Week 9 : Blood therapy

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Questions and Answers

Why is a large-bore IV catheter (18-20 gauge) preferred for blood product transfusions?

  • To reduce the risk of graft-versus-host disease.
  • To ensure appropriate flow rate of the blood product. (correct)
  • To minimize the risk of allergic reactions.
  • To prevent iron overload during the transfusion.

A patient with type O blood can receive blood from any ABO blood type due to being a universal recipient.

False (B)

Match the following blood products with their primary indication:

Platelets = Treatment of thrombocytopenia Plasma (FFP) = Correction of coagulation disorders Cryoprecipitate = Treatment of hemophilia or von Willebrand disease Albumin = Volume expansion in hypoalbuminemia

A patient receiving a blood transfusion develops a rash and itching. What is the most appropriate immediate action?

<p>Stop the transfusion immediately and maintain IV access with saline. (A)</p> Signup and view all the answers

Autologous blood transfusion involves receiving blood from a compatible donor.

<p>False (B)</p> Signup and view all the answers

Match the following transfusion reactions with their primary symptoms:

<p>Allergic Reaction = Urticaria, itching Febrile Non-Hemolytic Transfusion Reaction (FNHTR) = Fever, chills Hemolytic Transfusion Reaction = Chest pain, dark urine Circulatory Overload = Cough, shortness of breath</p> Signup and view all the answers

Which blood type is considered the universal recipient?

<p>AB (C)</p> Signup and view all the answers

Rh-positive patients can only receive Rh-positive blood.

<p>False (B)</p> Signup and view all the answers

Name two vital signs that should be monitored during and after a blood transfusion.

<p>Temperature and Blood Pressure</p> Signup and view all the answers

__________ is a late complication of multiple blood transfusions, leading to organ damage due to excess iron accumulation.

<p>Iron Overload</p> Signup and view all the answers

Match the management strategies with the corresponding transfusion reaction:

<p>Allergic Reaction = Administer antihistamines Febrile Non-Hemolytic Transfusion Reaction = Administer antipyretics Hemolytic Transfusion Reaction = Maintain kidney function with fluids Transfusion-Related Acute Lung Injury (TRALI) = Provide respiratory support</p> Signup and view all the answers

An Rh-negative female patient of childbearing age requires a blood transfusion. Which type of blood product is MOST appropriate to administer?

<p>Rh-negative (C)</p> Signup and view all the answers

Prior to initiating a blood transfusion, which of the following actions is MOST critical for the nurse to perform to ensure patient safety?

<p>Confirm the transfusion order, blood product, and patient's identity using two identifiers. (C)</p> Signup and view all the answers

Which of the following is the MOST appropriate intervention for a patient experiencing circulatory overload during a blood transfusion?

<p>Slow the transfusion rate and administer diuretics as prescribed. (C)</p> Signup and view all the answers

A patient with a history of severe allergic reactions requires a blood transfusion. What specific action should the nurse and provider consider to minimize the risk of an allergic reaction?

<p>Use leukocyte-reduced blood products. (C)</p> Signup and view all the answers

A patient undergoing chemotherapy has a critically low platelet count. Which blood product is MOST likely to be administered?

<p>Platelets (A)</p> Signup and view all the answers

Following a traumatic injury, a patient has experienced significant blood loss and requires a transfusion to increase their oxygen-carrying capacity. Which blood product is MOST appropriate?

<p>Red Blood Cells (D)</p> Signup and view all the answers

A patient receiving long-term blood transfusions for a chronic condition is at risk for iron overload. Which intervention is MOST important to monitor and manage this complication?

<p>Regular monitoring of iron levels and use of iron chelation therapy, if necessary. (B)</p> Signup and view all the answers

A patient exhibits sudden respiratory distress, severe hypoxemia, and bilateral pulmonary infiltrates during a blood transfusion. What transfusion reaction is MOST likely occurring?

<p>Transfusion-Related Acute Lung Injury (TRALI) (D)</p> Signup and view all the answers

Why is a crossmatch test performed prior to a blood transfusion?

