medical grandrounds: yeast, i’m vulnerable!
DESCRIPTION
Maria Regina V. Pelobello, M.D. September 3, 2009. MEDICAL GRANDROUNDS: Yeast, I’m Vulnerable!. Objectives. To present a case of an unusual infection in a a 26-year-old male To discuss the disease course, management and prognosis. General Data. R.P., 26M Single call center agent - PowerPoint PPT PresentationTRANSCRIPT
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Maria Regina V. Pelobello, M.D.September 3, 2009
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To present a case of an unusual infection in a a 26-year-old male
To discuss the disease course, management and prognosis
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R.P., 26M Single call center agent residing in Makati
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headache
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3 ½ weeks PTA HeadacheGr 1-2/10 10/10, generalized, throbbingParacetamolOut-px consult: given pain
medications
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2 ½ wks PTA Dizziness, vomiting Headache MMC: admitted for 4 days
EEG : abnormal MRI / MRA of the brain and
intracranial vessels : normal Imp: Mixed Type Headache
(Migraine with Tension Headache)
etoricoxib, betahistine, flunarizine, eperisone, diazepam
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6 days PTA Headache bitemporal, frontal throbbing Gr 5/10 10/10 30 minutes to an hour Occasionally awakened from
sleep Associated with vomiting
Drowsiness Dizziness, rotatory
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2 days PTA
Day of adm
Undocumented fever
blurring of vision increased drowsiness several episodes of
disorientation No loss of consciousness,
tremors, tonic-clonic movements, slurring of speech
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No weight loss, anorexia, weakness No skin rashes No tinnitus No gum bleeding No cough, colds No dysuria No diarrhea
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No hypertension, diabetes or asthma No history of treatment for PTB No seizure disorder s/p knee surgery No previous blood transfusion No previous steroid therapy No known allergies
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(-) Hypertension
(+) Diabetes Mellitus (-) Bronchial Asthma (-) Pulmonary Tuberculosis (-) Seizure disorder
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Functions independently 10 sticks per day for the past 3 years occasional alcoholic beverage drinker denies use of illicit drugs No history of recent travel Multiple sexual partners, same gender
preference
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lethargic, not in cardio-respiratory distress BP 110/80, HR 82, regular, RR 20, T 36 C Height 61cm, weight 59 kg Warm moist skin, no active dermatoses Pink palpebral conjunctivae, anicteric sclerae Moist buccal mucosa, no oral thrush Initially with supple neck, no palpable cervical
lymphadenopathies
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Symmetrical chest expansion, no retractions, clear breath sounds
Adynamic precordium, AB 5th LICS, MCL , (-) murmurs
Flabby Abdomen, normoactive bowel sounds, soft, non-tender, no hepatosplenomegaly
Extremities no edema, no cyanosis, pulses full and equal
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drowsy, oriented 3 spheres, follows commands, no right-left confusion, no finger agnosia, no
apraxiaCranial nerves intact
Pupils 3mm ERTL, full EOMs, no nystagmusV1 – V3 intactNo facial asymmetry, tongue and uvula midline
No sensory deficitsMMT 5/5 on all extremitiesNo dysmetria, dysdiadokinesia. Steady gait.
