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Akhter M, Shahidullah M, Mannan MA, Dey SK, Jahan I, Moni SC, Shabuj MK, Rahman T, Rumman M, Begum B. Clinical Risk Index for Babies II Score as a Predictor of Neonatal Death among Preterm Low Birth Weight Babies. Mymensingh Med J 2021; 30:601-608. [PMID: 34226444] [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
Clinical risk index for babies II (CRIB II) score is simple, validated and widely used risk-adjustment instrument for predicting mortality among preterm low birth weight babies. To assess the efficacy of CRIB II score as a tool to predict the risk for neonatal death among the preterm and LBW babies admitted in NICU of BSMMU, a tertiary care hospital in Bangladesh. This prospective observational study was conducted in Department of Neonatology in BSMMU from September 2016 to August 2017. Inborn preterm neonates with gestational age ≤34 weeks admitted were enrolled in the study. CRIB-II score was calculated for each infant within 1 hour of birth from birth weight, gestational age, sex, admission temperature and base excess. The primary outcome measured in the study was neonatal death or survival up to 28 days. Total 112 patients were finally analyzed in this study. Mean CRIB II score was significantly higher in the non-survivor group compared to the survivor group (p-value <0.0001). Receiver operating characteristic (ROC) curve analysis for mortality prediction by CRIB II score, gestational age and birth weight showed AUC 0.87 (95% CI 0.76-0.97), 0.76 (95% CI 0.63-0.88) and 0.79 (95% CI 0.66-0.92) respectively. ROC curve analysis also revealed that the most suitable cut-off points for predicting mortality were 5 for CRIB II score, 32 weeks for gestational age and 1250 gram for birth weight. Using these most suitable cut-off points, CRIB II score had the highest sensitivity and specificity followed by birth weight and gestational age. In this study, CRIB II score was found to be an effective tool for predicting neonatal death among preterm LBW babies. It predicted outcome more accurately than birth weight or gestational age alone.
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Affiliation(s)
- M Akhter
- Dr Mohosina Akhter, Assistant Professor, Department of Neonatology, Mymensingh Medical College, Mymensingh, Bangladesh; E-mail:
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Ahmed F, Dey SK, Shahidullah M, Mannan MA, Raj AY, Sharmin S. Early Versus Delayed Enteral Feeding for Achieving Full Feeding in Preterm Growth-Restricted Infants: A Randomized Clinical Trial. Mymensingh Med J 2020; 29:638-645. [PMID: 32844806] [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
Optimal enteral nutrition is essential for growth restricted preterm infants because if nutrition remains suboptimal during early days of life, physical and neuro-developmental outcome might be in danger. However, chronic hypoxia during antenatal period makes them susceptible for feeding intolerance and necrotising enterocolitis during post natal period. So this randomized clinical trial was conducted in the department of Neonatology, Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh from January 2018 to June 2019; to evaluate the effect of early versus delayed enteral feeding on preterm growth-restricted infants. During the study period, out of 127 infants with small for gestational age, 50 babies were enrolled and randomly assigned to either early feeding group (n=25) or late feeding group (n=25). Clinical characteristics at trial entry were well balanced between groups. Newborn enrolled in early feeding group reached full feed significantly faster than late feeding group (p=0.001; Hazard ratio 1.24). Early feeding group regained birth weight faster; experienced lesser incidence of neonatal sepsis, experienced less number of feed intolerance, had shorter mean duration of hospital stay and achieved higher weight on post natal age 16th days. All values were statistically significant. Early enteral feeding found to be safe and beneficial in reducing the time to reach full enteral feeding and better weight gain in growth restricted preterm infants.
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Affiliation(s)
- F Ahmed
- Dr Farzana Ahmed, Associate Professor & Head, Department of Paediatrics, Marks Medical College Hospital, Dhaka, Bangladesh; E-mail:
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Abstract
Mammalian embryonic diapause is a reproductive phenomenon defined by the reversible arrest in blastocyst development and metabolic activity within the uterus which synchronously becomes quiescent to implantation. This natural strategy, evident in over 130 species across eight orders, can temporally uncouple conception from delivery until conditions are favorable for the survival of the mother and newborn. While the maternal endocrine milieu has been shown to be important for this process, the local molecular mechanisms by which the uterus and embryo achieve quiescence, maintain blastocyst survival and then resumes blastocyst activation with subsequent implantation in response to endocrine cues remains unclear. Here we review the first evidence that the proximal molecular control of embryonic diapause is conserved in three unrelated mammalian species which employ different endocrine programs to initiate diapause. In particular, uterine expression of muscle segment homeobox (Msx) genes Msx1 or Msx2 persists during diapause, followed by downregulation with blastocyst reactivation and implantation. Mice (Mus musculus) with conditional inactivation of Msx1 and Msx2 in the uterus fail to achieve diapause and reactivation. Remarkably, the mink (Neovison vison) and tammar wallaby (Macropus eugenii) share this pattern of MSX1 or MSX2 expression as in mice during delay - it persists during diapause and is rapidly downregulated upon implantation. Therefore, these findings were the first to provide evidence that there are common conserved molecular regulators in the uterus of unrelated mammals during embryonic diapause.
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Affiliation(s)
- J Cha
- Division of Reproductive Sciences, Cincinnati Children's Hospital Medical Center, USA.,Present address: Division of Diabetes, Endocrinology, and Metabolism, Department of Medicine, Vanderbilt University Medical Center, USA
| | - J C Fenelon
- School of Biosciences, University of Melbourne, Melbourne, Australia
| | - B D Murphy
- Centre de recherche en reproduction et fertilité, Université de Montréal, Québec, Canada
| | - G Shaw
- School of Biosciences, University of Melbourne, Melbourne, Australia
| | - M B Renfree
- School of Biosciences, University of Melbourne, Melbourne, Australia
| | - S K Dey
- Division of Reproductive Sciences, Cincinnati Children's Hospital Medical Center, USA
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Dey SK, Islam S, Jahan I, Shabuj KH, Begum S, Chisti MJ, Mannan MA, Shahidullah M, Chowdhury S. Association of Hyperbilirubinemia Requiring Phototherapy or Exchange Transfusion with Hearing Impairment among Admitted Term and Late Preterm Newborn in a NICU. Mymensingh Med J 2020; 29:405-413. [PMID: 32506097] [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
Hearing impairment is one of the deleterious ramifications of neonatal hyperbilirubinemia, but its impact during the newborn period has not been well studied in Bangladesh. This prospective observational study was conducted during January 2016 to December 2017 in the Department of Neonatology and Otolaryngology-Head and Neck Surgery, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh to identify the relationship between hyperbilirubinemia requiring phototherapy or exchange transfusion with hearing impairment in term and late preterm neonates. Admitted term and late preterm neonates with hyperbilirubinemia requiring either phototherapy or exchange transfusion were taken as hyperbilirubinemia group. Neonates without hyperbilirubinemia from postnatal ward were taken as control. All newborn were screened with Distortion Product Otoacoustic Emissions (DPOAE) prior to discharge from hospital. A second screen was done in referred newborn after one month of first screen. A diagnostic Auditory Brainstem Response (ABR) was performed in both the ears prior to 3 months of postnatal age if referred in both 1st and 2nd screen. Total 264 neonates included in this study; 132 in the hyperbilirubinemia and 132 in the control group. In the hyperbilirubinemia group 74(56.06%) were male and 58(43.94) were female. Mean gestational ages in the hyperbilirubinemia group and control group were 36.95±1.60 weeks and 37.01±1.67 weeks respectively. Newborn in the hyperbilirubinemia group, 4(3.03%) had hearing impairment and none had hearing impairment in the control group. Peak Total Serum Bilirubin (TSB) 23mg/dl was found as best cut off value with a sensitivity of 100% and specificity of 93% for the development hearing impairment. Hearing impairment was significantly more frequent among newborn with TSB level >23mg/dl when compared to those having TSB level ≤23mg/dl (20% vs. 0.9%, p=0.009; OR=29, 95% CI 2.79, 301). Hearing impairment was associated with newborns with hyperbilirubinemia requiring phototherapy or exchange transfusion. Peak TSB level >23mg/dl can be predictive for the development of hearing impairment.
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Affiliation(s)
- S K Dey
- Professor Dr Sanjoy Kumer Dey, Professor, Department of Neonatology, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh; E-mail:
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Akther M, Moni SC, Jahan I, Shabuj KH, Dey SK, Mannan MA, Shahidullah M. Antenatal Bartter Syndrome: A Case Report. Mymensingh Med J 2020; 29:469-472. [PMID: 32506108] [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
Bartter syndrome is an autosomal recessive disorder manifested by a defect in sodium-potassium-chloride transport in the thick ascending limb of Henle with different genetic origins and molecular pathophysiology. Bartter syndrome usually a common disease in children and in early infancy presented with persistent polyuria and associated with dehydration, electrolyte imbalance, and failure to thrive. Though prompt diagnosis and proper treatment of Bartter syndrome may improve the outcome, some children will progress to renal failure. We report a case of a 6 days-old male infant who was admitted in Neonatal Intensive Care Unit, Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh on 26 April 2018 for prematurity and low birth weight. On subsequent follow up he developed electrolyte imbalance and failure to thrive. Laboratory studies revealed hyponatremia, hypochloremic metabolic alkalosis with severe hypokalemia. When excessive chloride losses appear to be renal in origin and the patient has normal blood pressure and high levels of serum renin and aldosterone were considered as Bartter syndrome. Molecular genetic studies are indicated to identify the primary genetic defect.
