Displaying publications 61 - 80 of 1777 in total

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  1. Estimation of immunization providers' activities cost, medication cost, and immunization dose errors cost in Iraq
    Al-lela OQ, Bahari MB, Al-abbassi MG, Salih MR, Basher AY
    Vaccine, 2012 Jun 6;30(26):3862-6.
    PMID: 22521848 DOI: 10.1016/j.vaccine.2012.04.014
    The immunization status of children is improved by interventions that increase community demand for compulsory and non-compulsory vaccines, one of the most important interventions related to immunization providers. The aim of this study is to evaluate the activities of immunization providers in terms of activities time and cost, to calculate the immunization doses cost, and to determine the immunization dose errors cost. Time-motion and cost analysis study design was used. Five public health clinics in Mosul-Iraq participated in the study. Fifty (50) vaccine doses were required to estimate activities time and cost. Micro-costing method was used; time and cost data were collected for each immunization-related activity performed by the clinic staff. A stopwatch was used to measure the duration of activity interactions between the parents and clinic staff. The immunization service cost was calculated by multiplying the average salary/min by activity time per minute. 528 immunization cards of Iraqi children were scanned to determine the number and the cost of immunization doses errors (extraimmunization doses and invalid doses). The average time for child registration was 6.7 min per each immunization dose, and the physician spent more than 10 min per dose. Nurses needed more than 5 min to complete child vaccination. The total cost of immunization activities was 1.67 US$ per each immunization dose. Measles vaccine (fifth dose) has a lower price (0.42 US$) than all other immunization doses. The cost of a total of 288 invalid doses was 744.55 US$ and the cost of a total of 195 extra immunization doses was 503.85 US$. The time spent on physicians' activities was longer than that spent on registrars' and nurses' activities. Physician total cost was higher than registrar cost and nurse cost. The total immunization cost will increase by about 13.3% owing to dose errors.
    Matched MeSH terms: Infant, Newborn
  2. Fulltext Detection of α-thalassaemia in neonates on cord blood and dried blood spot samples by capillary electrophoresis
    Alauddin H, Langa M, Mohd Yusoff M, Raja Sabudin RZA, Ithnin A, Abdul Razak NF, et al.
    Malays J Pathol, 2017 Apr;39(1):17-23.
    PMID: 28413201 MyJurnal
    INTRODUCTION: Haemoglobin Bart's (Hb Bart's) level is associated with α-thalassaemia traits in neonates, enabling early diagnosis of α-thalassaemia. The study aimed to detect and quantify the Hb Bart's using Cord Blood (CB) and CE Neonat Fast Hb (NF) progammes on fresh and dried blood spot (DBS) specimen respectively by capillary electrophoresis (CE).

    METHODS: Capillarys Hemoglobin (E) Kit (for CB) and Capillarys Neonat Hb Kit (for NF) were used to detect and quantify Hb Bart's by CE in fresh cord blood and dried blood spot (DBS) specimens respectively. High performance liquid chromatography (HPLC) using the β-Thal Short Programme was also performed concurrently with CE analysis. Confirmation was obtained by multiplex ARMS Gap PCR.

    RESULTS: This study was performed on 600 neonates. 32/600 (5.3%) samples showed presence of Hb Bart's peak using the NF programme while 33/600 (5.5%) were positive with CB programme and HPLC methods. The range of Hb Bart's using NF programme and CB programme were (0.5-4.1%) and (0.5-7.1%), respectively. Molecular analysis confirmed all positive samples possessed α-thalassaemia genetic mutations, with 23/33 cases being αα/--SEA, four -α3.7/-α3.7, two αα/-α3.7 and three αα/ααCS. Fifty Hb Bart's negative samples were randomly tested for α-genotypes, three were also found to be positive for α-globin gene mutations. Thus, resulting in sensitivity of 91.7% and 88.9% and specificity of 100% for the Capillarys Cord Blood programme and Capillarys Neonat Fast programme respectively.

