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https://www.readbyqxmd.com/read/28453379/pseudoamniotic-band-syndrome-post-fetal-thoracoamniotic-shunting-for-bilateral-hydrothorax
#1
Michelle Han, Yalda Afshar, Andrew H Chon, Emily Scibetta, Rashmi Rao, Ramen H Chmait
INTRODUCTION: Pseudoamniotic band syndrome (PABS) occurs iatrogenically after fetal surgery or amniocentesis due to chorioamniotic membrane separation. Separation of the amnion from the chorion can expand to form fibrous amniotic bands that can envelope fetal limbs or the umbilical cord, with consequences ranging from limb constriction to fetal demise. CASE REPORT: We report a case of bilateral fetal pleural effusions at 27 weeks' gestation treated by bilateral thoracoamniotic shunts...
April 28, 2017: Fetal and Pediatric Pathology
https://www.readbyqxmd.com/read/28439156/diclofenac-transdermal-patch-a-potential-ingress-to-maxillofacial-surgery
#2
Anisha Perepa, Brig Ramen Sinha, Uday Kiran Uppada, Avss Subramanya Kumar
PURPOSE: To evaluate the analgesic efficacy of a diclofenac transdermal patch with diclofenac intra muscular injection in the immediate postoperative period in patients undergoing major oral surgical procedures. MATERIALS AND METHODS: Subjects who underwent bijaw surgeries for surgical correction of various dentofacial deformities were included. Sixty such patients who belonged to the above entity were randomly categorized into two groups from Jan 2012-Aug 2015...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28370096/recipient-twin-circular-shunt-physiology-before-fetal-laser-surgery-survival-and-risks-for-postnatal-right-ventricular-outflow-tract-obstruction
#3
Jay D Pruetz, Jodie K Votava-Smith, Hikmat R Chmait, Lisa M Korst, Arlyn Llanes, Ramen H Chmait
OBJECTIVES: To evaluate risk for congenital heart disease (CHD) in recipient twins with circular shunt physiology (CSP). METHODS: This prospective study enrolled twin-twin transfusion syndrome (TTTS) cases from 2006 to 2015. Fetal echocardiography (FE) was performed before laser surgery when cardiac involvement was suspected. Diagnosis of recipient twin CSP required tricuspid and pulmonary regurgitation, right ventricular dysfunction, and flow reversal in the ductus arteriosus...
April 3, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28342555/use-of-thudichum-nasal-speculum-for-retraction-during-insertion-of-dental-implants
#4
Ashwant Kumar Vadepally, Ramen Sinha
No abstract text is available yet for this article.
March 22, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28330527/validation-of-multiresidue-method-for-analysis-of-31-pesticides-in-rice-using-gas-chromatography-tandem-mass-spectrometry
#5
Rahul Mondal, Ramen Kumar Kole, Anjan Bhattacharyya
Five modified QuEChERS were tested for the multiresidue analysis of 31 pesticides in rice. Rice was spiked with mixturesolution of pesticides at 10 ng/g. Method selection was based on the LODs (sensitivity) and recovery tests (accuracy) of the pesticides. Analysis was done in GC-tandem MS in multiple reaction monitoring mode with a total run time of approximately 37 min. The selected method was validated after spiking rice at 20 and 100 ng/g in rice. The performance characteristics of the method impacted for all selected pesticides were acceptable according to the guidelines for method validation (recovery of 70-120% with an RSD of <20% and r<sup>2</sup> value of ≥0...
