ISSN: 2469-2778 HTIJ

Hematology & Transfusion International Journal
Mini Review
Volume 3 Issue 2 - 2016
Fever in an Adult with Sickle Cell Disease: To Treat or Not to Treat? A Case of Multi-Organ Failure
Young JR1*, Turnbull A2, Lakshmanan S2 and Osunkwo I2
1Department of Emergency Medicine, Carolinas Medical Center, USA
2Department of Carolinas HealthCare System, Levine Cancer Institute, USA
Received: September 22, 2016 | Published: December 06, 2016
*Corresponding author: Young JR, Department of Emergency Medicine, Carolinas Medical Center, 1000 Blythe Boulevard, Charlotte, North Carolina 28203, USA, Tel: 704-355-7205; Fax: 704-910-5891; Email:
Citation: Young JR, Turnbull A, Lakshmanan S, Osunkwo I (2016) Fever in an Adult with Sickle Cell Disease: To Treat or Not to Treat? A Case of Multi-Organ Failure. Hematol Transfus Int J 3(2): 00061. DOI: 10.15406/htij.2016.03.00061


Patients with sickle cell disease are at increased risk of invasive infection despite gains made through penicillin prophylaxis, pneumococcal immunization and newborn screening. We present the case of a 42-year old male with hemoglobin SS disease, who developed acute multi-organ failure (MOF) secondary to Streptococcus pyogenes. He presented to the emergency department complaining of fever three times in five days, although afebrile at each presentation. On his third visit he became hemodynamically unstable and encephalopathic requiring intubation and admission to the ICU. His course was complicated by cardiomyopathy, acute renal insufficiency and bilateral trans metatarsal amputations. He was successfully discharged home on hospital day #37. We report on our experience with MOF from unrecognized infection in an adult with SCD and fever and review evidence-based and consensus treatment practices for management of sickle disease and fever in the emergency department. In conclusion, we strongly recommend that all fever in adults with sickle cell disease be treated as a medical emergency and receive empiric antibiotic therapy in addition to routine work-up and investigations.

Keywords: Emergency medicine; Evidence-based guidelines; Fever; Multi-organ failure; Sickle cell disease; Streptococcus pyogenes


ACS: Acute Chest Syndrome; ALT: Alanine Transaminase; AST: Aspartate Transaminase; AVN: Avascular Necrosis; BCX: Blood Culture; BPM: Beats Per Minute; BUN: Blood Urea Nitrogen; CPM: Cycles Per Minute; CXR: Chest X-Ray; CBC: Complete Blood Count; CMP: Complete Metabolic Panel; ED: Emergency Department; GAS: Group A Streptococcus; Hgb: hemoglobin; HbSS: Hemoglobin SS; Hct: hematocrit; Htn: Hypertension; MOF: Multi-Organ Failure; SCD: Sickle Cell Disease; STSS: Streptococcal Toxic Shock Syndrome; VOC: Vasoocclusive Crisis; WBC: White Blood Cell


Approximately 95% of SCD patients are functionally asplenic by five years of age, greatly increasing risk for infection [1]. In the 1970s, life expectancy for SCD patients in the United States was only 14.3 years [2]. Ten percent of children with SCD acquired invasive pneumococcal infection by five years of age, with greater than 30% mortality, prior to prophylactic penicillin and immunizations [3-5]. Newborn screening, penicillin prophylaxis and immunizations reduced mortality during the first five years of life from 25% to less than 3% and close to 94% of patients with hemoglobin SS disease now live into adulthood [3,6,7]. In addition to preventative measures, aggressive management of fever has been critical for this success. Strict guidelines exist for the management of fever in pediatric SCD, including empiric antibiotics and 24-hour follow-up [8-10]. These guidelines are less stringent in the adult population. Adults with SCD, however, do not receive the same mortality benefit from newborn screening, penicillin and immunizations. Immigration of unscreened persons may alter data analysis, but it is postulated that the mortality burden of SCD has shifted towards later years [7,11]. Heightened awareness is therefore essential to provide effective management of adults with SCD and fever.

