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Stomach-narrowing surgery eases chronic knee pain

Gorkha Post

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WASHINGTON — Stomach-narrowing surgery does not just augment your beauty but also aids in easing the chronic knee pain, according to a NYU School Of Medicine-led study.

The pain, according to the study leaders at NYU School of Medicine, proceeds from the deterioration and related inflammation in knee joints caused in part by the extra weight they bear.

And, while the pain relief seen with lap-band surgery applied to all patients with osteoarthritic knees, researchers found that it was most helpful in the youngest men and women who lost the most weight.

“Our study shows that extremely obese people seeking relief from their knee pain should consider lap-band surgery earlier because the benefits from it being successful — although significant for all ages — decrease with age,” said study senior investigator, Jonathan Samuels,Associate Professor at NYU School of Medicine.

For the study, published in the journal Seminars in Arthritis and Rheumatism, researchers examined 120 patients who underwent lap-band surgery between 2002 and 2015.

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Samuels said it is likely that knee joints and cartilage become so damaged after a certain point that there is little cushion left for weight loss to preserve. Along these lines, the research team found that people in their 40s reported nearly twice as much pain relief after lap-band as those who had the surgery in their 50s.

More than 130,000 Americans have had the procedure done since 2011, national statistics show. Although the operation is considered relatively safe, complications may include nausea, stomach ulcers, and infection.

The study authors said their findings are especially important because one in three American adults is now overweight. Studies also showed that the number of Americans with osteoarthritis has more than doubled since World War II.

The new analysis was based on the experiences of 120 patients at NYU Langone Health who underwent lap-band surgery between 2002 and 2015. All were surveyed about what they remembered about their knee pain immediately before surgery, a year after their procedure, and for as long as 14 years later.

The main purpose of the survey, researchers said, was to find out why some extremely obese people showed more knee-pain relief from lap-band surgery than others.

Study participants had an average body mass index, or BMI, of 40, which equates to a 5 feet and 10 inches-tall man who weighs about 280 pounds, or a 5 foot 6 inches-tall woman who weighs 250 pounds.

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According to the survey results, men and women in their 40s experienced postsurgical knee pain reductions after one year of between 50 percent and 60 percent; while those in their 50s, one year later, had pain reductions between 30 percent and 40 percent; and those in their 60s, had reductions between 20 percent and 30 percent. Pain relief persisted for a decade in all patients monitored.

Results also showed that BMI at the time of surgery did not influence whose knee pain went down the most. People with BMIs in the upper 40s were just as likely to report decreased knee pain as people with BMIs in the lower 40s if they lost proportionally the same amount of total body weight.

With Agency Inputs

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Sudden cardiac arrests are more likely to happen on any day at any time : Study

Raghu Kshitiz

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A new study has showed that sudden cardiac arrests are more likely to happen on any day at any time, challenging previous claims that weekday mornings — especially Mondays — were the danger zones.

Previously heart experts have long believed that weekday mornings were the danger zones for unexpected deaths from sudden cardiac arrests.

“While there are likely several reasons to explain why more cardiac arrests happen outside of previously identified peak times, stress is likely a major factor,” said Sumeet Chugh, a Professor of medicine from the Smidt Heart Institute in the US.

“We now live in a fast-paced, ‘always on’ era that causes increased psycho-social stress and possibly an increase in the likelihood of sudden cardiac arrest,” Chugh added.

Almost 17 million cardiac deaths occur annually worldwide while the survival rate from sudden cardiac arrest is less than one per cent.

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For the study, published in the journal Heart Rhythm, Chugh’s team analysed data on 1,535 from the community-based Oregon Sudden Unexpected Death Study between 2004 to 2014, among which only 13.9 per cent died in the early morning hours, the findings revealed.

All reported cases were based on emergency medical service reports containing detailed information regarding the cause of the cardiac arrest.

“Because sudden cardiac arrest is usually fatal, we have to prevent it before it strikes,” Chugh said. “Our next steps are to conclusively determine the underlying reasons behind this shift, then identify public health implications as a result,” he added.

Apart from stress, other contributing factors may be a shift in how high-risk patients are being treated, as well as inadequacies in how past studies have measured time of death caused by sudden cardiac arrest.

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