general election is due.

While the Taliban and al Qaeda remain a major source of instability, Sunni extremists, who regard Shi'ites as non-Muslims, have emerged as another significant security threat.

Shi'ite frustrations with waves of attacks on them have reached boiling point.

In Quetta, some ethnic Shi'ite Hazaras are refusing to bury their dead until the army and security forces go after Lashkar-e-Jhangvi (LeJ), the group which claimed responsibility for the latest bombing.

Around 4,000 men, women and children placed 71 bodies beside a Shi'ite place of worship. Muslim tradition requires that bodies are buried as soon as possible and leaving them above ground is a potent expression of grief and pain.

Protesters chanted "stop killing Shi'ites".

"We stand firm for our demands of handing over the city to army and carrying out targeted operation against terrorists and their supporters," said Syed Muhammad Hadi, spokesman for an alliance of Shi'ite groups.

"We will not bury the bodies unless our demands are met."

The paramilitary Frontier Corps is largely responsible for security in Baluchistan province, of which Quetta is the capital, but Shi'ites say it is unable or unwilling to protect them.

LeJ has stepped up suicide bombings and shootings in a bid to destabilize strategic U.S. ally Pakistan and install a Sunni theocracy, an echo of the strategy that al Qaeda pursued to try and trigger a civil war in Iraq several years ago.

The group was behind a bombing last month in Quetta, near the Afghan border, that killed nearly 100 people.

In Karachi, a strike to protest against the Quetta bloodshed brought Pakistan's commercial hub to a standstill.

Authorities boosted security as protesters blocked roads, including routes to the airport, disrupted rail services to other parts of the country and torched vehicles.

The roughly 500,000-strong Hazara people in Quetta, who speak a Persian dialect, have distinct features and are an easy target.

The LeJ has had historically close ties to elements in the security forces, who see the group as an ally in any potential war with neighboring India. Security forces deny such links.

(Writing by Michael Georgy; Editing by Alex Richardson)

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Hong Kong Disneyland turns a profit for first time

HONG KONG - Hong Kong's struggling Disneyland in 2012 made a profit for the first time since opening eight years ago, thanks to a surge in revenue as it welcomed a record number of visitors.

The park made HK$109 million ($14.06 million) in the fiscal year ending September 29, 2012, compared with a net loss of HK$237 million the year before.

The result was fuelled by a 13 per cent jump in attendance to a record 6.73 million people, providing relief for the resort, which has been battling lower-than-expected numbers since opening in 2005.

Visits by Hong Kong residents posted a record growth of 21 per cent while visits by mainland visitors expanded by 13 per cent. Revenue meanwhile grew 18 per cent to HK$4.27 billion.

Hong Kong Disneyland Resort's managing director Andrew Kam said it was "very encouraging" to see the "significant improvement".

He added: "Attendance, hotel occupancy and guest spending levels continued to reach all-time highs."

Hong Kong Disneyland, which is majority owned by the city's government, has been desperate to ramp up the number and quality of its attractions as it seeks to lure more visitors while facing stiff competition from local rival Ocean Park.

Critics have attributed many of its problems to its size -- it is the smallest of all the Disney's theme parks -- and a lack of attractions catered to the key China market, which accounts for nearly half of its visitors.

Doubts about the park's future have further been stoked since China gave approval for a park to be built in Shanghai.

A deal to open Hong Kong Disneyland was signed in 1999 as part of a plan to boost the city's economy as it reeled from the Asian financial crisis.

- AFP/ck

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No possibility of early Lok Sabha polls: Ajit Singh

MUZAFFARNAGAR: Union civil aviation minister party president Ajit Singh has said Lok Sabha polls will take place at their scheduled time and said his party's alliance with Congress will continue in the future.

"The Lok Sabha elections will be held at their scheduled time. RLD's alliance with Congress will continue in the future," Rashtriya Lok Dal president told reporters on Sunday.

He also said his party would not ally with BJP and criticised the Samajwadi party government for the alleged poor law and order situation.

The state government has failed to control corruption and crime in the state and communal riots have also increased and it has failed on all fronts, he claimed.

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Study: Better TV might improve kids' behavior

SEATTLE (AP) — Teaching parents to switch channels from violent shows to educational TV can improve preschoolers' behavior, even without getting them to watch less, a study found.

The results were modest and faded over time, but may hold promise for finding ways to help young children avoid aggressive, violent behavior, the study authors and other doctors said.

