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Case Management 22 nd Dec 2009 PowerPoint PPT Presentation

Case Management 22 nd Dec 2009 By Mudita Mittal MBBS & Kismet Baldwin MD November Cases NG 9 yo with Type 1 DM presented with asymmetric LE weakness, dx with non-polio enter-viral poliomyelitis MWH for rehab

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Case Management 22 nd Dec 2009

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Case management 22 nd dec 2009 l.jpg

Case Management 22nd Dec 2009

By

Mudita Mittal MBBS

&

Kismet Baldwin MD


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November Cases

  • NG 9 yo with Type 1 DM presented with asymmetric LE weakness, dx with non-polio enter-viral poliomyelitis MWH for rehab

  • UM 15 yo with Down’s Synd s/p MV replacement, on Warfarin, in CHF, came in with altered mental status, GI bleed, INR 4.8, found to be in MOF, declared DNR , expired a day later


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HPI

  • MC, a 12 year old with a complex medical history -Noonan’s Syndrome with short – gut syndrome, was admitted on 10/17/2009 with complaint of fever, increased fatigue and decreased appetite.

  • Fever was documented as high as 105.6

  • Central line was repaired 2 days prior to onset of fever.

  • Positive sick contact : sister- H1N1 flu x 1 week


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Past History

  • PAST SURGICAL HISTORY:

    VSD and coarctation of Aorta repair at 1 week of age,

    S/P orchidopexy, surgery on both LL for limb lengthening & midgut volvulus repair

  • Multiple hospitalizations for central line infection

  • IMMUNIZATIONS: UTD

  • DRUG ALLERGIES: Amphotericin B and Chloral hydrate

  • MEDICATIONS: home TPN ,Oseltamivir x1day

  • DEVELOPMENT: delayed, nonverbal

  • SOCIAL HISTORY: lives with parents, brother, sister, dog, no smokers


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PHYSICAL EXAMINATION:

  • General appearance:

    In no acute distress Weight -29.2 kg. T-max 38.5 orally(ER), BP-109/49, pulse 94, RR 20, Sat 99% on room air.

  • HEENT: Oropharynx -small herpetic blisters on the left upper lip and tongue.

Chest: clear to auscultation

CVS- RRR, Crescendo-decrescendo murmur

Abdominal exam: Bowel sounds present, nontender.


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Laboratory values


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Laboratory values


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Hospital Course

  • The patient remained afebrile.

  • Flu screen : negative.

  • Continued on Cefepime and Vancomycin intravenously , Oseltamivir 60 mg p.o. daily

  • Continued on TPN & was able to tolerate p.o as well.

  • Blood culture ( PERIPHERAL AND CENTRAL ) no growth on day 2 AND afebrile for >24 hrs, he was discharged home.

  • Home medications included Oseltamivir for 3 more days.


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Readmission on 10/20/09

Soon after being discharged, the pediatric GI service was notified that the patient had a positive central line culture (on 10/17/2009) which showed gram-positive cocci in pairs and chains.

He was readmitted for repeat central line culture and for the initiation of vancomycin.

On admission, the patient appeared well. He had no foci of infection , remained afebrile and had stable vital signs.


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Readmission on 10/19/09

Patient discharged home on 10/20/09 with home nursing for continuation of vancomycin.

Final blood culture report ( from previous central line culture on 10/17/09)- Streptococcus viridans isolated, sensitive to Penicillin.

Final blood culture report from central line culture on readmission :no growth.


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OBJECTIVES

To discuss

The Incidence of central line infections

The pathogens causing Central line Infection

The treatment of Central line Infections

The concept of Central Line Bundle.

Trends in the last decade for Central line infections


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Incidence

  • Each year, an estimated 250,000 cases of Central Line Associated Blood Stream Infections (CLABSI)occur in hospitals in the United States,

  • An attributable mortality of 12%--25% for each infection

  • The cost to the health-care system is $25,000 per episode

  • Nosocomial BSI prolong hospitalization by 7 days

    www.CDC.gov

    Pittet D, Tarara D, Wenzel RP. JAMA. May 25 1994;271(20):1598-1601.

