Severe Acute Blood Loss Anemia in Jehovah's Witnesses Undergoing Cardiac Surgery: Single Academic Center Experience

Mohammad A Helwani1, Charl J De Wet1, Bethany Pennington1

  • 1Department of Anesthesiology, Washington University, St. Louis, MO.

Insights

Severe acute blood loss anemia (ABLA) in Jehovah

Area of Science:

  • Cardiology
  • Anesthesiology
  • Transfusion Medicine

Background:

  • Jehovah's Witness (JW) patients present unique challenges in cardiac surgery due to their refusal of blood transfusions.
  • Severe acute blood loss anemia (ABLA) is a significant concern in the postoperative period for these patients.
  • Understanding the impact of ABLA on outcomes is crucial for optimizing care.

Purpose of the Study:

  • To investigate the association between severe acute blood loss anemia (ABLA) and postoperative outcomes in Jehovah's Witness (JW) patients undergoing cardiac surgery.
  • To identify risk factors and consequences of ABLA in this specific patient population.

Main Methods:

  • Retrospective cohort study of adult JW patients undergoing cardiac surgery with cardiopulmonary bypass (CPB).
  • Patients were categorized into two groups: those who developed severe ABLA (postoperative hematocrit <21) and those who did not.
  • Postoperative mortality and hospital length of stay were analyzed.

Main Results:

  • Out of 48 JW patients, 18.8% developed severe ABLA.
  • Severe ABLA was linked to increased 30-day, 90-day, and 1-year postoperative mortality.
  • A trend towards increased hospital length of stay was observed in patients with severe ABLA.

Conclusions:

  • Severe acute blood loss anemia following cardiac surgery is associated with significantly higher mortality in Jehovah's Witness patients.
  • A trend towards prolonged hospitalization was noted.
  • Further research is needed to confirm these findings and explore management strategies.
Abstract

Related Concept Videos

Blood Transfusion and Agglutination02:45

Blood Transfusion and Agglutination

Blood transfusion is a therapeutic measure to restore the blood volume after extensive blood loss due to an accident or a medical procedure. Blood transfusion involves drawing a certain amount of blood from a suitable donor and infusing it into the recipient.
History
The history of blood transfusion dates back to the 17th century, when early attempts were made in animals. In 1818 James Blundell, a British doctor, performed the first successful human blood transfusion. Later in 1900, Karl...
11.1K
Hemodialysis II: Procedure and Complications01:24

Hemodialysis II: Procedure and Complications

DialyzersA hemodialysis (HD) dialyzer is a plastic cartridge containing thousands of parallel hollow fibers, which serve as semipermeable membranes. These fibers are typically made from cellulose-based or other synthetic materials. During HD, blood is pumped into the top of the cartridge and distributed among these fibers. Simultaneously, dialysis fluid, known as dialysate, is introduced into the bottom of the cartridge, bathing the outside of the fibers. Across the semipermeable membrane,...
92
Blood Transfusion01:15

Blood Transfusion

Blood transfusion is a critical medical procedure that saves lives and treats various medical conditions. It involves transferring blood from a donor to a recipient. This process requires a thorough understanding of the ABO blood group system and its associated antigens and antibodies.
Blood Transfusion Overview
A blood transfusion is a medical procedure used to replace blood lost due to injury, surgery, or to treat conditions such as anemia or cancer. During a transfusion, donor blood is...
671
Cardiomyopathy VII: Pre and Post Operative Nursing Management01:28

Cardiomyopathy VII: Pre and Post Operative Nursing Management

Patients with hypertrophic cardiomyopathy (HCM) and left ventricular outflow tract (LVOT) obstruction who remain symptomatic despite optimal medical therapy may undergo a septal myectomy (Morrow procedure). This procedure involves excising a portion of the hypertrophied septum below the aortic valve using a heart-lung machine to improve blood flow through the LVOT. Effective preoperative and postoperative nursing management ensures successful patient outcomes, minimizes complications, and...
22
Blood Pressure Imbalances and Circulatory Shock01:24

Blood Pressure Imbalances and Circulatory Shock

Disorders affecting blood volume, vascular tone, or vascular function can disrupt vascular homeostasis, including conditions like hypertension, hemorrhage, and shock.
Blood Pressure: Hypertension and Hypotension
Normal blood pressure is 120/80 mm Hg. Elevated blood pressure is 120-129/under 80 mm Hg. Hypertension, warranting treatment at 130/80 mm Hg, is often asymptomatic and can lead to severe cardiovascular events, aneurysms, peripheral arterial disease, chronic renal disease, or cardiac...
953
Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
232