Should Know · Ontario Newborn Screening •Currently all newborns in Ontario are screened for the...
Transcript of Should Know · Ontario Newborn Screening •Currently all newborns in Ontario are screened for the...
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“Sickle Cell: What Every Nurse Should Know”
Presenters: Kate Uchendu(NP-Adult) & Melina Cheong (NP-Pediatrics)
Facilitator: Jacquie Dover, RN, BScN, MHSc, CCHN(C)
March 9, 2016
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Agenda
• What is Sickle Cell Disease
• Epidemiology
• Newborn Screening
• Clinical Manifestations
• Pain in Sickle Cell Disease
• Psychosocial Impact of Sickle Cell Disease
• What can nurses do to help?
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Sickle Cell Disease
• Group of inherited red blood cell disorders caused by abnormal hemoglobin.
• Sickled hemoglobin differs from normal hemoglobin.
• Substitution of one amino acid (valine in place of glutamic acid).
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Sickle Cell Trait vs. Disease
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Epidemiology
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Ontario Newborn Screening
• 26 diseases screened.
• Sickle Cell added to newborn screening in Ontario since November 2006.
• First step in the prevention of morbidity and mortality due to severe bacterial infections.
(Gatson, M.H. et. Al, 1986)
http://www.newbornscreening.on.ca/bins/content_page.asp?cid=7-21-350&lang=1
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Ontario Newborn Screening
• Currently all newborns in Ontario are screened for the following target hemoglobin diseases on their newborn screening test:
– Sickle Cell Anemia (Hb SS)
– SC disease (Hb SC)
– Sickle-Beta-thalassemia (Hb S/B-thal)
• In Toronto, we see approximately 60 cases per year.
– Started on penicillin prophylaxis.
– Parental Education.
– Offered Genetic counseling.
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Screen Positive by Disease Category
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Hemoglobin
• Hemoglobin is the molecule that gives red blood cells its red color.
• Each red blood cell has several hemoglobin molecules.
• Oxygen is transported via hemoglobin molecules.
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Sickle vs Normal Red Blood Cells
Normal red blood cells • Disc-shaped. • Looks like doughnuts with no hole. • Flows easily through blood
vessels. • Lives for about 120 days.
Sickled red blood cells • Sickle shaped. • Hard. • Gets stuck in small blood vessels
causing pain and tissue damage. • Lives for about 20 days.
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Effects of Sickling
• Pain (Most common presenting complaint).
• Organ damage.
• Anemia.
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Clinical Manifestations of SCD Retinopathy
Asthma
Acute Chest Syndrome
Hepatopathy
Cholelithiasis
Pregnancy
Complications
Avascular Necrosis
Aplastic crisis
Stroke
Pulmonary Hypertension
Infection
Asplenism
Splenic sequestration crisis
Renal Complications
Priapism
Leg ulcers
Painful Vaso-occlusive Crises
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Pain in Sickle Cell Disease
• Most frequent presentation.
• Usually acute.
• Can have a chronic component.
• Important to differentiate between the two.
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Acute Pain in SCD
• Vaso-Occlusive Episode.
• Cholecystitis.
• Splenic Sequestration.
• Priapism.
• Osteomyelitis.
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Chronic Pain
• Leg Ulcers.
• Chronic Osteomyelitis.
• Avascular Necrosis of hips/shoulders.
• Depression/Anxiety.
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Management of Acute Sickle Cell Pain - Recommendations
• Rapid Assessment.
• Focused history & physical exam.
• Awareness of other complications of sickle cell.
• Assess for causes of pain unrelated to sickle cell.
• Acknowledge pain, implement supportive measures.
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Recommendations(cont’d)
• Use Institution Specific protocols.
• Use patient specific orders.
• Start patient on hydration.
• Rapidly initiate pain management with opioids for severe pain within 30minutes.
• Reassess for complications, seek support from Hematology.
• Maintain best practices on in-patient unit if admitted.
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Pain prevention & Intervention
The ‘3 P s’ Approach
Pharmacological Medication
Physical •Heat •Relaxation •Massage •Physiotherapy
Psychological •Education •Distraction
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Analgesia Ladder
World Health Organization (WHO) Pain Relief Ladder
Mild pain = Scale 0-3
acetaminophen (e.g.
Tylenol® or Tempra)
OR ibuprofen(e.g. Advil® or
Motrin®).
