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News on Health & Science

Medicated Stents Safe For Heart

Heart patients who have undergone angioplasty can breathe more easy.

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One of the largest follow-up studies has come out with “reassuring” results that suggest medicated stents (used during angioplasty) are safe. This clears serious concerns raised on medicated stents with regard to blood-clot formation, leading to heart attacks.

Stents are spring-like devices inserted in the arteries after clearing the blockage during an angioplasty procedure to keep them open. Drug-coated or medicated stents, first introduced in 2003, incorporate medicines to prevent the artery from reclosing.

A huge debate has been raging over the last couple of years on the safety of medicated stents as against the bare-metal ones. Last year, reports started surfacing from studies on patients in Europe that drug-releasing stents carry a greater risk of blood clot formation (stent thrombosis), thus leading to heart attacks.

The study holds a great relevance for India where the use of medicated stents is growing rapidly, and in 2006 was about 70% — about 40% of patients had medicated stents the previous year. The latest study carried out in the US thus nullifies the findings of earlier follow-ups which had said that medicated stents were riskier to use and thus had safety concerns, doctors say.

Says Ashok Seth, chairman and chief cardiologist Max Heart and Vascular Institute: “Studies and follow up trials on patients suggest that medicated stents are as safe as the metal ones. The latest US study nullifies the concern on drug-eluting stents, and these are no different from the metal ones.”

In fact, stents made by some Indian companies such as Sahajanand are almost ona par with the American/German ones used here, doctors say. Amongst the American stents used in India are ones by Johnson & Johnson and Abbott-Guidant.

The latest US study, presented at the American Heart Association, analyzed data on 20,654 stent patients in a Massachusetts data-base. About 65% of patients received a stent-coated with a drug to reduce re-narrowing of the artery and about 35% were implanted bare metal stents without the drug coating.

The Massachusetts study followed patients whose stents were implanted between April 2003 and December 2004. The incidence of heart attacks was similar in both groups, at 10.8% for drug-coated stent patients and 11.8% for those receiving bare metal. “In India, the case has been slightly different with a rare incidence of stent thrombosis cases,” Seth adds.

Source: The Times Of India

Categories
Ailmemts & Remedies

Breast Lumps

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Alternative Names : Breast mass

Definition :
A breast lump is a swelling, protuberance, or lump in the breast.
Breast lumps are a common problem. many women notice generalized breast lumpiness, especially when the breasts enlarge during puberty and pregnancy and before menstruation. this generalized lumpiness can usually be regarded as a variation in normal breast development and does not increase the risk of breast cancer. discrete breast lumps may cause concern, but in fact only 1 in 10 breast lumps is due to cancer.
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Considerations :
Normal breast tissue is present in both males and females of all ages. This tissue responds to hormonal changes and, therefore, certain lumps can come and go.

Breast lumps may appear at all ages:
Infants may have breast lumps related to estrogen from the mother. The lump generally goes away on its own as the estrogen clears from the baby’s body. It can happen to boys and girls.
Young girls often develop “breast buds” that appear just before the beginning of puberty. These bumps may be tender. They are common around age 9, but may happen as early as age 6.
Teenage boys may develop breast enlargement and lumps because of hormonal changes in mid-puberty. Although this may distress the teen, the lumps or enlargement generally go away on their own over a period of months.
Breast lumps in an adult woman raises concern for breast cancer, even though most lumps turn out to be not cancerous.

Causes :Generalized lumpiness in the breasts, often with associated breast tenderness, is thought to be related to the hormonal changes that occur during the menstrual cycle. The lumpiness usually becomes worse just before a menstrual period, and this worsening may be due to oversensitivity of the breast tissue to female sex hormones at this time.

A discrete lump is often a fibroadenoma. This noncancerous lump is caused by the overgrowth of one or more breast lobules. Breast cysts are fluid-filled sacs in the breast tissue. one or more cysts may be present, and both breasts may be affected. occasionally, a breast lump is caused by an infection that has developed into an abscess. A breast abscess may develop if mastitis, which is mot common in women who are breast-feeding, is not treated.An abscess may be associated with inflammation and localized pain. A lump in the breast may also be a symptom of breast cancer.

Lumps in a woman are often caused by fibrocystic changes, fibroadenomas, and cysts.

