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Kadir SM, Alam MK, Raihani MZ, Ali M, Rana M, Ahmed SF, Hossain MZ, Ahmmed S. Everting Sutures for Involutional Entropion: A Non-incision, Simple and Cost-Effective Technique. Mymensingh Med J 2023; 32:757-763. [PMID: 37391970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/02/2023]
Abstract
Entropion is one of the common eyelid marginal malposition and it causes irritation, and ulceration of the cornea that leads to visual loss of a patient. Patient may present with watering and foreign body sensation of the eye initially. Entropion may occur in the upper or lower eyelid. Involutional entropion is common and affected the lower eyelid. There are various non-surgical and surgical options to correct the entropion. Non-surgical procedures include taping the lower eyelid which relieves the entropion temporarily, botulinum toxin type-A injection into lower eyelid may temporarily relief the discomfort from entropion up to 6 months. This study was carried out to assess the outcome of the everting sutures for the correction of lower eyelid involutional entropion and to describe the cost effective of the procedure. A nonrandomized, non control group quasi experimental study was conducted in a Tertiary Eye Hospital, in Gopalganj, Bangladesh from January 2016 to December 2019. A less invasive everting sutures technique was applied for the correction of involutional entropion of eyelid. Follow up was maintained at regular intervals and we assess the outcome of the surgical techniques. We evaluated 33 eyes of 31 patients. The success rate was 87.88%. Recurrences were observed in 5(15.15%) eyelids in the 18 months follow up times. The time of the procedure was only 10 minutes, and the cost of the procedure was cheaper. Everting sutures was minimal invasive, non-incision, cost effective procedure for the correction of involutional entropion.
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Affiliation(s)
- S M Kadir
- Dr Syeed Mehbub Ul Kadir, Assistant Professor, Sheikh Fajilatunnesa Mujib Eye Hospital and Training Institute, Gopalgonj, Bangladesh;
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Alam QS, Alam MT, Sutrodhar PK, Islam MS, Hossain MM, Salam SI, Saha MK, Rahman MM, Hossain MZ, Roy MK. Outcomes of Varus Derotation Femoral Osteotomy By Angle Blade Plate in Legg-Calve-Perthes Disease for Patient Above Eight Years of Age in The Lateral Pillar B or B/C Group. Mymensingh Med J 2023; 32:677-680. [PMID: 37391959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/02/2023]
Abstract
Legg-Calve-Perthes disease (LCPD) that starts after 8 years (late onset) usually follow more aggressive course and the long-term outcome is also poor. Treatment method of LCPD that will produce best results is controversial particularly if the patients are with late-onset presentation. This prospective study was conducted from January 2015 to January 2019 at Dhaka Medical College Hospital and Health N Hope Hospital, Dhaka, Bangladesh. We evaluated the radiographic outcomes for patients who had varus derotation femoral osteotomy (VDRO). We followed up 16 patients who had femoral varus osteotomy. All patients were above 8 years of age at clinical onset. The involvement of femoral epiphysis was in either in B or B/C in lateral pillar classification. All patients had MRI done to confirm radiological diagnosis and classification. The mean age was 9.5 years (range, 8 to 12 years). Final outcome was evaluated by using the Stulberg classification which was radiological. Important exclusion criteria were patient with bilateral involvement and requirement of femoral varus >30 degree. We had 81.25% of our patient with satisfactory outcomes. Among them there were Stulberg grade I, 0 cases; Stulberg grade II, 13 cases (81.25%); Stulberg III, 3 cases (18.75%), Stulberg IV and V both 0 case each. The surgical outcomes for varus derotation femoral osteotomy in late onset LCPD patients over 8 years old were showing the good results than other modalities of non surgical and surgical methods.
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Affiliation(s)
- Q S Alam
- Dr Quazi Shahid-ul Alam, Assistant Professor of Paediatric Orthopaedics, Dhaka Medical College (DMC), Dhaka, Bangladesh; E-mail:
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Ahsan SB, Jahan AB, Begum K, Reza MT, Debnath MR, Hoshneara M, Saha K, Hossain MZ, Sangma MA, Banu NS. Role of Transabdominal Ultrasonogram for Evaluation of Placental Maturity in Relation with Fetal Gestational Age. Mymensingh Med J 2022; 31:992-997. [PMID: 36189543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
In this study our main goal is to evaluate the role of ultrasonography (USG) for determination of placental maturity and fetal gestational age. This cross-sectional study was done at the Department of Radiology and Imaging (USG section) Mymensingh Medical College and Hospital, Mymensingh from July 2008 to June 2010, where 60 patients included in this study, who was attending in the department of Radiology & Imaging for transabdominal ultrasonography with early and late pregnancy related complaints. In this study among the 60 patients, the youngest one was eighteen years and oldest one was thirty-nine years old age. Thirty five percent (35.0%) patients were from 26-30 years age group. About 33 patients out of 60(55.0%) were house wives. Most of the patients were presented with amenorrhea (65.0%) 39 out of 60. Among 60 patients, 20 patients (33.3%) were in gestational age within 12-28 weeks, 20 patients (33.3%) were in gestational age within 29-36 weeks and 20 patients (33.3%) were within >36 weeks gestational age. Among them, 20 patients (33.3%) had grade III placenta, 20 patients (33.3%) had grade II placenta, 12 patients (20%) had grade I placenta and 08 patients (13.3%) had grade 0 placenta. Out of 60 patients, 18 patients (30.0%) were in high risk group and 70.0% were normal. Six (6) patients (10.0%) suffered from HTN, 3 patients had RH negative (5.0%) blood group, 3(5.0%) patients suffered from APH, 3 patients suffer from DM and 3 from IUGR. In this study showed hypertension and IUGR had strong correlation with accelerated placental maturation. Maternal DM and Rh sensitization were associated with delayed maturation of the placenta. This study concludes that, USG appears to be the best imaging modality for the evaluation of placenta and its grading. USG is relatively less expensive and it is good considering the diagnostic accuracy in pregnancy profile. It is noninvasive procedure without any radiation hazards and better visualization of the lesion in different section, but this study is not a complete reflection of overall incidence and statistics regarding the ailment in our country. For this a more extensive study over a longer period covering different section of society is very much needed for better outcome.
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Affiliation(s)
- S B Ahsan
- Dr Syed Badrul Ahsan, Assistant Professor, Department of Radiology & Imaging, Mymensingh Medical College (MMC), Mymensingh, Bangladesh; E-mail:
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Hossain MT, Islam MA, Jahan N, Nahar MT, Sarker MJA, Rahman MM, Deeba F, Hoque KE, Aktar R, Islam MM, Hossain MZ, Siddiqua L, Mahbub Z, Islam MN. Mental Health Status of Teachers During the Second Wave of the COVID-19 Pandemic: A Web-Based Study in Bangladesh. Front Psychiatry 2022; 13:938230. [PMID: 35958639 PMCID: PMC9357994 DOI: 10.3389/fpsyt.2022.938230] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Accepted: 06/20/2022] [Indexed: 12/12/2022] Open
Abstract
Background Following the outbreak of the COVID-19 pandemic, the government of Bangladesh implemented strict non-therapeutic measures, i.e., "social distancing," "lockdown," "work from home," in the first quarter of 2020. Like other professionals, teachers at schools, colleges and universities were confined within households. However, the introduction of online education imposed an additional burden on teachers along with growing household responsibilities, thus, affecting their psychological state. Aims This study was aimed to explore the prevalence of mental health problems among teachers in Bangladesh and to identify the associated risk factors. Methods This web-based cross-sectional study was conducted during the second wave of COVID-19 pandemic in Bangladesh. Data were collected from 381 teachers working at schools, colleges, and universities between 01 August and 29 August 2021 by administering a self-reported e-questionnaire using Google Form, where the mental health of teachers was assessed by depression, anxiety, and stress scale. Data were analyzed using IBM SPSS Statistics (Version 26) and STATA Version 16, and multiple linear regression was executed to predict mental health problems among teachers. Results The findings indicate that the overall prevalence of depression, anxiety, and stress among teachers was 35.4%, 43.7%, and 6.6%, respectively. The prevalence was higher among male and older teachers than among their female and younger colleagues. The findings further showed that place of residence, institution, self-reported health, usage of social and electronic media, and fear of COVID-19 significantly influenced the mental health status of teachers. Conclusion It is strongly recommended that the government and policymakers provide proper mental health services to teachers in order to reduce mental health problems and thus sustain the quality of education during and after the pandemic.