Moderate pain = Scale 4-6 acetaminophen AND
ibuprofen AND
If needed morphine OR hydromorphone.
Severe pain = Scale 7-10 acetaminophen AND ibuprofen
AND
morphine OR hydromorphone
Seek medical advice if no improvement with pain medications.
PAIN DECREASING Stop taking one medication at a time, starting with morphine or hydromorphone.
PAIN INCREASING
Give medicines ‘around-the-clock’ every 4-6 hours in the following order.
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WHO Recommendations on Pain Relief
• Balanced Analgesia
– More than one class of analgesic.
– Better pain relief with fewer side effects.
• Medications should be taken
– Scheduled.
– By the mouth.
– By the ladder.
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Treatment Options for Sickle Cell Disease
Potentially Curative
Management of Complications
Hematopoietic Stem Cell Transplantation.
Hydroxyurea (Hemoglobin F modulating agent). Regular Blood/Exchange Transfusions.
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Blood Transfusions
• RBC Phenotype
• Absence of sickle hemoglobin.
• Used to remove sickle cells and replace with normal cells without increasing blood viscosity.
Autologous blood transfusion should be avoided.
• Alloimmunization (immune response to foreign antigens)
– Increases with each transfusion.
– Phenotypic incompatibility between donor and recipient.
– 20%-25% incidence, greater than general public.
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Most Importantly…….
• Hematology should be notified before any blood products are given to a sickle cell patient.
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Issues commonly encountered by Patients & Families
• Stigma.
• Poverty.
• Chronic pain and perception of addiction.
• Racism.
• Frequent visits.
• Transitions in Care.
• Patient & Provider knowledge deficit.
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Psychosocial Impact
• Relationships.
• Workplace Issues & Finances.
• School.
• Anxiety about health.
• Guilt about passing on disorder.
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What Nurses Can Do
• Educate yourself about Sickle Cell Disease. • Timely assessment of patients. • Advocate for rapid and effective treatment of pain. • Develop trusting relationship with patient and
family. • Educate patients to use a pro-active approach in
pain management. • Educate patients and families on transition. • Starting transition program from paediatrics to
adult care.
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Best Practice
• Utilization of the following:
– Clinical protocols.
– Medical directives.
– Preprinted order sets.
– Patient specific orders
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Associations Community Health Centres
Advocacy Groups
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CanHeam
http://canhaem.org/
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Resources
– www.aboutkidshealth.ca
– www.scinfo.org
– http://www.who.int/en/
– http://www.newbornscreening.on.ca/bins/index.asp
– www.nhlbi.nih.gov
– http://www.uhn.ca/PrincessMargaret/PatientsFamilies/Clinics_Tests/Red_Blood_Cell_Disorders
– https://www2.rcn.org.uk/__data/assets/pdf_file/0004/372991/003874.pdf
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References
• Ballas, Gupta, Adam-Graves(2012) Sickle Cell Pain: A critical re-appraisal. Blood.120: 3647-3656
• Claster S, Vichinsky EP. Managing sickle cell disease. BMJ. 2003;327(7424):1151-1155.
• Expert Panel Report, US Department of Health and Human Services. Evidence-Based Management of Sickle Cell Disease. National Institutes of Health. 2014.
• Green NS, Barral S. Emerging science of hydroxyurea therapy for pediatric sickle cell disease. Pediatr Res. 2014;75(1-2):196- 204.
• Hsieh MM, Fitzhugh CD, Weitzel RP, et al. Nonmyeloablative HLA-matched sibling allogeneic hematopoietic stem cell transplantation for severe sickle cell phenotype. JAMA. 2014;312(1):48-56.
• Rees DC, Williams TN, Gladwin MT. Sickle-cell disease. The Lancet. 2010;376(9757):2018-2031.
• Sickle Cell Information Center (2016) What is sickle cell disease. Retrieved from http://scinfo.org/index.php/what-is-sickle-cell-disease
• National Heart Blood & Lung Institute (2016) What is Sickle Cell Disease? Retrieved from http://www.nhlbi.nih.gov/health/health-topics/topics/sca
• National Institutes of Health. The Management of Sickle Cell Disease. 2002.
• Ohene-Frempong et al (1998): Cerebrovascular accidents in Sickle Cell Disease: Rates and Risk Factors. Blood 91: 288-294