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Affiliation(s)
- M Akther
- Dr Mahboba Akther, Resident Phase-B, Department of Neonatology, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh
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Kalra S, Dey SK, Shankar R, Kanitkar M. Antibiotic Prophylaxis for VCUG: A Cross-Sectional Observational Study. Indian J Pediatr 2020; 87:238. [PMID: 31916013 DOI: 10.1007/s12098-019-03166-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Accepted: 12/20/2019] [Indexed: 10/25/2022]
Affiliation(s)
- Suprita Kalra
- Department of Pediatrics and Pediatric Nephrology, Command Hospital (SC), AFMC, Pune, India.
| | - S K Dey
- Department of Pediatric Surgery, Command Hospital (SC), AFMC, Pune, India
| | - R Shankar
- Department of Pediatric Surgery, Command Hospital (SC), AFMC, Pune, India
| | - Madhuri Kanitkar
- Department of Pediatrics and Pediatric Nephrology, Command Hospital (SC), AFMC, Pune, India
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Khan KA, Alam J, Nahar N, Dey SK, Mannan MA, Shahidullah M. Predicting Neonatal Hyperbilirubinemia Using First Day Serum Bilirubin Level in Late Preterm and Term Healthy Newborn. Mymensingh Med J 2017; 26:854-862. [PMID: 29208875] [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
Hyperbilirubinemia is a common problem during the neonatal period and is the most common reason for readmission after early hospital discharge of the healthy near term and term infants. This early discharge policy along with limited follow-up facilities in developing countries and inadequate communication between physicians and parents necessitates a prognostic test to predict hyperbilirubinemia in these newborns; for early and effective management and prevention of potential complication before it occurred. This observational analytical study was done to determine the predictability of day1 total serum bilirubin (TSB) level as a screening test and identify the best cutoff value which would predict neonates likely to develop significant hyperbilirubinemia. The study was carried out in the Department of Neonatology and Department of Gynecology and Obstetrics, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh from 1st April 2013 to 31st March 2014. A TSB level of ≥17mg/dl after 72 hours was defined as significant hyperbilirubinemia. By purposive sampling method, 100 healthy late preterm and term neonates fulfilling the inclusion criteria were enrolled and 89 were finally analyzed. Among 89 neonates 14(15.74%) developed significant hyperbilirubinemia (Group II) and 75(84.26%) did not develop hyperbilirubinemia (Group I). Mean time of sample collection was similar in both groups. Mean TSB level on day1 was significantly higher in Group II (5.97±1.74mg/dl) than Group I (3.19±1.4mg/dl). By using ROC (Receiver Operating Characteristic) analysis, TSB level of 5.65mg/dl on day 1 has the best combination of sensitivity (86%) and specificity (91%) to predict neonates at risk of significant hyperbilirubinemia (AUC-0.880, p=0.001). At this cut-off PPV was 63% and NPV 97%. Total serum bilirubin level on first day of life predicts neonates at risk of subsequent significant hyperbilirubinemia and late preterm and term babies with TSB level of ≥5.65mg/dl on day 1 of life should be followed up strictly either in the hospital or in the outpatient department on day 5.
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Affiliation(s)
- K A Khan
- Dr Md Kamrul Ahsan Khan, Assistant Professor (Neonatology), Department of Pediatrics, Sheikh Sayera Khatun Medical College, Gopalgonj, Bangladesh
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Nahar N, Mannan MA, Dey AC, Ahmed F, Khan KA, Jahan I, Dey SK, Shahidullah M. Comparison of Serum Bilirubin with Transcutaneous Bilirubinometry in Late Preterm and Term Newborn. Mymensingh Med J 2017; 26:621-627. [PMID: 28919619] [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
Neonatal jaundice or hyperbilirubinemia is a common occurrence in newborns. It can progress to develop kernicterus unless intervention is initiated. Severity and decision for management are usually based on serum bilirubin which needs blood sampling. Transcutaneous bilirubin measurement is a noninvasive technique and correlates closely with serum bilirubin. This Cross sectional study was done in the Department of Neonatology, Bangabandhu Sheikh Mujib Medical University from March 2013 to August 2014 to evaluate the transcutaneous bilirubin in comparison to serum bilirubin. Total 160 infants with ≥35 weeks were purposively included over a period of 16 months. Neonates with less than 35 weeks, previously exposed to phototherapy, serious illness which leads to impaired circulation, who have had exchange transfusion, having major congenital malformation were excluded. Transcutaneous bilirubin measurement was performed within 30 minutes of obtaining sample for total serum bilirubin measurements. Of the enrolled infants, mean birth weight was 2631±520 grams, postnatal age was 4.99±3.02 days ranging from 2 to 25 days and mean transcutaneous bilirubin and serum bilirubin value was 14.59±2.55 and 13.62±2.86mg/dl respectively. Mean difference of transcutaneous bilirubin and serum bilirubin was 0.97±1.01mg/dl. In the total enrolled infant, transcutaneous bilirubin and serum bilirubin values showed significant correlation (r = 0.93, r2 = 0.876, p<0.001) and this was not affected by sex, gestational age, postnatal age, and birth weight. The area under ROC curve for transcutaneous bilirubin was 87% (p value <0.001). If the cut off value of transcutaneous bilirubin was set at 15 mg/dl, then a sensitivity of 77%, specificity of 88% and accuracy of 82% were obtained. Use of transcutaneous bilirubin can reduce need for serum bilirubin in assaying neonatal jaundice; as it showed significantly high correlation with serum bilirubin. Predictive accuracy of transcutaneous bilirubin was found to be statistically significant in comparison to serum bilirubin.
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Affiliation(s)
- N Nahar
- Dr Nazmun Nahar, Resident, Department of Neonatology, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh
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Ahmed F, Mannan MA, Dey AC, Nahar N, Hasan Z, Jahan I, Dey SK, Shahidullah M. Randomized Controlled Trial of Slow Versus Rapid Enteral Feeding Advancements on the Clinical Outcomes in Very Low Birth Weight Neonates. Mymensingh Med J 2017; 26:318-326. [PMID: 28588168] [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
Starting and advancement of feeding in very low birth weight (VLBW) infants are big challenges for the neonatal practitioners. Wide variations in volume of feed advancement have observed in earlier trials both in slow and rapid advancement groups. Volume advancement in slow advancement groups have ranged from 10ml/kg/day to 23ml/kg/day and in rapid advancement groups have ranged from 15ml/kg/day to 45ml/kg/day in earlier different studies. This randomized controlled trial was conducted in neonatal intensive care unit (NICU) of Bangabandhu Sheikh Mujib Medical University (BSMMU) from April 2013 to July 2014 to evaluate the effects of slow versus rapid rates of feeding advancements on the clinical outcomes in very low birth weight infants. A total 95 infants were enrolled into two strata according to their birth weight. Infants of each stratum were randomly allocated to either slow or rapid advancement group during initiation of feeding. After gut priming over five days, feeding was advanced daily 10ml/kg in slow and 15ml/kg in rapid advancement group for 1000 - <1250gm weighing infants. For 1250 - <1500gm weighing infants, feeding was advanced daily 15ml/kg in slow and 20ml/kg in rapid advancement group. The primary outcome variable was time taken to achieve full enteral feed. Total 82 infants completed the trial. Demographically both groups were same. Infants in the rapid feeding advancement group achieved full enteral feedings before the slow advancement group, had significantly fewer days of parenteral nutrition and regained birth weight earlier. There were no statistical differences in episodes of feed interruption, number of infants with apnea, feed intolerance or diagnosis of sepsis. Rapid enteral feeding advancements were well tolerated by very low birth weight infants.
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Affiliation(s)
- F Ahmed
- Dr Firoz Ahmed, Resident Physician, Department of Pediatrics, Sher-e-Bangla Medical College Hospital, Barisal, Bangladesh
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Shabuj KH, Hossain J, Moni SC, Dey SK. C-reactive Protein (CRP) as a Single Biomarker for Diagnosis of Neonatal Sepsis: A Comprehensive Meta-analysis. Mymensingh Med J 2017; 26:364-371. [PMID: 28588174] [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
Neonatal sepsis (NS) is a life-threatening disorder and an important cause of morbidity and mortality in neonates. Blood culture, the gold standard for diagnosis of neonatal sepsis is costly, not available at all centres and test result not readily available. CRP is low cost diagnostic test for neonatal sepsis which is possible to perform at all centres and test result is easily available. We aimed to evaluate the usefulness of C-reactive protein (CRP) measurement to identify neonatal sepsis. We conducted this meta-analysis to investigate the diagnostic accuracy of the CRP in neonatal sepsis. The literature was searched in PUBMED, Cochrane Library, Google scholar and other Medical Databases using set search criteria. Each included study was evaluated by quality assessment of diagnostic accuracy studies (QUADAS) tool. Four investigators independently extracted the data and study characteristics, and disagreements, if any, were resolved by consensus. Meta-disc software was used to calculate the pooled sensitivity, specificity and summary diagnostic odds ratio (SDOR), I² or Cochrane Q to test heterogeneity. False positive report probability (FPRP) was calculated to confirm the significance of the results. Eleven studies (1557 neonates) were included in this meta-analysis. The pooled sensitivity and specificity of CRP were 71% and 86% respectively, which had moderate accuracy in the diagnosis of NS. The pooled diagnostic odds ratio (DOR) and area under curve (AUC) was 19.10 and 0.8535 (Q*=0.7845), respectively. The diagnostic threshold analysis showed that there was no threshold effect. Meta-analysis showed that CRP had a moderate accuracy (AUC=0.8535) for the diagnosis of NS. CRP is a helpful biomarker for diagnosis of NS. However, we should combine the results with clinical symptoms and signs, laboratory and microbial results.