"It's not just about turning off the television. It's about changing the channel. What children watch is as important as how much they watch," said lead author Dr. Dimitri Christakis, a pediatrician and researcher at Seattle Children's Research Institute.

The research was to be published online Monday by the journal Pediatrics.

The study involved 565 Seattle parents, who periodically filled out TV-watching diaries and questionnaires measuring their child's behavior.

Half were coached for six months on getting their 3-to-5-year-old kids to watch shows like "Sesame Street" and "Dora the Explorer" rather than more violent programs like "Power Rangers." The results were compared with kids whose parents who got advice on healthy eating instead.

At six months, children in both groups showed improved behavior, but there was a little bit more improvement in the group that was coached on their TV watching.

By one year, there was no meaningful difference between the two groups overall. Low-income boys appeared to get the most short-term benefit.

"That's important because they are at the greatest risk, both for being perpetrators of aggression in real life, but also being victims of aggression," Christakis said.

The study has some flaws. The parents weren't told the purpose of the study, but the authors concede they probably figured it out and that might have affected the results.

Before the study, the children averaged about 1½ hours of TV, video and computer game watching a day, with violent content making up about a quarter of that time. By the end of the study, that increased by up to 10 minutes. Those in the TV coaching group increased their time with positive shows; the healthy eating group watched more violent TV.

Nancy Jensen, who took part with her now 6-year-old daughter, said the study was a wake-up call.

"I didn't realize how much Elizabeth was watching and how much she was watching on her own," she said.

Jensen said her daughter's behavior improved after making changes, and she continues to control what Elizabeth and her 2-year-old brother, Joe, watch. She also decided to replace most of Elizabeth's TV time with games, art and outdoor fun.

During a recent visit to their Seattle home, the children seemed more interested in playing with blocks and running around outside than watching TV.

Another researcher who was not involved in this study but also focuses his work on kids and television commended Christakis for taking a look at the influence of positive TV programs, instead of focusing on the impact of violent TV.

"I think it's fabulous that people are looking on the positive side. Because no one's going to stop watching TV, we have to have viable alternatives for kids," said Dr. Michael Rich, director of the Center on Media and Child Health at Children's Hospital Boston.

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Online:

Pediatrics: http://www.pediatrics.org

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Contact AP Writer Donna Blankinship through Twitter (at)dgblankinship

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Country Star Mindy McCready Shot Herself, Cops Say

Mindy McCready, the country singer who soared to the top of the charts with her debut album, "Ten Thousand Angels," but struggled with substance abuse, served time in jail and fought a lengthy battle with her mother over custody of her son has died of what appears to be a self-inflicted gunshot wound, police said. She was 37.

Deputies from the Cleburne County Sheriff's Office were dispatched to a report of gun shots fired at McCready's Heber Springs, Ark., home at around 3:30 p.m. today.

There they found McCready on the front porch. She was pronounced dead at the scene from what appeared to be a single self-inflicted gunshot wound, according to a statement from the sheriff's office.

McCready's boyfriend, David Wilson, died in January of a self-inflicted gunshot wound. McCready was ordered to enter rehab shortly after Wilson's death, and her two children, Zander, 6, and 9-month-old Zayne were taken from her. She was released after one day to undergo outpatient care.

McCready scored a number-one Billboard country hit in 1996 with "Guys Do It All the Time," but in recent years, the country crooner has received more media attention for her troubled personal life than her music.

She has been arrested multiple times on drug charges and probation violations and has been hospitalized for overdoses several times, including in 2010, when she was found unconscious at her mother's home after taking a painkiller and muscle relaxant.

Angela Weiss/Getty Images

Her mother, Gayle Inge, was appointed to be her son Zander's legal guardian in 2007 after McCready was arrested for violating probation on a drug-related charge. The boy's father is McCready's ex-boyfriend Billy McKnight.

Following a custody hearing in May 2011, McCready released a statement, saying, "We have progressed in a positive manner to reunite me and my son, Zander. I feel very optimistic this will happen in the near future."

But just six months later, in November 2011, was accused of violating a court order for failing to bring Zander back to her mother in Florida after a visit. The boy was placed in foster care while McCready and her mother worked out the custody dispute.

McCready's struggle with substance abuse was broadcast in 2010 on the third season of "Celebrity Rehab with Dr. Drew."

