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Presentation 8
Digestive System

By Scott Overly
Bio 120
Function

• Series of tube-like organs which
  transform food into body fuel.
• Through mechanical and chemical
  digestion nutritional molecules are
  absorbed into the body and released
  into the blood stream.
• That which is not digested or
  absorbed is excreted as solid waste
Four Digestive Terms

• Anastomosis

• Choledocholithotripsy

• Cachexia

• Extraction
Anastomosis

Definition: To surgically create a
 connection between two organs or
 vessels.


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Common types of Anastomosis


  Gastroduodenostomy-anastomosis between the
  stomach and the duodenum




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Jejunocolic Anastomosis


  The jejunum is connected to the large intestine.
  Sometimes the ileum and ileocecal valve are removed.
  Parts of the colon may also be removed and the two
  Sections are then joined.




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Jejunoileal Anastomosis


Parts of the jejunum and ileum are removed and
Remaining parts are connected to the colon. This type of
Procedure leaves the full length of the colon intact.
Many people do not need nutritional support.




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Choledocholithotripsy
• Definition: Crushing of a gallstone in
  the common bile duct

Causes, incidence, and risk factors: About 15%
of people with gallstones will develop stones in
the common bile duct, the small tube that carries
bile from the gallbladder to the intestine.Risk
factors include a history of gallstones. However,
choledocholithiasis can occur in people who have
their gallbladder removed.
Who’s at Risk
•   Women
•   people over the age of 60
•   people who have a family history of gallstones (relatives who
    have the disease)
•   people who are overweight or obese
•   people who lose a great deal of weight in a short period of
    time
•   people who have diabetes
•   people whose diet is high in fat and cholesterol
•   people who take drugs that lower cholesterol
•   American Indians and people of Mexican descent
Symptoms
• The main symptom of gallstones is pain, which can last
  from several minutes to several hours. Pain can occur
  when gallstones move from the gallbladder into one of the
  ducts (the hepatic duct, the cystic duct, and the common
  bile duct). Gallstones that migrate can cause conditions
  such as acute cholecystitis (inflammation of the
  gallbladder), cholangitis (infection and inflammation of the
  bile ducts), and pancreatitis (inflammation of the
  pancreas).The pain may be located in the upper part of the
  abdomen, between the shoulder blades, or under the right
  shoulder.Other symptoms of gallstones include:
                           sweating
                           vomiting
                              fever
                   a yellow tint to the skin (jaundice)
Treatment

• endoscopically directed laser.
 Endoscopic retrograde cholangiopancreatography
 (ERCP)Endoscopic retrograde cholangiopancreatography is a
 technique used to both test for and treat gallbladder disease. It is
 a nonsurgical procedure and the method of choice to find and
 remove gallstones that are lodged in the common bile duct. The
 patient is sedated enough to relax, swallows an endoscope, and
 sends images to a computer and video monitor. The doctor
 guides the endoscope through the stomach into the small
 intestine and injects a special dye that allows the visualization of
 ducts in the biliary system. The doctor makes an incision inside
 the endoscope, captures the gallstone in a tiny basket, and then
 pulls it out through the endoscope.
Sound Waves
•   Nonsurgical gallstone treatments include several options. Sound wave
    therapy uses high frequency sound waves to break up the gallstones.
    You are then given a prescription medication, ursodiol, to dissolve the
    fragmented gallstones. Some patients are able to bypass sound wave
    therapy and take ursodiol as treatment for gallstones.Two other
    nonsurgical solutions to gallstones are available.
•   Both involve inserting a catheter before the procedure. In the first,
    percutaneous electrohydraulic lithotripsy, a catheter is inserted into the
    gallbladder to send bursts of energy into the gallstones to break them up.




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Cachexia
• Cachexia or wasting syndrome is a condition
  which appears in patients with certain chronic and
  terminal illnesses. Patients with cachexia
  experience severe weight loss, along with wasting
  of the muscles of the body, and they develop a
  characteristically thin, sunken experience with a
  corresponding loss of energy. This condition can
  weaken the body, making it harder for the patient
  to fight the disease, and it also leads to profound
  impairments in quality of life, as eventually the
  patient will be bedridden due to fatigue, anemia,
  and muscle damage.
Who this affects

