Displaying publications 1 - 20 of 58 in total

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  1. Asim AM, Noor Fadzilah R, Rukmanikanthan S, Saw A
    Med J Malaysia, 2012 Oct;67(5):483-6.
    PMID: 23770863 MyJurnal
    INTRODUCTION: The distal radius is the most common fracture site in children, but local information on the fracture pattern, mechanism of injury and socio-demographic characteristics of the fracture is lacking.

    MATERIAL METHODS: We interviewed 126 children and their family members who were under follow up for this fracture in a single institution over a period of 2 years. Radiological images were reviewed to ensure that only those with fracture in the distal one third of the forearm were included.

    RESULTS: The overall incidence of this fracture increased with age, and male dominance was noted starting from schooling age. Most fractures occurred at home (38.8%), and 52.3% of all fractures were due to low energy falls. Sports injuries were mainly due to playing football, and road accidents due to riding bicycles. There were 49 (38.8%) children with incomplete fractures, and 19 (15.0%) with physeal plate fractures.

    CONCLUSION: Male dominance for distal radius fracture occurred at a comparatively younger age in our population. Preventive measures should focus on home environment since this is the most common place for fracture to occur. Special attention should be paid to boys after the school going age.
  2. Tan WJ, Kwan MK, Deepak AS, Saw A, Peng BC, Jalalullah W
    Med J Malaysia, 2006 Dec;61 Suppl B:18-22.
    PMID: 17600988
    Fracture of the femur is most commonly treated with interlocking nailing. We conducted this study to describe and analyze the size of femoral interlocking nails used in our local population. This is a retrospective study on reamed intramedullary interlocking nailing procedures performed between 1st July 1998 and 30th June 2003. Demographic data, the diameter and length of femoral nails used were obtained from patient's medical record. A total of 267 procedures were included. The most common diameter used was 10 mm (56.9%), followed by 11 mm (27.0%) and 12 mm (13.1%). Only 2.6% of the nails were less than 10 mm in diameter. The most common nail length was 38 cm (31.1%), followed by 36 cm (24.9%) and 40 cm (19.5%). The longest nail used was 46 cm while the shortest 32 cm. The most commonly used femoral nails were of 10 mm diameter with the length ranging from 36 to 40 cm, which is smaller than those reported in the English literature. Nails with diameter smaller than 10 mm were required in 2.6% of patients.
  3. Ling HT, Kwan MK, Saw A, Choon DS
    Med J Malaysia, 2006 Aug;61(3):380-2.
    PMID: 17240598 MyJurnal
    The incidence of wound related complication following total knee arthroplasty is as high as 10%-20%. To perform total knee arthroplasty in a knee with extensive scarring around the knee can be a challenging task. We report a case of 55-year-old diabetic woman, who had total knee arthroplasty, performed two years after she had recovered from necrotizing fasciitis around the right knee. Understanding the vascular anatomy around the knee is of paramount importance in the planning of skin incision to ensure fewer wound related complications.
  4. Kwan MK, Saw A, Chee EK, Lee CS, Lim CH, Zulkifle NA, et al.
    Med J Malaysia, 2006 Feb;61 Suppl A:17-20.
    PMID: 17042223
    Necrotizing fasciitis is a limb- and life-threatening rapidly spreading infection affecting the deep fascia with secondary necrosis of the subcutaneous tissue. It requires immediate medical attention and emergency surgery to prevent morbidity and death. This study was undertaken to determine its co-morbidity and risk factors affecting the outcome of its surgical treatment. This is a retrospective review of 36 cases of necrotizing fasciitis of the lower limb treated in our center between 1998 and 2002. Only 19% of the cases were correctly diagnosed upon admission and 48.6% were initially diagnosed as 'cellulitis'. Diabetes mellitus was the most common co-morbid. Pseudomonas, Staphylococcus, Streptococcus and Enterobactericae were the common pathogens isolated. Ten patients (27.8%) had major amputation as part of radical debridement. The overall mortality rate was 36% with laboratory parameters: high serum urea and creatinine, and low haemoglobin levels were predictors for higher mortality. Poor white cell response which is common in diabetic patients and a delay in surgical debridement were. notable attributes to a higher mortality. Necrotizing fasciitis is a serious infection associated with significant morbidity and mortality. A poor white blood cell response, high serum urea and creatinine, and low haemoglobin level were the predictors for mortality. Early diagnosis and prompt treatment are of paramount importance in the treatment of this infection.