    CONCLUSION: Both CE programmes using fresh or dried cord blood were useful as a screening tool for α-thalassaemia in newborns. All methods show the same specificity (100%) with variable, but acceptable sensitivities in the detection of Hb Bart.
    Matched MeSH terms: Infant, Newborn
  3. Outcomes of an In Vitro Fertilization Pregnancy With COVID-19 and the Perinatal Outcome in Riyadh, Saudi Arabia
    Alhamoud AH, Matary F, Bukhari S, Kelantan M, Bajahzer M
    Cureus, 2020 Dec 26;12(12):e12296.
    PMID: 33510990 DOI: 10.7759/cureus.12296
    Coronavirus disease 2019 (COVID-19) caused by the novel severe respiratory syndrome coronavirus 2 (SARS-CoV-2) is a pandemic and potentially fatal disease. COVID-19 cases are on the rise globally; this also includes risk groups such as pregnant women and neonates. Herein, we report the first COVID-19 cesarean delivery case of an in vitro fertilization (IVF) pregnancy in a Saudi woman. A postdate pregnant healthy woman tested positive with COVID-19 on her 38 weeks + five days. On her 40 weeks + five days, the woman had dilation without contractions; thereby, cesarean delivery was decided. The delivery was successful, with no complications in the mother and neonate. The preferable outcomes of this case could be attributable to some factors: multidisciplinary medical management, the mother's young age, and COVID-19 infection during the late trimester.
    Matched MeSH terms: Infant, Newborn
  4. Fulltext Anomalous right pulmonary artery from aorta, surgical approach case report and literature review
    Alhawri K, Alakhfash A, Alqwaee A, HassabElnabi M, Ahmed F, Alhawri M, et al.
    J Card Surg, 2021 Aug;36(8):2890-2900.
    PMID: 34047395 DOI: 10.1111/jocs.15618
    BACKGROUND: Anomalous origin of one pulmonary artery from the aorta is a rare congenital anomaly affecting the right pulmonary artery more than the left. These patients are at risk for the early development of significant pulmonary hypertension. Early surgical treatment has been proven safe with excellent results. The surgical approach and technique is challenging and should be decided ahead before the patient to surgery. Different techniques were described including direct reimplantation, conduit interposition, aortic ring flap.

    AIM: We present a neonate with anomalous origin of the right pulmonary artery from the aorta and discuss the surgical technique and complications in the literature.

    Matched MeSH terms: Infant, Newborn
  5. Carbamoylphosphate synthetase 1 (CPS1) deficiency: clinical, biochemical, and molecular characterization in Malaysian patients
    Ali EZ, Khalid MK, Yunus ZM, Yakob Y, Chin CB, Abd Latif K, et al.
    Eur J Pediatr, 2016 Mar;175(3):339-46.
    PMID: 26440671 DOI: 10.1007/s00431-015-2644-z
    Carbamoyl phosphate synthetase 1 (CPS1) deficiency is a rare autosomal recessive disorder of ureagenesis presenting as life-threatening hyperammonemia. In this study, we present the main clinical features and biochemical and molecular data of six Malaysian patients with CPS1 deficiency. All the patients have neonatal-onset symptoms, initially diagnosed as infections before hyperammonemia was recognized. They have typical biochemical findings of hyperglutaminemia, hypocitrullinemia, and low to normal urinary excretion of orotate. One neonate succumbed to the first hyperammonemic decompensation. Five neonatal survivors received long-term treatment consisting of dietary protein restriction and ammonia-scavenging drugs. They have delayed neurocognitive development of varying severity. Genetic analysis revealed eight mutations in CPS1 gene, five of which were not previously reported. Five mutations were missense changes while another three were predicted to create premature stop codons. In silico analyses showed that these new mutations affected different CPS1 enzyme domains and were predicted to interrupt interactions at enzyme active sites, disturb local enzyme conformation, and destabilize assembly of intact enzyme complex.

    CONCLUSION: All mutations are private except one mutation; p.Ile1254Phe was found in three unrelated families. Identification of a recurrent p.Ile1254Phe mutation suggests the presence of a common and unique mutation in our population. Our study also expands the mutational spectrum of the CPS1 gene.