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Affiliation(s)
- Md. Tanvir Hossain
- Sociology Discipline, Social Science School, Khulna University, Khulna, Bangladesh
| | - Md. Akhtarul Islam
- Statistics Discipline, Science, Engineering and Technology School, Khulna University, Khulna, Bangladesh
| | - Nusrat Jahan
- Sociology Discipline, Social Science School, Khulna University, Khulna, Bangladesh
| | - Mst. Tanmin Nahar
- Statistics Discipline, Science, Engineering and Technology School, Khulna University, Khulna, Bangladesh
| | - Md. Juwel Ahmed Sarker
- Department of Development Studies, Faculty of Social Science and Humanities, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh
| | - Md. Mostafizur Rahman
- Department of Disaster and Human Security Management, Faculty of Arts and Social Sciences, Bangladesh University of Professionals, Dhaka, Bangladesh
| | - Farah Deeba
- Department of Clinical Psychology, Faculty of Biological Sciences, University of Dhaka, Dhaka, Bangladesh
| | | | - Rina Aktar
- Sociology Discipline, Social Science School, Khulna University, Khulna, Bangladesh
| | - Md. Mazharul Islam
- Department of Sociology, Faculty of Social Science, Government Azizul Haque College, Bogura, Bangladesh
| | | | - Laila Siddiqua
- Architecture Discipline, Science, Engineering and Technology School, Khulna University, Khulna, Bangladesh
| | | | - Md. Nazrul Islam
- Forestry and Wood Technology Discipline, Life Science School, Khulna University, Khulna, Bangladesh
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Alauddin M, Hossain MZ, Rahman MM, Roy MK, Minto MR, Islam MA, Islam MK, Islam MS, Saha MK, Mahmud AA, Siddiquee TH, Seraji SI. Management of Neglected Rupture of Tendoachilles with Long Gap by Flexor Hallucis Longus Tendon Transfer. Mymensingh Med J 2022; 31:861-868. [PMID: 35780375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The tendo achilles is one of most important tendon in human body which often injured through direct trauma or indirect stress on a weakened tendon. Longer the duration after injury the injured parts likely to move apart, fibrosis and degeneration leading to difficulty in repair or reconstruction. Usually a phase of 4 weeks or more without specific treatment is regarded as chronic or neglected rupture. Different authors described many management protocols about the tendo achilles rupture but there is no procedure of choice for neglected rupture with long gap. Prospective case series of 21 patients of neglected tendo achilles rupture with long gap treated with flexor hallucis longus tendon (FHLT) transfer was taken for study from January 2019 to December 2020 in Mymensingh Medical College Hospital, Bangladesh. Average age of patients was 39.47 years with range 22-65 years. Fifteen (15) cases of traumatic rupture in this study with average age 32.66 years and pathologic 6 cases with average age 56.5 years were recorded. We grafted FHLT from channel by incising Henry's knot. Krackow et al.'s technique was followed for tendon mobilization and bone fixation. We made procedure simpler and cheaper; instead of using interference screw the sutured tendon pulled through the heel and anchored over rubber tube or button by Cole method. Post-operative complications were less with one patient with superficial infection which eventually recovered 3 cases of mild pain and 2 cases of numbness. Questionnaire for surgical outcome measure are satisfactory in 19 patients (90.47%). Final follow up AOFAS score at 6 month (91.61±5.41) was highly significant (p<0.001) in comparison to preoperative score (38.71±9.78). These are comparable to other study. Above mentioned scores indicate the reliability of the surgical system. But our study is a prospective case series with minimum cases. To establish the best procedure for neglected tendo achilles rupture with long gap we recommend further study with larger group and Randomized Controlled Trial (RCT) study among different procedure.
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Affiliation(s)
- M Alauddin
- Dr Md Alauddin, Assistant Professor, Department of Orthopaedics, Mymensingh Medical College (MMC), Mymensingh, Bangladesh; E-mail:
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Saha M, Hossain MZ, Gope S, Ahmed MU, Azad KI, Chowdhury ZR, Biswas P. Prevalence of Sonologically Detected Non-alcoholic Fatty liver disease Among School Children of Sylhet City. Mymensingh Med J 2022; 31:412-415. [PMID: 35383759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
This cross sectional descriptive type of observational study was designed to see the prevalence of NAFLD among school children of Sylhet, Bangladesh from December 2019 to January 2020. School children of three private schools of Sylhet City were randomly selected. Socio-demographic data and anthropometric measurement of them were recorded. Then they underwent screening sonologically for NAFLD. Data analysis was done using SPSS version 20.0. P value <0.05 was taken as significant. Total 174 students, boys 99(56.9%) and girls 75(43.1%) were included. Age of them varied from nine years to 17 years (mean 13.408). In this series 82(47.1%), 52(29.9%) and 40(23.0%) were of normal weight, overweight and obese children respectively. In this study 29(16.7%) children had NAFLD and seven (4.0%) had biliary sludge in gall bladder. NAFLD was significantly higher among children with higher BMI (p=0.00). Female sex, children consuming fast food and playing video games were about two times more prone to develop NAFLD. Biliary sludge was found significantly higher among children consuming fast food (p=0.02). NAFLD among school going children is not uncommon. Higher BMI is a significant risk factor of developing NAFLD. Girls and children consuming fast food and playing video games also are more prone to develop NAFLD. Prevalence of sludge in gall bladder is low among school children.
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Affiliation(s)
- M Saha
- Professor Dr Madhusudan Saha, Professor, Department of Gastroenterology, North East Medical College, Sylhet, Bangladesh; E-mail:
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Roy MK, Hossain MZ, Alam MT, Nandi B, Haque MN, Begum T, Islam MS. Prospective Study of Deterioration of Quality-of-Life among Elderly Women with Untreated Fracture of Neck of Femur in Rural Areas of Mymensingh, Bangladesh. Mymensingh Med J 2022; 31:61-65. [PMID: 34999681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Elderly women are very much prone to develop fracture at neck of femur sustained by even minute trauma. Most of the cases are due to fall. Osteoporosis gives rise to this vulnerable condition. In developing countries like Bangladesh the women of rural areas are the prime victims mostly due to illiteracy. To assess the quality-of-life (QOL) of elderly women (>60 years) with untreated hip fractures in a rural areas in Mymensingh, Bangladesh is the objective of this study. This prospective study was done from January 2019 to December 2019 in Orthopaedics and Traumatology Department of Mymensingh Medical Hospital, Mymensingh, Bangladesh. Twenty-five elderly women with untreated fracture neck of femur were enlisted in this study. EuroQol (EQ-5D) was applied to assess the Quality of life of subjects before and after the situation. Twenty-five elderly women of healed operated neck of femur were included as comparison group, matched for age, economic condition and educational status among neighborhood people. So, sample size was fifty. Wilcoxon signed rank test and Mann-Whitney U test were applied to compare EQ-5D mean scores. Participants with hip fracture, 60% (15/25), 68% (17/25), 68% (17/25), 60% (15/25) and 92% (23/25) reported severe problems with mobility, pain, usual activity, self-care and anxiety respectively. The EQ-5D mean score among the elderly with fracture neck of femur was 0.198 (SD 0.14). It was low when compared with the same subjects before the occurrence of the event (Z-6.522, p<0.001) and as compared with the comparison group (Z-7.92 p<0.001). QOL scores assessed using EQ-5D index scores was poor among elderly women with untreated fracture neck of femur as compared with the healed operated comparison group. Vast majority of study participants in this study were reported severe problems like mobility, pain, usual activity and self-care and anxiety.
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Affiliation(s)
- M K Roy
- Dr Malay Kumar Roy, Assistant Professor (Ortho-Surgery), Mymensingh Medical College (MMC), Mymensingh, Bangladesh; E-mail:
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Jahan AB, Sarwar JM, Ahsan SB, Hossain MZ, Debnath MR, Begum K, Sangma MA. The HRCT Evaluation of 105 Suspected COVID 19 Patients of MMCH and RT-PCR Correlation. Mymensingh Med J 2021; 30:960-966. [PMID: 34605463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
In this study our main goal is to evaluate the HRCT evaluation of 105 suspected COVID 19 patients of MMCH and RT-PCR correlation. This experimental and observational study was done at Mymensingh Medical College Hospital (MMCH), Mymensingh, Bangladesh from May 2020 to October 2020. Where 105 suspected COVID 19 patients of MMCH and RT-PCR correlation were included in the study. During the study, 43.05% of the patients exposed indirectly to the virus, followed by 44.1% didn't exposed any virus, 21% exposed directly. Diabetes mellitus was 35.7%, HTN - 46.2%, 82.95% had fever, 72.45% had cough, 78.75% had respiratory distress and 49.35% had no diseases. After CT scan diagnosis, positive to infection were found in 98 patients, among them 34 patients had mild type, 22 had severe type of infection where as in RT-PCR diagnosis 69 were positive and 36 were negative to infection. From our study we can conclude that, the most common pattern of COVID-19 pneumonia on HRCT images are pure GGO and GGO and Crazy Paving. Also GGO with consolidation with prominent distribution in the posterior and peripheral part of the lung. Further study is very much needed for better outcome.
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Affiliation(s)
- A B Jahan
- Dr Afroza Bilkis Jahan, Assistant Professor, Department of Radiology & Imaging, Mymensingh Medical College (MMC), Mymensingh, Bangladesh; E-mail:
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Haque AN, Uzzaman KS, Hasan MM, Hasan KR, Hasan MR, Hussain M, Saha MK, Islam MS, Rahman MM, Roy MK, Kamruzzaman M, Minto MR, Alam MT, Hossain MZ, Islam MN, Islam MS. Outcome of Danis-Weber Type-B ankle fracture treated by Pre-contoured Distal Fibular Locking Plate. Mymensingh Med J 2021; 30:644-650. [PMID: 34226450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Danis-Weber type-B ankle fracture is one of the most common injuries in young and active individual. This fracture offers a considerable challenge to orthopedic surgeon. Though there are several options for treating such type of fracture, ORIF by Pre-contoured Distal Fibular Locking Plate is the preferred option in the recent years. This descriptive type of observational study was performed from July 2017 to June 2019 in NITOR. Thirty (30) patients, 22 male and 8 female with an average age of 39 years with Danis-Weber type-B ankle fracture underwent ORIF by Pre-contoured Distal Fibular Locking Plate for fractured fibula and ORIF by 4.0mm cannulated cancellous screw for fractured medial malleolus. All the patients were initially managed by analgesic and short leg posterior slab. Average follow up was 24 weeks. Final outcome was assessed by AOFAS score. The main cause of injury was RTA (56.67%). Mean operation time was 1.2 hours. Mean duration of Hospital stay was 16.43±1.73 days. Superficial infection was in 3.33% and skin necrosis in 3.33% patient. Mean duration of radiological healing was 12.73±0.39 weeks. At final follow up, mean dorsi flexion was 10.93°±0.357° and plantar flexion was 50.93°±0.357°. Ninety percent (90%) patient had no difficulties in walking on any surface; 96.67% patient had stable ankle hind foot; 86.67% patient had good. Ten percent (10%) had fair and 3.33% patient had poor alignment of foot. The mean score in this study was 88.67±2.31. Satisfactory outcome was observed in 86.67% patients and 13.33% had unsatisfactory results. On the basis of results in the present study, it can be concluded that treatment of Danis-Weber type-B ankle fracture by Pre-contoured Distal Fibular Locking Plate is an effective and reliable method.