February 22, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28320252/the-impact-of-laser-surgery-on-angiogenic-and-anti-angiogenic-factors-in-twin-twin-transfusion-syndrome-a-prospective-study
#6
Andrew H Chon, Emiliano R Chavira, Melissa L Wilson, Sue A Ingles, Arlyn Llanes, Ramen H Chmait
OBJECTIVE: To examine the effect of laser surgery on angiogenic and anti-angiogenic factors in patients with twin-twin transfusion syndrome (TTTS). METHODS: Cases of TTTS and uncomplicated monochorionic diamniotic twin pregnancies between 16-26 weeks' gestation were prospectively enrolled into the study. Maternal blood samples were obtained to measure angiogenic factors (vascular endothelial growth factor-A (VEGF), placental-derived growth factor (PlGF), endothelin) and anti-angiogenic factors (soluble fms-like tyrosine kinase (sFlt-1), soluble endoglin (sEng), sFlt-1/PlGF ratio)...
March 20, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28281130/persistence-of-acetamiprid-in-paddy-and-soil-under-west-bengal-agro-climatic-conditions
#7
Soumen Saha, Rahul Mondal, Subhadeep Mukherjee, Mitali Sarkar, Ramen Kumar Kole
Acetamiprid insecticide has been widely used to control paddy insects. In order to find out the dissipation of acetamiprid residues in paddy (variety: Satabdi), field studies were conducted in Nadia, West Bengal. Acetamiprid (20% SP) was applied twice at 10 g (T1), 20 g (T2) and 40 g (T3) a.i. ha(-1) with three replications along with untreated control (T4). Residue analysis of acetamiprid in paddy (leaf, grain, husk and straw) and soil was conducted utilizing high-pressure liquid chromatograph (HPLC) with UV detector at LOQ of 0...
April 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28212097/design-and-testing-of-a-transcutaneous-rf-recharging-system-for-a-fetal-micropacemaker
#8
Adriana N Vest, Li Zhou, Xuechen Huang, Viktoria Norekyan, Yaniv Bar-Cohen, Ramen H Chmait, Gerald Eli Loeb
We have developed a rechargeable fetal micropacemaker in order to treat severe fetal bradycardia with comorbid hydrops fetalis. The necessarily small form factor of the device, small patient population, and fetal anatomy put unique constraints on the design of the recharging system. To overcome these constraints, a custom high power field generator was built and the recharging process was controlled by utilizing pacing rate as a measure of battery state, a feature of the relaxation oscillator used to generate stimuli...
April 2017: IEEE Transactions on Biomedical Circuits and Systems
https://www.readbyqxmd.com/read/28147346/foods-inducing-typical-gastroesophageal-reflux-disease-symptoms-in-korea
#9
Jung Wan Choe, Moon Kyung Joo, Hyo Jung Kim, Beom Jae Lee, Ji Hoon Kim, Jong Eun Yeon, Jong-Jae Park, Jae Seon Kim, Kwan Soo Byun, Young-Tae Bak
Background/Aims: Several specific foods are known to precipitate gastroesophageal reflux disease (GERD) symptoms and GERD patients are usually advised to avoid such foods. However, foods consumed daily are quite variable according to regions, cultures, etc. This study was done to elucidate the food items which induce typical GERD symptoms in Korean patients. Methods: One hundred and twenty-six Korean patients with weekly typical GERD symptoms were asked to mark all food items that induced typical GERD symptoms from a list containing 152 typical foods consumed daily in Korea...
January 31, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/28070867/analytical-modeling-for-computing-lead-stress-in-a-novel-epicardial-micropacemaker
#10
Li Zhou, Yaniv Bar-Cohen, Raymond A Peck, Giorgio V Chirikian, Brett Harwin, Ramen H Chmait, Jay D Pruetz, Michael J Silka, Gerald E Loeb
Implantation and maintenance of a permanent cardiac pacing system in children remains challenging due to small patient size, congenital heart defects and somatic growth. We are developing a novel epicardial micropacemaker for children that can be implanted on the epicardium within the pericardial space via a minimally-invasive technique. The key design configurations include a novel open-coiled lead in which living tissue replaces the usual polymeric support for the coiled conductor. To better understand and be able to predict the behavior of the implanted lead, we performed a radiographic image-based modeling study on a chronic animal test...