McCready also claimed to have carried on a decade-long affair with baseball star Roger Clemens that began was she was 15 years old and he was 28. Clemens denied that the relationship was sexual in nature.

"You know what, I don't think I'm ever going to be one of those people that has a normal, quiet existence," McCready told ABC Radio in 2010. "I've been chosen for some reason to be bigger and larger than life in every way. Negative and positive."

McCready, who was born and raised in southern Florida, moved to Nashville when she was 18 to start her music career.

Within a few months, she was starting to work with producer David Malloy, who got her tapes to RLG Records. The company signed her to a contract after seeing her in concert, giving her a record deal less than a year after her arrival in Nashville.

Her debut album, "Ten Thousand Angels," went gold within six months of its release in April 1996, and eventually went multi-platinum. Two more followed: "If I Don't Stay the Night," in 1997; and "I'm Not So Tough" in 1999.

Her most recent album, "I'm Still Here," featuring new versions of her early hits "Ten Thousand Angels" and "Guys Do It All the Time," was released in March 2010.

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Pakistani governor criticizes security forces after bombing

QUETTA, Pakistan (Reuters) - Pakistan's unpopular government, which is gearing up for elections expected within months, came under fire on Sunday for failing to improve security after a sectarian bombing in the city of Quetta killed 80 people.

The nuclear-armed country's leaders have done little to contain hardline Sunni Muslim groups which have stepped up a campaign of bombings and assassinations of minority Shi'ites.

On Saturday, Lashkar-e-Jhangvi (LeJ) claimed responsibility for the attack in Quetta, which deepened suspicions among Shi'ites that Pakistan's intelligence agencies were turning a blind eye to the bloodshed or even supporting Sunni extremists.

"The terrorist attack on the Hazara Shi'ite community in Quetta is a failure of the intelligence and security forces," Nawab Zulfiqar Ali Magsi, governor of Baluchistan province, said while touring a hospital.

"We had given a free hand to security (forces) to take action against terrorist and extremist groups, but despite that the Quetta incident took place."

The death toll from Saturday's bombing rose overnight to 80, with most of the casualties in the main bazaar of the town, capital of Baluchistan, near the border with Afghanistan.

Most of the dead were Hazaras, a Shi'ite ethnic group. A senior security official said the figure could rise as 20 people were critically wounded.

"The government knows exactly who is doing what and who is behind all this," said Mohammad Imran, a local trader. "If the government wants (to prevent it), no one can take even a kitchen knife into any market."

POVERTY, CORRUPTION, POWER CUTS

Frustrations with the government have already been growing over its failure to tackle poverty, corruption and power cuts.

LeJ has also said it was behind a bombing last month in Quetta which killed nearly 100 people, one of Pakistan's worst sectarian attacks.

After that attack, Shi'ite leaders called on Pakistan's military to take over security in Quetta and take on the LeJ.

Growing sectarian violence is piling pressure on the government, which already faces a Taliban insurgency, to deliver stability.

"This is a case of barbarity and heartlessness. This is happening because we are divided and not supporting each other," said Malik Afzal, a Sunni student.

"Unless we decide to unite, we will continue to get killed. Today they (Shi'ites) have died. Tomorrow we (Sunni Muslims) will die. The next day, others will get killed."

Shi'ite political organisations have called for a strike in Quetta to protest against the latest carnage. Many shops and bazaars were closed. Relatives of the wounded responded for an appeal for blood made by hospitals.

Pakistani intelligence officials say extremist groups, led by LeJ, want to destablise the South Asian nation and pave the way for a Sunni theocracy in the strategic U.S. ally

More than 400 Shi'ites were killed in Pakistan last year, many by hitmen or bombs. Some hardline Shi'ite groups have struck back by killing Sunni clerics.

The schism between Sunnis and Shi'ites developed after the Prophet Muhammad died in 632 when his followers could not agree on a successor.

(Reporting by Gul Yousufzai; Editing by Ron Popeski)

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Pakistani city mourns after bomb kills 81

QUETTA, Pakistan: The death toll from a devastating bomb attack on Shiite Muslims in southwest Pakistan rose to 81 on Sunday, as the community threatened protests if swift action was not taken against the killers.

The bomb containing nearly a tonne of explosives, hidden in a water tanker, tore through a crowded market in Hazara town, a Shiite-dominated area on the edge of Quetta, the capital of Baluchistan province, early on Saturday evening.