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Affiliation(s)
- K H Shabuj
- Dr Kamrul Hassan Shabuj, Assistant Professor, Department of Neonatology, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh; E-mail:
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Dey SK, Sharker S, Jahan I, Moni SC, Shabuj KH, Chisti MJ, Mannan MA, Shahidullah M. Neonatal Transport - Experience of a Tertiary Care Hospital of Bangladesh. Mymensingh Med J 2017; 26:169-174. [PMID: 28260772] [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: 06/06/2023]
Abstract
Safe transportation is mostly an unnoticed neonatal health issue in Bangladesh and no documentation is available regarding the existing practices. So this study was intended to document transport status of the referred newborn to a tertiary care hospital. This observational study included 150 out born neonates over 12 months period transported from various places to NICU, Bangabandhu Sheikh Mujib Medical University (BSMMU) from May 2015 to April 2016. A structured data collection form was used to record information categorized into pre-transport, during transport and at admission. At admission detailed clinical assessment of the baby was done and recorded. Outcome was determined as discharge or death. Of 150 transported neonates, two-third were preterm 115(77%) & LBW 113(75%). Common indications for referral were prematurity and sepsis. Most of the patients were referred from private hospital 107(71%). Majority of newborns (86%) were referred from hospitals of Dhaka city while only 14% were referred from outside Dhaka. Referral notes were supplied in most of the cases 134(89%) but comprehensive information was obtainable only in 3 cases. Although main transport vehicle was ambulance 130(87%), medical personnel accompanied the sick baby only in 6(4%) of cases. The distance traveled was less than 10 kilometers (kms) in 95(63%) and more than 100 km in 10(7%) of enrolled neonates. Transport time was less than 1 hour in 72(48%), 1-6 hours in 66(44%) and more than 6 hours in 12(8%) of cases. Nearly two third of newborn were transported after office period, 107(72%). At admission 21(14%) babies had hypothermia, 8(7.62%) hypoglycemia, 16(11%), poor perfusion 28(19%), low saturation 27(18%). Hyperthermia & hyperglycemia were observed in 8(5%) & 7(5%) cases respectively. Of the total 150 babies referred, 17(11%) died. While comparing with discharged newborn, died newborn were more frequent sufferer of hypothermia (p value 0.007) and low saturation (p value 0.049) at admission. Premature, low birth weight and sick newborns are being transported despite lack of safe transport system.
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Affiliation(s)
- S K Dey
- Dr Sanjoy Kumer Dey, Associate Professor, Department of Neonatology, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh; E-mail:
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Abstract
Background and Aims: Chronic obstructive pulmonary disease (COPD) is thought to have increased association with metabolic syndrome (MS) which represents a cluster of factors that increase the risk of cardiovascular diseases and diabetes mellitus. However, the extent of association of COPD with MS and its individual components are still an unsettled issue, and it is likely to vary from population to population. Under the above context, this study was undertaken to investigate the association of MS and its components with COPD. Materials and Methods: With a cross-sectional analytic design, 77 COPD and an equal number of non-COPD (apparently healthy) participants were studied purposively. The two groups were found to be matched by age, sex, and monthly income groups. The data of COPD patients and non-COPD participants were collected from a tertiary level hospital in Kolkata and a locality of Greater Kolkata, respectively. They were interviewed, and the frequencies of MS were assessed using 3 criteria (National Cholesterol Education Program-Third Adult Treatment Panel [NCEP ATP III], modified NCEP ATP III, and International Diabetic Federation [IDF]). Anthropometric measurements were taken, and fasting blood sample was collected to test the fasting blood glucose (FBG), triglyceride (TG), and high-density lipoprotein (HDL) of respondents. Logistic regression was applied to estimate the odds ratio (OR). Results: Among the COPD subjects, 44%, 46%, and 31% had coexisting MS as defined by NCEP ATP III, modified NCEP ATP III, and IDF criteria, respectively. The corresponding percentages in the non-COPD groups were 31%, 38%, and 32%. On multivariate analysis, a significant association of MS (P < 0.015) with COPD was found only when the NCEP ATP III criteria were used. The (mean ± standard deviation) FBG concentration among COPD and non-COPD groups was 130 ± 65 mg/dl and 97 ± 26 mg/dl, which was significantly different (P < 0.001). The difference in systolic blood pressure (SBP) (P < 0.063) and HDL level (P < 0.058) lied just outside the statistical significance among COPD and non-COPD groups. Gender, exercise habit, family history of hypertension, and smoking habits were important confounders for the association of COPD with individual MS components. Using NCEP ATP III criteria, female gender (OR = 3.48), COPD groups (OR = 3.05), and family history of hypertension (OR = 3.31) were found as determinants (P < 0.05) of MS. Using modified NCEP ATP III criteria, female (OR = 3.66) and family history of hypertension (OR = 3.84) were found as determinants (P < 0.05) of MS. Conclusions: COPD is associated with MS only when the NCEP ATP III is used for the diagnosis of MS. No association can be revealed on using the IDF criteria for MS. Body mass index (BMI), and waist circumference does not seem to be appropriate measures for assessing the presence of MS among COPD patients. Among the components of MS BMI, SBP, FBG, TG, and HDL are significantly associated with COPD.
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Affiliation(s)
- Amitava Acharyya
- Department of Community Medicine, Bangladesh Institute of Health Sciences, Dhaka, Bangladesh
| | - M D Shahjahan
- Department of Public Health, Daffodil International University, Dhaka, Bangladesh
| | - Fahmida Binte Mesbah
- Department of Community Medicine, Bangladesh Institute of Health Sciences, Dhaka, Bangladesh
| | - Subir Kumar Dey
- Department of Pulmonary Medicine, Calcutta National Medical College and Hospital, Kolkata, West Bengal, India
| | - Liaquat Ali
- Department of Biochemistry and Cell Biology, Bangladesh Institute of Health Sciences, Dhaka, Bangladesh
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Dey AC, Hossain MI, Afroze S, Dey SK, Mannan MA, Shahidullah M. A Survey on Current Practice of Management of Early Onset Neonatal Sepsis. Mymensingh Med J 2016; 25:243-247. [PMID: 27277355] [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: 06/06/2023]
Abstract
It was a survey type of cross sectional study where the participants were from different teaching/referral hospital across the country and was done to gather information regarding current practice of management of neonatal sepsis among paediatricians and neonatologists and was conducted on the spot during a national conference of Bangladesh Perinatal Society in December 2013. Specialists in neonatology, paediatrics, and some other disciplines working in different institutes across the country were requested to respond. Out of 150 physicians, 92 (61.33%) were neonatologists. Physicians suspected early onset neonatal sepsis (EONS) when there is history suggestive of prolonged rupture of membrane (74.77%), prolonged labour (9.33%), chorioamnionitis (7.33%) and maternal fever (2%). Clinical sepsis is found commonly (53.33%) which is later proved by laboratory evidences such as Hb%, TC, DC PBF (peripheral blood film), C-reactive protein, chest X-ray etc. Injection Ampicillin and Gentamycin are still the first choice of antibiotics (61.3%). Preferred route was intravenous (95.3%). Antibiotics were given for 7-10 days by most of the physicians (48.77%). However there is lack of uniformity among the participants in regard to taking decision about antibiotics, the choice of first line and the subsequent options of antibiotics. So, neonatal sepsis is the most important cause of neonatal mortality in the community. Therefore a standard protocolized approach for diagnosis and management of Early Onset Neonatal Sepsis may prove critical which is currently not in practice uniformly.
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Affiliation(s)
- A C Dey
- Dr Arjun Chandra Dey, Assistant Professor, Department of Neonatology, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh; E-mail: acd_70@yahoo. Com
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Dey AC, Hossain MI, Dey SK, Mannan MA, Shahidullah M. Neonatal Conjunctivitis Leading to Neonatal Sepsis--A Case Report. Mymensingh Med J 2016; 25:161-162. [PMID: 26931268] [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
Neonatal conjunctivitis is the most common occular disease in neonates. Most infections are acquired during vaginal delivery. In spite most of these cases are benign; some of them may progress to systemic complications like loss of vision if left untreated. The authors present a case of a newborn who developed late onset neonatal sepsis from E. coli positive conjunctivitis. The baby was treated with Injection Meropenem and Injection Amikacin for 10 days. The course was uneventful, after that baby responded well and discharged home on 24th day.