March 2017: Cardiovascular Engineering and Technology
https://www.readbyqxmd.com/read/27752215/temporomandibular-joint-disc-repositioning-using-an-orthopedic-suture-anchor-a-modified-disc-anchoring-technique
#11
K Rajkumar, P Mukhopadhyay, Ramen Sinha
PURPOSE: The study assessed the efficacy of orthopedic suture anchor as a modified suture anchor for disc repositioning in case of a closed lock of TMJ. PATIENT AND METHODS: Disc repositioning was undertaken via a mini preauricular approach. The disc was repositioned on the surface of the condyle and stabilized using an orthopedic suture anchor. Postoperatively functional outcomes were assessed in terms of reduction in pain, joint movement and absence of joint noise and clicking sounds...
September 2016: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/27744065/a-coumarin-based-schiff-base-probe-for-selective-fluorescence-detection-of-al-3-and-its-application-in-live-cell-imaging
#12
Bhaskar Sen, Sanjoy Kumar Sheet, Romita Thounaojam, Ramen Jamatia, Amarta Kumar Pal, Kripamoy Aguan, Snehadrinarayan Khatua
A new coumarin based Schiff base compound, CSB-1 has been synthesized to detect metal ion based on the chelation enhanced fluorescence (CHEF). The cation binding properties of CSB-1 was thoroughly examined in UV-vis and fluorescence spectroscopy. In fluorescence spectroscopy the compound showed high selectivity toward Al(3+) ion and the Al(3+) can be quantified in mixed aqueous buffer solution (MeOH: 0.01M HEPES Buffer; 9:1; v/v) at pH7.4 as well as in BSA media. The fluorescence intensity of CSB-1 was enhanced by ~24 fold after addition of only five equivalents of Al(3+)...
February 15, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/27698963/perception-of-sugar-reduction-nutrition-education-and-frequency-of-snacking-in-children-by-the-self-perceived-sweet-dietary-habits-of-mothers-in-busan
#13
Jee-Young Yeon, Soon-Kyu Lee
BACKGROUND/OBJECTIVES: The aim of this study was to investigate the perception of sugar reduction, nutrition education, and frequency of snacking in children according to the self-perceived dietary preferences for sweet taste by mothers in Busan. SUBJECTS/METHODS: A total of 277 mothers were surveyed, and their perceptions of sugar reduction and the frequency of snacking in children were assessed using a questionnaire. The subjects were classified into either a sweet (n = 91) or an unsweet (n = 186) group according to their self-perceived preferences for a sweet taste...
October 2016: Nutrition Research and Practice
https://www.readbyqxmd.com/read/27686840/amniopatch-treatment-of-iatrogenic-preterm-premature-rupture-of-membranes-ipprom-after-fetoscopic-laser-surgery-for-twin-twin-transfusion-syndrome
#14
Ramen H Chmait, Eftichia V Kontopoulos, Andrew H Chon, Lisa M Korst, Arlyn Llanes, Rubén A Quintero
OBJECTIVES: Amniopatch is a proposed treatment of iatrogenic preterm premature rupture of membranes (iPPROM). We studied characteristics associated with successful amniopatch treatment of iPPROM after fetoscopic laser surgery for twin-twin transfusion syndrome. METHODS: Patients with iPPROM within 15 days of laser surgery treated with an amniopatch were studied. Factors associated with amniopatch success (i.e. cessation of leakage with normalization of amniotic fluid volume) were tested univariately and in multivariate logistic regression models...
