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Maternal obesity and pregnancy outcome

Begum KS, Sachchithanantham K, De Somsubhra S

Clin Exp Obstet Gynecol, 2011;38(1):14-20.
PMID: 21485717

The increasing prevalence of maternal obesity worldwide provides a major challenge to obstetric practice from preconception to postpartum. Maternal obesity can result in unfavorable outcomes for the woman and fetus. Maternal risks during pregnancy include gestational diabetes and chronic hypertension leading to preeclampsia. The fetus is at risk for stillbirth and congenital anomalies. Intrapartum care, normal and operative deliveries, anesthetic and operative interventions in the obese demand extra care. Obesity in pregnancy can also affect health later in life for both mother and child. For women, these risks include heart disease and hypertension. Children have a risk of future obesity and heart disease. Women and their offspring are at increased risk for diabetes. Obstetrician-gynecologists should be well informed to prevent and treat this epidemic. Interventions directed at weight loss and prevention of excessive weight gain during pregnancy must begin in the preconception period.
Fulltext Acceptability of Just-in-Time Teaching amongst medical students: a pilot study

De S, Nagandla K, Kanagasabai S

Education in Medicine Journal, 2014;6(1):11-19.
MyJurnal

Introduction: Just-in-Time Teaching (JiTT) is a novel method of teaching-learning used in various disciplines of science and humanities. It is a technique that scaffolds the students learning process by reducing the cognitive load which is the load related to the executive control of working memory. Just in time teaching underpins the concept that expertise in learning originates from the knowledge already stored in long term memory and with subsequent interaction between the learner and teacher motivates enhanced active learning and optimizes the intellectual performance.
Objective: The objective of the study is to assess the acceptability of JiTT over traditional lecture teaching among the medical students.
Method: In a cross sectional pilot study, three hundred thirty five students participated in a questionnaire based study that grades the various aspects of the traditional lecture series. After the implementation of JiTT method for a period of four months, three hundred two students completed the questionnaire, grading the same variables for JiTT. The analysis was done by using SPSS version 11 applying Paired t test and McNemar's Test.
Result: The results of our study highlighted that JiTT technique was perceived superior to traditional teaching with statistically significant outcomes in the clarity of the topic (p=0.003,) duration of the session (p=0.002), knowledge gained and orientation for exams (p=0.044). The students perceived JiTT method as less monotonous (p=0.005) increasing their alertness during these sessions (p=0.002).
Conclusion: We therefore propose that Just-in-Time Teaching method is a more interactive and acceptable teaching-learning tool shifting the nature of teaching to a more student-centric approach as perceived by the medical students. This is the first pioneer study on JiTT to be performed on undergraduate medical students so far.
Fulltext Oral Hypoglycemic Agents in pregnancy: An Update

Kavitha N, De S, Kanagasabai S

J Obstet Gynaecol India, 2013 Apr;63(2):82-7.
PMID: 24431611 DOI: 10.1007/s13224-012-0312-z

INTRODUCTION: Traditionally, insulin has been the gold standard in the management of Type 2 diabetes in pregnancy and gestational diabetes. However, insulin therapy can be inconvenient because of the needs for multiple injections, its associated cost, pain at the injection site, need for refrigeration, and skillful handling of the syringes. This has led to the exploration of oral hypoglycemic agents as an alternative to insulin therapy.
OBJECTIVES: This review examines and evaluates the evidences on the efficacy, safety, and current recommendations of oral hypoglycemic agents.
CONCLUSION: The evidence of this study supports the use of glyburide and metformin in the management of Type 2 diabetes and gestational diabetes with no increased risk of neonatal hypoglycemia or congenital anomalies. The safety of these oral hypoglycemic agents are limited to the prenatal period and more randomized controlled trials are required to provide information on the long-term follow up on neonatal and cognitive development.
Desmopressin acetate (DDAVP) for preventing and treating acute bleeds during pregnancy in women with congenital bleeding disorders

Karanth L, Barua A, Kanagasabai S, Nair S

Cochrane Database Syst Rev, 2015 Sep 09.
PMID: 26350784 DOI: 10.1002/14651858.CD009824.pub3

