Archive for April, 2008

8 April

Growth Restriction

The first clinical sign of fetal growth restriction may be an abnormally low increase in serial fundal height measurements. When fundal height growth is inappropriate for gestational age, an ultrasound examination should be ordered to confirm or refute the diagnosis. Most important is evaluation of the fetal head and abdominal circumferences and their ratio, as well as femur length. Abdominal circumference measurements are the most reliable index of fetal size. Amniotic fluid volume assessment and a careful evaluation of fetal anatomy are also helpful in establishing the diagnosis. Doppler velocimetry of umbilical arteries shows a strong correlation between abnormal systolic-diastolic ratios, the diagnosis of fetal growth restriction, and adverse pregnancy outcome. In general, however, there are no methods that allow a confident diagnosis of fetal growth restriction antenatally.
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Once fetal growth restriction is suspected, the fetus must be considered at risk for intrauterine hypoxia and possibly death. In those fetuses, near-term prompt delivery is indicated; however, in those remote from term, fetal surveillance is recommended. In general, fetal testing is performed twice a week by use of the NST, CST, BPP, or umbilical artery velocimetry. Amniotic fluid volume assessment should also be performed. The absence of demonstrable fetal growth in association with mature fetal lungs suggests that delivery may be warranted. Furthermore, delivery may be indicated if the amniotic fluid volume is severely decreased. Subsequent newborn growth cannot be predicted, nor can subsequent neurologic and intellectual capabilities.
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8 April

Fetal Growth Restriction

Growth restriction is defines as an infant born at or below the third percentile of mean weight for gestational age, with clinical evidence of dysfunctional or abnormal growth. The perinatal mortality rate of these infants is five times higher than that of normal infants. Approximately one half of growth-restricted babies show wasting of soft tissue and muscle mass, especially in the cheeks, arms, buttocks, and thighs. The skin is often dry, cracked, and peeling. Fetal growth-restricted fetuses often aspirate meconium, are more often acidotic at birth, and are susceptible to massive pulmonary hemorrhage, convulsions, hypoglycemia, polycythemia, hypocalcemia, hypothermia, thrombocytopenia, and, if growth restriction is severe, cerebral or renal damage.
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Depending on the timing of growth restriction, as well as its etiology, infants can be either asymmetrically or symmetrically growth restricted. Asymmetric growth restriction generally occurs late in the second trimester or early in the third trimester of pregnancy. The fetal brain and heart are often spared because of non-reduced blood flow, and these fetuses usually demonstrate normal musculoskeletal growth. Conversely, the symmetrically growth-restricted infant begins the process of growth restriction early, with a decrease in hyperplasia of all cells. The fetus that is symmetrically growth restricted not only shares the growth aberration of the fetus with an asymmetric pattern but also has decreased skeletal dimensions. More recently, two classes of antiphospholipid antibodies have been associated with fetal growth restriction–anticardiolipin antibodies and lupus anticoagulant.
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Asymmetric growth restriction, which generally occurs during the phase of growth termed cellular hypertrophy, is attributed to placental insufficiency secondary to maternal hypertensive disorders, renal disease, heavy cigarette smoking, or diabetes with vascular disease. Factors associated with symmetrical growth restriction include chromosomal abnormalities (ie, trisomy 18 and 13), developmental abnormalities secondary to teratogens (eg, anticonvulsants, narcotics, cocaine), and intrauterine fetal infections (eg, rubella, CMV, malaria, hepatitis A and B, toxoplasmosis, listeriosis, syphilis, tuberculosis). In addition, cyanotic heart disease, heavy cigarette smoking, and other causes of prolonged fetal hypoxia may result in a symmetrically growth-restricted infant.

4 April

Use drugs and other devices to manage erectile dysfunction

Use drugs and other devices to manage erectile dysfunction. There are drugs that may be used to treat the physical problems of impotence, which may be taken orally or through injections. Sildenafil (brand name Viagra) may be prescribed and used safely, as long as you are not taking nitrates for heart problems. There are also drugs that are injected directly into the penis and produce an erection that could last about one hour.

Some devices, such as vacuum or constriction rings, can be very helpful in getting and keeping an erection. There are also implants that are inserted into the man’s penis that may either be semi-rigid or inflatable, allowing more control. There are many different kinds and styles of these devices and are very useful if the erectile dysfunction problem is due to physical cause.
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Get counseling to manage erectile dysfunction. If a man has erectile dysfunction, he doesn’t have to suffer in secret. Erectile dysfunction can cause a man to lose confidence and may even lead to relationship problems. Counseling, whether just for the man or with his partner, can be very helpful, especially when there is a need for reassurance for overcoming the causes. At times like these, a man will need all the support and love he needs, especially coming from his partner.
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4 April

How to treat Erectile Dysfunction

In the age of Viagra, you’d think that erectile dysfunction would be a thing of the past. Unfortunately, it’s not the case. Erectile dysfunction problems still occur and millions of men worldwide still suffer from this condition. And it is important to know how to manage erectile dysfunction.
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Erectile dysfunction is also known as impotence and the very word itself does not connote pleasant things. While it’s not often discussed, erectile dysfunction is fairly common – in the U.S. alone, at least 10 million men have serious erectile dysfunction problems and the number of men experiencing impotence increase with age. So how do you manage erectile dysfunction problems?

Knowing erectile dysfunction.
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It’s normal for men to lose their erection sometimes. It is only when the erection is not sustained in order to have sex at least half of the time does the lack of fullness and hardness becomes a problem. Erectile dysfunction or ED is a condition in which erection that is sufficient for sexual penetration or satisfaction is not attained by a man. It is not the same as loss of sexual appetite, lack of orgasm or premature ejaculation.

How to manage erectile dysfunction problems.

Erectile dysfunction may be caused by different factors. Some of these factors may be psychological problems or medical problems. Stress, for example, is a common cause of erectile dysfunction. Difficulties at home or at work can cause impotence and so will certain ailments. If you’re unsure of what your main problem is, here are some things you can do to manage erectile dysfunction problems:

See your doctor to manage erectile dysfunction problems. To manage erectile dysfunction and to solve your ED problems, try to get to the root of the cause to understand why it’s happening to you. Your doctor may be able to help you find out what causes your impotence and find a solution that will work for you. If the cause is psychological, you may have to find ways to overcome these factors and get your life back to normal.

Stop drug use to manage erectile dysfunction problems. Erectile dysfunction problems may even be caused by drug use, whether for recreation or for treatment. Drugs such as hormones, tricyclic anti-depressants, muscle relaxants, diuretics, beta-blockers and H2 blockers are common culprits. Addictive substances may also cause problems. To manage erectile problems, talk to your doctor about possible alternatives. If you’re using recreational drugs, you might want to stop.

Manage your disease and at the same time you can manage erectile dysfunction problems. Erectile dysfunction problems are sometimes caused by certain diseases and conditions. Diabetes mellitus is to blame for about 40% of ED problems in the U.S. while vascular diseases account for 30%. Surgeries involving the pelvis or genitals can also cause impotence and so can injuries to the spinal cord, endocrine problems and multiple sclerosis.