We present the case of a forty-two-year-old male with hemoglobin SS (HbSS) disease and history of fever. Additional past medical history includes hypertension (HTN), severe malnutrition, chronic leg ulcers, bilateral avascular necrosis (AVN) of femoral and humeral heads, cholelithiasis and Port-a-Cath central venous catheter placement two years prior for frequent venous access needs. Medications include hydroxyurea, oxycodone-acetaminophen and hydromorphone. Patient initially presented to the ED with one-day history of headache, generalized myalgias and reported fever of 38.9°C. Despite known SCD complications, he had been well managed for the preceding two years (one ED visit, no transfusions). Vitals on initial presentation were unremarkable (Table 1). Complete blood count (CBC) and comprehensive metabolic panel (CMP) were obtained, notable for baseline hemoglobin (Hgb) of 9gm/dL, white blood cell count (WBC) 13.2K/uL and grossly unremarkable CMP (Table 2). He received intravenous fluids (IVF) and analgesics and was discharged home after pain resolution. He returned the following day with worsening fever (40.6°C at home), headache, abdominal pain and diffuse weakness. He was afebrile upon presentation and other vitals were unremarkable (Table 1). Due to persistent headache, a lumbar puncture (LP) was performed, which showed no evidence of infection (WBC 0/uL, glucose 65mg/dL, protein 29mg/dL). Patient received IVF, analgesia, anti-emetics and was discharged home with resolution of complaints. He returned to the ED two days later, describing persistent and worsening headache, fevers, two days of emesis, and a new cough. He was afebrile but mildly hypotensive and tachycardic (Table 1). Labs and chest radiograph (CXR) were obtained (Table 2 & Figure 1). Hgb 7.7gm/dL, bilirubin 14mg/dL and lactate 2.38mmol/L. Blood and urine cultures were ordered, although never drawn. CXR revealed a large right middle lung zone infiltrate (Figure 1). He received 2L normal saline (NS) bolus, empiric levofloxacin and was admitted to the inpatient ward.

ED Visit #1

ED Visit #2

ED Visit #3

Temperature (°C)




Pulse (bpm)

91 bpm

88 bpm

113 bpm

Blood Pressure (mmHg)

133/75 mmHg



Respiratory Rate (cpm)

18 cpm

18 cpm

18 cpm

O2 Saturation




Table 1: Vital Signs.

1 week prior to admission Presentation 3 (HOSPITAL DAY 0)

Figure 1: Chest Radiographs.

Patient became increasingly confused, tachycardic and hypotensive despite fluid resuscitation, and transferred to the intensive care unit (ICU). STAT head, chest and abdominal CT scans were acquired and antibiotics were broadened. Chest CT showed multilobar right-sided airspace disease. Patient was intubated for worsening respiratory status despite BiPAP and transferred to the regional referral center for exchange transfusion and further management of acute chest syndrome (ACS). A broncho alveolar lavage (BAL) for culture and sensitivities was obtained at the time of intubation. He received one unit of packed red blood cells (pRBCs) during transport. In the ICU, repeat laboratories returned suggestive of acute MOF (Table 2). He received an exchange transfusion and an additional 3 units of pRBCs for persistent anemia (Hgb 7.7gm/dL, reticulocyte count 1.6%), required norepinephrine and vasopressin drips for hypotension, developed acute renal insufficiency (creatinine 1.75mg/dL, baseline 0.7mg/dL), stress-induced cardiomyopathy (ejection fraction 21%), and persistent respiratory failure requiring ventilator support until hospital Day #10. His respiratory culture grew Streptococcus pyogenes on hospital Day #2. Antibiotics were narrowed to ceftriaxone to complete a 14-day course. Blood and urine cultures throughout showed no growth, although drawn after the initiation of antibiotics. Despite aggressive management in the ICU the patient’s course was complicated by development of an exudative right-sided pleural effusion requiring tube thoracostomy on hospital day #2, large venous thrombus extending from left external iliac to left common iliac vein on hospital day #8 requiring therapeutic anticoagulation, dry-gangrene of bilateral toes (hospital day #15) requiring bilateral trans metatarsal amputations and hematochezia with cytomegalovirus colitis and rectal ulcer (hospital day # 29) requiring treatment with valgancyclovir. He required consultation from pulmonary critical care, gastroenterology, hematology, infectious disease, vascular surgery and rehabilitation during his hospital course. On hospital day #37, patient was discharged home.

Baseline (1 month prior)

ED Visit #1

ED Visit #3 (Hospital Day 0)

Hospital Day (Day #)

WBC (K/uL)




44.1 (5)

Hemoglobin (gm/dL)




7.3 (5)

Hematocrit (%)




23 (5)

Reticulocyte (%)


1.8 (4)

BUN (mg/dL)




19 (4)

Creatinine (mg/dL)




1.75 (4)





76 (6)





154 (3)

Bilirubin (mg/dL)




14.1 (1)

Lactate (mmol/L)


8 (1)

Table 2: Laboratory Investigations.

At 6-month review, patient had completed his course of inpatient rehabilitation and successfully returned to work. He stopped his anticoagulation and was ambulatory with specialized orthotic footwear. He underwent follow-up MRI/MRA of the brain, which showed no evidence of silent stroke or cerebral atrophy. Hydroxyurea was discontinued and he successfully transitioned to chronic RBC transfusion therapy without evidence of toxicity. Despite his successful recovery, he still battles with chronic pain and depression.