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Affiliation(s)
- A C Dey
- Dr Arjun Chandra Dey, Assistant Professor, Department of Neonatology, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh
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Nahar N, Dey AC, Khan KA, Dey SK, Mannan MA, Shahidullah M. Salt Losing Variety of Congenital Adrenal Hyperplasia--A Case Report. Mymensingh Med J 2016; 25:179-181. [PMID: 26931272] [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
Congenital adrenal hyperplasia is a genetic endocrinologic disorder. The severe classic form occurs in one in 15,000 births worldwide. Twenty-one-hydroxylase deficiency (21-OHD) is the most common cause in this autosomal recessive disease. It can cause virilization, ambiguous genitalia at birth and severe life threatening condition due to salt wasting. In this report we describe the clinical course of a male neonate presenting with lethargy, failure to thrive (FTT), genital pigmentation, electrolytes imbalance and high serum 17-hydroxy-progesterone (17-OHP) level and subsequently diagnosed as Congenital Adrenal Hyperplasia. After the initial crises management, the child was continued on replacement therapy. During the follow up, he was found to grow appropriately and achieving normal milestones for age.
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Affiliation(s)
- N Nahar
- Dr Nazmun Nahar, Resident, Department of Neonatology, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh
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Bakshi L, Begum HA, Khan I, Dey SK, Bhattacharjee M, Bakshi MK, Dey S, Habib A, Barman KK. Comparative Study of Clinical and Sonographic Estimation of Foetal Weight at Term. Mymensingh Med J 2015; 24:572-577. [PMID: 26329957] [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 cross sectional comparative study was conducted at Dhaka National Medical College, Dhaka from January to June 2012, to observe the accuracy of clinical and ultrasonographic estimation of foetal weight at term in our environment. Seventy five pregnant women who fulfilled the inclusion criteria had their foetal weight estimated independently using clinical and ultrasonographic methods. Accuracy was determined by percentage error, absolute percentage error and proportion of estimates within 10% of actual birth weight (birth weight fetus of +10%). Statistical analysis was done using the paired t-test, the Wilcoxon signed-rank test, and the chi-square test. The study sample had an actual average birth weight of 2989.60 ± 408.76 (range 2310-4000 gm). Overall, the clinical method overestimated birth-weight, while ultrasound underestimated it. The mean absolute percentage error of the clinical method was more than that of the sonographic method, and the number of estimates within 10% of actual birth weight for the clinical method (41.3%) was less than for the sonographic method (57.3%); the difference was not statistically significant. In the low birth-weight (<2,500 gm) group, the mean absolute percentage error of sonographic estimates were significantly smaller. Significantly more sonographic estimates (75%) were within 10% of actual birth-weight than those of the clinical method (0%). No statistically significant difference was observed in all the measures of accuracy for the normal birth-weight range of 2,500-<4,000 gm and in the macrosomic group (≥ 4,000 gm). Clinical estimation of birth-weight is as accurate as routine ultrasonographic estimation, except in low-birth-weight babies.
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Affiliation(s)
- L Bakshi
- Dr Lipy Bakshi, Registrar, Department of Gynae & Obs, Dhaka National Medical College, Dhaka, Bangladesh
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Habib MA, Dey SK, Alam MR, Bhuiyan M, Bhuiyan SI, Khatun MH, Rizvi AN, Haque A. Is malnutrition a risk factor of stroke? Mymensingh Med J 2015; 24:373-378. [PMID: 26007268] [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
Obesity is an established risk factor of stroke. Malnutrition in post-stroke period is common and can influence outcome. But malnutrition, though predicted, has not yet been established as a risk factor of stroke. This descriptive study was carried out in the Department of Neurology, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka and Department of Neurology, Dhaka Medical College (DMC), from January 2009 to December 2010 to explore whether malnutrition is an independent risk factor of stroke. Nutritional status of 100 stroke patients and 100 healthy controls were assessed in this study. Anthropometric measurements including Body Mass Index (BMI), Triceps skin fold (TSF), Mid-arm circumference (MAC) and Arm-muscle circumference (AMC) were measured within 7 days of stroke. Haemoglobin and haematocrit percentage, serum iron and serum albumin were measured at the same time. No significant difference was observed regarding TSF thickness, MAC, AMC, mean Hb and mean albumin level between the stroke patients and the control group, although iron level was significantly lower in stroke group. Multiple logistic regressions analysis showed that increase in age, smoking and decreased serum iron level has a positive association with stroke. Malnutrition is, according to this study, not a significant risk factor of stroke and triceps skin fold (TSF) thickness, mid-arm circumference (MAC), arm-muscle circumference (AMC), hemoglobin and serum albumin are not appropriate predictor of stroke.
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Affiliation(s)
- M A Habib
- Dr Md Ahsan Habib, Assistant Professor, Department of Neurology, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh
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Mannan MA, Choudhury SM, Dey AC, Dey SK, Naher BS, Shahidullah M. Newborn hearing screening: what are we missing? Bangladesh Med Res Counc Bull 2014; 40:1-5. [PMID: 26118164 DOI: 10.3329/bmrcb.v40i1.20319] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The objectives of the study were to demonstrate hearing status in newborns at first screening by Transient Evoked Otoacoustic Emissions and to find out the relationship between abnormal hearing screening and known risk factors. This study was conducted in the department of neonatology of Bangabandhu Sheikh Mujib Medical University in collaboration with department of otolaryngology and department of obstetrics and gynaecology. This prospective observational study included a cohort of 168 neonates from Neonatal Intensive Care Unit and neonatal Nursery (Minimal care unit). All were screened for hearing impairment using Transient Evoked Otoacoustic Emissions in out-patient department of otolaryngology by a trained audiologist before discharge from hospital. Risk factors analysed were according to the criteria of American Academy of Pediatrics. Of the total neonates screened, Refer rate was 32.7% irrespective of presence or absence of risk factors. Small for gestational age, in-utero infections, ototoxic medications, birth weight < 1500, sepsis/meningitis, hyperbilirubinemia were found to be significant risk factors (p < 0.0001). It can be recommended that hearing screening should be universally done for all newborns.
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Dey SK, Ghosh I, Bhattacharjee D, A P, Jha S, Dasgupta A, Dey SK. Liver Function Profile Anomalies in HIV Seropositive Tuberculosis. J Clin Diagn Res 2013; 7:1068-72. [PMID: 23905105 DOI: 10.7860/jcdr/2013/5156.3047] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [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: 10/09/2012] [Accepted: 04/05/2013] [Indexed: 11/24/2022]
Abstract
BACKGROUND The Human Immunodeficiency Virus (HIV) and the Tuberculosis (TB) co infection are contributory to each other in causing a progressive decline in the cell mediated immunity and a damage to the hepatobiliary system. The aim of our study was to estimate the extent of liver damage which was caused by these infections before the start of the therapy with hepatotoxic drugs like Antiretroviral Therapy (ART) and Antitubercular Drugs (ATD). METHODS One hundred and ninty three confirmed HIV positive cases were enrolled in this study. The cases were divided into 2 groups; Group 1-100 subjects with TB and Group 2-93 subjects without TB.80 age and sex matched controls were also included (Group 0). Some parameters of the serum Liver Function Test (LFT) were estimated biochemically by using an auto analyzer (ERBA XL600,Transasia). RESULTS The serum total bilirubin, Alanine Transaminase (ALT), Aspartate Transaminase (AST) and the Alkaline Phosphatase (ALK-P) levels were significantly higher in the cases as compared to those in the controls, more so in the cases with the associated TB co infection, except the AST levels. The Group 1subjects had lower serum total protein and albumin levels and altered albumin/globulin ratios as compared to the controls. A statistically significant difference was absent in the serum total protein levels between the Group 2 cases and the Group 0 controls. No significant differences were observed when the values for serum total protein, albumin and globulin and the albumin: globulin ratios among the two case groups (1 and 2) were compared. CONCLUSION The results have shown the importance of estimating some LFT parameters, prior to the start of ATD and ART in these cases. Hence, a mandatory performance of LFT is recommended, as it is simple and cost effective.
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Affiliation(s)
- Subir Kumar Dey
- Professor & Head, Department of Pulmonary Medicine, Calcutta National Medical College , Kolkata, West Bengal,India
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Israil A, Ahmed S, Rahman KM, Uddin MJ, Dey SK, Battacharjee M, Mondal G, Ali MA, Alam MN, Miah AH, Uddin MS. Efficacy of amitriptyline, pizotifen and propranolol in the prevention of migraine. Mymensingh Med J 2013; 22:93-100. [PMID: 23416816] [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: 06/01/2023]
Abstract
This intervention study conducted in the Neurology outpatient Department of Mymensingh Medical College Hospital (MMCH) from January 2006 to December 2007 to compare efficacy of amitriptyline, pizotifen and propranolol in the prophylaxis of migraine. Ninety cases were selected following certain inclusion and exclusion criteria. Result showed that the differences in duration, frequency and severity of attack were reduced in all groups but the differences among the groups were not significant (p>0.05). However, compared with amitriptyline and pizotifen, the propranolol group needed tablet paracetamol as abortive therapy less frequently which was statistically significant (p<0.05). All the drugs were well tolerated with minimum adverse effects.
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Affiliation(s)
- A Israil
- Department of Neurology, National Institute of Neuroscience, Sher-e-Bangla Nagar, Dhaka, Bangladesh
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Dey SK, Jha S, Ghosh I, Bhattacharya SK, Das A, Gangopadhyay S. Knowledge, attitude and practice of smoking in subjects of lung cancer. J Indian Med Assoc 2012; 110:880-884. [PMID: 23936950] [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] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Lung cancer is the most common cancer in the world since 1988, both in terms of incidence and mortality among both men and women. Approximately half of the cases of lung cancer now occur in developing countries compared to 1980. Tobacco smoking is by far the predominant risk factor for lung cancer. A knowledge, attitude and practice of smoking among 132 cases of lung cancer in this study was undertaken. Amongst 113 ever smokers, out of 132 cases, 91.18% of males and 36.36% of female subjects continued smoking despite knowing the harmful effects of tobacco, displayed over the cigarette or bidi packets. In these group squamous cell carcinoma was the most common type followed by adenocarcinoma. Among the never smokers adenocarcinoma was the commonest type, females accounting for 75% of the cases, though a good number was observed among male ever smokers, signifying the changing histological types of lung cancer today.