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Affiliation(s)
- A N Haque
- Dr AKM Nazmul Haque, Junior Consultant (Orthopedics), Department of Orthopedics, Mymensingh Medical College Hospital, Mymensingh, Bangladesh; E-mail:
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Hossain MZ, Roy MK, Mamun MA, Islam SI, Begum T, Minto MR, Islam MK, Alauddin M, Alam MT, Rahman MM. Clinical Outcome on Comminuted Femoral Shaft Fractures in Adults Treated by Minimally Invasive Plate Osteosynthesis (MIPO) with Locking Plate. Mymensingh Med J 2021; 30:657-665. [PMID: 34226452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Intramedullary nailing is a pillar in the treatment of femoral shaft fractures. But it is not possible in all cases especially in comminuted fractures. This study has been designed to explain the importance of Minimally Invasive Plate Osteosynthesis (MIPO) with the locking plate in the treatment of comminuted Femoral Shaft Fracture. Twenty (20) such patients were treated by MIPO and analysis has been done in this study to get fruitful result and to find out the effectiveness of this procedure who were admitted at Mymensingh Medical College Hospital, Mymensingh, a tertiary level hospital of Bangladesh from February 2018 to January 2019. Mean age of the patients were 49.20±14.41 years. Based on AO classification, there were 4, 8 and 8 patients belong to type A, B and C respectively. The union period for all the patients was in between 12 to 14 weeks. The mean union period was 12.90±1.997 weeks. Mean follow up period was 19.70±2.77 weeks. Mean full weight bearing period was 16.50±1.10 weeks. In Thoresen scoring system excellent result was 9(45%), good result was 10(20%) and fair result was 01(5%). Mal-alignment happened in two cases. However, delayed union and broken screws were found in two cases each of which was treated accordingly. Comminuted Femoral shaft fracture with MIPO procedure is more effective treatment than intramedullary nailing. Furthermore, mal-alignment is the basic complexity that must be taken away intraoperatively.
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Affiliation(s)
- M Z Hossain
- Dr Md Zakir Hossain, Assistant Professor, Department of Orthopedics, Mymensingh Medical College (MMC), Mymensingh, Bangladesh; E-mail:
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Alam MT, Alam QS, Alam MK, Islam MA, Saha MK, Rahman MM, Hossain MZ, Roy MK, Islam MK, Hossain M, Haque AN, Minto MR. Core Decompression with Non Vascularized Fibular Graft as Modern Surgical Treatment of Early Hip Avascular Necrosis. Mymensingh Med J 2021; 30:323-328. [PMID: 33830109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Cellular death of bone due to impairment of the blood supply leading to collapse resulting in pain, and loss of joint function is known as avascular necrosis (AVN). The head of femur is the most common bone affected by avascular necrosis followed by talus and scaphoid. We evaluate the results of core decompression with non-vascularized fibular graft in avascular necrosis of femoral head. This quasi experimental study was done at Mymensingh Medical College Hospital, Dhaka Medical College Hospital and some other private hospitals of Bangladesh. The study includes patients who underwent core decompression and non-vascularized fibular grafting in avascular necrosis of femoral head from January 2017 to December 2018. In this study we evaluated total 20 patients and majority of the patients belongs to the group of 20-30 years. Out of 20 patients, 8 of them were unilaterally involved rest 12 had bilateral involvement. Out of 24 hips of bilateral involvement 4 were grade III and IV (Ficat and Arlet classification) therefore not included in the study. So, we study 28 hips only. The average success rate was 90% after core decompression and non-vascularized fibular bone grafting. Harris hip score of 60 on presentation had poorer outcome. Patients with less than 80 degrees of flexion had poorer outcome.
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Affiliation(s)
- M T Alam
- Dr Mohammad Tariqul Alam, Assistant Professor, Paediatric Orthopaedics, Mymensingh Medical College (MMC), Mymensingh, Bangladesh; E-mail:
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Roy MK, Islam MS, Hossain MZ, Alauddin M, Alam MT, Sarkar TK, Banik SM, Nandi B, Ali MA, Begum T. Clinical Outcome in Intra Articular Distal Humerus Fractures in Adults Treated with Different Hardware in a Tertiary Level Hospital of Bangladesh. Mymensingh Med J 2021; 30:73-78. [PMID: 33397854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
In adults, distal humerus fractures are infrequent and frequently intra-articular. Customarily encompass both medial and lateral columns. Operative management gives constructive outcomes. The aim of this study was to evaluate clinical outcome in intra articular distal humerus fractures in adults treated by different hardware. This prospective study consists of 20 purposively selected patients with intra articular distal humerus fractures treated by surgical intervention with different hardware who were admitted to Mymensingh Medical College and Hospital, Bangladesh in between November 2016 to October 2018. Surgical approaches were standard dorsal with or without olecranon osteotomy. The mean age of the patients was 32.3 years, range between 18-55 years. The maximum patients i.e. 85% were between 18-45 years. Seventy percent (70%) of the cases admitted were due to Road traffic accident (RTA). Most of the patients were males 14(70%) with right upper limb was involved in 13(65%) cases. Mean Mayo Elbow Performance Score was 81.5 post-operatively. According to Mayo Elbow Performance (MEP) score clinical outcome was excellent in 20%, good in 50%, fair in 25% and poor in 10% of patients. Distal humerus fractures are censorious in nature. Proper anatomical articular reconstruction and stable fixation by surgical intervention helps in fruitful results.
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Affiliation(s)
- M K Roy
- Dr Malay Kumar Roy, Assistant Professor, Department of Orthopaedics, Mymensingh Medical College (MMC), Mymensingh, Bangladesh; E-mail:
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Rahman MM, Kabir SJ, Islam NA, Saha MK, Islam MS, Islam MA, Rahman MM, Hossain MZ, Rahman AM, Sayed A, Islam MN, Kabir KM, Hossain A. Outcome of Closed Reduction and Internal Fixation by Titanium Elastic Nailing for Fracture Shaft of Femur in Children. Mymensingh Med J 2020; 29:823-828. [PMID: 33116083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Femoral fractures are frequent in the pediatric population. Treatment options are based on the patient's age, fracture pattern, type of trauma and associated soft tissue injury. The traditional treatment method for pediatric femoral shaft fracture has been traction and spica casting. The immediate spica cast is safe and effective for children up to 6 years of age with isolated femoral fracture and acceptable reduction. Patients between 6 and 10 years of age can also be treated with spica casting with or without traction. This prospective study was done in the department of Orthopaedics, Mymensingh Medical College Hospital, Mymensingh, Bangladesh form from July 2015 to June 2019 to evaluate the outcome of closed reduction and internal fixation by titanium elastic nailing for fracture shaft of femur. Twenty patients, all presenting with fresh diaphyseal fractures of femur, treated with closed reduction and internal fixation by titanium elastic nailing. These patients were prospectively evaluated over a period of at least 18 months. Fractures were classified according to Association of Orthopaedics (AO) classification of shaft of femur fractures. According to AO classification, all were A1, A2, A3 fractures. Average age of the patients was 11±2.7 years; range was 6 to 16 years. There were 15 males and 5 females. Out of 20 cases treated with this method, stable fixation and union was achieved in all of them. Radiological union was achieved at an average of 10±2.3 weeks (8-15 weeks). The results were excellent in twelve patients (60%), successful in five (25%) and poor in three patients (15%) as per the scoring criteria for TEN. The effective treatment of diaphyseal fractures of the femur is intramedullary fixation by titanium elastic nailing in patients of the 6-16 years age group.
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Affiliation(s)
- M M Rahman
- Dr Md Matiur Rahman, Assistant Professor, Department of Orthopaedics, Mymensingh Medical College (MMC), Mymensingh, Bangladesh; E-mail:
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Kabir SJ, Rahman MM, Islam NA, Saha MK, Islam MS, Islam MA, Rahman MM, Hossain MZ, Sayed A, Islam MN, Kabir KM, Hossain A. Anterior Cruciate Ligament Reconstruction using Bone Patellar Tendon Bone Autograft in ACL Deficient Knee. Mymensingh Med J 2020; 29:815-822. [PMID: 33116082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
More than 120,000 anterior cruciate ligament (ACL) injuries occur every year in the United States, mostly during the high school and college years. The incidence of these injuries is slowly increasing, especially in females. This is likely caused by their increasing participation in high school and other organized sports. In addition, several studies have shown that female athletes are at an increased risk of ACL injury in sex comparable sports. The goal of this study was to evaluate the functional outcome of Arthroscopic anterior cruciate ligament reconstruction using Bone-Patellar tendon- Bone autograft. 25 patients with chronic ACL deficient knee presenting to Mymensingh Medical College Hospital (MMCH), Mymensingh, Bangladesh from January 2018 to December 2019 were included in the study. The patients with severe osteoarthritis (OA) knee, local active infection and systemic disease, intraarticular fracture of knee that might influence the study results were excluded from the study. Bone patellar tendon bone graft was harvested from ipsilateral knee. The patient was followed till 6 months with specified program of rehabilitation. Results were evaluated by an independent examiner using radiography, subjective and objective evaluation. Assessment using Lysholm's score was 50 (42-63) preoperatively and 90.8 (63-97) at the latest follow up (p<0.005). No patient complained of instability at latest follow up. The quadriceps muscle showed atrophy at final follow-up. Five Patients complained of anterior knee pain. We found no graft displacement on follow up radiographs. Osteo-integration occurred in all cases. ACLR with a BPTB graft can stabilize the knee without loss of motion by closely mimicking the native ACL without any hazards and additional complications. It is useful in high demand patients and cost effective option with high patient satisfaction rate for reconstruction of ACL.