Fibrocystic changes can occur in either or both breasts. These changes occur in many women (especially during the reproductive years) and are considered a normal variation of breast tissue. Having fibrocystic breasts does not increase your risk for breast cancer. It does, however, make it more difficult to interpret lumps that you or your doctor find on exam. Many women feel tenderness in addition to the lumps and bumps associated with fibrocystic breasts.

Fibroadenomas are non-cancerous lumps that feel rubbery and are easily moveable within the breast tissue. Like fibrocystic changes, they occur most often during the reproductive years. Usually, they are not tender and, except in rare cases, do not become cancerous later. A doctor may feel fairly certain from an exam that a particular lump is a fibroadenoma. The only way to be sure, however, is to remove or biopsy them.

Cystsare fluid-filled sacs that often feel like soft grapes. These can sometimes be tender, especially just before your menstrual period. Cysts may be drained in the doctor’s office. If the fluid removed is clear or greenish, and the lump disappears completely after it is drained, no further treatment is needed. If the fluid is bloody, it is sent to the lab to look for cancer cells. If the lump doesn’t disappear, or recurs, it is usually removed surgically.

Other causes of breast lumps include:

  • Milk cysts (sacs filled with milk) and infections (mastitis), which may turn into an abscess. These typically occur if you are breastfeeding or have recently given birth.
  • Breast cancer,detectable by mammogram or ultrasound, then a biopsy. Men can get breast cancer.
  • Injury — sometimes if your breast is badly bruised, there will be a collection of blood that feels like a lump. These tend to resolve on their own in a matter of days or weeks. If not, the blood may have to be drained by your doctor.
  • Lipoma — a collection of fatty tissue.
  • Intraductal papilloma — a small growth inside a milk duct of the breast. Often occurs near the areola, the colored part of the breast surrounding the nipple, in women between the ages of 35 and 55. It is harmless and frequently cannot be felt. In some cases the only symptom is a watery, pink discharge from the nipple. Since a watery or bloody discharge can also be a sign of breast cancer, this must be evaluated by your doctor.

What might be done?
You should check your breasts regularly so that you become familiar with their normal appearance and texture. Always consult your doctor if you notice a new lump or a change in an existing lump. he or she will perform a physical examination of your breasts and may arrange for ultrasound scanning or mammography to investigate a breast lump. Your doctor may also take a sample of cells from the lump to look for cancerous cells.

Most noncancerous breast lumps do not treatment. generalized lumpiness tends to decrease after menopause, but may continue if you take hormone replacement therapy. However, breast cysts are usually treated by draining. modern screening techniques and treatments mean that breast cancer can often be diagnosed early and treated successfully. If a tumor is found in your breast, you will be referred to a specialist.

Home Care
Treatment of a breast lump depends on the cause. Solid breast lumps are often removed surgically, or at least a biopsy is taken. The biopsy is to check whether it is cancerous or not. Cysts can be drained. Breast infections require antibiotics.

For fibrocystic changes, birth control pills are often helpful. Other women are helped by:

  • Avoiding caffeine and chocolate
  • Taking vitamin E, vitamin B complex, or evening primrose oil supplements
  • Limiting fat and increasing fiber in the diet

If breast cancer is diagnosed, most women receive a combination of surgery, radiation, chemotherapy, and hormonal therapy. These options would be carefully assessed and thoroughly discussed with your doctor.

When to Contact a Medical Professional :

Call your doctor if:

  • You find a new breast lump during your monthly self-exam
  • You have bruising on your breast but did not experience any injury
  • You have nipple discharge, especially if bloody or pinkish (blood tinged)
  • The skin on your breast appears dimpled or wrinkled (like the peel of an orange)
  • Your nipple is inverted (turned inward) but normally is not inverted

Also call if:

  • You are a woman, age 20 or older, and want guidance on how to perform a breast self-examination
  • You are a woman over age 40 and have not had a mammogram in the past year

Prevention :
Breast cancer screening is an important way to find breast cancer early, when it is most easily treated and cured.

  • If you are over age 20, consider doing a monthly breast self-exam. See: Breast self exam
  • If you are over age 20, have a complete breast exam by your provider at least every 3 years — every year if you are over 40.
  • If you are over age 40, get mammogram once a year. If you are high risk, experts say you should start getting a mammogram at age 30.

Having fibrocystic breast tissue, mastitis, or breast tenderness related to PMS does NOT put you at greater risk for breast cancer. Having fibrocystic breasts does, however, make your self-exam more confusing since there are many normal lumps and bumps.