    Matched MeSH terms: Infant, Newborn
  6. Fulltext Mutation Study of Malaysian Patients with Ornithine Transcarbamylase Deficiency: Clinical, Molecular, and Bioinformatics Analyses of Two Novel Missense Mutations of the OTC Gene
    Ali EZ, Zakaria Y, Mohd Radzi MA, Ngu LH, Jusoh SA
    Biomed Res Int, 2018;2018:4320831.
    PMID: 30175132 DOI: 10.1155/2018/4320831
    Ornithine transcarbamylase deficiency (OTCD), an X-linked disorder that results from mutations in the OTC gene, causes hyperammonemia and leads to various clinical manifestations. Mutations occurring close to the catalytic site of OTCase can cause severe OTCD phenotypes compared with those caused by mutations occurring on the surface of this protein. In this study, we report two novel OTC missense mutations, Q171H and N199H, found in Malaysian patients. Q171H and N199H caused neonatal onset OTCD in a male and late OTCD in a female, respectively. In silico predictions and molecular docking were performed to examine the effect of these novel mutations, and the results were compared with other 30 known OTC mutations. In silico servers predicted that Q171H and N199H, as well as 30 known missense mutations, led to the development of OTCD. Docking analysis indicated that N-(phosphonoacetyl)-L-ornithine (PALO) was bound to the catalytic site of OTCase mutant structure with minimal conformational changes. However, the mutations disrupted interatomic interactions in the catalytic site. Therefore, depending on the severity of disruption occurring at the catalytic site, the mutation may affect the efficiency of mechanism and functions of OTCase.
    Matched MeSH terms: Infant, Newborn
  7. Relationship of periodontal disease to pre-term low birth weight infants in a selected population--a prospective study
    Ali TB, Abidin KZ
    Community Dent Health, 2012 Mar;29(1):100-5.
    PMID: 22482259
    To assess effect of periodontal status of antenatal mothers on pregnancy outcomes in a selected population in Malaysia.
    Matched MeSH terms: Infant, Newborn
  8. Genotyping of Malaysian G6PD-deficient neonates by reverse dot blot flow-through hybridisation
    Alina MF, Azma RZ, Norunaluwar J, Azlin I, Darnina AJ, Cheah FC, et al.
    J Hum Genet, 2020 Mar;65(3):263-270.
    PMID: 31863082 DOI: 10.1038/s10038-019-0700-7
    G6PD deficiency is the commonest enzyme deficiency found in humans. Current diagnostic methods lack sensitivity to detect all cases of G6PD deficiency. We evaluated the reverse dot blot flow-through hybridisation assay designed to detect simultaneously multiple known G6PD mutations in a group of Malaysian neonates. Archival DNA samples from 141 G6PD-deficient neonates were subjected to reverse dot blot flow-through hybridisation assay using the GenoArray Diagnostic Kit (Hybribio Limited, Hong Kong) and DNA sequencing. The method involved PCR amplification of 5 G6PD exons using biotinylated primers, hybridisation of amplicons to a membrane containing oligoprobes designed for G6PD mutations known to occur in the Malaysian population and colour detection by enzyme immunoassay. The assay detected 13 of the 14 G6PD mutations and genotyped 133 (94.3%) out of 141 (102 males, 39 females) cases. Among the 39 female G6PD-deficient neonates, there were 7 homozygous and 6 compound heterozygous cases. The commonest alleles were G6PD Viangchan 871G > A (21%) and G6PD Mahidol 487G > A(20%) followed by G6PD Mediterranean 563C > T, (14%), G6PD Vanua Lava 383T > C (12%), G6PD Canton 1376G > T (10%), G6PD Orissa 131C > G (6.3%) G6PD Coimbra 592C > T (5.6%) plus 6 other mutations. DNA sequencing of remaining cases revealed 6 cases of intron 11 nt 93C > T not previously reported in Malaysia and two novel mutations, one case each of nt 1361G > T and nt 1030G > A. We found the reverse dot blot assay easy to perform, rapid, accurate and reproducible, potentially becoming an improved diagnostic test for G6PD deficiency.
    Matched MeSH terms: Infant, Newborn
  9. Fulltext Impact of routine PCV7 (Prevenar) vaccination of infants on the clinical and economic burden of pneumococcal disease in Malaysia
    Aljunid S, Abuduxike G, Ahmed Z, Sulong S, Nur AM, Goh A
    BMC Infect Dis, 2011;11:248.
    PMID: 21936928 DOI: 10.1186/1471-2334-11-248
    BACKGROUND: Pneumococcal disease is the leading cause of vaccine-preventable death in children younger than 5 years of age worldwide. The World Health Organization recommends pneumococcal conjugate vaccine as a priority for inclusion into national childhood immunization programmes. Pneumococcal vaccine has yet to be included as part of the national vaccination programme in Malaysia although it has been available in the country since 2005. This study sought to estimate the disease burden of pneumococcal disease in Malaysia and to assess the cost effectiveness of routine infant vaccination with PCV7.
    METHODS: A decision model was adapted taking into consideration prevalence, disease burden, treatment costs and outcomes for pneumococcal disease severe enough to result in a hospital admission. Disease burden were estimated from the medical records of 6 hospitals. Where local data was unavailable, model inputs were obtained from international and regional studies and from focus group discussions. The model incorporated the effects of herd protection on the unvaccinated adult population.
    RESULTS: At current vaccine prices, PCV7 vaccination of 90% of a hypothetical 550,000 birth cohort would incur costs of RM 439.6 million (US$128 million). Over a 10 year time horizon, vaccination would reduce episodes of pneumococcal hospitalisation by 9,585 cases to 73,845 hospitalisations with cost savings of RM 37.5 million (US$10.9 million) to the health system with 11,422.5 life years saved at a cost effectiveness ratio of RM 35,196 (US$10,261) per life year gained.
    CONCLUSIONS: PCV7 vaccination of infants is expected to be cost-effective for Malaysia with an incremental cost per life year gained of RM 35,196 (US$10,261). This is well below the WHO's threshold for cost effectiveness of public health interventions in Malaysia of RM 71,761 (US$20,922).
    Matched MeSH terms: Infant, Newborn
  10. Fulltext Economic impact of switching from partially combined vaccine "Pentaxim® and hepatitis B" to fully combined vaccine "Hexaxim®" in the Malaysian National Immunization Program
    Aljunid SM, Al Bashir L, Ismail AB, Aizuddin AN, Rashid SAZA, Nur AM
    BMC Health Serv Res, 2022 Jan 05;22(1):34.
    PMID: 34986870 DOI: 10.1186/s12913-021-07428-7
    BACKGROUND: The decision to implement new vaccines should be supported by public health and economic evaluations. Therefore, this study was primarily designed to evaluate the economic impact of switching from partially combined vaccine (Pentaxim® plus hepatitis B) to fully combined vaccine (Hexaxim®) in the Malaysian National Immunization Program (NIP) and to investigate healthcare professionals (HCPs)' and parents'/caregivers' perceptions.

