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Endovascular embolization

In endovascular embolization, your doctor inserts a long, thin tube (catheter) into a leg artery and threads it through blood vessels to your brain using X-ray imaging.

Endovascular embolization (EE) is an invasive surgical procedure. It’s used to treat abnormal blood vessels found in your brain, as well as other areas of your body. This procedure is an alternative to open surgery. It blocks blood vessels to cut off blood flow to an affected area.

Your doctor may recommend EE if you experience one of the following conditions:

  • brain aneurysms, which are bulging weak spots in the walls of blood vessels in your brain
  • tumors such as uterine fibroids, which can be shrunk by blocking their blood flow
  • abnormal growths in your circulatory system
  • arteriovenous malformations (AVMs) of your brain and spine, which are knots of blood vessels that are susceptible to bleeding
  • excessive nosebleeds

EE can be used as the sole form of treatment, or it can be done before another surgery. Blocking off the blood flow to a damaged area can make surgery safer.

Vesicoureteral reflux in Children

Overview

Vesicoureteral  reflux is the abnormal flow of urine from your bladder back up the tubes (ureters) that connect your kidneys to your bladder. Normally, urine flows only down from your kidneys to your bladder.

Vesicoureteral reflux is usually diagnosed in infants and children. The disorder increases the risk of urinary tract infections, which, if left untreated, can lead to kidney damage.

Vesicoureteral reflux can be primary or secondary. Children with primary vesicoureteral reflux are born with a defect in the valve that normally prevents urine from flowing backward from the bladder into the ureters. Secondary vesicoureteral reflux occurs due to a urinary tract malfunction, often caused by abnormally high pressure inside the bladder.

Children may outgrow primary vesicoureteral reflux. Treatment, which includes medication or surgery, aims at preventing kidney damage.

Symptoms

Urinary tract infections commonly occur in people with vesicoureteral reflux. A urinary tract infection (UTI) doesn’t always cause noticeable signs and symptoms, though most people have some.

These signs and symptoms includes:

  • A strong, persistent urge to urinate
  • A burning sensation when urinating
  • Passing frequent, small amounts of urine
  • Blood in the urine (hematuria) or cloudy, strong-smelling urine
  • Fever
  • Pain in your side (flank) or abdomen
  • Hesitancy to urinate or holding urine to avoid the burning sensation

A UTI may be difficult to diagnose in children, who may have only nonspecific signs and symptoms.

  • An unexplained fever
  • Diarrhea
  • Lack of appetite
  • Irritability

As your child gets older, untreated vesicoureteral reflux can lead to:

  • Bed-wetting
  • Constipation or loss of control over bowel movements
  • High blood pressure
  • Protein in urine
  • Kidney failure

Another indication of vesicoureteral reflux, which may be detected before birth by sonogram, is swelling of the kidneys or the urine-collecting structures of one or both kidneys (hydronephrosis) in the fetus, caused by the backup of urine into the kidneys.

When to see a doctor

Call your doctor about fever if your child:

  • Is younger than 3 months old and has a rectal temperature of 100.4 F (38 C) or higher
  • Is 3 months or older and has a fever of 102 F (38.9 C) or higher without any other explainable factors, such as a recent vaccination

In addition, call your doctor immediately if your infant has the following signs or symptoms:

  • Changes in appetite. If your baby refuses several feedings in a row or eats poorly, contact the doctor.
  • Changes in mood. If your baby is lethargic or unusually difficult to rouse, tell the doctor right away. Also let the doctor know if your baby is persistently irritable or has periods of inconsolable crying.
  • Diarrhea. Contact the doctor if several of your baby’s stools are especially loose or watery.
  • Vomiting. Occasional spitting up is normal. Contact the doctor if your baby spits up large portions of multiple feedings or vomits forcefully after feedings.

Causes

Your urinary system includes your kidneys, ureters, bladder and urethra. All play a role in removing waste products from your body.

The kidneys, a pair of bean-shaped organs at the back of your upper abdomen, filter waste, water and electrolytes — minerals, such as sodium, calcium and potassium, that help maintain the balance of fluids in your body — from your blood.

Tubes called ureters carry urine from your kidneys down to your bladder, where it is stored until it exits the body through another tube (the urethra) during urination.

Risk factors

Risk factors for vesicoureteral reflux include:

    • Bladder and bowel dysfunction (BBD). Children with BBD hold their urine and stool and experience recurrent urinary tract infections, which can contribute to vesicoureteral reflux.
    • Race. White children appear to have a higher risk of vesicoureteral reflux.
    • Sex. Generally, girls have about double the risk of having this condition as boys do. The exception is for vesicoureteral reflux that’s present at birth, which is more common in boys.
    • Age. Infants and children up to age 2 are more likely to have vesicoureteral reflux than older children are.
    • Family history. Primary vesicoureteral reflux tends to run in families. Children whose parents had the condition are at higher risk of developing it.

Siblings of children who have the condition also are at higher risk, so your doctor may recommend screening for siblings of a child with primary vesicoureteral reflux.

Complications

Kidney damage is the primary concern with vesicoureteral reflux. The more severe the reflux, the more serious the complications are likely to be.