  5. Kwan MK, Ng ES, Penafort R, Saw A, Sengupta S
    Med J Malaysia, 2005 Jul;60 Suppl C:66-71.
    PMID: 16381287 MyJurnal
    Bone defect following en bloc resection of primary bone tumor around the knee can be reconstructed by allograft or prothesis or combination of both. Resection-arthrodesis is an alternative option for young vigorous patients facing circumstances of financial constrain or limited supply of allograft. This study was undertaken to determine the outcome and complications associated with resection-arthrodesis of 22 primary bone tumors (13 giant cell tumors and 9 osteosarcomas) around the knee treated between 1990 and 2003 at the University Malaya Medical Center. The mean follow-up was 6 years (range 1-13 years). hree patients with osteosarcoma died of lung metastasis, 3 required above knee amputation and 2 defaulted follow-up. Local complications of the procedure include infection in 8 cases (36.4%), non-union 7 (31.8%) and mal-union. Of 14 patients who returned for final evaluation, 79.8% had satisfactory outcomes according to the Musculoskeletal Tumor Society grading system. In conclusion, resection-arthrodesis of the knee is a viable treatment option for selected patients with primary bone tumor around the knee, and good functional outcome can be expected in the presence of short-term local complications.
  6. Chua YP, Kwan MK, Saw A
    Med J Malaysia, 2005 Jul;60 Suppl C:78-82.
    PMID: 16381289
    The need for perioperative blood transfusion in elderly patients with trochanteric fracture scheduled for elective dynamic hip screw fixation has recently been questioned following reports on the association between allogeneic blood transfusion and post-operative infections. This retrospective study was undertaken to assess the amount of per operative blood loss and transfusion requirement in relation to pre-operative haemoglobin level in 198 patients with trochanteric fractures. The average per operative blood loss was 409 ml and it correlated well with the duration of the operation. More than half of the patients (52.5%) required blood transfusion and nearly three-quarters were anaemic prior to the surgery. Proactive pre-operative measures to optimize the patient's haemoglobin level and intra-operative minimization of blood loss are essential steps to obviate the need for perioperative allogeneic blood transfusion.
  7. Saw A, Chan CK, Penafort R, Sengupta S
    Med J Malaysia, 2006 Feb;61 Suppl A:62-5.
    PMID: 17042233
    Patients treated with external fixation for limb reconsturciton or fracture stabilization equire regular and prolongedperiod of pin-tract care involving frequent visits to clinic and dressing traditionally carried out by trained nurses or medical assistants. A simple method of do-it-yourself dressing was introduced in our institution and this study was undertaken to evaluate the effectiveness of the protocol. Sixty patients (40 trauma-related problems and 20 congenital or developmental disorders) were enrolled into the study. Following application of external fixation, the patients and/or their caretakers were taught on how to do pin-site dressing using normal saline or drinking water as cleansing solution on daily basis. Patients were discharged on the second or third post-operative day and were followed-up every two weeks for an average 182 days (range 66 to 379 days) with special attention on identifying pin-tract infection. A simple grading system for pin-tract infections was proposed. Of 40 patients with trauma-related problems. 65% were post-traumatic infections. There were 788 metal-skin interfaces (239 half-pin fixations and 549 tensioned wire fixations. A total 143 metal-skin interface infections (18.1%) involving half-pin sites (41.3%) and tensioned wire sites (58.7%) was noted. Majority were grade I infections (79.7%), 18.8% grade II and only 1.4% grade III. Most infections (81%)were caused by Staphylococcus aureus. Grade I infections were successfully treated with frequent dressing, grade II by adjunctive oral antibiotic but grade III infections required removal of fixator. All eventually healed. Do yourself non-sterile dressing of metal-skin interfaces is a cost-effective method of pin-site care with a low infection rate. The infections were sucessfully treated using guidelines according to the proposed classification of pin-tract infections.
  8. Saw A
    Med J Malaysia, 2005 Jul;60 Suppl C:8-10.
    PMID: 16381274
    For more than two decades extracorporeal shock wave lithotripsy has emerged as the standard therapy for calculi in the kidney and urinary tract, and biliary system. Application of extracorporeal shock waves in orthopaedics involves treatment of recalcitrant chronic pain of plantar fasciitis, tennis elbow and calcifying tendonitis of the shoulder. This review explores current evidence-based issues related to its potential use as a treatment option for some musculoskeletal conditions.
