
- Breathing problems (shortness of breath or pain when breathing or both)
- Extreme tiredness
- Headache or dizziness
- Painful erections in males
- Weakness or a hard time moving some parts of your body
- Yellowish skin color ( jaundice)
- Breathing problems (shortness of breath or pain when breathing or both)
- Extreme tiredness.
- Headache or dizziness.
- Painful erections in males.
- Weakness or a hard time moving some parts of your body.
- Yellowish skin color (jaundice)
What are the symptoms of a vaso-occlusive crisis?
swelling, tenderness, or redness in their hands or feet A vaso-occlusive crisis is a name for pain caused when there’s low oxygen flow to your body’s tissues.
What is the medical term for vaso occlusive crisis?
Vaso-Occlusive Crisis. Home » Vaso-Occlusive Crisis. Sickle cell anemia is an inherited disorder that is caused by a mutation in the gene encoding for hemoglobin, which is the protein in red blood cells that carries oxygen. The altered form of hemoglobin in patients with this condition is called hemoglobin S or sickle hemoglobin.
What are the signs and symptoms of subacute and chronic veno-occlusive disease?
Subacute and chronic veno-occlusive disease usually occurs with chronic low dose ingestion of pyrrolizidine alkaloids or oral chemotherapeutic agents (such as thioguanine). Patients present with the insidious onset of fatigue, abdominal distension and signs and symptoms of portal hypertension.
What is vaso occlusive crisis in sickle cell disease?
Vaso-Occlusive Crisis. Sickle cell anemia patients often experience episodes of acute pain that are caused by vaso-occlusive crisis (VOC). VOC is the most common complication of sickle cell anemia and a frequent reason for emergency department visits and hospitalization.

What are the signs and symptoms of a vaso-occlusive crisis?
Pain Patterns in the Vaso-occlusive Crisis A vaso-occlusive crisis most commonly involves the back, legs, knees, arms, chest and abdomen. The pain generally affects two or more sites. Bone pain tends to be bilateral and symmetric. Recurrent crises in an individual patient usually have the same distribution.
What are signs and symptoms of sickle cell Anaemia?
Signs and symptoms can include:Anemia. Sickle cells break apart easily and die. ... Episodes of pain. Periodic episodes of extreme pain, called pain crises, are a major symptom of sickle cell anemia. ... Swelling of hands and feet. ... Frequent infections. ... Delayed growth or puberty. ... Vision problems.
What happens during a vaso-occlusive crisis?
A vaso-occlusive crisis, or VOC, occurs when sickled red blood cells block blood flow to the point that tissues become deprived of oxygen. This in turn sets in motion an inflammatory response as the body tries to rectify the problem.
What are the symptoms of SC genotype?
People with Hemoglobin SC disease have red blood cells that are differently shaped and therefore do not carry oxygen as effectively. Symptoms of Hemoglobin SC disease include anemia and episodes of fatigue and extreme pain (vaso-occlusive crisis). The severity of the symptoms can vary from person to person.
What are the symptoms of sickle cell anemia in adults?
Signs and Symptoms of Adult Sickle Cell DiseaseFatigue (feeling weak and unusually tired)Dizziness.Headaches.Cold hands and feet.Jaundice (yellow tinted skin or whites of eyes)Unusually pale skin and mucous membranes (tissue inside the nose, mouth, and elsewhere inside the body)
What is the difference between sickle cell disease and sickle cell anemia?
Sickle cell disease (SCD) is a serious group of conditions which are inherited (genetic). It affects the red blood cells in the blood. Sickle cell anaemia is the name of a specific form of SCD in which there are two sickle cell genes (see below).
What is vaso-occlusive pain crisis?
A vaso-occlusive crisis occurs when the microcirculation is obstructed by sickled RBCs, causing ischemic injury to the organ supplied and resultant pain.
What causes vaso occlusion?
