what is the most common manifestation of portal hypertension induced splenomegaly course hero

by Mr. Owen Abernathy 5 min read

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How long do people live with portal hypertension?

There is no cure for this stage of the disease. Certain studies have shown that the vast majority of patients with stages 1 to 3 of the disease are still alive one year after their diagnosis. Patients in stages 1 and 2 show only a one percent and two percent risk of death a year after diagnosis, respectively.

What are the consequences of portal hypertension?

consequence of portal hypertension: gastrointestinal bleeding resulting from ruptured gastroesophageal varices, PHG, and colopathy; hyperkinetic syndrome; hypersplenism; and an increased systemic availability of drugs and endogenous compounds with rapid hepatic uptake (5). In other complications, portal hypertension plays a key role, although it is not

What causes portal hypertension?

The most common cause of portal hypertension is cirrhosis, or scarring of the liver. Cirrhosis results from the healing of a liver injury caused by hepatitis, alcohol abuse or other causes of liver damage. In cirrhosis, the scar tissue blocks the flow of blood through the liver and slows its processing functions.

What can cause splenomegaly?

Therefore, it is important to know the cause of splenomegaly for treatment:

  • Liver diseases such as liver cirrhosis.
  • Viruses infecting the body, causing diseases like mononucleosis.
  • Certain metabolic disorders like Niemann-Pick disease and Gaucher’s disease.
  • Bacteria causing endocarditis or syphilis.
  • A blood clot decreasing the blood flow to the spleen.
  • Infections caused by parasites like malarial parasites.

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What is splenomegaly?

Splenomegaly refers to an enlarged spleen. The spleen is located in the left upper quadrant of the abdomen, under the rib cage. It plays an importa...

What causes splenomegaly?

Splenomegaly can be caused by a wide range of disorders. It is most commonly caused by infections, certain cancers, and portal hypertension; howeve...

Is an enlarged spleen serious?

Splenomegaly is a serious condition and it is recommended to seek out immediate medical attention if spleen enlargement is suspected. An enlarged s...

What is massive splenomegaly?

Massive splenomegaly refers to significant enlargement of the spleen, usually larger than 20 cm (approximately 8 inches) in length or over 1 kg (ap...

How do you know if your spleen is enlarged?

Individuals with splenomegaly most commonly experience vague abdominal discomfort, which might also be accompanied by localized pain near the splee...

How do you diagnose splenomegaly?

Splenomegaly can usually be diagnosed through palpation during a physical exam. In rare occasions a normal-sized, healthy spleen can also be felt d...

How do you treat splenomegaly?

Treatment of splenomegaly primarily focuses on treating the underlying cause. In general, however, all individuals with splenomegaly are recommende...

What is the prognosis for splenomegaly?

Prognosis for splenomegaly largely depends on the underlying cause. Splenomegaly due to infections, such as infectious mononucleosis, can generally...

What are the most important facts to know about splenomegaly?

Splenomegaly refers to the enlargement of the spleen. Enlargement is defined as a spleen greater than 12 cm (approximately 5 inches) in length or o...

What is portal hypertension?

Portal hypertension is an increase in the pressure within the portal vein, which carries blood from the digestive organs to the liver. The most common cause is cirrhosis of the liver, but thrombosis (clotting) might also be the cause.

What is the name of the condition that causes confusion and forgetfulness?

Ascites: An accumulation of fluid in the abdomen. Encephalopathy: Confusion and forgetfulness caused by poor liver function and the diversion of blood flow away from your liver. Reduced levels of platelets or decreased white blood cell count. Cleveland Clinic is a non-profit academic medical center.

Why does blood pressure increase?

The increase in pressure is caused by a blockage in the blood flow through the liver. Increased pressure in the portal vein causes large veins ( varices) to develop across the esophagus and stomach to get around the blockage. The varices become fragile and can bleed easily.

When does shunt narrowing occur?

Shunt narrowing or occlusion (blockage) can occur any time after the procedure, and most frequently within the first year. Follow-up ultrasound examinations are performed frequently after the TIPS procedure to detect these complications. The signs of occlusion include increased ascites or recurrent bleeding.

Can liver disease cause portal hypertension?

But if you have liver disease that leads to cirrhosis, the chance of developing portal hypertension is high. The main symptoms and complications of portal hypertension include: Gastrointestinal bleeding: Black, tarry stools or blood in the stools; or vomiting of blood due to the spontaneous rupture and bleeding from varices.

What is splenomegaly?

Splenomegaly refers to an enlarged spleen. The spleen is located in the left upper quadrant of the abdomen, under the rib cage. It plays an important role in filtering blood by removing old or damaged cells and debris, as well as helping the body fight infections. The spleen also stores white blood cells and platelets. An enlarged spleen is characterized as one that is larger than 12 cm (approximately 5 inches) in length or over 400 grams (approximately 14 ounces) in weight. Splenomegaly usually occurs as a result of secondary causes rather than primary diseases of the spleen and is considered a rare condition, but can affect anyone.

What are the most important facts to know about splenomegaly?