BACKGROUND: Congenital bleeding disorders can cause obstetric haemorrhage during pregnancy, labour and following delivery. Desmopressin acetate is found to be an effective drug which can reduce the risk of haemorrhage and can also stop bleeding in certain congenital bleeding disorders. Its use in pregnancy has been controversial. Hence beneficial and adverse effects of desmopressin acetate in these groups of pregnant women should be evaluated.This is an update of a Cochrane review first published in 2013.
OBJECTIVES: To determine the efficacy of desmopressin acetate in preventing and treating acute bleeds during pregnancy in women with congenital bleeding disorders.
SEARCH METHODS: We searched the Cochrane Cystic Fibrosis and Genetic Disorders Group's Coaguopathies Trials Register comprising references identified from comprehensive electronic database searches and handsearches of relevant and abstract books of conferences proceedings. We also searched for any randomised controlled trials in a registry of ongoing trials and the reference lists of relevant articles and reviews.Date of most recent search: 18 June 2015.
SELECTION CRITERIA: Randomised and quasi-randomised controlled trials investigating the efficacy of desmopressin acetate versus tranexamic acid or factor VIII or rFactor VII or fresh frozen plasma in preventing and treating congenital bleeding disorders during pregnancy were eligible.
DATA COLLECTION AND ANALYSIS: No trials matching the selection criteria were eligible for inclusion.
MAIN RESULTS: No trials matching the selection criteria were eligible for inclusion.
AUTHORS' CONCLUSIONS: The review did not identify any randomised controlled trials investigating the relative effectiveness of desmopressin acetate for bleeding during pregnancy in women with congenital bleeding disorders. In the absence of high quality evidence, clinicians need to use their clinical judgement and lower level evidence (e.g. from observational trials) to decide whether or not to treat women with congenital bleeding disorders with desmopressin acetate.Given the ethical considerations, future randomised controlled trials are unlikely. However, other high quality controlled studies (such as risk allocation designs, sequential design, parallel cohort design) to investigate the risks and benefits of using desmopressin acetate in this population are needed.
Fulltext Maternal and foetal outcomes following natural vaginal versus caesarean section (c-section) delivery in women with bleeding disorders and carriers

Karanth L, Kanagasabai S, Abas AB

Cochrane Database Syst Rev, 2017 08 04;8:CD011059.
PMID: 28776324 DOI: 10.1002/14651858.CD011059.pub3

BACKGROUND: Bleeding disorders are uncommon but may pose significant bleeding complications during pregnancy, labour and following delivery for both the woman and the foetus. While many bleeding disorders in women tend to improve in pregnancy, thus decreasing the haemorrhagic risk to the mother at the time of delivery, some do not correct or return quite quickly to their pre-pregnancy levels in the postpartum period. Therefore, specific measures to prevent maternal bleeding and foetal complications during childbirth, are required. The safest method of delivery to reduce morbidity and mortality in these women is controversial. This is an update of a previously published review.
OBJECTIVES: To assess the optimal mode of delivery in women with, or carriers of, bleeding disorders.
SEARCH METHODS: We searched the Cochrane Cystic Fibrosis and Genetic Disorders Coagulopathies Trials Register, compiled from electronic database searches and handsearching of journals and conference abstract books. We also searched the Cochrane Pregnancy and Childbirth Group's Trials Register as well as trials registries and the reference lists of relevant articles and reviews.Date of last search of the Group's Trials Registers: 16 February 2017.
SELECTION CRITERIA: Randomised controlled trials and all types of controlled clinical trials investigating the optimal mode of delivery in women with, or carriers of, any type of bleeding disorder during pregnancy were eligible for the review.
DATA COLLECTION AND ANALYSIS: No trials matching the selection criteria were eligible for inclusion MAIN RESULTS: No results from randomised controlled trials were found.
AUTHORS' CONCLUSIONS: The review did not identify any randomised controlled trials investigating the safest mode of delivery and associated maternal and foetal complications during delivery in women with, or carriers of, a bleeding disorder. In the absence of high quality evidence, clinicians need to use their clinical judgement and lower level evidence (e.g. from observational trials, case studies) to decide upon the optimal mode of delivery to ensure the safety of both mother and foetus.Given the ethical considerations, the rarity of the disorders and the low incidence of both maternal and foetal complications, future randomised controlled trials to find the optimal mode of delivery in this population are unlikely to be carried out. Other high quality controlled studies (such as risk allocation designs, sequential design, and parallel cohort design) are needed to investigate the risks and benefits of natural vaginal and caesarean section in this population or extrapolation from other clinical conditions that incur a haemorrhagic risk to the baby, such as platelet alloimmunisation.
Anti-D administration after spontaneous miscarriage for preventing Rhesus alloimmunisation

