Displaying publications 41 - 60 of 85 in total

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  1. Lee WS, Rajasekaran G, Pee S, Karunakaran R, Hassan HH, Puthucheary SD
    J Paediatr Child Health, 2006 Sep;42(9):509-14.
    PMID: 16925536
    To study the role of rotavirus in children hospitalised for acute gastroenteritis (AGE) in two urban hospitals in Malaysia.
    Matched MeSH terms: Gastroenteritis/microbiology; Gastroenteritis/epidemiology; Gastroenteritis/virology*
  2. Hasliza AH, Tohid H, Loh KY, Santhi P
    Malays Fam Physician, 2015;10(2):49-51.
    PMID: 27099661 MyJurnal
    Dengue infection is highly endemic in many tropical countries including Malaysia. However, neurological complications arising from dengue infection is not common; Gullain-Barre syndrome (GBS) is one of these infrequent complications. In this paper, we have reported a case in which a 39-year-old woman presented with a neurological complication of dengue infection without typical symptoms and signs of dengue fever. She had a history of acute gastroenteritis (AGE) followed by an upper respiratory tract infection (URTI) weeks prior to her presentation rendering GBS secondary to the post viral URTI and AGE as the most likely diagnosis. Presence of thrombocytopenia was the only clue for dengue in this case.
    Matched MeSH terms: Gastroenteritis
  3. Guarino A, Lo Vecchio A, Dias JA, Berkley JA, Boey C, Bruzzese D, et al.
    J Pediatr Gastroenterol Nutr, 2018 11;67(5):586-593.
    PMID: 29901556 DOI: 10.1097/MPG.0000000000002053
    OBJECTIVE: Despite a substantial consistency in recommendations for the management of children with acute gastroenteritis (AGE), a high variability in clinical practice and a high rate of inappropriate medical interventions persist in both developing and developed countries.The aim of this study was to develop a set of clinical recommendations for the management of nonseverely malnourished children with AGE to be applied worldwide.

    METHODS: The Federation of International Societies of Pediatric Gastroenterology, Hepatology, and Nutrition (FISPGHAN) Working Group (WG) selected care protocols on the management of acute diarrhea in infants and children aged between 1 month and 18 years. The WG used a 3-step approach consisting of: systematic review and comparison of published guidelines, agreement on draft recommendations using Delphi methodology, and external peer-review and validation of recommendations.

    RESULTS: A core of recommendations including definition, diagnosis, nutritional management, and active treatment of AGE was developed with an overall agreement of 91% (range 80%-96%). A total of 28 world experts in pediatric gastroenterology and emergency medicine successively validated the set of 23 recommendations with an agreement of 87% (range 83%-95%). Recommendations on the use of antidiarrheal drugs and antiemetics received the lowest level of agreement and need to be tailored at local level. Oral rehydration and probiotics were the only treatments recommended.

    CONCLUSIONS: Universal recommendations to assist health care practitioners in managing children with AGE may improve practitioners' compliance with guidelines, reduce inappropriate interventions, and significantly impact clinical outcome and health care-associated costs.

    Matched MeSH terms: Gastroenteritis/therapy*
  4. Lee WS, Veerasingam PD, Goh AY, Chua KB
    J Paediatr Child Health, 2003 9 13;39(7):518-22.
    PMID: 12969206
    AIM: To determine the epidemiology of rotavirus gastroenteritis in children admitted to an urban hospital in a developing country from South-East Asia.

    METHODS: Retrospective review of cases of acute gastroenteritis admitted to the children's ward of the University of Malaya Medical Centre, Kuala Lumpur, Malaysia, between 1996 and 1999.

    RESULTS: During the study period, 333 cases (24%) of 1362 stool samples, obtained from children admitted with acute diarrhoea, were positive for rotavirus. Acute gastroenteritis constituted 8.2%, and rotavirus infection 1.6% of all the paediatric admissions each year. Of the 271 cases analysed, 72% of the affected population were less than 2 years of age. Peak incidence of admissions was between January to March, and September to October. Dehydration was common (92%) but electrolyte disturbances, lactose intolerance (5.2%), prolonged diarrhoea (2.6%) and cow's milk protein intolerance was uncommon. No deaths were recorded.

    CONCLUSIONS: Rotavirus infection was a common cause of childhood diarrhoea that required hospital admission in an urban setting in Malaysia.