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Affiliation(s)
- S J Kabir
- Dr Shah Jawaher Jahan Kabir, Associate Professor & Head, Department of Orthopaedics, Mymensingh Medical College (MMC), Mymensingh, Bangladesh; E-mail:
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Hossain MZ, Tong S, AlFazal Khan M, Hu W. Impact of climate variability on length of stay in hospital for childhood pneumonia in rural Bangladesh. Public Health 2020; 183:69-75. [PMID: 32438214 DOI: 10.1016/j.puhe.2020.03.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 03/04/2020] [Accepted: 03/20/2020] [Indexed: 11/28/2022]
Abstract
OBJECTIVES Pneumonia is a significant contributor to mortality and morbidity in children aged <5 years, and it is also one of the leading causes of hospitalisation for children in this age group. This study assessed the association between climate variability, patient characteristics (i.e. age, sex, weight, parental education, socio-economic status) and length of stay (LOS) in hospital for childhood pneumonia and its economic impact on rural Bangladesh. STUDY DESIGN An ecological study design was used. METHODS Data on daily hospitalisation for pneumonia in children aged <5 years (including patient characteristics) and daily climate data (temperature and relative humidity) between 1st January 2012 and 31st December 2016 were obtained from the Matlab Hospital (the International Centre for Diarrhoeal Disease Research, Bangladesh) and the Bangladesh Meteorological Department, respectively. A generalised linear model with Poisson link was used to quantify the association between climate factors, patient characteristics and LOS in hospital. RESULTS The study showed that average temperature, temperature variation and humidity variation were positively associated with the LOS in hospital for pneumonia. A 1°C rise in average temperature and temperature variation during hospital stay increased the LOS in hospital by 1% (relative risk [RR]: 1.010, 95% confidence interval [CI]: 1.001-1.018) and 9.3% (RR: 1.093, 95% CI: 1.051-1.138), respectively. A 1% increase in humidity variation increased the LOS in hospital for pneumonia by 2.2% (RR: 1.022, 95% CI: 1.004-1.039). In terms of economic impact, for every 1° C temperature variation during the period of hospital stay, there is an addition of 0.81 USD/day/patient as a result of direct costs and 1.8 USD/day/patient for total costs. Annually, this results in an additional 443 USD for direct and 985 USD for total costs. CONCLUSIONS Climate variation appears to significantly contribute to the LOS in hospital for childhood pneumonia. These findings may help policymakers to develop effective disease management and prevention strategies.
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Affiliation(s)
- M Z Hossain
- School of Public Health and Social Work, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Queensland, Australia.
| | - S Tong
- School of Public Health and Social Work, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Queensland, Australia; Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China; School of Public Health, Institute of Environment and Population Health, Anhui Medical University, Hefei, China.
| | - M AlFazal Khan
- Matlab Health Research Centre, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Mohakhali, Dhaka, 1212, Bangladesh.
| | - W Hu
- School of Public Health and Social Work, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Queensland, Australia.
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Sutradhar P, Kamrul-Hasan AB, Hossain MA, Sarwar-Jahan SM, Rahman MM, Mondol RN, Sarowar-E-Alam M, Dev S, Hossain MZ. Prevalence and Risk Factors of Hypertension among Government Employees Serving in Rangpur City, Bangladesh. Mymensingh Med J 2020; 29:142-148. [PMID: 31915350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
Abstract
Hypertension (HTN) is an important cause of cardiovascular mortality and the prevalence of hypertension is increasing particularly in middle- and low-income countries including Bangladesh. No data are available for the prevalence of hypertension among the government employees in Bangladesh. In this cross-sectional study, conducted from 30 October to 31 December 2016, 1219 government employees aging ≥18 years working in Rangpur city were evaluated for the presence of HTN and its risk factors. Socio-demographic and anthropometric data, data on the presence of various known risk factors of hypertension were collected. Hypertension was defined with systolic BP ≥140mmHg and/or diastolic BP ≥90mmHg or those getting treatment for hypertension. Statistical analysis was done by using SPSS version 23.0; odds of hypertension among subjects with risk factors were calculated and p ≤0.05 was considered to be statistically significant. The prevalence of hypertension was 38.3% among the study subjects. Significantly higher odds of having hypertension were observed in study subjects with the age groups of 35-49 (OR 2.12, 95% CI: 1.51-2.99, p<0.001) and ≥50 (OR: 4.96, 95% CI: 3.43-7.18, p<0.001) years than age group <35 years. Employees who were averagely satisfied and not satisfied for their jobs also had higher odds (OR: 1.38, 95% CI: 1.00-1.91, p=0.049 and OR: 1.48, 95% CI: 3.43-7.18, p=0.337) of having hypertension than fully satisfied ones. Having diabetes mellitus was found to increase the odds (OR 2.12, 95% CI: 1.51-2.99, p<0.001) of hypertension. Male gender, urban/suburban residence, not doing physical exercise, sedentary/light working habit, overweight/obesity also increased the odds of having hypertension though these were not statistically significant. There is a high burden of hypertension among the government employees in Rangpur city. Age, job satisfaction and diabetes were independent risk factors of hypertension.
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Affiliation(s)
- P Sutradhar
- Dr Probal Sutradhar, Junior Consultant (Medicine), Haragach 31 Bedded Hospital, Rangpur, Bangladesh
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17
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Hossain MZ, Hao T, Silverman B. Stillinger-Weber potential for elastic and fracture properties in graphene and carbon nanotubes. J Phys Condens Matter 2018; 30:055901. [PMID: 29271354 DOI: 10.1088/1361-648x/aaa3cc] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
This paper presents a new framework for determining the Stillinger-Weber (SW) potential parameters for modeling fracture in graphene and carbon nanotubes. In addition to fitting the equilibrium material properties, the approach allows fitting the potential to the forcing behavior as well as the mechanical strength of the solid, without requiring ad hoc modification of the nearest-neighbor interactions for avoiding artificial stiffening of the lattice at larger deformation. Consistent with the first-principles results, the potential shows the Young's modulus of graphene to be isotropic under symmetry-preserving and symmetry-breaking deformation conditions. It also shows the Young's modulus of carbon nanotubes to be diameter-dependent under symmetry-breaking loading conditions. The potential addresses the key deficiency of existing empirical potentials in reproducing experimentally observed glass-like brittle fracture in graphene and carbon nanotubes. In simulating the entire deformation process leading to fracture, the SW-potential costs several factors less computational time compared to the state-of-the-art interatomic potentials that enables exploration of the fracture processes in large atomistic systems which are inaccessible otherwise.
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Affiliation(s)
- M Z Hossain
- Laboratory of Mechanics and Physics of Heterogeneous Materials, Department of Mechanical Engineering, University of Delaware, Newark, DE 19716, United States of America
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18
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Hossain MZ, Rahman MM, Ullah MM, Mukthadira M, Akter FA, Jahan AB, Jahan F. A Comparative Study of Magnetic Resonance Imaging and Transabdominal Ultrasonography for the Diagnosis and Evaluation of Uterine Fibroids. Mymensingh Med J 2017; 26:821-827. [PMID: 29208870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Uterine fibroids often cause symptoms of pelvic pain, pressure, and bleeding and a significant cause of morbidity for women of reproductive age. A new, Food and Drug Administration approved noninvasive treatment option is magnetic resonance guided focused ultrasound surgery, which has the potential to become a treatment of choice for selected patients. The purpose of the study was to compare and evaluate the usefulness of MRI and transabdominal ultrasonography for the diagnosis of uterine fibroids. A cross sectional study was carried out in the department of Radiology & Imaging of Mymensingh Medical College Hospital, during the period of January' 2010 to December 2011. A total number of 40 consecutive patients having suspected uterine fibroids underwent MRI and transabdominal ultrasonography and they were followed up from the admission upto the tissue diagnosis of uterine fibroids for histopathological correlation were included in this study. The test of validity of MRI and transabdominal ultrasonography in diagnosis of uterine fibroids was calculated. In the diagnosis of uterine fibroids, USG was 88.2% sensitive, 66.7% specific, 85.0% accurate, 93.8% positive predictive values and 50% negative predictive values. However MRI was 97.1% sensitive, 83.3% specific, 95.0% accurate, 97.1% positive predictive values and 83.3% negative predictive values for prediction of uterine fibroids. The study shows that the MRI is more efficient diagnostic modality than transabdominal ultrasonography in detecting uterine fibroid presence and evaluation.
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Affiliation(s)
- M Z Hossain
- Dr Md Zakir Hossain, Assistant Professor (CC), Department of Radiology & Imaging, Jamalpur Medical College & Hospital, Jamalpur, Bangladesh
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Akter FA, Nahar K, Rahman MM, Ferdousi RA, Ahmed MU, Begum F, Biswas D, Alom M, Hossain MZ, Razi RZ. Response & Side Effects of Injectable Labetalol in Pregnancy Induced Severe Hypertension. Mymensingh Med J 2017; 26:608-613. [PMID: 28919617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The study was performed to assess the response & side effects of injectable Labetalol in the treatment of pregnancy induced severe hypertension. This interventional study was carried out on 72 patients having pregnancy induced severe hypertension attended in the Department of Obstetrics & Gynaecology, Mymensingh Medical College & Hospital (MMCH), Mymensingh, Bangladesh from November 2009 to October 2010. All patients were treated with intravenous Labetalol 20mg & the dose was repeated at sequential escalating dosages every 15 minutes until a therapeutic goal of systolic blood pressure <160mm of Hg & diastolic blood pressure <105mm of Hg were achieved. Among 72 respondents highest number were observed having systolic blood pressure 160-169 and 180 & above mm of Hg. The mean systolic & the diastolic blood pressure at the initiation of the study were observed 198±13.17mm of Hg & 119±8.6mm of Hg respectively. After use of injection Labetalol mean systolic blood pressure were 138.61±15.43mm of Hg, which is statistically significant (p value <0.001) & mean diastolic blood pressure were 96.18±9.7mm of Hg, which is also statistically significant (p value <0.001). It was observed that majority patients' blood pressure was controlled by 1-2 doses. It was noticed that injection Labetalol controls blood pressure in 80% antenatal cases & 86% postnatal cases. Out of 72 patients 4 cases (5.5%) experienced nausea & vomiting and only 1 case (1.1%) experienced headache. Regarding fetal outcome 48% patients delivered healthy baby, about 31% patients delivered asphyxiated baby & neonatal death were noticed in 4% cases. This study assessing the response & side effects of intravenous antihypertensive drug in the treatment of pregnancy induced severe hypertension shows that Labetalol fulfils the criteria of an antihypertensive drug for this purpose.