  9. Sharaf I, Saw A, Hyzan Y, Sivananthan KS
    Med J Malaysia, 2005 Jul;60 Suppl C:3-7.
    PMID: 16381273
    The tsunami which occurred off the west coast of North Sumatra on December 26, 2004 devastated the coastal areas of North Sumatra, South-West Thailand, South-East India and Sri Lanka killing more than a quarter of a million people. The destruction was enormous with many coastal villages destroyed. The other countries affected were Malaysia, Myanmar, Maldives, Bangladesh, Somalia, Kenya, Tanzania and the Seychelles. In January 2005, volunteers went in weekly rotation to Banda Aceh in collaboration with Global Peace Mission. These were Dr Hyzan Yusof, Dr Suryasmi Duski, Dr Sharaf Ibrahim, Dr Saw Aik, Dr Kamariah Nor and Dr Nor Azlin. In Banda Aceh, the surgical procedures that we could do were limited to external fixation of open fractures and debriding infected wounds at the Indonesian Red Crescent field hospital. In February, a team comprising Dato Dr K S Sivananthan, Dr T Kumar and Dr S Vasan spent a week in Sri Lanka. In Sri Lanka, Dato Sivananthan and his team were able to perform elective orthopaedic operations in Dr Poonambalam Memorial Hospital. We appealed for national and international aid and received support from local hospitals and the orthopaedic industry. International aid bound for Banda Aceh arrived in Kuala Lumpur from the Philippine Orthopaedic Association, the Chiba Children's Hospital in Japan and the Chinese Orthopaedic Association. The COA donated 1.5 tons of orthopaedic equipments. A special handing over ceremony from the COA to the Indonesian Orthopaedic Association was held in Putrajaya in March. Malaysia Airlines flew in the donated equipment to Kuala Lumpur while the onward flight to Aceh was provided by the Royal Malaysian Air Force. In April, Dr Saw Aik and Dr Yong Su Mei joined the Tsu-Chi International Medical Association for volunteer services on Batam Island, Indonesia. The MOA acknowledges the many individuals and organizations, both governmental and non-governmental, for their contributions in the humanitarian efforts.
  10. Kwan MK, Saw A, Sara Ahmad T
    Med J Malaysia, 2005 Mar;60(1):112-4.
    PMID: 16250295 MyJurnal
    We are reporting four cases of serious washing machine related injury that presented within a period of 5 months. All patients were young children with the mean age of 9 year-old and three had their dominant hand injured. The washing machines involved were the automatic top loader type and all injuries occurred during the spinning phase. Serious automatic washing machine injury is not uncommon in Malaysia. We feel that there is a need to improve the safety features especially during the spinning phase. The operating instructions and safety precautions on the washing machine should be displayed in different languages that can be understood well. Parents should also aware of the potential risks of this seemingly benign household appliance.
  11. Kwan MK, Penafort R, Saw A
    Med J Malaysia, 2004 Dec;59 Suppl F:39-41.
    PMID: 15941159
    Joint stiffness is one of the complications of limb procedure. It developes as a result of failure of knee flexors to lengthen in tandem with the bone, especially when there is inadequate physical therapy to provide active and passive mobilization of the affected joint. We are reporting four patients who developed fixed flexion contracture of their knees during bone lengthening procedure for the tibia with Ilizarov external fixator. Three of them were treated for congenital pseudoarthrosis and one was for fibular hemimelia. None of them were able to visit the physiotherapist even on a weekly basis. A splint was constructed from components of Ilizarov external fixator and applied on to the existing frame to passively extend the affected knee. Patients and their family members were taught to perform this exercise regularly and eventually near complete correction were achieved. With this result, we would like to recommend the use of this "Passive Knee Extension Splint" to avoid knee flexion Contracture during limb lengthening procedures with Ilizarov external fixators.
  12. Lee BYP, Mazelan A, Gunalan R, Albaker MZA, Saw A
    Med J Malaysia, 2020 09;75(5):510-513.
    PMID: 32918418
    INTRODUCTION: Most of the authors currently agree that congenital talipes equinovarus (CTEV) or idiopathic clubfoot can be effectively treated with the Ponseti method instead of extensive soft tissue surgery. This study was conducted to investigate whether there is a difference in the outcome between starting treatment before one month of age or after that age.