• Patients with AIDS, cancer, congestive heart
  failure, and intestinal parasites all can
  experience cachexia. The condition is
  generally worse in men than in women.
  Doctors usually determine that a patient has
  cachexia when the patient loses five percent
  or more of his or her pre-diagnosis weight.
  Many treatment facilities take active steps to
  reduce or prevent wasting syndrome.
Treatment

• Treatment for cachexia usually focuses on
  providing intensive nutrition so that the
  patient receives proper nutrition, and
  addressing some of the metabolic
  abnormalities associated with the wasting
  syndrome. A doctor may also adjust a
  patient's medications to promote the
  development of an appetite, and techniques
  such as massage and physical therapy may
  be used to reduce muscle loss and to keep
  the patient active.
Extraction

• Removing or “pulling” of teeth



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Reasons for extraction

 Some people have extra teeth that block other teeth from coming in.
 •  baby teeth don't fall out in time to allow the permanent teeth to
   come in.
 • People getting braces may need teeth extracted to create room for
   the teeth that are being moved into place.
 • People receiving radiation to the head and neck may need to have
   teeth in the field of radiation extracted.
 • People receiving cancer drugs may develop infected teeth
   because these drugs weaken the immune system.
 • Infected teeth may need to be extracted. Some teeth may need to
   be extracted if they could become a source of infection after an
   organ transplant.
 • People with organ transplants have a high risk of infection because
   they must take drugs that decrease or suppress the immune
   system.
 • Wisdom Teeth are often extracted either before or after they come
   in. They commonly come in during the late teens or early 20s.
   They need to be removed if they are decayed, cause pain or have
   a cyst or infection. These teeth often get impacted and do not
   come in. This can irritate the gum, causing pain and swelling.
Two Types
• A simple extraction is performed on a tooth that can be seen in
  the mouth. General dentists commonly do simple extractions.
  In a simple extraction, the dentist loosens the tooth with an
  instrument called an elevator. Then the dentist uses an
  instrument called a forceps to remove the tooth.
• A surgical extraction is a more complex procedure. It is used if
  a tooth may have broken off at the gum line or has not come
  into the mouth yet. Surgical extractions commonly are done by
  oral surgeons. However, they are also done by general dentists.
  The doctor makes a small incision (cut) into your gum.
  Sometimes it's necessary to remove some of the bone around
  the tooth or to cut the tooth in half in order to extract it.
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Presentation 8