August 10, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27603215/fetal-serum-%C3%AE-2-microglobulin-and-postnatal-renal-function-in-lower-urinary-tract-obstruction-treated-with-vesicoamniotic-shunt
#15
Andrew H Chon, Gustavo H de Oliveira, Kevin V Lemley, Lisa M Korst, Ryan D Assaf, Ramen H Chmait
INTRODUCTION: Although mortality has decreased for fetuses with lower urinary tract obstruction treated with vesicoamniotic shunt (VAS) placement, survivors remain at risk for long-term renal impairment. We tested the association of fetal serum β2-microglobulin (fsβ2M) with postnatal renal function in these patients, hypothesizing that fsβ2M may predict such renal impairment. MATERIALS AND METHODS: fsβ2M was obtained in patients undergoing VAS placement. The primary outcome was renal function at 3-12 months of life, as assessed by a pediatric nephrologist using medical records...
September 8, 2016: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/27577884/umbilical-cord-occlusion-via-laser-coagulation-in-monochorionic-multifetal-gestations-before-and-after-20-weeks-of-gestation
#16
Jennifer R King, Charlotte L Conturie, Joseph G Ouzounian, Lisa M Korst, Arlyn Llanes, Ramen H Chmait
INTRODUCTION: Umbilical cord occlusion (UCO) utilizing laser photocoagulation is often not considered an option for selective termination after 20 weeks of gestation due to reported limitations of the procedure because of umbilical cord size. We compared outcomes after laser umbilical cord occlusion (L-UCO) before and after 20 weeks of gestation. MATERIALS AND METHODS: We examined all patients with monochorionic- diamniotic twins and higher-order multiples (monoamniotic excluded) that underwent L-UCO at our facility between 2006 and 2014...
August 31, 2016: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/27298544/quest-for-an-ideal-route-of-intubation-for-oral-and-maxillofacial-surgical-manoeuvres
#17
Ashwant Kumar Vadepally, Brig Ramen Sinha, A V S S Subramanya, Anmol Agarwal
PURPOSE: The optimal route of intubation that may be planned for different oral and maxillofacial surgical manoeuvres. MATERIALS AND METHODS: A study was performed on patients who underwent nasal, oral or submental route of intubation for elective oral and maxillofacial surgery under general anaesthesia. The study variables were the anaesthetic and surgeon factors that should be taken into consideration before intubation and during surgery, and also algorithms for uneventful surgical procedures...
June 2016: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/27273812/fetoscopic-repair-of-spina-bifida-safer-and-better
#18
EDITORIAL
D A L Pedreira, E A Reece, R H Chmait, E V Kontopoulos, R A Quintero
No abstract text is available yet for this article.
August 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27203606/laser-treatment-of-twin-to-twin-transfusion-syndrome
#19
Rubén A Quintero, Eftichia Kontopoulos, Ramen H Chmait
OBJECTIVE: Laser ablation of all placental vascular anastomoses is the optimal treatment for twin-twin transfusion syndrome (TTTS). However, two important controversies are apparent in the literature: (a) a gap between concept and performance, and (b) controversy regarding whether all the anastomoses can be identified endoscopically and whether blind lasering of healthy placenta is justified. The purpose of this article is: (a) to address the potential source of the gap between concept and performance by analyzing the fundamental steps needed to successfully accomplish the surgery, and (b) to discuss the resulting competency benchmarks reported with the different surgical techniques...
June 2016: Twin Research and Human Genetics: the Official Journal of the International Society for Twin Studies
https://www.readbyqxmd.com/read/27203605/twin-to-twin-transfusion-syndrome-definition-staging-and-ultrasound-assessment
#20
Eftichia Kontopoulos, Ramen H Chmait, Ruben A Quintero
OBJECTIVE: The purpose of this article is to review the definition of twin-to-twin transfusion syndrome (TTTS) and the sonographic diagnostic assessment of these cases prior to therapy. MATERIALS AND METHODS: The article addresses the terminology used to refer to the condition and describes the systematic ultrasound assessment of the condition, including the ultrasound diagnosis, the staging of the disease, cervical assessment and pre-operative mapping. RESULTS: From an etymologic and medical point of view, the term 'fetofetal transfusion' is more appropriate than 'TTTS'...
June 2016: Twin Research and Human Genetics: the Official Journal of the International Society for Twin Studies
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