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Affiliation(s)
- F A Akter
- Dr Ferdows Ara Akter, Medical Officer, MCH & FP, Upazila Health Complex, Gouripur, Mymensingh, Bangladesh
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20
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Bakri MM, Hossain MZ, Razak FA, Saqina ZH, Misroni AA, Ab-Murat N, Kitagawa J, Saub RB. Dentinal tubules occluded by bioactive glass-containing toothpaste exhibit high resistance toward acidic soft drink challenge. Aust Dent J 2017; 62:186-191. [PMID: 27813093 DOI: 10.1111/adj.12484] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/30/2016] [Indexed: 01/19/2023]
Abstract
BACKGROUND Dentine hypersensitivity is a common problem attributed by patent dentinal tubules. Ingredients incorporated in toothpastes aim to occlude patent dentinal tubules to minimize the dentine hypersensitivity. However, frequent consumption of acidic soft drinks may reverse the dentinal tubules' occlusion. In this in vitro study, the efficacy of dentinal tubules occluded by commercially available toothpastes to withstand different durations of an acidic soft drink challenge was investigated. METHODS One hundred and twenty dentine discs were divided into three groups. The discs from each group were brushed with toothpaste containing bioactive glass, arginine and control toothpaste. Each group was then divided into four subgroups and exposed to acidic soft drink over four different time durations. RESULTS The scoring and the percentage of occluded dentinal tubules by Novamin-containing toothpaste was significantly better compared with arginine or the control toothpaste. Acidic soft drink challenge reduced the extent of dentinal tubules occlusion along with time. Dentinal tubules occluded by Novamin-containing toothpaste withstand the acidic challenge comparatively for a longer period. CONCLUSIONS The findings demonstrated that occlusion of dentinal tubules is more efficient by the bioactive glass-containing toothpaste and thus may contribute to its better resistance to acidic soft drink challenge.
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Affiliation(s)
- M M Bakri
- Department of Oral and Craniofacial Sciences, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
| | - M Z Hossain
- Department of Oral and Craniofacial Sciences, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia.,Department of Oral Physiology, School of Dentistry, Matsumoto Dental University, Shiojiri, Nagano, Japan
| | - F A Razak
- Department of Oral and Craniofacial Sciences, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
| | - Z H Saqina
- Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
| | - A A Misroni
- Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
| | - N Ab-Murat
- Department of Community Oral Health and Clinical Prevention, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
| | - J Kitagawa
- Department of Oral Physiology, School of Dentistry, Matsumoto Dental University, Shiojiri, Nagano, Japan
| | - R B Saub
- Department of Community Oral Health and Clinical Prevention, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
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Jahan AB, Ahmed MU, Begum M, Hossain MM, Rahman MM, Sarwar JM, Hossain MZ, Begum F, Saha PL, Haque S, Muktadira M. Ultrasonographic Evaluation of Palpable Breast Mass and Correlation with Histopathology. Mymensingh Med J 2017; 26:223-229. [PMID: 28588154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Breast cancer is the most common malignancy in women and the second most common cause of cancer-related mortality. The distinction by physical examination of physiologic nodularity from abnormal masses can be difficult, while the clinical differentiation of a malignant mass from a benign one is difficult; the medical as well as potential legal consequences of missing a palpable carcinoma are high. There are significant number of reported cases of false-negative findings on mammography and the great desire not to miss a malignant lesion in the early stage of disease lead to aggressive biopsy, but the biopsy rate for cancer is only 10.0% to 30.0%. This means that 70.0% to 90.0% of breast biopsies are performed for benign diseases, which induce unnecessary patients discomfort and anxiety in addition to increasing costs to the patient. Clearly, there is a great need for development of additional reliable methods to complement the existing diagnostic procedures to avoid unnecessary biopsy. This cross sectional study was carried out on 43 patients having palpable breast mass, attended in the Department of Radiology and Imaging Mymensingh Medical College Hospital, Mymensingh from 1st January 2012 to 31st December 2013 for the period of two year. These patients were evaluated by USG at the Department of Radiology and Imaging and histopathological examination at the Department of Pathology of the same College to confirm the diagnosis. In diagnosis of malignant mass by USG, 9(20.9%) cases were diagnosed as malignant and 34(79.1%) cases as other than malignant. Eight out of 9 were sonographically diagnosed as malignant lesions also proved as malignant lesion by histopathology and 1 other than malignant. Out of 34 sonographically diagnosed cases of other than malignant lesions 32 were proved histopathologically and 2 did not match with sonographic findings. USG, in diagnosis of malignant lesion, sensitivity was 80.0%, specificity 96.97%, positive predictive value (PPV) (88.89%), negative predictive value 94.12% and accuracy was 93.02% and comparable to other study. In diagnosis of benign lesion by USG, sensitivity was 96.97%, specificity 80.0%, positive predictive value (PPV) (94.12%), negative predictive value 88.89% and accuracy was 93.02%. So, USG is an appropriate imaging method for diagnosis & differential diagnosis of palpable breast mass.
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Affiliation(s)
- A B Jahan
- Dr Afroza Bilkis Jahan, Radiologist, Department of Radiology & Imaging, Mymensingh Medical College Hospital (MMCH), Mymensingh, Bangladesh
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Islam MM, Hossain MZ. Orthodontic Management of A Young Girl with Class II Div1 Malocclusion. Mymensingh Med J 2015; 24:845-850. [PMID: 26620029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
We describe the treatment of a young girl age, 25 years, with Class II Div1 malocclusion. She presented with an over jet of 12 mm, and the overbite was 10 mm and incomplete. Teeth on upper anterior segment of jaw were proclined and spaced. Teeth on lower jaw were crowded with buccaly placed 1st premolar on right side. Molar relationship was Class II on both sides. Incisior relation was class II div1. Her oral hygiene was good. Treatment consisted mainly of premolars extractions, canine retraction, labeling and alignment with Edgewise fixed appliances by multi loops technique. Once the canine retraction was complete, arch contraction was accomplished with 0.016×0.022 inch closing-loop arch wires followed by finishing with 0.014 inch round wires. The treatment resulted in Class I molar occlusion with proper alignment of both upper and lower anterior segment, an ideal over jet, overbite and incisor angulation.
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Affiliation(s)
- M M Islam
- Dr Md Monuwarul Islam, Assistant Professor and Head, Dental Unit, Mymensingh Medical College, Mymensingh, Bangladesh
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Hossain MZ, Floryan JM. Natural convection in a horizontal fluid layer periodically heated from above and below. Phys Rev E Stat Nonlin Soft Matter Phys 2015; 92:023015. [PMID: 26382511 DOI: 10.1103/physreve.92.023015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2015] [Indexed: 06/05/2023]
Abstract
Natural convection in a horizontal slot heated from above and from below has been considered. Each heating has a certain spatial distribution. It has been demonstrated that a wide variety of convection patterns can be generated by changing the relative position of both heating patterns. A significant intensification of convection, compared to convection resulting from heating applied at one wall only, results if there is no phase shift between both patterns, while a significant reduction of convection results from the phase shift corresponding to half of the heating wavelength. The system generates a nonzero mean shear stress at each wall for all phase shifts except shifts corresponding to half of and one full heating wavelength. This effect, which is generated within one convection cell, gives rise to a global force which may lead to a thermally induced drift of the walls if such a drift was allowed.
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Affiliation(s)
- M Z Hossain
- Department of Mechanical and Materials Engineering, The University of Western Ontario, London, Ontario, Canada N6A 5B9
| | - J M Floryan
- Department of Mechanical and Materials Engineering, The University of Western Ontario, London, Ontario, Canada N6A 5B9
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Pasha K, Sengupta P, Alauddin S, Sheikh AK, Hossain MZ, Sumon SM. Transient Loss of Vision after Coronary Angiogram - A Case Report. Mymensingh Med J 2015; 24:615-618. [PMID: 26329965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
A 50-year old, diabetic, hypertensive patient with post-CABG status developed complete loss of vision about one hour after coronary angiogram (CAG). Thorough ophthalmological and neurological examination as well as magnetic resonance imaging of brain especially of the occipital region revealed no abnormality. The patient had complete recovery of vision about 48 hours later. We could not document any specific cause or mechanism for the visual loss, although the selective vulnerability of occipital lobes to contrast agent toxicity (Cortical blindness) was the most likely underlying mechanism.
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Affiliation(s)
- K Pasha
- Dr Kamal Pasha, Associate Consultant of Cardiology, Square Hospitals Ltd. Dhaka, Bangladesh
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Joarder MA, Karim B, Kamal T, Suzon SI, Akhter NN, Islam K, Hossain MZ, Mollik A, Sultana S, Shankar DRK, Chandy M. A case report on interhemispheric epidermoid tumor. Pulse (Basel) 2015. [DOI: 10.3329/pulse.v7i1.23250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
A 30 year old man admitted with the complaints of generalized convulsions, headache and amnesia. The radiological and neuro-pathological findings were interhemispheric epidermoid tumor, which is a rare location. The tumor was removed completely. The diagnosis and management of epidermoid tumors are discussed by reviewing the literature.Pulse Vol.7 January-December 2014 p.46-49
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Joarder MA, Karim AKMB, Kamal T, Sujon T, Akhter N, Islam K, Hossain MZ, Mollik A, Sultana S, Shankar DRK, Jahangir SM, Chandy M. Retrospective comparison of decompressive hemicraniectomy and hematoma evacuation for spontaneous supratentorial intracerebral hematoma. Pulse (Basel) 2015. [DOI: 10.3329/pulse.v7i1.23245] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Objectives: The aim of this study was to test the hypothesis that decompressive hemicraniectomy (DHC), compared with craniotomy with evacuation of hematoma, and would improve clinical outcomes of patients with supratentorial intracerebral hemorrhage (SICH).Methods: We compared patients (November 2008February 2014) with supratentorial ICH treated with DHC without hematoma evacuation and craniotomy with hematoma evacuation. DHC measured at least 150 mm and included opening of the dura. We analyzed clinical, radiological, and surgical characteristics. Outcome at 6 months was divided into good (modified Rankin Scale 04) and poor (modified Rankin Scale 56).Results: Fifteen patients (mean age 58 years) with ICH were treated by DHC. Median hematoma volume was 61 ml and mean preoperative Glasgow Coma Scale (GCS) was 7. Ten patients had good and five had poor outcomes. In hematoma evacuation group 29 patients were treated. Median hematoma volume was 55 ml and mean preoperative Glasgow Coma Scale (GCS) was 8. Seventeen patients had good and twelve had poor outcomes.Conclusions: DHC is more effective than hematoma evacuation in patients with SICH. Based on this small cohort, DHC may reduce mortality. Larger prospective study is warranted to assess safety and efficacy.Pulse Vol.7 January-December 2014 p.16-21
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Islam MM, Hossain MZ, Rahman MM. Orthodontic management of a young girl with class I malocclusion and severe crowding: a case report. Mymensingh Med J 2015; 24:399-403. [PMID: 26007273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
We describe the treatment of a young girl age, 16 years, with Class I malocclusion. Both upper and lower anterior segment of jaws were crowded with buccally placed canines. Treatment consisted mainly of premolars extractions, canine retraction, labeling and alignment with Edgewise fixed appliances by multiloop technique. The patient did not show good cooperation, hence treatment time was prolonged. However the treatment resulted in Class I molar occlusion with proper alignment of both upper and lower anterior segment, an ideal overjet, overbite and incisor angulation.