<p>To assess the compatibility between the donor's blood and the recipient's blood. (A)</p> Signup and view all the answers

A patient with a known allergy to sulfa drugs is about to receive a blood transfusion. What is the MOST important pre-transfusion assessment to perform?

<p>Assess for any previous reactions to blood products. (B)</p> Signup and view all the answers

During a blood transfusion, a patient develops sudden onset of fever, chills, and flank pain. What is the MOST likely type of transfusion reaction occurring?

<p>Hemolytic transfusion reaction (B)</p> Signup and view all the answers

Which action is MOST important for the nurse to take when a patient is suspected of experiencing a transfusion reaction?

<p>Stop the transfusion immediately and maintain IV access with normal saline. (C)</p> Signup and view all the answers

A patient receiving a blood transfusion suddenly develops a cough, shortness of breath, and elevated blood pressure. Which complication is MOST likely?

<p>Circulatory overload (D)</p> Signup and view all the answers

What is the primary purpose of using an in-line filter during blood product administration?

<p>To prevent clots and debris from entering the patient's bloodstream. (D)</p> Signup and view all the answers

Which of the following blood products would be MOST appropriate for a patient undergoing an autologous blood transfusion?

<p>The patient's own previously donated blood (D)</p> Signup and view all the answers

Irradiated blood products are MOST often used for patients at risk for which of the following transfusion complications?

<p>Graft-versus-host disease (GVHD) (D)</p> Signup and view all the answers

A patient receiving a blood transfusion develops respiratory distress, severe hypoxia, and bilateral pulmonary infiltrates. Which transfusion reaction is MOST likely occurring

<p>Transfusion-related acute lung injury (TRALI) (A)</p> Signup and view all the answers

Where can Red blood cell be stored

<p>Blood transfusion Lab (BTL) fridge (C)</p> Signup and view all the answers

When is an order for transfusion NOT required

<p>None of the above (@)</p> Signup and view all the answers

You are collecting a pre-transfusion blood sample from the patient. Select all that are correct.1. The sample tube must be labeled before drawing the blood sample. 2. The sample label must have at least the patient’s name and another unique identifier. 3. The sample label must be checked against the patient’s chart not the armband as it might be wrong. 4. When possible the patient should participate in the identification process. 5. The sample must be labeled in the presence of the patient.

<p>2,4,5 (B)</p> Signup and view all the answers

A 17 year old female is admitted to Emergency after being hit by a car. She requires an immediate Red Blood Cell transfusion for active bleeding before her blood group can be determined. Which blood group is appropriate for this patient?

<p>Group O negative (B)</p> Signup and view all the answers

Serious reactions such as acute hemolytic transfusion reaction usually present more than 6 hours after the completion of the transfusion

<p>False (B)</p> Signup and view all the answers

When administering a transfusion, the blood should initially be started slowly to

<p>Detect transfusion reactions and intervene early before too much blood is transfused (A)</p> Signup and view all the answers

You assess Luke white after the first 15 minutes of his transfusion and notice a red rash appearing on his chest and upper arms. What do you do first?

<p>Stop the transfusion and complete a patient assessment (A)</p> Signup and view all the answers

which blood product is used to control significant bleeding in a patient who has been taking daily ASA

<p>Platelets (@)</p> Signup and view all the answers

Which of the following can cause hemolysis of transfused blood? Select all that apply

<p>Using an IV access ‘Y’d with a medication (C), Transfusing incompatible blood (D), Using an IV access ‘Y’d with an incompatible solution (A), Using an IV access that is too small when transfusing rapidly (B)</p> Signup and view all the answers

You began transfusing Bela Lugosi at 11:30 a.m. When should you next assess the patient and repeat his vital signs?

<p>Within the first 15 minutes (B)</p> Signup and view all the answers

The best way to spike a blood product is to hang it from the IV pole?

<p>False (B)</p> Signup and view all the answers

You began transfusing Mary Bloodworthy at 9:00. It is now 13:00 and Mary’s unit of blood is ¾ transfused. What do you do?