To prevent breast cancer:

  • Exercise regularly
  • Reduce fat intake
  • Eat lots of fruits, vegetables, and other high fiber foods
  • Do not drink more than one or one and a half glasses of alcohol a day

Click to learn latest news about Breast Cancer

Disclaimer: This information is not meant to be a substitute for professional medical advise or help. It is always best to consult with a Physician about serious health concerns. This information is in no way intended to diagnose or prescribe remedies.This is purely for educational purpose

.Resources:
http://www.nlm.nih.gov/medlineplus/ency/article/003155.htm
http://www.charak.com/DiseasePage.asp?thx=1&id=236

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Environmental Pollution

25 Resources to Help You Reduce, Recycle, and Reuse Plastic Bags

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In case you did not already realize it, the one trillion plastic grocery bags used worldwide every year are becoming a serious drain on the environment.

21st Century Citizen
has compiled a great list of the Top 25 resources to help you reduce, recycle, or reuse all those plastic bags you carry home from your grocery store.

Their list includes creative gems like:

  • Where to find a recycling location near you, in case your local grocery does not offer a recycling bin

  • Sites that sell reusable shopping totes

  • Creative ideas for reusing plastic bags for other things around your house

  • Novel classroom projects for teachers

  • Patterns for turning plastic bags into reusable items such as hefty tote bags and all-weather rugs

With so many options, there’s bound to be a solution that works for you, reducing your environmental impact, and saving you money in the process! For the full list, check out the source link below.

Sources: 21st Century Citizen

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News on Health & Science

Stem Cells To Cure Vascular Disease

SEOUL: South Korean scientists said Monday they used human embryonic stem cells to treat mice suffering from a vascular disease, in an experiment that could lead to cures for strokes and other ailments.

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The team, led by Pochon Cha University’s Chung Hyung-Min and Kim Byung-Soo of Hanyang University, said the stem cells were differentiated into blood vessels that were grafted onto the animals afflicted with ischemia.

Ischemia is caused by a shortage of blood to a part of the body, stemming from the constriction of blood vessels. Of the 11 mice treated, four developed new vascular cells that fully revived the damaged limb, while four suffered from a relatively mild case of necrosis. Three lost their legs due to the cut-off of blood flow.

Necrosis is a disease leading to the death of tissue and bone.

The findings appeared in the latest online issue of Circulation, a journal published by the American Heart Association. They showed 10 other mice given alternative treatment failed to recover.

“The findings showed that in the case of animals, the use of stem cells helped save limbs,” Chung told Yonhap news agency.

If further research is carried out, he said, it may help scientists create a wide range of blood vessels.
The professor was quoted as saying that such developments could lead to cures for human strokes, myocardial infections and foot ulcerations caused by diabetes.

More detailed research will be carried out in the next few years to find ways to treat vascular cell-related diseases.

Meanwhile, the identification of a new marker is making it possible to track brain stem cells for the first time, American researchers said. The achievement is already opening doors to new research into depression, early childhood development and multiple sclerosis.

Source:The Times Of India

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News on Health & Science

Obese At Higher Risk Of Liver Disorder

NEW DELHI: Non-alcoholic fatty liver disease (NAFLD), a precursor of serious liver disorders including cirrhosis of the liver and liver cancer, has now started to affect India’s youth. Experts estimate that almost 17%-40% of obese children in India, aged between 8-20 years, are now being diagnosed with fatty liver following ultrasound tests in various hospitals.

According to Dr Archana Arya, adolescent endocrinologist at Sir Ganga Ram Hospital, 55 out of 133 obese children coming to the hospital in the past year were diagnosed with fatty liver. Paediatrician Dr Anupam Sibal from Apollo hospital said over five cases of paediatric fatty liver was now being diagnosed every week.

In a study conducted by Dr Deepak Amarapurkar, liver specialist at Bombay Hospital and Medical Research Centre, involving 1,500 people from 500 families living in the railway colonies of Mumbai, the number of children suffering from fatty liver rose from 2% among children aged five years to 10% in those aged about 20.

Professor of paediatrics at SGPGI, Lucknow, Dr Surinder Yachha also recorded a similar trend among children from prosperous families in Kanpur, Lucknow and Varanasi.

According to these experts, NAFLD is the most chronic and serious consequence of childhood obesity. However, it receives very little attention. The majority of children who have NAFLD go undiagnosed.

Source: The Times Of India

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