    METHODS: In this economic evaluation study, 22 primary healthcare centers were randomly selected in Malaysia between December 2019 and July 2020. The baseline immunization schedule includes switching from Pentaxim® (four doses) and hepatitis B (three doses) to Hexaxim® (four doses), whereas the alternative scheme includes switching from Pentaxim® (four doses) and hepatitis B (three doses) to Hexaxim® (four doses) and hepatitis B (one dose) administered at birth. Direct medical costs were extracted using a costing questionnaire and an observational time and motion chart. Direct non-medical (cost for transportation) and indirect costs (loss of productivity) were derived from parents'/caregivers' questionnaire. Also, HCPs' and parent's/caregivers' perceptions were investigated using structured questionnaires.

    RESULTS: The cost per dose of Pentaxim® plus hepatitis B vs. Hexaxim® for the baseline scheme was Malaysian ringgit (RM) 31.90 (7.7 United States dollar [USD]) vs. 17.10 (4.1 USD) for direct medical cost, RM 54.40 (13.1 USD) vs. RM 27.20 (6.6 USD) for direct non-medical cost, RM 221.33 (53.3 USD) vs. RM 110.66 (26.7 USD) for indirect cost, and RM 307.63 (74.2 USD) vs. RM 155.00 (37.4 USD) for societal (total) cost. A similar trend was observed for the alternative scheme. Compared with Pentaxim® plus hepatitis B, total cost savings per dose of Hexaxim® were RM 137.20 (33.1 USD) and RM 104.70 (25.2 USD) in the baseline and alternative scheme, respectively. Eighty-four percent of physicians and 95% of nurses supported the use of Hexaxim® in the NIP. The majority of parents/caregivers had a positive perception regarding Hexaxim® vaccine in various aspects.