  • 1. Presentation 8 Digestive System By Scott Overly Bio 120
  • 2. Function • Series of tube-like organs which transform food into body fuel. • Through mechanical and chemical digestion nutritional molecules are absorbed into the body and released into the blood stream. • That which is not digested or absorbed is excreted as solid waste
  • 3. Four Digestive Terms • Anastomosis • Choledocholithotripsy • Cachexia • Extraction
  • 4. Anastomosis Definition: To surgically create a connection between two organs or vessels. QuickTimeª and a decompressor are needed to see this picture.
  • 5. Common types of Anastomosis Gastroduodenostomy-anastomosis between the stomach and the duodenum QuickTimeª and a decompressor are needed to see this picture.
  • 6. Jejunocolic Anastomosis The jejunum is connected to the large intestine. Sometimes the ileum and ileocecal valve are removed. Parts of the colon may also be removed and the two Sections are then joined. QuickTimeª and a decompressor are needed to see this picture.
  • 7. Jejunoileal Anastomosis Parts of the jejunum and ileum are removed and Remaining parts are connected to the colon. This type of Procedure leaves the full length of the colon intact. Many people do not need nutritional support. QuickTimeª and a decompressor are needed to see this picture.
  • 8. Choledocholithotripsy • Definition: Crushing of a gallstone in the common bile duct Causes, incidence, and risk factors: About 15% of people with gallstones will develop stones in the common bile duct, the small tube that carries bile from the gallbladder to the intestine.Risk factors include a history of gallstones. However, choledocholithiasis can occur in people who have their gallbladder removed.
  • 9. Who’s at Risk • Women • people over the age of 60 • people who have a family history of gallstones (relatives who have the disease) • people who are overweight or obese • people who lose a great deal of weight in a short period of time • people who have diabetes • people whose diet is high in fat and cholesterol • people who take drugs that lower cholesterol • American Indians and people of Mexican descent
  • 10. Symptoms • The main symptom of gallstones is pain, which can last from several minutes to several hours. Pain can occur when gallstones move from the gallbladder into one of the ducts (the hepatic duct, the cystic duct, and the common bile duct). Gallstones that migrate can cause conditions such as acute cholecystitis (inflammation of the gallbladder), cholangitis (infection and inflammation of the bile ducts), and pancreatitis (inflammation of the pancreas).The pain may be located in the upper part of the abdomen, between the shoulder blades, or under the right shoulder.Other symptoms of gallstones include: sweating vomiting fever a yellow tint to the skin (jaundice)
  • 11. Treatment • endoscopically directed laser. Endoscopic retrograde cholangiopancreatography (ERCP)Endoscopic retrograde cholangiopancreatography is a technique used to both test for and treat gallbladder disease. It is a nonsurgical procedure and the method of choice to find and remove gallstones that are lodged in the common bile duct. The patient is sedated enough to relax, swallows an endoscope, and sends images to a computer and video monitor. The doctor guides the endoscope through the stomach into the small intestine and injects a special dye that allows the visualization of ducts in the biliary system. The doctor makes an incision inside the endoscope, captures the gallstone in a tiny basket, and then pulls it out through the endoscope.
  • 12. Sound Waves • Nonsurgical gallstone treatments include several options. Sound wave therapy uses high frequency sound waves to break up the gallstones. You are then given a prescription medication, ursodiol, to dissolve the fragmented gallstones. Some patients are able to bypass sound wave therapy and take ursodiol as treatment for gallstones.Two other nonsurgical solutions to gallstones are available. • Both involve inserting a catheter before the procedure. In the first, percutaneous electrohydraulic lithotripsy, a catheter is inserted into the gallbladder to send bursts of energy into the gallstones to break them up. QuickTimeª and a decompressor are needed to see this picture.
  • 13. Cachexia • Cachexia or wasting syndrome is a condition which appears in patients with certain chronic and terminal illnesses. Patients with cachexia experience severe weight loss, along with wasting of the muscles of the body, and they develop a characteristically thin, sunken experience with a corresponding loss of energy. This condition can weaken the body, making it harder for the patient to fight the disease, and it also leads to profound impairments in quality of life, as eventually the patient will be bedridden due to fatigue, anemia, and muscle damage.
  • 14. Who this affects • Patients with AIDS, cancer, congestive heart failure, and intestinal parasites all can experience cachexia. The condition is generally worse in men than in women. Doctors usually determine that a patient has cachexia when the patient loses five percent or more of his or her pre-diagnosis weight. Many treatment facilities take active steps to reduce or prevent wasting syndrome.
  • 15. Treatment • Treatment for cachexia usually focuses on providing intensive nutrition so that the patient receives proper nutrition, and addressing some of the metabolic abnormalities associated with the wasting syndrome. A doctor may also adjust a patient's medications to promote the development of an appetite, and techniques such as massage and physical therapy may be used to reduce muscle loss and to keep the patient active.
  • 16. Extraction • Removing or “pulling” of teeth QuickTimeª and a decompressor are needed to see this picture.
  • 17. Reasons for extraction Some people have extra teeth that block other teeth from coming in. • baby teeth don't fall out in time to allow the permanent teeth to come in. • People getting braces may need teeth extracted to create room for the teeth that are being moved into place. • People receiving radiation to the head and neck may need to have teeth in the field of radiation extracted. • People receiving cancer drugs may develop infected teeth because these drugs weaken the immune system. • Infected teeth may need to be extracted. Some teeth may need to be extracted if they could become a source of infection after an organ transplant. • People with organ transplants have a high risk of infection because they must take drugs that decrease or suppress the immune system. • Wisdom Teeth are often extracted either before or after they come in. They commonly come in during the late teens or early 20s. They need to be removed if they are decayed, cause pain or have a cyst or infection. These teeth often get impacted and do not come in. This can irritate the gum, causing pain and swelling.
  • 18. Two Types • A simple extraction is performed on a tooth that can be seen in the mouth. General dentists commonly do simple extractions. In a simple extraction, the dentist loosens the tooth with an instrument called an elevator. Then the dentist uses an instrument called a forceps to remove the tooth. • A surgical extraction is a more complex procedure. It is used if a tooth may have broken off at the gum line or has not come into the mouth yet. Surgical extractions commonly are done by oral surgeons. However, they are also done by general dentists. The doctor makes a small incision (cut) into your gum. Sometimes it's necessary to remove some of the bone around the tooth or to cut the tooth in half in order to extract it. QuickTimeª and a decompressor are needed to see this picture.