    Matched MeSH terms: Gastroenteritis/epidemiology
  5. Bidawid S, Malik N, Adegbunrin O, Sattar SA, Farber JM
    J Virol Methods, 2003 Feb;107(2):163-7.
    PMID: 12505630
    Feline calicivirus (FCV) has been used by researchers as a surrogate for Norwalk virus (NV), since they share a similar genomic organization, physicochemical characteristics, and are grouped in the same family, Caliciviridae. Unlike NV, however, FCV can grow in established cell lines and produce a syncytial form of cytopathic effect. In this report, we describe the development and standardization of a plaque assay for FCV using monolayers of an established line of feline kidney (CrFK) cells in 12-well cell culture plates. The assay method has demonstrated reproducibility, ease of performance and resulted in clear plaque zones, readable in 24 h after virus inoculation. The infectivity titre of the virus by this plaque assay agreed well with tissue culture infectious dose(50) (TCID(50)) determinations. The described plaque assay would be a valuable tool in conducting various quantitative investigations using FCV as a model for NV and Norwalk-like viruses (NLV).
    Matched MeSH terms: Gastroenteritis/virology
  6. Vadivelu J, Puthucheary SD, Mitin A, Wan CY, van Melle B, Puthucheary JA
    PMID: 9031414
    Forty clinical isolates of Vibrio parahaemolyticus were studied for the production of the thermostable direct hemolysin (TDH), and the TDH-related hemolysin (TRH) including the respective encoding genes, tdh and trh. The presence of TDH and its encoding genes were found amongst 95% of the strains, whereas the TRH was absent amongst these isolates. Thirty-two isolates were found to be plasmid-free, whereas eight isolates possessed plasmids with sizes ranging from 2.4 > or = 23 kb. Using a DNA probe coding for the homologous region of the tdh and trh, it was found that the tdh genes were present on the chromosomal DNA.
    Matched MeSH terms: Gastroenteritis/microbiology*
  7. Knebel U, Sloot N, Eikenberg M, Borsdorf H, Höffler U, Riemann JF
    Med. Klin. (Munich), 2001 Feb 15;96(2):109-13.
    PMID: 11253281
    BACKGROUND: Plesiomonas shigelloides is a common pathogen in tropical regions, whereas it is rarely isolated in temperate climates. It is most often found in surface water and fish. During the last 10 years it was found to cause gastroenteritis 6 times in Ludwigshafen. Not all of these patients reported a trip to foreign countries.

    CASE REPORT: A 54-year-old male patient was hospitalized after a trip to Malaysia with strong greenish watery diarrhea and chills. On physical examination we saw a dehydrated patient in severely reduced general condition. The stool frequency was 30/d. The laboratory examinations only showed elevated parameters of inflammation. Plesiomonas shigelloides was cultivated in the stool cultures. With appropriate substitution of fluid and electrolytes, and antidiarrheal therapy the patient resumed a normal diet without any complications. Three days later his bowel movements were normal and his general condition was greatly improved. We withheld antibiotic therapy because of the noncomplicated course of illness.

    CONCLUSION: In Germany infections with Plesiomonas shigelloides are rare, an increase is observed because of increasing tourism to tropical regions. The course of infection is sometimes asymptomatic, but usually patients develop an acute gastroenteritis. Especially immunocompromised patients can show serious courses of infection. Plesiomonas shigelloides should be included in the differential diagnosis of acute gastroenteritis after journeys to tropical regions. Some of our patients, however, denied traveling to tropical regions. They also denied consuming seafood, which indicates a risk of infection in Germany. Still an infection with Plesiomonas shigelloides seems to be rare in northern European countries.