    CONCLUSIONS: Incorporation of Hexaxim® within Malaysian NIP is highly recommended because the use of Hexaxim® has demonstrated substantial direct and indirect cost savings for healthcare providers and parents/caregivers with a high percentage of positive perceptions, compared with Pentaxim® plus hepatitis B.

    TRIAL REGISTRATION: Not applicable.

    Matched MeSH terms: Infant, Newborn
  11. Fulltext Factors Influencing the Total Inpatient Pharmacy Cost at a Tertiary Hospital in Malaysia: A Retrospective Study
    Aljunid SM, Ali Jadoo SA
    Inquiry, 2018 2 14;55:46958018755483.
    PMID: 29436248 DOI: 10.1177/0046958018755483
    The steady growth of pharmaceutical expenditures is a major concern for health policy makers and health care managers in Malaysia. Our study examined the factors affecting the total inpatient pharmacy cost (TINPC) at the Universiti Kebangsaan Malaysia Medical Centre (UKMMC). In this retrospective study, we used 2011 administration electronic prescriptions records and casemix databases at UKMMC to examine the impact of sociodemographic, diagnostic, and drug variables on the TINPC. Bivariate and multivariate analyses of the factors associated with TINPC were conducted. The mean inpatient pharmacy cost per patient was USD 102.07 (SD = 24.76). In the multivariate analysis, length of stay (LOS; B = 0.349, P < .0005) and severity level III ( B = 0.253, P < .0005) were the primary factors affecting the TINPC. For each day increase in the LOS and each increase of a case of severity level III, there was an increase of approximately USD 11.97 and USD 171.53 in the TINPC per year, respectively. Moreover, the number of prescribed items of drugs and supplies was positively associated with the TINPC ( B = 0.081, P < .0005). Gender appears to have affected the TINPC; male patients seem to be associated with a higher TINPC than females (mean = 139.55, 95% confidence interval [CI]: 112.97-166.13, P < .001). Surgical procedures were associated with higher cost than medical cases (mean = 87.93, 95% CI: 61.00-114.85, P < .001). Malay (MYR 242.02, SD = 65.37) and Chinese (MYR 214.66, SD = 27.99) ethnicities contributed to a lower TINPC compared with Indian (MYR 613.93, SD = 98.41) and other ethnicities (MYR 578.47, SD = 144.51). A longer hospitalization period accompanied by major complications and comorbidities had the greatest influence on the TINPC.
    Matched MeSH terms: Infant, Newborn
  12. Fulltext Assessment of the optic nerve head parameters using Heidelberg retinal tomography III in preterm children
    Alshaarawi S, Shatriah I, Zunaina E, Wan Hitam WH
    PLoS One, 2014;9(2):e88056.
    PMID: 24551076 DOI: 10.1371/journal.pone.0088056
    Variations in optic nerve head morphology and abnormal retinal vascular pattern have been described in preterm children using digital image analysis of fundus photograph, optical coherence tomograph and serial funduscopy. We aimed to compare the optic nerve head parameters in preterm and term Malay children using Heidelberg Retinal Tomograph III.
    Matched MeSH terms: Infant, Newborn
  13. Risk factors for augmentation of the flow of blood to the lungs in pulmonary atresia with intact ventricular septum after radiofrequency valvotomy
    Alwi M, Kandavello G, Choo KK, Aziz BA, Samion H, Latiff HA
    Cardiol Young, 2005 Apr;15(2):141-7.
    PMID: 15845156
    Some patients with pulmonary atresia with an intact ventricular septum, mild to moderate right ventricular hypoplasia, and a patent infundibulum remain duct dependent on the flow of blood through the arterial duct despite adequate relief of the obstruction within the right ventricular outflow tract. The objective of our study was to review the risk factors for stenting of the patent arterial duct, or construction of a Blalock-Taussig shunt, in the patients with pulmonary atresia and an intact ventricular septum who remain duct-dependent following radiofrequency valvotomy and dilation of the imperforate pulmonary valve. We reviewed the data from 53 patients seen between November 1995 and December 2001. Of the 47 patients who survived, 6 required stenting of the patent arterial duct, while 4 needed construction of a modified Blalock-Taussig shunt to augment the flow of blood to the lungs at a