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Affiliation(s)
- Subir Kumar Dey
- Department of Chest Medicine, Calcutta National Medical College, Kolkata
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Mannan MA, Jahan N, Dey SK, Uddin MF, Ahmed S. Maternal and foetal risk factor and complication with immediate outcome during hospital stay of very low birth weight babies. Mymensingh Med J 2012; 21:639-647. [PMID: 23134911] [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: 06/01/2023]
Abstract
This prospective study was done to find out the maternal and foetal risk factors and complications during hospital stay. It was conducted in Special Care Neonatal Unit (SCANU), Department of Child Health, Bangabandhu Memorial Hospital (BBMH), University of Science and Technology Chittagong (USTC) from1st October 2001 to 30th March 2002 and cases were 35 very low birth weight (VLBW) newborns. Common complications of VLBW babies of this series were frequent apnea (40%), Septicemia (25.71%), Hypothermia (17.14%), NEC (14.28%), Convulsion (11.43%), Hyper-bilirubinaemia (8.57%), Anemia (5.71%), IVH (5.71%), RDS (2.86%), HDN (2.86%), CCF (2.86%), ARF (2.86%), either alone or in combination with other clinical conditions. Newborns 62.86% male, 37.14% female & their mortality rate were 40.91% & 38.46% respectively; Preterm 88.57% & their mortality (41.93%) were higher than term babies (25.00%); AGA 62.86%, SGA 37.14% & mortality rate of AGA babies (45.46%) were higher than of SGA (30.77%) babies. The mortality rate of VLBW infants of teen age (≤ 18 years) mothers (57.14%) & high (≥ 30 years) aged mothers (50.00%) were higher than average (19-26 yrs) maternal age mothers (33.33%). Mortality rate was higher among the babies of primi (41.67%) than multiparous (36.36%), poor socioeconomic group (53.33%) than middle class (30.00%) & mothers on irregular ANC (47.83%) than regular ANC (25.00%). It has been also noted the mortality rate of home delivered babies (50.00%) higher than institutional delivered (34.78%) babies; higher in LUCS babies (46.15%) than normal vaginal delivered babies (31.58%); higher in the babies who had antenatal maternal problem (48.15%) than no maternal problems babies (12.50%); higher in the babies who had fetal distress (50.00%) and twin (46.67%) than no foetal risk factors (28.57%) during intrauterine life; higher in the babies who had problems at admission (46.67%) than no problems (35.00%); and mortality higher in twin (46.67%) than singleton babies (35.00%). Maximum VLBW babies who died during hospital stay had multiple problems and mortality was varied from ?60-100%. The babies who had frequent apnea have been carried relative better outcome (mortality rate 35.72%). In this study out of total 35 studied baby 21(60.00%) survived and 14(40.00%) died. Frequent apnea, sepsis, hypothermia, NEC, convulsion, jaundice, anemia, IVH, and RDS are common complications in VLBW babies. Male sex, prematurity, primiparity, average (middle) socio-economic status, irregular ANC, preterm labor, toxemia of pregnancy, prolonged rupture of membrane, malnutrition, multiple gestations and foetal distress are risk factor for VLBW delivery. Clinical outcome depends on maturity, birth weight, centile for weight, maternal age, parity, maternal nutrition & socio-economic status, ANC, place & mode of delivery, maternal problems during antenatal & perinatal period, number of gestation, fetal condition, presentation at admission, postnatal problems, time of start of management & referral and level of care.
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Affiliation(s)
- M A Mannan
- Department of Neonatology, Ad-din Medical College Hospital, Dhaka, Bangladesh
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Sarkar S, Mazumder U, Chowdhury D, Dey SK, Hossain M, Nag UK, Riaz BK. Anterior cervical discectomy and fusion without instrumentation for cervical spondylosis. Mymensingh Med J 2012; 21:416-422. [PMID: 22828536] [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: 06/01/2023]
Abstract
This prospective study included 50 patients receiving anterior cervical discectomy and fusion (ACDF) was conducted at Mymensingh Medical College Hospital, Mymensingh, Bangladesh. The study period was 1st July 2006 to 30th June 2010. This study was done to see the functional outcome of surgery in relation to duration of symptoms and age of the patient. The clinical information and relevant imaging of 50 consecutive patients, 41 male and 9 female, was reviewed at 1 year after surgery. All surgery was performed at no more than 2 contiguous levels, by one surgeon. After anterior discectomy alone, or combined with posterior vertebral body margin osteophytectomy, anterior bone grafting was performed at each level using a tricortical autogenous iliac crest bone block inserted under compression. All surgery was completed without internal fixation. A postoperative semirigid cervical collar was prescribed for 2 months. In 50 patients, there were 4 pseudarthroses (8%). Only 4% of the 50 patients had pain related to the donor site. The functional outcome was excellent to good (87.5%) when duration of symptoms less than 1 year and outcome was excellent to good (85.29%) when the age less than 50 years. These results tend to confirm published reports of most expected outcome related to young age and short duration of symptoms. Patients with technically successful fusions were less likely to have postoperative neck pain. Donor site pain was not a significant postoperative complication. ACDF is a safe, cheap and effective procedure for cervical spondylosis. In this series no major operative complications have occurred. No extra expenditure for plate and screw in this procedure.
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Affiliation(s)
- S Sarkar
- Department of Neurosurgery, Mymensingh Medical College, Mymensingh, Bangladesh.
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Chaudhuri PS, Pal TK, Nath S, Dey SK. Effects of five earthworm species on some physico-chemical properties of soil. J Environ Biol 2012; 33:713-716. [PMID: 23359996] [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] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
An incubation experiment was conducted to study the changes that occur in organic carbon content, phosphorous and potassium availability and other soil properties with ingestion of soil mixed with rubber leaf litter and cow dung by five earthworm species viz. Pontoscolex corethrurus, Drawida assamensis, Drawida papillifer papillifer, Eutyphoeus comillahnus and Metaphire houlletiof rubber plantation in Tripura (India). Due to earthworm activity organic C (1.56-1.63%) and available P (14.71-27.60 mg 100 g(-1)) and K (43.50-49.0 mg 100 g(-1)) content of the soil increased significantly (p < 0.05) in most of the earthworm species studied. M. houlleti and D. papillifer papillifer had the highest P (27.60 mg 100 g ) and K (49.0 mg 100 g ) mobilization capacity, respectively. Earthworms, irrespective of the species, increased the pH (7.05-7.17) and electrical conductivity (663-1383 microS cm(-1)) of the soil significantly (p < 0.05).
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Affiliation(s)
- P S Chaudhuri
- Department of Zoology, Tripura University, Tripura--799 022, India.
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Mondol G, Rahman KM, Uddin MJ, Bhattacharjee M, Dey SK, Israil A, Miah AH, Sarkar UK, Islam SS, Rahman MM, Hossain F, Bhuiya MM, Bhowmik R, Chowdhury AH, Kabir MS, Uddin MS. Proteinuria is an independent risk factor for ischemic stroke among diabetic patients. Mymensingh Med J 2012; 21:439-444. [PMID: 22828540] [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: 06/01/2023]
Abstract
This study was done to assess the relationship between proteinuria and ischemic stroke in subjects with diabetes mellitus, and to determine whether proteinuria is an independent risk factor for stroke. This comparative study was conducted in Mymensingh Medical College Hospital from January 2009 to June 2010. It was done to establish the relationship between proteinuria (Microalbuminuria) and ischemic stroke among diabetic patients. Other risk factors were also assessed. Patients were divided in Group A - diabetic patients with ischemic stroke (n=50) and Group B diabetic patients without stroke (n=50). Mean age of the Group A & B were 60.16±8.33 and 57.19±7.73 years (p=0.068). Mean Blood sugar (2 hours after Break Fast) was 14.68±4.32mmol/L in Group A and 14.75±4.02mmol/L in Group B (p>0.05). Albumin Creatinine ratio was abnormal in 84.0% in Group A and 22.0% in Group A (p=0.001) [Odds ratio (95%CI) = 18.61 (6.78-51.09)]. Logistic regression analysis has also shown that microalbuminuria (ACR) is an independent risk factor for ischemic stroke (p=0.001), [Odds ratio (95%CI) = 19.811(5.915-66.348)]. In diabetic patients increased urinary protein is a risk factor for stroke. Estimation of urinary protein (Microalbuminuria) may be used as a predictor for ischemic stroke in patients with diabetes.
