1.Community-acquired bacteremia in Paediatrics:Epidemiology, aetiology and patterns of antimicrobial resistance in a tertiary care centre, Malaysia
Nor Azizah Abu ; Fadzilah Mohd Nor ; Mariam Mohamad ; Anis Siham Zainal Abidin ; Ariza Adnan ; Noor Shafina Mohd Nor ; A Anita Kaur
The Medical Journal of Malaysia 2016;71(3):117-121
Introduction: bacteremia continues to be one of the major
causes of morbidity and mortality despite the existence of
numerous antimicrobial agents. this study aimed to provide
a Malaysian perspective on paediatric community-acquired
bacteraemia based on the documentation of epidemiology
and antimicrobial profile of the isolated pathogens.
Method: A retrospective study was conducted by analysing
clinical details, blood cultures and antimicrobial
susceptibility testing results in children between the ages of
0 to 13 years old, who were admitted to selayang Hospital
over an 11-year period from 2001 until 2011. there were 222
bacteraemia cases and the median age was 11.7 months.
the highest number (39%) of bacteraemia cases occurred
between ages one month to one year. the three most
commonly isolated aetiological agents were
Staphylococcus aureus (17.1%), nontyphoidal Salmonella
(16.2%), and Streptococcus pneumoniae (12.6%). Almost 8%
of the Staphylococcus aureus isolates were methicillin
resistant, while nontyphoidal Salmonella (Nts) isolates
demonstrated 18.4%, 10.5% and 2.6% resistance towards
ampicillin, trimethoprim-sulfamethoxazole and ciprofloxacin
respectively. All Nts isolates were sensitive to ceftriaxone.
Streptococcus pneumoniae isolates showed 17.9%
resistance to penicillin. skin and soft tissue infections as
well as lower respiratory tract infections (63.2%) were the
main foci of infections in Staphylococcus aureus
bacteraemia. Acute gastroenteritis (80.0%) and pneumonia
(60.8%) were the main presentations of Nts and
Streptococcus pneumoniae bacteraemia respectively.
Overall mortality rate was 8.1%.
Conclusion: Knowledge on the local epidemiology and
antibiotic resistance pattern serves as a significant platform
in improving the empiric antibiotic therapy for patients with
community acquired bacteraemia.
Anti-Infective Agents
;
Bacteremia
2.Incomplete Kawasaki Disease in a 44-day-old baby
Nor Azizah ABU ; Siew Peng THONG ; Hung Liang CHOO
The Medical Journal of Malaysia 2018;73(4):257-259
Kawasaki disease (KD) is an acute systemic vasculitisusually affecting children <5 years old. We report a 44-dayold baby who had persistent fever despite being onantibiotics for presumed sepsis. Erythema of BacillusCalmette-Guerin (BCG) scar and thrombocytosis were notedon day-2 of illness. Diagnosis of incomplete KD was madeon the 10th day of illness. Her fever resolved withintravenous immunoglobulin, but echocardiogram revealedcoronary artery aneurysm. High index of suspicion isrequired to diagnose KD in infants ≤3 months since it is rare and commonly presents with incomplete clinical features.The presence of unexplained fever for ≥5 days witherythema of BCG scar or thrombocytosis in infants shouldalert the clinicians of KD.
3.Bacterial pathogens and antibiotic resistance patterns in children with urinary tract infection in a Malaysian tertiary hospital
Noor Shafina Mohd Nor ; Nor Azizah Abu ; Mohammad Abdur Rashid ; Faisal Mohd Fadzli ; Mohamad Ikhsan Selamat ; Hafizah Zainuddin ; Anis Siham Zainal Abidin ; Wan Jazilah Wan Ismail ; Raja Khuzaiah Raja Abdul Razak
The Medical Journal of Malaysia 2015;70(3):153-157
SUMMARY
Introduction: Urinary tract infection (UTI) is a common
bacterial infection affecting children and therefore, prompt
recognition and accurate antimicrobial management are
vital to prevent kidney damage. This study aims to
determine the bacterial pathogens and their patterns of
antimicrobial resistance in children presenting with UTI.