    METHODS: This is a retrospective study on babies with CTEV treated in University Malaya Medical Centre from 2013 to 2017. The 54 babies (35 boys and 19 girls) were divided into two cohorts, Group 1 that had treatment before the age of one month, and Group 2 that had treatment after one month old. The number of cast changes, rate of full correction, and rate of relapse after treatment were compared between the two groups.

    RESULTS: Of the 54 babies, with 77 CTEV treated during the period, our outcome showed that the mean number of cast change was 5.9 for Group 1 and 5.7 for Group 2. The difference was not statistically significant. All the affected feet (100%) achieved full correction. One foot in the Group 1 relapsed, while three feet in Group 2 relapsed, but the difference was also not statistically significant. All of the relapsed feet were successfully treated with repeated Ponseti method.

    CONCLUSIONS: Treating CTEV using Ponseti method starting after one month was not associated with more casting change of higher rate of relapse.

  13. Hossain MG, Saw A, Ohtsuki F, Lestrel PE, Kamarul T
    Singapore Med J, 2011 Nov;52(11):818-23.
    PMID: 22173252
    Secular changes in the head and body dimensions of the Japanese population were recorded during the last century, but studies on Japanese adult facial shape were poorly documented. This study aimed to document the secular changes in facial shape and their association with craniofacial measures of Japanese adult female students.
  14. Hossain MG, Saw A, Alam R, Ohtsuki F, Kamarul T
    Singapore Med J, 2013 Sep;54(9):516-20.
    PMID: 24068061
    INTRODUCTION: Cephalic index (CI), the ratio of head breadth to head length, is widely used to categorise human populations. The aim of this study was to access the impact of anthropometric measurements on the CI of male Japanese university students.

    METHODS: This study included 1,215 male university students from Tokyo and Kyoto, selected using convenient sampling. Multiple regression analysis was used to determine the effect of anthropometric measurements on CI.

    RESULTS: The variance inflation factor (VIF) showed no evidence of a multicollinearity problem among independent variables. The coefficients of the regression line demonstrated a significant positive relationship between CI and minimum frontal breadth (p < 0.01), bizygomatic breadth (p < 0.01) and head height (p < 0.05), and a negative relationship between CI and morphological facial height (p < 0.01) and head circumference (p < 0.01). Moreover, the coefficient and odds ratio of logistic regression analysis showed a greater likelihood for minimum frontal breadth (p < 0.01) and bizygomatic breadth (p < 0.01) to predict round-headedness, and morphological facial height (p < 0.05) and head circumference (p < 0.01) to predict long-headedness. Stepwise regression analysis revealed bizygomatic breadth, head circumference, minimum frontal breadth, head height and morphological facial height to be the best predictor craniofacial measurements with respect to CI.

    CONCLUSION: The results suggest that most of the variables considered in this study appear to influence the CI of adult male Japanese students.
  15. Chua YP, Tan WJ, Yahya TS, Saw A
    Singapore Med J, 2013 Nov;54(11):630-3.
    PMID: 24276099
    INTRODUCTION: Foot pain is a common problem, especially in women, and studies have shown that it is related to footwear. This study was conducted to establish the prevalence of nontraumatic foot pain and its contributing factors in young working Malaysian women in an urban setting.

    METHODS: The survey was conducted on a group of working women (age range 21-40 years) selected using convenience sampling. Data on foot problems was collected through an investigator-directed questionnaire and during clinical inspection of the foot.

    RESULTS: A total of 400 women, with a mean age of 29.4 years, were recruited. Half (n = 200) of the women had experienced recurrent nontraumatic foot pain in the past one year. Subjective assessments of foot pain using the Numeric Intensity Scale gave an average score of 4.89 ± 1.78 (range 2-10), with most episodes occurring at the heel. There was no statistically significant association between foot pain and age, ethnicity or body mass index. However, there was a higher incidence of foot pain in women wearing high-heeled footwear than those wearing non-high-heeled footwear (p = 0.027, odds ratio 1.591).