<p>Stop the transfusion and document that Mary only received a partial unit (C)</p> Signup and view all the answers

You are checking platelets prior to starting a transfusion. The patient’s name on the BTL label reads “Joseph White”, but his armband reads “Josef L. White”. What should you do?

<p>Do not start the transfusion and contact the BTL immediately (A)</p> Signup and view all the answers

Which patients should be pre-medicated with an antihistamine prior to transfusion?

<p>Patients who have had prior allergic reactions from transfusion (B)</p> Signup and view all the answers

Which of the following requires transfusion through a blood tubing?

<p>Platelets (@)</p> Signup and view all the answers

Luke White’s platelet transfusion has just finished. Suddenly he says he can’t breathe and collapses in his chair. Which type of acute transfusion reaction can present with dyspnea?

<p>Transfusion related acute lung injury (TRALI) (A)</p> Signup and view all the answers

Select all that are CORRECT:

          1. Before starting blood check patient armband against BTL label/tag. Check blood with the patient’s chart in the case of an outpatient transfusion. Allow the blood to reach room temperature so as not to cause chills. Blood tubing must be primed with D5W only. Blood must be started soon after it is received.

<p>1 and 5 (D)</p> Signup and view all the answers

A 34 year old female requires immediate surgery for a perforated bowel. She has liver disease and her INR is 3.0. The physician has ordered 3 units of plasma. The patient’s blood group is B negative. You are checking the first unit of plasma and the group is B. What is the next step?

<p>After completing the bedside check begin the transfusion (B)</p> Signup and view all the answers

Signs and symptoms that may be associated with a transfusion reaction include: ( Select all that apply

<p>Rash (A), Fever (B), Lower back pain (C), Dyspnea (D)</p> Signup and view all the answers

Types of acute reactions

<h1>=</h1> <h1>=</h1> <p>=</p> Signup and view all the answers

Flashcards

Blood Replacement Products

Used to replace blood lost due to trauma, surgery, or medical conditions; include whole blood, RBCs, platelets, plasma, cryoprecipitate, and albumin.

Whole Blood

Contains red blood cells, plasma, platelets, and clotting factors; used for significant blood loss.

Red Blood Cells (RBCs)

Prepared from whole blood by removing plasma; used to increase oxygen-carrying capacity in patients with anemia or significant blood loss.

Platelets

Used to treat or prevent thrombocytopenia (low platelet count), often in conditions like leukemia or after chemotherapy.

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Plasma (FFP)

Contains water, electrolytes, proteins, hormones, and waste products; used for coagulation disorders, liver disease, or to replace clotting factors.

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Cryoprecipitate

A component of plasma that contains clotting factors, including fibrinogen; used for patients with bleeding disorders.

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Albumin

A protein derived from plasma; used for volume expansion and to maintain blood pressure in patients with severe hypoalbuminemia.

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Transfusion Compatibility Principles

Ensuring blood products and patient blood are compatible to prevent harmful reactions, involving ABO and Rh factor.

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ABO Compatibility

Type A can receive A or O; Type B can receive B or O; Type AB can receive A, B, AB, or O; Type O can only receive O.

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Rh Factor Compatibility

Rh-positive can receive Rh-positive or Rh-negative; Rh-negative should receive Rh-negative to prevent sensitization.

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Crossmatch

Test to ensure compatibility between donor and recipient blood; includes major and minor crossmatch.

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Autologous Blood Transfusion

Patient donates their own blood before surgery for reinfusion during or after the procedure.

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Allergic Reactions (Transfusion)

Rash, urticaria, fever, itching, or anaphylaxis. Stop transfusion, maintain IV access with saline, and notify the healthcare provider.

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Febrile Non-Hemolytic Transfusion Reaction (FNHTR)

Fever and chills within 1-6 hours after transfusion. Slow infusion, administer antipyretics, and monitor symptoms.

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Hemolytic Transfusion Reaction

Fever, chills, chest/flank pain, dark urine, hypotension, tachycardia. Stop transfusion, maintain IV access with saline, and notify provider.

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Pre-Transfusion Care

Verifying transfusion orders, obtaining pre-transfusion vital signs, confirming patient identity, assessing allergies, and ensuring IV access.