Complications may include:

  • Kidney (renal) scarring. Untreated UTIs can lead to scarring, also known as reflux nephropathy, which is permanent damage to kidney tissue. Extensive scarring may lead to high blood pressure and kidney failure.
  • High blood pressure (hypertension). Because the kidneys remove waste from the bloodstream, damage to your kidneys and the resultant buildup of wastes can raise your blood pressure.
  • Kidney failure. Scarring can cause a loss of function in the filtering part of the kidney. This may lead to kidney failure, which can occur quickly (acute kidney failure) or may develop over time (chronic kidney disease).

Amputation

Amputation is the surgical removal of all or part of a limb or extremity such as an arm, leg, foot, hand, toe, or finger.Reasons for Amputation

There are many reasons an amputation may be necessary. The most common is poor circulation because of damage or narrowing of the arteries, called peripheral arterial disease. Adequate blood flow is not supplied, the body’s cells cannot get oxygen and nutrients they need from the bloodstream. As a result, the affected cells begins to die and infection may set in.Image result for amputation

Other causes for amputation may include:

  • Severe injury (from a vehicle accident or serious burn, for example)
  • Cancerous tumour in the bone or muscle of the limb
  • Serious infection that does not get better with antibiotic other treatment
  • Thickening of nerve tissue, called a neuron

The Amputation Procedure

An amputation usually requires a hospital stay of five to 14 days or more, depending on the surgery and complications. The procedure itself may vary, depending on the limb or extremity being amputated and the patient’s general health.

Amputation may be done under general anaesthesia (meaning the patient is asleep) or with spinal anaesthesia, which numbs the body from the waist down.

When performing an amputation, the surgeon removes all damaged tissue while leaving as much healthy tissue as possible.

Sleeve Gastrectomy

Sleeve gastrectomy, also called a vertical sleeve gastrectomy, is a surgical weight-loss procedure. This procedure is typically performed laparoscopically, which involves inserting small instruments through multiple small incisions in the upper abdomen. During sleeve gastrectomy, about 80 percent of the stomach is removed, a tube-shaped stomach about the size and shape of a banana.

Limiting the size of your stomach restricts the amount of food you are able to consume. In addition, the procedure triggers the hormonal changes that assist with weight loss. The same hormonal changes also help relieve conditions  being overweight, such as high blood pressure or heart disease.

Why it’s done

Sleeve gastrectomy is done to help you lose excess weight and reduce your risk of potentially life-threatening weight-related health problems, including:

  • Gastroesophageal reflux disease
  • Heart disease
  • High blood pressure
  • High cholesterol
  • Obstructive sleep apnea
  • Type 2 diabetes
  • Stroke
  • Infertility

Sleeve gastrectomy is typically done only after you’ve tried to lose weight by improving your diet and exercise habits.

In general, sleeve gastrectomy surgery could be an option for you if:

  • Your body mass index (BMI) is 40 or higher (extreme obesity).
  • Your BMI is 35 to 39.9 (obesity), and you have a serious weight-related health problem, such as type 2 diabetes, high blood pressure or severe sleep apnea. In some cases, you may qualify for certain types of weight-loss surgery if your BMI is 30 to 34 and you have serious weight-related health problems.

You must also be willing to make permanent changes to lead a healthier lifestyle. You may be required to participate in long-term follow-up plans that include monitoring your nutrition, your lifestyle and behaviour, and your medical conditions.

As with any major surgery, sleeve gastrectomy poses potential health risks, both in the short term and long term. Risks associated with the sleeve gastrectomy can include:

  • Excessive bleeding
  • Infection
  • Adverse reactions to anaesthesia
  • Blood clots
  • Lung or breathing problems
  • Leaks from the cut edge of the stomach

Longer term risks and complications of sleeve gastrectomy surgery can include:

  • Gastrointestinal obstruction
  • Hernias
  • Gastrointestinal reflux
  • Low blood sugar (hypoglycemia)
  • Malnutrition
  • Vomiting

Very rarely, complications of sleeve gastrectomy can be fatal.

 

Food and medications

Before your surgery, give your doctor a list of all medicines, vitamins, minerals, and herbal or dietary supplements you take. You may have restrictions on eating and drinking and which medications you can take.

If you take blood-thinning medications, talk with your doctor before your surgery. Because these medications affect clotting and bleeding, your blood-thinning medication routine may need to be changed.

If you have diabetes, talk with the doctor who manages your insulin or other diabetes medications for specific instructions on taking or adjusting them after surgery.

Other precautions

You’ll be required to start a physical activity program.

You’ll be required to stop any tobacco use 12 weeks before surgery and may be tested for nicotine prior to your surgery.

You may also need to prepare by planning ahead for your recovery after surgery. For instance, arrange for help at home if you think you’ll need it. People who have a sleeve gastrectomy are typically off work for four weeks.

Results

Sleeve gastrectomy can provide long-term weight loss. The amount of weight you lose depends on your change in lifestyle habits. It is possible to lose approximately 60 percent, or even more, of your excess weight within two years.

In addition to weight loss, sleeve gastrectomy may improve or resolve conditions related to being overweight, including:

  • Heart disease
  • High blood pressure
  • High cholesterol
  • Obstructive sleep apnea
  • Type 2 diabetes
  • Stroke
  • Infertility

Sleeve gastrectomy surgery can also improve your ability to perform routine daily activities, and can help improve your quality of life.