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Affiliation(s)
- G Mondol
- National Institute of Neuroscience, Sher-e-Bangla Nagar, Dhaka, Bangladesh
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Sultana A, Zakaria SM, Bhuiyan SI, Habib A, Dey SK, Rahman M, Basher A. Spectrum of skin lesions of post-kala-azar dermal leishmaniasis in kala-azar endemic areas of Bangladesh. Mymensingh Med J 2012; 21:529-532. [PMID: 22828555] [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: 06/01/2023]
Abstract
Post-kala-azar dermal leishmaniasis (PKDL) is a complication of visceral leishmaniasis (VL) and serves as a potential reservoir for Leishmania parasite. The study was aimed to evaluate the spectrum of skin lesions of PKDL in kala-azar endemic areas in Bangladesh. This cross sectional study was carried out to observe the characteristics of skin lesions among 250 PKDL cases. The suspected PKDL patients in highly endemic villages of Fulbaria Upazilla of Mymensingh district.were subjected to a dipstick test (rK39) for kala azar. The median time interval between diagnosing kala-azar and PKDL was 23 month (m-21, r- 0-60 months). The most common skin lesions were multiple symmetrical hypopigmented macules with irregular margins in 179(71.6%) cases followed by erythematous facial induration in 74(29.6%), papular in 33(13.2%), nodular in 28(11.2%) cases, combination of macules, papules, nodules and plaques in 88(35.2%) cases, annular in 7(2.8%) cases and Papillomatous mucosal growth in 2(0.8%) cases. Sites of involvement were mostly in face (92.4%), Trunk (84.8%), extremities (33.2%), oral mucosa and tongue (0.8%) and Genitalia (1.2%). Suspicion of PKDL on the basis of skin lesions will lead to early diagnosis and prompt treatment will impart an important role in prevention and eradication of Leishmaniasis in Bangladesh.
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Affiliation(s)
- A Sultana
- Department of Dermatology, Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh
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Ghosh I, Dey SK, Das A, Bhattacharjee D, Gangopadhyay S. Cell block cytology in pleural effusion. J Indian Med Assoc 2012; 110:390-396. [PMID: 23360042] [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] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Cell blocks prepared from residual tissue fluid can be used as adjuncts to smear for establishing a more definitive cytopathological diagnosis. It can be useful for categorisation also. Improved ethanol formalin fixative is used which offers excellent cytomorphologic features corresponding closely to cell in Papanicolaou stained smears. The technique is simple, safe, cost effective and reproducible even in resource limited rural areas. In this study among a total of 60 cases of suspected malignant pleural effusion, 56 were confirmed to be of malignant aetiology by all modalities. Only cell block preparation diagnosed 46 cases. Other modalities of diagnosis like bronchoscopy, broncho-alveolar lavage fluid study, fine needle aspiration cytology also have a great role in diagnosis. Twenty-two cases were diagnosed by Papanicolaou stain smear. So cell block preparation have more effective role in definitive diagnosis. It can be useful for better diagnosis in cases of poorly differentiated malignant neoplasms by immunocytochemistry.
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Affiliation(s)
- Indranath Ghosh
- Department of Chest Medicine, Calcutta National Medical College, Kolkata 700014
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Sarkar S, Mazumder U, Chowdhury D, Dey SK, Hossain M, Nag UK, Riaz BK. Large calcified subdural empyema. Mymensingh Med J 2012; 21:337-339. [PMID: 22561781] [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
Subdural empyema is a known disease entity; however, calcified subdural empyema is uncommon. The authors present a case of an 11-year-old boy in whom there was diagnosed a chronic calcified subdural empyema 10 years after an attack of meningitis. The patient had suffered from generalized tonic clonic seizures occurring 2-6 times in a month. A large fronto-temporo-parietal craniotomy was carried out and the subdural empyema filled with numerous uncharacteristic tissue fragments with thick pus together with the partially calcified and ossified capsule was removed. The empyema mass was found to be sterile for bacteria. After the operation, no epileptic seizure occurred and the boy is on sodium valporate. We must emphasize the unusual occurrence of the chronic subdural empyema presenting with calcification-ossification and large size as observed in our case.
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Affiliation(s)
- S Sarkar
- Department of Neurosurgery, Mymensingh Medical College, Mymensingh, Bangladesh.
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Uddin MJ, Rahman KM, Bhattacharjee M, Dey SK, Alam MN, Barman KK, Mondal GD. Demographic and clinical profile of myelopathy patients. Mymensingh Med J 2012; 21:233-237. [PMID: 22561764] [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
This descriptive type of cross sectional study was aimed to identify the demographic profile, clinical presentations of myelopathy and to find out the etiological factors associated with myelopathy. Total 65 patients having clinical features of myelopathy, admitted in Neurology and Medicine ward of Mymensingh Medical College Hospital from February 2009 to December 2010 were purposively studied. Patients underwent a detailed clinical evaluation followed by laboratory investigations and neuro-imaging studies. Out of 65 cases, 80.0% were male and 20.0% were female with mean age 39.15 ± 16.8 years. Highest number of cases (41.6%) was farmers. Most of the cases (72.3%) hailed from rural area. Mean duration of illness was 7.74 ± 15.8 months. 41.54% patients presented with paraplegia/paraparesis and 58.46% with quadriparesis/quadriplegia. 63.1% patients had sensory disturbance. It is observed that 58.5% had urinary sphincter disturbance and 21.5% had bowel sphincter disturbance. Among the causes of myelopathy found in this study, 29.23% patients had spondylotic myelopathy and 24.62% had transverse myelitis (ATM). In 12.31% patients the cause of myelopathy could not be identified. Myelopathy is more common in males and most of the patients are farmers. Spondylotic and Transverse myelopathy is the main etiology of compressive and non-compressive myelopathy respectively.
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Affiliation(s)
- M J Uddin
- Neurology, Mymensingh Medical College (MMC), Mymensingh, Bangladesh
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Bhattacharjee M, Ahmed S, Rahman KM, Uddin MJ, Dey SK, Israil A, Mondal G, Miah AH, Roy GC. Sex differentiation and risk factor evaluation in stroke patients. Mymensingh Med J 2011; 20:371-376. [PMID: 21804496] [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
This study was conducted to find out the possible influencing factors on stroke in two sexes. It was a descriptive type of cross sectional study, conducted on 177 stroke patients admitted in Mymensingh medical college hospital from February 2009 to March 2010. Patients were selected according to WHO stroke definition and confirmed by CT or MRI. The results of the study showed that Stroke was more common (58.19%) in male than female (41.8%), mean age of male stroke patients was 60.58±12.36 years and that of female was 63.58±13.62 years with no significant statistical sex difference. But after 70 years, females are more sufferer than male. Hypertension, Diabetes mellitus, ischemic heart disease, atrial fibrillation and dyslipidemia in male and female were equally present without significant difference, although male had a higher rate of smoking and previous stroke (p<0.05). Motor weakness was more in male than female and unconsciousness was more in female (p<0.05). Type and sub types of stroke showed no significant difference. Females had more severe stroke in terms of severity score (Scandinavian Stroke Scale) on admission. Duration of hospital stay were similar among male and female but on discharge functional scale (Modified Rankin Scale) score was higher in male (p<0.05) and in hospital mortality was higher in female (p<0.05) which was statistically significant.
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Roy PP, Dwari AK, Dey SK, Sarkar A, Bhattacharya A, Saha AK. A rare case of lung cancer with invasion in the heart giving rise to electrocardiographic features simulating myocardial infarction. J Indian Med Assoc 2011; 109:498-499. [PMID: 22315845] [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] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Bronchogenic carcinoma commonly metastasises to liver, bone, brain and adrenals. Involvement of mediastinal structures like superior vena cava, recurrent laryngeal nerve, phrenic nerve, pericardium, etc, is also common. But invasion of myocardium is very rare in bronchogenic carcinoma. A rare case of lung cancer with invasion to left atrium and ST segment elevation on electrocardiogram (ECG) mimicking myocardial infarction is presented here.
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Abstract
Delayed implantation, considered a state of suspended animation, is widespread in mammals. Blastocysts under this condition remain dormant for an extended period but resume implantation competence upon favorable conditions. The underlying mechanism by which extended longevity of dormant blastocysts is maintained is not clearly understood. Using autophagy markers and the well-defined delayed implantation model in mice, we show that autophagy is important for the extended longevity of dormant blastocysts in utero during delayed implantation. However, prolonged dormancy leads to reduced developmental competency of blastocysts and cellular damage with compromised pregnancy outcome. Estrogen supplementation, which activates implantation of dormant blastocysts, induces the formation of multivesicular bodies in the trophectoderm in vivo. Collectively, our results suggest that autophagy is a critical cellular mechanism that is utilized for the prolonged survival of dormant blastocysts.
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Affiliation(s)
- Jong-Eun Lee
- Department of Biomedical Sciences and Technology, Institute of Biomedical Science and Technology, Research Center for Transcription Control, Kwangjin-gu, Seoul 143-701, Korea.
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Roy PP, Dey SK, Sarkar A, Dwari AK, Banerjee A, Banerjee R. Diagnosis of three cases of endobronchial tuberculosis presenting as unresolved pneumonia, following fiberoptic bronchoscopic biopsy. Lung India 2010; 27:185-8. [PMID: 20931046 PMCID: PMC2946729 DOI: 10.4103/0970-2113.68316] [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] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Nowadays, endobronchial tuberculosis is of rare occurrence. This article presents three such cases. All of them presented as unresolved pneumonia with collapse-consolidation in chest X-ray. All the three patients were sputum smear negative for acid fast bacilli. Diagnosis was possible only with fiberoptic bronchoscopy and bronchial biopsy.