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Administering Blood Products

Using a blood administration set with an in-line filter, infusing slowly, and closely monitoring for reactions.

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Post-Transfusion Assessment

Measuring vital signs, monitoring for reactions, and assessing the IV site.

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Post-Transfusion Documentation

Recording the blood product type, amount transfused, start/finish times, and any adverse reactions in the medical record.

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Iron Overload

Seen after multiple transfusions, causing liver damage, heart failure, or diabetes; managed with iron chelation therapy.

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Circulatory Overload

Cough, shortness of breath, hypertension, or pulmonary edema; managed by slowing the transfusion rate and administering diuretics.

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Graft-Versus-Host Disease (GVHD)

Donor T lymphocytes attack the recipient’s tissues, causing rash, fever, diarrhea, liver dysfunction; prevented by irradiating blood products.

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Signs of Allergic Reaction

Rash, hives, itching, or anaphylaxis.

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Signs of FNHTR Reaction

Fever, chills, and malaise.

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Signs of Hemolytic Reaction

Fever, chills, pain at the infusion site, chest or flank pain, dark urine.

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TRALI Signs and Response

Respiratory distress, hypoxia, and bilateral pulmonary infiltrates. The transfusion must be stopped immediately and respiratory support provided.

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Study Notes

  • Blood replacement products are used to replace blood lost due to trauma, surgery, or medical conditions.

Whole Blood:

  • Contains red blood cells, plasma, platelets, and clotting factors.
  • Rarely used due to its high volume; primarily for significant blood loss (e.g., trauma, surgery).

Red Blood Cells (RBCs):

  • Prepared from whole blood by removing plasma.
  • Used to increase oxygen-carrying capacity in patients with anemia or significant blood loss.
  • Usually given to patients with hemoglobin levels below a certain threshold.

Platelets:

  • Used to treat or prevent thrombocytopenia (low platelet count), usually in conditions like leukemia or after chemotherapy.
  • Often given to patients with bleeding risks or active bleeding due to platelet deficiency.

Plasma (Fresh Frozen Plasma - FFP):

  • Contains water, electrolytes, proteins, hormones, and waste products.
  • Used for coagulation disorders, liver disease, or to replace clotting factors in bleeding patients.

Cryoprecipitate:

  • A component of plasma that contains clotting factors, including fibrinogen.
  • Used for patients with bleeding disorders, particularly hemophilia or von Willebrand disease.

Albumin:

  • A protein derived from plasma.
  • Used for volume expansion and to maintain blood pressure in patients with severe hypoalbuminemia (e.g., burns, liver disease).

Transfusion Compatibility Principles

  • Compatibility between blood products and the patient’s blood is crucial to prevent harmful reactions.

Blood Typing:

  • Blood type is categorized by the ABO system (A, B, AB, or O) and Rh factor (positive or negative).

ABO Compatibility:

  • Type A: Can receive A or O.
  • Type B: Can receive B or O.
  • Type AB: Can receive A, B, AB, or O (universal recipient).
  • Type O: Can only receive O (universal donor).

Rh Factor Compatibility:

  • If a patient is Rh-positive, they can receive Rh-positive or Rh-negative blood.
  • If a patient is Rh-negative, they should receive Rh-negative blood to prevent sensitization, especially in women of childbearing age.

Crossmatch:

  • A crossmatch test is done before transfusion to ensure compatibility between donor blood and the recipient’s blood.
  • A major crossmatch tests the recipient’s plasma against donor red cells, while a minor crossmatch tests the recipient’s red cells against donor plasma.

Autologous Blood Transfusion:

  • The patient donates their own blood before surgery, which is then reinfused during or after the procedure.
  • For patients who prefer not to receive donor blood due to religious or personal reasons.