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Affiliation(s)
- M M Islam
- *Dr Md Monuwarul Islam, Assistant Professor and Head, Dental Unit, Mymensingh Medical College, Mymensingh, Bangladesh
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Hossain MZ, Floryan JM. Natural convection in a fluid layer periodically heated from above. Phys Rev E Stat Nonlin Soft Matter Phys 2014; 90:023015. [PMID: 25215828 DOI: 10.1103/physreve.90.023015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2014] [Indexed: 06/03/2023]
Abstract
Natural convection in a horizontal layer subject to periodic heating from above has been studied. It is shown that the primary convection leads to the cooling of the bulk of the fluid below the mean temperature of the upper wall. The secondary convection may lead either to longitudinal rolls, transverse rolls, or oblique rolls. The global flow properties (e.g., the average Nusselt number for the primary convection and the critical conditions for the secondary convection) are identical to those of the layer heated from below. However, the flow and temperature patterns exhibit phase shifts in the horizontal directions.
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Affiliation(s)
- M Z Hossain
- Department of Mechanical and Materials Engineering, The University of Western Ontario, London, Ontario, Canada N6A 5B9
| | - J M Floryan
- Department of Mechanical and Materials Engineering, The University of Western Ontario, London, Ontario, Canada N6A 5B9
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Sasaki R, Hossain MZ, Abe N, Uchigashima M, Goto T. Development of an analytical method for the determination of sterigmatocystin in grains using LCMS after immunoaffinity column purification. Mycotoxin Res 2014; 30:123-9. [PMID: 24696064 DOI: 10.1007/s12550-014-0196-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2013] [Revised: 03/14/2014] [Accepted: 03/17/2014] [Indexed: 11/29/2022]
Abstract
The mycotoxin sterigmatocystin (STC) is produced mainly by some Aspergillus and Penicillium fungi; it naturally contaminates cereals, peanuts, and products derived from these crops, and is both mutagenic and carcinogenic. As an intermediate of aflatoxin (AF) biosynthesis, its structure is similar to that of AF. Although immunoaffinity columns (IACs) are a popular approach to sample clean-up, no IAC is commercially available for STC, but a commercially available IAC for AF shows cross reactivity to STC. We here developed a new method for analyzing STC in grains using such an IAC and liquid chromatography mass spectrometry (LCMS), and validated this method using six different grains. The STC limit of detection (signal-to-noise ratio, S/N = 3) was 2.5 pg (1.0 μg/kg in the product), and the calibration curve was linear in the range of 7.5-375 pg (3.0-150 μg/kg in the product). The within-day recovery of STC from samples spiked with STC at 5.0 and 50 μg/kg was 83.2-102.5% and the RSDr (relative standard deviation of repeatability) of these samples was 1.9-6.5%; the RSDr of STC-pretreated grain samples was 3.1-14.0%. Average recovery of STC from samples spiked with STC in the range of 5.0-100 μg/kg STC was 83.2-102.5%, with an RSDr of 0.24-6.5%; the RSDr of STC-pretreated grain samples was 2.4-14.0%. In an intermediate precision study, the average STC recovery from STC-spiked samples by three analysts was 95.2-107.5%, with RSDRi (intermediate precision) of 4.0-7.1%; the RSDRi of the STC-pretreated samples was 4.8-10.4%. Thus, the proposed method was effective for STC analysis in grains, and holds potential for a novel application of a commercial IAC, intended for AFs, in STC analysis.
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Affiliation(s)
- R Sasaki
- Faculty of Agriculture, Shinshu University, 8304 Minami-minowa-Mura, Kamiina, Nagano, 399-4598, Japan
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Hasan GZ, Saleh FM, Hossain MZ, Amin MR, Siddiqui TH, Islam MD, Chakraborty S. Antibiotic prophylaxis is unnecessary in clean surgery. Mymensingh Med J 2013; 22:342-344. [PMID: 23715359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
A significant number of paediatric surgical patients undergone clean surgical procedures. Most of the paediatric surgeon use perioperative prophylactic antibiotic in this clean procedure because of undue fear of infection in their mind. The objective of this study is to evaluate whether the use of perioperative prophylactic antibiotics have an effect to prevent post operative wound infection in clean operation in paediatric surgical patients. This study was conducted in the paediatric surgery department of Bangabandhu Sheikh Mujib Medical University and some private clinics of Dhaka city from January 2009 to December 2009. Two hundred patients who were undergone clean elective surgical procedure on day case basis were included in this study. They were divided into two equal groups (Group A and Group B). The patients of Group A were given intransverse Cephradine 30 minutes before incision and then oral Cephradine was advised postoperatively for 7 days. The patients of Group B were not given any perioperative antibiotic. All the patients of both groups were advised to come on 3rd, 6th and 10th postoperative day for examination of wound. In Group A (With chemo prophylaxis), five patients (5%) developed postoperative wound infection and in Group B (without chemo prophylaxis), three patients (3%) developed postoperative wound infection. Thus the rate of postoperative wound infection is slightly more in patients with chemo prophylaxis but it was not statistically significant by chi-square test. Based on the result of this study, it may be concluded that the antibiotic prophylaxis is not necessary in clean surgery in paediatric age group.
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Affiliation(s)
- G Z Hasan
- Department of Paediatric Surgery, Bangabandhu Sheikh Mujib Medical University (BSMMU), Shahbagh, Dhaka, Bangladesh.
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Alam N, Chowdhury AW, Hossain MZ, Khondoker MAH, Mallik MU, Amin MR, Hasan GMS. Serum homocysteine levels in patients with acute myocardial infarction. ACTA ACUST UNITED AC 2013. [DOI: 10.3329/jdmc.v21i1.13234] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
DOI: http://dx.doi.org/10.3329/jdmc.v21i1.13234 J. Dhaka Med. Coll. 2012; 21(1): 23-27
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Hasanuzzaman M, Hossain ME, Islam MM, Begum MR, Chowdhury S, Hossain MZ. Performance of Red Chittagong cattle in some selected Areas of Chittagong district of Bangladesh. ACTA ACUST UNITED AC 2012. [DOI: 10.3329/bjas.v41i1.11973] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
A survey was conducted to estimate the productive and reproductive performances of RCC in Rawjan, Chandanaish, Potia, Satkania and Anowara upazillas of Chittagong, Bangladesh. The farmers of the study areas holding Red Chittagong Cattle (RCC) were divided into large (>1.50 acre), medium (>1.0-1.5 acre), marginal (>0.5-1.0 acre) and landless (>0-0.5 acre) categories. Existing feeding and rearing practices, productive and reproductive performances of RCC were investigated. It was found that, most of the RCCs (82%) were reared mainly by the marginal farmers. In between May to September, there was a severe shortage of feeds and fodders for RCC. However, despite severe shortage, the farmers were not interested to cultivate fodder. The degree of shortage for feed round the year had significant variation (p<0.01) among the farmers of all categories. Similar to feed shortage, the tendency of growing non-legume crops had marked variation (P<0.01) among the farmers of all categories. Birth weight, weaning weight, daily milk yield, lactation length, calving interval, age at first service, age at first calving and gestation length were 14.5 kg, 64.6 kg, 2.1 liters, 216 days, 14 months, 2.7 years, 42 months and 279.9 days respectively. It could therefore be inferred that, productivity of RCC may be increased by improving feeding systems in the study areas.http://dx.doi.org/10.3329/bjas.v41i1.11973
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Hossain MZ, Hasan GZ, Siddiqui TH. Congenital bladder diverticulum causing acute urinary retention in an infant. Mymensingh Med J 2012; 21:360-362. [PMID: 22561787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Congenital bladder diverticula (CBD) are unusual but not rare in childhood. Report of acute urinary retention due to congenital bladder diverticula are rarely found in the literature. Here we report a case of congenital bladder diverticulum with acute urinary retention in a ten months old male infant. Urinary tract infection and urinary retention are the most frequent presentation forms. In this case CBD produce urinary obstruction as a result of compression of the urethra which causes urinary retention. Voiding cystourethrogram revealed a large bladder diverticulum. Bladder diverticulum should be a differential diagnosis in male children, presenting with urinary retention, fever and an abdominal mass. Ultrasonography, voiding cystourethrogram & cystoscopy confirm the diagnosis and diverticulectomy was successfully done for the child.
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Affiliation(s)
- M Z Hossain
- Department of Paediatric Surgery, Bangabandhu Sheikh Mujib Medical University, Shahbagh, Dhaka, Bangladesh.
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Siddiqui TH, Amin MR, Bashar MA, Ahmed Z, Matin A, Hasan GZ, Islam MD, Hossain MZ. Melanotic neuroectodermal tumour of infancy. Mymensingh Med J 2011; 20:312-315. [PMID: 21522107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Melanotic neuroectodermal tumour in infancy is rare, mainly benign with little tendency to recur after excision or effective curettage. This pigmented neoplasm of neural crest origin occurring in infants before 1 year of age. The most common site of occurrence is the anterior maxillary alveolar ridge (70%), following by the skull, brain and mandible. The genital organ is the most frequent extra cranial site. We report a 6 months old male baby with a similar tumour arising from right half of cheek involving the maxilla. We diagnosed the case after histological report. We remove the tumour through a sub-labial incision. The mass was blackish in colour, and was mobilized from all side including from the maxillary sinuses. The author thought that this should be reported for improving the clinical awareness and treatment of pigmented soft tissue mass in children. Almost one year follow up of the patients showed no recurrence.
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Affiliation(s)
- T H Siddiqui
- Department of Paediatric Surgery, Bangabandhu Sheikh Mujib Medical University, Shahbagh, Dhaka, Bangladesh.