    Matched MeSH terms: Gastroenteritis/microbiology*
  8. Ludin CM, Afifi SA, Hasenan N, Maimunah A, Anuar AK
    PMID: 1948280
    Stool samples from 836 cases with diarrhea and acute gastroenteritis from the Pediatric ward, Penang General Hospital, were examined for Cryptosporidium oocysts. A dimethyl sulfoxide modified acid fast technique was used for the identification of the parasites. 36 samples or 4.3% were found to be positive for Cryptosporidium. The prevalence of infection was higher (2.39%) in children with diarrhea and vomiting than in children with acute gastroenteritis alone (0.8%). Stool examination and cultures from the Cryptosporidium positive samples revealed no other parasites, rotavirus or enteropathogenic bacteria. This suggests that Cryptosporidium may be an important agent in the causation of diarrhea in young children. A routine laboratory examination for the detection of Cryptosporidium in the search for causal agents of childhood diarrhea in our environment may, therefore, be significant.
    Matched MeSH terms: Gastroenteritis/parasitology*
  9. Puthucheary SD
    Med J Malaysia, 1973 Sep;28(1):44-6.
    PMID: 4273784
    Matched MeSH terms: Gastroenteritis/microbiology*
  10. Goh YL, Puthucheary SD, Thong KL
    PMID: 11414415
    A representative sample of 20 isolates of Salmonella weltevreden strains from stool cultures of patients admitted at the University Hospital, Kuala Lumpur, Malaysia were analyzed. All the strains were susceptible to ampicillin, ceftriaxone, ciprofloxacin, chloramphenicol, tetracycline, trimethoprim, gentamicin and co-trimoxazole. Ribosomal RNA gene restriction pattern analysis of PstI-digested DNA gave three ribotypes while pulsed-field gel electrophoresis (PFGE) analysis of XbaI-digested DNA gave ten distinct profiles. PFGE was more discriminative than ribotyping in distinguishing the strains. The majority of the strains analyzed were very closely related with similarity coefficient values ranging from 0.8 to 1.0. Both PFGE and ribotyping could distinguish one of the strains which was obtained from a patient following a bone marrow transplant for beta-thalassemia major, indicating that this particular strain was unrelated to the rest of the strains from patients with acute gastroenteritis.
    Matched MeSH terms: Gastroenteritis/microbiology
  11. Thong KL, Ngeow YF, Altwegg M, Navaratnam P, Pang T
    J Clin Microbiol, 1995 May;33(5):1070-4.
    PMID: 7615707
    A total of 61 isolates of Salmonella enteritidis were analyzed by the techniques of pulsed-field gel electrophoresis (PFGE) and ribotyping. Twenty-three of the isolates were from Zurich, Switzerland, and 38 isolates were from the University Hospital, Kuala Lumpur, Malaysia. Five of the Malaysian isolates were hospital-related outbreak strains and were shown to be indistinguishable by PFGE analysis following digestion with three different restriction endonucleases, XbaI (5'-TCTAGA-3'), SpeI (5'-ACTAGT-3'), and AvrII (5'-CCTAGG-3'). The PFGE pattern of an isolate from a suspected carrier staff nurse was found to be identical to those of the hospital outbreak isolates. These isolates were also indistinguishable by ribotyping with SmaI and SphI. The same single PFGE pattern was also detected in 29 of 32 sporadic isolates of S. enteritidis. Four closely related ribotypes were detected among these 29 isolates. Similarly, outbreak-related strains from Switzerland showed close genetic identity by PFGE and ribotyping. Strains obtained from poultry showed more variations in their PFGE patterns and ribotypes, although the patterns were still closely related. In addition, SphI ribotypes A and D among the Swiss strains correlated with phage types 4 and 8, respectively. No correlation of phage types with PFGE pattern was noted. Both PFGE and ribotyping indicate that the S. enteritidis strains circulating in Malaysia and Switzerland are very similar and may be clonally related. Comparison of the PFGE patterns with the ribotypes for 23 Swiss and 16 Malaysian isolates showed that there was a 69% concordance in the grouping of isolates. We conclude that the close genetic similarity observed between epidemiologically unrelated and outbreak-related isolates of S. enteritidis suggests that both PFGE and ribotyping are of limited value in the epidemiological analysis of these particular isolates, possibly because of the highly clonal nature of pathogenic strains of S. enteritidis.
    Matched MeSH terms: Gastroenteritis/microbiology; Gastroenteritis/epidemiology
  12. Rasool NB, Hamzah M, Jegathesan M, Wong YH, Qian Y, Green KY
    J Med Virol, 1994 Jul;43(3):209-11.
    PMID: 7931180