Pre-Transfusion Care:

  • Verify orders: Confirm the transfusion order, blood product, and patient’s compatibility.
  • Pre-transfusion vital signs: Measure baseline vital signs (temperature, heart rate, blood pressure, respiratory rate).
  • Confirm identity: Use two patient identifiers (e.g., name, date of birth) to verify the patient and blood product.
  • Assess for allergies: Ensure the patient has no history of reactions to blood products.
  • Ensure IV Access: A large-bore IV catheter (18-20 gauge) is preferred for blood product transfusion to ensure appropriate flow.
  • Use a blood administration set: Blood products should be administered with an in-line filter to prevent clots from entering the bloodstream.
  • Infusion Rate: Start the transfusion slowly, typically over 2 hours, and observe the patient closely during the first 15 minutes.
  • Monitor for Reactions: Continuously assess for signs of adverse reactions during transfusion.

Post-Transfusion Care:

  • Vital Signs: Measure vital signs at intervals (e.g., 15 minutes after transfusion starts, hourly during transfusion, and at the end).
  • Monitor for Reactions: Check the patient for signs of transfusion reactions (e.g., fever, rash, back pain, shortness of breath).
  • Assess the IV Site: Check for signs of infiltration or phlebitis.
  • Record the type of blood product, amount transfused, start and finish times, and any adverse reactions in the medical record.

Potential Complications of Blood Product Administration

Allergic Reactions:

  • Symptoms: Rash, urticaria, fever, itching, or anaphylaxis (severe reactions).
  • Management: Stop the transfusion immediately, maintain IV access with saline, and notify the healthcare provider. Antihistamines may be ordered for mild reactions.

Febrile Non-Hemolytic Transfusion Reaction (FNHTR):

  • Symptoms: Fever and chills within 1-6 hours after transfusion.
  • Cause: Immune response to white blood cells in the transfused blood.
  • Management: Slow the transfusion, administer antipyretics, and monitor for further symptoms.

Hemolytic Transfusion Reaction:

  • Symptoms: Fever, chills, chest or flank pain, dark urine, hypotension, tachycardia, and hemoglobinuria.
  • Cause: ABO incompatibility, where the recipient’s immune system attacks transfused red blood cells.
  • Management: Stop the transfusion immediately, maintain IV access with saline, and notify the healthcare provider. Send the blood bag and tubing to the lab for testing.

Iron Overload:

  • Symptoms: Seen after multiple transfusions, causing liver damage, heart failure, or diabetes.
  • Management: Regular monitoring of iron levels and use of iron chelation therapy if necessary.
  • Symptoms: Sudden respiratory distress, hypoxemia, and bilateral pulmonary infiltrates.
  • Cause: Immune response to leukocyte antigens in transfused blood.
  • Management: Stop the transfusion, provide respiratory support, and notify the healthcare provider.

Graft-Versus-Host Disease (GVHD):

  • Symptoms: Rash, fever, diarrhea, liver dysfunction.
  • Cause: Donor T lymphocytes attack the recipient’s tissue.
  • Management: This is rare but often fatal, and can be prevented by using irradiated blood products for immunocompromised patients.

Circulatory Overload:

  • Symptoms: Cough, shortness of breath, hypertension, or pulmonary edema.
  • Management: Slow the transfusion rate, monitor oxygen levels, and administer diuretics if necessary.

Recognizing and Responding to Common Transfusion Reactions

Allergic Reactions:

  • Signs: Rash, hives, itching, or anaphylaxis.
  • Response: Stop the transfusion immediately, maintain IV access with normal saline, notify the healthcare provider, and administer antihistamines or epinephrine as prescribed.

Febrile Non-Hemolytic Transfusion Reaction (FNHTR):

  • Signs: Fever, chills, and malaise.
  • Response: Slow the transfusion or stop, administer antipyretics, and monitor the patient for worsening symptoms.

Hemolytic Transfusion Reaction:

  • Signs: Fever, chills, pain at the infusion site, chest or flank pain, dark urine.
  • Response: Stop the transfusion immediately, maintain IV access with normal saline, notify the healthcare provider and send blood to the lab, administer fluids to maintain kidney function.
  • Signs: Respiratory distress, hypoxia, bilateral pulmonary infiltrates on imaging.
  • Response: Stop the transfusion immediately, provide respiratory support (e.g., oxygen, mechanical ventilation if needed), and notify the healthcare provider.

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