mean of 7 plus or minus 5.7 days following the initial intervention. The remaining 37 patients required no additional procedures. We compared the findings in these two groups. The mean diameter of the tricuspid valve in the patients requiring early reintervention was 8.5 plus or minus 3.7 millimetres, giving a Z-score of -1.1 plus or minus 1.47, whilst those in the group without early reintervention had values of 10.7 plus or minus 2.2 millimetres, giving a Z-score of -0.58 plus or minus 1.18 (p equal to 0.003). No statistically significant differences were found in right ventricular morphology, McGoon ratio, or residual obstruction across the right ventricular outflow tract after decompression of the right ventricle. The diameter of the tricuspid valve, therefore, appears to be the only factor predicting the need for augmentation of flow of blood to the lungs. As just over one-fifth of our survivors required such augmentation, we hypothesize that stenting of the patent arterial duct may be performed as an integral part of primary transcatheter therapy in patients with pulmonary atresia and intact ventricular septum who have moderate right ventricular hypoplasia and a small tricuspid valve.
    Matched MeSH terms: Infant, Newborn
  14. Fulltext Concomitant stenting of the patent ductus arteriosus and radiofrequency valvotomy in pulmonary atresia with intact ventricular septum and intermediate right ventricle: early in-hospital and medium-term outcomes
    Alwi M, Choo KK, Radzi NA, Samion H, Pau KK, Hew CC
    J. Thorac. Cardiovasc. Surg., 2011 Jun;141(6):1355-61.
    PMID: 21227471 DOI: 10.1016/j.jtcvs.2010.08.085
    Objectives: Our objective was to determine the feasibility and early to medium-term outcome of stenting the patent ductus arteriosus at the time of radiofrequency valvotomy in the subgroup of patients with pulmonary atresia with intact ventricular septum and intermediate right ventricle.
    Background: Stenting of the patent ductus arteriosus and radiofrequency valvotomy have been proposed as the initial intervention for patients with intermediate right ventricle inasmuch as the sustainability for biventricular circulation or 1½-ventricle repair is unclear in the early period.
    Methods: Between January 2001 and April 2009, of 143 patients with pulmonary atresia and intact ventricular septum, 37 who had bipartite right ventricle underwent radiofrequency valvotomy and stenting of the patent ductus arteriosus as the initial procedure. The mean tricuspid valve z-score was -3.8 ± 2.2 and the mean tricuspid valve/mitral valve ratio was 0.62 ± 0.16.
    Results: Median age was 10 days (3-65 days) and median weight 3.1 kg (2.4-4.9 kg). There was no procedural mortality. Acute stent thrombosis developed in 1 patient and necessitated emergency systemic-pulmonary shunt. There were 2 early in-hospital deaths owing to low cardiac output syndrome. One late death occurred owing to right ventricular failure after the operation. Survival after the initial procedure was 94% at 6 months and 91% at 5 years. At a median follow-up of 4 years (6 months to 8 years), 17 (48%) attained biventricular circulation with or without other interventions and 9 (26%) achieved 1½-ventricle repair. The freedom from reintervention was 80%, 68%, 58%, and 40% at 1, 2, 3, and 4 years, respectively.
    Conclusions: Concomitant stenting of the patent ductus arteriosus at the time of radiofrequency valvotomy in patients with pulmonary atresia with intact ventricular septum and intermediate right ventricle is feasible and safe with encouraging medium-term outcome.
    Matched MeSH terms: Infant, Newborn
  15. Pulmonary atresia with intact septum: the use of Conquest Pro coronary guidewire for perforation of atretic valve and subsequent interventions
    Alwi M, Budi RR, Mood MC, Leong MC, Samion H
    Cardiol Young, 2013 Apr;23(2):197-202.
    PMID: 22640635 DOI: 10.1017/S1047951112000595
    Objective: To determine the feasibility and safety of the Conquest Pro wire as an alternative to radiofrequency wire for perforation of atretic pulmonary valve and subsequent balloon dilatation and patent ductus arteriosus stenting in patients with pulmonary atresia with intact ventricular septum.