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Rahman MS, Nagai Y, Popiel HA, Fujikake N, Okamoto Y, Ahmed MU, Islam MA, Islam MT, Ahmed S, Rahman KM, Uddin MJ, Dey SK, Ahmed Q, Hossain MA, Jahan N, Toda T. Genetic Testing for Huntington's Disease in Parkinsonism. Mymensingh Med J 2010; 19:510-514. [PMID: 20956890] [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
The study was conducted to find out Huntington's disease (HD) by genetic analysis from those presenting with parkinsonism in the Neurology department of Mymensingh Medical College & Hospital. A sample of about 5ml blood was collected by veni puncture in EDTA tube with informed consent from 9 patients & 7 healthy individuals after approval of the institutional ethics committee for genetic study. The neurological disorder along with a complete history and physical findings were recorded in a prescribed questionnaire by the neurologists of Mymensingh Medical College & Hospital. Extraction of genomic DNA from the venous blood using FlexiGene DNA kit (Qiagen, Japan) was performed in Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh, Bangladesh. The extracted DNA was stored and accumulated and then these DNA were sent to Division of Clinical Genetics, Department of Medical Genetics, Osaka University Medical School, Suita, Osaka 565 0871, Japan for PCR and further analysis. PCR amplification of the CAG repeat in the 1T15 gene was performed with primers HD1 and HD3. HD PCR products revealed the DNA product of about 110bp (no. of CAG repeats=21) to 150bp (no. of CAG repeats=34) in both healthy individual and suspected PD patient DNA.
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Affiliation(s)
- M S Rahman
- Professor MS Rahman, Professor and Head, Department of Medicine, Bangladesh Agricultural University (BAU), Mymensingh, Bangladesh
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Sarkar S, Pervin S, Mazumder U, Riaz BK, Dey SK. A primary intracranial ependymal cyst. Mymensingh Med J 2010; 19:427-429. [PMID: 20639838] [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 case of a giant ependymal cyst in the fronto-parieto-temporal region in a 9 months old male baby, who presented with recent onset epilepsy, drowsiness and loss of vision. Neurosurgical intervention of this cystic lesion was curative. Interesting clinical and neuroimaging features are presented. This ependymal and primary intracranial cystic lesion which is rare. These are congenital, benign ependyma lined, commonly intraparenchymal and uncommonly extraparenchymal cysts in leptomeningeal location of variable size. Surgical intervention is warranted in cysts, which produce a mass effect and raised intracranial pressure.
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Affiliation(s)
- S Sarkar
- Department of Neurosurgery, Mymensingh Medical College, Mymensingh, Bangladesh. saumitra_s2001@ yahoo.com
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Sarkar A, Roy PP, Dey SK, Dwari AK, Bandyopadhyay R, Chakraborty K, Das A. Mediastinal teratoma mimicking massive pleural effusion. J Assoc Physicians India 2010; 58:453-455. [PMID: 21121215] [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] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Immature mediastinal teratoma is very rare, found in only 1% of all mediastinal teratomas. Raised serum alpha feto-protein acts as important surrogate marker for both diagnosis and follow up in such cases. Surgery and adjuvant chemotherapy are keys in the management, especially in patients older than 15 years of age. We present a 14-year-boy presenting clinico-radiologically as left sided massive pleural effusion. Raised serum marker as well as excision biopsy of the mediastinal mass following thoracotomy were indicative of a diagnosis of immature teratoma.
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Affiliation(s)
- A Sarkar
- Dept. of Tuberculosis & Respiratory Medicine, Medical College, Kolkata
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Roy SK, Raha SK, Dey SK, Chakrabarty SL. Induction and Catabolite Repression of beta-Glucosidase Synthesis in Myceliophthora thermophila D-14 (= ATCC 48104). Appl Environ Microbiol 2010; 54:2152-3. [PMID: 16347725 PMCID: PMC202822 DOI: 10.1128/aem.54.8.2152-2153.1988] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
beta-Glucosidase activity in Myceliophthora thermophila D-14 (= ATCC 48104) was inducible and was produced in culture filtrate during growth with various inducers, of which PNPG (p-nitrophenyl-beta-d-glucoside) was the most efficient. Induction of beta-glucosidase also occurred when the organism was grown in medium supplemented with different carbon sources. Carboxymethyl cellulose, cellobiose, and Solka-Floc were found effective for induction of enzyme biosynthesis. The addition of glucose to the culture medium severely repressed beta-glucosidase synthesis, which could not be reversed by exogenous cyclic AMP or dibutyryl cyclic AMP.
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Affiliation(s)
- S K Roy
- Department of Microbiology, Bose Institute, 93/1, Acharya Prafulla Chandra Road, Calcutta 700009, India
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Dey SK, Ahmed S, Rahman KM, Uddin MJ, Alam MR, Bhattacharjee M, Mondal G, Israil A. Lipid profile among ischemic and haemorrhagic stroke patients. Mymensingh Med J 2010; 19:176-180. [PMID: 20395908] [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
This study is a prospective cross- sectional study conducted in the Neurology and Medicine department of Mymensingh Medical college Hospital (MMCH) to see the association of different components of serum lipids among ischemic and hemorrhagic stroke patients. Cases were selected following certain inclusion and exclusion criteria. Result showed that both types of stroke were more common after the age of 50 years. Male suffered more than female. M:F in ischemic stroke group was 1.73:1, and in hemorrhagic group was 1.42:1. Both types of stroke belong to middle class people. Smoking, hypertension and diabetes mellitus were equally common in both types of stroke. Low density lipoprotein (LDL) level were more than desired level in both types of stroke and there was no significant difference between two groups (p>0.05). Other components of lipid profile (total cholesterol, HDL, Triglyceride) were within normal range and there was no significant difference between two groups (p>0.05).
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Affiliation(s)
- S K Dey
- Dr Subash Kanti Dey, Registrar, Department of Neurology, Mymensingh Medical College Hospital, Mymensingh, Bangladesh
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Dey SK, Roy S. Role of reduced glutathione in the amelioration of nicotine-induced oxidative stress. Bull Environ Contam Toxicol 2010; 84:385-389. [PMID: 20221824 DOI: 10.1007/s00128-010-9948-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2009] [Accepted: 02/23/2010] [Indexed: 05/28/2023]
Abstract
Nicotine, a major toxic component of cigarette smoke has been identified as a major risk factor for different diseases. This study investigates the role of reduce glutathione (GSH) against nicotine treated liver and kidney toxicity. Results showed that the application of 80 mg GSH per kg body weight per day exert protective effect against nicotine-induced liver and kidney toxicity by modulating the biochemical marker enzyme LDH, lipid peroxidation and augmenting antioxidant defense system. To our knowledge, this is the first finding of this sort.
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Affiliation(s)
- S K Dey
- Department of Bio-Medical Lab. Science & Management, Vidyasagar University, Midnapore 721 102, West Bengal, India.
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Abstract
BACKGROUND An ectopic pregnancy is a pregnancy which occurs outside of the uterine cavity, and over 98% implant in the Fallopian tube. Tubal ectopic pregnancy remains the most common cause of maternal mortality in the first trimester of pregnancy. The epidemiological risk factors for tubal ectopic pregnancy are well established and include: tubal damage as a result of surgery or infection (particularly Chlamydia trachomatis), smoking and in vitro fertilization. This review appraises the data to date researching the aetiology of tubal ectopic pregnancy. METHODS Scientific literature was searched for studies investigating the underlying aetiology of tubal ectopic pregnancy. RESULTS Existing data addressing the underlying cause of tubal ectopic pregnancy are mostly descriptive. There are currently few good animal models of tubal ectopic pregnancy. There are limited data explaining the link between risk factors and tubal implantation. CONCLUSIONS Current evidence supports the hypothesis that tubal ectopic pregnancy is caused by a combination of retention of the embryo within the Fallopian tube due to impaired embryo-tubal transport and alterations in the tubal environment allowing early implantation to occur. Future studies are needed that address the functional consequences of infection and smoking on Fallopian tube physiology. A greater understanding of the aetiology of tubal ectopic pregnancy is critical for the development of improved preventative measures, the advancement of diagnostic screening methods and the development of novel treatments.
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Affiliation(s)
- J L V Shaw
- Centre for Reproductive Biology, Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
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Mandal B, Halder KK, Dey SK, Bhoumik M, Debnath MC, Ghosh LK. Development and physical characterization of chloramphenicol loaded biodegradable nanoparticles for prolonged release. Pharmazie 2009; 64:445-449. [PMID: 19694181] [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] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The objectives of our study were to prepare a biodegradable nanoparticulate system of chloramphenicol (CHL) and to evaluate its ability to prolong in vitro release of CHL compared to free drug suspension (FDS). CHL-loaded polylactide-co-glycolide nanoparticles (CHL-PLGA-NPs) were prepared by an emulsion/solvent evaporation method using ethyl acetate and polyvinyl alcohol. CHL-PLGA-NPs were characterized by particle size, zeta potential, infrared spectra, drug entrapment efficiency and in vitro release kinetics measurement. Sonication was done with an ultrasound pulse sonicator at 70 W, 30 kHz for 60 s to produce stable NPs of mean size range from 277 nm to 433 nm. Drug to polymer ratio (D:P) was selected as formulation variable and significantly influenced entrapment efficiency (approximately 30% to 66%) and release (p < 0.05). Entrapment of CHL in biodegradable NPs significantly prolonged drug release compared to FDS and thus implies potential antibiotic delivery system for ocular application.