    Soufir L et al. Infect Control Hosp Epidemiol 1999 Jun;20(6):396-401


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Laboratory-confirmed bloodstream infection (LCBI)

Criterion 1:

Recognized pathogen cultured from one or more blood cultures &

Organism cultured from blood is not related to an infection at another site

www.cdc.gov


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Laboratory-confirmed bloodstream infection (LCBI)

Patient has at least one of the following signs or symptoms: fever (>38 C), chills, or hypotension AND

signs and symptoms and positive laboratory results are not related to an infection at another site

AND

common skin contaminant (i.e., Diphtheroids [Corynebacterium sp.], Bacillus [not B. anthracis] sp., Propionibacterium sp., coagulase-negative Staphylococci [including S. epidermidis], viridans group Streptococci, Aerococcus spp., Micrococcus spp.) is cultured from two or more blood cultures drawn on separate occasions


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Laboratory-confirmed bloodstream infection (LCBI)

Criterion 3

Patient < 1 year of age has at least one of the following signs or symptoms: fever (>38 C core) hypothermia (<36 C core), apnea, or bradycardia

and

signs and symptoms and positive laboratory results are not related to an infection at another site

and

Common skin contaminant is cultured from two or moreblood cultures drawn on separate occasions.


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Nosocomial Bloodstream Infections in Pediatric Patients in United States Hospitals: Epidemiology, Clinical Features, and Susceptibilities

Wisplinghoff H, et al: Pediatr Infect Dis J. 2003;22:686–691.


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Special situations

Pseudomonas aeruginosa -burn patients.

S. aureus in- HIV-infected patients .

Gram-negative pathogens -hematologic and non-hematologic malignancies.

Hydrophilic gram-negative pathogens such as Pseudomonas spp, Acinetobacter spp, and Serratia marcescens - needleless access device.


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Management of the Catheter in Documented Catheter -Related CoNS bacteremia: Remove or Retain?

  • Methods:During the period from July 2005 through December 2007, retrospectively evaluated 188 patients with coagulase-negative staphylococcal bacteremia.

    Catheter-related bacteremia was confirmed by differential quantitative blood cultures (>or=3:1) or time to positivity (>2 h).

    RESULTS: Resolution of infection within 48 h after commencement of antimicrobial therapy was not influenced by CVC removal or exchange vs retention and occurred in 175 patients (93%).

Raad I, Kassar R, Ghannam D, Chaftari AM, Hachem R, Jiang Y.Clin Infect Dis. 2009 Oct 15;49(8):1187-94


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Coagulase-negative Staphylococcal Bacteremia

Duration of therapy did not affect recurrence.

Multiple logistic regression analysis - patients with catheter retention were 6.6 times (95% CI, 1.8-23.9 times) more likely to have a recurrence than were those whose catheter was removed or exchanged (P = .004).

CONCLUSIONS:CVC retention does not have an impact on the resolution of coagulase-negative staphylococcal bacteremia but is a significant risk factor of recurrence.

Clin Infect Dis. 2009 Oct 15;49(8):1187-94.


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The Central Line Bundle

Hand hygiene

Maximal barrier precautions

Chlorhexidine skin antisepsis

Optimal catheter site selection, with subclavian vein as the preferred site for non-tunneled catheters in adults

Daily review of line necessity with prompt removal of unnecessary lines


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Treatment


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Treatment


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Duration of therapy

Treatment for CLABSI depends on

Complicationsrelated to bacteremia( endocarditis)

Line salvage needed.

Organism type.

For uncomplicated CLASBI with negative blood cultures following catheter removal the duration of therapy is usually 10 to 14 days .

Persistent bacteremia >72 hours following catheter removal - treatment for at least 4 to 6 weeks.