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Nuchal rigidity, (+) brudzinskiunsteady gait (falls to either side)
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26M CC: headache Vomiting Dizziness blurring of vision Undocumented fever Nuchal rigidity
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Increased intracranial pressure Consider Meningitis
Bacterial vs Viral vs Fungal
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Assessment consider increased intracranial pressure consider meningitis
Diagnostics CBC, stat 5, urinalysis CT scan (plain and contrast): normal Lumbar puncture
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Therapeutics Mannitol 20 % 100ml q4hrs Dexamethasone 5mg IV q8hrs Citicoline 1g IV q8hrs Ceftriaxone 2g IV q12hrs
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Na 134 K 3.0 RBS 182 Hgb 11.2 Hct 33
Urinalysis: +2 blood, 1/1/1/23
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11stst HD HD
Opening Pressure 290290
Closing Pressure 210210
Cell countDifferential count
1.5 ml non xanthochromic1.5 ml non xanthochromic2 RBC / mcL, 7 WBC/mcL2 RBC / mcL, 7 WBC/mcL
4 seg seen, 3 lym seen4 seg seen, 3 lym seen
Protein 76.876.8
Glucose 4444
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normal patient bacterial fungal ViralOP 50 – 200 290 high
PMN 0PMN 0lym < 5lym < 5
7 WBC7 WBC4 seg4 seg3 lym 3 lym
High WBC
Low wbc No WBCDifferential Protein
15 – 45 15 – 45 76.876.8 High High or normal
Low
Glucose40 – 7540 – 75 4444 Low Low or
normalHigh
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Infectious disease referral Continue ceftriaxone 2g IV q12hrs
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11stst HD HD
Gram YeastYeastKOH ++AFB --
India Ink ++Cryptococcal Antigen Latex
Agglutination Study ++
• Ceftriaxone was discontinued • Fluconazole 400 IV q24hrs
amphotericin B 50mg q24hrs (0.85 mg/kg/day)
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Culture light growth of Cryptococus spp
TB culture no growth after 6 weeks incubation
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Assessment Rule out HIV
Diagnostics CD 4 = 28 per microliter
Therapeutics (5th HD) cotrimoxazole 800/160 mg/tab OD azithromycin 500mg/tab, 2 tabs once a
week
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6th Hospital Day Amphotericin B discontinued Fluconazole 400mg IV every 24hours cotrimoxazole 800/160 mg/tab 3x a week continue antifungal treatment for 2 weeks
before starting anti-retroviral therapy 20th Hospital Day
lamivudine + zidovudine 1 tab 2x a day efavirenz 600mg daily
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paradoxical worsening of preexisting, untreated, or partially treated opportunistic infections after initiation of ARV
CD4+ T cell counts <50 cells/L who have a precipitous drop in HIV RNA levels following the initiation of HAART
localized lymphadenitis, prolonged fever, pulmonary infiltrates, increased intracranial pressure, uveitis
reflects the immediate improvements in immune function
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7th HD Upward rolling of eyeballs, fully awake Impression: increased intracranial pressure Diagnostics
Advised repeat CT scan and LP Therapeutics
Valproic acid 250mg TIDMannitol
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11th HD Recurrent seizure episodes Patient appears very drowsy and confused Impression
Increased intracranial pressure Diagnostic and Therapeutic
Stat Lumbar tap
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13th HD Recurrence of
seizures India ink still
positive Amphotericin
resumed
1st HD 11th HD
OP 290 380
CP 210 180
CHON 76.8 31.3
Glu 44 43
India + +
CALAS + +
VDRL -
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1 11 16 17 18 20Opening
Pressure 290 380 400 550 550 390
Closing Pressure 210 180 420 460 350
Protein 76.8 31.3 36.7Glucose 44 43 52
Gram-Stain YeastKOH +AFB -
India Ink + + + +CALAS + + + +VDRL -
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21 23 25 27 28 31Opening
Pressure 380 340 280 550 520
Closing Pressure 320 310 240 110 80
India +CALAS + +
Quanti 1:32 1:1024 1:1024
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16th HD Serum creatinine (1.6)
amphotericin B was discontinued fluconazole 200mg IV every 24 hours
26th HD Referral to Nephrology for fluid and
electrolyte management
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1 2 4 7 10 13
Na 131 133
K 2.9 4.7 4.0 4.1 3.1 2.9
BUN 19.9
Crea 1.2 1.0 0.9 0.9 0.8 1.0
Mg
CO2
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16 18 21 26 28 29 31 32 33
Na 136 139 142 144 142
K 3.6 2.8 2.6 2.8 3.4 3.9 7.0
BUN 7.99
Crea 1.6 1.4 0.9 0.8 0.6 0.7 0.6 0.6 2.1
Mg 2.3 1.5 1.6 1.8 1.9
CO2 20
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32rd HD Patient went into CP arrest, but was revived
33rd HD Patient expired
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1st HD 21st HD 28th HD
Hgb 12.8 10.8 11.1
Hct 36.9 33.4 33.3
WBC 5.96 2.7 7.33
Seg 82 61 84
Lym 10 21 8
Plt 120 150 330
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family of Retroviridae subfamily lentiviridae
four recognized human retroviruses human T lymphotropic
viruses (HTLV)-I and HTLV-II human immunodeficiency
viruses, HIV-1 and HIV-2 most common cause of
HIV disease throughout the world: HIV-1
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Phil J Microbiol Infect Dis. 2003; 32(1): 11-21.