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Affiliation(s)
- B Mandal
- Pharmaceutics Research Laboratory-II, Department of Pharmaceutical Technology, Indian Institute of Chemical Biology, Jadavpur, Kolkata, India
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Lim HJ, Dey SK. HB-EGF: a unique mediator of embryo-uterine interactions during implantation. Exp Cell Res 2008; 315:619-26. [PMID: 18708050 DOI: 10.1016/j.yexcr.2008.07.025] [Citation(s) in RCA: 75] [Impact Index Per Article: 4.7] [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] [Received: 07/01/2008] [Revised: 07/18/2008] [Accepted: 07/22/2008] [Indexed: 11/19/2022]
Abstract
An implantation-competent blastocyst, several hours prior to its attachment on the uterine wall, transmits signals to surrounding uterine cells and vice-versa to initiate a two-way interaction. The language of this precocious dialogue is versatile, taking advantage of secreted molecules for long-range interactions and membrane-bound molecules for more immediate interactions. Heparin-binding epidermal growth factor-like growth factor (HB-EGF) was identified as an early messenger of implantation which uses both modes of communication. In this review, we discuss the footprint of HB-EGF as to how it was initially identified as a mediator of implantation and how it initiates embryo-uterine interactions during this process.
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Affiliation(s)
- Hyunjung Jade Lim
- Department of Biomedical Science & Technology, Research Center for Drugs, IBST, Konkuk University, 1 Hwayang-dong, Kwangjin-gu, Seoul 143-701 Korea.
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Abstract
A reciprocal interaction between the implantation-competent blastocyst and receptive uterus is an absolute requirement for implantation, a process crucial for pregnancy success. A comprehensive understanding of this interaction has yet to be realized. One major difficulty in clearly defining this discourse is the complexity of the implantation process involving heterogeneous cell types of both the uterus and blastocyst, each endowed with unique molecular signatures that show dynamic changes during the course of pregnancy. Whereas gene expression studies by in situ hybridization or immunohistochemistry have shown differential expression patterns of specific genes during implantation, there is no report how numerous signaling proteins are spatially displayed at specific times and stages of implantation in the context of blastocyst-uterine juxtaposition. Using in situ imaging (matrix assisted laser desorption/ionization) mass spectrometry directly on uterine sections, here we provide molecular composition, relative abundance, and spatial distribution of a large number of proteins during the periimplantation period. This approach has allowed us for the first time to generate in situ proteome profiles of implantation and interimplantation sites in mice in a region- and stage-specific manner with the progression of implantation. This application is reliable because patterns of expression of several proteins displayed by in situ imaging mass spectrometry correlate well with in situ hybridization results. More interestingly, the use of this approach has provided new insights regarding uterine biology of cytosolic phospholipase A(2alpha) null females that show implantation defects.
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Affiliation(s)
- Kristin E Burnum
- Department of Chemistry and Biochemistry, Mass Spectrometry Research Center, Vanderbilt University Medical Center, MCN D4100, 1161 21st Avenue South, Nashville, TN 37232, USA
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Mishra N, Singh V, Dey SK, Murty KB, muralidharan KC, Raveendar C, Bhuvneshwari S, Rao PK. Homoeopathic medicines in the management of HIV infection: An observational study. Indian Journal of Research in Homoeopathy 2008. [DOI: 10.53945/2320-7094.1846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023] Open
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Pathak R, Sarma A, Sengupta B, Dey SK, Khuda-Bukhsh AR. Response to high LET radiation 12C (LET, 295 keV/microm) in M5 cells, a radio resistant cell strain derived from Chinese hamster V79 cells. Int J Radiat Biol 2007; 83:53-63. [PMID: 17357440 DOI: 10.1080/09553000601085964] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [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: 10/23/2022]
Abstract
PURPOSE To study the effects of 12C-beam of 295 keV/microm (57.24 MeV) on M5 and Chinese hamster V79 cells by using cytogenetic assays like micronuclei (MN) induction, chromosomal aberrations (CA) and apoptosis. Additionally, the relative survival of these two cell lines was tested by the colony forming ability of the cells, with a view to understanding the mechanism of cellular damages that lead to difference in cell survival. MATERIALS AND METHODS Confluent cells were irradiated with 12C-beam at various doses using 15UD Pelletron accelerator. Cell survival was studied by the colony forming ability of cells. MN assay was done by fluorescent staining. Different types of chromosomal aberrations in metaphase cells were scored at 12 h after irradiation. Apoptosis was measured at different post irradiation times as detected by nuclear fragmentation and DNA ladder was prepared after 48 h of incubation. RESULTS Dose-dependent decrease in surviving fractions was found in both the cell lines. However, the surviving fractions were higher in M5 cells in comparison to V79 cells when exposed to the same radiation doses. On the other hand, induced MN frequencies, CA frequencies and apoptosis percentages were less in M5 cells than V79 cells. Very good correlations between surviving fractions and induced MN frequencies or induced total CA or induced apoptosis percentages were obtained in this study. CONCLUSIONS The cell strain M5 showed relatively more radio-resistance to 12C-beam compared to Chinese hamster V79 cells in this study. As the MN formation, CA and apoptosis induction were less in M5 cells as compared to parental V79 cells, the higher cell survival in the former could possibly be attributed to their better repairing ability leading to higher cell survival.
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Affiliation(s)
- R Pathak
- Department of Biotechnology, West Bengal University of Technology, Salt Lake, Kolkata
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Sutradhar SR, Siddiqui NI, Rahman S, Bari MA, Sarker CB, Dey SK, Kader SA, Talukder SI. Combined occurrence of hyperthyroid Graves' and Hashimoto's thyroiditis. Mymensingh Med J 2006; 15:102-4. [PMID: 16467774 DOI: 10.3329/mmj.v15i1.4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [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: 05/06/2023]
Abstract
A 40 years old, married Govt. servant from Sadar upazila, Mymensingh was admitted in Mymensingh Medical College Hospital on 9(th) February, 2005 with the complaints of excessive sweating for 1 year, gradual loss of weight for 6 months, swelling in front of the neck for 1(1/2) months, and hoarseness of voice for 1 month. He was nervous, irritable, emotionally labile. Thyroid gland was symmetrically enlarged, firm in consistency with scalloped surface. Palms were warm and sweaty with fine tremor in outstretched hands. Lid lag, lid retraction and proptosis were the occular manifestations. All the reflexes were exaggerated. Radioactive iodine uptake showed enlarged gland with homogenously increased radiotracer concentration, ultrasonogram findings were enlarged gland with hypoechoic parenchyma with fibrous septa, T(3), T(4), TSH values were 6.56 nmol/L, 241.09 nmol/L and 0.14 mIU/L respectively. Thyroid microsomal antibody level was 32.87%. Thyroid FNAC findings were sheets of regular follicular cells, some large cells with granular basophilic cytoplasm, macrophages, a few inflammatory cells and giant cells. All the above findings were in favour of a diagnosis of hyperthyroid Graves' with Hashimoto's thyroiditis.
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Chatterjee S, Ghosh AP, Barbhuiya J, Dey SK. Adverse cutaneous drug reactions: A one year survey at a dermatology outpatient clinic of a tertiary care hospital. Indian J Pharmacol 2006. [DOI: 10.4103/0253-7613.28212] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Abstract
Implantation is the process by which the blastocyst comes into intimate physical and physiological contact with the uterine endometrium. This process is governed by an intimate cross-talk between the activated blastocyst and the receptive uterus. An increased understanding of mammalian implantation has been gained through the use of the mouse model. This review highlights the more recently defined signaling cascades involved in this dialogue, focusing specifically on cyclooxygenase-2-derived prostaglandins, endocannabinoids, Wnt proteins, homeotic transcription factors, and immunophilins. Unraveling the nature of these signals and discovering additional molecular cascades may lead to strategies to correct implantation failure and improve pregnancy rates in women.
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Affiliation(s)
- S Tranguch
- Department of Pediatrics, Vanderbilt University Medical Center, MCN-D4100, Nashville, Tennessee, 37232, USA
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50
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Abstract
Successful implantation is the result of reciprocal interactions between the implantation-competent blastocyst and receptive uterus. Although various cellular aspects and molecular pathways of this dialogue have been identified, a comprehensive understanding of the implantation process is still missing. The receptive state of the uterus, which lasts for a limited period, is defined as the time when the uterine environment is conducive to blastocyst acceptance and implantation. A better understanding of the molecular signals that regulate uterine receptivity and implantation competency of the blastocyst is of clinical relevance because unraveling the nature of these signals may lead to strategies to correct implantation failure and improve pregnancy rates. Gene expression studies and genetically engineered mouse models have provided valuable clues to the implantation process with respect to specific growth factors, cytokines, lipid mediators, adhesion molecules, and transcription factors. However, a staggering amount of information from microarray experiments is also being generated at a rapid pace. If properly annotated and explored, this information will expand our knowledge regarding yet-to-be-identified unique, complementary, and/or redundant molecular pathways in implantation. It is hoped that the forthcoming information will generate new ideas and concepts for a process that is essential for maintaining procreation and solving major reproductive health issues in women.
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Affiliation(s)
- S K Dey
- Department of Pediatrics, Vanderbilt University Medical Center, MCN D4100, Nashville, Tennessee 37232, USA.
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