The death toll from the blast, which demolished a nearby two-storey building, rose to 81 overnight, senior police official Wazir Khan Nasir told AFP, while 178 people were wounded.

Baluchistan has increasingly become a flashpoint for the surging sectarian violence between Pakistan's majority Sunni Muslims and Shiites, who account for around a fifth of the country's 180 million people.

Saturday's attack takes the death toll in sectarian attacks in Pakistan this year to almost 200, compared with more than 400 in the whole of 2012 -- a year which Human Rights Watch described as the deadliest on record for the country's Shiites.

It was the second major attack on Shiites in Quetta this year, after a double suicide bombing on a snooker club in the city on January 10 killed at least 92 people, the deadliest ever attack on the community in Pakistan.

Protests in the wake of the snooker hall attack prompted Islamabad to sack the provincial government and suspend its legislature and Shiite leaders said there would be more demonstrations if the culprits behind the market bombing were not caught.

Azizullah Hazara, chairman of the Hazara Democratic Party, Sunday gave a 48-hour deadline to the provincial government to launch targeted operations against the killers or they would launch protests.

Provincial home secretary Akbar Hussain Durrani said the dead and injured included women and children, and confirmed all the people trapped under rubble at the site of the collapsed building had been removed.

Durrani said that after clearance from doctors some 25-30 seriously wounded people would be airlifted to Karachi.

The chairman of the Shia Conference, Daud Agha, put the death toll at 83 and 194 wounded.

"Today a special mourning ceremony for the martyrs of last month's attack was already planned. We will announce the future course of action and time for burials after that in the afternoon," Agha told AFP.

The banned militant group Lashkar-e-Jhangvi (LeJ) claimed responsibility for Saturday's attack -- as it did for the snooker hall bombing and a February 1 attack on a Shiite mosque in northwest Pakistan that killed 24.

There is anger and frustration among Shiites at the apparent inability or unwillingness of the authorities to tackle LeJ. Activists say the failure of the judiciary to prosecute sectarian killers allows them to operate with impunity.

Sayed Qamar Haider Zaidi, a spokesman for Shiite groups in the area, condemned the Pakistani government for not providing protection to the community and announced three days of mourning and protest over the attack.

A large number of people gathered outside shops destroyed in the bombing and shopkeepers sifted through the debris to salvage any usable items on Sunday, an AFP photographer at the scene said, adding that people wept as they found human flesh and pieces of limbs.

Pakistan's national flag was flying at half mast after the provincial government declared a day of mourning over the killings and markets were closed.

Baluchistan, which borders Iran and Afghanistan, also suffers Islamist militancy and a regional insurgency which began in 2004, with rebels demanding political autonomy and a greater share of profits from the region's natural resources.

- AFP/xq

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Election Commission bars 2171 candidates from contesting election for not disclosing expenditure details

NEW DELHI: In a bid to ensure free and fair elections and curb the use of money power, the Election Commission has disqualified as many as 2,171 candidates for failing to furnish details of expenditure incurred while contesting parliamentary and assembly polls.

These candidates will face the bar for three years from the date of disqualification by the Commission, with the maximum being up to January 2016.

The move is part of the poll body's measures to bring in financial transparency and propriety in the conduct of elections which forms the larger part of electoral reforms process.

While Maharashtra tops the list with 260 disqualified candidates, it is followed by Chhattisgarh 259 candidates. They are followed by Haryana with 197 candidates, Odisha 188 and Madhya Pradesh 179.

Uttar Pradesh has 159 candidates disqualified. Jharkhand has 118 candidates and Tamil Nadu 97.

Among the Parliamentary constituencies, Uttar Pradesh has a maximum of 158 candidates debarred from contesting, while Chhattisgarh has the maximum of 240 debarred candidates when it comes to State Legislative Assemblies.

All these candidates were disqualified under Section 8A read with 11 (A) (2) and 10A of Representation of the People Act, 1951, for failing to submit their poll expenditure accounts within the stipulated 30-day period from the date of announcement of results.

While most such candidates are non-serious candidates, some candidates had filed their returns within the stipulated 30-day period but those were not found in proper order and thus stood disqualified.

The Commission has sent the list of all such barred candidates to Chief Electoral Officers for further sending such names to the respective Returning Officers. Earlier, it had disqualified as many as 3,275 contestants in September 2009.

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