Triggers of vaso-occlusive crisis include the following: Hypoxemia: May be due to acute chest syndrome or respiratory complications. Dehydration: Acidosis results in a shift of the oxygen dissociation curve. Changes in body temperature (eg, an increase due to fever or a decrease due to environmental temperature change)
What is the different between SC and SS genotype?
While SS is the most common type, SC is the second most common type. “SC occurs when you get one S gene and one C gene from your parents. This is why genotype checks are very crucial before marriage,” Laide Shuaib, a medical laboratory scientist, said.
What is AA genotype sickness?
According to the experts, contrary to the notion making the round on social media that Nigerians with the AA genotype are coming down with sore throat, runny nose and malaria because of their genotype, patients with such symptoms should be checked because they might have contracted the Omicron variant of COVID-19.
What is sickle beta thalassemia?
Overview. Sickle beta thalassemia is an inherited condition that affects hemoglobin, the protein in red blood cells that carries oxygen to different parts of the body. It is a type of sickle cell disease.
What is the main cause of sickle cell anemia?
What causes sickle cell disease? Sickle cell is an inherited disease caused by a defect in a gene. A person will be born with sickle cell disease only if two genes are inherited—one from the mother and one from the father. A person who inherits just one gene is healthy and said to be a "carrier" of the disease.
What are the 3 main causes of anemia?
Anemia has three main causes: blood loss, lack of red blood cell production, and high rates of red blood cell destruction. Conditions that may lead to anemia include: Heavy periods. Pregnancy.
What are the 3 types of sickle cell?
There are several types of sickle cell disease. The most common are: Sickle Cell Anemia (SS), Sickle Hemoglobin-C Disease (SC), Sickle Beta-Plus Thalassemia and Sickle Beta-Zero Thalassemia.
How is sickle cell diagnosed?
A blood test can check for the form of hemoglobin that underlies sickle cell anemia. In the United States, this blood test is part of routine newborn screening. But older children and adults can be tested, too. In adults, a blood sample is drawn from a vein in the arm.
What are the triggers of VOC?
The triggers of VOC are not entirely understood. The cell aggregates that cause VOC consist not only of red blood cells, but also of inflammatory cells. Inflammation, therefore, seems to play a role in the development of VOC and might be promoted by infections. Dehydration and cold weather also are possible VOC triggers.
Does red blood cell therapy help with VOC?
Because hemoglobin levels often decrease during VOC, a red blood cell transfusion may be necessary in some cases to help to restore hemoglobin levels to the patient’s baseline levels.
Is VOC considered a medical emergency?
VOC can be extremely painful and is considered a medical emergency. However, the pain is not always adequately addressed in sickle cell anemia patients, and pain management guidelines have been put in place to improve the occurrence. Moderate-to-severe pain may be controlled with opioids.
What is vaso occlusive crisis?
VASO-OCCLUSIVE CRISIS. A vaso-occlusive crisis is a name for pain caused when there’s low oxygen flow to your body’s tissues. This type of musculoskeletal pain is the most common sickle cell disease-related complaint among older children and adults. When you experience a vaso-occlusive crisis, sickled cells block your blood vessels, ...
What is the first symptom of sickle cell disease?
Dactylitis, painful swelling in your hands or feet, is often the first symptom babies and young children with sickle cell disease exhibit. Your child may have sickle cell disease if you notice:
What is the buildup of plaque in the arteries?
Carotid arteries may develop atherosclerosis, the buildup of fat and cholesterol deposits, called plaque, on the inside of the arteries. Over time, the buildup narrows the artery, decreases blood flow to the brain and can lead to a stroke. A stroke can occur if:
How to prevent stroke?
Eat foods low in saturated fats and cholesterol and avoid trans-fats. Achieve and maintain a desirable weight. Exercise regularly. Control other stroke risk factors: limit the amount of alcohol you drink and if you have atrial fibrillation, you should be on blood-thinning medications.
What is a mini stroke?