    Stool specimens from 334 infants and young children hospitalized with diarrhea in the General Hospital, Kuala Lumpur, Malaysia between August and November, 1987 were analyzed for the presence of rotavirus double-stranded (ds) RNA by polyacrylamide gel electrophoresis. Of the 334 specimens analyzed, 32 (9.6%) were positive for rotavirus RNA. One specimen (designated G147) exhibited a ds RNA electropherotype profile characteristic of Group C rotavirus and was selected for further characterization. In Northern blot hybridization studies, the gene 5 segment of strain G147 hybridized with a cDNA probe generated from the cloned gene 5 (which encodes the VP6 inner capsid protein that is group specific) of porcine Group C rotavirus strain Cowden, confirming the classification of strain G147 in Group C. The association of Group C rotavirus with diarrheal illness in Malaysia is consistent with earlier studies that suggest a global distribution of this virus and supports the need for additional epidemiologic studies.
    Matched MeSH terms: Gastroenteritis/epidemiology; Gastroenteritis/virology*
  13. Lee WS, Puthucheary SD
    Singapore Med J, 2001 Feb;42(2):057-60.
    PMID: 11358191
    To describe the patterns of isolation of Aeromonas spp. and the resulting spectrum of infection, intestinal and extra-intestinal,from infants and children in an urban area in a hot and humid country from SoutheastAsia.
    Matched MeSH terms: Gastroenteritis/microbiology*; Gastroenteritis/epidemiology*
  14. Siti Farah Alwani Mohd Nawi, Zaini Mohd Zain, Muhammad Zarif Zahari, Anis Amalina Abdul Hamid, Nur Fakhriah Ahmad Afandi, Siti Nur Fathihah Azmi
    MyJurnal
    Serving raw oysters with lemon juice is a delicacy in many restaurants in
    Malaysia. Oysters (Crassostrea virginica) live in the seacoast and they share the same
    environment as Vibrio parahaemolyticus. Consumption of raw oysters contaminated with V.
    parahaemolyticus can lead to severe gastroenteritis. A study was performed to determine
    whether lemon (Citrus limon) juice is able to inhibit the growth of V. parahaemolyticus after
    being inoculated in raw oysters. Methods: Frozen oysters bought from a local supplier
    weighing 6 g each were minced and placed in two bottles using sterile technique.
    Approximately 1 ml of 107 CFU of V. parahaemolyticus (ATCC strain 17802) was added and
    mixed in both bottles. The mixture was treated with 1 ml of lemon juice in only one of the
    bottles and the other bottle served as a control. At every 30 s intervals for 2 min, 1 g of the
    sample was taken for enumeration of viable cells onto thiosulphate citrate bile salt sucrose
    (TCBS). Results: After 30 s of treatment with the lemon juice, it was observed that the
    number of colonies in the treated samples reduced from 7 Log to 3 Log. Subsequently, no
    viable V. parahaemolyticus was seen. It was also observed that there were 3 Log reductions
    of V. parahaemolyticus after 30 s in untreated samples, however the number of colonies
    remained stable until the end of the experiment. Conclusion: This study therefore shows
    that lemon juice has some antimicrobial effect on V. parahaemolyticus in raw oysters.
    Matched MeSH terms: Gastroenteritis
  15. Ng RL
    Med J Malaysia, 2018 10;73(5):328-329.
    PMID: 30350815
    A 5-year-old girl presented with three brief episodes of afebrile seizure within 24 hours. There was no significant past medical history but she had symptoms of acute gastroenteritis for the past 2 days. She was mildly dehydrated with no neurological signs. Serum electrolytes and blood sugar were normal and cerebrospinal fluid examination was negative for meningoencephalitis. Contrast-enhanced CT Brain showed no evidence of intracranial lesion, haemorrhage or meningeal enhancement. Only stool investigation was positive for Rotavirus. The conclusion of Benign Afebrile Convulsion with gastroenteritis (CwG) was established after excluding other serious causes of afebrile seizure in children.
    Matched MeSH terms: Gastroenteritis
  16. Lane MJ
    Family Physician, 1996;8(1&2):21-24.
    985 medical certificates issued by primary care doctors at the Klinik Perubatan Masyarakat and the staff health clinic at Universiti Sains Malaysia were analysed. Most common diagnoses were URTls, conjunctivitis, and gastro-enteritis. Mean duration of absence ranged from 1.3 to 3.4 days. HUSM staff with skin infections were given certificates nearly twice more often than the public. Backache earned more time off for the staff compared to the public. There is a need to formulate guidelines for medical certificates.