    CONCLUSION: Nontraumatic foot pain is common among young working women in our society. More than half (68.4%) of the women with foot pain in our study attributed the pain to footwear. Wearing high-heeled shoes to work was a significant contributing factor. Increased public awareness on the importance of proper footwear may help to reduce the prevalence of nontraumatic foot pain in working women.
  16. Saw A, Kwan MK, Sengupta S
    Singapore Med J, 2004 Apr;45(4):180-2.
    PMID: 15094988
    Acupuncture is used for some conditions as an alternative to medication or surgical intervention. Several complications had been reported, and they are generally due to physical injury by the needle or transmission of diseases. We report a case of life-threatening necrotising fasciitis that developed after acupuncture treatment for osteoarthritis of the knee in a 55-year-old diabetic woman. She presented with multiple discharging sinuses over the right knee. As the patient did not respond to intravenous antibiotics, extensive debridement was performed. She made a good recovery. Since many old diabetic patients with degenerative joint diseases may consider this mode of treatment, guidelines on cleanliness and sterility of this procedure should be developed and practiced.
  17. Saw A, Sallehuddin AY, Chuah UC, Ismail MS, Yoga R, Hossain MG
    Singapore Med J, 2010 Sep;51(9):702-8.
    PMID: 20938610
    The pattern of fracture, including the anatomical location and age distribution, may differ among urban and rural populations due to various factors such as the inhabitants' occupation and living environment.
  18. Phang ZH, Albaker M, Gunalan R, Lee AYX, Saw A
    Singapore Med J, 2021 Nov 08.
    PMID: 34749494 DOI: 10.11622/smedj.2021189
    INTRODUCTION: The aim of this study was to determine whether any change in degree of medial tibia plateau depression after extra-articular mechanical realignment surgery was observed in children with Blount's disease who presented late for treatment in their adolescent and young adulthood.

    METHODS: We retrospectively reviewed the radiographic parameters of 22 patients (32 lower limbs) with Blount's disease who underwent gradual correction of deformity surgery using ring external fixator without surgical elevation of the depressed medial tibial plateau at a mean age of 15 (10-37) years. Preoperative and postoperative angles of depressed medial tibia plateau (ADMTP) of the same patient were compared for any significant change. Normally distributed data were analysed using Student's t-test when comparing two groups or one-way ANOVA when comparing more than two groups. Skewed data were analysed using Mann-Whitney test.

    RESULTS: After extra-articular mechanical alignment surgery, statistically significant improvements in medial tibial plateau depression were seen in the Infantile (p = 0.03) and Juvenile (p = 0.04) Blount's subgroups. Change of ADMTP was greater in patients who were operated on at age < 17 years, before skeletal maturity (p = 0.001). The improvement was likely due to ossification of unossified cartilage at the posteromedial proximal tibia and remodelling potential of proximal tibia physis after mechanical realignment.

    CONCLUSION: Improvement of medial tibia plateau depression is possible after mechanical realignment without surgical hemiplateau elevation in cases of Infantile and Juvenile Blount's disease that present late for treatment, especially when the operation is performed before age 17 years old.

  19. Islam MA, Mamun A, Hossain MM, Bharati P, Saw A, Lestrel PE, et al.
    PLoS One, 2019;14(4):e0215733.
    PMID: 31022237 DOI: 10.1371/journal.pone.0215733
    BACKGROUND: Early initiation of breastfeeding (EIBF) is associated with better health of the mothers and reduced risk of neonatal mortality. The objective of this study was to determine the prevalence of EIBF and associated factors among Bangladeshi mothers.

    METHODS: The data was extracted from the Bangladesh Demographic and Health Survey (BDHS)-2014. A total of 4,092 married non-pregnant Bangladeshi mothers who had at least one child aged 2 years or younger were included in this study. A two-level logistic regression model was used to remove the clustering effect for finding the impact of socio-economic and demographic factors on EIBF.

    RESULTS: The prevalence of EIBF among Bangladeshi mothers was 51.4% (urban: 47.1% and rural: 53.4%). A two -level logistic regression model showed that mothers living in the Sylhet division (p<0.01) and rural environment (p<0.05) were more likely to practice EIBF. Mothers who were obese or overweight (p<0.01), had secondary (p<0.05) or higher education (p<0.01) were less likely to provide early breastfeeding to their newborn babies compared to their counterparts. Those who delivered by caesarian-section (p<0.01) were less likely to perform EIBF while those who attended an antenatal care clinic more than 3 times (p<0.05) were more likely to do so.

    CONCLUSIONS: About half of the Bangladeshi mothers did not start breast-feeding within one hour after birth. This study identified several geographical and socio-demographic factors that were associated with EIBF, and hope that this information will help the government to focus their resources to promote early breastfeeding.

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