Methods: A retrospective study of 721 cases, involving
children between the ages of 1-day old to 13 years old with
culture-proven UTI in Selayang Hospital, Malaysia between
January 2007 and December 2011. The bacterial pathogens
and antibiotic resistance patterns in the total population,
prophylaxis and no prophylaxis groups were studied.
Results: The 3 most common organisms isolated in the total
population were E.Coli (41.6%), Klebsiella spp. (21.2%) and
Enterococcus spp. (11.0%). With regards to the antibiotic
resistance, E.Coli resistance rates to ampicillin, cefuroxime
and gentamicin were 67.7%, 15.3% and 7.3% respectively.
Ampicillin-resistance was also highest in Klebsiella spp.
(84.3%), Enterococcus spp. (15.5%) and Proteus spp.
(55.5%).
Conclusion: E.coli remains to be the leading bacterial
pathogen causing UTI in children, with ampicillin-resistance
occurring in more than half of these cases. Therefore,
accurate choice of antibiotics is important to ensure optimal
outcome. In our study, cefuroxime and gentamicin have
lower antibiotic resistance rates and can be used in the
treatment of UTI in children.
Urinary Tract Infections
4.Colonization of Acinetobacter baumannii, Streptococcus agalactiae (GBS) and Candida albicans in preterm premature rupture of membrane (PPROM) compared to normal labor at term
Zaini Mohd-Zain ; Ofelia Yahcob ; Mini Sood ; Nor Azizah Abu ; Mohd Roslan Abdul Halim ; Noor Shafina Mohd Nor
Malaysian Journal of Microbiology 2019;15(7):560-565
Aims:
Preterm premature rupture of membrane (PPROM) is usually associated with maternal vaginal colonization of Group B Streptococci (GBS). However, there are reports on isolation of Acinetobacter baumannii in PPROM cases. In order to ascertain A. baumannii’s role in PPROM, we determine the colonization of A. baumannii and other common vaginal tract flora, i.e. GBS and Candida albicans, in women with PPROM, and compared them to those with normal labor at term (NLT). The transmissibility of the organisms to their babies was also investigated.
Methodology and results:
A total of 218 high vaginal swabs from 108 and 100 women with PPROM and NLT respectively were collected. The transmission of these organisms to their 215 babies was determined by swabbing the ears and axillae. These were cultured for isolation of A. baumannii, GBS and C. albicans. Results showed that mothers with PPROM were predominantly colonized with GBS (32.4%), followed by C. albicans (19.4%) and A. baumannii (7.4%), compared to 10.9%, 17.3% and 7.2% respectively, in women with NLT. Between 34 to 50% of the babies of mothers with PPROM acquired the organisms, with GBS being the most significantly (p=0.000) transferred compared to other organisms. Co-existence of A. baumannii with either GBS or C. albicans, or both, did not enhance the occurrence of PPROM.
Conclusion, significance and impact of study
Colonization of A. baumannii in vaginal tract of pregnant women does not increase the possibility of PPROM, as compared to GBS.
5.Maternal and neonatal effects of Acinetobacter colonisation in preterm premature rupture of membrane and term labour
Mini Sood ; Zaini Mohd-Zain ; Nor Azizah Abu ; Chee Seok Chiong ; Noor Shafina Mohd Nor
The Medical Journal of Malaysia 2019;74(1):40-44
Some anecdotal reports suggest that maternal
colonisation with Acinetobacter baumannii during
pregnancy is associated with adverse maternal and neonatal
effects, including preterm premature rupture of membrane
(PPROM). The objective of this study was to compare the
maternal and neonatal effects of A. baumannii colonisation
in cases with PPROM and those with spontaneous onset of
labour at term.