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enters directly into the bloodstream via infected blood or blood products transfusions use of contaminated needles sharp-object injuries maternal-to-fetal
transmission sexual intercourse
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CD4 count generally accepted as the best indicator of
the immediate state of immunologic competence of the patient with HIV infection
correlates very well with the level of immunologic competence
Measurements should be performed at the time of diagnosis and every 3–6 months thereafter
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<350/L : consider initiating ARV therapy >25% decline : consider change in therapy <200/L : P. jiroveci prophylaxis <50/L : prophylaxis for MAC infection
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Cryptococcus neoformans Etiologic agent Yeast-like fungus
rare in the absence of impaired immunity Individuals at high risk for cryptococcosis
hematologic malignancies recipients of solid organ transplants who require
ongoing immunosuppressive therapy medical conditions necessitate glucocorticoid
therapy advanced HIV infection and CD4+ T lymphocyte
counts of <200/L
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leading infectious cause of meningitis in patients with AIDS
initial AIDS-defining illness in ~2% of patients CD4+ T cell counts <100/L subacute meningoencephalitis: fever, nausea,
vomiting, altered mental status, headache, and meningeal signs
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acquired by inhalation of aerosolized infectious particles
May be acquired in childhood, but it is not known whether the initial infection is symptomatic
state of latency in which viable organisms are harbored for prolonged periods, possibly in granulomas
Thus the inhalation of C. neoformans can be followed by clearance of the organism or establishment of the latent state
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chronic meningitis (headache, fever, lethargy, sensorium deficits, memory deficits, cranial nerve paresis, vision deficits, and meningismus)
classic characteristics of meningeal irritation may be absent in cryptococcal meningitis
subacute dementia sudden catastrophic vision loss
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demonstration of C. neoformans in normally sterile tissues
India ink - distinctive appearance because their capsules exclude ink particles
Cultures of CSF and blood that are positive for C. neoformans are diagnostic for cryptococcosis
In cryptococcal meningitis, CSF examination usually reveals evidence of chronic meningitis with mononuclear cell pleocytosis and increased protein levels
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Cryptococcosis in patients with HIV infection always requires aggressive therapy and is considered incurable unless immune function improves.
Two phases of therapy for cryptococcosis in the setting of AIDS: induction therapy
intended to reduce the fungal burden and alleviate symptoms
lifelong maintenance therapy to prevent a symptomatic clinical relapse
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Cryptococcal meningoencephalitis is often associated with increased intracranial pressure
management of intracranial pressure reduction of pressure by repeated
therapeutic lumbar puncture placement of shunts.
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Even with antifungal therapy, cryptococcosis is associated with high rates of morbidity and death
most important prognostic factor : extent and the duration of the underlying immunologic deficits
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poor prognostic markers positive CSF assay for yeast cells by initial India ink
examination (evidence of a heavy fungal burden) high CSF pressure low CSF glucose levels low CSF pleocytosis (<2/L) recovery of yeast cells from extraneural sites the absence of antibody to C. neoformans a CSF or serum cryptococcal antigen level of 1:32 concomitant glucocorticoid therapy or hematologic malignancy
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Opening pressure 50–200 mm H2O CSF
Color Colorless
Turbidity Crystal clear
Mononuclear cells <5 per mm3
PMNs 0
Total protein 22–38 mg/dl
Range 9–58 mg/dl (mean ± 2.0 SD)
Glucose 60–80% of blood glucose
Normal Values for Adults (Lumbar CSF)
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