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Suspected Catheter-Related Candidemia

Empiric therapy for suspected catheter-related Candidemia should be administered for septic patients with the following risk factors

  • Total parenteral nutrition

  • Prolonged use of broad-spectrum antibiotics

  • Hematologic malignancy

  • Bone marrow or solid organ transplant

  • Femoral catheterization Colonization due to Candida species at multiple sites

  • NICU babies on prolonged broad-spectrum abx

  • Multi-system trauma patients on broad–spectrumabx


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Removal of catheter

Severe sepsis

Hemodynamic instability

Endocarditis or evidence of metastatic infection

Erythema or exudate due to suppurative thrombophlebitis

Persistent bacteremia after 72 hours of antimicrobial therapy to which the organism is susceptible

Candidial CLASBI


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Trends in Central line assosciated blood stream infection


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References

Mermel, LA, Allon, M, Bouza, E, et al. Clinical practice guidelines for the diagnosis and management of intravascular catheter-related infection: 2009 Update by the Infectious Diseases Society of America. Clin Infect Dis 2009; 49:1.

Mermel, LA. Prevention of intravascular catheter-related infections. Ann Intern Med 2000; 132:391

Institute for Healthcare Improvement:Getting Started Kit: Prevent Central Line Infections. 2005

Soufir, L., Timsit, J., Mahe, C., et al.: “Attributable Morbidity and Mortality of Catheter-Related Septicemia in Critically Ill Patients: A Matched, Risk-Adjusted, Cohort Study , ”Infection Control and Hospital Epidemiology. 20(6):396–401, 1999.

Management of the catheter in documented catheter-related coagulase-negative staphylococcal bacteremia: remove or retain?Raad I, Kassar R, Ghannam D, Chaftari AM, Hachem R, Jiang Y.Clin Infect Dis. 2009 Oct 15;49(8):1187-94.

Reduction of catheter related bloodstream infections in intensive care: one for all, all for one?Helder OK, Latour JM.Nurs Crit Care. 2009 May-Jun;14(3):107-8. Review

Reduction of catheter related bloodstream infections in intensive care: one for all, all for one?Helder OK, Latour JM.Nurs Crit Care. 2009 May-Jun;14(3):107-8. Review

Management of bacteremia in patients undergoing hematopoietic stem cell transplantation.Castagnola E, Faraci M.


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References

Expert Rev Anti Infect Ther. 2009 Jun;7(5):607-21. Review

Seifert, H. Catheter-related infections due to gram-negative bacilli. In: Seifert H, Jansen B, Farr BM, eds. Catheter-Related Infections. New York, NY: Marcel Drekker 1997. p. 111.

Lorente, L, Jimenez, A, Santana, M, et al. Microorganisms responsible for intravascular catheter-related bloodstream infection according to the catheter site. Crit Care Med 2007; 35:2424.

Management of bacteremia in patients undergoing hematopoietic stem cell transplantation.Castagnola E, Faraci M.

Seifert, H, Strate, A, Pulverer, G. Nosocomial bacteremia due to Acinetobacter baumannii. Clinical features, epidemiology, and predictors of mortality. Medicine (Baltimore) 1995; 74:340

Friedman, ND, Korman, TM, Fairley, CK, et al. Bacteraemia due to Stenotrophomonas maltophilia: an analysis of 45 episodes. J Infect 2002; 45:47.

Safdar, N, Handelsman, J, Maki, DG. Does combination antimicrobial therapy reduce mortality in Gram-negative bacteraemia? A meta-analysis. Lancet Infect Dis 2004; 4:519.

O'Grady, NP, Alexander, M, Dellinger, EP, et al. Guidelines for the prevention of intravascular catheter-related infections. Centers for Disease Control and Prevention. MMWR Morb Mortal Wkly Rep 2002; 51(RR-10):1. Accessed at: http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5110a1.htm.