This is sometimes referred to as a "mini-stroke" and is a strong indicator of significant risk for a more severe subsequent stroke, especially in the setting of carotid artery narrowing.
Can a stroke occur due to a carotid artery?
A stroke can occur if: A piece of plaque breaks off and travels to the smaller arteries of the brain (also called embolization) The most common of these ways in which stroke can occur due to a carotid artery, however, is embolization. Learn more about the symptoms and diagnosis, and treatment of carotid artery disease.
How do you know if you have vasovagal syncope?
Before you faint due to vasovagal syncope, you may experience some of the following: Pale skin. Lightheadedness. Tunnel vision — your field of vision narrows so that you see only what's in front of you. Nausea. Feeling warm. A cold, clammy sweat. Blurred vision.
What are the triggers for vasovagal syncope?
Sometimes there is no classical vasovagal syncope trigger, but common triggers include: Standing for long periods of time. Heat exposure. Seeing blood. Having blood drawn. Fear of bodily injury. Straining, such as to have a bowel movement.
Why does Vasovagal syncope occur?
Causes. Vasovagal syncope occurs when the part of your nervous system that regulates heart rate and blood pressure malfunctions in response to a trigger, such as the sight of blood. Your heart rate slows, and the blood vessels in your legs widen (dilate). This allows blood to pool in your legs, which lowers your blood pressure.
What is veno occlusive disease?
Sinusoidal obstruction syndrome (SOS), previously known as veno-occlusive disease (VOD), is a distinctive and potentially fatal form of hepatic injury that occurs predominantly, if not only, after drug or toxin exposure.
What is sinusoidal obstruction syndrome?
Sinusoidal obstruction syndrome (veno-occlusive disease ) in the rat is prevented by matrix metalloproteinase inhibition. [Gastroenterology. 2003] Sinusoidal obstruction syndrome (veno-occlusive disease) in the rat is prevented by matrix metalloproteinase inhibition.
What is the clinical syndrome of Budd Chiari?
The clinical syndrome is similar to Budd Chiari syndrome (hepatic vein thrombosis), but the obstruction is due to narrowing and occlusion of sinusoids and small hepatic venules rather than thrombosis of the larger hepatic veins. At least 80% of patients with sinusoidal obstruction syndrome recover.
How long does it take for sinusoidal obstruction to develop?
The onset of sinusoidal obstruction syndrome is typically within 10 to 20 days after transplantation.
What is SOS in chemo?
SOS can also occur after administration of single chemotherapeutic agents in nonmyeloablative doses, such as with cyclic intravenous infusions of dacarbazine (DTIC), gemtuzumab (a toxin conjugated anti-CD33 monoclonal antibody), oxaliplatin and carboplatin and, rarely, other single chemotherapy drugs.
What is the most important assessment of the likelihood of SOS?
Most important is the assessment of the likelihood of SOS and use of chemotherapies and conditioning regimens with lower rates of this complication in patients at highest risk (preexisting liver disease, previous myeloablative therapies and prior liver irradiation).
What is acute sos?
Acute SOStypically presents with abdominal pain and swelling, weight gain and signs of portal hypertension ( ascites, edema, varices). Jaundiceis generally mild or absent initially, but may develop and worsen if the injury is severe.
Overview
Vasoconstriction is what healthcare providers call it when the muscles around your blood vessels tighten to make the space inside smaller. This is the opposite of vasodilation, which opens your blood vessels to make the space inside bigger.
Care and Treatment
Once the cause of your vasoconstriction is gone, the vasoconstriction will be, too. For example, when you get warmed up, your body’s blood vessels will widen. Some medical problems, like Raynaud’s phenomenon, need to be treated with prescription medicine to widen blood vessels.
When to Call the Doctor
You should seek medical help when you have a bothersome or serious problem, such as:
Frequently Asked Questions
When blood vessels become narrow, it takes more pressure for the blood to travel through the blood vessels.