    Study site: Klinik Perubatan Masyarakat and the staff health clinic at Universiti Sains Malaysia
    Matched MeSH terms: Gastroenteritis
  17. Siti Farah Alwani Mohd Nawi, Zaini Mohd Zain, Muhammad Zarif Zahari, Anis Amalina Abdul Hamid, Nur Fakhriah Ahmad Afandi, Siti Nur Fathihah Azmi
    Serving raw oysters with lemon juice is a delicacy in many restaurants in
    Malaysia. Oysters (Crassostrea virginica) live in the seacoast and they share the same
    environment as Vibrio parahaemolyticus. Consumption of raw oysters contaminated with V.
    parahaemolyticus can lead to severe gastroenteritis. A study was performed to determine
    whether lemon (Citrus limon) juice is able to inhibit the growth of V. parahaemolyticus after
    being inoculated in raw oysters. Methods: Frozen oysters bought from a local supplier
    weighing 6 g each were minced and placed in two bottles using sterile technique.
    Approximately 1 ml of 107 CFU of V. parahaemolyticus (ATCC strain 17802) was added and
    mixed in both bottles. The mixture was treated with 1 ml of lemon juice in only one of the
    bottles and the other bottle served as a control. At every 30 s intervals for 2 min, 1 g of the
    sample was taken for enumeration of viable cells onto thiosulphate citrate bile salt sucrose
    (TCBS). Results: After 30 s of treatment with the lemon juice, it was observed that the
    number of colonies in the treated samples reduced from 7 Log to 3 Log. Subsequently, no
    viable V. parahaemolyticus was seen. It was also observed that there were 3 Log reductions
    of V. parahaemolyticus after 30 s in untreated samples, however the number of colonies
    remained stable until the end of the experiment. Conclusion: This study therefore shows
    that lemon juice has some antimicrobial effect on V. parahaemolyticus in raw oysters.
    Matched MeSH terms: Gastroenteritis
  18. Tan CW, Rukayadi Y, Hasan H, Thung TY, Lee E, Rollon WD, et al.
    Saudi J Biol Sci, 2020 Jun;27(6):1602-1608.
    PMID: 32489301 DOI: 10.1016/j.sjbs.2020.01.002
    Vibrio parahaemolyticus is a foodborne bacterial pathogen that may cause gastroenteritis in humans through the consumption of seafood contaminated with this microorganism. The emergence of antimicrobial and multidrug-resistant bacteria is another serious public health threat worldwide. In this study, the prevalence and antibiotic susceptibility test of V. parahaemolyticus in blood clams, shrimps, surf clams, and squids were determined. The overall prevalence of V. parahaemolyticus in seafood was 85.71% (120/140), consisting of 91.43% (32/35) in blood clam, 88.57% (31/35) in shrimps, 82.86% (29/35) in surf clams, and 80% (28/35) in squids. The majority of V. parahaemolyticus isolates from the seafood samples were found to be susceptible to most antibiotics except ampicillin, cefazolin, and penicillin. The MAR indices of V. parahaemolyticus isolates ranged from 0.04 to 0.71 and about 90.83% of isolates were found resistant to more than one antibiotic. The high prevalence of V. parahaemolyticus in seafood and multidrug-resistant isolates detected in this study could pose a potential risk to human health and hence appropriate control methods should be in place to minimize the potential contamination and prevent the emergence of antibiotic resistance.
    Matched MeSH terms: Gastroenteritis
  19. Jiksing C, Voo CLY, Rodrigues KF
    Data Brief, 2020 Aug;31:105920.
    PMID: 32637513 DOI: 10.1016/j.dib.2020.105920
    Salmonella is a gram-negative rod-shape bacterium from the family of Enterobacteriaceae that can cause a wide range of human disease such as enteric fever, gastroenteritis and bacteremia. Here we sequenced two genomes of Salmonella bacteria isolated from the Gallus gallus domesticus host. Genomic DNA of the two Salmonella isolates were extracted and subjected to whole genome sequencing using Illumina platform. The draft genome size of the two Salmonella isolates was determined to be 4,902,295 bp (S18) and 4,847,310 bp (S20) respectively. The percentage of GC content for both draft genomes is the same which is 52.1%. Both the whole genome shotgun project (S18 and S20) has been deposited in National Center for Biotechnology Information Sequence Read Archive under the accession number of SRR7503041 (S18) and SRR7503040 (S20). The sequenced genome (S18 and S20) were aligned with the reference genome and three other Salmonella genomes from serogroup B, D and E. The data obtained show the presence of unique DNA sequences in S18 and S20 genomes. This unique DNA sequences are from the fimbrial gene group.
    Matched MeSH terms: Gastroenteritis
  20. Ludin CM, Radzi JM, Maimunah A
    Malays J Med Sci, 2003 Jul;10(2):87-90.
    PMID: 23386803 MyJurnal
    The present study, analyzes data from 1991 to 2000 for rotavirus infection among children with diarrhoea and acute gastroenteritis admitted to the Hospital Universiti Sains Malaysia (HUSM). The Latex Slide Agglutination Test was used for the detection of rotavirus antigens. Out of 1097 stool samples tested, 207 samples or 18.8 % were found to be positive for rotavirus. The infection occurred most frequently in infants and young children from 6 months to 2 years of age. The infection was recorded highest in the year of 2000 - 48 cases (34.1%) and the lowest in 1999 - 5 cases (6.6%). Stool examination and cultures from the rotavirus positive samples revealed no parasites and enteropathogenic bacteria. These observations suggested that rotavirus could still remain as an important agent causing diarrhoea and gastroenteritis in young children admitted to HUSM.
    Matched MeSH terms: Gastroenteritis
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