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HPI

  • BK, a 35 week 3/7day girl born to a 20yo G1P0 mom and 21yo father

  • GBS unknown, HIV unknown, otherwise prenatal labs wnl

  • Pregnancy complications:

    • Polyhydramnios s/p amnioreduction

    • Poor biophysical profile  6/10

    • Clenched hands and abnl cerebellum on routine US

    • Fetal MRI: Dandy-Walker malformation, posterior fossa cysts, absent inf. vermis, communicating b/lcisterna magna and 4th ventricles


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HPI

Delivered via C-section

Apgars 2,6,6

Limp, apneic dry stimulation, PPV, intubated, admitted to NICU


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Physical Exam

Wt: 2320g (26-50%)

HC: 31.5cm (26-50%) Length: 42.5cm (<10%)

Gen: intubated, little spontaneous movement

HEENT: wnl

Resp: no spontaneous respirations, on SIMV

CV: RRR, S1 S2, no murmurs

Abd: soft, flat, no HSM, scattered bowel sounds

GU: nl female genitalia

Ext: 2+ femoral pulses, mild contractures of hips, knees, elbows, toes, L club foot, clenched hands

Neuro: little spontaneous movement, occasional jerky movements or tremors

Skin: no rashes


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Initial Labs

ABG: 7.24/68/27/0/+29

CBC: 15.1 5 bands, 37 N, 43 L,

13.8 301 10 M,

43.5

Glucose: 112

Urine DRABs: negative

CXR: clear lungs, hypoinflated, ETT in good position


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NICU Course

Resp: Remained on SIMV throughout admission, trialed off of vent DOL #3 and DOL #5

CV: Stable throughout

ID: Stable, admission B/C and Isolation/C negative

Heme: Stable

Fen/GI: NPO  day 1 TPN  reg TPN. no stools, no spontaneous urination noted since DOL #2


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NICU Course

  • Neuro:

    • Jerky movements, clonus, ?eye deviations

    • EEG: burst suppression patterns

    • MRI: small brain stem and cerebellar vermis, no definite cerebellar fossa, dilated 4th ventricle, marked decreased. sulci

    • Peds Neurology and Genetics consulted

      • CPK, microarray, skin biopsy, muscle biopsy plasma amino acids , urine organic acids sent

      • CPK 348, lactate 2.2


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Imaging


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NICU Course

Ophthalmology consulted: abnl appearing fundus & optic nerve that was avascular and bland appearing, no evidence of glaucoma or micro-ophthalmos

Family meetings were held on DOL #3 and 5

Life support was discontinued on DOL #6 and the patient died ~12min after ETT was removed surrounded by family


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Objectives

Review congenital muscular dystrophy

Discuss Walker-Warburg syndrome and it’s differential diagnosis

Discuss factors affecting parental decision making in end of life situations


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Congenital Muscular Dystrophy

Heterogeneous group of inherited muscle disorders

Majority: muscle only, some eye and nervous system also

Among the most common of autosomal recessive neuromuscular disorders

Frequencies of different forms unknown

Accurate clinical phenotype and comprehensive protein and genetic analysis necessary for diagnosis of specific form


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  • Currently 12 genetically defined forms of CMD

  • Three major groups based on class of proteins affected

    • Collagen IV

    • α-dystroglycan

    • Merosin (laminin α2)


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Walker-Warburg Syndrome

Detailed descriptions pioneered by Mette Warburg and A.Earl Walker

Originally HARD+E

Incidence not known

Present at least in Europe, Western Hemisphere, Japan

Autosomal recessive inheritance


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  • Differential diagnosis:

    • Muscle-eye-brain disease

    • Fukuyama congenital muscular dystrophy

    • CMD without brain and eye abnormalities

  • Several genes implicated

    • Protein O-mannosyltransferase 1 and 2 (POMT1 and 2)

    • Fukutin related protein (FKRP) genes

    • Only 10-20% of cases with these gene mutations


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Walker-Warburg Syndrome

  • Major criteria:

