Publications by authors named "R K Hans"
Serial intrapartum ultrasound to predict vaginal delivery using angle of progression and head- progression distance in term nulliparous women.
Eur J Obstet Gynecol Reprod Biol
February 2025
Article Synopsis
- Over the past decade, intrapartum ultrasound (ITU) has gained attention for monitoring labor, but its application in low- and middle-income countries remains limited; the angle of progression (AOP) is the most researched parameter, with few studies suggesting the importance of other ITU measurements.
- This study aimed to evaluate the predictive accuracy of AOP and head perineal diameter (PD) for vaginal delivery, as well as the impact of changes in these measurements during the first stage of labor.
- Results showed that AOP ≥ 120° and PD ≥ 2.7 cm significantly correlated with vaginal delivery, with AOP changes (>10°) having the highest accuracy (81%), indicating that ITU provides valuable insights
Background: Several adult studies show mixed reports in clinical outcomes between cryopreserved and fresh stem cell products, with majority reporting no significant differences and others report that there are differences in outcomes. There is limited literature reporting its impact on outcomes in pediatric hematopoietic cell transplantation (HSCT).
Objective: To compare clinical outcomes between fresh vs cryopreserved stem cell treatment in pediatric HSCT.
Article Synopsis
- There is increasing research on using machine learning for diagnosing diseases, especially in light of serious illnesses like COVID-19.
- The proposal details a model that enhances disease prediction by incorporating hyperparameter optimization with genetic algorithms and feature selection using a binary grey wolf optimization method.
- The model demonstrated superior prediction accuracy, particularly the adaboost algorithm, while employing metrics such as accuracy, precision, and F1-score to evaluate its effectiveness.
Article Synopsis
- Therapeutic plasma exchange (TPE) can lead to low calcium levels due to the use of Anticoagulant Citrate Dextrose Solution A, and adding different concentrations of calcium gluconate to human serum albumin may help prevent this issue.* -
- A study comparing two groups of TPE procedures found that while intraprocedural calcium levels were similar, post-procedural ionized calcium was significantly lower in the group with less calcium, leading to more cases of symptomatic hypocalcemia and vasovagal reactions.* -
- The results suggest that using a higher concentration of calcium gluconate (18.6 mg of elemental calcium/100 ml) is safer and more effective in maintaining calcium levels during
Nanocarrier-based immobilization has created new avenues for enhancing the biophysical properties of enzymes. Nanomatrices such as magnetite nanoparticles (MNPs), chitin, and chitosan with large surface areas and tunable morphology have been developed to circumvent the bottlenecks of free enzymes. The present study used MNPs to immobilize the enzyme arginine deiminase (ADI) for improved morphological control, recovery, operational stability, and easy recyclability.
View Article and Find Full Text PDF