    Background: Radiofrequency valvotomy and balloon dilatation has become the standard of care for pulmonary atresia with intact ventricular septum in many institutions today.
    Methods: We report eight consecutive patients in whom we used the Conquest Pro coronary guidewire, a stiff wire normally reserved for revascularisation of coronary lesions with chronic total occlusion, for perforation of atretic pulmonary valve and subsequent balloon dilatation, and stenting of the patent ductus arteriosus.
    Results: Perforation of atretic pulmonary valve was successful in seven out of eight cases. Radiofrequency valvotomy was employed after failure of perforation by the Conquest Pro wire in one case where the right ventricular outflow tract was broad based and tapered towards the pulmonary valve, and was heavily trabeculated. Failure of the Conquest Pro wire to perforate the pulmonary valve plate was mainly attributed by the failure to engage the wire at the correct position.
    Conclusion: The Conquest Pro wire for perforation and subsequent interventions in the more straightforward cases of pulmonary atresia with intact ventricular septum is effective and safe, simplifying the entire procedure. However, the radiofrequency generator and wires remain essential tools in the paediatric interventional catheter laboratory.
    Matched MeSH terms: Infant, Newborn
  16. Fulltext Initial results and medium-term follow-up of stent implantation of patent ductus arteriosus in duct-dependent pulmonary circulation
    Alwi M, Choo KK, Latiff HA, Kandavello G, Samion H, Mulyadi MD
    J Am Coll Cardiol, 2004 Jul 21;44(2):438-45.
    PMID: 15261945 DOI: 10.1016/j.jacc.2004.03.066
    Objectives: This study was designed to assess the safety, efficacy, medium-term outcome, and complications of patent ductus arteriosus (PDA) stenting in duct-dependent pulmonary circulation.
    Background: Patent ductus arteriosus stenting has been proposed as an alternative to surgical shunt on account of postoperative morbidity and complications of surgical shunting.
    Methods: Between April 2000 and February 2003, 69 patients with duct-dependent pulmonary circulation underwent cardiac catheterization with the intent of PDA stenting as first palliative procedure. Patients with critical pulmonary stenosis and pulmonary atresia with intact ventricular septum post-radiofrequency valvotomy who had PDA stenting were excluded. Thirteen more patients were excluded because of branch pulmonary artery (PA) stenosis. The follow-up was by clinical examination, echocardiography, and repeat cardiac catheterization at six to nine months following the procedure.
    Results: Patent ductus arteriosus stenting was successful in 51 patients (91.1%) and failed in 5 patients (8.9%). The mean narrowest PDA diameter was 1.9 +/- 0.6 mm. The mean procedure and fluoroscopy time were 95.7 min and 29.4 min, respectively. In one patient the stent dislodged and migrated to the left femoral artery and another patient developed transient intravascular hemolysis. There was no procedure-related mortality. Three patients (5.9%) died one day to two months after the procedure. At follow-up (3.2 months to 2.4 years), 8 patients developed significant stent stenosis requiring reintervention. Seven patients developed worsening of preexisting branch PA stenosis. The freedom from reintervention was 89% and 55% at 6 months and 1 year, respectively.
    Conclusions: Patent ductus arteriosus stenting is an attractive alternative to surgical shunt in a majority of patients with duct-dependent circulation. An absolute contraindication to this technique is the presence of branch pulmonary stenosis.
    Matched MeSH terms: Infant, Newborn
  17. Fulltext Factors associated with high prevalence of intestinal protozoan infections among patients in Sana'a City, Yemen
    Alyousefi NA, Mahdy MA, Mahmud R, Lim YA
    PLoS One, 2011;6(7):e22044.
    PMID: 21789210 DOI: 10.1371/journal.pone.0022044
    BACKGROUND: Intestinal protozoan diseases in Yemen are a significant health problem with prevalence ranging from 18% to 27%. The present study is a cross-sectional study aimed at determining the factors associated with the high prevalence of intestinal protozoan infections among patients seeking health care in Sana'a City, the capital of Yemen.