SCD is the most common genetic disease in the United States. Between 1999 and 2007, there were close to 198,000 ED visits in the United States annually for SCD-related complaints. Six percent of these visits revolved around fever [12]. Despite this high volume there is a dearth of published data regarding emergent management of febrile adults with SCD. Since 1970, there have been no systematic reviews conducted for SCD and fever, acute anemia, or MOF [13]. Accordingly, variability in management strategies is common.

SCD patients are presumed to be functionally asplenic and therefore at higher risk for infection with encapsulated organisms (specifically Streptococcus pneumonia, Group B Strep, Haemophilus influenzae, Neisseria meningitidis and Salmonella typhi). The risk of streptococcal bacteremia in the pediatric SCD population in the pre-prophylactic penicillin and pneumococcal vaccination era has been reported as 4 to 10 per 100 person-years, which is 20 times greater than that of the typical population [3,14-16]. However, with the advent of newborn screening, penicillin prophylaxis, and routine pneumococcal vaccination, the incidence of invasive pneumococcal disease decreased by greater than 90% [16,17]. Life expectancy also increased from 14 years to approximately 45 years of age in the United States [2,18]. Despite these remarkable improvements, infection remains the leading cause of death in adults with SCD, although this now takes the form of acute MOF and ACS as compared to pneumococcal bacteremia [7]. Appropriately, the 2014 NIH Evidence-Based Management of Sickle Cell Disease explains that fever in a sickle cell disease patient is a medical “emergency” [9].

As an “emergency”, fever in SCD warrants aggressive infectious work-up including blood culture (BCX), CBC, and reticulocyte count [8,9]. Regardless of laboratory results, pediatric patients receive broad-spectrum parenteral antibiotics [8-10]. Adults however, are presumed to have more mature immune systems and are not mandated to receive antibiotics unless “ill-appearing” or requiring admission [8,9]. This is supported by the fact that children less than three years old with SCD had an almost 100-fold higher incidence of invasive pneumococcal disease compared to their adolescent counterparts prior to penicillin prophylaxis and pneumococcal immunization [19]. However, the burden of disease is shifting towards adults, and many adults remain incompletely immunized [7,20]. Functional asplenia in SCD impairs opsonization, rendering patients at increased risk for infection with non-encapsulated organisms not covered by routine immunizations [21-23]. Therefore, despite targeted immunizations, adults with SCD remain at increased risk of invasive infection, the complications of which are often severe [24-26].

Emergency providers must therefore, remain watchful when evaluating a patient with SCD and fever. Ideally a history of fever should garner the same level of concern, as most SCD patients take analgesics with antipyretic properties for pain management. Unfortunately, consensus guidelines are lacking, let alone rigorous research addressing this subject. Laboratory investigations should be evaluated in light of baseline values. Many SCD patients utilize hydroxyurea, which causes a relative leucopenia. This must be accounted for during acute presentations to avoid overlooking acute changes that appear “normal.” Both of these nuances are highlighted in the above case.

Acute multi-organ failure syndrome is a severe and often life-threatening sequela of SCD, characterized by vaso-occlusive crisis (VOC) complicated by failure of two additional organ systems, including the lungs, liver or kidney [27-29]. The majority of patients who develop acute MOF often have co-morbid processes such as an infection or acute chest [27]. There are no systematic reviews or randomized controlled trials evaluating management and outcomes, but a retrospective chart review from 1993 and scattered case reports describe this devastating process [13,27-29]. It typically presents with fever, anemia, thrombocytopenia and encephalopathy, all of which were present in the above case. The available data suggests that when acute MOF is present, prompt and aggressive transfusion therapy is associated with increased survival [27]. The NIH recommends immediate transfusion therapy, be that simple or exchange, in consultation with a hematologist, as based on expert opinion [9].

Streptococcus pyogenes, or Group A Strep (GAS), is most often associated with streptococcal pharyngitis and soft tissue infections. However, it is also implicated in more serious disease such as post-streptococcal glomerulonephritis, acute renal failure, bacteremia without a focus, osteomyelitis, scarlet fever, rheumatic heart disease, necrotizing fasciitis, peripartum sepsis and streptococcal toxic shock syndrome (STSS) [30,31]. Although postulated that penicillin prophylaxis would predispose to increased rates of invasive GAS disease amongst SCD patients, this has not been borne out. There are only a few case reports of invasive GAS disease in SCD patients in the literature [9,32-34]. However, invasive GAS infection is a medical emergency. All forms of invasive GAS may lead to STSS, which has an approximate 25% mortality within 24 hours [30,31].


Risk of infection is elevated in patients with sickle cell disease and infection carries high morbidity and mortality. Vigilance and a high level of suspicion are therefore essential for appropriate management in the ED. We strongly recommend empiric antibiotics for all febrile adults with sickle cell disease, in addition to standard management practices.


We would like to thank the Levine Cancer Institute and the Carolinas Medical Center Department of Emergency Medicine.


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