Massive splenomegaly refers to even greater enlargement, with a spleen size larger than 20 cm (approximately 8 inches) in length or over 1 kg (approximately 2.2 pounds) in weight. The most common causes of splenomegaly include infections, certain cancers, and portal hypertension, which mostly results from liver diseases like cirrhosis. Splenomegaly is considered a serious condition with potential life-threatening consequences, such as significant blood loss due to splenic rupture. Individuals with splenomegaly most commonly experience vague abdominal discomfort in addition to signs and symptoms of the underlying condition. Physical examination is the most common way to detect an enlarged spleen, although additional lab tests and imaging may be required. Treatment and prognosis of splenomegaly largely depend on the underlying cause. In severe cases that require a splenectomy, individuals are advised to get vaccinated against certain bacterias, such as Pneumococcus, Meningococcus, and Haemophilus influenzae, in order to avoid potentially life-threatening infections.

How do you diagnose splenomegaly?

Splenomegaly can usually be diagnosed through palpation during a physical exam. In rare occasions a normal-sized, healthy spleen can also be felt during a physical exam. In massive splenomegaly, the spleen might be palpated across the midline of the abdomen and also extend to the right lower quadrant of the abdomen and in the pelvis. Additionally, blood tests can be administered to check the number of red blood cells, white blood cells, and platelets, as well as the shape of red blood cells. CT scans may be used to determine the size of the enlarged spleen. An ultrasound can also be helpful in diagnosing splenomegaly. Finally, magnetic resonance imaging (MRI) can be used to examine blood flow through the spleen.

How do you know if your spleen is enlarged?

Individuals with splenomegaly most commonly experience vague abdominal discomfort, which might also be accompanied by localized pain near the spleen. Abdominal bloating and decreased appetite due to stomach compression by the enlarged spleen may also occur. Some individuals may experience symptoms of cytopenias (decreased circulation of blood cells), such as fatigue due to anemia, susceptibility to infections, or episodes of bleeding.

What causes splenomegaly in the liver?

Other rare conditions which lead to splenomegaly include metabolic diseases, such as Gaucher disease and Niemann–Pick disease. In Gaucher disease, low levels of a particular enzyme cause fatty substances to accumulate in various organs and tissues, including the bone marrow, liver, and spleen. This build-up can also cause the spleen to enlarge. Similarly, people with Niemann-Pick disease cannot break down a fat called sphingomyelin due to another enzyme deficiency, resulting in fat build-up in cells which can accumulate in various organs, including the spleen.

Why does the spleen enlarge?

When the body is fighting these infections , the spleen works hard to produce antibodies against the infectious agent, leading to an increase in the number of splenic cells. This can ultimately cause enlargement of the spleen. Splenomegaly can also occur as a result of certain blood cancers, such as leukemias and lymphomas.

How big is a spleen?

Massive splenomegaly refers to even greater enlargement, with a spleen size larger than 20 cm (approximately 8 inches) in length or over 1 kg (approx imately 2.2 pounds) in weight. The most common causes of splenomegaly include infections, certain cancers, and portal hypertension, which mostly results from liver diseases like cirrhosis.

Where does parietal pain originate?

Parietal pain arises from the parietal peritoneum and is more localized and intense than visceral pain. Nerve fibers from the parietal peritoneum travel with peripheral nerves to the spinal cord, and the sensation of pain corresponds to skin dermatomes T6 and L1

Which dermatomes correspond to parietal pain?

Parietal pain corresponds to dermatomes T6 and L1.

What is the effect of vomiting on the intestinal lumen?

Copious vomiting or sequestration of fluids in the intestinal lumen prevents their reabsorption and produces severe fluid and electrolyte disturbances.

What are the symptoms of a partial gastrectomy?

After a partial gastrectomy or pyloroplasty, clinical manifestations that include increased pulse, hypotension, weakness, pallor, sweating, and dizziness are the results of which mechanism?

What is a splenomegaly?

Splenomegaly, hypersplenism and coagulation abnormalities in liver disease. Splenomegaly is a frequent finding in patients with liver disease. It is usually asymptomatic but may cause hypersplenism.

Where are coagulation inhibitors synthesized?

This is not surprising as all coagulation proteins (except for von willebrand factor vWF) and most inhibitors of coagulation are synthesized in the liver. Genetic or acquired abnormalities of coagulation may predispose to thrombosis of the hepatic or portal veins with significant clinical sequelae.

Is portal hypertension asymptomatic?

It is usually asymptomatic but may cause hypersplen ism. Thrombocytopenia is the most frequent manifestation of hypersplenism and may contribute to portal hypertension related bleeding. A number of therapies are available for treating thrombocytopenia due to hypersplenism including splenectomy, partial splenectomy, partial splenic embolization, ...

Is hypersplenism a good outcome after liver transplant?

None is entirely satisfactory. Hypersplenism usually improves following liver transplantation. Therapy with cytokines such as thrombopoietin may offer hope for the future. Patients with liver disease also have abnormalities in coagulation.

Is splenomegaly asymptomatic or asymptomatic?

Splenomegaly is a frequent finding in patients with liver disease. It is usually asymptomatic but may cause hypersplenism. Thrombocytopenia is the most frequent manifestation of hypersplenism and may contribute to portal hypertension related bleeding.