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Das BK, Matin A, Hassan GZ, Hossain MZ, Zaman MA. Congenital muscular torticollis: experience of 14 cases. Mymensingh Med J 2010; 19:555-560. [PMID: 20956899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Congenital Muscular Torticollis (CMT) is a postural deformity of head and neck detected at birth or shortly after birth, primarily resulting from unilateral shortening of Sternocleidomastoid Muscle (SCM). In neonates and infants, patient may cure conservatively by physiotherapy but surgery is the treatment of choice for children and adolescents. There are various techniques of surgery. Here we show our experience regarding management of congenital muscular torticollis. In the present retrospective case series, fourteen patients of congenital muscular torticollis were treated. The cases were enrolled between Nov' 2005 to Oct' 2007 in Bangabandhu Sheikh Mujib Medical University, Gonosasthaya Somaj Vittik Medical College Hospital, Dhaka and different private clinics of Dhaka city of Bangladesh. Neonates and infants were treated conservatively with physiotherapy and others treated surgically by transection of both sternal and clavicular head of SCM under general anesthesia. Operated patients were released on following post operative day with advised to do physiotherapy. Patients age range from 7 days to 15 years of which ten were female and four male. SCM was shortened in all cases (8 on right side and 6 on left side). Eleven were female and three male. Of 14 patients, 2 neonates, 7 infants and 5 were more than 1 year age. There was no associated anomaly. Out of 9 neonates and infants 8 cured conservatively with physiotherapy and another one significantly improved. Six were treated surgically including one failed physiotherapy. Post operative period was uneventful and there was no complication. Results were evaluated clinically and comments of peers. Most of the patient of congenital muscular torticollis can be treated conservatively during infancy. Division of both sternal and clavicular head of SCM is easy and safe surgical technique for the treatment of CMT of older children and adolescents.
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Affiliation(s)
- B K Das
- Department of Pediatric Surgery, ZH Sikder Women's Medical College, Dhaka, Bangladesh.
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Hossain MZ, Atiqullah S, Saha AC, Chowdhury AJ, Jahangir KM, Faiz MA. A fatal cobra-bite in a snake expert. Mymensingh Med J 2010; 19:303-307. [PMID: 20395931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
A 35-year-old so called snake-expert from Thakurgaon district was admitted in Medicine department of Rangpur Medical College Hospital (RpMCH), Rangpur, Bangladesh on 2nd November 2007 with history of bites by a cobra snake. He was famous for his outstanding works to establish a snake farm first ever in Bangladesh. He had a collection of more than one hundred snakes of different species. He used to hatch eggs of the snakes, feed the young-snakes, collect venoms and sell those. Everyday many visitors used to visit his farm to watch exciting games with poisonous snakes. Several satellite television (TV) channels and some daily newspapers had covered him on different occasions. He was accidentally bitten by a newly caught hungry cobra snake while recording for a satellite TV channel. Following bites he was brought to the hospital three and a half hours later. By that time, neurotoxicity developed. Repeated doses of Anti Snake Venom (ASV) along with respiratory support and other supportive cares were provided. Despite utmost care feasible at RpMCH, patient expired around 49 hours later.
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Affiliation(s)
- M Z Hossain
- Department of Medicine, Rangpur Medical College (RpMCH) and Hospital, Rangpur, Bangladesh
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Hossain MZ, Medhekar NV, Shenoy VB, Johnson HT. Enhanced quantum confinement due to nonuniform composition in alloy quantum dots. Nanotechnology 2010; 21:095401. [PMID: 20124666 DOI: 10.1088/0957-4484/21/9/095401] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Strain and nanoscale variations in composition can significantly alter the electronic and optical properties of self-assembled alloy quantum systems. Using a combination of finite element and first-principles methods, we have developed an efficient and accurate technique to study the influence of strain and composition on the quantum confinement behavior in alloy quantum dots. Interestingly, we find that a nonuniform distribution of alloy components can lead to an enhanced confinement potential that allows a large quantum dot to behave electronically in a manner similar to a much smaller dot. The approach presented here provides a general means to quantitatively predict the influence of strain and composition variations on the performance characteristics of various small-scale alloy systems.
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Affiliation(s)
- M Z Hossain
- Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, IL 61801, USA
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Haque MA, Hossain MZ, Kabir MH, Akanda NI, Hossain MB. Interlocking intramedullary nailing in fracture shaft of the femur. Mymensingh Med J 2009; 18:159-164. [PMID: 19623140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
This prospective study was done to evaluate the result of interlocking intramedullary nailing in fracture shaft of the femur under the Department of Orthopaedic Surgery in Mymensingh Medical College Hospital during the period of January 2007 to December 2008. In this study total 66 patients were purposively selected for interlocking nailing initially but 6 patients did not report in subsequent follow up. So, the result of the study was based on 60 patients. There were 38 males and 22 females with the age range of 18 to 70 years, with an average age of 34 years. Motor vehicle accident was the most common cause of the fracture shaft of the femur (60%) and the second most common cause was fall from height (20%). Right sided involvement was more (66.67%). Majority of the patients had fracture lower third of the femur (70%). Among the patients farmer was the most common (33.33%) group and the next was housewife. The mean union time was 17 weeks with the range of 14 to 30 weeks. Postoperative complications were found, such as infection (3.33%) and nonunion (1.66%). The functional outcome of this study was evaluated by Klemm & Borner criteria. Excellent functional outcome was found in 80%, good in 15% and fair in 5%.
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Affiliation(s)
- M A Haque
- Upazilla Health Complex, Gafargaon, Mymensingh, Bangladesh
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Uematsu H, Hossain MZ, Alam T, Ikeda T, Kuvatanasuchati J, Hoshino E. Degradation of serine-containing oligopeptides by Peptostreptococcus micros ATCC 33270. ACTA ACUST UNITED AC 2007; 22:381-3. [PMID: 17949340 DOI: 10.1111/j.1399-302x.2007.00374.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND/AIMS Microorganisms of Peptostreptococcus micros are asaccharolytic, anaerobic gram-positive cocci that are frequently isolated from human oral sites such as periodontal pockets. Preliminary study showed that several amino acids, including serine, enhanced slightly the growth of P. micros. Therefore, we investigated the degradation of serine and serine-containing oligopeptides. METHODS Metabolic end products were determined with high-performance liquid chromatography. The related enzymatic activities in cell-free extract were also assayed. RESULTS Washed P. micros degraded serine-tripeptides (Ser-Ser-Ser), and produced formate, pyruvate, acetate, and ammonia. They also degraded serinyl-tyrosine (Ser-Tyr) to the same products. Related enzymatic activities, such as serine dehydratase, pyruvate formate-lyase, formate dehydrogenase, pyruvate oxidoreductase, phosphate acetyltransferase, and acetate kinase, were detected in the cell-free extract, indicating that the organisms produced ATP in the serine metabolism. CONCLUSION P. micros utilized serine-containing oligopeptides as exogenous metabolic substrates rather than serine itself, and degraded Ser-Ser-Ser and Ser-Tyr to formate, pyruvate, acetate, and ammonia with ATP generation.
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Affiliation(s)
- H Uematsu
- Oral Ecology in Health and Infection, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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Wahed F, Latif SA, Uddin MM, Mahamud MM, Sarker D, Hossain MZ. Persistence of low serum iron and high total iron binding capacity in pregnant women. Mymensingh Med J 2007; 16:132-6. [PMID: 17703147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
A cross sectional descriptive type of study was done in 98 women of reproductive age. Among them 25 were in control group of non pregnant women and 73 were pregnant women of 1st, 2nd and 3rd trimester of pregnancy with and without iron supplementation. The period of study was July 2004 to June 2005. The main objective of our study was to compare serum iron and total iron binding capacity in pregnant and non pregnant women. In present study serum iron was significantly increased in 2nd and 3rd trimester of pregnancy that was supplemented with iron when compared with the same category of women who were not supplemented with iron. On the other hand serum total iron binding capacity (TIBC) was significantly increased in 3rd trimester of pregnancy that was not supplemented with iron when compared with the same category of women who were supplemented with iron. It is evident that the significantly low serum iron and high TIBC in pregnant women is due in part to dietary iron deficiency. Therefore, iron therapy in pregnancy is helpful to maintain the serum iron and TIBC nearer to that of non pregnant normal women.
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Affiliation(s)
- F Wahed
- Community Based Medical College, Winnerpar, Mymensingh, Bangladesh
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Hossain MZ, Latif SA, Khalil M. Effects of stresses on serum cortisol level in Bangladeshi people. Mymensingh Med J 2006; 15:45-8. [PMID: 16467762 DOI: 10.3329/mmj.v15i1.16] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The present study was undertaken to estimate serum cortisol level in control experimental groups in Bangladeshi people. For this purpose a total number of 55 subjects of age range (18-55) years were selected from Mymensingh Medical College Hospital during July 2003 to June 2004. Subjects included in this study were divided in to two main groups: control (n=13) and experimental (n=42). According to different types of stress the experimental group was further divided in to four subgroups: infection, psychiatric, pre and post surgery. Blood samples were collected from all subjects with aseptic precautions at 8 AM and serum cortisol concentration was measured by Radioimmunoassay method. Statistical analyses were done by using Student's 't' test. A distinct and statistically significant increased serum cortisol level was observed in infection, psychiatric disorders and post surgical group in comparison to control group (P< 0.001). While no significant difference was observed in pre surgery when compared to that of control group.
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Affiliation(s)
- M Z Hossain
- Department of Physiology, Mymensingh Medical College.