    • CMD with hypoglycosylation of alpha-dystroglycan

    • High creatinine kinase

    • Anterior or posterior eye anomalies

    • Migrational brain defect w/type II lissencephaly and hydrocephalus

    • Abnormal brainstem/cerebellum


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  • Major criteria:

    • CMD with hypoglycosylation of alpha-dystroglycan

    • High creatinine kinase

    • Anterior or posterior eye anomalies

    • Migrational brain defect w/type II lissencephaly and hydrocephalus

    • Abnormal brainstem/cerebellum


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Walker-Warburg Syndrome

  • Workup:

    • Creatinine kinase

    • muscle biopsy

    • Ophthalmology exam

  • Prognosis:

    • Most children die before 3yr old, usually in first month of life

  • Treatment:

    • No specific treatment

    • Supportive and preventative care


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End of life decision making

  • What parents want:

    • Clear, accurate, timely exchange of information

  • Factors affecting parents’ decisions:

    • Meaning parents attribute to providers’ comments

    • Acceptance of critical nature of situation

    • Parents’ perception of provider humility

    • Providers’ level of caring


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  • Need for information

  • Parents’ understanding and comprehension of situation

  • Presentation

  • Trust of providers and information given

  • Parents’ involvement in decisions

  • Experiences may reflect education, ethnicity, religion, health insurance, or combination


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    • No studies examining racial differences in end of life decision making in critically ill infants

    • African American adults more likely than white adults to desire continuation of Life-Sustaining Medical Treatment (LSMT)

    • Moseley et al:

      • Pilot study

      • Examined frequency of withdrawal of life sustaining medical treatment in AA parents vs. white parents

      • Retrospective chart review


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    • 38 infant charts: 22 AA, 16 White

    • 13/22 AA infants received recommendation to LSMT  8 accepted recommendation (62%)

    • 10/16 white infants received recs to LSMT  8/10 accepted (80%)

    • Not statistically significant but, consistent with adult literature

    • Why?

      • Poor family and provider communication


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    • Lack of provider and patient/family racial concordance

    • Family income ,Family education

    • Mistrust of healthcare providers

    • Religious beliefs

  • Conclusions:

    • Sensitivity to culturally mediated differences essential

    • Knowledge of end of life concerns & preferences of minorities needed

    • Need larger study with sufficient power


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    Follow up

    • Autopsy:

      • b/l microphthalmia

      • Asymmetric crown of head

      • L club foot

      • Hypoplastic nose bridge

      • Distended bladder

      • Dilated renal calyces

      • Bile stained liver

      • Atrophy of skeletal muscle

    • Microarray:

      • No significant DNA copy number changes

      • No increased homozygosity

    • Urine organic acids:

      • Marked excretion of N-acetyltyrosine

    • Serum aa: not suggestive of any inborn error of metabolism

    • Skin biopsy: pending

    • Muscle biopsy: pending


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    References

    Cormand et al. Clinical and genetic distinction between Walker-Warburg syndrome and muscle-eye-brain disease. Neurology 2001;56:1059-1069.

    Peat RA, Smith JM, Compton AG, Baker NL, Pace RA, Burkin DJ, Kaufman SJ, Lamnade SR, North KN. Diagnosis and etiology of congenital muscular dystrophy. Neurology 2008;71:312-321.

    Nishino I, Ozawa E. Muscular dystrophies. Curr Opin Neurol 2002;15:539-544.

    Muntoni F, Sewry CA. Congenital muscular dystrophy. Neurology 1998;51: 14-16.

    Moseley KL, Church A, Hempel B, Yuan H, Goold SD, Freed GL. End-of-Life Choices for African-American and White Infants in a Neonatal Intensive-Care Unit: A Pilot Study. J NMA 2004;7: 933-937.

    Wocial LD. Life Support Decisions Involving Imperiled Infants. J Perinatal & Neonatal Nursing. 2000;14: 73-86.

    Kopelman AE. Understanding, Avoiding, and Resolving End-of-Life Conflicts in the NICU. Mt. Sinai J Med 2006;73:580-586.


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