    METHODOLOGY/PRINCIPAL FINDINGS: Stool samples were collected from 503 patients aged between 1 and 80 years old; 219 were males and 284 females. Biodata were collected via pretested standard questionnaire. Faecal samples were processed and examined for (oo)cysts or ova using a wet mount preparation after formal-ether concentration technique. Cryptosporidium oocysts were detected using the Ziehl-Neelsen staining technique. The overall prevalence of intestinal protozoan infections was 30.9%. Infection rates of Giardia duodenalis, Entamoeba histolytica/dispar and Cryptosporidium were 17.7%, 17.1% and 1%, respectively. Other parasites detected included Ascaris lumbricoides (2.4%), Schistosoma mansoni (0.3%), Hymenolepis nana (1.4%) and Enterobius vermicularis (0.4%). Multivariate analysis using forward stepwise logistic regression based on intestinal protozoan infections showed that contact with animals (OR = 1.748, 95% CI = 1.168-2.617) and taking bath less than twice a week (OR = 1.820, 95% CI = 1.192-2.779) were significant risk factors of protozoan infections.

    CONCLUSIONS/SIGNIFICANCE: This present study indicated that intestinal protozoan infections are still a public health problem in Yemen, with Giardia and Entamoeba infections being most common. Statistical analysis indicated that low personal hygiene and contact with animals were important predictors for intestinal protozoan infections. As highlighted in this study, in order to effectively reduce these infections, a multi-sectoral effort is needed. Preventive measures should include good hygienic practices, good animal husbandry practices, heightened provision of educational health programs, health services in all governorates including rural areas. Furthermore, it is also essential to find radical solutions to the recent water crises in Yemen.

    Matched MeSH terms: Infant, Newborn
  18. Human immunodeficiency virus prevalence in women at delivery using unlinked anonymous testing of newborns in the Malaysian setting
    Amar HS, Ho JJ, Mohan AJ
    J Paediatr Child Health, 1999 Feb;35(1):63-6.
    PMID: 10234638
    OBJECTIVE: To determine the community prevalence of human immunodeficiency virus (HIV) in women at the time of delivery in a Malaysian setting.

    METHODOLOGY: Cord blood samples from a pilot screening programme for congenital hypothyroidism in 1995 at Ipoh city and surrounding district hospitals were screened anonymously for HIV 1 and 2. HIV status was determined using chemiluminescent technology. Positive samples were retested using the Genelavia Mixt assay.

    RESULTS: A total of 4927 samples were tested. The ethnic breakdown included 51.7% Malays, 18.9% Chinese, 14.3% Indian, 2.3% Others and 12.9% unknown. The geographical distribution of samples was 73.9% urban, 24.2% rural and 1.9% unknown. The seroprevalence of HIV positivity was 3.25 per 1000 deliveries (95% CI: 1.92-5.16). Seroprevalence was higher for samples from rural and Malay mothers.

    CONCLUSION: The high seroprevalence in this study suggests that the spread of HIV is far wider than that anticipated by mandatory national reporting. It also supports antenatal screening and the use of antiretroviral therapy as an important strategy to reduce perinatal transmission.

    Matched MeSH terms: Infant, Newborn
  19. Fulltext Use of Wigglesworth pathophysiological classification for perinatal mortality in Malaysia
    Amar HSS, Abdul Hamid M, Wong SL
    Arch. Dis. Child. Fetal Neonatal Ed., 1996 Jan;74(1):F56-9.
    PMID: 8653438
    A one year prospective study of perinatal deaths was conducted to test the feasibility of using the Wigglesworth pathophysiological classification in the Malaysian health service. Four regions with high perinatal mortality rates were selected. Deaths were actively identified. Nursing staff were trained to use the classification and every death was reviewed by a clinician. A total of 26,198 births and 482 perinatal deaths were reported. The perinatal mortality rate was 18.4. Only 14 (2.9%) deaths had their Wigglesworth category reclassified. Most deaths were in the normally formed macerated stillbirths (34.4%), asphyxial conditions (26.8%), and immaturity (20.1%) subgroups. The results were compared with data from other countries that used this classification. This study has shown that the Wigglesworth pathophysiological classification can be applied to perinatal deaths in the existing Malaysian health service.
    Matched MeSH terms: Infant, Newborn
  20. Fulltext Neonatal tetanus in Malaysia
    Amar-Singh HS
    Med J Malaysia, 2009 Mar;64(1):1-2.
    PMID: 19852312 MyJurnal
    Neonatal Tetanus is a severe disease with high fatality. It should no longer be present in a country with the development status of Malaysia. However, sporadic cases still occur and the disease has not been eradicated. This editorial summarises the disease pattern, incidence and suggests reasons for the continued persistence of the condition locally.
    Matched MeSH terms: Infant, Newborn
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