Karanth L, Jaafar SH, Kanagasabai S, Nair NS, Barua A

Cochrane Database Syst Rev, 2013.
PMID: 23543581 DOI: 10.1002/14651858.CD009617.pub2

During pregnancy, a Rhesus-negative (Rh-negative) woman may develop antibodies if her fetus is Rh-positive, which can cause fetal morbidity or mortality in following pregnancies, if untreated.
Fulltext Desmopressin acetate (DDAVP) for preventing and treating acute bleeds during pregnancy in women with congenital bleeding disorders

Karanth L, Barua A, Kanagasabai S, Nair NS

Cochrane Database Syst Rev, 2019 02 13;2:CD009824.
PMID: 30758840 DOI: 10.1002/14651858.CD009824.pub4

BACKGROUND: Congenital bleeding disorders can cause obstetric haemorrhage during pregnancy, labour and following delivery. Desmopressin acetate (DDAVP) is found to be an effective drug which can reduce the risk of haemorrhage and can also stop bleeding in certain congenital bleeding disorders. Its use in pregnancy has been controversial. Hence beneficial and adverse effects of DDAVP in these groups of pregnant women should be evaluated.This is an update of a Cochrane Review first published in 2013 and updated in 2015.
OBJECTIVES: To evaluate the efficacy and safety of DDAVP in preventing and treating acute bleeding in pregnant women with bleeding disorders.
SEARCH METHODS: We searched the Cochrane Cystic Fibrosis and Genetic Disorders Group's Coaguopathies Trials Register comprising references identified from comprehensive electronic database searches and handsearches of relevant and abstract books of conferences proceedings. We also searched several clinical trial registries and grey literature (27 August 2017).Date of most recent search of the Cochrane Cystic Fibrosis and Genetic Disorders Group's Coaguopathies Trials Register: 01 October 2018.
SELECTION CRITERIA: Randomised and quasi-randomised controlled trials investigating the efficacy of DDAVP versus tranexamic acid or factor VIII or rFactor VII or fresh frozen plasma in preventing and treating congenital bleeding disorders during pregnancy were eligible.
DATA COLLECTION AND ANALYSIS: No trials matching the selection criteria were eligible for inclusion.
MAIN RESULTS: No trials matching the selection criteria were eligible for inclusion.
AUTHORS' CONCLUSIONS: No randomised controlled trials were identified investigating the relative effectiveness of DDAVP for bleeding during pregnancy in women with congenital bleeding disorders. In the absence of high-quality evidence, clinicians need to use their clinical judgement and lower level evidence (e.g. from observational trials) to decide whether or not to treat women with congenital bleeding disorders with DDAVP.Given the ethical considerations, future randomised controlled trials are unlikely. However, other high-quality controlled studies (such as risk allocation designs, sequential design, parallel cohort design) to investigate the risks and benefits of using DDAVP in this population are needed.Given that there are unlikely to be any trials published in this area, this review will no longer be regularly updated.
Fulltext Perioperative mortality review in relation to pregnancy-related deaths

Achanna KS, Zaleha AM, Sachchithanantham, Farouk AM

Med J Malaysia, 2006 Aug;61(3):312-9.
PMID: 17240582 MyJurnal

Pregnancy-related deaths in four published perioperative mortality review reports were analysed. The aim is to look at the quality of surgical and anaesthetic services along with the perioperative care provided. The audit identified shortfalls in the logistic and support services and recommended remedial strategies. The review was conducted by a committee consisting of practising anaesthetists, surgeons and obstetricians who analysed the questionnaires collectively. A consensus was reached to categorise the death. There were 280 pregnancy-related deaths. Post-partum haemorrhage accounted for 31.8%, followed by hypertensive disorders of pregnancy (20.0% obstetric embolism (16.1%), sepsis (10.7%) and associated medical conditions (21.4%). In brief, there were comings in preoperative, intra-operative and post-operative care in some of the cases. Increased consultant input, clinical audit, improvements in monitoring and expansion of critical care facilities were the integral issues recommended.