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Akhter S, Shamsuzzaman AK, Siddiqui NI, Banerjee M, Deb K, Hossain MZ. Serum zinc status of rural women taking combined OC. Mymensingh Med J 2005; 14:128-32. [PMID: 16056196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
This prospective case-control study was undertaken on 78 women between 15 to 45 years of age from rural area to see alteration of serum zinc due to oral contraceptive (OC) use. Of the subjects, 34 women was taken as controls having no history of taking any form of hormonal contraceptives neither during the time of selection nor during one-year period prior to the study. All of the women in the control group were advised to start consuming oral pill (Sukhi) for 3 consecutive cycles and at the 3(rd) month, 25 women were taken as cases on longitudinal basis. Another 44 women were randomly selected as cases on the basis of using combined oral contraceptives (Sukhi) for 4 months onwards. Subjects were classified as follows on the basis of duration of oral contraceptive use: Group I (n=34) -- controls, Group II (n=25) -- 3 months, Group III (n=17) -- 4 months -- 2 years and Group IV (n=27) -- >2 years. Finally, 103 samples of blood (34 from controls and 69 from oral contraceptives users) were collected for estimation of Serum Zinc (microg/dl) by Atomic Absorption Spectrometry using UNICAM - AA Spectrometer. MeanSD of Serum Zinc significantly reduced in all 3 contraceptive groups in comparison to controls (p<0.001). It was recommended to carry out further study including larger population from rural area to elucidate alteration in serum zinc and other trace elements to correlate with side effects caused by hormonal contraceptive so that attempt could be made to mitigate those.
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Affiliation(s)
- S Akhter
- Mymensingh Medical College, Mymensingh
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Mannan S, Khalil M, Rahman H, Sultana SZ, Hossain MZ. Morphometric study of atrioventricular orifices of postmortem hearts of adult Bangladeshi people. Mymensingh Med J 2005; 14:182-4. [PMID: 16056207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
To study the circumference of atrioventricular orifices of the Bangladeshi adult people, fifty postmortem hearts were collected, fixed in 10% formol saline and examined. In the present paper, the findings were compared between male and female values and also with the findings of Western and Bangladeshi researchers. Among fifty hearts, thirty-six hearts were collected from male and fourteen hearts were collected from female cadavers. The findings suggest that the atrioventricular orifices of the hearts examined were lower in circumferences as compared to those described in the available texts. The female values were slightly lower than the male values but on statistical analyses, they showed no significant difference (P > 0.05).
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Affiliation(s)
- S Mannan
- Department of Anatomy, Mymensingh Medical College, Mymensingh
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Hossain MZ, Latif SA, Khalil M, Mannan S, Akhter S. Alteration of serum glucose level in infection and surgical stress. Mymensingh Med J 2005; 14:133-5. [PMID: 16056197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
The present study was conducted to see the alteration of serum glucose level in infection and surgical stress. For this purpose a total number of 37 subjects in the age range (18 - 55) years were selected from Mymensingh Medical College Hospital from July 2003 to June 2004. Subjects were grouped as follows: control (n=13), infection (n=14) and surgery (n=10). Fasting serum glucose levels were estimated from all subjects by enzymatic calorimetric (GOD-PAP) method. A distinct and statistically significant increase in serum glucose level was observed in infection and surgery group in comparison to control group (p< 0.001).
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Hossain MZ, Khan SA, Salam MA, Hossain S, Islam R. Holmium YAG laser treatment of superficial bladder carcinoma. Mymensingh Med J 2005; 14:13-5. [PMID: 15695945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2023]
Abstract
Holmium YAG laser is one of the new modalities of treatment of urinary bladder tumor. Thirty patients of superficial bladder carcinoma were selected from the Urology out patient department of Dhaka Medical College Hospital from January 2004 to July 2004. Among thirty cases, 18 were recurrent and 12 were primary superficial bladder carcinoma. Out of thirty patients, 24 were male and six were female. Patients were treated with Holmium YAG laser under spinal anesthesia. Before resection, cold cup biopsy were taken from the apex and after resection of the tumor, another cold cup biopsy were taken from the base of the tumor. Holmium YAG laser therapy was given with a 550 micron end firing quartz laser fiber through the working element of resectoscope. Small tumors (< 1 cm) were ablated and large tumors (1-4 cm) were resected. The initial laser setting was 0.5 to 0.8 J and 10 Hz. For resection of the tumor, a slightly higher energy of 1 to 1.2 J was used at 10 to 12 Hz. After resection, bleeding vessels were coagulated. The resected tumor was evacuated by Elik's evacuator. All cases were followed for 6 to 12 months by history, physical examination, urine analysis, sonogram and cystoscopy three monthly. Bleeding was minimum during the procedure and no transfusion was required. Complications like obturator jerk, clot retention or perforation were not developed. No recurrence was found during the 6 to 12 months follow up period. The procedure was found safe, effective, and acceptable. The study was conducted to evaluate the initial result of Holmium YAG laser for the treatment of superficial bladder carcinoma. We warrants further studies in this regard.
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Hossain MZ, Latif SA, Uddin MM. Is serum C-reactive protein really a sensitive stress marker in Bangladeshi people. Mymensingh Med J 2005; 14:16-8. [PMID: 15695946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2023]
Abstract
The present study was done to determine the serum C-reactive protein (CRP) concentration in normal subjects and patients suffering from infection, psychiatric disorders and of surgery. A total number of 55 subjects within 18-55 years age were selected from Mymensingh Medical College Hospital during the period from July 2003 to June 2004. Normal subjects as control were 13 and 42 comprised the group experimental. According to different types of stress the experimental group was further divided in to four subgroups: infection, psychiatric, pre and post surgery. Serum CRP concentration was measured by Immunoturbidimetric method from each subject. Statistical analyses were done by using Student's ' t' test. Statistically significant rise of serum CRP was observed in infection, psychiatric disorders and post surgery group in comparison to control group (P< 0.001). The study indicated that subjects with infection, psychiatric disorder and post surgery stage were in stressful conditions that resulted increased synthesis of CRP by liver cells due to Hypothalamopituitaryadrenal (HPA) axis hyperactivity and immune mediated inflammation.
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Uematsu H, Sato N, Hossain MZ, Ikeda T, Hoshino E. Degradation of arginine and other amino acids by butyrate-producing asaccharolytic anaerobic Gram-positive rods in periodontal pockets. Arch Oral Biol 2003; 48:423-9. [PMID: 12749914 DOI: 10.1016/s0003-9969(03)00031-1] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The use of 20 amino acids by butyrate-producing asaccharolytic anaerobic Gram-positive rods (AAGPRs) in periodontal pockets, i.e. Eubacterium minutum, Filifactor alocis, E. infirmum, E. sulci and E. saphenum, was studied. E. minutum used only arginine and lysine, and produced substantial amounts of butyrate and ammonia as the main metabolic products from arginine, and acetate, butyrate and ammonia from lysine. Fi. alocis used arginine alone and produced butyrate and ammonia. E. infirmum, E. sulci and E. saphenum used lysine alone and produced acetate, butyrate and ammonia. The growth of these bacterial species was supported and enhanced by arginine and/or lysine enriched to culture media, but not by the other amino acids. Arginine deiminase, ornithine carbamoyltransferase and carbamate kinase activity were detected in the cell-free extract of E. minutum, suggesting that arginine was metabolised to citrulline initially, and subsequently to ornithine and carbamoyl phosphate. Ornithine and carbamoyl phosphate were further converted to butyrate, and carbon dioxide and ammonia, respectively. Enzymatic activity of arginine deiminase and ornithine carbamoyltransferase was not detected in Fi. alocis, indicating that Fi. alocis converted arginine to ornithine directly, not via citrulline, and further to butyrate.
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Affiliation(s)
- H Uematsu
- Oral Ecology in Health and Infection, Niigata University Graduate School of Medical and Dental Sciences, Gakkocho-dori 2, 951-8514, Niigata, Japan
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Abstract
Stable re-expression of connexin 43 (cx43) in human glioblastoma suppresses transformation and tumorigenicity. The present study was designed to examine the role of cx43 in chemotherapy-induced apoptosis. Expression of cx43 in human glioblastoma cells significantly increased sensitivity to several common chemotherapeutic agents, including etoposide, paclitaxel (Taxol) and doxorubicin, compared with control-transfected cells. The increased sensitivity to chemotherapeutic agents resulted from apoptosis as evidenced by Hoechst dye staining, TUNEL assay and annexin V assay. These cx43-mediated effects were coupled with decreased expression of the specific apoptosis inhibitor bcl-2. Over-expression of bcl-2 in cx43-transfected cells partially confers the resistance to apoptosis induced by etoposide, suggesting that the cx43-mediated apoptosis to chemotherapeutic agents is regulated in part through the down-regulation of bcl-2 expression. Furthermore, the cx43-mediated apoptosis in response to chemotherapeutic drugs may not be linked to increased gap junctional communication in cx43-transfected cells. Our results demonstrate a new role of cx43 in the mediation of apoptosis during chemotherapy.
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Affiliation(s)
- R P Huang
- Division of Research, Department of Gynecology and Obstetrics, Emory University School of Medicine, Atlanta, GA 30322, USA.
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Huang RP, Peng A, Golard A, Hossain MZ, Huang R, Liu YG, Boynton AL. Hydrogen peroxide promotes transformation of rat liver non-neoplastic epithelial cells through activation of epidermal growth factor receptor. Mol Carcinog 2001; 30:209-17. [PMID: 11346883 DOI: 10.1002/mc.1030] [Citation(s) in RCA: 63] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Previous studies demonstrated that hydrogen peroxide (H(2)O(2)) is a tumor promoter in the rat liver epithelial cell line T51B. We investigated the pathway linking H(2)O(2) to tumor promotion. H(2)O(2) can directly induce tyrosine phosphorylation of epidermal growth factor receptor (EGFR). H(2)O(2) and epidermal growth factor exerted similar effects on the induction of early growth response genes, disruption of gap junction communication, triggering of calcium inflow, and promotion of transformation. Furthermore, the effect of H(2)O(2) on tumor promotion was blocked by abrogation of EGFR activation. Our results suggested that tumor promotion by H(2)O(2) is mediated mainly through activation of EGFR in T51B cells.
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Affiliation(s)
- R P Huang
- Division of Research, Department of Gynecology and Obstetrics, Emory University School of Medicine, Atlanta, Georgia 30322, USA
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Abstract
Gap junctions are regulatable pores that connect the cytoplasms of neighboring cells. Hossain and Boynton focus on connexin 43 gap junctions and their regulation by changing the phosphorylation status of the COOH-terminal domain of connexin 43 or by altering protein-protein interactions in this region. The COOH-terminal domain of connexin 43 appears to be a key player in regulating gap junctional communication (GJC) because many divergent signals in many different cell types modify this domain to inhibit GJC.
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Affiliation(s)
- M Z Hossain
- Molecular Medicine, Northwest Hospital, Seattle, WA, USA.
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